[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Abrantes, Tiago Garrido"]
[Black "Boabaid, Jorge Alberto"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Bd6 6. Qc2 Nbd7 7. Nbd2 ({RR} 7.
Bf4 Bxf4 8. gxf4 b6 9. cxd5 cxd5 10. Nc3 O-O 11. O-O Bb7 12. Ne5 a6 {1/2-1/2 
(12) Palatnik,S (2500)-Psakhis,L (2565) Rishon Le Ziyyon 1997}) 7... e5 8. cxd5
({RR} 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. Nf3 Bc7 11. O-O dxc4 12. Qxc4 Be6 13. Qb4
Bb6 14. Ng5 Qe7 15. Qxe7+ Kxe7 16. Nxe6 Kxe6 17. b3 Nd5 18. Bh3+ Ke7 19. Ba3+
c5 20. Rfc1 Nb4 21. Bb2 f6 22. Bg2 Rad8 {Ramme,C (2140)-Lau,F (1927) Reinstorf
GER 2022 1-0 (52)}) 8... cxd5 $146 ({RR} 8... Nxd5 9. O-O exd4 10. Nxd4 N7f6
11. Nxc6 Qb6 12. Ne4 Bc7 13. Nxf6+ Nxf6 14. Be3 Qb5 15. Nxa7 Qa5 16. Rac1 Rxa7
17. Bxa7 Qxa7 18. Qxc7 Bd7 19. Qe5+ Kf8 20. Rfd1 Be8 21. Rd8 Qxa2 22. Bh3 {
1-0 (22) Kachiani Gersinska,K-Villegas,S Rio Gallegos 1986}) 9. dxe5 Nxe5 10.
Nxe5 Bxe5 11. Nf3 Bd6 12. O-O h6 13. b3 O-O 14. Bb2 Bg4 15. Qd3 Re8 16. e3 Rc8
17. Rac1 Rxc1 18. Rxc1 Qe7 19. Bxf6 Qxf6 20. Qxd5 Qb2 21. Rd1 Bc7 22. Qc4 Bxf3
23. Bxf3 Bb6 24. Rd7 Qf6 25. Rxf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Almeida Jr, Alvaro"]
[Black "Bocca, Edson Ricardo"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nc3 Nc6 3. f4 Nf6 4. Nf3 d6 5. Bb5 Bd7 6. d3 Nd4 7. Bxd7+ Qxd7 8.
Nxd4 exd4 9. Ne2 c5 10. O-O O-O-O 11. c3 dxc3 12. bxc3 $146 ({RR} 12. Nxc3 Ne8
13. Bd2 Nc7 14. Rc1 h5 15. Qf3 Qg4 16. Qxg4+ hxg4 17. f5 Be7 18. Bf4 Rhg8 19.
d4 b6 20. b4 Kb7 21. dxc5 dxc5 22. Bxc7 Kxc7 23. Nd5+ Kd7 24. Nxe7 Kxe7 25.
bxc5 bxc5 26. Rxc5 Rd7 {Fischer,A (1911)-Kloster,D (1634) Germany 2012 1-0 (60)
}) 12... Qc6 13. Bb2 Be7 14. c4 Rhg8 15. Nc3 a6 16. e5 Nd7 17. Nd5 Rde8 18. Qh5
dxe5 19. fxe5 Qg6 20. Qh3 Bd8 21. Rae1 Re6 22. Nf4 Qh6 23. Nxe6 Qxh3 24. gxh3
fxe6 25. Rf7 Kc7 26. Re4 Kc6 27. Rg4 h6 28. Rgxg7 Rxg7+ 29. Rxg7 Bg5 30. Rg6 b5
31. Rxe6+ Kb7 32. Rg6 b4 33. Rxg5 hxg5 34. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Andrade, Dalson Holanda"]
[Black "Moreira, Cleber Naief"]
[Result "1/2-1/2"]
[ECO "E82"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Qd2 c5 8. d5 a6
9. Bd3 e6 10. Nge2 exd5 11. exd5 Nbd7 12. O-O $146 ({RR} 12. Bg5 Ne5 13. O-O
Qc7 14. b3 Nxd3 15. Qxd3 Nd7 16. Qd2 b5 17. cxb5 axb5 18. Nxb5 Qb6 19. Nbc3 Ba6
20. Bh6 Bxh6 21. Qxh6 Rfe8 22. Qd2 c4+ 23. Nd4 cxb3 24. Rfb1 ({RR} 24. Rfd1 b2
25. Rab1 Rab8 26. Na4 Qb4 27. Qxb4 Rxb4 28. Nxb2 Reb8 29. Nc6 Rxb2) 24... Bd3
25. Qxd3 b2 26. Rxb2 Qxb2 {James,D-Passerotti,P Teeside 1974 0-1 (59)}) 12...
Ne5 13. Rae1 Nfd7 14. b3 Nxd3 15. Qxd3 Ne5 16. Qd2 Re8 17. Ne4 b5 18. cxb5 axb5
19. N2g3 b4 20. Bh6 Ba6 21. Bxg7 Kxg7 22. Qb2 Bxf1 23. Rxf1 f5 24. Nf2 Qf6 25.
Qd2 Re7 26. Nh3 Rea7 27. Nf4 Kg8 28. Ne6 Rxa2 29. Qh6 Nf7 30. Qh3 Ng5 31. Nxg5
Qxg5 32. f4 Qf6 33. Qh6 Qd4+ 34. Kh1 Qxd5 35. Rf3 Rxg2 36. Kxg2 Ra2+ 37. Ne2
Rxe2+ 38. Kg3 Qd4 39. Kh3 Qg1 40. Rf2 Qxf2 41. Qg7+ Kxg7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Aranha Filho, Alvaro"]
[Black "Franca Jr, Jairo"]
[Result "1-0"]
[ECO "E52"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5
exd5 9. Ne5 Nbd7 10. f4 Bxc3 11. bxc3 Ne4 12. Ba3 Re8 13. Rc1 f6 14. Bxe4 fxe5
15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. fxe5 Re7 18. Rf4 $146 ({RR} 18. Bxe7 Qxe7 19.
Rf4 Ba6 20. Rh4 Rf8 21. Qh7+ Kf7 22. Rg4 Ke8 23. Rxg7 Qa3 24. Qc2 Bd3 25. Qd2
b5 26. Re1 Bc4 27. h4 Rf5 28. g4 Rf3 29. Qc2 Nf8 30. Kg2 Rf7 31. Rxf7 Kxf7 32.
Kg3 Qe7 {Schoen,W (2450)-Waldow,F Germany 1988 1-0 (51)}) 18... Qe8 19. Qh3 c5
20. Rh4 Qg6 21. Rf1 Nf6 22. Rxf6 gxf6 23. Rg4 Kf7 24. e6+ Kg7 25. dxc5 Rae8 26.
c6 Bxc6 27. Rxg6+ Kxg6 28. Qg3+ Kf5 29. Qf4+ Kg6 30. Bxe7 Rxe7 31. Qd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Araujo, Everson"]
[Black "Ferreira, Thales"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O d6 7. d3 Nge7 8. Rb1
O-O 9. a3 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Nxd5 ({RR} 13. Bd2 Qd7
14. Ne4 b6 15. Ng5 Rad8 16. Nxe6 Qxe6 17. a4 Rfe8 18. Na3 f5 19. Nc4 e4 20. Re1
Nd4 21. e3 Nc6 22. dxe4 fxe4 23. Qe2 Ncb4 24. Bxb4 Nxb4 25. Red1 Nd3 26. b3 Rf8
27. Rf1 Bc3 {Mrva,M (2467)-Kryvoruchko,Y (2627) Beijing 2008 0-1 (56)}) 13...
Bxd5 14. Be3 Bxg2 $146 ({RR} 14... a4 15. Ne1 Bb3 16. Qc1 Rc8 17. Nf3 b6 18.
Nd2 Ba2 19. Ra1 Be6 20. Nc4 Nd4 21. Bxd4 exd4 22. Qc2 b5 23. Nd2 Qd7 24. Ne4
Bb3 25. Qd2 f5 26. Ng5 c4 27. dxc4 bxc4 28. Qa5 c3 29. bxc3 {Jeet,J (2246)
-Pino Perez,L (2142) chess.com INT 2023 0-1 (39)}) 15. Kxg2 Qd5+ 16. Kg1 a4 17.
b4 axb3 18. Na1 Nd4 19. Nxb3 Rxa3 20. Nd2 b5 21. Bxd4 cxd4 22. Rb2 Bh6 23. Nf3
Rb8 24. Qb1 Rc3 25. Rd1 Qc5 26. Rb4 Bf8 27. Rb2 Bh6 28. Rb4 Qd5 29. Rb2 Ra3 30.
Qc2 Rc3 31. Qb1 Rc7 32. Rb3 Rcb7 33. Qb2 f5 34. Rb1 Bf8 35. Qa2 Kg7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Arruda Filho, Ivo"]
[Black "Dobuchak, Thiago"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. O-O e6 6. c3 ({RR} 6. Bg5 Nge7 7.
Qc1 h6 8. Bd2 d5 9. Nc3 g5 10. a3 Ng6 11. b4 cxb4 12. axb4 Nxb4 13. Nb5 Nc6 14.
Qa3 Qe7 15. Qxe7+ Kxe7 16. Ra2 g4 17. Ne1 Bd7 18. c4 dxc4 19. dxc4 a6 20. Nc3
Rac8 {Kramnik,V (2769)-Giri,A (2768) London 2014 1/2-1/2 (41)}) ({RR} 6. a4
Nge7 7. c3 O-O 8. e4 b6 9. Be3 h6 10. Qc1 Kh7 11. Rd1 Bb7 12. Nbd2 d5 13. Nf1
d4 14. Bd2 dxc3 15. Bxc3 Nd4 16. Bxd4 Bxd4 17. Nxd4 Qxd4 18. Ne3 h5 19. h4 Rfd8
20. Nc4 Kg7 {Lewtak,D (2386)-Timofeev,A (2567) chess.com INT 2022 0-1}) 6...
Nge7 7. Nbd2 O-O 8. Re1 d5 $146 ({RR} 8... Qc7 9. Nf1 b6 10. Bd2 Ba6 11. Qa4
Bb7 12. Rec1 d5 13. Qd1 Rfd8 14. Rab1 Rac8 15. b4 Qd7 16. bxc5 bxc5 17. c4 Nb8
18. Bf4 Rc6 19. cxd5 exd5 20. Ne5 Bxe5 21. Bxe5 Na6 22. Qd2 f6 23. Ba1 {
Vourtsas,A-Diapetis,A Athens 1996 1-0 (52)}) 9. Qc2 e5 10. e4 d4 11. c4 h6 12.
a3 Be6 13. h4 Rb8 14. Nf1 Qd7 15. Bd2 Nc8 16. b4 b6 17. Qc1 Kh7 18. b5 Nd8 19.
a4 f6 20. N3h2 Nd6 21. Nf3 N8f7 22. Qa3 f5 23. exf5 gxf5 24. Qc1 e4 25. dxe4
fxe4 26. N3h2 Bxc4 27. Bxe4+ Nxe4 28. Qxc4 Ne5 29. Qe2 Nxf2 30. Bf4 Nh3+ 31.
Kg2 Rxf4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Avelar, Flavio Henrique"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "116"]
[EventDate "2021.??.??"]

1. d4 c5 2. c3 Nf6 3. Nf3 e6 4. Bf4 b6 5. e3 Bb7 6. Nbd2 Be7 7. Be2 O-O ({RR} 
7... Nh5 8. Bg3 Nxg3 9. hxg3 h6 10. Qc2 Nc6 11. dxc5 Bxc5 12. Ne4 Be7 13. Rd1
d5 14. Ned2 Rc8 15. a3 Qc7 16. Nb3 a6 17. Nbd4 Ne5 18. Nxe5 Qxe5 19. Qb3 Qc7
20. Qa4+ Qd7 21. Qb3 b5 22. Nf3 {Golovinov,N-Kulygin,E (2129) Gelendzhik RUS
2023 1/2-1/2 (66)}) 8. h3 d6 9. O-O a6 10. Qc2 $146 ({RR} 10. Bh2 cxd4 11. cxd4
Nbd7 12. Rc1 b5 13. Nb3 Ne4 14. Nfd2 Ndf6 15. f3 Nxd2 16. Qxd2 Rc8 17. e4 Qb6
18. Kh1 h6 19. Bg1 Nh5 20. Kh2 Bh4 21. Rxc8 Rxc8 22. Rc1 Bg3+ 23. Kh1 Qd8 24.
Rxc8 Bxc8 {Kovalenko,S (2214)-Riazantsev,A (2634) Sochi RUS 2021 1-0 (81)})
10... Qc7 11. Rac1 Nbd7 12. Bh2 Rfe8 13. Rfd1 Bf8 14. Bf1 Rac8 15. e4 cxd4 16.
Nxd4 Nc5 17. f3 e5 18. Nf5 g6 19. Ne3 Bh6 20. Ng4 Nxg4 21. hxg4 Ne6 22. Rb1 b5
23. Nb3 Red8 24. Nc1 a5 25. Kh1 Qc6 26. Bg1 Kg7 27. Nb3 Ra8 28. Qe2 a4 29. Nd2
Ba6 30. Qf2 Bf4 31. g3 Bg5 32. Qb6 Qd7 33. Qf2 Qe7 34. Bh2 Qf6 35. Be2 Rac8 36.
Nf1 Bb7 37. Ne3 Bxe4 38. Nd5 Bxd5 39. Rxd5 b4 40. c4 Nc7 41. Rdd1 d5 42. b3
axb3 43. axb3 dxc4 44. Bxc4 Ne6 45. Kg2 Nd4 46. f4 exf4 47. gxf4 Bh4 48. Bg3
Qc6+ 49. Kh3 Bxg3 50. Kxg3 Nb5 51. Qb2+ Nc3 52. Ra1 Qf6 53. Rxd8 Ne4+ 54. Kf3
Qxb2 55. Rxc8 Nd2+ 56. Kg3 Qxa1 57. Bd5 Qc3+ 58. Rxc3 bxc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Azevedo Jr, Joao"]
[Black "Oliveira, Renato Sena"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 e5 5. c3 Nf6 6. Nf3 Nc6 7. g3 ({RR} 7. b4
Bd6 8. Nbd2 O-O 9. Nc4 Be6 10. Qc2 h6 11. Be2 a5 12. b5 Bxc4 13. Bxc4 Ne7 14.
Nh4 Qd7 15. Qe2 Bc5 16. h3 Rad8 17. O-O g5 18. Qf3 Kg7 19. Qg3 Qd6 20. Bxg5
Nxe4 21. Bf6+ Kxf6 {Shaposhnikov,E (2576)-Sanikidze,T (2507) St Petersburg RUS
2018 0-1 (45)}) 7... Bg4 ({RR} 7... a5 8. Bg2 Bc5 9. O-O O-O 10. a4 b6 11. Nbd2
Ba6 12. Nc4 Qe7 13. Bh3 Ne8 14. Re1 Nd6 15. Nfd2 f5 16. exf5 Nxf5 17. Bxf5 Rxf5
18. Ne4 Raf8 19. Be3 Bxe3 20. fxe3 Qe6 21. b3 Qd5 22. Ned2 {Laliena Solares,L 
(2192)-Kita Ruiz,I (1987) Marbella ESP 2023 0-1}) 8. Bg2 Qd7 $146 ({RR} 8...
Bd6 9. O-O Qd7 10. Nbd2 O-O-O 11. Nc4 Qe6 12. h3 Bh5 13. g4 Bg6 14. Nh4 Ne8 15.
Nf5 h5 16. b4 hxg4 17. hxg4 Qf6 18. Qf3 Qe6 19. Nce3 Ne7 20. Rd1 f6 21. Qe2 Bf7
22. Qb5 g6 23. Ng3 {Gottkehaskamp,P (1975)-Luetkehermoelle,M (1938) Germany
2015 0-1 (35)}) 9. O-O h5 10. Rd1 Bd6 11. Bg5 Nh7 12. Be3 g5 13. Nbd2 h4 14.
Nc4 hxg3 15. fxg3 Qe6 16. Nxd6+ cxd6 17. b4 f5 18. exf5 Qxf5 19. Rxd6 e4 20.
Bc5 Bxf3 21. Bxf3 Qxf3 22. Qc4 Qg4 23. Re1 Ne7 24. Rxe4 Qf5 25. Rd5 Qf6 26.
Rxe7+ Qxe7 27. Bxe7 Kxe7 28. Qe4+ Kf7 29. Qf5+ Kg7 30. Rd7+ Kh6 31. Rd6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Barbosa Filho, Lucio"]
[Black "Toth, Peter"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 O-O 6. Bg5 d6 ({RR} 6... h6
7. Bh4 d6 8. Bd3 Na6 9. Nd2 Nc5 10. f3 Be6 11. O-O Qe7 12. Bf2 Nh5 13. Be3 Nf4
14. Bxf4 exf4 15. Qe2 Qg5 16. a4 Rfe8 17. b4 Nd7 18. Nc4 Nf6 19. Na5 b6 20. Nb3
a5 21. Bb5 {Sambuev,B (2489)-Zaitsev,A (2431) Tula 2006 0-1 (40)}) 7. Bc4 ({RR
} 7. Qd3 Be6 8. O-O-O Nbd7 9. h3 Nc5 10. Qe3 Ncxe4 11. Bxf6 Nxf6 12. Nxe5 Nd5
13. Qg3 dxe5 14. c4 c6 15. cxd5 Bxd5 16. c4 Rc8 17. cxd5 cxd5+ 18. Kb1 e4 19.
Qe3 b6 20. Ba6 Rc5 21. Rd2 Qf6 {May Sanchez,A (2044)-Avdiu,B (1986) Pula 
(Sardinia) ITA 2023 1-0 (50)}) 7... Nbd7 8. Qe2 Qe8 $146 ({RR} 8... Nc5 9. Nd2
Be6 10. O-O Re8 11. Rad1 Bxc4 12. Qxc4 Re6 13. f3 h6 14. Bh4 Ncd7 15. Qe2 Nf8
16. Nc4 Ng6 17. Bxf6 Qxf6 18. g3 Qe7 19. Ne3 Qg5 20. Kh1 Rd8 21. Nd5 c6 22. Ne3
Qe7 23. c4 {Romano,T-Ruzzier,D Caorle 1984 1/2-1/2 (55)}) 9. Rd1 h6 10. Bh4 g5
11. Bg3 Nc5 12. Nd2 Kg7 13. f3 Nh5 14. Nf1 Nf4 15. Bxf4 exf4 16. g3 f5 17. gxf4
fxe4 18. fxg5 exf3 19. gxh6+ Kxh6 20. Qxe8 Rxe8+ 21. Kf2 Ne4+ 22. Kxf3 Bg4+ 23.
Kxg4 Nf2+ 24. Kf3 Nxd1 25. Ng3 Rf8+ 26. Ke2 Nf2 27. Rf1 Rae8+ 28. Kd2 Ne4+ 29.
Nxe4 Rxf1 30. Bxf1 Rxe4 31. Bg2 Rh4 32. Bxb7 Rxh2+ 33. Kd3 Kg5 34. c4 Kf6 35.
Kc3 Ke5 36. b3 Rh3+ 37. Kb2 Kd4 38. Bc8 Rg3 39. Bf5 a5 40. a4 c6 41. Bd7 Kc5
42. Bf5 Rg2 43. Be4 Rf2 44. Bd3 Rf4 45. Bg6 d5 46. cxd5 cxd5 47. Bh7 Rf2 48.
Bg6 d4 49. Bd3 Kb4 50. Bh7 Rf7 51. Bg6 Rc7 52. Bd3 Rc3 53. Bg6 Kc5 54. Bh7 Kd6
55. Bg6 Ke5 56. Bh7 Kf4 57. Bg6 Ke3 58. Bh7 Kd2 59. Bg6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Barbosa, Marcio Jordao"]
[Black "Vargas, Roberto Carlos"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. Bb3 d6 10. h3 a6 ({RR} 10... Qh5 11. Qd2 Nxd4 12. Bxd4 Be6 13. f4 a6
14. Qe3 Nd7 15. Bxg7 Kxg7 16. f5 Bxb3 17. axb3 Qh6 18. Qd4+ Kg8 19. Nd5 Rae8
20. c3 Qg7 21. Qe3 Kh8 22. Rae1 Nf6 23. Re2 Rg8 24. b4 gxf5 25. Nxf6 {Najer,E 
(2677)-Vokac,M (2498) Pardubice 2006 1/2-1/2 (47)}) 11. Qe1 $146 ({RR} 11. f4
Qc7 12. f5 Na5 13. fxg6 hxg6 14. Kh1 Nxb3 15. axb3 Kh7 16. Qd2 Rh8 17. Bg5 Kg8
18. Bxf6 exf6 19. Ndb5 Qb8 20. Nxd6 Be6 21. Nd5 Qd8 22. Nf4 Qc7 23. Nxe6 fxe6
24. Nc4 Rd8 25. Qf4 e5 {Dragicevic,D (1858)-Bourmistrov,A (1543) Box Hill 2001
1-0 (31)}) ({RR} 11. f4 Rd8 12. Qf3 e6 13. Qf2 Nd7 14. Nxc6 bxc6 15. f5 exf5
16. exf5 d5 17. fxg6 fxg6 18. Rad1 Rf8 19. Qh4 Rxf1+ 20. Rxf1 Nc5 21. Nxd5 cxd5
22. Bxd5+ Be6 {1-0 (22) Kazuhiro Shikasho,E (1895)-Vargas,R (1683) Cuiaba - MT
- Brasil 2022}) 11... Bd7 12. Rd1 Qc7 13. f4 b5 14. Qh4 e6 15. f5 b4 16. fxe6
bxc3 17. exd7 Nxd7 18. Nxc6 Qxc6 19. Bd5 Qc7 20. Bxa8 Rxa8 21. Qe7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Bisesar, Maycon"]
[Black "Brito, Luismar"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 Nc6 6. Nf3 d5 7. a3 Bxc3+ 8. bxc3
O-O 9. Bd3 ({RR} 9. cxd5 exd5 10. dxc5 Qa5 11. Bd3 Bg4 12. a4 Bxf3 13. gxf3
Rfe8 14. O-O Ne5 15. Be2 Qxc5 16. Rb1 b6 17. Kh1 Rac8 18. Rg1 Ng6 19. Bb5 Re6
20. Qd1 Ne5 21. Bf1 Rec6 22. Ba6 R8c7 23. Rg5 Qe7 {Kortschnoj,V (2624)
-Jussupow,A (2598) Switzerland 2008 0-1 (37)}) 9... Re8 ({RR} 9... b6 10. cxd5
exd5 11. O-O c4 12. Be2 Re8 13. Nd2 Qc7 14. e4 Nxe4 15. Nxe4 dxe4 16. Bxc4 Na5
17. Bb5 Bd7 18. Bf4 Qxf4 19. Bxd7 Re7 20. Bb5 Qd6 21. Rfd1 g6 22. c4 a6 23. c5
bxc5 24. dxc5 {Kovacevic,S (2235)-Djoric,D (2201) Vrnjacka Banja SRB 2022 1/
2-1/2 (31)}) 10. Ne5 $146 ({RR} 10. O-O dxc4 11. Bxc4 cxd4 12. cxd4 h6 13. Bb2
a6 14. Rfd1 Na5 15. Ba2 Qe7 16. Ne5 Nc6 17. Bb1 Bd7 18. Ng4 Rac8 19. d5 Ne5 20.
Nxf6+ Qxf6 21. Qh7+ Kf8 22. d6 g5 23. f4 gxf4 24. Rd4 f3 {Chernyadev,
V-Musikhina,E Izhevsk 2010 1-0}) 10... Nxe5 11. dxe5 dxc4 12. Bxc4 Nd7 13. Qe4
Qc7 14. f4 Nf8 15. O-O Bd7 16. Rd1 Bc6 17. Qc2 Rad8 18. Bd2 b5 19. Bf1 c4 20.
Be1 Nd7 21. Bh4 Rc8 22. Ra2 Nc5 23. Rd4 Qb7 24. Rb2 Be4 25. Qd1 Na4 26. Qc1
Nxb2 27. Qxb2 a5 28. Be1 Red8 29. Qd2 Rxd4 30. exd4 Bf5 31. Be2 b4 32. axb4
axb4 33. Qb2 b3 34. Kf2 Ra8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Borges, Ivoney"]
[Black "Labussiere, Victor"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. Nbd2 Nge7 7. O-O O-O 8. Re1
d6 9. Nf1 ({RR} 9. a4 h6 10. c3 Be6 11. Rb1 Qd7 12. Nc4 Rfd8 13. b4 cxb4 14.
cxb4 Bg4 15. Ne3 Be6 16. Ba3 Nd4 17. Nxd4 exd4 18. Nd5 Nxd5 19. exd5 Bg4 20.
Qb3 Rac8 21. Bb2 Re8 22. Rbc1 Rxe1+ 23. Rxe1 Bf6 {Ilkhomi,J (2040)-Lianes
Garcia,M (2411) chess.com INT 2023 0-1 (61)}) 9... h6 10. h4 f5 11. N1h2 $146 (
{RR} 11. N3h2 Be6 12. f4 exf4 13. Bxf4 Qd7 14. c3 Kh7 15. Nf3 Rae8 16. Qc2 Ng8
17. Rad1 Nf6 18. exf5 Bxf5 19. Ne3 Rd8 20. Nxf5 Qxf5 21. Kh2 Nh5 22. Bh3 Qf7
23. Be6 Qf6 24. Bg5 Qxf3 {0-1 (24) Lemonidis,C-Solonar,S (2336) Frankfurt 2001}
) 11... Be6 12. c3 Qd7 13. Qe2 Rae8 14. b3 Bf7 15. Bb2 d5 16. exd5 Nxd5 17. Qc2
Re7 18. Rad1 Rd8 19. Nf1 Qe8 20. a3 Nb6 21. N3d2 Kh8 22. Ne3 Nd5 23. Nef1 Qd7
24. Nc4 b5 25. Nce3 Nb6 26. c4 Nd4 27. Bxd4 cxd4 28. Nd5 Nxd5 29. cxd5 Bxd5 30.
Rc1 Bxg2 31. Kxg2 Kg8 32. f3 Kf7 33. Re2 h5 34. Qc5 Qd5 35. Kf2 Bh6 36. b4 Rdd7
37. Qxd5+ Rxd5 38. Rc6 Re6 39. Rc7+ Re7 40. Rxe7+ Kxe7 41. f4 Kf6 42. Kf3 exf4
43. gxf4 Rd6 44. Rc2 Ra6 45. Ra2 Bf8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Bueno, Marcos Antonio"]
[Black "Zanette, Edgard"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 e5 6. e4 dxe4 7. dxe4 Ngf6 ({RR
} 7... Bc5 8. Nbd2 Qe7 9. Nb3 Bb6 10. Qe2 f6 11. a4 Nc5 12. Nxc5 Bxc5 13. c3 a5
14. h3 Bh5 15. Rd1 Qe6 16. Bd2 Qb3 17. g4 Bf7 18. Be3 Qb6 19. Bxc5 Qxc5 20. g5
Ne7 21. b4 Qxc3 22. Rac1 {Ernst,L (2168)-Begunov,K (2325) chess.com INT 2023
0-1 (49)}) 8. Re1 ({RR} 8. Qe2 Be7 9. b3 O-O 10. Bb2 Qc7 11. Nbd2 Rfe8 12. a4
Bf8 13. Nc4 Nc5 14. h3 Bxf3 15. Bxf3 b5 16. axb5 cxb5 17. Ne3 Rab8 18. Bg2 a5
19. Rfc1 Qb6 20. Bc3 a4 21. bxa4 Nxa4 22. Bd2 Rec8 {Bareev,E (2663)-Rublevsky,
S (2688) Novosibirsk 2012 1/2-1/2 (46)}) 8... Bc5 9. Nc3 $146 ({RR} 9. c3 O-O
10. b4 Be7 11. a4 a5 12. b5 Qb6 13. Na3 Rfd8 14. Qc2 Qc7 15. h3 Bh5 16. Nh4 Nc5
17. Nf5 Nd3 18. Nxe7+ Qxe7 19. Rf1 Nxc1 20. Rfxc1 Nd7 21. bxc6 bxc6 22. Nc4 Qc5
23. Ne3 Nb6 {Akhmedzhanov,K-Sitnikov,D (2225) Prokojevsk 1998 0-1 (44)}) 9...
h6 10. a3 Qc7 11. Be3 O-O 12. h3 Be6 13. Qd2 Rfd8 14. Rad1 Nb6 15. Qc1 Bf8 16.
b3 Nbd7 17. Nh4 Qa5 18. Nb1 Kh7 19. b4 Qc7 20. c4 Nb6 21. c5 Nc4 22. Nc3 b5 23.
f4 Rxd1 24. Rxd1 Rd8 25. fxe5 Rxd1+ 26. Nxd1 Qxe5 27. Kh2 Nxe3 28. Qxe3 g6 29.
Nf2 Bg7 30. Nf3 Qc7 31. Nd3 a5 32. Nf4 Bc8 33. Nd4 axb4 34. axb4 Nd7 35. Nf3
Ne5 36. Nxe5 Qxe5 37. Nd3 Qd4 38. Qf3 Be6 39. Bf1 g5 40. Be2 Kg8 41. Kg2 f5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Cadilhac, Igor"]
[Black "Teixeira, Jonas"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 e5 8.
Qd3 Be7 9. O-O ({RR} 9. Nd2 Nf6 10. Nc4 h6 11. Ne3 O-O 12. O-O Rc8 13. Rd1 b5
14. a3 a5 15. f3 Qb6 16. Kh1 Qc5 17. Bd2 b4 18. axb4 axb4 19. Na2 Rb8 20. Nc1
Qb6 21. Nb3 Bb5 22. Nc4 Qc7 23. Nba5 Ra8 {Iskandarov,M (2535)-Petrosyan,M 
(2625) lichess.org INT 2021 0-1 (39)}) 9... Qc7 ({RR} 9... h6 10. b3 Nf6 11. a4
O-O 12. Ba3 Qc7 13. Rad1 Rfd8 14. Rfe1 Rac8 15. h3 a6 16. Rd2 Rd7 17. Nh4 Bf8
18. Nf5 Rcd8 19. Nd5 Bxd5 20. exd5 g6 21. Ng3 Ne8 22. h4 Ng7 23. c4 f5 24. h5 {
Petr,J (2282)-Montano Vicente,G (1734) chess.com INT 2023 1-0 (40)}) 10. Rd1 h6
$146 ({RR} 10... Rd8 11. Qc4 Rd7 12. Qe2 Nf6 13. Bg5 h6 14. Bxf6 Bxf6 15. Nd5
Bxd5 16. Rxd5 O-O 17. c4 Be7 18. Rad1 Rdd8 19. b3 b6 20. R1d3 f5 21. exf5 Rxf5
22. Nd4 exd4 23. Rxf5 Qd7 24. Qf3 Re8 25. Qd5+ {Malinichev,K (1000)-Kummer,H 
(2051) Naumburg 2002 1-0 (35)}) 11. Nd2 Nf6 12. Nf1 O-O 13. a4 Rac8 14. Ne3
Rfd8 15. b3 a6 16. a5 Bf8 17. f3 Bd7 18. Bb2 Be6 19. Kh1 Qc5 20. Ncd5 Bxd5 21.
exd5 Re8 22. Ra4 Rc7 23. Ba3 Qc3 24. Qe2 e4 25. f4 Rcc8 26. Nc4 Rxc4 27. Rxc4
Qxa5 28. Ra4 Qc7 29. Bb2 Nd7 30. Rxe4 Rxe4 31. Qxe4 Nc5 32. Qe3 b5 33. Re1 b4
34. Qd4 a5 35. Re8 f6 36. Re2 Qd7 37. h3 Qb5 38. Qe3 Kf7 39. Bd4 Qd7 40. g4 g6
41. f5 g5 42. Qe6+ Nxe6 43. fxe6+ Qxe6 44. Rxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Campos, Otavio"]
[Black "Trevisan, Rodrigo"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Bb4 3. g3 Nf6 4. Bg2 c6 5. d3 d5 6. cxd5 cxd5 7. Bd2 O-O ({RR} 
7... Nc6 8. a3 Ba5 9. b4 Bb6 10. Nf3 Bg4 11. Rc1 h6 12. Na4 Bxf3 13. Bxf3 Nd4
14. Bg2 Qd7 15. O-O O-O 16. Kh1 Rfe8 17. e3 Nb5 18. Qb3 Rac8 19. Nxb6 axb6 20.
a4 Nc7 21. Bc3 Ra8 22. Ra1 {Nemegeer,A (1470)-Cwiek,R (1682) Mureck 2017 0-1 
(35)}) 8. a3 $146 ({RR} 8. Qb3 Bxc3 9. Bxc3 Nc6 10. Nf3 Re8 11. O-O b6 12. Qc2
Bf5 13. Qc1 Rc8 14. Qd1 Rc7 15. Rc1 Rd7 16. Qa4 Re6 17. Nh4 Bg4 18. f3 Bh5 19.
Bh3 Rdd6 20. Bxe6 Rxe6 21. Bd2 Nd4 22. Kf2 g5 {Hahn,L (1150)-Buehrle,P
Tuebingen 2007 0-1 (39)}) 8... Bc5 9. b4 Bd4 10. Nf3 Bg4 11. O-O Re8 12. Re1
Bb6 13. Rc1 Nc6 14. Na4 e4 15. Nxb6 Qxb6 16. dxe4 dxe4 17. Be3 Qa6 18. Ng5 Qxa3
19. b5 Rad8 20. Qc2 Nb4 21. Qc4 Nbd5 22. Bc5 Qb2 23. Bd4 Qd2 24. h4 Rc8 25.
Rcd1 Qxe1+ 26. Rxe1 Rxc4 27. Bxa7 b6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Cardoso, Lucca"]
[Black "Souza, Rafael Cabral"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "138"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 c5 3. c3 cxd4 4. cxd4 g6 5. Nc3 Bg7 6. e4 d6 7. Bc4 O-O 8. O-O
Nxe4 9. Nxe4 d5 10. Bd3 dxe4 11. Bxe4 Nd7 12. Bf4 $146 ({RR} 12. Bd3 Nb6 13.
Re1 Be6 14. Be4 Bd5 15. Bxd5 Nxd5 16. Qb3 Qd6 17. Bd2 e6 18. Rac1 Qb6 19. Qxb6
axb6 20. a3 Rfd8 21. Rc2 Kf8 22. Kf1 Ke8 23. Rec1 h6 24. h4 h5 25. g3 Ne7 26.
Bg5 f6 {Tobor,D (1949)-Roy,P (2374) Bangkok THA 2019 1/2-1/2 (101)}) 12... Qb6
13. Qe2 Nf6 14. Rfd1 Nxe4 15. Qxe4 Bg4 16. Rd2 Bxf3 17. gxf3 e6 18. Rad1 Rad8
19. b3 Rd5 20. Be5 Rfd8 21. Bxg7 Kxg7 22. Rd3 R8d7 23. f4 Qd8 24. Kg2 Qh4 25.
Qf3 b6 26. Qg3 Qf6 27. Qe3 Rf5 28. Kg3 g5 29. Qe4 Rxf4 30. Qe5 Rxf2 31. Qxf6+
Rxf6 32. d5 exd5 33. Rxd5 Rxd5 34. Rxd5 Kg6 35. b4 Rc6 36. a4 Rc3+ 37. Kg2 Rc4
38. Rb5 h5 39. a5 Rc6 40. axb6 Rxb6 41. Ra5 a6 42. Kg3 h4+ 43. Kf3 f5 44. h3
Kf6 45. Kf2 Rxb4 46. Rxa6+ Ke5 47. Ra3 Rb2+ 48. Kg1 Re2 49. Rb3 Kf4 50. Rb4+
Re4 51. Rb5 Re3 52. Kg2 Re2+ 53. Kf1 Re5 54. Rb4+ Kf3 55. Rb3+ Re3 56. Rb5 Kg3
57. Rb8 Kxh3 58. Kf2 f4 59. Rb4 Kg4 60. Rb2 h3 61. Kf1 Kg3 62. Rb5 g4 63. Rh5
Ra3 64. Rh6 h2 65. Ke2 Kg2 66. Rg6 f3+ 67. Kd2 g3 68. Kc2 f2 69. Rg4 Kg1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Carmo, Jose Arlindo"]
[Black "Luz, Arthur Nader"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nf3 Bg7 7. Be2 dxe5 8. fxe5
c5 9. d5 O-O 10. O-O Bg4 11. Bf4 $146 ({RR} 11. Nh4 Bxe2 12. Qxe2 e6 13. Qg4 f5
14. exf6 Rxf6 15. Nf3 Rf5 16. dxe6 Nc6 17. Nc3 Nd4 18. Qe4 Nxc4 19. Qxb7 Nd6
20. Qa6 Qb6 21. Qxb6 axb6 22. Rd1 Re8 23. Ng5 h6 24. Nge4 Nxe4 25. Nxe4 Ne2+ {
Kalivoda,J (2103)-Machycek,L (2258) Ostrava 2002 0-1 (31)}) 11... N8d7 12. Nbd2
Bxf3 13. Nxf3 Qb8 14. Bg3 Nxe5 15. Kh1 Nbd7 16. Qc2 Qd8 17. Rad1 Ng4 18. Rd3
Bh6 19. Qb3 f5 20. Bh4 Nge5 21. d6 g5 22. Nxg5 exd6 23. Rg3 Ng6 24. Nf3 Qe8 25.
Re1 f4 26. Rg4 Qe6 27. Ng5 Qf5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Carvalho, Vitor Augusto"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "0-1"]
[ECO "C21"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 Nf6 3. dxe5 Nxe4 4. Qd5 ({RR} 4. Qe2 d5 5. exd6 cxd6 6. Qxe4+
Be7 7. Bd3 d5 8. Qe2 O-O 9. Nf3 Bb4+ 10. c3 Re8 11. Be3 Bc5 12. O-O Bxe3 13.
fxe3 Bg4 14. Nbd2 Nc6 15. Bc2 d4 16. Qd3 dxc3 17. Qxh7+ Kf8 18. bxc3 Qb6 {
Harrington,S-Kniazev,I (2036) chess.com INT 2023 1-0 (43)}) 4... Nc5 5. Bc4 ({
RR} 5. Be3 c6 6. Qf3 d5 7. exd6 Bxd6 8. Nc3 O-O 9. O-O-O Qc7 10. Ne4 Nxe4 11.
Qxe4 Nd7 12. Bd3 Nf6 13. Qh4 Be7 14. Nf3 Qa5 15. Bd4 h6 16. Rhe1 Be6 17. a3
Rfe8 18. Bc3 Qd5 19. Nd4 Nh5 {Hossain,E (2445)-Mohammad,M (2377) Dhaka 2013 1/
2-1/2 (68)}) 5... Qe7 6. Be3 Ne6 $146 ({RR} 6... Nc6 7. Nf3 Qe6 8. Nc3 Nb4 9.
Qxe6+ dxe6 10. O-O-O c6 11. Ng5 Nd5 12. Bd4 Nxc3 13. Bxc3 Be7 14. h4 h6 15. Nf3
b5 16. Be2 Bb7 17. Nd4 Ne4 18. Be1 a6 19. Nb3 Rc8 20. Na5 Ba8 21. b4 {Yarmysty,
M (2334)-Yaremko,N (2234) Lvov 2005 1-0 (35)}) 7. Nc3 c6 8. Qd2 d5 9. exd6 Qxd6
10. Nf3 Qxd2+ 11. Nxd2 b5 12. Bb3 Na6 13. a4 b4 14. Nce4 f5 15. Ng5 Nxg5 16.
Bxg5 Nc5 17. Bc4 Be6 18. O-O Be7 19. Bxe7 Kxe7 20. Rfe1 Kf6 21. Rad1 Bxc4 22.
Nxc4 Rad8 23. Na5 Rhe8 24. Nxc6 Rd2 25. Nxb4 Nxa4 26. f3 Rxe1+ 27. Rxe1 Nxb2
28. Nc6 Rxc2 29. Nxa7 Nd3 30. Rd1 Nf4 31. Nb5 Rxg2+ 32. Kh1 Rf2 33. Nd4 g6 34.
Re1 Rd2 35. Nc6 Nd3 36. Re8 Kg5 37. Ne5 Nf2+ 38. Kg2 Nd3+ 39. Kg1 Nxe5 40. Rxe5
Kf4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Cicuto, Marcelo Cezar"]
[Black "Zakowicz, Rafael"]
[Result "0-1"]
[ECO "A20"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. c4 {Ribli,Z} e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. e3 Qe7 ({RR} 5... d6 6.
Nge2 Be6 ({RR} 6... a5 7. d4 Ba7 8. b3 Bf5 9. h3 Na6 10. O-O O-O 11. e4 Bd7 12.
Be3 Qe7 13. Qd2 Rfe8 14. Rad1) 7. d4 Bb6 ({RR} 7... exd4 8. exd4 Bb6 9. b3 O-O
10. O-O Re8 11. Bg5 h6 12. Bxf6 Qxf6 13. Ne4 Qd8 14. c5 dxc5 15. dxc5 Bc7 16.
f4 Nd7 17. b4 Nf6) 8. b3 h5 ({RR} 8... Qd7 9. h3 O-O 10. Bb2 Ba5 11. f4 exd4
12. Nxd4 d5 13. c5 Ne4 14. Bxe4 dxe4 15. Kf2 Na6 16. Nxe4 Bd5 17. Nf3 Qe7 18.
Qd4 f5 19. Ned2 Bb4) 9. h3 a5 ({RR} 9... h4 10. g4) 10. Bb2 ({RR} 10. d5) 10...
O-O 11. Qd2 Re8 12. Rd1 Na6 13. Qc1 Qc8 ({RR} 13... exd4 14. Nxd4) 14. c5 ({RR
} 14. d5 cxd5 15. cxd5 Bd7) 14... Bc7 ({RR} 14... dxc5 15. dxe5 Nd7 ({RR} 15...
Nd5 16. Ne4) 16. Ne4) ({RR} 14... exd4 15. cxb6 dxc3 16. Qxc3) 15. cxd6 ({RR} 
15. Na4) 15... Bxd6 16. dxe5 Bxe5 17. Na4 ({RR} 17. e4) 17... Qc7 ({RR} 17...
Bxb2 18. Qxb2 Qc7) 18. Bxe5 Qxe5 19. Nf4 Bf5 ({RR} 19... h4) 20. Nb6 {Portisch,
L (2525)-Fedorchuk,S (2577) Warsaw 2005 CBM 108 [Ribli,Z] 1-0 (38)}) ({RR} 5...
d5 6. cxd5 cxd5 7. d4 exd4 8. exd4 Bb4 9. Nge2) 6. Nge2 Bb6 ({RR} 6... d6 7. d4
Bb6 8. O-O Nbd7 9. b4 a5 10. b5 O-O 11. bxc6 bxc6 12. Bxc6 Rb8 13. Ba3 Ba6 14.
Nb5 Bxb5 15. cxb5 Qe6 16. Rc1 Rfe8 17. dxe5 Nxe5 18. Bxe8 Rxe8 19. Nf4 Qd7 20.
Qxd6 Qxb5 21. Rb1 {Martin,L (2135)-Goldin,R (2323) chess.com INT 2023 1/2-1/2})
7. O-O d6 8. Rb1 $146 ({RR} 8. d3 O-O 9. h3 Be6 10. Na4 Bc7 11. b4 d5 12. c5
Nfd7 13. f4 f5 14. Bb2 g6 15. a3 Bf7 16. Qd2 Nf6 17. fxe5 Bxe5 18. Bxe5 Qxe5
19. d4 Qe7 20. Nac3 Nbd7 21. Rae1 Rfe8 22. Kh2 Qxe3 {Krawinkel,H (1667)
-Helmsen,F (2030) Wingst 2006 0-1 (46)}) 8... Bf5 9. d3 Na6 10. a3 Nc5 11. e4
Bg4 12. Be3 h5 13. h4 Bxe2 14. Qxe2 Ng4 15. Nd1 Nxe3 16. Nxe3 g5 17. Nf5 Qf6
18. hxg5 Qxg5 19. Nxd6+ Ke7 20. Nf5+ Kd7 21. Nh4 Ne6 22. Nf3 Qxg3 23. c5 Bxc5
24. d4 Qg7 25. dxc5 Rag8 26. Nh4 Nf4 27. Qf3 Qg5 28. Qg3 Ne2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Correa, Joao Pedro"]
[Black "Federzoni, Enzo"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "156"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 Rc8 7. c3 e6 8.
d4 cxd4 9. cxd4 Be7 ({RR} 9... d5 10. e5 Ne4 11. Be3 Be7 12. Ne1 h6 13. f3 Ng5
14. Nd3 O-O 15. Nc3 Rc6 16. Rac1 f5 17. Nf4 Re8 18. Qd3 Nf8 19. Na4 Rxc1 20.
Rxc1 Qa5 21. b3 Rb8 22. Bd2 Qd8 23. Nc5 b6 24. Na6 {Giri,A (2776)-Duda,J (2738)
Zagreb CRO 2021 1/2-1/2 (40)}) 10. Nc3 Nb6 11. Rd1 ({RR} 11. a4 d5 12. e5 Nfd7
13. Qd3 O-O 14. b3 a5 15. Bd2 Nb8 16. Rfc1 Nc6 17. Qb5 Nd7 18. Qxb7 Rb8 19.
Qxc6 Rb6 20. Nxd5 Rxc6 21. Nxe7+ Qxe7 22. Rxc6 Nb8 23. Rc5 Qb7 24. Rb5 Qe4 25.
Re1 Qd3 {Jaiswal,R (2131)-Bhoopnath (1767) Shillong IND 2023 1/2-1/2 (40)}) ({
RR} 11. a4 O-O 12. a5 Na8 13. a6 b6 14. e5 dxe5 15. dxe5 Nd5 16. Nxd5 Qxd5 17.
Rd1 Qc6 18. Nd4 Qe8 19. h4 Nc7 20. h5 h6 21. Qg4 Kh8 22. Bd2 Nd5 23. Rac1 Bc5
24. Nb3 Qb5 25. Nxc5 Rxc5 {Csonka,B (2497)-Federzoni,E (2177) chess.com INT
2022 0-1 (59)}) 11... O-O 12. Bf4 $146 ({RR} 12. Rd3 Qc7 13. h4 Qc6 14. a4 Rfd8
15. d5 exd5 16. exd5 Qd7 17. Be3 Re8 18. Bxb6 axb6 19. Re3 Ng4 20. Re4 Bf6 21.
Re1 Rxe4 22. Nxe4 h6 23. b3 Bc3 24. Rc1 {1/2-1/2 (24) Supi,L (2572)
-Quintiliano Pinto,R (2469) Cuiaba MT 2021}) 12... Qd7 13. Rac1 Na4 14. Nxa4
Qxa4 15. b3 Qa3 16. Rc2 d5 17. e5 Ne4 18. Rdc1 Rxc2 19. Qxc2 Bb4 20. Ng5 Nxg5
21. Bxg5 h6 22. Bf4 Qa5 23. h3 Ba3 24. Qc7 Qa6 25. Rc2 b6 26. Qc3 Qb5 27. Be3
Bb4 28. a4 Qa5 29. Qc6 Ba3 30. Bd2 Qa6 31. Qb5 Qb7 32. b4 Rc8 33. Qd3 Rxc2 34.
Qxc2 Qa6 35. b5 Qb7 36. Qc6 Qe7 37. Qc8+ Qf8 38. Qxf8+ Bxf8 39. h4 h5 40. f4
Kh7 41. Kf2 Kg6 42. Kf3 Kf5 43. Bc3 Ba3 44. g3 f6 45. Bd2 Bf8 46. Be3 Bb4 47.
Bc1 Be7 48. Bd2 fxe5 49. fxe5 Ba3 50. Be3 Bb2 51. Bg1 Bc1 52. Bf2 Bd2 53. Bg1
g5 54. hxg5 Kxg5 55. Bf2 Bc3 56. Be3+ Kf5 57. Bf2 Bd2 58. Bg1 Bb4 59. Be3 Bc3
60. Bf2 Bd2 61. Bg1 Kg6 62. Ke2 Bc1 63. Kf3 Kg5 64. Bf2 Bd2 65. Bg1 h4 66.
gxh4+ Kxh4 67. Bf2+ Kh3 68. Bg1 Bg5 69. Bf2 Kh2 70. Bg3+ Kg1 71. Ke2 Kg2 72.
Bf2 Be7 73. Be1 Kg1 74. Bf2+ Kg2 75. Be3 Kh3 76. Bg1 Ba3 77. Be3 Bb2 78. Bg1
Bc3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Costa, Kerginaldo"]
[Black "Freitas, Filipe"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 a6 ({RR} 3... b6 4. d4 e6 5. d5 Nb8 6. c4 exd5 7.
exd5 d6 8. Bd3 Be7 9. O-O Nf6 10. h3 O-O 11. Nc3 Nbd7 12. Re1 Re8 13. Bf4 Nf8
14. Qc2 a6 15. a4 Ng6 16. Bg3 Bb7 17. Rab1 Qc7 18. Nd2 {Di Nicolantonio,L 
(2416)-Denayer,E (2143) Europe-Echecs INT 2022 1-0}) 4. d4 cxd4 5. cxd4 e6 6.
a3 $146 ({RR} 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 d5 9. e5 Qa5 10. Bd2 Qc7 11. Bd3
Nge7 12. O-O f6 13. exf6 gxf6 14. Ne1 Rg8 15. Qh5+ Kd8 16. Qxh7 Bd7 17. Bg6
Rxg6 18. Qf7 Rg8 19. Nd3 Rh8 20. h3 Qb6 {Rabatin,M-Vyvial,L Frydek Mistek 2007
1-0 (35)}) 6... d6 7. Bd3 Nf6 8. O-O Be7 9. Nc3 O-O 10. Re1 Bd7 11. Qe2 Qc8 12.
e5 Nd5 13. Ne4 dxe5 14. dxe5 Qc7 15. Ng3 f5 16. exf6 Nxf6 17. Bg5 Rae8 18. Rac1
Qd8 19. Red1 Nd5 20. Qe4 g6 21. Bh6 Nf6 22. Qe2 Rf7 23. Ng5 e5 24. Nxf7 Kxf7
25. Bc4+ Be6 26. Rxd8 Nxd8 27. Ne4 Bxc4 28. Qxc4+ Ne6 29. Ng5+ Kg8 30. Qxe6+
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Cruz, Natan"]
[Black "Bittencourt, Jorge"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5
8. O-O Be7 9. Bf4 O-O 10. Qf3 $146 ({RR} 10. Nc3 c6 11. h3 Bd6 12. Qd2 Rb8 13.
b3 Bxf4 14. Qxf4 Be6 15. Rad1 Qa5 16. Ne2 Qb4 17. Rfe1 Qxf4 18. Nxf4 Rfe8 19.
Re3 Bd7 20. Rde1 Kf8 21. Kf1 g5 22. Rxe8+ Rxe8 23. Rxe8+ Kxe8 24. Ne2 c5 {
Rico Gonzalez,A-Villegas,B Radio 1946 0-1 (58)}) ({RR} 10. Nc3 c6 11. Qf3 Bd6
12. h3 Rb8 13. b3 Rb4 14. Ne2 Re8 15. c4 Rb7 16. Rad1 Rbe7 17. Nd4 Qc7 18. Bxd6
Qxd6 19. cxd5 cxd5 20. Bb5 Bd7 21. Bxd7 Qxd7 22. Nf5 Re5 23. Ne3 Qb5 24. Rd4
Qa5 {Mellado Trivino,J (2365)-Garriga Cazorla,P (2445) Barcelona ESP 2019 1/
2-1/2}) ({RR} 10. Nc3 c6 11. Qd2 Nh5 12. Be3 f5 13. Ne2 c5 14. c3 Bb7 15. Nf4
Nxf4 16. Bxf4 Rc8 17. Rfe1 Rc6 18. Qe2 Bd6 19. Qe6+ Kh8 20. Bxd6 Rxd6 21. Qe7
Bc6 22. Qxa7 d4 23. Qxc5 dxc3 24. bxc3 Rg6 {Oikonomopoulos,F (1733)-Zhdanov,P 
(1933) Veliko Gradiste SRB 2023 1-0 (32)}) 10... Be6 11. Nd2 c5 12. b3 Bd6 13.
Bg5 Be5 14. Rae1 Qc7 15. h3 h6 16. Bh4 c4 17. bxc4 dxc4 18. Bxc4 Bxc4 19. Nxc4
Qxc4 20. g4 Rae8 21. Re3 Re6 22. Rfe1 Qxa2 23. Qf5 Rfe8 24. c4 g6 25. Qd3 g5
26. R3e2 Bh2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Cunha, Lucas Aguiar"]
[Black "Silva, Erick"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 {Blatny,P} e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 c6 6. O-O Nxf3+ ({
RR} 6... d6 7. Nxd4 exd4 8. Ne2 Qb6 ({RR} 8... Nxe4 9. Nxd4) ({RR} 8... b5 9.
Bb3 c5 10. d3) 9. d3 Be7 10. c3 dxc3 11. Nxc3 ({RR} 11. bxc3) 11... O-O 12. d4
d5 13. e5 Ne4 14. Bc2 f5 15. Ne2 Kh8 16. h4 ({RR} 16. f3 Ng5) 16... Bxh4 ({RR} 
16... c5 17. f3 cxd4 18. fxe4 d3+) 17. g3 Be7 ({RR} 17... Bg5 18. Bxe4 Bxc1 19.
Bxd5 Bxb2 20. Rb1 cxd5 21. Qd2) 18. Kg2 c5 19. Nf4 ({RR} 19. Rh1 cxd4 20. Nf4
d3 21. Be3 dxc2 22. Qh5 Qh6 23. Ng6+ hxg6 24. Qxg6) 19... Bg5 20. f3 ({RR} 20.
Nxd5 Qc6) 20... Bxf4 21. Bxf4 {Shirov,A (2715)-Sokolov,I (2650) Madrid 1994
CBM 041 [Blatny,P] 1/2-1/2 (37)}) ({RR} 6... b5 7. Bb3 Nxb3 8. axb3 d6 9. d4 ({
RR} 9. d3 Be7 10. Ne1 O-O 11. f4 exf4 12. Bxf4 d5 13. e5 Bg4 14. Nf3) 9... Qc7
10. Qd3 Be7 11. Bg5 O-O 12. b4) 7. Qxf3 Bc5 8. d3 ({RR} 8. Qg3 Qe7 9. Qxg7 Rg8
10. Qh6 Rg6 11. Qh4 d6 12. d3 Rg4 13. Qh6 Rg6 14. Qd2 Bh3 15. g3 Bxf1 16. Kxf1
Ng4 17. f3 Qf6 18. Qg2 Nxh2+ 19. Qxh2 Qxf3+ 20. Ke1 Rxg3 21. Ne2 Rg2 {0-1 (21)
Papayan,O (2253)-Mendez Machado,A (1962) chess.com INT 2023}) 8... O-O $146 ({
RR} 8... Qc7 9. Bg5 Be7 10. Rad1 d6 11. h3 h6 12. Be3 g5 13. d4 g4 14. Qg3 gxh3
15. f4 hxg2 16. Rf2 Rg8 17. Qh2 Ng4 18. Qxg2 Nf6 19. Nd5 Rxg2+ 20. Kxg2 Nxd5
21. exd5 b5 22. Bb3 cxd5 23. Bxd5 {Dittmann,S (1507)-Janicki,P (1665)
Neumuenster 2003 0-1}) 9. Bg5 Be7 10. Bb3 d6 11. h3 Be6 12. Rfd1 h6 13. Be3
Bxb3 14. axb3 Nd7 15. Qg4 Kh8 16. d4 Bf6 17. dxe5 Nxe5 18. Qh5 Qc7 19. f4 Nd7
20. Rd3 Rae8 21. e5 dxe5 22. Rad1 Re7 23. Qg4 Nb6 24. f5 e4 25. Rd6 Kh7 26.
Bxh6 Be5 27. Bxg7 Bxd6 28. Bf6 Bh2+ 29. Kh1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Custodio, Leandro"]
[Black "Peres, Wallafe"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. Nf3 f5 2. d4 Nf6 3. Nc3 e6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 fxe4 7. Nxe4 O-O 8.
Bd3 b6 9. Nxf6+ ({RR} 9. h4 Bb7 10. Nfg5 h6 11. Nh7 Kxh7 12. Nxf6+ Kh8 13. Ne4
Nc6 14. c3 Ne7 15. Qe2 Qe8 16. O-O-O Nd5 17. g3 Qf7 18. f4 a5 19. Kb1 a4 20. a3
Ra5 21. Ka1 Qe7 22. Rh2 Nf6 23. Ng5 c5 {Yilmaz,M (2630)-Lee,Q (2262) chess.com
INT 2021 1-0 (32)}) ({RR} 9. Ne5 Bb7 10. Qh5 Bxe5 11. dxe5 Qe7 12. O-O g6 13.
Qh6 Bxe4 14. Bxe4 Nc6 15. f4 Rf7 16. Rf3 Qb4 17. Bd3 Raf8 18. Raf1 Rg7 19. b3
Ne7 20. a4 Nf5 21. Qh3 Qd4+ 22. Kh1 Ne7 23. g4 Rgf7 {Stead,K (1908)-Aggelis,N 
(2270) chess.com INT 2023 0-1}) 9... Qxf6 10. Be4 $146 ({RR} 10. Qe2 Bb7 11.
Be4 Bxe4 12. Qxe4 Nc6 13. O-O Qf5 14. Rfe1 Qxe4 15. Rxe4 {1/2-1/2 (15)
Krivolapov,K (2371)-Prokopisin,V (2332) Gongyos 2002}) 10... d5 11. Bd3 Ba6 12.
O-O Bxd3 13. Qxd3 Nc6 14. c3 Rf7 15. Rae1 Raf8 16. Qb5 Nb8 17. Ne5 Re7 18. Re3
g6 19. Qe2 Nd7 20. Nxd7 Rxd7 21. Rxe6 Qg7 22. Qe3 Rdf7 23. f3 h5 24. Qg5 Rf5
25. Qxg6 Qxg6 26. Rxg6+ Kh7 27. Rc6 R8f7 28. Re1 Rg7 29. Re5 Rxf3 30. Rxc7 Rxc7
31. gxf3 Rg7+ 32. Kf2 Kg6 33. Rxd5 Rf7 34. c4 Rb7 35. b4 Rc7 36. c5 bxc5 37.
bxc5 a5 38. Re5 h4 39. Ke3 a4 40. Kd3 Rf7 41. Ke4 h3 42. d5 Rb7 43. c6 Rb2 44.
c7 Rc2 45. Re6+ Kf7 46. Rc6 Rxh2 47. c8=Q Re2+ 48. Kf4 h2 49. Rc7+ Re7 50. Qe6+
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Dantas, Neimar"]
[Black "Oliveira, Olavo Tadeu"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. h3
exd4 9. Nxd4 a5 ({RR} 9... a6 10. Nb3 Rb8 11. Bf4 Nh5 12. Be3 Re8 13. Qc1 Nhf6
14. Rd1 Qe7 15. Ba7 Ra8 16. Bd4 c5 17. Be3 Ne5 18. Bg5 Be6 19. Na5 Nxc4 20.
Nxb7 Rab8 21. Nd5 Bxd5 22. Bxd5 Nxb2 23. Rd2 Rxb7 24. Bxb7 {Le Roux,J (2482)
-Jenni,F (2550) Olbia 2008 1-0 (40)}) ({RR} 9... Nc5 10. b3 a5 11. Rb1 a4 12.
b4 Ne6 13. Ndb5 Nd7 14. Nxa4 Ne5 15. c5 dxc5 16. Qxd8 Rxd8 17. Nxc5 c6 18. Nxe6
Bxe6 19. Nc7 Bxa2 20. Nxa8 Bxb1 21. Bg5 Rxa8 22. Rxb1 h6 23. Bf4 Ra2 24. b5 {
Kostiukov,A (2271)-Maltsevskaya,A (2389) chess.com INT 2023 1/2-1/2 (51)}) 10.
Bg5 $146 ({RR} 10. Be3 Re8 11. Rc1 Nc5 12. Kh2 h6 13. Nc2 Qe7 14. Bd4 Rb8 15.
Re1 Nce4 16. Nd5 Nxd5 17. cxd5 Bxd4 18. Qxd4 Nc5 19. e4 Bd7 20. f4 f6 21. Re3
b6 22. Rce1 Qg7 23. b3 Re7 24. g4 Rbe8 {Andaburskis,A-Rei,A Tallinn 2000 1/2-1/
2}) 10... h6 11. Be3 Nc5 12. Nb3 Ne6 13. a4 c6 14. Qd2 Kh7 15. Rfd1 Ne8 16. Ne4
f5 17. Nxd6 Nxd6 18. Qxd6 Qxd6 19. Rxd6 Bxb2 20. Ra2 Be5 21. Rd1 f4 22. gxf4
Nxf4 23. Bxf4 Rxf4 24. e4 Bc7 25. Nc5 b6 26. Nd7 Rf7 27. Rad2 Ba6 28. e5 Bxc4
29. Bxc6 Ra7 30. Nf6+ Kg7 31. Bd5 Bxd5 32. Rxd5 Re7 33. Nd7 h5 34. f4 Kf7 35.
Kg2 Rb7 36. Kf3 Bb8 37. Ke4 Ra7 38. f5 gxf5+ 39. Kxf5 Rc7 40. Rd6 Rc8 41. Rg1
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Deves, Rafael"]
[Black "Rodrigues, Julliano"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qe2 dxc6 7. Nc3 Ne7 (
{RR} 7... Bd4 8. Bd2 Ne7 9. f3 Be6 10. h4 Be5 11. O-O-O O-O-O 12. Qe3 Kb8 13.
f4 Rxd2 {0-1 (13) Bilek,I (2377)-Kallio,H (2502) Budapest 2002}) 8. Na4 $146 ({
RR} 8. Be3 Bd4 9. Bd2 O-O 10. g3 Re8 11. Bg2 Nd5 12. Nxd5 cxd5 13. c3 Bb6 14.
O-O Bf5 15. Rae1 dxe4 16. Kh1 Qg6 17. Be3 Rad8 18. Qb5 Bg4 19. Bxb6 axb6 20. f3
Bd7 21. Qc4 exf3 22. Bxf3 Bc6 {Kothe,E-Mergeai,C Willingen 1999 1-0 (54)}) ({RR
} 8. Be3 Bb4 9. Bd2 Bc5 10. Be3 Bb4 11. Qc4 a5 12. Bd4 Qf4 13. Qd3 O-O 14. a3
Bxc3+ 15. Bxc3 Nd5 16. exd5 Re8+ 17. Be2 Bg4 18. f3 c5 19. fxg4 Qxg4 20. Qf3
Qg6 21. O-O Re7 22. Bd3 Qd6 {Mohamed,A (2237)-Aradhya,G (2325) chess.com INT
2023 1-0 (46)}) 8... Bd6 9. g3 Be6 10. Bg2 O-O-O 11. O-O Qd4 12. Nc3 Bc4 13.
Rd1 Qxc3 14. Qg4+ f5 15. exf5 h5 16. Qe4 Qb4 17. Rd4 b5 18. b3 Qc3 19. Rb1 Bd5
20. Rxd5 Nxd5 21. Bb2 Rhe8 22. Bxc3 Rxe4 23. Bxg7 Re2 24. c4 Ne7 25. f6 Ng6 26.
Bf3 Rxa2 27. Bxh5 Ne5 28. Re1 Nd3 29. Re8 Rxe8 30. Bxe8 Bc5 31. cxb5 Rxf2 32.
Kh1 Ne1 33. h4 Nf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Duailibi, Ricardo"]
[Black "Santiago, Yago"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 Nh5 8.
Bg3 g6 9. Be2 ({RR} 9. Bd3 Bh6 10. O-O O-O 11. Qe2 f6 12. b4 Rf7 13. Nb3 b6 14.
Rad1 Bd7 15. b5 Ne7 16. c4 dxc4 17. Bxc4 Nd5 18. Bxd5 exd5 19. Rfe1 Rc8 20.
Nfd2 Rc2 21. a4 Bf5 22. Rc1 Ra2 23. a5 Nf4 {Henriquez Villagra,C (2616)
-Firouzja,A (2785) chess.com INT 2023 0-1 (39)}) ({RR} 9. Bd3 Bg7 10. O-O Nxg3
11. hxg3 O-O 12. Re1 f6 13. c4 dxc4 14. Bxc4 Nxd4 15. Nxd4 Qxd4 16. Bxe6+ Bxe6
17. Rxe6 Rad8 18. Qb3 Qd5 19. Ne4 f5 20. Nc3 Qxb3 21. axb3 a6 22. Re7 Rf7 23.
Rae1 Rd2 {Rizzo,T (1970)-Csonka,B (2497) chess.com INT 2023 1/2-1/2 (108)})
9... Bg7 10. Bh4 $146 ({RR} 10. Qb3 O-O 11. O-O Nxg3 12. hxg3 Rb8 13. Bb5 Bd7
14. Bxc6 Bxc6 15. Rfe1 Qd6 16. Ne5 Rfc8 17. Ndf3 Be8 18. a3 b6 19. Qb4 Qd8 20.
Qb3 f6 21. Nd3 Bf7 22. Nf4 Qd6 23. Qb4 Rd8 24. Qxd6 Rxd6 {Jeremic,M (2106)
-Chylewski,P (2344) chess.com INT 2020 0-1 (87)}) 10... Bf6 11. Bxf6 Qxf6 12.
g3 Bd7 13. Nb3 b6 14. Nfd2 Ng7 15. Bf3 Rc8 16. Qe2 O-O 17. O-O h5 18. Bg2 Nf5
19. Nf3 Nd6 20. Nbd2 Rfd8 21. Rfe1 Ne7 22. Ne5 Be8 23. h3 a5 24. g4 hxg4 25.
hxg4 Qf4 26. Nd3 Qh6 27. Qe5 Bb5 28. Nf4 Nc6 29. Qe3 Qh4 30. Bf3 Re8 31. Ng2
Qf6 32. Nf4 Bc4 33. b3 Ba6 34. Be2 Bxe2 35. Rxe2 Nb5 36. Nf3 Nxc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Farias, Igor"]
[Black "Rocha, Jean Henrique"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. c4 e6 2. g3 Nf6 3. Bg2 Be7 4. Nf3 O-O 5. O-O d5 6. b3 c5 7. Bb2 Nc6 8. e3 b6
9. Nc3 Bb7 10. cxd5 exd5 11. d4 Re8 12. Rc1 Bd6 $146 ({RR} 12... cxd4 13. Nxd4
Nxd4 14. Qxd4 Bc5 15. Qd3 Ne4 16. Na4 Bf8 17. Bd4 Rc8 18. Bh3 Rxc1 19. Rxc1 Ng5
20. Bg2 Qd7 21. h4 Ne4 22. Qf1 Qf5 23. Bh3 Qg6 24. Qe2 h5 25. Qf3 Nd2 26. Qe2
Ne4 27. Qf3 {Barczay,L-Espig,L Lublin 1975 1/2-1/2}) ({RR} 12... Bf8 13. Ne2
Ne4 14. Nf4 Ba6 15. Re1 c4 16. bxc4 Bxc4 17. a3 Rc8 18. Ne5 Nxe5 19. dxe5 b5
20. Qg4 Rc6 21. Red1 Qc8 22. Bh3 Qxg4 23. Bxg4 Nc5 24. Nxd5 Na4 25. Bd7 Nxb2
26. Bxe8 Re6 27. Nc7 {Vitiugov,N (2720)-Frolyanov,D (2610) Olginka 2011 1-0 
(35)}) ({RR} 12... a6 13. dxc5 Bxc5 14. Na4 Be7 15. Nd4 Rc8 16. Nxc6 Bxc6 17.
Qd4 Bxa4 18. Qxa4 Rxc1 19. Rxc1 a5 20. Bd4 Bb4 21. Qb5 Re6 22. Qa6 Bc5 23. Bh3
Rd6 24. Bxc5 bxc5 25. Qb5 Ne4 26. Bg2 h6 27. Bxe4 {Colas,J (2294)-Sezdbekov,R 
(2274) chess.com INT 2023 1-0 (43)}) 13. Nb5 Ba6 14. Nxd6 Qxd6 15. Re1 Nb4 16.
Ne5 Nxa2 17. Ra1 Nb4 18. Bc3 b5 19. dxc5 Qxc5 20. Bxb4 Qxb4 21. Nc6 Qd6 22.
Rxa6 Rec8 23. Bxd5 Qxd5 24. Ne7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Fedrizzi, Roberto"]
[Black "Sovinski, Marcos Roberto"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 e6 6. Bd3 ({RR} 6. g3 Bb4 7.
Bg2 O-O 8. Nge2 Nc6 9. O-O e5 10. d5 Ne7 11. Bg5 Ng6 12. Rc1 a6 13. Qa4 Be7 14.
Rfd1 h6 15. Bxf6 Bxf6 16. Qb3 Rb8 17. Na4 b6 18. Qc3 Bd7 19. b3 Rb7 20. Nb2 Qc8
{Ulburghs,P-Janssen,H (2355) Lommel 1992 1-0 (48)}) 6... g6 $146 ({RR} 6... Nc6
7. Nf3 Be7 8. O-O O-O 9. Be3 a6 10. Rc1 b5 11. e5 Nd5 12. Nxd5 Qxd5 13. Qc2 Nb4
14. Bxh7+ Kh8 15. Be4 Nxc2 16. Bxd5 Nxe3 17. Bxa8 Nxf1 18. Kxf1 c5 19. dxc5 a5
20. c6 Ba6 21. Bb7 {Alekhine,A-Gladstone,R London 1938 1-0}) ({RR} 6... a6 7.
Bg5 Be7 8. Nf3 h6 9. Be3 b5 10. a3 Bb7 11. O-O Nbd7 12. b4 g5 13. h3 O-O 14. h4
Ng4 15. Bd2 e5 16. d5 gxh4 17. Nxh4 Bxh4 18. Qxg4+ Bg5 19. f4 Nf6 20. Qf5 exf4
21. Bxf4 {Acimovic,V (1728)-Bedic,S (1921) Otocec 2016 0-1 (40)}) 7. Nge2 Bg7
8. Bg5 h6 9. Bh4 Qd7 10. f4 Nc6 11. a3 a6 12. h3 O-O 13. Bf2 b5 14. O-O Bb7 15.
f5 Ne7 16. e5 Qc6 17. Nf4 Nfd5 18. Ncxd5 Nxd5 19. Rc1 Qd7 20. fxe6 fxe6 21.
Nxg6 Rf7 22. Qg4 Ne7 23. Nxe7+ Qxe7 24. Bh4 Qd7 25. Rxf7 Qxf7 26. Rf1 Qd7 27.
Qg6 Qxd4+ 28. Rf2 Qxf2+ 29. Bxf2 Rf8 30. Qxe6+ Kh8 31. Qg6 Kg8 32. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Ferreira, Andrei"]
[Black "Baeta, Marcio Netto"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. O-O Bg7 7. h3 O-O 8. Re1
Nb6 ({RR} 8... dxe5 9. Nxe5 Nd7 10. Nf3 N5b6 11. Bb3 c5 12. c3 cxd4 13. cxd4
Nf6 14. Nc3 Bd7 15. Bg5 Rc8 16. Ne5 Bc6 17. Nxc6 Rxc6 18. Qf3 h6 19. Bxf6 Bxf6
20. Rad1 Kg7 21. d5 Rc7 22. d6 exd6 23. Nb5 {Zhigalko,S (2572)-Xiong,J (2709)
chess.com INT 2020 0-1 (37)}) 9. Bb3 c5 10. exd6 $146 ({RR} 10. dxc5 dxc5 11.
Qe2 Qc7 12. Na3 a6 13. Bf4 e6 14. Rad1 Nc6 15. c3 Ne7 16. Bg5 Ned5 17. c4 Nb4
18. Nb1 Nc6 19. Qe3 Na5 20. Nbd2 Re8 21. Bf6 Bd7 22. Ne4 Nbxc4 23. Qg5 h6 24.
Qh4 Bf8 {Gdanski,J (2493)-Flak,P (2206) Bydgoszcz POL 2021 1-0}) 10... exd6 11.
c3 Nc6 12. Bg5 Qc7 13. dxc5 dxc5 14. Nbd2 Bf5 15. Nc4 Nc8 16. Qd2 b5 17. Ne3
N8e7 18. Nxf5 Nxf5 19. Bc2 Nfe7 20. Qe3 f6 21. Bf4 Ne5 22. Bxe5 fxe5 23. Nxe5
Nd5 24. Qe4 Nf4 25. Nd3 Rae8 26. Qxe8 Rxe8 27. Rxe8+ Kf7 28. Rae1 Nxd3 29. Bxd3
c4 30. Bc2 Bf8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Filgueiras, Nathan"]
[Black "Santos, Jarlison"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Bd3
Qb6 9. e5 dxe5 ({RR} 9... Nfd7 10. Qf2 e6 11. Ne4 Bf8 12. exd6 f5 13. Nc5 Bxd6
14. Nxe6 Nf8 15. Qe2 Kd7 16. Bc4 Nxe6 17. Bxe6+ Kc7 18. Be3 Re8 19. d5 Qb4+ 20.
Qd2 cxd5 21. c3 Qe4 22. O-O Qxe6 23. Rfe1 Qf7 24. c4 {Hovhannisyan,R (2642)
-Andriasian,Z (2606) Yerevan ARM 2020 0-1 (39)}) 10. fxe5 Nfd7 11. Qf2 c5 $146
({RR} 11... O-O 12. O-O Na6 13. a3 c5 14. Nd5 Qd8 15. Bg5 f6 16. exf6 Nxf6 17.
Nxf6+ Bxf6 18. Bxf6 Rxf6 19. Qh4 Qxd4+ 20. Qxd4 cxd4 21. Rxf6 exf6 22. Bxa6
bxa6 23. Rd1 Rc8 24. Rxd4 Rxc2 25. Rd6 Rxb2 26. Rxa6 {Blok,Y (1720)-Volynsky,M
(1933) Krasnodar 2012 1/2-1/2 (33)}) 12. Nd5 Qd8 13. Bc4 e6 14. O-O O-O 15.
Nf6+ Nxf6 16. exf6 Bh6 17. dxc5 Nd7 18. Bxh6 Re8 19. Rad1 a6 20. Rd6 Qc7 21.
Rxe6 Qxc5 22. Qxc5 Nxc5 23. Re7 Rxe7 24. fxe7 Ne6 25. Bxe6 fxe6 26. Rf8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Fogaca, Vinicius"]
[Black "Silva, Alex Castro"]
[Result "0-1"]
[ECO "E47"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 O-O 6. Bd3 d6 7. Ne2 e5 8. e4
Nc6 9. d5 $146 ({RR} 9. O-O Re8 10. Qc2 exd4 11. cxd4 Nb4 12. Qc3 Nxd3 13. Qxd3
Nxe4 14. f3 Nf6 15. Bg5 h6 16. Bh4 Qe7 17. Bxf6 Qxf6 18. Rae1 Bf5 19. Qc3 Re7
20. Ng3 Rae8 21. Ne4 Bxe4 22. fxe4 Qg5 23. Qf3 c5 {JaackCamel (2140)-Sunye
Neto,J (2349) lichess.org 2020 0-1 (42)}) ({RR} 9. f3 b6 10. Be3 Ba6 11. Ng3
Qe8 12. O-O Na5 13. Qe2 Qa4 14. f4 exf4 15. Rxf4 Ne8 16. e5 Bxc4 17. Bxh7+ Kxh7
18. Qh5+ Kg8 19. Nf5 Qd7 20. Nh6+ gxh6 21. Rg4+ Ng7 22. Rxg7+ Kxg7 23. Bxh6+ {
1-0 (23) Sargissian,G (2681)-Pichot,A (2625) Warsaw POL 2021}) ({RR} 9. O-O Re8
10. f3 b6 11. Bg5 h6 12. Bh4 g5 13. Bf2 Nh5 14. c5 Na5 15. cxd6 cxd6 16. Bb5
Rf8 17. c4 a6 18. Ba4 Nxc4 19. Bb3 b5 20. Bxc4 bxc4 21. Qa4 Be6 22. Rfd1 Qc7
23. Rac1 Rfc8 {Aziz,H (2329)-Hesham,A (2412) Khartoum SUD 2023 0-1 (45)}) 9...
Ne7 10. O-O Ng6 11. f4 exf4 12. Nxf4 Ne5 13. Ne2 h6 14. Bf4 Qe7 15. Ng3 g5 16.
Nf5 Bxf5 17. Bxe5 Qxe5 18. Rxf5 Qxc3 19. e5 Qd4+ 20. Kh1 Ne4 21. exd6 cxd6 22.
Bxe4 Qxe4 23. Rf6 Qe5 24. Rxh6 Kg7 25. Rh3 Rh8 26. Rxh8 Rxh8 27. h3 Rh4 28. Qe1
Rxc4 29. Qxe5+ dxe5 30. Rd1 Rd4 31. Rxd4 exd4 32. Kg1 Kf6 33. Kf2 Ke5 34. d6
Kxd6 35. Ke2 b5 36. g3 Ke5 37. h4 gxh4 38. gxh4 b4 39. h5 Kf6 40. Kf3 d3 41.
Kf2 Kg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Fontoura, Alexandre"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. b3 e5 2. Bb2 Nc6 3. Nf3 e4 4. Nd4 Nxd4 5. Bxd4 Ne7 6. e3 Nc6 7. Bb2 d5 8. d3
exd3 ({RR} 8... Qg5 9. Nc3 Bb4 10. a3 Bxc3+ 11. Bxc3 Bg4 12. Qd2 O-O-O 13. d4
f5 14. Bb4 Bh5 15. h4 Qg6 16. g3 Bf3 17. Rg1 Rhe8 18. Qc3 Qh5 19. Bc5 Re6 20.
b4 b6 21. b5 bxc5 22. bxc6 c4 23. Qa5 {Jobava,B (2687)-Nepomniachtchi,I (2751)
Tbilisi 2017 1/2-1/2}) ({RR} 8... Qg5 9. h4 Qf5 10. Nd2 Be6 11. dxe4 dxe4 12.
Bc4 O-O-O 13. Bxe6+ Qxe6 14. Qe2 Nb4 15. O-O-O Nxa2+ 16. Kb1 Nb4 17. Qc4 Qxc4
18. Nxc4 Nc6 19. Rxd8+ Kxd8 20. Rd1+ Kc8 21. h5 Rg8 22. Rd5 Bb4 23. Rf5 {
Deviprasath,S (2322)-Matlakov,M (2677) chess.com INT 2023 0-1 (42)}) 9. Bxd3
$146 ({RR} 9. Qxd3 Bb4+ 10. Nc3 Bg4 11. f3 Be6 12. O-O-O Qe7 13. Kb1 O-O-O 14.
h4 h5 15. Ne2 f6 16. Nf4 Bf7 17. Qf5+ Kb8 18. Nxd5 Bxd5 19. Rxd5 Rxd5 20. Qxd5
Rd8 21. Qxd8+ Qxd8 22. Bd3 Qe7 23. Be4 Qd6 {Jobava,B (2585)-Shimanov,A (2581)
chess.com INT 2022 0-1 (31)}) 9... Qg5 10. Be2 Qxg2 11. Bf3 Qg6 12. Na3 Be6 13.
Qe2 Bb4+ 14. c3 Bxa3 15. Bxa3 Qf6 16. Bb2 Ne5 17. Bg2 Bg4 18. Qd2 Bf3 19. Kf1
Bxg2+ 20. Kxg2 Qf3+ 21. Kg1 Qh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Franco Filho, Sinvaldo"]
[Black "Sega, Carlos Alberto"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. O-O Be7 7. h3 O-O 8. c3 ({
RR} 8. Re1 Re8 9. c3 Bf8 10. Nbd2 h6 11. Qe2 Be6 12. d4 b5 13. Bc2 exd4 14.
cxd4 Nb4 15. Bb1 d5 16. e5 Nd7 17. a3 Nc6 18. Qd3 g6 19. Nf1 Bf5 20. Qe3 Bxb1
21. Rxb1 Bg7 22. N1h2 Nf8 {Mesquita,E (1971)-Barria Santos,J (2428) chess.com
INT 2023 1-0}) 8... b5 9. Bc2 Bb7 10. d4 $146 ({RR} 10. Re1 Re8 11. Nbd2 Bf8
12. Nf1 Ne7 13. Nh4 Ng6 14. Nf5 c5 15. Qf3 Qc7 16. Bg5 Nd7 17. Rad1 a5 18. h4
f6 19. Bc1 Nb6 20. h5 Ne7 21. N5e3 a4 22. h6 Bc8 23. Ng3 g6 24. Qxf6 Bxh6 {
Lanc,A (2410)-Giertli,V (2206) Tatranske Zruby 2004 1-0 (60)}) 10... exd4 11.
cxd4 Nb4 12. Nc3 Nxc2 13. Qxc2 b4 14. e5 dxe5 15. dxe5 bxc3 16. exf6 Bxf6 17.
Rd1 Qc8 18. Ng5 Bxg5 19. Bxg5 cxb2 20. Qxb2 Be4 21. Rac1 Qf5 22. Bh4 c6 23. Rd6
Bd5 24. Qd4 Rfe8 25. Qa1 Qe4 26. Rxd5 cxd5 27. Bg3 d4 28. Kh2 d3 29. Rc5 d2 30.
Rg5 g6 31. f3 Qe1 32. Qf6 Qxg3+ 33. Rxg3 d1=Q 34. h4 Qd8 35. Qf4 Rc8 36. h5 Qc7
37. Qd4 Qe5 38. Qd7 Qxh5+ 39. Rh3 Qe5+ 40. Rg3 Rc4 41. f4 Rxf4 42. Kg1 Rd4 43.
Qh3 Rd1+ 44. Kh2 Rd3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Gauche, Charles"]
[Black "Romais, Rodrigo"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 Qxd5 6. Bc4 Qd8 7. Nb3 cxd4 8.
O-O Nf6 9. Nbxd4 Bd7 ({RR} 9... Bc5 10. Nxc6 Qxd1 11. Rxd1 bxc6 12. Bg5 Nd5 13.
Nd2 Be7 14. Bxe7 Kxe7 15. Bb3 Ba6 16. Rac1 Rad8 17. Nc4 Bxc4 18. Bxc4 Rd7 19.
Kf1 Rhd8 20. Bxd5 cxd5 21. Ke2 Rc7 22. c3 Rb8 23. Rc2 Rc4 {1/2-1/2 (23)
Hofstede,R-Blijlevens,P (1910) Helmond NED 2023}) 10. Qe2 ({RR} 10. Nb5 a6 11.
Nd6+ Bxd6 12. Qxd6 Qe7 13. Bf4 Qxd6 14. Bxd6 O-O-O 15. Rfd1 h6 16. c3 Na5 17.
Bf1 Nd5 18. c4 Ba4 19. cxd5 Rxd6 20. b3 Bb5 21. Rac1+ Kb8 22. b4 Bxf1 23. Kxf1
exd5 24. bxa5 Re8 {Remizov,Y (2389)-Shkuran,D (2324) chess.com INT 2022 1-0 
(32)}) 10... Bc5 11. Be3 $146 ({RR} 11. Nb3 Be7 12. Bf4 O-O 13. Rad1 a6 14. a4
Qe8 15. Rd2 Na7 16. a5 Ba4 17. Rfd1 Nh5 18. Bc7 Qc6 19. Rd7 Bxb3 20. cxb3 Bc5
21. g3 Nf6 22. Ne5 Qe4 23. Qxe4 Nxe4 24. Nd3 Nc6 25. Bb6 Bxb6 {Alboredo,J 
(1830)-Gamage,Y (1435) Al Ain 2013 1/2-1/2 (33)}) 11... Nxd4 12. Nxd4 O-O 13.
Nxe6 Bxe6 14. Bxc5 Bxc4 15. Qxc4 Rc8 16. Qb4 Re8 17. c3 a5 18. Qb6 Qd5 19. Be3
Re6 20. Qd4 Qh5 21. h3 Rce8 22. Rfe1 h6 23. Qd1 Qb5 24. b3 Nd5 25. c4 Nxe3 26.
Rxe3 Qf5 27. Rxe6 Rxe6 28. Qd8+ Kh7 29. Qd2 Qf6 30. Rd1 Qe7 31. Qxa5 Ra6 32.
Qf5+ g6 33. Qd7 Qf6 34. a4 Rb6 35. Rd3 Qa1+ 36. Kh2 Qe5+ 37. Kg1 Qe1+ 38. Kh2
Qe5+ 39. g3 Qf6 40. Kg2 Re6 41. Rf3 Qe7 42. Rxf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Gazineu Neto, Rubens"]
[Black "Silva, Joao Fernandes"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "95"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 a6 5. Ba4 Ng6 6. d4 exd4 7. Nxd4 Be7 8.
O-O O-O 9. Nf5 Bf6 $146 ({RR} 9... d6 10. Nd5 Bf6 11. c3 Bxf5 12. exf5 Nge5 13.
Re1 b5 14. Bc2 Nb8 15. a4 bxa4 16. Rxa4 c6 17. Nf4 d5 18. Nh5 Nbd7 19. Be3 Nc4
20. Bc1 Re8 21. h3 Rxe1+ 22. Qxe1 Nc5 23. Ra2 a5 24. Qe2 {Nikologorsky,M (2182)
-Milchev,N (2386) chess.com INT 2023 1-0 (73)}) 10. Nd5 b5 11. Bb3 Na5 12. Qf3
Nxb3 13. Nxf6+ Qxf6 14. Nh6+ Kh8 15. Qxf6 gxf6 16. axb3 d6 17. f3 Ne7 18. g4 d5
19. Re1 dxe4 20. Rxe4 Be6 21. c4 f5 22. Bg5 Ng8 23. Nxf5 Bxf5 24. gxf5 f6 25.
Bf4 c6 26. Re6 bxc4 27. bxc4 Rfc8 28. Rd1 a5 29. Rdd6 Ra6 30. Bd2 Rc7 31. Bc3
Kg7 32. Kf2 a4 33. Bxf6+ Nxf6 34. Rxf6 Rf7 35. Rxf7+ Kxf7 36. Kg3 Rb6 37. Rd7+
Kg8 38. Ra7 Rb4 39. c5 Rc4 40. f4 Rxc5 41. Rxa4 Rxf5 42. Rc4 Rf6 43. Kg4 h6 44.
b4 Kf7 45. Re4 Kg6 46. Re5 Rd6 47. Rc5 Re6 48. f5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Guimaraes, Diogo Duarte"]
[Black "Mota, Romulo Cardoso"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bg7 7. Nxc6 bxc6 8.
e5 Ng8 9. Qf3 e6 10. Bf4 Qa5 11. O-O-O Bxe5 12. Ne4 f5 13. Bxe5 Qxe5 14. Nd6+
Ke7 15. Bxe6 Kf8 $146 ({RR} 15... dxe6 16. Qxc6 Nf6 17. Qxa8 Qc5 18. Rhe1 Rf8
19. Nxc8+ Rxc8 20. Qb7+ Rc7 21. Qb3 Qc6 22. f3 Kf7 23. Rd2 Nd5 24. Re5 Rb7 25.
Qa3 Qc7 26. Rexd5 exd5 27. Qd3 Rb6 28. Qxd5+ Ke7 29. Qg8 Qxh2 30. Qd8+ {
Schmid,L-Christoffel,M Luzern 1952 1-0 (31)}) 16. Rhe1 Qf6 17. Nxc8 Rxc8 18.
Bxd7 Rb8 19. Qa3+ Kf7 20. Be6+ Kg7 21. Rd7+ Kh6 22. Qh3+ Kg5 23. f4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Jenidarchiche, Douglas"]
[Black "Molina, Roberto Junio"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. Re1 e5 8. e4
d4 9. a4 O-O 10. Nc4 Nd7 11. Bh3 Qc7 12. Bd2 $146 ({RR} 12. a5 Nf6 13. Bf5 g6
14. Bxc8 Rfxc8 15. c3 b5 16. axb6 axb6 17. Rxa8 Rxa8 18. Qb3 Nd7 19. Bh6 Qa7
20. cxd4 cxd4 21. Rc1 Bc5 22. Nxb6 Rb8 23. Ng5 Nd8 24. Qd5 Bxb6 25. Qd6 Bc5 26.
Rxc5 Qxc5 {Gabuzyan,H (2616)-Akobian,V (2627) Saint Louis USA 2019 1-0}) 12...
Nb6 13. Nxb6 Qxb6 14. Bxc8 Raxc8 15. a5 Qc7 16. Qe2 Qd7 17. Kg2 Rce8 18. Ng5 f6
19. Nh3 Bd8 20. g4 Bc7 21. Rg1 g6 22. f4 exf4 23. Nxf4 f5 24. gxf5 Rxf5 25. Qg4
Ne5 26. Qg3 Rf7 27. Nd5 Bd8 28. Bf4 Nc6 29. Bd6 Re6 30. Bxc5 Re5 31. Kh1 Rxd5
32. exd5 Qxd5+ 33. Qg2 Qxc5 34. a6 bxa6 35. Rxa6 Bb6 36. Ra4 Ne5 37. Re1 Ng4
38. Re8+ Kg7 39. Rc4 Qh5 40. h3 Nf2+ 41. Kh2 Nxh3 42. Kg3 Ng5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Lage, Pedro"]
[Black "Oliveira Filho, Fernando"]
[Result "1-0"]
[ECO "E04"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 e6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 Nf6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4
b6 $146 ({RR} 8... cxd4 9. Nxd4 Nxd4 10. Qxd4 Bc6 11. Bxc6+ bxc6 12. Qa4 Qb6
13. Be3 Qb5 14. Nc3 Qxa4 15. Nxa4 Nd5 16. Bd4 f6 17. e4 Nb4 18. Rfc1 Kd7 19.
Rc4 Bd6 20. Rd1 Kc7 21. Bc5 Bxc5 22. Nxc5 Kb6 23. a3 {Simic,R (2440)-Maric,D
Bela Crkva 1987 1-0}) ({RR} 8... cxd4 9. Nxd4 Nxd4 10. Qxd4 Bc6 11. Bxc6+ bxc6
12. Qa4 Qb6 13. Nd2 Be7 14. Nc4 Qb5 15. Qc2 O-O 16. b3 a5 17. a4 Qb7 18. Bd2
Bb4 19. Rfd1 Bxd2 20. Rxd2 Qb4 21. Rad1 Rab8 22. Rd3 Nd5 23. e4 {Wagner,D 
(2588)-Tokman,A (2330) chess.com INT 2023 1-0 (32)}) ({RR} 8... Nxd4 9. Nxd4
cxd4 10. Qxd4 Bc6 11. Bxc6+ bxc6 12. Qxd8+ Rxd8 13. Be3 a6 14. Rc1 Nd5 15. Bd2
c5 16. Na3 Be7 17. Nc4 O-O 18. a3 Bf6 19. Ba5 Rb8 20. e4 Ne7 21. e5 Bg5 22. f4
Bh6 23. Bc7 {Lazavik,D (2544)-Goltsev,D (2216) chess.com INT 2023 1-0 (32)}) 9.
Rd1 Rc8 10. Ne5 Na5 11. Qd3 cxd4 12. Bg5 Be7 13. Qxd4 Bb5 14. Nc3 Qxd4 15. Rxd4
Bc6 16. Nxc6 Nxc6 17. Rc4 Bc5 18. Bxf6 gxf6 19. Ne4 Ne5 20. Rc3 Ke7 21. Rac1 f5
22. Nxc5 Rxc5 23. Rxc5 bxc5 24. Rxc5 Kd6 25. Ra5 Rc8 26. Ra6+ Kc7 27. Rxa7+ Kb6
28. Rb7+ Ka6 29. h3 Rc1+ 30. Kh2 Rc2 31. Rb4 Ka5 32. a3 Rxe2 33. Bf1 Re1 34.
Kg2 Nc6 35. Rb5+ Ka4 36. Rb7 Na5 37. Rb4# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Lima da Silva, Fabio"]
[Black "do Nascimento, Maycon"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 Nc6 4. Bxf6 exf6 ({RR} 4... gxf6 5. e3 Bg4 6. Be2 e6
7. O-O Ne7 8. c4 c6 9. Nc3 dxc4 10. a4 Ng6 11. Nd2 Bxe2 12. Qxe2 f5 13. a5 Bg7
14. Nxc4 O-O 15. a6 b6 16. g3 Qe7 17. Rfd1 Rfd8 18. Qc2 Rd7 19. Rd3 {Ehlvest,J
(2650)-Dubois,J (2285) France 1991 1-0 (37)}) 5. e3 Bd6 ({RR} 5... Bb4+ 6. Nbd2
O-O 7. a3 Bd6 8. c4 Be6 9. cxd5 Bxd5 10. Bd3 Ne7 11. Nc4 c5 12. Nxd6 Qxd6 13.
Rc1 cxd4 14. Nxd4 Bxg2 15. Rg1 Qxh2 16. Kd2 Bc6 17. Qe2 g6 18. Nxc6 bxc6 19.
Rh1 Qe5 20. Kc2 {Keyworth,P-Paul,A chess.com INT 2020 0-1 (73)}) 6. Bd3 $146 ({
RR} 6. a3 O-O 7. c4 dxc4 8. Bxc4 Bg4 9. Nbd2 Qe7 10. Rc1 Nxd4 11. O-O Nxf3+ 12.
Nxf3 Rad8 13. Qe2 Bf5 14. Nd4 Bg6 15. Nb5 a6 16. Nc3 b5 17. Ba2 c6 18. Qf3 Qe5
19. g3 Rc8 20. Bb1 Bxb1 {Bosma,A (1869)-Baumann,B (1618) Koblenz 2000 1-0 (56)}
) 6... O-O 7. c3 f5 8. Qc2 Ne7 9. Nbd2 a5 10. h3 Be6 11. g4 Qd7 12. O-O-O b6
13. Rdg1 a4 14. Nh4 Rfb8 15. gxf5 a3 16. b3 c5 17. fxe6 Qxe6 18. Bxh7+ Kh8 19.
Nf5 Qh6 20. Nxh6 gxh6 21. Nf3 cxd4 22. Nxd4 Rc8 23. Bf5 Rc7 24. Nb5 Rc6 25. Bd7
Rc7 26. Nxd6 Rf8 27. Ne8 f5 28. Nxc7 h5 29. Qd1 Rf7 30. Qxh5+ Rh7 31. Qe8+ Ng8
32. Qxg8# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Lima, Darcy Gustavo"]
[Black "Andrade, Guilherme Souza"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2
O-O 9. O-O b5 10. Re1 ({RR} 10. a4 b4 11. Nd5 Nxd5 12. Qxd5 Ra7 13. Be3 Be6 14.
Qd3 Rb7 15. Rfc1 Qc7 16. a5 Nd7 17. Bf1 Ra8 18. Nd2 Nc5 19. Bxc5 dxc5 20. Nc4
Rd8 21. Qe3 Rd4 22. Nb6 c4 23. c3 bxc3 24. Qxc3 Rxe4 {Nepomniachtchi,I (2773)
-Vachier Lagrave,M (2780) Abidjan CIV 2019 1/2-1/2 (71)}) 10... Qc7 $146 ({RR} 
10... Bb7 11. Nd2 b4 12. Nd5 Nxd5 13. exd5 Nd7 14. Nc4 Rc8 15. b3 Nb6 16. Ne3
f5 17. Bh3 f4 18. Be6+ Kh8 19. Ng2 Rc5 20. gxf4 Nxd5 21. fxe5 Qb6 22. Bxd5 Rxd5
23. Be3 Qc6 24. Qg4 dxe5 25. Rad1 {Rodriguez Turino,L (2213)-Sanchez Alvarez,R
(2307) Santa Clara 2010 0-1 (34)}) ({RR} 10... Bb7 11. a4 b4 12. Nd5 Nxd5 13.
exd5 a5 14. Bd2 Nd7 15. c3 bxc3 16. Bxc3 Qb6 17. Ra3 Nc5 18. Nd2 Nd3 19. Re3
Nxf2 20. Kxf2 Bg5 21. Nc4 Qc5 22. Qg4 h6 23. h4 f5 24. Qe2 f4 25. hxg5 {
Levitskiy,A (2318)-Avazkhonov,A (1538) chess.com INT 2023 1-0 (61)}) 11. Nd2
Nc6 12. Nf1 Be6 13. Nd5 Bxd5 14. exd5 Nb8 15. Ne3 g6 16. Bd2 Nbd7 17. a4 Nb6
18. axb5 axb5 19. b3 Rxa1 20. Qxa1 Ra8 21. Qd1 Qc5 22. Qe2 b4 23. Rd1 Ra2 24.
Be1 e4 25. Qd2 Nbd7 26. Qxb4 Qa7 27. Bxe4 Ne5 28. Bg2 h5 29. h3 Nfd7 30. Bc3
Bf6 31. Qxd6 Nf3+ 32. Bxf3 Bxc3 33. Qe7 Bd4 34. Rxd4 Qxd4 35. Qxd7 Ra1+ 36. Kg2
Qd2 37. Qe8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Lima, Vinicius Taishun"]
[Black "Rodrigues, Edgar"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5
9. dxc5 Bxc5 10. Bd3 Qb6 11. Bf2 O-O ({RR} 11... h6 12. a3 O-O 13. O-O f6 14.
exf6 Nxf6 15. Rae1 Bd7 16. b4 Bxf2+ 17. Qxf2 Qxf2+ 18. Kxf2 g5 19. Ne2 Rf7 20.
fxg5 hxg5 21. Kg1 Rg7 22. Nxg5 Rxg5 23. Rxf6 Rf8 24. Rxf8+ Kxf8 25. Nf4 Kf7 26.
g3 {Deac,B (2679)-Grischuk,A (2764) chess.com INT 2022 1-0 (52)}) 12. O-O f6
13. exf6 ({RR} 13. Bxc5 Nxc5 14. Kh1 f5 15. Qf2 Bb7 16. g4 d4 17. gxf5 Nxd3 18.
cxd3 Rxf5 19. Ne4 Raf8 20. Qg3 Ne7 21. Nh4 R5f7 22. Kg1 Nd5 23. Ng2 Ne3 24. Rf2
Nf5 25. Qh3 Rc7 26. Nd6 Ba8 27. Nh4 Qc6 {Rodi,L (2344)-Rodrigues,E (2318) Sao
Bernardo do Campo 2015 0-1 (56)}) 13... Nxf6 14. h3 $146 ({RR} 14. Kh1 Bd7 15.
Rae1 Rae8 16. a3 Bxf2 17. Rxf2 b4 18. Na4 Qa7 19. Rfe2 bxa3 20. bxa3 e5 21.
fxe5 Nxe5 22. Nxe5 Bxa4 23. Qb4 Bb5 24. a4 Bxd3 25. cxd3 Qc7 26. Qd4 Re6 27.
Nf3 Rxe2 28. Rxe2 Rb8 {Garcia Ramos,D (2362)-Cruz,F (2304) Barcelona ESP 2020
1/2-1/2 (33)}) ({RR} 14. Rae1 Bxf2+ 15. Qxf2 Qxf2+ 16. Kxf2 Ng4+ 17. Kg3 Nf6
18. Ne5 Nd4 19. Ne2 Nxe2+ 20. Rxe2 Ra7 21. Kh4 Rc7 22. g4 Bb7 23. Kg3 Ne4+ 24.
Kg2 g6 25. h4 Kg7 26. g5 h5 27. gxh6+ Kxh6 28. Kh3 Rf6 {Akash,G (2483)-Gutkin,
I (2273) chess.com INT 2023 1-0 (66)}) 14... Bb7 15. a3 Rae8 16. Rae1 Bxf2+ 17.
Qxf2 Qc7 18. Qh4 g6 19. Qg5 Qg7 20. Rf2 Nh5 21. Ne5 Rf6 22. Ng4 Rff8 23. Ne5 b4
24. Na4 bxa3 25. bxa3 Nd4 26. Nc5 Bc8 27. a4 Nf6 28. g4 Nd7 29. Nexd7 Bxd7 30.
c3 Nc6 31. Nxd7 Qxd7 32. Bxa6 Qg7 33. Rf3 Qa7+ 34. Rfe3 Qxa6 35. f5 e5 36. fxg6
Re6 37. gxh7+ Kxh7 38. Qh5+ Rh6 39. Qg5 Qxa4 40. Rxe5 Nxe5 41. Qxe5 Qa7+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Limp, Eduardo Thelio"]
[Black "da Rosa, Henrique"]
[Result "1-0"]
[ECO "D19"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O
O-O 9. Qe2 Nbd7 10. e4 Bg6 11. e5 Nd5 12. Nxd5 cxd5 13. Bd3 Bh5 14. Qe3 Be7 15.
a5 a6 16. Bd2 Nb8 17. Bc3 ({RR} 17. h3 Nc6 18. g4 Bg6 19. Bxg6 fxg6 20. Ne1 g5
21. Nd3 Qe8 22. Rac1 Qg6 23. f3 Rac8 24. Rc3 Na7 25. f4 Rxc3 26. bxc3 gxf4 27.
Qf3 Nc6 28. Ra1 Qe8 29. Qd1 g5 30. Bc1 Qg6 31. Qf3 Bd8 {Stearman,J (2413)-Yu,J
(2247) Charlotte USA 2021 1-0 (43)}) 17... Nc6 18. Ne1 f5 $146 ({RR} 18... Bg6
19. f4 Qd7 20. Kh1 Bxd3 21. Nxd3 f6 22. exf6 Rxf6 23. Ne5 Nxe5 24. dxe5 Rff8
25. Rad1 Rac8 26. f5 Rxf5 27. Rxf5 exf5 28. e6 Qd6 29. h3 Re8 30. Qf3 Qxe6 31.
Rxd5 Bf6 32. Rxf5 Bxc3 33. bxc3 {Ashwin,J (2473)-Bakre,T (2507) Aurangabad
2011 1/2-1/2 (40)}) 19. exf6 Rxf6 20. f4 Bd6 21. g3 Bg4 22. Nf3 Ne7 23. Ne5 Bh3
24. Rf2 h5 25. Bf1 Bf5 26. Bg2 Rh6 27. Qe2 Qe8 28. Re1 Bxe5 29. fxe5 Qg6 30.
Bd2 Rh8 31. Rf4 Rc8 32. Bc3 Qg5 33. Qf2 Ng6 34. h4 Qe7 35. Rxf5 exf5 36. Bxd5+
Kh7 37. Qxf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Lopes, Wendell"]
[Black "Felicio, Leonardo"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Be3 Nh6 ({RR} 6... cxd4
7. Bxd4 Nf6 8. Qb3 Qe4+ 9. Be3 O-O 10. Nbd2 Qf5 11. Nd4 Qd7 12. N2f3 Nc6 13.
O-O-O Qc7 14. h3 Na5 15. Qb4 b6 16. Nb3 Nxb3+ 17. axb3 Bf5 18. Ba6 e5 19. Rhe1
Rad8 20. Bc4 h6 21. Qb5 {Vajda,L (2582)-Areshchenko,A (2650) Plovdiv 2008 0-1 
(31)}) 7. Be2 $146 ({RR} 7. dxc5 Qxd1+ 8. Kxd1 Ng4 9. Nbd2 O-O 10. Bb5 Bd7 11.
Bc4 Nxe3+ 12. fxe3 Bc6 13. Rc1 Nd7 14. b4 a5 15. a3 axb4 16. axb4 Ra3 17. Bb3
Ne5 18. Kc2 Ng4 19. Rhe1 Rd8 20. h3 Ne5 21. Nxe5 Rxd2+ {Ribeiro,F (2325)-Gulko,
B (2615) San Sebastian 1996 0-1 (55)}) ({RR} 7. dxc5 Qxd1+ 8. Kxd1 Ng4 9. Nbd2
Nxe3+ 10. fxe3 O-O 11. Bc4 Na6 12. Nb3 Bf5 13. Ke2 Rac8 14. Bxa6 bxa6 15. Rhd1
a5 16. Nxa5 Rxc5 17. Nb3 Rc7 18. h3 Rb8 19. Rd5 Be6 20. Ra5 Bxb3 21. axb3 Rxb3
{Kovalevsky,S (2163)-Tregubov,P (2567) chess.com INT 2023 0-1 (66)}) 7... Nf5
8. c4 Nxe3 9. fxe3 Qe4 10. Qd3 Qxd3 11. Bxd3 cxd4 12. exd4 Nc6 13. Nc3 Nxd4 14.
Nxd4 Bxd4 15. O-O-O Bxc3 16. bxc3 b6 17. Be4 Rb8 18. Bc6+ Kf8 19. Rd8+ Kg7 20.
Rhd1 Be6 21. Rxh8 Rxh8 22. Bd5 Rd8 23. Kb2 Bf5 24. Kb3 e6 25. Bf3 Rxd1 26. Bxd1
Be4 27. g3 Bc6 28. Kb4 Kf6 29. c5 e5 30. h4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Marquezini, Paulo E"]
[Black "Cilento, Lucas"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 Nc6 8.
O-O d6 9. Nd5 Nxd5 10. exd5 Ne7 11. Bc4 $146 ({RR} 11. c3 Bc5 12. b4 Ba7 13.
Bc2 Bg4 14. Be3 Ng6 15. Bxg6 hxg6 16. Bxa7 Rxa7 17. Qd3 Ra8 18. Nd2 Qh4 19. Qg3
Bf5 20. Qxh4 Rxh4 21. a4 Rc8 22. Rac1 Bd3 23. Rfe1 Bc4 24. Nxc4 Rhxc4 25. b5 a5
{Janos,M-Jozefek,M (1931) Liptovsky Mikulas 2011 0-1}) 11... b5 12. Bb3 O-O 13.
a3 Bc5 14. Be3 Qb6 15. Qd3 Bf5 16. Qd2 Rac8 17. Rad1 Bg6 18. c3 h6 19. Nh4 Bh5
20. Rde1 Bxe3 21. fxe3 f5 22. Kh1 g5 23. Nf3 Kg7 24. h3 Qb7 25. Rg1 Rc5 26. g4
fxg4 27. hxg4 Rxf3 28. gxh5 Nxd5 29. Kh2 Qf7 30. Kg2 Qxh5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Marra, Eduardo"]
[Black "Assad, Leonardo"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. Nc3 Nc6 6. O-O d6 ({RR} 6... e5 7. d3
d6 8. Nd2 Nf6 9. Nc4 Be7 10. f4 O-O 11. f5 Nd4 12. Ne3 b5 13. g4 b4 14. Ne2 h6
15. Ng3 d5 16. c3 bxc3 17. bxc3 Nb5 18. c4 dxc4 19. Nxc4 Ba6 20. g5 hxg5 21.
Bxg5 {Osmak,Y (2449)-Syaputra,A (2239) chess.com INT 2023 0-1 (40)}) 7. d4 cxd4
8. Nxd4 a6 $146 ({RR} 8... Rc8 9. Re1 Be7 10. Be3 Nf6 11. Ncb5 Nxd4 12. Qxd4 e5
13. Qa4 Bc6 14. Qa6 Bxb5 15. Qxb5+ Qd7 16. Qxd7+ Nxd7 17. c3 Nc5 18. Red1 O-O
19. h4 Rc7 20. a4 Nb3 21. Ra2 Rb8 22. Bf1 g6 23. Kg2 {Solodovnichenko,Y (2629)
-Santolini,L (2197) Padova 2011 1-0 (45)}) 9. Be3 Qc7 10. Re1 Nf6 11. Nxc6 Bxc6
12. Nd5 Bxd5 13. exd5 e5 14. f4 Nd7 15. fxe5 Nxe5 16. Bd4 f6 17. Bh3 Be7 18.
Be6 Qc4 19. Re4 g6 20. Rf4 Qc7 21. Qf1 Rf8 22. Qe2 Rb8 23. Qxa6 Bd8 24. Bxe5
dxe5 25. Rc4 Qb7 26. Qb5+ Ke7 27. Qb4+ Ke8 28. d6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Matsuura, Everaldo"]
[Black "Pessoa, Marcio"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 Qc7 6. Bb3 Bg4 7. f3 Bf5 8.
Nc3 e6 9. Nge2 Nf6 10. O-O a6 11. Ng3 $146 ({RR} 11. Bf4 Bd6 12. Rc1 Bxf4 13.
Nd5 Nxd5 14. Rxc7 Bxc7 15. Bxd5 exd5 16. Qb3 Bd7 17. Qxb7 Bc6 18. Qxc7 {
1-0 (18) Bornholdt,J (2304)-Silvestre,C (1942) chess.com INT 2022}) 11... Bg6
12. d5 Bd6 13. dxe6 O-O 14. f4 fxe6 15. Bxe6+ Kh8 16. f5 Be8 17. Bg5 Bc6 18.
Qd3 Ng4 19. Kh1 Bc5 20. Qe2 Nf6 21. Bf4 Qb6 22. Nge4 Nxe4 23. Nxe4 Bb5 24. Qh5
Be7 25. Rf3 Rxf5 26. Qxf5 Be8 27. Rh3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Mazetto, Sergio Luiz"]
[Black "da Cruz, Emerson"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "138"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 Bf5 5. Nf3 ({RR} 5. Nd2 c6 6. Ne2 Nd7 7.
g3 Qb6 8. b3 Ba3 9. Bg2 Qa6 10. O-O O-O 11. Nf4 h6 12. e4 dxe4 13. Nxe4 Rfe8
14. Re1 Re7 15. Re3 Rae8 16. Qe1 Bh7 17. Nd3 f5 18. Nd2 f4 19. Nxf4 Rxe3 {
Sideif Sade,F (2412)-Filippov,A (2483) Moscow 2005 0-1}) 5... Nd7 ({RR} 5... c6
6. Bd3 Bxd3 7. Qxd3 Bd6 8. O-O O-O 9. e4 dxe4 10. Qxe4 Re8 11. Qd3 Nd7 12. a3
a5 13. c4 g6 14. Nc3 f5 15. Qc2 Nf6 16. Rad1 Qc7 17. Rfe1 Rxe1+ 18. Rxe1 Re8
19. Rxe8+ Nxe8 20. h3 {Levin,G (2409)-Gavrilin,R (2156) Mexico City MEX 2023
1-0 (37)}) 6. c4 dxc4 7. Bxc4 c5 $146 ({RR} 7... Nb6 8. Bb3 Bb4+ 9. Nc3 O-O 10.
O-O c6 11. Nh4 Qd7 12. Qf3 Bg4 13. Qg3 Rae8 14. Bc2 Bd6 15. f4 Nc4 16. Ne4 Rxe4
17. Bxe4 Re8 18. h3 Rxe4 19. Qxg4 Qe8 20. Nf5 Bf8 21. Rae1 Nxe3 22. Qf3 {
Povah,N (2334)-Chin,F (2275) Sunningdale 2008 1-0}) 8. Nc3 Nb6 9. Bb5+ Nd7 10.
O-O a6 11. Be2 Bg4 12. a3 Rc8 13. h3 Bh5 14. Re1 Be7 15. d5 Bd6 16. Nh4 Bxe2
17. Qxe2 g6 18. Qd2 O-O 19. Nf3 Re8 20. e4 b5 21. Qc2 c4 22. Re2 Nc5 23. Nd4
Qb6 24. Nc6 Nb3 25. Rd1 Be5 26. Kh1 Rxc6 27. dxc6 Nd4 28. Rxd4 Bxd4 29. Nd5
Qxc6 30. Qd2 Qc5 31. Qf4 Kg7 32. Nc7 Rc8 33. Nxa6 Qh5 34. Qg4 Qxg4 35. hxg4 Bc5
36. Rd2 Rc6 37. Nb4 Bxb4 38. axb4 c3 39. bxc3 Rxc3 40. Rd5 Rc4 41. Rxb5 Rxe4
42. f3 Rc4 43. Kh2 f5 44. gxf5 gxf5 45. Rb6 f4 46. b5 Rb4 47. Kh3 Rb2 48. Rb8
Kf6 49. b6 Kg7 50. g3 fxg3 51. Kxg3 Kf6 52. Kg4 Rb4+ 53. Kh5 Kf5 54. Kh6 Kf4
55. Kxh7 f5 56. Kg6 Rb5 57. Kf6 Kxf3 58. Ke6 f4 59. Kd6 Kf2 60. Kc6 Rb3 61. Rf8
f3 62. b7 Rc3+ 63. Kd5 Rb3 64. b8=Q Rxb8 65. Rxb8 Kg2 66. Rg8+ Kh2 67. Rf8 Kg2
68. Ke4 f2 69. Rxf2+ Kxf2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Medeiros, Fabricio"]
[Black "Oliveira, Yuri Garcia"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Bc4 Bg7 5. Nf3 Nc6 6. O-O e6 7. d3 Nge7 8. Qe1
Na5 9. Bb5+ Bd7 10. Bxd7+ ({RR} 10. a4 a6 11. Bxd7+ Qxd7 12. f5 gxf5 13. exf5
Nxf5 14. Nd5 O-O 15. Nb6 Qc7 16. Nxa8 Rxa8 17. Bd2 Nc6 18. c3 d5 19. Nh4 Nxh4
20. Qxh4 Ne7 21. Qh5 Ng6 22. Bh6 Qe5 23. Qxe5 Nxe5 24. Bxg7 Kxg7 {Gerbelli
Neto,E (2114)-Ibadov,D (2308) chess.com INT 2022 0-1 (64)}) 10... Qxd7 11. Bd2
Nac6 12. a3 h6 $146 ({RR} 12... Rc8 13. Nh4 Nd4 14. Rc1 O-O 15. Qg3 b5 16. Qf2
f5 17. Nf3 Nec6 18. Nxd4 Nxd4 19. Qe1 b4 20. Nb1 a5 21. c3 Nb3 22. Rd1 Nxd2 23.
Qxd2 Qb5 24. c4 Qc6 25. Rde1 Rcd8 26. Qc2 Bh6 27. exf5 {Fracasso,F-Duran,L 
(2062) La Paz 2002 0-1 (32)}) 13. e5 d5 14. Nb5 Nxe5 15. Nxe5 Qxb5 16. b3 Qb6
17. Ba5 Qd6 18. b4 b6 19. bxc5 Qxc5+ 20. Kh1 Qxa5 21. c3 d4 22. Qe4 Qd5 23.
cxd4 Rd8 24. Qe3 Qxd4 25. Qf3 Qd5 26. Qe3 O-O 27. Rad1 Nf5 28. Qe1 h5 29. Kg1
Rc8 30. h3 h4 31. Nf3 Bf6 32. Qe2 Rc3 33. Rf2 Rfc8 34. Ne1 Bd4 35. Kh2 Ng3 36.
Qd2 Bxf2 37. Qxf2 Rc1 38. Rd2 Rb1 39. Nf3 Rh1# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Mekhitarian, Krikor"]
[Black "de Deus Filho, Joaquim"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. Nf3 f5 2. d3 Nf6 3. e4 e6 4. e5 Nd5 ({RR} 4... Ng8 5. d4 d5 6. Nc3 Be7 7. h4
c6 8. Bd3 b6 9. g4 fxg4 10. Ng5 Nh6 11. Nxh7 Ba6 12. Bg6+ Kd7 13. Ng5 Bxg5 14.
Bxg5 Qf8 15. Bxh6 Rxh6 16. Qxg4 Rxg6 17. Qxg6 Qf3 18. Rg1 Kc7 19. Qg4 {
Travnicek,K (2159)-Schoupal,P (1992) Czech Republic CZE 2022 1-0 (34)}) 5. c4 (
{RR} 5. d4 Be7 6. c4 Nb6 7. Nc3 d6 8. Be2 O-O 9. O-O Re8 10. Re1 N8d7 11. exd6
cxd6 12. Bd3 Nf8 13. b3 Bf6 14. Bf1 Ng6 15. Bb2 a6 16. a4 Nd7 17. a5 Ndf8 18.
b4 Bd7 19. Na4 Bxa4 {Mchedlishvili,M (2587)-Sanikidze,T (2508) Tbilisi 2015
1-0 (41)}) 5... Bb4+ 6. Nbd2 Nf4 7. d4 $146 ({RR} 7. g3 Ng6 8. a3 Be7 9. Bg2 c5
10. O-O Nc6 11. Re1 Qc7 12. Qe2 O-O 13. b4 b6 14. b5 Na5 15. Bb2 Bb7 16. Bc3
Rae8 17. h4 d6 18. exd6 Bxd6 19. h5 Nh8 20. Ne5 Nf7 21. Ndf3 Nb3 {Gmeiner,P 
(2234)-Wohlfart,P (2238) Germany 2006 1-0 (42)}) 7... b6 8. g3 Ng6 9. h4 h5 10.
Bg2 Bb7 11. O-O Be7 12. Re1 Nf8 13. d5 Na6 14. Nb3 Nc5 15. Nxc5 Bxc5 16. Ng5
Qc8 17. Be3 Bb4 18. Bd2 Be7 19. Qe2 a5 20. Rad1 g6 21. Nh3 Kf7 22. Bf3 Kg7 23.
Bg5 Bxg5 24. Nxg5 Rb8 25. Qe3 Qe8 26. Rd2 Ba6 27. b3 Bc8 28. Red1 Rg8 29. a3
Bb7 30. dxe6 dxe6 31. Bxb7 Rxb7 32. Rd8 Qe7 33. Qf3 c5 34. Qc6 Kh6 35. Re8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Melo, Igor"]
[Black "Ribeiro, Matheus D"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "110"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 b6 6. Bd3 ({RR} 6. c3 Bb7 7.
Nbd2 O-O 8. Bd3 Ne4 9. Qc2 f5 10. O-O Nd7 11. c4 Nxg3 12. hxg3 g6 13. Rac1 c5
14. cxd5 exd5 15. dxc5 bxc5 16. Rfd1 Qe7 17. Bb5 Nf6 18. Qa4 Rfc8 19. Ba6 Bc6
20. Qc2 Rcb8 {Artemiev,V (2653)-Grandelius,N (2643) Doha 2016 1-0 (63)}) 6...
Bb7 7. Qe2 ({RR} 7. Nbd2 O-O 8. O-O c5 9. c3 Ne4 10. Ne5 Nxg3 11. hxg3 Bxe5 12.
dxe5 d4 13. Qh5 h6 14. exd4 cxd4 15. c4 Nd7 16. Nf3 Bxf3 17. gxf3 Qg5 18. Qxg5
hxg5 19. Rfe1 Rfe8 20. Rad1 Rad8 21. Rd2 f6 {Adams,G (1604)-Kakulidis,E (2046)
Reykjavik ISL 2023 1/2-1/2 (40)}) 7... c5 $146 ({RR} 7... O-O 8. Nbd2 c5 9. c3
Qc7 10. dxc5 bxc5 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Bxe4 14. Qxe4 Nd7 15. Rd1
Bxg3 16. hxg3 Nf6 17. Qe5 Qb6 18. b3 Rfd8 19. O-O Rd5 20. Qe2 Rad8 21. c4 R5d6
22. Ne5 {Karas,M (2249)-Chumpitaz,A (2244) chess.com INT 2020 1-0 (41)}) 8. c3
Nc6 9. a3 O-O 10. Nbd2 Re8 11. Ne5 Qc7 12. f4 Ne7 13. Bh4 Ne4 14. Bb5 Rf8 15.
Bxe7 Qxe7 16. Nxe4 dxe4 17. Bc6 Bxc6 18. Nxc6 Qc7 19. Ne5 f6 20. Nc4 cxd4 21.
cxd4 Rac8 22. Nxd6 Qxd6 23. O-O Rc6 24. Rfc1 Rfc8 25. Qd2 a5 26. Rxc6 Qxc6 27.
Rd1 Kf7 28. Kf2 Ke7 29. b4 a4 30. g4 Qc3 31. f5 Qxd2+ 32. Rxd2 Rc3 33. Ra2 exf5
34. gxf5 Kd6 35. Kg3 Rxe3+ 36. Kf4 Re1 37. Rg2 Kd5 38. Rxg7 Rf1+ 39. Ke3 Rf3+
40. Ke2 Kxd4 41. Rb7 Rxa3 42. Rxb6 Ra2+ 43. Kf1 Rxh2 44. Rxf6 a3 45. Ra6 a2 46.
Kg1 Rb2 47. f6 Rb1+ 48. Kf2 a1=Q 49. Rxa1 Rxa1 50. f7 Ra8 51. b5 Rf8 52. b6
Rxf7+ 53. Ke2 e3 54. Ke1 Kd3 55. b7 e2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Messias, Jose Vitor"]
[Black "Cardoso, Lucas do Valle"]
[Result "0-1"]
[ECO "C31"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. Bb5+ c6 5. dxc6 bxc6 6. Bc4 ({RR} 6. Be2 Nf6 7.
d3 Bc5 8. d4 Bxd4 9. c3 Bb6 10. Qxd8+ Bxd8 11. Nd2 O-O 12. Nc4 Bc7 13. Bd2 Nd5
14. g3 Nd7 15. O-O-O Re8 16. Be3 Nxe3 17. Nxe3 Nc5 18. Kc2 a5 19. b3 a4 20. b4
Nd3 {Bjelanovic,M (1915)-Pucarevic,M (2178) Belgrade 2016 1/2-1/2 (57)}) 6...
Nf6 7. d4 ({RR} 7. Qe2 Bc5 8. Nc3 O-O 9. h3 a5 10. g3 Na6 11. a3 Nc7 12. Qg2
Ne6 13. Nge2 Nd4 14. Nxd4 Qxd4 15. Qe2 Re8 16. Nd1 Nd5 17. Ne3 Nb6 18. c3 Qd7
19. Ba2 Ba6 20. Qh5 Bxe3 21. dxe3 Rad8 {Zach,A (2280)-Fauth,D (2245) Bayern
2000 0-1}) 7... Bd6 8. Ne2 h5 $146 ({RR} 8... O-O 9. O-O Nbd7 10. a4 a5 11. Ba2
c5 12. d5 c4 13. Bxc4 Bc5+ 14. Kh1 Nb6 15. Ba2 Nbxd5 16. Nbc3 Nxc3 17. Nxc3 Bb7
18. Qe2 Qb6 19. Nd1 Rad8 20. Ne3 Ba6 21. c4 Rd3 22. Re1 Rfd8 23. g4 {Anderssen,
A-Neumann,G Berlin 1865 0-1}) 9. O-O g6 10. Nbc3 h4 11. d5 Bc5+ 12. Kh1 h3 13.
g3 Bg4 14. b4 Bb6 15. Bb2 Rh5 16. Qd2 Bf3+ 17. Rxf3 exf3 18. Nd4 cxd5 19. Bb5+
Kf8 20. Nxf3 d4 21. Re1 dxc3 22. Qxc3 Rxb5 23. Re8+ Kxe8 24. Qe1+ Kf8 25. c4
Rf5 26. Ne5 Rxe5 27. fxe5 Qd3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Moyses Sobrinho, Elias"]
[Black "Barbosa, Evandro Amorim"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
Qc2 Bf5 9. Bd3 ({RR} 9. Qc4 Qxc4 10. Bxc4 c5 11. Bd5 Nc6 12. Bxc6 bxc6 13. dxc5
Bd3 14. Nd4 Rfc8 15. f4 f6 16. Ne6 Bh8 17. Bd2 Kf7 18. Nd4 e5 19. fxe5 fxe5 20.
Ne2 Ke6 21. Bc3 Rd8 22. Rd1 Bf6 23. Ba5 Rd7 {Julve,P (2241)-Bernard,C (2349)
France 2010 1/2-1/2 (47)}) ({RR} 9. Qxc7 Nc6 10. a3 e5 11. dxe5 Nxe5 12. Be2
Rac8 13. Qe7 Bd3 14. Nxe5 Bxe2 {0-1 (14) Da Silva,A (1800)-Komatu,F (1568)
Escola de Xadrez Franca Garci 2022}) 9... Bxd3 10. Qxd3 Nd7 $146 ({RR} 10... c5
11. e4 Qd6 12. d5 Na6 13. Qe2 Rac8 14. O-O c4 15. a3 b5 16. g3 Nc5 17. Bf4 e5
18. Bd2 Qc7 19. Rab1 Nb3 20. Bc3 Rfe8 21. Rbd1 Rcd8 22. Qe3 Bf8 23. Qg5 Bg7 24.
h4 f6 25. Qe3 {Knischka,W (1911)-Chmel,K (2012) Klatovy 2013 0-1 (46)}) 11. O-O
c5 12. e4 Qd6 13. d5 Rac8 14. Bd2 Bxb2 15. Rab1 c4 16. Qc2 c3 17. Bc1 Bxc1 18.
Rfxc1 Rc7 19. Rb3 Rfc8 20. Nd4 a6 21. Ne2 b5 22. a3 Rc4 23. g3 Nc5 24. Rxc3
Nxe4 25. Rxc4 Rxc4 26. Qd3 Qc5 27. Rf1 Nc3 28. Ra1 Nxe2+ 29. Qxe2 Rc1+ 30. Rxc1
Qxc1+ 31. Kg2 Qxa3 32. Qe5 Qd6 33. Qe4 a5 34. f3 a4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Nascimento, Christian"]
[Black "Ferreira, Fernando G"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. Nbd2 Be7 8. O-O
O-O 9. Qe1 Bf5 ({RR} 9... Nd7 10. Ne5 Ndxe5 11. fxe5 Bh4 12. g3 Bg5 13. Nf3 Bh6
14. e4 Bxc1 15. Rxc1 cxd4 16. exd5 Bxf3 17. Rxf3 Qxd5 18. Be4 Qxe5 19. Bxc6
Qxe1+ 20. Rxe1 bxc6 21. cxd4 Rfd8 22. Ref1 f6 23. Rc3 Rac8 24. Re1 {Sellen,J 
(1547)-Hertog,A (1641) Cambridge ENG 2023 0-1}) 10. Bxf5 exf5 11. Ne5 cxd4 $146
({RR} 11... Ne4 12. Qe2 f6 13. Nxc6 bxc6 14. Rf3 g6 15. Rh3 Qd7 16. Qe1 Bd6 17.
Qh4 Rae8 18. Nf1 Qf7 19. Ng3 a5 20. Nxe4 Rxe4 21. Rg3 Rfe8 22. Rf3 cxd4 23.
cxd4 c5 24. Bd2 cxd4 25. exd4 g5 26. Qh6 {Faerevaag,E (1216)-Nilsen,J (1570)
Bergen 2006 1/2-1/2 (44)}) ({RR} 11... Rc8 12. Qg3 Ne4 13. Nxe4 fxe4 14. Qh3 f6
15. Qe6+ Kh8 16. Nf7+ Rxf7 17. Qxf7 cxd4 18. exd4 b5 19. a3 a5 20. Bd2 Qd7 21.
Qh5 g6 22. Qh3 f5 23. g3 Rb8 24. Kh1 b4 25. axb4 axb4 26. Rg1 {Rego,V (2479)
-Chomuszka (2467) lichess.org 2021 1-0 (35)}) 12. exd4 Ne4 13. Nxe4 fxe4 14. f5
Nxe5 15. dxe5 Qc7 16. Bf4 Qb6+ 17. Kh1 Qxb2 18. Rb1 Qxa2 19. f6 Bc5 20. Bh6 g6
21. Bxf8 Bxf8 22. Rxb7 Re8 23. Qg3 Qa6 24. Rfb1 Qe6 25. Rxa7 Qf5 26. Qh3 Rxe5
27. Ra8 Qxf6 28. Qc8 Qg7 29. Rbb8 e3 30. Qc5 Re7 31. Qxe7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Nascimento, Davi Araujo"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 {Ftacnik,L} c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 g6 ({RR} 5... Bg4
6. Be2 ({RR} 6. Qd3 Nbd7 7. h3 Bh5 8. Nxh5 Nxh5 9. Nf3 e6 10. g3) 6... Bxe2 7.
N1xe2 e6 8. Qd3 Nbd7 9. O-O Be7 10. c4 O-O 11. b3 Re8 12. Bb2 Qa5 13. Qf3 Rad8
14. Rfd1 Ba3) ({RR} 5... c5 6. Nf3 ({RR} 6. dxc5 Qxd1+ 7. Kxd1 e6 8. b4 a5)
6... e6 ({RR} 6... Nc6 7. Be3 Nd5 8. Be2 e6 9. O-O Be7 10. Bc1 O-O 11. dxc5
Bxc5) 7. Bd3 Nc6 8. dxc5 Bxc5 9. a3 O-O 10. O-O b6 11. b4 Be7 12. Bb2 Bb7) ({RR
} 5... e5 6. Nf3 exd4 7. Nxd4 ({RR} 7. Qxd4 Qxd4 8. Nxd4 Bc5 9. Ndf5 O-O 10.
Be3 Bxe3 11. Nxe3 Be6 12. O-O-O Nbd7) 7... Be7 8. Ndf5 Qxd1+ 9. Kxd1 Bf8 10.
Bc4 Be6 11. Re1 Kd7 12. Bxe6+ fxe6 13. Ne3) ({RR} 5... h5 6. h4 ({RR} 6. Bg5 h4
7. Bxf6 hxg3 8. Be5 Rxh2 9. Rxh2 Qa5+) 6... Qc7 ({RR} 6... Bg4 7. Be2 Bxe2 8.
N1xe2 Nbd7 9. Qd3) ({RR} 6... e5 7. Qe2 ({RR} 7. Nf3) 7... Qxd4 8. Nf3 Bb4+ ({
RR} 8... Qd5) 9. c3 Bxc3+ 10. bxc3 Qxc3+ 11. Qd2 Qxa1 12. Bc4) 7. Bc4 ({RR} 7.
Be2 Bg4 8. Bxg4 Nxg4) 7... Bg4 8. N1e2 e6 9. f3 Bd6) 6. Nf3 Bg7 7. Be2 O-O 8.
O-O Qc7 ({RR} 8... Qb6 9. b3 Bg4 ({RR} 9... a5 10. a4 ({RR} 10. Ba3) 10... Na6
11. h3 Nb4 ({RR} 11... Qc7)) 10. Bb2 ({RR} 10. Ba3 Nd5) 10... a5 11. a4 Nbd7 ({
RR} 11... Na6 12. Ne5 Bxe2 13. Qxe2) 12. h3 ({RR} 12. Nd2 Bxe2 13. Qxe2) 12...
Bxf3 13. Bxf3 Rad8 14. Qe2 ({RR} 14. Qe1 Nd5 ({RR} 14... Rfe8 15. Bc3 Ra8) 15.
Bxd5 cxd5 16. Qxe7 Bxd4 17. Bxd4 Qxd4 18. Rad1 Qc5 ({RR} 18... Qe5 19. Rfe1
Qxe7 20. Rxe7 Nc5 21. Rc7 b6 22. Rc6) 19. Rfe1) 14... Rfe8 15. Rfe1 Nf8 ({RR} 
15... e5 16. dxe5 Nd5 ({RR} 16... Nxe5 17. Bxe5 Nd7 ({RR} 17... Nd5 18. Bxd5
Rxd5 19. Bd4) 18. Bc7 Rxe2 19. Bxb6 Rxe1+ 20. Rxe1 Nxb6 21. Ne4) 17. Bxd5 cxd5
18. Qb5 Qxb5 19. axb5 Nxe5 20. Bxe5 Bxe5 21. Rxa5) 16. Qc4 Ne6 17. Rxe6 fxe6
18. Qxe6+ Kh8 19. Re1 ({RR} 19. h4 Rxd4 20. Bxd4 Qxd4) 19... Qb4 20. h4 Qd6 ({
RR} 20... Rd6 21. Qe2 b5 ({RR} 21... e5 22. dxe5 Nd5 23. Ne4 Bxe5 24. Nxd6) ({
RR} 21... Nd5 22. Ne4)) 21. Qh3 ({RR} 21. Qc4) 21... e6 ({RR} 21... Qd7 22. Re6
Qc8) 22. h5 gxh5 23. Re5 {Karpov,A (2705)-Larsen,B (2620) Tilburg 1979 MCL 
[Ftacnik,L] 1-0 (40)}) ({RR} 8... Bg4 9. h3 Bxf3 10. Bxf3) ({RR} 8... Bg4 9.
Re1 Nbd7 10. c3 Qc7 11. h3 Bxf3 12. Bxf3 e5 13. dxe5 Nxe5 14. Be2 Rad8 15. Qc2
Rfe8 16. Bg5 h6 17. Be3 Nd5 18. Bd2 Qb6 19. Rad1 a6 20. Bf1 Nd7 21. Bc1 Nc5 22.
h4 h5 23. Bg5 {Mendonca,L (2623)-Domingo Nunez,A (2338) chess.com INT 2023 1-0
(57)}) 9. Re1 $146 ({RR} 9. Ne5 c5 10. Bf4 Nd5 11. Qd2 Nxf4 12. Qxf4 cxd4 13.
Nd3 Qxf4 14. Nxf4 e5 15. Nd5 Nc6 16. a3 h5 17. Bb5 h4 18. Ne4 Bf5 19. Rfe1 Bxe4
20. Rxe4 g5 21. Bxc6 bxc6 22. Ne7+ Kh7 23. Nxc6 f5 {Gavilan21 (2306)-Rangel,D 
(2450) lichess.org 2021 0-1 (66)}) 9... Rd8 10. c3 Nbd7 11. Qb3 e5 12. Bc4 Nd5
13. Bg5 Re8 14. Bxd5 cxd5 15. Qxd5 Nb6 16. Qb3 Be6 17. Qb5 h6 18. Be3 Bc4 19.
Qa5 e4 20. Nd2 Bd3 21. f3 exf3 22. Nxf3 Rad8 23. Bf2 Bc4 24. Nd2 Bd5 25. Qb5
Bc6 26. Qa5 h5 27. Rxe8+ Rxe8 28. Re1 Rxe1+ 29. Bxe1 Qf4 30. Ngf1 Qg4 31. g3
Qh3 32. Ne3 Bh6 33. Ndf1 Nc4 34. Qd8+ Kg7 35. Kf2 Nxe3 36. Nxe3 Qxh2+ 37. Kf1
Bxe3 38. d5 Bb5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Nemeth Jr, Henrique"]
[Black "Lima, Lucas Taveira"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bd7 6. d3 a6 7. Bxc6 Bxc6 8.
fxe5 dxe5 9. Nxe5 Bd7 ({RR} 9... Qd4 10. Nxc6 bxc6 11. Qf3 Bc5 12. Ne2 Qd7 13.
c3 O-O 14. d4 Rad8 15. Bg5 Be7 16. Bxf6 Bxf6 17. O-O g6 18. Qxf6 Rb8 19. b3 a5
20. Rf3 c5 21. Nf4 Qd6 22. Nh5 Qxf6 23. Nxf6+ Kg7 24. Nd7 {Dabarera,G (1730)
-Martinus,H (1275) Negambo 2017 1-0 (47)}) 10. Bg5 $146 ({RR} 10. O-O h6 11.
Qe1 Qe7 12. Nxd7 Nxd7 13. Nd5 Qc5+ 14. Be3 Qc6 15. Qg3 O-O-O 16. Rxf7 g5 17.
Rxf8 {1-0 (17) Lang,M (2306)-Groemme/Kubilay Cevik Sontheim 2011}) 10... Be6
11. d4 c6 12. d5 cxd5 13. exd5 Bxd5 14. Bxf6 gxf6 15. Nxd5 fxe5 16. O-O Be7 17.
Qf3 Rf8 18. Rad1 Qa5 19. b4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Neves, Andrey de Souza"]
[Black "Farias, Sergio Luiz"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Re1 O-O 8.
Bxc6 Bxc6 9. dxe5 ({RR} 9. h3 exd4 10. Nxd4 Nd7 11. Nxc6 bxc6 12. b3 Bf6 13.
Bb2 Re8 14. Qf3 Re6 15. Re2 Qe7 16. Rae1 Re8 17. a3 Be5 18. g3 Qf6 19. Qd3 Qg6
20. Kh2 Nc5 21. Qc4 Bxc3 22. Qxc3 Nxe4 23. Qxc6 h5 {Kuba,G (2387)-Thiede,L 
(2441) Austria 2013 0-1 (31)}) ({RR} 9. b3 Re8 10. Bb2 Bf8 11. Qd3 Bd7 12. h3
c6 13. Rad1 Qa5 14. Nd2 Rad8 15. Nc4 Qc7 16. a4 Be6 17. d5 Bc8 18. Qe3 cxd5 19.
exd5 Bf5 20. Re2 Qb8 21. Rde1 Rc8 22. Qd2 Bg6 23. Rf1 Nh5 {Radovanovic,D (2321)
-Adzic,M (1998) Belgrade SRB 2019 1-0 (45)}) 9... Nd7 10. Bf4 Re8 $146 ({RR} 
10... dxe5 11. Nxe5 Nxe5 12. Bxe5 Bd6 13. Bxd6 cxd6 14. Qd4 Re8 15. Rad1 Re6
16. Re3 Qe7 17. Nd5 Bxd5 18. exd5 Rxe3 19. Qxe3 Re8 20. Re1 Kf8 21. Kf1 b6 22.
Qxe7+ Rxe7 23. Rxe7 Kxe7 24. Ke2 Kf6 25. f4 {Zygmanta,E (1947)-Jeriominas,J 
(1490) Kaunas 2015 1-0 (38)}) 11. exd6 cxd6 12. Bxd6 Qb6 13. Bxe7 Rxe7 14. Qd4
Qa5 15. b4 Qh5 16. b5 Bxb5 17. Qb4 Qc5 18. Qxc5 Nxc5 19. Nxb5 Nxe4 20. Nd6 f5
21. Nxf5 Rf7 22. g4 Nf6 23. Ne5 Rc7 24. c4 b6 25. Rad1 Re8 26. f4 h6 27. g5
hxg5 28. fxg5 Nh5 29. Ng6 Rxe1+ 30. Rxe1 Kh7 31. Nfh4 Rc6 32. Ne5 Rd6 33. g6+
Kg8 34. Nf7 Rxg6+ 35. Nxg6 Kxf7 36. Ne5+ Kf8 37. Rd1 Ke7 38. Nc6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Nunes Jr, Sidney"]
[Black "Braga, Marcelo Melem"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "29"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 e6 7. O-O c5 8. c4
$146 ({RR} 8. dxc5 Nc6 9. Bf4 Bxc5 10. Nc3 Qc7 11. Nb5 Qd7 12. Re1 O-O-O 13.
Nd6+ Bxd6 14. exd6 h6 15. c4 dxc4 16. Bxc6 bxc6 17. Rc1 Nf6 18. Qa4 Nd5 19.
Rxc4 Kb7 20. Rec1 Nxf4 21. Rxc6 Ne2+ 22. Kf1 Nxc1 {Strebkov,V-Shcheglov,V
Krasnodar 2009 1/2-1/2}) 8... cxd4 9. cxd5 exd5 10. Qxd4 Nc6 11. Qxd5 Nge7 12.
Qe4 Qd4 13. Qe2 Qxe5 14. Bxc6+ Nxc6 15. Qxe5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Okamura, Milton"]
[Black "Carvalho, Willian"]
[Result "1-0"]
[ECO "D93"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. h3 O-O 7. Nf3 Bf5 8. Qb3
Qd7 $146 ({RR} 8... Qb6 9. c5 Qxb3 10. axb3 Nbd7 11. Be2 Be4 12. O-O Bxf3 13.
Bxf3 h6 14. b4 a6 15. Rfd1 Rfe8 16. e4 dxe4 17. Bxe4 e6 18. Bh2 Nd5 19. Bxd5
exd5 20. Kf1 Rac8 21. Rd2 Re6 22. b5 axb5 23. Ra7 {Do Ngoc My,L-Le,P Can Tho
2003 1/2-1/2 (36)}) ({RR} 8... Qb6 9. c5 Qxb3 10. axb3 Nbd7 11. b4 a6 12. g4
Be4 13. Be2 Bxf3 14. Bxf3 e5 15. dxe5 Ne8 16. O-O-O Nxe5 17. Bg2 Nc7 18. Bg3
Nb5 19. e4 dxe4 20. Bxe4 Nc4 21. Rd3 Rfe8 22. f3 Rad8 23. Nxb5 {Volkov,S (2633)
-Movsesian,S (2695) Plovdiv 2008 0-1 (46)}) ({RR} 8... Qb6 9. c5 Qxb3 10. axb3
Nbd7 11. Ne5 Nxe5 12. Bxe5 g5 13. f3 Nd7 14. Bxg7 Kxg7 15. Kd2 e5 16. g4 Bg6
17. Bd3 f5 18. Rhf1 f4 19. Bxg6 fxe3+ 20. Kxe3 exd4+ 21. Kxd4 Kxg6 22. Ne2 Rae8
23. Rae1 {De Souza,C (2018)-Kouskoutis,G (2279) chess.com INT 2022 0-1 (39)})
9. Ne5 dxc4 10. Nxd7 cxb3 11. Nxf8 bxa2 12. Nxh7 Kxh7 13. Bc4 e6 14. f3 Nd5 15.
Bxd5 exd5 16. Rxa2 Nd7 17. Kd2 Nb6 18. b3 Bf8 19. h4 f6 20. g4 Be6 21. Kd3 Nd7
22. b4 Bxb4 23. Rb1 Bxc3 24. Kxc3 b6 25. Ra6 c5 26. Rba1 cxd4+ 27. exd4 Rc8+
28. Kd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Oliveira, Aquiles"]
[Black "Freitas, Mauricio"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. d4 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5
8. O-O cxd4 9. Nxd4 Be7 10. Re1 O-O 11. c3 Qa5 ({RR} 11... Bd7 12. Qf3 Bc6 13.
Qh3 Qd5 14. Bf4 Qh5 15. Qg3 Rad8 16. h3 Nd5 17. Be5 Qg5 18. Nxc6 Qxg3 19. Nxe7+
Nxe7 20. Bxh7+ Kxh7 21. Bxg3 Rd2 22. Rab1 Rfd8 23. Kf1 g5 24. Be5 Kg6 25. Bd4
Nc6 26. Be3 {Anand,V (2715)-Seirawan,Y (2585) Monte Carlo 1994 1-0 (64)}) ({RR
} 11... Bd7 12. Qf3 Qb6 13. b3 Bc6 14. Nxc6 Qxc6 15. Qxc6 bxc6 16. Bb2 Rfd8 17.
Rad1 Nd5 18. c4 Nb6 19. Be4 Rac8 20. Bc3 c5 21. Kf1 g6 22. Bf3 Kf8 23. Ke2 Nd7
24. Ba5 Nb6 25. Rh1 Rxd1 26. Rxd1 {Flores Rodriguez,A (1662)-Nassr,R (1509)
chess.com INT 2021 1/2-1/2 (50)}) 12. Qf3 $146 ({RR} 12. Bf4 Rd8 13. Qf3 Qh5
14. Qg3 Nd5 15. Be5 Qh6 16. Rad1 Bd7 17. Qf3 Bf6 18. Bxf6 Qxf6 19. Qe4 g6 20.
Bc4 Ba4 21. Rd3 Nb6 22. Rf3 Qg5 23. Rxf7 Nxc4 24. Qxb7 Qh6 25. Nxe6 Re8 26. Rf4
Nd6 {Burnoiu,N (2373)-Szilagyi,Z (2297) Miskolc 2005 1-0 (31)}) 12... Qh5 13.
Bf4 Qxf3 14. Nxf3 Rd8 15. Ne5 Nd5 16. Bg3 g6 17. Rad1 Bd7 18. Nxd7 Rxd7 19. Bc2
Rad8 20. Ba4 b5 21. Bxb5 Rb7 22. c4 Nb4 23. Rxd8+ Bxd8 24. Rd1 Bf6 25. a3 a6
26. Rd7 Rxd7 27. Bxd7 Nc2 28. c5 Nd4 29. Bb8 Kf8 30. Bc8 Nc6 31. Bd6+ Ke8 32.
Bxa6 Bxb2 33. Bb5 Kd7 34. a4 Bc3 35. f4 f6 36. g4 e5 37. f5 gxf5 38. gxf5 e4
39. Kf2 Be5 40. Bxe5 fxe5 41. a5 Kc7 42. Bxc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Oliveira, Tobias Luiz"]
[Black "Campelo, Danilo"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 h5 8. Qd2
Nbd7 9. O-O-O b5 10. Kb1 Bb7 11. Bd3 Rc8 ({RR} 11... Be7 12. Rhg1 Rc8 13. a3
Ne5 14. Qe2 Rxc3 15. bxc3 Qa5 16. Nb3 Qxc3 17. Bd2 Qc8 18. Na5 Ba8 19. g4 hxg4
20. fxg4 Nfd7 21. Bb4 Nb6 22. Bxb5+ axb5 23. Qxb5+ Nbd7 24. Rd2 Qc7 25. Rgd1
O-O 26. Qe2 {Mesquita,E (1971)-Wieczorek,O (2491) chess.com INT 2023 0-1 (32)})
12. h3 h4 13. Qf2 $146 ({RR} 13. Rhg1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Rde1
Qc7 17. Bf4 Qb6 18. Nf5 g6 19. Ne3 Bb7 20. Ng4 Bg7 21. Ne5 Nxe5 22. Bxe5 Bxe5
23. Qg5 Bg7 24. Bxg6 fxg6 25. Qxg6+ Kf8 26. g3 Qd4 27. c3 Qf6 {Kopica,P (1890)
-Antolak,J (2306) Chorzow POL 2021 0-1}) 13... Nh5 14. f4 Ng3 15. Rhe1 b4 16.
Nce2 Nxe4 17. Bxe4 Bxe4 18. Rc1 d5 19. g3 hxg3 20. Qxg3 Qh4 21. Qxh4 Rxh4 22.
Ng1 Bc5 23. Ndf3 Bxf3 24. Bxc5 Nxc5 25. Nxf3 Rxf4 26. Ne5 Re4 27. Rxe4 Nxe4 28.
h4 f6 29. Nf3 Kf7 30. Nd4 e5 31. Nf5 g6 32. Ne3 Ke6 33. Rd1 d4 34. Ng2 Rh8 35.
Re1 f5 36. Kc1 Kd5 37. b3 f4 38. Rf1 Ng3 39. Rf2 Nf5 40. Kd2 Nxh4 41. Nxh4 Rxh4
42. Rg2 Rh6 43. Kd3 Rh3+ 44. Kd2 Rg3 45. Rxg3 fxg3 46. Ke2 e4 47. Kf1 d3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Paludo, Nicolas"]
[Black "Santos, Matheus Garcett"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "104"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. O-O Nf6 5. d3 O-O 6. c3 a6 7. Bb3 b5 ({RR} 
7... d5 8. exd5 Nxd5 9. h3 Bf5 10. Re1 Nb6 11. Nxe5 Nxe5 12. Rxe5 Bg6 13. d4 c5
14. Re1 cxd4 15. cxd4 Bd6 16. Nc3 Qh4 17. Be3 Rad8 18. Qf3 Rd7 19. Rad1 Bh5 20.
g4 Bg6 21. Ne2 h5 22. Nf4 {Kochiev,I (2053)-Goldin,R (2323) chess.com INT 2023
1-0 (31)}) 8. Nbd2 d6 $146 ({RR} 8... Bb7 9. Re1 Bc5 10. Nf1 d6 11. Ng3 h6 12.
a3 Ne7 13. Nh4 d5 14. Qf3 dxe4 15. dxe4 Bb6 16. Bxh6 gxh6 17. Qxf6 Qd6 18. Qf3
Kh7 19. Rad1 Qc5 20. Nhf5 Bc8 21. Nh5 f6 22. Qg3 Ng6 23. Rd5 {Xu,Y (2280)
-Salvador,J Macau 1996 1-0}) 9. Re1 Na5 10. Bc2 c5 11. Nf1 Qc7 12. Ng3 g6 13.
h3 Re8 14. Be3 Bb7 15. Nh2 d5 16. Ng4 d4 17. Bg5 Nxg4 18. Qxg4 Bxg5 19. Qxg5
Qe7 20. Qg4 Bc8 21. Qf3 Be6 22. Ne2 Qg5 23. Red1 Rac8 24. Qg3 Qxg3 25. Nxg3
Red8 26. Ne2 dxc3 27. Nxc3 Nc6 28. Rd2 Nd4 29. Bd1 h5 30. Ne2 Nc6 31. a3 Rc7
32. Bc2 Rcd7 33. Rdd1 b4 34. b3 Rc7 35. a4 Nd4 36. Nxd4 cxd4 37. Rd2 Rdc8 38.
Ra2 Rc3 39. Rb2 a5 40. f3 Kg7 41. Kf2 Kf6 42. g4 hxg4 43. fxg4 Kg7 44. Kg2 f5
45. exf5 gxf5 46. g5 Kg6 47. h4 Kh5 48. Kf3 Bd5+ 49. Kg3 f4+ 50. Kh2 Kxh4 51.
Kg1 Kxg5 52. Kf2 Rh8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Panazzolo, Paulo"]
[Black "Santos, Marcus Vinicius"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. Be2 b5 6. O-O Bb7 7. a3 Nd7 8. Bg5 c5
9. d5 ({RR} 9. Re1 cxd4 10. Nxd4 Ngf6 11. Bf1 O-O 12. Qd2 Rc8 13. Rad1 Rxc3 14.
Qxc3 Nxe4 15. Qe3 Nxg5 16. Qxg5 Bf6 17. Qh6 Ne5 18. h3 Qb6 19. c3 Qc5 20. Nc2
Bg5 21. Qxf8+ Kxf8 22. Nd4 Nc6 23. Nc2 Bh4 {Mekhane,A (2280)-Romero Ruscalleda,
J (2179) chess.com INT 2023 0-1 (45)}) 9... Ngf6 10. Nd2 O-O 11. f4 Qc7 $146 ({
RR} 11... Qb6 12. Kh1 e6 13. Bf3 exd5 14. exd5 Rae8 15. Rb1 c4 16. b3 Qe3 17.
Nde4 Nxe4 18. Nxe4 Rxe4 19. f5 Qxg5 20. Bxe4 Nc5 21. Bf3 Qxf5 22. bxc4 bxc4 23.
Bg4 Qg5 24. Bf3 Be5 25. g3 Qe3 26. Bg2 {Arif,B (2062)-Sulyok,M (2217) Vienna
2006 0-1 (40)}) 12. Qe1 e6 13. dxe6 fxe6 14. Bf3 Rae8 15. Qh4 b4 16. Ne2 a5 17.
Ng3 c4 18. axb4 axb4 19. c3 bxc3 20. bxc3 Nc5 21. Kh1 Nd3 22. f5 Qc5 23. fxg6
hxg6 24. h3 Nh7 25. e5 Bxf3 26. Nxf3 Nxe5 27. Nxe5 Qxe5 28. Bf4 g5 29. Bxe5
gxh4 30. Bxg7 Kxg7 31. Ra7+ Kg6 32. Rxf8 Rxf8 33. Ne4 d5 34. Nc5 Rf1+ 35. Kh2
Ng5 36. Re7 Re1 37. Nd7 Re3 38. Nc5 Kf6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pasqualotto, Amos"]
[Black "Uczai, Joao Pedro"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Bb4 5. Bd2 O-O 6. e3 Qe7 7. Bd3 b6 8. a3
Bxc3 9. Bxc3 Bb7 10. O-O d6 11. Re1 Ne4 $146 ({RR} 11... Nbd7 12. Nd2 Ne4 13.
f3 Nxc3 14. bxc3 e5 15. Qc2 g6 16. e4 f4 17. Nf1 g5 18. Qf2 Kh8 19. Nd2 Rf6 20.
Kf1 Rg8 21. Ke2 g4 22. Rg1 g3 23. hxg3 fxg3 24. Qe3 Nf8 25. d5 Ng6 26. Nb3 {
Spencer,D-Spice,A (2193) Newport 2001 0-1 (33)}) 12. Rc1 Nd7 13. Be2 Rf6 14. d5
e5 15. Nd2 Raf8 16. Nxe4 fxe4 17. Rf1 Rg6 18. Qe1 Qg5 19. g3 Bc8 20. f4 exf3
21. Rxf3 Nf6 22. h4 Qxh4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Passos, Rafael Moreira"]
[Black "Pinheiro, Pedro"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 Nc6 4. Nc3 h6 ({RR} 4... a6 5. Bg5 Be7 6. Bxe7 Ngxe7
7. e3 O-O 8. Bd3 dxc4 9. Bxc4 Nf5 10. O-O Re8 11. Bb3 b6 12. Ba4 Bb7 13. e4 Nh4
14. Nxh4 Qxh4 15. d5 exd5 16. exd5 Rad8 17. Qc1 b5 18. dxc6 Bxc6 19. Bd1 {
Arsovic,G (2451)-Certic,B (2391) Belgrade 2003 0-1}) 5. cxd5 ({RR} 5. g3 Nf6 6.
Bg2 Be7 7. O-O O-O 8. e3 Re8 9. b3 b6 10. Bb2 Bf8 11. Rc1 Ne7 12. Qc2 Bb7 13.
Rfd1 c6 14. Ne5 Nd7 15. e4 dxe4 16. Nxe4 Nxe5 17. dxe5 Qc7 18. Nd6 Red8 19. Qe4
Rab8 {Kristjansson,A (2176)-Magnusson,T (1629) Reykjavik ISL 2021 1-0 (72)})
5... exd5 6. Bf4 $146 ({RR} 6. Qb3 Nf6 7. Bf4 Na5 8. Qc2 Bd6 9. Bxd6 Qxd6 10.
a3 O-O 11. Nb5 Qc6 12. Qxc6 bxc6 13. Nxc7 Rb8 14. b4 Nc4 15. e3 Nd6 16. Rc1 Rb6
17. Na8 Rb8 18. Rxc6 Nde4 19. Nc7 Ng4 20. Nxd5 Re8 {Molinari,M-Lopez,O
Chivilcoy 1995 0-1}) 6... Nf6 7. Nb5 Bb4+ 8. Nd2 Ba5 9. Qa4 Bd7 10. b4 Bb6 11.
e3 a6 12. Nc3 Nxd4 13. Qd1 Ne6 14. Be5 Bc6 15. Nf3 O-O 16. Bd3 Ng4 17. O-O Nxe5
18. Nxe5 d4 19. Nxc6 bxc6 20. exd4 Bxd4 21. Rc1 Bxc3 22. Rxc3 Qg5 23. Be4 Rad8
24. Qa1 Kh8 25. Rg3 Qe7 26. Re1 Rg8 27. Rh3 f6 28. Bf5 Rd6 29. Rhe3 Rgd8 30.
Bxe6 Rxe6 31. Rxe6 Qxb4 32. Re8+ Rxe8 33. Rxe8+ Kh7 34. Qe1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pereira, Geanfrancesco"]
[Black "Fonseca, Rogerio"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Qg5 6. a4 $146 ({RR} 6. Bc4
b5 7. d3 Qc5 8. Bb3 Bb7 9. Qf3 f6 10. Qg3 Ne7 11. Bf4 O-O-O 12. c3 Ng6 13. cxd4
Qxd4 14. Bxc7 Re8 15. Bb8 Qb6 16. Rc1+ Bc6 17. Bd6 Kb7 18. Nc3 Bxd6 19. Qxd6
Rc8 20. Nd5 Qd8 {Recio Carrillo,P-Valverde Lujan,C Valladolid 1988 1-0}) ({RR} 
6. Ba4 Nf6 7. d3 Qh4 8. Nd2 c6 9. Nf3 Qh5 10. e5 Nd5 11. Nxd4 Qh4 12. c3 c5 13.
Nf3 Qg4 14. h3 Qg6 15. c4 Nc7 16. d4 cxd4 17. Bc2 Qh5 18. Nxd4 Qxd1 19. Rxd1 b6
20. Be4 Rb8 {Becerra,J (2296)-Zverev,L (2307) chess.com INT 2022 0-1 (57)})
6... c6 7. d3 Qg6 8. Bc4 d5 9. exd5 Bh3 10. Qf3 Bg4 11. Qe4+ Ne7 12. Re1 Bf5
13. Qxd4 Bh3 14. g3 Qd6 15. Bf4 Qg6 16. d6 b6 17. dxe7 Bxe7 18. Qd6 Be6 19.
Qxc6+ Bd7 20. Qxa8+ Bc8 21. Qxc8# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pereira, Mateus Oliveira"]
[Black "Santanna, Paulo"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. a4 Nc6 5. O-O Qc7 ({RR} 5... d6 6. d4 cxd4 7.
Nxd4 Nf6 8. Nxc6 bxc6 9. e5 dxe5 10. Qxd8+ Kxd8 11. Bg5 Be7 12. Be3 Kc7 13. a5
Nd5 14. Bxd5 exd5 15. Bb6+ Kb7 16. Nd2 Bf5 17. Nf3 Bd6 18. Rac1 f6 19. h3 Bc7
20. Bxc7 {Sushkov,A (2275)-Shestakov,S (2342) Tula 2004 0-1 (48)}) ({RR} 5...
d6 6. c3 Nf6 7. Re1 Be7 8. d4 cxd4 9. cxd4 d5 10. exd5 Nxd5 11. Bxd5 Qxd5 12.
Nc3 Qd8 13. Ne5 Qxd4 14. Nxc6 Qxd1 15. Rxd1 bxc6 16. Bf4 f6 17. Ne4 e5 18. Be3
Rb8 19. Rac1 Rxb2 20. Rxc6 {Sousaslide (2067)-wagnerovsky (2487) lichess.org
2021 1/2-1/2 (68)}) 6. d4 cxd4 7. Nxd4 Nf6 8. Nxc6 $146 ({RR} 8. Re1 Nxd4 9.
Qxd4 Bc5 10. Qc3 Ng4 11. Be3 Qxh2+ 12. Kf1 Bxe3 13. fxe3 Qh1+ 14. Ke2 Qxg2+ 15.
Kd1 Nf2+ 16. Kc1 Nxe4 17. Qd4 d5 18. Bd3 O-O 19. Bxe4 Qxe4 20. Qc3 Bd7 21. Nd2
Qg6 22. Nf3 Rac8 {Jozefovic,M (1900)-Palka,M (1881) Slovakia 2014 0-1}) 8...
Qxc6 9. Qe2 Qxe4 10. Qxe4 Nxe4 11. Re1 Nf6 12. Nc3 Be7 13. b3 d5 14. Bd3 O-O
15. Ba3 Bxa3 16. Rxa3 Bd7 17. b4 Rfc8 18. h3 Rc7 19. Re2 Ne8 20. b5 d4 21. Nb1
axb5 22. axb5 Rxa3 23. Nxa3 Nd6 24. Re1 b6 25. Rc1 Kf8 26. Kf1 Ra7 27. Nc4 Nxc4
28. Bxc4 Ra4 29. Bd3 Rb4 30. c4 dxc3 31. Rb1 Rxb1+ 32. Bxb1 Bxb5+ 33. Ke1 Bc4
34. Kd1 b5 35. Bxh7 g6 36. g4 Kg7 37. Bxg6 Kxg6 38. f4 Bd3 39. f5+ exf5 40.
gxf5+ Kxf5 41. Kc1 b4 42. h4 b3 43. h5 b2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pimentel, Lucas Santos"]
[Black "Santos, Clecio Franca"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 e5 8. Bg5
h6 9. dxe5 ({RR} 9. Bc1 Nd7 10. e3 f5 11. b3 g5 12. dxe5 dxe5 13. e4 f4 14. g4
h5 15. h3 hxg4 16. hxg4 Nd4 17. Ba3 c6 18. Ne2 c5 19. Nexd4 exd4 20. Ne1 Qa5
21. Bb2 Ne5 22. f3 b5 23. cxb5 Qxb5 {Markovic,M (2286)-Amitpal,S (2102)
Arandjelovac SRB 2022 0-1 (40)}) 9... hxg5 10. exf6 Qxf6 $146 ({RR} 10... Bxf6
11. Rc1 Re8 12. b3 g4 13. Nd2 Ne5 14. Nde4 Bg7 15. Nd5 f5 16. Nec3 c6 17. Nb4
Qa5 18. Nd3 Nxd3 19. Qxd3 Bxc3 20. Rxc3 Qe5 21. Re1 Be6 22. Rc2 Kf7 23. Rd2
Rad8 24. Qd4 Qxd4 25. Rxd4 {Blees,T (1244)-Yang,W (1573) Haarlem 2012 1-0 (63)}
) ({RR} 10... Bxf6 11. Rc1 Re8 12. b3 Bf5 13. Qd2 g4 14. Ne1 Bg5 15. e3 Rb8 16.
Nd3 Qc8 17. Rfd1 Nd4 18. Ne1 Nc6 19. Nd3 Nd4 20. Ne1 Nc6 21. Nd3 {1/2-1/2 (21)
Csom,I (2460)-Oral,T (2415) Paks 1997}) 11. Rb1 Be6 12. Nd5 Qd8 13. e4 Bg4 14.
h3 Bxf3 15. Bxf3 Nd4 16. Bg2 a5 17. Ne3 Ne6 18. Qc2 Be5 19. Rfd1 Qe7 20. Nd5
Qe8 21. Qc1 c6 22. f4 gxf4 23. gxf4 cxd5 24. fxe5 dxe5 25. cxd5 Nf4 26. Qc7 Rc8
27. Qxa5 Qd7 28. Kh2 Nxg2 29. Kxg2 Rc4 30. Qe1 Qa4 31. b3 Rc2+ 32. Kf3 Qd7 33.
Qh4 Qb5 34. Qe1 Rfc8 35. Qf1 R8c3+ 36. Kg4 Qd7+ 37. Kh4 Rxh3+ 38. Qxh3 g5+ 39.
Kxg5 Qxh3 40. Kf6 Qh8+ 41. Ke7 Qh4+ 42. Kd7 Kf8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pinto, Pedro Jorge M"]
[Black "Carvalho, Amauri"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. Nf3 d6 2. d4 Nf6 3. c4 c6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 h6 8. Bh4 ({
RR} 8. Be3 Ng4 9. Bc1 e5 10. dxe5 Nxe5 11. O-O Be6 12. Nxe5 dxe5 13. Qxd8 Rxd8
14. Be3 Nd7 15. Rfd1 Bf8 16. a3 Nc5 17. b4 Nb3 18. Rxd8 Rxd8 19. Rd1 Nd4 20.
Bf1 a5 21. c5 axb4 22. axb4 Ra8 {Levin,F (2475)-Saric,I (2639) Benasque 2011
0-1 (34)}) ({RR} 8. Bf4 Nbd7 9. O-O e5 10. dxe5 Nh5 11. Be3 dxe5 12. Qd6 Re8
13. Rad1 Bf8 14. Qd2 Kh7 15. a3 Qe7 16. b4 Ndf6 17. c5 Ng4 18. Bc4 Qf6 19. h3
Nxe3 20. fxe3 Be6 21. Nd4 Bxc4 22. Rxf6 Nxf6 {Bashirli,S (1567)-Parkhov,Y 
(2489) chess.com INT 2023 0-1 (97)}) 8... Re8 9. O-O a6 $146 ({RR} 9... Nbd7
10. h3 a6 11. e5 dxe5 12. dxe5 Nh7 13. e6 fxe6 14. Qc2 g5 15. Bg3 c5 16. Bd3
Nhf6 17. Rad1 Qb6 18. Rfe1 Nf8 19. h4 g4 20. Ne5 N8d7 21. Bg6 Rf8 22. Qe2 Nxe5
23. Bxe5 Qc6 24. Bxf6 {Taboas Rodriguez,D (2402)-Largo Barbero,B (1885) Madrid
2012 1-0 (34)}) 10. a4 Qb6 11. a5 Qc7 12. b4 b5 13. cxb5 cxb5 14. Rc1 Qa7 15.
Bxf6 Bxf6 16. Nd5 Nd7 17. Nc7 Bb7 18. Nxe8 Rxe8 19. Rc7 Rd8 20. e5 Qb8 21. Rxb7
Qxb7 22. exf6 Nxf6 23. Qd2 Kg7 24. Rc1 Ne4 25. Qc2 d5 26. Qc7 Rd7 27. Qxb7 Rxb7
28. Ne5 f6 29. Nd3 Nd6 30. Rc6 Ra7 31. Nc5 Nc4 32. Rxa6 Rxa6 33. Nxa6 e5 34.
Nc7 e4 35. Nxd5 Nxa5 36. bxa5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pironti, Francisco"]
[Black "Piccoli, Lucas"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 O-O 13. g3 Be6 14. Bg2 Bxd5
15. cxd5 Nd4 16. Nxd4 exd4 17. O-O d3 18. Rb1 Qa5 19. Qxd3 $146 ({RR} 19. Qb3
Rfc8 20. Rfc1 Rxc1+ 21. Rxc1 d2 22. Rd1 Rc8 23. Rxd2 Rc1+ 24. Bf1 Ra1 25. Kg2
Rxa2 26. f4 Ra1 27. e5 Bd8 28. e6 Qc7 29. Qe3 Qc1 30. exf7+ Kxf7 31. Bd3 Qe1
32. Be2 Kf8 33. Rc2 Qh1+ {McDonald,N (2411)-Robertson,J (2162) England ENG
2022 1-0 (40)}) 19... Qxa2 20. f4 b3 21. Qd2 Rac8 22. e5 Rc2 23. Qd4 Be7 24.
Be4 dxe5 25. Qxe5 Bf6 26. Qf5 Bd4+ 27. Kh1 g6 28. Qh3 Rxb2 29. Ra1 Rf2 30. Rxf2
Qxf2 31. Rf1 Qe3 32. Bb1 Rd8 33. f5 Qe5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pomar, Marcelo"]
[Black "Cinta Larga, Carlos E"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. exd5 exd5 5. Bb5+ Bd7 ({RR} 5... Nc6 6. Qe2+ Be6
7. Nf3 Nf6 8. O-O Be7 9. dxc5 Bxc5 10. Ng5 O-O 11. Nxe6 fxe6 12. Bxc6 bxc6 13.
Qxe6+ Kh8 14. Qxc6 Rc8 15. Qe6 d4 16. Na4 d3 17. Nxc5 Rxc5 18. cxd3 Qxd3 19.
Be3 Rc2 20. Rad1 {Tan Zhongyi (2530)-Goltsev,D (2216) chess.com INT 2023 1-0 
(31)}) 6. Qe2+ Ne7 $146 ({RR} 6... Qe7 7. Bxd7+ Nxd7 8. Nxd5 Qxe2+ 9. Nxe2 Bd6
10. dxc5 Nxc5 11. Be3 Rc8 12. Nd4 a6 13. Nf5 Ne6 14. Nxd6+ Kd8 15. Nxc8 Kxc8
16. Nb6+ Kd8 17. O-O-O+ Ke7 18. Rd7+ {1-0 (18) Cicioni,L-Galli,G Bagno di
Romagna 1997}) 7. dxc5 Bxb5 8. Nxb5 Qd7 9. Nd6+ Kd8 10. Nxf7+ Kc8 11. Nd6+ Kc7
12. Bf4 Nbc6 13. O-O-O Ng6 14. Bg3 Bxd6 15. Bxd6+ Kc8 16. Nf3 Re8 17. Qd2 b6
18. Qxd5 bxc5 19. Qxc5 a5 20. Rd3 a4 21. Rc3 Ra6 22. Qb5 Qb7 23. Qd5 Nge7 24.
Bxe7 Rxe7 25. Rd1 Kb8 26. Qd6+ Rc7 27. Qf8+ Rc8 28. Qf4+ Ka8 29. Ne5 Rb8 30. b3
axb3 31. Rxb3 Rb6 32. Qa4+ Na7 33. Rd7 Qa6 34. Qxa6 Rxa6 35. Rxb8+ Kxb8 36.
Rxg7 Rxa2 37. f4 Nb5 38. Nc6+ Kc8 39. f5 Na3 40. Nb4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Pontes, Felipe"]
[Black "Cardoso, Marcio"]
[Result "0-1"]
[ECO "D90"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bd2 O-O 6. cxd5 Nxd5 7. e4 Nxc3 8.
Bxc3 c5 9. d5 Bg4 ({RR} 9... e6 10. Bc4 exd5 11. Bxd5 Nd7 12. O-O Qe7 13. Rc1
Nb6 14. Bxg7 Kxg7 15. Qd2 Nxd5 16. Qxd5 Be6 17. Qxc5 Qxc5 18. Rxc5 Bxa2 19. Rc7
Rfc8 20. Rfc1 Rxc7 21. Rxc7 b5 22. Kf1 a5 23. Nd2 Rd8 24. Ke2 {Fodor,T (2475)
-Georgiev,K (2657) Legnica 2013 1/2-1/2 (58)}) 10. Bxg7 ({RR} 10. Be2 e6 11.
O-O exd5 12. exd5 Qd6 13. h3 Bxf3 14. Bxf3 Nd7 15. Qb3 b6 16. Rfe1 Rfe8 17.
Rad1 Re7 18. Re2 Rxe2 19. Re1 Ne5 20. Bxe2 Rc8 21. Rd1 a5 22. Qb5 h5 23. Qa4 c4
24. Bxe5 Bxe5 {Zamar Kodelja,J (2254)-Herega,N (2214) Nova Gorica SLO 2023 1/
2-1/2}) 10... Kxg7 11. h3 $146 ({RR} 11. Qd2 Bxf3 12. gxf3 Nd7 13. h4 Qb6 14.
h5 Qb4 15. Bh3 Qxd2+ 16. Kxd2 Ne5 17. Rac1 Nxf3+ 18. Ke3 Ng5 19. Rxc5 Nxh3 20.
Rxh3 Rac8 21. Rxc8 Rxc8 22. Kd4 f6 23. Rc3 Rxc3 24. bxc3 Kf7 25. c4 Ke8 {
Tosic,M (2413)-Eric,J (2166) Skopje 2015 1-0 (36)}) 11... Bxf3 12. Qxf3 Qa5+
13. Qc3+ Qxc3+ 14. bxc3 Nd7 15. Bb5 Nf6 16. f3 a6 17. Bd3 b5 18. c4 b4 19. Kd2
a5 20. Kc2 a4 21. Kb2 Nh5 22. Rhd1 Kf6 23. g4 Nf4 24. Bf1 Rfd8 25. h4 Ke5 26.
Rd2 h6 27. Rdd1 Rd6 28. Rd2 Rad8 29. Rad1 h5 30. Kc2 Rh8 31. g5 Rf8 32. Kb2 f6
33. Rh2 fxg5 34. Bh3 gxh4 35. Be6 Nxe6 36. Rg1 Nf4 37. Rxh4 Nd3+ 38. Kc2 Rxf3
39. Rg5+ Kf6 40. e5+ Nxe5 41. Rg2 Rc3+ 42. Kb2 Nxc4+ 43. Kb1 Rxd5 44. Rf4+ Kg7
45. Rg1 Rd2 46. Rgf1 Rcc2 47. Rf7+ Kh6 48. Rxe7 Na3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Proudian, Armen"]
[Black "Lima, Carlos Eduardo A"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "173"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 Nf6 7. h4 h6 8.
N1e2 e6 9. Nf4 Bh7 10. Qe2 Qd6 ({RR} 10... Nd5 11. c3 Bd6 12. Nxd5 Bxg3 13. Nf4
Bxf4 14. Bxf4 Nd7 15. d5 cxd5 16. Bxd5 O-O 17. Bxb7 Nc5 18. Rd1 Nd3+ 19. Rxd3
Bxd3 20. Qd2 Bc4 21. b3 Qxd2+ 22. Bxd2 Rab8 23. Be4 Ba6 24. Be3 Bb7 25. Bxb7 {
Sharbaf,M (2373)-Petrosian,T (2612) Dubai 2010 1-0 (70)}) 11. O-O $146 ({RR} 
11. Be3 Nbd7 12. O-O-O Nb6 13. Bd3 Bxd3 14. Nxd3 O-O-O 15. Ne5 Qc7 16. c4 Ne8
17. Bf4 Rg8 18. Nd3 Qe7 19. Qe5 Nc7 20. c5 Nbd5 21. Ne4 Qd7 22. Nc3 Be7 23.
Nxd5 exd5 24. Qh5 Bf6 25. Be5 Qe7 {Fougerit,V (2049)-Blum,N (1930) Reims 2004
1-0 (57)}) ({RR} 11. Bb3 Be7 12. Nfh5 O-O 13. Bf4 Qd8 14. Nxf6+ Bxf6 15. O-O-O
a5 16. a3 a4 17. Ba2 Qb6 18. Nh5 Nd7 19. Be5 Nxe5 20. dxe5 Be7 21. Rd7 Rae8 22.
Bc4 Bc5 23. Qg4 Bg6 24. Nxg7 Re7 25. Nxe6 Bxa3 {Chen,P (2311)-Gao,K Beijing
2017 1-0}) 11... Nbd7 12. Re1 O-O-O 13. c3 Re8 14. Nd3 Bxd3 15. Qxd3 Nb6 16.
Bb3 Nbd5 17. Qf3 Qd7 18. c4 Nc7 19. Be3 Kb8 20. Ne2 Bd6 21. Red1 Qc8 22. Bc2 e5
23. Bf5 e4 24. Qh3 Qd8 25. d5 cxd5 26. Nc3 h5 27. c5 Be5 28. Nxe4 Nxe4 29. Bxe4
Bxb2 30. Rab1 Rxe4 31. Rxb2 Qxh4 32. Rdb1 Qxh3 33. Rxb7+ Ka8 34. gxh3 Rc8 35.
c6 Ra4 36. Bc5 Ra6 37. a3 Ne6 38. Bd6 Rb6 39. R1xb6 axb6 40. Rxb6 Ka7 41. Rb7+
Ka6 42. Rxf7 Rxc6 43. Bb4 g6 44. Rd7 d4 45. a4 Nf4 46. Bd2 Ne6 47. Kf1 Kb6 48.
Ke2 Kc5 49. Rb7 Kd5 50. a5 Nc5 51. Rb4 Re6+ 52. Kf3 Rf6+ 53. Ke2 Re6+ 54. Kf1
Ne4 55. Be1 d3 56. f3 Nd6 57. Rb3 Kd4 58. Rb6 Ke3 59. a6 d2 60. Bxd2+ Kxd2 61.
a7 Re1+ 62. Kf2 Ra1 63. Rxd6+ Kc3 64. Rd7 g5 65. Ke3 Re1+ 66. Kf2 Ra1 67. Kg3
Ra4 68. Rg7 h4+ 69. Kf2 Kd3 70. Rd7+ Kc4 71. Ke3 Kc5 72. Rg7 Kd6 73. Rg6+ Ke5
74. Rxg5+ Kf6 75. Rg4 Ra3+ 76. Kd4 Rxa7 77. Rf4+ Kg5 78. Rf8 Ra4+ 79. Kd3 Ra3+
80. Kc4 Ra4+ 81. Kd5 Rf4 82. Rg8+ Kf5 83. Rh8 Kg5 84. Ke5 Rxf3 85. Rg8+ Kh6 86.
Rh8+ Kg5 87. Rg8+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Rezende, Uelton"]
[Black "Oliveira, Silvio Eduardo"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. O-O Nge7 7. a3 d5 8. exd5
({RR} 8. Ba2 dxe4 9. Nxe4 O-O 10. Kh1 b6 11. Rb1 a5 12. d3 Bb7 13. Nfd2 Qc7 14.
Nc4 Rad8 15. Bd2 Nd5 16. Qe1 h6 17. Ne5 Rfe8 18. Ng4 h5 19. Ne5 f5 {1/2-1/2 
(19) Haub,T (2468)-Savchenko,S (2545) Metz 2007}) 8... exd5 9. Ba2 O-O 10. d3 (
{RR} 10. Qe1 h6 11. d3 Be6 12. Qf2 Nd4 13. Kh1 Rc8 14. Nxd4 Bxd4 15. Qh4 Nf5
16. Qxd8 Rfxd8 17. Bd2 c4 18. dxc4 dxc4 19. Rad1 a6 20. Rfe1 b5 21. Bc1 Bg7 22.
Ne4 Nd4 23. Bb1 Bf5 24. c3 Nb3 {Kaplan,A (2112)-Wanyama,H (2288) chess.com INT
2023 0-1 (65)}) 10... Nd4 $146 ({RR} 10... a6 11. Kh1 b5 12. Nh4 b4 13. axb4
cxb4 14. Nb1 a5 15. Bb3 Nd4 16. Ba4 Nec6 17. g3 Qd6 18. c3 Nf5 19. Nxf5 Bxf5
20. g4 Bd7 21. d4 Bh6 22. f5 gxf5 23. Bxh6 Qxh6 24. gxf5 Kh8 25. Qf3 {Veenstra,
P (1910)-Hamelink,D (2122) Leeuwarden 2001 1/2-1/2 (57)}) 11. Ne2 Bg4 12. Nexd4
Bxd4+ 13. Kh1 Nf5 14. c3 Be3 15. Qb3 Bxc1 16. Raxc1 Ne3 17. Rf2 Qc7 18. Ne5 Be6
19. a4 f6 20. Re1 Rfe8 21. d4 c4 22. Qa3 fxe5 23. Rxe3 exf4 24. Re5 Bg4 25.
Rxf4 Rxe5 26. dxe5 Qxe5 27. Rf1 Qe2 28. Rg1 Re8 29. Qc5 Qe4 30. Qb4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Ribeiro, Fabiano Pinto"]
[Black "Quintiliano, Renato"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nc6 8. b3
$146 ({RR} 8. Qc2 Qc7 9. h3 Rb8 10. Be3 b5 11. Nbd2 b4 12. d4 Nd7 13. d5 Nce5
14. Nxe5 Nxe5 15. f4 bxc3 16. bxc3 Nd7 17. Rfc1 Ba6 18. Qa4 Bb5 19. Qa3 Rb6 20.
Rcb1 Ra6 21. Qc1 Qa5 22. Rb3 Bd3 {Friberg,L-Johansson,L Hallsberg 1975 1/2-1/2}
) ({RR} 8. Ne1 Nd7 9. f4 b5 10. Nd2 b4 11. c4 Bb7 12. Ndf3 e6 13. Qe2 Qb6 14.
Be3 Rae8 15. Rd1 f5 16. Qc2 Nd4 17. Nxd4 cxd4 18. Bf2 Nc5 19. exf5 gxf5 20. b3
e5 21. Bxb7 Qxb7 22. Ng2 Bf6 {Weindl,A (2360)-Tukmakov,V (2520) Bern 1991 0-1 
(31)}) ({RR} 8. Bg5 Bg4 9. Nbd2 Qd7 10. Re1 Rab8 11. Nf1 b5 12. Qd2 Bxf3 13.
Bxf3 Rfc8 14. d4 cxd4 15. cxd4 h6 16. Be3 Ng4 17. e5 dxe5 18. d5 Nxe3 19. fxe3
Nd8 20. e4 Nb7 21. Ne3 Rc7 22. Rac1 Nd6 {Strittmatter,N (2130)-Spieker,M (2096)
Baden 2011 1/2-1/2}) 8... e5 9. Bb2 Re8 10. Na3 d5 11. exd5 Nxd5 12. Qc2 Bf5
13. Nh4 Be6 14. Rad1 Qd7 15. Nc4 Rad8 16. Rfe1 Bf6 17. Nf3 Bf5 18. Qc1 Bg7 19.
d4 exd4 20. Rxe8+ Qxe8 21. cxd4 Ndb4 22. d5 Nxd5 23. Bxg7 Kxg7 24. Qb2+ Kg8 25.
Re1 Qf8 26. Nfe5 Nd4 27. Na5 Bc8 28. Qc1 Qd6 29. Nac4 Qf6 30. Qh6 Nb4 31. Re4
Nxa2 32. Rh4 Qg7 33. Qe3 Nb4 34. Ng4 Bxg4 35. Rxg4 f5 36. Rh4 Nbc2 37. Rxd4
Nxd4 38. h4 Qf6 39. Bxb7 f4 40. Qe4 fxg3 41. fxg3 Rf8 42. Bd5+ Kg7 43. Ne3 Ne2+
44. Kh2 Qf2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Rocha, Matheus Eugenio"]
[Black "Cavalcante, Rodrigo"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 e6 8. Rc1
Bd6 9. Bxd6 Qxd6 10. f4 b5 11. Nf3 Bb7 12. O-O O-O 13. Ne5 Ne7 14. Qf3 b4 15.
Na4 Ne4 16. Nc5 Nxc5 17. Rxc5 f6 $146 ({RR} 17... Rac8 18. Rxc8 Bxc8 19. Qh5 f5
20. Rf3 Qd8 21. Rh3 h6 22. Rg3 Rf6 23. Qh4 Kh7 24. Rh3 Qc7 25. Qe1 a5 26. g4
Ng6 27. g5 Nxe5 28. dxe5 Rf8 29. Kf2 Bb7 30. Ke2 Rc8 31. gxh6 gxh6 32. Qh4 {
Goryachkina,A (2384)-Baraeva,I (2173) Maribor 2012 1-0 (46)}) 18. Qh5 Nf5 19.
Nf3 g6 20. Qh3 Nxe3 21. Re1 Nf5 22. Rec1 Qxf4 23. Rc7 Rf7 24. g3 Qxf3 25. Rxf7
Qe3+ 26. Kg2 Qd2+ 27. Kf3 Nxd4+ 28. Kg4 Qg5# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Rosa, Diego"]
[Black "Sekula, Markley"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. d4 e6 8.
Be3 ({RR} 8. O-O O-O-O 9. Be3 Be7 10. c4 Qd6 11. Qb3 Qb4 12. Qxb4 Nxb4 13. Rad1
Bf6 14. Rd2 a6 15. a3 Nc6 16. Rfd1 Ne7 17. Kf1 Nf5 18. h3 Bxf3 19. Bxf3 Rd6 20.
c5 Rdd8 21. b4 Ne7 22. d5 Nxd5 {Eberth,Z (2270)-Ondok,L (2245) Hungary 1999 1/
2-1/2 (45)}) ({RR} 8. O-O O-O-O 9. Be3 Qd7 10. Ng5 Bxe2 11. Qxe2 h6 12. Nf3 Be7
13. Rfd1 Bf6 14. Qd2 g5 15. a3 g4 16. Ne1 Bxd4 17. Bxd4 Qxd4 18. Nd3 Qg7 19.
Qe3 Qd4 20. Qe2 Qg7 21. Qe3 Kb8 22. Rd2 Nd4 {Lazarevski,D-Nikolovski,K (1548)
Skopje MKD 2023 0-1 (35)}) 8... b5 $146 ({RR} 8... Rd8 9. c3 Be7 10. Qb3 Qxb3
11. axb3 a6 12. h3 Bh5 13. g4 Bg6 14. Nd2 O-O 15. Bf3 Ra8 16. Bxc6 bxc6 17. f3
Rfb8 18. Ra5 Rb5 19. b4 Rxa5 20. bxa5 Rb8 21. b4 Bd3 22. Kf2 Re8 23. f4 {
Kasper,R-Huhn,U (1821) Berlin 2000 1-0 (58)}) 9. O-O Bd6 10. h3 Bh5 11. b3 O-O
12. c4 bxc4 13. bxc4 Qa5 14. Bd2 Bb4 15. Bxb4 Qxb4 16. d5 Rfd8 17. Rb1 Qa3 18.
Qd2 exd5 19. cxd5 Qd6 20. Rfd1 Ne7 21. Rb5 c6 22. Rb4 cxd5 23. Rd4 f6 24. Rh4
Bg6 25. Bd3 Nf5 26. Bxf5 Bxf5 27. Nd4 Be4 28. Nb5 Qb6 29. Nc3 Rac8 30. Nxe4
dxe4 31. Qe2 Rxd1+ 32. Qxd1 Rd8 33. Qg4 Qb2 34. Kh2 Qxa2 35. Qxe4 Qa5 36. Qxh7+
Kf8 37. Rg4 Rd7 38. h4 Qe5+ 39. Rg3 a5 40. Qh8+ Ke7 41. Qxg7+ Kd6 42. Qg4 f5
43. Qf3 Rg7 44. Qe3 Rxg3 45. Qh6+ Rg6+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Santiago, Mauro"]
[Black "Brito, Vicente"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. c4 {Szabo,Kr} Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d6 5. e4 O-O 6. h3 Na6 ({RR} 
6... e5) 7. Be3 c5 ({RR} 7... e5) 8. Be2 ({RR} 8. d5) 8... cxd4 9. Nxd4 Nc5 10.
f3 ({RR} 10. Qc2 b6 11. O-O ({RR} 11. b4 Ne6 12. Nb3 ({RR} 12. Rd1) ({RR} 12.
O-O Ng4 13. hxg4 ({RR} 13. Nxe6 Nxe3) 13... Nxd4) 12... a5 13. bxa5 bxa5 14. a4
Nd7 15. Rd1 Ba6 16. O-O Rc8 17. Nd5 Nec5) 11... Bb7 12. Bf3 Rc8 13. Rad1 ({RR} 
13. b4 Na6 ({RR} 13... Ncd7 14. e5) ({RR} 13... Ne6 14. Nxe6 fxe6 15. Qb3) 14.
Qb3 Qc7 15. Rac1 Qxc4 ({RR} 15... Qb8 16. Nd5) 16. e5 Qxb3 17. axb3 Bxf3 18.
exf6 Bxf6 19. gxf3 Nxb4 20. Rfd1) 13... Qc7 14. b3 Qb8 15. Rfe1 Rfe8 16. Bc1 a6
17. Qe2 e6 18. Bb2 Rcd8 ({RR} 18... d5 19. exd5 exd5 20. Qc2 dxc4 21. bxc4) 19.
Qc2 Qa8 20. Qe2 h5 ({RR} 20... d5 21. exd5 exd5 22. Qf1 ({RR} 22. Qc2 Rxe1+ 23.
Rxe1 dxc4) 22... dxc4 23. Qxc4) 21. Ba1 Ncd7 ({RR} 21... d5) 22. g3 ({RR} 22.
Nc2 Ne5) 22... d5 23. Bg2 e5 ({RR} 23... dxe4 24. Nxe4 Nxe4 25. Bxe4 Bxe4 26.
Qxe4 Qxe4 27. Rxe4 Ne5 28. Re3 Rd6) 24. Nc2 dxe4 {Bluebaum,M (2634)-Carlsen,M 
(2838) Karlsruhe/Baden-Baden 2017 CBM 178 [Szabo,Kr] 1/2-1/2 (59)} ({RR} 24...
d4 25. Nd5)) ({RR} 10. Qc2 a5 11. Rd1 Bd7 12. f4 Qc7 13. O-O Ne6 14. Nf3 Bc6
15. Nd5 Bxd5 16. exd5 Nc5 17. Nd4 Qd8 18. Bf3 Rc8 19. b3 Qb6 20. Nb5 Qd8 21.
Bd4 Nfd7 22. Bxg7 Kxg7 23. Rfe1 f5 24. Re3 Nf6 {Chapman,T (2254)-Kagan,S (2244)
Struga MKD 2023 1-0 (32)}) 10... Nh5 11. g4 $146 ({RR} 11. O-O Ng3 12. Re1
Nxe2+ 13. Qxe2 Ne6 14. Rad1 Bxd4 15. Bxd4 Nxd4 16. Rxd4 Qb6 17. Qf2 Be6 18. b3
Rfe8 19. f4 Qc5 20. f5 gxf5 21. exf5 Qxf5 22. Rf4 Qg6 23. Nd5 Rac8 24. Rf3 Kh8
25. Rg3 Qh6 {Gretarsson,H (2576)-Thorfinnsson,B (2439) Tornelo INT 2020 1-0})
11... Ng3 12. Rg1 Nxe2 13. Ndxe2 Be6 14. Nd5 Bxb2 15. Rb1 Bg7 16. Bxc5 dxc5 17.
Rxb7 Bxd5 18. Qxd5 Qa5+ 19. Qd2 Qa6 20. Rxe7 Qf6 21. Rc7 Qh4+ 22. Kd1 Rad8 23.
Rd7 Rxd7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Santos, Wenesley"]
[Black "Bandeira, Tarciano"]
[Result "0-1"]
[ECO "A51"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. e3 d6 5. Nc3 Bf5 ({RR} 5... a5 6. Bd3 O-O 7.
Qc2 c6 8. Nge2 Na6 9. a3 Nc7 10. Ng3 cxd5 11. cxd5 h6 12. Bc4 Bd7 13. Qd3 b5
14. Nxb5 Nxb5 15. Bxb5 Bxb5 16. Qxb5 Nxd5 17. Bd2 Nc7 18. Qc4 Ne6 19. O-O d5
20. Qg4 {Guigonis,D (2315)-Lallemand,R (2340) Issy les Moulineaux 2000 0-1 (47)
}) 6. Qb3 ({RR} 6. Nf3 h6 7. Be2 O-O 8. O-O a6 9. a3 a5 10. Na4 Ba7 11. Bd2
Nbd7 12. Rc1 Bh7 13. Nc3 e4 14. Ne1 Ne5 15. Nb5 Bb6 16. Bc3 Nfd7 17. Nd4 Qh4
18. g3 Qe7 19. Ng2 g5 20. Bh5 Bg6 {Tramutolo,G (1405)-Areco,A (1750)
Montevideo URU 2019 0-1 (40)}) 6... Na6 $146 ({RR} 6... Qc8 7. Nf3 h6 8. h3 O-O
9. Bd2 Nbd7 10. Be2 Bb6 11. Na4 Nc5 12. Nxc5 Bxc5 13. Bb4 Bxb4+ 14. Qxb4 a5 15.
Qd2 b6 16. O-O Ne4 17. Qd1 Qd7 18. Bd3 Nc5 19. Bxf5 Qxf5 20. Nd2 Qd3 21. Rc1 {
Gincas,A-Dzikia,G Klaipeda 2003 1-0 (61)}) 7. a3 Bb6 8. Qa4+ Bd7 9. Qc2 c6 10.
Nf3 Rc8 11. Qd1 Nc5 12. b4 Nce4 13. Nxe4 Nxe4 14. Bb2 O-O 15. Rc1 f5 16. Be2 f4
17. Bd3 Ng5 18. e4 Bg4 19. h3 Bh5 20. h4 Nxf3+ 21. gxf3 Qf6 22. Ke2 Qe7 23. Qg1
cxd5 24. exd5 e4 25. Bxe4 Qxe4+ 26. Kd2 Qg6 27. Qh2 Qf5 28. Rhg1 Bg6 29. Rxg6
hxg6 30. Rg1 Rxc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Serafim, Paulo Rogerio"]
[Black "Andrade, Roberto Costa"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. O-O
O-O 9. Be3 Bd7 10. Rc1 a6 11. f3 Rc8 ({RR} 11... Rb8 12. Nb3 Be6 13. Nd5 Nd7
14. Qd2 b6 15. Nd4 Nxd4 16. Bxd4 Bxd4+ 17. Qxd4 a5 18. f4 Bxd5 19. cxd5 b5 20.
Rc6 b4 21. e5 Rb6 22. Bg4 Rxc6 23. dxc6 Nc5 24. Rd1 Qb6 25. exd6 exd6 26. Bf3 {
Bukic,E (2495)-Doda,Z (2400) Tuzla 1979 1-0 (39)}) 12. a3 ({RR} 12. b3 Re8 13.
Qd2 Qa5 14. Rfd1 h5 15. Nxc6 Bxc6 16. Nd5 Qxd2 17. Nxf6+ Bxf6 18. Rxd2 Kg7 19.
Bd4 Bxd4+ 20. Rxd4 b5 21. cxb5 Bxb5 22. Bxb5 Rxc1+ 23. Bf1 Rec8 24. Rd2 a5 25.
Kf2 R8c2 26. Rxc2 Rxc2+ {Politov,P (2190)-Garagulya,K (2389) chess.com INT
2023 0-1 (45)}) 12... Re8 $146 ({RR} 12... Qa5 13. Nb1 Ne5 14. b4 Qc7 15. Nc3
Nxc4 16. Bxc4 Qxc4 17. Nd5 Qa2 18. Nxe7+ Kh8 19. Nxc8 Rxc8 20. Rxc8+ Bxc8 21.
Qc1 Bd7 22. Rf2 {1-0 (22) Wild,H-Franken,H Kleve 2000}) 13. b4 Nxd4 14. Bxd4
Bc6 15. b5 axb5 16. cxb5 Bd7 17. Qb3 Nxe4 18. Bxg7 Nc5 19. Qb2 Kxg7 20. Rfd1
Kg8 21. Nd5 Be6 22. Nf4 Bb3 23. Rxc5 Bxd1 24. Rxc8 Qb6+ 25. Kf1 Bxe2+ 26. Nxe2
Rxc8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Silva, Anjossendre"]
[Black "Kruger, Israel"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "185"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. f3 $146 ({RR} 4. g3 d6 5. d3 Nge7 6. Bg2 O-O
7. Nge2 f5 8. O-O Be6 9. h3 Qd7 10. Kh2 Ng6 11. f4 h5 12. exf5 Bxf5 13. Ne4
Nce7 14. Ng5 Rf6 15. d4 exd4 16. Nxd4 Re8 17. b3 Nh8 18. Bb2 c6 {Peredo,
T-Baser,J Edmonton & Calgary 1990 1-0}) ({RR} 4. Nf3 d6 5. Na4 Nf6 6. Nxc5 dxc5
7. d3 O-O 8. h3 Qd6 9. Be2 Rd8 10. a3 h6 11. O-O a5 12. Be3 b6 13. Re1 a4 14.
Bf1 Bd7 15. g3 Be6 16. Nd2 g5 17. Qf3 Kg7 18. Qg2 Rg8 {Kopasz,R (2338)-Piroth,
A (2336) Hungary 2001 0-1 (40)}) ({RR} 4. g3 d6 5. Bg2 f5 6. Nge2 Nf6 7. d3 O-O
8. O-O fxe4 9. Nxe4 Nxe4 10. dxe4 Be6 11. Qd3 Nb4 12. Qb3 b5 13. Qd1 bxc4 14.
Be3 Bxe3 15. fxe3 Rxf1+ 16. Bxf1 Qg5 17. Qd2 Rf8 18. Nc3 Rf3 {Kampman,T (2124)
-Sielecki,C (2391) Netherlands 2012 0-1 (54)}) 4... Bxg1 5. Rxg1 Qh4+ 6. g3
Qxh2 7. Rg2 Qh5 8. Nd5 Kd8 9. d3 d6 10. Be3 Nge7 11. g4 Qh4+ 12. Bf2 Qg5 13.
Be3 Qg6 14. Qc2 Nd4 15. Bxd4 exd4 16. O-O-O Bd7 17. Qf2 c5 18. Qg3 Nxd5 19.
cxd5 h6 20. Kb1 Re8 21. f4 Rc8 22. f5 Qf6 23. g5 hxg5 24. Qxg5 Qxg5 25. Rxg5
Rg8 26. Be2 Ke7 27. Rdg1 Kf6 28. R5g2 a5 29. b3 b5 30. Kb2 b4 31. Bd1 Ra8 32.
Bc2 g6 33. fxg6 Rxg6 34. Rf2+ Kg7 35. Rgf1 f6 36. Rh1 Rh8 37. Rxh8 Kxh8 38. a3
Kg7 39. axb4 axb4 40. Rf1 Rg2 41. Kc1 Bh3 42. Rf3 Bg4 43. Rf1 Kg6 44. Rh1 f5
45. exf5+ Kxf5 46. Re1 Re2 47. Rf1+ Ke5 48. Rg1 Bf5 49. Rf1 Rg2 50. Re1+ Kxd5
51. Bd1 Bg4 52. Bc2 Kc6 53. Rf1 Kd7 54. Rf6 Be6 55. Rh6 Rg7 56. Rh8 Ke7 57. Rb8
Kf6 58. Rb6 Ke5 59. Kd2 Rg2+ 60. Kc1 Rf2 61. Ra6 Rf6 62. Kd2 Bg4 63. Rc6 Rh6
64. Rc7 Bf5 65. Re7+ Kf6 66. Rc7 Rh7 67. Rc6 Ke5 68. Rb6 Ra7 69. Rb5 Be6 70.
Kc1 Ra6 71. Rb7 d5 72. Rb8 Kd6 73. Rb7 Kc6 74. Rb8 Rb6 75. Rd8 Kc7 76. Rh8 c4
77. Rh4 c3 78. Rxd4 Kd6 79. Rh4 Ke5 80. Rh5+ Kf4 81. Rh4+ Ke3 82. Rh5 Ra6 83.
Kb1 Kd4 84. Rh4+ Kc5 85. Rh6 Bc8 86. Rh8 Rc6 87. Rh7 Rf6 88. Rc7+ Rc6 89. Rh7
Ba6 90. Rh4 Rf6 91. Rh7 Rf1+ 92. Ka2 Rc1 93. Rh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Silva, Guilherme H"]
[Black "Cymbalista, Eduardo"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O a6 7. Bb3 d6 8. Re1 (
{RR} 8. h3 h6 9. Re1 Re8 10. Nbd2 Be6 11. Nf1 Bxb3 12. Qxb3 Qd7 13. Be3 Bxe3
14. Nxe3 Ne7 15. Rad1 Ng6 16. Nh2 Rab8 17. Nhg4 Nh7 18. Nf5 Qe6 19. d4 Qxb3 20.
axb3 h5 21. Nge3 Nf6 22. f3 Nf4 {Alekseev,E (2708)-Leko,P (2741) Moscow 2008 1/
2-1/2 (74)}) 8... Ne7 ({RR} 8... Ng4 9. h3 Nxf2 10. Qe2 Nxd3+ 11. Kh2 Nxe1 12.
Qxe1 Qf6 13. Bg5 Qg6 14. Nbd2 Be6 15. Bc2 f5 16. Be3 Bxe3 17. Qxe3 f4 18. Qf2
Qg3+ 19. Qxg3 fxg3+ 20. Kxg3 Rf7 21. Nh4 Raf8 22. Nf5 Bxf5 23. exf5 {Calcina,
J-Sedgwick,D (1874) chess.com INT 2021 0-1 (54)}) 9. Nbd2 Ng6 10. Nf1 Be6 $146
({RR} 10... Re8 11. Ng5 Re7 12. Ng3 h6 13. Nf3 Bg4 14. h3 Be6 15. Nf5 Bxf5 16.
exf5 Nf8 17. Nh4 Kh8 18. Qf3 Rb8 19. Bd2 N8d7 20. Re2 Bb6 21. Bc2 c6 22. Rae1
Qc7 23. g4 Rbe8 24. Qg3 Nf8 25. Nf3 {Velina,V (1782)-Mueller,A (1561)
Willingen 2009 1/2-1/2 (39)}) 11. Bc2 c6 12. h3 b5 13. Ng3 Ba7 14. d4 exd4 15.
Nxd4 Qb6 16. Be3 c5 17. Nxe6 fxe6 18. Nh5 Qc6 19. Nxf6+ Rxf6 20. Qd2 Ne5 21. b3
Rg6 22. Kh1 c4 23. Rad1 Bxe3 24. Rxe3 Rd8 25. f4 Nf7 26. Rf3 Rf6 27. Qe3 e5 28.
f5 d5 29. Kh2 dxe4 30. Rxd8+ Nxd8 31. Bxe4 Qb6 32. Bd5+ Kf8 33. Qxe5 cxb3 34.
axb3 Qd6 35. Re3 Qxe5+ 36. Rxe5 Nf7 37. Bxf7 Kxf7 38. Rc5 Rd6 39. g4 Rd3 40. b4
Rd6 41. Kg3 Kf8 42. Kf4 g5+ 43. Ke4 h6 44. Rc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Silva, Joelton Cooper"]
[Black "Cabral, Denrick"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 a6 6. a4 d6 7. O-O Nf6 8. d3 O-O
({RR} 8... Bg4 9. Be3 Nd4 10. Bxd4 cxd4 11. Ne2 Nd7 12. h3 Bxf3 13. Rxf3 O-O
14. Qe1 e6 15. Qg3 Rc8 16. Bb3 Nc5 17. f5 Nxb3 18. cxb3 Be5 19. Nf4 Kh8 20.
fxe6 g5 21. e7 Qxe7 22. Nd5 Qe6 23. Qg4 {Davtyan,D (2292)-Martirosyan,H (2637)
chess.com INT 2021 0-1 (41)}) 9. Bd2 $146 ({RR} 9. Qe1 Nb4 10. Bb3 Qb6 11. Kh1
Be6 12. a5 Qc7 13. Ba4 Qxa5 14. Bd2 Qc7 15. e5 Nd7 16. exd6 exd6 17. Ng5 Rfe8
18. Qh4 h5 19. Nxe6 fxe6 20. Qg3 b5 21. Bb3 Nf8 22. Ne4 d5 23. Bxb4 cxb4 {
Nies,L-Van Randtwijk,M (1665) Rijswijk 2014 0-1 (47)}) ({RR} 9. Qe1 Bg4 10. h3
Bxf3 11. gxf3 Nd4 12. Rf2 Nh5 13. e5 e6 14. exd6 Qh4 15. Qe4 Ng3 16. Qxb7 Qxh3
17. Rg2 Ndf5 18. Bd2 Qh1+ 19. Kf2 Bd4+ {0-1 (19) Breest,A (1979)-Kesselmeier,K
(2011) Dusseldorf GER 2023}) 9... Nd4 10. e5 dxe5 11. Nxe5 Bf5 12. Kh1 Nd7 13.
Nxd7 Qxd7 14. Nd5 b5 15. axb5 axb5 16. Rxa8 Rxa8 17. Nb6 Qa7 18. Nxa8 bxc4 19.
Qa1 Qxa1 20. Rxa1 Nxc2 21. Ra5 cxd3 22. Rxc5 Bxb2 23. Nc7 Bd4 24. Rd5 Kg7 25.
h3 f6 26. Kh2 Be3 27. Bxe3 Nxe3 28. Rd4 d2 29. g4 Bc8 30. Nd5 d1=Q 31. Rxd1
Nxd1 32. Nxe7 Bb7 33. f5 g5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Silva, Lucas Henrique"]
[Black "Fernandes, Pedro G"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 c5 4. g3 Nc6 5. Bg2 Bg7 6. O-O O-O 7. d3 d5 8. cxd5
Nxd5 9. Nxd5 Qxd5 10. Be3 Bxb2 11. Rb1 Bg7 12. Nd4 Qxa2 13. Nxc6 bxc6 14. Bxc5
({RR} 14. Bxc6 Bh3 15. Bxa8 Rxa8 16. Re1 a5 17. Qb3 Qxb3 18. Rxb3 a4 19. Ra3
Bb2 20. Ra2 a3 21. Bxc5 Be6 22. Rxb2 axb2 23. Bd4 Rb8 24. Rb1 Rb4 25. Bc3 Rb3
26. Bd4 Rb4 27. Bc3 Rb3 28. Bd4 Rb4 {Shevchenko,K (2684)-Harikrishna,P (2704)
chess.com INT 2023 1/2-1/2}) 14... Bg4 15. f3 Qd5 $146 ({RR} 15... Be6 16. d4
Rfb8 17. Ra1 Qb2 18. e3 Qc3 19. Qc1 Rb3 20. Qxc3 Rxc3 21. Ra3 Rxa3 22. Bxa3 Bd5
23. f4 f5 24. Bxd5+ cxd5 25. Bxe7 a5 26. Ra1 a4 27. Kf2 Bf8 28. Bxf8 Kxf8 29.
Ra3 Ke7 30. Ke2 {Moskow,E (2235)-London,D (2380) New York 1993 0-1 (34)}) 16.
Bxe7 Rfe8 17. Ba3 Qa2 18. Qb3 Rxe2 19. Qxa2 Rxa2 20. fxg4 Rxa3 21. Bxc6 Rc8 22.
Bb5 Bd4+ 23. Kh1 Rc7 24. Bc4 Kg7 25. Kg2 Rc3 26. Kf3 R7xc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Soares, Renan"]
[Black "Setti, Eduardo"]
[Result "0-1"]
[ECO "D96"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. Bf4 Bg7 6. h3 ({RR} 6. cxd5 Nxd5 7.
Be5 Nf6 8. e3 Nbd7 9. Bc4 O-O 10. O-O b5 11. Bb3 Bb7 12. Rc1 a5 13. a3 Qb6 14.
Qe2 Ba6 15. Qc2 Rac8 16. Rfd1 c5 17. dxc5 Nxc5 18. Bd4 Qb7 19. Nd5 Nxb3 20.
Nxf6+ Bxf6 {Meduna,E (2447)-Votava,J (2506) Pardubice 2003 1/2-1/2 (49)}) 6...
Ne4 ({RR} 6... dxc4 7. e4 b5 8. e5 Nd5 9. Bh2 O-O 10. Be2 Qa5 11. Qc1 Bf5 12.
O-O Nb4 13. Nh4 Bd3 14. Nf3 Bxe2 15. Nxe2 Nd3 16. Qd2 Qxd2 17. Nxd2 Nxb2 18.
Rab1 Nd3 19. Ne4 Rd8 20. Nc5 Nxc5 21. dxc5 {De Carvalho,A (1214)-Ramazzotte,M 
(1644) Caioba BRA 2023 0-1 (36)}) 7. e3 $146 ({RR} 7. Qb3 Nxc3 8. bxc3 dxc4 9.
Qxc4 Qb6 10. e4 Be6 11. Qd3 Qa5 12. Be2 b5 13. O-O Bc4 14. Qd2 Bxe2 15. Qxe2
Qxc3 16. Rac1 Qa5 17. d5 O-O 18. dxc6 Rc8 19. c7 Na6 20. Rc2 e5 21. Nxe5 Rxc7 {
Pimmingstorfer,C-Strathoff,D Ruhrgebiet 1996 1-0}) 7... Qa5 8. Qc2 Na6 9. cxd5
Bf5 10. Qb3 Nac5 11. dxc5 Nxc3 12. Nd2 Ne4 13. Rd1 Nxc5 14. Qa3 Qxa3 15. bxa3
Nd3+ 16. Bxd3 Bxd3 17. dxc6 bxc6 18. f3 Bb2 19. Kf2 Rd8 20. Nb3 Bxa3 21. Be5 f6
22. Bc3 O-O 23. Nd4 Bc4 24. Nxc6 Rc8 25. Nxa7 Rc7 26. Rd4 e5 27. Re4 Bd3 28.
Nb5 Bxb5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Souza, Eliel"]
[Black "Almeida, Tiago"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nc3 c6 6. Nf3 Ne7 7. Bg5 f6 ({RR} 
7... Qc7 8. Bxe7 Qxe7+ 9. Qe2 Bg4 10. O-O-O Qxe2 11. Nxe2 Nd7 12. Ng3 Bxf3 13.
gxf3 O-O-O 14. Rde1 g6 15. Re2 Nf8 16. c3 Ne6 17. Kc2 Nf4 18. Re3 Ng2 19. Re2
Rde8 20. Kd1 h5 21. Rg1 Nf4 22. Rxe8+ {Todic,Z (2223)-Jovic,A (2381) Belgrade
2010 0-1 (81)}) 8. Be3 ({RR} 8. Bh4 Bf5 9. Qe2 Qd7 10. O-O-O O-O 11. h3 Ng6 12.
Bxf5 Qxf5 13. g4 Qf4+ 14. Kb1 Nxh4 15. Nxh4 Bb4 16. Ng2 Qd6 17. Rde1 Nd7 18.
Qe6+ Qxe6 19. Rxe6 Rfe8 20. Rhe1 Kf7 21. Rxe8 Rxe8 22. Rxe8 Kxe8 {Onikidal,
D-Loshkov,K (1269) Skopje MKD 2023 1-0 (53)}) 8... Bf5 9. Nh4 $146 ({RR} 9. Qe2
O-O 10. O-O-O Re8 11. Rhe1 Nd7 12. Nh4 Bxd3 13. Qxd3 Nf8 14. g3 Qd7 15. f3 Nfg6
16. Nxg6 Nxg6 17. Ne2 Re7 18. Ng1 Rae8 19. Re2 Qc7 20. Rde1 Qd7 21. f4 Re4 22.
Nf3 Qe6 23. Nd2 f5 {Schmitz,M (2245)-Knuetter,H Cologne 1993 1-0 (56)}) 9...
Bxd3 10. Qxd3 Na6 11. a3 Qd7 12. Na4 Qg4 13. g3 g5 14. h3 Qd7 15. Ng2 O-O-O 16.
O-O-O Qf5 17. g4 Qxd3 18. Rxd3 Ng6 19. Nc3 Nc7 20. Ne2 Ne6 21. c3 h5 22. Rhd1
Rde8 23. Rf1 Ng7 24. Kd1 hxg4 25. hxg4 Ne6 26. Bd2 Nh4 27. Nxh4 gxh4 28. Ng1
Reg8 29. f3 Bg3 30. Ne2 Bd6 31. Ng1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Supi, Luis Paulo"]
[Black "Sopko, Cassio Roberto"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8.
Nbd2 Bg4 9. Nxe4 dxe4 10. Bxe4 Bxf3 11. Bxf3 Nxd4 12. Bxb7 Rb8 13. Be4 O-O 14.
c3 Ne6 15. Qc2 h6 16. Rd1 $146 ({RR} 16. Be3 c5 17. Rad1 Qc7 18. b3 Rfd8 19.
Bf5 Nf4 20. c4 Qe5 21. g3 Ne2+ 22. Qxe2 Qxf5 23. Bf4 Rxd1 24. Rxd1 Rb7 25. Qd3
Qc8 26. Qd5 Bf6 27. Be3 Rc7 28. Qd6 Rc6 29. Qd7 Qa8 30. Qd5 Qc8 {Dolnik,A 
(2047)-Zahorsky,R Slovakia 2003 1-0 (42)}) 16... Bd6 17. Be3 a6 18. Rd5 Rb5 19.
Rad1 Qe7 20. g3 Rfb8 21. b4 Rxd5 22. Bxd5 c5 23. a3 cxb4 24. cxb4 Nc7 25. Qc6
Rd8 26. Bc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Teske, Luiz Fernando"]
[Black "Oliveira, Joao Victor"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 Nc6 5. Nf3 e5 6. g3 Bg4 7. Bg2 Nf6 8. O-O
Be7 9. c3 O-O 10. Nbd2 $146 ({RR} 10. b4 a6 11. Bb2 Qc8 12. Nbd2 Qe6 13. Rfe1
Rfd8 14. h3 Bxh3 15. Bxh3 Qxh3 16. a4 Ng4 17. Nc4 a5 {0-1 (17) Kapnisis,
S-Touloumis,A Greece 1995}) 10... Qd7 11. Qb5 Bxf3 12. Nxf3 Rab8 13. Nxe5 Nxe5
14. Qxe5 Bd6 15. Qd4 c5 16. Qd3 Rfe8 17. Rd1 Rbd8 18. Bg5 Qe6 19. f4 h6 20.
Bxf6 gxf6 21. Qe2 f5 22. e5 Bc7 23. Bxb7 Rb8 24. Bd5 Qg6 25. b3 Red8 26. Qc4
Bb6 27. Rd2 Kg7 28. Rad1 Rd7 29. Bg2 Rxd2 30. Rxd2 Qe6 31. Bd5 Qd7 32. Qe2 c4+
33. Kf1 cxb3 34. axb3 Rc8 35. c4 Ba5 36. Rd1 Re8 37. Bg2 Qe7 38. Qh5 f6 39.
exf6+ Qxf6 40. Qxe8 Qb2 41. Rd7+ Kf6 42. Qf7# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Timossi, Lucas Jose"]
[Black "Peixoto, Rudson"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d3 Nf6 3. Bg5 e6 ({RR} 3... c5 4. Nbd2 e6 5. e4 Be7 6. e5 Nfd7 7.
Bxe7 Qxe7 8. Qe2 Nc6 9. O-O-O b5 10. Kb1 a5 11. h4 Ba6 12. h5 h6 13. Rh3 b4 14.
Rg3 Rg8 15. Qe3 a4 16. Qf4 Kd8 17. Kc1 Kc7 18. Nb1 {Timofeev,A (2585)-Svane,R 
(2613) chess.com INT 2020 0-1 (36)}) 4. Nbd2 Be7 5. c3 ({RR} 5. e4 c5 6. c3 Nc6
7. a3 a5 8. e5 Nd7 9. Bxe7 Qxe7 10. d4 b6 11. Bb5 Bb7 12. h4 f6 13. exf6 gxf6
14. Qe2 Kd8 15. dxc5 bxc5 16. O-O Kc7 17. b4 axb4 18. cxb4 cxb4 19. axb4 Rxa1 {
Fries Nielsen,J (2377)-Nilssen,E (2114) Fredericia DEN 2023 1-0 (32)}) 5... O-O
6. g3 $146 ({RR} 6. e4 c6 7. Be2 Re8 8. O-O b6 9. Re1 Bb7 10. e5 Nfd7 11. Bxe7
Qxe7 12. d4 c5 13. a4 Nc6 14. Bd3 Nf8 15. Qe2 a6 16. b3 Ra7 17. Qe3 Rc8 18.
Rec1 f5 19. exf6 gxf6 20. dxc5 bxc5 {Haque,R (2133)-Islam,S (1961) Dhaka 2014
1-0 (35)}) 6... b6 7. Bg2 Bb7 8. O-O Nbd7 9. b4 c5 10. b5 h6 11. Bf4 Nh5 12.
Be3 e5 13. d4 e4 14. Ne1 c4 15. f3 f5 16. g4 f4 17. Bf2 e3 18. gxh5 exf2+ 19.
Rxf2 Bh4 20. Rf1 Qg5 21. Kh1 Rae8 22. Rg1 Qxh5 23. Bh3 Nf6 24. Bg4 Qf7 25. Nc2
Qe7 26. Rg2 Nxg4 27. fxg4 Bf6 28. Nb4 Qe3 29. Qc2 Bxd4 30. cxd4 Qxd4 31. Rb1
Qc5 32. a4 d4 33. Nc6 Rxe2 34. Rxe2 d3 35. Qxc4+ Qxc4 36. Nxc4 dxe2 37. Kg1 Re8
38. Kf2 a6 39. Nd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Umetsubo, Cesar"]
[Black "Carrico, Victor Hugo"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "33"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 a5 8.
f3 ({RR} 8. Bf4 Na6 9. Bd6 Ne4 10. Qd4 Nxd6 11. Qxd6 Qg5 12. Nf3 Qxc5 13. Qxc5
Nxc5 14. e3 b6 15. Be2 Bb7 16. O-O d5 17. b4 Nb3 18. Rab1 a4 19. Rfd1 Rfc8 20.
cxd5 Bxd5 21. Nd4 Nxd4 22. Rxd4 Rc3 {Papasimakopoulos,A (2314)-Sarana,A (2662)
chess.com INT 2022 0-1 (45)}) ({RR} 8. Bg5 h6 9. Bh4 a4 10. Nf3 Qa5 11. Bxf6
gxf6 12. Qb4 Nc6 13. Qd2 Qxd2+ 14. Nxd2 Ra5 15. Ne4 f5 16. Nc3 Rxc5 17. e4 fxe4
18. Nxa4 Rg5 19. c5 Nd4 20. Rc1 d6 21. cxd6 Bd7 22. Nb6 Bc6 {Martinovici,I 
(2432)-Andreev,K (2284) Pula (Sardinia) ITA 2023 1-0 (62)}) 8... Na6 $146 ({RR
} 8... h6 9. Be3 Qc7 10. Rd1 a4 11. Bd4 Ne8 12. e4 Na6 13. Be5 Qxc5 14. Ne2 d6
15. Bg3 e5 16. Qd3 Be6 17. Nc3 Rc8 18. Nd5 Bxd5 19. cxd5 Qc2 20. Qxc2 Rxc2 21.
Rd2 Rc1+ 22. Rd1 Rxd1+ 23. Kxd1 {determinedalways (2423)-Martins,C (2420)
lichess.org 2021 0-1 (69)}) 9. b4 Qc7 10. e4 e5 11. Be3 Re8 12. Rd1 axb4 13.
axb4 Nh5 14. Nh3 Nf4 15. g3 Nxh3 16. Bxh3 d5 17. cxd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Urquiza, Marcello"]
[Black "Olivo, Anibal"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c3 Be7 14. Re1 Be6 (
{RR} 14... Nd7 15. Bxe7 Rxe7 16. Bc2 Nf8 17. Nc5 Rxe1+ 18. Qxe1 Ne6 19. Qe3 Qf8
20. Nxe6 Bxe6 21. Re1 Qd6 22. b4 a5 23. a3 axb4 24. axb4 d4 25. Qxd4 Qxd4 26.
cxd4 Bd5 27. f3 Kf8 28. Be4 Rd8 29. Kf2 {Zarnicki,P (2514)-Kamsky,G (2655)
chess.com INT 2022 1/2-1/2 (33)}) 15. b4 $146 ({RR} 15. Bc2 Nd7 16. Bxe7 Qxe7
17. Qd3 Nf8 18. Re3 Rab8 19. b4 a5 20. a3 axb4 21. cxb4 Rbd8 22. Qd4 Qd6 23.
Nc5 Bc8 24. Rae1 Rxe3 25. Rxe3 Ng6 26. Re1 Nf4 27. a4 Ne6 28. Nxe6 Bxe6 29. a5
Rc8 {Lagvilava,G (2302)-Zagorskaya,T (2199) Minsk 2004 1-0 (47)}) 15... Nh7 16.
Bxe7 Rxe7 17. Bxh7+ Kxh7 18. Qd3+ Kg8 19. Nc5 Qd6 20. Nb3 Rae8 21. Re3 Bd7 22.
Rae1 Rxe3 23. Rxe3 Rxe3 24. Qxe3 Qg6 25. Qd2 Bh3 26. f3 Be6 27. Kf2 Qf6 28. Nd4
Bd7 29. a4 Qe5 30. g3 Qh5 31. Kg1 Qe5 32. a5 Qe7 33. Nb3 Qf6 34. Nc5 Be6 35.
Kf2 Qe5 36. Qe3 Qf6 37. Nxe6 fxe6 38. Qxa7 Qxc3 39. Qc5 Qb2+ 40. Kg1 d4 41. Qe7
Qc1+ 42. Kg2 Qc2+ 43. Kg1 d3 44. Qxe6+ Kh7 45. Qf5+ Kg8 46. Qe6+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Veiga, Emerson"]
[Black "Paniago, Lucio"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4 O-O 8.
Bd3 c5 9. Nf3 f5 10. exf6 Nxf6 11. Qh4 Nc6 12. dxc5 e5 ({RR} 12... Qxc5 13.
O-O-O Bd7 14. Rhe1 Rae8 15. Ne5 Nxe5 16. Rxe5 Bc6 17. f4 g6 18. Rg5 Kg7 19. Qg3
Rf7 20. h4 Kh8 21. Qe1 Nd7 22. g3 Qf8 23. h5 gxh5 24. Rxh5 Rg7 25. Qf2 Nf6 26.
Rh4 Ng4 27. Qxa7 {Ibarra Jerez,J (2567)-Asish Panda (1731) chess.com INT 2023
1-0 (61)}) 13. Nxd5 Nxd5 14. Qxh7+ Kf7 15. Qh5+ $146 ({RR} 15. Qg6+ Kg8 16. Ng5
Qxg5 17. Qxg5 {1-0 (17) Cebrian Flores,J (1995)-Selva Salvador,A (1896)
Benidorm 2014}) 15... Ke6 16. O-O-O Qf6 17. Rhe1 Nf4 18. Bc4+ Ke7 19. Nxe5 Nxe5
20. Qxe5+ Qxe5 21. Rxe5+ Kf6 22. Re4 Ne6 23. Rd6 Re8 24. f4 g6 25. g4 Re7 26.
h4 Bd7 27. Rxd7 Rxd7 28. Rxe6+ Kg7 29. Bd3 Kf7 30. f5 gxf5 31. Bxf5 Rad8 32. b4
Re7 33. Rh6 Kg7 34. Rh7+ Kf6 35. g5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Wagner, Julia"]
[Black "Mariano, Marceley M"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 Qc7 8. Qd2
Be7 9. O-O-O Nc6 10. g4 Ne5 11. g5 Nfd7 12. f4 Nc4 13. Bxc4 Qxc4 14. f5 ({RR} 
14. h4 b5 15. a3 Bb7 16. h5 Rc8 17. g6 Nf6 18. Qg2 fxg6 19. hxg6 h6 20. Rhe1
O-O 21. Kb1 Rfe8 22. Bc1 Bf8 23. Qh3 e5 24. Nb3 Qc7 25. fxe5 dxe5 26. Rf1 Rcd8
27. Rxd8 Qxd8 28. Bg5 Qd7 {Tabatabaei,M (2458)-Wang,C (2524) Al Ain 2015 0-1 
(67)}) 14... Ne5 15. h4 $146 ({RR} 15. Rhf1 Bd7 16. Kb1 Qb4 17. a3 Qa5 18. Nb3
Qc7 19. Qd4 Rc8 20. Bc1 Qb8 21. Bf4 Rc4 22. Qe3 b5 23. Nd2 Rc8 24. Na2 a5 25.
b3 exf5 26. Nc3 Qc7 27. Bxe5 dxe5 28. Rf3 b4 29. axb4 axb4 {Garcia,C-Caro,E 
(2215) Posadas 2005 0-1 (34)}) ({RR} 15. Rhf1 Bd7 16. h4 O-O-O 17. Kb1 f6 18.
fxe6 Bxe6 19. b3 Qb4 20. Nxe6 Rhg8 21. Nd5 {1-0 (21) Jeger,T (1768)-Ascic,J 
(1366) Veli Losinj CRO 2023}) 15... b5 16. b3 Qb4 17. Nb1 Qxd2+ 18. Nxd2 Bd7
19. Rhf1 Rc8 20. Kb2 a5 21. N2f3 Ng4 22. Bg1 e5 23. Ne2 b4 24. Rd2 h6 25. Ng3
hxg5 26. hxg5 Rh3 27. Rg2 Rc3 28. Nh5 Rxh5 29. Rxg4 g6 30. Rh4 Rxf3 31. Rxh5
Rxf1 32. Rh8+ Bf8 33. Bb6 gxf5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "Zallio, Luciano"]
[Black "Damasceno, Enzo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "127"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. Bc2
Nb4 9. O-O Rc8 ({RR} 9... Ne7 10. Nc3 Nxc2 11. Qxc2 Rc8 12. Be3 Nf5 13. a3 Be7
14. Rad1 O-O 15. Bg5 h6 16. Bxe7 Nxe7 17. Qd2 Nc6 18. Na4 Qd8 19. Nc5 Rc7 20.
Rc1 b6 21. Nxd7 Qxd7 22. Rc3 Rfc8 23. Rfc1 Na5 24. Qd3 {Mueller,R (1754)
-Namala,D (1388) Montesilvano ITA 2023 1/2-1/2 (37)}) 10. Nc3 Nxc2 11. Qxc2 Bb4
12. a3 $146 ({RR} 12. Be3 Ne7 13. Rac1 Bxc3 14. bxc3 h6 15. Rfe1 O-O 16. g4 Qa6
17. Nh4 Bb5 18. f4 Bd3 19. Qf2 f5 20. g5 hxg5 21. fxg5 Be4 22. Bf4 Kf7 23. Ng2
Bxg2 24. Kxg2 Ng6 25. Rc2 Rh8 26. Bg3 Ke7 {Gorkiewicz,M (2028)-Skawinski,A 
(2366) Katowice POL 2021 1/2-1/2 (38)}) 12... Bxc3 13. bxc3 Qa5 14. Bd2 Qa4 15.
Qb1 b6 16. Re1 Ne7 17. h4 Nc6 18. Qd3 Na5 19. Bc1 h6 20. Rb1 Qc4 21. Qd1 O-O
22. Re3 Ba4 23. Qe1 Qc6 24. Nd2 Bc2 25. Rb4 Bg6 26. Rg3 h5 27. Qe2 Qd7 28. Nf1
Nc4 29. a4 Rb8 30. Rg5 Qe8 31. Ng3 f6 32. exf6 gxf6 33. Rxg6+ Qxg6 34. Qxe6+
Qf7 35. Qf5 Nd6 36. Qf3 Rfe8 37. Bf4 Rbd8 38. Nxh5 Nf5 39. Qg4+ Ng7 40. Bh6
Re1+ 41. Kh2 Qc7+ 42. g3 Re7 43. Bxg7 Rxg7 44. Qxg7+ Qxg7 45. Nxg7 Kxg7 46. a5
Rd6 47. g4 Kg6 48. axb6 axb6 49. Kg3 Rc6 50. Rb3 f5 51. f3 fxg4 52. fxg4 Re6
53. Kf4 Re4+ 54. Kf3 Re6 55. Rb5 Rc6 56. Kf4 Rxc3 57. Rxb6+ Kf7 58. Rd6 Rd3 59.
Rxd5 Ke6 60. Re5+ Kf6 61. g5+ Kg6 62. Re6+ Kf7 63. Rf6+ Kg7 64. Ke5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "di Berardino, Diego"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8.
Qc2 Re8 9. Nge2 Nf8 10. O-O c6 11. f3 Be6 12. Rad1 Qa5 ({RR} 12... N6d7 13. Bf4
Rc8 14. a3 a5 15. Kh1 b5 16. e4 b4 17. axb4 axb4 18. Na4 b3 19. Qb1 Qa5 20.
Nac3 dxe4 21. fxe4 c5 22. e5 cxd4 23. Nxd4 Qb6 24. Nxe6 fxe6 25. Bxh7+ Nxh7 26.
Rxd7 Qc6 27. Qd1 {Kamsky,G (2695)-Van der Sterren,P (2605) Wijk aan Zee 1994 1/
2-1/2 (35)}) ({RR} 12... a6 13. Kh1 Rc8 14. Qb1 b5 15. b4 a5 16. a3 axb4 17.
axb4 Qd6 18. Na2 Ng6 19. Nf4 Nxf4 20. Bxf4 Qd7 21. Nc1 h6 22. Bg3 Qa7 23. Rd2
Ra8 24. Ra2 Qb7 25. Be1 Rxa2 26. Qxa2 Ra8 27. Qc2 {Aleksandrov,A (2563)
-Navumenka,M (2052) Orsha BLR 2021 1-0 (92)}) 13. a3 Rac8 14. Kh1 h6 $146 ({RR
} 14... a6 15. Ng3 g6 16. Qd2 Qd8 17. Bf4 h5 18. Bb1 h4 19. Nge2 Nh5 20. h3
Nxf4 21. Nxf4 Bg5 22. Rde1 Bxf4 23. exf4 Qf6 24. Re5 Nd7 25. Rg5 Kf8 26. f5
Bxf5 27. Bxf5 gxf5 28. Qf4 Re6 29. Qxh4 {Salas Arros,C (2360)-Quispe Santacruz,
J (2155) La Paz 2002 1-0 (45)}) 15. Bh4 Ng4 16. Bxe7 Nxe3 17. Qc1 Nxd1 18. Bb4
Qd8 19. Nxd1 Nh7 20. Be1 Qd7 21. Qc2 Nf8 22. b4 Qc7 23. g4 a5 24. bxa5 c5 25.
Qxc5 Qxc5 26. dxc5 Rxc5 27. Bb4 Rc7 28. Ndc3 Ra8 29. Na4 Rac8 30. Nac3 Nd7 31.
Nb5 Ne5 32. Nxc7 Nxd3 33. Bd6 Nc5 34. Bxc5 Rxc7 35. Rc1 Bd7 36. Bb6 Rxc1+ 37.
Nxc1 f5 38. h3 g5 39. Nb3 fxg4 40. hxg4 Kf7 41. Kg2 Kg6 42. Nc5 Bc8 43. Nd3 h5
44. Ne5+ Kf6 45. Bd4 hxg4 46. fxg4 Ke6 47. Kg3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "1"]
[White "do Carmo, Gabriel"]
[Black "Soares, Joao Carlos"]
[Result "0-1"]
[ECO "D40"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Be7 5. b3 c5 6. d4 O-O 7. Be2 b6 8. Bb2 Bb7
9. O-O Nc6 10. Rc1 Rc8 11. dxc5 bxc5 12. cxd5 exd5 13. Na4 Ne4 14. Nd2 Qa5 15.
Nxe4 dxe4 16. Qc2 $146 ({RR} 16. Qd7 Ba8 17. Qg4 g6 18. Qxe4 Rfe8 19. Bc4 Qc7
20. Bxf7+ Kxf7 21. Qc4+ Kf8 22. Qc3 Kf7 23. Qg7+ Ke6 24. Rfd1 Rf8 25. Qxh7 Ne5
26. f4 Nd7 27. Qxg6+ Bf6 28. e4 Qxf4 29. Qh7 Bxb2 30. Qxd7+ Kf6 {Schuette,M 
(2215)-Joerg,H (2235) Bayern 2002 0-1 (34)}) 16... Nb4 17. Qb1 Bc6 18. a3 Nd3
19. Bxd3 exd3 20. Qxd3 Bb5 21. Qe4 Bxf1 22. Qxe7 Be2 23. Bxg7 Qd2 24. Rf1 Bxf1
25. Qg5 Qd3 26. Bxf8+ Kxf8 27. Qh6+ Ke8 28. Qg5 Be2 29. h4 Kf8 30. Nxc5 Qd1+
31. Kh2 Qd6+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Almeida, Tiago"]
[Black "Ferreira, Andrei"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. O-O Bd6 8. Nbd2
cxd4 9. cxd4 Rc8 10. a3 O-O 11. Qe1 Bf5 12. Bxf5 exf5 13. Ne5 $146 ({RR} 13.
Nh4 g6 14. Qg3 Nh5 15. Qh3 Nf6 16. Ndf3 Re8 17. Ne5 Bxe5 18. fxe5 Ne4 19. g4
Qg5 20. Rf4 Nxd4 21. exd4 Rxc1+ 22. Rxc1 Qxf4 23. Rf1 Qd2 24. Qf3 Qxd4+ 25. Kh1
Qxe5 26. gxf5 Nd2 27. Qf2 Nxf1 {Nyathi,M (1399)-Adams,S (1694) Bloemfontein
2016 0-1}) 13... Ne4 14. Nxe4 dxe4 15. Bd2 Ne7 16. Rc1 b5 17. Rxc8 Qxc8 18. Qd1
Qe6 19. g4 f6 20. gxf5 Nxf5 21. Ng4 Nh4 22. Kh1 Nf3 23. Nf2 f5 24. Nh3 Qh6 25.
Rxf3 exf3 26. Qxf3 Qe6 27. Ng5 Qc4 28. d5 h6 29. Ne6 Rf7 30. Nd4 Qd3 31. Bc3 a6
32. Ne6 Bf8 33. h4 Qe4 34. Qxe4 fxe4 35. Be5 Rd7 36. Nxf8 Kxf8 37. d6 Kf7 38.
Kg2 g6 39. Kg3 h5 40. Kf2 Ke6 41. Kg3 Rd8 42. Kf2 Rc8 43. Ke2 Rc2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Andrade, Guilherme Souza"]
[Black "Serafim, Paulo Rogerio"]
[Result "1-0"]
[ECO "E06"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nf3 Be7 6. O-O O-O 7. Bg5 ({RR} 7. b3
Bb7 8. Bb2 Na6 9. Nc3 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. Rc1 Rc8 13. Re1 Be4
14. Ne5 Bxg2 15. Kxg2 Nb4 16. a3 Nc6 17. Nxc6 Rxc6 18. dxc5 Rxc5 19. b4 Qa8+
20. e4 Rxc1 21. Qxc1 Rc8 {Ibrahimli,M (2436)-Pigusov,E (2555) chess.com INT
2020 1-0 (47)}) 7... Bb7 8. Nbd2 $146 ({RR} 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. e4
Nf6 11. e5 Nd5 12. Nbd2 Rd8 13. a3 h6 14. Qc2 Qd7 15. Rfc1 a5 16. Nc4 Nc6 17.
Ne3 Nce7 18. Nxd5 Nxd5 19. Nd2 Rac8 20. Ne4 Ba8 21. Nd2 a4 22. Nc4 Ne7 {
Greanias,S (2252)-Perelshteyn,E (2436) Virginia Beach 2001 0-1 (41)}) ({RR} 8.
Nc3 Nbd7 9. Qc2 c5 10. e3 Rc8 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Qxe7 14. f4
Nb8 15. cxd5 exd5 16. Nxd5 Bxd5 17. Bxd5 Rfd8 18. Bg2 Nc6 19. a3 Qe6 20. Rad1
g6 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ {Sivakumar,N-Pena Flores,L (1659) lichess.org
INT 2022 1-0 (37)}) 8... Nbd7 9. Qc2 dxc4 10. Nxc4 Be4 11. Qa4 c5 12. Ncd2 Bb7
13. Rac1 Nd5 14. Bxe7 Qxe7 15. Nb3 Rfc8 16. dxc5 Nxc5 17. Qa3 Nxb3 18. Qxb3 Rc7
19. Nd4 Rac8 20. Rxc7 Qxc7 21. Rd1 a6 22. Qd3 Qc4 23. Qxc4 Rxc4 24. Nf5 Rc7 25.
Bxd5 Bxd5 26. Ne3 Rd7 27. Nc4 b5 28. Nb6 Rd6 29. Nxd5 exd5 30. Kg2 f5 31. Kf3
g5 32. Ke3 Kf7 33. Kd4 Ke6 34. Rc1 Kd7 35. Rc5 Ke6 36. Rc7 f4 37. Rxh7 Kf5 38.
f3 fxg3 39. hxg3 Re6 40. e3 g4 41. Rf7+ Kg6 42. Rf4 gxf3 43. Rxf3 Re4+ 44. Kxd5
Rc4 45. Rf2 Kg5 46. a3 Kg4 47. Rf4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Andrade, Roberto Costa"]
[Black "Lima, Darcy Gustavo"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 d6 3. Nc3 c6 4. Be3 Nd7 5. Qd2 Bg7 6. Bd3 e5 7. Nf3 Ngf6 8. h3
O-O 9. O-O b5 ({RR} 9... Re8 10. Rfe1 b5 11. Bh6 a6 12. a4 Bb7 13. axb5 axb5
14. Rxa8 Bxa8 15. Bxg7 Kxg7 16. b4 Qb6 17. Ne2 c5 18. bxc5 dxc5 19. dxc5 Nxc5
20. Ng3 Bb7 21. Qb4 Bc6 22. Rb1 Qa7 23. Qb2 Na4 24. Qa1 {Fedorchuk,S (2645)
-Tkachiev,V (2661) Benidorm 2007 1/2-1/2 (88)}) 10. a3 ({RR} 10. Rad1 Qe7 11.
Rfe1 Bb7 12. Bh6 Rad8 13. Bxg7 Kxg7 14. Qg5 h6 15. Qh4 Nb6 16. Ne2 a6 17. c3 a5
18. g4 b4 19. Ng3 Na4 20. g5 hxg5 21. Qxg5 Kh8 22. Qh4+ Kg7 23. Kh1 Rh8 24.
Nf5+ gxf5 {Adewumi,T (2277)-Berezin,V (2307) chess.com INT 2023 1-0 (38)})
10... a6 $146 ({RR} 10... Bb7 11. Bh6 exd4 12. Nxd4 Ne5 13. Bxg7 Kxg7 14. Be2
a6 15. Nf3 Qc7 16. Rad1 Rad8 17. Qe3 c5 18. Nd5 Bxd5 19. exd5 Rfe8 20. Nxe5
Rxe5 21. Qf3 Rde8 22. Rfe1 c4 23. Kf1 Rf5 24. Qc3 Qc5 25. Bf3 {Zamanillo
Iranzo,J (1689)-Figueroa Pahissa,T (1603) Tenerife 2017 1/2-1/2 (33)}) 11. Rad1
c5 12. dxe5 dxe5 13. Rfe1 Bb7 14. Bg5 Qc7 15. Bf1 Rfe8 16. Qd6 Qc8 17. Qd2 Nb6
18. Bxf6 Bxf6 19. Qh6 Bg7 20. Qh4 Rd8 21. Nd5 Nxd5 22. exd5 Rxd5 23. Rxd5 Bxd5
24. Nxe5 c4 25. c3 Qd8 26. Qxd8+ Rxd8 27. f4 Bb7 28. a4 Bf8 29. Be2 Rd2 30.
axb5 axb5 31. Bf3 Bc5+ 32. Kh2 Bxf3 33. Nxf3 Rxb2 34. Re8+ Kg7 35. Kg3 Bf2+ 36.
Kh2 Rc2 37. Rb8 Rxc3 38. Rxb5 Rb3 39. Rxb3 cxb3 40. Nd2 b2 41. Nb1 Kf6 42. g4
Ke6 43. Kg2 Bd4 44. Kf3 Kd5 45. Nd2 Bc3 46. Nb1 Kd4 47. Ke2 Bb4 48. f5 g5 49.
f6 Ke4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Aoyama, Edmundo"]
[Black "do Carmo, Gabriel"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 Nf6 4. d4 e6 5. e3 Bd6 6. Nbd2 Nbd7 7. c4 c6 8. Be2
O-O 9. O-O h6 10. Re1 $146 ({RR} 10. c5 Bc7 11. b4 Re8 12. b5 e5 13. bxc6 bxc6
14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bxe5 Rxe5 17. Nf3 Re7 18. Nd4 Qd7 19. Ba6 Bg6
20. Qa4 Qc7 21. Nxc6 Re4 22. Qb5 Nd7 23. Rfc1 Rae8 24. Qb7 Qxb7 {Blanco
Acevedo,M-Ubaldo Suarez,M Merida 1997 1-0 (47)}) 10... Qe7 11. Nf1 e5 12. Ng3
Bg6 13. Nh4 Ba3 14. Nxg6 fxg6 15. Bxa3 Qxa3 16. dxe5 Nxe5 17. Qd4 Qe7 18. Rad1
c5 19. Qc3 dxc4 20. Bxc4+ Nxc4 21. Qxc4+ Kh7 22. h3 a6 23. Rd2 b5 24. Qc2 Rac8
25. Rc1 Rc7 26. Qd1 Rfc8 27. Rd6 Rc6 28. Rxc6 Rxc6 29. Qd3 Qe6 30. Ne2 Nd5 31.
a3 Nb6 32. Nf4 Qf5 33. Qd2 c4 34. Ne2 Qc5 35. Nd4 Rd6 36. Qa5 Nd5 37. bxc4 Nf4
38. Qb4 Qxb4 39. axb4 Rxd4 40. exd4 Ne2+ 41. Kf1 Nxc1 42. c5 Nd3 43. c6 Nxb4
44. c7 a5 45. c8=Q a4 46. Qc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Baeta, Marcio Netto"]
[Black "Lopes, Wendell"]
[Result "1-0"]
[ECO "E06"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. g3 c6 5. Bg2 Be7 6. O-O O-O 7. Qc2 Ne4 8. Rd1 (
{RR} 8. b3 b6 9. Ne5 f5 10. Ba3 Bxa3 11. Nxa3 Qd6 12. Qb2 Nd7 13. Rac1 Bb7 14.
Nc2 a5 15. Nxd7 Qxd7 16. Ne1 Rad8 17. f3 Nf6 18. c5 b5 19. Nd3 Qc7 20. Qd2 Bc8
21. a3 Bd7 22. b4 Ra8 {Simic,R (2485)-Skembris,S (2455) Athens 1991 1/2-1/2 
(31)}) 8... f5 9. Nc3 $146 ({RR} 9. Ne5 Nd7 10. Nd3 Bf6 11. e3 Qe8 12. Nd2 Qh5
13. Nf4 Qe8 14. Nf3 Bg5 15. Nd3 Be7 16. Bd2 Ndf6 17. Nfe5 g5 18. f3 Nd6 19. c5
Nf7 20. Nxf7 Qxf7 21. Ne5 Qg7 22. Bc3 g4 23. Rf1 h5 {Lukachewski Junior,W 
(2037)-Nunes,S (1992) Foz do Iguacu 2014 0-1 (55)}) ({RR} 9. Ne5 Nd7 10. Nd3
Bf6 11. e3 Qe8 12. f3 Ng5 13. b3 Qh5 14. Qf2 Nh3+ 15. Bxh3 Qxh3 16. Nf4 Nb6 17.
Nxh3 {1-0 (17) Avalos Parra,J (2193)-De Arruda,L (1980) chess.com INT 2022})
9... Nd7 10. Ne5 Bg5 11. Nxe4 fxe4 12. f4 exf3 13. Nxf3 Be7 14. e4 Nf6 15. e5
Ne4 16. Be3 b6 17. Rac1 a5 18. Nd2 Bg5 19. Bxg5 Qxg5 20. Nxe4 dxe4 21. Bxe4
Qe3+ 22. Kg2 g6 23. Bxc6 Ra7 24. Qd2 Qxd2+ 25. Rxd2 Bb7 26. Bxb7 Rxb7 27. d5
Kf7 28. Rf1+ Ke8 29. Rxf8+ Kxf8 30. dxe6 Ke7 31. Rd7+ Rxd7 32. exd7 Kxd7 33.
Kf3 Ke6 34. Ke4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Bandeira, Tarciano"]
[Black "Umetsubo, Cesar"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Be7 7. Be3 O-O 8. g4
d5 9. exd5 exd5 10. Be2 Nc6 11. g5 Ne4 12. Nxe4 Nxd4 $146 ({RR} 12... dxe4 13.
Nxc6 bxc6 14. Qxd8 Rxd8 15. O-O Be6 16. b3 a5 17. Rad1 a4 18. Rxd8+ Rxd8 19. f3
axb3 20. axb3 exf3 21. Bxf3 c5 22. Ra1 c4 23. bxc4 Bxc4 24. Ra4 Bd5 25. Bxd5 {
1/2-1/2 (25) Jones,R (2320)-Dorrington,C (2194) West Bromwich 2005}) 13. Qxd4
dxe4 14. Qxd8 Rxd8 15. Rd1 Bh3 16. Bf1 Rxd1+ 17. Kxd1 Bg4+ 18. Be2 Rd8+ 19. Ke1
Bh3 20. Bf1 Be6 21. a3 a6 22. h4 f5 23. gxf6 Bxf6 24. Bg5 Kf7 25. Bxf6 gxf6 26.
Bh3 f5 27. Ke2 Kf6 28. Rd1 Rc8 29. c3 Ke5 30. Rg1 Bc4+ 31. Ke1 Rc7 32. Bf1 Bd5
33. Be2 Rd7 34. Rg5 Rd6 35. Rg7 h6 36. c4 Bc6 37. h5 f4 38. b4 f3 39. Bd1 Kd4
40. Bb3 Kc3 41. Rg6 Rxg6 42. hxg6 Be8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Barbosa, Evandro Amorim"]
[Black "Nunes Jr, Sidney"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. e4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Nxd4 8.
Bxd4 d6 9. Be2 Be6 10. O-O O-O 11. f4 Rc8 12. b3 Qa5 13. Rc1 a6 14. Qd3 ({RR} 
14. a4 Kh8 15. Kh1 Ng8 16. f5 Bd7 17. Nd5 Bxd4 18. Qxd4+ f6 19. b4 Qd8 20. Nb6
Rc7 21. Rcd1 Qe8 22. a5 Bc6 23. Qe3 Kg7 24. Rc1 Nh6 25. b5 Bd7 26. bxa6 bxa6
27. c5 Bb5 28. Nd5 Rc8 {Fressinet,L (2718)-Kempinski,R (2615) Germany 2010 1-0
(31)}) 14... Rfe8 15. Kh1 Bg4 16. e5 Bxe2 $146 ({RR} 16... Bf5 17. Qe3 Nd7 18.
exd6 exd6 19. Qf2 Bxd4 20. Qxd4 d5 21. Bf3 dxc4 22. bxc4 Qc5 23. Qd2 Nb6 24.
Nd5 Nxd5 25. cxd5 Qd6 26. h3 h5 27. Qd4 Rcd8 28. Rfe1 Rxe1+ 29. Rxe1 Rc8 30.
Qe3 Rd8 31. Qd4 {Yakovich,Y (2525)-Larin,M (2131) St Petersburg 2012 1/2-1/2 
(33)}) 17. Qxe2 Nd7 18. e6 Nf6 19. f5 gxf5 20. Nd5 fxe6 21. Qxe6+ Kh8 22. Nxe7
Rxe7 23. Qxc8+ Ng8 24. Bxg7+ Rxg7 25. Qxf5 Qxa2 26. Qf3 Nf6 27. Rce1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Bittencourt, Jorge"]
[Black "Nascimento, Christian"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "118"]
[EventDate "2021.??.??"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e5 8. h3 Nh5
9. g3 Na6 ({RR} 9... h6 10. Nd2 Nf6 11. Nf1 Nh7 12. g4 Qh4 13. Ne3 a6 14. Ng2
Qe7 15. h4 Rd8 16. Be3 Nd7 17. Qd2 Qf8 18. h5 g5 19. f3 Nhf6 20. Bf2 Ne8 21.
Ne3 Nc7 22. a3 b5 23. cxb5 axb5 24. Nxb5 {Lobanov,S (2516)-Fiorito,F (2370)
chess.com INT 2023 1-0 (32)}) 10. Nh2 Nf6 $146 ({RR} 10... Rb8 11. Bxh5 gxh5
12. Qxh5 f5 13. Bg5 Qd7 14. O-O Nb4 15. Qe2 h6 16. Bh4 h5 17. a3 f4 18. axb4
cxb4 19. Na2 Qxh3 20. Qxh5 f3 21. Nxf3 Bg4 22. Qh7+ Kxh7 23. Ng5+ Kg6 24. Nxh3
Bxh3 25. Rfe1 {Pacheco,D-Boissonet,C Neuquen 1986 1-0 (53)}) 11. g4 Ne8 12. Be3
f5 13. gxf5 gxf5 14. exf5 Bxf5 15. Bg4 Bg6 16. Rg1 Nb4 17. Be6+ Kh8 18. Rxg6
hxg6 19. a3 Na6 20. Qg4 Nf6 21. Qxg6 Qe8 22. Qg2 Nc7 23. Bf5 Rg8 24. Qg5 Qh5
25. h4 Rgf8 26. Bg6 Qxg5 27. hxg5 Ng8 28. Ke2 Ne7 29. Be4 Nf5 30. Ng4 Rab8 31.
Rh1+ Kg8 32. Bxf5 Rxf5 33. Ne4 Ne8 34. b4 cxb4 35. axb4 Rc8 36. Kd3 Rf7 37. Ra1
b6 38. b5 Rfc7 39. Ra4 Kf7 40. Bc1 Kg6 41. Ba3 Rd8 42. Ne3 Bf8 43. Nc2 Rdc8 44.
Bc1 Ng7 45. f4 Nf5 46. fxe5 dxe5 47. Bb2 Rh7 48. Nf6 Rh3+ 49. Kd2 Nd6 50. Nd7
Bg7 51. c5 Rh2+ 52. Kd1 Nxb5 53. c6 Rf2 54. Nxe5+ Bxe5 55. Bxe5 Rd8 56. Ne3
Rff8 57. Kd2 Rfe8 58. Bf6 Rd6 59. Ra1 Rc8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Boabaid, Jorge Alberto"]
[Black "Deves, Rafael"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "128"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Qd2
cxd4 9. Nxd4 Bc5 10. Na4 Qb4 11. Nxc5 Qxd2+ 12. Kxd2 Nxc5 13. Bb5 $146 ({RR} 
13. Bd3 Nxd3 14. Kxd3 Nxd4 15. Bxd4 b6 16. a4 Ba6+ 17. Ke3 O-O 18. a5 b5 19.
Bc5 Rfc8 20. Kd4 Rc7 21. b4 Bc8 22. a6 Rc6 23. Ra5 Rxa6 24. Rxa6 Bxa6 25. Ra1
Bc8 26. Bxa7 Bd7 27. Kc5 Kf8 {Bhuiyan,A (2085)-Bernier,S Elancourt 2003 1-0 
(62)}) ({RR} 13. Nb5 Ne4+ 14. Kd1 O-O 15. Bd3 f5 16. exf6 gxf6 17. f5 Rf7 18.
Ke2 exf5 19. Rhf1 a6 20. Nd4 Re7 21. Rf4 Bd7 22. Kf1 Kf7 23. Rh4 Kg6 24. Ne2
Ng3+ 25. hxg3 Rxe3 26. Kf2 Re5 27. Rah1 Rh8 {Fernandez Siles,L (2256)-Arias
Giraldo,L (1701) Malaga ESP 2021 1-0 (32)}) 13... Ne4+ 14. Ke2 Bd7 15. Nxc6
Bxc6 16. Bd3 f5 17. exf6 gxf6 18. Bd4 Ke7 19. b4 a6 20. a4 b5 21. a5 Rhg8 22.
g3 Be8 23. Bxe4 dxe4 24. Bc5+ Kf7 25. Rhd1 Bc6 26. Rd6 Bd5 27. Rd7+ Kg6 28. g4
Rgd8 29. f5+ exf5 30. gxf5+ Kxf5 31. Rf1+ Kg6 32. Rg1+ Kf5 33. Rxh7 Bc4+ 34.
Ke3 Rh8 35. Rgg7 Rxh7 36. Rxh7 Rg8 37. Bd6 Bd5 38. Kd4 Ke6 39. Bg3 Rc8 40. Ra7
Rc6 41. Be1 Rc4+ 42. Ke3 Rc6 43. Rh7 Rxc2 44. Rh6 Bc4 45. Bd2 Bd5 46. h4 Kf5
47. Rh5+ Ke6 48. Rh8 f5 49. Be1 Rh2 50. Rh6+ Kf7 51. Kf4 Re2 52. Bc3 Rf2+ 53.
Ke5 Rf3 54. Bd4 Bc4 55. Rxa6 e3 56. Rf6+ Kg8 57. Rg6+ Kh7 58. Rg1 e2 59. Re1
Rh3 60. a6 Ra3 61. a7 Bd3 62. Rg1 Kh6 63. Bf2 Ra4 64. Be1 Rxa7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Bocca, Edson Ricardo"]
[Black "Monteiro, Marcos Paulo"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d3 g6 5. Be2 Bg7 6. O-O O-O 7. h3 Nc6 8. Bd2 (
{RR} 8. a4 Rb8 9. Nh2 Bd7 10. f4 a6 11. f5 b5 12. Ng4 Nxg4 13. Bxg4 b4 14. Ne2
Ne5 15. Ng3 Nxg4 16. Qxg4 b3 17. c3 c4 18. d4 Qb6 19. Be3 e5 20. Ne2 exd4 21.
Nxd4 Qb7 22. f6 Bxg4 {okemakindetoluwani (2327)-Rego,V (2390) lichess.org 2020
0-1 (67)}) ({RR} 8. d4 Qb6 9. d5 Nb8 10. Re1 Re8 11. Nd2 Bd7 12. Nc4 Qc7 13. a4
Na6 14. Bf4 Nb4 15. e5 dxe5 16. Nxe5 Qd8 17. Bc4 Bf5 18. Rc1 Qb6 19. g4 Bc8 20.
Qf3 e6 21. d6 Rd8 22. Bg5 Rxd6 {Riojas Rebata,O (1438)-Hidalgo Valladolid,R 
(1113) Lima PER 2023 1-0 (42)}) 8... Bd7 9. Qc1 $146 ({RR} 9. a4 a6 10. Rb1 Qc7
11. b3 Rfc8 12. Nd5 Nxd5 13. exd5 Nb4 14. c4 e6 15. dxe6 Bxe6 16. Bf4 Qd7 17.
Ng5 Bf5 18. Ne4 d5 19. Ng3 dxc4 20. dxc4 Qe6 21. Nxf5 Qxf5 22. Be3 Rd8 23. Qc1
Bd4 {Forschner,W-Kuhne,D (2151) Bad Wildbad 1999 0-1 (75)}) 9... Re8 10. a3 a6
11. Nd1 b5 12. c3 Qb6 13. Qc2 Rec8 14. Ne3 h6 15. Nh2 Be6 16. Nhg4 Nxg4 17.
Bxg4 Bxg4 18. Nxg4 Kh7 19. Be3 h5 20. Nh2 Qb7 21. g4 hxg4 22. Nxg4 Ne5 23. Nxe5
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Braga, Marcelo Melem"]
[Black "Fontoura, Alexandre"]
[Result "0-1"]
[ECO "A84"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 f5 3. a3 Nf6 ({RR} 3... b6 4. Nf3 Bb7 5. e3 Nf6 6. h3 d6 7. Be2
Nbd7 8. b4 Be7 9. Bb2 O-O 10. O-O Ne4 11. Nc3 Ndf6 12. Qb3 Nxc3 13. Bxc3 Ne4
14. Bb2 g5 15. d5 e5 16. Qc2 Bc8 17. Nh2 Qe8 18. f4 {Mhitarjan,S (1768)-Mezhov,
D (1974) Sochi RUS 2019 0-1 (31)}) 4. Bg5 ({RR} 4. g3 Be7 5. Bg2 O-O 6. Nc3 d6
7. Nf3 Qe8 8. O-O Qh5 9. c5 dxc5 10. dxc5 Bxc5 11. b4 Bd6 12. Nb5 Ne4 13. Bb2
Nc6 14. Rc1 a6 15. Nxd6 cxd6 16. a4 e5 17. Nd2 Rf6 18. Nxe4 fxe4 {Miladinovic,
I (2607)-Todorovic,J (2381) Vrsac 2007 1-0}) 4... Be7 5. Nc3 b6 $146 ({RR} 5...
O-O 6. Nf3 Ne4 7. Bxe7 Qxe7 8. e3 b6 9. Bd3 Bb7 10. O-O d6 11. Nd2 Nxc3 12.
bxc3 Nd7 13. a4 e5 14. a5 Qg5 15. e4 Rf6 16. a6 Bc6 17. Nf3 Qg4 18. d5 fxe4 19.
dxc6 exf3 20. Qxf3 {Martin Taboada,J-Gomez Cordonie,A Malaga 1999 0-1}) 6. Nf3
Bb7 7. e3 h6 8. Bxf6 Bxf6 9. e4 g6 10. g3 O-O 11. Bh3 Bg7 12. Qd2 c5 13. Ne5
Kh7 14. O-O d6 15. Nf3 fxe4 16. Nh4 g5 17. Ng2 Qf6 18. Rad1 d5 19. Rfe1 Nc6 20.
cxd5 Nxd4 21. Nxe4 Nf3+ 22. Kh1 Qg6 23. Qe2 Qh5 24. Nd2 Bxd5 25. Qd3+ Kh8 26.
Nxf3 Rxf3 27. Re3 Rxe3 28. fxe3 Qxh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Brito, Luismar"]
[Black "Silva, Guilherme H"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. Nc3 c5 2. Nf3 e6 3. e4 a6 4. a4 Nc6 5. g3 d6 6. Bg2 Nf6 7. O-O Be7 8. d3 ({
RR} 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 e5 11. Qd3 Be6 12. Bg5 Nd7 13. Bxe7 Kxe7
14. Rfd1 Nf6 15. a5 b5 16. axb6 Qxb6 17. b3 Rhc8 18. Rd2 Rc6 19. Nd1 Rac8 20.
Ne3 a5 21. c4 g6 22. Ra3 Rb8 {Nepomniachtchi,I (2784)-Shankland,S (2691) chess.
com INT 2020 1-0 (40)}) 8... O-O 9. Bf4 Rb8 $146 ({RR} 9... Nd7 10. h4 Rb8 11.
Re1 b5 12. axb5 axb5 13. Bg5 Nde5 14. Bxe7 Nxf3+ 15. Qxf3 Qxe7 16. Qf4 b4 17.
Ne2 e5 18. Qd2 Bg4 19. f3 Be6 20. Ra6 Qb7 21. Rea1 Ra8 22. Rxa8 Rxa8 23. Rxa8+
Qxa8 24. c3 {Kristovic,M (2315)-Kutuzovic,B (2465) Pula 1999 1/2-1/2 (33)}) 10.
Qd2 b5 11. axb5 axb5 12. e5 dxe5 13. Nxe5 Nxe5 14. Bxe5 Bd6 15. Bxf6 gxf6 16.
Ra7 f5 17. Qh6 Be5 18. Rfa1 Qb6 19. Qg5+ Kh8 20. Qe7 Kg7 21. Ne4 h6 22. Nxc5
Bxb2 23. R1a6 Bxa6 24. Rxa6 Bf6 25. Qxf6+ Kxf6 26. Nd7+ Ke7 27. Nxb6 Rfd8 28.
Bc6 Kd6 29. Bf3 Kc5 30. Na8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Brito, Vicente"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nc3 cxd4 5. exd4 Bf5 6. g4 ({RR} 6. Bd3 Bxd3 7.
Qxd3 e6 8. Nf3 Bd6 9. Ne2 Bxf4 10. Nxf4 Qb6 11. O-O Nf6 12. Rab1 O-O 13. c3
Rac8 14. Rfe1 Qa6 15. Qxa6 bxa6 16. Nd3 Nd7 17. b4 a5 18. Nc5 Ncb8 19. Rec1 Rc7
20. Ne1 axb4 {Bluebaum,M (2647)-Lupulescu,C (2656) PlayChess INT 2020 1/2-1/2 
(43)}) 6... Bg6 7. h4 h6 8. Nf3 $146 ({RR} 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6
11. O-O-O Bd6 12. Bxd6 Qxd6 13. Nge2 O-O-O 14. f4 Nf6 15. Qf3 Nd7 16. Nb5 Qb4
17. Qb3 Qxb3 18. axb3 Nf6 19. Rhg1 a6 20. Nbc3 b5 21. Kd2 Kb7 22. Ke3 Nb4 {
Schulz,M (2233)-Asendorf,J (2298) Verden an der Aller 2014 1-0 (63)}) ({RR} 8.
h5 Bh7 9. Bd3 Bxd3 10. Qxd3 a6 11. O-O-O e6 12. Qe3 Nf6 13. f3 Bd6 14. Nge2
Bxf4 15. Nxf4 Qd6 16. Nd3 Nd7 17. f4 O-O-O 18. Na4 b6 19. Ne5 Ncxe5 20. fxe5
Qb4 21. Nc3 Kb7 22. Rhf1 Qe7 {Delgado Pico,L (1989)-Travesset Ribera,D (2101)
Barcelona ESP 2022 1/2-1/2}) 8... a6 9. Ne5 Nxe5 10. Bxe5 e6 11. h5 Bh7 12. Bd3
Bxd3 13. Qxd3 Nf6 14. f3 Bb4 15. O-O O-O 16. Ne2 Bd6 17. Qe3 Nh7 18. Nf4 Bxe5
19. Qxe5 Qb6 20. Rab1 Rac8 21. c3 Rfe8 22. Kg2 f6 23. Qe2 Nf8 24. Rbe1 Qd6 25.
Nd3 Rc7 26. f4 Nh7 27. Rf3 b6 28. Re3 Rce7 29. Qf3 a5 30. b4 axb4 31. Nxb4 Kf8
32. g5 hxg5 33. h6 gxf4 34. R3e2 g6 35. Nd3 g5 36. Qh5 e5 37. Qg6 e4 38. Ne5
Qe6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cabral, Denrick"]
[Black "Marra, Eduardo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "136"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nf6 6. Nf3 g6 7. Nc3 Qd8 8.
Bc4 Bg7 9. O-O O-O 10. h3 Nc6 ({RR} 10... b6 11. Re1 Nc6 12. a3 Bb7 13. Bg5 Rc8
14. Ba2 h6 15. Bh4 e6 16. Rc1 Ne7 17. Bg3 Nf5 18. Be5 Bxf3 19. Qxf3 Nxd4 20.
Qb7 Nd7 21. Bxg7 Kxg7 22. b4 Rc7 23. Qe4 Nf6 24. Qe5 Nc6 25. Qe3 {Kelleher,W 
(2417)-Wojtkiewicz,A (2637) Lowell 2003 1-0 (42)}) ({RR} 10... Nbd7 11. Bf4 Nb6
12. Bb3 Nbd5 13. Be5 b6 14. Nxd5 Nxd5 15. Bxg7 Kxg7 16. Qe2 Bb7 17. Rac1 e6 18.
Qe5+ Kg8 19. Ng5 Qb8 20. Ne4 Qxe5 21. dxe5 Nf4 22. Nf6+ Kg7 23. Rc7 Bxg2 24.
Rd1 Bf3 25. Rdd7 {Silva,J (1883)-Tomiello,L (2263) Florianópolis - Santa
Catari 2023 0-1 (31)}) 11. Be3 $146 ({RR} 11. a3 b6 12. Re1 Bb7 13. Bg5 Na5 14.
Ba2 Rc8 15. Ne5 Nd5 16. Nxd5 Bxd5 17. Bxe7 Qxe7 18. Nxg6 Qg5 19. Ne7+ Kh8 20.
Nxd5 Nc4 21. Qf3 Bxd4 22. Rac1 Ne5 23. Qd1 Rxc1 24. Qxc1 Nf3+ 25. Kh1 Qh5 {
Mikhailovsky,V (2228)-Fathy,E (2307) chess.com INT 2020 1-0 (39)}) 11... Na5
12. Bd3 Be6 13. b3 Nc6 14. Rc1 Nb4 15. Ng5 Bd5 16. Nxd5 Nfxd5 17. Bc4 e6 18.
Ne4 Nxa2 19. Ra1 Nab4 20. Bg5 Qd7 21. Qf3 b6 22. Ra4 a5 23. Bxd5 Nxd5 24. Nf6+
Nxf6 25. Bxf6 Bxf6 26. Qxf6 b5 27. Ra2 Qd5 28. Rfa1 b4 29. Qe5 Qxb3 30. Rxa5
Rxa5 31. Rxa5 Rd8 32. Rb5 Qd1+ 33. Kh2 Qxd4 34. Qe1 Qc3 35. Qb1 Rd2 36. Rxb4
Rxf2 37. Qe4 Qc7+ 38. Kg1 Rf5 39. Rc4 Qb6+ 40. Kh2 Qd6+ 41. Kg1 Re5 42. Qa8+
Kg7 43. Qa1 g5 44. Re4 f6 45. Rxe5 Qxe5 46. Qa7+ Kg6 47. Qe7 f5 48. Qe8+ Kh6
49. Qf8+ Qg7 50. Qd8 Kg6 51. Kf1 h5 52. g3 Qf6 53. Qg8+ Kh6 54. h4 gxh4 55.
gxh4 e5 56. Qg3 f4 57. Qc3 Qe6 58. Kf2 Kg6 59. Qd3+ e4 60. Qd8 Qa2+ 61. Kf1
Qc4+ 62. Kg1 Qc1+ 63. Kh2 Qc2+ 64. Kg1 Qc5+ 65. Kf1 Qe5 66. Qg8+ Kf5 67. Qg2
Qa1+ 68. Kf2 Qb2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Campelo, Danilo"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "B98"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
h6 9. Bxf6 Bxf6 10. O-O-O Qb6 11. Nb3 Nd7 ({RR} 11... Bd7 12. Kb1 Be7 13. f5
Nc6 14. g3 Ne5 15. Qe2 Rc8 16. Bh3 O-O 17. Ka1 Bf6 18. fxe6 fxe6 19. Rhf1 Nc4
20. Rd3 Qb4 21. Nd1 Ne5 22. a3 Qb6 23. Rd2 Nc4 24. Rxf6 Rxf6 25. Rd4 Na5 26.
Qd3 {Lobanov,S (2516)-Firouzja,A (2749) chess.com INT 2021 0-1 (39)}) 12. g4
Qc7 13. Bg2 ({RR} 13. h4 Bxc3 14. bxc3 b5 15. g5 Bb7 16. g6 O-O-O 17. gxf7 Nf6
18. Bh3 Qxf7 19. Rhe1 Kb8 20. Na5 Rhe8 21. Kb2 d5 22. e5 Ne4 23. Bg2 Rc8 24.
Re3 Nc5 25. f5 Na4+ 26. Ka1 d4 27. Nxb7 Qxb7 {Sagita,C (2332)-Avazkhonov,A 
(1538) chess.com INT 2023 1-0}) 13... g5 $146 ({RR} 13... Nb6 14. Rd3 Bd7 15.
Rhd1 Be7 16. f5 Nc4 17. Qe2 Rc8 18. Re1 b5 19. Kb1 b4 20. Nd1 Ne5 21. Rh3 Bb5
22. Qd2 Bg5 23. Ne3 Nxg4 24. Qd1 {0-1 (24) Cueto Chajtur,J (2165)-Vera
Gonzalez Quevedo,R (2495) Cascavel 1996}) 14. e5 Be7 15. exd6 Bxd6 16. f5 Bf4+
17. Kb1 Ne5 18. Qe2 Bd7 19. fxe6 fxe6 20. Ne4 Ke7 21. Nd4 Rad8 22. h4 Bc8 23.
hxg5 hxg5 24. Rxh8 Rxh8 25. Nc3 Kf7 26. Rh1 Rxh1+ 27. Bxh1 Qc4 28. Qxc4 Nxc4
29. Ne4 Ne3 30. Bf3 Ke7 31. Nc5 b6 32. Na4 e5 33. Nxb6 Bxg4 34. Nc6+ Kd6 35.
Be4 Bf5 36. Bxf5 Kxc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cardoso, Lucas do Valle"]
[Black "Custodio, Leandro"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. d5 Nb8 6. h3 Bxf3 7. Qxf3 c6 8. Bd2
({RR} 8. Bc4 g6 9. Bg5 Bg7 10. O-O-O O-O 11. e5 Ne8 12. Rhe1 Qc7 13. exd6 Nxd6
14. Rxe7 Qa5 15. Bb3 c5 16. Ne4 Nf5 17. Rxb7 Nd4 18. Nf6+ Kh8 19. Qe4 Qa6 20.
d6 Nbc6 21. Qh4 h5 22. Nxh5 Nf5 {Simonian,H (2431)-Bachmann,A (2604) chess.com
INT 2023 0-1}) 8... g6 9. O-O-O Nbd7 10. g4 h5 $146 ({RR} 10... h6 11. h4 h5
12. gxh5 Rxh5 13. Be2 Bh6 14. Qg2 Bxd2+ 15. Rxd2 Rh8 16. f4 Qb6 17. Qg3 Nc5 18.
Bf3 O-O-O 19. dxc6 bxc6 20. e5 Nh5 21. Bxh5 Rxh5 22. exd6 exd6 23. f5 Rxf5 24.
Rxd6 Rxd6 25. Qxd6 {Tukhaev,A (2534)-Sevostianov,P (2267) Evpatoria 2009 1/2-1/
2 (41)}) 11. g5 Nh7 12. Qg3 Bg7 13. f4 O-O 14. Bd3 Re8 15. e5 Nhf8 16. e6 fxe6
17. dxe6 Nc5 18. Rhe1 Qa5 19. Kb1 Nxd3 20. Qxd3 Qf5 21. Qe3 b5 22. Ne4 Qxe6 23.
Bc3 Qf7 24. Bxg7 Qxg7 25. f5 Nd7 26. f6 exf6 27. Rxd6 Kh8 28. Qd2 Nb6 29. gxf6
Qf8 30. f7 Qxf7 31. Qh6+ Qh7 32. Qxh7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cardoso, Marcio"]
[Black "Zallio, Luciano"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "104"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 Nc6 7. Be3 Qa5 8.
O-O O-O ({RR} 8... Nxd4 9. Bxd4 e5 10. a3 Be7 11. b4 Qc7 12. Nb5 Qb8 13. Bb2 a6
14. Nc3 d6 15. Qe2 O-O 16. Nd1 Bg4 17. f3 Be6 18. Ne3 Nh5 19. g3 g6 20. Bc4 Bg5
21. Nd5 Qa7+ 22. Kg2 Rac8 23. Rad1 {Muhren,B (2282)-Michielsen,J (2285)
Hengelo 2004 1-0}) ({RR} 8... Bxc3 9. bxc3 Qxc3 10. Nb5 O-O 11. Nxc3 Ne5 12. h3
d5 13. exd5 exd5 14. Bd4 Nxd3 15. Qxd3 Be6 16. Bxf6 gxf6 17. Qg3+ Kh8 18. Qh4
Rg8 19. Qxf6+ Rg7 20. Kh2 Rag8 21. g3 h6 22. Rfe1 Kh7 23. Re5 {Egoroff,J (2207)
-alisher77umarov7 (1988) lichess.org 2020 1-0 (36)}) 9. Nb3 Qd8 10. f4 d5 $146
({RR} 10... e5 11. Qf3 Bxc3 12. bxc3 d5 13. exd5 Qxd5 14. fxe5 Qxf3 15. Rxf3
Nxe5 16. Rff1 Re8 17. Bd4 Bd7 18. Rae1 Nxd3 19. cxd3 Nd5 20. Rxe8+ Rxe8 21. Nc5
Bc6 22. Ne4 Nc7 23. Bxa7 Nb5 24. Bd4 Nxd4 25. cxd4 {Skrzypinski,M (1603)
-Barburzynska,M (1945) Wroclaw 2010 1/2-1/2}) 11. e5 Ne8 12. Qh5 f5 13. Ne2 g6
14. Qh3 Rf7 15. Kh1 Bf8 16. Nbd4 Nb4 17. Bd2 Nxd3 18. Qxd3 Bd7 19. Nf3 Be7 20.
Ned4 Rc8 21. Rg1 h5 22. g3 Qb6 23. a4 Nc7 24. b4 Na6 25. c3 Rc4 26. Be3 Qd8 27.
Nd2 Rc8 28. N2b3 Nc7 29. Nf3 Ra8 30. Rgd1 Qe8 31. b5 b6 32. Rac1 Qb8 33. Qd4
Qb7 34. Kg2 Rb8 35. c4 Ba3 36. Ra1 dxc4 37. Rxa3 cxb3 38. Rxb3 Nd5 39. Kf2 Rc8
40. Bc1 Rc2+ 41. Bd2 Rf8 42. Ne1 Rc7 43. Rc1 Rcc8 44. Rbb1 a6 45. Rxc8 Rxc8 46.
Qd3 axb5 47. axb5 Qa8 48. Nf3 Qa2 49. Ke1 Rc2 50. Rd1 Qa4 51. Nd4 Rc4 52. Be3
Rc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Carrico, Victor Hugo"]
[Black "Santos, Wenesley"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Be2 Nc6 8. O-O
Nxd4 ({RR} 8... d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Bf3 Be6 12. Nxe6 fxe6 13. Re1
Be7 14. c4 O-O 15. cxd5 Ne5 16. Be4 Bb4 17. Qh5 Ng6 18. Red1 Qf6 19. dxe6 Be7
20. Rd7 Rac8 21. Bd4 Qf4 22. Qe2 Qg5 23. Bxg6 {Chappell,A (1808)-Reddy,S (1449)
Durban 2017 1-0}) 9. Qxd4 e5 10. Qd2 $146 ({RR} 10. Qd1 Be7 11. a4 Be6 12. a5
Rc8 13. Bb6 Qd7 14. Bf3 g5 15. Re1 Rg8 16. Re3 Qc6 17. Rc1 g4 18. Be2 Bd8 19.
Nd5 Bxd5 20. Rc3 Qd7 21. Rxc8 Qxc8 22. exd5 Bxb6 23. axb6 Qc5 24. c4 Ne4 {
Daamen,F (2143)-Borda,L (2085) Budapest 2004 1/2-1/2}) 10... Be7 11. f4 O-O 12.
Kh1 b5 13. Bf3 Bg4 14. fxe5 dxe5 15. Nd5 Bxf3 16. Nxe7+ Qxe7 17. gxf3 Rfd8 18.
Qg2 Nh5 19. Rg1 Kh8 20. Qg4 g6 21. Bh6 Qd7 22. Bg5 f6 23. Qxh5 fxg5 24. Qxg5
Qe6 25. Rad1 Rf8 26. Kg2 Kg7 27. Rd5 Rae8 28. Rgd1 Rf7 29. a4 bxa4 30. Qd2 Qf6
31. Qd3 Qg5+ 32. Kh1 Qh5 33. Rd7 Ref8 34. c4 Rxd7 35. Qxd7+ Rf7 36. Qg4 Rxf3
37. Rd7+ Rf7 38. Qxh5 gxh5 39. Rd5 Rc7 40. c5 Kf6 41. Rd6+ Ke7 42. Rxa6 Rxc5
43. Rxa4 Rc2 44. b3 h4 45. Kg1 h3 46. Ra7+ Kd6 47. Rxh7 Rc1+ 48. Kf2 Rc2+ 49.
Kg3 Rc3+ 50. Kg4 Rxb3 51. Rxh3 Rb8 52. Rh6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Carvalho, Amauri"]
[Black "Lima, Vinicius Taishun"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. b3 c5 2. Bb2 Nc6 3. e3 e5 4. Bb5 Nge7 5. Ne2 g6 6. f4 ({RR} 6. d4 exd4 7.
exd4 Bg7 8. Bc3 cxd4 9. Nxd4 O-O 10. O-O Qb6 11. Nxc6 dxc6 12. Bxg7 Kxg7 13.
Bc4 Nf5 14. Nc3 Qd4 15. Qe1 b5 16. Rd1 Qc5 17. Ne4 Qe5 18. Bd3 Be6 19. Ng5 Qxe1
20. Rfxe1 Rfe8 {Kourkoulos Arditis,S (2537)-Samunenkov,I (2485) Tornelo INT
2023 1-0 (34)}) 6... d6 7. O-O Bg7 8. c4 $146 ({RR} 8. Nbc3 a6 9. Bxc6+ Nxc6
10. e4 f5 11. exf5 gxf5 12. Ng3 O-O 13. d3 exf4 14. Nh5 Be5 15. Nxf4 Qg5 16.
Qd2 Bd7 17. Rab1 Ne7 18. Nce2 Ng6 19. d4 cxd4 20. Bxd4 Bc6 21. Be3 Rae8 22. Rf2
Rf7 {Rukavina,D (2330)-Popovic,B (2280) Pula 1998 1/2-1/2}) 8... O-O 9. Nbc3 a6
10. Bxc6 Nxc6 11. Nd5 Be6 12. Nec3 b5 13. a3 Rb8 14. Rb1 f5 15. Ba1 bxc4 16.
bxc4 Qa5 17. Qa4 Qxa4 18. Nxa4 exf4 19. Bxg7 Kxg7 20. exf4 Bxd5 21. cxd5 Nd4
22. Nb6 Rfd8 23. Nc4 Rb5 24. Kf2 Kf8 25. d3 Ke7 26. a4 Rb4 27. a5 Rdb8 28.
Rfe1+ Kd7 29. Nb6+ Kd8 30. Rxb4 cxb4 31. Rb1 b3 32. Ke3 Nc2+ 33. Kd2 Nd4 34. g3
Kc7 35. Kc3 Nb5+ 36. Kb4 Re8 37. Rc1+ Kb7 38. Kxb3 Nd4+ 39. Kb4 Nb5 40. Rc6 Re2
41. Nc4 Rxh2 42. Nxd6+ Nxd6 43. Rxd6 Rb2+ 44. Ka3 Rb5 45. Ka4 Kc7 46. Rc6+ Kb7
47. Rb6+ Rxb6 48. axb6 Kxb6 49. d6 Kc6 50. d7 Kxd7 51. Ka5 Kc6 52. Kxa6 h6 53.
Ka5 Kc5 54. Ka4 Kd4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Carvalho, Willian"]
[Black "Bisesar, Maycon"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "122"]
[EventDate "2021.??.??"]

1. e4 {Stohl,I} d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be2 Na6 ({RR} 
6... c5) ({RR} 6... c6 7. O-O Na6 8. Kh1 ({RR} 8. e5) 8... Nc7 9. a4 b6 10. Be3
c5 11. Qd2 Bb7 12. e5 Nfd5 13. Nxd5 Nxd5 14. Bg1 Bh6 15. Ng5 dxe5 16. dxe5 Nb4)
7. Bxa6 ({RR} 7. e5 Nd7 ({RR} 7... Ne8 8. Be3 Bf5 9. O-O) 8. O-O ({RR} 8. Ne4
c5 9. c3) 8... c5 9. Be3 ({RR} 9. dxc5 dxe5) 9... cxd4 10. Qxd4 ({RR} 10. Bxd4
dxe5 11. fxe5 Nc7 12. Bc4 Nb6) 10... b6 ({RR} 10... dxe5 11. fxe5 Nc7 12. Rad1
Ne6 13. Qh4) 11. Rad1 Bb7 12. Qd2 Ndc5 13. exd6 Qxd6 ({RR} 13... exd6 14. f5)
14. Qxd6 exd6 15. Bd4 ({RR} 15. Rxd6 Rfe8 16. Bd4 ({RR} 16. Kf2 Bxc3) 16... Bf8
17. Bxc5 Nxc5) 15... Bh6 16. g3 ({RR} 16. f5 Nb4) 16... Nc7 ({RR} 16... Nb4 17.
Rd2 Ne4 18. Nxe4 Bxe4 19. c3 Nc6 20. Bf6 d5 21. Ng5) 17. Bf6 Rfe8 ({RR} 17...
d5 18. Be5 N5e6 19. Nd4) 18. Rxd6 Nd5 19. Rxd5 Bxd5 20. Bb5 Bb7 21. Bxe8 Rxe8 {
Gelfand,B (2665)-Speelman,J (2630) Linares 1992 CBM 028 [Stohl,I] 1/2-1/2 (55)}
) ({RR} 7. O-O c5 8. Kh1 ({RR} 8. e5 Ne8 9. dxc5 Nxc5 10. Be3 b6 11. Qd2 Bb7
12. Rad1 Qc8 13. Nd5 Qd7 14. Qe1 e6 15. Nc3 Qe7 16. Qg3 Rc8) 8... b6 ({RR} 8...
cxd4 9. Nxd4 Nc5 10. Bf3 a6) 9. a4 Bb7 10. d5 e6 11. dxe6 fxe6 12. Ng5 Nc7 13.
f5 exf5 14. exf5 gxf5 15. Bf4 h6 16. Bc4+) 7... bxa6 8. O-O Bg4 $146 ({RR} 8...
c6 9. h3 e6 10. Be3 Rb8 11. Rb1 a5 12. Qd2 Qc7 13. g4 d5 14. f5 Qg3+ 15. Qg2
Qxg2+ 16. Kxg2 dxe4 17. Ne5 exf5 18. Nxc6 Rb7 19. g5 Nh5 20. Na4 Rc7 21. d5 Bb7
22. c3 Bxc6 23. dxc6 {Spasov,A (1828)-Stosevski,I (1944) Skopje MKD 2023 0-1 
(37)}) 9. h3 Bd7 10. a4 c6 11. e5 Ne8 12. Nh4 e6 13. Nf3 c5 14. dxc5 dxc5 15.
Ne4 Rc8 16. Be3 Nc7 17. Bxc5 Nd5 18. Bxf8 Qxf8 19. Qd2 Rc4 20. Qd3 Qc8 21. Nd4
Nb4 22. Qe3 Nd5 23. Qd2 Bf8 24. Kh1 Be7 25. b3 Rc7 26. c4 Nb4 27. Nd6 Qb8 28.
Kh2 Nc6 29. Rab1 Nxd4 30. Qxd4 Bc6 31. g4 Qb4 32. f5 Rd7 33. fxe6 fxe6 34. Qf4
Rxd6 35. Qf7+ Kh8 36. exd6 Bxd6+ 37. Kg1 Bc5+ 38. Rf2 Qc3 39. Kh2 Bd6+ 40. Kg1
Qg3+ 41. Kf1 Qd3+ 42. Kg1 Qxb1+ 43. Rf1 Qb2 44. Qf6+ Qxf6 45. Rxf6 Bd7 46. Kf1
Kg7 47. Rf3 Bc6 48. Rd3 Bc7 49. b4 Kf7 50. b5 axb5 51. axb5 Be8 52. Ke2 Ke7 53.
g5 Bd7 54. Ke3 e5 55. h4 Bf5 56. Rd5 Ke6 57. Rd2 Bb6+ 58. Ke2 Bd4 59. Ra2 e4
60. Ra6+ Ke5 61. Rc6 Bg4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cavalcante, Rodrigo"]
[Black "Filgueiras, Nathan"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Nc3 O-O 8. Bg5
d5 ({RR} 8... h6 9. Bxf6 Bxf6 10. Qd2 Bg7 11. e4 d6 12. b4 a5 13. a3 Nd7 14.
Rac1 Qe7 15. d5 Ba6 16. Ne2 axb4 17. axb4 exd5 18. exd5 Rfe8 19. Ned4 Qf6 20.
Bh3 Ne5 21. Nxe5 Rxe5 22. Nc6 Re4 23. b5 {Wang,Y (2720)-Mamedyarov,S (2765)
Beijing 2014 1/2-1/2 (34)}) ({RR} 8... d6 9. e4 h6 10. Bxf6 Bxf6 11. e5 Bg7 12.
Qe2 dxe5 13. dxe5 Nc6 14. Rfd1 Qe7 15. Qe3 Rad8 16. b3 Nb4 17. Rac1 Rxd1+ 18.
Rxd1 Rd8 19. Rxd8+ Qxd8 20. Ne1 Bxg2 21. Kxg2 g5 22. a3 Nc6 23. Nd3 {Enkhtuul,
A (2231)-Bashirli,N (2327) chess.com INT 2023 0-1}) 9. cxd5 exd5 10. Rc1 $146 (
{RR} 10. Qd2 c6 11. Bh6 Nbd7 12. Bxg7 Kxg7 13. Qg5 Ne4 14. Qxd8 Raxd8 15. e3 c5
16. Rfd1 Ndf6 17. Rac1 Ng4 18. Rc2 f5 19. h3 Ngf6 20. h4 Nh5 21. Nxe4 fxe4 22.
Ng5 Rf6 23. dxc5 Rc8 24. Rdc1 Rfc6 {Rodrigues,L-Leite,J (1730) Joao Pessoa
2013 1-0 (33)}) 10... Re8 11. Ne5 h6 12. Be3 Qe7 13. Qb3 c6 14. f4 Nbd7 15. Bf2
Red8 16. e4 Rac8 17. exd5 cxd5 18. Nxd5 Bxd5 19. Bxd5 Nxe5 20. Rxc8 Rxc8 21.
fxe5 Nxd5 22. Qxd5 Rc2 23. Qb3 Qc7 24. Be1 Re2 25. Bc3 Qb7 26. Rf2 Rxf2 27.
Kxf2 Qh1 28. Qc4 Qxh2+ 29. Kf3 Qh1+ 30. Kf2 Qh2+ 31. Kf3 h5 32. Qf1 Qc2 33. Qe2
Qb1 34. a3 g5 35. Kg2 h4 36. g4 Bf8 37. e6 h3+ 38. Kxh3 Qh1+ 39. Qh2 Qf1+ 40.
Qg2 Qd3+ 41. Qg3 Qh7+ 42. Kg2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cilento, Lucas"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "C67"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5 O-O 7. Qe2 d5 ({RR
} 7... Nc5 8. Nc3 a6 9. Bc4 d6 10. Be3 dxe5 11. Rad1 Qe8 12. Rfe1 Bg4 13. Bd5
Rd8 14. h3 Bxf3 15. Qxf3 Nd4 16. Qh5 c6 17. Bc4 Nxc2 18. Rxd8 Qxd8 19. Rd1 Qc7
20. Bxc5 Bxc5 21. Ne4 Be7 22. f4 {Bologan,V (2684)-Malakhov,V (2721) Dagomys
2010 0-1}) ({RR} 7... d6 8. exd6 Nxd6 9. Bxc6 bxc6 10. h3 Re8 11. Qd1 Bb7 12.
Nc3 Bf6 13. Bf4 Qd7 14. Qd2 Rad8 15. Na4 Qf5 16. Rfe1 c5 17. Rxe8+ Rxe8 18.
Bxd6 cxd6 19. Qxd6 Bxf3 20. gxf3 Qxc2 21. Qd7 Rd8 22. Qxa7 {Sandberg,M (1889)
-Thorsteinsson,E (2119) Reykjavik 2015 0-1 (56)}) 8. Nc3 Nxc3 9. bxc3 Bg4 $146
({RR} 9... a6 10. Bd3 Bg4 11. h3 Bxf3 12. gxf3 Qd7 13. Kg2 Qe6 14. f4 f6 15.
Qh5 f5 16. Kh2 Na5 17. Rg1 Nc4 18. Rg3 Kh8 19. Be3 g6 20. Qf3 b5 21. Rag1 Bh4
22. R3g2 Nb2 23. Qe2 Na4 24. Qd2 {Bartel,M (2609)-Malakhov,V (2722) Warsaw
2010 0-1 (41)}) 10. Bxc6 bxc6 11. h3 Bh5 12. g4 Bg6 13. Nd4 Qd7 14. f4 Be4 15.
Be3 c5 16. Nb3 Qc6 17. Qf2 c4 18. Nd4 Qh6 19. Kh2 c5 20. Nf5 Bxf5 21. gxf5 Qh5
22. f6 gxf6 23. Rg1+ Kh8 24. exf6 Bxf6 25. Bxc5 Rg8 26. Bd4 Qf5 27. Bxf6+ Qxf6
28. Qd4 Qxd4 29. cxd4 Rae8 30. Rge1 Rxe1 31. Rxe1 Rb8 32. Re7 Rb2 33. Rxa7
Rxc2+ 34. Kg3 Rd2 35. a4 Rxd4 36. a5 c3 37. a6 Ra4 38. Rc7 d4 39. a7 Rxa7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cinta Larga, Carlos E"]
[Black "Messias, Jose Vitor"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bb4 5. O-O O-O 6. d3 h6 7. Nd5 Ba5 8. c3
d6 9. b4 Bb6 10. a4 a6 11. Nxb6 cxb6 12. Qc2 $146 ({RR} 12. h3 Be6 13. Ba2 Rc8
14. Be3 d5 15. b5 Ne7 16. Nxe5 dxe4 17. Bxe6 fxe6 18. dxe4 Nxe4 19. Qxd8 Rfxd8
20. c4 Nc5 21. bxa6 bxa6 22. a5 b5 23. cxb5 axb5 24. a6 Nd5 25. Rfb1 Nxe3 26.
fxe3 Ra8 {Schoenberger,P (2152)-Christiansmeier,S (1888) Seefeld 2001 1-0 (44)}
) ({RR} 12. h3 d5 13. exd5 Nxd5 14. Re1 Be6 15. Bb2 Qc7 16. b5 axb5 17. axb5
Na5 18. Bxd5 Bxd5 19. Nxe5 Rad8 20. c4 Be6 21. Bc3 Rfe8 22. Qf3 f6 23. Ng4 Nb3
24. Ra7 Nc5 25. d4 Bxg4 26. hxg4 Rxe1+ {Hauge,L (2483)-Pantzar,M (2417)
chess24.com INT 2020 1/2-1/2 (58)}) 12... Bg4 13. Ne1 Rc8 14. f4 Be6 15. fxe5
dxe5 16. b5 Nd4 17. cxd4 Qxd4+ 18. Kh1 Qxa1 19. Bb2 Rxc4 20. dxc4 Qa2 21. bxa6
bxa6 22. Nf3 Qxc4 23. Qd1 Qb3 24. Qc1 Rc8 25. Qa1 Qa2 26. Nxe5 Qxa1 27. Rxa1
Nxe4 28. Bd4 b5 29. axb5 axb5 30. Re1 Nd6 31. Ng6 Kh7 32. Nf4 Bc4 33. Nh5 Re8
34. Rb1 Nf5 35. Bxg7 Nxg7 36. Nf6+ Kg6 37. Nxe8 Nxe8 38. h3 Nf6 39. Kg1 Ne4 40.
g4 h5 41. gxh5+ Kxh5 42. Kg2 Kh4 43. Re1 Ng5 44. Rb1 Nxh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Pasqualotto, Amos"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. c4 c6 5. Nc3 e6 6. Bd3 Nbd7 7. cxd5 ({RR} 7.
Bd2 Bd6 8. h3 Bh5 9. Qb3 dxc4 10. Bxc4 b5 11. Be2 O-O 12. Rc1 a6 13. Ng5 Bxe2
14. Nxe2 Qc7 15. e4 h6 16. e5 hxg5 17. exd6 Qxd6 18. Bb4 c5 19. dxc5 Qd5 20. c6
Ne5 21. Qxd5 Nxd5 {Adly,A (2586)-Smeets,J (2604) Hoogeveen 2008 1-0 (43)}) 7...
cxd5 $146 ({RR} 7... exd5 8. O-O Bd6 9. h3 Bh5 10. Rb1 a5 11. a3 O-O 12. b4
axb4 13. axb4 Re8 14. Be2 Ne4 15. Nxe4 dxe4 16. Nd2 Bxe2 17. Qxe2 b5 18. Nb3
Bxb4 19. d5 c5 20. Qxb5 Rb8 21. Qe2 Ne5 22. Rd1 {Ubaldo Suarez,M-Hernandez,P
Merida 1997 0-1 (38)}) ({RR} 7... exd5 8. O-O Bd6 9. h3 Bh5 10. Re1 O-O 11. a3
Re8 12. b4 Ne4 13. Bb2 Ndf6 14. Be2 Bc7 15. Nxe4 Nxe4 16. Ne5 Bxe2 17. Qxe2 f6
18. Nf3 Qd6 19. b5 Ng5 20. bxc6 bxc6 21. Qd1 Rab8 22. Bc3 {Doblado Turcios,
C-Aguas Cardenas,D (1737) Tornelo INT 2020 0-1 (33)}) 8. O-O Be7 9. Bd2 O-O 10.
Re1 a6 11. Rc1 Rc8 12. h3 Bh5 13. e4 dxe4 14. Nxe4 Rxc1 15. Bxc1 Qb6 16. Nxf6+
Nxf6 17. b3 Rd8 18. g4 Bg6 19. Bxg6 hxg6 20. Be3 Qc7 21. Qe2 Nd5 22. Rc1 Qb8
23. Ne5 Nxe3 24. Qxe3 Bf6 25. Rc4 Rd5 26. Qc3 Qa7 27. Rc8+ Kh7 28. Nxf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Cymbalista, Eduardo"]
[Black "Carvalho, Vitor Augusto"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8.
Qd2 b5 9. h3 $146 ({RR} 9. O-O Be7 10. Nxc6 dxc6 11. f4 O-O 12. Qe2 e5 13. Kh1
Ng4 14. Nd1 Nxe3 15. Qxe3 exf4 16. Qxf4 Bd6 17. Qh4 Be5 18. Rb1 Be6 19. b3 g6
20. Ne3 Rad8 21. Ng4 Bxg4 22. Qxg4 Bxh2 23. Rf3 Be5 {Cardenas,A-Mansilla,J
Lima 1999 1/2-1/2 (34)}) ({RR} 9. O-O-O Bb7 10. f3 Ne5 11. Bxb5 axb5 12. Ndxb5
Qc6 13. Qd4 Nc4 14. Bf4 Bb4 15. Nc7+ Ke7 16. e5 Bxc3 17. exf6+ gxf6 18. Qxc3
Rxa2 19. b3 Na3 20. Bd6+ {1-0 (20) Cao,S (2543)-Horvath,A (2532)
Szekesfehervar 2006}) ({RR} 9. a3 Bb7 10. Nxc6 Bxc6 11. f4 e5 12. O-O Bd6 13.
f5 Ng4 14. Kh1 Nxe3 15. Qxe3 f6 16. Rad1 Bb7 17. Be2 Bc5 18. Qd3 Bd4 19. Bh5+
g6 20. fxg6 hxg6 21. Bxg6+ Ke7 22. Qg3 Bxc3 23. bxc3 Raf8 {Herman,D (1927)
-Arat,U (2381) chess.com INT 2023 0-1 (53)}) 9... Bb7 10. Nb3 Ne5 11. f4 Nc4
12. Bxc4 bxc4 13. e5 Nd5 14. Nxd5 Bxd5 15. Nd4 Qb7 16. O-O Qxb2 17. Rab1 c3 18.
Rxb2 cxd2 19. Rfb1 Ba3 20. Rb6 Bc1 21. Bxd2 Bxd2 22. Rb8+ Ke7 23. Nc6+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Damasceno, Enzo"]
[Black "Pereira, Mateus Oliveira"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. d3 Re8 8. Rb1
e5 9. Nd2 Qe7 $146 ({RR} 9... Nf8 10. b4 Ne6 11. Nde4 Nh5 12. b5 f5 13. Nd2 Kh8
14. Nd5 Nf6 15. e3 Nxd5 16. cxd5 Ng5 17. Nc4 b6 18. a4 Nf7 19. e4 Qe7 20. f4
Bd7 21. Qc2 Rf8 22. exf5 Bxf5 23. Bb2 exf4 24. Rbe1 {Spiridonov,N (2420)
-Apicella,M (2370) Pau 1988 1/2-1/2 (31)}) ({RR} 9... a5 10. a3 c6 11. b4 axb4
12. axb4 Nf8 13. b5 Bd7 14. Qb3 Ne6 15. e3 Nc5 16. Qc2 h5 17. h3 Qc8 18. Kh2
Bf5 19. e4 Bd7 20. Nb3 Ne6 21. Be3 h4 22. Ra1 Rxa1 23. Rxa1 Nh5 24. Na4 {
Prohaszka,P (2592)-Demchenko,A (2632) chess.com INT 2020 1-0 (134)}) ({RR} 9...
c6 10. b4 Nf8 11. e4 Ne6 12. Nb3 Nd7 13. b5 Ndc5 14. Be3 Nxb3 15. axb3 Nd4 16.
bxc6 bxc6 17. b4 Bd7 18. b5 cxb5 19. Bxd4 exd4 20. Nxb5 Bxb5 21. Rxb5 Rb8 22.
Qa4 Rxb5 23. Qxb5 Re5 24. Qb2 {Kusiak,M (1967)-Myrmus,M (2071) Ustron POL 2023
1/2-1/2 (37)}) 10. b4 a6 11. a4 c6 12. b5 cxb5 13. axb5 axb5 14. Nxb5 Nc5 15.
Nb3 Nxb3 16. Qxb3 Qd7 17. Ba3 Bf8 18. e4 b6 19. Ra1 h5 20. h4 Bb7 21. Bb2 Rxa1
22. Rxa1 Ra8 23. Rxa8 Bxa8 24. Bc1 Kh7 25. Be3 Qc6 26. Na7 Qc7 27. Qxb6 Qxb6
28. Bxb6 Nd7 29. Bc7 Nc5 30. Bf1 Nb7 31. Nb5 f5 32. exf5 gxf5 33. Bg2 Kg6 34.
Bxb7 Bxb7 35. Bxd6 Bxd6 36. Nxd6 Bc6 37. f4 exf4 38. gxf4 Kf6 39. Kf2 Ke6 40.
Nb5 Kd7 41. Ke3 Kc8 42. Kd4 Kb7 43. Nd6+ Kc7 44. Ke5 Bf3 45. Nxf5 Be2 46. Ke4
Kc6 47. Nd4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Dobuchak, Thiago"]
[Black "Okamura, Milton"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8.
Be3 Be7 9. Kh1 O-O 10. f4 d6 11. a3 Bd7 12. Bd3 ({RR} 12. Bf3 Na5 13. Bf2 Rac8
14. Qd3 Nc4 15. Nd1 e5 16. b3 exd4 17. bxc4 Qxc4 18. e5 dxe5 19. fxe5 Ng4 20.
Bxd4 Qxc2 21. Qxc2 Rxc2 22. Bxb7 Bb5 23. Rf4 Nh6 24. a4 Be2 25. Ne3 Rd2 26. Nf1
Rc2 {Ivanov,O (2495)-Grachev,B (2628) Moscow 2016 1/2-1/2}) 12... b5 ({RR} 
12... Rad8 13. Qf3 Nxd4 14. Bxd4 Bc6 15. Qh3 g6 16. f5 gxf5 17. Qh6 e5 18. Rxf5
Ng4 19. Qh3 Kh8 20. Qxg4 exd4 21. Nd5 Qd7 22. Qf4 Qe6 23. Rf1 f6 24. Qf2 Rg8
25. Nxe7 Qxe7 26. Qxd4 Rdf8 27. Rxf6 {Smietanska,W (2017)-Jedraszek,P (2059)
Polanica Zdroj POL 2023 1-0 (47)}) 13. Qf3 Rfe8 $146 ({RR} 13... Rac8 14. h3 g6
15. Nce2 Na5 16. b3 e5 17. fxe5 dxe5 18. Bg5 Nxe4 19. Bxe7 Nd2 20. Qf6 Nxf1 21.
Rxf1 exd4 22. Nxd4 Nc6 23. Nf5 Bxf5 24. Bxf5 Qxe7 25. Bxc8 Qxf6 {0-1 (25)
Sant'Ana,R-Fernandes,J (2295) Brazil 1998}) 14. Rae1 Rac8 15. Qg3 g6 16. Nxc6
Bxc6 17. f5 Nd7 18. fxe6 fxe6 19. Qh3 Bf8 20. Rf7 Bg7 21. Ref1 Qd8 22. Bh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Farias, Sergio Luiz"]
[Black "Soares, Renan"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bd3 g6 7. O-O Bg7 8. Bd2
({RR} 8. Re1 O-O 9. Bf1 Nc6 10. Nb3 Bg4 11. Qd2 Rc8 12. Nd5 Nxd5 13. exd5 Ne5
14. a4 Re8 15. a5 Bf5 16. c3 e6 17. dxe6 Bxe6 18. Qf4 Nc4 19. Qg3 Be5 20. Bf4
Nxb2 21. Nd4 Bc4 22. Reb1 Bxf1 {Jansa,V (2470)-Andriasian,Z (2585) Benasque
2009 0-1 (35)}) 8... O-O 9. Qc1 Nxe4 $146 ({RR} 9... Nc6 10. Nf3 Ng4 11. h3
Nge5 12. Bh6 Nxf3+ 13. gxf3 Bxh3 14. Re1 e5 15. Bxg7 Kxg7 16. Nd5 Nd4 17. Be2
Qh4 18. c3 Rac8 19. Qd2 Ne6 20. Nb6 Nf4 21. Nxc8 Qg5+ {0-1 (21) noroit (1448)
-wagnerovsky (2087) lichess.org 2018}) 10. Nxe4 Bxd4 11. Bh6 Bg7 12. Bxg7 Kxg7
13. Qe3 Nc6 14. h4 Bf5 15. h5 Bxe4 16. Bxe4 Rc8 17. Rad1 e6 18. Qg3 d5 19. Rfe1
Qf6 20. Bf3 Nd4 21. c3 Nxf3+ 22. gxf3 Rc4 23. Qe5 Qxe5 24. Rxe5 Kf6 25. Rde1 g5
26. Kh2 Rh4+ 27. Kg3 h6 28. R5e3 Rxh5 29. f4 gxf4+ 30. Kxf4 Rf5+ 31. Kg4 Rg8+
32. Kh4 Rxf2 33. Kh3 Rxb2 34. Rf1+ Ke7 35. Ref3 Rg7 36. Rf6 Rxa2 37. Rxh6 Ra3
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Federzoni, Enzo"]
[Black "Barbosa Filho, Lucio"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Nc3 Qxf3
8. gxf3 Be6 9. Rg1 Ne7 10. Be3 Bxe3 11. fxe3 g6 12. O-O-O O-O $146 ({RR} 12...
Rd8 13. Bd3 O-O 14. b3 b5 15. Ne2 a5 16. h4 a4 17. b4 Bxa2 18. Nd4 Be6 19. Nxe6
fxe6 20. f4 Kh8 21. h5 Rg8 22. Rg5 gxh5 23. Rxh5 Rg7 24. Rdh1 Rdg8 25. Kb2 Ng6
26. Rc5 Ne7 27. Re5 {Przybylski,W (2321)-Gerbelli Neto,E (2114) chess.com INT
2022 1-0 (45)}) 13. Bd3 f5 14. f4 Kf7 15. h4 Rad8 16. h5 Rg8 17. Rg3 a6 18. Rh1
b5 19. Rg5 a5 20. b3 b4 21. Ne2 fxe4 22. Bxe4 Bd5 23. hxg6+ hxg6 24. Rh7+ Rg7
25. Rxg7+ Kxg7 26. Bxg6 Nxg6 27. f5 Kf6 28. Rxg6+ Kxf5 29. Rg7 Rc8 30. Kd2 Kf6
31. Rd7 Ke6 32. Rh7 Be4 33. Nd4+ Kd6 34. Rh6+ Kc5 35. Rh5+ Kb6 36. Re5 Bg2 37.
e4 Bh3 38. Rh5 Bd7 39. e5 c5 40. Rh6+ c6 41. Ne2 Re8 42. Rh5 Bg4 43. Rg5 Bxe2
44. Kxe2 c4 45. bxc4 Kc5 46. Kd3 Rd8+ 47. Ke4 Kxc4 48. e6 c5 49. Rg3 Re8 50.
Ke5 a4 51. Kd6 Kd4 52. Kd7 Ra8 53. e7 c4 54. e8=Q Rxe8 55. Kxe8 c3 56. Rg4+ Kc5
57. Ke7 b3 58. cxb3 axb3 59. axb3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Felicio, Leonardo"]
[Black "Souza, Eliel"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nf3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. Re1
({RR} 8. Ne5 Qc7 9. Nxc6 Qxc6 10. d5 exd5 11. Nxd5 b5 12. Nxf6+ Qxf6 13. Bd5
Rb8 14. e4 Be7 15. a4 O-O 16. axb5 Rxb5 17. Ra3 Rb6 18. Rf3 Qe5 19. Bd2 Rg6 20.
Bc3 Qc7 21. Rg3 Bb7 22. Rxg6 hxg6 {Aronian,L (2781)-Caruana,F (2820) Bucharest
ROU 2021 1/2-1/2 (34)}) 8... b5 9. Be2 $146 ({RR} 9. Bd3 Bb7 10. a4 bxa4 11.
Qxa4 Be7 12. dxc5 Bxc5 13. Rd1 Qc7 14. Ne4 Be7 15. b3 Nxe4 16. Bxe4 O-O 17. Bb2
Rac8 18. h4 Rfd8 19. h5 h6 20. Rxd8+ Qxd8 21. Rc1 Nd4 22. Rxc8 Nxf3+ 23. Bxf3
Bxc8 {Grandelius,N (2670)-Nguyen,T (2577) Prague CZE 2021 1/2-1/2 (41)}) ({RR} 
9. Bf1 Bb7 10. dxc5 Bxc5 11. a3 O-O 12. b4 Qxd1 13. Rxd1 Be7 14. Bb2 Rfd8 15.
Rac1 Rxd1 16. Rxd1 Kf8 17. Bd3 h6 18. Kf1 Ke8 19. Ne4 Nxe4 20. Bxe4 f5 21.
Bxc6+ Bxc6 22. Bxg7 a5 23. Bc3 Rc8 {Seemann,J (2441)-Paravyan,D (2612) chess.
com INT 2023 1/2-1/2 (39)}) 9... c4 10. Bd2 Be7 11. Rc1 O-O 12. Ng5 Nd7 13.
Nge4 Bb7 14. d5 Nce5 15. f4 exd5 16. Nf2 Ng6 17. Bf3 Nf6 18. Ne2 Qc7 19. Qc2
Nh4 20. Nd4 Nxf3+ 21. gxf3 Rae8 22. Nf5 Bc5 23. Bc3 d4 24. Bxd4 Bxd4 25. Nxd4
Nd5 26. Ne4 f5 27. Ng5 Bc8 28. Qd2 Rf6 29. Kf2 b4 30. e4 Rh6 31. h4 Rxh4 32.
Rh1 Rxh1 33. Rxh1 h6 34. exd5 hxg5 35. Qxb4 gxf4 36. d6 Qa7 37. Qxc4+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Fernandes, Pedro G"]
[Black "Almeida Jr, Alvaro"]
[Result "0-1"]
[ECO "E05"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. Nf3 {Ribli,Z} Nf6 2. g3 e6 3. Bg2 d5 4. c4 Be7 5. d4 O-O 6. O-O dxc4 7. Qc2
a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nbd7 12. Ba5 Rc8 13. Nbd2 Ba8 14.
Qc2 Qe8 ({RR} 14... Nb8 15. a3 ({RR} 15. Nb3 Be4 ({RR} 15... Nc6) 16. Qd2 ({RR
} 16. Qc1 Nc6 17. Bd2 ({RR} 17. Rd1 Nxa5 18. Nxa5 c5) 17... Bxf3 18. Bxf3 Nxd4
19. Nxd4 Qxd4 20. Bb7 Rcd8 21. Be3 Qd6) 16... Nc6 17. Rfc1 b4 18. Rxc6 Bxc6 19.
Bxb4 Bxb4 20. Qxb4 Qd6 21. Qa5 Bd5 22. Rc1 Qb6 23. Nfd2 Rb8 24. Qc5 a5) 15...
Nc6 16. Bc3 b4 17. axb4 Nxb4 18. Qa4 ({RR} 18. Qb1)) 15. b4 Bd6 ({RR} 15... Nd5
16. a3 f5 17. Rae1 ({RR} 17. e3 Qh5 18. Rac1 Bd6 19. Qd1 Qh6 20. Qe2 N7f6 21.
Rfd1 ({RR} 21. Rfe1 Ne4 ({RR} 21... Ne7) 22. Nxe4 fxe4 23. Ne5 Ne7 24. a4 bxa4
25. Nc4) 21... Ne7 22. Ne1 Bd5 23. Nd3 Ne4 24. Nxe4 fxe4 25. Nc5 Bxc5 26. Rxc5
c6) ({RR} 17. Rac1 Qh5 18. Rfe1 N5f6 19. Ne5 Nxe5 20. dxe5 Ng4 21. h3 Bxg2 22.
Kxg2 Nxe5 23. Qa2 Qf7 24. Bxc7 Ng6 ({RR} 24... Bf6)) 17... Qg6 ({RR} 17... Qh5
18. e4 fxe4 19. Rxe4 ({RR} 19. Nxe4 Rxf3 20. Qe2 Rf5 ({RR} 20... Rcf8 21. Nd2
R3f5 22. Qxe6+ R5f7 23. Qxd7 Bxb4) 21. g4 Qh4 22. gxf5 Nf4 23. Qe3 Nxg2 24.
Kxg2 exf5) ({RR} 19. Qxe4 Nf4) 19... Qf5 20. Qb3 Rce8 21. Rfe1 Bd6 22. R4e2)
18. e4 fxe4 19. Qxe4 ({RR} 19. Rxe4 N5b6) ({RR} 19. Nxe4) 19... Rf6 ({RR} 19...
Qxe4 20. Rxe4 Rf6 21. Rfe1 Nf8 22. Ne5) 20. Qxg6 Rxg6 21. Ne4 Rf8 22. h4 ({RR} 
22. Nc5 Bxc5 ({RR} 22... Nxc5 23. dxc5 Nf4 24. Ne5 Nxg2 25. Nxg6 hxg6 26. Rxe6)
23. dxc5 Nf4 24. Nh4 Nxg2 25. Nxg2 ({RR} 25. Nxg6 Nxe1 26. Nxf8 ({RR} 26. Rxe1
hxg6 27. Rxe6 Bd5) 26... Nf3+)) 22... Bd6 23. h5 ({RR} 23. Nfg5 Re8 24. Nc5 ({
RR} 24. f4)) 23... Rh6 24. Nc5 N5b6 ({RR} 24... N7b6 25. Nxe6 Rff6 26. Nfg5
Rxh5 27. f4) 25. Ng5 Bxg2 ({RR} 25... e5 26. Bxb6 Nxb6 27. dxe5) 26. Kxg2 Rxh5
({RR} 26... e5 27. Bxb6 Nxb6 28. dxe5) 27. Ngxe6 Rc8 28. Nxd7 ({RR} 28. Bxb6
Nxb6 29. Nxa6) 28... Nxd7 29. Rc1 c6 30. Rfe1 {Gelfand,B (2710)-Lutz,C (2650)
Dortmund 2002 CBM 090 [Ribli,Z] 1-0 (37)} ({RR} 30. Nd8 Nb8 31. Rfe1 h6) {RR}
30... h6) ({RR} 15... Nb8 16. a3 Nc6 17. Nb3 Bd6 18. Rac1 e5 19. e3 Nxa5 20.
Nxa5 e4 21. Nd2 Bd5 22. Nb1 c6 23. Bh3 Rc7 24. Nc3 Qe7) ({RR} 15... Nd5 16. a3
f5 17. Rac1 Qh5 18. Qd3 Bd6 19. e4 fxe4 20. Nxe4 e5 21. Nxd6 cxd6 22. Rxc8 Rxc8
23. dxe5 Nxe5 24. Nxe5 Qxe5 25. Qd2 Qh5 26. Re1 h6 27. h3 Kh8 28. Re6 Nf6 29.
Rxd6 Bxg2 30. Kxg2 {Karthikeyan,P (2397)-Kumar,G (2025) Guwahati IND 2022 1-0 
(39)}) 16. Rfc1 $146 ({RR} 16. Rfd1 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Bxa8
Rxa8 20. Nf3 Qe7 21. Nd4 g6 22. Rac1 Rfc8 23. Nc6 Qe6 24. Kg2 h5 25. e4 Qxe4+
26. Qxe4 Nxe4 27. f3 Re8 28. fxe4 Rxe4 29. Re1 Rae8 30. Rxe4 Rxe4 {Harikrishna,
P (2570)-Hariharan,V (2245) Calicut 2003 1-0 (49)}) ({RR} 16. a4 e5 17. e3 h6
18. axb5 axb5 19. dxe5 Nxe5 20. Nd4 Bxg2 21. Kxg2 c5 22. bxc5 Bxc5 23. Qf5 Bxd4
24. exd4 Nc4 25. Rfb1) 16... Qe7 17. a3 e5 18. dxe5 Nxe5 19. Nd4 Bxg2 20. Nf5
Qe6 21. Kxg2 g6 22. Nxd6 cxd6 23. Qb3 d5 24. Qe3 Rfe8 25. f4 Nfg4 26. Qb6 Nc6
27. e4 dxe4 28. Re1 e3 29. h3 Qd5+ 30. Nf3 Nd4 31. Qxd4 Rc2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Ferreira, Fernando G"]
[Black "Jenidarchiche, Douglas"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Nc3 Nf6 5. Bf4 Nc6 6. Nf3 Qb6 7. a3 Qxb2 ({RR
} 7... a6 8. e3 Bf5 9. Na4 Qa7 10. Rc1 Nd7 11. Be2 e6 12. O-O Be7 13. b4 O-O
14. Qb3 Rfc8 15. Nc5 Ncb8 16. a4 a5 17. b5 Qb6 18. Nd3 Na6 19. Rxc8+ Rxc8 20.
Rc1 Rxc1+ 21. Nxc1 Nb4 22. Qc3 {Salov,V (2655)-Granda Zuniga,J (2615) Madrid
1992 1/2-1/2 (78)}) 8. Na4 Qb5 9. e3 $146 ({RR} 9. Bd2 Nb8 10. e4 Qd7 11. Ne5
Qd8 12. Bb5+ Nbd7 13. Nc5 e6 14. Ncxd7 Bxd7 15. Nxd7 Nxd7 16. exd5 exd5 17. O-O
Be7 18. Qg4 g6 19. Rfe1 f5 20. Qe2 Rf8 21. Bg5 Rf7 22. Qe5 a6 23. Qh8+ Rf8 {
Rasmussen,R (2142)-Esposito,L (2232) Budapest 2004 1-0}) ({RR} 9. Bd2 Qa6 10.
e3 b5 11. Nc3 Bd7 12. Bxb5 Qc8 13. O-O e6 14. Qe2 Be7 15. Rfc1 O-O 16. Na4 Qe8
17. Nc5 Bxc5 18. Rxc5 Ne4 19. Rcc1 Nxd2 20. Qxd2 Nxd4 21. exd4 Bxb5 22. Rc7 Qb8
23. Qf4 Be2 {Medeiros,T (1979)-Mayeregger,G (1740) Buenos Aires ARG 2022 0-1 
(60)}) 9... Qa5+ 10. Nd2 Ne4 11. Ra2 Bd7 12. Bd3 Nxd4 13. exd4 Bxa4 14. Qc1
Nxd2 15. Bxd2 Qb6 16. Be3 e6 17. O-O Bd6 18. Qd2 O-O 19. Rb1 Qc7 20. Rc1 Bc6
21. Qc2 g6 22. Bb5 Bxh2+ 23. Kh1 Bf4 24. Qd2 Bxe3 25. Qxe3 Rfc8 26. Qh6 Qe7 27.
Rac2 Qxa3 28. Rc3 Qf8 29. Qxf8+ Kxf8 30. Kh2 Ke7 31. Kg3 Bd7 32. Rc7 Rxc7 33.
Rxc7 Rd8 34. Rxb7 Kd6 35. Be2 a5 36. Ra7 a4 37. Ra6+ Kc7 38. Bd1 Bb5 39. Ra7+
Kb6 40. Rxf7 a3 41. Rf3 Ra8 42. Rf6 a2 43. Rxe6+ Bc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Ferreira, Thales"]
[Black "Silva, Lucas Henrique"]
[Result "1/2-1/2"]
[ECO "D85"]
[PlyCount "291"]
[EventDate "2021.??.??"]

1. d4 {Krasenkow,M} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7
7. Be3 O-O 8. Qd2 c5 9. Nf3 Qa5 10. Rc1 Rd8 11. d5 e6 12. Bg5 f6 13. Be3 exd5
14. exd5 Nc6 ({RR} 14... Na6) 15. Bd3 Ne7 ({RR} 15... c4 16. Bxc4 Be6 17. Rd1
Ne7 18. dxe6 Rxd2 19. Rxd2 Qxc3 20. Bb3 Qc1+ ({RR} 20... Qa1+ 21. Bd1 Nf5 22.
O-O Qc3 ({RR} 22... Nxe3 23. e7) 23. Bb3 Kh8 24. Rd7 Re8 ({RR} 24... Nxe3 25.
e7 Qa5 26. fxe3) 25. Bd2 Qb2 26. g4 Ne7 27. Rc1 Nc6 28. Kg2) 21. Rd1 Qc3+ 22.
Rd2 Qc1+ 23. Rd1 Qc3+ 24. Ke2 a5 ({RR} 24... Qb4 25. Rd3 ({RR} 25. Rd7 Qb5+)
25... a5 26. Rc1 a4 27. Rc4 Qb5 28. Rc5 Qb4) 25. Rd7 a4 26. Rc1 Qb2+ ({RR} 
26... Qb4 27. Bc4) 27. Rc2 Qb1 28. Nd2 ({RR} 28. Rd1 axb3 29. Rxb1 bxc2 30.
Rxb7 Nd5 31. Kd2 Nxe3 32. fxe3 Rc8 33. Kc1 Bh6 34. Rb3) 28... axb3 ({RR} 28...
Qg1 29. Bc4 Re8 30. Rb2 Qxh2 31. Rbxb7 Bf8 32. Ne4 Qh4 33. Kd3) 29. Nxb1 bxc2
30. Nc3 {Leko,P (2720)-Topalov,V (2768) Porto Carras 2011 CBM 146 [Krasenkow,M]
1-0 (41)}) 16. c4 Qxd2+ 17. Nxd2 b6 18. Nf3 $146 ({RR} 18. O-O Nf5 19. Bf4 Bd7
20. Rfe1 Bf8 21. Ne4 Kf7 22. f3 Re8 23. Kf2 g5 24. Bg3 h5 25. h3 Nxg3 26. Nxg3
h4 27. Nf5 a6 28. Rxe8 Rxe8 29. Re1 Rb8 30. Rb1 b5 31. Ne3 b4 32. Bf5 Bxf5 {
Taborsky,R (2216)-Zhou,J (2597) Arlington 2015 0-1 (40)}) 18... Nf5 19. Bd2
Re8+ 20. Kd1 Bd7 21. Kc2 g5 22. Bc3 Nd6 23. Nd2 Rab8 24. Rhe1 b5 25. cxb5 Nxb5
26. Bxb5 Bxb5 27. Ne4 Ba4+ 28. Kd2 Red8 29. Nxf6+ Bxf6 30. Bxf6 Rxd5+ 31. Kc3
Kf7 32. Be5 Rbd8 33. Bg3 Bb5 34. Kb2 Bd3 35. Re5 c4 36. Rxd5 Rxd5 37. Re1 Rb5+
38. Kc3 Ra5 39. Kb2 h6 40. Re5 Ra6 41. Re1 Kf6 42. h4 Rc6 43. hxg5+ hxg5 44.
Kc3 Ra6 45. Kb2 Ra5 46. Rh1 Kf5 47. Re1 Rb5+ 48. Kc3 Ra5 49. Kb2 Rb5+ 50. Kc3
Rd5 51. Re7 Ra5 52. Kb2 Rb5+ 53. Kc3 Ra5 54. Kb2 Bf1 55. Re8 Bxg2 56. Re7 Bf1
57. Re1 Bd3 58. Re7 Kg4 59. Re5 Ra6 60. Re7 Rc6 61. Kc3 Ra6 62. Kb2 Ra5 63. Re5
Ra4 64. Re7 a6 65. Re5 Rb4+ 66. Kc3 Ra4 67. Kb2 Rb4+ 68. Kc3 Rb1 69. Ra5 Rc1+
70. Kd4 Bb1 71. Ra3 a5 72. Bc7 Rc2 73. Bg3 Bxa2 74. Rxa5 Rd2+ 75. Kc3 Rd3+ 76.
Kb2 Bb3 77. Rc5 Rd2+ 78. Kc3 Rc2+ 79. Kd4 Rc1 80. Bc7 Rg1 81. Bg3 Rd1+ 82. Kc3
Rd3+ 83. Kb2 Rd8 84. Kc3 Rg8 85. Re5 Kf3 86. Rf5+ Kg2 87. Re5 g4 88. Re4 Kh3
89. Re3 Rg6 90. Bf4+ Kg2 91. Bg3 Rf6 92. Bh4 Rxf2 93. Rg3+ Kh2 94. Rxg4 Rf3+
95. Kb2 Rd3 96. Bf6 Kh3 97. Rd4 Rf3 98. Rd6 Kg2 99. Rd2+ Kf1 100. Bc3 Rf7 101.
Rh2 Ra7 102. Rh1+ Kg2 103. Rg1+ Kh2 104. Ra1 Rb7 105. Be5+ Kg2 106. Kc3 Rh7
107. Bd4 Kf3 108. Rf1+ Ke2 109. Rf2+ Ke1 110. Rg2 Rh3+ 111. Kb2 Rd3 112. Bc3+
Kf1 113. Rh2 Rd7 114. Rh1+ Kg2 115. Re1 Bd1 116. Kc1 Bf3 117. Kc2 Kf2 118. Re5
Bd1+ 119. Kc1 Be2 120. Kb2 Rb7+ 121. Kc1 Bd3 122. Kd2 Kf3 123. Ra5 Be4 124. Bd4
Rh7 125. Kc3 Bd3 126. Re5 Rh1 127. Re3+ Kf4 128. Re7 Rc1+ 129. Kb4 Rb1+ 130.
Kc3 Rb3+ 131. Kd2 Be4 132. Rf7+ Bf5 133. Bc3 Ra3 134. Bb4 Rd3+ 135. Ke2 Ke4
136. Re7+ Kd5 137. Rc7 Bg4+ 138. Kf2 Rb3 139. Bd2 Kd4 140. Rg7 Kd3 141. Rxg4
Rb2 142. Ke1 Rb1+ 143. Kf2 Rb2 144. Ke1 Rxd2 145. Rd4+ Kxd4 146. Kxd2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Fier, Alexandr"]
[Black "Neves, Andrey de Souza"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4
c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Bg5 Qc7 ({RR} 12... Qa5 13. Nh4
Be6 14. Bxe6 Qxg5 15. Nf3 Qd8 16. Bb3 Nd7 17. Re1 g6 18. g3 Kg7 19. Qd3 Nf6 20.
Rad1 Rc8 21. h4 Rc7 22. Kg2 Re7 23. Rxe7 Qxe7 24. Re1 Qd7 25. Ne5 Bxe5 26. Rxe5
Re8 27. Qe2 {Giri,A (2776)-Caruana,F (2822) Baden-Baden GER 2018 1-0 (51)}) 13.
Nh4 ({RR} 13. Re1 h6 14. Bh4 Nd7 15. Bg3 Bxg3 16. hxg3 Rae8 17. Qb3 Nb6 18. Ne5
Nxc4 19. Qxc4 Be6 20. Qd3 Rd8 21. c4 Rfe8 22. Qc3 Qb6 23. c5 Qa6 24. Qb4 Bd5
25. Re3 f6 26. Ng4 h5 27. Rxe8+ Rxe8 {Kovanova,B (2304)-Smirnova,E (2204)
Sochi RUS 2023 0-1 (37)}) 13... Be6 14. Bxe6 fxe6 $146 ({RR} 14... Bxh2+ 15.
Kh1 fxe6 16. g3 h6 17. Kxh2 hxg5 18. Ng6 Rf6 19. Qh5 Kf7 20. Ne5+ Kg8 21. Qe8+
Kh7 22. Kg1 Qd8 {1-0 (22) Ognean,M (2257)-Dinca,O (1800) Arad ROU 2021}) 15.
Nf3 Nd7 16. Qb3 Rae8 17. Rfe1 Qb6 18. Re2 h6 19. Bh4 g5 20. Bg3 Bxg3 21. hxg3
Rf6 22. Qa3 Rf5 23. Rae1 g4 24. Nd2 c5 25. Nc4 Qc6 26. Qxa7 b6 27. Qa3 cxd4 28.
Nd6 Ra5 29. Qb4 Ra4 30. Qb1 Qxd6 31. Qg6+ Kf8 32. Rxe6 Rxe6 33. Rxe6 Qb8 34.
Qf5+ Kg8 35. Rg6+ Kh8 36. Rxh6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Fonseca, Rogerio"]
[Black "Panazzolo, Paulo"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. e4 dxe4 3. Ng5 e5 4. Nxf7 Kxf7 5. Qh5+ g6 6. Bc4+ Kg7 7. Qxe5+ Nf6
8. O-O $146 ({RR} 8. d4 Nc6 9. Qg5 h6 10. Qg3 Nxd4 11. O-O b5 12. Rd1 bxc4 13.
Rxd4 Qxd4 14. Qxc7+ {0-1 (14) Watts,J (1835)-Zeidler,S (2235) Swansea 1999})
8... Bd6 9. Qc3 Nc6 10. a3 Bf5 11. d3 Ne5 12. Nd2 exd3 13. cxd3 Nxd3 14. Bxd3
Bxd3 15. Qxd3 Bxh2+ 16. Kxh2 Qxd3 17. b4 Rhe8 18. Nf3 Qxf1 19. Bh6+ Kxh6 20.
Rxf1 Re2 21. Nd4 Ra2 22. Ne6 Rxa3 23. f3 Rb3 24. Kg3 g5 25. Nd4 Rxb4 26. Nf5+
Kg6 27. Ne7+ Kf7 28. Nf5 a5 29. Rc1 c6 30. Nd6+ Ke6 31. Nc4 Rxc4 32. Rxc4 a4
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Franca Jr, Jairo"]
[Black "Silva, Joelton Cooper"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc3 Nf6 7. Be2 O-O 8. O-O
Nc6 9. Be3 Qc7 10. Rc1 ({RR} 10. h3 e6 11. Ndb5 Qe7 12. Qxd6 Qxd6 13. Nxd6 Rd8
14. Ndb5 a6 15. Na3 Ne5 16. Rad1 Bd7 17. f4 Nc6 18. e5 Ne8 19. Bb6 Nb4 20. Bxd8
Rxd8 21. Ne4 Nxa2 22. Nc5 Rc8 23. Nxd7 Nc7 24. Nb6 Nb4 {Palao,A (1915)-Vega
Garcia,J (1590) lichess.org INT 2022 1-0 (31)}) 10... a6 11. h3 $146 ({RR} 11.
a3 b6 12. Nd5 Qb7 13. Nxc6 Re8 14. Ncb4 Nd7 15. Bd4 e5 16. Be3 Nc5 17. f3 f5
18. Nxb6 Qxb6 19. Qd5+ Be6 20. Bxc5 dxc5 21. Qc6 Rab8 22. Qxb6 Rxb6 23. Nd3 Bh6
24. Rc2 Be3+ 25. Kh1 Bd7 {Bakalinsky,B-Myrza,S Kiev 2002 1-0 (79)}) 11... e5
12. Nc2 Be6 13. Qd2 Ne7 14. b3 Rac8 15. Bg5 Rfd8 16. Ne3 Qa5 17. Rfd1 Kf8 18.
Ng4 Bxg4 19. Bxg4 Rc7 20. Qe3 Nxg4 21. hxg4 f6 22. Qf3 Ng8 23. Bxf6 Rf7 24.
Bxd8 Qxd8 25. Qe2 Bh6 26. Rc2 Nf6 27. c5 Rd7 28. cxd6 Rxd6 29. Rxd6 Qxd6 30.
Qf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Freitas, Filipe"]
[Black "Melo, Igor"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bb5 Qa5 ({RR
} 7... O-O 8. O-O a6 9. Nxc6 bxc6 10. Ba4 Qa5 11. Qd3 Ng4 12. Bd4 Ne5 13. Bxe5
Qxe5 14. Rad1 Qc5 15. Rfe1 e6 16. Qg3 Be5 17. Qh4 Rb8 18. Bb3 d5 19. Na4 Qd6
20. c4 Rb4 21. Rd3 Qb8 22. Rh3 {Laverdet,T (1995)-Genzling,A (2396) Wasselonne
2013 0-1 (34)}) ({RR} 7... O-O 8. f3 a6 9. Be2 d5 10. Nxc6 bxc6 11. O-O e5 12.
exd5 cxd5 13. Bg5 Bb7 14. Qc1 Re8 15. Bd3 Qd6 16. Re1 Rac8 17. Kh1 Nd7 18. Qd2
Nc5 19. Bc4 Ne6 20. Ne4 Qc6 21. Nf6+ Bxf6 22. Bxf6 {Togobitsky,A (1344)
-Yuschenko,S Sevastopol UKR 2023 0-1 (65)}) 8. O-O O-O 9. a3 $146 ({RR} 9. Bxc6
bxc6 10. f4 d6 11. Nxc6 Qc7 12. Nd4 Bg4 13. Qd2 e5 14. fxe5 dxe5 15. Ndb5 Qb7
16. h3 Bd7 17. a4 Rad8 18. Qf2 a6 19. Bc5 Rfe8 20. Nd6 Qc7 21. Nxe8 Rxe8 22. b4
Nh5 23. Qxf7+ Kh8 {Do Hoang Minh,T-Nguyen,M Vietnam 2002 1-0 (35)}) 9... d6 10.
Nxc6 bxc6 11. Bxc6 Rb8 12. b4 Qc7 13. b5 Bd7 14. Rb1 Bxc6 15. bxc6 Rxb1 16.
Qxb1 Qxc6 17. Nd5 Nxd5 18. exd5 Qxd5 19. Bxa7 Qa5 20. Qb7 Bf6 21. Be3 Qxa3 22.
Bh6 Re8 23. g3 Qa8 24. Qb5 Rc8 25. Rc1 Qc6 26. Qe2 Qc4 27. Qe3 Qc5 28. Qe2 e6
29. c4 Bg5 30. Bxg5 Qxg5 31. Rd1 Qc5 32. Rc1 d5 33. Qe5 dxc4 34. Qxc5 Rxc5 35.
Kf1 Kg7 36. Ke2 Kf6 37. f4 e5 38. Ke3 exf4+ 39. Kxf4 c3 40. Rc2 h5 41. h4 Rc4+
42. Ke3 Kf5 43. Kd3 Rc7 44. Rf2+ Kg4 45. Rc2 Kxg3 46. Ke4 Kxh4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Freitas, Mauricio"]
[Black "Duailibi, Ricardo"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "122"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nc6 4. c4 d4 5. O-O e5 6. d3 Bd6 7. e3 Bg4 ({RR} 7...
Nf6 8. exd4 exd4 9. Re1+ Kf8 10. Na3 h6 11. Nc2 a5 12. Na3 Bf5 13. Nb5 Bb8 14.
a3 g5 15. b3 Kg7 16. Ra2 Re8 17. Rae2 Rxe2 18. Rxe2 Qd7 19. a4 Bg4 20. Ba3 Qf5
21. Re1 Nb4 22. Bxb4 {Sonis,F (2564)-Sarana,A (2693) chess.com INT 2023 0-1 
(38)}) ({RR} 7... Nf6 8. exd4 cxd4 9. Bg5 O-O 10. Nbd2 h6 11. Bxf6 Qxf6 12. Ne4
Qd8 13. Nxd6 Qxd6 14. Re1 Re8 15. a3 a5 16. Nd2 Bf5 17. Ne4 Bxe4 18. Bxe4 b6
19. Qf3 Rac8 20. Bd5 Nd8 21. Re2 Ne6 22. h4 {Joel Paul Ganta (1974)-Melikhov,E
(2271) chess.com INT 2023 0-1 (56)}) 8. Re1 $146 ({RR} 8. h3 Bh5 9. exd4 exd4
10. Nbd2 f5 11. Re1+ Nge7 12. g4 fxg4 13. Ng5 O-O 14. hxg4 Bf7 15. Nde4 Bc7 16.
f4 Ng6 17. Nxf7 Rxf7 18. Ng5 h6 19. Nxf7 Kxf7 20. Bd5+ Kf8 21. Qf3 Qh4 22. Bd2
Nb4 {Garcia,R-Olivera,A Buenos Aires 1964 1-0}) 8... Qd7 9. exd4 Nxd4 10. Nxe5
Bxd1 11. Nxd7+ Kxd7 12. Rxd1 Nc2 13. d4 cxd4 14. Na3 Bxa3 15. Rb1 Bc5 16. Be4
Nf6 17. Bxc2 a5 18. Be3 Kd6 19. Bxd4 Bxd4 20. Rxd4+ Kc5 21. Rbd1 Rhe8 22. Kf1
Re7 23. Ba4 Ra6 24. a3 Rae6 25. b3 Re1+ 26. Kg2 Rxd1 27. Rxd1 Re2 28. Bb5 Ra2
29. a4 Ng4 30. Rd7 Rxf2+ 31. Kh3 f5 32. Kh4 h6 33. h3 g5+ 34. Kh5 Nf6+ 35. Kxh6
Nxd7 36. Bxd7 f4 37. gxf4 gxf4 38. Kg5 Kd6 39. Bc8 b6 40. h4 Ke5 41. Bb7 Rf1
42. h5 Rg1+ 43. Kh4 Rg7 44. Bd5 Kf6 45. h6 Rg6 46. h7 Rh6+ 47. Kg4 Rxh7 48.
Kxf4 Rh3 49. Bf3 Ke7 50. Ke4 Kd6 51. Bd1 Kc5 52. Bc2 Rc3 53. Bd1 Rc1 54. Bg4
Re1+ 55. Kd3 Kb4 56. Kd2 Rg1 57. Bd7 Rg3 58. Bb5 Kxb3 59. Ke2 Kc3 60. Kf2 Rg5
61. Ba6 Kb4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Kruger, Israel"]
[Black "Lage, Pedro"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Bd3 Ne7 6. O-O Bg4 7. Re1 Nbc6 8.
c3 Qd7 9. b4 O-O 10. Bg5 Ng6 11. Nbd2 f6 12. Bxg6 hxg6 13. Bh4 Ne7 $146 ({RR} 
13... g5 14. Bg3 Bxg3 15. hxg3 Rae8 16. Qb3 Kh8 17. Nf1 Ne7 18. Re2 Nf5 19.
Rae1 Rxe2 20. Rxe2 c6 21. N1h2 Bxf3 22. gxf3 {1/2-1/2 (22) Virnik,E (2175)
-Welz,P (2205) Berlin 1997}) 14. Bg3 Nf5 15. Bxd6 Nxd6 16. Qc2 Bf5 17. Qb3 c6
18. Re3 Rfe8 19. Rae1 Rxe3 20. Rxe3 Re8 21. c4 Rxe3 22. fxe3 dxc4 23. Qc3 b5
24. h3 Qe6 25. Kf2 Bd3 26. Ne1 Nf5 27. e4 Bxe4 28. Nxe4 Qxe4 29. Nf3 g5 30. a4
a6 31. axb5 axb5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Labussiere, Victor"]
[Black "Fedrizzi, Roberto"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 c6 5. Nbd2 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Qc2
h6 9. e4 b6 ({RR} 9... dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qe2 c5 13. Rd1 Qb6
14. Be3 Bd7 15. Ne5 cxd4 16. Bxd4 Qc7 17. Rac1 Bc6 18. Nxc6 bxc6 19. Be5 Qb7
20. Qf3 Rac8 21. h4 Qa6 22. a3 Rfd8 23. Rxd8+ Bxd8 24. b4 {Yuffa,D (2566)
-Yanchenko,R (2463) Moscow RUS 2019 1-0 (35)}) ({RR} 9... dxe4 10. Nxe4 Nxe4
11. Qxe4 Nf6 12. Qe2 Bd6 13. Rd1 Re8 14. a3 a5 15. b3 Nd7 16. Bb2 Qe7 17. c5
Bc7 18. b4 Nf8 19. Ne5 Bd7 20. f4 f6 21. Nc4 Qf7 22. bxa5 g5 23. fxg5 hxg5 24.
Rf1 {Kukhmazov,A (2495)-Sanchez,R (1971) chess.com INT 2023 1-0}) 10. Re1 $146
({RR} 10. e5 Ne8 11. b3 Bb7 12. Bb2 Rc8 13. Rac1 Nc7 14. Rfd1 a5 15. Qb1 Qe8
16. Nf1 c5 17. Ne3 dxc4 18. Nxc4 Bd5 19. dxc5 Bxc4 20. Rxc4 Nxc5 21. Nd2 Nd5
22. Ne4 Nxe4 23. Qxe4 Bc5 24. Bd4 Qe7 {Isasa Moreira,C (1792)-Sotoca Aguado,J 
(2023) Galapagar 2009 0-1 (46)}) 10... Bb7 11. e5 Ne8 12. cxd5 cxd5 13. Bf1 Nc7
14. Qa4 a6 15. Bd3 Rc8 16. Qd1 Re8 17. Nf1 Nf8 18. Ne3 h5 19. Ng2 g6 20. h4 Qd7
21. Bh6 Red8 22. Qe2 Qe8 23. Nf4 Rd7 24. Ng5 Bxg5 25. Bxg5 Nh7 26. Nxh5 Qf8 27.
Nf6+ Nxf6 28. exf6 e5 29. Qxe5 Re8 30. Qf4 Ne6 31. Qg4 Bc8 32. h5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Leite, Coraci"]
[Black "Marquezini, Paulo E"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Qe2 O-O ({RR} 5... d6 6. d3 Na5 7.
Bb3 Nxb3 8. axb3 Bg4 9. Be3 Nd7 10. Nbd2 O-O 11. h3 Bh5 12. c3 c6 13. Rfe1 Re8
14. Nf1 Bb6 15. g4 Bg6 16. Ng3 Bxe3 17. Qxe3 a6 18. h4 h6 19. h5 Bh7 20. g5 {
Skuhala,J (2261)-Pavasovic,D (2546) Slovenia SLO 2019 1-0 (49)}) ({RR} 5... d6
6. h3 Be6 7. Bxe6 fxe6 8. c3 O-O 9. Qc4 Qe7 10. d4 exd4 11. cxd4 Bb6 12. Nc3
Kh8 13. Bg5 Qf7 14. d5 exd5 15. exd5 Nd7 16. Be3 Nce5 17. Nxe5 Nxe5 18. Qb3 Qg6
19. Bxb6 axb6 20. f4 {Mrazek,L (2311)-Sosna,J (2319) Czech Republic CZE 2023 1/
2-1/2 (42)}) 6. c3 a6 7. b4 Ba7 8. Bb3 $146 ({RR} 8. Bb2 b5 9. Bb3 d6 10. h3
Bb7 11. a3 Re8 12. d3 h6 13. Nbd2 Qe7 14. Nh4 Kf8 15. Nf5 Qd7 16. Rad1 Ne7 17.
Ng3 Ng6 18. Kh2 Bc8 19. Nf5 Ne7 20. Nxe7 Rxe7 21. f4 Bb7 22. fxe5 dxe5 {
Hartmann,S (1737)-Namokel,S (1389) Germany 2008 0-1 (59)}) 8... d6 9. h3 Be6
10. Bc2 Nh5 11. d3 f5 12. Ng5 Bf7 13. Nxf7 Rxf7 14. Qxh5 f4 15. Bb3 g6 16.
Bxf7+ Kxf7 17. Qxh7+ Kf6 18. Qh4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Lima, Carlos Eduardo A"]
[Black "Mazetto, Sergio Luiz"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 d5 3. c3 Bf5 4. Bf4 e6 5. e3 c6 6. Bd3 Bxd3 7. Qxd3 Bd6 8. Bg3
Qe7 9. Nbd2 O-O 10. O-O Bxg3 11. hxg3 Nbd7 12. e4 dxe4 13. Nxe4 Rfd8 $146 ({RR
} 13... Nxe4 14. Qxe4 Nf6 15. Qh4 Rfe8 16. Rfe1 Nd7 17. Qh5 Nf6 18. Qh3 Rad8
19. Re5 Rd5 20. Rae1 Rxe5 21. Rxe5 Rd8 22. g4 h6 23. g5 hxg5 24. Rxg5 Rd5 25.
Ne5 c5 26. Qg3 g6 27. Nxg6 fxg6 28. Rxg6+ {Linn,M-Krueckeberg,B (1966) Yangon
2014 1-0 (33)}) 14. Rae1 Nxe4 15. Qxe4 h6 16. g4 Nf6 17. Qf4 Nd5 18. Qe5 Qf6
19. Qh5 Nf4 20. Qh2 g5 21. Ne5 Kg7 22. g3 Ng6 23. f4 gxf4 24. gxf4 Nxe5 25.
Rxe5 Rd5 26. g5 Qg6 27. Qxh6+ Qxh6 28. gxh6+ Kxh6 29. Kf2 Kg7 30. Rg1+ Kf6 31.
Rh1 Rg8 32. Rh2 Rg4 33. Ke3 b5 34. Ke4 a5 35. c4 bxc4 36. Rc2 Ke7 37. Kf3 Rg8
38. Rxc4 Kd6 39. Ra4 Rb8 40. Rxd5+ Kxd5 41. Rxa5+ Kxd4 42. b3 c5 43. Kg4 f6 44.
Ra6 Kd5 45. f5 Rb4+ 46. Kf3 exf5 47. Rxf6 Ke5 48. Rc6 Kd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Lima, Lucas Taveira"]
[Black "Ribeiro, Fabiano Pinto"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
b5 9. Qd2 Nbd7 10. O-O-O Be7 11. g4 Nb6 12. Bxb6 ({RR} 12. Kb1 Nfd7 13. Qf2 Nc4
14. Bc1 Qc7 15. Nd5 Bxd5 16. exd5 a5 17. Nd2 a4 18. f4 O-O 19. h4 Rfb8 20. Rh3
exf4 21. Qxf4 Nde5 22. g5 a3 23. b3 Nb2 24. Re1 Na4 25. Ne4 Rc8 26. c3 Nc5 {
Schmaltz,R (2527)-Naiditsch,A (2576) playchess.com INT 2004 1-0 (46)}) 12...
Qxb6 13. Kb1 ({RR} 13. h4 Nd7 14. Nd5 Bxd5 15. Qxd5 O-O 16. Kb1 Qc7 17. h5 h6
18. Nc1 Rfc8 19. Rh2 Nb6 20. Qd2 Na4 21. Nd3 Bg5 22. Qe1 b4 23. Nxb4 Rab8 24.
b3 Nc3+ 25. Kb2 Rxb4 {0-1 (25) Ferrufino,B (1878)-Tsyhanchuk,S (2273) chess.
com INT 2023}) 13... O-O 14. h4 Rfd8 $146 ({RR} 14... d5 15. Nxd5 Nxd5 16. exd5
Bxd5 17. Be2 Rfd8 18. Qc1 Rac8 19. g5 a5 20. Nd2 a4 21. Bd3 b4 22. b3 axb3 23.
axb3 Bc5 24. Nc4 Qa7 25. Be4 Bxc4 26. bxc4 Bd4 27. Rxd4 Qxd4 28. Bd5 b3 29. c3
{Petukhov,D (2095)-Slizhevsky,A (2277) Novokuznetsk 2001 0-1}) 15. h5 b4 16.
Ne2 d5 17. exd5 Nxd5 18. Qc1 a5 19. h6 g6 20. Nd2 Bg5 21. Nc4 Bxc1 22. Nxb6
Nxb6 23. Rxd8+ Rxd8 24. Kxc1 Nc4 25. Ng3 Ne3 26. Bd3 f6 27. Ne4 Kf7 28. Nc5 Bd5
29. Be4 f5 30. gxf5 gxf5 31. Bxd5+ Rxd5 32. Nd3 Kg6 33. f4 e4 34. Ne5+ Kf6 35.
Nc6 Nxc2 36. Nxa5 Nd4 37. Nc4 Ne2+ 38. Kc2 Nxf4 39. Kb3 e3 40. Kc2 Ng2 41. Nxe3
Nxe3+ 42. Kb3 Rd4 43. Rg1 Ng4 44. a4 bxa3 45. Kxa3 Nxh6 46. b4 Nf7 47. Ka4 f4
48. Kb5 f3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Luz, Arthur Nader"]
[Black "Passos, Rafael Moreira"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 e6 5. Nbd2 Bd6 6. c3 O-O 7. Bg3 Qc7 8. Ne5
Nbd7 9. f4 b6 10. Bd3 Bb7 11. Qf3 Rad8 ({RR} 11... a5 12. Bh4 Ba6 13. Bxa6 Rxa6
14. O-O Qb7 15. Rfd1 b5 16. Nxd7 Nxd7 17. e4 cxd4 18. cxd4 dxe4 19. Nxe4 Qd5
20. Nxd6 Qxd6 21. d5 Nc5 22. dxe6 Qxe6 23. Rac1 Ne4 24. f5 Qb6+ 25. Bf2 Nxf2
26. Qxf2 {Serban,C (2214)-Ambartsumova,K (2393) chess.com INT 2023 1-0 (80)})
12. Bh4 Rfe8 $146 ({RR} 12... Rc8 13. g4 cxd4 14. exd4 Ne8 15. g5 f6 16. Bxh7+
Kxh7 17. Qh5+ Kg8 18. g6 {1-0 (18) Kowalski,I (2349)-Kiolbasa,O (2255) Warsaw
POL 2021}) 13. Qh3 Be7 14. Bb5 Nxe5 15. fxe5 Nd7 16. O-O Bxh4 17. Qxh4 a6 18.
Bd3 Nf8 19. Rf3 Qe7 20. Qh5 g6 21. Qh6 Nd7 22. Rh3 f5 23. exf6 Nxf6 24. Bxg6
hxg6 25. Qh8+ Kf7 26. Rh7+ Nxh7 27. Qxh7+ Kf6 28. Rf1+ Kg5 29. h4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Mariano, Marceley M"]
[Black "Timossi, Lucas Jose"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. f4 Bg7 5. Nf3 O-O 6. Bc4 c6 7. a4 ({RR} 7. Bb3
Na6 8. Qe2 Bg4 9. h3 Bxf3 10. Qxf3 e6 11. Be3 d5 12. e5 Nd7 13. O-O Qa5 14. Ne2
f6 15. Qg3 c5 16. c4 Kh8 17. cxd5 exd5 18. dxc5 fxe5 19. Bxd5 Naxc5 20. fxe5
Bxe5 21. Nf4 Rf6 {Czegledi,L (2290)-Sleisz,T (2280) Hungary 1999 0-1 (71)})
7... Qa5 ({RR} 7... Qc7 8. O-O e5 9. fxe5 dxe5 10. d5 {1/2-1/2 (10) Dogan,S 
(1651)-Keskin,S (1674) Kocaeli 2014}) 8. Bd2 Bg4 $146 ({RR} 8... Qb6 9. a5 Qc7
10. Qe2 Bg4 11. h3 Bxf3 12. Qxf3 Nbd7 13. e5 Ne8 14. g4 d5 15. Bd3 e6 16. h4 f6
17. Qh3 fxe5 18. dxe5 Nc5 19. h5 g5 20. fxg5 Nxd3+ 21. Qxd3 Qxe5+ 22. Kd1 Nd6
23. h6 {Toth,K (1794)-Tasnadi,G (1868) Hungary 2010 1/2-1/2 (51)}) 9. Qe2 Qh5
10. O-O-O a6 11. e5 Ne8 12. h3 Bxf3 13. gxf3 d5 14. Bd3 e6 15. Rdg1 Qh4 16. Rg4
Qe7 17. Rhg1 Nc7 18. f5 Qd7 19. f6 Bh8 20. Qe3 b5 21. Qh6 bxa4 22. Rh4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Molina, Roberto Junio"]
[Black "Nemeth Jr, Henrique"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "106"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 a6 10. e4 Nbd7 11. Qe3 Qc7 12. b3 O-O 13. Bb2 Rfe8 14. Rac1 Rad8 ({RR
} 14... h6 15. h3 Rac8 16. Nd4 Qb8 17. f4 Bf8 18. Kh2 Rcd8 19. Nde2 Rc8 20. g4
b5 21. cxb5 axb5 22. Ng3 b4 23. Na4 Rxc1 24. Rxc1 Rc8 25. Nb6 Qa7 26. Rxc8 Bxc8
27. Nc4 Qxa2 28. g5 hxg5 29. fxg5 {Sadhwani,R (2654)-Vallejo Pons,F (2667)
Moscow RUS 2023 1-0 (59)}) 15. Qe2 $146 ({RR} 15. h3 Qb8 16. Nd4 Bf8 17. Re1
Nc5 18. Rcd1 Qa8 19. Kh2 g6 20. Re2 {1/2-1/2 (20) Van der Vliet,F (2340)-Lau,R
Middlesborough (Teesside) 1978}) 15... Qb8 16. Ne1 Qa8 17. f3 h5 18. Nd3 Nc5
19. Nxc5 dxc5 20. e5 Nh7 21. f4 g5 22. Bxb7 Qxb7 23. f5 g4 24. f6 Ng5 25. h4
Nf3+ 26. Kf2 Bf8 27. Qe4 Qb8 28. Ne2 Rxd1 29. Rxd1 Rd8 30. Rd3 Rxd3 31. Qxd3
Nxe5 32. Qe3 Ng6 33. Qg5 Qb7 34. Qxh5 Qf3+ 35. Ke1 Qh1+ 36. Kd2 Qe4 37. Nf4
Nxf4 38. Qxg4+ Qg6 39. Qxg6+ Nxg6 40. h5 Bh6+ 41. Kd3 Nf8 42. Ke4 Nd7 43. g4
Bg5 44. a3 Nxf6+ 45. Ke5 Ne8 46. Ke4 f6 47. b4 Nd6+ 48. Kd3 e5 49. bxc5 bxc5
50. a4 e4+ 51. Kc3 Be3 52. Kb3 Kg7 53. Bc3 Nf7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Moreira, Cleber Naief"]
[Black "Araujo, Everson"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. d3 Nc6 4. Nf3 d6 5. g3 g6 6. Bg2 Bg7 7. a4 O-O 8. O-O Rb8
9. Re1 e5 10. d4 cxd4 11. cxd4 Bg4 12. d5 Nd4 13. Nc3 $146 ({RR} 13. Be3 Nd7
14. Nbd2 Nc5 15. h3 Bxf3 16. Nxf3 Ncb3 17. Ra3 Nxf3+ 18. Bxf3 Nd4 19. Bg2 Qa5
20. Bd2 Qc5 21. Kh2 Qc2 22. Bb4 Rfd8 23. Qc1 Rbc8 24. Rc3 Rxc3 25. bxc3 Qxa4
26. Qa1 Qb5 27. Qxa7 Nc2 {Van der Sterren,P-Egmond,P Rotterdam 1974 1/2-1/2 
(41)}) 13... a6 14. a5 Nd7 15. Be3 Rc8 16. Bxd4 exd4 17. Ne2 Rc4 18. Qd3 Rb4
19. Qd2 Rc4 20. Nexd4 Qf6 21. Rac1 Rfc8 22. b3 Rxc1 23. Rxc1 Rxc1+ 24. Qxc1 Nc5
25. e5 dxe5 26. Qxc5 exd4 27. d6 d3 28. Nd2 Qa1+ 29. Bf1 Bd4 30. Qd5 Be6 31. d7
Bxf2+ 32. Kxf2 Qf6+ 33. Qf3 Qd4+ 34. Qe3 Qxd7 35. Qxd3 Qc7 36. Nc4 Qc5+ 37. Qe3
Qb4 38. Qb6 Qc3 39. Qxb7 Qd4+ 40. Ne3 Qd2+ 41. Be2 Qxa5 42. Qxa6 Qc3 43. Qb6
Bxb3 44. Qb8+ Kg7 45. Qf4 h5 46. Qe4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Mota, Romulo Cardoso"]
[Black "Cicuto, Marcelo Cezar"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nb6 8.
Nc3 Bg7 9. Bf4 O-O 10. O-O-O a6 ({RR} 10... Re8 11. h4 d5 12. Qe1 h5 13. Nd4
Qc7 14. Ncb5 Qb8 15. Nf3 Bg4 16. Nbd4 f6 17. Bb5 Rc8 18. Nxc6 bxc6 19. Ba6 Rf8
20. Bg3 fxe5 21. Nxe5 Na4 22. b3 Qd6 23. Nc4 Qf6 24. Be5 Qxf2 25. Rd2 {Pranav,
V (2545)-Sindarov,J (2654) Almaty KAZ 2022 0-1 (33)}) ({RR} 10... f6 11. e6 f5
12. Qe3 Rf6 13. Ng5 h6 14. Nf7 Qf8 15. Nxh6+ Kh7 16. Nf7 dxe6 17. Ng5+ Kg8 18.
Bb5 e5 19. Bxc6 exf4 20. Qh3 Bh6 21. Rd8 Qxd8 22. Qxh6 Be6 23. Qh7+ Kf8 24.
Qh8+ Bg8 25. Qh6# {Mishra,S (2169)-Zulkippli,I (1553) Penang MAS 2023 1-0}) 11.
h4 h5 $146 ({RR} 11... d5 12. Qe3 Re8 13. h5 Bg4 14. hxg6 fxg6 15. Bh6 Bh8 16.
Qf4 Bxf3 17. Qxf3 e6 18. Qh3 Qe7 19. f4 Nb8 20. Bd3 N8d7 21. Rh2 Nxe5 22. fxe5
Bxe5 23. g3 Bxc3 24. bxc3 Rad8 25. Be3 Nc4 26. Bxc4 {Castro Silva,A (1928)
-Valente,G (1800) Salão de Convenções do Hot 2022 1-0 (56)}) 12. Ng5 d5 13.
exd6 Bf5 14. dxe7 Qxe7 15. Qxe7 Nxe7 16. Bc7 Bxc3 17. Bxb6 Bg7 18. Bd3 Nd5 19.
Bxf5 Nxb6 20. Be4 Rab8 21. b3 Nc8 22. Rd7 b5 23. Bd5 Nb6 24. Bxf7+ Kh8 25. Ra7
Ra8 26. Rxa8 Nxa8 27. f3 Rd8 28. Bxg6 Bc3 29. Nf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Pomar, Marcelo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. c4 Bc5 4. Nc3 Nge7 ({RR} 4... d6 5. h3 a6 6. d3 Nge7 7.
Be3 O-O 8. Qd2 f5 9. Bxc5 dxc5 10. Be2 Qd6 11. Nd5 Bd7 12. O-O f4 13. Kh2 h6
14. b4 cxb4 15. Nxe7+ Qxe7 16. d4 exd4 17. Nxd4 Ne5 18. Nf3 Bc6 19. Qb2 {
Arat,U (2389)-Perez Gormaz,M (2406) chess.com INT 2023 1/2-1/2 (48)}) 5. Nxe5
Nxe5 6. d4 Bxd4 $146 ({RR} 6... Bd6 7. dxe5 Bxe5 8. f4 Bxc3+ 9. bxc3 O-O 10.
Bd3 b6 11. O-O Ng6 12. Rf3 Re8 13. Qc2 Bb7 14. Bd2 Qe7 15. Re1 Qd6 16. Kh1 f5
17. e5 Qe6 18. Bxf5 Qxc4 19. Bd3 Qe6 20. f5 Qe7 21. fxg6 {Pardo,O-Corzo,R
Asturias 1992 1-0}) 7. Qxd4 N7c6 8. Qe3 d6 9. Qg3 O-O 10. f4 Ng4 11. h3 Nf6 12.
Bd3 Nh5 13. Qf2 f5 14. exf5 Nb4 15. Bb1 Bxf5 16. Bxf5 Rxf5 17. O-O Rf7 18. Qf3
Nf6 19. Qxb7 Rb8 20. Qxa7 c6 21. Qf2 Nd3 22. Qe2 Nxc1 23. Raxc1 Qb6+ 24. Rf2
Re8 25. Qd2 Rfe7 26. Rcf1 Nh5 27. Qxd6 Ng3 28. Nd5 Qxf2+ 29. Rxf2 Re1+ 30. Kh2
Ne4 31. Ne7+ Kf7 32. Qxc6 Nxf2 33. Qd5+ Kxe7 34. Qc5+ Kf7 35. Qxf2 R1e2 36. Qd4
R8e4 37. Qd5+ Kf6 38. Qg5+ Kf7 39. c5 h6 40. Qd5+ Ke8 41. c6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira Filho, Fernando"]
[Black "Santiago, Mauro"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7. Bd3 c5 8.
dxc5 Nxc5 9. Bb5+ Bd7 10. Bxd7+ Ncxd7 $146 ({RR} 10... Qxd7 11. Nge2 O-O 12.
O-O Rfd8 13. Rc1 Nce4 14. Bxf6 Bxf6 15. Nd4 Rac8 16. Qd3 a6 17. Nxe4 dxe4 18.
Qxe4 Bxd4 19. exd4 Rxc1 20. Rxc1 Qxd4 21. Qxd4 {1-0 (21) Donaldson,T (1788)
-McCart,R (1710) Canberra 2006}) 11. Nf3 O-O 12. O-O h6 13. Bh4 g5 14. Bg3 Qa5
15. Nd4 Rfe8 16. Nb3 Qb6 17. Nxd5 Nxd5 18. Qxd5 Nf6 19. Qf3 Rad8 20. Be5 Qc6
21. Qxc6 bxc6 22. Bd4 a6 23. Rac1 Rc8 24. Rc4 Nd7 25. Rfc1 Nb8 26. Kf1 Bd8 27.
Nc5 Re7 28. Bf6 Re8 29. Bxd8 Rexd8 30. Ke2 Kg7 31. Ra4 Rd5 32. Nxa6 Nxa6 33.
Rxa6 c5 34. Ra5 Rcd8 35. Rc2 Rc8 36. Rb5 Kf6 37. Rb6+ Kg7 38. Rd2 Rf5 39. Rdd6
f6 40. g4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Joao Victor"]
[Black "Bueno, Marcos Antonio"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 O-O 6. O-O c6 7. e5 Ng4 ({RR} 
7... Nbd7 8. e6 Nb6 9. exf7+ Kh8 10. Bd3 Bg4 11. Be3 Nfd7 12. Be2 Bxf3 13. Bxf3
d5 14. Bg5 Bf6 15. Bh6 Rxf7 16. Be2 e5 17. dxe5 Nxe5 18. f4 Nec4 19. f5 Nxb2
20. Qe1 g5 21. Bh5 Rd7 22. Qg3 {Ibrayev,N (2320)-Berezovics,A (2355)
Ekaterinburg 1997 1-0 (34)}) ({RR} 7... dxe5 8. dxe5 Ng4 9. Qxd8 Rxd8 10. h3
Nxe5 11. Nxe5 Bxe5 12. Re1 Nd7 13. f4 Bd4+ 14. Kf1 b5 15. Bb3 b4 16. Ne4 Ba6+
17. c4 Re8 18. Be3 Bxb2 19. Rad1 Nf6 20. Bc5 Nxe4 21. Rxe4 e5 22. Bxb4 {
Gba,Z-Martin,K (1138) Chennai IND 2022 1-0 (61)}) 8. h3 Nh6 9. exd6 exd6 $146 (
{RR} 9... Qxd6 10. Ne2 a5 11. c3 Na6 12. Bf4 Qd8 13. Qd2 Nf5 14. Ng3 Nxg3 15.
fxg3 b5 16. Bd3 Nc7 17. a4 bxa4 18. Rfe1 Ne6 19. Rxa4 Bd7 20. Raa1 Nxf4 21.
Qxf4 Rb8 22. Re2 a4 23. Rxa4 c5 24. Ra7 {Bayrakdar Bianco,P-Tung,S (1997) San
Sebastian 2007 0-1}) 10. Re1 d5 11. Bb3 Nd7 12. Na4 b5 13. Nc5 Nxc5 14. dxc5 a5
15. c3 Re8 16. Bf4 Kh8 17. Ne5 Qf6 18. Nxg6+ hxg6 19. Rxe8+ Kh7 20. Bxh6 Bxh6
21. Qe2 Bb7 22. Rxa8 Bxa8 23. a4 Bf8 24. axb5 Bxc5 25. Rxa5 Bb7 26. bxc6 Qxc6
27. Qb5 d4 28. Qxc6 Bxc6 29. Rxc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Leonardo Tadeu"]
[Black "Farias, Igor"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5
15. Qh5 Bf6 16. fxe6 g6 17. exf7+ Qxf7 18. Qh6 Bg7 19. Qd2 $146 ({RR} 19. Qh4
O-O 20. Be2 Bb7 21. Rhf1 Qd7 22. Nd5 Rxf1 23. Rxf1 Rf8 24. Rxf8+ Kxf8 25. Qxh7
Qf7 26. Qh4 Ke8 27. Ne3 Nd7 28. Nef5 Bf8 29. Ne3 Qf6 30. Qxf6 Nxf6 31. Bd3 Bxe4
32. Bxe4 Nxe4 33. Ne6 Nc5 {Ahmed,F (2044)-Ashvath Mittal (1681) Dubai UAE 2023
1/2-1/2 (44)}) 19... Bg4 20. Be2 Bxe2 21. Qxe2 O-O 22. Nd5 Nc4 23. Rhe1 Qf2 24.
c3 Qh4 25. Rf1 Rxf1 26. Rxf1 Qxe4+ 27. Qxe4 Nd2+ 28. Kc2 Nxe4 29. Ne7+ Kh8 30.
Re1 Ng5 31. Ndc6 Nf3 32. Re3 Rf8 33. Kb3 Nd2+ 34. Kc2 Nc4 35. Re2 Rf3 36. Nd5
Be5 37. b3 Na3+ 38. Kb2 Rd3 39. Nxe5 Rxd5 40. Nd7 b4 41. cxb4 Nb5 42. Re7 Rd2+
43. Kb1 Rxh2 44. a4 Nc3+ 45. Kc1 g5 46. Nf6 h6 47. Rh7# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Olavo Tadeu"]
[Black "Cruz, Natan"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bc5 6. Be3 Bb4 ({RR} 6... Bxd4
7. Bxd4 Nxd4 8. Qxd4 Qf6 9. e5 Qd8 10. Nb5 a6 11. Nd6+ Kf8 12. Bd3 b5 13. Be4
Rb8 14. Qa7 Qb6 15. Qxb6 Rxb6 16. Nxc8 Rb8 17. Nd6 Ke7 18. O-O-O Nh6 19. Rd4
Ng4 20. f4 f6 21. exf6+ {Barrientos Chavarriaga,S (2464)-Debesay,Y
Khanty-Mansiysk 2010 1-0 (46)}) ({RR} 6... Nxd4 7. Bxd4 Bxd4 8. Qxd4 Nf6 9.
O-O-O O-O 10. f4 Qb6 11. Qxb6 axb6 12. h3 Rd8 13. g4 d5 14. e5 Nd7 15. a3 Nc5
16. Bg2 Bd7 17. h4 b5 18. g5 g6 19. h5 Bc6 20. b4 Na4 21. Nxa4 {Prisha
Chheda-Ibtihal,M (1491) chess.com INT 2021 1/2-1/2 (45)}) 7. Qd2 Nf6 8. f3 $146
({RR} 8. Bd3 d5 9. f3 e5 10. Nxc6 bxc6 11. exd5 cxd5 12. a3 Ba5 13. b4 Bc7 14.
Bc5 Bb6 15. Qe3 Qc7 16. Nb5 Qb8 17. Qg5 Bxc5 18. bxc5 O-O 19. Nd6 Qc7 20. Nf5
Bxf5 21. Qxf5 Qxc5 22. Rb1 Qe3+ {Cole,T (1413)-Periwal,P (1860) San Francisco
2009 0-1 (42)}) 8... d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Rd1 Qa5 12. Bd4 O-O 13.
a3 Be7 14. Ne4 Qc7 15. Bc5 Bxc5 16. Nxc5 Qe5+ 17. Qe2 Qxb2 18. Qd3 Qe5+ 19. Kf2
Nc3 20. Nb3 Nxd1+ 21. Qxd1 Qd5 22. Qe1 c5 23. Qc3 Bb7 24. Bc4 Qh5 25. h3 Bd5
26. Be2 Bxb3 27. cxb3 Qh4+ 28. g3 Qe7 29. Rc1 Rab8 30. Bd1 Rfc8 31. b4 c4 32.
Be2 h5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Renato Sena"]
[Black "Franco Filho, Sinvaldo"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Bg5 Bg4 8.
Nbd2 Nbd7 9. c3 c6 10. Qc2 Qc7 11. Rfe1 Rfe8 12. h3 Bh5 13. Re3 ({RR} 13. Nh4)
13... Rxe3 14. Bxe3 Re8 15. b3 b5 $146 ({RR} 15... Bf4 16. Re1 Bxe3 17. Rxe3
Rxe3 18. fxe3 Qg3 19. e4 dxe4 20. Bxe4 Bg6 21. Bxg6 hxg6 22. Ne4 Qf4 23. Nxf6+
Nxf6 24. Qd2 Qe4 25. Qe1 Qxe1+ 26. Nxe1 Ne4 27. c4 Nc3 28. Nf3 Nxa2 29. Kf2 Nc1
30. Nd2 {Ljunggren,T (1829)-Samuelsson,N (1912) Uppsala 2015 1/2-1/2 (46)}) 16.
Rc1 Ba3 17. Rb1 Bd6 18. c4 b4 19. Rc1 Qb7 20. cxd5 cxd5 21. Qc6 Qb8 22. Bf5 Nb6
23. Bg5 Ne4 24. Nxe4 dxe4 25. Bxe4 h6 26. Bd2 Re6 27. Qc2 Qe8 28. Re1 Bxf3 29.
gxf3 f5 30. d5 Rg6+ 31. Kf1 fxe4 32. Qxe4 Qb5+ 33. Re2 Rf6 34. Bc1 Nxd5 35. Bb2
Nc3 36. Bxc3 bxc3 37. Qa8+ Rf8 38. Qe4 Bf4 39. Qe6+ Kh8 40. Qe7 Rc8 41. Qe6 Rd8
42. Kg2 Qg5+ 43. Kf1 Bh2 44. Rc2 Qg1+ 45. Ke2 Qd1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Silvio Eduardo"]
[Black "Pinto, Pedro Jorge M"]
[Result "1-0"]
[ECO "B55"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Nf5 ({RR
} 7. Ne2 Qg4 8. O-O Qxe4 9. Nbc3 Qc6 10. f4 Nd7 11. Ng3 Ngf6 12. Kh1 h5 13. h3
h4 14. Nf5 g6 15. Ne3 Nh5 16. Ned5 Ng3+ 17. Kh2 Nxf1+ 18. Qxf1 O-O-O 19. f5 Nb6
20. Nxb6+ axb6 21. fxg6 fxg6 {Grischuk,A (2710)-Grachev,B (2583) playchess.com
INT 2006 0-1}) ({RR} 7. Ne2 Nc6 8. Nbc3 Nf6 9. Bg5 Be7 10. O-O h6 11. Bxf6 Bxf6
12. Nd5 Bg5 13. c3 O-O 14. Ng3 Rad8 15. Nf5 Ne7 16. h4 Nxd5 17. Qxd5 Be7 18. h5
Kh7 19. Rad1 g6 20. hxg6+ fxg6 21. Ne3 b6 {Poorvi Rajpoot (1429)-Prachi Yadav 
(1118) Jamshedpur IND 2023 1-0 (57)}) 7... g6 8. Ne3 Nf6 9. Nc3 Qc6 $146 ({RR} 
9... Bg7 10. O-O O-O 11. Ned5 Nxd5 12. Nxd5 Nc6 13. c3 Ne7 14. Bg5 f6 15. Be3
Rfd8 16. Qb3 Nxd5 17. Qxd5+ Qf7 18. Rfd1 Qxd5 19. Rxd5 Kf7 20. Rad1 Ke7 21. c4
b6 22. Kf1 Rac8 23. b3 Bf8 24. Ke2 {Ramasindraibe,G (2030)-Gateri,M (2115)
Maputo 2011 0-1 (65)}) 10. Ned5 Nbd7 11. Bg5 Nxd5 12. Nxd5 Bg7 13. Qf3 f6 14.
Be3 Rc8 15. O-O Kf7 16. c3 h5 17. Rfd1 h4 18. Rd2 a5 19. Rad1 Rcd8 20. b4 b6
21. h3 Rh5 22. Qg4 f5 23. Qxg6+ Kxg6 24. Ne7+ Kh7 25. Nxc6 Rc8 26. Rxd6 f4 27.
Bc1 Nf6 28. f3 Ne8 29. Re6 Rh6 30. Rxh6+ Kxh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Oliveira, Yuri Garcia"]
[Black "Barbosa, Marcio Jordao"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. a3
Be7 9. b4 f5 $146 ({RR} 9... O-O 10. b5 Nd4 11. Nxe5 Bf6 12. Nd3 Re8 13. e3
Nde6 14. Qc2 Nxb5 15. Bb2 Nxc3 16. Bxc3 Ng5 17. Nxc5 Bh3 18. Ne4 Nxe4 19. Bxh3
Nxc3 20. dxc3 Qc7 21. Rab1 b6 22. c4 Rad8 23. Bg2 Re5 24. Rfc1 {Trapl,J (2380)
-Antoshik,A (2300) Karvina 1980 1/2-1/2 (68)}) ({RR} 9... O-O 10. bxc5 Bxc5 11.
Bb2 Re8 12. Rc1 Bf8 13. Ne4 Rb8 14. d3 Nb5 15. Nfg5 Nc7 16. Qb3 Be6 17. Nxe6
Nxe6 18. e3 Qa5 19. Rc4 Red8 20. Rfc1 Qb6 21. Qc2 Na5 22. Rc3 Rd7 23. Nd2 Rbd8
24. Nf3 {Kramnik,V (2781)-Timofeev,A (2665) Moscow 2011 1-0 (35)}) ({RR} 9...
cxb4 10. axb4 Bxb4 11. Nxe5 Bxc3 12. Nxc6 bxc6 13. Bxc6+ Bd7 14. Bxd7+ Qxd7 15.
dxc3 Qxd1 16. Rxd1 O-O 17. Ra5 h6 18. Rd7 Rfc8 19. Be3 a6 20. c4 Ne6 21. c5 Rc6
22. Rb7 Kf8 23. f4 Ke8 24. Kf2 {Dimkovski,S (1921)-Trajkovski,M (2075) Skopje
MKD 2019 1/2-1/2 (45)}) 10. b5 e4 11. bxc6 exf3 12. Bxf3 b5 13. Bh5+ g6 14. Bf3
Be6 15. Bb2 O-O 16. Qc2 Rb8 17. e3 Bc4 18. d4 Bxf1 19. Rxf1 c4 20. d5 Ne8 21.
Ne2 Bf6 22. Nd4 Rf7 23. Ne6 Qe7 24. Rd1 Nd6 25. Bc3 Bxc3 26. Qxc3 h6 27. h4 Kh7
28. Kg2 Qf6 29. Qb4 Ne4 30. c7 Rg8 31. Qa5 Nd6 32. Qa6 Qe5 33. Qxa7 Qb2 34. Qc5
Ne4 35. Bxe4 fxe4 36. Nf4 Qc2 37. Rh1 Rc8 38. Qd6 Rcxc7 39. Qxg6+ Kh8 40. Qxh6+
Kg8 41. Qg6+ Kh8 42. h5 Rg7 43. Qe8+ Kh7 44. h6 Rg8 45. Qe5 Rf7 46. d6 c3 47.
Qe6 Rgf8 48. d7 Qd2 49. Qxe4+ Kh8 50. Ng6+ Kg8 51. h7+ Kg7 52. h8=Q+ Rxh8 53.
Rxh8 Rxf2+ 54. Kh3 Rh2+ 55. Kg4 Rxh8 56. Kg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Olivo, Anibal"]
[Black "Andrade, Dalson Holanda"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Be7 9. Be3 O-O 10. f4 Qc7 11. f5 Bc4 12. Bxc4 Qxc4 13. Qd3 ({RR} 13. Nd2 Qc6
14. Qf3 b5 15. a3 Rd8 16. g4 d5 17. exd5 Nxd5 18. Nxd5 Qxd5 19. Ne4 Nd7 20. g5
Bc5 21. Rad1 Bxe3+ 22. Qxe3 Qc4 23. Rd2 Nf8 24. Rfd1 Rd4 25. Rxd4 exd4 26. Rxd4
Qxc2 27. Qc3 Qb1+ {Gavrikov,V (2580)-Gallagher,J (2520) Bern 1991 1/2-1/2 (37)}
) ({RR} 13. Qf3 b5 14. a3 Nbd7 15. Nd2 Qc6 16. Qg3 Kh8 17. Rad1 a5 18. Qf3 b4
19. axb4 axb4 20. Nd5 Nxd5 21. exd5 Qxc2 22. Rc1 Qxb2 23. Nc4 Qa2 24. f6 Nxf6
25. Bg5 b3 26. Bxf6 Bxf6 27. Nxd6 b2 {Ziatdinov,R (2066)-Winkels,M (1939)
chess.com INT 2022 0-1 (41)}) 13... Qxd3 14. cxd3 Nbd7 15. Bg5 $146 ({RR} 15.
d4 Rac8 16. h3 b5 17. a3 Nb6 18. dxe5 Nc4 19. exf6 Nxe3 20. fxe7 Rfe8 21. Rf2
Rxe7 22. Re1 Nc4 23. Nd5 Re5 24. f6 g6 25. Ne7+ Kf8 26. Nxc8 Rg5 27. Kh2 h5 28.
Rd1 Re5 29. Nxd6 Nxd6 {Silva Huerta,M-Guirriman,C Cuenca 2006 1-0 (39)}) 15...
h6 16. Bh4 Rac8 17. Rac1 b5 18. a3 Rfe8 19. Na2 Nc5 20. Nxc5 dxc5 21. Bxf6 Bxf6
22. Nc3 Bg5 23. Rc2 c4 24. dxc4 Rxc4 25. Rd1 Rec8 26. Re2 Rd4 27. Rxd4 exd4 28.
Nd1 d3 29. Re1 Rc2 30. Nf2 d2 31. Rd1 Be3 32. Kf1 Rc1 33. Ke2 Bxf2 34. Rxd2 Bh4
35. g3 Bg5 36. Rd6 a5 37. Rd5 Rc2+ 38. Kf3 Rxb2 39. a4 bxa4 40. Rxa5 Rb3+ 41.
Kg2 a3 42. e5 Bc1 43. Ra8+ Kh7 44. e6 fxe6 45. fxe6 Re3 46. Ra6 Bb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Paniago, Lucio"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "123"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 c5 5. Nc3 cxd4 6. Nxd4 Nc6 7. Bg2 O-O 8.
Nxc6 bxc6 9. O-O Rb8 10. e4 ({RR} 10. b3 c5 11. Bd2 d6 12. Qc1 Re8 13. Qa3 a6
14. Rad1 Qc7 15. Rfe1 Bb7 16. Nd5 Nxd5 {1/2-1/2 (16) Loginov,V (2530)-Eingorn,
V (2589) Oberwart 1999}) 10... Qa5 ({RR} 10... d6 11. Qc2 Be6 12. Ne2 Ng4 13.
Rb1 f5 14. b3 Ne5 15. Bb2 fxe4 16. Bxe4 Bh3 17. Bxe5 Bxe5 18. Bg2 Qd7 19. f4
Bg7 20. Rbe1 e5 21. fxe5 Bxe5 22. Nf4 Bxg2 23. Nxg2 Rbe8 24. Qd2 Qg7 25. Rxf8+
{Reinecke,K (1861)-Golubenko,V (2209) chess.com INT 2023 0-1 (46)}) 11. Qc2
$146 ({RR} 11. Re1 d6 12. Qc2 Ng4 13. Be3 Be6 14. Rac1 Qh5 15. h3 Nxe3 16. Rxe3
Bh6 17. f4 Bxh3 18. Ne2 Qc5 19. Qd3 Bxg2 20. Kxg2 Rxb2 21. Rh1 Bg7 22. g4 d5
23. cxd5 cxd5 24. e5 Rc8 25. e6 fxe6 {Martin,T (2220)-Pfretzschner,R (2265)
Germany 1992 0-1 (40)}) 11... Ba6 12. b3 Nxe4 13. Nxe4 Bxa1 14. Bd2 Qe5 15. Bf4
Qg7 16. Bxb8 Rxb8 17. Nc5 Bc8 18. Re1 Bf6 19. Qd1 d6 20. Nd3 c5 21. Nf4 Bb7 22.
Bxb7 Rxb7 23. Qf3 Rb8 24. Nd5 Kf8 25. h4 Be5 26. Qg4 e6 27. Ne3 Qf6 28. f4 Bd4
29. Kg2 h5 30. Qf3 Bxe3 31. Rxe3 Qe7 32. f5 gxf5 33. Qxh5 Qf6 34. Qf3 Ke7 35.
Re1 Qb2+ 36. Re2 Qd4 37. Qxf5 Rg8 38. Qe4 Qxe4+ 39. Rxe4 f5 40. Re3 e5 41. Kf2
Kf6 42. Re1 e4 43. Rg1 Ke5 44. h5 Rh8 45. Rh1 Kf6 46. Ke3 Kg5 47. Rh4 Rxh5 48.
Rxh5+ Kxh5 49. Kf4 Kg6 50. g4 fxg4 51. Kxg4 Kf6 52. Kf4 e3 53. Kxe3 Ke5 54. Kd3
Kf4 55. Ke2 Ke4 56. Kd2 Kd4 57. Kc2 Ke3 58. Kc3 a5 59. a3 Ke4 60. b4 cxb4+ 61.
axb4 axb4+ 62. Kxb4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Peixoto, Rudson"]
[Black "Wagner, Julia"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Nc2 Bg7 7. e4 d6 8. Be2
Be6 9. O-O ({RR} 9. Bf4 Rc8 10. O-O O-O 11. Rc1 Nd7 12. Ne3 Nc5 13. Ned5 a5 14.
b3 Re8 15. a3 Nd4 16. b4 Nxe2+ 17. Qxe2 Nb3 18. Rb1 axb4 19. axb4 Bxc3 20. Rxb3
Bg7 21. Ra3 Bxd5 22. cxd5 Qb6 23. b5 Rc5 {Czernecki,A (1863)-Walek,P (2265)
Frydek Mistek CZE 2022 0-1}) 9... Qc8 ({RR} 9... Rc8 10. Rb1 Ne5 11. b3 a6 12.
f4 Nc6 13. Bd2 O-O 14. Kh1 Ne8 15. Nd5 f5 16. Bd3 b5 17. exf5 Bxf5 18. Bxf5
gxf5 19. Qe2 Rb8 20. Ncb4 Nxb4 21. Nxe7+ Kh8 22. Bxb4 Qd7 23. Nd5 Nf6 24. Nxf6
{Gustafsson,J (2634)-Giffard,N (2342) Helsingor 2011 1-0 (49)}) 10. Bg5 $146 ({
RR} 10. f3 Na5 11. Nd4 Bxc4 12. Qa4+ Nd7 13. Be3 Bxe2 14. Ncxe2 Nc6 15. Rac1
Nc5 16. Qb5 Qd7 17. Rfd1 Nxd4 18. Nxd4 a6 19. Qxd7+ Kxd7 20. Rxc5 dxc5 21. Nf5+
Ke6 22. Nxg7+ Kf6 23. Bh6 Rhd8 24. Rxd8 Rxd8 {Lazar,J (2155)-Brandics,J (2290)
Hungary 2010 0-1 (55)}) 10... Ne5 11. Ne3 O-O 12. Ncd5 Bxd5 13. Nxd5 Nxd5 14.
cxd5 Re8 15. Rc1 Qd8 16. Qb3 Nd7 17. Be3 Qa5 18. Bb5 Red8 19. Bxd7 Rxd7 20. Rc4
h5 21. Rfc1 Qa6 22. a4 Re8 23. g3 Kh7 24. Kg2 Bf6 25. Qc2 b5 26. Rb4 bxa4 27.
Rxa4 Qb5 28. Qc6 Rb7 29. Rxa7 Reb8 30. Rxb7 Qxb7 31. Rc2 Bxb2 32. Qxb7 Rxb7 33.
f4 Kg7 34. Kf3 Bf6 35. h3 Rb3 36. g4 Bd4 37. Re2 f6 38. Kf2 Rxe3 39. Rxe3 f5
40. exf5 gxf5 41. g5 h4 42. Kf3 Bxe3 43. Kxe3 Kf7 44. Kd4 Kf8 45. Kc4 Ke8 46.
Kb5 e5 47. dxe6 Ke7 48. Kc4 Kxe6 49. Kd4 Ke7 50. Kd5 Kf7 51. Kxd6 Kg7 52. Ke7
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Peres, Wallafe"]
[Black "Borges, Ivoney"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "28"]
[EventDate "2021.??.??"]

1. b4 e5 2. b5 Nf6 3. Bb2 Bc5 4. Bxe5 Bxf2+ 5. Kxf2 Ng4+ 6. Ke1 Nxe5 7. g3 $146
({RR} 7. Nf3 Nxf3+ 8. exf3 Qf6 9. Qe2+ Kd8 10. Nc3 Re8 11. Ne4 Qxa1+ {0-1 (11)
Bini,G-Kautzsch,K playchess.com INT 2004}) 7... Qf6 8. Nc3 c6 9. Bg2 d5 10. d3
Ng4 11. Bf3 Qxc3+ 12. Qd2 Qxa1+ 13. Qd1 Qxd1+ 14. Kxd1 Nf2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Pessoa, Marcio"]
[Black "Pimentel, Lucas Santos"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. e4 {https://lichess.org/@/LinuxBrickie} c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6
5. Nc3 Nc6 6. Nf3 Bg4 7. Be3 e6 8. c5 Be7 9. Be2 O-O 10. a3 ({RR} 10. O-O Ne4
11. Rc1 Bf6 12. h3 Bxf3 13. Bxf3 Nxc3 14. Rxc3 b6 15. Qd2 Rb8 16. Be2 e5 17.
dxe5 d4 18. exf6 dxc3 19. Qxc3 Qxf6 20. Qxf6 gxf6 21. cxb6 axb6 22. Rc1 Ne7 23.
Rc4 Rfd8 24. Rg4+ Kh8 {Artemiev,V (2697)-Mendonca,L (2622) Villa Marina,
Douglas, Isle o 2023 [https://lichess.org/@/LinuxBrickie] 1/2-1/2 (39)}) ({RR} 
10. O-O Ne4 11. Qc2 b6 12. Qa4 Nxc3 13. bxc3 Qc7 14. Bb5 Bxf3 15. Bxc6 Rac8 16.
Bb5 Be4 17. Ba6 Rb8 18. c6 b5 19. Bxb5 Rb6 20. Rfc1 Rfb8 21. Bf1 Bd6 22. h3
Qxc6 23. Qxc6 Rxc6 24. a4 Rbc8 {Watson,J (1886)-Jackson,E (1968) Kenilworth
ENG 2023 1/2-1/2 (77)}) 10... Qc7 $146 ({RR} 10... a5 11. Na4 Nd7 12. Qd2 b6
13. Bb5 Ncb8 14. c6 Nf6 15. Bf4 Na6 16. Rc1 Nc7 17. Bd3 Rb8 18. Ne5 Bd6 19. Nd7
Bxf4 20. Qxf4 e5 21. Nxf6+ Qxf6 22. Qxg4 e4 23. Be2 Qxd4 24. Nc3 f5 25. Qf4 {
Breuer,Y (1831)-Usczeck,A (1748) Nickenich 2015 1-0}) 11. b4 b6 12. b5 Na5 13.
c6 h6 14. O-O Bd6 15. h3 Bh5 16. Kh1 Rfd8 17. g4 Bg6 18. g5 hxg5 19. Bxg5 Be7
20. Ne5 Bf5 21. Bd3 Bxh3 22. Rg1 Ne4 23. Nxe4 dxe4 24. Bxe4 Bxg5 25. Rxg5 f6
26. Qh5 Bf5 27. Bxf5 exf5 28. Rxg7+ Qxg7 29. Rg1 Qxg1+ 30. Kxg1 fxe5 31. Qg6+
Kh8 32. Qf6+ Kg8 33. Qxe5 Re8 34. Qf6 Rf8 35. Qg6+ Kh8 36. Kf1 Rae8 37. d5 f4
38. c7 Re7 39. Qh6+ Kg8 40. Qxf8+ Kxf8 41. c8=Q+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Piccoli, Lucas"]
[Black "Mekhitarian, Krikor"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "212"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 d4 5. e3 c5 6. exd4 cxd4 7. d3 Nc6 8. O-O
Bd6 ({RR} 8... Be7 9. Re1 O-O 10. b3 Nd7 11. Ba3 Re8 12. Bxe7 Rxe7 13. a3 a5
14. Nbd2 Nc5 15. Ne4 Nxe4 16. Rxe4 e5 17. Re1 Bg4 18. h3 Bh5 19. Qd2 e4 20.
Rxe4 Rxe4 21. dxe4 Bxf3 22. Bxf3 a4 23. Rb1 {Aronian,L (2799)-Nakamura,H (2792)
Saint Louis 2017 1/2-1/2 (36)}) 9. Na3 O-O 10. Nc2 e5 11. a3 $146 ({RR} 11. b4
Re8 12. Re1 a6 13. a4 h6 14. h3 Bf5 15. Rb1 Qd7 16. b5 axb5 17. axb5 Nd8 18. g4
Bg6 19. Rb3 Qc7 20. b6 Qb8 21. Rb5 Nc6 22. Nh4 Bh7 23. g5 hxg5 24. Bxg5 Nd7 25.
Qg4 Qc8 {Chu,R (2185)-Zhang Xiaowen (2307) Fuling CHN 2022 1/2-1/2 (33)}) ({RR
} 11. b4 Re8 12. Re1 a6 13. a4 Bf5 14. c5 Bf8 15. Bg5 h6 16. Bxf6 Qxf6 17. Nh4
Bh7 18. Be4 Bxe4 19. Rxe4 a5 20. b5 Ne7 21. Qh5 Nd5 22. Rae1 g6 23. Qf3 Qxf3
24. Nxf3 f6 25. Ncxd4 Nc3 {Makkar,R (2452)-Klimkowski,J (2520) Montesilvano
ITA 2023 1/2-1/2 (55)}) 11... a5 12. b3 h6 13. Rb1 Re8 14. b4 axb4 15. axb4 Bf5
16. h3 Qd7 17. g4 Bh7 18. g5 hxg5 19. Nxg5 Bg6 20. b5 Ne7 21. b6 Nf5 22. Ne4
Nxe4 23. Bxe4 Nh4 24. Bxg6 Nxg6 25. Qf3 Re6 26. Bg5 Be7 27. h4 Nxh4 28. Bxh4
Bxh4 29. Ne1 Rf6 30. Qd5 Rd6 31. Qf3 Bd8 32. Rb5 f6 33. Ng2 Rxb6 34. Rxb6 Bxb6
35. Rb1 Ra6 36. c5 Bxc5 37. Rxb7 Ra1+ 38. Kh2 Qe6 39. Qg3 Bf8 40. Qg6 Ra2 41.
Kg3 Qd5 42. Rb1 Ra3 43. f3 Qf7 44. Qf5 g6 45. Qe4 Ra7 46. Rb8 Kg7 47. Rb1 Bd6
48. Qc6 Qd7 49. Qe4 Rc7 50. Rh1 Qf5 51. Qxf5 gxf5 52. Nh4 f4+ 53. Kg4 Kf7 54.
Kf5 Bf8 55. Rb1 Ra7 56. Rb6 Bg7 57. Rc6 Rd7 58. Rb6 Re7 59. Ng6 Re8 60. Rb7+
Kg8 61. Ra7 Kh7 62. Ne7 e4 63. fxe4 f3 64. Nd5 f2 65. Ra1 Re5+ 66. Kf4 f5 67.
Rf1 fxe4 68. dxe4 Re8 69. Rxf2 Rf8+ 70. Kg3 Be5+ 71. Kg2 Rg8+ 72. Kf1 Rg4 73.
Re2 Rh4 74. Ke1 Kg6 75. Kd2 Kf7 76. Nb4 Ke6 77. Nd3 Bf6 78. Nc5+ Kd6 79. Nd3
Bg5+ 80. Kc2 Rh8 81. e5+ Kd5 82. Nb4+ Kc4 83. Nd3 Rc8 84. e6 Be3 85. e7 Kd5+
86. Kb3 Re8 87. Nb4+ Ke4 88. Nc2 Rxe7 89. Nxd4 Kxd4 90. Rc2 Rb7+ 91. Ka4 Kd5
92. Rc3 Bd4 93. Rc2 Bc5 94. Rc1 Rb4+ 95. Ka5 Kc6 96. Rc3 Rh4 97. Rc2 Rh3 98.
Rc4 Rg3 99. Rh4 Rc3 100. Rg4 Rb3 101. Rg6+ Kd5 102. Rg5+ Kc4 103. Rg4+ Bd4 104.
Ka6 Rb6+ 105. Ka5 Rh6 106. Rf4 Rh7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Pinheiro, Pedro"]
[Black "Carmo, Jose Arlindo"]
[Result "0-1"]
[ECO "D95"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 g6 5. Nc3 Bg7 6. cxd5 cxd5 7. Bb5+ Bd7 8.
Bd2 ({RR} 8. Qb3 O-O 9. Bxd7 Qxd7 10. Ne5 Qc7 11. Nxd5 Nxd5 12. Qxd5 e6 13. Qb3
Bxe5 14. dxe5 Rd8 15. O-O Nc6 16. f4 Rac8 17. Rf2 Na5 18. Qa4 Nc4 19. h3 b5 20.
Qb3 a6 21. Kh2 Rd5 22. Rc2 Rcd8 {Kovalenko,I (2684)-Mohammad,N (2412) chess.
com INT 2017 1-0 (41)}) ({RR} 8. Qa4 Nc6 9. Qb3 e6 10. O-O O-O 11. Bd3 b6 12.
Bd2 {1/2-1/2 (12) Besirevic,J (1844)-Sinanovic,F (1910) Mostar BIH 2021}) 8...
O-O 9. h3 $146 ({RR} 9. Rc1 a6 10. Ba4 b5 11. Bb3 e6 12. Ne2 Nc6 13. Nf4 Ne4
14. Nd3 Rc8 15. Nb4 Nxd2 16. Nxc6 Nxf3+ 17. Qxf3 Rxc6 18. O-O Qc7 19. Rxc6 Qxc6
20. Qe2 Rc8 21. Rd1 a5 22. Rd2 a4 23. Bd1 Qb7 {Struwecker,S (1750)-Tauscher,M 
(1675) Obertsdorf 2002 0-1 (54)}) 9... Bxb5 10. Nxb5 Nc6 11. Nc3 e6 12. O-O Rc8
13. a3 Nd7 14. Rb1 Nb6 15. b3 Qe7 16. Bc1 a6 17. Bb2 Rc7 18. Qd3 Rfc8 19. Ne2
Na7 20. Rfc1 Nc6 21. Nd2 Nd7 22. b4 Nb6 23. b5 Nb8 24. Rxc7 Rxc7 25. bxa6 Nxa6
26. Bc3 Nc4 27. Nxc4 Rxc4 28. Bd2 Qc7 29. Nc3 Bf8 30. Na2 Bd6 31. Qb3 Rc2 32.
Bc3 Rxa2 33. Qxa2 Qxc3 34. a4 Nb4 35. Qe2 Qc6 36. Ra1 Qc3 37. a5 Qxa1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Quintiliano, Renato"]
[Black "Oliveira, Aquiles"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 a6 3. Nf3 e6 4. g3 b5 5. d4 cxd4 6. Nxd4 Bb7 7. Bg2 Nf6 8. a3
d6 9. O-O Nbd7 10. Re1 Qc7 11. a4 b4 12. Nd5 exd5 13. exd5+ Kd8 $146 ({RR} 
13... Ne5 14. f4 O-O-O 15. fxe5 dxe5 16. Nb3 Nxd5 17. Qe2 f6 18. a5 Bc5+ 19.
Nxc5 Qxc5+ 20. Kh1 h5 21. c4 Ne7 22. Be3 Bxg2+ 23. Qxg2 Qc6 24. Re2 h4 25. gxh4
Rxh4 26. b3 Re4 27. Rae1 Rd3 28. Kg1 {Danielyan,V (2346)-Pranav,V (2608) chess.
com INT 2023 0-1 (55)}) 14. Nc6+ Bxc6 15. dxc6 Nb8 16. Bg5 Be7 17. c4 Ke8 18.
c5 Kf8 19. Bf4 Ne8 20. cxd6 Nxd6 21. Rxe7 Kxe7 22. Qe1+ Kf8 23. Rd1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Ribeiro, Matheus D"]
[Black "Gazineu Neto, Rubens"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. d4 Bg4 6. d5 Nd4 7. Be3 Nxf3+ 8.
gxf3 Bh5 9. Be2 Be7 10. f4 exf4 11. Bxf4 Bg6 12. Qc2 $146 ({RR} 12. Bf3 Nd7 13.
Qd2 O-O 14. O-O-O f5 15. Rhg1 Bf6 16. exf5 Bxc3 17. bxc3 Bxf5 18. Bg5 Qe8 19.
Rde1 Ne5 20. Be2 Qa4 21. Qb2 Bd3 22. Bd1 Qxc4 23. f4 Ng6 24. Bb3 Qb5 25. h4
Rae8 26. Re6 Nxf4 {Bukal,V-Ivic,S Ribnica 1979 1-0}) 12... Nd7 13. O-O-O Bg5
14. Qd2 h6 15. Rhg1 Nc5 16. Qe3 Qf6 17. Bxg5 hxg5 18. Rxg5 Rxh2 19. f4 O-O-O
20. e5 dxe5 21. Rxe5 b6 22. Nb5 Kb8 23. Nd4 Kb7 24. Bf3 Kc8 25. f5 Bh5 26. Bxh5
Rxh5 27. Nc6 Rdh8 28. Re8+ Kb7 29. Nd8+ Kc8 30. Nxf7+ Kd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Rocha, Jean Henrique"]
[Black "Nascimento, Davi Araujo"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nbd7 4. O-O e5 5. d3 Bd6 6. c4 d4 ({RR} 6... c6 7.
cxd5 cxd5 8. e4 O-O 9. exd5 Nxd5 10. Re1 N5f6 11. Nc3 h6 12. d4 exd4 13. Nxd4
Nc5 14. Ndb5 Bb8 15. Be3 Ne6 16. Qb3 a6 17. Rad1 Qe7 18. Nd4 Be5 19. Nf5 Qe8
20. Bxh6 Nc5 21. Nxg7 {Grischuk,A (2777)-Caruana,F (2842) chess.com INT 2020
1-0 (49)}) ({RR} 6... c6 7. cxd5 cxd5 8. Bg5 O-O 9. Nc3 h6 10. Bxf6 Nxf6 11.
Nd2 Be6 12. Qb3 Bc5 13. Na4 Bb6 14. Nxb6 axb6 15. a3 Ra6 16. Rac1 Qd7 17. Nf3
e4 18. Nd4 Bh3 19. Rfd1 Bxg2 20. Kxg2 Re8 21. dxe4 {Tologontegin,S (2394)
-Rosenberg,E (1931) chess.com INT 2023 1-0 (47)}) 7. Bg5 $146 ({RR} 7. Nbd2 O-O
8. a3 c5 9. Ng5 h6 10. Nge4 Rb8 11. Nxd6 Qc7 12. N2e4 Nxe4 13. Nxe4 Re8 14. f4
f5 15. Nf2 Qd8 16. e3 Qf6 17. exd4 exd4 18. Re1 Re7 19. Rxe7 Qxe7 20. Bd2 Qf7
21. Bd5 Nf6 {Le Lostec,M (1650)-Thebaut,H (1443) Morbihan 2012 1-0}) 7... h6 8.
Bxf6 Nxf6 9. Nbd2 O-O 10. Rc1 c5 11. Ne4 Nxe4 12. dxe4 Bd7 13. e3 Bc6 14. Ne1
dxe3 15. fxe3 Qe7 16. Nd3 Rad8 17. Qe2 Rd7 18. Rfd1 b6 19. b3 Bb8 20. Rd2 Rfd8
21. Rcd1 Rd6 22. Nb2 Qb7 23. Rxd6 Rxd6 24. Rxd6 Bxd6 25. Qg4 Qd7 26. Qf5 g6 27.
Qxd7 Bxd7 28. Nd3 Bc6 29. h4 h5 30. Kf2 Kg7 31. Ne1 f6 32. Nc2 g5 33. a3 Kf7
34. Ke2 g4 35. Kd3 f5 36. Ne1 f4 37. exf4 exf4 38. gxf4 Bxf4 39. e5 Bg3 40.
Bxc6 Bxe1 41. Ke2 Bxh4 42. Kf1 Bg5 43. Kg1 Ke6 44. Kh2 h4 45. Bb7 Kxe5 46. b4
cxb4 47. axb4 a5 48. bxa5 bxa5 49. Bd5 Be3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Rocha, Vitor Firmo"]
[Black "Costa, Kerginaldo"]
[Result "0-1"]
[ECO "B42"]
[PlyCount "130"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4
g6 9. Nc3 Bg7 10. Rd1 O-O 11. Nf3 Nbd7 12. h3 b6 13. Bf4 Bb7 14. Rac1 Rac8 15.
b3 Nh5 16. Bh2 $146 ({RR} 16. Be3 Bxc3 17. Rxc3 Nc5 18. Bh6 Rfd8 19. Bb1 f5 20.
exf5 exf5 21. Nd4 Re8 22. Re3 Qf7 23. Re1 Rxe3 24. Qxe3 Nf6 25. Qe7 Re8 26.
Qxf7+ Kxf7 27. Rxe8 Kxe8 28. f3 d5 29. b4 Na4 30. Bc2 Nb2 {Fernandez Garcia,J 
(2431)-Castaner Harster,X (2137) Tenerife 2016 1-0 (43)}) 16... Bh6 17. Bb1 Nf4
18. Qf1 e5 19. Rc2 Nc5 20. g3 Nh5 21. Nd5 Bxd5 22. cxd5 Qa7 23. g4 Nf4 24. g5
Bg7 25. Bxf4 exf4 26. Nd4 Qe7 27. Qg2 Bxd4 28. Rxd4 Qe5 29. Rd1 Nd7 30. Rc6
Rxc6 31. dxc6 Nc5 32. Rd5 Qe7 33. Qg4 Ne6 34. e5 dxe5 35. Rxe5 Qd6 36. Re1 Qxc6
37. Be4 Qc3 38. Kf1 Qa5 39. h4 Rd8 40. Bh1 Qb5+ 41. Kg1 Qd7 42. Bg2 Qd6 43. Bh3
Nd4 44. Bg2 f5 45. gxf6 Qxf6 46. Bf1 b5 47. Bg2 h5 48. Qg5 Qxg5 49. hxg5 Kf7
50. Re4 Ne6 51. Bh3 Nxg5 52. Rxf4+ Kg7 53. Bg2 Rd1+ 54. Kh2 Rd2 55. a4 bxa4 56.
Rxa4 Rxf2 57. Rxa6 Rb2 58. Rb6 h4 59. Kh1 h3 60. Bd5 Kh6 61. Rf6 Kh5 62. Rf4
Nh7 63. Bf3+ Kh6 64. Rh4+ Kg7 65. Bg4 Ng5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Rodrigues, Edgar"]
[Black "Pereira, Geanfrancesco"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. Bc4 Bd7 10. O-O-O Rb8 11. Kb1 Na5 12. Be2 a6 13. h4 b5 14. h5 Nc4 15.
Bxc4 bxc4 16. Ka1 $146 ({RR} 16. Bh6 Bxh6 17. Qxh6 g5 18. e5 Qb6 19. b3 cxb3
20. cxb3 dxe5 21. Qxg5+ Kh8 22. Qxe5 a5 23. g4 Qd6 24. Qxd6 exd6 25. g5 Ne8 26.
Ne4 Kg7 27. f4 Rb6 28. f5 f6 29. h6+ Kg8 30. g6 Bc8 {Korchagina,V (2109)
-Chuprova,I (1919) St Petersburg 2011 1-0 (34)}) 16... Qb6 17. Rb1 Qa5 18. Bh6
Rb4 19. Bxg7 Kxg7 20. hxg6 fxg6 21. a3 Rfb8 22. Na2 Ra4 23. Qh6+ Kg8 24. c3 Qc5
25. g4 Ra5 26. f4 Bxg4 27. f5 Kf7 28. Ne6 Qb6 29. Ng5+ Ke8 30. Nxh7 Nxe4 31.
Qxg6+ Kd8 32. Qxg4 Nd2 33. Nb4 Nxb1 34. Rxb1 Re5 35. f6 a5 36. f7 Kc7 37. Qxc4+
Kb7 38. Nd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Romais, Rodrigo"]
[Black "Pontes, Felipe"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Bb4 ({RR
} 7... Qc5 8. Nb3 Qc7 9. f4 d6 10. Be2 Nc6 11. Qd2 b5 12. a4 b4 13. Nd1 a5 14.
e5 Ne4 {1/2-1/2 (14) De Firmian,N (2539)-Ehlvest,J (2610) Virginia Beach 2007})
8. Bd2 Bc5 ({RR} 8... O-O 9. a3 Bc5 10. Be3 b5 11. Qe2 Bb7 12. Nf3 Bxe3 13.
Qxe3 Nc6 14. e5 Ng4 15. Qe4 f5 16. exf6 Nxf6 17. Qh4 d5 18. Ng5 g6 19. Nxe6 Qf7
20. Nxf8 Rxf8 21. f4 Qg7 22. Qh3 Bc8 23. f5 {Rigozinski,D-Machado,W (1691) Rua
Alvaro Alvim, 48 - Sala 9 2022 1-0 (49)}) 9. Nde2 $146 ({RR} 9. Nb3 Be7 10. f4
d6 11. Qe2 Nbd7 12. Rae1 O-O 13. Kh1 e5 14. a4 exf4 15. Bxf4 Ne5 16. Bg5 Bg4
17. Qf2 Be6 18. Nc1 h6 19. Bd2 Rac8 20. N1e2 Nc4 21. Bc1 Ne5 22. h3 Nxd3 23.
cxd3 Nd7 {Pinter,P (2115)-Majzlan,B Martin 1996 1-0 (39)}) 9... O-O 10. Ng3 d6
11. Nh5 Nbd7 12. Kh1 Nxh5 13. Qxh5 Nf6 14. Qh4 b5 15. f4 Bb7 16. Rae1 h5 17. e5
Qc6 18. Ne4 Ng4 19. Qxh5 f5 20. exf6 Nxf6 21. Nxf6+ Rxf6 22. Qg5 b4 23. Rf3
Qxf3 24. Rf1 Qd5 25. Qg4 Qd4 26. Bc1 e5 27. Rd1 Qf2 28. fxe5 dxe5 29. Qh3 Bxg2+
30. Qxg2 Qxg2+ 31. Kxg2 Rf2+ 32. Kg3 Kh8 33. Re1 Re8 34. Re4 Re6 35. Rh4+ Kg8
36. Bc4 Kf7 37. Bxe6+ Kxe6 38. Rc4 Kd5 39. Rxc5+ Kxc5 40. Kxf2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Santanna, Paulo"]
[Black "Abrantes, Tiago Garrido"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. f3 e6 5. g4 Bg6 6. h4 h6 7. e3 c5 8. Nb5 Na6
9. c3 Qb6 10. a4 Be7 11. Bd3 Bxd3 12. Qxd3 c4 13. Qc2 Rc8 14. Qh2 Kd7 15. Ne2
$146 ({RR} 15. Nh3 Nb8 16. g5 Nh5 17. O-O a6 18. Na3 hxg5 19. Bxb8 Rxb8 20.
hxg5 Bd6 21. f4 Qc7 22. Qg2 g6 23. Nc2 Rh7 24. Nf2 Bxf4 25. Ng4 Bd6 26. Rf3
Rbh8 27. Rh3 Kc8 28. Rf1 Ng3 29. Rxh7 Rxh7 {Haubt,G (2132)-Romcovici,V (2122)
Radebeul 2016 0-1 (36)}) 15... Nb8 16. O-O a6 17. Na3 Nc6 18. e4 Na5 19. Be5
dxe4 20. fxe4 Nxg4 21. Qf4 h5 22. Bxg7 Rhg8 23. Qxf7 Ne5 24. Qxh5 Rxg7+ 25. Kh1
Nd3 26. d5 e5 27. b4 Qe3 28. Qf5+ Kc7 29. Nd4 exd4 30. d6+ Bxd6 31. Qxa5+ Kb8
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Santiago, Yago"]
[Black "Veiga, Emerson"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 Be7 5. Nbd2 O-O 6. Bd3 b6 7. Qe2 c5 8. c3
Bb7 9. Bxf6 Bxf6 10. h4 Nc6 11. Ng5 $146 ({RR} 11. Bxh7+ Kxh7 12. Ng5+ Kh6 13.
Qg4 e5 14. f4 exd4 15. cxd4 Qc8 16. f5 Qc7 17. Ne6 Qe7 18. Qg5+ Kh7 19. Qh5+
Kg8 20. Ng5 Bxg5 21. hxg5 f6 22. Qh7+ Kf7 23. Qg6+ Kg8 24. O-O-O Qe8 25. Qh7+
Kf7 {Dittmann,R (2031)-Basel,M (1978) Bayern 2004 1-0 (46)}) 11... g6 12. f4
Qd6 13. g3 Rfe8 14. O-O-O Rac8 15. Kb1 cxd4 16. exd4 Na5 17. Ndf3 Kg7 18. h5
Rh8 19. Ne5 Bxg5 20. fxg5 Nc6 21. Nxf7 Kxf7 22. hxg6+ Ke7 23. Rxh7+ Rxh7 24.
gxh7 Qxg3 25. Qh5 Rh8 26. Qg6 Kd6 27. Qf6 Qg4 28. Re1 Qh3 29. Bf5 Rxh7 30. Bxh3
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Santos, Jarlison"]
[Black "Rocha, Matheus Eugenio"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bd3 Nc6 6. O-O Bg4 7. c3 Qc7 8.
Bg5 Ne4 9. Bh4 e6 10. Re1 Bd6 11. h3 Bf5 12. Nbd2 $146 ({RR} 12. Ng5 Bh2+ 13.
Kh1 Qf4 14. Nxe4 dxe4 15. Bg3 Bxg3 16. fxg3 Qf2 17. Re2 Qxg3 18. Bxe4 {1/2-1/2
(18) Hartmann,T-Hamm,S (2260) Rheinhausen 1998}) 12... Nxf2 13. Bxf2 Bxd3 14.
Qb3 O-O 15. Rac1 b5 16. Re3 Bg6 17. Qd1 Rac8 18. Re1 Qa5 19. Nh4 Qxa2 20. Nxg6
hxg6 21. Qc2 Nb4 22. Qb1 Qxb1 23. Rxb1 Nd3 24. Rf1 Nxf2 25. Rxf2 e5 26. dxe5
Bc5 27. Kf1 Bxf2 28. Kxf2 Rfe8 29. Nf3 f6 30. Rd1 Rcd8 31. exf6 gxf6 32. Nd4 a6
33. Nc6 Rd6 34. Nb4 Red8 35. Ke3 Kf7 36. Ra1 d4+ 37. cxd4 Rxd4 38. Nc6 Rd3+ 39.
Ke4 R8d6 40. Rxa6 Rd2 41. b4 Rxg2 42. Ra7+ Ke8 43. Nd4 Rg3 44. Rh7 Rg5 45. Rb7
Re5+ 46. Kd3 Red5 47. Rb8+ Kf7 48. Rb7+ Kg8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Santos, Marcus Vinicius"]
[Black "Dantas, Neimar"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Bd3 Bb7 7. f3 d6 8. Ne2
Nbd7 ({RR} 8... Nfd7 9. e4 Qh4+ 10. Ng3 h5 11. Be3 Nc6 12. Qd2 Qe7 13. h4 O-O-O
14. Ne2 Rdg8 15. Nc1 f6 16. Nb3 g5 17. hxg5 fxg5 18. a4 g4 19. f4 a5 20. Kd1 h4
21. Kc2 h3 22. g3 Qf7 23. c5 {Sarana,A (2685)-Sjugirov,S (2712) chess.com INT
2023 1-0 (39)}) 9. O-O Qe7 10. e4 c5 11. a4 $146 ({RR} 11. d5 e5 12. Ng3 O-O-O
13. Nf5 Qf8 14. a4 a5 15. Bg5 h6 16. Bh4 Kb8 17. Rb1 Ka7 18. Qb3 g5 19. Be1 Ne8
20. Rf2 Ba6 21. g3 Ng7 22. Ne3 Rb8 23. Rfb2 Qe7 24. Qc2 Nf8 25. Qf2 Ng6 {
Ovod,E (2355)-Zainullina,N (2167) Vladimir 2002 1/2-1/2}) 11... a5 12. Ra2 h6
13. Ng3 g6 14. f4 cxd4 15. cxd4 e5 16. fxe5 dxe5 17. Ba3 Qe6 18. d5 Qg4 19.
Qxg4 Nxg4 20. h3 Ngf6 21. Raf2 Nh7 22. Rxf7 O-O-O 23. Ne2 g5 24. Ng3 Nhf8 25.
Nf5 Nc5 26. Bxc5 bxc5 27. Rb1 Bc6 28. Ne7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Santos, Matheus Garcett"]
[Black "Cadilhac, Igor"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 O-O 6. O-O d6 7. Nbd2 Na5 8. Re1
({RR} 8. Bb5 c6 9. Ba4 b5 10. Bc2 c5 11. Re1 Nc6 12. Nf1 Re8 13. h3 Bf8 14. d4
cxd4 15. cxd4 h6 16. Ng3 Bd7 17. Be3 a5 18. d5 Nb4 19. Bb1 Rc8 20. Qd2 Na6 21.
Bc2 Nc5 22. Rac1 Qb6 {Mariotti,S (2500)-Tatai,S (2480) Rome 1980 1-0 (44)}) ({
RR} 8. Bb5 c6 9. Ba4 b5 10. Bc2 c5 11. Re1 Nc6 12. Nf1 Re8 13. Ng3 Bf8 14. d4
Qc7 15. d5 Ne7 16. Bg5 Nd7 17. c4 bxc4 18. Ba4 f6 19. Be3 Rd8 20. Rc1 Nb6 21.
Bb5 Rb8 22. Qd2 f5 {Rashed Alawadhi,A-Ali,A (1883) Sharjah UAE 2022 0-1 (35)})
8... Nxc4 9. Nxc4 Re8 10. a4 Be6 $146 ({RR} 10... Bf8 11. Qb3 c6 12. a5 h6 13.
h3 Qc7 14. Bd2 Be6 15. Qc2 Nd7 16. Ne3 d5 17. c4 d4 18. Nf5 Bxf5 19. exf5 Nf6
20. b4 Rad8 21. Qb1 Bd6 22. c5 Bf8 23. a6 Rb8 24. axb7 Rxb7 25. Qc2 {
Balajayeva,K (2130)-Yildiz,B (2315) Chakvi 2015 0-1 (52)}) 11. a5 b5 12. axb6
axb6 13. Na3 Bf8 14. Bg5 h6 15. Bh4 g5 16. Bg3 Nd7 17. c4 Bg7 18. Nd2 Nc5 19.
Qc2 Bd7 20. b4 Ne6 21. Nb3 f5 22. f3 Ra4 23. b5 Qa8 24. Qb2 Nf4 25. Red1 g4 26.
Nc2 Rxa1 27. Rxa1 Qd8 28. Nb4 gxf3 29. gxf3 Nh3+ 30. Kh1 fxe4 31. dxe4 Rf8 32.
Qe2 Ng5 33. Nd2 Ne6 34. Qd3 Bf6 35. Nd5 Bg5 36. Ne3 Kh7 37. Nf5 Nc5 38. Qc2
Bxf5 39. exf5 Bxd2 40. Qxd2 Nb3 41. Qd3 Nxa1 42. f6+ Kh8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Sega, Carlos Alberto"]
[Black "Azevedo Jr, Joao"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3
a6 9. h3 Rb8 10. a4 Qa5 ({RR} 10... b6 11. Be3 e6 12. Qd2 Na5 13. Rab1 Nc6 14.
f4 Bb7 15. f5 d5 16. exd5 exd5 17. Bxd5 Nxd5 18. Nxd5 Ne7 19. f6 Nxd5 20. fxg7
Re8 21. Bh6 f5 22. g4 Qh4 23. cxd5 Qxh3 24. Nc3 Qxg4+ 25. Qg2 {Graf,A (2623)
-Othman,A (2367) Dubai 2002 1-0 (31)}) ({RR} 10... Nd4 11. Nxd4 cxd4 12. Ne2
Nd7 13. b4 a5 14. g4 axb4 15. Bd2 Nc5 16. Bxb4 f5 17. Bxc5 dxc5 18. exf5 gxf5
19. Nc1 Qd6 20. Nb3 fxg4 21. hxg4 Qf4 22. Qd2 Qxd2 23. Nxd2 Bxg4 24. Rfe1 Bf6
25. f3 {Tscheuschner,G (1849)-Hansch,K (1955) Germany 2012 1-0 (43)}) ({RR} 
10... Bd7) 11. Bd2 $146 ({RR} 11. Be3 Ne8 12. Qd2 Nd4 13. Nxd4 cxd4 14. Nd5 Qd8
15. Bh6 Bxh6 16. Qxh6 e6 17. Nb4 Qb6 18. Qd2 Qa5 19. Rfd1 Qh5 20. g4 Qh4 21. f4
f5 22. exf5 gxf5 23. g5 Bd7 24. Qf2 Qh5 25. Re1 h6 {Schueppel,W-Schmitz,J
Germany 1995 0-1 (57)}) 11... Qc7 12. Rc1 Nb4 13. Be3 Be6 14. b3 Nd7 15. f4 f5
16. Kh2 Nf6 17. Qd2 Rbd8 18. d4 fxe4 19. Nxe4 Nxe4 20. Bxe4 Qd7 21. Bg2 b6 22.
Nc3 Bf5 23. d5 Qe8 24. g4 Bc8 25. Rce1 Qf7 26. Ne4 e6 27. Ng5 Qe7 28. dxe6 Bxe6
29. Bg1 Rxf4 30. Qxf4 Nd3 31. Rxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Sekula, Markley"]
[Black "Silva, Afranio Marcio"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. Nf3 Nc6 2. d4 Nf6 3. d5 Na5 ({RR} 3... Nb8 4. c4 e6 5. g3 Bc5 6. Bg2 O-O 7.
Nc3 exd5 8. cxd5 d6 9. O-O Re8 10. b3 Bg4 11. Bb2 Nbd7 12. Nd4 Bxd4 13. Qxd4
Bxe2 14. Rfe1 Bh5 15. h3 Bg6 16. g4 Rxe1+ 17. Rxe1 Ne5 18. Re3 {Ding Liren 
(2791)-Vachier Lagrave,M (2778) chess24.com INT 2020 1-0 (33)}) ({RR} 3... Nb8
4. c4 e6 5. Nc3 Bb4 6. e3 Bxc3+ 7. bxc3 d6 8. Bd3 O-O 9. O-O Na6 10. Ba3 b6 11.
e4 e5 12. Nd2 Nc5 13. Bxc5 dxc5 14. f4 Nd7 15. f5 Qg5 16. Nf3 Qg4 17. f6 Nxf6
18. Nxe5 {Semenenko,D-Damjanovic,V (2346) chess.com INT 2023 0-1 (76)}) 4. e4
$146 ({RR} 4. b4 Nc4 5. e4 Nb2 6. Bxb2 Nxe4 7. Be2 d6 8. O-O Bf5 9. Bb5+ Bd7
10. Qd3 f5 11. Nd4 g6 12. Ne6 Qc8 13. Bxh8 a6 14. Bxd7+ Qxd7 15. Nd2 Bh6 16.
Nxe4 fxe4 17. Qxe4 c6 18. dxc6 Qxc6 {Ferreira,F-Borges,D Juazeiro do Norte
2011 1-0}) 4... c6 5. b4 cxd5 6. bxa5 dxe4 7. Nd4 Qxa5+ 8. Bd2 Qb6 9. Nb3 d5
10. Ba5 Qc6 11. Nd4 Qd6 12. Nb5 Qe5 13. Nc7+ Kd7 14. Bb5+ Kd6 15. Bc3 Qxc3+ 16.
Nxc3 Kxc7 17. Nxd5+ Nxd5 18. Qxd5 Be6 19. Qc5+ Kb8 20. Rd1 b6 21. Rd8+ Kb7 22.
Qc6# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Setti, Eduardo"]
[Black "Proudian, Armen"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Na5 5. Nf3 Nxc4 6. dxc4 Bb4 7. Bd2 O-O ({
RR} 7... Bxc3 8. Bxc3 d6 9. Qe2 b6 10. O-O-O Qe7 11. Nh4 g6 12. g3 Bb7 13. f3
O-O-O 14. Ng2 Rhf8 15. Ne3 Rde8 16. a4 Nd7 17. Nd5 Qe6 18. a5 f5 19. axb6 axb6
20. Bb4 fxe4 21. fxe4 Rf7 22. Nxc7 {Tseitlin,M (2505)-Luczak,A (2440) Naleczow
1979 1/2-1/2 (57)}) ({RR} 7... d6 8. Qe2 O-O 9. O-O-O a5 10. h3 Nd7 11. g4 Nc5
12. Ne1 Ne6 13. Ng2 Qe8 14. Ne3 Nd4 15. Qd3 Nf3 16. Nf5 Nxd2 17. Qxd2 Qd8 18.
a3 Bc5 19. Nd5 Be6 20. Nde7+ Kh8 21. Qg5 Bxf5 22. gxf5 {Sygnowski,T (2119)
-Willow,J (2411) England ENG 2022 1/2-1/2 (61)}) 8. Nd5 $146 ({RR} 8. Nxe5 Qe7
9. Nf3 Nxe4 10. O-O Nxd2 11. Qxd2 d6 12. Rfe1 Be6 13. a3 Bc5 14. b4 Bb6 15. Nd5
Qd7 16. a4 Rae8 17. a5 Qc6 18. axb6 Qxc4 19. Nxc7 Rc8 20. Nxe6 fxe6 21. bxa7
Rf4 22. a8=Q Rxa8 {Schmidt,P-Koehler,M Germany 2005 1-0 (42)}) 8... Nxd5 9.
cxd5 Bd6 10. h4 c6 11. Bg5 f6 12. Be3 f5 13. exf5 Qa5+ 14. c3 cxd5 15. Ng5 h6
16. Qh5 Rf6 17. Qe8+ Bf8 18. Qxe5 d6 19. Qe8 hxg5 20. hxg5 Rxf5 21. g4 Rf3 22.
Rh8+ Kxh8 23. Qh5+ Kg8 24. g6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Silva, Alex Castro"]
[Black "Cunha, Lucas Aguiar"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. a3
Nxd4 ({RR} 8... Ne5 9. h3 b5 10. f4 Nc4 11. Bxc4 Qxc4 12. Qd3 Bb7 13. O-O Be7
14. Qxc4 bxc4 15. e5 Nd5 16. Nxd5 Bxd5 17. Ne2 Rb8 18. Bd4 f5 19. Rad1 Rg8 20.
Kh2 g5 21. Rd2 g4 22. Nc3 Bc6 23. hxg4 {Atabayew,S (2425)-Santos Ruiz,M (2592)
lichess.org INT 2021 0-1 (42)}) 9. Bxd4 Bc5 10. Bxc5 $146 ({RR} 10. Be2 d6 11.
O-O e5 12. Bxc5 Qxc5 13. Qd3 Be6 14. Rfd1 Rd8 15. Nd5 Bxd5 16. exd5 O-O 17. c4
a5 18. Qf5 Rfe8 19. b4 axb4 20. axb4 Qxb4 21. Rab1 Qc5 22. Rxb7 Qc8 23. Qxc8
Rxc8 24. Ra1 Ra8 {Thybo,J-Petersen,N (2053) Copenhagen 2010 0-1 (60)}) 10...
Qxc5 11. Qe2 d6 12. O-O O-O 13. Kh1 e5 14. Bc4 Be6 15. Bb3 Rac8 16. f4 exf4 17.
Rxf4 Qe5 18. Raf1 Rc5 19. Qd3 Rfc8 20. Nd5 Bxd5 21. Bxd5 Qxb2 22. Bb3 Qe5 23.
Qg3 R5c7 24. Qh3 Re8 25. Qf3 b5 26. g4 h6 27. h4 a5 28. g5 hxg5 29. hxg5 Qxg5
30. Rg1 Qh6+ 31. Kg2 a4 32. Bd5 Rxc2+ 33. Kf1 Rc1+ 34. Kf2 Qh2+ 35. Rg2 Rc2+
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Silva, Erick"]
[Black "Fogaca, Vinicius"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 e6 4. e4 d6 5. d4 cxd4 6. Nxd4 a6 7. Be2 b6 8. O-O
Bb7 9. Bf3 ({RR} 9. f4 Nbd7 10. Bf3 Qc7 11. Be3 Be7 12. Rc1 Nc5 13. Qc2 Rc8 14.
f5 e5 15. Nde2 Qb8 16. b4 Ncd7 17. Qd3 O-O 18. g4 h6 19. Ng3 Nh7 20. Rc2 Bg5
21. Bf2 Rfd8 22. Rd1 Nhf6 23. Nge2 h5 {Sjugirov,S (2703)-Martinez Alcantara,J 
(2611) chess.com INT 2023 0-1 (35)}) ({RR} 9. f3 Nbd7 10. Be3 Rg8 11. Qd2 h6
12. a4 g5 13. a5 bxa5 14. Nb3 Rb8 15. Nxa5 Ba8 16. b4 Rxb4 17. Nb5 d5 18. Nd4
Bc5 19. cxd5 exd5 20. Rfc1 Qb6 21. Rxc5 Nxc5 22. Nc2 Rb1+ 23. Rxb1 Qxb1+ {
Mendez Fortes,E (2231)-Kamsky,G (2641) chess.com INT 2023 0-1 (42)}) 9... Qc7
10. Be3 Nbd7 11. Qa4 Be7 $146 ({RR} 11... Rc8 12. Rfc1 Be7 13. b4 O-O 14. Qd1
Qb8 15. b5 Ne5 16. bxa6 Bxa6 17. Ndb5 Nxf3+ 18. gxf3 Rxc4 19. Rcb1 d5 20. exd5
Bxb5 21. Nxb5 Nxd5 22. Nd4 Rfc8 23. Rb3 Qe5 24. Ne2 Nxe3 25. Rxe3 Qg5+ 26. Kh1
{Clark,I (2085)-Brustkern,J (2298) St Helier 1999 0-1 (34)}) 12. e5 dxe5 13.
Bxb7 Qxb7 14. Nc6 b5 15. cxb5 axb5 16. Qxb5 Qxb5 17. Nxb5 Rc8 18. Rfc1 Nd5 19.
Bd2 O-O 20. Nxe7+ Nxe7 21. Bb4 Rxc1+ 22. Rxc1 Rc8 23. Rxc8+ Nxc8 24. a4 Ncb6
25. a5 Nd5 26. Bd6 f6 27. Nc7 Kf7 28. a6 N7b6 29. b4 Nxc7 30. Bxc7 Na8 31. Ba5
Ke7 32. b5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Silva, Joao Fernandes"]
[Black "Arruda Filho, Ivo"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "116"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. Be2 Nf6 6. O-O e6 7. Ne5 ({RR} 7.
b3 Be7 8. Bb2 O-O 9. Nbd2 Nc6 10. Ne5 Bxe2 11. Qxe2 Rc8 12. c3 Re8 13. f4 Bd6
14. Qd3 Nd7 15. Rae1 {1/2-1/2 (15) Berezina,I (2252)-Borosova,Z (2234) Beijing
2008}) ({RR} 7. h3 Bxf3 8. Bxf3 Bd6 9. c3 O-O 10. Qb3 Qc7 11. Re1 Re8 12. Na3
a6 13. Be3 Nbd7 14. Rac1 Rab8 15. c4 Qa5 16. cxd5 exd5 17. Nb1 Ne4 18. Bxe4
Rxe4 19. a3 Nf6 20. Nc3 Re6 21. Red1 Ne4 {Morvrange,C (1461)-Roustan,V Tornelo
INT 2021 1-0 (53)}) 7... Bxe2 8. Qxe2 Nc6 9. Be3 $146 ({RR} 9. Nf3 Qc7 10. c3
Bd6 11. Bg5 Ne4 12. Bh4 O-O 13. Nbd2 f5 14. c4 Nxd2 15. Qxd2 dxc4 16. Bg3 Rad8
17. Bxd6 Qxd6 18. Qe2 Rfe8 19. Rad1 Qd5 20. Rfe1 h6 21. h3 b5 22. Ne5 Nxe5 23.
Qxe5 Qxe5 {Backory,S (1820)-Phillips,R (2186) Mauritius 2017 0-1 (39)}) 9...
Bd6 10. f4 Qb6 11. c3 O-O 12. g4 Rad8 13. b3 Ne4 14. Qc2 Bxe5 15. fxe5 Nxe5 16.
h3 Rc8 17. a4 Nd7 18. Rf3 Qc7 19. Bf2 Ndf6 20. Be1 Ng5 21. Rg3 Nfe4 22. Rd3 Qf4
23. Qe2 f5 24. h4 Nf7 25. gxf5 exf5 26. Rf3 Qg4+ 27. Kf1 Nfd6 28. Ra2 Rce8 29.
Qg2 Qh5 30. Nd2 Rf6 31. Nxe4 Nxe4 32. c4 Rg6 33. Qh3 Ng5 34. hxg5 Qxg5 35. Qh1
Rge6 36. Bg3 Qc1+ 37. Kg2 Qg5 38. Qh4 Re2+ 39. Rf2 Rxf2+ 40. Rxf2 Qe3 41. Rf3
Qe2+ 42. Bf2 dxc4 43. bxc4 Qxc4 44. Rxf5 Qxa4 45. d5 Qd7 46. Qg4 Qd8 47. Bh4
Qb6 48. Bf6 g6 49. Re5 Qb2+ 50. Kh3 Rxe5 51. Qc8+ Kf7 52. Bxe5 Qxe5 53. Qxb7+
Qe7 54. Qb3 h5 55. d6+ Qe6+ 56. Qxe6+ Kxe6 57. Kh4 Kxd6 58. Kg5 a5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Silva, Kaua Marques"]
[Black "Supi, Luis Paulo"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4
Be7 9. g4 ({RR} 9. fxe5 dxe5 10. Qxd8+ Bxd8 11. Nc5 Nc6 12. Bg5 Nd4 13. Bd3 Bc8
14. Nb3 Ne6 15. Be3 Bd7 16. Nd5 Bc6 17. Nxf6+ Bxf6 18. Na5 Rc8 19. g3 Bd8 20.
Nxc6 Rxc6 21. c3 Bb6 22. Bd2 Ke7 23. Rd1 Rd8 {Onischuk,V (2547)-Areshchenko,A 
(2691) St Petersburg 2012 1/2-1/2 (41)}) 9... h6 ({RR} 9... O-O 10. g5 Ne8 11.
h4 b5 12. f5 Bxb3 13. axb3 f6 14. Qd5+ Kh8 15. Qxa8 fxg5 16. hxg5 Bxg5 17. Bxg5
Qxg5 18. Qxb8 Qg3+ 19. Kd1 Qe3 20. Rxa6 Qd4+ 21. Kc1 b4 22. Nd5 Qxe4 23. Rd1
Qxe2 24. Ra7 {Guevara Ruiz,M (1781)-Navarro Barrios,E Panama City PAN 2023 1-0
(32)}) 10. g5 $146 ({RR} 10. f5 Bxb3 11. axb3 d5 12. exd5 Bb4 13. O-O O-O 14.
Bf3 Bxc3 15. bxc3 e4 16. Bg2 Nbd7 17. g5 hxg5 18. Bxg5 Rc8 19. Qd4 Qc7 20. c4
b5 21. Rxa6 bxc4 22. Rc6 Qe5 23. Qxc4 Rce8 24. Bf4 Qxf5 {Severiukhina,Z (2267)
-Gunina,V (2361) Dubna 2007 0-1 (42)}) 10... hxg5 11. f5 Bd7 12. Bxg5 Bc6 13.
Qd3 Nxe4 14. Nxe4 Bxg5 15. Nxd6+ Kf8 16. Ne4 Bh4+ 17. Kf1 Nd7 18. Nbd2 Qb6 19.
Qa3+ Kg8 20. Rg1 Nf6 21. Ng3 Bg5 22. Nc4 Qd4 23. Rg2 b5 24. Nd6 Nd5 25. c3 Ne3+
26. Kg1 Qh4 27. Nh5 Nxg2 28. Qb3 Be3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Soares, Joao Carlos"]
[Black "Matsuura, Everaldo"]
[Result "1/2-1/2"]
[ECO "A61"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4
Bg7 9. e3 O-O 10. h3 Qe7 11. Nd2 Nbd7 12. Be2 Ne5 ({RR} 12... Ne8 13. O-O Rb8
14. Nc4 f5 15. Bh2 Ne5 16. Qb3 Nxc4 17. Bxc4 b6 18. Rae1 Nc7 19. Qa3 {1/2-1/2 
(19) Dao,T (2560)-Ghaem Maghami,E (2584) Turin 2006}) 13. O-O Nfd7 14. e4 ({RR
} 14. Bh2 f5 15. Re1 Nf6 16. Qb3 Re8 17. Bf1 Qc7 18. a5 Bd7 19. Rec1 Kh8 20.
Qb6 Qxb6 21. axb6 Rad8 22. Nb3 Bc8 23. Na5 Rd7 24. Rab1 Rf7 25. b4 Nfd7 26. b5
axb5 27. Nxb5 Rf6 28. Na7 g5 {Cuenca Jimenez,J (2538)-Amato,A (2286) Pula CRO
2023 1-0 (45)}) 14... f5 $146 ({RR} 14... Rb8 15. Re1 Nb6 16. Bf1 Na8 17. Bg3
g5 18. Nc4 Bd7 19. Ne3 Nc7 20. Nf5 Bxf5 21. exf5 Qd7 22. Ne4 f6 23. Bxe5 fxe5
24. g4 h6 25. Qd2 Ne8 26. b4 cxb4 27. Qxb4 Rc8 28. Rab1 Rc7 29. Qa3 {Nielsen,P
(2658)-Klitgaard,T (2176) Horsens 2013 1-0 (45)}) 15. exf5 gxf5 16. Re1 Ng6 17.
Bh5 Nde5 18. Bxg6 hxg6 19. Nc4 Rb8 20. a5 Bd7 21. Kh1 Rfe8 22. Bxe5 dxe5 23.
Nxe5 Bxe5 24. f4 Qd6 25. fxe5 Rxe5 26. Rxe5 Qxe5 27. Qg1 Qd6 28. Re1 Re8 29.
Re3 Kg7 30. Rxe8 Bxe8 31. Qe3 Bf7 32. Kg1 Kf6 33. h4 Bxd5 34. Qg5+ Kf7 35. Qd2
Ke6 36. Qg5 Kd7 37. Nxd5 Qxd5 38. Qxg6 Qd4+ 39. Kf1 Qc4+ 40. Kg1 Qd4+ 41. Kf1
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Sopko, Cassio Roberto"]
[Black "Avelar, Flavio Henrique"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. g3 d5 3. Bg2 Bf5 4. Nf3 e6 5. O-O Be7 6. b3 O-O 7. c4 c6 8. Nc3 h6
9. Bb2 Nbd7 10. Rc1 ({RR} 10. Re1 Ne4 {1/2-1/2 (12) Kempinski,R (2586)
-Markowski,T (2605) Warsaw 2004}) 10... Re8 ({RR} 10... Ne4 11. e3 Ndf6 12. Ne2
a5 13. Ne5 a4 14. bxa4 Qb6 15. Ba1 Qa6 16. f3 Nd6 17. c5 Nc4 18. Nxc4 dxc4 19.
e4 Bh7 20. Qc2 Qxa4 21. Qxa4 Rxa4 22. Nc3 Ra3 23. Rb1 Ra7 24. f4 Rd8 25. Rb4 {
Bai,C (1808)-Cao,Q (1723) Hefei CHN 2023 0-1}) 11. Nd2 Rb8 $146 ({RR} 11... Bg6
12. Re1 Rc8 13. h3 Nh7 14. e4 dxe4 15. Ndxe4 Nhf6 16. d5 cxd5 17. cxd5 exd5 18.
Nxf6+ Nxf6 19. Nxd5 Rxc1 20. Bxc1 Nxd5 21. Qxd5 Bb4 22. Rxe8+ Qxe8 23. Qxb7 Bc5
24. Qa8 Kf8 25. Bb2 f6 26. a3 {Khaustov,V (2219)-Latyev,V (1932) Berdsk 2010
1-0 (63)}) 12. h3 Bf8 13. e4 dxe4 14. Ndxe4 Nxe4 15. Nxe4 Nf6 16. Qe2 Nxe4 17.
Bxe4 Bxh3 18. Rfd1 Qg5 19. Rd3 Bg4 20. Qe1 Bf5 21. f4 Qg6 22. Re3 Bxe4 23. Rxe4
Rbd8 24. Rd1 Bb4 25. Qe3 b6 26. Qf3 Bf8 27. Rde1 h5 28. f5 Qh7 29. fxe6 fxe6
30. R1e2 Qg6 31. Rh4 Bd6 32. Kg2 Rf8 33. Qxh5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Souza, Rafael Cabral"]
[Black "Lima da Silva, Fabio"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. Bc4 Bd7 10. h4 h5 11. O-O-O Rc8 12. Bb3 Na5 13. Bg5 Nc4 14. Qe2 Qc7 15.
Bxf6 Bxf6 16. Nd5 Qc5 17. Nxf6+ exf6 18. Bxc4 Qxc4 19. Qxc4 Rxc4 20. Rd2 Rfc8
21. Rhd1 Kg7 $146 ({RR} 21... Kf8 22. Kb1 Ke7 23. Ne2 Be6 24. b3 R4c5 25. c4
R8c6 26. Nd4 Rb6 27. Nb5 Rcc6 28. Ka1 a6 29. Nc3 Rc8 30. f4 Rbc6 31. f5 gxf5
32. exf5 Bxf5 33. Nd5+ Kf8 34. Nxf6 Rd8 35. Rd5 Be6 36. Rxh5 {Rodrigues,E 
(2200)-Dias,J (1879) Sao Jose dos Campos 2012 1-0 (61)}) 22. c3 b5 23. Nc2 a5
24. Rxd6 Be6 25. Nd4 b4 26. Nxe6+ fxe6 27. Rxe6 bxc3 28. Rd7+ Kh6 29. b3 R4c6
30. Ree7 Rh8 31. Kc2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Sovinski, Marcos Roberto"]
[Black "Rezende, Uelton"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. O-O d6 6. b4 ({RR} 6. h3 h6 7. d4
exd4 8. cxd4 Bb6 9. Nc3 O-O 10. Re1 Ne7 11. e5 dxe5 12. dxe5 Qxd1 13. Rxd1 Nh7
14. a4 a6 15. a5 Bc5 16. Bb3 Rb8 17. Na4 Ba7 18. Be3 Bxe3 19. fxe3 Re8 20. Nd4
Ng5 {Ethereal TCEC S20 DivP (3482)-Stoofvlees II a16 (3513) tcec-chess.com INT
2021 1/2-1/2 (53)}) ({RR} 6. Re1 Ng4 7. Re2 O-O 8. h3 Nf6 9. d4 Bb6 10. Bg5 h6
11. Bh4 g5 12. Nxg5 hxg5 13. Bxg5 exd4 14. Qd3 Ne5 15. Qg3 Ng6 16. Bh6 Kh7 17.
Bxf8 Qxf8 18. Nd2 dxc3 19. Qxc3 Qg7 20. g3 Nf4 {Jakubowski,K (2459)-Ter
Sahakyan,S (2625) chess.com INT 2022 0-1 (34)}) 6... Bb6 7. Re1 $146 ({RR} 7.
a4 a5 8. b5 Ne7 9. d4 exd4 10. e5 dxe5 11. Nxe5 O-O 12. Qb3 Qe8 13. Ba3 Ne4 14.
Re1 Bf5 15. Rxe4 Bxe4 16. Nd2 Bg6 17. Re1 Qd8 18. Ndf3 Nf5 19. Bxf8 Qxf8 20.
Nxg6 hxg6 21. Ne5 Nd6 {Shumov,I-Von Jaenisch,C St Petersburg 1854 1-0}) 7...
O-O 8. h3 Be6 9. Bb3 Qd7 10. d4 exd4 11. cxd4 Bxb3 12. axb3 Nxb4 13. Bg5 Qc6
14. Na3 Nxe4 15. Be3 f5 16. Nc4 Nd5 17. Nxb6 Qxb6 18. Qd3 h6 19. g4 Nb4 20.
Qc4+ d5 21. Qc1 Nd3 22. Qd1 Nxe1 23. Nxe1 fxg4 24. Qxg4 Rf6 25. Nd3 Rg6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Teixeira, Jonas"]
[Black "Paludo, Nicolas"]
[Result "1/2-1/2"]
[ECO "C65"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. d3 O-O 6. c3 a6 ({RR} 6... Re8 7.
Re1 d6 8. h3 a6 9. Ba4 b5 10. Bb3 Qe7 11. Nbd2 Rb8 12. Nf1 Bd7 13. Ng3 a5 14.
Bd2 a4 15. Bc2 Qd8 16. Qc1 Qc8 17. Kh2 Ra8 18. Rf1 Qa6 19. Nh4 Rad8 20. Nhf5 g6
21. Bh6 {Riquelme,A (1695)-Orsini,S Florianópolis - Santa Catari 2023 1-0}) 7.
Ba4 b5 8. Bc2 h6 $146 ({RR} 8... d6) 9. Nbd2 d6 10. h3 Be6 11. Re1 Ne7 12. Nf1
Ng6 13. Ng3 Qc8 14. Nf5 Kh7 15. Qe2 Ba7 16. d4 Re8 17. dxe5 Nxe5 18. Nxe5 dxe5
19. Qf3 Bxf5 20. Qxf5+ Qxf5 21. exf5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Toth, Peter"]
[Black "Correa, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "A27"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Bxd7 ({
RR} 7... Qxd7 8. Bxg2 Qxd1+ 9. Kxd1 c6 10. Be3 Nf6 11. h3 Be6 12. b3 Nd7 13.
Kc2 Bc5 14. Bxc5 Nxc5 15. f4 Ke7 16. h4 Rhd8 17. Rad1 Rxd1 18. Rxd1 a5 19. Rd4
Rf8 20. a3 Ra8 21. e4 fxe4 22. Bxe4 {Le,Q (2718)-Ghaem Maghami,E (2551)
Tashkent 2016 1/2-1/2}) 8. Bxg2 c6 ({RR} 8... Qh4 9. Qb3 Bc5 10. e3 Rb8 11. Bd2
Nf6 12. Nd5 O-O 13. O-O-O Qxf2 14. Rhg1 Ne4 15. Bxe4 fxe4 16. Bc3 Rf7 17. Nf6+
Rxf6 18. Bxf6 Qxe3+ 19. Kb1 Qxb3 20. Rxg7+ Kf8 21. axb3 Bf5 22. Rf1 {1-0 (22)
Ribeiro,M (2115)-Bueno,A (2135) chess.com INT 2023}) 9. Qd4 $146 ({RR} 9. Bf4
Qh4 10. e3 Bc5 11. Qb3 O-O-O 12. Na4 Qe7 13. Nxc5 Qxc5 14. O-O-O Nf6 15. Bd6
Qa5 16. Be7 Rde8 17. Bxf6 gxf6 18. Rxd7 Kxd7 19. Qxb7+ Ke6 20. Bxc6 Rd8 21.
Bd5+ Rxd5 22. Qxd5+ Qxd5 23. cxd5+ Kxd5 {Kliuner,V-Ivanov,A (2360) St
Petersburg 1992 1-0 (56)}) 9... Qf6 10. Be3 Be6 11. O-O-O Bb4 12. a3 Bxc3 13.
bxc3 Qxd4 14. Bxd4 Kf7 15. Bf3 Nf6 16. c5 Rad8 17. Rhg1 g6 18. Kc2 Rhe8 19. h4
h5 20. Rd2 Bd5 21. Bxd5+ Rxd5 22. f3 Rd7 23. e3 Rde7 24. Rdg2 Rg8 25. Kd3 Nd5
26. Rg5 Nc7 27. e4 f4 28. Be5 Ne6 29. Bd6 Nxg5 30. Rxg5 Rd8 31. e5 Re6 32. a4
b6 33. Kc4 Rd7 34. Rg1 Rb7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Trevisan, Rodrigo"]
[Black "Valcarcel, Victor I"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nf3 g6 3. Nc3 Bg7 4. e3 Nf6 5. Be2 O-O 6. O-O d5 7. d4 cxd4 8. Nxd4
Nc6 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qc5 12. Nxc6 bxc6 13. Qa4 Rb8 14. Rb1
Bf5 15. e4 Rb4 16. Qa3 Be6 17. Be3 Bd4 18. Bxd4 $146 ({RR} 18. Rbc1 Qb6 19.
Rxc6 Qxc6 20. Qxb4 Bxe3 21. fxe3 Rc8 22. a3 Qb6 23. Qxb6 axb6 24. h3 h5 25. Rf2
Rc1+ 26. Kh2 h4 27. Rd2 Rb1 28. g3 hxg3+ 29. Kxg3 Kg7 30. h4 Bc4 31. e5 b5 32.
Bd1 e6 {Cyborowski,L (2370)-Ehrenfeucht,W (2290) Poraj 1997 1/2-1/2 (41)})
18... Qxd4 19. Rfd1 Qb6 20. b3 a5 21. Rbc1 a4 22. Rxc6 Qb5 23. Rdc1 axb3 24.
axb3 Rxb3 25. Qc5 Ra8 26. h3 Qxc5 27. R6xc5 Ra2 28. Bd1 Rbb2 29. R5c2 Rxc2 30.
Bxc2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Uczai, Joao Pedro"]
[Black "di Berardino, Diego"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 g6 3. Bb2 Nf6 4. e5 Nd5 5. Qf3 ({RR} 5. Nc3 Nxc3 6. dxc3 Bg7 7.
Qd5 Nc6 8. Nf3 b6 9. O-O-O Qc7 10. Bd3 e6 11. Qe4 Bb7 12. c4 Nd4 13. Nxd4 Bxe4
14. Nb5 Qb8 15. Bxe4 O-O 16. Nd6 a6 17. Bxa8 Qxa8 18. f3 b5 19. Rd3 f6 {
Vallejo Pons,F (2710)-Grischuk,A (2745) Krasnogorsk RUS 2023 0-1 (50)}) 5...
Nb4 6. Na3 Bg7 7. e6 ({RR} 7. h4 O-O 8. h5 d6 9. Qg3 N8c6 10. hxg6 fxg6 11.
O-O-O Nxe5 12. d4 Ng4 13. Nh3 cxd4 14. Bxd4 Bh6+ 15. Kb2 Bf5 16. Bc3 a5 17. Nb5
Rc8 18. Bc4+ d5 19. Bxb4 axb4 20. Rxd5 Rxc4 21. bxc4 Qc8 {Blazeka,M (2334)
-Colev,I (2045) Veli Losinj CRO 2023 0-1 (79)}) 7... f6 $146 ({RR} 7... O-O 8.
Bxg7 Kxg7 9. Qc3+ f6 10. Qxc5 N8a6 11. Bxa6 Nxa6 12. Qe3 d5 13. Nb5 Qb6 14. Nd4
Nc5 15. Nge2 Nxe6 16. f4 Re8 17. O-O Nxd4 18. Nxd4 e5 19. Rae1 Bg4 20. fxe5
fxe5 21. Nf3 Qxe3+ 22. Rxe3 {Venkatesh,M (2520)-Akash,G (2404) Chennai 2012 1/
2-1/2 (31)}) 8. exd7+ Qxd7 9. Bb5 N8c6 10. Ne2 a6 11. Bxc6 Qxc6 12. Qxc6+ Nxc6
13. Nc4 Be6 14. Nb6 Rd8 15. O-O-O Bh6 16. Rhe1 Kf7 17. Na4 c4 18. Nc5 Bd5 19.
f3 cxb3 20. axb3 Nb4 21. Nc3 Bc6 22. Re2 e5 23. Kb1 Nd5 24. Nxd5 Rxd5 25. Ne4
Rhd8 26. d3 a5 27. Ba3 b5 28. Nc3 R5d7 29. Bc5 Rc8 30. d4 b4 31. Na4 Bxa4 32.
bxa4 Rxc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Vargas, Roberto Carlos"]
[Black "Medeiros, Fabricio"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "30"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. c4 ({RR} 4. Bb5 e6 5. c4 Bb4+ 6. Nc3 Nge7 7.
c5 O-O 8. Nf3 Bg4 9. Be2 Bxf3 10. Bxf3 Ng6 11. Bg3 Nh4 12. Bxh4 Bxc3+ 13. bxc3
Qxh4 14. Qa4 Ne5 15. Be2 b6 16. O-O bxc5 17. Qa5 cxd4 18. cxd4 Ng4 {Sedlak,N 
(2519)-Kostic,V (2433) Zlatibor 2006 1-0 (129)}) 4... Qd7 $146 ({RR} 4... e6 5.
c5 e5 6. Bg3 exd4 7. exd4 g6 8. Bb5 Bg7 9. Ne2 Nge7 10. Nbc3 O-O 11. O-O Bg4
12. f3 Be6 13. Bf2 Nf5 14. Bxc6 bxc6 15. Ng3 Rb8 16. Nxf5 Bxf5 17. Qd2 Qd7 18.
Rfe1 Rfe8 19. Rxe8+ {Kovacevic,S-Landenbergue,C Geneve 1985 1-0 (42)}) ({RR} 
4... e6 5. Nc3 Nb4 6. Rc1 g5 7. Bg3 a6 8. a3 Nc6 9. cxd5 exd5 10. Qb3 Na5 11.
Qxd5 Qxd5 12. Nxd5 Kd8 13. Bxc7+ Kd7 14. Nb6+ Ke8 15. Nxa8 Nb3 16. Rc3 Be6 17.
Nf3 Ne7 18. Nxg5 Bd5 19. Nb6 {Nguyen Thi Minh Oanh (1835)-Miszler,L (2228)
chess.com INT 2022 1-0}) 5. Nc3 O-O-O 6. cxd5 Nb4 7. e4 Bxe4 8. Nxe4 Nxd5 9.
Nc5 Qc6 10. Bg3 e5 11. Qa4 Qb6 12. O-O-O Bxc5 13. dxc5 Qxc5+ 14. Qc2 Qxc2+ 15.
Kxc2 Nb4+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Vicentin, Marcos"]
[Black "Campos, Otavio"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 a6 6. Bxc6 bxc6 7. d3 Nf6 8. O-O
Rb8 9. Qe1 O-O 10. Qh4 d6 11. Rb1 Qb6 $146 ({RR} 11... e6 12. f5 exf5 13. Bg5
h6 14. Bxh6 Ng4 15. Bg5 f6 16. Bd2 Ne5 17. exf5 Nxf3+ 18. Rxf3 Bxf5 19. Qc4+ d5
20. Qxc5 Qd7 21. b3 Rfe8 22. Rbf1 Bg4 23. R3f2 f5 24. Na4 Rb5 25. Qa3 Bd4 26.
h3 {Duran,R (2098)-Bufi Pujadas,A (1902) Barbera del Valles 2011 0-1 (38)}) 12.
Kh1 Re8 13. Bd2 a5 14. b3 Bd7 15. Na4 Qa7 16. c4 Rb7 17. h3 Nh5 18. g4 Bf6 19.
Qe1 Ng7 20. e5 dxe5 21. fxe5 Bxe5 22. Qxe5 Ne6 23. Rbe1 f6 24. Qc3 Qb8 25. Kg2
Kf7 26. Rxe6 Bxe6 27. Ng5+ Kg8 28. Nxe6 Qc8 29. Re1 Rd7 30. Naxc5 Ra7 31. a4
Kf7 32. d4 h5 33. g5 h4 34. Bf4 fxg5 35. Bxg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Zakowicz, Rafael"]
[Black "Aranha Filho, Alvaro"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "132"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. a4 g6 6. d4 ({RR} 6. c3 Nf6 7. Re1
Bg7 8. h3 O-O 9. d4 cxd4 10. cxd4 d5 11. e5 Ne4 12. Nbd2 Nxd2 13. Bxd2 Rc8 14.
Qb3 e6 15. a5 b6 16. Qa4 a6 17. Bxc6 Bxc6 18. Qa3 Bb5 19. Bg5 Qc7 20. axb6 Qxb6
{Yu Yangyi (2759)-Xu,X (2581) Tianjin CHN 2018 0-1 (63)}) ({RR} 6. c3 Bg7 7. d4
cxd4 8. cxd4 Nf6 9. Nc3 O-O 10. h3 a6 11. Bc4 Rc8 12. Bg5 Na5 13. Bd3 h6 14.
Bh4 g5 15. Bg3 Nc4 16. Qe2 b5 17. axb5 axb5 18. e5 Nh5 19. Bh2 dxe5 20. dxe5
Bc6 {Starozhilov,L (2293)-Caetano,R (2189) chess.com INT 2022 1-0}) 6... cxd4
7. Bxc6 $146 ({RR} 7. Nxd4 Nf6 8. Nc3 Bg7 9. Be3 a6 10. Be2 O-O 11. Nb3 Rc8 12.
a5 Ne5 13. Bb6 Qe8 14. Nd2 Be6 15. Re1 Qc6 16. Nf3 Nc4 17. Nd4 Qd7 18. Nxe6
Qxe6 19. Bd4 Nxb2 20. Qb1 Nc4 21. Qxb7 Ra8 {Kehres,T (1833)-Herma,G (1520) Bad
Zwesten 2002 1-0 (31)}) 7... Bxc6 8. Nxd4 Bg7 9. Nc3 Nf6 10. Re1 O-O 11. Nxc6
bxc6 12. Qd3 Nd7 13. Qh3 Rb8 14. b3 Qa5 15. Bd2 Qc7 16. Rad1 Nc5 17. Bh6 e5 18.
Be3 Ne6 19. Qg3 f5 20. exf5 gxf5 21. Bh6 Rf6 22. Bxg7 Nxg7 23. Qh4 Rg6 24. Qc4+
Ne6 25. Qd3 Nf4 26. Qc4+ Kh8 27. g3 Qb6 28. Qf1 Qc5 29. Re3 d5 30. Ne2 Nxe2+
31. Rxe2 e4 32. Qh3 Rf8 33. Kh1 Qc3 34. Qh5 Qf6 35. Red2 f4 36. c4 Rh6 37. Qg4
e3 38. fxe3 fxe3 39. Re2 Qe5 40. Qd4 Re6 41. Qxe5+ Rxe5 42. cxd5 cxd5 43. Rd3
Rfe8 44. Kg2 Kg7 45. Kf3 Rf8+ 46. Kg2 Rfe8 47. Kf3 Rf8+ 48. Kg2 Rfe8 49. b4
R8e7 50. b5 Re4 51. a5 d4 52. b6 axb6 53. axb6 Kf6 54. Kf3 Ke5 55. Rb3 Rf7+ 56.
Kg2 Rb7 57. Rb5+ Kd6 58. Kf3 Re5 59. Rxe5 Kxe5 60. Rb2 Rf7+ 61. Kg4 d3 62. b7
Rxb7 63. Rxb7 d2 64. Re7+ Kf6 65. Rxe3 d1=Q+ 66. Rf3+ Ke5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "Zanette, Edgard"]
[Black "Teske, Luiz Fernando"]
[Result "1-0"]
[ECO "B54"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 d4 8. c3
Nc6 9. Bb5 h6 10. Bxf6 Qxf6 11. cxd4 Bb4+ 12. Nc3 O-O 13. Bxc6 bxc6 14. dxe5
Qxe5 15. Qd4 Qe7 16. O-O Rd8 17. Qe3 Be6 18. Kh1 Bxb3 ({RR} 18... Rab8 19. Na4
Bxb3 20. Qxb3 Bd6 21. Qe3 f5 22. Rae1 Qh4 23. f4 fxe4 24. g3 Qh3 25. Qxe4 Kh8
26. Qe6 Qh5 27. b3 Bc7 28. Qe2 Qh3 29. Rd1 Re8 30. Qf3 Re7 31. Rfe1 Rf7 32.
Qxc6 Rbf8 33. Re8 {Vashchilov,S (2096)-Strizhnev,I (1946) Orsha BLR 2023 1-0 
(43)}) 19. axb3 a5 $146 ({RR} 19... Bc5 20. Qe2 Rab8 21. Na4 Bd4 22. Qc4 Qe6
23. Rfd1 Qxc4 24. bxc4 Bf6 25. g3 Rxd1+ 26. Rxd1 Rb4 27. b3 Rxb3 28. Rd6 Rb4
29. Nc5 Be7 30. Rxc6 Rxc4 31. Rc8+ Kh7 {0-1 (31) Sattarov,B (2459)-Shevchenko,
K (2592) chess.com INT 2020}) 20. Rfd1 Rxd1+ 21. Rxd1 Rd8 22. Rd3 Rxd3 23. Qxd3
Qg5 24. Ne2 Qd2 25. Qxd2 Bxd2 26. Kg1 Kf8 27. Kf2 Ke7 28. Nd4 Kd7 29. Nf5 g6
30. Ne3 Bb4 31. Ke2 Kd6 32. f4 h5 33. Kd3 Ke6 34. Nc4 f6 35. g3 g5 36. Kd4 gxf4
37. gxf4 Ke7 38. h3 Ke6 39. f5+ Ke7 40. e5 fxe5+ 41. Kxe5 Be1 42. f6+ Kf7 43.
Nd6+ Kf8 44. Ke6 Bb4 45. Nc4 Be1 46. Ne5 Bb4 47. Nxc6 Be1 48. Ne5 Bb4 49. Ng6+
Ke8 50. f7+ Kd8 51. f8=Q+ Bxf8 52. Nxf8 Kc7 53. Kd5 Kb6 54. Kc4 Kc6 55. Ng6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "da Cruz, Emerson"]
[Black "Urquiza, Marcello"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 e6 5. Nc3 Nf6 6. Nf3 Nc6 7. Be3 Be7 8. Rc1
({RR} 8. Bd3 O-O 9. O-O b6 10. Ne5 Bb7 11. f4 Nb4 12. Be2 dxc4 13. Bxc4 Nbd5
14. Bd2 Rc8 15. Bb3 Nxc3 16. Bxc3 Nd5 17. Qe1 Nxc3 18. bxc3 Bf6 19. Qe3 Bd5 20.
h3 g6 21. Rad1 b5 22. Qg3 Bg7 {Aliaga Fernandez,I (2167)-Goriatchkin,J (2318)
chess.com INT 2022 0-1 (57)}) 8... O-O $146 ({RR} 8... dxc4 9. Bxc4 O-O 10. O-O
Nb4 11. Qb3 b6 12. a3 Nbd5 13. Bxd5 Nxd5 14. Nxd5 Qxd5 15. Qxd5 exd5 16. Bf4
Ba6 17. Rfe1 Bf6 18. Be5 Bxe5 19. Rxe5 Rfc8 20. Rce1 Kf8 21. Rxd5 Bb7 22. Rd7
Bc6 23. Rde7 {Kantardzhiev,M-Ivanov,P Sofia 1945 1/2-1/2}) 9. cxd5 Nxd5 10. Bd3
Nxe3 11. fxe3 Bh4+ 12. g3 Bg5 13. Nxg5 Qxg5 14. Qf3 Nxd4 15. Qe4 Nf5 16. Ke2 g6
17. Qf3 e5 18. Ne4 Qe7 19. Rhd1 Kg7 20. Rc2 Nh6 21. Nf2 Be6 22. Kf1 Rfc8 23.
Rdc1 Rxc2 24. Rxc2 Bxa2 25. Qe4 a6 26. Qa4 Bd5 27. Be4 Bxe4 28. Qxe4 Rd8 29.
Nd3 f6 30. Nb4 Nf5 31. Nd5 Rxd5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "da Rosa, Henrique"]
[Black "Oliveira, Tobias Luiz"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 g6 6. Bg2 Nxd4 7. Qxd4 Bg7 8.
O-O O-O 9. Nc3 d6 10. Qd3 Rb8 11. Bd2 a6 12. a4 Qc7 $146 ({RR} 12... Bd7 13. e4
Bc6 14. b4 a5 15. b5 Bd7 16. f4 Rc8 17. Rac1 Be6 {1/2-1/2 (17) Marangunic,
S-Parma,B Novi Travnik 1969}) ({RR} 12... Be6 13. b3 Qb6 14. Rab1 Rfc8 15. e4
Qc5 16. h3 Nd7 17. Rfc1 Qd4 18. Qe2 Nc5 19. Nd5 Bxd5 20. exd5 Qd3 21. Bf1 Qxe2
22. Bxe2 b6 23. Kg2 f5 24. Be3 Kf7 25. g4 Be5 26. f4 Bf6 27. Kf3 {Vachier
Lagrave,M (2780)-Puranik,A (2536) Caleta ENG 2019 1/2-1/2 (58)}) ({RR} 12...
Bd7 13. h3 Bc6 14. e4 Nd7 15. b3 Nc5 16. Qc2 b5 17. axb5 axb5 18. b4 Ne6 19.
cxb5 Bxb5 20. Nxb5 Bxa1 21. Rxa1 Rxb5 22. Bf1 Rb8 23. Bc4 Qb6 24. Ra6 Qb7 25.
Qd3 Ra8 26. Ra5 Rxa5 27. bxa5 {Mueer,S (2177)-Ismail,T (2018) Hoogeveen NED
2022 1-0 (105)}) 13. Rfc1 Nd7 14. Nd5 Qd8 15. Bc3 Nc5 16. Qc2 e5 17. b4 Nd7 18.
c5 dxc5 19. bxc5 Nxc5 20. Bb4 b6 21. Nxb6 Rxb6 22. Bxc5 Re8 23. Bxb6 Qxb6 24.
Qc6 Qd8 25. Rd1 Qe7 26. Rac1 Bh6 27. Rb1 Bf5 28. Rb7 Qe6 29. Bd5 Qxc6 30. Bxc6
Re6 31. Bd5 Rf6 32. Bc4 Be4 33. Ra7 Bc2 34. Rdd7 Be4 35. Rxf7 Rxf7 36. Rxf7 Bc2
37. Ra7+ Kf8 38. Rxh7 Bg7 39. a5 g5 40. Bd3 Bxd3 41. exd3 Kf7 42. h4 Kg6 43.
Rxg7+ Kxg7 44. hxg5 Kg6 45. f4 exf4 46. gxf4 Kf5 47. Kf2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "de Deus Filho, Joaquim"]
[Black "Pironti, Francisco"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. b3 d5 2. Bb2 c5 3. e3 e6 4. f4 Nf6 5. Nf3 Nc6 6. Bb5 Qb6 7. Bxc6+ ({RR} 7.
Qe2 a6 8. Bxc6+ Qxc6 9. Ne5 Qc7 10. d3 Bd6 11. Nd2 b6 12. Ndf3 Bb7 13. Ng5 Rf8
14. Ng4 Nxg4 15. Qxg4 d4 16. O-O h6 17. Ne4 O-O-O 18. Rae1 Be7 19. f5 exf5 20.
Qxf5+ Kb8 21. exd4 g6 {Georgiev,K (2510)-Botsari,A (2315) Katerini 1992 1-0 
(43)}) 7... Qxc6 8. Ne5 Qc7 9. d3 b5 $146 ({RR} 9... b6 10. Nd2 a5 11. Ndf3 Ra7
12. Ng5 Qd6 13. Qf3 h6 14. Qh3 hxg5 15. Qxh8 gxf4 16. exf4 d4 17. O-O Bb7 18.
Rae1 Nd5 19. Bc1 Nc3 20. f5 Bd5 21. fxe6 Bxe6 22. Bf4 Nd5 23. Nxf7 Qxf4 24.
Rxf4 {Panic,N (2407)-Veleski,R (2269) Budva 2009 1-0}) 10. a4 b4 11. Nd2 a5 12.
Ndf3 Bb7 13. Ng5 h6 14. Ngxf7 Rg8 15. O-O Be7 16. f5 exf5 17. Rxf5 Bc8 18. Rxf6
Bxf6 19. Qh5 Ke7 20. Nxh6 gxh6 21. Qf7+ Kd6 22. Qxg8 Bb7 23. Qg3 Ke6 24. Qg4+
Kd6 25. Qf4 Ke6 26. Rf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "do Nascimento, Maycon"]
[Black "Cardoso, Lucca"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d3 d6 5. Be3 ({RR} 5. g3 g6 6. Be3 Bg7 7. Qd2
Nd4 8. Bxd4 cxd4 9. Nb5 Ne7 10. Nbxd4 Nc6 11. Nxc6 bxc6 12. c3 Rb8 13. Qc2 f5
14. Nd2 O-O 15. Bg2 fxe4 16. Bxe4 d5 17. Bg2 Qb6 18. Nb3 a5 19. Rb1 a4 {
Bodrogi,M (2192)-Berczes,C (2383) Budapest 2009 0-1}) 5... g6 ({RR} 5... Nf6 6.
Be2 Be7 7. O-O d5 8. exd5 exd5 9. d4 c4 10. Ne5 O-O 11. b3 Qa5 12. Bd2 Bb4 13.
Nb1 Bxd2 14. Nxd2 Nxd4 15. Ndf3 Nxe2+ 16. Qxe2 Re8 17. Qe1 Qc7 18. Qc3 Be6 19.
Rfe1 Ne4 20. Qd4 {Al Belihy Saleh-Ayyad,M (2093) Riyadh KSA 2023 0-1 (34)}) 6.
d4 cxd4 7. Bxd4 $146 ({RR} 7. Nxd4 a6 8. Nxc6 bxc6 9. Bd4 e5 10. Be3 Be6 11.
Be2 Ne7 12. Bg4 f5 13. Bh3 Bg7 14. O-O Bc4 15. Re1 f4 16. Bd2 O-O 17. Bg4 Bf7
18. Bf3 h5 19. h3 Bf6 20. Na4 Kg7 21. Bb4 c5 {Winters,J-Braunlich,T (2184)
Oklahoma 2006 0-1 (40)}) 7... e5 8. Be3 Nf6 9. Bc4 Be7 10. h4 O-O 11. Ng5 Ng4
12. h5 Bxg5 13. hxg6 hxg6 14. Qe2 Bxe3 15. fxe3 Qg5 16. Nd5 Be6 17. g3 Kg7 18.
O-O-O Nd4 19. Qd3 Nf2 20. Nc7 Nxd3+ 21. Kd2 Nf2 22. c3 Bxc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "2"]
[White "dos Anjos, Avner Augusto"]
[Black "Rosa, Diego"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O c6 ({RR} 6... O-O 7.
d3 c6 8. Kh1 Qc7 9. a4 a5 10. Qe1 Nc5 11. fxe5 dxe5 12. Qg3 Nh5 13. Qxe5 Qxe5
14. Nxe5 Nf6 15. Be3 Ne6 16. Rad1 Bd6 17. Nf3 Ng4 18. Bg1 Bd7 19. d4 Rad8 20.
h3 Nh6 21. Bh2 {Grischuk,A (2720)-Hein,A (2247) Mainz 2005 1-0 (34)}) 7. Bb3
O-O 8. d4 $146 ({RR} 8. Kh1 Qc7 9. Qe1 a5 10. a4 Nc5 11. Ba2 Be6 12. d3 Bxa2
13. Rxa2 Na6 14. Ra1 Nb4 15. Qe2 Nd7 16. g4 exf4 17. Bxf4 Ne5 18. Nd4 g6 19.
Bh6 Rfe8 20. h3 Bf8 21. Qd2 Qe7 22. Bg5 Qd7 {Van Kessel,W (1845)-Colin,P (1942)
Lommel 2012 0-1 (58)}) ({RR} 8. fxe5 dxe5 9. d3 Nc5 10. Kh1 Nxb3 11. axb3 Bg4
12. h3 Bh5 13. Be3 Qc7 14. Qd2 b6 15. Bg5 Rad8 16. Nh4 Bg6 17. Nf5 Bxf5 18.
Rxf5 h6 19. Bxf6 Bxf6 20. Raf1 Bg5 21. Qf2 g6 22. Rf3 Kg7 {Geert Van
Hoorn-Kiproski,B (2300) Tornelo INT 2021 0-1 (65)}) 8... Qc7 9. fxe5 dxe5 10.
Kh1 b5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Bf4 Qc5 14. e5 Ng4 15. Qe2 Kh8 16. Ne4
Qb6 17. h3 c5 18. Bd5 Nxe5 19. Bxe5 Bb7 20. Qg4 f6 21. Bxb7 Qxb7 22. Bd6 Rae8
23. Nxc5 Qc6 24. Ne6 Rf7 25. Bg3 Bc5 26. Nxc5 Qxc5 27. Rf2 Rfe7 28. Rd2 Re4 29.
Qxe4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Abrantes, Tiago Garrido"]
[Black "Barbosa, Evandro Amorim"]
[Result "1/2-1/2"]
[ECO "D71"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 b5 5. cxb5 a6 6. b6 Qxb6 7. Nc3 Bg7 8. Bg2 d6
9. Nf3 O-O 10. O-O a5 11. h3 Na6 12. Nd2 $146 ({RR} 12. Re1 Nd7 13. Nd2 Nc7 14.
Qa4 Qb4 15. Qc2 Ba6 16. a3 Qb7 17. a4 {1/2-1/2 (17) Braun,M (2232)-Pilar,M 
(2252) Czechia 2013}) 12... Nc7 13. Qc2 Ba6 14. Rb1 Nb5 15. Nc4 Qc7 16. Nxb5
Bxb5 17. a4 Bxc4 18. Qxc4 Nd7 19. Bd2 Rfb8 20. b3 Nb6 21. Qc2 c4 22. bxc4 Qxc4
23. Rfc1 Qxc2 24. Rxc2 Nxa4 25. Rxb8+ Rxb8 26. Bxa5 Nc5 27. Bf3 Bd4 28. Rc4 Be5
29. Rb4 Ra8 30. Rb5 Kg7 31. Kg2 f5 32. Bb4 Ne4 33. Bxe4 fxe4 34. Ba5 Kf6 35. f4
exf3+ 36. Kxf3 h5 37. e3 Kf7 38. g4 Rc8 39. Be1 Rc1 40. Bg3 Bxg3 41. Kxg3 Rg1+
42. Kf2 Rd1 43. gxh5 gxh5 44. Ra5 Kf6 45. Kg3 Rg1+ 46. Kf4 h4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Almeida Jr, Alvaro"]
[Black "Oliveira, Silvio Eduardo"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bc5 6. d4 Bb4 7. Bd2 c5 8.
Bb5+ Nc6 9. O-O O-O 10. a3 Nxd2 11. Qxd2 cxd4 12. axb4 dxc3 13. Qxc3 Ne7 $146 (
{RR} 13... Bd7 14. Bxc6 Bxc6 15. Qc5 a6 16. Nd4 Qd7 17. Rae1 Rac8 18. Nf5 Rce8
19. Nd4 Rc8 20. Rf2 Rfe8 21. c3 Re7 22. Nf5 Re6 23. Qe3 Rce8 24. Qg3 Rg6 25.
Qf4 Bb5 26. Rd2 h6 27. Nd4 Bc6 28. Rde2 {Pedersen,S (2182)-Petschar,K (2266)
Vienna 2015 1-0 (46)}) 14. Bd3 Bg4 15. Kh1 Bh5 16. Qd4 Nc6 17. Qf4 Qe7 18. b5
Bxf3 19. bxc6 Be4 20. Bxe4 dxe4 21. cxb7 Qxb7 22. Ra3 Qxb2 23. Rg3 f5 24. exf6
Qb7 25. h3 Rac8 26. Qh6 Rc4 27. Rf4 g6 28. h4 Rc6 29. h5 Rcxf6 30. hxg6 Rxf4
31. gxh7+ Kh8 32. Rg8+ Rxg8 33. hxg8=Q+ Kxg8 34. Qxf4 Qb1+ 35. Kh2 Qxc2 36.
Qb8+ Kg7 37. Qxa7+ Kg6 38. Qb6+ Kf5 39. Qb5+ Kf4 40. Qb8+ Ke3 41. Qg3+ Ke2 42.
Qg4+ Kd2 43. Qf4+ e3 44. Qd4+ Ke2 45. Qg4+ Ke1 46. Qh4+ Kf1 47. Qh3 Qf2 48. Qg4
e2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Andrade, Dalson Holanda"]
[Black "Bittencourt, Jorge"]
[Result "0-1"]
[ECO "D24"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Bg5 a6 6. a4 Nc6 7. e3 Na5 8. Ne5
Bb4 9. Nxc4 Qd5 10. Bxf6 Nxc4 11. Bxc4 Qxc4 12. Bxg7 Rg8 13. Be5 Rxg2 14. Bg3
$146 ({RR} 14. Rc1 Bd7 15. Qe2 Qxe2+ 16. Kxe2 Bd6 17. Rhg1 Rg6 18. Ne4 Ke7 19.
Rxg6 hxg6 20. Bf6+ Ke8 21. Nxd6+ cxd6 22. b3 Bc6 23. h4 Kd7 24. f3 b5 25. a5
Rc8 26. e4 b4 27. Ke3 Bb5 28. Rxc8 Kxc8 {Taboas Rodriguez,D (2359)-Kanter,E 
(2367) chess.com INT 2022 1/2-1/2 (47)}) 14... Qc6 15. Kd2 Bd7 16. Rf1 O-O-O
17. Qh5 f5 18. Qxh7 Qc4 19. Kc2 Bxc3 20. bxc3 Bxa4+ 21. Rxa4 Qxa4+ 22. Kd2 Qc4
23. Rc1 b6 24. Qh3 Qa2+ 25. Kd3 Rxf2 26. Bxf2 Qxf2 27. Rc2 Qe1 28. Qh6 Qd1+ 29.
Rd2 Qb1+ 30. Ke2 Qe4 31. Qh3 Rg8 32. Kf2 f4 33. Re2 fxe3+ 34. Rxe3 Rf8+ 35. Ke2
Qc2+ 36. Ke1 Kb8 37. Qxe6 Qxh2 38. Kd1 Qa2 39. Re1 Rf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Aranha Filho, Alvaro"]
[Black "Setti, Eduardo"]
[Result "1-0"]
[ECO "D96"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Qb3 Bg7 7. Bg5 Ne4 8.
Qxd5 Qxd5 9. Nxd5 Nxg5 10. Nxg5 Na6 11. e3 e6 12. Bxa6 exd5 13. Bb5+ Ke7 14.
Rc1 Kf6 $146 ({RR} 14... Be6 15. Rc7+ Kd6 16. Nxe6 Kxe6 17. Kd2 Rhd8 18. Rhc1
Rab8 19. g3 Bf8 20. Bf1 Rd7 21. Bh3+ f5 22. f3 Bd6 23. Rxd7 Kxd7 24. e4 dxe4
25. fxe4 Be7 26. Kd3 Rf8 27. e5 Bg5 28. Rc3 Rc8 29. Rxc8 {Hernandez Carmenates,
H (2561)-Martin Martin,L (2069) Madrid 2012 1-0}) 15. h4 a6 16. Ba4 h6 17. Nf3
Bf5 18. Ne5 Rac8 19. Ke2 Ke7 20. Bb3 Bxe5 21. dxe5 Ke6 22. Rhd1 Rxc1 23. Rxc1
Kxe5 24. Rc7 b5 25. Rc6 Be6 26. Rxa6 Rc8 27. Rb6 Rc5 28. Kd2 g5 29. hxg5 hxg5
30. Bc2 d4 31. Bd3 dxe3+ 32. Kxe3 Bxa2 33. b4 Rd5 34. Be4 Bc4 35. Bxd5 Kxd5 36.
Rb8 Ke5 37. Rc8 Bf1 38. Rc5+ Kf6 39. g3 Kg6 40. f3 f5 41. Rc1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Araujo, Everson"]
[Black "Silva, Erick"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. Be2 O-O 6. O-O b6 ({RR} 6... c5 7.
cxd5 Nxd5 8. Qc2 Nc6 9. b3 Nxc3 10. dxc3 b6 11. Rd1 Qc7 12. e4 Bb7 13. g3 Rad8
14. Bf4 Qc8 15. h4 Rxd1+ 16. Rxd1 Rd8 17. e5 Rxd1+ 18. Qxd1 Bd8 19. Bd3 h6 20.
Be4 Bc7 21. Qd3 {Vachier Lagrave,M (2781)-Nakamura,H (2746) London ENG 2018 1/
2-1/2 (61)}) 7. cxd5 exd5 8. d4 Nbd7 $146 ({RR} 8... Bb7 9. Ne5 Nbd7 10. Nd3
Re8 11. Qb3 Bd6 12. f3 c5 13. Qd1 a6 14. Qe1 c4 15. Nf2 Qc7 16. f4 b5 17. a3
Qb6 18. g4 Nf8 19. g5 N6d7 20. Bf3 Bxf4 21. Nh3 Bb8 22. Nxd5 Qd6 23. Nhf4 {
Franklin,M-Zuidema,C Berlin West 1965 1/2-1/2 (43)}) ({RR} 8... Bb7 9. Bd2 Nbd7
10. Rc1 Ne4 11. Be1 Re8 12. Nd2 Ndf6 13. Qc2 Nxc3 14. Qxc3 Bd6 15. h3 Ne4 16.
Nxe4 dxe4 17. Qb3 a5 18. Bc4 Qf6 19. Bd5 a4 20. Qc4 Bxd5 21. Qxd5 Rad8 22. Qb5
Qe6 23. a3 {Simoli,S (2213)-Rotondaro,A (2145) Bacoli ITA 2023 1/2-1/2 (58)})
9. b3 Re8 10. Bb2 c6 11. Rc1 Bd6 12. Qc2 Nf8 13. Rfd1 Bg4 14. Ne5 Bxe5 15. dxe5
Rxe5 16. Nb5 Bxe2 17. Qxe2 Rg5 18. Rxc6 Ne6 19. f4 Rf5 20. g4 Nxf4 21. exf4
Rxf4 22. Bxf6 Rxf6 23. Rxf6 Qxf6 24. Rxd5 Qc6 25. Re5 h6 26. Qc4 Qf6 27. Rf5
Qe7 28. Nc7 Rd8 29. Nd5 Qe6 30. Nc3 Qe1+ 31. Rf1 Qe3+ 32. Rf2 Kh8 33. Ne4 b5
34. Qe2 Qd4 35. Ng3 Qd7 36. Nf5 Re8 37. Qd2 Qe6 38. Qd4 f6 39. Qxa7 Qe1+ 40.
Rf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Arruda Filho, Ivo"]
[Black "Cilento, Lucas"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. e4 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Bg5 d4 8. Bxf6
gxf6 9. Nb1 Bxf5 ({RR} 9... Qb6 10. Qc1 Bxf5 11. exf5 e4 12. Nd2 Qa5 13. c3
Qxf5 14. Qc2 dxc3 15. bxc3 Nd7 16. Qxe4+ Qxe4+ 17. Nxe4 f5 18. Ng3 Bg7 19. Rc1
f4 20. Nf5 Be5 21. Be2 O-O-O 22. O-O Nc5 23. Nd4 Kc7 24. Nb3 {Petrov,A (2382)
-Papin,V (2569) Armavir 2011 1/2-1/2 (75)}) ({RR} 9... Qb6 10. Qc1 Bxf5 11.
exf5 Qc6 12. Rg1 h5 13. Qd1 Qe4+ 14. Be2 Qxf5 15. Qd3 Qe6 16. Nd2 Nd7 17. Qf3
O-O-O 18. Bc4 Qe7 19. O-O-O Bh6 20. Kb1 Bxd2 21. Rxd2 Qb4 22. Qe2 Rdf8 23. Rgd1
Kb8 24. c3 {Florez,N (1366)-Garcia Carey,O (2249) Velez, Santander COL 2023
0-1 (49)}) 10. exf5 Qb6 $146 ({RR} 10... Nc6 11. Bd3 Bb4+ 12. Kf1 Qd5 13. a3
Rg8 14. Rg1 Qa5 15. Qh5 Ke7 16. g3 Bd6 17. Qe2 Rac8 18. Nd2 b5 19. Kg2 Qb6 20.
Ne4 Na5 21. b3 Nb7 22. b4 Bb8 23. Rge1 Qc6 24. Kg1 Qd5 25. a4 {Krutyanski,
A-Kolobov,Y Riga (Latvia) 1954 1-0 (34)}) 11. Bd3 Qxb2 12. Nd2 Bb4 13. O-O Bxd2
14. Qxd2 Qa3 15. Be4 Ra7 16. Qh6 Nd7 17. Rfe1 Qf8 18. Qd2 Qc5 19. Qh6 b5 20.
Bd3 Qf8 21. Qh4 Qg7 22. Qxd4 Rc7 23. Qd6 Rg8 24. g3 Ra7 25. Be4 Qf8 26. Qd2 h5
27. h4 Qc5 28. Kh2 Nb6 29. Qe2 Rd7 30. Red1 Rg4 31. f3 Rg8 32. Rxd7 Nxd7 33.
Rd1 Ke7 34. Rd5 Qc7 35. Qd2 Nb6 36. Qb4+ Ke8 37. Rd6 Nc8 38. Bc6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Assad, Leonardo"]
[Black "Carvalho, Amauri"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nf3 c5 3. g3 g6 4. Bg2 Nc6 5. O-O Bg7 6. d4 cxd4 7. Nxd4 O-O 8.
Nc3 Nxd4 9. Qxd4 Ne8 10. Qd3 e6 11. e4 $146 ({RR} 11. b3 Nc7 12. Ba3 Re8 13.
Rad1 d5 14. cxd5 exd5 15. Nxd5 Nxd5 16. Bxd5 Bf5 17. Qf3 Qa5 18. b4 Qb5 19. e4
Be6 20. Bxe6 Rxe6 21. Rd5 Qe8 22. Re1 Rc8 23. Qe2 Bc3 24. Red1 Rxe4 25. Qf3
Bxb4 {Zaerban,J-Will,K Bad Zwesten 1999 1-0 (53)}) ({RR} 11. b3 Nf6 12. Ba3 Re8
13. Rad1 Qa5 14. Bd6 a6 15. h3 Nh5 16. Rc1 Bf8 17. Rfd1 Ng7 18. Ne4 Kh8 19. Nf6
Bxd6 20. Qxd6 Nf5 21. Qd2 Qxd2 22. Rxd2 Re7 23. Rcd1 d6 24. e4 Kg7 25. Ng4 h5 {
De Sousa,W (2182)-Luz Silva,C (1820) Belem 2016 0-1 (46)}) 11... Qb6 12. Rb1
Qd6 13. Qe2 Qc7 14. Bf4 Qd8 15. Qd2 Nf6 16. Bd6 Qb6 17. Bxf8 Bxf8 18. e5 Ne8
19. h4 h5 20. Kh2 Ng7 21. Qe2 Nf5 22. Ne4 Be7 23. Bh3 Nd4 24. Qe3 Nc2 25. Qh6
Qd8 26. Qd2 Nb4 27. a3 Nc6 28. f4 Kg7 29. b4 f5 30. exf6+ Bxf6 31. Rbd1 Qc7 32.
Nd6 Qd8 33. Nxc8 Qxc8 34. Qxd7+ Ne7 35. Bxe6 Qxd7 36. Rxd7 Kf8 37. Rxb7 a6 38.
Rd1 Nf5 39. Rf7+ Ke8 40. Rxf6 Ke7 41. Rxg6 Ne3 42. Rd7+ Kf8 43. Rf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Azevedo Jr, Joao"]
[Black "Romais, Rodrigo"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 c5 5. g3 Nc6 6. Bg2 dxe4 ({RR} 6... g6 7.
O-O Bg7 8. Nc3 O-O 9. e5 Ng4 10. Bf4 h5 11. h3 Nh6 12. Rfe1 Nf5 13. Bg5 Qc7 14.
Bf6 b6 15. Nb5 Qd7 16. g4 hxg4 17. hxg4 Ba6 18. gxf5 Bxb5 19. a4 Ba6 20. Bxg7
Kxg7 21. f6+ {Derraugh,G (2189)-Vakhlamov,I (2413) chess.com INT 2023 1-0}) 7.
dxe4 e5 8. c3 Bg4 $146 ({RR} 8... Be7 9. Bg5 Nd7 10. Be3 O-O 11. O-O Qc7 12.
Nbd2 a6 13. a4 Na5 14. Nc4 Nxc4 15. Qxc4 Nb6 16. Qe2 Bg4 17. h3 Bxf3 18. Bxf3
Qc6 19. a5 Nc8 20. Rfd1 Rd8 21. Rxd8+ Bxd8 22. Qc4 Nd6 23. Qxc5 {Rosito,J 
(2413)-Needleman,A (2419) Mendoza 2002 1-0 (66)}) 9. Nbd2 a6 10. O-O b5 11. a4
b4 12. Nc4 Qc7 13. Bg5 Be7 14. Ne3 Be6 15. Bxf6 Bxf6 16. Nd5 Bxd5 17. exd5 Nb8
18. d6 Qxd6 19. Nxe5 Ra7 20. Ng6+ Re7 21. Nxe7 Bxe7 22. Rfe1 Kf8 23. Qg4 g6 24.
Rad1 Qc7 25. Qe4 Bf6 26. cxb4 Bxb2 27. bxc5 Kg7 28. Qb7 Rc8 29. Qxb2+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Barbosa Filho, Lucio"]
[Black "Almeida, Tiago"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "131"]
[EventDate "2021.??.??"]

1. c4 b6 2. Nc3 Bb7 3. d4 Nf6 4. Bg5 e6 5. e3 Be7 6. Nf3 O-O 7. Be2 d5 8. O-O
Nbd7 9. Rc1 c5 10. cxd5 Nxd5 11. Bxe7 Qxe7 12. Nxd5 Bxd5 13. Bc4 ({RR} 13. Qa4)
13... Bb7 14. Qe2 Qf6 $146 ({RR} 14... a6 15. Rfd1 Rfd8 16. d5 Nf8 17. dxe6
Nxe6 18. Rxd8+ Qxd8 19. Rd1 Qe7 20. Bd5 Bxd5 21. Rxd5 Nf4 22. Qc4 Nxd5 23. Qxd5
Rd8 24. Qb3 Qe6 25. Kf1 Qxb3 26. axb3 Rd3 27. b4 cxb4 28. Nd4 Rd2 29. b3 {
Tschida,V (1657)-Horvath,O (1899) Austria 2016 0-1 (49)}) 15. Ba6 Bxf3 16. Qxf3
Qxf3 17. gxf3 cxd4 18. exd4 Nf6 19. Bb7 Rad8 20. Rc4 Rd7 21. Bc6 Rd6 22. b4
Rfd8 23. Rd1 g6 24. b5 e5 25. d5 Nxd5 26. Rxd5 Rxd5 27. Bxd5 Rxd5 28. Rc7 Rxb5
29. Rxa7 Kg7 30. Rb7 Kf6 31. a4 Rb4 32. Ra7 h5 33. Ra6 Kf5 34. a5 bxa5 35. Rxa5
g5 36. Kg2 Kf4 37. Ra3 f5 38. h3 Rd4 39. Rb3 g4 40. hxg4 hxg4 41. fxg4 Kxg4 42.
Rg3+ Kh4 43. Rg8 Rg4+ 44. Rxg4+ Kxg4 45. f3+ Kg5 46. Kg3 f4+ 47. Kg2 Kf5 48.
Kf1 Ke6 49. Ke2 Kd5 50. Kd3 Kd6 51. Kd2 Ke6 52. Ke2 Kf6 53. Kf2 Ke7 54. Ke1 Kd7
55. Kd1 Kc7 56. Kc1 Kb6 57. Kd2 Kc6 58. Kc2 Kd6 59. Kd2 Ke6 60. Ke2 Kf5 61. Kf1
e4 62. fxe4+ Ke5 63. Kf2 Kxe4 64. Ke2 f3+ 65. Kf2 Kf4 66. Kf1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Barbosa, Marcio Jordao"]
[Black "Kruger, Israel"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8.
a3 a6 9. Be2 d6 10. O-O Be7 11. f4 b5 12. Bf3 Bb7 13. Qe1 O-O ({RR} 13... b4
14. axb4 Nxb4 15. Qf2 d5 16. e5 Nd7 17. Kh1 O-O 18. Nd4 Nc6 19. Nce2 Nxd4 20.
Nxd4 Bc5 21. c3 a5 22. Bg4 Ba6 23. Rfe1 Qb6 24. Qg3 Rfe8 25. f5 exf5 26. Nxf5
Bxe3 27. Rxe3 Nf8 28. Nd6 {Agolzer,L (1902)-Ceschia,I (2166) Palmanova ITA
2023 0-1 (47)}) 14. Qg3 Kh8 $146 ({RR} 14... Nd7 15. Ne2 Nb6 16. Nbd4 Nc4 17.
Bf2 Nxd4 18. Bxd4 e5 19. fxe5 dxe5 20. b3 Bd6 21. Bf2 Nd2 22. Rfd1 Nxe4 23.
Bxe4 Bxe4 24. Nc3 Bb7 25. Nd5 Bxd5 26. Rxd5 Rad8 27. Rad1 Bxa3 28. Rxd8 Rxd8
29. Rxd8+ {Kukk,S (2176)-Malinin,Y (2358) Tallinn 2006 0-1 (46)}) ({RR} 14...
Nd7 15. Rad1 Bf6 16. e5 dxe5 17. f5 Nd8 18. Bxb7 Nxb7 19. Ne4 Kh8 20. c3 Be7
21. Nd4 Bd8 22. Ne2 exf5 23. Rxf5 Qc6 24. Ng5 Bxg5 25. Rxg5 g6 26. Qh3 f5 27.
Qh6 Rf6 28. Nf4 exf4 29. Bd4 {Pasko,A (2406)-Kononenko,D (2451) Dnipropetrovsk
2006 0-1 (38)}) 15. Qh3 b4 16. axb4 Nxb4 17. Rf2 Rab8 18. g4 Nxc2 19. g5 Nxe3
20. gxf6 gxf6 21. Nd4 Rg8+ 22. Kh1 Qc5 23. Ra4 Nc4 24. Qf1 Nb6 25. Nb3 Qc7 26.
Ra5 d5 27. Ra1 dxe4 28. Nxe4 f5 29. Ng3 Nd5 30. Na5 Ne3 31. Qd3 Bxf3+ 32. Rxf3
Ng4 33. Nh5 Qc5 34. Qe2 Rg6 35. Nb3 Rxb3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Bisesar, Maycon"]
[Black "Vicentin, Marcos"]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O cxd4 7. exd4 d5 8. h3
Nc6 9. Be3 Bf5 10. Nc3 a6 ({RR} 10... dxc4 11. Bxc4 Rc8 12. Rc1 Na5 13. Be2 Be6
14. Qa4 Nc4 15. Bxc4 Bxc4 16. Rfe1 a6 17. Ne5 Be6 18. Nd3 Nd5 19. Nc5 Nxc3 20.
bxc3 Bd5 21. c4 Bc6 22. Qd1 e6 23. Qg4 Qa5 24. Qh4 Qxa2 25. Bh6 {Adianto,U 
(2610)-Hracek,Z (2615) Koszalin 1998 1/2-1/2 (66)}) 11. Rc1 Rc8 12. cxd5 $146 (
{RR} 12. c5 Re8 13. Bf4 h6 14. Ne5 g5 15. Nxc6 Rxc6 16. Be5 Ne4 17. Bxg7 Kxg7
18. Na4 Qc7 19. Nb6 Rd8 20. Bd3 e5 21. Bb1 Bg6 22. Re1 exd4 23. Qxd4+ Kg8 24.
Nxd5 Rxc5 25. Rxc5 Qxc5 26. Nf6+ Nxf6 {Saveliev,A (2386)-Mikhalsky,V (2269)
chess.com INT 2022 1-0}) 12... Nxd5 13. Qd2 Nxe3 14. fxe3 e5 15. d5 e4 16. dxc6
exf3 17. Qxd8 Rfxd8 18. Bxf3 bxc6 19. Rfd1 Bh6 20. Kf2 Re8 21. Re1 Rcd8 22.
Rcd1 Rxd1 23. Bxd1 Bd3 24. Bf3 Re6 25. Na4 Bf8 26. Be2 Bb5 27. Nc3 Bb4 28. a3
Bxc3 29. bxc3 Bxe2 30. Kxe2 Re4 31. Kd3 Ra4 32. Ra1 f5 33. c4 Kf7 34. Kd4 Ke6
35. Ra2 Kd6 36. Ra1 g5 37. Kc3 Kc5 38. Kb3 Rxc4 39. Rf1 f4 40. exf4 Rxf4 41.
Rc1+ Kd5 42. Rd1+ Kc5 43. Rc1+ Kb6 44. Rc2 h5 45. Re2 a5 46. Re5 a4+ 47. Kc3 g4
48. Rxh5 gxh3 49. gxh3 c5 50. Rh8 Rf3+ 51. Kc4 Rf4+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Bueno, Marcos Antonio"]
[Black "Sovinski, Marcos Roberto"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. e4 Nc6 7. Nbd2 d5 ({RR} 
7... Nh5 8. a4 e5 9. c3 f5 10. Re1 f4 11. Nf1 fxg3 12. hxg3 Bg4 13. Qb3+ Kh8
14. N3h2 Bc8 15. Be3 Na5 16. Qc2 c5 17. b4 cxb4 18. cxb4 Nc6 19. b5 Nd4 20.
Bxd4 exd4 21. Rac1 Be6 22. Nd2 {matsuiy (2512)-Rego,V (2334) lichess.org 2020
1-0 (57)}) ({RR} 7... a6 8. c3 Bd7 9. a4 e5 10. Re1 Qc8 11. Nc4 b5 12. axb5
axb5 13. Rxa8 Qxa8 14. Ne3 Qa7 15. h3 Rb8 16. Kh2 h6 17. Qc2 Ne7 18. Nh4 Qa4
19. Qe2 b4 20. f4 bxc3 21. bxc3 Ne8 22. Nf3 {Salman,P (2287)-Djordjevic,D 
(2156) chess.com INT 2022 1-0 (32)}) 8. e5 $146 ({RR} 8. h3 dxe4 9. dxe4 Nd7
10. Nh4 e5 11. Nb3 Qe7 12. Be3 Rd8 13. Qe2 a5 14. a4 b6 15. Rfd1 Ba6 16. Qe1
Nb4 17. Rd2 Bc4 18. Rad1 Nxc2 19. Rxc2 Bxb3 20. Rxc7 Bxd1 21. Qxd1 Rac8 22. Qc2
Qe8 {Zuziak,P (1653)-Kubik,M (2136) Kouty nad Desnou 2012 0-1 (40)}) 8... Nd7
9. d4 e6 10. Re1 f6 11. exf6 Nxf6 12. c3 b6 13. Ng5 Re8 14. Bh3 e5 15. dxe5
Nxe5 16. Bg2 Rb8 17. Nf1 Bg4 18. f3 Bc8 19. Bf4 Nh5 20. Bxe5 Bxe5 21. f4 Bf6
22. Rxe8+ Qxe8 23. Qxd5+ Kg7 24. Qd2 Bf5 25. Re1 Qd8 26. Qe2 Bxg5 27. fxg5 Qxg5
28. Qe5+ Qf6 29. Qxc7+ Kh6 30. Qxb8 Qf7 31. b3 Nf6 32. Ne3 Kg7 33. Qe5 Qe6 34.
Nxf5+ Qxf5 35. Qe7+ Kh6 36. Rf1 Qd7 37. Qxf6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Cadilhac, Igor"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nxc3 8.
dxc3 O-O 9. Bg5 ({RR} 9. Qd5 b6 10. Bf4 Qc7 11. e6 Qxf4 12. exd7 Bxd7 13. Qxd7
Ne5 14. Nxe5 Bxe5 15. g3 Qf6 16. Rad1 Bd6 17. Bc4 a5 18. a4 h5 19. Qc6 Rac8 20.
Qe4 Rfd8 21. Rd3 Qf5 22. Rf3 Qxe4 23. Bxf7+ Kg7 {Jovanovic,Z (2539)-Malakhov,V
(2707) Mainz 2009 1/2-1/2 (58)}) 9... Qc7 ({RR} 9... h6 10. Be3 b6 11. Qd2 Kh7
12. Bf4 a6 13. Bd3 Bb7 14. h4 f5 15. exf6 exf6 16. h5 f5 17. hxg6+ Kxg6 18. Bd6
Rf6 19. Nh4+ Kf7 20. Nxf5 Qh8 21. Bc4+ Kg6 22. Nh4+ {1-0 (22) Druzhinina,O 
(2245)-Hartikainen,J (2108) chess.com INT 2023}) 10. Qd5 Qb6 11. Qd3 $146 ({RR
} 11. Qc4 d5 12. exd6 exd6 13. Bxc6 Qxc6 14. Be7 Re8 15. Rad1 b5 16. Qf4 d5 17.
Bxc5 Bf5 18. Bd4 Bxc2 19. Rc1 Re4 20. Qd2 Rxe1+ 21. Rxe1 Be4 22. Bxg7 Kxg7 23.
Nd4 Qd7 24. f3 Bf5 25. Qg5 Be6 {Novak,P (2345)-Plat,V (1996) Litomysl 2005 1/
2-1/2 (68)}) 11... Re8 12. a4 Qc7 13. Qe4 a6 14. Bc4 Nd8 15. Qh4 Nc6 16. Qf4
Nd8 17. Qh4 Nc6 18. Qf4 Nd8 19. Bh6 Ne6 20. Qh4 b6 21. Bxg7 Kxg7 22. Bd5 Bb7
23. c4 Rab8 24. Ra3 h6 25. Nd2 Qd8 26. Qe4 Ng5 27. Qe3 Ne6 28. Qe4 Qc7 29. f4
f5 30. Qe3 b5 31. Bxe6 b4 32. Bxd7 bxa3 33. Bxe8 Rxe8 34. Qxa3 Rd8 35. Qe3 Qc6
36. Nf3 Rd4 37. b3 Re4 38. Qd2 h5 39. Rd1 h4 40. Qd8 Rd4 41. Qxe7+ Kg8 42. Rxd4
cxd4 43. Qd8+ Kg7 44. Qxd4 h3 45. e6+ Kg8 46. Qd8+ Kg7 47. Qd7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Campos, Otavio"]
[Black "Peres, Wallafe"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 e6 4. h3 Bb4+ ({RR} 4... Be7 5. g4 O-O 6. gxf5 Nh5
7. Bh2 exf5 8. e3 d6 9. Nc3 Nd7 10. Bc4+ Kh8 11. Qe2 Nb6 12. Bb3 a5 13. a3 c6
14. O-O-O d5 15. Ne5 Nf6 16. f3 a4 17. Ba2 Be6 18. Rhg1 Nh5 19. f4 {Indjic,A 
(2546)-Sequera Paolini,J (2413) Lienz 2015 1/2-1/2 (63)}) 5. c3 Ba5 $146 ({RR} 
5... Be7 6. e3 b6 7. Be2 Bb7 8. Nbd2 O-O 9. O-O Qe8 10. Bxc7 d6 11. Bxb8 Rxb8
12. Rc1 Qg6 13. Nh4 Qh6 14. Nhf3 g5 15. Nh2 Kh8 16. Bf3 Bxf3 17. Qxf3 d5 18.
Rfe1 Bd6 19. Ndf1 Rg8 20. g4 {Gatto,M-Iatrino,V Cecchina 1997 0-1 (56)}) ({RR} 
5... Be7 6. e3 b6 7. Nbd2 Bb7 8. Be2 O-O 9. O-O d6 10. Bh2 Ne4 11. Nxe4 fxe4
12. Nd2 Qe8 13. c4 Bg5 14. c5 Qe7 15. cxd6 cxd6 16. Rc1 Na6 17. Nxe4 Bxe4 18.
Bxa6 Rxf2 19. Rxf2 Bxe3 20. Rc8+ {Jovanovic,D (2065)-Pavlasevic,D (1869)
Belgrade SRB 2018 1-0 (31)}) 6. e3 O-O 7. Bd3 Nc6 8. Nbd2 d5 9. Ne5 Ne4 10. g4
Qh4 11. Qe2 Nxe5 12. Bxe4 fxe4 13. Bxe5 Bd7 14. Bg3 Qe7 15. O-O-O Rac8 16. h4
c5 17. h5 cxd4 18. exd4 Ba4 19. Nb3 Bxc3 20. bxc3 Qa3+ 21. Qb2 Rxc3+ 22. Kb1
Qb4 23. Bd6 Qxd6 24. Qxc3 Bxb3 25. axb3 Rxf2 26. Rdf1 Qf4 27. Qc8+ Kf7 28. Qd7+
Kf8 29. Rxf2 Qxf2 30. Rc1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Cardoso, Lucca"]
[Black "Zakowicz, Rafael"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. b3 Ne4
9. Bb2 Nd7 10. Ne2 Ndf6 ({RR} 10... b6 11. b4 Rb8 12. b5 Bb7 13. cxd5 cxd5 14.
Qa4 Qe7 15. Qb3 Ra8 16. a4 a5 17. Ba3 Bxa3 18. Rxa3 Rac8 19. Raa1 Rc7 20. Rfc1
Rfc8 21. Rxc7 Rxc7 22. h3 Bc8 23. Qb2 Qd6 24. Nf4 Ndf6 25. Ne5 {Morozevich,A 
(2758)-Timofeev,A (2616) Loo 2013 1-0 (54)}) 11. Bc2 $146 ({RR} 11. Rc1 g5 12.
Ne5 Qe8 13. f3 Nc5 14. dxc5 Bxc5 15. Bd4 Bd6 16. f4 c5 17. Bb2 gxf4 18. exf4 d4
19. Ng3 b6 20. Be2 Bb7 21. Bf3 Ne4 22. Re1 Bxe5 23. fxe5 Qg6 24. Rc2 Rad8 25.
Rce2 d3 {Dong Bao Nghia (2324)-Nilsen,T (2219) chess.com INT 2023 1-0 (35)})
11... Bd7 12. Ne5 Be8 13. Nf4 Qe7 14. f3 Ng5 15. Qe2 Nf7 16. e4 dxe4 17. fxe4
Nxe5 18. dxe5 Bc5+ 19. Kh1 Ng4 20. exf5 exf5 21. b4 Bxb4 22. Bxf5 Nh6 23. Bc2
Bc5 24. Qe4 g6 25. Nd3 Nf5 26. a4 Bd4 27. Ba3 c5 28. Rab1 Bc6 29. Qg4 Ne3 30.
Rxf8+ Rxf8 31. Qxd4 Bxg2+ 32. Kg1 Qg5 33. Qxc5 Bd5# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Carmo, Jose Arlindo"]
[Black "Cabral, Denrick"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "114"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Be7 9. Be3 O-O 10. f4 b5 11. Nd5 ({RR} 11. f5 Bd7 12. Kh1 Bc6 13. Bf3 Nbd7 14.
a3 Rc8 15. Qe2 Ba8 16. Bg5 h6 17. Bh4 Nb6 18. Nd2 Nfd7 19. Bf2 Bg5 20. Rfd1 Nf6
21. Rab1 Qc7 22. Nf1 Nfd7 23. h4 Be7 24. Ne3 Nf6 25. g4 Nh7 {Smirin,I (2659)
-Anand,V (2779) Rishon Le Ziyyon 2006 0-1 (48)}) ({RR} 11. Bf3 Nbd7 12. Kh1 Rc8
13. Rg1 b4 14. Ne2 Ng4 15. Bxg4 Bxg4 16. h3 Be6 17. a3 a5 18. axb4 axb4 19. Ng3
Nf6 20. Ra7 exf4 21. Bxf4 d5 22. e5 Ne4 23. Rf1 Bh4 24. Nxe4 dxe4 25. Be3 Bg3 {
Chen,Z (1921)-Wang,S (2484) Qiziwan CHN 2023 1-0 (34)}) ({RR} 11. f5 Bc4 12.
Bd3 Qc7 13. Qe2 d5 14. Nxd5 Bxd5 15. exd5 e4 16. Bf4 exd3 17. Qxd3 Bd6 18. Qd2
Nbd7 19. Rac1 Nb6 20. Bxd6 Qxd6 21. Qd4 Rac8 22. Rf3 Rc4 23. Qe3 Nbxd5 24. Qg5
Nf4 25. Kh1 Ne4 {Carmo,J (1650)-Farias,I (1889) Cuiaba BRA 2021 0-1}) 11...
Nbd7 $146 ({RR} 11... Bxd5 12. exd5 exf4 13. Bxf4 Nbd7 14. Bf3 Nb6 15. Re1 Re8
16. Na5 Nbxd5 17. Bxd5 Nxd5 18. Qxd5 Qxa5 19. Rxe7 Rf8 20. Rf1 Rac8 21. Bxd6
Qb6+ 22. Kh1 Kh8 23. Rd7 Rfe8 24. Qxf7 Qd4 25. Bf8 {1-0 (25) Zavivaeva,E (1735)
-Womacka,M (2435) chess.com INT 2020}) 12. Nxe7+ Qxe7 13. Bf3 exf4 14. Bxf4 Ne5
15. h3 Bxb3 16. axb3 Nxf3+ 17. gxf3 Rfd8 18. Rf2 Nh5 19. Bh2 d5 20. f4 Qh4 21.
Qg4 Qxg4+ 22. hxg4 Nf6 23. exd5 Nxg4 24. Rd2 Rd6 25. c4 Rc8 26. Rc1 Rc5 27. f5
Nxh2 28. Kxh2 Kf8 29. Kg3 Ke7 30. Kg4 g6 31. Re1+ Kf6 32. fxg6 hxg6 33. Rf2+
Kg7 34. Re7 Rf6 35. Rxf6 Kxf6 36. Re4 Rc8 37. d6 bxc4 38. bxc4 a5 39. d7 Rd8
40. Rd4 Ke6 41. Kg5 Rxd7 42. Re4+ Kd6 43. Kf6 Kc5 44. Re5+ Kxc4 45. Rxa5 Rd5
46. b3+ Kd4 47. Ra4+ Ke3 48. Kxf7 g5 49. Ke6 Rb5 50. Kf6 Kf3 51. Rc4 g4 52.
Rc3+ Kg2 53. Rc2+ Kh3 54. Rc3+ g3 55. Ke6 Kh2 56. Kd6 g2 57. Rc2 Kh1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Carvalho, Vitor Augusto"]
[Black "Santos, Matheus Garcett"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "104"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. O-O Nf6 7. c3 O-O 8. h3 Rb8
9. Re1 b5 10. d4 Nd7 11. Be3 b4 12. Nbd2 bxc3 $146 ({RR} 12... Ba6 13. Nb3 bxc3
14. bxc3 cxd4 15. cxd4 Nb6 16. Bf1 Bxf1 17. Kxf1 Qd7 18. Kg2 Nc4 19. Bf4 Qb7
20. Qd3 Nb6 21. Rab1 Qd7 22. Rec1 Rfc8 23. Qe2 Nd8 24. Nc5 Qe8 25. Na6 Rxc1 26.
Rxc1 Rc8 27. Rxc8 {Strittmatter,N-Dietrich,K Germany 1998 1-0 (41)}) 13. bxc3
Qa5 14. Nb3 Qc7 15. Qc2 Na5 16. Nxa5 Qxa5 17. Nd2 cxd4 18. cxd4 Ba6 19. Nb3 Qa4
20. Qd2 Nb6 21. Qa5 Rfc8 22. Bf1 Bxf1 23. Rxf1 Qd7 24. Kh2 Nc4 25. Qe1 Qe6 26.
Bf4 Na3 27. d5 Qd7 28. Rc1 Nc4 29. Qe2 Qa4 30. Rc2 Na3 31. Rxc8+ Rxc8 32. Rc1
Rxc1 33. Nxc1 Nb5 34. Bd2 Bc3 35. Be3 a6 36. Qd3 Bf6 37. f3 Nc3 38. Qd2 Qc4 39.
Kg2 Qa4 40. h4 h5 41. Bg5 Bxg5 42. hxg5 Qa3 43. Qc2 a5 44. Kf1 Qc5 45. Ne2 Nxe2
46. Qxe2 Qc1+ 47. Qe1 Qxg5 48. Qxa5 Qxg3 49. Qc3 h4 50. Qe3 Qh2 51. Qg1 Qxa2
52. Qg4 Qh2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Cicuto, Marcelo Cezar"]
[Black "Braga, Marcelo Melem"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Bxc3 ({RR} 4... e5 5. Nf3 Ne7 6. O-O d6 7.
Ne1 h5 8. Nc2 Nbc6 9. a3 h4 10. b4 hxg3 11. fxg3 Nf5 12. d3 Ncd4 13. Rb1 cxb4
14. Rxb4 O-O 15. Bxb7 Bxb7 16. Rxb7 Ne6 17. Nd5 Qc8 18. Rb1 Qc5+ 19. e3 {
Flores,D (2598)-Shabalov,A (2570) Mar del Plata 2012 1-0 (49)}) 5. bxc3 Nf6 6.
d3 ({RR} 6. h4 O-O 7. Nf3 d6 8. O-O Nc6 9. d4 Bg4 10. Bh6 Re8 11. Qd2 Qa5 12.
d5 Bxf3 13. dxc6 Bxc6 14. e4 Bxe4 15. Rfe1 Bxg2 16. Kxg2 Qc7 17. Re3 Ng4 18.
Rf3 Nxh6 19. Qxh6 Qc6 20. Qe3 e6 {DrMaimer (2473)-Rego,V (2439) lichess.org
2021 1-0 (43)}) 6... O-O $146 ({RR} 6... Nc6 7. h4 O-O 8. Bh6 Re8 9. e4 Qa5 10.
Rc1 d6 11. h5 Qxa2 12. hxg6 fxg6 13. Bh3 Ne5 14. Bxc8 Raxc8 15. Rc2 Qb3 16. Bg5
Rf8 17. Kf1 Nfg4 18. Nh3 Rf7 19. Kg2 Rcf8 20. f4 Nc6 21. Re2 {alteredboy (2468)
-Rego,V (2476) lichess.org 2019 0-1 (42)}) 7. Nf3 Nc6 8. O-O d6 9. h3 Bd7 10.
Be3 Qc8 11. Kh2 Rd8 12. Qd2 b6 13. Bh6 Rb8 14. Rfe1 Kh8 15. Ng5 Kg8 16. Ne4
Nxe4 17. Bxe4 Bxh3 18. Bxc6 Qf5 19. Qf4 Qxf4 20. Bxf4 Bd7 21. Bf3 Kg7 22. Kg2
h5 23. Rh1 Rh8 24. d4 Rh7 25. Rh2 Rc8 26. d5 Rch8 27. Rah1 Rb8 28. g4 f6 29.
gxh5 g5 30. Bd2 Rg8 31. Be4 f5 32. Bd3 Kf6 33. Kf1 Ke5 34. Rg1 Kf6 35. e4 Rgh8
36. Rxg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Correa, Joao Pedro"]
[Black "Silva, Alex Castro"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. a4
a5 9. h3 Qc7 ({RR} 9... Rb8 10. Be3 b5 11. axb5 cxb5 12. Nh4 g6 13. f4 b4 14.
Na4 exf4 15. Bxf4 Nh5 16. Nf5 Nxf4 17. Nxe7+ Qxe7 18. gxf4 Ba6 19. Rf2 Nf6 20.
e5 Nh5 21. exd6 Qxd6 22. Nc5 Rbd8 23. Qf3 Bc8 24. c3 {Ovetchkin,R (2573)
-Prokopchuk,E (2513) Nefteyugansk 2002 1-0 (52)}) ({RR} 9... Re8 10. Re1 Bf8
11. g4 h6 12. b3 exd4 13. Nxd4 Nc5 14. Bb2 Qb6 15. Nf5 Bxf5 16. exf5 d5 17. Qd4
Qb4 18. Qxb4 axb4 19. Ne2 Nce4 20. Ng3 Nc3 21. Bf3 Bd6 22. Kg2 Kf8 23. h4 Bf4
24. Ne2 {Hernandez Gonzalez,W (2489)-Vaglio,J (2174) chess.com INT 2023 1-0 
(34)}) 10. Be3 Re8 11. Nh4 Nf8 12. f4 $146 ({RR} 12. Nf5 Bxf5 13. exf5 exd4 14.
Bxd4 d5 15. Qd3 N8d7 16. Rae1 Bc5 17. g4 Bxd4 18. Qxd4 Rxe1 19. Rxe1 Re8 20.
Rxe8+ Nxe8 21. Qa7 b6 22. Qa8 Nb8 23. Ne2 Nd6 24. Nd4 Qb7 25. Qxb7 Nxb7 26. f6
gxf6 {Williamson,R (2155)-Trevelyan,J (2243) Liverpool 2006 0-1 (50)}) 12...
Ng6 13. Nf3 Bf8 14. dxe5 dxe5 15. f5 Ne7 16. Qe2 b6 17. Qf2 Rb8 18. Nxe5 Nxf5
19. exf5 Rxe5 20. Kh2 Rxf5 21. Qd2 Bd6 22. Bf4 Bxf4 23. Rxf4 Rxf4 24. Qxf4 Qxf4
25. gxf4 c5 26. Rd1 Bf5 27. Rd2 Kf8 28. Bf3 Re8 29. Bc6 Re3 30. Rd8+ Ke7 31.
Rb8 Rxh3+ 32. Kg2 Rh6 33. Rxb6 Bxc2 34. Rb5 Kd6 35. Bf3 Rg6+ 36. Kf2 h5 37.
Rxa5 h4 38. Ra6+ Ke7 39. Ra8 Ng4+ 40. Ke2 f5 41. a5 Rd6 42. Bd5 Nf6 43. a6 Be4
44. Bxe4 Nxe4 45. Nxe4 fxe4 46. a7 Ra6 47. Rg8 Kf6 48. a8=Q Rxa8 49. Rxa8 Kf5
50. Ke3 h3 51. Rh8 Kg4 52. Kxe4 Kg3 53. Rg8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Costa, Kerginaldo"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. c4 Nb6 7. exd6 cxd6 8.
Be3 Bxf3 9. gxf3 d5 10. c5 Nc8 11. Qd2 $146 ({RR} 11. Nc3 e6 12. b4 a6 13. b5
axb5 14. Nxb5 N8a7 15. a4 Be7 16. Rg1 O-O 17. Nxa7 Rxa7 18. Bb5 Qc7 19. f4 Bf6
20. Qd2 Ne7 21. Ke2 Nf5 22. Rgc1 g6 23. Rc2 Bg7 24. a5 g5 25. fxg5 Qxh2 {
Leib,A (2239)-Bieri,C (2127) Geneve 2001 0-1 (39)}) 11... g6 12. h4 h5 13. b4
a6 14. a3 Bg7 15. Ra2 e6 16. f4 N8e7 17. b5 axb5 18. Bxb5 Nf5 19. Nc3 O-O 20.
Ne2 Nxh4 21. Rh3 Nf5 22. Kf1 Na5 23. a4 Qf6 24. Ra1 Nb3 25. Qb2 Nxc5 26. Re1
Nxa4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Cruz, Natan"]
[Black "Uczai, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "D37"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. e3 Be7 5. Bd3 O-O 6. Nc3 b6 7. O-O c5 8. cxd5
exd5 9. b3 ({RR} 9. dxc5 bxc5 10. e4 Bb7 11. exd5 Nxd5 12. Be4 {1-0 (12)
Cordova,E (2543)-Capo Vidal,U (2360) Toluca 2009}) 9... Nc6 10. dxc5 bxc5 11.
Bb2 Bg4 $146 ({RR} 11... Be6 12. Rc1 Qa5 13. Na4 Nd7 14. Qc2 Nb4 15. Bc3 Nxc2
16. Bxa5 Na3 17. Bc3 Rab8 18. Ne5 Bd6 19. Nc6 Rb7 20. Na5 Rc7 21. Bb2 c4 22.
bxc4 dxc4 23. Be4 f5 24. Bf3 Ne5 25. Bxe5 Bxe5 26. Nc6 {Todd,A (1723)-Chung,K 
(2286) Montreal 2013 0-1 (47)}) 12. Be2 h6 13. Rc1 Be6 14. Na4 Nd7 15. Qd2 Rc8
16. Rfd1 Qc7 17. Ba3 Nce5 18. Nxe5 Qxe5 19. Qa5 Bd6 20. g3 d4 21. Qd2 Bh3 22.
exd4 cxd4 23. Bb2 Rxc1 24. Rxc1 Re8 25. Bf1 Bxf1 26. Rxf1 Nc5 27. Bxd4 Qd5 28.
Nc3 Qc6 29. Be3 Ne6 30. Qd5 Qxc3 31. Qxd6 Ng5 32. Bxg5 hxg5 33. Qd7 Re1 34. Qb5
g4 35. Rxe1 Qxe1+ 36. Qf1 Qd2 37. a4 a5 38. Qc4 Qd1+ 39. Kg2 Qf3+ 40. Kg1 Qd1+
41. Kg2 Qf3+ 42. Kg1 Qd1+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Cunha, Lucas Aguiar"]
[Black "Sekula, Markley"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "107"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4
8. Nf4 d6 9. O-O Nc6 10. c4 h6 ({RR} 10... Bf5 11. Be3 a5 12. Nd5 h6 13. h3 Nf6
14. Qd2 Be4 15. Nc3 Bg6 16. Rfe1 Qd7 17. Rad1 Rad8 18. a3 b6 19. Bf3 Ne5 20.
Be2 Qc6 21. b3 Qa8 22. Bd4 Ne4 23. Nxe4 Bxe4 24. Bf1 f6 25. Re3 {Bobras,P 
(2441)-Becerra Rivero,J (2534) Dos Hermanas 2003 1/2-1/2 (68)}) ({RR} 10... Bf5
11. f3 Nc5 12. Rf2 Nb4 13. Bf1 Ne6 14. Nd5 a5 15. a3 Nxd5 16. cxd5 Nc5 17. Bd2
c6 18. Bc3 Na4 19. Bxg7 Kxg7 20. Qd4+ Qf6 21. Qxa4 Qxb2 22. Rd1 c5 23. g4 Bg6
24. f4 Re4 25. Qd7 {Van den Doel,E (2584)-Kopylov,D (2346) Maastricht NED 2023
1/2-1/2}) 11. a4 Bf5 12. Ra3 $146 ({RR} 12. Nd5 Nf6 13. Ne3 Bh7 14. b3 Nb4 15.
Bf3 Rb8 16. Bd2 a5 17. Bxb4 axb4 18. Qd2 c5 19. Rad1 {1/2-1/2 (19) Paehtz,E 
(2421)-Gaponenko,I (2439) Biel 2005}) 12... a5 13. Re3 Nc5 14. Rxe8+ Qxe8 15.
Nd5 Bxc2 16. Qe1 Nd4 17. Be3 Nxe2+ 18. Qxe2 Qe4 19. Qd2 Bd3 20. Rd1 Bc2 21. Re1
Nb3 22. Qc3 Qd3 23. Nxc7 Qxc3 24. bxc3 Rc8 25. Bb6 Nc5 26. Nd5 Ra8 27. Nc7 Rc8
28. Bxa5 Nxa4 29. Nd5 Ra8 30. Bb4 Nc5 31. h3 Bd3 32. Ne3 Ra6 33. Rd1 Bg6 34.
Rd5 Be4 35. Rd4 Bg6 36. Nd5 Kh7 37. f3 Ra1+ 38. Kh2 Ra2 39. Kg3 Ne6 40. Rd1 Bc2
41. Rd2 Bb3 42. Rxa2 Bxa2 43. Nb6 Nc5 44. Nc8 Na6 45. Nxd6 b6 46. Kf4 Kg6 47.
Ke4 Nc7 48. f4 f5+ 49. Ke5 Bb1 50. Nc8 Be4 51. g4 Bg2 52. gxf5+ Kf7 53. h4 b5
54. Nd6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Custodio, Leandro"]
[Black "Mota, Romulo Cardoso"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. d4 a6 ({RR} 5... Ne4 6. Bd3 f5 7.
Ne5 O-O 8. f3 Bb4+ 9. Ke2 Nd7 10. Nxd7 {1/2-1/2 (10) Miles,A (2609)-Slobodjan,
R (2536) Havana 1999}) 6. Nbd2 c5 $146 ({RR} 6... b5 7. c4 bxc4 8. bxc4 c5 9.
cxd5 exd5 10. dxc5 Bxc5 11. Bd3 Bg4 12. Qc2 Nbd7 13. Ne5 Bb4 14. Nc6 Bxd2+ 15.
Kxd2 Qc7 16. Ba3 Nb6 17. f3 Bd7 18. Nd4 Qxc2+ 19. Nxc2 Bb5 20. Bc5 Nc4+ 21. Ke2
{Michelakos,P (2098)-Poulopoulos,I (1915) Nikea 2011 1-0 (46)}) ({RR} 6... Nbd7
7. Bd3 b5 8. O-O Bb7 9. Rc1 c5 10. c4 dxc4 11. bxc4 cxd4 12. Nxd4 bxc4 13. Nxc4
O-O 14. Bb1 Nb6 15. Ne5 Qd5 16. Ndc6 Bd6 17. e4 Qxd1 18. Rfxd1 Bxe5 19. Bxe5
Nfd7 20. Bd6 Bxc6 21. Rxc6 {Fierro Jaquez,C (1833)-Soares,P Tornelo INT 2021
1-0 (36)}) 7. Bd3 Nc6 8. a3 b5 9. dxc5 Bxc5 10. O-O Bb7 11. a4 b4 12. Qe2 O-O
13. Nd4 Ne7 14. f4 Ne4 15. Qh5 Nf5 16. Nxf5 exf5 17. Rf3 g6 18. Qxh7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Dantas, Neimar"]
[Black "Panazzolo, Paulo"]
[Result "1/2-1/2"]
[ECO "E04"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. g3 e6 5. Bg2 c5 6. O-O Nc6 7. dxc5 Bxc5 8.
Qc2 ({RR} 8. Qxd8+ Kxd8 9. Nbd2 Ke7 10. Nxc4 Rd8 11. a3 a5 12. Bf4 Nd5 13. Bd2
b6 14. Rfc1 Bb7 15. Rc2 Rac8 16. Rac1 a4 17. e3 h6 18. Ne1 Nf6 19. Bc3 Rc7 20.
Bxf6+ Kxf6 21. Nxb6 Bxb6 22. Bxc6 Bxc6 {Tkachiev,V (2657)-Fressinet,L (2664)
Le Port Marly 2009 1/2-1/2 (86)}) ({RR} 8. Qxd8+ Kxd8 9. Nbd2 Ke7 10. Nxc4 Rd8
11. a3 a5 12. Nce5 Nxe5 13. Nxe5 a4 14. Nd3 Bd4 15. Bd2 Nd5 16. e3 Bb6 17. e4
Ne3 18. Bxe3 Bxe3 19. fxe3 Rxd3 20. Rac1 Bd7 21. Rc7 b5 22. Rfc1 Kd8 {
Prudnikova,S (2146)-Makhno,M (1849) Chelyabinsk RUS 2023 1/2-1/2}) 8... Qe7 9.
Qxc4 O-O 10. a3 $146 ({RR} 10. Bg5 e5 11. Bxf6 gxf6 12. Nc3 Be6 13. Qh4 Kg7 14.
Rac1 Bb6 15. Qh5 Qb4 16. Nh4 Qg4 17. Qxg4+ Bxg4 18. e3 Rfd8 19. Nd5 Rd7 20. Be4
Rad8 21. Nxb6 axb6 22. a3 Bh3 23. Rfe1 Rd2 24. Bc2 e4 {Kazakovskiy,V (2454)
-Ilyasli,U (2104) Baku AZE 2019 1-0 (45)}) 10... e5 11. b4 Bb6 12. Bb2 Be6 13.
Qh4 Bf5 14. b5 Nd4 15. Nxd4 exd4 16. Bxd4 Bxd4 17. Qxd4 Qxe2 18. Nc3 Qe7 19.
Rfe1 Be6 20. Ne4 Nxe4 21. Qxe4 Rab8 22. a4 b6 23. a5 Qc5 24. Qe5 Bd7 25. axb6
Qxb6 26. Ra6 Qxb5 27. Qxb5 Rxb5 28. Rxa7 Be6 29. Rea1 g6 30. h4 Rfb8 31. Be4
Bd5 32. Bxd5 Rxd5 33. Rc1 Rb2 34. Rc8+ Kg7 35. Rcc7 Rf5 36. f4 Kg8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Deves, Rafael"]
[Black "Cella, Glaucio"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 a6 3. Bc4 e6 4. a3 b5 5. Ba2 Bb7 6. d3 Nf6 ({RR} 6... Nc6 7. f4
b4 8. Nce2 d5 9. e5 Nh6 10. Nf3 Nf5 11. O-O Be7 12. Bd2 a5 13. a4 Qb6 14. Kh1
h5 15. Ng3 g6 16. Nxf5 gxf5 17. h4 O-O-O 18. c3 Rdg8 19. Ng5 Bxg5 20. hxg5 h4
21. Kh2 {Trnovec,M (2145)-Romanishin,O (2600) Dresden 1998 0-1 (52)}) 7. Nge2 (
{RR} 7. Nh3 d5 8. e5 Nfd7 9. f4 Nc6 10. O-O g6 11. Ne2 Be7 12. c4 Nb6 13. cxb5
axb5 14. d4 c4 15. Bd2 b4 16. axb4 Nxb4 17. Bxb4 Bxb4 18. Ng3 O-O 19. Qg4 Kh8
20. Ng5 Be7 21. Qh4 Bxg5 {Borrmann,L (2331)-Prudnykova,O (2268) chess.com INT
2023 1-0}) 7... d5 $146 ({RR} 7... d6 8. O-O Nbd7 9. Ng3 Be7 10. f4 Qc7 11. f5
c4 12. fxe6 fxe6 13. Nh5 Qc5+ 14. Kh1 Qxh5 15. Bf4 Qxd1 16. Raxd1 e5 17. Bg5
Rc8 18. dxc4 bxc4 19. Bxf6 Nxf6 20. Nd5 Bxd5 21. exd5 O-O 22. c3 {vihumalo 
(2085)-wagnerovsky (2337) lichess.org 2021 0-1}) 8. exd5 exd5 9. d4 b4 10. axb4
cxb4 11. Na4 Bd6 12. Bg5 O-O 13. O-O Bxh2+ 14. Kxh2 Ng4+ 15. Kg1 Qxg5 16. Qc1
Qh4 17. Qf4 Re8 18. Qg3 Qxg3 19. Nxg3 Nd7 20. Rfe1 Bc6 21. Bb3 Kf8 22. Nf5 g6
23. Nh4 Rxe1+ 24. Rxe1 Re8 25. Rxe8+ Kxe8 26. Nf3 f6 27. Nc5 Nxc5 28. dxc5 Ne5
29. Nd4 Kd7 30. Kf1 Nc4 31. c3 bxc3 32. bxc3 Nd2+ 33. Ke2 Ne4 34. c4 Nxc5 35.
cxd5 Bb7 36. Bc4 Kd6 37. Nc6 Bxc6 38. dxc6 Kxc6 39. Bg8 h6 40. Bf7 g5 41. f4
Kd6 42. fxg5 hxg5 43. Bc4 Ke5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Duailibi, Ricardo"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Rb8 7. a4 a6 8. O-O b5
({RR} 8... e6 9. Be3 Nd4 10. Qd2 h5 11. Nc1 h4 12. Nd1 hxg3 13. fxg3 e5 14. c3
Nc6 15. Nf2 Nge7 16. Ne2 Be6 17. d4 cxd4 18. cxd4 Bc4 19. d5 Nd4 20. Nxd4 Bxf1
21. Rxf1 exd4 22. Bxd4 Bxd4 23. Qxd4 {Wei Yi (2736)-Firouzja,A (2682) chess.
com INT 2019 1-0 (38)}) 9. axb5 axb5 10. f4 b4 11. Nb1 $146 ({RR} 11. Nd5 e6
12. Ne3 Nge7 13. f5 exf5 14. exf5 gxf5 15. Bxc6+ Nxc6 16. Nxf5 Bxf5 17. Rxf5
Qd7 18. Rf1 O-O 19. c3 Rbe8 20. Bd2 Qg4 21. Nf4 Qxd1 {1/2-1/2 (21) Milasiute,V
(2040)-Buervenich,S (2170) Stockholm 1998}) ({RR} 11. Nd5 Nd4 12. Nxd4 Bxd4+
13. Kh1 e6 14. Ne3 Ne7 15. f5 exf5 16. exf5 Bxe3 17. Bxe3 Nxf5 18. Rxf5 gxf5
19. Bh6 Qe7 20. Qd2 Rg8 21. Re1 Be6 22. d4 cxd4 23. Qxd4 Qc7 24. Bf4 Qb6 25.
Qf6 Rg6 {Shahil,D (2368)-Mrinmoy Rajkhowa (1840) Shillong IND 2023 1/2-1/2 (38)
}) 11... e6 12. Nd2 Nge7 13. Nf3 d5 14. e5 Qb6 15. Be3 f6 16. d4 Nf5 17. Bf2
fxe5 18. dxc5 Qc7 19. fxe5 Nxe5 20. Nxe5 Bxe5 21. Re1 O-O 22. Nc1 Bxb2 23. Nd3
Bxa1 24. Qxa1 Ne7 25. Ne5 Rxf2 26. Kxf2 Qxc5+ 27. Kf1 Bb7 28. Bf3 Rf8 29. Kg2
Ra8 30. Qc1 Ra2 31. Qg5 Rxc2+ 32. Kh3 Nf5 33. Nxg6 hxg6 34. Qxg6+ Ng7 35. Bg4
Rxh2+ 36. Kxh2 Qf2+ 37. Kh3 Qxe1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Farias, Igor"]
[Black "Oliveira, Joao Victor"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. Nf3 Nd7 ({RR} 6... f6
7. O-O Be7 8. Qb3 Nxc3 9. Qxe6 Nxe2+ 10. Kh1 c6 11. d4 Nxd4 12. Nxd4 Qxd4 13.
Qc8+ Qd8 14. Qxb7 Nd7 15. Bxc6 Rc8 16. Rd1 Rc7 17. Rxd7 Rxd7 18. Be3 Bd6 19.
Rd1 Ke7 20. Bxd7 Qxd7 21. Qxd7+ {Kaliberda,V (2397)-Lupik,M (2249) Peterhof
2006 1-0 (41)}) 7. O-O ({RR} 7. d4 Nxc3 8. bxc3 c6 9. O-O Qc7 10. e4 Bg4 11.
Be3 Be7 12. h3 Bh5 13. Qb3 f6 14. Rab1 b6 15. Nd2 c5 16. d5 c4 17. Qa4 Be2 18.
Rfe1 Bd3 19. Rxb6 axb6 20. Qxa8+ Bd8 21. Qa4 O-O {Boominathan
Lalitaditaayyanar (1726)-Sahoo Stitaprangya (1532) Bhubaneswar IND 2023 1-0 
(59)}) 7... Bd6 8. d4 $146 ({RR} 8. d3 h6 9. Qb3 N7b6 10. Re1 c6 11. Nd2 Ne3
12. Nc4 Nexc4 13. dxc4 Bxc4 14. Qd1 O-O 15. Be3 Bc7 16. Qc2 Qd6 17. Ne4 Qb4 18.
Bc5 Qb5 19. Bxf8 Rxf8 20. e3 Rd8 21. Nc3 Qb4 22. Rad1 Rxd1 {Adamowicz,
M-Olszewski,A Olsztyn 2010 0-1 (68)}) 8... Nxc3 9. bxc3 O-O 10. e4 Bg4 11. h3
Bxf3 12. Qxf3 Qf6 13. Qg4 Nb6 14. f4 exf4 15. e5 Bxe5 16. dxe5 Qxe5 17. Bxf4
Qxc3 18. Kh2 c6 19. Rac1 Qb2 20. Bh6 Rad8 21. Rc2 Qe5 22. Rf5 Qa1 23. Bxg7 Qxg7
24. Rg5 Qxg5 25. Qxg5+ Kh8 26. Qf6+ Kg8 27. Rc5 Nd5 28. Bxd5 Rxd5 29. Rc4 Re8
30. Rg4+ Kf8 31. Qg7+ Ke7 32. Re4+ Kd8 33. Qf6+ Kd7 34. Qxf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Fedrizzi, Roberto"]
[Black "Leite, Coraci"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. d4 c5 2. d5 d6 3. c4 e5 4. dxe6 Bxe6 5. e4 Nc6 6. Nc3 Nf6 7. h3 h6 8. Nf3
Be7 9. Be2 O-O 10. Bf4 a6 11. O-O Qc7 12. Nd5 $146 ({RR} 12. Qd2 Ne5 13. b3
Rad8 14. Rad1 Rd7 15. Rfe1 Rfd8 16. Qe3 g5 17. Bxe5 dxe5 18. Nd5 Bxd5 19. exd5
e4 20. Nxg5 hxg5 21. Qxg5+ Kh8 22. Qh6+ Nh7 23. Bg4 Qe5 24. f4 Qf6 25. Qxf6+
Nxf6 26. Bxd7 Rxd7 {Vasic,B (1905)-Stojilkovic,D (1963) Nis 2013 1/2-1/2 (44)})
12... Bxd5 13. exd5 Nb8 14. Bd3 Nbd7 15. Re1 Rae8 16. Bc2 Nh7 17. Qd3 Ndf6 18.
g4 Qd7 19. Kg2 Bd8 20. g5 hxg5 21. Nxg5 Nxg5 22. Bxg5 g6 23. Qf3 Kg7 24. Re3
Nh5 25. Bxd8 Qxd8 26. Rae1 Rxe3 27. Qxe3 Qf6 28. Rb1 Rh8 29. Qc3 Nf4+ 30. Kf1
Rxh3 31. Qxf6+ Kxf6 32. Kg1 Rh4 33. Bd1 Nh3+ 34. Kg2 Ng5 35. Be2 Ne4 36. f3 Nd2
37. Rc1 Ke5 38. Rc2 Rd4 39. Kf2 Kf4 40. b3 Nb1 41. Rc1 Na3 42. Rc3 b5 43. Rc1
Rd2 44. Ra1 Nc2 45. Rd1 Rxd1 46. Bxd1 Nd4 47. a3 bxc4 48. bxc4 f6 49. a4 a5 50.
Be2 Nxe2 51. Kxe2 f5 52. Kf2 g5 53. Ke2 g4 54. fxg4 fxg4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Ferreira, Andrei"]
[Black "Molina, Roberto Junio"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8.
Bd3 b5 9. a3 Bb7 10. Qe2 Bc5 ({RR} 10... Nf6 11. Bd2 Rc8 12. e5 Nd5 13. Ne4 Be7
14. O-O O-O 15. Kh1 f5 16. exf6 Nxf6 17. Ng5 h6 18. Nf3 Bd6 19. Rae1 Qd5 20.
Ne5 Bxe5 21. Qxe5 Qxg2# {0-1 (21) Baskin,R (2451)-Hansen,E (2609) chess.com
INT 2023}) 11. Be3 Rc8 12. O-O $146 ({RR} 12. Bxc5 Qxc5 13. O-O-O Nf6 14. e5
Nd5 15. Ne4 Qe3+ 16. Qxe3 Nxe3 17. Nd6+ Kf8 18. Nxb7 Nxd1 19. Rxd1 Ke7 20. Nd6
Rc5 21. b4 Rc3 22. Kb2 Rc7 23. f5 f6 24. fxe6 dxe6 25. Ne4 fxe5 26. Nc5 Rc6 {
Narayanan,S (2226)-Hughes,T (2133) ICC INT 2009 1-0 (40)}) 12... Nf6 13. Bxc5
Qxc5+ 14. Kh1 O-O 15. Rf3 d5 16. e5 Ne4 17. Bxe4 dxe4 18. Rh3 Rfd8 19. Rc1 e3
20. Rxe3 Qd4 21. Rf1 g6 22. Rd3 Qc5 23. Rfd1 Rxd3 24. Qxd3 Qf2 25. Qg3 Qxc2 26.
Qg5 h6 27. Qg4 Qxb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Filgueiras, Nathan"]
[Black "Soares, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Bd7 7. b4 cxd4 8. cxd4
Rc8 9. Bb2 Na5 10. Nfd2 Nc4 11. Nxc4 dxc4 12. Nc3 Ne7 ({RR} 12... a5 13. Be2
axb4 14. axb4 Bxb4 15. O-O Ne7 16. Bf3 O-O 17. d5 exd5 18. Bxd5 Bc6 19. Bf3
Rfd8 20. Qe2 Bxc3 21. Bxc3 Bxf3 22. gxf3 Nd5 23. Bd2 c3 24. Bc1 c2 25. Kh1 Qc6
26. Bg5 Nc3 27. Qe3 {Vara del Bosque,D (1851)-Gaya Llodra,J (2119) La Zubia
ESP 2023 0-1}) 13. Rc1 Qa6 14. Be2 b5 15. O-O $146 ({RR} 15. Ne4 Nd5 16. O-O
Be7 17. Nc5 Qc6 18. Bf3 O-O 19. g3 Ra8 20. Qe2 Qc7 21. Bg2 Bc6 22. Qg4 Rfd8 23.
Rfd1 Nb6 24. Nxe6 fxe6 25. Qxe6+ Kh8 26. Qxc6 Rac8 27. Qxb5 Rb8 28. Qc6 Qxc6
29. Bxc6 a6 {Trusz,J (1495)-Wagner,K Walbrzych 2013 1-0 (39)}) 15... Bc6 16.
Bf3 Qb7 17. Bxc6+ Qxc6 18. Qe2 Nd5 19. f4 g6 20. Ne4 Be7 21. Rf3 Qb6 22. Kh1 a5
23. bxa5 Qxa5 24. g4 h5 25. g5 Kd7 26. Nc3 Qa8 27. Kg1 Nxc3 28. Rfxc3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Fogaca, Vinicius"]
[Black "Santos, Jarlison"]
[Result "0-1"]
[ECO "A53"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. d4 d6 2. c4 Nf6 3. Nc3 Bf5 4. f3 e6 5. e4 Bg6 6. Nge2 Be7 7. Be3 O-O 8. Qd2
Nbd7 9. g4 $146 ({RR} 9. h4 a6 10. g4 h6 11. Nf4 e5 12. Ng2 Kh8 13. d5 c6 14.
g5 hxg5 15. hxg5+ Nh7 16. Nh4 Kg8 17. Bh3 Nxg5 18. Bxd7 Nxe4 19. Nxg6 fxg6 20.
Be6+ Rf7 21. Nxe4 {1-0 (21) Noble,M (2260)-Miller,B Yerevan 1996}) 9... c5 10.
Ng3 cxd4 11. Bxd4 Ne5 12. Be2 Rc8 13. h4 h5 14. Bxe5 dxe5 15. g5 Qxd2+ 16. Kxd2
Rfd8+ 17. Kc2 Nd7 18. Rhd1 Nb8 19. Bd3 Nc6 20. Nce2 Bc5 21. a3 Bf2 22. Rf1 Bc5
23. Rad1 a5 24. Kb3 Rd7 25. Nh1 Rcd8 26. Kc3 f5 27. Kc2 Nd4+ 28. Nxd4 Bxd4 29.
Nf2 f4 30. b4 axb4 31. axb4 Ra8 32. Kb3 b6 33. c5 bxc5 34. Bc4 Kf7 35. Nd3 cxb4
36. Nxe5+ Bxe5 37. Rxd7+ Ke8 38. Rb7 Bc3 39. Bxe6 Ra6 40. Bd7+ Kf8 41. e5 Bd3
42. Ba4 Bxf1 43. Rb8+ Ke7 44. Rb7+ Ke6 45. Rxg7 Kxe5 46. Rh7 Be2 47. Rxh5 Bd1+
48. Kc4 Bxa4 49. g6+ Kf6 50. Rh6 Kg7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Fontoura, Alexandre"]
[Black "Rocha, Vitor Firmo"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. b3 d5 2. Bb2 Bg4 3. f3 Bh5 4. Nh3 Nf6 ({RR} 4... e6 5. c4 Nf6 6. cxd5 exd5
7. e3 Bd6 8. Be2 Bg6 9. Na3 c6 10. O-O O-O 11. f4 Bf5 12. Nf2 Nbd7 13. g4 Qa5
14. Nb5 cxb5 15. gxf5 Ba3 16. Be5 Rfe8 17. Nd3 Ne4 18. Bd4 Qxd2 19. Qxd2 {
Vachier Lagrave,M (2762)-Sargissian,G (2686) Dubai 2014 0-1 (54)}) ({RR} 4...
e6 5. Nf4 Bg6 6. e3 Bd6 7. Bxg7 e5 8. Nxg6 hxg6 9. Bxh8 Qh4+ 10. g3 Qxh8 11.
Nc3 c6 12. Qe2 Nd7 13. O-O-O O-O-O 14. Kb1 f5 15. d4 Re8 16. Qd3 Ngf6 17. Bg2
Qh6 18. f4 e4 19. Qe2 {Narayanan,S (2669)-Harsh,S (2261) chess.com INT 2023
1-0 (50)}) 5. Nf4 Bg6 6. e3 $146 ({RR} 6. Nxg6 hxg6 7. e3 Nbd7 8. Nc3 e6 9. Ne2
c6 10. g4 Qc7 11. Ng3 Bd6 12. f4 g5 13. Qf3 gxf4 14. exf4 Bxf4 15. Ne2 Be5 16.
d4 Bd6 17. O-O-O O-O-O 18. h4 Ne4 19. Nc3 Bf4+ 20. Kb1 Nd2+ {Deviprasath,S 
(1578)-Saravana,K (2312) chess.com INT 2020 0-1}) 6... Nbd7 7. Nc3 c6 8. g3 e5
9. Nxg6 hxg6 10. Bg2 Bd6 11. Qe2 Qe7 12. a3 O-O-O 13. b4 Kb8 14. Nd1 Nb6 15. d3
Na4 16. Bc1 c5 17. c3 Qc7 18. Qc2 Nb6 19. b5 e4 20. f4 exd3 21. Qxd3 c4 22. Qc2
Nbd7 23. O-O Nc5 24. Nf2 Rhe8 25. Re1 Nb3 26. Ra2 Bc5 27. a4 Qb6 28. Ba3 Bxe3
29. Kf1 Nd2+ 30. Qxd2 Bxd2 31. Rxe8 Rxe8 32. Rxd2 Qe3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Gauche, Charles"]
[Black "Santos, Marcus Vinicius"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. d5 a5 6. Be2 Na6 7. Be3 Nf6 8. h3 ({RR
} 8. h4 h5 9. Qd2 Ng4 10. Bxg4 hxg4 11. O-O-O Nc5 12. Nge2 f5 13. f4 Bd7 14.
fxe5 Bxe5 15. Bg5 Bf6 16. e5 dxe5 17. Qe3 b6 18. d6 c6 19. Nf4 Kf7 20. Nfd5
cxd5 21. Nxd5 Bxg5 22. hxg5 f4 {Gutla,A (2308)-Tan,J (2250) Budapest HUN 2023
0-1}) 8... Nc5 9. Qc2 O-O 10. O-O-O $146 ({RR} 10. g4 c6 11. Nf3 cxd5 12. cxd5
Ne8 13. Bg5 f6 14. Bh4 Bd7 15. Nd2 Bh6 16. f3 Rc8 17. a4 Bxd2+ 18. Kxd2 Nc7 19.
Bf2 N7a6 20. Ra3 Nb4 21. Qb1 Qe8 22. Bb5 Bxb5 23. Nxb5 Qd7 24. Bxc5 Rxc5 {
Marcet Bisbal,A (2316)-Gual Pascual,A (2432) Barcelona 2015 0-1 (40)}) 10...
Bd7 11. g4 Qe7 12. Bg5 Rfc8 13. Kb1 c6 14. f3 h6 15. Bh4 g5 16. Bf2 cxd5 17.
exd5 a4 18. h4 Nh7 19. Bxc5 Rxc5 20. Bd3 Nf6 21. hxg5 hxg5 22. Nh3 e4 23. Bxe4
Rxc4 24. Nxg5 Nxe4 25. Ngxe4 a3 26. Rh5 Rb4 27. b3 Rc8 28. Rdh1 Rxc3 29. Nxc3
Qf6 30. Rh8+ Bxh8 31. Qh7+ Kf8 32. Qxh8+ Qxh8 33. Rxh8+ Ke7 34. Kc2 Rf4 35. Rh3
Rd4 36. Rh2 Rf4 37. Re2+ Kd8 38. Re3 Rd4 39. Re4 Rxe4 40. Nxe4 Ke7 41. Kc3 Bb5
42. f4 Be2 43. g5 Bf3 44. Kd4 b5 45. f5 Bd1 46. f6+ Kd7 47. Nc3 Bc2 48. b4 Bg6
49. Nxb5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Gazineu Neto, Rubens"]
[Black "Fernandes, Pedro G"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O Qb4 9. Bb3 Nxe4 10. Nxc6 bxc6 11. a3 Nxc3 12. Qf3 Ne2+ 13. Kh1 Qh4 14.
Qxf7+ Kd8 15. Qxg7 Qf6 16. Qxf6 exf6 17. Bc4 Rb8 18. Bxe2 Rxb2 19. Bd4 $146 ({
RR} 19. Bd3 Rb7 20. Rfb1 Kc7 21. Rxb7+ Kxb7 22. Bd4 Rf8 23. Bc5 Re8 24. Bd6 a6
25. Kg1 Re6 26. Bg3 d6 27. f3 Bd7 28. Rb1+ Ka7 29. Kf2 c5 30. Bc4 Re8 31. Bb3
Be6 32. Re1 Bd7 33. Rxe8 Bxe8 {Heredia Serrano,C (1957)-Han Wong,I Cuenca 2006
1-0 (38)}) 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Guimaraes, Diogo Duarte"]
[Black "Oliveira, Yuri Garcia"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Bg5
Be6 9. f4 Be7 10. f5 Bc4 11. Qd2 ({RR} 11. Ng3 Bxf1 12. Nxf1 Nbd7 13. Bxf6 Nxf6
14. Ne3 {1-0 (14) Daniel Rangel (2193)-Matheus Braga Dias (1841) Clube
Portugues de Niteroi 2023}) 11... Nbd7 12. O-O-O b5 13. b3 $146 ({RR} 13. Qe3
Ng4 14. Bxe7 Nxe3 15. Bxd8 Nxd1 16. Bc7 Nf2 17. Rg1 b4 18. Nd5 Nxe4 19. Nxb4
Rc8 20. Ba5 Rc5 21. Ng3 Nxg3 22. Bxc4 Rxc4 23. Rd1 Rc5 24. Rd5 Nxf5 25. Nxa6
Rxd5 26. Nc7+ Kf8 27. Nxd5 Nf6 {Hoolt,S (2145)-Tsolakidou,S (1803) playchess.
com INT 2012 0-1 (47)}) 13... Bxe2 14. Qxe2 Nxe4 15. Nxe4 Bxg5+ 16. Kb1 Be7 17.
Nxd6+ Bxd6 18. Rxd6 Qc7 19. Qe4 Qxd6 20. Qxa8+ Ke7 21. Qxh8 Qd1+ 22. Kb2 Qd4+
23. Kc1 Nc5 24. Bxb5 Ne4 25. Qe8+ Kf6 26. Qc6+ Kg5 27. h4+ Kg4 28. Be2+ Kg3 29.
c3 Qd2+ 30. Kb1 Nxc3+ 31. Qxc3+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Jenidarchiche, Douglas"]
[Black "Andrade, Roberto Costa"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nf6 4. g3 e5 5. Nf3 e4 6. Nd4 Bc5 7. Bg2 Qb6 8. e3
d5 9. c3 $146 ({RR} 9. c4 Nc6 10. cxd5 Nxd4 11. exd4 Bxd4 12. O-O O-O 13. Nc3
Bg4 14. Qa4 Rfe8 15. Nb5 Bc5 16. b4 Bxf2+ 17. Rxf2 e3 18. Bxe3 Qxe3 19. Nc7 Qc3
{0-1 (19) Aramayo Tapia,J (2149)-Velasquez Ojeda,C (2359) Santiago de Chile
2004}) 9... O-O 10. Nd2 Nc6 11. Nxc6 bxc6 12. O-O Ng4 13. Qb3 Bxe3 14. fxe3
Qxe3+ 15. Kh1 Nf2+ 16. Rxf2 Qxf2 17. Qd1 e3 18. Nf3 Bg4 19. h3 Bxf3 20. Qxf3
Qe1+ 21. Qf1 Qxg3 22. b3 e2 23. Qxe2 Rae8 24. Bf4 Qxf4 25. Qa6 Re6 26. Qxa7
Rfe8 27. Rf1 Re1 28. Kg1 Rxf1+ 29. Bxf1 Qg3+ 30. Kh1 g6 31. Qg1 Qxc3 32. Qf2
Re6 33. Kh2 Kg7 34. Qg2 h5 35. Qf2 Rf6 36. Qg2 Qe5+ 37. Kh1 Qe1 38. Kg1 Qe3+
39. Kh1 c5 40. Qg1 Qc1 41. Bg2 Qc3 42. a4 d4 43. Qd1 d3 44. a5 d2 45. a6 Qc1
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Lage, Pedro"]
[Black "Rodrigues, Edgar"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. Nf3 {Tsesarsky,I} Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. d4 d6 6. Be2 c5 7.
O-O cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7
14. Bf2 Nc5 15. Rab1 f5 16. exf5 Rxf5 ({RR} 16... gxf5 17. a3 ({RR} 17. Bd1 Qe8
({RR} 17... e5 18. Bc2 Qe7 19. Rbd1) 18. Re1 Qf7 19. Bc2 b6 20. a3 f4 21. b4) (
{RR} 17. Rfe1 b6 18. Bf1 ({RR} 18. Bd1) 18... Rf7 19. Rbd1 Qf8 20. Nd5) ({RR} 
17. Nd5 Bxd5 18. Qxd5+ e6 19. Qd2 Qe7 20. a3 a4 21. b4 Nb3 22. Qd3 Qf6 23. Rfd1
) 17... Kh8 ({RR} 17... a4 18. b4 Nb3 19. Qd3) ({RR} 17... b6 18. Bd1 ({RR} 18.
Nd5) 18... Nd7 19. Be2 ({RR} 19. Bc2) 19... Kh8 20. Nd5) 18. b4 axb4 19. axb4
Na4 20. Nxa4) 17. Rfe1 ({RR} 17. a3 Rf7 ({RR} 17... Qf8 18. Be3 b6 19. Nd5 Bxd5
20. cxd5 Kh8 21. Bb5) 18. b4 axb4 19. axb4 Ne6 20. Bd1 Be5 21. Bb3 Nf4 22. Ne4
Bxe4 23. fxe4 Qf8 24. c5 e6 25. Be3) ({RR} 17. Bd1 Ne6 ({RR} 17... Qf8 18. Bc2
Bh6 19. Be3 ({RR} 19. Qe2) 19... Bxe3+ 20. Qxe3 Re5 21. Qd2 Rd8 22. f4 Rh5 23.
Rbe1) 18. Bc2 Rf7 19. Nd5 Be5 ({RR} 19... Qf8 20. Be3 Bh8 21. Rbe1 Qg7 22. Kh1
Qb2 23. Re2 Qa3 ({RR} 23... Qxa2 24. Bxg6 ({RR} 24. Qd1))) 20. Be3 Bxd5 21.
Qxd5 Nf4 22. Qd2 Qf8 23. g3 Bc3 24. Qd1 Nh5 25. Qd3) ({RR} 17. Nd5 Bxd5 ({RR} 
17... Qf8 18. Be3) 18. cxd5 Qf8 19. Bb5 Kh8 20. Rfe1 Re5 21. Bd4 Rxe1+ 22. Rxe1
) ({RR} 17. Nb5 Ne6 18. Nd4 Nxd4 19. Bxd4 Bxd4+ 20. Qxd4 Qf8 21. c5 Qf6 22.
Qxf6 Rxf6 23. Rbc1 Kf8 24. a3 Rd8 25. Rfd1 Ke8 26. Kf2 dxc5 27. Rxd8+ Kxd8 28.
Rxc5 b6 29. Re5 Kd7 30. g3 Kd6 31. f4 Bd5 {Petrosyan,M (2628)-Petrosian,T 
(2601) Yerevan ARM 2021 1/2-1/2 (46)}) ({RR} 17. a3 a4 18. b4 Nb3 19. Qd3 d5
20. Rfd1 d4 21. b5 Nc5 22. Qc2 Be8 23. Rb4 e5 24. Nxa4 Rxa4 25. Rxa4 e4 26.
fxe4 Rxf2 27. Kxf2 Qh4+ 28. Kg1 Be5 29. g3 Bxg3 30. Bf3 Nxa4 31. hxg3 Qxg3+ {
Phatak,A (2081)-Mohit,K (1773) New Delhi IND 2022 1-0 (48)}) 17... Qf8 18. Nd5
$146 ({RR} 18. Bd1 Bxc3 19. Qxc3 Ne4 20. Qe3 ({RR} 20. fxe4 Rxf2 21. Bg4 Qf7 ({
RR} 21... Qf6 22. Qxf6 Rxf6 23. e5) 22. Be6 Rxg2+ 23. Kxg2 Qxe6) 20... Nxf2 21.
Qxf2 Qf6 22. Bc2 Rf4 23. Re3 Rf8 24. Rbe1 Qg5 25. Qg3 Qc5 26. Kh1 e5 ({RR} 
26... R8f6 27. Be4 ({RR} 27. Rxe7 Rxf3 28. Re8+ Bxe8 29. gxf3 Bc6 30. Be4)
27... e5 28. Qh3) 27. Bxg6 hxg6 28. Qxg6+ Kh8 29. Rxe5 dxe5 {1/2-1/2 (29)
Wojtkiewicz,A (2543)-De Dovitiis,A (2401) Buenos Aires 2003 CBM 097 [Tsesarsky,
I]}) ({RR} 18. Be3 e6 19. Rbd1 ({RR} 19. Bd1 Rd8 20. Bc2 Rxf3) 19... Qe7 20.
Nb5 Bxb5 21. cxb5) 18... Be5 19. Rbd1 Qf7 20. Bd3 Nxd3 21. Qxd3 b5 22. Bg3 bxc4
23. bxc4 Bxd5 24. cxd5 Bf6 25. Re4 a4 26. Bh4 g5 27. Be1 h5 28. Bc3 Bxc3 29.
Qxc3 a3 30. Qc6 Rf8 31. Qb7 Re8 32. Qd7 Kf8 33. Re6 g4 34. fxg4 hxg4 35. Ree1
Kg8 36. Rf1 Rf8 37. Rfe1 Kh8 38. h3 gxh3 39. Rd4 Qf6 40. Qa4 Rf1+ 41. Kh2 Rxe1
42. Rh4+ Kg7 43. Rg4+ Kh6 44. Rh4+ Kg6 45. Qc2+ Kf7 46. Qh7+ Ke8 47. Qh5+ Kd8
48. Ra4 Rh1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Lima da Silva, Fabio"]
[Black "Avelar, Flavio Henrique"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Bf4 c6 5. Nbd2 h6 $146 ({RR} 5... Be7 6. e3
Nbd7 7. Bd3 O-O 8. Qe2 dxc4 9. Nxc4 h6 10. Rd1 b5 11. Nce5 Qa5+ 12. Kf1 Bb7 13.
Bb1 c5 14. h4 Rfd8 15. Rh3 h5 16. Kg1 g6 17. Nxf7 Kxf7 18. Ng5+ Kg7 19. Qc2 Be4
20. Nxe4 {Rak,T (2096)-Sosnowski,D (2007) Poland 2007 1-0}) ({RR} 5... Bb4 6.
a3 Ba5 7. e3 O-O 8. b4 Bc7 9. c5 Bxf4 10. exf4 a5 11. Bd3 b6 12. O-O Ba6 13.
Qc2 Nbd7 14. Ne5 Bxd3 15. Qxd3 Qc7 16. g3 Ra7 17. Rfc1 Nxe5 18. fxe5 Nd7 19.
Qc3 Rfa8 20. Rab1 {Araz,B (2390)-Gunduz,U (2318) chess.com INT 2023 0-1 (37)})
({RR} 5... Bd6 6. Bg3 Ne4 7. e3 Nxg3 8. hxg3 Nd7 9. e4 dxe4 10. Nxe4 Bb4+ 11.
Ned2 Nf6 12. a3 Be7 13. Qc2 h6 14. O-O-O O-O 15. Ne5 Nd7 16. f4 c5 17. Ndf3
cxd4 18. g4 Nxe5 19. Nxe5 Bf6 20. Nf3 {Ren,X (2114)-Xu,Y (2017) Tianjin CHN
2023 1-0}) 6. e3 Nbd7 7. Bd3 Nh5 8. Be5 Nxe5 9. Nxe5 Nf6 10. c5 Qc7 11. O-O h5
12. Ndf3 Be7 13. Ng5 O-O 14. Qc2 Ne4 15. Nxe4 dxe4 16. Bxe4 f5 17. Bf3 Rf6 18.
Bxh5 Rh6 19. Be2 Bf6 20. f4 Bd7 21. Bc4 Bxe5 22. fxe5 Qd8 23. Qxf5 Qe7 24. Rf3
Rf8 25. Qxf8+ Qxf8 26. Rxf8+ Kxf8 27. Rf1+ Ke7 28. Rf3 Be8 29. Bd3 a6 30. Rh3
Rxh3 31. gxh3 Bh5 32. Kf2 Bd1 33. Kg3 Kf7 34. Kf4 Bh5 35. Kg5 g6 36. h4 Kg7 37.
b4 Kh7 38. Kf6 Bg4 39. Bxg6+ Kh6 40. Bf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Lima, Darcy Gustavo"]
[Black "Ribeiro, Matheus D"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 b6 8. Rc1
O-O 9. cxd5 exd5 10. b4 Be6 ({RR} 10... a5 11. b5 c6 12. bxc6 Nxc6 13. Bb5 Ne7
14. O-O Bg4 15. Be2 Rc8 16. Qb3 Qd6 17. h3 Bh5 18. Nb5 Qd7 19. Ne5 Bxe5 20.
Bxh5 Bb8 21. Bg4 f5 22. Bf3 Kh8 23. g3 g5 24. Nc3 f4 25. Bg4 {Livaic,L (2558)
-Matyunin,M (2099) chess.com INT 2023 1-0 (45)}) 11. b5 ({RR} 11. Be2 Be7 12.
b5 c5 13. O-O Nd7 14. dxc5 Nxc5 15. Nd4 Qd7 16. Bf3 a6 17. Nc6 Bf6 18. Nxd5
Bxd5 19. Bxd5 axb5 20. Qf3 Ra3 21. Rfd1 Nd3 22. Be4 Re8 23. Rd2 Rxe4 24. Qxe4
Nc5 25. Rxd7 Nxe4 {Shimanov,A (2597)-Pruijssers,R (2561) Tornelo INT 2021 1-0 
(39)}) 11... c5 $146 ({RR} 11... a6 12. a4 axb5 13. axb5 Be7 14. Be2 Nd7 15.
O-O Ra3 16. Ne1 Bd6 17. Bf3 Qa8 18. Qc2 Nf6 19. g3 Qa5 20. Ng2 Ra8 21. Nb1 Ra4
22. Nf4 Rc4 23. Qd3 Qxb5 24. Nxe6 fxe6 25. e4 e5 26. dxe5 {Kortschnoj,V-Darga,
K Havana 1963 1/2-1/2 (34)}) 12. bxc6 Nxc6 13. Be2 Na5 14. O-O Qe7 15. Ba6 Qa3
16. Qe2 Rfd8 17. Nb5 Qe7 18. Nc7 Rab8 19. Rc2 Bf5 20. Bd3 Be4 21. Rfc1 Nb7 22.
Na6 Ra8 23. Rc7 Qa3 24. R1c3 Qa5 25. Rc2 Nd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Lima, Vinicius Taishun"]
[Black "Bandeira, Tarciano"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "190"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 d6 5. Nxd4 Nf6 6. Nc3 Be7 7. O-O O-O 8.
h3 a6 9. Bf4 ({RR} 9. a4 Nxd4 10. Qxd4 Be6 11. a5 Bxc4 12. Qxc4 {1/2-1/2 (12)
Maciejewski,A (2435)-Kholmov,R (2445) Cheliabinsk 1991}) ({RR} 9. a4 Ne5 10.
Ba2 c6 11. f4 Ng6 12. Be3 Re8 13. Qf3 Bf8 14. Bf2 Qa5 15. Rae1 Qb4 16. Bb3 c5
17. Na2 Qa5 18. Nf5 c4 19. Bxc4 Bxf5 20. exf5 Qxf5 21. Bd3 Qxf4 22. Bxg6 Qxf3
23. Bxf7+ Kxf7 {Levitan,C (2129)-Vlajkovic,S (2168) chess.com INT 2023 0-1 (47)
}) ({RR} 9. a4 Ne5 10. Bb3 c5 11. Nf3 Be6 12. Nxe5 Bxb3 13. cxb3 dxe5 14. Be3
Qc7 15. Nd5 Nxd5 16. Qxd5 Rfd8 17. Qc4 Rd7 18. Rac1 Rc8 19. f3 Qd8 20. Rc2 Bg5
21. Bf2 Rd2 22. Qc3 Bf4 23. Rxd2 Qxd2 {De Carvalho,V (1757)-Bandeira,T (2026)
Cuiaba MT 2021 1-0}) 9... Bd7 $146 ({RR} 9... Nxd4 10. Qxd4 c5 11. Qd3 b5 12.
Bd5 Ra7 13. Rad1 Qb6 14. e5 dxe5 15. Bxe5 Rd8 16. Qf3 b4 17. Bxf6 Qxf6 18. Qxf6
Bxf6 19. Ne4 Be7 20. Bc6 Bd7 21. Bd5 Be8 22. c4 bxc3 23. Nxc3 Rad7 24. Bc4 {
Korkmaz,N (2107)-Eggleston,T (2178) chess.com INT 2021 1-0 (46)}) 10. a3 Ne5
11. Bb3 Qc8 12. Qe2 c5 13. Bxe5 dxe5 14. Nf3 Qc7 15. Rfe1 Rac8 16. Nd5 Nxd5 17.
Bxd5 c4 18. b3 cxb3 19. cxb3 Bb5 20. Qb2 Qc2 21. Qxc2 Rxc2 22. a4 Be2 23. Rac1
Rxc1 24. Rxc1 Bxf3 25. gxf3 b6 26. Rc7 Bb4 27. Rb7 Bc5 28. Kg2 g5 29. Kg3 Kg7
30. b4 Bxb4 31. Rxb6 a5 32. Kg4 f6 33. Kf5 Bc5 34. Rb7+ Kh8 35. Bf7 Bxf2 36.
Kxf6 Bg3 37. Ra7 Be1 38. Kxe5 Rc8 39. Kf6 h6 40. e5 Bc3 41. Re7 Rc6+ 42. Kf5
Rc5 43. Bb3 Bb4 44. Re8+ Kg7 45. Re7+ Kh8 46. Re6 Kh7 47. Kf6 Rc8 48. Re7+
Bxe7+ 49. Kxe7 Kg7 50. e6 Ra8 51. Bd5 Ra7+ 52. Kd6 Kf6 53. Bc6 h5 54. Bd7 Ra6+
55. Kc5 Ke7 56. Kb5 Ra8 57. Kb6 Kd6 58. Bc6 Rb8+ 59. Bb7 Kxe6 60. Ka6 Ke5 61.
Bc6 Kd6 62. Be4 Rb4 63. Bc2 Rc4 64. Bb3 Rc3 65. Bf7 Rxf3 66. Bxh5 Rxh3 67. Be2
Re3 68. Bd1 Re5 69. Kb6 Rd5 70. Bf3 Rf5 71. Be2 Re5 72. Bf3 Ke6 73. Bg4+ Kd6
74. Bf3 Rf5 75. Be2 Rd5 76. Bf3 Re5 77. Bd1 Ke6 78. Bg4+ Kf6 79. Ka6 Rd5 80.
Bf3 Ke5 81. Kb6 Rd3 82. Be2 Rd2 83. Bf3 Kf4 84. Ba8 Rb2+ 85. Kxa5 g4 86. Ka6 g3
87. a5 g2 88. Bxg2 Rxg2 89. Kb7 Rb2+ 90. Kc7 Ke5 91. a6 Rc2+ 92. Kb7 Rb2+ 93.
Ka8 Kd6 94. a7 Rh2 95. Kb7 Rh7+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Limp, Eduardo Thelio"]
[Black "Luz, Arthur Nader"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "136"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 Nc6 8.
Nb3 h6 9. Bh4 ({RR} 9. Bf4 Be6 10. O-O-O Bxb3 11. cxb3 Qa5 12. Kb1 g5 13. Be3
Ng4 14. h4 Rc8 15. hxg5 hxg5 16. Rxh8+ Bxh8 17. Be2 Nxe3 18. Qxe3 e6 19. Nb5
Ke7 20. Nxd6 Rd8 21. Nc4 Rxd1+ 22. Bxd1 Qb5 23. a4 Qb4 {Bortnyk,O (2581)
-Henriquez Villagra,C (2517) Doha 2016 1-0}) ({RR} 9. Be3 Ng4 10. Bf4 g5 11.
Bg3 a5 12. f3 Nge5 13. Bf2 a4 14. Nd4 a3 15. b3 O-O 16. Be2 Qa5 17. O-O Bd7 18.
Rad1 Nb4 19. Kh1 Rfc8 20. Be1 Nec6 21. Nxc6 bxc6 22. Bc4 Qe5 23. h3 Qxc3 {
Krienke,M (2115)-Korchmar,V (2438) chess.com INT 2023 1-0 (53)}) 9... O-O $146
({RR} 9... Be6 10. Be2 Nd7 11. O-O Nb6 12. f4 Nc4 13. Qc1 Nd4 14. Bd3 Qc8 15.
Bf2 Nxb3 16. axb3 Nb6 17. Bxb6 axb6 18. Rxa8 Qxa8 19. f5 gxf5 20. Bb5+ Bd7 21.
Bxd7+ Kxd7 22. Rxf5 Bd4+ 23. Kh1 Bxc3 24. bxc3 {Book,E-Petrovs,V Warsaw 1935 1/
2-1/2 (36)}) 10. Be2 a5 11. a4 Be6 12. f3 Rc8 13. Bf2 Nb4 14. Nd4 Nd7 15. Ncb5
Nc5 16. c3 Nc6 17. Nxe6 Nxe6 18. O-O g5 19. g3 Ne5 20. f4 gxf4 21. gxf4 Nc4 22.
Qc1 f5 23. b3 Nb6 24. Qe3 Nc5 25. exf5 Kh8 26. Rad1 Rxf5 27. c4 Nbd7 28. Kh1
Qf8 29. Bh4 Bf6 30. Bg3 Bg7 31. Bg4 Rf7 32. Bh5 Rf6 33. Bg4 e5 34. f5 Rc6 35.
Bh4 Rf7 36. Qh3 Nf6 37. Be2 Rd7 38. Rg1 d5 39. cxd5 Nxd5 40. Bg5 Ne4 41. Rdf1
Nxg5 42. Rxg5 Nf4 43. Rxf4 exf4 44. f6 Qxf6 45. Qxd7 hxg5 46. Bc4 f3 47. Kg1
Qa1+ 48. Kf2 Qb2+ 49. Kxf3 Rf6+ 50. Ke4 Rf4+ 51. Kd3 Qb1+ 52. Ke2 Qf1+ 53. Ke3
Qg1+ 54. Kd2 Qxh2+ 55. Be2 g4 56. Qe8+ Rf8 57. Qe4 Rd8+ 58. Kc1 Qg1+ 59. Kc2
Rc8+ 60. Bc4 Qf2+ 61. Kc1 Qb2+ 62. Kd1 Rd8+ 63. Ke1 Qc1+ 64. Kf2 Rf8+ 65. Kg3
Qg1+ 66. Kh4 Bf6+ 67. Kh5 Qh2+ 68. Kxg4 Qh4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Lopes, Wendell"]
[Black "Boabaid, Jorge Alberto"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 a6 6. Nf3 e6 7. Be2 Be7 8. O-O
O-O 9. Re1 ({RR} 9. Bf4 Ne8 10. Qb3 b5 11. Rfd1 Kh8 12. Bg3 f5 13. exf5 Rxf5
14. d5 e5 15. Ne4 Nd7 16. Rac1 Bb7 17. a4 bxa4 18. Qxb7 a5 19. Bb5 Ndf6 20.
Nxf6 Nxf6 21. Rc7 Bf8 22. Rdc1 Rb8 23. Qc6 Ne4 {Danilenko,D-Shvachko,E (2495)
Dnipropetrovsk 2003 1-0}) ({RR} 9. Bg5 h6 10. Bh4 Nc6 11. e5 dxe5 12. dxe5 Nd5
13. Nxd5 Bxh4 14. Nxh4 Qxd5 15. Qxd5 exd5 16. Nf3 Bg4 17. Rac1 Bxf3 18. Bxf3
Nxe5 19. Bxd5 Rab8 20. Rc7 Nc6 21. Bxc6 bxc6 22. Rxc6 Rxb2 23. Rxa6 Rfb8 {
Byrd Zuniga,H-Shikhar Soni Tornelo INT 2021 1/2-1/2 (57)}) 9... Nbd7 10. Bd3
$146 ({RR} 10. Bc4 b5 11. Bb3 Bb7 12. a3 Nb6 13. Qe2 d5 14. exd5 Bxd5 15. Nxd5
Nfxd5 16. Bxd5 Qxd5 17. Qe4 Qxe4 18. Rxe4 Bf6 19. Bg5 Bxg5 20. Nxg5 Rac8 21.
Ree1 Nc4 22. Nf3 Na5 23. b4 Nc4 24. Ne5 g6 {Golubenko,A-Parhomenko,A (1549)
Porec 2015 0-1 (31)}) 10... e5 11. d5 Nc5 12. Bc2 Bg4 13. h3 Bh5 14. Qd2 Bxf3
15. gxf3 Nh5 16. Ne2 h6 17. f4 exf4 18. Nxf4 Bg5 19. Qe2 Nxf4 20. Bxf4 Bxf4 21.
Qg4 Qg5 22. f3 Nd7 23. h4 Qxg4+ 24. fxg4 Ne5 25. Kg2 Rac8 26. Bb3 g5 27. Rh1
Nxg4 28. Kf3 Ne5+ 29. Kg2 Kg7 30. hxg5 hxg5 31. Rh5 Rc1 32. Rxc1 Bxc1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Mariano, Marceley M"]
[Black "Labussiere, Victor"]
[Result "0-1"]
[ECO "B58"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Ndb5 a6 8.
Na3 b5 9. Nd5 Nxe4 10. Bf3 f5 11. Be3 Rb8 12. O-O Be7 13. Bxe4 fxe4 14. f3 O-O
15. fxe4 Rxf1+ 16. Qxf1 Be6 $146 ({RR} 16... Bg5 17. Qf2 Be6 18. Bb6 Qd7 19. c4
bxc4 20. Nxc4 Bxd5 21. exd5 Nb4 22. Qf3 Rxb6 23. Nxb6 Qa7 24. Rf1 Qxb6+ 25. Kh1
Bf6 26. a3 Nc2 27. Qc3 Nd4 28. Qc8+ Qd8 29. Qxa6 h6 30. b4 e4 31. b5 {Alves
Campelo,D (1942)-Barreto Filho,C (2321) Recife 2011 1-0 (38)}) 17. Qd3 Bf8 18.
c3 Ne7 19. Bg5 Qd7 20. Bxe7 Bxe7 21. Nxe7+ Qxe7 22. b3 Qc7 23. Rd1 Qc5+ 24. Kh1
Qxa3 25. Qxd6 Qxd6 26. Rxd6 Kf7 27. Rxa6 Rc8 28. Ra7+ Kf6 29. h3 Rxc3 30. a4 b4
31. Rb7 Rxb3 32. a5 Ra3 33. Rxb4 Rxa5 34. Kh2 Rc5 35. Rb1 Rc4 36. Re1 Bd7 37.
Kg3 Bc6 38. Kf3 Rc3+ 39. Kg4 Bd7+ 40. Kh4 g5+ 41. Kh5 Rg3 42. Re2 Kg7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Marquezini, Paulo E"]
[Black "Farias, Sergio Luiz"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Ne5 7. Bb3 ({RR} 7.
Be2 Qe7 8. O-O g6 9. Bg5 Be6 10. f4 Neg4 11. f5 gxf5 12. Bxg4 h6 13. Bxf6 Qxf6
14. Bxf5 {1-0 (14) Kotsalis,E (1741)-Pavloudakis,V (1292) Anogia 2017}) 7...
Bg4 ({RR} 7... Be7 8. Bf4 O-O 9. Qe2 c6 10. h3 a5 11. a4 Re8 12. Bg3 Bf8 13.
O-O-O Qc7 14. f4 Ned7 15. Qf3 Nc5 16. Rhe1 Nxb3+ 17. Nxb3 Nd7 18. Nd2 Nb6 19.
f5 Bd7 20. Bf4 Qc8 21. g4 c5 22. b3 {Dzhumaev,M (2481)-Khoroshev,N (2337)
Tashkent 2016 1-0 (36)}) 8. f3 Bh5 9. O-O $146 ({RR} 9. Bg5 Be7 10. Nf5 O-O 11.
Nxe7+ Qxe7 12. Nd5 Qd8 13. Bxf6 gxf6 14. Qd2 Kg7 15. O-O-O h6 16. Qf4 a5 17. a3
b5 18. Ne3 Bg6 19. h4 c5 20. h5 Bh7 21. Bd5 Rb8 22. Rh3 Kh8 23. Rg3 Rg8 {
Petrovcic,C (1574)-Mikuz,S (1616) Nova Gorica 2006 1-0 (36)}) 9... a6 10. Bg5
Be7 11. Nf5 h6 12. Bxf6 Bxf6 13. Nd5 Nd7 14. Nxf6+ Qxf6 15. c3 Nc5 16. Bd5 c6
17. Bc4 Rd8 18. Re1 O-O 19. Qd4 Qe5 20. f4 Qxd4+ 21. Nxd4 Rfe8 22. e5 d5 23.
Bf1 Na4 24. Rab1 c5 25. Nc2 Bg6 26. Re2 d4 27. Rf2 d3 28. f5 Bh5 29. Ne3 d2 30.
Nc4 d1=Q 31. Rxd1 Rxd1 32. e6 f6 33. Ne3 Rb1 34. g4 Nxb2 35. gxh5 Nd3 36. Rd2
Nf4 37. Kf2 Nxh5 38. Kf3 g6 39. fxg6 Ng7 40. Rd7 b5 41. e7 Rxf1+ 42. Nxf1 Nf5
43. Rd8 Nd6 44. Rxd6 Rxe7 45. Rxa6 Kg7 46. Ng3 Kxg6 47. Rb6 c4 48. h4 h5 49.
Ne4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Marra, Eduardo"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "122"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. c3 Be7 7. d3 O-O 8. Na3
Re8 9. O-O d6 10. Nc4 h6 11. Ne3 Be6 ({RR} 11... d5 12. Nh4 d4 13. Nd5 dxc3 14.
bxc3 Be6 15. Nxf6+ Bxf6 16. Nf5 c4 17. dxc4 Na5 18. Rd1 Qc7 19. Qg4 Kh8 20. Qh5
Kg8 21. Qg4 Kh7 22. Qh5 Rad8 23. Bxh6 g6 24. Qh3 Kg8 25. g4 Nxc4 26. Qf3 {
Mendonca,L (2623)-Le,Q (2728) chess.com INT 2023 0-1 (46)}) 12. Nh4 Bf8 13. Nd5
({RR} 13. f4 exf4 14. gxf4 d5 15. e5 Nh7 16. Nf3 d4 17. Nc4 Bf5 18. Rd1 Be7 19.
cxd4 cxd4 20. Ncd2 Nf8 21. Ne4 Qd7 22. Bd2 Ng6 23. Kh1 Rac8 24. Qf2 a5 25. a3
Red8 26. Rac1 a4 27. Qf1 Be6 {Banh Gia Huy (2391)-Al Hosani,O (2225) Abu Dhabi
UAE 2023 1-0 (48)}) 13... Rb8 $146 ({RR} 13... g6 14. Be3 Bxd5 15. exd5 Ne7 16.
c4 Nh7 17. Nf3 f5 18. h4 Nf6 19. Nh2 Bg7 20. Kh1 f4 21. gxf4 exf4 22. Bxf4 Nf5
23. Qd2 Nh5 24. Nf3 Nxh4 25. Bxh6 Nxf3 26. Bxf3 Qh4+ 27. Kg1 Be5 28. Rfe1 {
Keller,P (2286)-Admiraal,M (2458) Barcelona 2016 0-1 (39)}) 14. Qf3 Nh7 15. Nf5
Bxd5 16. exd5 Ne7 17. Bd2 Nxf5 18. Qxf5 g6 19. Qg4 Bg7 20. Rae1 Qa5 21. Qd1
Qxa2 22. Qc2 Qa6 23. Ra1 Qb6 24. Ra4 a6 25. b4 Nf6 26. Rb1 Nd7 27. bxc5 Qxc5
28. Rc4 Qa5 29. Be3 Rec8 30. Ba7 Rxc4 31. dxc4 Qc7 32. Bxb8 Qxb8 33. Qb3 Nc5
34. Qb6 Bf8 35. Qc6 Qd8 36. Rxb7 Nxb7 37. Qxb7 Qa5 38. Qb2 Qc5 39. Qb4 a5 40.
Qb5 Qa3 41. Be4 Qxc3 42. Kg2 Qe1 43. Bc2 Qe2 44. Qb3 e4 45. Bd1 Qe1 46. Bc2 Qe2
47. Bd1 Qd2 48. Qc2 Qd4 49. h4 h5 50. Kf1 Bh6 51. Kg2 Bd2 52. Be2 Be1 53. Bf1
a4 54. c5 dxc5 55. d6 a3 56. Bc4 Kg7 57. d7 e3 58. fxe3 Qxd7 59. e4 Qd4 60. Qb3
Qf2+ 61. Kh3 a2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Matsuura, Everaldo"]
[Black "Cavalcante, Rodrigo"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be3 Nbd7 7. c4 Qc6 8. Nc3
cxd4 9. Nxd4 Qc7 10. Be2 a6 11. O-O b6 12. Bf3 Bb7 13. Re1 Be7 14. Bf4 Qc8 $146
({RR} 14... Qxf4 15. Bxb7 Ra7 16. Bf3 Rc7 17. g3 Qd6 18. Nd5 Nxd5 19. cxd5 Ne5
20. Bg2 O-O 21. dxe6 fxe6 22. Nxe6 Nd3 23. Re2 Rc4 24. Nxf8 Kxf8 25. Rd2 Rd4
26. Bf1 Ne5 27. Rxd4 {1-0 (27) Sermek,D (2525)-Titz,H (2301) Pula 2001}) 15.
Nd5 Nxd5 16. cxd5 O-O 17. Rc1 Qe8 18. dxe6 Nc5 19. Bxb7 Nxb7 20. Rc7 Nd8 21.
Nf5 Nxe6 22. Rxe7 Qb5 23. Qg4 Qxb2 24. R1xe6 fxe6 25. Rxg7+ Kh8 26. Rxh7+ Kxh7
27. Qh5+ Kg8 28. Ne7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Mazetto, Sergio Luiz"]
[Black "de Deus Filho, Joaquim"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "186"]
[EventDate "2021.??.??"]

1. d4 e6 2. e4 b6 3. Nc3 Bb4 4. Bd3 Bb7 5. Qe2 Bxc3+ 6. bxc3 f5 7. Nf3 fxe4 8.
Bxe4 Bxe4 9. Qxe4 Nc6 10. Bg5 Nf6 11. Qe2 $146 ({RR} 11. Bxf6 Qxf6 12. O-O d5
13. Qe2 O-O 14. Rae1 Rae8 15. Ne5 Nxe5 16. Qxe5 Qxe5 17. Rxe5 Rf5 18. Rfe1 Rxe5
19. Rxe5 Kf7 20. f4 Kf6 21. Kf2 c5 22. Ke3 c4 23. f5 g6 24. fxg6 hxg6 25. h3
Rh8 {lrestevezp (2304)-carvaflu (1960) lichess.org 2020 1-0 (51)}) 11... h6 12.
Bd2 O-O 13. O-O Qe8 14. c4 Qh5 15. Bc3 Rf7 16. Rae1 Raf8 17. h3 a5 18. Qd3 Nh7
19. Re3 Qf5 20. Nh4 Qxd3 21. cxd3 Ne7 22. Nf3 Ng6 23. Ne5 Nxe5 24. dxe5 Rf4 25.
Re2 R8f7 26. Rb1 Rf8 27. Rb5 Ra8 28. Reb2 a4 29. c5 bxc5 30. Rb7 Rc8 31. Ra7
Nf8 32. Rbb7 c6 33. Kf1 g5 34. Ke2 c4 35. d4 Re4+ 36. Kf3 Rf4+ 37. Ke3 c5 38.
dxc5 Rxc5 39. g3 Rf7 40. Rc7 Rd5 41. Rxc4 Ng6 42. f4 gxf4+ 43. gxf4 Ne7 44.
Raxa4 Nf5+ 45. Kf2 Rd3 46. Ra8+ Kh7 47. a4 Rg7 48. Rcc8 Rxh3 49. Rh8+ Kg6 50.
Bd2 Rh2+ 51. Ke1 Nd4 52. Bc3 Nc2+ 53. Kd1 Ne3+ 54. Ke1 Kf5 55. Rag8 Rxg8 56.
Rxg8 Kxf4 57. a5 Ke4 58. Bd2 Kd3 59. Bxe3 Kxe3 60. Rg3+ Ke4 61. Ra3 Rg2 62. a6
Rg8 63. a7 Ra8 64. Ra5 Kd4 65. Kf2 Kc4 66. Kg3 Kb4 67. Ra1 Kb5 68. Kh4 Kb6 69.
Kh5 Rxa7 70. Re1 Ra2 71. Kxh6 Rg2 72. Rd1 Kc7 73. Rc1+ Kd8 74. Re1 Ke7 75. Ra1
Re2 76. Ra5 Rd2 77. Kg5 Rd5 78. Rxd5 exd5 79. Kf5 d6 80. e6 Kf8 81. Kf4 Ke8 82.
Kg4 d4 83. Kf4 d5 84. Kf3 Ke7 85. Ke2 Kxe6 86. Kd2 Kf5 87. Kd3 Ke5 88. Kd2 Ke4
89. Ke2 d3+ 90. Kd2 Kd4 91. Kd1 Ke3 92. Ke1 d2+ 93. Kd1 d4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Medeiros, Fabricio"]
[Black "Teixeira, Jonas"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 g6 7. O-O-O Bg7 8.
Be2 ({RR} 8. Nd5 O-O 9. Bc3 Nxd5 10. exd5 Bxc3 11. Qxc3 Ne5 12. h3 Bf5 13. Rd2
Rc8 14. Qb4 Qc7 15. c3 a5 16. Qd4 Nc4 17. Bxc4 Qxc4 18. Qxc4 Rxc4 19. Ne2 b5
20. b3 Rc5 21. Kb2 Rfc8 22. f3 R8c7 {Liu,C (2278)-Garrido Diaz,J (2321) chess.
com INT 2023 0-1 (38)}) 8... O-O 9. f4 Bd7 $146 ({RR} 9... Be6 10. e5 dxe5 11.
fxe5 Ng4 12. Bxg4 Bxg4 13. Nf3 Bxf3 14. gxf3 Nxe5 15. Qe4 Qc7 16. Nd5 Qd7 17.
f4 Nc6 18. Nxe7+ Qxe7 19. Qxe7 Nxe7 20. Bb4 Rfe8 21. Rd7 Nc6 22. Rxb7 Nxb4 23.
Rxb4 a5 24. Ra4 {Kunsek,P-Krivec,J Slovenia 1992 0-1 (52)}) 10. e5 Ne8 11. g4
Qc8 12. h4 Bxg4 13. Bxg4 Qxg4 14. Nf3 h5 15. Rdg1 Qd7 16. Rg2 Bh6 17. Qe2 Bg7
18. Rhg1 Bh6 19. Nh2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Mekhitarian, Krikor"]
[Black "Dobuchak, Thiago"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. a3 Nb6 13. g5 ({RR} 13. Na5 Rc8 14.
g5 Nh5 15. h4 Ng3 16. Rh2 Nxf1 17. Rxf1 b4 18. axb4 d5 19. exd5 Nxd5 20. Nxd5
Bxd5 21. b3 Qd7 22. Kb2 Qe6 23. c4 Ba8 24. c5 Rfd8 25. Qc3 e4 26. fxe4 Bxe4 27.
Bd4 Bf8 {Caruana,F (2795)-Vachier Lagrave,M (2788) chess.com INT 2016 0-1 (91)}
) 13... Nh5 14. Na5 Qc7 15. Rg1 Rab8 $146 ({RR} 15... Rfc8 16. Kb1 Rab8 17. Nd5
Nxd5 18. exd5 Bxd5 19. Qxd5 Qxa5 20. Bh3 Rc4 21. Be6 Rf8 22. Bg4 Nf4 23. Bxf4
Rxf4 24. Qb7 Bxg5 25. Rxd6 Rf6 26. Rgd1 Rxd6 27. Rxd6 Qe1+ 28. Ka2 Qe2 29. Rxa6
Qxc2 30. Qxb5 {Uesugi,S (2292)-Troff,K (2428) Rockville 2013 0-1 (67)}) 16. Nd5
Nxd5 17. exd5 Bf5 18. Nc6 Ra8 19. Bd3 Bxd3 20. Qxd3 f5 21. Rde1 f4 22. Bf2 g6
23. Kb1 Ng7 24. c4 bxc4 25. Qxc4 Qd7 26. Nxe5 Qf5+ 27. Ka2 Bxg5 28. Nc6 Rf7 29.
Nd4 Qf6 30. Ne6 Bh6 31. Bd4 Qf5 32. Qc6 Rb8 33. Qxd6 Rfb7 34. Nd8 Rd7 35. Qxb8
Qxd5+ 36. Qb3 Qxb3+ 37. Kxb3 Rxd4 38. Rd1 Nf5 39. Ne6 Rxd1 40. Rxd1 Kf7 41. Nc5
Bg7 42. Rd3 a5 43. Nb7 a4+ 44. Kxa4 Bxb2 45. Nd6+ Nxd6 46. Rxd6 g5 47. Kb3 Be5
48. Rc6 g4 49. fxg4 f3 50. h3 f2 51. Rc1 Kf6 52. Rf1 Bg3 53. a4 Kg5 54. a5 Kh4
55. a6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Melo, Igor"]
[Black "Peixoto, Rudson"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O e5 6. c3 Nf6 7. Re1 Be7 8.
d4 Qc7 9. dxe5 dxe5 10. Na3 a6 11. Bg5 Nbd7 12. Qe2 $146 ({RR} 12. Bxf6 Bxf6
13. Nc2 O-O 14. Ne3 Nb6 15. Ng4 Rfd8 16. Nxf6+ gxf6 17. Qc1 Qd7 18. Qh6 Qe6 19.
Nh4 Kh8 20. Nf5 Rg8 21. Re3 Rg6 22. Qh4 Nd7 23. Rh3 Nf8 24. Rd1 Re8 25. Rd6
Qxa2 26. g3 Qc4 {Melo,I (1732)-Peixoto,R (1941) Florianopolis SC 2022 1-0})
12... O-O 13. Nc4 b5 14. Bxf6 Bxf6 15. Ne3 Nb6 16. Rad1 Rad8 17. Rxd8 Rxd8 18.
Rd1 h5 19. Rd2 g6 20. Qd1 Rxd2 21. Qxd2 Qc6 22. h3 Kg7 23. Qc2 c4 24. g3 Na4
25. g4 Qe6 26. g5 Be7 27. Kg2 Nc5 28. Nd5 Nd3 29. b4 f5 30. gxf6+ Bxf6 31. Qd2
Qf7 32. Qe3 Bd8 33. a3 h4 34. Qd2 Qa7 35. Qe3 Qxe3 36. Nxe3 Kf7 37. Nd5 g5 38.
Nd2 Ne1+ 39. Kf1 Nd3 40. Ke2 Kg6 41. Kf3 Kh5 42. Nf1 Nf4 43. Nxf4+ gxf4 44. Nh2
Bf6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Messias, Jose Vitor"]
[Black "Toth, Peter"]
[Result "1/2-1/2"]
[ECO "C32"]
[PlyCount "119"]
[EventDate "2021.??.??"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Qxd5 8.
Nfd2 f5 9. Nc3 Qd4 10. Ndxe4 fxe4 11. Qxe4+ Kd8 12. Qxd4+ Bxd4 13. Bd2 $146 ({
RR} 13. Bd3 b6 14. Ne2 Bf6 15. Be4 c6 16. Bf3 Bf5 17. c3 Kc7 18. Be3 Nd7 19.
O-O-O h5 20. Nd4 Bxd4 21. Bxd4 Nf6 22. Be5+ {1-0 (22) Tiller,B (2390)
-Robertsen,T Tromsoe 1992}) 13... Re8+ 14. Be2 Bd7 15. Kf1 Na6 16. a3 Nc5 17.
Bf3 c6 18. g4 g6 19. Kg2 Kc7 20. Rhe1 b5 21. Nxb5+ cxb5 22. Bxa8 Rxa8 23. Re7
Re8 24. Rae1 Rxe7 25. Rxe7 Kb6 26. c3 Bc6+ 27. Kh3 Ne4 28. Rxe4 Bxe4 29. cxd4
Kc6 30. Kh4 Kd5 31. Kg5 Kxd4 32. Kh6 Kd3 33. Bc3 Ke3 34. Be5 Kf3 35. h3 Kg2 36.
Kg5 Kxh3 37. f5 Bd5 38. f6 Be6 39. Kf4 h6 40. g5 h5 41. Bd4 h4 42. Ke5 Bc4 43.
Kd6 Kg4 44. Ke7 Kxg5 45. f7 Bxf7 46. Kxf7 h3 47. Bg1 a5 48. Kg7 b4 49. a4 b3
50. Bh2 Kf5 51. Kh6 Ke4 52. Kxg6 Kd3 53. Kf5 Kc2 54. Be5 h2 55. Bxh2 Kxb2 56.
Ke4 Ka3 57. Bd6+ Kxa4 58. Kd3 Kb5 59. Kc3 a4 60. Ba3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Monteiro, Marcos Paulo"]
[Black "Paniago, Lucio"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 c6 8. Bd3
O-O 9. Nge2 Ne4 10. Bxe7 Qxe7 11. Bxe4 ({RR} 11. Qc2 Bf5 12. Nf4 Re8 13. O-O
Nd7 14. Rfe1 Qg5 15. f3 Nd6 16. Qf2 Bxd3 17. Nxd3 Qf5 18. Rad1 Re7 19. Qg3 Qf6
20. Nf4 Nf5 21. Qf2 Nb6 22. g3 g5 23. Ng2 Nd6 24. e4 dxe4 25. fxe4 Qxf2+ {
Deac,B (2693)-Wang Hao (2722) Prague CZE 2023 1/2-1/2 (36)}) 11... dxe4 12. O-O
Bg4 ({RR} 12... Nd7 13. Rc1 Nf6 14. Qa4 Bd7 15. Qa5 Rfe8 16. Rfd1 Qd6 {1/2-1/2
(16) Grebnev,A (2525)-Sarana,A (2688) Samarkand UZB 2023}) 13. Qc2 $146 ({RR} 
13. Qb3 Bxe2 14. Nxe2 Na6 15. Rac1 Rab8 16. Rfd1 Nc7 17. Rc5 Nd5 18. Nc3 Nxc3
19. bxc3 Rfe8 20. c4 Qd6 21. Rf5 g6 22. Rf4 f5 23. f3 exf3 24. Rxf3 Qe6 25. d5
cxd5 26. Rxd5 Red8 27. Rf4 Rxd5 {Duda,D (1968)-Zekic,P (1731) Rabac CRO 2021
0-1 (67)}) 13... f5 14. Qb3+ Kh7 15. Nf4 g5 16. Ne6 Re8 17. d5 Qf7 18. dxc6
Rxe6 19. cxb7 Bf3 20. bxa8=Q Qh5 21. Qxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Moyses Sobrinho, Elias"]
[Black "Olivo, Anibal"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "123"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8.
Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nd7 14. O-O
Nc5 ({RR} 14... Nf6 15. Bxf6 Bxf6 16. Rac1 Be6 17. Bxe6 Rxe6 18. Rc7 Rb6 19. b3
Rd8 20. Rfc1 Kg7 21. g4 Rd3 22. Kg2 Rb5 23. g5 Bd8 24. Rc8 h6 25. h4 Rd6 26.
Ra8 hxg5 27. hxg5 f6 28. Rcc8 Be7 29. Rc7 {Cremisi,D (2170)-Ilamparthi,A (2387)
chess.com INT 2023 1/2-1/2 (58)}) 15. Rac1 Nd3 $146 ({RR} 15... Ne6 16. Be3 Nd4
17. Bxd4 exd4 18. Rc7 Be6 19. Rxb7 Bxd5 20. exd5 Red8 21. Rb3 Rxd5 22. Rd3 Rc8
23. b3 Rc3 24. Rfd1 Rdc5 25. Kf1 f5 26. Ke2 Rc2+ 27. R1d2 Rxd2+ 28. Rxd2 Rd5
29. Kd3 Kf7 30. Rc2 {Letourneur,A (1800)-Chiu,A (2022) Clichy 2003 1-0 (61)})
16. Rc7 Be6 17. Bxe6 Rxe6 18. Rxb7 Rc6 19. Rd1 Nc5 20. Rb4 Rb6 21. Rc4 Ne6 22.
b3 Nxg5 23. Nxg5 h6 24. Nf3 Rab8 25. g3 R8b7 26. Rd5 f6 27. Ra5 Rd6 28. Rca4
Rdd7 29. Ra6 Kf7 30. Rc4 Bf8 31. Rcc6 Be7 32. g4 Rd3 33. Kg2 Rbd7 34. h4 R3d6
35. g5 hxg5 36. hxg5 Rxc6 37. Rxc6 Rd6 38. Rc7 Ra6 39. a4 Ke6 40. gxf6 Kxf6 41.
Nd2 Bd6 42. Rb7 Bc5 43. Nc4 Bd4 44. Kf3 Rc6 45. Ke2 Ke6 46. Rb5 a6 47. Rd5 g5
48. Kf3 Kf6 49. Kg4 Re6 50. f3 Rc6 51. Rd8 Kf7 52. Kxg5 Rg6+ 53. Kh5 Rg3 54. b4
Rxf3 55. Rxd4 Rg3 56. Nxe5+ Ke6 57. Ng4 Ra3 58. a5 Rb3 59. Kg5 Rf3 60. Rc4 Kd6
61. e5+ Kd5 62. Rc5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Nascimento, Christian"]
[Black "Trevisan, Rodrigo"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 c5 5. Nc3 e6 6. Nge2 ({RR} 6. Qh5 Nd7 7.
O-O-O f5 8. Bb5 Qf6 9. Nf3 a6 10. Bxd7+ Bxd7 11. Ne5 cxd4 12. Nxd7 Kxd7 13.
Rxd4 Bg7 14. Rb4 b5 15. Rd1 Qg6 16. Nxd5 exd5 17. Rxd5+ Ke7 18. Qh4+ Bf6 19.
Qf4 Bg5 20. Qc7+ Kf8 {Rahman,Z (2470)-Gelfand,B (2764) Tromsoe 2013 1/2-1/2 
(103)}) 6... cxd4 ({RR} 6... Nc6 7. g3 b6 8. Bg2 f5 9. O-O Ba6 10. Re1 Be7 11.
Nf4 Qd7 12. Qh5 Bd6 13. dxc5 bxc5 14. Rad1 Bxf4 15. Nxd5 exd5 16. exf4+ Ne7 17.
Rxd5 Qc7 18. Rde5 O-O-O 19. Rxe7 Qd6 20. Qxf5+ Kb8 21. Qe4 {Hall,J (2492)
-Wadsworth,M (2416) lichess.org INT 2020 1-0}) 7. Nxd4 Nc6 8. g3 Bg7 $146 ({RR
} 8... Qb6 9. a3 Bd7 10. Rb1 Nxd4 11. exd4 Rc8 12. Bh3 f5 13. O-O Bg7 14. Ne2
h5 15. c3 h4 16. Nf4 hxg3 17. hxg3 Qd8 18. Re1 Kf8 19. Qf3 Qg5 20. Qe3 Bf6 21.
Kg2 Kg7 22. Nd3 Qxe3 23. Rxe3 {Raptis,G (2140)-Moskalenko,V (2500) Chalkida
1998 0-1 (51)}) 9. Qg4 O-O 10. O-O-O f5 11. Qh5 Nxd4 12. exd4 Bd7 13. g4 fxg4
14. h3 g3 15. Bd3 f5 16. fxg3 Bxd4 17. Qf3 Bxc3 18. bxc3 Qa5 19. g4 Rac8 20.
gxf5 Qa3+ 21. Kb1 Qxc3 22. Qg4+ Kf7 23. fxe6+ Bxe6 24. Bf5 Bxf5 25. Qxf5+ Kg7
26. Qg4+ Kh8 27. Qd4+ Qxd4 28. Rxd4 Rf5 29. Re1 Rc4 30. Re8+ Kg7 31. Re7+ Rf7
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Nascimento, Davi Araujo"]
[Black "dos Anjos, Avner Augusto"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nc7 7. d3 ({RR} 7.
O-O g6 8. d3 Bg7 9. Ne4 Ne6 10. Nf4 Qb6 11. c3 Nxf4 12. Bxf4 f5 13. Ng5 h6 14.
Nf3 Qxb2 15. d4 cxd4 16. cxd4 Nxd4 17. Rb1 Ne2+ 18. Kh1 Nc3 19. Rxb2 Nxd1 20.
Rc2 Nc3 21. Rfc1 Bd7 {Chigaev,M (2643)-Yatzenko,A (2360) St Petersburg RUS
2019 1-0 (35)}) 7... e5 8. Be3 Nd4 $146 ({RR} 8... Bg4 9. h3 Bh5 10. g4 Bg6 11.
f4 exf4 12. Nxf4 Bd6 13. Qe2 O-O 14. O-O Qd7 15. Ne4 Bxe4 16. dxe4 Ne5 17. Rad1
Qc6 18. Nd5 Ne6 19. Rf5 Rfe8 20. c3 Rad8 21. Bf2 Nc7 22. Bg3 c4 23. Bxe5 {
Olea Perez,M-Castro Perez,M Gijon 1994 1-0 (33)}) ({RR} 8... Be7 9. O-O O-O 10.
Qd2 Ne6 11. Nd5 Bd6 12. c3 b6 13. f4 exf4 14. Nexf4 Nxf4 15. Bxf4 Bb7 16. Rae1
Kh8 17. Be4 Bxf4 18. Qxf4 f5 19. Bg2 Nb4 20. Nxb4 Bxg2 21. Kxg2 cxb4 22. Qxb4
Qxd3 23. Qd4 {Hu,J-Calzetta Ruiz,M (2218) Santa Cruz de La Palma ESP 2023 1/
2-1/2}) 9. Qd2 Bg4 10. Bxd4 cxd4 11. Ne4 Be7 12. f4 f5 13. Nf2 Bxe2 14. Qxe2
Bb4+ 15. c3 dxc3 16. Qxe5+ Qe7 17. Qxe7+ Kxe7 18. O-O-O cxb2+ 19. Kxb2 Nb5 20.
Bxb7 Rab8 21. Ba6 Nd4 22. Kc1 Rb6 23. Bc4 Rhb8 24. Rd2 Bxd2+ 25. Kxd2 Rb2+ 26.
Ke3 Nc2+ 27. Kf3 Rb1 28. Rxb1 Rxb1 29. h3 Kd6 30. g4 Nd4+ 31. Ke3 Kc5 32. gxf5
Re1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Nemeth Jr, Henrique"]
[Black "Cardoso, Lucas do Valle"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 a6 ({RR} 
7... h6 8. g3 O-O 9. Bg2 Nh7 10. Nh4 Qf6 11. O-O g5 12. Nf5 Bxf5 13. exf5 Qxf5
14. f4 exf4 15. gxf4 g4 16. Rb1 Rab8 17. Rb5 Qd7 18. Rh5 f5 19. Rxh6 Kg7 20.
Rh4 Qe7 21. Qe1 Qxe1 22. Rxe1 {Nepomniachtchi,I (2784)-Andriasian,Z (2606)
chess.com INT 2020 1/2-1/2 (48)}) 8. a4 $146 ({RR} 8. g3 Rb8 9. a4 a5 10. Bg2
O-O 11. O-O Nd7 12. d4 Re8 13. Re1 h6 14. Ba3 b6 15. Rb1 Ba6 16. Qb3 Nf6 17.
dxe5 Nxe5 18. Nxe5 dxe5 19. Rbd1 Qc8 20. Rd5 Nxd5 21. cxd5 Qd7 22. c4 c6 {
Zavortink,M (2193)-Di Berardino,D (2476) chess.com INT 2023 0-1}) 8... O-O 9.
h3 h6 10. g4 Nh7 11. Be3 Qf6 12. Be2 Nd8 13. Rg1 Ne6 14. h4 g5 15. Qd2 Nf4 16.
Bxf4 exf4 17. Nd4 Bd7 18. hxg5 hxg5 19. Nf5 b5 20. f3 bxc4 21. d4 Rfe8 22. Kf2
d5 23. e5 Qg6 24. Qc2 Bxf5 25. gxf5 Qg7 26. f6 Nxf6 27. exf6 Qxf6 28. Rh1 Kf8
29. Qh7 Ke7 30. Qh6 Rab8 31. Bf1 Rb2+ 32. Kg1 Qe6 33. Qxe6+ fxe6 34. Re1 Kd6
35. Rh6 g4 36. fxg4 c5 37. g5 cxd4 38. cxd4 f3 39. Re3 Rb3 40. Kf2 c3 41. Bd3
Rb2+ 42. Kxf3 Rb4 43. g6 Rxd4 44. g7 Rg8 45. Rhxe6+ Kc5 46. Re7 Rh4 47. Bf5 d4
48. R3e5+ Kb4 49. Rb7+ Ka3 50. Re1 Rh2 51. Be6 Ra2 52. Bxg8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Neves, Andrey de Souza"]
[Black "Andrade, Guilherme Souza"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Nc6 8. exd6
Qxd6 9. O-O Bg4 10. d4 cxd3 11. Qxd3 Qxd3 12. Bxd3 Bxf3 13. gxf3 Rd8 $146 ({RR
} 13... O-O-O 14. Be2 e6 15. a4 Nd5 16. a5 Bd6 17. a6 b6 18. Na3 Nf4 19. Bb5
Na5 20. Re1 Nb3 21. Bxf4 Bxf4 22. Rad1 Nd2 23. Kg2 Rd5 24. h4 Rhd8 25. Bc6 Rh5
26. Rh1 Kc7 27. Bb7 b5 {0-1 (27) Sveshnikov,E (2478)-Abasov,N (2668) lichess.
org INT 2020}) ({RR} 13... O-O-O 14. Be2 e6 15. Nd2 h6 16. Nb3 Bd6 17. Be3 Nd5
18. Rad1 Bc7 19. Kg2 Nce7 20. Bc4 Nxe3+ 21. fxe3 Nf5 22. Rde1 Nd6 23. Be2 e5
24. e4 Bb6 25. Rd1 f6 26. Rd5 Nf7 27. Rfd1 Rxd5 28. exd5 {Turicar,G (1802)
-Rama,L (2156) Hvar CRO 2023 1/2-1/2 (41)}) 14. Be2 e6 15. a4 Nd5 16. b4 Bd6
17. a5 a6 18. b5 Nb8 19. Ra4 axb5 20. Bxb5+ Nd7 21. c4 Nc7 22. Rd1 Ke7 23. Nc3
Nc5 24. Ra3 Be5 25. Be3 Rxd1+ 26. Nxd1 N7a6 27. Bxa6 Nxa6 28. Rb3 Rc8 29. Rxb7+
Kf6 30. f4 Bc7 31. Rb5 Ra8 32. Nc3 Nb8 33. Bd4+ Ke7 34. Rb7 Kd8 35. Bb6 Bxb6
36. axb6 Nd7 37. Ne4 Ra1+ 38. Kg2 Rc1 39. c5 Nxc5 40. Nxc5 Rxc5 41. Rxf7 Rb5
42. b7 g5 43. Rf8+ Kc7 44. b8=Q+ Rxb8 45. Rxb8 Kxb8 46. fxg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Nunes Jr, Sidney"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qe2 O-O 7. h3 d6 ({RR} 
7... e5 8. d3 d6 9. a4 h6 10. Nbd2 Na5 11. Bc4 Nh5 12. Nb3 Nxc4 13. dxc4 Be6
14. Be3 Qe8 15. Nh2 f5 16. Rfd1 Qf7 17. Nc1 Bxc4 18. Qe1 Rad8 19. f3 fxe4 20.
fxe4 Nf4 21. Bxf4 exf4 22. Nf3 {Andriasian,Z (2621)-Zhigalko,S (2671) Tallinn
2016 0-1 (45)}) ({RR} 7... a6 8. Bxc6 bxc6 9. d3 d6 10. Be3 Rb8 11. Na3 e5 12.
Nc4 Ne8 13. a4 f5 14. a5 f4 15. Bd2 g5 16. Nb6 Be6 17. d4 cxd4 18. cxd4 exd4
19. Qxa6 h5 20. Qd3 g4 21. hxg4 hxg4 22. Nxd4 {Bezerra,N (1991)-Manukyan,S 
(2253) chess.com INT 2023 0-1}) 8. Rd1 Qc7 9. d4 cxd4 $146 ({RR} 9... a6 10.
Ba4 b5 11. Bc2 e5 {1/2-1/2 (11) Fercec,N (2451)-Sale,S (2446) Bosnjaci CRO 2019
}) 10. cxd4 Bd7 11. Nc3 a6 12. Bd3 e6 13. Bg5 Rac8 14. Rac1 Qb8 15. Bb1 b5 16.
Qe3 Rfe8 17. Qf4 e5 18. dxe5 dxe5 19. Qh4 h6 20. Bxf6 g5 21. Nxg5 Bxf6 22. Qxh6
Bxg5 23. Qxg5+ Kh7 24. Rd2 Rf8 25. Nd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Nunes, Gustavo Morais"]
[Black "Fonseca, Rogerio"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c5 3. dxc5 e5 ({RR} 3... d4 4. Nf3 Nc6 5. e3 e5 6. exd4 e4 7. d5
exf3 8. dxc6 Qxd1+ 9. Kxd1 Bg4 10. Kc2 bxc6 11. Be3 Bf5+ 12. Kc1 Be4 13. gxf3
Bxf3 14. Rg1 Nf6 15. Nd2 Bg4 16. Bg2 Bd7 17. b4 Ng4 18. Bxc6 {Nakamura,H (2520)
-Glek,I (2576) Dos Hermanas 2003 1-0 (38)}) 4. cxd5 ({RR} 4. Qxd5 Qxd5 5. cxd5
Bxc5 6. Nf3 Nf6 7. e4 Nxe4 8. Nxe5 Nxf2 9. Rg1 Nd3+ 10. Nxd3 Bxg1 11. h3 O-O
12. Nc3 b6 13. Bf4 Bb7 14. O-O-O Nd7 15. Be2 Bd4 16. Rf1 Rac8 17. Bd2 Bxd5 18.
Kb1 Bxg2 {Keech,G (64)-Luo,Y (75) Daventry 2017 1/2-1/2 (75)}) 4... Bxc5 $146 (
{RR} 4... Bf5 5. Nf3 Bxb1 6. Rxb1 f6 7. b4 Qe7 8. e4 b6 9. Bb5+ Kd8 10. d6 Qe6
11. a3 Nh6 12. O-O Nf7 13. Be3 Qc4 14. Bxc4 Kd7 15. Bb5+ Kd8 16. d7 Nxd7 17.
Bxd7 Rb8 18. c6 Kc7 19. Rc1 {Gerdts,M (780)-Wolf,I (800) Germany 2011 1-0}) 5.
e4 Qf6 6. Nf3 Ne7 7. Bb5+ Bd7 8. Qe2 O-O 9. O-O a6 10. Bxd7 Nxd7 11. Nc3 Ng6
12. g3 b5 13. Be3 Bxe3 14. Qxe3 Qd6 15. Rac1 Nb6 16. b3 f5 17. exf5 Rxf5 18.
Ne4 Qd8 19. d6 Nd5 20. Qd3 Ndf4 21. gxf4 Nxf4 22. Qe3 Rc8 23. Rxc8 Qxc8 24.
Nxe5 Nd5 25. Qd4 Qe6 26. d7 Rxe5 27. d8=Q+ Kf7 28. Ng3 Nf6 29. Qc7+ Nd7 30.
Qdxd7+ Qe7 31. Qxe7+ Rxe7 32. Qf4+ Kg8 33. Rd1 h6 34. Rd8+ Kh7 35. Qf5+ g6 36.
Qf8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Okamura, Milton"]
[Black "Damasceno, Enzo"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O
dxc4 9. Bxc4 b5 10. Be2 Bb7 11. Rd1 Qc7 12. e4 e5 13. Bg5 exd4 14. Rxd4 Ne5 15.
Bxf6 gxf6 16. h3 ({RR} 16. g3 Nxf3+ 17. Bxf3 Be5 18. Rd2 Rad8 19. Rad1 Bc8 20.
Ne2 c5 21. Rxd8 Rxd8 22. Rxd8+ Qxd8 23. Qxc5 Bh3 24. Nf4 Bxf4 25. Qh5 Qd3 26.
Qxh3 Qxf3 27. Qc8+ Kg7 28. gxf4 Qxe4 29. Qg4+ Qg6 30. f3 h5 {Onischuk,A (2669)
-Jakovenko,D (2716) Poikovsky 2011 1/2-1/2 (34)}) ({RR} 16. g3 Bc5 17. Rd2 Rad8
18. Nh4 Bc8 19. Kg2 Qb6 20. Rad1 Rxd2 21. Qxd2 Kg7 {1/2-1/2 (21) Gong,S (2175)
-Gong,C (2206) Hohhot CHN 2023}) 16... Bc5 17. Rd2 Rad8 $146 ({RR} 17... Ng6
18. Bf1 a6 19. Rad1 Bc8 20. Nd4 Ne5 21. Kh1 Bb6 22. f4 Ng6 23. g3 h5 24. h4 Kh7
25. Be2 Rh8 26. Nf5 Bxf5 27. exf5 Nxf4 28. gxf4 Qxf4 29. Qe4 Qg3 30. Rd3 Qf2
31. Rf1 Qc5 32. b4 {Schmidt,W (2331)-Kowalczyk,R (2195) Poronin 2014 1-0 (34)})
18. Rc1 Qb6 19. Nd1 Bb4 20. Rxd8 Rxd8 21. Ne3 Nxf3+ 22. Bxf3 Bd2 23. Rd1
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Oliveira, Aquiles"]
[Black "Lima, Carlos Eduardo A"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Bg4 6. Be3 Nf6 7. Nbd2 Nbd7
8. a4 ({RR} 8. Be2 e6 9. Nd4 Bxe2+ 10. Kxe2 O-O-O 11. f3 Bc5 12. c3 Ne5 13.
Rhd1 Bb6 14. h3 h6 15. Nc2 Bxe3 16. Nxe3 Nh5 17. Ndc4 Nd3 18. Rd2 Ng3+ 19. Kd1
b5 20. Na5 Nxb2+ 21. Kc2 Rxd2+ 22. Kxd2 Kc7 {Chmura,E (1752)-Nagly,W (1833)
Jastrzebia Gora POL 2023 0-1 (60)}) 8... e6 9. Bd3 Nc5 10. Ke2 Be7 $146 ({RR} 
10... Bh5 11. a5 Ng4 12. Bd4 O-O-O 13. h3 Nf6 14. g4 Bg6 15. Ke3 Nfd7 16. Bc4
e5 17. Bc3 Nf6 18. Bd3 Ncxe4 19. Nxe4 Nxe4 20. Bxe4 Bc5+ 21. Bd4 exd4+ {
0-1 (21) Van Foreest,L (2528)-Willemze,T (2390) Netherlands NED 2019}) 11. c3
O-O 12. Bc2 Rfd8 13. Rhd1 Bh5 14. h3 Bg6 15. Bxc5 Bxc5 16. Ne5 Bb6 17. Nxg6
hxg6 18. Nc4 Bc7 19. a5 Kf8 20. b4 Ke7 21. Ke3 g5 22. Rxd8 Rxd8 23. Rd1 Nd7 24.
Ke2 Rh8 25. f3 Ne5 26. Nxe5 Bxe5 27. Rd3 c5 28. Ba4 Rd8 29. Rxd8 Kxd8 30. Kd3
cxb4 31. cxb4 Kc7 32. Kc4 Kd6 33. b5 b6 34. a6 Bg3 35. Bc2 Bf2 36. Bb3 Ke5 37.
Kd3 Kf4 38. Ke2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Oliveira, Tobias Luiz"]
[Black "Sopko, Cassio Roberto"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6
8. Qd2 Be6 9. Bd3 ({RR} 9. O-O-O Qd7 10. Kb1 a6 11. h4 h6 12. Bd3 Ne5 13. Nxe5
dxe5 14. Qe2 O-O-O 15. f3 h5 16. Bf2 Qa4 17. c4 Bf6 18. b3 Qa5 19. Be4 Qc3 20.
Be3 Rxd1+ 21. Rxd1 Rd8 22. Rxd8+ Bxd8 23. Bd2 Qd4 {Nisipeanu,L (2690)-Erenburg,
S (2582) Germany 2007 1/2-1/2}) 9... Qd7 10. Qe2 $146 ({RR} 10. O-O O-O 11. Ng5
Bxg5 12. Bxg5 Ne5 13. Be2 Bc4 14. Rae1 Bxe2 15. Rxe2 Rae8 16. Rfe1 Nc4 17. Qc1
Rxe2 18. Rxe2 Re8 19. Be3 f5 20. b3 Nxe3 21. Rxe3 Rxe3 22. Qxe3 a6 23. f4 Kf7
24. Kf2 Qe6 {Tartakower,S-Zuckerbaecker,L Vienna 1914 1/2-1/2}) ({RR} 10. O-O-O
O-O-O 11. Ng5 Bxg5 12. Bxg5 f6 13. Bf4 Ne5 14. Be2 Qc6 15. f3 Bc4 16. Bg3 Qa6
17. Bd3 Qxa2 18. Bf5+ Kb8 19. Qd4 Be2 20. b3 Bxd1 21. Rxd1 Qa1+ 22. Kd2 Qa5 23.
Bf2 Nc6 24. Qg4 g6 {Pasti,A (2354)-Akshit,K (2169) Arad ROU 2023 0-1}) 10... a6
11. a3 O-O 12. O-O-O b5 13. Nd4 Ne5 14. f3 Nxd3+ 15. Qxd3 Bf6 16. Nxe6 Qxe6 17.
Bd4 Bxd4 18. Qxd4 Rfe8 19. Rhe1 Qh6+ 20. Kb1 Qxh2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Paludo, Nicolas"]
[Black "Vargas, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 Bg7 7. Be3 d6 8.
Be2 Nf6 9. Qd2 O-O 10. Bh6 Rb8 11. Bxg7 Kxg7 12. Rb1 ({RR} 12. b3 Qa5 13. f3 e5
14. Rd1 Bb7 15. g4 Rbd8 16. h4 d5 17. exd5 cxd5 18. h5 d4 19. Ne4 Qxd2+ 20.
Nxd2 Nxg4 21. hxg6 hxg6 22. Rh3 Ne3 23. Rc1 Rh8 24. Rxh8 Rxh8 25. Nc4 Rh1+ 26.
Kd2 Rxc1 {Wadifa,A (1786)-Masum,H (2003) Dhaka BAN 2022 0-1 (38)}) 12... Qa5
13. O-O Ba6 $146 ({RR} 13... Bg4 14. Bxg4 Nxg4 15. Rfd1 Kg8 16. Qf4 h5 17. h3
Ne5 18. a3 Nc4 19. Qc1 Nxb2 20. Rxb2 Qxc3 21. Rxb8 Rxb8 22. Rd3 Qc4 23. f3 Qc5+
24. Kh1 Qf2 25. Rd2 Qe3 26. Rd1 Qxc1 27. Rxc1 Rb2 28. c4 {Megha Chakraborty 
(1232)-Sahin,H (1788) Tornelo INT 2020 0-1 (47)}) 14. Bxa6 Qxa6 15. Qd3 Qb6 16.
Kh1 Ng4 17. Qg3 Ne5 18. Ne2 Qc5 19. f4 Qxc2 20. fxe5 Qxe2 21. exd6 exd6 22.
Qxd6 Qxe4 23. Rbe1 Qd5 24. Qf6+ Kg8 25. a3 Rfe8 26. Rd1 Qe6 27. Qxe6 Rxe6 28.
Rf2 Rbe8 29. g3 Re1+ 30. Rxe1 Rxe1+ 31. Kg2 Kf8 32. Rc2 Re6 33. Kf3 Ke7 34. Rc5
Kd6 35. b4 Re5 36. Rc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pasqualotto, Amos"]
[Black "Freitas, Filipe"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "150"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nc6 7. a3 a6 8. Bd3 ({
RR} 8. Qc2 h6 9. Bh4 Re8 10. Rd1 Rb8 11. Be2 dxc4 12. Bxc4 b5 13. Bd3 Bb7 14.
Bxf6 Bxf6 15. Ne4 Be7 16. O-O Qd5 17. Ned2 Qd7 18. Rc1 Bd6 19. Bh7+ Kh8 20. Be4
Ne7 21. Bxb7 Rxb7 22. Ne4 b4 {Gelfand,B (2676)-Radjabov,T (2759) Moscow RUS
2019 0-1 (53)}) ({RR} 8. Qc2 dxc4 9. Bxc4 b5 10. Ba2 Bb7 11. Rd1 b4 12. Bb1 g6
13. Bxf6 Bxf6 14. Ne4 bxa3 15. bxa3 Be7 16. Nc5 Bxc5 17. dxc5 Qf6 18. h4 Rfd8
19. Qb3 Rxd1+ 20. Kxd1 Rd8+ 21. Ke2 Na5 22. Qb4 Bc6 {Gonzalez,F (2037)
-Hirneise,J (2313) chess.com INT 2022 0-1 (54)}) 8... h6 9. Bh4 dxc4 10. Bxc4
b5 $146 ({RR} 10... Re8 11. O-O Bd7 12. Rc1 Nh7 13. Bxe7 Qxe7 14. Bd3 Ng5 15.
Bb1 Qf6 16. Nxg5 Qxg5 17. Ne4 Qb5 18. Qc2 b6 19. Nc3 Qg5 20. f4 Qh5 21. Rf3 Qh4
22. Rh3 Qd8 23. Qh7+ Kf8 24. Rg3 g6 25. Qxh6+ {Gonzalez Berruga,A (1810)
-Gonzalez Campo,G Toledo 2003 1-0 (36)}) 11. Bd3 Bb7 12. O-O Nd5 13. Bxe7 Ncxe7
14. Rc1 Rc8 15. Ne5 Nc6 16. Nxc6 Bxc6 17. Ne4 Ba8 18. Nc5 Qg5 19. Be4 a5 20.
Bf3 Rfd8 21. Nd3 Nxe3 22. fxe3 Qxe3+ 23. Kh1 Rxd4 24. Bxa8 Rxd3 25. Qf3 Rcd8
26. Qxe3 Rxe3 27. Bf3 Rc8 28. Kg1 c5 29. Kf2 Rb3 30. Rc2 g6 31. Rd1 f5 32. Rd7
c4 33. Rdd2 c3 34. Rxc3 Rbxc3 35. bxc3 Rxc3 36. Ra2 b4 37. axb4 axb4 38. Rb2 b3
39. Bd1 e5 40. Bxb3+ Kg7 41. Bd1 e4 42. g3 g5 43. Rb7+ Kf6 44. Rb6+ Kg7 45. Ke2
h5 46. Kd2 Rd3+ 47. Ke2 h4 48. gxh4 gxh4 49. Rb2 Kf6 50. Ke1 Kg5 51. Rg2+ Kf6
52. Be2 Re3 53. Kf2 f4 54. Rg4 Ke5 55. Rxh4 Ra3 56. Rh5+ Kd4 57. Rh8 Ra2 58. h4
f3 59. Rd8+ Kc5 60. Rc8+ Kd6 61. Re8 Rxe2+ 62. Kf1 e3 63. h5 Rf2+ 64. Ke1 Re2+
65. Kf1 Kd5 66. h6 Kd4 67. h7 Rh2 68. h8=Q+ Rxh8 69. Rxh8 Kd3 70. Rd8+ Ke4 71.
Ra8 Kd3 72. Ra3+ Kd2 73. Ra2+ Kd3 74. Ra3+ Ke4 75. Ra4+ Kd3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Passos, Rafael Moreira"]
[Black "Ferreira, Thales"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bg2 O-O 7. Nf3 c6 8.
O-O Nbd7 9. Qc2 Re8 ({RR} 9... b6 10. cxd5 cxd5 11. Nc3 a6 12. Rfc1 Bb7 13. Qb3
Qe7 14. Rc2 Rfc8 15. Rac1 g6 16. e3 Kg7 17. a3 Qd6 18. Ne2 Rxc2 19. Rxc2 Rc8
20. Rxc8 Bxc8 21. Qc2 Bb7 22. Nc3 Qc7 23. Nd2 Ne8 24. Qb3 {Sakaev,K (2584)
-Zvjaginsev,V (2644) Yaroslavl RUS 2019 1/2-1/2}) 10. Nbd2 b6 $146 ({RR} 10...
Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qf4 Bd7 15. Rfe1 Qb4 16. Ne5
Red8 17. a3 Qxb2 18. Rab1 Qxa3 19. Rxb7 Rac8 20. g4 Qa6 21. Rb3 Be8 22. Rh3 Qa5
23. Rc1 Qb6 24. Rd1 Nd7 25. Be4 {Orso,M-Ortel,E (2330) Jaszbereny 1977 1-0}) ({
RR} 10... e5 11. cxd5 Nxd5 12. e4 N5f6 13. dxe5 Nxe5 14. Nxe5 Rxe5 15. Nc4 Rh5
16. Rad1 Qc7 17. Nd6 Be6 18. Rd2 h6 19. Rfd1 Bg4 20. Re1 Qb6 21. e5 Nd5 22. Qe4
Be6 23. h4 g6 24. Bf3 Rf5 25. Nxf5 {Tilicheev,V (2489)-Tomic,M (1634)
Dimitrovgrad BUL 2023 1-0 (31)}) 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Bb7 14. Ne5
Nf6 15. Qf4 Rc8 16. Rad1 Qe7 17. Rfe1 c5 18. Bxb7 Qxb7 19. dxc5 bxc5 20. Rd2
Red8 21. Red1 Rxd2 22. Rxd2 h6 23. g4 Qc7 24. Qe3 Rd8 25. Rxd8+ Qxd8 26. Qxc5
Qd1+ 27. Kg2 Nxg4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pereira, Geanfrancesco"]
[Black "da Rosa, Henrique"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. c4 Nf6 4. Nc3 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4
O-O ({RR} 8... Bd4 9. Rb1 Bg4 10. Be2 Bxf3 11. Bxf3 Qe7 12. g3 a5 13. Bd2 axb4
14. axb4 O-O 15. O-O Nd7 16. Bg2 Nb6 17. Nc3 Bxc3 18. Bxc3 Ra2 19. Ra1 Rxa1 20.
Qxa1 Ra8 21. Qb2 Qe8 22. Bd2 Nd4 23. Be3 {Nepomniachtchi,I (2784)-Giri,A (2764)
chess.com INT 2020 0-1 (49)}) 9. Nxb6 axb6 10. Bb2 Ne8 $146 ({RR} 10... Bg4 11.
Be2 Ne7 12. h3 Bd7 13. Nh4 b5 14. c5 Ng6 15. Nxg6 hxg6 16. O-O Re8 17. f4 Bc6
18. fxe5 dxe5 19. Qe1 Nh7 20. Rd1 Qe7 21. Rd2 Rad8 22. Bd1 Bd7 23. Qg3 Qg5 24.
Qf2 f6 25. Bc1 {Nepomniachtchi,I (2784)-Karjakin,S (2752) lichess.org INT 2020
1/2-1/2 (65)}) ({RR} 10... Bg4 11. Be2 Nd7 12. b5 Bxf3 13. Bxf3 Nd4 14. Bg4 Nc5
15. O-O c6 16. f4 cxb5 17. cxb5 Nxb5 18. Kh1 Nd4 19. Bxd4 exd4 20. Rf3 Ra5 21.
Rh3 Qf6 22. Rh5 Qxf4 23. Rf5 Qe3 24. Rf3 Qg5 25. Rf5 {Yang Kaiqi (2481)
-Jumabayev,R (2631) chess.com INT 2022 0-1 (38)}) 11. d4 Bg4 12. d5 Ne7 13. Be2
f5 14. Ng5 Bxe2 15. Qxe2 Qd7 16. Ne6 Rf7 17. exf5 Nxf5 18. O-O Nf6 19. f4 exf4
20. Rxf4 Ne8 21. Raf1 Nh6 22. Rxf7 Nxf7 23. Qg4 g6 24. Qd4 Qe7 25. Rxf7 Kxf7
26. Qh8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pereira, Mateus Oliveira"]
[Black "Lima, Lucas Taveira"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Nc3 Qf6 7. Qe2 ({RR
} 7. Qf3 Bd4 8. Bd2 Qxf3 9. gxf3 Rb8 10. Na4 Ne7 11. Ba5 Bb6 12. Bc3 f6 13. h4
d5 14. h5 Kf7 15. b4 Be6 16. Bd3 a5 17. a3 axb4 18. axb4 Rhd8 19. Ke2 Ra8 20.
Nxb6 cxb6 21. Rxa8 Rxa8 {Caruana,F (2786)-Ponomariov,R (2741) Tashkent 2012 1/
2-1/2 (40)}) 7... d6 ({RR} 7... Ne7 8. e5 Qe6 9. Bf4 O-O 10. O-O-O Rb8 11. Qc4
Bxf2 12. Ne4 Ng6 13. Nxf2 Qxc4 14. Bxc4 Nxf4 15. g3 Ne6 16. Ng4 Rb4 17. b3 Rd8
18. a3 Rb8 19. Kb2 d5 20. exd6 cxd6 21. Bd3 Nc5 22. Be2 {Diaz Moya,J-Cruz Pino,
A (2054) lichess.org INT 2022 0-1 (60)}) 8. Be3 Bb6 $146 ({RR} 8... Bxe3 9.
Qxe3 Ne7 10. O-O-O O-O 11. Bc4 Be6 12. Bxe6 fxe6 13. Rhf1 d5 14. e5 Qf5 15. Qc5
Ng6 16. Qxc6 Rfc8 17. Rd3 Qxe5 18. Re3 Qf4 19. Qxe6+ Qf7 20. Nxd5 Qxe6 21. Rxe6
Kf7 22. Rfe1 c6 23. Nb4 {Stejskal,J-Mersmann,M Friedrichroda 1997 1-0 (46)}) 9.
g3 Ne7 10. Bg2 O-O 11. O-O Ng6 12. Qf3 Qxf3 13. Bxf3 Bh3 14. Rfe1 Ne5 15. Bg2
Bxg2 16. Kxg2 Nc4 17. Bxb6 cxb6 18. b3 Ne5 19. h3 f6 20. f4 Nf7 21. a3 Rfe8 22.
b4 b5 23. a4 a6 24. axb5 axb5 25. Rxa8 Rxa8 26. g4 Ra3 27. Re3 g5 28. f5 Ne5
29. Nd1 Rxe3 30. Nxe3 Kf7 31. Kg3 Ke7 32. h4 h6 33. hxg5 hxg5 34. Nd1 Kd7 35.
Ne3 Kc7 36. Kf2 Kb6 37. Ke2 Nc4 38. Nxc4+ bxc4 39. c3 Kb5 40. Ke3 Ka4 41. Ke2
Kb3 42. Kd2 Kb2 43. Kd1 Kxc3 44. Kc1 Kxb4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pimentel, Lucas Santos"]
[Black "do Nascimento, Maycon"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. c3 d5 ({RR} 5... Nxe4 6. Qe1 d5 7.
Bb5 O-O 8. d3 Nd6 9. Bxc6 bxc6 10. Qxe5 Re8 11. Qg5 f6 12. Qh4 Ba6 13. Rd1 Re2
14. d4 Re4 15. dxc5 Rxh4 16. Nxh4 Qe7 17. Be3 Nc4 18. Re1 Nxb2 19. Nf5 Qd7 20.
Ng3 {Radulovic,B (2308)-Georgiev,K (2665) Sibenik 2008 0-1 (32)}) 6. exd5 Nxd5
7. d4 ({RR} 7. b4 Bb6 8. d4 exd4 9. Re1+ Nce7 10. cxd4 O-O 11. b5 h6 12. Qc2
Bg4 13. Ne5 Bf5 14. Qb3 Bxd4 15. Bb2 Bxb2 16. Qxb2 Nb6 17. Bb3 Ng6 18. Nxg6
Bxg6 19. Nd2 Qg5 20. Re3 Kh7 21. Rc1 Rac8 {Monteiro,C (1318)-Fernandes,R (1818)
Caparica 2017 0-1 (42)}) 7... Bd6 $146 ({RR} 7... f6 8. dxc5 Be6 9. Re1 Qd7 10.
Nbd2 Nf4 11. Bxe6 Qxe6 12. Nf1 O-O 13. Bxf4 Qg4 {1-0 (13) Galuscak,V (1814)
-Zukauskas,E Panevezys 2010}) 8. Bxd5 Bd7 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Re1
O-O 12. Rxe5 Qf6 13. Re2 c6 14. Bf3 a5 15. Be3 Rac8 16. Na3 Rfd8 17. Nc4 Qf5
18. Qc2 Re8 19. Rae1 g5 20. Qxf5 Bxf5 21. Bxg5 Rxe2 22. Rxe2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pinto, Pedro Jorge M"]
[Black "Borges, Ivoney"]
[Result "1-0"]
[ECO "A54"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 g6 5. Bg5 Bg7 6. e4 O-O 7. Qd2 c5 8. d5
Ng4 ({RR} 8... Re8 9. Bh6 Bh8 10. h3 Nf8 11. Be2 e6 12. dxe6 Bxe6 13. Rd1 Qa5
14. O-O Rad8 15. Bf4 b5 16. cxb5 d5 17. Nxd5 Qxd2 18. Nxf6+ Bxf6 19. Rxd2 Rxd2
20. Nxd2 Bxb2 21. a4 Bd4 22. Kh1 Nd7 23. f3 {Sardon,A (1081)-Zapata Romero,I 
(1554) Auditorio Colegio Saco Oliver 2023 1/2-1/2 (52)}) 9. h3 Nge5 10. Nxe5
Bxe5 $146 ({RR} 10... Nxe5 11. Bh6 f5 12. Bxg7 Kxg7 13. f4 Nf7 14. Bd3 e5 15.
O-O-O exf4 16. exf5 Ne5 17. fxg6 hxg6 18. Rhf1 f3 19. gxf3 Bxh3 20. Rh1 Nxf3
21. Qe3 Qg5 22. Qxg5 Nxg5 23. Rdg1 Bf5 24. Bxf5 Rxf5 25. Nb5 {Zubia Aramburu,M
(1863)-Goni Garmendia,A (1847) Zarautz 2009 0-1 (33)}) 11. Bd3 a6 12. O-O Bd4
13. Kh1 Bg7 14. f4 f6 15. Bh4 Qe8 16. Rae1 h6 17. Bg3 g5 18. e5 dxe5 19. fxe5
fxe5 20. Qe3 Bf6 21. d6 exd6 22. Qe4 Qf7 23. Nd5 Qg7 24. Nc7 Nb6 25. Nxa8 Nxa8
26. Qd5+ Kh8 27. Qxd6 Rd8 28. Qxd8+ Bxd8 29. Bxe5 Qxe5 30. Rxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pironti, Francisco"]
[Black "Carvalho, Willian"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. Nge2 Ng4 ({RR} 5... a6 6. Ng3
Qc6 7. Bf1 e5 8. Qe2 Be6 9. d3 Nbd7 10. Bd2 Be7 11. O-O-O O-O-O 12. Nge4 Nd5
13. Nxd5 Bxd5 14. Nc3 Be6 15. Rg1 Bc5 16. g3 Bd4 17. Bg2 Qb6 18. Na4 Qd6 19.
Kb1 h5 20. a3 {Podlesnik,B (2403)-Sermek,D (2545) Bled 1999 1/2-1/2 (43)}) ({RR
} 5... c6 6. d4 Bf5 7. Bf4 Qd8 8. Qd2 e6 9. f3 Bb4 10. a3 Bxc3 11. Nxc3 O-O 12.
O-O-O b5 13. Bb3 a5 14. g4 b4 15. gxf5 bxc3 16. Qxc3 exf5 17. Bg5 a4 18. Ba2
Nbd7 19. Rhg1 Qa5 20. Qc4 {Richter,P (2171)-Sailer,M (2109) chess.com INT 2023
1-0 (39)}) 6. d4 g6 $146 ({RR} 6... e6 7. Bf4 Qd8 8. h3 Nf6 9. O-O c6 10. Re1
Nd5 11. Be5 Nd7 12. Bg3 N7b6 13. Bd3 Bd6 14. Nxd5 cxd5 15. Bxd6 Qxd6 16. Ng3
O-O 17. Nh5 f5 18. Qd2 Bd7 19. Re5 Be8 20. Nf4 Bf7 21. Rae1 {Guisande,F (1898)
-Hirota da Silva,N (2045) Montevideo 2015 1-0 (52)}) 7. Bf4 e5 8. Bg3 Bg7 9. h3
Nh6 10. dxe5 Qe7 11. Nd5 Qc5 12. e6 O-O 13. e7 Qxc4 14. exf8=Q+ Bxf8 15. Nxc7
Nf5 16. Nxa8 Nxg3 17. Nxg3 Nd7 18. Qe2 Qc5 19. O-O b6 20. Ne4 Qc6 21. Rad1 Qxa8
22. Rxd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pomar, Marcelo"]
[Black "Franca Jr, Jairo"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Be7 5. e5 Nfd7 6. Bxe7 Kxe7 7. Qg4 ({RR} 7.
Nb5 a6 8. Na3 c5 9. c3 Nc6 10. Nc2 cxd4 11. cxd4 Qb6 12. b3 f6 13. f4 Rf8 14.
Nf3 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 b5 17. Bd3 f5 18. a4 b4 19. Rac1 Rb8 20. h3 Na5
21. Na1 Bb7 {Kotliar,A (2569)-Jovic,S (2285) playchess.com INT 2007 1-0 (65)})
({RR} 7. f4 c5 8. Nf3 Nc6 9. dxc5 Nxc5 10. Bd3 Qb6 11. b3 h6 12. Qd2 Bd7 13.
Qf2 g5 14. fxg5 hxg5 15. O-O Nxd3 16. Qxb6 axb6 17. cxd3 g4 18. Ng5 Raf8 19.
Rae1 Rh5 20. h4 Rxh4 21. Nb5 Rh5 {Petrova,I (2123)-Sattarov,B (2433) chess.com
INT 2022 0-1}) 7... Kf8 8. f4 h5 $146 ({RR} 8... c5 9. dxc5 Nc6 10. Nf3 Nxc5
11. O-O-O Bd7 12. Qh5 h6 13. g4 g6 14. Qh3 Rb8 15. g5 h5 16. f5 gxf5 17. Rg1
Kg7 18. Qg3 Ne7 19. Nh4 Ng6 20. Nxg6 fxg6 21. Qe3 Qc7 22. Qd4 Kh7 23. Bg2 {
Bicchierai,G (2089)-Humeau,C (2061) Bastia 2003 0-1 (44)}) 9. Qh3 c5 10. Nf3
Nc6 11. O-O-O cxd4 12. Nxd4 Nxd4 13. Rxd4 a6 14. Be2 g6 15. g4 h4 16. Bd3 Nc5
17. Rd1 Qe7 18. Kb1 Kg7 19. f5 exf5 20. Nxd5 Qxe5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Pontes, Felipe"]
[Black "Ferreira, Fernando G"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 dxc4 3. Nc3 a6 4. a4 Nc6 5. e3 e5 6. d5 ({RR} 6. Bxc4 exd4 7.
exd4 Qxd4 8. Qb3 Ne5 9. Be2 Bb4 10. Nf3 Nxf3+ 11. Bxf3 Be6 12. Qc2 Bc4 13. Be3
Qe5 14. Bxb7 Rb8 15. Bc6+ Kf8 16. O-O-O Ne7 17. Rd4 Be6 18. Bf3 Nf5 19. Re4 Qa5
20. Ba7 Rd8 {Fernandez,M (2099)-Vedder,R (2260) chess.com INT 2023 0-1 (32)})
6... Na5 7. e4 ({RR} 7. Nf3 Bd6 8. Be2 Nf6 9. O-O O-O 10. Nd2 c6 11. Nxc4 Nxc4
12. Bxc4 cxd5 13. Nxd5 Nxd5 14. Bxd5 Rb8 15. e4 Be6 16. Be3 Bxd5 17. Qxd5 Qe7
18. Rfd1 Rfd8 19. Bb6 Rd7 20. Rac1 h6 21. b3 Qg5 {Caetano,H (2417)
-UptownExpress (2345) lichess.org 2019 1-0 (44)}) 7... Bb4 8. Nf3 Qd6 $146 ({RR
} 8... Bg4 9. h3 Bxf3 10. Qxf3 Nf6 11. Bg5 h6 12. Be3 Qd6 13. g4 Nd7 14. Bg2
Nb3 15. Ra2 h5 16. O-O hxg4 17. hxg4 Nf8 18. Ne2 Ng6 19. Ng3 Nd4 20. Qd1 Nf4
21. Bxf4 exf4 22. Qxd4 fxg3 23. Qxg7 {Mikavica,M (2220)-Skomorokhin,R (2445)
Wohlen 1993 0-1 (34)}) 9. Be2 Nf6 10. Nd2 Nb3 11. Nxc4 Qc5 12. Qxb3 Nxe4 13.
O-O Bxc3 14. bxc3 O-O 15. Ba3 Qxd5 16. Bxf8 Kxf8 17. Rad1 Qc5 18. Bf3 Nf6 19.
Bxb7 Rb8 20. Rd8+ Ke7 21. Rxc8 Rxc8 22. Bxc8 Kd8 23. Bxa6 Qa7 24. Rd1+ Ke8 25.
Qb5+ c6 26. Qxe5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Proudian, Armen"]
[Black "da Cruz, Emerson"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2
Nbd7 9. f4 g6 ({RR} 9... b5 10. O-O-O Be7 11. f5 Bc4 12. g4 Nxg4 13. Rg1 Nxe3
14. Qxe3 Bxb3 15. cxb3 O-O 16. Kb1 Nb6 17. Be2 Bf6 18. Rg3 Re8 19. Qd2 Ra7 20.
Qxd6 Rd7 21. Qc6 Rd4 22. Rgd3 Qb8 23. Nd5 Nxd5 24. exd5 {Jakovenko,D (2741)
-Karjakin,S (2775) Moscow 2012 0-1 (39)}) ({RR} 9... Rc8 10. f5 Bxb3 11. axb3
d5 12. exd5 Bb4 13. Qd3 Nc5 14. Qc4 Bxc3+ 15. Qxc3 Qxd5 16. b4 Nfe4 17. Qa3 Nd7
18. Rd1 Qc6 19. b5 axb5 20. Qb4 Nef6 21. Bxb5 Qxg2 22. Rg1 Qxh2 23. Rd2 Qh3 24.
Bg5 {Proudian,A (2259)-Garkauskas,O (2118) Americana 2013 1/2-1/2 (42)}) 10.
O-O-O Ng4 $146 ({RR} 10... Qc7 11. h3 h5 12. Kb1 O-O-O 13. g3 Be7 14. Qf2 h4
15. g4 exf4 16. Bxf4 Ne5 17. Bg2 Nfd7 18. Rhe1 Bf6 19. Bf1 Nb6 20. Be3 Ned7 21.
Nd4 Nc4 22. Bxc4 Bxc4 23. Nde2 Rde8 24. Bd4 Be5 25. Nf4 {Nitin,S (2450)-Manish
Anto,C (2065) Bhopal IND 2018 1-0 (41)}) 11. g3 Nxe3 12. Qxe3 b5 13. Kb1 b4 14.
Nd5 Rb8 15. Bxa6 Bg7 16. f5 gxf5 17. exf5 Bxf5 18. Nd4 Be6 19. Nc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Rezende, Uelton"]
[Black "Campelo, Danilo"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "150"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Bxc3+ 6. bxc3 exd5 7. Bd3 h6 8.
Bh4 O-O 9. Ne2 Qd6 $146 ({RR} 9... Be6 10. O-O Nc6 11. Qd2 Re8 12. f4 Bg4 13.
Ng3 Qd6 14. Bxf6 Qxf6 15. f5 h5 16. h3 h4 17. hxg4 hxg3 18. g5 Qd6 19. f6 Qe6
20. Rab1 Qg4 21. Qf4 Qxf4 22. Rxf4 Na5 23. Rbf1 gxf6 24. gxf6 {Fernandes,J 
(2046)-Martins,J (1521) Marinha Grande POR 2019 1-0}) 10. O-O Nbd7 11. Re1 c5
12. c4 b6 13. cxd5 cxd4 14. Nxd4 Qxd5 15. Be2 Ne4 16. Bf3 Ndc5 17. c4 Qb7 18.
Nb5 f5 19. Nd6 Qc6 20. Be7 Be6 21. Bxf8 Rxf8 22. Nxe4 fxe4 23. Be2 Qc7 24. Qd2
Qe5 25. Qe3 Qf6 26. Rad1 Qb2 27. Rd2 Qb4 28. Red1 Bxc4 29. Rd4 b5 30. Bxc4+
bxc4 31. Qe2 Nd3 32. Qxe4 Qb2 33. f3 Qf2+ 34. Kh1 Qc2 35. R4xd3 cxd3 36. Qxd3
Qxa2 37. Qd5+ Qxd5 38. Rxd5 Ra8 39. Ra5 a6 40. Kg1 Kf7 41. Kf2 Ke6 42. Ke3 Kd6
43. Kd4 Kc6 44. Kc4 Kb6 45. Kb4 Rd8 46. Ra2 Rd4+ 47. Kc3 Rd5 48. Re2 Rc5+ 49.
Kb4 a5+ 50. Ka4 Rc4+ 51. Kb3 Kb5 52. Re7 a4+ 53. Ka3 g5 54. Rh7 Rc3+ 55. Kb2
Rc6 56. Rb7+ Rb6 57. Re7 Ka5+ 58. Ka3 Rb3+ 59. Ka2 Kb4 60. Re4+ Kc3 61. Rxa4
Rb2+ 62. Ka3 Rxg2 63. h4 gxh4 64. Rxh4 Rg6 65. Ka4 Kd3 66. Re4 Rf6 67. Rh4 Ke3
68. Kb5 Kxf3 69. Kc5 Kg3 70. Rh1 Kg4 71. Kd5 h5 72. Rg1+ Kh3 73. Rh1+ Kg4 74.
Rg1+ Kh4 75. Rh1+ Kg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Ribeiro, Fabiano Pinto"]
[Black "Piccoli, Lucas"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. c3 Ne7 7. Bg2 O-O 8. O-O h6
({RR} 8... a5 9. Re1 Nd7 10. b3 Nc5 11. Ba3 b6 12. exd5 Nxd5 13. Ne4 Re8 14.
Nxc5 Nxc3 15. Qc1 bxc5 16. Bb2 Nd5 17. Qxc5 f6 18. Qxc6 Ra6 19. Qc4 Rd6 20. Nd2
Ba6 21. Qa4 Nb4 22. Ba3 Rd4 23. Nf3 {Bacrot,E (2679)-Braun,A (2609) chess.com
INT 2020 0-1 (44)}) 9. Re1 ({RR} 9. Qc2 Be6 10. a4 a5 11. Re1 Nd7 12. h3 f5 13.
Kh2 Qb6 14. Re2 Rad8 15. exd5 cxd5 16. d4 e4 17. Ng1 Qc7 18. f4 Bxd4 19. Ngf3
Bf6 20. Ne1 g5 21. Nf1 gxf4 22. Bxf4 Be5 23. Bxh6 Rf7 {Quirke,J (1986)-Grutter,
T (2342) chess.com INT 2023 0-1 (37)}) 9... Qc7 10. Nf1 Be6 11. d4 $146 ({RR} 
11. Be3 Nd7 12. Qa4 b6 13. d4 f6 14. exd5 cxd5 15. dxe5 fxe5 16. Rad1 Rad8 17.
h3 Rf7 18. N1h2 Rdf8 19. g4 Nc8 {1/2-1/2 (19) Sarlamanov,P (2259)-Stojchev,G 
(2272) Stip 2002}) 11... f6 12. h3 Nd7 13. b3 dxe4 14. Rxe4 f5 15. Re1 e4 16.
Bf4 Qd8 17. Ne5 g5 18. Nxd7 Qxd7 19. Be5 Bxe5 20. dxe5 Ng6 21. f3 Qf7 22. Qe2
Rae8 23. fxe4 f4 24. Qh5 Nxe5 25. Qxf7+ Rxf7 26. gxf4 gxf4 27. Kh2 Rd8 28. Red1
Rfd7 29. Rxd7 Rxd7 30. h4 Rd3 31. Rc1 Kg7 32. c4 Kf6 33. Rc2 Ng4+ 34. Kg1 f3
35. Bh1 Ke5 36. Nd2 f2+ 37. Kf1 Ne3+ 38. Ke2 Rxd2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Rocha, Matheus Eugenio"]
[Black "Felicio, Leonardo"]
[Result "0-1"]
[ECO "E97"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Ng4 8. Bg5
f6 9. Bc1 Nc6 10. O-O g5 $146 ({RR} 10... exd4 11. Nb5 f5 12. exf5 gxf5 13. Bg5
Qd7 14. Qd2 Nf6 15. Bxf6 Bxf6 16. Nfxd4 Qg7 17. Rad1 a6 18. Nxc6 axb5 19. Nb4
c5 20. Nd5 Rxa2 21. cxb5 Bg5 22. Nf4 Ra4 23. Qd5+ Kh8 24. Nh5 Qe5 25. Qxd6 {
Donner,J-Kavalek,L San Juan 1969 1-0 (47)}) ({RR} 10... Nh6 11. c5 Nf7 12. cxd6
cxd6 13. dxe5 dxe5 14. Qb3 Kh8 15. Be3 b6 16. Rfd1 Qc7 17. Rac1 Qb7 18. Qa4 a6
19. Nd5 b5 20. Qc2 Nfd8 21. a4 Be6 22. axb5 axb5 23. Nb6 Rb8 24. Bxb5 Nb4 25.
Qa4 {Sethuraman,S (2644)-Ismagambetov,A (2528) chess.com INT 2020 1/2-1/2 (47)}
) ({RR} 10... Nh6 11. Be3 Bg4 12. c5 Bxf3 13. Bxf3 exd4 14. Bxd4 Nxd4 15. Qxd4
dxc5 16. Qxc5 c6 17. Rad1 Qc8 18. h3 Re8 19. Rd2 Bf8 20. Qc4+ Qe6 21. Qxe6+
Rxe6 22. Rd7 Re7 23. Rxe7 Bxe7 24. Rd1 Rd8 25. Rxd8+ {Sai,H (2070)-Xu,Y (2527)
chess.com INT 2023 0-1 (72)}) 11. h3 Nh6 12. Be3 g4 13. hxg4 Nxg4 14. Bc1 Qe8
15. Nh2 Nxh2 16. Kxh2 Nxd4 17. Bh5 Qd8 18. f4 f5 19. exf5 Bxf5 20. Nd5 c6 21.
Ne3 exf4 22. Nxf5 Rxf5 23. Bg4 Qh4+ 24. Kg1 Re8 25. Bxf5 Ne2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Rodrigues, Julliano"]
[Black "Oliveira Filho, Fernando"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "112"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 Ne7 8.
Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. cxd4 Nxd4 12. Kd1 ({RR} 12. Nxd4 Qc3+
13. Ke2 Qxa1 14. Be3 Bd7 15. Kf3 Qd1+ 16. Ne2 d4 17. Bxd4 Bc6+ 18. Kf4 O-O-O
19. c3 Qd2+ 20. Be3 Nd5+ {0-1 (20) Silvestre,C (1942)-Clawitter,C (2050) chess.
com INT 2023}) 12... Nxe2 13. Bxe2 Qxe5 14. Rb1 Qd4+ $146 ({RR} 14... Rxg2 15.
Bb2 d4 16. Qd3 Nf5 17. h4 Rxf2 18. h5 Bd7 19. Bc1 Qxe2+ 20. Qxe2 Rxe2 21. Kxe2
Ng3+ 22. Kd3 Nxh1 23. Bg5 Bc6 24. h6 f6 25. Bxf6 Kf7 26. Bxd4 Ng3 27. h7 e5 28.
Bxe5 Be4+ 29. Ke3 {Adorjan,A (1983)-Csatlos,B (2153) Hungary 2013 1/2-1/2}) 15.
Ke1 Rxg2 16. Be3 Qg7 17. Qd3 Rg1+ 18. Kd2 Rxh1 19. Rxh1 Bd7 20. Bd4 Qg5+ 21.
Kd1 Nf5 22. Bc5 b6 23. h4 Qf6 24. Be3 Nxe3+ 25. Qxe3 Qa1+ 26. Qc1 Qxc1+ 27.
Kxc1 Ke7 28. Rg1 Rh8 29. h5 Kf8 30. Rg3 Ke7 31. Rc3 Kd6 32. Rf3 f5 33. Rg3 Rh7
34. f4 Be8 35. Rg5 Ke7 36. Kd2 Kf6 37. Ke3 e5 38. c3 Rc7 39. Rg8 Bf7 40. fxe5+
Kxe5 41. Rg7 Kf6 42. h6 Rxc3+ 43. Bd3 Rxa3 44. Rg1 Bg6 45. Kd4 Ra4+ 46. Kxd5
Rh4 47. Ra1 Bf7+ 48. Kc6 Rxh6 49. Rxa7 Ke5+ 50. Kb5 Be8+ 51. Kc4 Rc6+ 52. Kb4
f4 53. Bb5 Re6 54. Bc4 f3 55. Bxe6 Kxe6 56. Ra3 Bc6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Rosa, Diego"]
[Black "Cymbalista, Eduardo"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8.
Qe2 Qe7 9. Bxc6 Nxd2 10. Qxe7+ Kxe7 11. Nbxd2 dxc6 12. O-O Be6 $146 ({RR} 12...
Rd8 13. Rad1 Bg4 14. h3 Bxd2 15. hxg4 Ba5 16. Rd3 Rd5 17. Rfd1 Rad8 18. Kf1 h6
19. Ke2 Bb6 20. a3 c5 21. dxc5 Rxd3 22. Rxd3 Rxd3 23. Kxd3 Bxc5 24. Nd4 Bxd4
25. Kxd4 Kd6 26. b4 b6 27. b5 {Capella,M-Sastre Vazquez,G Llucmajor 2001 0-1})
13. a3 Bxd2 14. Nxd2 Rad8 15. Nf3 f6 16. Rfe1 Kf7 17. Re3 Bg4 18. Rd1 Rhe8 19.
Rb3 Bxf3 20. gxf3 b6 21. Rc1 Re6 22. Re3 Rxd4 23. Rxe6 Kxe6 24. Rxc6+ Kd7 25.
Rc2 Kd6 26. Kf1 c5 27. Ke2 Rh4 28. Ke3 Rxh2 29. Rc4 Rh5 30. Rg4 Re5+ 31. Kd3 g5
32. Ra4 a5 33. b4 Kc6 34. bxc5 Rxc5 35. Re4 Rd5+ 36. Kc3 h5 37. Re7 Rf5 38.
Re6+ Kc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Santiago, Mauro"]
[Black "Oliveira, Olavo Tadeu"]
[Result "1/2-1/2"]
[ECO "A24"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O e5 7. d3 Nbd7 8. Bg5
a5 $146 ({RR} 8... h6 9. Bd2 c6 10. Ne1 Ne8 11. b4 f5 12. Rb1 Ndf6 13. b5 c5
14. a4 Qe7 15. a5 Rb8 16. Nc2 b6 17. a6 Nc7 18. Ne3 Be6 19. f4 exf4 20. Rxf4
Kh7 21. Rf3 d5 22. cxd5 Bxd5 23. Ncxd5 {Saleh,N-Hook,W (2250) Buenos Aires
1978 0-1 (49)}) ({RR} 8... Re8 9. Qd2 Nc5 10. Nd5 Be6 11. b4 Ncd7 12. Ne3 c6
13. Rab1 Qc7 14. b5 e4 15. bxc6 exf3 16. cxd7 Bxd7 17. Bxf3 Bc6 18. Bxf6 Bxf6
19. Nd5 Bxd5 20. Bxd5 b6 21. Bxa8 Rxa8 22. Qe3 Kg7 23. Qf3 {Rego,V (2321)
-Ckaakk (2522) lichess.org 2019 1-0 (31)}) ({RR} 8... c6 9. Ne4 h6 10. Bxf6
Nxf6 11. Nxf6+ Qxf6 12. Nd2 Qe7 13. Rc1 f5 14. b4 a5 15. b5 Bd7 16. bxc6 Bxc6
17. Bd5+ Bxd5 18. cxd5 b5 19. Rc6 Rfc8 20. Qc2 Rxc6 21. Qxc6 Rb8 22. Rc1 Kh7
23. Rb1 {Mikhailov,V (2428)-Dilmukhametov,A (2293) chess.com INT 2022 1-0 (60)}
) 9. Qd2 Nc5 10. Bh6 Ne8 11. h3 f5 12. Bxg7 Kxg7 13. Nh2 g5 14. d4 exd4 15.
Qxd4+ Qf6 16. Qxf6+ Nxf6 17. Nb5 Rf7 18. f4 gxf4 19. gxf4 Be6 20. b3 Re8 21.
Nf3 Bc8 22. Ng5 Rd7 23. Nd4 h6 24. Ngf3 Rf7 25. Nh4 Nfe4 26. Rfe1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Santos, Clecio Franca"]
[Black "Carrico, Victor Hugo"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 {Shabalov,A} e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7.
dxc6 bxc6 8. Qf3 Be7 9. Bd3 O-O 10. O-O h6 11. Ne4 Nd5 12. Ng3 Bg5 ({RR} 12...
Nb4 13. Nf5 Bg5 14. Re1 Nxd3 15. cxd3 Qf6 16. Ng3 Qxf3 17. gxf3 c5 18. Rxe5 Nc6
19. Rxc5 Nd4 20. Nc3 Nxf3+ 21. Kh1 Ne1 22. Nce4 f5 23. Nd6 Be7 24. Rxc8 Raxc8
25. Nxc8 Rxc8 26. b4 Nxd3 27. Ba3) ({RR} 12... g6 13. c3 f5 14. b4 e4 15. Nxe4
fxe4 16. Qxe4 Bf5 17. Qe2 Nb7 18. Bxf5 Rxf5 19. Qe6+ Kg7 20. Qxc6 Nd6 21. Bb2
Rc8 22. Qa6 Nf4 23. c4+ Bf6 24. Bxf6+ Qxf6 25. c5 Ne2+ 26. Qxe2 Qxa1 27. Nc3 {
Filali,R (2234)-Vifleemskaia,S (1903) chess.com INT 2023 1-0 (32)}) 13. Bf5 Nc4
$146 ({RR} 13... Bb7 14. Ne4 g6 15. Nxg5 hxg5 16. Be4 f5 17. Bxd5+ cxd5 18. d3
Nc6 19. c3 g4 20. Qg3 g5 ({RR} 20... Ba6) 21. f3 ({RR} 21. Na3) 21... f4 22.
Qf2 ({RR} 22. Qxg4 Bc8 23. Qh5 Kg7) 22... gxf3 23. Qxf3 e4 24. Qh5 Kg7 25. h4
e3 26. hxg5 Qd6 27. Na3 ({RR} 27. Qh6+) 27... Rh8 28. Qf3 {Tayar,J (2342)-Ni,H
(2701) Edmonton 2009 CBM 132 Extra [Shabalov,A] 0-1 (32)} ({RR} 28. Nb5 Qc5 29.
Qe2)) 14. Bxc8 Rxc8 15. Ne4 f5 16. Nxg5 hxg5 17. Qe2 Nd6 18. d3 Nf4 19. Qxe5
Re8 20. Qc5 Ne2+ 21. Kh1 g4 22. Nc3 Qf6 23. Nxe2 Rxe2 24. Bf4 Nf7 25. d4 Rce8
26. Qc4 R2e4 27. Be5 R8xe5 28. dxe5 Rxc4 29. exf6 Rxc2 30. b3 gxf6 31. f3 Kg7
32. Rfc1 Rxc1+ 33. Rxc1 Ne5 34. f4 Nd3 35. Rxc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Santos, Wenesley"]
[Black "Pinheiro, Pedro"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nf3 Nf6 5. Nc3 Nbd7 6. Be2 O-O 7. O-O b6 8. Be3
Bb7 9. Qc2 ({RR} 9. d5 Re8 10. h3 e5 11. Qd2 Qe7 12. Rac1 c6 13. Bg5 cxd5 14.
Nxd5 Bxd5 15. exd5 Nc5 16. Bxf6 Bxf6 17. Rfe1 e4 18. Nd4 Bxd4 19. Qxd4 Nd3 20.
Bxd3 exd3 21. Rxe7 Rxe7 22. Qxd3 a5 23. Qg3 Rc8 {Moulin,M (1579)-Dellouci,S
Tornelo INT 2020 1-0 (31)}) 9... c5 10. d5 Ng4 11. Bg5 $146 ({RR} 11. Bf4 Nge5
12. Qd2 Ba6 13. b3 Ng4 14. h3 Nge5 15. Bh6 Nxf3+ 16. Bxf3 Ne5 17. Be2 Bc8 18.
Bxg7 Kxg7 19. f4 Nd7 20. Rae1 f5 21. Bd3 fxe4 22. Nxe4 Kg8 23. Ng5 Nf6 24. Ne6
Bxe6 25. dxe6 Nh5 {Petersen,M (1443)-Rickers,B (1556) Hanerau 2015 1/2-1/2 (55)
}) 11... Nge5 12. Ne1 Nf6 13. f3 h6 14. Be3 g5 15. f4 Neg4 16. Bd2 gxf4 17.
Rxf4 Ne5 18. Nf3 Nxf3+ 19. Rxf3 Bc8 20. Kh1 Bg4 21. Rg3 Bxe2 22. Nxe2 Kh8 23.
Rf1 Nd7 24. Qc1 Be5 25. Rh3 f6 26. Bxh6 Kg8 27. Bxf8 Qxf8 28. Qh6 Qxh6 29. Rxh6
Kg7 30. Rh4 Nf8 31. b3 Ng6 32. Rh3 a6 33. Rf5 Rh8 34. Rxh8 Nxh8 35. Nf4 Bxf4
36. Rxf4 Ng6 37. Rg4 Kh6 38. h3 Kh7 39. Kh2 Ne5 40. Rh4+ Kg7 41. Kg3 Ng6 42.
Rg4 Kh6 43. Kf2 Kh7 44. Ke3 Ne5 45. Rf4 Kg6 46. Rf2 Kg5 47. g3 Ng6 48. a3 a5
49. b4 Ne5 50. Rf5+ Kg6 51. Rxe5 fxe5 52. bxa5 bxa5 53. Kf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Sega, Carlos Alberto"]
[Black "Santiago, Yago"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 g6 5. O-O Bg7 6. d4 O-O 7. Qc2 b6 8. Nc3
Bb7 9. cxd5 exd5 10. Bg5 Na6 11. Rfd1 Qe7 12. Ne5 $146 ({RR} 12. a3 h6 13. Bxf6
Bxf6 14. b4 c5 15. bxc5 bxc5 16. Rab1 Rfd8 17. e3 Rac8 18. Qb3 Bc6 19. Rbc1 Kg7
20. Qa2 Ba8 21. dxc5 Rxc5 22. Nd4 Ra5 23. Ncb5 Nc5 24. Qc2 Ne6 25. Nxe6+ Qxe6
26. a4 Qe7 {Akesson,R (2435)-Grandelius,N (2635) Gibraltar 2016 0-1 (32)})
12... Qe6 13. Qb3 c6 14. Bxf6 Bxf6 15. e4 Bxe5 16. exd5 cxd5 17. Re1 Qg4 18.
dxe5 Nc5 19. Qd1 Qb4 20. Bxd5 Rad8 21. Qf3 Qxb2 22. Rad1 Rd7 23. Bxb7 Rxb7 24.
Nd5 Qxa2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Serafim, Paulo Rogerio"]
[Black "Silva, Joao Fernandes"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. c4 {https://lichess.org/@/loepare} Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5.
Nxd4 e6 6. a3 Be7 7. e4 O-O 8. Ndb5 $146 ({RR} 8. Nc2 b6 9. Bf4 d6 10. Be2 Bb7
11. Ne3 Qd7 12. Qc2 Nd4 13. Qb1 Nxe2 14. Kxe2 Nh5 15. Bg3 f5 16. exf5 exf5 17.
f4 Rae8 18. Kf2 g5 19. Ned5 gxf4 20. Bxf4 Nxf4 21. Nxf4 Bh4+ 22. g3 Qc6 {
Zhuravlev,V-Osnos,V (2455) Tallinn (Estland) 1980 0-1}) ({RR} 8. Nc2 b6 9. f4
Bb7 10. Bd3 Rc8 11. Qe2 d6 12. O-O Na5 13. Be3 a6 14. Nd4 Qc7 15. Rac1 Qb8 16.
b4 Nc6 17. f5 Nxd4 18. Bxd4 Ba8 19. fxe6 fxe6 20. e5 dxe5 21. Bxe5 Qb7 22. Bxf6
Bxf6 {Carlsen,M (2776)-Topalov,V (2796) Nice 2009 1-0 (69)}) ({RR} 8. Nf3 Qa5
9. Bd2 Qh5 10. Rg1 d5 11. g4 Nxg4 12. cxd5 exd5 13. Nxd5 Bc5 14. Qe2 f5 15. Nf4
Qf7 16. Rg2 Qe7 17. e5 Ncxe5 18. O-O-O Bd6 19. Bc3 Nxf3 20. Qxf3 Be6 21. h3 Be5
22. Nxe6 Qxe6 {Gukesh D (2725)-Praggnanandhaa R (2684) Wijk aan Zee,
Netherlands 2023 [https://lichess.org/@/loepare] 1-0 (40)}) 8... d6 9. Be2 e5
10. Nd5 Nxd5 11. exd5 a6 12. dxc6 axb5 13. cxb5 bxc6 14. bxc6 Qc7 15. Bf3 Ba6
16. Be3 Rfc8 17. a4 Bc4 18. b4 f5 19. Bd5+ Bxd5 20. Qxd5+ Kf8 21. b5 Qa5+ 22.
Bd2 Qc7 23. O-O Bd8 24. a5 Qb8 25. Bb4 Be7 26. b6 Ra6 27. c7 Rxc7 28. bxc7 Qxc7
29. Rfc1 Qb8 30. Rc4 Qa8 31. Qxa8+ Rxa8 32. Rac1 Kf7 33. Rc8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Silva, Afranio Marcio"]
[Black "Brito, Vicente"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. Nf3 ({RR} 7. a3
cxd4 8. cxd4 c5 9. Nf3 Rb8 10. O-O a5 11. Nc3 Nh6 12. Qd3 Nf5 13. a4 c4 14. Qe2
h5 15. h3 Be7 16. Rd1 Rb3 17. Ra2 Bc6 18. g3 Qd7 19. Bg5 Bxg5 20. Nxg5 Qa7 21.
Qd2 Rb4 {Scekic,N (2141)-Mitrovic,M (2114) Cetinje 2010 0-1 (79)}) 7... Qb6 ({
RR} 7... cxd4 8. cxd4 c5 9. O-O cxd4 10. Nxd4 Bc5 11. Be3 Qc7 12. f4 Ne7 13.
Nc3 Rb8 14. Rc1 O-O 15. b3 Qb6 16. Bf2 Rfc8 17. Na4 Bxa4 18. bxa4 a6 19. Nb3
Bxf2+ 20. Rxf2 Rxc1 21. Qxc1 Rc8 22. Qd2 {Correa,J (1814)-Abreu,N (1969) Sao
Luis 2017 0-1 (57)}) 8. a3 $146 ({RR} 8. b3 Ne7 9. O-O cxd4 10. cxd4 Nf5 11.
Bb2 c5 12. Qd2 Be7 13. Rd1 O-O 14. g3 Rfc8 15. Na3 Qb4 16. Nc2 Qxd2 17. Rxd2 c4
18. bxc4 dxc4 19. Bc3 Bc6 20. Kg2 Rab8 21. Re1 h5 22. Ne3 Nxe3+ {Uhl,
A-Rothenhaussler,D Schussenried 1992 0-1 (59)}) 8... a5 9. O-O cxd4 10. Nxd4 c5
11. Qb3 Qa6 12. Nf3 Ne7 13. Be3 Nc6 14. Qc2 Be7 15. Nbd2 Rc8 16. Bf4 h6 17. Bg3
O-O 18. Rfe1 a4 19. h3 Rb8 20. c4 Nd4 21. Nxd4 cxd4 22. cxd5 Rbc8 23. Qe4 exd5
24. Qxd5 Be6 25. Qxd4 Rfd8 26. Qf4 Bg5 27. Qf3 Bxd2 28. Red1 Bb3 29. Rf1 Bc4
30. Rfd1 Be2 31. Qf5 Bxd1 32. Rxd1 Qd3 33. Qxd3 Rxd3 34. e6 fxe6 35. Be5 Rc1
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Silva, Guilherme H"]
[Black "Franco Filho, Sinvaldo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. a4 cxd4 8. cxd4
Bb4+ 9. Nc3 f6 ({RR} 9... Bd7 10. Bd3 Nxd4 11. O-O Nc6 12. Nb5 Nge7 13. Be3 Qd8
14. Rc1 Ng6 15. Bg5 Qb8 16. Bxg6 hxg6 17. Qe2 O-O 18. Qe3 f6 19. Bf4 fxe5 20.
Nxe5 Nxe5 21. Bxe5 Qd8 22. Nd4 b6 23. Qg3 g5 24. Nf3 {Tifferet,S (2280)-Pon,M 
(2185) chess.com INT 2023 1-0 (44)}) 10. Bb5 Bd7 11. O-O fxe5 12. Nxe5 $146 ({
RR} 12. dxe5 Nge7 13. Bg5 O-O 14. Bxe7 Bxe7 15. Nxd5 Qc5 16. Nxe7+ Qxe7 17. Qe2
Be8 18. Nd2 Nd4 19. Qc4 Nxb5 20. axb5 Qd7 21. Nf3 Qxb5 22. Qxe6+ Bf7 23. Qd6
Rad8 24. Qa3 Bh5 25. Qxa5 Qxb2 26. Ng5 Rd2 {Komut,K (1813)-Kucuk,K (1809)
Kocaeli 2008 1-0 (71)}) 12... Nxe5 13. dxe5 Bc6 14. Qg4 Bxb5 15. Nxb5 O-O-O 16.
Be3 Qa6 17. Rac1+ Kb8 18. Ba7+ Qxa7 19. Nxa7 Kxa7 20. Qxe6 Ne7 21. Rc7 Ng6 22.
Rfc1 d4 23. Rxb7+ Kxb7 24. Qc6+ Kb8 25. Qb6+ Ka8 26. Rc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Silva, Joelton Cooper"]
[Black "Freitas, Mauricio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. Be3 Nxe5 ({RR} 6... cxd4 7.
Bxd4 Nxe5 8. Bxd7+ Nxd7 9. Nc3 Ngf6 10. Qd3 a6 11. Ne5 Nxe5 12. Bxe5 Bd6 13.
Qd4 Bxe5 14. Qxe5 Qb6 15. b3 Qxf2+ 16. Kxf2 Ng4+ 17. Kf3 Nxe5+ 18. Kf4 Ng6+ 19.
Kf3 Rc8 20. Ne2 Rxc2 21. Nd4 {Sira,A-Pekar,K (2160) Slovakia 1994 0-1 (35)}) 7.
Nxe5 Bxb5 8. dxc5 $146 ({RR} 8. Na3 Ba6 9. Qf3 Nf6 10. O-O-O c4 11. c3 Qa5 12.
Qe2 Bxa3 13. bxa3 Qxa3+ 14. Qb2 Qa5 15. Bg5 Ne4 16. Bd2 Nxf2 17. Rhf1 Nxd1 18.
Kxd1 O-O 19. Rf3 Rad8 20. Rg3 Rfe8 21. Bh6 g6 22. Nxf7 Kxf7 {Panel,A-Carrasco
Lizarraga,L Tornelo INT 2021 0-1 (55)}) 8... Qc7 9. Nc3 Qxe5 10. Nxb5 Bxc5 11.
O-O Bxe3 12. Re1 Bxf2+ 13. Kxf2 Qf4+ 14. Kg1 Nf6 15. Rf1 Qe3+ 16. Kh1 Qb6 17.
Qd3 O-O 18. b3 Ne4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Silva, Lucas Henrique"]
[Black "Bocca, Edson Ricardo"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 d6 3. Nf3 h6 4. O-O Nc6 5. c3 ({RR} 5. d4 Bg4 6. c3 Qd7 7. Bb5
a6 8. Bxc6 Qxc6 9. Nxe5 Bxd1 10. Nxc6 Bh5 11. Nb4 O-O-O 12. Re1 Bg6 13. f3 f5
14. exf5 Bxf5 15. Nd5 g5 16. Nd2 Rh7 17. Ne4 Rf7 18. Ng3 Bh7 19. a4 a5 {
Slizhevsky,A (2442)-Kotsur,P (2568) Tomsk 2008 1/2-1/2}) ({RR} 5. h3 Be6 6. Bb5
Bd7 7. c3 a6 8. Ba4 Nb8 9. Bc2 Nf6 10. d4 exd4 11. cxd4 Bb5 12. Re1 Be7 13. a4
Bd7 14. Nc3 O-O 15. e5 Nh7 16. Qd3 g6 17. Bxh6 Re8 18. e6 Bxe6 19. Rxe6 Bg5 {
Juliani,S (1849)-Bocca,E (1599) Goiania 2013 1-0}) 5... Be6 ({RR} 5... Na5 6.
Qa4+ c6 7. Be2 b5 8. Qc2 Be6 9. d4 Bg4 10. Nbd2 Qc7 11. a4 Rb8 12. b4 Nc4 13.
Nxc4 bxc4 14. dxe5 dxe5 15. Bxc4 Nf6 16. Nd2 Be7 17. Nb3 g5 18. Be3 Nd7 19. f3
Bh5 20. Qf2 {Nikac,P (2285)-Jimenez,M (1967) Belgrade SRB 2023 1-0 (42)}) 6.
Bxe6 fxe6 7. Qb3 Qd7 $146 ({RR} 7... Qc8 8. d4 exd4 9. cxd4 Be7 10. d5 exd5 11.
exd5 Ne5 12. Nxe5 dxe5 13. Re1 Bd6 14. f4 Qg4 15. fxe5 Bc5+ 16. Be3 Bxe3+ 17.
Qxe3 O-O-O 18. Nc3 Kb8 19. Nb5 b6 20. Rac1 Ne7 21. d6 cxd6 22. Qa3 {
Ranaivoharisoa,A (2079)-Jeannel,P (1956) Reunion 2007 1-0}) 8. Qxb7 Rb8 9. Qa6
Be7 10. Qe2 Bf6 11. Rd1 Nge7 12. d4 O-O 13. Na3 Ng6 14. Nc4 Qf7 15. g3 d5 16.
dxe5 dxc4 17. exf6 Qxf6 18. Nd4 Nce5 19. f4 Nd3 20. e5 Qf7 21. b3 Nxc1 22.
Rdxc1 cxb3 23. axb3 c5 24. Nb5 Qb7 25. Nd6 Qxb3 26. Qd3 Ne7 27. Rxa7 Nf5 28.
Nxf5 exf5 29. Qd7 Rf7 30. Qxf7+ Qxf7 31. Rxf7 Kxf7 32. Rd1 Ke7 33. Rd5 Rc8 34.
Kf2 Rc6 35. Ke3 Ke6 36. Rd8 g5 37. Rf8 Kd5 38. Kd3 c4+ 39. Ke3 gxf4+ 40. Kxf4
Rb6 41. Rd8+ Kc5 42. Kxf5 Rb3 43. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Soares, Renan"]
[Black "Silva, Anjossendre"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 f5 5. g3 Nf6 6. Bg2 Bd6 7. b3 O-O 8. Bb2 Ne4
9. O-O Nd7 10. Nbd2 Ndf6 11. Ne5 Nxd2 12. Qxd2 Ne4 13. Qc2 Bd7 14. f3 Nf6 15.
e4 fxe4 $146 ({RR} 15... Be7 16. Rae1 Rc8 17. Kh1 b5 18. c5 b4 19. exf5 exf5
20. Bh3 g6 21. Re2 Re8 22. Rfe1 Bf8 23. Bc1 Bg7 24. Bg5 a5 25. Qd2 Qc7 26. Qf4
Rcd8 27. Qh4 Rf8 28. Bh6 Rde8 29. Bxg7 Kxg7 30. Qg5 {Dischinger,J-Coutinho,R 
(2105) Brazil 1997 1-0 (43)}) 16. fxe4 Bxe5 17. dxe5 Ng4 18. Rxf8+ Qxf8 19.
cxd5 cxd5 20. Rf1 Qd8 21. Qd2 dxe4 22. Qf4 Nh6 23. Bxe4 Bc6 24. Bxc6 Qb6+ 25.
Qf2 Qxc6 26. Bc1 Qe8 27. Bxh6 gxh6 28. Qf6 Qg6 29. Qe7 b6 30. Rf6 Qb1+ 31. Kg2
Qxa2+ 32. Kh3 Qxb3 33. Rf4 h5 34. Qg5+ Kh8 35. Rf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Souza, Eliel"]
[Black "Cardoso, Marcio"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "30"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Bg5 Bb4 8.
Qd2 ({RR} 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Kf1 gxf6 11. Rb1 Nc6 12. Nxc6 bxc6
13. Rb3 Qe5 14. Bd3 a5 15. g3 a4 16. Rb6 h5 17. h4 f5 18. exf5 Qd5 19. Rh3 Qxa2
20. g4 hxg4 21. Qxg4 Qa1+ 22. Kg2 Kd8 {Garnier,G (2131)-Collas,D (2447) Cap
d'Agde 2003 0-1 (42)}) ({RR} 8. Qd3 Bxc3+ 9. bxc3 Nxe4 10. Bd2 Nxd2 11. Qxd2 d5
12. O-O Nd7 13. f4 Nf6 14. Bd3 Bd7 15. Rab1 O-O 16. Rf3 b5 17. Qf2 e5 18. fxe5
Qxe5 19. Re1 Ne4 20. Qh4 Rae8 21. Nb3 f5 22. Rh3 h6 {Shrihan Sabat (1512)
-Potluri,S (1796) Bhubaneswar IND 2023 0-1 (32)}) 8... Nxe4 9. Qd3 $146 ({RR} 
9. Bf4 e5 10. Bxe5 Bxc3 11. bxc3 Qxe5 12. Qe3 d6 13. f4 Qe7 14. O-O Nc5 15.
Qxe7+ Kxe7 16. Rfe1 Kd8 17. Bc4 Bd7 18. Re3 Nc6 19. Rae1 Kc7 20. g3 f6 21. Nxc6
bxc6 22. Re7 d5 23. Bf1 Rhe8 {Cop,J (1508)-Djuricic,D (1543) Rogaska Slatina
2009 0-1 (43)}) 9... Nxg5 10. a3 Bxc3+ 11. Qxc3 Qxc3+ 12. bxc3 Ne4 13. c4 Nc6
14. O-O-O Nxf2 15. Nxc6 bxc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Supi, Luis Paulo"]
[Black "Brito, Luismar"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "39"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be2 Nc6 6. Qe3 Bg4 ({RR} 6... Nf6
7. h3 e6 8. O-O Be7 9. c4 O-O 10. Nc3 b6 11. Rd1 Qc7 12. b3 Bb7 13. Ba3 Rfe8
14. Rac1 Bf8 15. b4 Nb8 16. Bb2 Nbd7 17. Bd3 Rab8 18. a3 Ba8 19. Re1 Qb7 20.
Qg5 Rbc8 21. Nb1 {Radjabov,T (2792)-Wojtaszek,R (2733) Eilat 2012 1/2-1/2 (32)}
) ({RR} 6... g6 7. O-O Bg7 8. Rd1 Bd7 9. c4 Nf6 10. Nc3 Rc8 11. h3 O-O 12. Rb1
Qa5 13. b3 Ng4 14. hxg4 Bxc3 15. Bd2 Bxd2 16. Nxd2 Qxa2 17. Qh6 Ne5 18. Qh4 Qc2
19. Qxe7 Bxg4 20. Bxg4 Nxg4 21. Qxd6 {Kleibel,U (2308)-Dyulgerov,V (2200)
chess.com INT 2023 1-0 (35)}) 7. O-O Bxf3 $146 ({RR} 7... g6 8. Qb3 Bxf3 9.
Bxf3 Rb8 10. Be3 Bg7 11. c4 Nf6 12. Nc3 O-O 13. Be2 Nd7 14. Rfd1 Qa5 15. Nd5
Nc5 16. Qc2 e6 17. Nc3 Nb4 18. Qd2 Na4 19. Nxa4 Qxa4 20. Rdc1 Nc6 21. a3 Rbc8
22. Rab1 {Zelcic,R (2555)-Cvitan,O (2561) Malinska 2013 0-1 (66)}) 8. Bxf3 g6
9. e5 d5 10. Rd1 e6 11. c4 Bh6 12. Qb3 Bxc1 13. cxd5 Na5 14. Qb4 exd5 15. Nc3
Bxb2 16. Qxb2 Ne7 17. Nxd5 Nxd5 18. Rxd5 Qc7 19. e6 O-O 20. Rd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Teske, Luiz Fernando"]
[Black "Moreira, Cleber Naief"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Nbd7 6. O-O-O O-O 7. f3 c6 8. g4
b5 9. h4 h5 ({RR} 9... e5 10. Bh6 Bxh6 11. Qxh6 Qe7 12. h5 exd4 13. Rxd4 Rd8
14. Nh3 a5 15. Rd2 b4 16. Na4 Nf8 17. Nb6 Ra7 18. hxg6 fxg6 19. Nxc8 Rxc8 20.
Qe3 d5 21. e5 a4 22. Bd3 a3 23. b3 N6d7 24. f4 {Ethereal 13.89_NNUE (3515)
-Berserk dev10_20220912 (3509) tcec-chess.com INT 2022 1-0 (92)}) ({RR} 9...
Ne8 10. h5 e5 11. hxg6 fxg6 12. Qh2 Kf7 13. d5 b4 14. dxc6 bxc3 15. Bc4+ Ke7
16. cxd7 cxb2+ 17. Kb1 Qxd7 18. Bg5+ Nf6 19. Qxh7 Kd8 20. Qxg6 Kc7 21. Ne2 a5
22. Nc3 Bb7 23. Nb5+ Kb8 24. Rxd6 {Saltik,S (1687)-Zhukovskaya,N (1474)
Belgrade SRB 2023 1-0}) 10. gxh5 Nxh5 11. Nce2 $146 ({RR} 11. Bh6 Qa5 12. Bxg7
Kxg7 13. Kb1 b4 14. Nce2 Ndf6 15. Nh3 e5 16. Rg1 c5 17. d5 Qc7 18. f4 Nxe4 19.
Qe3 Bf5 20. Ng5 Nxg5 21. Rxg5 exf4 22. Nxf4 Nxf4 23. Qxf4 Qd7 24. h5 Rh8 25.
Be2 f6 {Villalba,F (1911)-Lanni,V Bratto 2006 1-0}) 11... e5 12. Bh6 Qf6 13.
Bxg7 Kxg7 14. dxe5 dxe5 15. Qg5 Re8 16. Bh3 Nc5 17. Qxf6+ Nxf6 18. Bxc8 Raxc8
19. Nh3 Rcd8 20. Nf2 Rd7 21. Ng3 Ne6 22. Rxd7 Nxd7 23. h5 Nd4 24. hxg6 fxg6 25.
Rd1 Nc5 26. b4 Nce6 27. c3 Nxf3 28. Rd7+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Timossi, Lucas Jose"]
[Black "Santanna, Paulo"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. d3 c5 2. Nf3 g6 ({RR} 2... Nc6 3. g3 b6 4. Bg2 Bb7 5. O-O Nf6 6. e4 d6 7.
Re1 Nd7 8. c3 e6 9. d4 cxd4 10. cxd4 Be7 11. Nc3 O-O 12. d5 Nce5 13. dxe6 fxe6
14. Nd4 Nc5 15. Be3 a5 16. Re2 Re8 17. f4 {sandi_s (2384)-Sunye Neto,J (2481)
lichess.org 2021 1-0 (55)}) ({RR} 2... Nf6 3. g3 d6 4. Bg2 h5 5. O-O e6 6. c4
Be7 7. Nc3 Nc6 8. a3 h4 9. Nxh4 Rxh4 10. gxh4 Nd7 11. Rb1 Bxh4 12. b4 Nd4 13.
e3 Nf5 14. Ne4 Qc7 15. Bb2 g6 16. Qe2 Rb8 17. Ng3 {De Souza,C (2018)-Mendes
Aaron Reeve (1991) chess.com INT 2023 0-1 (39)}) 3. Be3 $146 ({RR} 3. g3 Bg7 4.
Bg2 Bxb2 5. O-O Bxa1 6. Nbd2 Bg7 7. Nc4 d6 8. e4 Nf6 9. e5 dxe5 10. Ncxe5 O-O
11. Bb2 Nc6 12. Nxc6 bxc6 13. Re1 Bg4 14. h3 Bxf3 15. Qxf3 Rb8 16. Bc3 Nd5 17.
Bxg7 Kxg7 {maikl_taunly (2430)-Rego,V (2384) lichess.org 2021 0-1}) 3... d6 4.
c4 Bg7 5. Nc3 Nf6 6. g3 Nc6 7. Bg2 O-O 8. O-O h6 9. a3 Qd7 10. Qc2 b6 11. Rfb1
Bb7 12. b4 Ng4 13. Bd2 Nd4 14. Nxd4 Bxg2 15. Kxg2 cxd4 16. Na2 Rac8 17. Qb3 Kh7
18. h3 Ne5 19. b5 g5 20. Nb4 f5 21. f4 gxf4 22. Bxf4 Ng6 23. Bd2 f4 24. g4 Nh4+
25. Kf1 Qb7 26. e3 Qf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Umetsubo, Cesar"]
[Black "Zanette, Edgard"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Qc2 Be7 7. Bf4 O-O 8. e3
Re8 9. Bd3 Nbd7 10. O-O Nf8 11. h3 Ng6 12. Bh2 Bd6 13. Bxd6 Qxd6 14. Rab1 Qe7
15. Rbe1 ({RR} 15. b4 a6 16. a4 Ne4 17. b5 axb5 18. axb5 Ra3 19. Bxe4 dxe4 20.
Nd2 Nh4 21. Ncxe4 Bf5 22. Qc5 Qxc5 23. Nxc5 Bxb1 24. Nxb1 Ra2 25. bxc6 bxc6 26.
Nc3 Rc2 27. N3e4 f5 28. Nd6 Rd8 29. Ndb7 Ra8 {Lazavik,D (2560)-Kramnik,V (2753)
chess.com INT 2023 1-0 (71)}) 15... Ne4 16. Bxe4 dxe4 17. Nd2 Bxh3 $146 ({RR} 
17... f5 18. f3 exf3 19. Nxf3 Bd7 20. e4 f4 21. Qf2 Rf8 22. Rd1 b6 23. Rfe1
Rad8 24. a3 Be8 25. b4 Bf7 26. Rc1 Rc8 27. Na4 Bb3 28. Nc3 Bf7 29. Rb1 c5 30.
bxc5 bxc5 31. d5 Ne5 32. Red1 {Saemisch,F-Podgorny,J Prague 1942 0-1 (47)}) 18.
gxh3 Qh4 19. Kh2 Nf4 20. exf4 Qxf4+ 21. Kh1 f5 22. Ne2 Qh4 23. Qb3+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Urquiza, Marcello"]
[Black "Baeta, Marcio Netto"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 a5 8. Qe2 d5
({RR} 8... O-O 9. h3 dxe5 10. dxe5 Na6 11. O-O Nc5 12. Rd1 Qe8 13. Nc3 Nxb3 14.
cxb3 Be6 15. Nd4 Bd5 16. Nxd5 Nxd5 17. Nf5 gxf5 18. Rxd5 Qc6 19. Qd3 e6 20. Rd7
Bxe5 21. Bh6 Bxb2 22. Rb1 Bg7 23. Qg3 {Nunn,J (2625)-Howell,J (2505) Isle of
Man 1994 1-0}) ({RR} 8... O-O 9. h3 dxe5 10. dxe5 Na6 11. Be3 Nd5 12. Nc3 Nxe3
13. Qxe3 e6 14. Rd1 Qe7 15. Ne4 b6 16. O-O Bb7 17. Rfe1 Nc5 18. Nxc5 Qxc5 19.
Qxc5 bxc5 20. Rd7 Bxf3 21. gxf3 Ra7 22. f4 Rb8 23. Red1 {Michalczak,T (2200)
-Polaczek,R (2302) chess.com INT 2023 1/2-1/2}) 9. h3 O-O 10. O-O Na6 11. Na3
$146 ({RR} 11. Nbd2 c5 12. c3 Bd7 13. Re1 cxd4 14. cxd4 Qe8 15. Qd1 Nb4 16. Nf1
Rc8 17. Ne3 Bh6 18. Nh2 Qd8 19. Rf1 Kh8 20. f4 f5 21. exf6 exf6 22. Nhg4 Bg7
23. f5 Nc4 24. Qe1 Nd3 25. Qg3 gxf5 {Jacob,V (2180)-Hasecic,S (2340)
Hockenheim 1994 0-1 (59)}) 11... c5 12. c3 Bf5 13. Bc2 Bxc2 14. Nxc2 Qc7 15. e6
f6 16. b3 c4 17. b4 axb4 18. cxb4 Qd6 19. a5 Nc8 20. Bd2 Nc7 21. Rfe1 Nb5 22.
g3 g5 23. Qe3 h6 24. Bc3 Ra6 25. Qd2 f5 26. h4 f4 27. g4 Bf6 28. hxg5 hxg5 29.
Ne5 Qxe6 30. f3 Qd6 31. Re2 Kg7 32. Rh2 Qd8 33. Kg2 Rh8 34. Rxh8 Qxh8 35. Rh1
Qe8 36. Kf1 e6 37. Ba1 Bxe5 38. dxe5 Qg6 39. Qh2 Qd3+ 40. Ke1 Kf7 41. Qh8 Qxc2
42. Rh7+ Qxh7 43. Qxh7+ Ke8 44. Qxb7 Ra7 45. Qxc8+ Kf7 46. Qc5 Rb7 47. a6 Rb8
48. a7 Ra8 49. Qxb5 Rxa7 50. Bd4 Re7 51. Qb6 Rd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Valcarcel, Victor I"]
[Black "Federzoni, Enzo"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4
Nc6 9. Qd2 $146 ({RR} 9. O-O Be6 10. Bb3 O-O 11. Re1 Rc8 12. Nd5 Bxd5 13. exd5
Na5 14. c3 Nxb3 15. axb3 Ng4 16. Bc1 Qd7 17. h3 Nf6 18. c4 Ne8 19. Bd2 f5 20.
Bc3 h6 21. Qe2 Bd8 22. b4 Nf6 23. Nd2 Ne4 {Sosovicka,J (2149)-Cajka,T (2104)
Sliac 2011 1-0 (54)}) ({RR} 9. Nd5 O-O 10. Bb6 Qd7 11. Nxf6+ Bxf6 12. Qd3 Ne7
13. O-O-O Qc6 14. Be3 b5 15. Bb3 Bb7 16. Qxd6 Qxd6 17. Rxd6 Bxe4 18. Nd2 Bb7
19. Bc5 Rac8 20. Rd7 Bxg2 21. Rg1 Rxc5 22. Rxg2 Nf5 23. Bd5 Nd4 {Dominguez
Perez,L (2758)-Shankland,S (2709) Saint Louis USA 2021 1/2-1/2 (32)}) ({RR} 9.
O-O Be6 10. Bb3 O-O 11. Bg5 Nd7 12. Bxe7 Qxe7 13. Nd5 Qd8 14. Qe2 Na5 15. Rfd1
Nxb3 16. axb3 Rc8 17. c3 Kh8 18. b4 f5 19. exf5 Bxf5 20. Nd2 Qg5 21. Ne4 Bxe4
22. Qxe4 Rf7 23. f3 Rcf8 {Zhu,J (2464)-Wagner,D (2342) chess.com INT 2022 1-0 
(70)}) 9... Na5 10. Bd5 O-O 11. O-O Bg4 12. Na4 Nxd5 13. Qxd5 Be6 14. Bb6 Bxd5
15. Bxd8 Rfxd8 16. exd5 Rac8 17. Rac1 b5 18. Nb6 Rb8 19. b4 Rxb6 20. bxa5 Rb7
21. c4 b4 22. g3 f6 23. Nd2 Rc8 24. Rc2 f5 25. Nb3 Rbc7 26. Rfc1 Bg5 27. f4
exf4 28. Re1 Rxc4 29. Re8+ Rxe8 30. Rxc4 fxg3 31. hxg3 Re4 32. Rc6 Re2 33. Kf1
Rxa2 34. Rxd6 Ra3 35. Nd4 b3 36. Rb6 Rxa5 37. Nxf5 Rxd5 38. Rb8+ Kf7 39. Rb7+
Kg6 40. g4 Rd3 41. Rxg7+ Kf6 42. Rb7 h5 43. Ng7 hxg4 44. Ke1 Kg6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Veiga, Emerson"]
[Black "Pessoa, Marcio"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 Nf6 6. e5 Nfd7 7. f4 e6 ({RR} 7...
b5 8. Nf3 Nb6 9. Bd3 a5 10. Ne2 b4 11. O-O Ba6 12. Ng3 e6 13. b3 N8d7 14. a3
Qc8 15. axb4 axb4 16. Qe2 Bxd3 17. Qxd3 O-O 18. Ne2 Qb7 19. Rae1 Qa6 20. Qd2
Qb5 21. g4 c5 22. f5 {Naroditsky,D (2621)-Nakamura,H (2736) chess.com INT 2020
1-0 (42)}) 8. Nf3 O-O 9. Bd3 $146 ({RR} 9. b4 a5 10. a3 Qe7 11. Na2 axb4 12.
axb4 Rxa2 13. Rxa2 Qxb4+ 14. Kf2 c5 15. Qd2 Qb6 16. c3 Nc6 17. Bd3 c4 18. Rb1
Qc7 19. Bc2 f6 20. Kg1 fxe5 21. fxe5 Ne7 22. Bh6 Nf5 23. Bxg7 Kxg7 {Dahlgren,J
(1824)-Akhayan,R (2249) chess.com INT 2023 0-1 (60)}) 9... f6 10. O-O b6 11.
Ne2 Ba6 12. Bxa6 Nxa6 13. Ng3 c5 14. c3 c4 15. h4 b5 16. a3 Nc7 17. h5 a5 18.
hxg6 hxg6 19. Nh4 Qe8 20. Qg4 Kh7 21. f5 exf5 22. Ngxf5 fxe5 23. Nxg7 Kxg7 24.
dxe5 Qe6 25. Qg5 Rh8 26. Rf6 Nxf6 27. exf6+ Kf8 28. Nxg6+ Ke8 29. Nxh8 Kd7 30.
Ng6 Rg8 31. f7 Rxg6 32. f8=Q Rxg5 33. Bxg5 Ne8 34. Rf1 Nd6 35. Qd8+ Kc6 36. Rf6
Qe5 37. Qxd6+ Qxd6 38. Rxd6+ Kxd6 39. Be3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Wagner, Julia"]
[Black "Cinta Larga, Carlos E"]
[Result "1-0"]
[ECO "C79"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. O-O Nf6 6. Re1 a6 7. Ba4 Be7 8. d4
exd4 9. cxd4 O-O ({RR} 9... Bg4 10. d5 b5 11. Bxb5 axb5 12. dxc6 d5 13. e5 Ne4
14. Nbd2 Bb4 15. Re3 Bc5 16. Re2 Ng5 17. Qb3 Ne6 18. Re1 h5 19. Nf1 d4 20. Rd1
h4 21. h3 Bh5 22. N1d2 Rb8 23. Ne4 Be7 24. Bd2 {Sivarajasingam,V (1930)-Assoum,
N chess.com INT 2020 1-0 (36)}) 10. Nc3 b5 11. Bc2 Bg4 12. a3 $146 ({RR} 12.
Re3 h6 13. h3 Bh5 14. g4 Bg6 15. Nh4 Nxg4 16. Nxg6 Nxe3 17. Nxe7+ Qxe7 18. Bxe3
Qd7 19. Qg4 Qxg4+ 20. hxg4 Ne7 21. Bb3 Rfe8 22. Nd5 Rac8 23. Rc1 c6 24. Nxe7+
Rxe7 25. f3 a5 26. Bf4 Rd7 {Korte,H (1697)-Sperling,R (1566) Germany 2003 1-0 
(52)}) 12... Bxf3 13. gxf3 Re8 14. Qd3 g6 15. Kh1 Bf8 16. Rg1 Bg7 17. Bg5 Qd7
18. Rad1 Nxd4 19. Qxd4 Nxe4 20. Qxe4 Rxe4 21. fxe4 Bxc3 22. bxc3 Qc6 23. Rg3
Qc5 24. Kg2 Qxa3 25. Bf6 a5 26. Bd3 Qc5 27. Rg5 Qc6 28. Rxb5 d5 29. e5 d4+ 30.
Kg1 dxc3 31. Rdb1 Re8 32. Bc2 a4 33. R5b4 Qf3 34. Bxa4 c2 35. Bxc2 h5 36. Be4
Qg4+ 37. Bg2 Qf5 38. R1b3 g5 39. Rb8 Qd7 40. Bf3 Kh7 41. Bxh5 g4 42. Rxe8 Qxe8
43. Bxg4 c5 44. Rh3+ Kg6 45. f4 Qxe5 46. Bxe5 f5 47. Bh5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "Zallio, Luciano"]
[Black "Quintiliano, Renato"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. e3 d5 3. b3 Bf5 4. Bb2 e6 5. Be2 h6 6. d4 Be7 7. O-O O-O 8. c4
Nbd7 9. Nc3 c6 10. Rc1 ({RR} 10. h3 Bd6 11. Bd3 Bxd3 12. Qxd3 Rc8 13. Rad1 Qa5
14. a3 dxc4 15. bxc4 Rcd8 16. Qc2 e5 17. Ne4 Nxe4 18. Qxe4 f5 19. Qc2 e4 20.
Nd2 Bb8 21. Rfe1 Rf6 22. Nf1 Rg6 23. Bc3 Qc7 24. d5 Nc5 {Nunez Colome,D (2010)
-Valhondo Morales,R (2133) Linares ESP 2023 0-1 (54)}) 10... a5 $146 ({RR} 
10... Re8 11. h3 Bd6 12. cxd5 exd5 13. Bd3 Bxd3 14. Qxd3 Qe7 15. Rc2 Ne4 16.
Nd2 f5 17. Re1 Qf6 18. a3 a5 19. Nf1 Qe7 20. f3 Nxc3 21. Bxc3 Rf8 22. a4 Qh4
23. Rce2 Bc7 24. e4 fxe4 25. fxe4 {Batashevs,A (2165)-Dragnev,V (2535)
Katowice POL 2021 0-1 (43)}) 11. a3 Bd6 12. Re1 Qe7 13. c5 Bc7 14. b4 axb4 15.
axb4 e5 16. b5 Rfe8 17. Qb3 Bg4 18. g3 e4 19. Nd2 Qe6 20. b6 Bb8 21. Qd1 h5 22.
f3 exf3 23. Bxf3 Qf5 24. Qe2 Nf8 25. Rf1 Qg6 26. Rce1 h4 27. Bxg4 Nxg4 28. Rf3
hxg3 29. hxg3 Ne6 30. Nd1 Ng5 31. Rff1 Bxg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "di Berardino, Diego"]
[Black "Souza, Rafael Cabral"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. Nf3 {CB} g6 2. g3 Bg7 3. d4 b6 4. Bg2 Bb7 5. O-O Nf6 6. c4 O-O 7. Qc2 Be4 ({
RR} 7... c5 8. d5 b5 9. cxb5 d6 10. e4 a6 11. b6 Nbd7 12. Bd2 a5 13. Nc3 Nxb6
14. Rad1 a4 15. Rfe1 Nc4 16. e5 Nxd2 ({RR} 16... Nxd5 17. Nxd5 Bxd5 18. exd6 e6
({RR} 18... exd6 19. Bg5) 19. Bc3) 17. Rxd2 Ng4 18. exd6 exd6 19. Nxa4 Bc8 20.
h3 Nh6 21. Nc3 Bf5 22. Qd1 {Nepomniachtchi,I (2714)-Morozevich,A (2724) Kazan
2014 CBM 164 [CB] 1/2-1/2 (49)}) 8. Qa4 c5 ({RR} 8... Nc6 9. d5 Na5 10. Nc3 Nb7
11. Nxe4 Nxe4 12. Qc2 Ned6 13. Bd2 a5 14. Bc3 Bxc3 15. Qxc3 Nc5 16. Nd4 f5 17.
e3 Qe8 18. b3 Qf7 19. a3 Nce4 20. Qc2 Qg7 21. Rac1 h5 22. Nb5 Rac8 23. Nxd6 {
Van Heirzeele,D (2056)-Stark,J (2009) Auckland NZL 2023 1/2-1/2}) 9. d5 d6 $146
({RR} 9... e6 10. Nc3 exd5 11. cxd5 Bxf3 12. Bxf3 d6 13. Qh4 Nbd7 14. Bf4 Ne8
15. Qxd8 Rxd8 16. a4 a6 17. e4 Ne5 18. Be2 Nc7 19. Rab1 Rfe8 20. Rfc1 f5 21.
exf5 gxf5 22. b4 Ng6 23. Bg5 Rb8 24. Bd3 {Ladva,O (2498)-Kovalenko,I (2624)
Liepaja LAT 2018 1/2-1/2 (122)}) 10. Nc3 Bf5 11. Ne1 Qc8 12. e4 Bd7 13. Qc2 Na6
14. b3 Nc7 15. Nd3 b5 16. Bd2 bxc4 17. bxc4 Qa6 18. Nd1 Ba4 19. Qc1 Rab8 20.
Ne3 Bd7 21. h3 Qc8 22. Kh2 Na6 23. e5 Ne8 24. f4 Nb4 25. Nxb4 Rxb4 26. Bc3 Ra4
27. Qb2 Nc7 28. exd6 Bxc3 29. Qxc3 exd6 30. f5 Qa6 31. Ng4 f6 32. Nxf6+ Rxf6
33. Qxf6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "3"]
[White "do Carmo, Gabriel"]
[Black "Oliveira, Renato Sena"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "125"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nc3 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. b3 d5 8. e3 Ne4
({RR} 8... b6 9. Bb2 Bb7 10. Ne2 Bd6 11. Qc2 Na6 12. Rad1 Rc8 13. Qb1 Qe7 14.
Be5 Ba3 15. Bb2 Bd6 16. Qa1 Nb4 17. d3 a5 18. Ned4 Nd7 19. a3 Na6 20. cxd5 cxd5
21. Nb5 Bb8 22. Qa2 Rc5 23. Nc3 {Agrest,E (2595)-Kostenko,P (2461) Tromsoe
2014 0-1 (56)}) 9. Bb2 Bf6 10. Qc2 e5 $146 ({RR} 10... Nd7 11. Na4 Qe7 12. d3
Bxb2 13. Qxb2 Nef6 14. Rac1 Re8 15. Nc3 Nf8 16. b4 Ng6 17. a4 Bd7 18. a5 Rac8
19. Na4 Red8 20. Nc5 Be8 21. Ne5 a6 22. Nxg6 hxg6 23. Qe5 Bf7 24. h3 Nd7 25.
Nxd7 {Mertens,K (2075)-Rudolph,J (1874) Seefeld 2008 1/2-1/2}) 11. Nxe4 fxe4
12. Nxe5 Bf5 13. Rad1 Qd6 14. d4 exd3 15. Nxd3 Bxb2 16. Qxb2 dxc4 17. Ne5 Qf6
18. Nxc4 Na6 19. Qxf6 Rxf6 20. Nd6 Rb8 21. e4 Be6 22. f4 Bg4 23. Rd2 Rd8 24. e5
Re6 25. h3 Bh5 26. g4 Bf7 27. Rfd1 Rd7 28. Nxf7 Rxd2 29. Nh6+ gxh6 30. Rxd2 Kf7
31. Bf1 b5 32. Bd3 Nb4 33. Bxh7 Nd5 34. Rf2 Kg7 35. Be4 Nc3 36. Bf5 Re7 37. Rc2
b4 38. Kf2 h5 39. Kf3 hxg4+ 40. hxg4 c5 41. Rd2 a5 42. g5 Nb5 43. Bh3 Nd4+ 44.
Ke4 Re8 45. f5 Rh8 46. Rh2 Rh4+ 47. Kd5 Nxf5 48. Kxc5 Ne7 49. Kb5 Kg6 50. Kxa5
Nc6+ 51. Kb6 Nxe5 52. Bf5+ Kxg5 53. Rxh4 Kxh4 54. Kc5 Kg5 55. Bh7 Kf6 56. Kxb4
Ke6 57. Kc5 Kd7 58. Kb6 Kc8 59. Bf5+ Kb8 60. a4 Nf3 61. a5 Nd4 62. Bh3 Nxb3 63.
a6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Almeida, Tiago"]
[Black "Wagner, Julia"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "89"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 Be7 7. Be3 O-O 8. Qd2
Nc6 9. O-O-O a6 10. g4 Nd7 11. Kb1 Nde5 12. Be2 Nxd4 13. Bxd4 Nc6 14. Be3 b5
15. h4 $146 ({RR} 15. g5 Qa5 16. Rdg1 b4 17. Nd1 b3 18. axb3 Qxd2 19. Bxd2 Nd4
20. Nc3 Nxe2 21. Nxe2 a5 22. Nd4 Bd7 23. f4 Rfb8 24. f5 a4 25. bxa4 Rxa4 26.
Bc3 e5 27. Nb3 Rxe4 28. f6 Bf8 29. Rd1 Be6 {Palmitessa,C (1807)-Zanaboni,A 
(1587) Bratto 2009 1-0 (45)}) 15... Qa5 16. Bd3 b4 17. Ne2 Ne5 18. Nd4 Bb7 19.
Rdg1 d5 20. Qf2 Nc4 21. Nb3 Qc7 22. Bg5 Rfc8 23. Bxe7 Qxe7 24. g5 a5 25. h5 a4
26. Nd4 b3 27. cxb3 axb3 28. Nxb3 Qb4 29. g6 Ba6 30. gxh7+ Kh8 31. Bxc4 Bxc4
32. Qd4 Bd3+ 33. Qxd3 dxe4 34. h6 g6 35. Qxe4 Qxe4+ 36. fxe4 Ra4 37. Rf1 Rc7
38. e5 Re4 39. Re1 Rec4 40. Rc1 Kxh7 41. Rxc4 Rxc4 42. Nd2 Rc5 43. Nf3 Rc7 44.
Ng5+ Kg8 45. Rc1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Andrade, Guilherme Souza"]
[Black "do Carmo, Gabriel"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 c6 7. Bd3 O-O 8. Qc2
Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 g6 12. Rad1 b5 13. Bh4 Ne6 14. h3 a5 15.
Bf2 Ba6 16. e4 b4 17. Na4 Bxd3 18. Qxd3 dxe4 $146 ({RR} 18... Rc8 19. e5 Nh5
20. Be3 c5 21. f4 Nhg7 22. g4 cxd4 23. Nxd4 Nxd4 24. Qxd4 Rc2 25. Qxd5 Qc8 26.
Rc1 h5 27. Nb6 Qc7 28. Qe4 Bc5 29. Nd5 Bxe3+ 30. Qxe3 Rxc1 31. Nf6+ Kf8 32.
Rxc1 Qe7 33. Nxe8 {Satanovskaia,E (1920)-Sedunov,A (1530) St Petersburg RUS
2022 1-0 (34)}) 19. fxe4 Ng5 20. Ng3 Qc7 21. Qe3 Ne6 22. Ne2 Rad8 23. Bg3 Qb7
24. Kh1 Qb5 25. b3 Ng5 26. Nc5 Bxc5 27. Qxg5 Nxe4 28. Qf4 Qxe2 29. Qxf7+ Kh8
30. Be5+ Rxe5 31. dxc5 Ng3+ 32. Kg1 Qe3+ 33. Kh2 Nxf1+ 34. Rxf1 Re6 35. Qa7
Qe5+ 36. Kh1 Rf6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Andrade, Roberto Costa"]
[Black "Correa, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 O-O
15. fxe6 Nb6 16. Qh5 Bf6 17. exf7+ Qxf7 18. Qxf7+ Rxf7 19. Be2 $146 ({RR} 19.
Nd5 Nxd5 20. exd5 Bxd4 21. Rxd4 Bf5 22. Bd3 Bxd3 23. Rxd3 Rc8 24. Rd2 Rf5 25.
b4 Rc4 26. a3 Re4 27. Kb2 g5 28. Rd3 Re2 29. h3 Kf7 30. Rhd1 Rh2 31. Rc3 Kf6
32. Rdd3 Rff2 33. Re3 Re2 {Tong,K (1994)-Bildt,M (2079) Bayern 2016 0-1 (53)})
19... Be5 20. h3 Bd7 21. Nd5 Nxd5 22. exd5 Rf2 23. Bg4 Bxg4 24. hxg4 Bxd4 25.
Rxd4 Rc8 26. c3 Re8 27. Rb4 Re5 28. Rd1 Ree2 29. a4 bxa4 30. Ka2 Kf7 31. Rdd4
Kg6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Assad, Leonardo"]
[Black "Cicuto, Marcelo Cezar"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nf3 g6 3. g3 d5 4. d4 Bg7 5. Bg2 O-O 6. O-O c5 7. dxc5 Nc6 8. Nc3
dxc4 9. Qa4 Qa5 10. Qxc4 ({RR} 10. Qxa5 Nxa5 11. Rd1 Bf5 12. Be3 Ng4 13. Bg5
Nc6 14. h3 Nge5 15. Nxe5 Bxe5 16. g4 Be6 17. Bxc6 bxc6 18. Bxe7 Rfe8 19. Bd6
Bg7 20. e4 f5 21. gxf5 gxf5 22. e5 Kf7 23. f4 Bh6 24. Rd4 Rg8+ {Artemiev,V 
(2731)-Yu Yangyi (2726) Wijk aan Zee NED 2020 1/2-1/2 (50)}) 10... Be6 11. Qb5
$146 ({RR} 11. Qh4 Rad8 12. Ng5 Bc8 13. Nce4 h5 14. Nxf6+ Bxf6 15. e4 Ne5 16.
h3 Kg7 17. a3 Qxc5 18. Be3 Qb5 19. a4 Qa5 20. Rfb1 Nd3 21. b4 Nxb4 22. e5 Bxe5
23. g4 Bxa1 24. gxh5 Nc2 25. hxg6 Rh8 {Stumpers,L-Donner,J Amsterdam 1950 0-1})
11... Qxb5 12. Nxb5 Bc4 13. Nc3 Nd7 14. Be3 Bxc3 15. bxc3 Bxe2 16. Rfb1 Rab8
17. Nd4 Nxd4 18. cxd4 Nf6 19. Rxb7 Rxb7 20. Bxb7 Bc4 21. a4 a5 22. Bd2 Rd8 23.
Bxa5 Rxd4 24. Bb6 Bd5 25. Bxd5 Nxd5 26. a5 Nb4 27. a6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Avelar, Flavio Henrique"]
[Black "Fontoura, Alexandre"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. c4 ({RR} 4. Bg3 Nf6 5. Nbd2 O-O 6. e3 b6 7. c3
Bb7 8. Bc4 c5 9. dxc5 bxc5 10. Qc2 Nbd7 11. O-O a5 12. Rad1 Ra7 13. Rfe1 Qa8
14. e4 Nb6 15. e5 dxe5 16. Bf1 e4 17. Ng5 a4 18. Ndxe4 Nxe4 {khallod (2540)
-Rego,V (2481) lichess.org 2021 0-1 (53)}) ({RR} 4. h4 h6 5. e4 Nd7 6. Nc3 a6
7. a4 c5 8. dxc5 Nxc5 9. e5 Qa5 10. Bd2 Qd8 11. Bf4 Qa5 12. exd6 Ne4 13. Bd2
Nxc3 14. bxc3 exd6 15. Bd3 Ne7 16. Qe2 Bxc3 17. O-O Be6 18. Rab1 Bxd2 {Colbow,
C (2395)-Dobrikov,M (2256) chess.com INT 2023 1/2-1/2}) 4... c5 5. e3 Nc6 6. h3
$146 ({RR} 6. Nc3 cxd4 7. exd4 Bg4 8. d5 Ne5 9. Be2 Bxf3 10. gxf3 Nf6 11. Be3
Qd7 12. h3 Qf5 13. f4 Ned7 14. Nb5 O-O 15. Nd4 {1-0 (15) Bezold,M-Mayer,F
Trier 1989}) 6... Qb6 7. Nc3 cxd4 8. exd4 Nxd4 9. Rb1 Bf5 10. Bd3 Nxf3+ 11.
Qxf3 Bxd3 12. Qxd3 Qd4 13. Qxd4 Bxd4 14. Nb5 Bb6 15. O-O h6 16. Nc3 O-O-O 17.
Rfe1 e5 18. Bg3 Rd7 19. Nd5 Bd8 20. f3 Nf6 21. Red1 Nxd5 22. Rxd5 Bb6+ 23. Kf1
g5 24. Rbd1 Rhd8 25. Be1 Bd4 26. b3 Kc7 27. a4 Kc6 28. Bf2 Bxf2 29. Kxf2 f5 30.
Ke3 b6 31. R1d2 Re8 32. g4 fxg4 33. hxg4 Rf8 34. Rh2 Rdf7 35. Rf2 Rf4 36. Rf1
a6 37. Rf2 R8f6 38. Ke2 e4 39. Rf5 R6xf5 40. gxf5 Rxf5 41. fxe4 Rxf2+ 42. Kxf2
Kc5 43. Ke3 Kb4 44. Kd4 g4 45. Kd5 g3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Baeta, Marcio Netto"]
[Black "Bisesar, Maycon"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. d4 Bg7 5. e5 dxe5 6. fxe5 Nd5 7. Bc4 Nb6 ({RR} 
7... Nxc3 8. bxc3 O-O 9. Nf3 c5 10. h3 cxd4 11. cxd4 Nc6 12. c3 e6 13. O-O b6
14. Qe1 Na5 15. Bd3 Bb7 16. Bg5 Qc7 17. Rc1 Nc4 18. Qh4 Rac8 19. Bf6 Ne3 20.
Rfe1 Nf5 21. Bxf5 exf5 22. Bxg7 {JorgePereGX (2350)-Rego,V (2375) lichess.org
2021 0-1}) 8. Bb3 Nc6 9. Be3 Na5 10. Qe2 $146 ({RR} 10. Qf3 Nxb3 11. axb3 c6
12. Nge2 Bf5 13. O-O O-O 14. Ne4 Nd5 15. Bd2 f6 16. c4 fxe5 17. cxd5 cxd5 18.
N4c3 e6 19. Be3 Qb6 20. dxe5 Qxb3 21. Bd4 a5 22. Qe3 a4 23. Ra3 Qc4 24. Rc1 b5
{Halilovic,F (2036)-Avdic,A (2006) Tuzla BIH 2022 1-0 (52)}) 10... Nxb3 11.
axb3 Nd5 12. Bd2 O-O 13. Nxd5 Qxd5 14. Nf3 b6 15. c4 Qd8 16. Qe4 Bf5 17. Qe3
Bc8 18. Bc3 Bb7 19. O-O Bxf3 20. Rxf3 f5 21. d5 a5 22. e6 Bxc3 23. bxc3 Qd6 24.
Rd1 a4 25. b4 c5 26. Qh6 Qe5 27. Re3 Qf6 28. d6 a3 29. Rh3 Qg7 30. Qxg7+ Kxg7
31. d7 a2 32. Ra1 f4 33. Rd3 Kf6 34. d8=Q Rfxd8 35. Rxd8 Rxd8 36. Rxa2 cxb4 37.
cxb4 Kxe6 38. Re2+ Kf6 39. Kf2 e5 40. Rc2 Kf5 41. c5 Rc8 42. Ke1 bxc5 43. bxc5
Rc6 44. g3 g5 45. h4 h6 46. hxg5 hxg5 47. gxf4 gxf4 48. Kd1 Ke4 49. Ke2 Kd4 50.
Kf3 Rxc5 51. Rd2+ Kc3 52. Rd8 Kc2 53. Ke4 Kc1 54. Rd7 Rc3 55. Kxe5 f3 56. Ke4
f2 57. Rf7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Bandeira, Tarciano"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "134"]
[EventDate "2021.??.??"]

1. e4 {Finkel,A} d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7.
O-O c6 ({RR} 7... Nc6 8. c4 Nb6 ({RR} 8... Nf6 9. Nc3 Be7 10. Bf4 O-O 11. Rad1
Qd7 12. Ne5 Qe8 13. Qf3 Bd6 14. c5) 9. Nc3 Be7 10. Bf4 g5 ({RR} 10... O-O 11.
Rad1 Bf6 12. Ne4 Rc8 13. Nfg5 Bxg5 14. Nxg5 g6 15. d5 exd5 16. cxd5 Nb4 17. Qh3
) 11. Bg3 g4 12. Ne5 Nxd4 ({RR} 12... Qxd4 13. Qe2 Qc5 14. Ne4 Qb4 15. b3 h5
16. Rfd1) 13. c5 ({RR} 13. Rad1 c5 14. Ne2 h5 15. Nxd4 cxd4 16. c5) 13... Bxc5
14. Rad1 O-O ({RR} 14... f6 15. Nxg4 Nd7 16. Nb5) 15. Ne4 Be7 16. Nxg4 ({RR} 
16. Qxd4 Qxd4 17. Rxd4 c5 18. Rdd1 f5 19. Nd7 fxe4 20. Nxf8 Rxf8 21. Rfe1)
16... c5 ({RR} 16... Nf5 17. Qc3 Nd5 18. Rxd5 exd5 19. Nef6+ Kh8 20. Be5) ({RR
} 16... f5 17. Nh6+ Kg7 18. Be5+ Kxh6 19. Qh3+ Kg6 20. Bxd4 Nd5 21. Nc3) 17. b4
({RR} 17. Be5 f6 18. Ng5 Nf5 ({RR} 18... fxg5 19. Nh6#) 19. Nh6+) 17... Nd5 18.
bxc5 ({RR} 18. Be5 Nf5 19. Nh6+ Nxh6 20. Qg3+) 18... Nf5 19. Qf3 Rc8 20. Bd6
Nxd6 ({RR} 20... Bxd6 21. Rxd5 exd5 22. Nef6+ Kg7 23. Qxf5) ({RR} 20... Rc6 21.
Rxd5 exd5 22. Qxf5 dxe4 23. Nh6+ Kg7 24. Qe5+ Bf6 25. Qh5) 21. cxd6 Bh4 22. d7
{Topalov,V (2801)-Kamsky,G (2686) Wijk aan Zee 2006 CBM 111 [Finkel,A] 1-0} {RR
} Rc7 23. Rxd5 exd5 24. Nef6+ Bxf6 25. Nxf6+ Kg7 26. Ne8+ Rxe8 27. dxe8=Q Qxe8
28. Qg3+) 8. Nc3 $146 ({RR} 8. c4 Nf6 9. Nc3 Be7 10. Ne5 Nbd7 11. f4 O-O 12.
Be3 Qc7 13. Rad1 Rad8 14. Qc2 a6 15. c5 Nd5 16. Nxd5 exd5 17. Nxd7 Qxd7 18. f5
Bf6 19. Rde1 Rfe8 20. Bf2 Rxe1 21. Rxe1 Re8 22. Rxe8+ Qxe8 {Asiain,J-Medina,J
Mexico 1932 1/2-1/2 (34)}) ({RR} 8. c4 Nf6 9. Nc3 Bd6 10. b3 Nbd7 11. Bb2 O-O
12. Rfe1 a5 13. Rad1 Re8 14. Ne4 Nxe4 15. Rxe4 Nf6 16. Rh4 h6 17. Qc2 a4 18.
Rd3 axb3 19. axb3 b5 20. Ne5 Ra6 21. Rg3 Ra2 22. Qc1 Bxe5 {Lisjak,Z (2226)
-Gabr,M (2208) chess.com INT 2023 0-1}) 8... Nxc3 9. bxc3 Be7 10. Bf4 Nd7 11.
Rab1 b6 12. c4 O-O 13. Rfe1 Nf6 14. Ne5 Rc8 15. c3 Nd7 16. Ng4 Bg5 17. Bd6 Re8
18. c5 bxc5 19. Rb7 cxd4 20. Qxd4 c5 21. Qa4 Nb6 22. Qxa7 Qxd6 23. Rxb6 Qd2 24.
Reb1 Qxc3 25. h3 h5 26. Nh2 Ra8 27. Qc7 Rxa2 28. Rb8 Ra8 29. R8b3 Qc2 30. Nf3
Ra2 31. Qg3 Bf4 32. Qh4 Rea8 33. Ne1 Qf5 34. g4 hxg4 35. hxg4 Qg5 36. Rb8+ Bxb8
37. Qxg5 Bd6 38. Rd1 Bf8 39. Rd7 Ra1 40. Kf1 R1a7 41. Rxa7 Rxa7 42. Qd8 Ra3 43.
Qc8 g6 44. Ke2 Ra4 45. Nd3 Kg7 46. Nxc5 Bxc5 47. Qxc5 Rxg4 48. Qe5+ Kg8 49. f4
Rh4 50. Kf3 Rh5 51. Qb8+ Kg7 52. Qd8 Rf5 53. Ke4 Kh7 54. Qf8 Rf6 55. Qe7 Kg7
56. Qd8 Rf5 57. Qd4+ Kg8 58. Qd8+ Kg7 59. Qc7 Kh7 60. Qc3 Rd5 61. Kf3 Rf5 62.
Kg4 Rd5 63. Qf6 Rf5 64. Qd8 Rd5 65. Qe7 Rf5 66. Qc7 Kg7 67. Qc3+ Kg8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Barbosa, Evandro Amorim"]
[Black "Sega, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "E16"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. a3
({RR} 8. cxd5 exd5 ({RR} 8... Bxd5 9. Qc2 Nbd7 10. a3 Bxd2 11. Bxd2 c5 12. dxc5
Nxc5 13. b4 Nb3 14. Rad1 Rc8) 9. a3 Bd6 10. Nh4 ({RR} 10. b4 Nbd7 11. Bb2 Re8
12. Re1 Ne4 13. Nxe4 dxe4 14. Nd2 b5) 10... Re8 11. b3 Nbd7 12. Bb2 g6 13. e3
Ne4 14. Qc2 a5) 8... Bxd2 9. Nxd2 c5 ({RR} 9... Nbd7 10. cxd5 Nxd5 11. Nc4 h6
12. Re1 Rc8 13. e4 N5f6 14. b4 Qe7 15. Qb3 Rfd8) 10. dxc5 bxc5 11. cxd5 exd5
12. b4 Nbd7 13. Nb3 Rc8 14. Be3 $146 ({RR} 14. bxc5 Nxc5 15. Nxc5 Rxc5 16. Be3
Ra5 17. Qd4 Qd7 18. Rfb1 Bc6 19. Rb4 Re8 20. Qd2 Ra4 21. Bd4 Ne4 22. Qb2 f6 23.
e3 a6 24. Rc1 Rxb4 25. Qxb4 Bb5 26. f3 Ng5 27. h4 Nh3+ 28. Kh2 Nf2 {Fassnacht,
P (2285)-Grossmann,R (2210) Mainz 1997 1-0 (51)}) 14... cxb4 15. axb4 a6 16.
Bd4 Re8 17. e3 Bc6 18. Bh3 Bb5 19. Re1 Rc4 20. Nc5 Rxb4 21. Nxa6 Bxa6 22. Rxa6
Ne5 23. Bg2 Qc8 24. Ra4 Rxa4 25. Qxa4 Qf5 26. Rd1 Rc8 27. Bxe5 Qxe5 28. Qa5 h5
29. Qd2 Rc5 30. h3 Rb5 31. Qd4 Qxd4 32. Rxd4 Rb1+ 33. Bf1 Kf8 34. Kg2 Rb2 35.
Kf3 Ke7 36. g4 hxg4+ 37. hxg4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Barbosa, Marcio Jordao"]
[Black "Melo, Igor"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. Bb3 d6 10. h3 Bd7 11. Re1 Nxd4 12. Bxd4 Bc6 13. Qd2 ({RR} 13. Nd5
Bxd5 14. exd5 Rfe8 15. c4 a6 16. Re3 Nh5 17. a3 Bxd4 18. Qxd4 Ng7 19. Bc2 e5
20. dxe6 Rxe6 21. b4 Qc7 22. Ree1 Rae8 23. Red1 Qe7 24. Bd3 Qg5 25. Qb6 Qe7 26.
Qa7 Nh5 27. Bf1 Nf4 {Bologan,V (2510)-Muco,F (2460) Kavala 1991 1/2-1/2 (44)})
({RR} 13. Nd5 Bxd5 14. exd5 Rfe8 15. c3 Nd7 16. Bxg7 Kxg7 17. Qd4+ Kg8 18. Re3
Qc5 19. Rd1 Qxd4 20. Rxd4 Kf8 21. Ba4 Red8 22. Bc2 b5 23. a4 Rab8 24. Rb4 a6
25. Bd3 bxa4 26. Bxa6 Nc5 27. Bb5 Rb6 {Clawitter,C (2050)-Mouhamad,J (2244)
chess.com INT 2023 0-1 (39)}) 13... Nd7 14. Rad1 $146 ({RR} 14. Bxg7 Kxg7 15.
Rad1 Nc5 16. e5 Nxb3 17. axb3 dxe5 18. Qg5 f6 19. Qe3 Rad8 20. f4 Qb6 21. Rxd8
Qxe3+ 22. Rxe3 Rxd8 23. fxe5 Rd2 24. exf6+ Kxf6 25. Re2 Rd7 26. Kf2 e5 27. Ne4+
Ke6 28. Nc5+ Kd6 {Ronka,E (2303)-Kwon,S (2167) chess.com INT 2020 1-0 (72)})
14... Rae8 15. a3 Bxd4 16. Qxd4 Qc5 17. Qd2 b5 18. Qe2 a5 19. Nd5 b4 20. axb4
axb4 21. Kh1 Bxd5 22. Rxd5 Qa7 23. Qd2 Rb8 24. Rd4 Qa5 25. f4 Nc5 26. Bc4 Qb6
27. b3 Kg7 28. Rd5 Kg8 29. Re3 Ra8 30. f5 Ra1+ 31. Kh2 Rb8 32. fxg6 hxg6 33.
Rg5 e6 34. Qe2 Qd8 35. Reg3 Qf6 36. h4 Kg7 37. e5 dxe5 38. Rf3 Qxg5 39. hxg5
Rh8+ 40. Rh3 Rxh3+ 41. gxh3 e4 42. Qd2 e5 43. Qd5 Ra7 44. Qxc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Bittencourt, Jorge"]
[Black "Urquiza, Marcello"]
[Result "1-0"]
[ECO "D27"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Be2 Nc6 8. dxc5
Qxd1 9. Rxd1 Bxc5 10. b3 Ke7 $146 ({RR} 10... O-O 11. Bb2 Rd8 12. Nc3 Bd7 13.
Rac1 Ba7 14. Nd2 Nb4 15. a3 Nbd5 16. Nxd5 Nxd5 17. Bf3 Bc6 18. Nc4 Ne7 19. Na5
Bxf3 20. gxf3 Rxd1+ 21. Rxd1 b6 22. Nc4 Nd5 23. e4 Nf4 24. Be5 Ng6 25. Bc7 {
Krishna Teja,N (2378)-Sanz Wawer,D (2265) Arandjelovac SRB 2021 1/2-1/2 (39)})
({RR} 10... O-O 11. Bb2 Be7 12. Nbd2 b5 13. a4 bxa4 14. bxa4 Bb7 15. Nc4 Rfd8
16. Nfe5 Nxe5 17. Bxe5 Rxd1+ 18. Rxd1 Rd8 19. Bd6 Bxd6 20. Rxd6 Rc8 21. f3 Kf8
22. Na5 Bd5 23. e4 Rc5 24. Rxa6 Ba2 25. Ra8+ {Yoo,C (2606)-Toncheva,N (2263)
chess.com INT 2023 1-0 (37)}) 11. Bb2 Bd7 12. Nbd2 Rac8 13. Rac1 Nb4 14. a3
Nbd5 15. Ne5 Ba7 16. Nxd7 Rxc1 17. Rxc1 Kxd7 18. Nc4 Bb8 19. Na5 b5 20. a4 bxa4
21. bxa4 Nc7 22. Nc6 Nfe8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Boabaid, Jorge Alberto"]
[Black "Dantas, Neimar"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5
Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Ne7 13. Nce3 O-O 14. Bd3 Bxe3
15. Nxe3 Be6 16. O-O d5 17. exd5 Nxd5 18. Nxd5 Qxd5 $146 ({RR} 18... Bxd5 19.
Qc2 g6 20. Rad1 Qg5 21. Be4 Bxe4 22. Qxe4 Qf6 23. Rd5 Rfe8 24. Rfd1 Rad8 25. h3
Rxd5 26. Qxd5 Qe6 27. Kf1 Qxd5 28. Rxd5 Re6 29. a4 bxa4 30. Ra5 Rb6 31. Rxa4
Rxb2 32. Rxa6 Rc2 33. Rc6 {Martinez Villena,D-Sanchez Perez,S Valencia 2004
1-0 (51)}) 19. Qe2 f5 20. f3 Rad8 21. Rfd1 Qc5+ 22. Kh1 Rfe8 23. Qc2 g6 24. a4
Rd6 25. axb5 axb5 26. Ra5 Red8 27. Qe2 Qc4 28. Ra8 Rxa8 29. Bxc4 Bxc4 30. Qe1
Rxd1 31. Qxd1 e4 32. h4 e3 33. b3 e2 34. Qe1 Rd8 35. Kg1 Rd1 36. Kf2 Rxe1 37.
Kxe1 Bd3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Bocca, Edson Ricardo"]
[Black "Deves, Rafael"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Nf6 5. Be3 ({RR} 5. h3 Be7 6. Bd3 Nc6 7.
Be3 Nb4 8. Be2 Bf5 9. Rc1 O-O 10. a3 Nc6 11. g4 Be6 12. f4 Re8 13. Nf3 Na5 14.
f5 Bc8 15. Ne5 Bd6 16. O-O Nc6 17. Nxc6 bxc6 18. Qd2 Rb8 19. Rb1 Qe7 {Shirazi,
K (2455)-Glek,I (2601) Bad Zwesten 2002 1/2-1/2 (65)}) 5... Bd6 ({RR} 5... c6
6. h3 Bd6 7. Qd2 Bf5 8. Bd3 Ne4 9. Bxe4 dxe4 10. O-O-O Nd7 11. Kb1 Nb6 12. d5
Nc4 13. Qd4 Nxe3 14. Qxe3 Qe7 15. f3 O-O 16. fxe4 Rfe8 17. Re1 Bb4 18. Re2 Bxc3
19. Qxc3 Bxe4 20. Nf3 {Bocca,E (1583)-Ribeiro,A (1861) Esporte Clube Pinheiros,
São 2015 0-1 (48)}) 6. Nf3 O-O 7. h3 ({RR} 7. Bd3 Bg4 8. Qd2 c6 9. O-O-O b5 10.
Kb1 a5 11. h3 Bh5 12. g4 Bg6 13. Bxg6 fxg6 14. Rdg1 a4 15. h4 b4 16. Ne2 Ne4
17. Qd3 Rxf3 18. h5 g5 19. Ng3 Bxg3 20. fxg3 Nd7 21. Rf1 Rxf1+ {Alvarez
Sarmiento,A-Hlavina,M (2119) lichess.org INT 2021 0-1}) 7... c6 $146 ({RR} 7...
Be6 8. Bd3 Nc6 9. Ng5 Qd7 10. Qf3 Nb4 11. O-O Nxd3 12. cxd3 Bf5 13. Rad1 Rfe8
14. Bf4 h6 15. Nxf7 Kxf7 16. Bxd6 cxd6 17. Nxd5 Nxd5 18. Qxd5+ Be6 19. Qf3+ Kg8
20. Rfe1 Bxa2 21. d5 Qf7 22. Qxf7+ {Bengrina,A-Saouli,A Tiaret 2000 0-1}) 8.
Qd2 Bf5 9. Bd3 Bxd3 10. cxd3 Re8 11. O-O Nbd7 12. Rfe1 Qc7 13. a3 Re7 14. Rac1
a6 15. Re2 Rae8 16. b4 Qb8 17. Na4 Nh5 18. Rce1 Nf4 19. Bxf4 Rxe2 20. Rxe2 Rxe2
21. Qxe2 Bxf4 22. Nd2 Bxd2 23. Qxd2 Kf8 24. Nc5 Nxc5 25. dxc5 Qe5 26. d4 Qe4
27. f3 Qf5 28. Kf2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Borges, Ivoney"]
[Black "Marquezini, Paulo E"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "39"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb3 Bc5 $146 ({RR} 5... Bb4+ 6.
c3 Be7 7. f4 d6 8. Qf3 h5 9. Bd3 Qh4+ 10. Qf2 Qxf2+ 11. Kxf2 Bd7 12. N1d2 g5
13. fxg5 Ne5 14. Ke2 Bxg5 15. Nf3 Bxc1 16. Raxc1 Nxd3 17. Kxd3 Nh6 18. Rhf1 Rg8
19. Rc2 O-O-O 20. Re2 {Moritz,D-Stepak,Y Haifa/Tel Aviv 1971 1/2-1/2}) ({RR} 
5... Qg6 6. f3 Bd6 7. Nc3 Nge7 8. Be3 Bxh2 9. Qd2 Bg3+ 10. Bf2 b6 11. O-O-O
Bxf2 12. Qxf2 Bb7 13. Bd3 O-O-O 14. e5 Qe6 15. f4 f6 16. f5 Qf7 17. exf6 Qxf6
18. Ne4 Qf8 19. Rhf1 Ne5 20. Qg3 {Yu,Y (2675)-Carlsen,M (2881) Dubai 2014 0-1 
(59)}) ({RR} 5... d6 6. Nc3 Be6 7. Be3 a6 8. Be2 Qd8 9. f4 Nf6 10. O-O Be7 11.
Bf3 Qd7 12. Nd5 O-O 13. Nd2 Bxd5 14. exd5 Nb4 15. Nb3 Qf5 16. Nd4 Qd7 17. c4 a5
18. g4 Qd8 19. Nf5 Re8 20. a3 {Saim,M (2171)-Bousmaha,W (1760) Algiers 2016 1-0
}) 6. Nxc5 Qd4 7. Qxd4 Nxd4 8. Bd3 Nf6 9. Nc3 O-O 10. Be3 Nc6 11. O-O Nb4 12.
a3 Nxd3 13. Nxd3 d6 14. f3 b6 15. Bg5 Nd7 16. Nd5 f6 17. Bd2 Bb7 18. c4 Rac8
19. Ne7+ Kh8 20. Nxc8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Braga, Marcelo Melem"]
[Black "Carvalho, Willian"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. h3 Bg7 7. Nf3 O-O ({RR} 
7... c5 8. Bb5+ Bd7 9. dxc5 Bxc3+ 10. bxc3 Bxb5 11. Qxd8+ Kxd8 12. cxb6 axb6
13. Be3 Nd7 14. Nd4 Bc4 15. Kd2 Nc5 16. f3 e5 17. Nb3 Na4 18. Kc2 Ke7 19. Nd2
Be6 20. Rhc1 Rac8 21. c4 b5 22. Kb3 {Larsen,B (2535)-Ljubojevic,L (2610)
Roquebrune 1992 0-1 (33)}) 8. Bb5 $146 ({RR} 8. a4 a5 9. Be2 Nc6 10. Be3 Nb4
11. O-O c6 12. Rc1 Be6 13. b3 h6 14. Nh4 g5 15. Nf3 f5 16. exf5 Bxf5 17. Ne5 e6
18. Nc4 N6d5 19. Nxd5 exd5 20. Ne5 Qd6 21. f4 gxf4 22. Bxf4 Be4 {Dillmann,
E-Brock,W Paris 1963 1/2-1/2}) ({RR} 8. Bf4 Nc6 9. d5 Na5 10. Qc2 c6 11. dxc6
Nxc6 12. Rd1 Bd7 13. Be2 Qc8 14. O-O Nb4 15. Qb3 a5 16. a3 Be6 17. Nd5 N4xd5
18. exd5 Nxd5 19. Rxd5 a4 20. Qb5 Bxd5 21. Qxd5 Qc2 22. Bb5 Qxb2 {Dzagnidze,N 
(2525)-Nguyen,H (1970) chess.com INT 2023 0-1 (40)}) 8... a6 9. Ba4 Nxa4 10.
Qxa4 Nc6 11. Be3 Bd7 12. Qd1 Na7 13. O-O Bb5 14. Nxb5 Nxb5 15. a4 Nd6 16. Qc2
e6 17. Rac1 Rc8 18. Rfd1 h6 19. b4 c6 20. Ne5 Qh4 21. f4 b5 22. Nd7 Nc4 23. Bf2
Qxf4 24. Nxf8 Bxf8 25. g3 Qd6 26. Ra1 Qxb4 27. Rdb1 Qd6 28. Qe2 Bg7 29. Rd1 Qc7
30. Rac1 Qd7 31. Kh2 h5 32. g4 Bh6 33. Rc2 hxg4 34. Qxg4 Qd6+ 35. e5 Qd5 36.
Qg2 Qd7 37. Qf3 Rd8 38. Qe4 Qc7 39. Re1 Nd2 40. Qe2 Nc4 41. Kg2 Qb7 42. Kg1 a5
43. Rd1 Qd7 44. Rd3 Nb6 45. axb5 cxb5 46. Be3 Bg7 47. Rb3 Nc4 48. Qe1 Qd5 49.
Rbc3 Bf8 50. Qe2 Bb4 51. Rd3 Nxe5 52. Bg5 Nxd3 53. Bxd8 Qxd4+ 54. Kh1 Qxd8 55.
Qf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Brito, Luismar"]
[Black "Araujo, Everson"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. Nc3 {Kostakiev,D} e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Bb4 6. Ndb5
$146 ({RR} 6. a3 Bxc3+ 7. bxc3 h6 8. Bc1 O-O 9. g3 Na5 10. Bg2 Rb8 11. O-O b6
12. Qd3 Bb7 13. f3 Re8 14. Nf5 d5 15. Bh3 Nc4 16. Re1 Nd6 17. Nxd6 Qxd6 18. Bf4
Qe7 19. g4 Nd7 20. Qf5 Nf8 {Rother,C (2345)-Wegner,H (2385) Germany 1990 0-1 
(33)}) ({RR} 6. e3 O-O ({RR} 6... h6 7. Bh4 O-O 8. Nxc6 bxc6 9. Bd3 g5 ({RR} 
9... d5) 10. Bg3) 7. Be2 ({RR} 7. Nxc6) 7... h6 8. Bxf6 ({RR} 8. Nxc6) 8...
Bxc3+ 9. bxc3 Qxf6 10. O-O d5 11. Rb1 Rd8 12. Nxc6 Qxc6 13. Qd4 ({RR} 13. c4
Bf5 14. Bf3) 13... Be6 ({RR} 13... Bf5 14. Bd3 Be6) 14. Bf3 b6 15. c4 ({RR} 15.
Rfd1 Rab8 ({RR} 15... Rd6 16. Rd2 a6 17. Rbd1 b5 18. a4 Rb8 19. Rb1 Ra8 20. Ra1
) ({RR} 15... b5 16. a4 a6 17. axb5 axb5 18. Qd3 Rab8 19. Ra1 Ra8) 16. Rd2 a6
17. Rbd1 Rd6 18. c4 Qxc4 19. Qxc4 dxc4 20. Rxd6 cxd6 21. Rxd6) 15... Rab8 16.
Rb4 ({RR} 16. cxd5 Bxd5 17. Bxd5 Rxd5) 16... Qe8 17. c5 ({RR} 17. cxd5 c5)
17... Qe7 18. c6 ({RR} 18. cxb6 c5) 18... Rd6 19. Qc3 Qe8 20. Rd4 Qxc6 {
Ivanchuk,V (2740)-Anand,V (2770) Monte Carlo 1998 CBM 063 Extra [Kostakiev,D]
0-1 (56)}) ({RR} 6. Nxc6 Bxc3+ ({RR} 6... bxc6) 7. bxc3 bxc6) ({RR} 6. Qd3) ({
RR} 6. Nxc6 bxc6 7. Qd4 c5 8. Qe5+ Qe7 9. Qxe7+ Kxe7 10. Bd2 Bb7 11. f3 d5 12.
O-O-O Rhd8 13. e3 c4 14. e4 dxe4 15. Nxe4 Bxd2+ 16. Nxd2 c3 17. bxc3 Nd5 18. c4
Nc3 19. Re1+ Kf8 20. Bd3 Nxa2+ {Susallek,M (1921)-Steinhauser,T (2031) Bayern
2015 1/2-1/2}) 6... Be7 7. Bxf6 Bxf6 8. Nd5 Be5 9. f4 a6 10. Nbc3 Bd4 11. e3
Bxc3+ 12. Nxc3 O-O 13. Qf3 b5 14. O-O-O Bb7 15. Bd3 Rb8 16. Be4 Re8 17. Qh3 h6
18. Rxd7 Qf6 19. Nd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Brito, Vicente"]
[Black "Neves, Andrey de Souza"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "110"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 a6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Bd3 Bxd3
9. Qxd3 c5 10. Nge2 ({RR} 10. O-O-O Nc6 11. Nge2 c4 12. Qd2 b5 13. a3 b4 14.
axb4 Bxb4 15. g5 Qa5 16. Kb1 Nd7 17. e4 Ne7 18. gxh6 gxh6 19. Qe3 Nb6 20. Rhg1
Na4 21. Nxa4 Qxa4 22. c3 Ba5 23. Be5 Rf8 24. Bd6 Qc6 {Alekseenko,K (2639)
-Bocharov,I (2563) Sochi RUS 2018 1-0 (59)}) 10... Nc6 11. Nd1 $146 ({RR} 11.
Kf2 Bd6 12. Rad1 cxd4 13. exd4 Bxf4 14. Nxf4 Qd6 15. Qe3 O-O-O 16. Nd3 h5 17.
g5 Nd7 18. Qf4 Qe7 19. Rhe1 Nf8 20. Na4 Qc7 21. Qxc7+ Kxc7 22. Nf4 Ne7 23. Kg3
Nfg6 24. Nxg6 Nxg6 25. Nc5 Rhe8 {Troberg Eskola,L (2134)-Rydstrom,T (2314)
Gothenburg SWE 2019 1/2-1/2 (43)}) ({RR} 11. O-O-O c4 12. Qd2 Bb4 13. g5 Nh5
14. e4 Nxf4 15. Qxf4 Be7 16. Kb1 b5 17. exd5 exd5 18. Qf5 b4 19. Nxd5 c3 20.
Nef4 hxg5 21. hxg5 Rxh1 22. Rxh1 g6 23. Nxg6 {1-0 (23) Gadea,F (1768)-Lutz,I 
(2022) Florianopolis BRA 2023}) 11... cxd4 12. exd4 Bd6 13. Nf2 Bxf4 14. Nxf4
Qd6 15. Ne2 O-O-O 16. b4 e5 17. O-O e4 18. fxe4 dxe4 19. Nxe4 Nxe4 20. Qxe4
Nxd4 21. Nxd4 Qxd4+ 22. Qxd4 Rxd4 23. Rxf7 Rxg4+ 24. Kf2 Rxh4 25. b5 Rc4 26.
bxa6 Rxc2+ 27. Kg3 bxa6 28. Rxg7 a5 29. Rb1 Rc5 30. Ra7 Rg8+ 31. Kh4 Rgg5 32.
Ra8+ Kd7 33. Ra7+ Kd6 34. Rb6+ Rc6 35. Rxc6+ Kxc6 36. Ra6+ Kb5 37. Rxh6 Rg2 38.
Kh3 Rxa2 39. Kg3 Re2 40. Kf3 Re8 41. Rh7 a4 42. Rb7+ Kc4 43. Ra7 Kb4 44. Rb7+
Ka3 45. Ra7 Kb4 46. Rb7+ Ka5 47. Ra7+ Kb5 48. Rb7+ Ka6 49. Rb4 Ka5 50. Rb7 Re6
51. Ra7+ Ra6 52. Rb7 a3 53. Rb1 a2 54. Ra1 Kb4 55. Ke2 Kb3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Bueno, Marcos Antonio"]
[Black "Fedrizzi, Roberto"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nbd7 7. e4 dxe4 8.
Nxe4 c6 9. c3 ({RR} 9. Qe2 Nxe4 10. dxe4 e5 11. Be3 Qe7 12. Qc4 Nb6 13. Qc3 Re8
14. a4 Bg4 15. a5 Nd7 16. a6 Nb6 17. axb7 Qxb7 18. Ra5 Bxf3 19. Bxf3 Nd7 20.
Rfa1 a6 21. Be2 c5 22. f3 Reb8 23. b3 Qb4 {Saeed,I (2422)-Hareb Nasser Hareb
Alshamsi (1775) Ajka HUN 2019 1-0}) 9... Nxe4 10. dxe4 e5 $146 ({RR} 10... Nc5
11. e5 Bg4 12. Bg5 Re8 13. Qe2 Qd3 14. Rfe1 h6 15. Be3 Qxe2 16. Rxe2 Nd7 17.
Rd2 Nxe5 18. Nxe5 Bxe5 19. Bxh6 {1/2-1/2 (19) Nikolic,M (2191)-Pavlik,G (2138)
Subotica 2004}) 11. Be3 Qc7 12. Qc2 c5 13. Rad1 Nf6 14. Ng5 Ng4 15. Bc1 c4 16.
h3 Nf6 17. f4 Nh5 18. Qf2 h6 19. g4 Nxf4 20. Bxf4 exf4 21. Nf3 Re8 22. Rfe1 b6
23. Nd4 Bb7 24. Nb5 Qe5 25. Nd6 Re7 26. Nxb7 Rxb7 27. Rd5 Qe7 28. Qxf4 Re8 29.
e5 Rd7 30. Rxd7 Qxd7 31. Qxc4 Rxe5 32. Rxe5 Bxe5 33. Qd5 Qe7 34. Qe4 Qc5+ 35.
Kf1 Bg3 36. Qe2 Qg5 37. Be4 Qf4+ 38. Kg2 Bh4 39. Kh1 Bf2 40. Bg2 Qc1+ 41. Bf1
Be3 42. c4 Bd4 43. b3 Qf4 44. Bg2 Bf2 45. Qc2 Qe3 46. Qd1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cabral, Denrick"]
[Black "Zallio, Luciano"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 Ne7 8.
Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. h4 Bd7 13. h5 O-O-O 14. Qd3
d4 15. h6 Rg6 16. h7 Rh8 17. Nxd4 Nxd4 18. Qxd4 Kb8 ({RR} 18... Bc6 19. Bd3
Rxg2 20. Rh6 Rg7 21. Be3 Nf5 22. Bxf5 exf5 23. Qxa7 Rgxh7 24. Qa8+ Qb8 25.
Rxc6+ bxc6 26. Qxc6+ Qc7 27. Qa8+ Qb8 {1/2-1/2 (27) Azarya,J (2409)-Fodor,T 
(2511) Budapest HUN 2023}) 19. Be3 b6 20. Bd3 Rxg2 21. O-O-O $146 ({RR} 21. Be4
Rg7 22. O-O-O Bc6 23. Rhg1 Rxg1 24. Rxg1 Ng6 25. f5 Bxe4 26. Qxe4 exf5 27. Qxf5
Qe7 28. e6 Rxh7 29. Bf4+ Nxf4 30. Qxf4+ Kc8 31. Rg8+ Kb7 32. Qe4+ Kc7 33. Qxh7
Qxe6 34. Qh2+ Kd7 35. Rg1 Qe3+ {Zwirs,N (2088)-Van der Lende,I (2106) Haarlem
2011 1-0 (42)}) 21... Bc6 22. Rhg1 Ng6 23. Qxc3 Rxh7 24. Rxg2 Bxg2 25. Qxc7+
Kxc7 26. f5 exf5 27. Bxf5 Rh1 28. Rxh1 Bxh1 29. e6 Bd5 30. exf7 Bxf7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Campelo, Danilo"]
[Black "Cruz, Natan"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. Bc4 e6 ({
RR} 7... Nf6 8. Ne5 e6 9. Qe2 b5 10. Bb3 Qc7 11. d4 Bd6 12. O-O O-O 13. Bg5 Nd5
14. Nf3 Bb7 15. c4 bxc4 16. Bxc4 c5 17. Rac1 h6 18. dxc5 Qxc5 19. Bd3 Qb6 20.
Bd2 Rac8 21. b3 Rfd8 22. Rxc8 {Svidler,P (2714)-Keymer,V (2591) chess24.com
INT 2021 1-0 (40)}) 8. d4 Nf6 9. Qd3 $146 ({RR} 9. Qe2 h6 10. Bd2 Bd6 11. O-O-O
Qc7 12. Ne5 Bd7 13. Rhe1 Rf8 14. f4 O-O-O 15. Kb1 Kb8 16. Bb3 Bc8 17. Bc1 Bb4
18. c3 Bd6 19. g3 g6 20. Nc4 Be7 21. f5 g5 22. h4 Nd5 23. Ne5 Ka8 {Duarte
Napoles,F (2191)-Bezerra,F (1952) Caioba BRA 2023 1-0 (45)}) 9... Qc7 10. O-O
Bd6 11. a4 b6 12. Re1 Bb7 13. h3 O-O 14. Bg5 Nd7 15. c3 c5 16. d5 e5 17. Bb5 a6
18. Bc6 f5 19. Bxd7 e4 20. Be6+ Kh8 21. Qe2 exf3 22. Qxf3 f4 23. Qe4 Rae8 24.
f3 c4 25. Bh4 b5 26. axb5 axb5 27. Bf2 Rf6 28. Qd4 Re7 29. Qb6 Qxb6 30. Bxb6
Re8 31. Kf1 b4 32. Bd4 Rff8 33. Ra7 Re7 34. Re4 Rfe8 35. Ra4 bxc3 36. bxc3 Rf8
37. Kg1 h6 38. Rxc4 Ra8 39. Bc5 Rxe6 40. dxe6 Bxe4 41. Bxd6 Bd5 42. Rxf4 Bxe6
43. c4 Ra2 44. c5 Bd5 45. Rd4 Bc6 46. Be5 Rc2 47. Bd6 Kg8 48. Rd1 Kf7 49. Rf1
Kf6 50. Rf2 Rc4 51. Re2 Bd5 52. Kf2 h5 53. g4 hxg4 54. hxg4 Kf7 55. Re7+ Kf6
56. g5+ Kxg5 57. Re5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cardoso, Lucas do Valle"]
[Black "Pinto, Pedro Jorge M"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Qd2 Nf6 8. f3
h5 9. O-O-O Bd7 10. Bc4 Na5 11. Be2 Rc8 12. h3 Nc4 13. Bxc4 Rxc4 14. g4 Qc8 15.
g5 $146 ({RR} 15. Kb1 b6 16. Nde2 Qb7 17. Qd3 b5 18. Bd4 hxg4 19. hxg4 Rxh1 20.
Rxh1 Kf8 21. Nd5 Ng8 22. Bxg7+ Kxg7 23. b3 Rc5 24. Nxe7 Nxe7 25. Qxd6 Bxg4 26.
Qxc5 Bxf3 27. Qc3+ {1-0 (27) Womacka,M (2486)-Mueller,M (2241) Germany 2000})
15... Nh7 16. h4 Nf8 17. Kb1 Ne6 18. Nde2 b5 19. Nd5 Nc7 20. b3 Nxd5 21. bxc4
Nxe3 22. Qxe3 O-O 23. c5 Be6 24. f4 Qa6 25. Nc1 Rc8 26. cxd6 exd6 27. Rd3 b4
28. Rhd1 Bxa2+ 29. Nxa2 Rxc2 30. Nc3 bxc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cardoso, Marcio"]
[Black "Mariano, Marceley M"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "125"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Be3
Nc6 9. f3 ({RR} 9. O-O Be7 10. Bf3 Rc8 11. Nd5 Bxd5 12. exd5 Na5 13. Qd3 Nc4
14. Bc1 O-O 15. Nd2 Nxd2 16. Bxd2 Nd7 17. Bg4 g6 18. Bh6 Re8 19. Qh3 Rc7 20. f4
Nf6 21. f5 Nxg4 22. Qxg4 Qc8 23. c3 Rc4 {Asanov,T (2427)-Loginov,V (2532) St
Petersburg 2002 0-1 (51)}) ({RR} 9. O-O b5 10. a4 b4 11. Nd5 Bxd5 12. exd5 Ne7
13. Bc4 Qc7 14. Qd3 e4 15. Qe2 Nexd5 16. Bxa6 Be7 17. Bb5+ Kf8 18. Bd4 Nf4 19.
Qe3 d5 20. g3 Nh3+ 21. Kg2 Qc8 22. f3 exf3+ 23. Qxf3 Ng5 {Reyes Capellan,E 
(2045)-Coplin,J (2121) Santo Domingo 2016 1-0 (54)}) 9... Qc7 $146 ({RR} 9...
Rc8 10. Qd2 h5 11. O-O-O Qc7 12. Kb1 b5 13. Bg5 Nd7 14. Bd3 Nb6 15. f4 f6 16.
Bh4 Nc4 17. Bxc4 bxc4 18. Nc1 Rb8 19. f5 Bf7 20. Bf2 Qb7 21. b3 Nb4 22. Nd5 a5
23. c3 Nxd5 24. exd5 {Gombar,P (2033)-Jancovic,P (2149) Slovakia 2011 1/2-1/2 
(44)}) 10. Qd2 b5 11. g4 b4 12. Nd1 h6 13. g5 hxg5 14. Bxg5 Be7 15. Nf2 a5 16.
Bb5 a4 17. Nc1 Kf8 18. Ne2 Qb6 19. Qd3 Ra5 20. Bc4 Bxc4 21. Qxc4 Rc5 22. Qd3 b3
23. c3 Rb5 24. a3 Nd8 25. Be3 Qb7 26. Ng3 g6 27. O-O-O d5 28. Kb1 Ne6 29. Qe2
Kg7 30. Rdg1 Bc5 31. exd5 Bxe3 32. Nf5+ Kf8 33. Nxe3 Nf4 34. Qd2 N6xd5 35. c4
Nxe3 36. cxb5 Nf5 37. Qb4+ Kg7 38. Ne4 Nd4 39. Qd6 Nxf3 40. Qf6+ Kg8 41. Nd6
Qd5 42. Rc1 Kh7 43. Qxf7+ Qxf7 44. Nxf7 Rb8 45. Rc7 Kg8 46. Nd6 Nd4 47. Rc5 Rd8
48. b6 Rxd6 49. b7 Rb6 50. Rc8+ Kf7 51. b8=Q Rxb8 52. Rxb8 Kf6 53. Rb4 Kf5 54.
Rxa4 g5 55. Rb4 Nd3 56. Rb8 e4 57. a4 e3 58. a5 e2 59. Re8 Ne6 60. Rxe6 Kxe6
61. a6 Ne5 62. a7 Nf3 63. a8=Q 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Carrico, Victor Hugo"]
[Black "Pimentel, Lucas Santos"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. g4 Bg6 7. Ne5 a6 ({RR} 
7... Nc6 8. d4 e6 9. h4 f6 10. h5 Bf7 11. Nxc6 bxc6 12. Bd3 Bd6 13. f4 Qe7 14.
Qe2 e5 15. fxe5 fxe5 16. dxe5 Qxe5 17. Bf4 Qxe2+ 18. Nxe2 Rd8 19. O-O-O Nf6 20.
h6 Bxf4+ 21. Nxf4 O-O 22. hxg7 {Gavrilescu,D (2511)-Deac,B (2679) Bucharest
ROU 2022 1/2-1/2 (76)}) 8. h4 ({RR} 8. Bg2 e6 9. Qe2 Be7 10. d3 Nf6 11. h4 d4
12. Nd1 Qa5+ 13. Bd2 Bb4 14. c3 dxc3 15. bxc3 Bd6 16. Nc4 Qc7 17. h5 Bxd3 18.
Qxd3 Bc5 19. g5 Nfd7 20. Nde3 Nc6 21. Ng4 Rd8 22. Qg3 Qc8 {Sikora,M (2059)
-Osina,J (1570) Czech Republic CZE 2023 1-0 (31)}) 8... d4 9. h5 Qd6 10. Nxg6
$146 ({RR} 10. hxg6 Qxe5+ 11. Qe2 Qxe2+ 12. Nxe2 fxg6 13. Nxd4 e5 14. Ne6 Bd6
15. d4 Nf6 16. Bg2 Nc6 17. g5 Nh5 18. dxe5 Nxe5 19. Bxb7 Ra7 20. Bg2 Re7 21.
Bh3 Kf7 22. Be3 Rxe6 23. Bxe6+ Kxe6 24. O-O-O Rf8 {Braun,G (2360)-Barzen,P 
(2321) Magdeburg GER 2020 0-1 (31)}) 10... hxg6 11. Qf3 Qc6 12. Ne4 Nf6 13. Bd3
Qe6 14. hxg6 Rxh1+ 15. Qxh1 fxg6 16. g5 Nd5 17. b3 Nc6 18. Bb2 Ndb4 19. Ke2
Nxd3 20. cxd3 Qg4+ 21. Qf3 Qxf3+ 22. Kxf3 e5 23. Rc1 Kd7 24. Nc5+ Bxc5 25. Rxc5
b6 26. Rc1 Nb4 27. Ba3 Nxd3 28. Rh1 e4+ 29. Kg3 Ke6 30. f4 exf3 31. Kxf3 Ra7
32. Rh4 Ne5+ 33. Ke4 Rd7 34. d3 b5 35. Rh8 Nc6 36. Rc8 Ne7 37. Re8 Kf7 38.
Rxe7+ Rxe7+ 39. Bxe7 Kxe7 40. Kxd4 Kd6 41. b4 Ke6 42. Kc5 Kf5 43. d4 Kxg5 44.
d5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Carvalho, Amauri"]
[Black "do Nascimento, Maycon"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. b3 e5 2. Bb2 d6 3. e3 Bf5 ({RR} 3... Qe7 4. d4 exd4 5. Qxd4 Nc6 6. Bb5 Bd7
7. Bxc6 Bxc6 8. Nf3 Qe4 9. Qd1 O-O-O 10. Nbd2 Qg6 11. Nd4 Qxg2 12. Rf1 Bd7 13.
Qe2 Qg4 14. N4f3 f6 15. Rg1 Qh5 16. O-O-O Ne7 17. Qc4 Ng6 18. Nd4 {Fressinet,L
(2717)-Inarkiev,E (2682) Dubai 2014 1-0 (57)}) 4. g3 $146 ({RR} 4. d4 Nd7 5.
dxe5 dxe5 6. f4 Bd6 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 Rb8 10. Nd2 Qe7 11. Qe2 Ngf6
12. g4 exf4 13. g5 fxe3 14. gxf6 exd2+ 15. Kxd2 Qxe2+ 16. Kxe2 gxf6 17. Rag1
Be5 18. Bc1 Ke7 {Solha Santos,A-Barranco Castillo,J Lisbon 2001 0-1 (56)}) ({RR
} 4. d4 exd4 5. Qxd4 Bg6 6. Nf3 Nc6 7. Bb5 Nge7 8. Nc3 a6 9. Bxc6+ Nxc6 10. Qd2
Nb4 11. Rc1 Be7 12. a3 Nc6 13. Nd5 O-O 14. Qc3 f6 15. Nd4 Nxd4 16. Qxd4 Bf7 17.
Nxe7+ Qxe7 18. O-O Rfe8 {Chaplin,P (2046)-Head,L (2090) chess.com INT 2021 0-1
(58)}) 4... Nc6 5. Bg2 Qd7 6. Nc3 Nf6 7. Nd5 O-O-O 8. c4 Nb4 9. Nxb4 Bg6 10.
Rc1 Qf5 11. Bh3 d5 12. Nxd5 Ne4 13. Bxf5+ Bxf5 14. Qf3 g6 15. Bxe5 Rg8 16. Bxc7
Re8 17. d3 Ba3 18. Rc2 Re5 19. Bxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cavalcante, Rodrigo"]
[Black "Rezende, Uelton"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 h6 8. c3
O-O 9. Re1 d6 10. h3 Na5 11. Bc2 c5 12. Nbd2 Nh5 ({RR} 12... Nc6 13. Nf1 Be6
14. Ng3 Rc8 15. Be3 Qc7 16. Rc1 d5 17. exd5 Nxd5 18. Bd2 Rfe8 19. Qe2 Bf8 20.
d4 exd4 21. cxd4 c4 22. Qe4 g6 23. Qh4 Qe7 24. Rxe6 Qxe6 25. Bxh6 Bxh6 26. Qxh6
Qf6 27. Rd1 {Nisipeanu,L (2592)-Tkachiev,V (2657) Naujac 2000 1/2-1/2 (37)}) ({
RR} 12... Nc6 13. Nf1 Be6 14. Ng3 Qc7 15. Qe2 Rfe8 16. Be3 d5 17. exd5 Bxd5 18.
Nf5 Bf8 19. Nd2 Ne7 20. Nxe7+ Rxe7 21. Ne4 Nxe4 22. dxe4 Be6 23. Red1 Ree8 24.
a3 Red8 25. Rxd8 Rxd8 26. Rd1 Rd7 27. Rxd7 {Prieto Martin,M (1557)-Olcina
Monells,J (1934) Alcorcon ESP 2023 1/2-1/2 (49)}) 13. Nxe5 Nf4 $146 ({RR} 13...
dxe5 14. Qxh5 Bf6 15. Nf1 Qe7 16. Be3 Rd8 17. Rad1 Ra7 18. b4 Nb7 19. bxc5 Nxc5
20. d4 exd4 21. cxd4 Nxe4 22. Bxh6 Bb7 23. Bf4 Bxd4 24. Bg3 Bc6 25. Nd2 Bc3 26.
Bxe4 Bxe4 27. Rxe4 Rxd2 28. Rxd2 {Garcia,N (1216)-Maciel,R (1412) Luso 2016 1-0
}) 14. Nef3 Bxh3 15. gxh3 Nxh3+ 16. Kg2 Qd7 17. Nf1 Qg4+ 18. Ng3 Nc6 19. Nh2
Nf4+ 20. Bxf4 Qxf4 21. Qg4 Qf6 22. f4 g6 23. Nf3 Qg7 24. Kf2 b4 25. e5 bxc3 26.
bxc3 Rfd8 27. d4 cxd4 28. cxd4 dxe5 29. dxe5 Nb4 30. Be4 Rac8 31. Red1 f5 32.
Nxf5 gxf5 33. Qxg7+ Kxg7 34. Bxf5 Rxd1 35. Rxd1 Rf8 36. Be4 Rxf4 37. Ke3 Rg4
38. Rd7 Kf8 39. Rc7 Nxa2 40. Rc8+ Kg7 41. Nd4 Rg3+ 42. Kf4 Ra3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cella, Glaucio"]
[Black "Nascimento, Davi Araujo"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c3 Bg4 6. Qb3 Qc7 ({RR} 6... Qc8
7. Ne5 Bh5 8. Bb5+ Nbd7 9. Nxd7 Nxd7 10. Qxd5 Bg6 11. Qxd7+ Qxd7 12. Bxd7+ Kxd7
13. Nd2 e6 14. Nf3 Bd6 15. O-O Ke7 16. Re1 b5 17. Ne5 Bxe5 18. Rxe5 Rab8 19.
Bf4 Rb7 20. Rae1 Rc8 21. d5 {Cella,G (1894)-Averjanov,A (2399) chess.com INT
2023 1/2-1/2}) 7. Ne5 e6 8. Bf4 Bd6 9. Nxf7 $146 ({RR} 9. Bb5+ Nc6 10. Qa4 Bxe5
11. Bxe5 Qb6 12. Bd6 a6 13. Bc5 Qxb5 {0-1 (13) Kuchyna,S (1928)-Aristov,P 
(1506) Bratislava 2015}) 9... Kxf7 10. Bxd6 Qxd6 11. Qxb7+ Nbd7 12. b4 Qb6 13.
Qa6 Rhc8 14. f3 Bf5 15. Kd2 Qc7 16. Bd3 Nb6 17. a4 Qf4+ 18. Ke2 Nc4 19. Bxc4
dxc4 20. Nd2 Bd3+ 21. Kd1 Nd5 22. Ra3 Ne3+ 23. Kc1 Nf1 24. Ra2 Qe3 25. Qb7+ Kg8
26. Rxf1 Bxf1 27. Qe4 Qxe4 28. fxe4 Rf8 29. g3 Bd3 30. b5 a5 31. Kb2 Rf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cilento, Lucas"]
[Black "Campos, Otavio"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 d5 ({RR} 6... Rb8
7. c3 Nf6 8. e5 Nd5 9. d4 cxd4 10. Qxd4 Qb6 11. Qh4 h6 12. Nbd2 g5 13. Qe4 Bb7
14. Nc4 Qa6 15. Rd1 Nb6 16. Nxb6 Qxb6 17. Qg4 Bc8 18. Qg3 Qc7 19. h4 c5 20.
hxg5 Rb6 21. Bf4 {Sjugirov,S (2645)-Zvjaginsev,V (2642) Vladivostok 2014 0-1 
(64)}) 7. d3 ({RR} 7. e5 Bf5 8. d3 e6 9. h3 h5 10. Nc3 d4 11. Na4 Qd5 12. b3 f6
13. Qe2 fxe5 14. Nxe5 Nf6 15. Ba3 Bf8 16. Qd2 Nd7 17. Nxd7 Kxd7 18. c4 dxc3 19.
Qxc3 Be7 20. Bxc5 Rhg8 21. Re5 Qxd3 {Neuschmied,S (2235)-Hasovic,R (1832)
Austria AUT 2022 1-0}) 7... Nf6 8. Nbd2 Rb8 $146 ({RR} 8... O-O 9. e5 Ng4 10.
h3 Nh6 11. Nb3 Qb6 12. Be3 d4 13. Bg5 Nf5 14. g4 f6 15. exf6 exf6 16. Bf4 Nh6
17. Bd6 Rd8 18. Bxc5 Qc7 19. Qd2 Bb7 20. Re7 Qc8 21. Rae1 Nxg4 22. Rxb7 Qxb7
23. hxg4 {Varchenko,G (2138)-Campi,W (1854) Odessa 2010 1-0 (34)}) 9. Rb1 Ba6
10. e5 Ng4 11. Nb3 Qb6 12. h3 Nh6 13. Be3 d4 14. Bd2 e6 15. Ba5 Qb5 16. Nfd2
Nf5 17. g4 Ne7 18. Nc4 Nc8 19. a4 Qxa4 20. Ra1 Qb5 21. Bc7 Rb7 22. Bd6 Bf8 23.
Ra5 Qb4 24. Rxa6 Bxd6 25. exd6 Qb5 26. Ra5 Qb4 27. Nxc5 Rb8 28. d7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "Serafim, Paulo Rogerio"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "144"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. d4 e6 3. e3 d5 4. c4 Nbd7 5. Nc3 Bb4 6. Bd3 dxc4 ({RR} 6... c5 7.
O-O Bxc3 8. bxc3 Qc7 9. cxd5 exd5 10. c4 dxc4 11. Bxc4 Nb6 12. Bd3 c4 13. Bc2
Bg4 14. Qe1 Bxf3 15. gxf3 O-O 16. e4 Rfe8 17. Be3 Rad8 18. Kh1 Nh5 19. Qa5 Nf4
20. Qc5 Qb8 21. Qf5 {Lerner,K (2530)-Steinberg,N (2221) Kefar Sava 2010 1-0}) (
{RR} 6... b6 7. O-O Bb7 8. Qe2 O-O 9. a3 Bxc3 10. bxc3 c5 11. Bb2 Qc7 12. Nd2
Rfe8 13. f3 e5 14. cxd5 exd4 15. cxd4 Nxd5 16. e4 N7f6 17. Qf2 Nf4 18. Bb5 Rec8
19. Rfc1 Qe7 20. dxc5 bxc5 21. Nb3 {Niemier,H (1801)-Lis,M (2156) Szklarska
Poreba POL 2019 1/2-1/2 (31)}) 7. Bxc4 O-O $146 ({RR} 7... Nb6 8. Bd3 Bd7 9.
O-O Bc6 10. Ne5 Bxc3 11. Nxc6 bxc6 12. bxc3 O-O 13. e4 Nfd7 14. e5 Qh4 15. g3
Qh3 16. Re1 f5 17. Bf1 Qg4 18. Qxg4 fxg4 19. Bg2 Nd5 20. Ba3 Rf7 21. c4 Ne7 22.
d5 {Carvalho Beserra,J-Mathow,H (1955) Rio de Janeiro 2008 1-0 (44)}) 8. O-O b6
9. a3 Be7 10. b4 Bb7 11. Bb2 c5 12. b5 cxd4 13. Nxd4 Ne5 14. Bb3 Rc8 15. Qe2
Qc7 16. h3 Nc4 17. Rfc1 Nxb2 18. Qxb2 Bc5 19. Nxe6 fxe6 20. Bxe6+ Kh8 21. Bxc8
Qxc8 22. Na4 Ne4 23. Nxc5 Nxc5 24. Rc4 Be4 25. Qe5 Qf5 26. Qxf5 Rxf5 27. Rac1
h5 28. f3 Bd3 29. Rb4 Rg5 30. g4 Be2 31. f4 Rg6 32. f5 Rg5 33. Rc2 Bd3 34. Rf2
h4 35. Rff4 Kg8 36. e4 Be2 37. Rd4 Bxb5 38. Rd8+ Kf7 39. e5 g6 40. Ra8 gxf5 41.
Rxf5+ Rxf5 42. gxf5 a6 43. Ra7+ Ke8 44. f6 Bd7 45. Kh2 a5 46. Ra8+ Kf7 47. Rh8
Nd3 48. Rh7+ Ke8 49. Re7+ Kd8 50. e6 Bc8 51. Ra7 Bxe6 52. f7 Bxf7 53. Rxf7 Ne5
54. Rf5 Nc4 55. a4 Kc7 56. Rf4 Nd2 57. Kg2 Kc6 58. Rxh4 Kc5 59. Rg4 Nc4 60.
Rxc4+ Kxc4 61. h4 b5 62. axb5 a4 63. b6 a3 64. b7 a2 65. b8=Q a1=Q 66. Qg8+ Kd3
67. Qg6+ Ke3 68. h5 Qa8+ 69. Kh3 Qh1+ 70. Kg4 Qg2+ 71. Kf5 Qf1+ 72. Kg5 Qf4#
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Cymbalista, Eduardo"]
[Black "Aoyama, Edmundo"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. O-O-O Qc7 ({RR} 6... b5
7. Bd3 b4 8. Nce2 Qa5 9. Kb1 c5 10. Nf3 Bb7 11. dxc5 Nxc5 12. a3 Nfxe4 13. Bxe4
Nxe4 14. Qxb4 Qxb4 15. axb4 Bg7 16. Nf4 O-O 17. Rhe1 Rfb8 18. Nd2 Nf6 19. f3
Bc6 20. c3 a5 21. bxa5 {Miralles,G (2486)-Mamedyarov,S (2757) France 2007 0-1 
(35)}) ({RR} 6... b5 7. Bd3 Qa5 8. Kb1 Bg7 9. Bh6 Bxh6 10. Qxh6 Nb6 11. Nf3 Be6
12. Ng5 b4 13. Nxe6 fxe6 14. Ne2 O-O-O 15. Nf4 e5 16. Qh3+ Kb8 17. Ne6 Rc8 18.
dxe5 Qxe5 19. f4 Qh5 20. Qxh5 Nxh5 21. g4 {Csonka,B (2494)-Vokhidov,S (2601)
chess.com INT 2023 1-0 (76)}) 7. f3 b5 8. d5 $146 ({RR} 8. Kb1 Nb6 9. Bd3 a5
10. g4 b4 11. Nce2 Ba6 12. h4 Nc4 13. Bxc4 Bxc4 14. h5 Bg7 15. Ng3 Nd7 16. Bh6
Bf8 17. Bxf8 Rxf8 18. f4 O-O-O 19. Nf3 f6 20. hxg6 hxg6 21. Rh7 Rf7 22. Rh6 Rg7
{Oliveira,S (2371)-Aoyama,E (1945) Americana 2009 1-0 (40)}) 8... a6 9. dxc6
Qxc6 10. Nge2 Bb7 11. g4 Ne5 12. Nd4 Qc7 13. g5 Nfd7 14. f4 Nc4 15. Bxc4 Qxc4
16. Rhe1 Rc8 17. Qe2 Qc7 18. Nd5 Qa5 19. Kb1 e6 20. Bd2 Qd8 21. Bc3 Rg8 22. Nb3
Rc4 23. Na5 Bxd5 24. exd5 Rxc3 25. dxe6 Nc5 26. e7 Bxe7 27. Nc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Damasceno, Enzo"]
[Black "Monteiro, Marcos Paulo"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Be6 7. O-O f6 8. a3
({RR} 8. d3 Qd7 9. Bd2 O-O-O 10. Nxd5 Bxd5 11. Be3 Kb8 12. Qc2 g5 13. Rfc1 h5
14. Qa4 a6 15. Rab1 h4 16. b4 Bxf3 17. Bxf3 Nd4 18. Qxd7 Nxf3+ 19. Kg2 Rxd7 20.
Kxf3 hxg3 21. hxg3 c6 22. g4 Rd5 {Rangel,D (2319)-Sjekira (2489) lichess.org
2016 0-1 (58)}) ({RR} 8. b3 Bc5 9. Bb2 Qd7 10. Rc1 O-O-O 11. Nxd5 Bxd5 12. Rxc5
b6 13. Rxd5 Qxd5 14. Nd4 Qe6 15. Nxe6 Rde8 16. Nxg7 Reg8 17. Bxc6 Rxg7 18. Qc2
Rd8 19. Qf5+ Kb8 20. Qe4 Rxd2 21. Qa4 Rxb2 22. Qa6 {1-0 (22) Cereijo Suarez,N 
(1469)-Romero Vasquez,G lichess.org INT 2021}) 8... Qd7 9. d4 $146 ({RR} 9. b4
O-O-O 10. Na4 g5 11. Nc5 Bxc5 12. bxc5 h5 13. Rb1 Nde7 14. d3 Rdf8 15. Qc2 Nd8
16. Qb2 h4 17. Nd2 Bd5 18. Nc4 Nec6 19. Bd2 Bxg2 20. Kxg2 hxg3 21. fxg3 Qh3+
22. Kf2 Qxh2+ 23. Ke1 Qxg3+ {Krensing,J-Dietrich,M Lingen 1996 1-0 (44)}) 9...
Nxc3 10. bxc3 e4 11. Nd2 f5 12. e3 O-O-O 13. c4 Nxd4 14. exd4 Qxd4 15. Qb3 Qxa1
16. Bb2 Qxf1+ 17. Nxf1 Rd3 18. Qa4 Bc5 19. Qa5 Bb6 20. Qe5 Re8 21. Qxg7 Bxc4
22. Qxh7 Be6 23. Qg6 Bd7 24. h4 Rd1 25. h5 e3 26. fxe3 Rxe3 27. Kh2 Re2 28. h6
Rxf1 29. h7 Bg1+ 30. Kh3 f4+ 31. Kh4 Bd4 32. Bxd4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Dobuchak, Thiago"]
[Black "Custodio, Leandro"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Nd2 Nd7 4. Ngf3 ({RR} 4. g3 Ngf6 5. Ngf3 dxe4 6. dxe4 e5
7. Bc4 Bc5 8. Qe2 O-O 9. h3 b6 10. O-O Bb7 11. Kh2 a6 12. a4 Ne8 13. Nh4 Nd6
14. Bd3 Re8 15. c3 Qf6 16. Ndf3 Qe6 17. Ng5 Qe7 18. f4 Nf6 {Movsziszian,K 
(2500)-Suba,M (2530) Zaragoza 1999 1-0}) 4... Bd6 ({RR} 4... Nc5 5. Be2 dxe4 6.
dxe4 Nf6 7. e5 Nd5 8. Nb3 Bd7 9. c4 Nb4 10. a3 Nbd3+ 11. Bxd3 Ba4 12. Bc2 Qxd1+
13. Bxd1 Bxb3 14. Bxb3 Nxb3 15. Rb1 Bc5 16. O-O h6 17. Nd2 Nxc1 18. Rfxc1 Ke7
19. b4 {Fernandez,G (2181)-Koutlas,N (2332) chess.com INT 2023 1/2-1/2 (53)})
5. Qe2 $146 ({RR} 5. g3 Ne7 6. Bg2 c6 7. O-O e5 8. d4 O-O 9. c4 exd4 10. Nxd4
dxe4 11. Nxe4 Ne5 12. Nf3 Qc7 13. Re1 N5g6 14. h4 f5 15. Neg5 Rf6 16. Qe2 f4
17. h5 fxg3 18. fxg3 Bxg3 19. hxg6 Rxg6 {Sulc,G (2035)-Saric,A Zadar 1995 1-0})
5... c6 6. g3 h5 7. h4 Qe7 8. e5 Bc7 9. Bg2 b6 10. O-O Nh6 11. d4 a5 12. Rd1
Ba6 13. Qe1 Ng4 14. Nf1 Bxf1 15. Bxf1 f6 16. Bf4 Qf7 17. c4 O-O 18. cxd5 cxd5
19. Rac1 Ra7 20. Rc2 fxe5 21. dxe5 Nc5 22. Rdc1 Qg6 23. Kh1 Bd8 24. Ng5 Bxg5
25. Bxg5 Raf7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Farias, Sergio Luiz"]
[Black "Cinta Larga, Carlos E"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "122"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. d3 Nf6 5. Ng5 e6 6. a3 ({RR} 6. O-O Be7 7. Nc3
d5 8. Bb3 O-O 9. a3 h6 10. Nh3 d4 11. Ne2 e5 12. c3 Bxh3 13. gxh3 Qd7 14. Ng3
Qxh3 15. Qf3 Ng4 16. Qg2 Qxg2+ 17. Kxg2 dxc3 18. bxc3 Rad8 19. Bc2 Bg5 20. f3
Bxc1 {Rodriguez,G-Alboredo,J (2182) chess24.com INT 2021 0-1}) 6... d5 7. exd5
exd5 8. Qe2+ $146 ({RR} 8. Ba2 h6 9. Nf3 Bg4 10. h3 Bh5 11. g4 Nxg4 12. hxg4
Bxg4 13. Rg1 h5 14. Bg5 Be7 15. Bf4 Nd4 16. Nbd2 Bh4 17. Rxg4 hxg4 18. Nxd4
cxd4 19. Qxg4 Qe7+ 20. Qe2 Qxe2+ 21. Kxe2 O-O-O 22. Rf1 Bf6 {Kuzucular,
S-Bugdayci,H Antalya 2013 0-1}) 8... Be7 9. Bb5 Bd7 10. c3 O-O 11. O-O Nd4 12.
cxd4 Bxb5 13. Nc3 Ba6 14. Be3 Nd7 15. Nf3 cxd4 16. Bxd4 Nc5 17. Rfe1 Ne6 18. b4
Rc8 19. Rac1 Nxd4 20. Qxe7 Nxf3+ 21. gxf3 Qxe7 22. Rxe7 d4 23. Ne2 Bxd3 24.
Rxc8 Rxc8 25. Nxd4 h6 26. Nb3 Rc6 27. h3 Rg6+ 28. Kh2 Bf1 29. Re1 Rg2+ 30. Kh1
Rxf2 31. Kg1 Rxf3 32. Nd2 Rxh3 33. Kxf1 Rh1+ 34. Kf2 Rh2+ 35. Ke3 g5 36. a4 f5
37. Nc4 f4+ 38. Kf3 h5 39. Rg1 Rh3+ 40. Ke4 Rg3 41. Rxg3 fxg3 42. Kf3 h4 43.
Ne3 Kf7 44. b5 Kg6 45. a5 Kh5 46. Kg2 g4 47. Nc4 Kg5 48. Ne5 Kf4 49. Nd3+ Ke4
50. Ne1 Ke3 51. b6 a6 52. Nc2+ Kf4 53. Nd4 h3+ 54. Kg1 Ke4 55. Nc2 Kd3 56. Nb4+
Ke2 57. Nd5 h2+ 58. Kg2 Kd3 59. Nb4+ Ke3 60. Nxa6 h1=Q+ 61. Kxh1 Kf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Federzoni, Enzo"]
[Black "Matsuura, Everaldo"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "120"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 c5 ({RR} 6... e6 7. O-O
Ne7 8. a4 b4 9. Ne2 O-O 10. c3 a5 11. cxb4 axb4 12. Be3 Nd7 13. Qc2 Bb7 14. a5
c5 15. a6 Bc6 16. Rfc1 Rc8 17. Qb1 d5 18. exd5 Nxd5 19. Bf2 Bh6 20. dxc5 Nxf4
21. Nxf4 {Kadric,D (2473)-Mamedov,R (2667) Las Vegas 2014 0-1 (45)}) 7. e5 ({RR
} 7. dxc5 Bxc3+ 8. bxc3 dxc5 9. e5 Bb7 10. Qe2 e6 11. O-O Ne7 12. c4 bxc4 13.
Bxc4 Nd5 14. Bxd5 Qxd5 15. Rd1 Qe4 16. Be3 O-O 17. Qf2 Nc6 18. Ng5 Qa4 19. Bxc5
Rfd8 20. Bd6 h6 21. Nh3 Qe4 {Ihnat,M (2126)-Ocelak,J (2272) Skalica SVK 2023 1/
2-1/2 (33)}) 7... cxd4 $146 ({RR} 7... Nh6 8. Be4 Ra7 9. dxc5 dxc5 10. Qxd8+
Kxd8 11. Be3 Nd7 12. b4 cxb4 13. Nd5 Rb7 14. Nxb4 Nf5 15. Bf2 f6 16. O-O-O Ke8
17. e6 Nf8 18. Bc6+ Bd7 19. exd7+ Rxd7 20. Rhe1 Bh6 21. g3 Kd8 22. Bxd7 {
Lauridsen,J (2215)-Bouget,A (2250) chess.com INT 2021 1-0}) 8. Be4 Ra7 9. Qxd4
Rd7 10. Qf2 b4 11. Ne2 dxe5 12. Be3 Nf6 13. Bb6 Nxe4 14. Qe3 exf4 15. Nxf4 Rc7
16. Qxe4 Bf5 17. Qe2 Bxb2 18. Rd1 Bc3+ 19. Kf2 Qc8 20. Bxc7 Qxc7 21. Nd5 Qc5+
22. Qe3 Qxe3+ 23. Kxe3 Nc6 24. Nxc3 bxc3 25. Nd4 Nxd4 26. Rxd4 O-O 27. Rhd1
Bxc2 28. Rc1 Bf5 29. Rxc3 Rb8 30. g4 Be6 31. a3 g5 32. h3 Rb2 33. Rc5 h6 34.
Ke4 Kg7 35. Ra5 Rh2 36. Rd3 Bc4 37. Rf3 Be2 38. Rg3 Bf1 39. Kf3 e6 40. Ra4 Kg6
41. Re4 Bxh3 42. Re2 Rh1 43. Kf2 h5 44. gxh5+ Kxh5 45. Re5 f6 46. Ra5 Kh4 47.
Re3 Rf1+ 48. Ke2 Ra1 49. Ra4+ Bg4+ 50. Kd3 Rd1+ 51. Ke4 Rd5 52. Rd3 f5+ 53. Ke3
f4+ 54. Kd2 Re5 55. Rb4 Re2+ 56. Kc1 Bf5 57. Rc3 e5 58. Kd1 Bg4 59. Kc1 e4 60.
Rc6 f3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Felicio, Leonardo"]
[Black "Lage, Pedro"]
[Result "0-1"]
[ECO "A89"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. d4 f5 2. c4 Nf6 3. g3 d6 4. Nf3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 Nc6 8. a3 e5
9. d5 ({RR} 9. dxe5 dxe5 10. Qc2 e4 11. Rd1 Qe7 12. Nd5 Nxd5 13. cxd5 exf3 14.
dxc6 fxg2 15. cxb7 Bxb7 16. Qb3+ Kh8 17. Qxb7 Qxe2 18. Be3 Rab8 19. Qxc7 Qxb2
20. Rab1 Qxb1 21. Rxb1 Rxb1+ 22. Kxg2 a6 23. Qd6 Rbb8 {Khudyakov,A (2238)
-Shtyrenkov,V (2492) Alushta 2001 1/2-1/2 (46)}) ({RR} 9. dxe5 dxe5 10. e4 Qxd1
11. Rxd1 fxe4 12. Ng5 Bg4 13. Rf1 Nd4 14. Ngxe4 Nxe4 15. Bxe4 c6 16. Be3 Be6
17. c5 Rad8 18. Rad1 Bb3 19. Rd2 Nf5 20. Rxd8 Rxd8 21. Bg5 Rd7 22. g4 Nd4 23.
Rc1 Bf8 {Borzan,A (2005)-Ljikar,Z (2210) Bosnjaci CRO 2023 1/2-1/2}) 9... Na5
10. Qa4 $146 ({RR} 10. Nd2 b6 11. b4 Nb7 12. Qb3 Bd7 13. e4 Nh5 14. h3 Kh8 15.
Kh2 a5 16. Bb2 f4 17. Nf3 axb4 18. axb4 Rxa1 19. Rxa1 fxg3+ 20. fxg3 Bh6 21.
Ne2 Qe7 22. Qc3 Bc8 23. Bc1 Bxc1 24. Qxc1 Nd8 {Couto,L-Aguirre,A Buenos Aires
1970 1/2-1/2 (51)}) 10... b6 11. Ng5 Bd7 12. Qc2 e4 13. Nb5 h6 14. Ne6 Bxe6 15.
dxe6 c6 16. Nd4 d5 17. c5 Ng4 18. Rd1 bxc5 19. Qxc5 Bxd4 20. Rxd4 Nb3 21. e7
Nxc5 22. exd8=Q Rfxd8 23. Rd1 Nb3 24. Rb1 Kg7 25. h3 Ne5 26. Bf1 Rd7 27. Kg2 d4
28. f4 Nc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Fernandes, Pedro G"]
[Black "Mazetto, Sergio Luiz"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Na6 6. d4 ({RR} 6. d3 Nc5 7. Qc2
c6 8. O-O Be7 9. Be3 Ncd7 10. Qb3 Qc8 11. cxd5 exd5 12. Nc3 O-O 13. Rac1 Qb8
14. Bf4 Bd6 15. Bxd6 Qxd6 16. Nd4 Bg4 17. Qxb7 c5 18. Qc6 Qxc6 19. Nxc6 Rfe8
20. f3 Be6 {Petrosian,T (2648)-Naiditsch,A (2708) Warsaw 2012 1-0 (44)}) ({RR} 
6. cxd5 exd5 7. O-O Nc5 8. Qd1 Be7 9. b4 Ne6 10. d3 h6 11. Bb2 O-O 12. a3 c6
13. Nbd2 a5 14. bxa5 Rxa5 15. Nb3 Ra6 16. Nbd4 Nxd4 17. Nxd4 Bd7 18. e4 c5 19.
Nf5 Bxf5 20. exf5 Ne8 {Arabidze,M (2440)-Shen Yang (2397) Bydgoszcz POL 2023 1/
2-1/2 (40)}) 6... Nb4 7. Na3 a5 8. O-O h6 $146 ({RR} 8... c6 9. Bd2 Be7 10. c5
b6 11. Bxb4 axb4 12. Qxb4 Nd7 13. Rfc1 bxc5 14. dxc5 e5 15. Nd2 e4 16. Nb3 Rb8
17. Qd2 Bg5 18. e3 Ne5 19. Nd4 Bg4 20. b4 O-O 21. Nac2 Qf6 22. a4 h5 23. b5 {
Novik,M (2438)-Suleymanli,A (2536) chess.com INT 2021 1/2-1/2 (45)}) 9. Qa4+ c6
10. c5 b6 11. Bd2 bxc5 12. Bxb4 cxb4 13. Qxc6+ Nd7 14. Nb5 Rc8 15. Nd6+ Bxd6
16. Qxd6 Qb6 17. Qxb6 Nxb6 18. Rac1 Ke7 19. Ne5 Bc2 20. e4 dxe4 21. f3 e3 22.
f4 e2 23. Rfe1 Bd1 24. Nd3 Rhd8 25. Rxc8 Rxc8 26. Bf3 Rc2 27. Kf2 Rd2 28. Ne5
Rxb2 29. Bxe2 Ba4 30. Kf3 Rxa2 31. Rc1 Nd5 32. Rc5 Bd7 33. Bc4 Ra3+ 34. Kf2 b3
35. Bxb3 Rxb3 36. Rxa5 Rb7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Ferreira, Fernando G"]
[Black "Silva, Joao Fernandes"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. e3 Bd6 5. Bg3 b6 6. Nbd2 Bb7 7. Ne5 ({RR} 7.
c4 Nbd7 8. Rc1 O-O 9. Bd3 h6 10. O-O Bxg3 11. hxg3 c5 12. cxd5 Nxd5 13. a3 cxd4
14. Nxd4 Rc8 15. Qe2 Rxc1 16. Rxc1 Qb8 17. Bb5 N7f6 18. Nc6 Bxc6 19. Rxc6 Rc8
20. Qc4 Ne7 21. Rxc8+ Qxc8 {Nakamura,H (2768)-Martinez Alcantara,J (2591)
chess.com INT 2022 1-0 (58)}) 7... Nc6 ({RR} 7... O-O 8. c3 c6 9. Bd3 Qe7 10.
f4 Nbd7 11. Bh4 Rfc8 12. O-O Qf8 13. Qf3 c5 14. g4 Rc7 15. Rae1 Rac8 16. Re2
Ne8 17. Qh3 g6 18. Bg3 f5 19. gxf5 exf5 20. Rg2 Nef6 21. Bh4 Ne4 22. Ndf3 {
Pakleza,Z (2494)-Rudnicki,M (2163) chess.com INT 2023 1-0 (39)}) 8. c3 Ne7 9.
Bd3 Rc8 $146 ({RR} 9... Ne4 10. O-O Nxg3 11. hxg3 O-O 12. g4 f6 13. Nef3 Qe8
14. e4 Ng6 15. exd5 Bxd5 16. Be4 Bxe4 17. Nxe4 Qd7 18. Qb3 c6 19. Rae1 Rfe8 20.
g5 fxg5 21. Nexg5 Nf8 22. Re2 Re7 23. Rfe1 Rae8 24. Nh4 {Juergens,P (1943)
-Luebbers,D (1527) Buesum 2015 1-0 (47)}) 10. Bh4 Bxe5 11. dxe5 Nd7 12. Nf3 c5
13. O-O h6 14. Rc1 d4 15. exd4 cxd4 16. Nxd4 Nxe5 17. Bb5+ Nd7 18. Nf3 Bxf3 19.
Qxf3 Rc5 20. a4 O-O 21. Rfd1 Rd5 22. c4 Rxb5 23. cxb5 g5 24. Bg3 Nd5 25. Qh5
Kg7 26. Rc6 N5f6 27. Qf3 g4 28. Qc3 Kg6 29. Bh4 Qe7 30. Rxd7 Qxd7 31. Qxf6+ Kh7
32. h3 gxh3 33. Bg3 Qd1+ 34. Kh2 Qf1 35. gxh3 Qe2 36. Rc7 Qe4 37. Be5 Qg6 38.
Qe7 Qf5 39. Bg3 h5 40. Qxf8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Ferreira, Thales"]
[Black "Teske, Luiz Fernando"]
[Result "1/2-1/2"]
[ECO "D91"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8.
Nf3 exd5 9. e3 O-O 10. Bd3 c6 11. O-O Bg4 ({RR} 11... Qd6 12. Rb1 Nd7 13. b4 a6
14. a4 b5 15. a5 f5 16. Qc2 Re8 17. Ne2 Nf8 18. Nf4 Ne6 19. Ne5 Nd8 20. Nf3 Nf7
{1/2-1/2 (20) Shabalov,A (2590)-Fedorowicz,J (2535) Philadelphia 1993}) ({RR} 
11... Nd7 12. b4 c5 13. a3 cxd4 14. Nxd4 Ne5 15. Be2 Nc6 16. Bf3 Nxd4 17. exd4
Be6 18. Bg4 Rc8 19. Rc1 Qd6 20. Bxe6 Qxe6 21. Re1 Qd7 22. Ne2 Rxc1 23. Qxc1 Rc8
24. Qd2 Rc4 25. Rc1 Qa4 26. Qb2 {Maraes,L (1800)-Pavao,F (1732) Florianopolis
SC 2022 0-1 (45)}) 12. h3 Bxf3 13. Qxf3 a5 $146 14. Qd1 Nd7 15. Qc2 Nb6 16. b3
Re8 17. a3 Bf8 18. Qb2 Qe7 19. Ne2 Qd7 20. Rab1 Rec8 21. Rfc1 Qd6 22. a4
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Fier, Alexandr"]
[Black "Cunha, Lucas Aguiar"]
[Result "1-0"]
[ECO "B48"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.
O-O-O Be7 9. f3 O-O 10. g4 b5 11. g5 Nh5 12. Nce2 Rd8 13. Ng3 Nxd4 14. Nxh5
Nxf3 15. Qf2 Ne5 16. Bb6 Qb8 17. Kb1 $146 ({RR} 17. Rg1 Bb7 18. Bd3 Kh8 19. Rg3
d6 20. Rdg1 d5 21. Nf6 dxe4 22. Nxh7 Rxd3 23. cxd3 Kxh7 24. Rh3+ Kg6 25. Qh4
Qh8 26. Qxh8 Rxh8 27. Rxh8 exd3 28. Be3 Nc4 29. Bd2 e5 30. h4 Bf3 31. Rg8 Bc5 {
Negi,P (2664)-Quesada Perez,Y (2626) Istanbul 2012 1-0 (45)}) 17... Bb7 18. Bg2
d6 19. Rhf1 Kh8 20. Bd4 Rf8 21. Qh4 Rg8 22. Bxe5 dxe5 23. Rd7 Bd8 24. Rfxf7 Bc6
25. Nxg7 Bxg5 26. Nf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Fonseca, Rogerio"]
[Black "Silva, Joelton Cooper"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. e4 Nc6 3. Bc4 e6 4. d4 cxd4 5. Nxd4 Bc5 6. Nxc6 ({RR} 6. c3 Nf6 7.
f3 O-O 8. Be3 Qb6 9. O-O e5 10. Nxc6 Bxe3+ 11. Kh1 dxc6 12. Qd3 Be6 {0-1 (12)
Krrishna (1734)-Caetano,H (2382) lichess.org 2020}) ({RR} 6. Nb3 Bb6 7. O-O
Nge7 8. Bg5 O-O 9. Nc3 a6 10. Kh1 h6 11. Bh4 Ne5 12. Be2 N5g6 13. Bg3 d5 14. e5
Nf5 15. f4 Ne3 16. Qd3 Nxf1 17. Rxf1 Bd7 18. Bh5 Qe8 19. Nd4 Bxd4 20. Qxd4 Ne7
{Consoli,A (1477)-Marques,E (1857) Florianopolis BRA 2022 1-0 (50)}) 6... bxc6
7. O-O h6 $146 ({RR} 7... d5 8. exd5 cxd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Qg4
Kf8 12. Be3 Bxe3 13. fxe3 f5 14. Nd2 Nf6 15. Qg3 h6 16. c4 Rc8 17. cxd5 Qxd5
18. Nb3 Ne4 19. Qf3 Qe5 20. Qe2 Kf7 21. Rac1 Nf6 22. h3 {Kennedy,H-Loewe,E
London 1849 1-0 (42)}) 8. Qh5 Bb6 9. Nc3 Nf6 10. Qh4 Bd4 11. Bg5 Qa5 12. Be3
Bxc3 13. bxc3 Qxc3 14. e5 Qxe5 15. Bd4 Qg5 16. Bxf6 Qxf6 17. Qg3 O-O 18. Qd6
Re8 19. Rab1 Qf5 20. Bd3 Qd5 21. Qa3 c5 22. Rfd1 Qc6 23. f3 c4 24. Be4 d5 25.
Bxd5 exd5 26. Re1 Bf5 27. Rxe8+ Rxe8 28. Qxa7 Bxc2 29. Rb7 Qe6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Franca Jr, Jairo"]
[Black "Oliveira, Aquiles"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. O-O O-O 10. Bg5 h6 11. Bh4 g5 12. Bg3 Nh5 13. Qd2 Nxg3 14. hxg3 Qa5
15. Rac1 Be6 16. Rfd1 Rfc8 17. Nd5 Qxd2 18. Rxd2 Kf8 19. Rdc2 $146 ({RR} 19.
Rcc2 Bd7 20. Ne3 Bc6 21. f3 e6 22. Kf2 Ke7 23. c5 dxc5 24. Rxc5 Rd8 25. Rcc2
Bd4 26. Bd3 Rd7 27. Ke2 h5 28. Nc4 a5 29. Na3 Be5 30. Kf2 Rad8 31. Nc4 Bc7 32.
Be2 Rxd2 33. Rxd2 Rxd2 {Lohou,S (2181)-Bedouin,X (2351) France 2009 0-1 (40)})
19... Rc6 20. b4 Rac8 21. Bd3 Bd4 22. Kf1 a6 23. a4 a5 24. b5 Rc5 25. Ke2 Rb8
26. Rh1 Bg7 27. Ke3 Bd7 28. Kf3 e6 29. Ne3 Ke7 30. Rcc1 b6 31. Rh5 Bc8 32. Ke2
Bb7 33. f3 Be5 34. Rxh6 Bxg3 35. Rch1 Bf4 36. Rh7 Rf8 37. R1h3 Rg8 38. Ng4 d5
39. exd5 exd5 40. Nh6 Rf8 41. Nxf7 Rxf7 42. Rxf7+ Kxf7 43. Rh7+ Kf8 44. Rxb7
dxc4 45. Be4 Bc7 46. Kd2 c3+ 47. Kc2 Ke7 48. Ra7 Ke6 49. g4 Ke5 50. Bc6 Kd6 51.
Ra8 Ke7 52. Re8+ Kf7 53. Re3 Be5 54. Rd3 Rc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Franco Filho, Sinvaldo"]
[Black "Medeiros, Fabricio"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Nc6 5. Bb5 Bd7 6. c4 ({RR} 6. O-O e6 7.
c4 Nb6 8. d5 exd5 9. Re1+ Be7 10. c5 Nc8 11. Qxd5 O-O 12. Nc3 Bf6 13. Bf4 N8e7
14. Qd2 Ng6 15. Nd5 Nxf4 16. Qxf4 Bxb2 17. Rad1 Qc8 18. Bxc6 Bxc6 19. Ne7+ Kh8
20. Nxc8 Raxc8 {Grigore,N (2348)-Ciortan,M (2065) Sovata 2001 1-0 (38)}) ({RR} 
6. Bxc6 Bxc6 7. c3 e6 8. Kf1 Bd6 9. c4 Nf6 10. Bg5 h6 11. Bxf6 Qxf6 12. Nc3
O-O-O 13. d5 Bd7 14. Qd2 exd5 15. cxd5 Bb4 16. Re1 Bb5+ 17. Kg1 Bxc3 18. bxc3
Qb6 19. Ne5 Rhe8 20. Nd7 Bxd7 {Escudie,P-Jouandet,N Europe-Echecs INT 2021 0-1}
) 6... Nf6 7. d5 Nb8 8. Nc3 $146 ({RR} 8. Bxd7+ Nbxd7 9. Nc3 g6 10. Be3 Bg7 11.
Rb1 O-O 12. O-O Re8 13. Re1 Qc8 14. b3 c6 15. Qd2 Ng4 16. Bd4 Bh6 17. Qe2 c5
18. Be5 Ndxe5 19. Nxe5 Nxe5 20. Qxe5 Bg7 21. Qe3 Bd4 22. Qd3 Qc7 {Prinzen,S 
(951)-Nguyen,J (1102) Willingen 2017 1-0 (69)}) 8... a6 9. Ba4 g6 10. O-O Bg7
11. Re1 O-O 12. Bg5 h6 13. Bf4 c6 14. d6 exd6 15. Bxd6 Re8 16. c5 Bg4 17. Qd3
b6 18. Ne5 Bf5 19. Qf3 Nbd7 20. Nxc6 Qc8 21. Rxe8+ Qxe8 22. Ne7+ Kh7 23. Nxf5
b5 24. Bc2 Ne5 25. Bxe5 Rd8 26. Nd6 Qxe5 27. Nxf7 Qe7 28. Nxd8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Freitas, Mauricio"]
[Black "Ribeiro, Fabiano Pinto"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. c4 Nc6 3. g3 e5 4. Nc3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. Bg5
f6 9. Be3 ({RR} 9. Bd2 d6 10. a3 Be6 11. b4 cxb4 12. axb4 Nxb4 13. Rb1 Nec6 14.
Ne1 a5 15. Nc2 Qd7 16. Nd5 Nxc2 17. Qxc2 Nd4 18. Qd1 Ra7 19. Bc3 Nc6 20. Qd2 f5
21. Rb5 a4 22. Ra1 Kh8 23. Nb6 Qc7 {Kasimdzhanov,R (2652)-Lautier,J (2680)
playchess.com INT 2004 1-0 (36)}) ({RR} 9. Bd2 d6 10. Ne1 f5 11. f4 Be6 12. e4
Qd7 13. Nc2 Nd4 14. Nxd4 exd4 15. Nd5 fxe4 16. Bxe4 Nxd5 17. cxd5 Bg4 18. Qb3
Rae8 19. Rae1 b5 20. a4 a6 21. axb5 axb5 22. Ra1 c4 23. Qc2 Rc8 {Hinds,N (1976)
-Bambino Filho,A (2144) chess.com INT 2023 0-1 (36)}) 9... d6 10. Rb1 Rb8 $146
({RR} 10... a6 11. a3 Rb8 12. b4 cxb4 13. axb4 b5 14. cxb5 axb5 15. Qb3+ Kh8
16. Nd2 f5 17. Bg5 Qe8 18. Bxe7 Nxe7 19. Rfc1 Qf7 20. Qxf7 Rxf7 21. Nd5 Be6 22.
Nxe7 Rxe7 23. Rc6 d5 24. Nb3 e4 25. d4 {Zakirov,R (2279)-Agishev,K (1924)
Moscow 2006 1-0 (47)}) 11. Qa4 Bd7 12. Qd1 b6 13. a3 a5 14. Nb5 Be6 15. Nd2 d5
16. cxd5 Nxd5 17. Nc4 Nxe3 18. Nxe3 Qd7 19. Bxc6 Qxc6 20. a4 Bh6 21. Nc4 Rfd8
22. Qc2 Rd7 23. e4 Rbd8 24. Rbd1 Bh3 25. Rfe1 Bg4 26. Qb3 Qe6 27. Nxa5 bxa5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Gauche, Charles"]
[Black "Umetsubo, Cesar"]
[Result "0-1"]
[ECO "B19"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Bb4 13. c3 Be7 14. c4 Qc7 15.
O-O-O Ngf6 16. Kb1 O-O 17. Qe2 Rfe8 18. Ne5 c5 19. Bc3 cxd4 20. Bxd4 Nxe5 21.
Bxe5 Qc6 22. Bxf6 $146 ({RR} 22. f4 Rac8 23. Rc1 Red8 24. Rhe1 Bb4 25. Red1
Rxd1 26. Rxd1 Be7 27. b3 a6 28. Bb2 Rd8 29. Rxd8+ Bxd8 30. f5 Bc7 {1/2-1/2 (30)
Voloshin,L (2470)-Ruck,R (2535) Austria 2005}) 22... Bxf6 23. Ne4 Be7 24. f3
Rac8 25. Rc1 f5 26. Nf2 Bg5 27. Rc2 e5 28. Rd1 e4 29. fxe4 fxe4 30. Nh3 Bf6 31.
Nf4 e3 32. Rd5 Re4 33. Rf5 Rxc4 34. Rxc4 Qxc4 35. Qxc4+ Rxc4 36. g3 Rd4 37. Rc5
Rxf4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Guimaraes, Diogo Duarte"]
[Black "Lima, Darcy Gustavo"]
[Result "1/2-1/2"]
[ECO "B56"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e5 7. Nf3 h6 8. Bc4
Be7 9. O-O O-O ({RR} 9... Bg4 10. h3 Bh5 11. Qe2 Rc8 12. Rfd1 Qd7 13. a3 O-O
14. Ba2 Kh8 15. Rd3 g5 16. Nd5 Nxe4 17. Bxa7 Nxa7 18. Qxe4 Bg6 19. Nxe5 Bxe4
20. Nxd7 Bxd3 21. Nxe7 Bxc2 22. Nxc8 Rxc8 23. Bxf7 Rc7 24. Be6 {Timman,J (2630)
-Marjanovic,S (2505) Belgrade 1987 1-0 (61)}) ({RR} 9... Be6 10. Bxe6 fxe6 11.
Nh4 O-O 12. Ng6 Rf7 13. f4 exf4 14. Bxf4 Kh7 15. Nxe7 Rxe7 16. Kh1 e5 17. Be3
Qd7 18. Nd5 Nxd5 19. Qxd5 Qe6 20. Rad1 Qxd5 21. Rxd5 Rd7 22. c3 Ne7 23. Rd2 Ng8
24. Rfd1 {Large,P (2298)-Nazaretyan,T (2316) chess.com INT 2022 0-1 (54)}) 10.
h3 Na5 $146 ({RR} 10... a6 11. a4 Be6 12. Bd5 Rc8 13. Qe2 Na5 14. Rfd1 Qc7 15.
Ne1 Nc4 16. Bc1 Nxd5 17. Nxd5 Bxd5 18. Rxd5 f5 19. f3 Nxb2 20. Bxb2 Qb6+ 21.
Bd4 exd4 22. Nd3 f4 23. Kh1 Rc3 24. e5 dxe5 25. Nxe5 {Mathe,A (2070)-Le Godec,
D (2190) Montpellier 1991 0-1 (36)}) 11. Bd5 Nxd5 12. Nxd5 Nc4 13. Bc1 Nb6 14.
Nxe7+ Qxe7 15. b3 Nd7 16. Ba3 Nc5 17. Bxc5 dxc5 18. Qd5 Re8 19. Rfd1 Rb8 20.
Qd6 Qxd6 21. Rxd6 b6 22. Rad1 Bb7 23. Nd2 Rbd8 24. Nc4 Rxd6 25. Nxd6 Rd8 26.
Rd3 Ba6 27. c4 Bb7 28. f3 a6 29. Kf2 g6 30. Ke3 Ba8 31. f4 exf4+ 32. Kxf4 Kf8
33. e5 Bxg2 34. h4 h5 35. Kg5 Ke7 36. Rd2 Bh3 37. Rf2 Be6 38. a4 Rf8 39. Rf6
Rd8 40. Rf3 Rf8 41. Rf6 Rd8 42. Rf3 Rf8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Kruger, Israel"]
[Black "Nunes Jr, Sidney"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nc3 O-O 6. Nf3 b6 7. cxd5 exd5 8. O-O
Bb7 9. b3 Nbd7 10. Bb2 Re8 11. Rc1 a6 12. Qc2 Bd6 13. e3 ({RR} 13. Nd2 c5 14.
dxc5 Nxc5 15. e3 Qe7 16. Rfd1 b5 17. Qf5 Qe6 18. Qb1 Nfe4 19. Ndxe4 Nxe4 20.
Rd3 Be5 21. Rcd1 Qf5 22. Nxe4 dxe4 23. R3d2 h5 24. h4 Rac8 25. Qa1 Bxb2 26.
Qxb2 Rc5 27. Kh2 Bc8 {Cesar Maestre,B (2386)-Rodriguez Redondo,A (2117)
Marbella ESP 2023 1-0 (53)}) 13... Ne4 14. Nxe4 dxe4 15. Ne5 Nf6 $146 ({RR} 
15... Nxe5 16. dxe5 Bxe5 17. Bxe5 Rxe5 18. Rfd1 Qf6 19. Qxc7 Bd5 20. Qd7 Be6
21. Qb7 Re8 22. Qxb6 a5 23. Rd4 h6 24. Rcd1 Qe7 25. Rd8 Kh7 26. R8d4 Bg4 27.
Rc1 Qg5 28. h3 Bh5 29. Qc6 R8e6 30. Qa8 {Gauri,S (2364)-Jacobson,A (2256)
Charlotte USA 2018 0-1 (39)}) 16. Nc4 Bf8 17. Rfd1 Rc8 18. Bh3 Ra8 19. Ne5 Nd5
20. a3 f6 21. Nc4 g6 22. Bg2 Qe7 23. b4 Kh8 24. Qb3 Rad8 25. Rc2 Qe6 26. Rdc1
h5 27. Nd2 Qf5 28. Qc4 h4 29. Qe2 hxg3 30. hxg3 Rd7 31. Kf1 Rh7 32. Ke1 Rh2 33.
Qf1 Bd6 34. Qg1 Qh5 35. Nf1 Rxg2 36. Qxg2 Kg8 37. Kd2 a5 38. bxa5 bxa5 39. Re1
Ba6 40. Kc1 Bd3 41. Rd2 Rb8 42. Rxd3 exd3 43. Nd2 Nc3 44. Qc6 Ne2+ 45. Kb1 Bxa3
46. Nc4 d2 47. Nxd2 Rxb2+ 48. Ka1 Rb8 49. Rh1 Bb2+ 50. Kb1 Qf5+ 51. Ne4 Qxe4+
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Labussiere, Victor"]
[Black "Mekhitarian, Krikor"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 Nf6 5. Nh4 Be4 ({RR} 5... Bb4 6. Nxf5 exf5
7. Bg5 dxc4 8. e3 b5 9. a4 Nbd7 10. axb5 h6 11. Bxf6 Nxf6 12. Bxc4 Ne4 13. Qb3
Bxc3+ 14. bxc3 Nd6 15. Bd5 Rb8 16. Bc6+ Kf8 17. Rxa7 h5 18. O-O h4 19. h3 Rh6
20. Qd5 {Ding Liren (2811)-Nepomniachtchi,I (2776) chess.com INT 2019 1-0}) 6.
f3 c5 ({RR} 6... Bg6 7. Nxg6 hxg6 8. e4 dxe4 9. fxe4 Bb4 10. Bg5 c5 11. d5 Qa5
12. Bxf6 gxf6 13. Qf3 Nd7 14. Rc1 Qxa2 15. Bd3 Qxb2 16. O-O Bxc3 17. Rb1 Bd4+
18. Kh1 Qd2 19. Rxb7 Ne5 20. Re7+ Kxe7 21. Qxf6+ {Bullen,A (2146)-Atanasov,A 
(2406) chess.com INT 2023 0-1}) 7. e3 $146 ({RR} 7. fxe4 cxd4 8. Qxd4 Nc6 9.
Qd1 d4 10. Nb1 Nxe4 11. Nf3 e5 12. a3 a5 13. e3 Bc5 14. Bd3 Nd6 15. e4 f5 16.
Nbd2 O-O 17. O-O f4 18. Nb3 b6 19. Nxc5 bxc5 20. Rb1 g5 21. Nd2 Ra7 {
Dzhumagaliev,Y (2400)-Vlassow,V (2248) Tallinn 2016 1-0 (53)}) 7... cxd4 8.
exd4 Bg6 9. Qb3 Qd7 10. Nxg6 hxg6 11. c5 Nc6 12. Be3 Be7 13. Qa4 O-O 14. Be2
Qc7 15. f4 a6 16. Bf3 b6 17. b4 a5 18. b5 Nb4 19. Qd1 bxc5 20. a3 c4 21. axb4
axb4 22. Ne2 Qb7 23. O-O Rxa1 24. Qxa1 Ra8 25. Qb2 Qxb5 26. Ra1 Ra5 27. Kf2 Qa6
28. Rxa5 Qxa5 29. Nc1 b3 30. Bd2 Ba3 31. Bxa5 Bxb2 32. Ne2 Bxd4+ 33. Ke1 b2 34.
Nc3 Bxc3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Lima, Carlos Eduardo A"]
[Black "Silva, Lucas Henrique"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Bd3 d6 6. Nbd2 Nbd7 7. Bg3 ({RR} 7.
c3 Qe8 8. Qc2 e5 9. dxe5 dxe5 10. Bg5 Nc5 11. Bxf6 Bxf6 12. Ne4 Nxd3+ 13. Qxd3
Bg7 14. Qc4 Qe7 15. Qc5 Qxc5 16. Nxc5 b6 17. Nb3 Rd8 18. Rd1 Ba6 19. Rd2 h6 20.
Kd1 e4 21. Nfd4 c5 {Navarro Coloma,A (2011)-Campos Moreno,J (2498) Seville
2004 0-1 (42)}) ({RR} 7. c3 Re8 8. O-O e5 9. Bg5 h6 10. Bxf6 Nxf6 11. Qc2 Qe7
12. e4 Nh5 13. Rfe1 Nf4 14. Bf1 Rf8 15. g3 Nh3+ 16. Kg2 Kh7 17. d5 Ng5 18.
Nxg5+ Qxg5 19. Nf3 Qh5 20. Ng1 f5 21. exf5 gxf5 {Zharokov,B (1936)-Zakharov,V 
(2364) Astana 2012 0-1}) 7... c5 $146 ({RR} 7... Qe8 8. c3 e5 9. dxe5 dxe5 10.
Bc4 Qe7 11. O-O b6 12. Qe2 a5 13. Rfd1 Bb7 14. Nf1 Rad8 15. a3 Ne4 16. Bd5 Ndc5
17. Bxb7 Nxb7 18. Qc4 Nxg3 19. Nxg3 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. Nf1 {
Martinez Otero,D (1813)-Bajo Gutierrez,I (2247) Oviedo 2009 0-1 (56)}) 8. c3 b6
9. e4 Nh5 10. O-O Nxg3 11. hxg3 Rb8 12. Re1 Qc7 13. Nf1 e6 14. Rc1 b5 15. Bb1
Rd8 16. Qd2 Qb6 17. d5 e5 18. Nh4 Nf6 19. Rcd1 Ng4 20. Nh2 c4 21. Qe2 h5 22.
Nxg4 Bxg4 23. Nf3 Bh6 24. b4 cxb3 25. axb3 Rdc8 26. c4 bxc4 27. bxc4 Qc5 28.
Bd3 a5 29. Qa2 Rb4 30. Ra1 a4 31. Reb1 Rcb8 32. Rxb4 Rxb4 33. Ne1 Bd7 34. Bf1
Rb3 35. Bd3 Qb4 36. Bc2 Rb2 37. Qa3 Qxa3 38. Rxa3 Bd2 39. Bxa4 Bxa4 40. Rxa4
Bxe1 41. f3 Bxg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Lima, Lucas Taveira"]
[Black "Duailibi, Ricardo"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. e3 d6 ({RR} 5... e6 6. d4 cxd4 7.
exd4 O-O 8. Nf3 d5 9. b3 Ne4 10. Bb2 Nxc3 11. Bxc3 b6 12. cxd5 exd5 13. O-O Nc6
14. Ne5 Nxe5 15. dxe5 Be6 16. Re1 Qd7 17. Qd2 Rac8 18. Bd4 Rc7 19. a4 Rfc8 20.
Bf1 {Kramnik,V (2811)-Anand,V (2786) Zuerich 2017 1-0 (38)}) ({RR} 5... e6 6.
d4 cxd4 7. exd4 d5 8. b3 O-O 9. Nge2 Nc6 10. O-O Re8 11. Re1 b6 12. Bg5 Ne7 13.
Nf4 Bb7 14. Rc1 Qd7 15. Nd3 h6 16. Ne5 Qd8 17. Bf4 Rc8 18. h4 Nf5 19. Nb5 Nh5
20. Bd2 {Nguyen,T (2623)-Gaal,Z (2336) Terme Catez SLO 2022 1-0 (53)}) 6. Nf3
Nc6 $146 ({RR} 6... O-O 7. d4 cxd4 8. Nxd4 a6 9. Qb3 Qc7 10. Bd2 Nc6 11. Nce2
Rb8 12. Rc1 Nd7 13. Qc2 Nc5 14. b4 Nxd4 15. Nxd4 Bxd4 16. exd4 Bf5 17. Qd1 Nd3+
18. Ke2 Nxc1+ 19. Qxc1 Rfc8 20. c5 dxc5 21. bxc5 {Rincon Zapatero,F-Arroyo
Martinez,F Valladolid 1983 0-1}) 7. O-O e5 8. d3 Bg4 9. Rb1 Qd7 10. a3 a5 11.
Bd2 O-O 12. Na4 Qf5 13. Nb6 Ra6 14. Nd5 Nxd5 15. cxd5 Qxd3 16. dxc6 e4 17. Ne1
Qxf1+ 18. Bxf1 Bxd1 19. Bxa6 bxa6 20. Rxd1 Rc8 21. c7 Rxc7 22. Bxa5 Rc6 23. b4
c4 24. Nc2 f5 25. Nd4 Rc8 26. Rc1 Kf7 27. b5 Bxd4 28. exd4 axb5 29. Kf1 Ke6 30.
Ke2 Kd5 31. Ke3 g5 32. Bc3 Ra8 33. Bb2 Rf8 34. Rf1 f4+ 35. Ke2 Ra8 36. Kd2 Rf8
37. gxf4 Rxf4 38. Ke2 g4 39. Rg1 h5 40. Bc1 Rf3 41. Be3 Rh3 42. Rg2 c3 43. Kd1
Kc4 44. Kc2 d5 45. Bg5 Kxd4 46. Bf6+ Kc4 47. Rg3 Rxg3 48. hxg3 d4 49. Bg7 d3+
50. Kc1 Kb3 51. Bf6 h4 52. gxh4 g3 53. fxg3 e3 54. Bg5 d2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Luz, Arthur Nader"]
[Black "Cadilhac, Igor"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nc3 e6 5. Nb5 Na6 6. c3 Be7 7. h4 ({RR} 7. h3
O-O 8. Nf3 Bd7 9. a4 c4 10. Be2 Bxb5 11. axb5 Nc7 12. Qa4 Bd6 13. Bg5 a6 14.
bxa6 Rxa6 15. Qd1 Rxa1 16. Qxa1 Qa8 17. O-O Ne4 18. Bf4 Bxf4 19. exf4 Qxa1 20.
Rxa1 Ra8 21. Rxa8+ Nxa8 {Artemiev,V (2704)-Karjakin,S (2757) Krasnaya Polyana
RUS 2021 0-1 (49)}) ({RR} 7. a4 O-O 8. Nf3 Bd7 9. Ne5 Bc6 10. g4 Ne4 11. Bd3
Bh4 12. Bxe4 dxe4 13. Nxc6 bxc6 14. Nd6 cxd4 15. cxd4 Nb4 16. Nxe4 Qd5 17. Qb1
f5 18. gxf5 exf5 19. Bd6 fxe4 20. Bxb4 Bxf2+ 21. Kd1 Bxe3 {Fajdetic,H (2151)
-Matveeva,O (2111) chess.com INT 2023 1/2-1/2 (53)}) 7... O-O 8. Bd3 Bd7 $146 (
{RR} 8... cxd4 9. exd4 Bd7 10. a4 Bxb5 11. axb5 Nc7 12. Nf3 Nce8 13. Ng5 Nd6
14. Qe2 h6 15. Bc2 a6 16. bxa6 Rxa6 17. Rxa6 bxa6 18. Qd3 Qa5 19. Bxd6 Bxd6 20.
Nh7 Rb8 21. Nxf6+ gxf6 22. Qh7+ Kf8 23. Qxh6+ {Fajdetic,H (2151)-Winter Roach,
A (2250) chess.com INT 2020 0-1 (78)}) 9. a4 Qb6 10. Nf3 c4 11. Bc2 Bxb5 12.
axb5 Qxb5 13. Rb1 Qe8 14. Qe2 b5 15. Ra1 Qc8 16. Ng5 Nc7 17. Be5 Nce8 18. e4
dxe4 19. Nxe4 Nd5 20. Ng5 f5 21. Rh3 Nef6 22. Rg3 g6 23. Nh3 Ng4 24. Rxg4 fxg4
25. Qxg4 Nf6 26. Qg5 Rf7 27. Qg3 Qc6 28. Ng5 Nh5 29. Qg4 Bxg5 30. Be4 Qe8 31.
hxg5 Rc8 32. Ra6 Ng7 33. f4 b4 34. d5 Qb5 35. dxe6 Re7 36. Rd6 bxc3 37. bxc3
Rce8 38. Bc6 Qb1+ 39. Rd1 Qb6 40. Bxe8 Nxe8 41. Rd7 Kf8 42. Qh3 Qxe6 43. Qxe6
Rxe6 44. Rxa7 Nd6 45. Ra6 Ke7 46. Rxd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Molina, Roberto Junio"]
[Black "Santos, Clecio Franca"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bg5 f6 ({RR} 6... c5 7.
dxc5 dxc5 8. f3 Qxd2+ 9. Bxd2 Nf6 10. Nb5 Na6 11. O-O-O O-O 12. Be3 Be6 13. a3
Rfc8 14. Ne2 Nc7 15. Nxc7 Rxc7 16. Nf4 Bh6 17. Re1 Bd7 18. Kb1 Kg7 19. e5 Ng8
20. e6 fxe6 21. Bc4 {Timoscenko,G (2515)-Efimov,I (2530) Pula 1997 1/2-1/2 (50)
}) 7. Bh4 O-O ({RR} 7... e5 8. dxe5 dxe5 9. Qxd8+ Kxd8 10. h3 Nh6 11. O-O-O+
Nd7 12. Nf3 Nf7 13. Nd5 g5 14. Bg3 Nd6 15. Nd2 h5 16. f3 c6 17. Ne3 b5 18. Nb3
Bf8 19. h4 gxh4 20. Bxh4 Kc7 21. Kb1 a5 22. Bf2 {Pikula,D (2320)-Brankovic,D 
(2290) Paracin SRB 2023 1-0 (42)}) 8. h3 Nh6 9. O-O-O $146 ({RR} 9. f4 c6 10.
Nf3 b5 11. Bd3 a5 12. O-O Nd7 13. Nd1 Qb6 14. Bf2 Ba6 15. Ne3 Qb7 16. f5 b4 17.
fxg6 hxg6 18. Nh4 Bxd3 19. Qxd3 Kh7 20. Nc4 Rg8 21. e5 Bf8 22. e6 Nb6 23. Nxb6
Qxb6 {Rabiega,R (2477)-Lueders,G (2290) Berlin 2000 1-0 (46)}) 9... Nf7 10. Kb1
Na6 11. f4 c5 12. dxc5 Nxc5 13. Nf3 Rb8 14. Bf2 b6 15. Bc4 Be6 16. Bxe6 Nxe6
17. f5 Nc5 18. Qe2 Qe8 19. Nd4 Qd7 20. g4 Rfc8 21. h4 Ne5 22. Bg3 Nc6 23. Nf3
b5 24. Nd5 e6 25. Bxd6 exd5 26. Bxc5 Qf7 27. Rxd5 Bf8 28. Bxf8 Kxf8 29. Qd2 Rb7
30. g5 a5 31. gxf6 Ke8 32. Rd1 Qxf6 33. Rd6 Qe7 34. f6 Qc7 35. Ng5 Ne5 36. Re6+
Kf8 37. Re7 Nc4 38. Ne6+ Kg8 39. f7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Moreira, Cleber Naief"]
[Black "Rodrigues, Julliano"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 {Bulletin} e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bb4+ 7.
Nc3 Bg4 8. Be2 Bxf3 9. Bxf3 Qc4 10. Bxc6+ bxc6 11. Qe2+ Qxe2+ 12. Kxe2 Ne7 13.
a3 ({RR} 13. Bf4) ({RR} 13. Kd3 O-O 14. Re1 Rfd8 15. Kc4 Bd6 16. Bg5 f6 17. Be3
Rab8 18. b3 Rb4+ 19. Kd3 c5 20. dxc5 Bxc5+ 21. Kc2 Bxe3 22. Rxe3 Nf5 23. Rd3
Rxd3 24. Kxd3 Rd4+ 25. Ke2 h5 26. Rd1 c6 27. Rxd4 Nxd4+ {Goroshkov,M (2281)
-Estrada Nieto,J (2264) chess.com INT 2022 1-0 (51)}) 13... Ba5 14. b4 $146 ({
RR} 14. Rd1 O-O-O 15. Be3 Rhe8 ({RR} 15... Bb6) 16. b4 Bb6 17. Kf3 Nf5 18. Ne2
Rd6 19. a4 Rf6 20. Bf4 ({RR} 20. Nf4 g5 21. Nh5 Nxd4+ 22. Kg4 ({RR} 22. Kg3
Ne2+ 23. Kg4 Re4+ 24. f4 ({RR} 24. Kxg5 Rg6+ 25. Kf5 Rxb4) 24... Rg6) 22...
Re4+ 23. f4 Rg6) 20... Nh4+ 21. Kg4 Rxe2 22. g3 Nf5 23. Be5 Nh6+ 24. Kh3 Rfxf2
25. g4 a6 26. Rac1 f5 27. gxf5 Nxf5 28. Rxc6 h5 {Todorovic,O (2150)-Maric,M 
(2280) Belgrade 1998 EXT 1999 [Bulletin] 0-1}) 14... Bb6 15. Be3 Rd8 16. Kd3
Nf5 17. Ne2 c5 18. bxc5 Bxc5 19. Rhc1 Bb6 20. g4 Nxd4 21. Nxd4 c5 22. Rc4 O-O
23. Kc3 cxd4+ 24. Bxd4 Ba5+ 25. Kb3 Rd7 26. Rac1 Rfd8 27. Be3 Rd3+ 28. Ka4 Bd2
29. Bxd2 Rxd2 30. Rc8 g6 31. Rxd8+ Rxd8 32. Rc7 Rd4+ 33. Kb3 Rxg4 34. Rxa7 Rg2
35. a4 Rxf2 36. a5 Rxh2 37. a6 Rh1 38. Kb2 Rh5 39. Ra8+ Kg7 40. a7 Ra5 41. Kc3
h5 42. Kd2 Kf6 43. Kc3 h4 44. Kb4 Ra1 45. Kb5 Kg7 46. Kb6 h3 47. Rc8 h2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Mota, Romulo Cardoso"]
[Black "Souza, Eliel"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "29"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Bg4 7. Bc4 ({RR
} 7. Be3 Nd7 8. h3 Bf5 9. Qe2 Be7 10. Nd4 Bg6 11. g4 O-O 12. Bg2 c5 13. Nf5
Bxf5 14. gxf5 Qa5 15. Bd5 Nf6 16. Qd2 Nxd5 17. Qxd5 b5 18. Rg1 Bf6 19. O-O-O
Kh8 20. Kb1 b4 21. c4 Rad8 {Delgado Ramirez,N (2554)-Navarro Segura,R (2241)
Yucatan 2004 1-0}) 7... Be7 ({RR} 7... Qf6 8. Qd4 Bxf3 9. Qxf6 gxf6 10. gxf3
Nd7 11. f4 c6 12. Be3 d5 13. Be2 Bc5 14. O-O-O Bxe3+ 15. fxe3 O-O-O 16. Bg4 Kc7
17. Bf5 Nc5 18. Rhg1 Ne6 19. Rg3 Rdg8 20. Rdg1 Rxg3 21. Rxg3 Kd6 22. Kd2 {
Crispin Ferreras,D (2190)-Mendez,R (2043) Santo Domingo DOM 2019 1/2-1/2}) 8.
Qd4 Bxf3 $146 ({RR} 8... Be6 9. Bxe6 fxe6 10. Qxg7 Bf6 11. Qg4 Qe7 12. Be3 Nc6
13. Nd4 Kd7 14. O-O-O Rhg8 15. Qh3 Rg6 16. g3 Nxd4 17. Bxd4 b6 18. f4 c5 19. f5
exf5 20. Qxf5+ Kc7 21. Bxf6 Rxf6 22. Qd5 Raf8 23. Rhe1 {Poliakova,E (1826)
-Berezjuk,R (1588) Liptovsky Mikulas 2016 1-0 (56)}) 9. Qxg7 Kd7 10. gxf3 Kc8
11. Bxf7 Bf6 12. Be6+ Nd7 13. Bxd7+ Kb8 14. Qg4 Rg8 15. Qh3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "di Berardino, Diego"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3 e6 5. e4 h6 6. Bh4 g5 7. Bg3 Nxe4 8.
Nxe4 dxe4 9. Nd2 Bg7 10. Qe2 $146 ({RR} 10. c3 f5 11. h4 g4 12. f3 exf3 13.
gxf3 h5 14. Bg2 O-O 15. fxg4 hxg4 16. Qb3 Nb6 17. O-O-O a5 18. Bf4 a4 19. Qb5
a3 20. b3 Nd5 21. Bxd5 Qxd5 22. Qxd5 exd5 23. b4 Bd7 24. Rde1 b6 {Schulz,
J-Steiner,E The Hague 1928 0-1 (38)}) ({RR} 10. h4 Bxd4 11. Nxe4 Bxb2 12. Rb1
Bg7 13. hxg5 hxg5 14. Rxh8+ Bxh8 15. Qh5 Bg7 16. Nxg5 Qe7 17. Rb3 Nf6 18. Qh4
Qc5 19. Bd3 a5 20. Rb5 Qc3+ 21. Ke2 Nd5 22. Qh5 Qf6 23. Nxf7 Kf8 24. Ng5 Ke7 {
Morozevich,A (2659)-Leko,P (2674) Abu Dhabi UAE 2019 1/2-1/2 (70)}) ({RR} 10.
h4 Bxd4 11. c3 Be5 12. Bxe5 Nxe5 13. hxg5 e3 14. Ne4 exf2+ 15. Kxf2 Qxd1 16.
Rxd1 Ke7 17. Be2 Bd7 18. gxh6 Bc6 19. Ng3 Rag8 20. Rd4 f5 21. Bf3 f4 22. Ne2
Nxf3 23. gxf3 e5 24. Rdd1 Rg6 {Bortnyk,M (2410)-Rorrer,G (2287) New York USA
2023 1/2-1/2 (70)}) 10... Nb6 11. c3 Bd7 12. h4 Bc6 13. hxg5 hxg5 14. Rxh8+
Bxh8 15. Qh5 Bf6 16. Qh7 Qd5 17. Nc4 Nxc4 18. Bxc4 Qxc4 19. Qg8+ Kd7 20. Qxa8
Bb5 21. O-O-O Ba4 22. Qxb7 Bxd1 23. Kxd1 e3 24. fxe3 Qd3+ 25. Ke1 Qxe3+ 26. Kf1
Qxg3 27. Qb5+ c6 28. Qa6 Qb8 29. Kg1 Qb6 30. Qf1 Ke7 31. b4 Qb5 32. Qf3 Qc4 33.
Qg3 Kf8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira Filho, Fernando"]
[Black "Okamura, Milton"]
[Result "0-1"]
[ECO "D47"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
Bb7 9. O-O a6 10. e4 c5 11. d5 Qc7 12. dxe6 fxe6 13. Bg5 ({RR} 13. Ng5 Qc6 14.
Qe2 c4 15. Bc2 Bc5 16. Be3 O-O 17. Rad1 h6 18. Nf3 Qc7 19. Nd4 Rae8 20. a3 Ne5
21. h3 Ng6 22. b4 Bd6 23. Ndxb5 axb5 24. Nxb5 Bh2+ 25. Kh1 Qc6 26. Na7 Qc7 27.
Nb5 Qc6 {Karpov,A (2740)-Anand,V (2715) Monte Carlo 1994 0-1 (100)}) ({RR} 13.
Ng5 Qc6 14. a4 b4 15. Ne2 h6 16. Nf3 Nxe4 17. Ng3 Ndf6 18. Nxe4 Nxe4 19. Ne5
Qd5 20. Bxe4 {1-0 (20) Sorensen,H (2365)-Johansson,G (2196) Stockholm SWE 2019}
) 13... Be7 $146 ({RR} 13... O-O-O 14. Qe2 Bd6 15. Rac1 Ne5 16. Nxe5 Bxe5 17.
h3 Kb8 18. a4 b4 19. Nd1 Rxd3 20. Qxd3 Nxe4 21. Be3 Rd8 22. Qc4 Qc6 23. f3 Nd2
24. Qh4 Bf6 25. Qg3+ Ka8 26. Bxd2 Rxd2 27. Kh1 Bd4 28. Qe1 {Adla,D (2498)
-Korneev,O (2619) Mondariz 2000 1/2-1/2 (44)}) 14. Re1 O-O 15. e5 Bxf3 16. gxf3
Nxe5 17. Bf4 Bd6 18. Bg3 Nxd3 19. Qxd3 Bxg3 20. fxg3 Qc6 21. Rad1 c4 22. Qd6
Qxf3 23. Qxe6+ Kh8 24. Re3 Qh5 25. Qe5 Qg6 26. Qd6 Qc2 27. Re2 Qf5 28. Re5 Qg4
29. Rd4 Qc8 30. Qe6 Qb7 31. Qe7 Qb6 32. Qd6 Qxd6 33. Rxd6 b4 34. Na4 Rac8 35.
Rxa6 c3 36. bxc3 bxc3 37. Nxc3 Rxc3 38. Kg2 Rfc8 39. Rae6 Ra3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Joao Victor"]
[Black "Jenidarchiche, Douglas"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 d6 6. Nc3 ({RR} 6. h3 O-O 7.
c3 Bb6 8. d4 h6 9. a4 a6 10. d5 Ne7 11. a5 Ba7 12. Nbd2 c6 13. dxc6 bxc6 14.
Bb3 Ng6 15. Nc4 Be6 16. Be3 Bxe3 17. Rxe3 Bxc4 18. Bxc4 d5 19. Bd3 Re8 20. Qa4
Qd6 {Sukandar,I (2220)-Li,R (2418) Jakarta 2007 0-1 (38)}) ({RR} 6. a3 Bg4 7.
h3 Bh5 8. d3 Nd4 9. Nbd2 O-O 10. b4 Bb6 11. c3 Nxf3+ 12. Nxf3 h6 13. Be3 c5 14.
bxc5 dxc5 15. Bd2 a6 16. Re3 Rc8 17. Qb3 Rc6 18. Nxe5 Rc7 19. Rg3 Kh8 20. Qxb6
Qe7 {Burton,C (1202)-Ahaus,F (737) Germany 2015 1-0 (47)}) 6... Bg4 7. Na4 $146
({RR} 7. h3 Bh5 8. b3 a6 9. Bb2 Nd4 10. Be2 Nxe2+ 11. Qxe2 Qd7 12. a4 h6 13.
Red1 O-O-O 14. d4 Bxd4 15. Rd3 Rhg8 16. Qd2 Bxf3 17. Rxf3 Nxe4 18. Qe1 Nxc3 19.
Bxc3 Bxc3 20. Rxc3 Qf5 21. Rf3 Qxc2 {Kapila,L-Emhemed,I (1493) Khanty-Mansiysk
2010 0-1 (36)}) 7... Nd4 8. c3 Nxf3+ 9. gxf3 Bh3 10. d4 Bb6 11. Nxb6 axb6 12.
dxe5 dxe5 13. Qxd8+ Rxd8 14. Be3 Nh5 15. a4 Rd6 16. a5 Rg6+ 17. Kh1 Bg2+ 18.
Kg1 O-O 19. axb6 cxb6 20. Bd5 Nf4 21. Bxf4 exf4 22. Bxb7 Bxf3+ 23. Kf1 Rg2 24.
Rec1 Rxh2 25. Ke1 f5 26. Bd5+ Kh8 27. Ra4 fxe4 28. Bxe4 Re8 29. Rd1 Rh1+ 30.
Kd2 Rd8+ 31. Kc2 Bxd1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Leonardo Tadeu"]
[Black "Azevedo Jr, Joao"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Nb8 9. c4 a6 10. Nc3 Nd7 11. Bd3 ({RR} 11. Be2 Be7 12. b4 a5 13. bxa5 O-O
14. a4 f5 15. O-O Rxa5 16. Nb5 Nc5 17. Bd2 Ra8 18. a5 Bd7 19. Bb4 b6 20. Bxc5
bxc5 21. a6 e4 22. Ra3 f4 23. Bg4 f3 24. gxf3 Bxg4 25. fxg4 Bf6 {Lagarde,M 
(2616)-Mamedov,R (2703) Skopje MKD 2018 0-1 (46)}) ({RR} 11. Be3 g6 12. Qa4 f5
13. f3 Be7 14. Rd1 O-O 15. b4 e4 16. Be2 Bf6 17. Qb3 exf3 18. Bxf3 Re8 19. Kf2
Be5 20. c5 f4 21. Bd4 Qh4+ 22. g3 Bxd4+ 23. Kg2 fxg3 24. hxg3 Qf6 25. Ne4 Rxe4
{Smuk,Z (1980)-Pehar,B (1752) Grohote CRO 2022 0-1}) 11... Nc5 12. Bc2 Qh4 $146
({RR} 12... f5 13. Be3 b6 14. b4 Nd7 15. Bxf5 Qf6 16. Bxd7+ Bxd7 17. Bxb6 Be7
18. O-O O-O 19. c5 Rab8 20. Ne4 Qh4 21. f3 Bf5 22. Bc7 Rxb4 23. Nxd6 Rd4 24.
Qb3 Bd3 25. Rfe1 Bxd6 26. Bxd6 Rxf3 27. Qb8+ {Beukema,J (1816)-Nies,L (1306)
Borne 2013 1-0 (39)}) 13. O-O Qxc4 14. Be3 Qg4 15. f3 Qh4 16. g3 Qh5 17. Qd2 f5
18. Bxc5 dxc5 19. d6 Qh6 20. Ba4+ b5 21. Qd5 Qe3+ 22. Kh1 Ra7 23. Qc6+ Kf7 24.
Qxc8 Bxd6 25. Qxf5+ Ke8 26. Qe6+ Be7 27. Rae1 Qh6 28. Qxe5 Rd7 29. Nxb5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Olavo Tadeu"]
[Black "Pasqualotto, Amos"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Na5 8.
Qa4+ Bd7 9. Qc2 g6 10. Nf3 Bg7 11. Nbd2 Nc6 ({RR} 11... Nh5 12. Be3 Qc7 13. O-O
O-O 14. Rfe1 Nc6 15. Qb3 e6 16. a4 h6 17. Qd1 Rad8 18. Rc1 Nf4 19. Bf1 g5 20.
h4 f6 21. g3 Ng6 22. hxg5 fxg5 23. c4 Qd6 24. cxd5 exd5 25. Qb3 Kh8 26. Qxb7 {
Morozevich,A (2718)-Grischuk,A (2702) Prague 2002 1-0 (42)}) ({RR} 11... Rc8
12. h4 Nc4 13. Nxc4 dxc4 14. Be2 b5 15. Ne5 Bf5 16. Qd2 h5 17. Nf3 Nd5 18. O-O
Nxf4 19. Qxf4 a6 20. a4 Bh6 21. Qg3 Qb6 22. Ne5 Qd6 23. axb5 axb5 24. Bf3 f6
25. Bc6+ Rxc6 26. Ra8+ {Oberoi,S (2318)-Yu,J (2345) New York USA 2023 1-0}) 12.
Ne5 O-O 13. O-O Nxe5 14. Bxe5 $146 ({RR} 14. dxe5 Nh5 15. Be3 Bxe5 16. f4 Bg7
17. f5 Rc8 18. Nf3 e5 19. fxe6 Bxe6 20. Bxa7 b6 21. Qf2 d4 22. Nxd4 Bxd4 23.
Qxd4 Qxd4+ 24. cxd4 Rc6 25. Be4 Rd6 26. a4 Rxd4 27. Bf3 Rb4 28. Rf2 Nf4 {
Weetik,V (2423)-Tymrakiewicz,R (2214) chess.com INT 2022 1-0 (54)}) 14... Ne8
15. Nf3 Nd6 16. Bxd6 exd6 17. Qb3 Bc6 18. Rfe1 Qd7 19. Re2 Rfe8 20. Rae1 Rxe2
21. Rxe2 Re8 22. Rxe8+ Qxe8 23. Kf1 Bf6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Renato Sena"]
[Black "Oliveira, Tobias Luiz"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nxc6 bxc6 7. Bc4 Qc7 8.
O-O Nf6 ({RR} 8... Rb8 9. Bb3 Nf6 10. Bg5 O-O 11. Qd2 d6 12. Rfe1 Re8 13. Rad1
Nd7 14. Qf4 Ne5 15. Qh4 a5 16. f4 Ng4 17. f5 Qa7+ 18. Kf1 Ba6+ 19. Ne2 Ne3+ 20.
Bxe3 Qxe3 21. Qf2 Qxf2+ 22. Kxf2 Bxb2 23. Rb1 {Shimanov,A (2581)-Xiong,J (2692)
chess.com INT 2022 0-1 (33)}) 9. Bg5 ({RR} 9. Qf3 O-O 10. Bf4 Qb6 11. Bb3 Bb7
12. Rad1 d6 13. e5 c5 14. exf6 Bxf3 15. fxg7 Kxg7 16. gxf3 c4 17. Be3 Qc6 18.
Ba4 Qxf3 19. Rd4 e5 20. Rxc4 d5 21. Rh4 h5 22. Bc1 g5 23. Rb4 Rab8 {Ocampos,I 
(2222)-Montiel,A (1854) Buenos Aires ARG 2023 0-1}) 9... O-O 10. Qd2 Ng4 $146 (
{RR} 10... Nxe4 11. Nxe4 d5 12. Bxd5 cxd5 13. Qxd5 Rb8 14. Qc5 Qxc5 15. Nxc5
Rxb2 16. Bxe7 Re8 17. Rfe1 Rxc2 18. Rad1 Bf8 19. Bxf8 Rxe1+ 20. Rxe1 Kxf8 21.
Nb3 Rxa2 22. f3 Rb2 23. Rc1 Bf5 24. Nd4 Rb1 25. Rxb1 {Nery,J (2067)-Pereira,J 
(2236) Batatais 2013 1/2-1/2 (46)}) 11. Bf4 Be5 12. Bg3 Bxg3 13. fxg3 Qb6+ 14.
Kh1 Qxb2 15. Bb3 Qa3 16. Qf4 d6 17. Qg5 Qb4 18. Qxe7 Ne5 19. Ne2 Ba6 20. Rf2
Qxe4 21. Rxf7 Rxf7 22. Bxf7+ Nxf7 23. Qxe4 Kf8 24. Qxc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Silvio Eduardo"]
[Black "Supi, Luis Paulo"]
[Result "0-1"]
[ECO "B66"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Be7 9. h4 Nxd4 10. Qxd4 h6 11. Bxf6 Bxf6 12. Qxd6 Qxd6 13. Rxd6 Bd7 14.
f4 g5 15. hxg5 hxg5 16. Rxh8+ Bxh8 17. g3 Ke7 $146 ({RR} 17... Bg7 18. e5 Bc6
19. b4 gxf4 20. gxf4 Bh6 21. Rd4 Rd8 22. Rc4 Bf3 23. a4 b5 24. axb5 axb5 25.
Rc5 Bxf4+ 26. Kb2 Be3 27. Bxb5+ Kf8 28. Rc4 Bd4 29. Bc6 Bxc6 30. Rxc6 Bxe5 31.
Kb3 Ke7 32. Ne4 {Rubes,J (2345)-Stocek,J (2563) Ostrava CZE 2019 1/2-1/2 (48)})
18. Rd1 gxf4 19. gxf4 Rg8 20. Bd3 Bd4 21. Kb1 Be3 22. f5 Bc6 23. a3 Kf6 24. Re1
Rg1 25. Rxg1 Bxg1 26. fxe6 fxe6 27. Ne2 Ba7 28. c4 Ke5 29. Nc3 Bd4 30. Kc2 a5
31. b4 b6 32. Kd2 Bf2 33. Nd1 Bg1 34. Nc3 Bd4 35. Kc2 Be3 36. Nd1 Ba4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Oliveira, Yuri Garcia"]
[Black "Marra, Eduardo"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Ne7 5. d3 c6 6. e4 O-O ({RR} 6... d6 7.
Nge2 a6 8. Be3 b5 9. cxb5 axb5 10. a3 O-O 11. d4 Nd7 12. d5 b4 13. axb4 Rxa1
14. Qxa1 cxd5 15. Nxd5 Nxd5 16. exd5 f5 17. O-O g5 18. f3 f4 19. Ba7 Bb7 {
1/2-1/2 (19) Leisch,L (2378)-Kosakowski,J (2476) Vrnjacka Banja SRB 2023}) 7.
Nge2 Na6 ({RR} 7... a6 8. O-O b5 9. f4 bxc4 10. dxc4 d6 11. Be3 a5 12. c5 exf4
13. gxf4 dxc5 14. Bxc5 Qc7 15. Kh1 Rd8 16. Qb3 Be6 17. Qa3 Nc8 18. f5 Bc4 19.
f6 Bf8 20. Bxf8 Rxf8 21. Qc5 Bxe2 22. Qg5 {Edouard,R (2548)-Dardha,D (2609)
Cap d'Agde FRA 2022 0-1 (34)}) 8. O-O Nc7 9. Be3 $146 ({RR} 9. f4 d5 10. fxe5
dxc4 11. dxc4 Bxe5 12. Bf4 Bxf4 13. gxf4 Ne6 14. Qxd8 Rxd8 15. Rad1 Bd7 16. e5
Nc5 17. b4 Na6 18. b5 Nc5 19. bxc6 bxc6 20. Nd4 Rac8 21. Bf3 Bh3 22. Rfe1 Rd7
23. Kf2 Rb7 {Funke,D (2209)-Wolf,W (2284) Wuerttemberg 1999 1-0 (34)}) 9... f5
10. Bg5 Ne6 11. Bxe7 Qxe7 12. exf5 gxf5 13. f4 d6 14. Qd2 Qe8 15. Rab1 a5 16.
b3 Qh5 17. Bf3 Qh6 18. Qc1 exf4 19. Nxf4 Nxf4 20. gxf4 Bd7 21. Ne2 Rf6 22. d4
Re8 23. Qd2 Qh4 24. Qe1 Rg6+ 25. Kh1 Qxe1 26. Rbxe1 Rge6 27. d5 Re3 28. dxc6
Bxc6 29. Bxc6 bxc6 30. Rf2 Kf7 31. Rd1 Rxe2 32. Rxe2 Rxe2 33. Rxd6 Re6 34. Rd7+
Re7 35. Rd6 Rc7 36. Kg2 Ke7 37. Rd3 Rd7 38. Re3+ Kf7 39. a3 Rd2+ 40. Kg3 Rc2
41. Rd3 Rc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Olivo, Anibal"]
[Black "Lopes, Wendell"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
Na5 9. Bc2 Bg4 10. h3 Bh5 11. d3 c5 12. Nbd2 Nc6 13. Nf1 b4 $146 ({RR} 13...
Bg6 14. g4 O-O 15. Qe2 h5 16. Nh4 hxg4 17. hxg4 Nh7 18. Nf5 Bxf5 19. gxf5 Bg5
20. Ng3 g6 21. Kg2 Kg7 22. Rh1 Rh8 23. Qg4 Bxc1 24. Raxc1 Ne7 25. f4 exf4 26.
Qxf4 Ng8 27. Rcf1 g5 28. f6+ {Sterk,K-Von Balla,Z Budapest 1911 1-0 (32)}) 14.
Ba4 Rc8 15. Ng3 O-O 16. Nxh5 Nxh5 17. Nh2 Bg5 18. Qxh5 Bxc1 19. Raxc1 Ne7 20.
cxb4 cxb4 21. Qh4 Ng6 22. Qxd8 Rfxd8 23. Nf3 Nf4 24. Rxc8 Rxc8 25. Rd1 f6 26.
d4 g5 27. dxe5 dxe5 28. Kh2 Kg7 29. g3 Ne6 30. Bd7 Rd8 31. Ba4 Rxd1 32. Bxd1
Nc5 33. Bc2 a5 34. Nd2 a4 35. f3 Kf7 36. Nc4 Ke7 37. h4 Ke6 38. hxg5 fxg5 39.
Kh3 h6 40. Kg4 b3 41. axb3 axb3 42. Bd1 Kf6 43. Kh5 Kg7 44. Nxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Panazzolo, Paulo"]
[Black "Andrade, Dalson Holanda"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Be7 9. Kh1 O-O 10. f4 Qc7 11. f5 Bc4 12. g4 d5 13. g5 Nxe4 14. Nxe4 dxe4 15. f6
Bxe2 ({RR} 15... Rd8 16. Qe1 Bf8 17. fxg7 Bxg7 18. Be3 Bxe2 19. Qxe2 Nc6 20. c3
Na5 21. Nd2 Rac8 22. Qf2 Nc4 23. Nxe4 Qc6 24. Qf3 Rd3 25. Rae1 Rcd8 26. Kg1
Rxe3 27. Rxe3 Nxe3 28. Qxe3 Qd5 29. b3 Qd3 30. Re1 {Belov,A (2421)-Begunov,K 
(2325) chess.com INT 2023 1-0 (63)}) 16. Qxe2 Bd8 17. fxg7 Kxg7 18. Qh5 $146 ({
RR} 18. Be3 Nc6 19. Qh5 Kg8 20. c3 Ne7 21. Rad1 Ng6 22. Nc5 Nf4 23. Qh6 Qc6 24.
Nd7 Qxh6 25. gxh6 Re8 26. Rxf4 {1-0 (26) Barua,D (2520)-Sharma,D (2320)
Muzaffapur 1998}) 18... Qc6 19. Be3 Qg6 20. Qh4 Kh8 21. Nc5 Nc6 22. Nxe4 Nd4
23. Bxd4 exd4 24. Nf6 Bb6 25. Rf3 Rfc8 26. Rh3 Kg7 27. Qf4 Rh8 28. Qe5 Qxc2 29.
Nxh7+ Kg8 30. Nf6+ Kg7 31. Ne8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Paniago, Lucio"]
[Black "Santiago, Mauro"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. cxd5 exd5 7. Nf3 h6 8.
Bh4 O-O 9. h3 c6 10. Bd3 Re8 11. Qc2 Bb4 ({RR} 11... Ne4) ({RR} 11... Ne4 12.
Bxe7 Qxe7 13. O-O Nf8 14. Ne5 Nd6 15. b4 Qg5 16. b5 Rxe5 17. dxe5 Qxe5 18. bxc6
bxc6 19. Ne2 Ne6 20. Qxc6 Bb7 21. Qc3 Qh5 22. Nd4 Ng5 23. Qc7 Nge4 24. Bxe4 Ba6
25. Bf3 {1-0 (25) Ortin Blanco,I (2047)-Ochoa Aldaz,M (1704) Pamplona 2016})
12. g4 $146 ({RR} 12. O-O Bd6 13. Ne2 Nf8 14. Rab1 g5 15. Bg3 Nh5 16. Bxd6 Qxd6
17. g4 Ng7 18. Ng3 h5 19. Nf5 Bxf5 20. Bxf5 Qf6 21. Ne5 Qh6 22. Kg2 f6 23. Nf3
Nxf5 24. Qxf5 hxg4 25. hxg4 Qg6 26. b4 a6 {Murzin,L (2403)-Pulnikov,S
Togliatti 2001 1-0 (56)}) 12... Qb6 13. g5 hxg5 14. Bxg5 Ne4 15. h4 Nf8 16. Ke2
Bxc3 17. bxc3 Bg4 18. Rag1 f5 19. Rxg4 fxg4 20. Ne5 Rxe5 21. dxe5 Nd7 22. Bxe4
dxe4 23. Rb1 Qa6+ 24. Ke1 Nc5 25. Be7 Nd3+ 26. Kd1 Nxe5 27. Qb3+ Qc4 28. Qxc4+
Nxc4 29. Rxb7 a5 30. Rd7 Rb8 31. Rd8+ Rxd8+ 32. Bxd8 Kf7 33. Bc7 Ke6 34. Kc2 a4
35. Bg3 Kd5 36. Bf4 g6 37. Bg3 Na3+ 38. Kd2 Kc4 39. Be5 Nb5 40. Kc2 Kd5 41. Bg3
Na3+ 42. Kd2 Nc4+ 43. Kc2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Peixoto, Rudson"]
[Black "Ferreira, Andrei"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 d5 7. O-O Bc5 ({
RR} 7... Qc7 8. c4 dxe4 9. Bxe4 f5 10. Bf4 Qb6 11. Bf3 Nf6 12. Nc3 Be7 13. c5
Qxc5 14. Be3 Qc4 15. Rc1 O-O 16. Nd5 Qxf1+ 17. Qxf1 cxd5 18. Bd4 Bd7 19. Qa6
Rfc8 20. Rxc8+ Rxc8 21. g3 Rc4 22. Be5 {Alekseenko,K (2499)-Baghdasaryan,V 
(2372) Yerevan 2015 1-0 (33)}) ({RR} 7... Bd6 8. Qf3 Ne7 9. Re1 Ng6 10. Nc3 O-O
11. Qh5 d4 12. e5 dxc3 13. exd6 Qxd6 14. bxc3 Qd5 15. Qe2 Bb7 16. c4 Qd4 17.
Rb1 Rab8 18. Be3 Qh4 19. Bxa7 Nf4 20. Qe4 f5 21. Qf3 Nxd3 22. cxd3 {Novikov,E 
(2276)-Liu,K (1974) chess.com INT 2023 1-0}) 8. Nc3 a5 $146 ({RR} 8... d4 9.
Na4 Bd6 10. f4 e5 11. fxe5 Bxe5 12. Qh5 Qe7 13. Bc4 Be6 14. Bxe6 Qxe6 15. Nc5
Qe7 16. Nd3 Bc7 17. e5 Qe6 18. Bd2 Ne7 19. Nf4 Qxe5 20. Qg4 O-O 21. Rae1 Qd6
22. Nh5 Qxh2+ 23. Kf2 {Braun,G-Bartholomeyzik,T Leimen 2001 0-1 (37)}) 9. exd5
cxd5 10. Re1 h6 11. Bb5+ Kf8 12. Nxd5 Bb7 13. Be3 Bxe3 14. Nxe3 Nf6 15. Qxd8+
Rxd8 16. Rad1 Ke7 17. f3 Rc8 18. Nf5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Peres, Wallafe"]
[Black "Rosa, Diego"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. b4 Nf6 2. b5 ({RR} 2. a3 g6 3. Bb2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. g3 b6 7. Bg2
Bb7 8. O-O Nbd7 9. Nh4 Bxg2 10. Nxg2 c5 11. e4 Nxe4 12. Nxe4 Bxb2 13. Ra2 Bg7
14. bxc5 Nxc5 15. Nxc5 dxc5 16. d3 Qd5 {chessjoka (2410)-Rego,V (2442) lichess.
org 2021 1-0 (42)}) ({RR} 2. e3 e6 3. a3 b6 4. Nf3 Bb7 5. Bd3 d5 6. O-O Be7 7.
c3 Nbd7 8. Bc2 O-O 9. d4 Rc8 10. Nbd2 c5 11. Re1 cxd4 12. cxd4 Qc7 13. Bd3 Ne4
14. Bxe4 dxe4 15. Ne5 Nxe5 16. dxe5 Qxe5 {Teruel,R-Shukair,S lichess.org INT
2022 0-1 (34)}) 2... e5 $146 ({RR} 2... g6 3. Bb2 Bg7 4. c4 O-O 5. e3 e6 6. Ne2
c6 7. a4 d5 8. Nf4 Qc7 9. Qc1 cxb5 10. axb5 dxc4 11. Bxc4 Nbd7 12. Nxe6 Qd6 13.
Nxf8 Nxf8 14. Be2 Bd7 15. Nc3 Rc8 16. Qd1 Ne6 17. O-O {Moreth,A (1694)-Lamping,
P (1602) Massbach 2001 1-0 (55)}) 3. Bb2 d6 4. c4 Be7 5. Nf3 O-O 6. Nc3 Nbd7 7.
g3 Nc5 8. Bg2 Be6 9. d3 Qd7 10. Qc2 Bh3 11. Bxh3 Qxh3 12. O-O-O c6 13. d4 Qh6+
14. Kb1 exd4 15. Rxd4 Rad8 16. Rg1 Ne6 17. Rh4 Qg6 18. e4 Nc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Pessoa, Marcio"]
[Black "Santos, Wenesley"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. c3 Nf6 5. d3 Be7 6. Nbd2 ({RR} 6. O-O O-O 7.
Bb3 b6 8. Re1 Bb7 9. Nbd2 Nc6 10. Nf1 b5 11. Ng3 b4 12. d4 bxc3 13. bxc3 d5 14.
e5 Ne4 15. Bc2 Nxg3 16. hxg3 cxd4 17. cxd4 Ba6 18. Bb1 Rc8 19. Qc2 g6 20. Qd2
Bb4 {Ulybin,M (2583)-Pogorelov,R (2445) Mondariz 2000 1-0 (36)}) ({RR} 6. O-O
O-O 7. Bg5 d5 8. exd5 exd5 9. Bb3 Bg4 10. Nbd2 Nc6 11. Bc2 h6 12. Bh4 d4 13. h3
Bh5 14. Re1 Re8 15. Bb3 dxc3 16. bxc3 Qxd3 17. Rc1 Rad8 18. Bc2 Qd5 19. Bb3 Qf5
20. Bc2 Qd7 {Drevet,P-Courjal,P (1942) Europe-Echecs INT 2022 0-1}) 6... O-O 7.
Bb3 Nc6 $146 ({RR} 7... b6 8. O-O Bb7 9. Re1 Qc7 10. Nf1 Nbd7 11. Ng3 Rfe8 12.
Bf4 Nf8 13. Rc1 Ng6 14. Bg5 h6 15. Bd2 Rac8 16. d4 cxd4 17. cxd4 Qb8 18. h4 Qa8
19. h5 Nf8 20. Bc2 Rc6 21. Bc3 Rec8 22. Qd2 {Kandic,M (1961)-Lazarevic,Z (1859)
Podgorica MNE 2020 1-0 (43)}) 8. Nf1 Qc7 9. Ng3 b5 10. Bg5 Nd7 11. Bf4 a5 12.
Qd2 Bf6 13. Nh5 Be7 14. Bh6 Nf6 15. Nxg7 Ng4 16. Nh5 Re8 17. h3 Nge5 18. Bg5
Ng6 19. Nf6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Piccoli, Lucas"]
[Black "Leite, Coraci"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. g3 Bb4 5. Nge2 Ne7 ({RR} 5... f5 6. Bg2 Nf6 7.
d3 fxe4 8. O-O Nc6 9. dxe4 O-O 10. h3 Ne5 11. b3 Bc5 12. Nd4 Qe8 13. Bf4 d6 14.
Be3 Qg6 15. Nxe6 Bxe3 16. Nxf8 Qxg3 17. Ne2 Nf3+ {0-1 (17) Smejkal,J (2505)
-Kavalek,L (2525) Ceska Trebova 1997}) ({RR} 5... f5 6. Bg2 Nf6 7. d3 O-O 8.
O-O fxe4 9. dxe4 e5 10. h3 a5 11. Be3 d6 12. b3 Bc5 13. Qd2 Bxe3 14. Qxe3 c5
15. f4 Nc6 16. fxe5 dxe5 17. Nd5 Nd4 18. Rac1 Bc6 19. Qd3 Ra7 20. Nxd4 {
Campos,M (2209)-Spata,G (2356) Perez, Santa Fe ARG 2023 1/2-1/2 (31)}) 6. Bg2
O-O 7. O-O e5 $146 ({RR} 7... d5 8. exd5 exd5 9. Nf4 c6 10. cxd5 cxd5 11. Qb3
Nbc6 12. Ncxd5 Nxd5 13. Qxd5 Bd6 14. d3 Rc8 15. Be3 Bxf4 16. Qxd8 Rfxd8 17.
Bxf4 Na5 18. Bh3 Rc2 19. b4 Nc6 20. Bg2 Ba6 21. a3 Nd4 22. Kh1 {Papp,L (2394)
-Czebe,A (2389) Budapest HUN 2021 1/2-1/2 (31)}) 8. d4 Ng6 9. Nd5 Bd6 10. f4
exd4 11. Nxd4 Ne7 12. e5 Bxd5 13. exd6 Bxg2 14. dxe7 Qxe7 15. Kxg2 c5 16. Nf3
Nc6 17. Bd2 Rad8 18. Re1 Qf6 19. Bc3 Qf5 20. Qd5 Qc2+ 21. Qd2 Qf5 22. Nh4 Qh5
23. Qd5 Qxd5+ 24. cxd5 Nb8 25. Nf5 f6 26. Re7 Rf7 27. Rae1 Na6 28. Rxf7 Kxf7
29. Re7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Pinheiro, Pedro"]
[Black "Fogaca, Vinicius"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 a6 6. Be2 ({RR} 6. Bxc6+ bxc6
7. Ne5 Bd7 8. c4 Nf6 9. Nc3 dxc4 10. O-O e6 11. Qf3 Rc8 12. Bg5 Be7 13. Rad1
O-O 14. Na4 Nd5 15. Bxe7 Qxe7 16. Nc5 Be8 17. Nxc4 f6 18. Qa3 Bf7 19. Rfe1 Ra8
20. h3 Rfe8 {Karjakin,S (2753)-Praggnanandhaa,R (2530) Kolkata IND 2018 0-1 
(71)}) ({RR} 6. Bd3 Bg4 7. c3 e6 8. O-O Nf6 9. Re1 Be7 10. Nbd2 O-O 11. h3 Bh5
12. Nf1 Rc8 13. Bf4 Bg6 14. Ne5 Nxe5 15. Bxe5 Ne4 16. Qe2 Rc6 17. Nd2 Nxd2 18.
Bxg6 hxg6 19. Qxd2 Qa5 20. g3 b5 {Pang,A (1986)-Badev,K (2113) chess.com INT
2022 1/2-1/2 (59)}) 6... Nf6 7. O-O Bg4 $146 ({RR} 7... Bf5 8. a3 e6 9. Bg5 Bd6
10. Nbd2 h6 11. Bxf6 Qxf6 12. Nb3 Be4 13. c3 h5 14. Nbd2 h4 15. Qa4 Qf4 16. Bb5
Rc8 17. Bxc6+ Rxc6 18. Rfe1 f6 19. Re3 b5 20. Qd1 g5 21. Qe1 g4 22. Nxe4 {
Blonk,H-Potthammel,J Baden 1996 1-0}) 8. Bg5 e6 9. Nbd2 Be7 10. c4 dxc4 11.
Nxc4 O-O 12. Qd3 Bxf3 13. Bxf3 Nb4 14. Qd2 Nbd5 15. Bxd5 Nxd5 16. Bxe7 Qxe7 17.
Rac1 Rac8 18. Ne3 Qd7 19. Rc2 Rxc2 20. Qxc2 Rc8 21. Qd2 Qc6 22. Nxd5 Qxd5 23.
Rc1 Rxc1+ 24. Qxc1 g6 25. a3 Kg7 26. Qc3 Kf6 27. f3 Ke7 28. Qc7+ Qd7 29. Qxd7+
Kxd7 30. Kf2 Kd6 31. Ke3 Kd5 32. Kd3 b6 33. b3 h5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Quintiliano, Renato"]
[Black "Aranha Filho, Alvaro"]
[Result "1/2-1/2"]
[ECO "D37"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 Nxd5 8.
Nxd5 Qxd5 9. Bd3 Qa5+ 10. Ke2 c5 11. a3 Ba6 12. b4 Bxd3+ 13. Qxd3 Qa4 14. Rhc1
Nd7 15. Bg5 f6 16. Bf4 Rfc8 $146 ({RR} 16... Rfe8 17. Bg3 Rac8 18. Qc4 Nf8 19.
bxc5 Qxc4+ 20. Rxc4 bxc5 21. Rac1 Nd7 22. Ra4 Ra8 23. Ra6 Kf7 24. Nd2 Rec8 25.
Ne4 e5 26. dxe5 fxe5 27. Nd2 Rc7 28. Nc4 Bf6 29. f4 Nb8 30. Ra5 exf4 31. Bxf4 {
Shishkin,V (2541)-Kosanovic,G (2414) Arad 2006 1-0 (34)}) 17. Qe4 Nf8 18. Qb7
Qd7 19. Qxd7 Nxd7 20. b5 Kf7 21. a4 cxd4 22. exd4 Rxc1 23. Rxc1 a6 24. Rc7 Ke8
25. Rc6 axb5 26. axb5 Kf7 27. Rc7 Ke8 28. Rc6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Ribeiro, Matheus D"]
[Black "Silva, Guilherme H"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 f5 3. Nf3 d6 4. g3 Nf6 5. Bg2 Be7 6. O-O Nc6 7. d3 O-O 8. Rb1
a5 9. a3 Qe8 10. b4 axb4 11. axb4 h6 ({RR} 11... Kh8 12. b5 Nd8 13. Nd5 Nxd5
14. cxd5 Bd7 15. b6 c5 16. Nd2 f4 17. Ne4 Qh5 18. f3 Qf7 19. Qb3 Ra4 20. Bd2 h5
21. Ra1 Rxa1 22. Rxa1 Nc6 23. Bc3 Nd4 24. Bxd4 exd4 25. Ra7 Bc6 26. Bh3 {
Zwardon,V (2498)-Klekowski,M (2477) Poland POL 2023 1/2-1/2 (47)}) 12. b5 Nd8
13. b6 $146 ({RR} 13. c5 e4 14. cxd6 Bxd6 15. Nd4 Kh8 16. e3 Nf7 17. Qc2 exd3
18. Qxd3 Ne5 19. Qe2 Qf7 20. Bb2 Nc4 21. Ra1 Rxa1 22. Rxa1 Nxb2 23. Qxb2 Be5
24. Qb4 Ne4 25. Rf1 Bd6 26. Qb2 Re8 27. Rc1 Nc5 {Srinivasa Rao,M (2142)-Khalid,
A (1753) New Delhi IND 2022 1-0 (38)}) 13... c5 14. Nb5 Ne6 15. e3 g5 16. d4
cxd4 17. exd4 e4 18. Nd2 Bd7 19. d5 Bxb5 20. Rxb5 Nc5 21. Nb3 Nxb3 22. Qxb3 Kh7
23. f3 exf3 24. Qxf3 Nd7 25. Bb2 Bd8 26. Bd4 Ne5 27. Qe2 Bf6 28. Kh1 Ng4 29.
Qxe8 Raxe8 30. Bg1 Kg6 31. c5 dxc5 32. Rxc5 Be5 33. Rc7 Rb8 34. Bc5 Rfd8 35.
Re1 Re8 36. h3 Bxc7 37. Rxe8 Nf6 38. Re6 Bd8 39. d6 Kf7 40. Re1 Nd7 41. Bd5+
Kf8 42. Bb4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Rocha, Jean Henrique"]
[Black "Carvalho, Vitor Augusto"]
[Result "0-1"]
[ECO "D75"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O d5 5. c4 O-O 6. cxd5 Nxd5 7. Nc3 c5 8. d4
Nxc3 9. bxc3 Nc6 10. e3 Qa5 11. Bd2 Qc7 ({RR} 11... Bf5 12. Qb3 Be4 13. Rfd1 b6
14. Rac1 Qa6 15. Bf1 {1/2-1/2 (15) Teske,H (2510)-Mikhalchishin,A (2505) Bern
1996}) ({RR} 11... Rd8 12. Qe2 b6 13. d5 Rxd5 14. c4 Rxd2 15. Nxd2 Bb7 16. Nb3
Qc3 17. Rac1 Qf6 18. Rfd1 h5 19. h4 Qe6 20. Bd5 Qc8 21. Qf3 e6 22. Be4 f5 23.
Bxc6 Bxc6 24. Qf4 Qb7 25. Rd6 Bh1 26. f3 {Carrasco Miranda,A (2240)-Eisa
Mohmood,A (1095) chess.com INT 2023 0-1 (39)}) 12. Re1 $146 ({RR} 12. Qc2 Na5
13. Rfc1 Rd8 14. Be1 Be6 15. Ng5 Bc4 16. Ne4 b6 17. Nd2 Bd5 18. Bxd5 Rxd5 19.
f4 Rdd8 20. Bf2 Rac8 21. Qb2 Qd7 22. Nf3 Qa4 23. e4 Rc7 24. dxc5 Qxe4 25. Ng5
Qc6 26. cxb6 Rb7 {Doss,J (2236)-Shulman,Y (2630) Dallas 2000 0-1 (39)}) 12...
Rd8 13. Bc1 Qa5 14. Bb2 Be6 15. h3 Rac8 16. Qd2 Bc4 17. Red1 e6 18. Qc2 cxd4
19. exd4 Bd5 20. Rd2 Bxf3 21. Bxf3 Nxd4 22. Qe4 Nxf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Rocha, Vitor Firmo"]
[Black "Gazineu Neto, Rubens"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. c3 f5 12. exf5 Bxf5 13. Nc2 O-O 14. Nce3
Be6 15. Bd3 f5 16. Qh5 e4 17. Bc2 Ne7 18. Rd1 Nxd5 19. Nxd5 Be5 20. O-O Ra7 ({
RR} 20... Bxd5 21. Rxd5 Qe8 22. Qh3 Kh8 23. f4 exf3 24. Bxf5 Ra7 25. Rxf3 Rg7
26. Rd1 a5 27. Rdf1 Qa8 28. Qh5 Rfg8 29. Kh1 Qe8 30. Qh3 Qe7 31. Be6 Re8 32.
Bd5 Qd8 33. a3 Qb8 34. Qh5 Rd8 35. Rf5 {Calcado,A (2088)-Rosa,G (1837) Caiobá/
Matinhos - Paraná - 2022 1-0 (40)}) 21. f4 Bg7 22. Bb3 $146 ({RR} 22. g4 Qc8
23. Kh1 Qa8 24. Ne3 Qc6 25. gxf5 Bf7 26. Qg5 Kh8 27. f6 Bc4 28. fxg7+ Rxg7 29.
Qh6 Bxf1 30. Rxf1 Qc5 31. f5 d5 32. Rd1 Rd8 33. Bb3 d4 34. cxd4 Qf8 35. Qf4 a5
36. Qe5 a4 {Haugstad,E (2042)-Mundaca Alvarez,J (2184) Gibraltar 2008 1-0 (37)}
) 22... Kh8 23. Kh1 a5 24. Ne3 Qe7 25. Bxe6 Qxe6 26. Rd5 b4 27. Rfd1 Ra6 28.
Nxf5 bxc3 29. Nxg7 Kxg7 30. bxc3 a4 31. Qe2 Rb6 32. Qc4 Rfb8 33. Rg5+ Kf7 34.
Rg7+ Kf6 35. Qd4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Rodrigues, Edgar"]
[Black "Nemeth Jr, Henrique"]
[Result "1-0"]
[ECO "E48"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 c6 8.
O-O Re8 9. Ng3 Nbd7 10. a3 Bd6 ({RR} 10... Bf8 11. b4 a5 12. b5 c5 13. a4 b6
14. Qf3 Bb7 15. Bb2 Qc7 16. Rac1 Rac8 17. Nf5 g6 18. Ng3 Bg7 19. Rfd1 Qd6 20.
Bb1 cxd4 21. exd4 Qb4 22. Ba1 Rc7 23. Na2 Qd6 24. Rxc7 Qxc7 25. Rc1 {Krutko,A 
(2397)-Gedajlovic,M (2436) chess.com INT 2023 0-1 (47)}) 11. Nf5 Bc7 12. b4 a6
$146 ({RR} 12... Nf8 13. Bb2 Ng6 14. b5 Bxf5 15. Bxf5 Qd6 16. g3 Rab8 17. a4
Ne4 18. Nxe4 dxe4 19. bxc6 bxc6 20. Ba3 Qf6 21. Qg4 Ne7 22. Bxe4 Nd5 23. Qf5
Qh6 24. Bxd5 cxd5 25. Qxd5 Rb6 26. Rab1 Rbe6 27. Rb7 {De Leo,A-Vukanovic,S 
(2350) Dos Hermanas 2004 1/2-1/2 (64)}) 13. f4 Ne4 14. Nxe4 dxe4 15. Bb1 Nf6
16. Ng3 Bg4 17. Qe1 h5 18. h3 Bd7 19. Bd2 h4 20. Ne2 Nh5 21. Qf2 Qf6 22. Rc1
Bd8 23. Rc5 Bf5 24. Ba2 Qg6 25. Kh2 Be7 26. Re5 Bf6 27. Rc5 Be7 28. Rc2 Rad8
29. Rg1 Qh6 30. Be1 Kf8 31. Qf1 g5 32. fxg5 Bd6+ 33. Kh1 Qxg5 34. Bxh4 Qxh4 35.
Qxf5 Re7 36. g3 Ng7 37. Qf1 Qh7 38. Nf4 Nf5 39. Re2 Ke8 40. g4 Ng7 41. Rf2 Kd7
42. d5 c5 43. bxc5 Bxc5 44. d6 Kxd6 45. Nd5 Ne6 46. Rf5 Rc8 47. Qg2 Rh8 48.
Qh2+ Kc6 49. Nxe7+ Bxe7 50. Rc1+ Kb6 51. Qb2+ Ka7 52. Rh5 Bxa3 53. Qxa3 Qg7 54.
Bxe6 Rxh5 55. gxh5 Qg3 56. Qc5+ Kb8 57. Bg4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Romais, Rodrigo"]
[Black "Pomar, Marcelo"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be3 d6 8. Qd2
Nf6 9. f3 Be7 ({RR} 9... Nbd7 10. g4 Nb6 11. a4 Nc4 12. Bxc4 bxc4 13. Nde2 Be7
14. Rd1 O-O 15. Ng3 Nd7 16. O-O Qc7 17. f4 Rab8 18. g5 Rfe8 19. f5 Bf8 20. g6
hxg6 21. fxg6 fxg6 22. Bd4 Ne5 23. Bxe5 dxe5 24. Qg5 {Apicella,M (2519)-Eliet,
N (2434) Asnieres sur Seine 2006 1/2-1/2 (41)}) 10. Bd3 Nbd7 11. Nb3 $146 ({RR
} 11. O-O-O Qc7 12. g4 Ne5 13. Kb1 Nfd7 14. Be2 Nb6 15. Bf2 Nbc4 16. Bxc4 Nxc4
17. Qd3 Rc8 18. Ka2 Nxa3 19. bxa3 Qxc3 20. Qxc3 Rxc3 21. Kb2 Rc4 22. Nb3 Bf6+
23. Kb1 Ke7 24. h4 Rhc8 25. Rd2 Bc3 {Poreba,W (1384)-Rudzinska,M (1369)
Walbrzych 2013 0-1 (43)}) 11... Qc7 12. O-O-O O-O 13. g4 Ne5 14. Be2 Nc4 15.
Bxc4 bxc4 16. Nd4 Rab8 17. h4 Ba8 18. h5 Qb7 19. b3 d5 20. b4 e5 21. exd5 exd4
22. Bxd4 Nxd5 23. Bxg7 Nxb4 24. Qh6 Na2+ 25. Nxa2 Qb1+ 26. Kd2 Rfd8+ 27. Ke2
Qxc2+ 28. Ke3 Rxd1 29. Rxd1 Qxd1 30. Be5 Bc5+ 31. Kf4 Qxf3+ 32. Kg5 Be3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Santanna, Paulo"]
[Black "Almeida Jr, Alvaro"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 c5 6. Bg2 d5 7. cxd5 Nxd5 8.
Bxg7 Kxg7 9. O-O Bf5 ({RR} 9... Nf6 10. Nc3 Nc6 11. Na4 Qd6 12. Rc1 b6 13. d4
cxd4 14. Rxc6 Qxc6 15. Ne1 Qc7 16. Bxa8 e5 17. Bg2 Ba6 18. Nf3 Rc8 19. Re1 Qe7
20. Qb1 Rd8 21. Nd2 Qb4 22. Ne4 Nd5 23. Qc1 f5 24. Ng5 {Keymer,V (2717)
-Vaibhav,S (2588) chess.com INT 2023 1-0 (36)}) ({RR} 9... Nf6 10. Qc2 Na6 11.
Nc3 Rb8 12. Rfd1 Nb4 13. Qb2 Nc6 14. Ne4 b6 15. d4 cxd4 16. Nxd4 Nxd4 17. Rxd4
Qe8 18. Rc1 Bb7 19. Nxf6 exf6 20. Rc7 Bxg2 21. Kxg2 a5 22. Rd6 Qe4+ 23. f3 Qe5
24. Qxe5 {Karjakin,S (2747)-Assaubayeva,B (2440) Krasnogorsk RUS 2023 1/2-1/2 
(59)}) 10. Nh4 $146 ({RR} 10. Qc1 Qb6 11. Nc3 Nxc3 12. Qxc3+ Kg8 13. Rfc1 Nd7
14. Qe3 Qf6 15. Nh4 Rab8 16. Nxf5 Qxf5 17. Rc4 b6 18. Rac1 e5 19. Rh4 Nf6 20.
Bh3 Nd5 21. Qh6 {1-0 (21) Gauche,C (2275)-Alves,S (1534) Curitiba 2010}) 10...
Be6 11. Qc1 Nc6 12. Qxc5 Rc8 13. Nc3 b6 14. Qa3 Nd4 15. Qb2 Kg8 16. Rfe1 Nb4
17. Rac1 b5 18. Nf3 Bf5 19. Nxd4 Qxd4 20. a3 Nc6 21. e3 Qd7 22. d4 Na5 23. e4
Bg4 24. d5 a6 25. Ne2 Rxc1 26. Rxc1 Rc8 27. Rxc8+ Qxc8 28. Nd4 Bd1 29. e5 Bxb3
30. Nc6 Nxc6 31. dxc6 Be6 32. Qd4 Qc7 33. Qc5 Kg7 34. h4 h5 35. Kh2 Kf8 36. Qb4
Qxe5 37. Qa5 Ke8 38. Qxa6 Kd8 39. Qb6+ Kc8 40. f4 Qb8 41. Qc5 Kd8 42. Bf1 Bc4
43. Bxc4 bxc4 44. Qxc4 Qb2+ 45. Kh3 Qxa3 46. Qxf7 Qf3 47. Qf8+ Kc7 48. Qxe7+
Kxc6 49. Qe6+ Kc7 50. Qe5+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Santiago, Yago"]
[Black "Abrantes, Tiago Garrido"]
[Result "1-0"]
[ECO "D90"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 cxd5 7. Bf4 Nc6 8. e3
a6 9. Qb3 Na5 10. Qa3 Bf5 11. Ne5 Rc8 12. Be2 h5 13. Qb4 $146 ({RR} 13. O-O Ng4
14. Rac1 O-O 15. Rfd1 e6 16. Nf3 Re8 17. Bd6 b5 18. Nxb5 Rxc1 19. Rxc1 axb5 20.
Bc7 Nc4 21. Rxc4 Bf8 22. Qa5 Qa8 23. Rc1 Qxa5 24. Bxa5 b4 25. Nd2 Ra8 26. Nb3
Be7 27. g3 Nf6 {Livaic,L (2532)-Popovics,A (2375) Hungary HUN 2022 1/2-1/2 (56)
}) 13... Ne4 14. Nxe4 Bxe4 15. O-O f6 16. Nf3 Rc2 17. Rfe1 b5 18. Rac1 Nc6 19.
Qa3 Rxc1 20. Rxc1 Qb6 21. Nd2 Bf5 22. Bf3 Be6 23. Qc3 Nd8 24. Bc7 Qb7 25. Bxd8
Kxd8 26. Qa5+ Ke8 27. Rc7 Qb8 28. Nb3 Qd8 29. Qb6 Kf7 30. Nc5 Bc8 31. Qc6 Re8
32. Bxd5+ Kf8 33. Ne6+ Bxe6 34. Qxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Santos, Jarlison"]
[Black "Paludo, Nicolas"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Bc4 d6 7. c3 ({RR} 7.
O-O Nf6 8. f3 O-O 9. Qd2 a6 10. Nxc6 bxc6 11. Nc3 c5 12. e5 Ne8 13. Bd5 Rb8 14.
f4 Bb7 15. e6 Bxd5 16. Qxd5 fxe6 17. Qxe6+ Kh8 18. Nd5 Rb7 19. Rab1 Nc7 20.
Qxe7 Nxd5 21. Qxb7 Nxe3 {Wooten,M-Kahuure,M lichess.org INT 2021 0-1}) 7... Nf6
8. f3 O-O 9. O-O a6 $146 ({RR} 9... Nxd4 10. cxd4 a6 11. Nc3 b5 12. Bb3 Be6 13.
Bxe6 fxe6 14. Qb3 Qd7 15. a4 Rab8 16. axb5 axb5 17. Ra5 Rb7 18. Rfa1 Rfb8 19.
Ra8 Kf7 20. R1a5 Rxa8 21. Rxa8 b4 22. Ne2 Qb5 23. Nf4 d5 24. Nd3 {
Hadzikasimovic,Z-Janjic,J Neum 2002 1-0 (77)}) 10. Qd2 Re8 11. Na3 Qc7 12. Rac1
Bd7 13. b4 Rac8 14. Bb3 b5 15. c4 Nxd4 16. Bxd4 Qb7 17. Rfd1 Be6 18. cxb5 Bxb3
19. axb3 axb5 20. Qd3 Rxc1 21. Rxc1 Rb8 22. h3 h5 23. Kh1 Bh6 24. Ra1 Bg7 25.
Nc2 Ne8 26. Ra7 Qc6 27. Bxg7 Kxg7 28. Rxe7 Rc8 29. Ne3 Nf6 30. Qd4 Qc3 31. Qxc3
Rxc3 32. Nd5 Nxd5 33. exd5 Rxb3 34. Rd7 Rxb4 35. Rxd6 Rd4 36. Rd7 Kf6 37. d6
Ke6 38. Rb7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Santos, Marcus Vinicius"]
[Black "Pereira, Geanfrancesco"]
[Result "1/2-1/2"]
[ECO "E73"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Na6 8. g4 Nc5
9. f3 a5 10. Nh3 ({RR} 10. h4 h5 11. g5 Nfd7 12. Qd2 f6 13. O-O-O fxg5 14. hxg5
a4 15. Kb1 Rf7 16. Nh3 Qe7 17. Nf2 Nb8 18. Nb5 Nba6 19. Rdg1 Bd7 20. Nd1 Raf8
21. Ndc3 Bc8 22. Rf1 Qd8 23. Bd1 c6 24. Na3 Qa5 {Sarana,A (2668)-Jones,G (2623)
chess.com INT 2022 1-0 (64)}) ({RR} 10. h4 h5 11. g5 Nfd7 12. Qd2 Na6 13. Nh3
Ndc5 14. Nf2 Nb4 15. Bxc5 dxc5 16. a3 Na6 17. O-O-O Kh7 18. Kb1 Nb8 19. Qe3 Nd7
20. Bd3 Qe7 21. Na4 Rd8 22. Bc2 Bf8 23. Nd3 Rb8 24. Nc3 Nb6 {Grozdanovic,A 
(1952)-Maksimovic,B (2127) Dimitrovgrad BUL 2023 0-1 (61)}) 10... h5 11. Nf2
Qe8 $146 ({RR} 11... hxg4 12. fxg4 Nh7 13. h4 f5 14. h5 f4 15. Bxc5 dxc5 16.
hxg6 Ng5 17. Bf3 Rf6 18. Qe2 Rxg6 19. O-O-O Nf7 20. Rh5 Nd6 21. Rdh1 Bd7 22.
Nd3 Nxc4 23. Nxf4 exf4 24. Qxc4 b5 25. Qxc5 Qf8 26. Qxc7 {Golubev,M (2461)
-Zenin,D (2163) chess.com INT 2022 1-0}) 12. Qd2 Bd7 13. O-O-O Qb8 14. Rdg1 Re8
15. Bg5 hxg4 16. Bxf6 Bxf6 17. Nxg4 Bxg4 18. Rxg4 Kg7 19. h4 Rh8 20. h5 Kf8 21.
h6 Rh7 22. Rg2 a4 23. Kb1 Qd8 24. Bd1 Qe7 25. Bc2 a3 26. b3 c6 27. Rd1 Rd8 28.
Ka1 Qc7 29. Nb1 cxd5 30. cxd5 Ra8 31. Rh1 Qb6 32. Qc3 Na6 33. Nd2 Nb4 34. Kb1
Ke7 35. Nc4 Qc5 36. Qe3 Qxe3 37. Nxe3 Kd7 38. Bd1 Bd8 39. Be2 Bb6 40. Nc4
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Santos, Matheus Garcett"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8.
Be3 O-O 9. O-O Bd7 10. f4 Nxd4 11. Bxd4 Bc6 12. Qd3 b5 13. e5 ({RR} 13. Rae1 b4
14. Nd1 Qd7 15. c4 e5 16. Bf2 exf4 17. Bd4 Qg4 18. Nf2 Qg6 19. Qf3 Nd7 20. Nd3
Bf6 21. Bxf6 Nxf6 22. Nxf4 Qg5 23. Nd3 Rae8 24. Qf4 Qxf4 25. Rxf4 Bxe4 26. Nxb4
a5 27. Nc2 Bxc2 {Karthik,V (2504)-Martin Carmona,G (2362) Roquetas de Mar ESP
2022 1/2-1/2 (34)}) 13... dxe5 14. fxe5 Nd7 15. Nxb5 $146 ({RR} 15. Qe3 Qc7 16.
Ne2 Nb6 17. Nf4 Nd5 18. Bxd5 Bxd5 19. Nxd5 exd5 20. c3 a5 21. Rf5 Ra6 22. Raf1
g6 23. Qh6 Re6 24. Rf6 Rxe5 25. Bxe5 Qxe5 26. R6f3 Bc5+ 27. Kh1 d4 28. Rh3 Qg7
29. Qxg7+ Kxg7 {Prelevic,D (2328)-Adzic,M (2238) Petrovac 2004 1/2-1/2 (35)}) (
{RR} 15. Ne4 Bxe4 16. Qxe4 Nc5 17. Qe3 Nxb3 18. axb3 a5 19. Bb6 Qd5 20. Kh1 a4
21. c4 Qc6 22. bxa4 Rxa4 23. c5 Re4 24. Qf3 f5 25. exf6 Rxf6 26. Qg3 h5 27.
Rxf6 Bxf6 28. Qd6 Qd5 29. Qxd5 exd5 {Christiansen,L (2563)-Yermolinsky,A (2596)
Seattle 2000 1/2-1/2 (34)}) 15... Nc5 16. Qe3 Nxb3 17. axb3 Qd5 18. Rf2 Qxb5
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Sekula, Markley"]
[Black "Farias, Igor"]
[Result "1-0"]
[ECO "B82"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qc7 8. g4
b5 9. g5 b4 ({RR} 9... Nfd7 10. a3 Nc6 11. Nxc6 Qxc6 12. h4 g6 13. h5 Bg7 14.
Bd2 Bb7 15. O-O-O Rc8 16. Rh3 Nc5 17. Bg2 gxh5 18. Qe2 Qb6 19. f5 Be5 20. Qxh5
exf5 21. Rf1 b4 22. axb4 Qxb4 23. Rxf5 Rf8 24. Qh4 {KomodoDragon 3.2 (3569)
-SlowChess Blitz 2.9 avx2 (3455) tcec-chess.com INT 2023 1-0 (62)}) 10. gxf6
bxc3 11. fxg7 $146 ({RR} 11. b3 Nd7 12. fxg7 Bxg7 13. Be3 Bb7 14. Bf2 O-O-O 15.
Rg1 Rhg8 16. b4 Bh6 17. Rxg8 Rxg8 18. b5 Nc5 19. bxa6 Bxe4 20. Qe3 Bd5 21. Nb5
Qb6 22. Rb1 Qxa6 23. Qxc3 Bg7 24. Qb4 Kd7 25. Nxd6 Qxd6 {Almasi,Z (2340)
-Nisipeanu,L Baile Herculane 1991 1-0}) 11... Bxg7 12. bxc3 Bb7 13. Bd2 Nc6 14.
Qd3 Rc8 15. Rg1 Bf6 16. Rb1 Ke7 17. Nf3 Na5 18. c4 Ba8 19. e5 dxe5 20. Qa3+ Ke8
21. Bxa5 Qc6 22. Nd2 exf4 23. Bg2 Qd7 24. Bxa8 Rxa8 25. Qf3 Rc8 26. Qxf4 Bd4
27. Rg3 Rc6 28. Rb8+ Ke7 29. Bb4+ Rc5 30. Qg5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Setti, Eduardo"]
[Black "Nascimento, Christian"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 e6 7. Nc3 Bb4 8.
Bd2 Qd8 9. Bb5 Nge7 10. a3 Ba5 11. O-O O-O 12. Bg5 f6 $146 ({RR} 12... h6 13.
Bxc6 hxg5 14. Nxg5 f6 15. Bxb7 Bxb7 16. Nxe6 Qd6 17. Nxf8 Kxf8 18. Qh5 Bb6 19.
Rad1 Rd8 20. Rfe1 Qf4 21. Re2 Rxd4 22. Qh8+ Ng8 23. Rde1 Rd8 24. Qh5 Ne7 25.
Kh1 Rd7 26. Qh8+ Kf7 27. Qh3 {Rocha,M (2174)-Flores,M (2013) Managua 2013 1-0 
(57)}) 13. Bf4 Bb6 14. Qb3 Bxd4 15. Rad1 Kh8 16. Ne2 e5 17. Nxe5 fxe5 18. Bxe5
Nxe5 19. Nxd4 Qb6 20. Rfe1 N7c6 21. Qd5 Bg4 22. Be2 Bxe2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Silva, Afranio Marcio"]
[Black "Nunes, Gustavo Morais"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. a3 Bxc3+ 8.
bxc3 Nxe4 9. Bb2 Qb6 10. Qe2 Qxb2 11. Qxe4 Qxa1+ 12. Kd2 d5 $146 ({RR} 12...
O-O 13. Bd3 f5 14. Qd5+ Kh8 15. Rxa1 e4 16. Ng5 exd3 17. Nf7+ Kg8 18. Nh6+ Kh8
19. Nxf5 dxc2 20. Kxc2 d6 21. Nxd6 Ne7 22. Qe5 Bf5+ 23. Kb3 Nc6 24. Qd5 Bg6 25.
Qc5 Rf6 26. Nxb7 Rb8 27. Qb5 {Reklai,R (1345)-Gonzales,D (1622) Tumon GUM 2019
0-1 (36)}) 13. Qe3 O-O 14. h4 Bg4 15. h5 Bxf3 16. gxf3 d4 17. Qg5 Qxc3+ 18. Kc1
Qxf3 19. Rg1 Qf4+ 20. Qxf4 exf4 21. Rg4 Rfe8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Silva, Alex Castro"]
[Black "Carmo, Jose Arlindo"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 {Boensch,U} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7.
O-O e6 8. Bb3 Nc5 9. f4 Nfxe4 ({RR} 9... Be7 10. e5 ({RR} 10. Be3 Qc7 11. e5
dxe5 12. fxe5 Qxe5 13. Nf5 Ng4 14. Nd6+ Qxd6 15. Qxg4 O-O 16. Bh6 Qe5 17. Rae1
f5) 10... dxe5 11. fxe5 Nxb3 12. axb3 Bc5 13. Be3 Nd5 14. Bf2 Nxc3 15. bxc3 Qc7
) 10. Nxe4 Nxe4 11. f5 e5 12. Qf3 ({RR} 12. Qh5 Qe7 ({RR} 12... d5 13. Re1 Bc5
({RR} 13... exd4 14. Rxe4+ Be7 15. f6 gxf6 16. Bxd5 Rf8 17. Bh6) 14. Rxe4 Bxd4+
({RR} 14... O-O 15. Rg4 ({RR} 15. Rh4 Bxf5) 15... Bxd4+ 16. Kh1 Kh8) 15. Be3 ({
RR} 15. Rxd4 Qb6 ({RR} 15... exd4 16. Bg5 Qa5 ({RR} 16... Qd7 17. Re1+ Kf8 18.
f6) 17. Qe2+ Kd7 18. Qe7+ Kc6 19. Qxf7) 16. c3 exd4 ({RR} 16... O-O 17. Be3
exd4 18. Bxd4) 17. Qe2+ Kf8 18. Qf2 Qf6 19. cxd4 Qxf5) 15... O-O 16. Rxd4 exd4
17. Bxd4 f6 18. Bc5 ({RR} 18. Qf3) 18... Re8) 13. Qf3 Nc5 ({RR} 13... exd4 14.
Re1) 14. Nc6 ({RR} 14. f6 gxf6 15. Nc6 Qc7 16. Qxf6 Nxb3 17. axb3 ({RR} 17.
Qxh8 Nxc1) 17... Rg8 18. Nd8 Bh3) ({RR} 14. Ne2) 14... Qc7 15. Bd5 ({RR} 15.
Nb4 Nxb3 16. Qxb3 b5 17. Nd5 Qc6 18. f6 Bb7) 15... a5 ({RR} 15... Bd7 16. Nb4
Be7 ({RR} 16... Qb6 17. Bxf7+ Kxf7 18. Nd5 Qc6 19. Qh5+ Kg8 20. f6) 17. Bc4 ({
RR} 17. Bxf7+ Kxf7 18. Nd5 ({RR} 18. Qh5+ Kg8 19. f6 Bxf6 20. Rxf6 gxf6 21. Nd5
Qd8) 18... Qd8 19. Qh5+ Kg8) 17... Bc6 18. Nd5 Bxd5 19. Bxd5) 16. Bg5 ({RR} 16.
Be3 Ra6 17. Nd4 exd4 18. Bxd4) 16... Ra6 ({RR} 16... Bd7 17. Ne7 ({RR} 17. Nd4
f6 18. Qh5+ Kd8 19. Ne6+ Nxe6 20. fxe6 Qc5+) ({RR} 17. f6 g6 18. Ne7 Ne6) 17...
f6 ({RR} 17... Bxe7 18. Bxe7 Qb6 ({RR} 18... Kxe7 19. f6+ Kd8 20. fxg7 Re8 21.
Bxf7) 19. f6 g6 20. Kh1) 18. Qh5+ Kxe7 ({RR} 18... Kd8 19. Ng6 Be8 20. Be3) 19.
Bxf6+ gxf6 ({RR} 19... Kxf6 20. Qh4+ g5 21. fxg6+ Kg7 22. Rf7+) 20. Qf7+ Kd8
21. Qxf6+ Kc8 22. Qxh8 Qd8 23. f6 {RR} Bh6 24. Qxh7 Be3+ 25. Kh1) 17. Nd8 f6
18. Nf7 Rg8 19. Be3 g6 20. Ng5 ({RR} 20. Nxe5 dxe5 21. Bxg8 Bxf5) 20... Rg7 ({
RR} 20... fxg5 21. f6 Rh8 22. f7+ Kd8 23. Bxg5+ Be7 24. f8=R+ Rxf8 25. Qxf8+
Kd7 26. Qxe7#) 21. fxg6 Rxg6 ({RR} 21... hxg6 22. Qxf6 Qe7 23. Bf7+ ({RR} 23.
Qf2) 23... Kd8 24. Bc4 Qxf6 25. Rxf6 Ke7 ({RR} 25... Be7 26. Rf7) 26. Raf1 Bf5
27. Rxf8 Kxf8 28. Bxa6 Nxa6 29. g4) 22. Bf7+ Qxf7 23. Nxf7 Kxf7 24. Bxc5 dxc5
25. Rad1 Be7 26. Rd5 Bg4 {Topalov,V (2700)-Kasparov,G (2775) Amsterdam 1996
CBM 052 [Boensch,U] 1-0 (66)} ({RR} 26... Re6 27. Qe4 b6 28. Rxe5 Bb7 29. Rxe6
Bxe4 30. Rxe4) {RR} 27. Qb3 Be6 28. Qxb7 Bxd5 29. Qxd5+ Re6 30. Qa8) ({RR} 12.
Ne6) ({RR} 12. Qh5 Qc7 13. Ne6 Qe7 14. Bg5 Nxg5 15. Nxg5 d5 16. Rae1 Bd7 17.
Bxd5 Qc5+ 18. Kh1 Qxd5 19. Rd1 g6 20. fxg6 fxg6 21. Rxd5 gxh5 22. Rxe5+ Kd8 23.
Nf7+ Kc7 24. Nxh8 Bd6 25. Rd5 Be6 26. Rxd6 Kxd6 {Putnam,L (2196)-Perez Ponsa,F
(2537) chess.com INT 2022 0-1 (52)}) 12... Nf6 13. Re1 $146 ({RR} 13. Ne2 Qb6+
14. Be3 Qc6 15. Nc3 Qxf3 16. Rxf3 Bd7 17. Nd5 Nxd5 18. Bxd5 Bc6 19. c4 Bxd5 20.
cxd5 Be7 21. Rc1 Kd7 22. Rg3 Bf6 23. Bb6 Rac8 24. Rgc3 Rxc3 25. Rxc3 Rc8 26.
Rxc8 Kxc8 27. Kf2 Bd8 {Cannesar,R (1754)-Trubchaninov,T (1937) Prague 2012 1/
2-1/2 (41)}) 13... Be7 14. Ne2 d5 15. Nc3 e4 16. Qd1 Bb4 17. Bg5 Bxc3 18. bxc3
Bxf5 19. Rf1 Be6 20. Qd4 Qe7 21. Rxf6 Qd7 22. Rf2 O-O 23. c4 dxc4 24. Qxd7 Bxd7
25. Bxc4 Rae8 26. Raf1 Be6 27. Bxe6 Rxe6 28. Be3 Rc6 29. Bd4 f6 30. c3 b5 31.
Rf4 Re6 32. Kf2 Rd8 33. Ke3 Kf7 34. g4 Kg6 35. h4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Silva, Anjossendre"]
[Black "Cardoso, Lucca"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "167"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. f4 Bg7 5. Nf3 c5 6. Be2 O-O 7. O-O Nc6 8. d3
Bg4 ({RR} 8... a6 9. Qe1 Rb8 10. Qh4 e6 11. f5 exf5 12. Bg5 h6 13. Bxh6 Bxh6
14. Qxh6 Ng4 15. Qf4 Kg7 16. Nd5 Nge5 17. exf5 Bxf5 18. Nh4 Be6 19. Nf6 Rh8 20.
Rae1 Nd4 21. Qg3 Nxe2+ 22. Rxe2 Rh6 23. Nf3 {Milov,V (2595)-Dimitrijevic,A 
(2227) FIDE.com 2002 1-0 (36)}) 9. Be3 Bxf3 10. Bxf3 Nd4 $146 ({RR} 10... Ne8
11. g4 Nd4 12. f5 e6 13. Kh1 Be5 14. Rg1 Kh8 15. Rg2 Qh4 16. Qf1 Rg8 17. fxe6
fxe6 18. Bxd4 Bxd4 19. Nd1 Rf8 20. Qe2 Ng7 21. Nf2 Qf6 {0-1 (21) Wolff,C (1840)
-Nascimento,P (1965) Brasilia 2017}) 11. Kh1 Nd7 12. Rc1 a6 13. a4 e6 14. e5
Nxf3 15. Qxf3 dxe5 16. Qxb7 Rb8 17. Qxa6 Rxb2 18. Nb5 Qa8 19. Qxa8 Rxa8 20.
fxe5 Bxe5 21. d4 cxd4 22. Nxd4 Rxa4 23. Nf3 Re2 24. Bg1 Bc7 25. c5 Raa2 26. Rb1
Reb2 27. Rxb2 Rxb2 28. Ra1 Rb8 29. Ra7 Rc8 30. g3 Kf8 31. Kg2 Ke8 32. Be3 f6
33. Kf2 Bb8 34. Ra5 Ne5 35. Nxe5 Bxe5 36. Ra7 Rc7 37. Ra6 Kd7 38. Kf3 Bc3 39.
Rb6 Be5 40. Ke4 Rc6 41. Rb7+ Bc7 42. Ra7 Kc8 43. Kd4 Kb8 44. Ra2 Kb7 45. Rb2+
Kc8 46. Ra2 Be5+ 47. Kc4 Kb7 48. Kb5 Bb8 49. Rd2 Kc7 50. Rf2 e5 51. Kc4 Ra6 52.
Kd5 Rc6 53. Ra2 h5 54. Ra8 f5 55. Rxb8 Ra6 56. Rb3 Ra2 57. Kxe5 Rxh2 58. Kf6 h4
59. gxh4 Rxh4 60. Kxg6 f4 61. Kg5 Rh1 62. Bxf4+ Kc6 63. Bd6 Rf1 64. Rb4 Rf2 65.
Rf4 Rc2 66. Kf5 Kd5 67. Kf6 Re2 68. Rf5+ Kc6 69. Re5 Rg2 70. Kf7 Rg4 71. Ke8
Rg8+ 72. Bf8 Rg6 73. Ke7 Rg2 74. Kd8 Rg6 75. Re1 Rg8 76. Re6+ Kd5 77. Rf6 Ke5
78. Ke7 Rg2 79. c6 Rc2 80. Rh6 Rc4 81. Kd7 Rd4+ 82. Bd6+ Kd5 83. c7 Rg4 84.
c8=Q 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Silva, Erick"]
[Black "Timossi, Lucas Jose"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O cxd4 8. Nxd4
Nc6 9. Be3 Nd7 10. Rc1 a6 ({RR} 10... a5 11. Na4 Nxd4 12. Bxd4 Bh6 13. Rc3 b6
14. Rh3 Bf4 15. Bg4 e6 16. Be3 Bxe3 17. Rxe3 Nc5 18. Nc3 Bb7 19. Bf3 Qe7 20. b3
{1/2-1/2 (20) Morovic Fernandez,I (2535)-Milos,G (2530) Buenos Aires 1990}) ({
RR} 10... Nxd4 11. Bxd4 Nc5 12. f4 a5 13. b3 b6 14. Bf3 Rb8 15. Kh1 Bb7 16. f5
Bh6 17. Rb1 Bg7 18. Bxg7 Kxg7 19. Qd4+ Kg8 20. Qf2 Nd3 21. Qg3 Ne5 22. Ne2 a4
23. Nf4 axb3 24. axb3 Bc6 25. fxg6 {Albor Rebolledo,A (1646)-Hernandez Diaz,P 
(1329) lichess.org INT 2021 0-1 (70)}) 11. Nd5 $146 ({RR} 11. Nxc6 bxc6 12. b4
f5 13. exf5 Rxf5 14. Bg4 Rf8 15. f4 Nf6 16. Bxc8 Qxc8 17. a4 Qe6 18. Qd3 Ng4
19. Bd4 Bxd4+ 20. Qxd4 Qe3+ 21. Qxe3 Nxe3 22. Rfe1 Nxc4 23. Rxe7 Rxf4 24. Ne2
Rf6 25. Rxc4 d5 {Kirincic,M (1855)-Gradiser,D (1934) Croatia 2011 1-0 (37)})
11... Nc5 12. f3 Ne6 13. Nxe6 Bxe6 14. Nb6 Rb8 15. Qd2 Qc7 16. b4 f5 17. Nd5
Bxd5 18. cxd5 Qd7 19. dxc6 bxc6 20. Bxa6 Ra8 21. Bd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Silva, Kaua Marques"]
[Black "Soares, Renan"]
[Result "1/2-1/2"]
[ECO "B86"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. e4 c5 2. Ne2 d6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 e6 7. Be3 Be7 8.
Bb3 O-O 9. Qe2 Qc7 ({RR} 9... Nbd7 10. Rd1 Qa5 11. Bd2 Qb6 12. Be3 Nc5 13. O-O
Qc7 14. f3 b5 15. Qf2 Bd7 16. g4 b4 17. Nce2 a5 18. g5 Nh5 19. Qh4 g6 20. Ng3
Nxg3 21. hxg3 a4 22. Bc4 e5 23. Qh6 Ne6 24. Nf5 {Frolov,D (2428)-Najer,E (2572)
Samara 2000 1-0}) 10. h4 $146 ({RR} 10. O-O-O b5 11. a3 Bb7 12. f3 Nbd7 13. g4
Ne5 14. g5 Nfd7 15. f4 Nc4 16. Ndxb5 axb5 17. Nxb5 Qc6 18. Bxc4 Rfc8 19. Bd3
Nc5 20. Bxc5 Qxc5 21. Rhg1 d5 22. e5 Ba6 23. Rg3 Rab8 24. Nd6 Bxd3 {Donnely,
B-Barriera,F Siegen 1970 1-0 (40)}) ({RR} 10. O-O-O b5 11. f3 b4 12. Na4 Bd7
13. g4 Qa5 14. Nb6 Qxb6 15. Nxe6 Qa5 16. Nxf8 Bxf8 17. g5 Nh5 18. f4 g6 19. f5
Nc6 20. Rhf1 Ne5 21. Rd5 Qc7 22. fxg6 hxg6 23. Rxe5 dxe5 24. Rxf7 Kh8 {
Aldokhin,I (2413)-Begunov,K (2325) chess.com INT 2023 1/2-1/2 (37)}) 10... b5
11. a3 Nc6 12. h5 Nxd4 13. Bxd4 e5 14. Be3 Be6 15. g4 Bxg4 16. f3 Be6 17. Qg2
Kh8 18. f4 Bxb3 19. cxb3 d5 20. exd5 exf4 21. h6 Rg8 22. d6 Qxd6 23. hxg7+ Rxg7
24. Qxa8+ Rg8 25. Qf3 fxe3 26. Rd1 Qe5 27. Rd3 Rg3 28. Qe2 Ng4 29. Rd5 Qf4 30.
Rdh5 h6 31. Rf1 Nf2 32. Qc2 Bg5 33. Ne2 Qg4 34. Nxg3 Qxg3 35. Rxf2 exf2+ 36.
Qxf2 Qe5+ 37. Qe2 Qg3+ 38. Kf1 Qf4+ 39. Kg2 Kg7 40. Rh3 Qd6 41. Qd3 Qc6+ 42.
Rf3 Qe6 43. Qf5 Qe2+ 44. Rf2 Qe7 45. Kf1 Qc7 46. Ke2 Qe7+ 47. Kd3 Qe3+ 48. Kc2
Qc1+ 49. Kd3 Qe3+ 50. Kc2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Soares, Joao Carlos"]
[Black "Arruda Filho, Ivo"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. d4 c6 2. c4 d5 3. Nc3 e6 4. e3 Nf6 5. Nf3 Bd6 6. Bd3 Nbd7 7. O-O O-O 8. b3
Re8 9. Bb2 Nf8 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Ng6 13. Qc2 f5 14. Bd3 Nf4
15. Rad1 $146 ({RR} 15. g3 Nxd3 16. Qxd3 b6 17. Rfe1 Bb7 18. Rac1 c5 19. d5
exd5 20. cxd5 Qd7 21. Rxe8+ Rxe8 22. Rd1 h6 23. Nh4 Be5 24. Bxe5 Rxe5 25. Ng6
Re4 26. h4 Rd4 27. Qf3 Rxd1+ 28. Qxd1 Qd6 29. h5 Kf7 {Bojovic,M (1778)
-Radojkovic,S (1928) Kragujevac 2016 1-0 (34)}) 15... Qf6 16. Rfe1 Qg6 17. Bf1
Bd7 18. Kh1 Rad8 19. Qc1 Qh5 20. Ba3 Bc7 21. Bb4 h6 22. Bd2 g5 23. Ne5 Bxe5 24.
dxe5 Bc8 25. Bxf4 Rxd1 26. Rxd1 gxf4 27. f3 Qh4 28. Kg1 Rd8 29. Rxd8+ Qxd8 30.
Qxf4 Qb6+ 31. Kh1 Qf2 32. Qg3+ Qxg3 33. hxg3 c5 34. Kg1 Kf7 35. Kf2 Kg6 36. Ke3
Kg5 37. Be2 Bd7 38. f4+ Kg6 39. g4 fxg4 40. Bxg4 b6 41. Bf3 Kf5 42. g4+ Kg6 43.
Be4+ Kf7 44. f5 h5 45. fxe6+ Bxe6 46. gxh5 Kg7 47. Kf4 a6 48. Kg5 Bd7 49. Bg6
b5 50. h6+ Kh8 51. Bf5 Bc6 52. a3 a5 53. cxb5 Bxb5 54. a4 Bc6 55. Be6 Kh7 56.
Bc4 Be8 57. Bd3+ Kg8 58. Kf6 Bh5 59. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Sopko, Cassio Roberto"]
[Black "Pironti, Francisco"]
[Result "1/2-1/2"]
[ECO "E17"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. c4 Bb7 8. Nc3
dxc4 9. bxc4 c5 10. dxc5 $146 ({RR} 10. e3 cxd4 11. exd4 Nc6 12. Bf4 Bd6 13.
Ne5 Na5 14. Bxb7 Nxb7 15. Qf3 Na5 16. Rfd1 Qe7 17. Rac1 Rac8 18. Nb5 Bb8 19.
Qe2 Rfd8 20. Nc3 h6 21. f3 Bxe5 22. dxe5 Qc5+ 23. Kg2 Nh5 24. Rxd8+ Rxd8 {
Jirka,J-Voracek,M Hradec Kralove 1997 1-0 (39)}) ({RR} 10. d5 exd5 11. Nh4 Ne8
12. Nf5 Bf6 13. Nxd5 Bxd5 14. Bxd5 Nc6 15. Rb1 Rc8 16. Bf4 Nd4 17. Nxd4 cxd4
18. e3 g5 19. Qg4 Kh8 20. Be4 Ng7 21. Qh3 h5 22. Bb7 Rc5 23. exd4 Bxd4 24. Bc1
g4 {Grandelius,N (2651)-Kovalev,V (2648) chess.com INT 2020 1-0 (34)}) ({RR} 
10. d5 exd5 11. Nh4 Nc6 12. cxd5 Nb4 13. d6 Bxg2 14. dxe7 Qxe7 15. Kxg2 Rfd8
16. Qb3 a5 17. a3 a4 18. Nxa4 Nbd5 19. Nc3 Nxc3 20. Qxc3 Qxe2 21. Qf3 Qe5 22.
Bf4 Qb2 23. Bg5 {1-0 (23) Svane,R (2620)-Bornholdt,J (2283) chess.com INT 2023}
) 10... Bxc5 11. Bg5 h6 12. Qxd8 Rxd8 13. Bxf6 gxf6 14. Na4 Be7 15. Rfd1 Nc6
16. Rab1 Na5 17. c5 bxc5 18. Rdc1 Ba6 19. Nxc5 Bxe2 20. Nd4 Rac8 21. Ncxe6 fxe6
22. Nxe2 Rxc1+ 23. Rxc1 Rd2 24. Nf4 Kf7 25. Bf3 f5 26. Rc7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Souza, Rafael Cabral"]
[Black "Costa, Kerginaldo"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. g4 Qc7 ({RR} 6... b5 7.
Bg2 Bb7 8. O-O Ne7 9. f4 Nbc6 10. Be3 Nxd4 11. Qxd4 Nc6 12. Qd2 Be7 13. Rad1
Rc8 14. Qf2 Bh4 15. Qe2 Na5 16. g5 Nc4 17. Bd4 e5 18. Bxe5 Bxg5 19. Bxg7 Rg8
20. Bd4 Bf6 21. Bxf6 {Jakovenko,D (2737)-Morozevich,A (2787) Moscow 2008 0-1 
(57)}) 7. Bg2 ({RR} 7. Be3 b5 8. Bg2 Bb7 9. Qe2 Nd7 10. O-O Ne5 11. a4 b4 12.
Na2 Nf6 13. f3 h6 14. c3 d5 15. cxb4 dxe4 16. Rac1 Qd7 17. Rfd1 Bd6 18. Nc3 O-O
19. g5 hxg5 20. Bxg5 Nd3 21. Rc2 Be5 {Yildirim,K (1735)-Tsarouhas,K (2133)
Larnaka CYP 2021 0-1}) 7... Bd7 $146 ({RR} 7... Nc6 8. O-O Nxd4 9. Qxd4 Ne7 10.
f4 Nc6 11. Qf2 Be7 12. a4 Rb8 13. g5 b5 14. axb5 {1/2-1/2 (14) Vazquez Reyes,R
(2258)-Berrios Echevarria,G (2200) Bayamon 2013}) 8. O-O Nc6 9. Re1 Nge7 10.
Ndb5 axb5 11. Nxb5 Qb6 12. Nxd6+ Kd8 13. Nxf7+ Ke8 14. Nxh8 g6 15. Be3 Qxb2 16.
Nf7 Kxf7 17. Qxd7 Rd8 18. Qc7 Rc8 19. Qb6 Qxc2 20. Rec1 Qe2 21. g5 Bg7 22. Re1
Qc2 23. Rac1 Qxa2 24. Qxb7 Rb8 25. Qc7 Be5 26. Qd7 Rd8 27. Qb7 Rb8 28. Qd7 Rd8
29. Qb7 Rb8 30. Qd7 Rd8 31. Qb7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Sovinski, Marcos Roberto"]
[Black "Pereira, Mateus Oliveira"]
[Result "1/2-1/2"]
[ECO "B94"]
[PlyCount "110"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Bxf6 Qxf6 8.
Nd5 Qd8 9. Nf3 ({RR} 9. Nf5 Be6 10. Nfe3 Nd7 11. Bc4 Rc8 12. Bb3 Nc5 13. Qf3
Be7 14. O-O O-O 15. Nf5 Bg5 16. Rad1 Nxb3 17. Qxb3 g6 18. Nfe3 Bxe3 19. fxe3 b5
20. c3 Rc4 21. Nf6+ Kg7 22. Qa3 Ra4 23. Qxd6 Qxd6 {Supi,L (2572)-Sarana,A 
(2640) chess.com INT 2020 1/2-1/2 (67)}) ({RR} 9. Nf5 Bxf5 10. exf5 Be7 11. g3
Nc6 12. Bg2 O-O 13. O-O Rc8 14. c3 Re8 15. Qf3 f6 16. Rad1 Kh8 17. g4 Bf8 18.
Rfe1 Qa5 19. a3 b5 20. Qh3 Ne7 21. Be4 Nxd5 22. Bxd5 Rc7 23. Re3 Qa4 {Daurelle,
H (2183)-Noir,M (1890) Europe-Echecs INT 2021 1-0}) 9... Be6 10. Bc4 b5 $146 ({
RR} 10... Nd7 11. O-O Rc8 12. Qe2 b5 13. Bb3 Nc5 14. Rad1 g5 15. Qe3 h6 16. g3
Bg7 17. Rd2 O-O 18. Rfd1 Nxb3 19. axb3 Rc6 20. Nb4 Rb6 21. Qc3 Qd7 22. Qe3 Qc7
23. Rd3 Rc8 24. Rc3 Qd8 25. Rxc8 {Da Silva,I (1824)-Marques,D (1539) Natal
2017 1-0}) 11. Bb3 Be7 12. O-O Nd7 13. Rc1 O-O 14. Re1 Nf6 15. Nxf6+ Bxf6 16.
Bxe6 fxe6 17. c3 d5 18. exd5 exd5 19. Nxe5 Qd6 20. Ng4 Rad8 21. Nxf6+ Qxf6 22.
Re2 d4 23. Qb3+ Kh8 24. cxd4 Qxd4 25. h3 h6 26. Qc3 b4 27. Qxd4 Rxd4 28. Rec2
Rf6 29. Rc6 Rxc6 30. Rxc6 Rd1+ 31. Kh2 Rd2 32. Rxa6 Rxf2 33. b3 Rd2 34. Ra4 Kh7
35. Rxb4 Rxa2 36. Rc4 Rb2 37. Rc3 h5 38. h4 Kh6 39. Kh3 g5 40. hxg5+ Kxg5 41.
g3 Rb1 42. Kg2 Kg4 43. Rc4+ Kg5 44. b4 Rb2+ 45. Kh3 Rb3 46. Rc5+ Kg6 47. b5 Rb1
48. Kg2 Rb2+ 49. Kh3 Rb1 50. Rc6+ Kg5 51. b6 Rh1+ 52. Kg2 Rb1 53. Kf3 Rb3+ 54.
Kg2 Rb2+ 55. Kf3 Rb3+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Teixeira, Jonas"]
[Black "Rocha, Matheus Eugenio"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bb5+ Bd7 6. Be2 Bf5 7. O-O Nc6 8.
c3 Qc7 ({RR} 8... e6 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bf4 Be7 12. Nd2 g5 13. Nf3 h5
14. Nd4 gxf4 15. Nxf5 exf5 16. Bxh5 Qc7 17. e6 Ne5 18. Bxf7+ Nxf7 19. exf7+ Kf8
20. Qxd5 f3 21. g3 Rd8 22. Qxf3 f4 23. Rfe1 {YagoSantiago (2578)-Berardino 
(2476) lichess.org 2021 0-1 (58)}) ({RR} 8... e6 9. Bg5 Be7 10. Nbd2 h6 11. Bh4
O-O 12. Re1 a6 13. Bxf6 Bxf6 14. a4 Qb6 15. Qb3 Qc7 16. Qd1 Na5 17. b4 Nc6 18.
Nb3 a5 19. b5 Ne7 20. Rc1 b6 21. h3 Rac8 22. Bd3 Bxd3 23. Qxd3 {Principe,G 
(2158)-Wagh,S (2210) chess.com INT 2023 0-1}) 9. Nh4 $146 ({RR} 9. Qa4 e6 10.
h3 Bd6 11. Nbd2 h6 12. Re1 O-O 13. Nf1 Ne4 14. N3d2 a6 15. Nxe4 Bxe4 16. Nd2 b5
17. Qd1 Bf5 18. a3 Nxd4 19. Bd3 Bxd3 20. cxd4 Rac8 21. Nf3 Be4 22. Ne5 Bxe5 23.
dxe5 Qc2 {Bartha,S (2140)-Oltean,G (2122) Hungary 2008 1/2-1/2 (55)}) 9... Bg6
10. f4 e6 11. Nf3 Bd6 12. Ne5 O-O 13. Nd2 Rab8 14. a4 a6 15. Ndf3 Be4 16. Bd3
Ne7 17. Ng5 h6 18. Nxe4 Nxe4 19. Bxe4 dxe4 20. Qg4 f5 21. Qh5 Nd5 22. Bd2 Nf6
23. Qe2 b5 24. axb5 axb5 25. Ra2 b4 26. Rfa1 bxc3 27. bxc3 Rb7 28. h3 Rfb8 29.
Qe1 Rb2 30. Qc1 Rxa2 31. Rxa2 Qb7 32. c4 Qb1 33. Qxb1 Rxb1+ 34. Kf2 Rb3 35. Be3
Bxe5 36. dxe5 Nd7 37. Rc2 Nb8 38. c5 Nc6 39. Ke2 Kf7 40. Rd2 Rc3 41. g4 g5 42.
gxf5 exf5 43. e6+ Ke7 44. fxg5 hxg5 45. Bxg5+ Ke8 46. h4 Rxc5 47. Ke3 Rc3+ 48.
Kf4 Rf3# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Toth, Peter"]
[Black "Lima, Vinicius Taishun"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "89"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 d6 5. Bxf6 exf6 6. e3 a6 7. a4 b4 8. a5 g6
9. Nbd2 f5 10. Nc4 Nd7 ({RR} 10... Bg7 11. Ra2 O-O 12. g3 Ra7 13. Bg2 Re7 14.
O-O Qc7 15. Qd3 Nd7 16. Nfd2 h5 17. h4 Nf6 18. Nb6 Bb7 19. c3 bxc3 20. bxc3
Rfe8 21. Rb1 Ng4 22. Nbc4 Qd8 23. Rb6 Rd7 24. Nxd6 Rxd6 25. Rxb7 {Duda,J (2731)
-Mamedyarov,S (2747) chess24.com INT 2022 1-0 (35)}) 11. Be2 Qc7 12. O-O Bg7
13. Nfd2 $146 ({RR} 13. Re1 O-O 14. Qd3 Bb7 15. Ra2 Rad8 16. Qd2 Rfe8 17. Rd1
Re7 18. Qe1 Rde8 19. g3 Bh6 20. c3 Nf6 21. cxb4 Bxd5 22. b3 Qc6 23. Rad2 cxb4
24. Nd4 Qc5 25. Nc2 Bxc4 26. Bxc4 d5 27. Bxa6 Ne4 {Usachyi,M (2195)-Kersten,U 
(2366) Bad Zwesten 2000 0-1 (43)}) 13... Nf6 14. Nb6 Ra7 15. Ndc4 Bd7 16. Re1
O-O 17. Bf3 Re8 18. g3 Bb5 19. Bg2 Qd8 20. Rc1 h5 21. c3 bxc3 22. bxc3 Ne4 23.
Bxe4 fxe4 24. Re2 Rb7 25. Ra2 Qe7 26. Kg2 Reb8 27. Qc2 Bxc4 28. Nxc4 Rb3 29.
Rb2 Rxb2 30. Nxb2 Qe5 31. Qd2 Rb3 32. Nc4 Qf6 33. Qe2 Qf3+ 34. Qxf3 exf3+ 35.
Kxf3 Rxc3 36. Rxc3 Bxc3 37. Ke2 Kf8 38. Kd3 Be1 39. Ke2 Bb4 40. e4 Ke7 41. f4
f6 42. Kf3 g5 43. f5 Bc3 44. g4 h4 45. h3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Trevisan, Rodrigo"]
[Black "Lima da Silva, Fabio"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "134"]
[EventDate "2021.??.??"]

1. c4 c6 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 b5 ({RR} 5... Na6 6. Bg2 Nc7 7.
O-O O-O 8. d3 d6 9. Nbd2 Re8 10. Qc2 Bd7 11. b4 Qc8 12. Rfc1 Bh3 13. Bh1 e5 14.
a4 Qd7 15. b5 c5 16. Ng5 Rab8 17. Nxh3 Qxh3 18. Bg2 Qh5 19. e3 Ne6 20. Qd1 {
Afnan,Z (1832)-Hanif,M (1605) Dhaka BAN 2023 1-0 (56)}) 6. Bg2 $146 ({RR} 6.
cxb5 Qb6 7. Nc3 cxb5 8. Nd5 Qd6 9. e4 Nc6 10. Bxb5 O-O 11. Nxf6+ Bxf6 12. Bxf6
Qxf6 13. d4 Rb8 14. Be2 Rb4 15. e5 Qf5 16. a3 Rb6 17. O-O d6 18. exd6 exd6 19.
d5 Ne7 20. Nd4 Qf6 {Almasi,Z (2691)-Balog,I (2558) Budapest HUN 2019 1/2-1/2 
(38)}) 6... bxc4 7. bxc4 O-O 8. O-O Na6 9. d4 Rb8 10. Ba3 d5 11. Nc3 Qa5 12.
Qc1 Ne4 13. Nxe4 dxe4 14. Nd2 Bxd4 15. Nb3 Rxb3 16. axb3 Qb6 17. Bb2 Bxb2 18.
Qxb2 Nc5 19. Qc3 Qxb3 20. Qxb3 Nxb3 21. Rxa7 Be6 22. Rd1 Bxc4 23. Bxe4 Bxe2 24.
Re1 Nd4 25. Rxe7 Nf3+ 26. Bxf3 Bxf3 27. Re8 Bd5 28. f4 c5 29. Rxf8+ Kxf8 30.
Re5 Be6 31. Rxc5 Kg7 32. Kg2 Kf6 33. Kf3 h6 34. h4 h5 35. Ke4 Bg4 36. Re5 Be6
37. Kd4 Bh3 38. Ra5 Bc8 39. Ke4 Bf5+ 40. Kd4 Be6 41. Ke4 Bf5+ 42. Kd5 Be6+ 43.
Kd6 Bc8 44. Re5 Bf5 45. Rb5 Be6 46. Re5 Bb3 47. Kd7 Be6+ 48. Ke8 Bb3 49. Rc5
Ba2 50. Kf8 Be6 51. Rc6 Kf5 52. Kg7 Kg4 53. Rc3 Kf5 54. Rc5+ Kg4 55. Rc3 Kf5
56. Kh6 Kf6 57. Rc5 Bh3 58. Kh7 Bf5 59. Kg8 Bh3 60. Rc7 Be6 61. Kf8 Bd5 62. Ra7
Bc4 63. Ke8 Be6 64. Ra5 Bb3 65. f5 gxf5 66. Kd7 Be6+ 67. Kd6 Bb3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Uczai, Joao Pedro"]
[Black "Passos, Rafael Moreira"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. f4 exf4 5. Nf3 Nf6 6. Nc3 Be7 7. Be2 $146 ({RR
} 7. Nd5 O-O 8. d3 Nxd5 9. exd5 Nb4 10. c4 Bh4+ 11. Kd2 Bf6 12. Qc1 d6 13. a3
Na6 14. Kc2 Bxb2 15. Kxb2 Qf6+ 16. Qc3 Qxc3+ 17. Kxc3 Re8 18. b4 Bg4 19. Nd2
Bf5 20. Nb3 b6 21. Ra2 Re3 {Kivisto,M (2265)-Rytshagov,M (2385) Finland 1991
0-1 (42)}) ({RR} 7. Bc4 O-O 8. Qe2 a6 9. e5 Re8 10. Ne4 Nxe5 11. Nxe5 d5 12.
O-O dxc4 13. Rxf4 Nxe4 14. Nxf7 Qd5 15. Nh6+ gxh6 16. Rxe4 Qf7 17. Rf1 Bf5 18.
g4 Bg5 19. Rxf5 Rxe4 20. Qxe4 Re8 21. Qf3 Qd7 {Todorov,T (2518)-Gharamian,T 
(2420) France 2005 1/2-1/2 (61)}) ({RR} 7. e5 Nh5 8. Bc4 O-O 9. O-O d6 10. Nd5
Bg4 11. h3 Be6 12. Nxe7+ Qxe7 13. exd6 Qxd6 14. Ng5 Ng3 15. Nxe6 fxe6 16. Qg4
Nd4 17. Rf2 Ne4 18. Re1 Nxf2 19. Rxe6 Nxg4 20. Rxd6+ Kh8 21. Bxd4 cxd4 {
Ilic,N (1991)-Zhao Zong Yuan (2524) Ballarat AUS 2021 0-1 (46)}) 7... d6 8. O-O
O-O 9. d4 d5 10. Nxd5 Nxe4 11. Nxe7+ Nxe7 12. Bd3 Nf6 13. c4 Ng4 14. Qd2 Ne3
15. Rf2 cxd4 16. Nxd4 N3f5 17. Rxf4 Re8 18. Re1 g6 19. Bxf5 Nxf5 20. Rxe8+ Qxe8
21. Nxf5 Bxf5 22. Rxf5 Qe4 23. Qc3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Valcarcel, Victor I"]
[Black "Proudian, Armen"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. e4 {https://lichess.org/@/LinuxBrickie Postny,E} e5 2. Bc4 Nf6 3. d3 c6 4.
Nf3 d5 5. Bb3 Bb4+ ({RR} 5... Bd6) 6. c3 Bd6 7. Bg5 dxe4 ({RR} 7... Be6 8. d4
dxe4 9. Nfd2 exd4 10. Nxe4 Be7 11. Bxf6 Bxf6 12. Bxe6 fxe6 13. Qb3 Qe7 14.
Nxf6+ gxf6 15. cxd4 Na6 16. Nc3 O-O-O) 8. dxe4 h6 ({RR} 8... O-O 9. O-O Qe7 ({
RR} 9... h6 10. Bh4 Qe7) 10. Nh4 Na6 11. Nd2 Nc5 12. Qf3 Nxb3 13. axb3) 9. Bh4
Qe7 10. Nbd2 Bc7 ({RR} 10... Nbd7 11. Bg3 ({RR} 11. O-O) 11... Bc7 12. O-O Nh5
13. h3 Nxg3 14. fxg3 Nc5 ({RR} 14... Nf6) 15. Bxf7+ Kxf7 ({RR} 15... Qxf7 16.
Nxe5) 16. Nxe5+ ({RR} 16. Nh4+ Kg8 17. Ng6 Qe8 18. Rf8+ Qxf8 19. Nxf8 Kxf8 20.
Qh5 Be6 21. Nf3 Nd7 22. Rf1 ({RR} 22. Nh4 Nf6 23. Rf1 Rg8) 22... Kg8 23. Nh4
Rh7 24. Qg6 Bxa2 25. Nf5 Kh8 26. Ne7 Bb6+ 27. Kh2 Bc5 28. Qf5 g5 29. Rd1 Rf7
30. Qxd7 Rxe7) 16... Kg8 17. Ng6 Qg5 18. Rf8+ Kh7 19. Nxh8 ({RR} 19. Rxh8+ Kxg6
20. Nf3 ({RR} 20. b4 Qxg3 21. bxc5 Bxh3 22. Qf3 Rxh8 23. Qxg3+ Bxg3 24. gxh3
Be5) 20... Qxg3 ({RR} 20... Qe3+ 21. Kh1 Nxe4 22. Nh4+ Kg5 23. Nf3+ Kf6 24.
Qd4+ Qxd4 25. Nxd4 Nxg3+ 26. Kg1) 21. Qc2 Bg4 22. hxg4 Rxh8 23. e5+ Kf7 24.
Qf5+ Ke7) 19... Bg4 ({RR} 19... Qe3+ 20. Kh1 Bg4 21. Qf1 ({RR} 21. Qxg4 Rxf8
22. Ng6 Rf7) 21... Qxg3 22. e5 Rxf8 23. Qxf8 Qxe5 ({RR} 23... Bxe5 24. Nf1) 24.
Nf1 Bxh3 25. gxh3 Qe4+ 26. Kg1 Ne6) 20. Qf1 Nd3 21. Qxd3 ({RR} 21. Ng6 Qe3+ ({
RR} 21... Kxg6 22. Qf7+ Kh7 23. Qg8+) 22. Kh1 Qxg3 23. e5 Rxf8 24. Nxf8+ Kg8
25. Ng6 Nf2+ 26. Kg1 Nxh3+ 27. Kh1 Nf2+ 28. Kg1 Be6 29. Ne7+ ({RR} 29. Qxf2 Bb6
) 29... Kh8 30. Ng6+ Qxg6 31. Kxf2 Qc2) 21... Rxf8 22. hxg4 Qxg4 23. Nf3 Qxg3 (
{RR} 23... Kxh8) 24. e5+ ({RR} 24. Nf7 Rxf7 25. e5+ g6 ({RR} 25... Kh8 26. e6)
26. Rf1) 24... Kxh8 25. e6 {Carlsen,M (2877)-Caruana,F (2801) Saint Louis 2014
CBM 162 [Postny,E] 0-1 (34)} ({RR} 25. Rf1 Bb6+ ({RR} 25... Bxe5 26. Nxe5 Rxf1+
27. Qxf1 Qxe5 28. Qf7) 26. Kh1 Qg4 ({RR} 26... Rf4 27. Qd7) 27. Nh2 Rxf1+ 28.
Qxf1 Qh5 29. Qf8+ Kh7 30. Qd6 Qg6 31. Nf3 Qxd6 32. exd6 Kg6 33. Kh2 Kf6 34. Kg3
Ke6 35. Kg4 Kxd6 36. Kf5 Kd5)) 11. Qe2 ({RR} 11. Nc4 Nbd7 12. Bc2 Nf8 13. O-O
Ng6 14. Bg3 O-O 15. Re1 Rd8 16. Qe2 Nh5 17. Ne3 Nxg3 18. hxg3 Be6 19. Bb3 Rd7
20. Qc2 Rad8 21. Bxe6 Qxe6 22. Qb3 Qxb3 23. axb3 a6 24. Kf1 f6 25. Red1 Rxd1+ {
Adhiban,B (2551)-Kolbus,D (2225) Villa Marina, Douglas, Isle o 2023 [https://
lichess.org/@/LinuxBrickie] 1/2-1/2 (56)}) 11... Nbd7 12. O-O Nc5 $146 ({RR} 
12... Nf8 13. Bg3 Ng6 14. Nh4 Nf4 15. Bxf4 exf4 16. Rfe1 Bg4 17. f3 Be6 18.
Bxe6 Qxe6 19. Nf5 O-O 20. Nd4 Qe7 21. Rad1 Be5 22. Nc4 g6 23. Qf2 Rfd8 24. Nxe5
Qxe5 25. Nb3 b6 26. Rd2 c5 27. Red1 {Pridorozhni,A (2491)-Aleshin,O (2423)
Moscow 2005 1-0 (73)}) ({RR} 12... Nf8 13. Bg3 Ng6 14. Nh4 Nf4 15. Bxf4 exf4
16. Rfe1 Bg4 17. f3 Be6 18. Bxe6 Qxe6 19. Nf5 O-O) 13. Bc2 g5 14. Bg3 Nh5 15.
b4 Ne6 16. Nc4 Nef4 17. Qd1 Ng7 18. Ne3 Qf6 19. Nd2 Be6 20. Ndc4 Rd8 21. Qf3 g4
22. Nxg4 Nh3+ 23. Kh1 Qxf3 24. gxf3 Bxc4 25. Rfd1 Rxd1+ 26. Rxd1 Be2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Vargas, Roberto Carlos"]
[Black "Pontes, Felipe"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 b6 5. c3 Bb7 6. Nbd2 Be7 7. Bd3 Nh5 8. Bg3
O-O ({RR} 8... d6 9. Qe2 a6 10. e4 cxd4 11. cxd4 Nc6 12. a3 d5 13. e5 O-O 14.
O-O Qd7 15. Rfe1 Rfe8 16. Qe3 Nxg3 17. hxg3 f6 18. b4 fxe5 19. dxe5 Qd8 20. Nb3
Rc8 21. Rab1 Bf8 22. g4 g6 23. g5 {Kamsky,G (2732)-Almasi,Z (2707) Beijing
2011 1-0}) 9. Bxb8 ({RR} 9. Qc2 h6 10. O-O-O Nc6 11. dxc5 bxc5 12. Ne4 d5 13.
Ned2 Rc8 14. Qb1 a5 15. Ne5 Nxg3 16. Nxc6 Bxc6 17. hxg3 a4 18. Nf3 Bf6 19. Qc2
Qa5 20. a3 Rfd8 21. Rh5 Qc7 22. g4 d4 23. cxd4 cxd4 {Johnson,P (1812)-Iyengar,
S (1824) lichess.org INT 2021 1-0 (46)}) 9... Rxb8 10. O-O $146 ({RR} 10. g4
Nf6 11. Rg1 cxd4 12. Nxd4 {1/2-1/2 (12) Clausen,S-Lengyel,L Valby 1983}) 10...
g6 11. Re1 Qc7 12. Rc1 Rfc8 13. h3 Qd8 14. Bf1 Qf8 15. Bb5 d6 16. a3 Qh6 17.
Qe2 Nf6 18. Ba6 Bxa6 19. Qxa6 Rc7 20. Qe2 Nd5 21. c4 Nf6 22. e4 cxd4 23. Nxd4
Rc5 24. N4f3 Nh5 25. b4 Nf4 26. Qf1 Rh5 27. e5 Rd8 28. Ne4 dxe5 29. Rcd1 Rxd1
30. Rxd1 Rf5 31. Nh2 Qh4 32. f3 Nh5 33. Qf2 Qf4 34. c5 Bh4 35. Qd2 bxc5 36.
bxc5 Qxd2 37. Rxd2 Be1 38. Rd8+ Kg7 39. g4 Bh4 40. Rd7 Rf4 41. gxh5 gxh5 42. c6
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Vicentin, Marcos"]
[Black "Messias, Jose Vitor"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. d3 Na5 5. Nf3 Nxc4 6. dxc4 d6 7. Qd3 Ne7 8.
Na4 Bb6 9. c5 Ba5+ 10. Bd2 Bxd2+ 11. Qxd2 O-O $146 ({RR} 11... Bg4 12. Rd1 Bxf3
13. gxf3 Nc6 14. c3 b5 15. cxd6 O-O 16. Nc5 Qf6 17. Ke2 Rfd8 18. d7 b4 19. Rhg1
bxc3 20. bxc3 h6 21. Nb7 Rdb8 22. Rb1 Nd8 23. Nxd8 Rxd8 24. Rgd1 Kf8 25. Qd5 g5
26. Qc5+ {Hidalgo Mena,A (2304)-Dominguez Rueda,J (2143) Sitges 2002 1-0 (32)})
12. O-O-O b5 13. Nc3 b4 14. Nd5 Be6 15. Nxe7+ Qxe7 16. cxd6 cxd6 17. Qxb4 Bxa2
18. b3 Rab8 19. Qa3 Bxb3 20. cxb3 a5 21. Rd3 Qa7 22. Rf1 Rb4 23. Nd2 f5 24. Nc4
Qc5 25. Kd1 fxe4 26. Re3 d5 27. Nd2 Rc8 28. Qb2 d4 29. Rxe4 a4 30. Rfe1 axb3
31. Rxe5 Qc2+ 32. Qxc2 bxc2+ 33. Kc1 Rc3 34. Ra5 Rc8 35. Ree5 d3 36. Red5 Rc3
37. Ra7 h6 38. Rdd7 Rcb3 39. Rxg7+ Kf8 40. Nxb3 Rxb3 41. Rgb7 Rc3 42. Rb8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Zakowicz, Rafael"]
[Black "Filgueiras, Nathan"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Qe2 Be7 5. d3 d5 6. Bb3 Nf6 7. c3 b5 8. e5
$146 ({RR} 8. O-O a5 9. Re1 a4 10. Bc2 d4 11. h3 h6 12. a3 e5 13. Nbd2 g5 14.
Nh2 Ra6 15. c4 bxc4 16. Nxc4 Be6 17. Qd1 Qa8 18. b3 g4 19. Nxg4 Nxg4 20. hxg4
Rg8 21. f3 h5 22. gxh5 Bh4 {Csolto,R (2267)-Szegi,T (2246) Slovakia 2011 1-0 
(31)}) 8... Nd7 9. d4 Qb6 10. Be3 b4 11. dxc5 Bxc5 12. Bf4 Ba6 13. Qc2 Rc8 14.
Bg3 bxc3 15. bxc3 Nb4 16. Qd2 Nd3+ 17. Kd1 Bxf2 18. Qg5 Bxg3 19. Qxg3 Nf2+ 20.
Kc2 Nxh1 21. Qxg7 Rf8 22. Nbd2 Nf2 23. c4 dxc4 24. Ba4 c3 25. Nb3 Bd3+ 26. Kc1
Qe3+ 27. Nbd2 cxd2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "Zanette, Edgard"]
[Black "dos Anjos, Avner Augusto"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nf6 5. d3 d5 6. e5 Nd7 7. g3 a6 8. a4 f6 9.
exf6 Nxf6 10. Bg2 Bd6 11. O-O O-O 12. Kh1 $146 ({RR} 12. Re1 Re8 13. d4 cxd4
14. Ne2 Qb6 15. Nexd4 Nxd4 16. Nxd4 e5 17. fxe5 Bxe5 18. Be3 Qxb2 19. Qd2 Qb6
20. Nf3 Qc6 21. Nxe5 Rxe5 22. Bd4 Ne4 23. Bxe4 Rxe4 24. Rxe4 dxe4 25. Qg5 Qd7
26. c3 b6 {Klepaczka,T (2115)-Igambergenov,A (2255) Krakow 2011 1-0}) 12... Rb8
13. d4 b5 14. axb5 axb5 15. dxc5 Bxc5 16. Qe2 b4 17. Na4 Nd4 18. Qd3 Nxf3 19.
Nxc5 e5 20. Qxf3 e4 21. Qb3 Kh8 22. Be3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "da Cruz, Emerson"]
[Black "Freitas, Filipe"]
[Result "1-0"]
[ECO "E19"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nf3 Nf6 3. g3 c6 ({RR} 3... Be7 4. Nc3 d5 5. cxd5 exd5 6. Bg2 O-O
7. O-O c6 8. d3 h6 9. Qc2 Be6 10. e4 dxe4 11. dxe4 Nbd7 12. Be3 Qa5 13. h3 Rad8
14. a3 Ne5 15. Nxe5 Qxe5 16. f4 Qc7 17. Rad1 Bc4 18. Rfe1 {Popov,V (2523)
-Orlov,V (2431) St Petersburg 1999 1-0 (51)}) ({RR} 3... Bc5 4. Bg2 d5 5. b3
O-O 6. Bb2 c6 7. O-O Nbd7 8. d4 Be7 9. Nbd2 Ne4 10. Rc1 Ndf6 11. Ne5 Nxd2 12.
Qxd2 Nd7 13. Nxd7 Bxd7 14. e4 dxe4 15. Bxe4 Bf6 16. Rfd1 g6 17. d5 exd5 18.
cxd5 {Ozalp,B (2206)-Novikova,M (1985) chess.com INT 2023 0-1 (48)}) 4. Bg2 Bb4
5. O-O $146 ({RR} 5. a3 Ba5 6. b4 Bc7 7. Bb2 d6 8. d4 Qe7 9. Nc3 Nbd7 10. O-O
Nf8 11. e4 e5 12. d5 Bd7 13. Qd3 h6 14. Rfd1 g5 15. c5 O-O-O 16. Rac1 Ng6 17.
cxd6 Qxd6 18. dxc6 Qxd3 19. cxb7+ Kxb7 {Van Hoolandt,P (2098)-Weber,L Bad
Woerishofen 2000 1-0 (32)}) 5... O-O 6. d4 d5 7. c5 b6 8. a3 Bxc5 9. dxc5 bxc5
10. Bg5 Re8 11. Nc3 e5 12. Qc2 Qd6 13. Rfd1 e4 14. Bf4 Qe7 15. Ne1 Bf5 16. Na4
Nbd7 17. Rac1 c4 18. Qd2 Ng4 19. Nc2 c5 20. Qxd5 Be6 21. Qxe4 Rad8 22. Ne3 Ndf6
23. Qb7 Nd7 24. h3 Nxe3 25. Bxe3 c3 26. bxc3 Bc4 27. Bf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "da Rosa, Henrique"]
[Black "Barbosa Filho, Lucio"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Qc2 Nbd7 8. Nbd2
b6 9. e4 dxe4 10. Ng5 ({RR} 10. Nxe4 Ba6 11. b3 b5 12. Nxf6+ Bxf6 13. Be3 bxc4
14. bxc4 Nb6 15. Ne5 Bxe5 16. dxe5 Nxc4 17. Bc5 Nxe5 18. Bxf8 Bxf1 19. Bxg7
Bxg2 20. Bxe5 Qd5 21. Qe2 Qe4 22. Qh5 Bf3 23. Qg5+ Qg6 24. Qf4 Bd5 {Mitrovic,D
(2223)-Mamedov,E (2227) chess.com INT 2022 0-1 (34)}) 10... Bb7 11. Rd1 ({RR} 
11. Ngxe4 Nxe4 12. Nxe4 Nf6 13. Bf4 Nxe4 14. Qxe4 Bf6 15. Rad1 Qe7 16. Rfe1
Rfd8 17. Be5 Bxe5 18. dxe5 Rd7 19. Rd3 Rxd3 {1/2-1/2 (19) Kveinys,A (2542)
-Klabis,R (2357) Panevezys 2017}) 11... h6 12. Ngxe4 Qc7 $146 ({RR} 12... Nxe4
13. Nxe4 Nf6 14. Nxf6+ Bxf6 15. Bf4 Qe7 16. c5 Qd7 17. Rac1 Rfd8 18. Bd6 Be7
19. Be5 b5 20. h4 a5 21. Kh2 b4 22. Qe4 Bf8 23. Qe3 f6 24. Bf4 g5 25. Bd6 Bxd6
26. cxd6 Qxd6 27. Bh3 {Le Roux,J (2275)-Minet,S (2080) Rochefort 1998 1-0 (84)}
) 13. c5 Nxe4 14. Nxe4 Nf6 15. Bf4 Qd7 16. Rac1 Nd5 17. Bd6 f5 18. Bxe7 Qxe7
19. Nd6 b5 20. Re1 Rf6 21. Bxd5 cxd5 22. Nxf5 Qd7 23. Nd6 Bc6 24. Re5 g5 25.
Qe2 Raf8 26. Rf1 a6 27. Kg2 Qe7 28. Qg4 Kh7 29. h4 gxh4 30. Qxh4 Qg7 31. Qh5
Bd7 32. Qe2 Rf4 33. c6 Be8 34. c7 Bd7 35. Qc2+ R4f5 36. Rxf5 exf5 37. c8=Q Bxc8
38. Nxc8 Qxd4 39. Nd6 Qe5 40. Qc7+ Kg8 41. Rh1 Qf6 42. Qd7 Rd8 43. Rxh6 Rxd7
44. Rxf6 Kg7 45. Ne8+ Kh8 46. Rh6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "4"]
[White "de Deus Filho, Joaquim"]
[Black "Veiga, Emerson"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2
b4 9. Nd1 Nd4 10. h3 ({RR} 10. Nc1 Bg4 11. Bxd4 Bxd4 12. Ne2 Bg7 13. O-O Nf6
14. a3 a5 15. axb4 axb4 16. h3 Bd7 17. c3 Qc8 18. Kh2 Bc6 19. Ne3 O-O 20. Ra7
Rb7 21. Rfa1 bxc3 22. bxc3 Qb8 23. Rxb7 Qxb7 24. Nc4 Qc7 {Maiorov,O (2377)
-Najer,E (2640) Sochi 2012 1/2-1/2 (49)}) 10... Qb6 ({RR} 10... h5 11. f4 Bb7
12. O-O e6 13. Nc1 Ne7 14. c3 bxc3 15. bxc3 Ndc6 16. Ne2 Qa5 17. Nb2 Ba6 18.
Rfb1 O-O 19. f5 exf5 20. exf5 Ne5 21. fxg6 fxg6 22. Nf4 Nf5 23. d4 cxd4 24.
cxd4 Qxd2 25. Bxd2 {Cherry,A (1918)-Skliarov,V (2366) chess.com INT 2023 0-1 
(65)}) 11. Nc1 e6 12. c3 $146 ({RR} 12. O-O Ne7 13. c3 bxc3 14. bxc3 Ndc6 15.
Bh6 O-O 16. Bxg7 Kxg7 17. Ne3 Ba6 18. Nb3 Ne5 19. c4 Qb4 20. Qb2 f6 21. Rad1
N5c6 22. Qa1 e5 23. Rb1 Qa4 24. Rb2 Rb6 25. f4 Rbb8 26. Rbf2 Nd4 {
Walentukiewicz,M (2064)-Augustyn,S (2173) Jastrzebia Gora POL 2018 1-0 (69)})
12... Nc6 13. Ne2 Ba6 14. f4 Nge7 15. g4 O-O 16. f5 Ne5 17. Nc1 bxc3 18. bxc3
exf5 19. gxf5 gxf5 20. Bh6 fxe4 21. Bxe4 d5 22. Bxg7 Kxg7 23. Qg5+ N7g6 24.
Bxg6 Nf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Abrantes, Tiago Garrido"]
[Black "Vicentin, Marcos"]
[Result "1-0"]
[ECO "A31"]
[PlyCount "95"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 O-O 8.
N5c3 e4 9. Be2 Bf5 10. a3 Nbd7 11. b4 Bd6 12. Ra2 $146 ({RR} 12. Bb2 a6 13. Nd2
Ne5 14. h3 Bg6 15. Nc4 Nxc4 16. Bxc4 Rc8 17. Bb3 Nd7 18. Ne2 Qg5 19. Kf1 Be5
20. Nd4 Qf6 21. h4 h5 22. g4 Bg3 23. Qe2 Ne5 24. g5 Qxf2+ 25. Qxf2 Bxf2 26.
Kxf2 Nd3+ {Karner,H (2415)-Barczay,L (2415) Tallinn (Estland) 1981 0-1 (64)}) (
{RR} 12. Bb2 Ne5 13. Nb5 Bg4 14. O-O Re8 15. Nd2 h5 16. Nxd6 Qxd6 17. Bxe5 Qxe5
18. Nc4 Qg5 19. Bxg4 hxg4 20. d6 Rad8 21. Qd4 Re6 22. Rfd1 b5 23. Na5 Rexd6 24.
Qxd6 Rxd6 25. Rxd6 g3 26. hxg3 Ng4 {Moroni,L (2584)-Dubov,D (2711) chess.com
INT 2022 0-1 (53)}) 12... Rc8 13. Rd2 a6 14. Bb2 Ne5 15. Qb3 Qe7 16. Rd1 h5 17.
h3 Rfe8 18. Rd2 h4 19. Nd1 Nfd7 20. Bd4 Qg5 21. Kf1 Bg6 22. Nbc3 Kh7 23. Nb2 f5
24. Bd1 Rf8 25. Ne2 Nd3 26. Nxd3 exd3 27. Ng1 f4 28. Nf3 Qe7 29. e4 Bxe4 30.
Rxd3 Rfe8 31. Kg1 Rc1 32. Kh2 Bxf3 33. Bxf3 Rxh1+ 34. Kxh1 Qe1+ 35. Kh2 Re3 36.
Qc2 Rxd3 37. Qxd3+ g6 38. Qc3 Qxc3 39. Bxc3 Ne5 40. Kg1 Nxf3+ 41. gxf3 g5 42.
Kf1 Kg6 43. Ke2 Kf5 44. Kd3 b5 45. Bd4 Be5 46. Bxe5 Kxe5 47. d6 Kxd6 48. Kd4
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Almeida Jr, Alvaro"]
[Black "Panazzolo, Paulo"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Qf3 Be7 9. O-O O-O 10. Bd3 h6 11. Ne4 Nd5 12. Ng3 Nf4 ({RR} 12... Nb4 13. Nf5
Bg5 14. Re1 Nxd3 15. cxd3 Qf6 16. Ng3 Qxf3 17. gxf3 c5 18. Rxe5 Nc6 19. Rxc5
Nd4 20. Nc3 Nxf3+ 21. Kh1 Ne1 22. Nce4 f5 23. Nd6 Be7 24. Rxc8 Raxc8 25. Nxc8
Rxc8 26. b4 Nxd3 27. Ba3 {Kaidanov,G (2596)-Onischuk,A (2664) Tulsa 2008 0-1 
(42)}) 13. Bf5 Bb7 14. d3 g6 15. b4 $146 ({RR} 15. Bxf4 exf4 16. Qxf4 Bg5 17.
Qg4 gxf5 18. Nxf5 Bc8 19. Nc3 Qf6 20. f4 Bxf5 21. fxg5 Bxg4 22. gxf6 Rab8 23.
b3 Nb7 24. Rf4 Be6 25. Re1 Nd6 26. Re5 Kh7 27. Rc5 Rbc8 28. Ne2 Rg8 29. Ra5 Rc7
{Brkic,A (2558)-Sachdev,T (2425) Rijeka 2008 0-1 (52)}) ({RR} 15. Bxf4 exf4 16.
Qxf4 Bg5 17. Qb4 gxf5 18. Nxf5 Qd5 19. Ne3 Qb5 20. a3 Bc8 21. Nc3 Qxb4 22. axb4
Nb7 23. Nc4 Be6 24. Ra6 Bf6 25. Ne4 Bd4 26. c3 Bg7 27. Rfa1 Bxc4 28. dxc4 Rfe8
29. f3 f5 {Garcia Ramos,D (2455)-Ladan,N (2229) chess.com INT 2023 1-0 (61)})
15... Bxb4 16. Bxf4 exf4 17. Qxf4 Bd6 18. Qg4 Qf6 19. Nd2 Qg7 20. Qa4 gxf5 21.
Qxa5 c5 22. Qb5 Bd5 23. Qd7 Rad8 24. Qxf5 Be6 25. Qh5 Bg4 26. Qh4 f5 27. Rae1
Rfe8 28. Rxe8+ Rxe8 29. Nh5 Bxh5 30. Qxh5 f4 31. Qxe8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Andrade, Dalson Holanda"]
[Black "Silva, Anjossendre"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "106"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 f5 4. Nf3 e6 5. cxd5 exd5 6. Qc2 Nf6 7. Bg5 Be7 8.
Bxf6 Bxf6 9. e3 O-O 10. Bd3 Be7 $146 ({RR} 10... Qd6 11. h4 Be6 12. O-O-O Na6
13. a3 b5 14. g4 fxg4 15. Bxh7+ Kh8 16. Ng5 Be7 17. Qg6 Rf6 18. Qd3 Nc7 19. Ne2
b4 20. a4 c5 21. Nf4 Rxf4 22. exf4 Qxf4+ 23. Qe3 Qxe3+ 24. fxe3 Bd7 25. b3 {
Montes Gutierrez,I-Blazquez Lopez,B Gijon 2002 1-0}) 11. O-O-O Be6 12. Ne5 Nd7
13. Nxd7 Qxd7 14. Kb1 b5 15. f3 a5 16. e4 fxe4 17. fxe4 dxe4 18. Bxe4 Bf5 19.
d5 c5 20. d6 Bg5 21. h4 Bd8 22. Bxf5 Rxf5 23. Nxb5 Rb8 24. a4 Bf6 25. Rhf1 Re5
26. Rde1 Rbe8 27. Rxe5 Rxe5 28. Qc4+ Kf8 29. g4 h6 30. g5 hxg5 31. hxg5 Rxg5
32. Nc7 Rg2 33. Ne6+ Ke8 34. Nxg7+ Qxg7 35. Qe6+ Kd8 36. Rxf6 Re2 37. Qf5 Qg1+
38. Ka2 Qd4 39. Rf8+ Re8 40. Rxe8+ Kxe8 41. Qe6+ Kf8 42. Qc8+ Kf7 43. Qc7+ Ke6
44. Qxa5 Qc4+ 45. Ka3 Kxd6 46. Qb5 Qc1 47. Qd3+ Kc7 48. Kb3 Qf4 49. Qc4 Qe3+
50. Qc3 Qe6+ 51. Ka3 Kb6 52. Qb3+ Qxb3+ 53. Kxb3 Ka5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Aoyama, Edmundo"]
[Black "Oliveira, Olavo Tadeu"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O Re8 8. c4
e5 9. Nc3 exd4 10. exd4 Ne4 11. Nxe4 Rxe4 12. Bd3 Re8 13. Qc2 c6 $146 ({RR} 
13... Nf6 14. Rfe1 Bg4 15. Nd2 Qd7 16. d5 Nh5 17. Bxg7 Kxg7 18. Qc3+ Kg8 19.
Ne4 Bf5 20. Qd4 Bxe4 21. Rxe4 Rxe4 22. Bxe4 b6 23. Re1 Re8 24. Re3 Qg4 25. h3
Qf4 26. g3 Qf6 27. Qd2 Qg5 28. Qd4 {Semenenko,D-Aldokhin,I (2413) chess.com
INT 2022 0-1 (46)}) 14. Rfe1 Nf6 15. h3 Bd7 16. Rad1 Qc7 17. Bc1 Rxe1+ 18. Rxe1
Re8 19. Rxe8+ Nxe8 20. Bf4 Qd8 21. Qd2 c5 22. Be4 Qc8 23. dxc5 dxc5 24. Ne5 Be6
25. Bd5 Nc7 26. Bf3 g5 27. Bg3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Aranha Filho, Alvaro"]
[Black "Guimaraes, Diogo Duarte"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Qa4 Nbd7 6. cxd5 Nb6 7. Qb3 Qxd5 8.
Qxd5 $146 ({RR} 8. Qd1 Bg4 9. Bg2 Rd8 10. Nc3 Qc4 11. e3 Bxf3 12. Qxf3 Bg7 13.
Bd2 O-O 14. b3 Qd3 15. Qe2 Qc2 16. Rc1 Qb2 17. Rb1 Qc2 18. Rc1 Qb2 19. O-O e5
20. Rb1 Qc2 21. Rfc1 Qf5 22. dxe5 Qxe5 {Sipila,V (2447)-Karttunen,M (2458)
Finland 2017 1/2-1/2 (65)}) ({RR} 8. Qd1 Bf5 9. Nc3 Qa5 10. Bd2 Nc4 11. Qb3
Nxd2 12. Nxd2 Bh6 13. e3 O-O 14. Bg2 Qa6 15. Qa4 Qxa4 16. Nxa4 e5 17. Nf3 Be4
18. dxe5 Nd7 19. O-O Bxf3 20. Bxf3 Nxe5 21. Be2 Rfd8 22. Rfd1 Bf8 {Xu,X (2623)
-Li Chao2 (2652) Nanjing CHN 2023 1/2-1/2 (34)}) 8... Nbxd5 9. a3 Bg7 10. Bg2
O-O 11. O-O Bf5 12. Nbd2 Ne4 13. Nc4 Nd6 14. Nxd6 exd6 15. Nd2 Be6 16. e4 Nb6
17. Nf3 d5 18. e5 f6 19. Bf4 fxe5 20. Bxe5 Nc4 21. Rfe1 Nxe5 22. Nxe5 Rae8 23.
f4 Bf6 24. h4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Araujo, Everson"]
[Black "Carrico, Victor Hugo"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. b3 c5 3. Bb2 e6 4. e3 Nc6 5. Be2 Be7 6. O-O O-O 7. c4 d5 8. cxd5
exd5 9. d4 b6 10. Nc3 ({RR} 10. Nbd2 Bb7 11. Rc1 Ne4 12. dxc5 Bxc5 13. Bb5 Rc8
14. Qe2 Qe7 15. Bxc6 Rxc6 16. Nd4 Rg6 17. Rfd1 Bc8 18. Nf1 Bh3 19. g3 Ng5 20.
Nd2 Re8 21. Rc2 Ne4 22. Nf1 h5 23. b4 Bxd4 24. Rxd4 h4 {Andersson,U (2585)
-Langeweg,K (2450) Wijk aan Zee 1976 0-1 (41)}) 10... Bb7 11. Rc1 Rc8 12. Qd3 (
{RR} 12. dxc5 bxc5 13. Na4 Ne4 14. Nd2 Nb4 15. a3 Na6 16. Bg4 f5 17. Nxe4 dxe4
18. Be2 Qc7 19. b4 Bd6 20. g3 Qe7 21. Bc4+ Kh8 22. Qe2 Nb8 23. Nxc5 Bxc5 24.
bxc5 Rxc5 25. Bd4 Rcc8 26. Qb2 Nc6 {Ciolacu,A (2172)-Olde,M (2256) Bucharest
ROU 2023 1/2-1/2 (44)}) 12... Ne4 $146 ({RR} 12... Re8 13. dxc5 bxc5 14. Rfd1
Nb4 15. Qb1 Qa5 16. a3 Na6 17. Ne1 d4 18. exd4 cxd4 19. Rxd4 Qe5 20. Bxa6 Bxa6
21. Nf3 Qb8 22. b4 Bb7 23. Qd3 Bd8 24. Ne2 Bb6 25. Rxc8 Qxc8 26. Rh4 Be4 27.
Qc3 {Suba,M (2529)-Bolle,L (2011) Campillos 2007 1-0 (50)}) 13. Rfd1 Bf6 14.
dxc5 Nb4 15. Qb1 Bxc3 16. Bxc3 Nxc3 17. Rxc3 Rxc5 18. Rxc5 bxc5 19. a3 Nc6 20.
h4 h6 21. b4 cxb4 22. axb4 Qd6 23. b5 Ne5 24. Nd4 Rc8 25. Qa1 Qc5 26. Nf5 f6
27. Qd4 Nc4 28. Qg4 Rc7 29. Nxh6+ Kf8 30. Nf5 Qxb5 31. Qh5 Kg8 32. Bd3 Qd7 33.
Nd4 Nd6 34. Qh7+ Kf8 35. Bg6 Nf7 36. Nf5 Nh6 37. Qh8+ Ng8 38. Nd4 Bc8 39. Bh7
Qf7 40. Rb1 Rc4 41. g3 Rc7 42. Kg2 g6 43. Bxg8 Qxg8 44. Qxf6+ Qf7 45. Qd6+ Kg8
46. Rb8 Kh7 47. Nf3 Kh6 48. Ng5 Qd7 49. Qf8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Arruda Filho, Ivo"]
[Black "Oliveira, Yuri Garcia"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. e3 g6 3. c3 Bg7 4. d4 Nf6 5. Nbd2 ({RR} 5. dxc5 a5 6. Na3 O-O 7.
Nb5 Na6 8. Qd4 Ne8 9. Qd5 Nec7 10. Nxc7 Qxc7 11. Bxa6 Rxa6 12. O-O Rc6 13. e4
Rxc5 14. Qd3 b5 15. Be3 Rh5 16. Bd4 f6 17. a4 Qc4 18. Qxc4+ bxc4 19. g4 Rh3 {
Ramirez,A (2574)-Gabuzyan,H (2619) Las Vegas USA 2019 1/2-1/2 (40)}) 5... d5
$146 ({RR} 5... Qc7 6. Be2 O-O 7. O-O d5 8. Ne5 Nbd7 9. Ndf3 Ne4 10. Nxd7 Bxd7
11. Nd2 Nxd2 12. Bxd2 e5 13. dxe5 Bxe5 14. f4 Bg7 15. Rc1 b5 16. Bf3 Bc6 17.
Be1 Rad8 18. Qc2 f5 19. Bf2 Rd7 20. Rfd1 {Burdio Gracia,D-Riegler,D Seville
1990 0-1 (37)}) ({RR} 5... O-O 6. dxc5 Qc7 7. Nb3 a5 8. a4 Na6 9. Bxa6 bxa6 10.
O-O Ne4 11. Nfd4 Bb7 12. f3 Nxc5 13. Nxc5 Qxc5 14. Qe2 d6 15. Kh1 Bd5 16. Re1
Bc4 17. Qc2 e5 18. Ne2 Rab8 19. Ng3 f5 20. e4 {Bold,A (2194)-Mitrabha,G (2515)
chess.com INT 2023 0-1 (41)}) 6. dxc5 a5 7. Bb5+ Bd7 8. Qa4 O-O 9. O-O Qc7 10.
Bxd7 Nbxd7 11. Nb3 Ne4 12. Rd1 Ndxc5 13. Nxc5 Qxc5 14. Qb3 e6 15. a4 Rfb8 16.
Nd4 b5 17. Nxb5 Nd6 18. Qa3 Qxa3 19. Nxa3 Rb7 20. f3 f5 21. Re1 Bh6 22. g3 Kf7
23. Re2 Rab8 24. Rc2 Ke7 25. Kf2 Nc4 26. Nb5 Nd6 27. Na3 Nc4 28. Nb5 Nd6
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Azevedo Jr, Joao"]
[Black "Vargas, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. g3 ({RR} 4. h4 h5 5. d4 cxd4 6. Nxd4 Nc6 7.
Be3 Nf6 8. f3 O-O 9. Nb3 a5 10. Na4 d5 11. Nb6 Rb8 12. exd5 Nb4 13. c4 a4 14.
a3 Nbxd5 15. cxd5 axb3 16. Qxb3 Qc7 17. Rd1 Bf5 18. Bc4 Qg3+ {Hess,R (2560)
-Smith,B (2467) Philadelphia 2009 1/2-1/2 (40)}) 4... Nc6 5. Bb5 d6 $146 ({RR} 
5... Nd4 6. Bf1 d6 7. Bg2 Bg4 8. h3 Bxf3 9. Bxf3 e6 10. Bg2 Ne7 11. d3 O-O 12.
Ne2 Rc8 13. c3 Nxe2 14. Qxe2 b5 15. O-O a5 16. a3 Qb6 17. Be3 b4 18. axb4 axb4
19. Rfb1 Rb8 20. Qc2 {Prieto Aranguren,A (2258)-Hua,L (2305) chess.com INT
2023 0-1 (32)}) 6. Bxc6+ bxc6 7. h3 Nf6 8. d3 Rb8 9. Rb1 Nd7 10. Bd2 O-O 11.
Qc1 Ne5 12. Nxe5 Bxe5 13. Bh6 Re8 14. f4 Bg7 15. Bxg7 Kxg7 16. Kf2 f5 17. Kg2
e5 18. Rf1 Be6 19. fxe5 dxe5 20. Qe3 Qd4 21. Qxd4 cxd4 22. Na4 fxe4 23. dxe4
Bxa2 24. Ra1 Bc4 25. Rf2 Rf8 26. Rd2 Rf7 27. b3 Be6 28. Nc5 Bc8 29. Ra5 Rb5 30.
b4 Rxa5 31. bxa5 Kf8 32. Nd3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Barbosa, Evandro Amorim"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O e6 6. Qe2 Nc6 7. Rd1 Nf6 8.
d4 cxd4 9. Nxd4 Be7 10. c4 O-O 11. Nc3 Rfc8 $146 ({RR} 11... a6 12. b3 h6 13.
Bb2 Qc7 14. Nxc6 bxc6 15. Rd3 Rfd8 16. Rad1 Rd7 17. Qd2 Rad8 18. Ba3 Qa5 19.
Qb2 Qe5 20. f3 Qg5 21. Qf2 Qa5 22. Qb2 Qg5 23. Ne2 e5 24. Ng3 Nh5 25. Nf5 Qf6
26. Qd2 {Doknjas,J (2030)-Shao,N (1619) Vancouver 2013 1-0 (40)}) 12. b3 Nxd4
13. Rxd4 Qc6 14. Bb2 a6 15. a4 b6 16. Rad1 Nd7 17. R4d3 Ne5 18. Rh3 Ng6 19. Qh5
h6 20. Qg4 Bf6 21. Rh5 Be5 22. g3 b5 23. h4 bxc4 24. b4 Qb6 25. b5 axb5 26.
axb5 Qc5 27. Rc1 Qb4 28. Qe2 Bd4 29. Kg2 Ne5 30. Rc2 Qb3 31. b6 Qxb6 32. Qd2
Nd3 33. Rb5 Qc6 34. Rh5 Bxc3 35. Bxc3 Qxe4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Bisesar, Maycon"]
[Black "Zakowicz, Rafael"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "130"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 Be7 6. Bf4 O-O 7. e3 c6 8. h3
Qa5 $146 ({RR} 8... Qb6 9. Rb1 Bf5 10. Bd3 Bxd3 11. Qxd3 Qa6 12. Qxa6 Nxa6 13.
Ke2 Ne8 14. Ne5 Rd8 15. Rhc1 Bd6 16. b4 Bxb4 17. Nd3 Ba3 18. Rc2 Rd7 19. Ne5
Re7 20. Na4 f6 21. Nxc6 bxc6 22. Rc3 g5 23. Bh2 {Balashov,Y-Zaitsev,I Moscow 
(Russia) 1969 1/2-1/2 (45)}) ({RR} 8... Bd6 9. Bxd6 Qxd6 10. a3 Bf5 11. Bd3
Bxd3 {1/2-1/2 (11) Ghitescu,T (2400)-Velikov,P (2440) Zalaegerszeg 1979}) ({RR
} 8... Bd6 9. Bxd6 Qxd6 10. Bd3 Re8 11. Qc2 Nbd7 12. O-O-O b5 13. Kb1 a5 14.
Ne2 a4 15. Rc1 Bb7 16. Ng3 Nb6 17. Nf5 Qf8 18. g4 Nc4 19. Ka1 Ne4 20. Ne5 Nxe5
21. dxe5 Rxe5 22. f3 Nf6 23. g5 {Mekhitarian,K (2559)-Harish,N (2154) chess.
com INT 2023 0-1 (37)}) 9. Bd3 Bb4 10. Qc2 Ne4 11. Bxe4 dxe4 12. Nd2 Re8 13. a3
Nd7 14. Nb3 Bxc3+ 15. Qxc3 Qh5 16. Qa5 Qg6 17. Qg5 Qe6 18. Nc5 Nxc5 19. Qxc5 b6
20. Qe5 Qd7 21. Qd6 Qf5 22. O-O Ba6 23. Rfc1 Re6 24. Qc7 Rg6 25. Rxc6 Rc8 26.
Rd6 h6 27. Rd8+ Rxd8 28. Qxd8+ Kh7 29. Bg3 Qb5 30. Qe7 Qxb2 31. Re1 Qc3 32. Qb4
Rc6 33. Qxc3 Rxc3 34. Bb8 Rxa3 35. Bxa7 Rb3 36. d5 Kg6 37. Rc1 Bb7 38. d6 Kf6
39. Rc7 Bd5 40. Re7 Rb1+ 41. Kh2 Bc6 42. Rc7 Bd5 43. Re7 Bc6 44. Bb8 Rd1 45.
Ra7 Ke6 46. Re7+ Kf6 47. Ra7 b5 48. Ra6 Bd7 49. Ba7 Ke6 50. Bd4 g5 51. Rb6 f5
52. Rb8 Kxd6 53. Rh8 f4 54. Rxh6+ Kd5 55. Rh5 Rxd4 56. Rxg5+ Kc4 57. exd4 b4
58. Rc5+ Kxd4 59. Rc1 Bf5 60. Kg1 e3 61. fxe3+ fxe3 62. Kf1 b3 63. Rd1+ Bd3+
64. Ke1 b2 65. g4 e2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cadilhac, Igor"]
[Black "Trevisan, Rodrigo"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8.
Bg5 e6 9. O-O-O Be7 10. Qd3 O-O 11. Nd4 Qa5 12. f4 Rac8 13. Kb1 ({RR} 13. g4
Rfe8 14. Bxf6 Bxf6 15. g5 Bxd4 16. Qxd4 e5 17. Qe3 exf4 18. Qxf4 Qe5 19. Rhf1
Qxf4+ 20. Rxf4 Re6 21. Rd4 h6 22. gxh6 Rxh6 23. h4 Re8 24. Nd1 Re5 25. Nf2 Rhe6
26. c4 Kf8 27. Kd2 Ke7 {Candian,L (2141)-Mattenberger,M (2285) Montesilvano
ITA 2023 1/2-1/2 (45)}) 13... Bd8 $146 ({RR} 13... Qa6 14. Qxa6 bxa6 15. Nxc6
Rxc6 16. e5 dxe5 17. fxe5 Nd5 18. Nxd5 Bxg5 19. Nb4 Rb6 20. c3 a5 21. Nd3 Rc8
22. Kc2 a4 23. Rhe1 Rbc6 24. a3 Rc4 25. Nf2 Rh4 26. h3 Rf4 27. Ne4 Rf5 28. Nxg5
{Naiditsch,A (2657)-Petrosian,T (2558) Kusadasi 2006 1-0 (50)}) 14. f5 Bd7 15.
Nb3 Rxc3 16. bxc3 Qb6 17. Rhe1 a5 18. Qxd6 Bc6 19. fxe6 fxe6 20. Qxe6+ Kh8 21.
e5 Nd5 22. Rf1 Rg8 23. Bxd8 Nxc3+ 24. Ka1 Rxd8 25. Rxd8+ Qxd8 26. Qd6 Qxd6 27.
exd6 Kg8 28. Nc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Campos, Otavio"]
[Black "Oliveira, Renato Sena"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 d5 3. Nf3 c6 4. e3 Nf6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Nc6 8. dxc5
Qxd1 9. Rxd1 Bxc5 10. a3 e5 $146 ({RR} 10... O-O 11. b4 Be7 12. Bb2 a6 13. Nc3
b5 14. Be2 Bb7 15. Rac1 Rfd8 16. h3 h6 17. Rxd8+ Rxd8 18. Rd1 Rc8 19. Kf1 Nb8
20. Nd4 Nbd7 21. Bf3 Bxf3 22. Nxf3 Nb6 23. Nd2 Kf8 24. Ke2 Ke8 25. Rc1 {
Cereijo Suarez,A (2082)-Tejedor Fuente,E (2376) Santiago de Compostela ESP
2022 0-1 (61)}) ({RR} 10... O-O 11. b4 Be7 12. Bb2 Bd7 13. Nbd2 Rfd8 14. Rac1
Be8 15. Kf1 Rac8 16. Be2 Nb8 17. Rxc8 Rxc8 18. Nc4 Nd5 19. Nd4 Ba4 20. Rc1 Be8
21. g3 b5 22. Na5 Rxc1+ 23. Bxc1 a6 24. e4 Nc3 25. Bd3 {Le,Q (2709)-Dominguez
Perez,L (2758) chess24.com INT 2021 0-1 (62)}) ({RR} 10... O-O 11. b4 Be7 12.
Bb2 Bd7 13. Nc3 Rfd8 {1/2-1/2 (12) Sernecki,F (2310)-Jarmula,L (2469) Krakow
POL 2023}) 11. b4 Be7 12. h3 e4 13. Nd4 Bd7 14. Bb2 O-O 15. Nc3 Ne5 16. Be2 a6
17. Rd2 Rac8 18. Rad1 Nc4 19. Bxc4 Rxc4 20. Nde2 Be6 21. Nf4 Rfc8 22. Nxe6 fxe6
23. Ne2 Nd5 24. Ng3 Bf6 25. Bxf6 gxf6 26. Ne2 Rc2 27. g4 Kf7 28. Kg2 Ke7 29.
Kg3 Rxd2 30. Rxd2 Nc3 31. Nd4 Nb1 32. Rc2 Rxc2 33. Nxc2 e5 34. h4 h6 35. a4 Nc3
36. a5 Ke6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cardoso, Lucca"]
[Black "Carvalho, Amauri"]
[Result "1-0"]
[ECO "D93"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. Bf4 O-O 7. e3 Nbd7 ({RR} 
7... a6 8. cxd5 Nxd5 9. Nxd5 cxd5 10. Bd3 Qa5+ 11. Qc3 Qxc3+ 12. bxc3 Bf5 13.
Kd2 Nc6 14. Rhb1 Bxd3 15. Kxd3 f6 16. Bc7 e5 17. Nd2 Rf7 18. Bd6 Rd8 19. Bc5 f5
20. f4 exf4 21. exf4 Bf8 22. Bxf8 {Ramirez,A (2555)-Nyzhnyk,I (2616) chess.com
INT 2017 1-0 (71)}) ({RR} 7... a6 8. a4 e6 9. Bd3 Nbd7 10. O-O b6 11. Rfd1 Bb7
12. c5 b5 13. axb5 axb5 14. Na2 Qa5 15. Rdc1 Ra7 16. Qd1 Rfa8 17. Nd2 Ne8 18.
Nb3 Qd8 19. Nb4 e5 20. Bg3 Ra4 21. Qd2 f5 22. h3 {Peatman,C (2003)-Ohanyan,E 
(2384) chess.com INT 2023 0-1 (41)}) 8. Bd3 $146 ({RR} 8. Be2 dxc4 9. Bxc4 Nb6
10. Be2 Be6 11. Qc2 Nfd5 12. Be5 Nxc3 13. bxc3 Nc4 14. Bxg7 Kxg7 15. O-O b5 16.
Ng5 Qd6 17. e4 f5 18. e5 Qd7 19. a4 Bd5 20. axb5 cxb5 21. Rfb1 e6 22. Ra6 Qe7 {
Pujol Clua,R (2160)-Fieschi,L Barcelona 1996 1-0 (31)}) 8... Nh5 9. Bg5 Re8 10.
cxd5 c5 11. d6 Nhf6 12. Bc4 e6 13. O-O a6 14. a4 Nb6 15. dxc5 Nxc4 16. Qxc4 Qd7
17. Ne5 Qd8 18. Rad1 Bd7 19. Qf4 Bc6 20. b4 h6 21. Bxh6 Bxh6 22. Qxh6 Nd5 23.
Ne4 Nf6 24. Ng5 Rf8 25. Rd4 Be4 26. Rxe4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Carvalho, Vitor Augusto"]
[Black "Almeida, Tiago"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d3 d5 4. exd5 Qxd5 5. Nc3 Qd8 6. Be2 ({RR} 6. g3 Bg4 7.
h3 Bh5 8. Bg2 e6 9. O-O Be7 10. Be3 Nf6 11. g4 Bg6 12. d4 O-O 13. dxc5 Nd7 14.
Nd4 Nxd4 15. Bxd4 Nxc5 16. Bxc5 Bxc5 17. Qxd8 Rfxd8 18. Ne4 Bb6 19. Rad1 Kf8
20. c4 Bd4 {Golovin,L (2448)-Romanov,E (2594) Voronezh 2010 0-1 (46)}) ({RR} 6.
Be3 e6 7. g3 Nf6 8. Bg2 Be7 9. O-O Nd5 10. Bd2 O-O 11. Re1 Bf6 12. Ne4 Bxb2 13.
Rb1 Bd4 14. c3 Bf6 15. Nxc5 Nxc3 16. Bxc3 Bxc3 17. Re2 Qe7 18. Ne4 Bf6 19. Qa4
Rd8 20. Rd2 Rb8 {Chemin,J (2040)-Zhong,K (2156) chess.com INT 2023 0-1}) 6...
Nf6 7. Bf4 g6 $146 ({RR} 7... e6 8. O-O Be7 9. Qd2 O-O 10. Rad1 b6 11. d4 Bb7
12. Rfe1 cxd4 13. Nxd4 Nxd4 14. Qxd4 Qxd4 15. Rxd4 Bc5 16. Rdd1 Bb4 17. Bd6
Bxc3 18. bxc3 Rfc8 19. c4 Ne4 20. Be5 f6 21. Bb2 Rd8 22. Bd3 {Maksl,D (1615)
-Bucar,N (1848) Sentjur 2008 0-1 (61)}) 8. O-O Nh5 9. Be3 b6 10. d4 Bg7 11. Bb5
Bd7 12. dxc5 bxc5 13. Bxc5 O-O 14. Re1 Qc8 15. Nd5 Kh8 16. Ba3 Rd8 17. Qe2 e6
18. Nc3 a6 19. Ba4 Qb7 20. Ne4 Be8 21. c3 Nf4 22. Qc2 Ne5 23. Nxe5 Bxe5 24.
Bxe8 Rxe8 25. g3 Nh3+ 26. Kg2 Ng5 27. f3 Nxf3 28. Kxf3 f5 29. Kf2 fxe4 30. Qxe4
Qb6+ 31. Qe3 Bc7 32. Qxb6 Bxb6+ 33. Ke2 Ra7 34. Rad1 Kg7 35. Rf1 Rb7 36. Rd6 a5
37. c4 e5 38. c5 Bxc5 39. Bxc5 Rxb2+ 40. Rd2 Reb8 41. Bf8+ Kg8 42. Ba3 R2b5 43.
Rd7 R5b7 44. Rd5 Rb5 45. Rd7 R5b7 46. Rf8+ Rxf8 47. Rxb7 Rc8 48. Rb2 Kf7 49.
Bd6 Ke6 50. Bb8 Rc5 51. Ba7 Rd5 52. Be3 h5 53. a4 Kf5 54. Rb5 Rd7 55. Bf4 Re7
56. Rxa5 Kg4 57. Rxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Carvalho, Willian"]
[Black "Carmo, Jose Arlindo"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "203"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5
Nbd7 9. f3 Nxd5 10. exd5 Bf5 11. Bd3 Bxd3 12. Qxd3 Be7 13. O-O-O ({RR} 13. O-O
O-O 14. c4 f5 15. Rac1 b6 16. Nd2 Qc7 17. b4 a5 18. a3 axb4 19. axb4 Ra4 20.
Qb3 Rfa8 21. Bf2 b5 22. cxb5 Qb7 23. Qc4 Nf6 24. Qc6 Rb8 25. b6 Nxd5 26. Qxa4
Nxb6 27. Qb5 Nd5 {Souza,L (2335)-Aarav,D (2377) chess.com INT 2023 1/2-1/2 
(111)}) 13... Bg5 14. g3 $146 ({RR} 14. Kb1 Bxe3 15. Qxe3 O-O 16. c4 a5 17. Rc1
Qf6 18. a4 Qg6+ 19. Ka2 b6 20. h4 h6 21. g4 f5 22. Rcg1 f4 23. Qc3 Nc5 24. h5
Qg5 25. Ka3 Rfc8 26. Nd2 Rc7 27. Qc2 Rac8 28. Re1 Qd8 {Szalanczy,E (2365)
-Loginov,V (2505) Budapest 1993 1/2-1/2 (72)}) 14... Bxe3+ 15. Qxe3 Rc8 16. Kb1
O-O 17. g4 a5 18. a3 Qc7 19. Rd2 a4 20. Nc1 Nb6 21. Qe4 Nc4 22. Rhd1 Nxd2+ 23.
Rxd2 Qc4 24. Qe3 Rc5 25. Qe4 Rfc8 26. Qf5 Qf4 27. Qd3 Rc4 28. Ne2 Qxh2 29. Nc3
Qg1+ 30. Ka2 Qd4 31. Qe2 Qb6 32. Qd3 Rd4 33. Qf5 Qd8 34. Rxd4 exd4 35. Nxa4 g6
36. Qd3 Qc7 37. Qxd4 Qxc2 38. Nc3 Qg2 39. Ne4 Qxf3 40. Nf6+ Kf8 41. Nxh7+ Kg8
42. Nf6+ Kf8 43. Ne4 Ke7 44. Qb4 Rd8 45. Qxb7+ Rd7 46. Qb4 Qxg4 47. Qe1 Kf8 48.
Nf6 Qc4+ 49. Ka1 Rc7 50. Qe8+ Kg7 51. Qd8 Qc1+ 52. Ka2 Qc4+ 53. Ka1 Qf1+ 54.
Ka2 Rc1 55. Ne8+ Kh7 56. Qh4+ Kg8 57. Nf6+ Kg7 58. Ne8+ Kf8 59. Qh8+ Ke7 60.
Nxd6 Kxd6 61. Qd8+ Ke5 62. Qe7+ Kd4 63. Qa7+ Kxd5 64. Qd7+ Ke4 65. Qe7+ Kd3 66.
Qd6+ Ke3 67. Qe7+ Kd2 68. Qb4+ Ke2 69. Qe7+ Kd3 70. Qd6+ Ke2 71. Qe7+ Kf2 72.
Qxf7+ Kg1 73. Qxg6+ Qg2 74. Qb6+ Kf1 75. Qa6+ Qe2 76. Qf6+ Qf2 77. Qa6+ Kg2 78.
Qg6+ Qg3 79. Qe4+ Qf3 80. Qg6+ Kf2 81. Qb6+ Qe3 82. Qf6+ Ke2 83. Qa6+ Ke1 84.
Qa5+ Kd1 85. Qd5+ Ke2 86. Qb5+ Kf2 87. Qf5+ Kg3 88. Qg6+ Kh4 89. Qf6+ Kh5 90.
Qh8+ Qh6 91. Qe5+ Kg4 92. Qe4+ Qf4 93. Qg6+ Kf3 94. Qd3+ Kf2 95. Kb3 Qf7+ 96.
Kb4 Qb7+ 97. Ka4 Qa7+ 98. Kb3 Qe3 99. Qxe3+ Kxe3 100. a4 Kd4 101. Kb4 Kd5 102.
Kb5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cicuto, Marcelo Cezar"]
[Black "Bocca, Edson Ricardo"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. g3 e5 3. Bg2 Be7 4. Nc3 c6 5. e3 O-O ({RR} 5... d5 6. b3 e4 7.
Nge2 Nbd7 8. cxd5 cxd5 9. Nf4 Ne5 10. O-O Bg4 11. Qc2 Rc8 12. Nfxd5 Nxd5 13.
Qxe4 Nxc3 14. dxc3 Qc7 15. Bb2 Be2 16. Rfe1 Ba6 17. c4 f6 18. f4 Ng6 19. Rad1
O-O 20. Qe6+ {Wetterling,M (1619)-Rotaermel,L (1427) Reinstorf GER 2022 0-1})
6. Nge2 Re8 7. O-O d6 8. d4 $146 ({RR} 8. b3 d5 9. cxd5 cxd5 10. d4 e4 11. Nf4
Bb4 12. Na4 b6 13. Bd2 Bd6 14. Nh5 Nbd7 15. Nxf6+ Nxf6 16. b4 Ba6 17. Re1 Qd7
18. Nb2 Rac8 19. a4 Rc7 20. b5 Bb7 21. Qb3 Rec8 22. Rec1 Qg4 {Stolze,D (1420)
-Ditz,R (1828) Leipzig 2007 1/2-1/2 (58)}) 8... Bf5 9. e4 Bg6 10. f4 exf4 11.
Nxf4 Nbd7 12. Nxg6 fxg6 13. Ne2 Bf8 14. Qc2 Qe7 15. Nc3 Qd8 16. Bf4 Qb6 17.
Rad1 Nh5 18. Kh1 Nxf4 19. Rxf4 Qc7 20. Rdf1 Be7 21. Qf2 Rf8 22. Bh3 Bg5 23.
Be6+ Rf7 24. Rxf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cinta Larga, Carlos E"]
[Black "Teixeira, Jonas"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 a6 5. a4 Be7 6. d4 cxd4 7. Nxd4 d6 8. O-O
Qc7 $146 ({RR} 8... Nxd4 9. Qxd4 Bf6 10. Qd3 Ne7 11. Bf4 e5 12. Bg3 O-O 13. f4
exf4 14. Bxf4 Be5 15. Nd5 Nc6 16. Qg3 Be6 17. Bxe5 Nxe5 18. Nf6+ Kh8 19. Bxe6
Qb6+ 20. Kh1 fxe6 21. Nh5 Ng6 22. Qg4 Qc5 23. e5 {Furneau,D-Ayyoubi,S (2200)
Mallorca 2004 0-1 (80)}) 9. Nxc6 Qxc6 10. Qe2 Nf6 11. Bb5 axb5 12. axb5 Qc7 13.
Rxa8 O-O 14. Bg5 h6 15. Bh4 g5 16. Bg3 e5 17. Nd5 Nxd5 18. exd5 f5 19. b6 Qxb6
20. Bxe5 dxe5 21. Qc4 Qc5 22. Qb3 Kg7 23. Re1 e4 24. Re3 Bf6 25. c3 Rf7 26. Qc2
Rd7 27. g4 Rxd5 28. b4 Qc4 29. gxf5 Bxf5 30. Ra3 Bd4 31. Rg3 e3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Correa, Joao Pedro"]
[Black "Uczai, Joao Pedro"]
[Result "0-1"]
[ECO "C04"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Bxc6 bxc6 8. c4
c5 ({RR} 8... dxc4 9. Nxc4 Nb6 10. b3 c5 11. Bg5 Qd7 12. Rc1 Bb7 13. O-O h6 14.
Be3 Nxc4 15. Rxc4 Rd8 16. Qc2 Bd5 17. Rc3 Bxf3 18. gxf3 Qd5 19. dxc5 Qxe5 20.
Rc4 Qd5 21. Rd4 Qxf3 22. Rxd8+ Kxd8 23. Qd3+ {Korneev,O (2617)-Kuzubov,Y (2615)
Voronezh 2013 1/2-1/2 (49)}) ({RR} 8... dxc4 9. Nxc4 c5 10. d5 Nb6 11. Nxb6
cxb6 12. d6 f6 13. O-O Bb7 14. Re1 Kf7 15. a4 Bd5 16. Ra3 fxe5 17. Nxe5+ Kg8
18. Rd3 Qxd6 19. Nc4 Qc6 20. Nxb6 Rd8 21. Bg5 Rd6 22. a5 h6 23. Bf4 {Guerra
Tulcan,L (2310)-Seletsky,G (2220) chess.com INT 2023 0-1 (97)}) 9. cxd5 Bb7
$146 ({RR} 9... exd5 10. O-O cxd4 11. Nxd4 c5 12. e6 cxd4 13. exf7+ Kxf7 14.
Qh5+ Ke6 15. Re1+ Kd6 16. Nb3 Nf6 17. Bf4+ Kc6 18. Qe5 Kb6 19. Rac1 d3 20. Qc3
Ka7 21. Bc7 {1-0 (21) King,D (2365)-Formanek,E (2330) London 1982}) 10. dxe6
fxe6 11. O-O Be7 12. Qc2 O-O 13. Ne4 Rxf3 14. gxf3 cxd4 15. f4 c5 16. f3 Bd5
17. Rd1 Rc8 18. Kh1 Nf8 19. b3 Ng6 20. Qg2 Qf8 21. Qg4 Qf5 22. Re1 h5 23. Qxf5
exf5 24. Nd2 Nxf4 25. Rf1 Nd3 26. Nc4 Bxc4 27. bxc4 Nxe5 28. Bg5 Bxg5 29. f4
Nxc4 30. fxg5 Ne3 31. Rf4 c4 32. Rc1 Rd8 33. Rf2 d3 34. Rd2 Kf7 35. Kg1 Rd4 36.
h3 Kg6 37. Kf2 Nd5 38. Rcd1 Nc3 39. Rc1 Nd5 40. Rcd1 Kxg5 41. Rg1+ Kf6 42. Rgd1
Nc3 43. Rc1 Ne4+ 44. Ke3 Ke5 45. Rg2 d2 46. Rd1 Rd3+ 47. Ke2 Nc3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Costa, Kerginaldo"]
[Black "Dobuchak, Thiago"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bc4 Nc6 5. d3 a6 6. a4 Bg4 7. O-O e6 8. Nbd2
Be7 9. Re1 Ne5 $146 ({RR} 9... O-O 10. Bb3 d5 11. e5 Nd7 12. h3 Bh5 13. g4 Bg6
14. Bc2 b5 15. d4 Bxc2 16. Qxc2 b4 17. Nf1 Qc7 18. Ng3 bxc3 19. bxc3 Rfb8 20.
Bg5 Nf8 21. Nh5 Qa7 22. Qd2 cxd4 23. cxd4 Bb4 24. Qf4 {Tornon (2181)-Rego,V 
(2115) lichess.org 2019 1-0 (34)}) 10. Qe2 Nxc4 11. Nxc4 b5 12. Ne3 Bh5 13. h3
Rb8 14. Nf1 d5 15. e5 Nd7 16. Ng3 Bg6 17. axb5 axb5 18. d4 c4 19. Nh2 Qb6 20.
Be3 O-O 21. Qg4 b4 22. h4 bxc3 23. bxc3 f5 24. exf6 Nxf6 25. Qh3 Ne4 26. Nxe4
Bxe4 27. Bg5 Bxg5 28. hxg5 e5 29. Rad1 exd4 30. Rxd4 Qb2 31. Qe3 Rb3 32. Rxc4
dxc4 33. Qxe4 Qxf2+ 34. Kh1 Rxc3 35. Rf1 Qc5 36. Qe6+ Kh8 37. Rxf8+ Qxf8 38.
Nf3 Rxf3 39. gxf3 Qxf3+ 40. Kh2 Qh5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cruz, Natan"]
[Black "Olivo, Anibal"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "115"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 Be7 5. Ngf3 Nc6 6. e4 d6 7. c3 O-O 8. Bd3
b6 9. Qe2 $146 ({RR} 9. O-O Bb7 10. Ne1 Nh7 11. Bxe7 Qxe7 12. f4 Rae8 13. Qc2
Nf6 14. Qd1 Nd8 15. e5 Nd5 16. Qe2 c5 17. Ne4 dxe5 18. dxe5 Qc7 19. Nd6 Re7 20.
Nxb7 Qxb7 21. Qe4 f5 22. Qe2 Nf7 23. Bc4 Nh8 {Setikiene,G (1848)-Karsokaite,I 
(1623) Lithuania 2013 1/2-1/2 (68)}) 9... a5 10. O-O Bb7 11. Rad1 Nh7 12. Bg3
Ng5 13. d5 exd5 14. exd5 Nb8 15. c4 Na6 16. h4 Nxf3+ 17. Nxf3 Re8 18. Qe4 g6
19. Qf4 Kg7 20. h5 Bg5 21. Nxg5 Qxg5 22. Qd4+ Qf6 23. Be4 Qxd4 24. Rxd4 Nc5 25.
Bf3 g5 26. Bd1 Bc8 27. f3 Bf5 28. Re1 Rxe1+ 29. Bxe1 Re8 30. Bd2 f6 31. Kf1 Re7
32. a3 Re8 33. Kf2 Bh7 34. b3 Re7 35. b4 axb4 36. axb4 Nd3+ 37. Kf1 Ne5 38. Kf2
Re8 39. f4 gxf4 40. Bxf4 Nd3+ 41. Kg3 Nxf4 42. Kxf4 Re1 43. Bg4 Rf1+ 44. Kg3
Re1 45. Kf2 Re4 46. Rxe4 Bxe4 47. g3 f5 48. Be2 Kf6 49. Ke3 Ke5 50. Bf3 Bc2 51.
Kd2 Be4 52. Ke3 Bc2 53. Be2 Ba4 54. Kd2 Bd7 55. Ke3 Be8 56. b5 Bd7 57. Bf3 Be8
58. g4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Cunha, Lucas Aguiar"]
[Black "Soares, Joao Carlos"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 Qc7 12. Bg5 O-O 13. Bh4 Nh5 14. Bg3 Nxg3
15. hxg3 g6 16. Rc1 a6 17. Bb1 Qg7 18. Qd2 Bd7 19. a3 Rad8 $146 ({RR} 19... Rf6
20. Qe3 Raf8 21. Ne5 Bxe5 22. dxe5 R6f7 23. f4 g5 24. Rf3 d4 25. Nxd4 Nxd4 26.
Qxd4 Bc6 27. Be4 Rd7 28. Qe3 gxf4 29. gxf4 Bxe4 30. Qxe4 Rd2 31. Rf2 Rxf2 32.
Kxf2 Rd8 33. Rc2 Qe7 34. Qf3 {Dudzinski,P (2186)-Aizpurua,P (2302) chess.com
INT 2022 1-0 (46)}) ({RR} 19... Rf7 20. Ng5 Rf6 21. f4 Raf8 22. b4 Bc7 23. Nf3
Bb6 24. Qe3 R6f7 25. Ne5 Nxe5 26. fxe5 Bb5 27. Rxf7 Qxf7 28. Nf4 Bc4 29. Bd3 g5
30. Nh3 Bxd3 31. Qxd3 Qf5 32. Qe3 Qg4 33. Qxg5+ Qxg5 {0-1 (33) Kralevski,A 
(2028)-Nikolovski,N (2340) Skopje MKD 2023}) ({RR} 19... b5 20. b4 Rac8 21. Bd3
Qf6 22. Qe3 Bb8 23. Nd2 e5 24. dxe5 Nxe5 25. Rxc8 Rxc8 26. Nf4 d4 27. Qxd4 Bc6
28. Rc1 Kg7 29. Be4 Bd7 30. Rxc8 Bxc8 31. Nd5 Qf7 32. Nf3 Qe6 33. Qc3 Kh6 34.
Ng5 {Cunha,L (2287)-Dornelles,M (1986) Florianopolis/SC 2017 1-0 (39)}) 20. Ba2
h6 21. Rc3 g5 22. g4 Ne7 23. Ng3 Bxg3 24. fxg3 Nc6 25. Rd1 Rf6 26. Re3 Rdf8 27.
Qc3 R8f7 28. Bb3 Qf8 29. Ba4 b5 30. Bc2 Qb8 31. Ne5 Nxe5 32. dxe5 Rf2 33. Bf5
R2xf5 34. gxf5 Rxf5 35. Rf1 Rxf1+ 36. Kxf1 b4 37. axb4 Bb5+ 38. Kg1 Qd8 39. Qd4
Qe8 40. Rc3 Qf8 41. Rf3 Qc8 42. Qa7 Be8 43. Qe7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Custodio, Leandro"]
[Black "Santos, Marcus Vinicius"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. Nf3 g6 2. d4 Bg7 3. h4 Nf6 ({RR} 3... c5 4. dxc5 Qa5+ 5. Bd2 Qxc5 6. Bc3 Nf6
7. Nbd2 Nc6 8. e3 O-O 9. Bd3 d5 10. Qe2 Bg4 11. Qf1 a5 12. a3 Rfe8 13. Ne5 Nxe5
14. Bxe5 Rac8 15. Nb3 Qb6 16. Bd4 Qc7 17. f4 a4 18. Nd2 {Darini,P (2432)
-Mamedyarov,S (2770) lichess.org INT 2021 0-1 (44)}) 4. h5 ({RR} 4. c4 e6 5.
Nc3 d5 6. Bg5 h6 7. Bxf6 Bxf6 8. h5 g5 9. e3 c6 10. Qc2 Nd7 11. Be2 Qe7 12. Nd2
Bg7 13. O-O-O Nb6 14. Kb1 f5 15. f3 O-O 16. Rdf1 e5 17. dxe5 Qxe5 18. cxd5 Nxd5
{Avramidou,A (2287)-Kozak,A (2442) chess.com INT 2023 0-1 (61)}) 4... Nxh5 5.
e4 $146 ({RR} 5. Rxh5 gxh5 6. e4 d5 7. e5 Bg4 8. Bd3 Nd7 9. e6 fxe6 10. Qe2 Nf6
11. Nbd2 Qd6 12. b3 O-O-O 13. Bb2 Kb8 14. O-O-O Bh6 15. Kb1 Bxd2 16. Qxd2 Ne4
17. Bxe4 dxe4 18. Ne5 Bxd1 19. Qxd1 Qxe5 {jredard (1807)-Rego,V (2411) lichess.
org 2021 0-1 (40)}) 5... d5 6. e5 c5 7. dxc5 Nc6 8. Bb5 O-O 9. Bxc6 bxc6 10.
Rh4 f5 11. g3 Rb8 12. Nbd2 Qa5 13. c3 Qxc5 14. Nb3 Qb6 15. Be3 Qc7 16. Qd4 a5
17. O-O-O e6 18. Rdh1 Re8 19. g4 fxg4 20. Qxg4 Ba6 21. Nc5 Be2 22. Rxh5 gxh5
23. Qxh5 Bxf3 24. Qxh7+ Kf7 25. Rg1 Rg8 26. Qg6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Dantas, Neimar"]
[Black "Damasceno, Enzo"]
[Result "1/2-1/2"]
[ECO "E01"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 dxc4 6. O-O b5 7. a4 Bb7 8. Ne5
Qc8 ({RR} 8... a6 9. axb5 axb5 10. Rxa8 Bxa8 11. Nc3 Nd5 12. Bxd5 cxd5 13. Nxb5
Qa5 14. Nc3 Nc6 15. Bf4 Bb4 16. e4 O-O 17. Qg4 h5 18. Nxc6 Bxc6 19. Qxh5 Bxc3
20. bxc3 Qxc3 21. Be5 Qd2 22. Rd1 Qh6 23. Qxh6 {Piket,J (2649)-Lputian,S (2598)
Montecatini Terme 2000 1/2-1/2 (49)}) 9. b3 c5 ({RR} 9... cxb3 10. Qxb3 b4 11.
a5 c5 12. Qa4+ Nbd7 13. dxc5 Bxg2 14. Kxg2 Qxc5 15. Bb2 Bd6 16. Nxd7 Nxd7 17.
Bxg7 Rg8 18. Bb2 Qd5+ 19. Kg1 Ke7 20. Rd1 Qc5 21. Bd4 Qc7 22. Kg2 Rac8 23. Nd2
a6 24. Rac1 {Kleymenova,V (2182)-Galliamova,A (2410) Moscow RUS 2023 1/2-1/2 
(34)}) 10. Bxb7 Qxb7 11. axb5 $146 ({RR} 11. dxc5 Bxc5 12. axb5 cxb3 13. Qxb3
O-O 14. Bb2 Qd5 15. Qxd5 Nxd5 16. Rc1 Bb6 17. Nd2 f6 18. Nec4 Bc5 19. Nb3 Nd7
20. e4 N5b6 21. Nca5 Bd6 22. Rc6 Be5 23. Bxe5 Nxe5 24. Rxe6 Kf7 25. Rd6 Ke7 {
Mueller,C (2088)-Birnkraut,T (2053) Magdeburg 2014 1-0 (44)}) 11... cxb3 12.
Qxb3 cxd4 13. Bb2 Be7 14. Bxd4 O-O 15. Nd2 Nbd7 16. Nc6 Bc5 17. Bxc5 Nxc5 18.
Qc4 Nfd7 19. Rfb1 Rfe8 20. Ne4 Nxe4 21. Qxe4 Nf6 22. Qa4 Nd5 23. Rc1 Nc7 24.
Rab1 a6 25. b6 Nb5 26. Qa5 h6 27. Nb4 Reb8 28. Nxa6 Rxa6 29. Qxb5 Rxb6 30. Qxb6
Qxb6 31. Rxb6 Rxb6 32. Rc8+ Kh7 33. Rc7 Kg8 34. Kg2 g6 35. h4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Deves, Rafael"]
[Black "Freitas, Mauricio"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Nge7 8. Bd3
Bd7 9. Bc2 Nf5 10. Bxf5 exf5 11. O-O Be7 ({RR} 11... h6 12. Nc3 Be6 13. Na4 Qc7
14. Bd2 b5 15. Nc5 Bxc5 16. dxc5 d4 17. Re1 O-O 18. b4 Rfd8 19. Bf4 a5 20. Qd2
Kh7 21. h4 Qd7 22. Qb2 Qd5 23. Bd2 axb4 24. axb4 Qc4 25. Ra3 Rxa3 26. Qxa3 {
Orr,M (2360)-Speelman,J (2610) Bunratty 1997 0-1 (32)}) 12. Nc3 ({RR} 12. b4 h6
13. Bb2 O-O 14. Nc3 Be6 15. Ne2 a5 16. Nf4 axb4 17. axb4 Qxb4 18. Qc2 Qb6 19.
Bc3 Qc7 20. Rab1 Ra3 21. Bb2 Ra2 22. Ra1 Rfa8 23. Rxa2 Rxa2 24. Qb3 Ra5 25. Bc3
Ra3 26. Qb2 Na5 {Zaichenko,D (2104)-Zavortink,M (2193) chess.com INT 2023 1-0 
(58)}) 12... Be6 13. Na4 Qd8 14. b4 $146 ({RR} 14. Re1 O-O 15. b4 b6 16. Bd2
Rc8 17. Nc3 g5 18. b5 Na5 19. h3 Kh8 20. Ne2 Nc4 21. Bb4 Qd7 22. Bxe7 Qxe7 23.
Ng3 g4 24. hxg4 fxg4 25. Nh2 Qg5 26. Qd3 h5 27. Rf1 h4 28. f4 gxf3 {Holdo,K 
(1676)-Duneas,J (2054) Auckland 2017 0-1 (41)}) 14... b6 15. Bd2 O-O 16. b5 Nb8
17. Qb3 Nd7 18. Ne1 f6 19. f4 fxe5 20. fxe5 Bg5 21. Bb4 Re8 22. Nd3 Be3+ 23.
Kh1 Bxd4 24. Rae1 Be3 25. Bd6 d4 26. Qb2 Qg5 27. Qe2 Bc4 28. Nab2 Bxb5 29. Qf3
Ba6 30. Qd5+ Kh8 31. Rf3 f4 32. Nb4 Be2 33. Rxe2 Qf5 34. N4d3 Rac8 35. Rexe3
dxe3 36. Rxf4 Qxf4 37. Nxf4 Rc1+ 38. Nd1 g5 39. Ne2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Duailibi, Ricardo"]
[Black "Barbosa, Marcio Jordao"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bd3 Nc6 6. Nge2 Nb4 7. Bg5 Be7 8.
O-O O-O 9. Ng3 ({RR} 9. Re1 h6 10. Bf4 c6 11. Ng3 Nxd3 12. Qxd3 Re8 13. h3 Bf8
14. Rxe8 Nxe8 15. Re1 Nd6 16. Nb1 Bd7 17. Nd2 Qf6 18. Be5 Qg6 19. Qxg6 fxg6 20.
Ngf1 g5 21. Ne3 Be8 22. c3 Bg6 23. f3 Re8 {Kosikov,A (2460)-Kruppa,Y (2561)
Kiev 2000 1/2-1/2 (42)}) 9... Nxd3 ({RR} 9... g6 10. Re1 Be6 11. f4 c5 12. f5
cxd4 13. Nce2 Bd7 14. Nf4 Ne4 15. Bxe7 Qxe7 16. Nxd5 Nxd5 17. Rxe4 Qc5 18. Qf3
Ne3 19. Qf4 Qc6 20. f6 Rfd8 21. Qh4 Bf5 22. Rxe3 dxe3 23. Nxf5 Kh8 24. Nxe3 {
Maier,C (2394)-Studer,N (2462) Switzerland 2017 1-0 (73)}) 10. Qxd3 h6 11. Bf4
Qd7 $146 ({RR} 11... Bd6 12. Be5 c6 13. Rae1 Bxe5 14. dxe5 Nd7 15. Nd1 Nc5 16.
Qa3 Ne6 17. f4 f5 18. exf6 Qxf6 19. f5 Nd4 20. Ne3 Bd7 21. Qd3 Nb5 22. c4 Qd4
23. Qxd4 Nxd4 24. Rf4 c5 25. Nxd5 Rae8 26. Rxe8 {Leonhardt,P-Teichmann,R San
Sebastian 1912 1/2-1/2 (44)}) 12. Rad1 c6 13. Rfe1 Re8 14. Nb1 Qg4 15. Be5 Bd7
16. Nd2 Qg6 17. Qxg6 fxg6 18. h3 h5 19. f4 h4 20. Ngf1 Nh7 21. Ne3 Rf8 22. Rf1
g5 23. f5 Rae8 24. Rde1 Nf6 25. a3 Bc8 26. c3 b6 27. Rf2 Ba6 28. Ng4 Bd8 29. b4
Nd7 30. Re3 Bb5 31. Ref3 Nf6 32. Nf1 Ne4 33. Rc2 Be7 34. Nd2 Be2 35. Re3 Bd1
36. Rc1 Bxg4 37. Nxe4 Bxf5 38. Nf2 g4 39. Rce1 Bg5 40. R3e2 g3 41. Ng4 Bd3 42.
Rb2 Rf5 43. Rd1 Ref8 44. Rbb1 Bxb1 45. Rxb1 Bd2 46. Bd6 Re8 47. Ne5 Bxc3 48.
Nxc6 Rf6 49. Ne7+ Kf7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Farias, Igor"]
[Black "Ferreira, Thales"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. c4 Nc6 3. g3 e5 4. Nc3 g6 5. Bg2 Bg7 6. O-O d6 7. d3 Nge7 8. e4
O-O 9. Nh4 f5 ({RR} 9... Nd4 10. Rb1 Nec6 11. a3 g5 12. Nf3 Bg4 13. Nxd4 Bxd1
14. Nxc6 bxc6 15. Nxd1 Rb8 16. Bd2 g4 17. Bc3 Bh6 18. h3 Qd7 19. Kh2 f5 20.
exf5 Qxf5 21. Be4 Qh5 22. Bxc6 Qxh3+ 23. Kg1 Rf3 {0-1 (23) Kleissl,H (2275)
-Sermek,D (2575) Zillertal 1997}) ({RR} 9... Nd4 10. Be3 Nec6 11. Nd5 h6 12.
Qd2 Kh7 13. b4 Be6 14. b5 Bxd5 15. cxd5 Ne7 16. Bxd4 cxd4 17. Bh3 f5 18. Ng2
Ng8 19. f3 Nf6 20. Ne1 Nd7 21. Nc2 Nc5 22. a4 Qg5 23. Qb4 Rad8 24. Rfd1 {
Kovacevic,R (2049)-Duarte,L (2299) chess.com INT 2023 0-1 (51)}) 10. exf5 Nxf5
11. Nxf5 Bxf5 12. Nd5 $146 ({RR} 12. Be3 Qd7 13. a3 Kh8 14. Rb1 a6 15. Nd5 Rae8
16. b4 cxb4 17. axb4 b5 18. Rb3 Bh3 19. Nb6 Qe6 20. Bxc6 Bxf1 21. Bxe8 {
1-0 (21) Reyes,J (2113)-Lopez Hernandez,C (2321) Cali 1999}) 12... Rb8 13. Be3
Qd7 14. Be4 Bh3 15. Re1 b5 16. cxb5 Rxb5 17. Qa4 Nb4 18. Nxb4 Rxb4 19. Qxd7
Bxd7 20. b3 Be6 21. Rac1 Rb6 22. Bg2 Rfb8 23. d4 cxd4 24. Bxd4 Ra6 25. Rc6 Rxc6
26. Bxc6 Rc8 27. Bf3 Rc7 28. Bb2 Rc2 29. Re2 Rxe2 30. Bxe2 Kf7 31. f3 Bh6 32.
Kf2 Bd5 33. Bc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Fedrizzi, Roberto"]
[Black "Oliveira Filho, Fernando"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ngf3 Qb6 6. exd5 exd5 7. Nb3 c4 8.
Nbd2 ({RR} 8. Nc5 Bd6 9. b3 cxb3 10. Qxb3 Nf6 11. Bd3 O-O 12. O-O Qc7 13. Rb1
Na5 14. Qb5 b6 15. Na6 Bxa6 16. Qxa6 Ne4 17. Bb2 Rfc8 18. h3 Nc4 19. Rfc1 Qd7
20. Rc2 Qf5 21. Bc1 Qe6 22. Bxc4 Rxc4 {Weiler,W (2149)-Toth,L (2236) Budapest
2007 0-1}) 8... Qc7 9. a4 $146 ({RR} 9. Be2 Be7 10. O-O Nf6 11. Re1 Bf5 12. Ne5
O-O 13. Nf1 Bd6 14. Ng3 Bg6 15. Nxg6 hxg6 16. Bf3 Bf4 17. Be3 Rfe8 18. Qd2 Bxe3
19. Rxe3 Rxe3 20. Qxe3 Re8 21. Qd2 Qd6 22. Re1 Rxe1+ 23. Qxe1 Qe7 {Riego
Prieto,V-Hardt,G Lugano 1968 1-0 (42)}) ({RR} 9. Be2 Nf6 10. O-O Bd6 11. b3 b5
12. a4 b4 13. bxc4 bxc3 14. Nb1 Ne4 15. cxd5 Nb4 16. Bb5+ Kf8 17. Qe2 Bf5 18.
Na3 Nxd5 19. Nc4 Nf4 20. Bxf4 Bxf4 21. Ne3 Bxe3 22. fxe3 Bg4 23. Qd3 Bf5 {
Janouskova,A (1561)-Grunert,H (1342) Prague CZE 2022 1/2-1/2 (42)}) 9... Na5
10. Be2 Nf6 11. O-O Bd6 12. Qc2 Bg4 13. h3 Bh5 14. b3 Bg6 15. Qb2 O-O 16. bxc4
dxc4 17. Qa2 Rac8 18. Ba3 Ne4 19. Bxd6 Qxd6 20. Nxe4 Bxe4 21. Ne5 Bd5 22. Rae1
f6 23. Ng4 Qf4 24. Ne3 Be6 25. d5 Bf7 26. Bg4 Rcd8 27. Be6 Kh8 28. Bxf7 Rxf7
29. Re2 Re7 30. Rfe1 h6 31. Qc2 Qe4 32. Qd1 Qd3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Ferreira, Andrei"]
[Black "Santos, Jarlison"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 {Oratovsky,M} d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. O-O-O b5 7.
f3 O-O 8. Bh6 Qa5 9. Bxg7 ({RR} 9. Kb1 b4 10. Nce2 Nbd7 11. h4 c5 12. h5 c4 ({
RR} 12... Nxh5 13. Rxh5 gxh5 14. Qg5) 13. hxg6 fxg6 14. Bxg7 Kxg7 15. c3 ({RR} 
15. Qh6+ Kf7 ({RR} 15... Kg8 16. Nf4 Ba6 17. Nxg6) 16. Nh3 c3 17. Ng5+ Ke8 18.
Nxh7) 15... Rb8 16. Rc1 Ba6 17. Nh3 ({RR} 17. Nf4 Kg8 18. cxb4 Qxb4 19. Qxb4
Rxb4 20. Nge2 Rfb8) 17... Rb6 18. cxb4 Rxb4 19. Nc3 ({RR} 19. Nhf4 Rxb2+ 20.
Qxb2 Rb8) 19... Rfb8 20. Rc2 e5 ({RR} 20... Nb6 21. Ng5 Na4 22. Nxa4 Qxa4 23.
e5) 21. Ng5 Nf8 22. f4 Nh5 23. f5 Nf6 {Matikozian,A (2427)-Minasian,A (2600)
Yerevan 1999 CBM 074 [Oratovsky,M] 0-1 (53)}) ({RR} 9. Kb1 b4 10. Nce2 Be6 11.
Nc1 Nbd7 12. h4 Nb6 13. Nb3 Bxb3 14. cxb3 c5 15. h5 cxd4 16. Bxg7 Kxg7 17. hxg6
fxg6 18. Qxd4 Rac8 19. f4 Qc5 20. Qxc5 Rxc5 21. Bd3 Ng4 22. Nh3 e5 23. Ng5 Rxf4
{Kislov,O (2249)-Ochedzan,T (2180) chess.com INT 2021 1-0 (45)}) 9... Kxg7 10.
h4 h5 11. e5 dxe5 $146 ({RR} 11... Nh7 12. Bd3 b4 13. Nb1 dxe5 14. dxe5 Qxe5
15. g4 Nf6 16. gxh5 Nxh5 17. Ne2 Bf5 18. f4 Qf6 19. Bxf5 Qxf5 20. Rdg1 e6 21.
Rg5 Qf6 22. Rhg1 Rh8 23. Qxb4 Nd7 24. Nbc3 Rab8 25. Qd6 Qd8 26. Nd4 {Nguyen,
T-Nguyen Huu Hoang,A Ho Chi Minh City 2005 1-0 (36)}) 12. dxe5 Ne8 13. Qf4 Be6
14. a3 Nc7 15. g4 Rh8 16. Nge2 Nba6 17. Nd4 Nd5 18. Nxe6+ fxe6 19. Nxd5 exd5
20. e6 Raf8 21. Qd4+ Kh7 22. gxh5 Qc7 23. hxg6+ Kg8 24. g7 Qf4+ 25. Qxf4 Rxf4
26. gxh8=Q+ Kxh8 27. Rh3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Filgueiras, Nathan"]
[Black "Piccoli, Lucas"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "143"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O a6 6. Nbd2 d6 7. c3 Ba7 8. Bb3
O-O 9. h3 h6 10. Re1 Re8 11. Nf1 Be6 12. Bc2 d5 13. exd5 Bxd5 14. Ng3 Qd6 15.
Nh4 Ne7 16. Be3 Bxe3 17. Rxe3 Bc6 $146 ({RR} 17... Ng6 18. Nxg6 fxg6 19. Qe2
Qc6 20. f3 Qb6 21. Ba4 Bc6 22. Bb3+ Kh7 23. Kh2 a5 24. Re1 Rad8 25. Qc2 Qc5 26.
Bf7 Qd6 27. Bxe8 Rxe8 28. Ne4 Bxe4 29. dxe4 Rd8 30. Rf1 Nh5 31. g3 Qd2+ 32. Re2
{Rodriguez Redondo,A (2123)-Lazaro Pujol,A (2293) Platja d'Aro ESP 2023 0-1 
(68)}) 18. Qe1 Ned5 19. Ngf5 Qf8 20. Rxe5 g6 21. Nd4 Rxe5 22. Qxe5 Re8 23. Qg3
Nh5 24. Qg4 Ndf6 25. Qd1 Bd7 26. b4 c5 27. bxc5 Qxc5 28. Qd2 g5 29. Nhf3 Nf4
30. Re1 Rc8 31. c4 Ng6 32. Nb3 Qc7 33. d4 Nf4 34. Ne5 Be6 35. Nc5 Bxc4 36. Nxc4
b6 37. Ne3 bxc5 38. Nf5 Rd8 39. Nxh6+ Kf8 40. Qc3 Qc6 41. Qxc5+ Qxc5 42. dxc5
Rd2 43. Bb3 Nd3 44. Rd1 Rxd1+ 45. Bxd1 Nxc5 46. Nf5 Nd5 47. Nd4 Nc3 48. Bb3 a5
49. Bc4 N5e4 50. Nb5 Nd1 51. f3 Nd2 52. Be2 Ne3 53. Kf2 Nc2 54. Bd3 Nb4 55. Ke3
Nxd3 56. Kxd3 Nf1 57. Na3 f5 58. Nc4 a4 59. Nb6 a3 60. Nc4 f4 61. Nxa3 Ne3 62.
Nc4 Nxg2 63. a4 Ke7 64. Ke4 Kd7 65. Kf5 Nh4+ 66. Kg4 Kc6 67. Nd2 Kc5 68. Kxg5
Ng2 69. h4 Ne3 70. Kxf4 Nd5+ 71. Ke5 Nc3 72. Ne4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Fogaca, Vinicius"]
[Black "Pereira, Mateus Oliveira"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 O-O 6. Be3 Nbd7 7. Nge2 Re8 8. Qd2
e5 9. d5 c6 ({RR} 9... Nb6 10. Ng3 Bd7 11. Be2 Qe7 12. O-O Rad8 13. Nb5 Nc8 14.
Nxc7 Rf8 15. Nb5 Ne8 16. Nxa7 f5 17. Bg5 Bf6 18. Nxc8 Rxc8 19. Bxf6 Qxf6 20.
exf5 gxf5 21. f4 Qg6 22. Qb4 Rc7 23. Qb3 Bc8 24. Bh5 {Riazantsev,A (2603)
-Lindschau,E (2103) Hamburg 2005 1-0}) ({RR} 9... Nb6 10. Nc1 Bd7 11. b4 Nc8
12. Nb3 c6 13. dxc6 bxc6 14. Be2 Be6 15. O-O Ne7 16. b5 cxb5 17. Nxb5 Nc8 18.
Rfd1 Bf8 19. c5 d5 20. exd5 Nxd5 21. Bg5 Nce7 22. Nd6 f6 23. Bh4 Nf4 24. Nxe8 {
Mikhalsky,V (2219)-Chaikovskiy,M chess.com INT 2023 1-0 (57)}) 10. g4 $146 ({RR
} 10. dxc6 bxc6 11. Qxd6 Re6 12. Qd2 Bf8 13. Nc1 a5 14. Be2 a4 15. Nd3 Nb6 16.
Nf2 Qc7 17. O-O Rd6 18. Qc2 Rd4 19. b3 a3 20. Rad1 Rxd1 21. Rxd1 Be6 22. Nd3
Nbd7 23. Na4 Nh5 24. Bf1 f5 {Spassov,L (2417)-Stanoev,A (2259) Radomir 2009 1/
2-1/2 (38)}) 10... cxd5 11. cxd5 Re7 12. Ng3 a6 13. h4 h5 14. gxh5 Nxh5 15.
Nxh5 gxh5 16. Bd3 Nf6 17. Bh6 Bxh6 18. Qxh6 Re8 19. Rg1+ Ng4 20. Qxh5 Kf8 21.
fxg4 Qa5 22. Rf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Fontoura, Alexandre"]
[Black "Setti, Eduardo"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. Nf3 Nf6 ({RR} 4... Bxf3 5. exf3 e6 6. f4 c6 7.
Qe2 Qe7 8. h4 h5 9. g3 Nf6 10. f5 exf5 11. Bxf6 gxf6 12. Qe3 Qe6 13. Qxe6+ fxe6
14. f3 Be7 15. f4 Bc5 16. Nc3 Rg8 17. Ne2 d4 18. Bh3 d3 19. cxd3 {Vallejo Pons,
F (2701)-Llobel Cortell,E (2385) Valencia ESP 2021 1-0}) ({RR} 4... Bxf3 5.
exf3 e6 6. g3 Nf6 7. f4 g6 8. Bg2 Bg7 9. O-O O-O 10. d3 c5 11. Nd2 Nc6 12. a3
a5 13. a4 Ne8 14. Bxg7 Nxg7 15. Re1 Qd6 16. Nf3 Nf5 17. Ne5 Rac8 18. h4 h5 19.
Qd2 {Sokolovsky,Y (2460)-Makarian,R (2562) chess.com INT 2023 1/2-1/2 (120)})
5. d3 $146 ({RR} 5. g3 Bxf3 6. exf3 Nbd7 7. d4 a5 8. a4 e6 9. Bg2 h5 10. h4 Bd6
11. O-O c6 12. c4 Qc7 13. f4 Ng4 14. Nd2 Rh6 15. Nf3 Rg6 16. Ne5 Ndxe5 17. fxe5
Be7 18. Qd2 Qd8 19. Qf4 Qb6 {Sokolovsky,Y (2416)-Ladan,N (2149) chess.com INT
2022 1-0 (62)}) 5... c5 6. Nbd2 Bg6 7. Nh4 e6 8. Nxg6 hxg6 9. e4 Nc6 10. g3 Bd6
11. Bg2 d4 12. Qe2 Qc7 13. Nc4 Be7 14. a4 e5 15. Bc1 O-O-O 16. Bg5 Kb8 17. Kd1
Nxe4 18. Qxe4 Bxg5 19. h4 f5 20. Qe2 Bf6 21. Kc1 e4 22. Kb2 exd3 23. cxd3 Rhe8
24. Qf3 Re7 25. Rhe1 Rde8 26. Rxe7 Qxe7 27. Qf4+ Qc7 28. Qf3 Nb4 29. Rd1 Re7
30. a5 Qd8 31. Rd2 a6 32. Nb6 Nc6 33. Nd5 Qxa5 34. Rc2 Re1 35. Rc1 Qd2+ 36. Rc2
Qa5 37. Rc1 Ne5 38. Qf4 g5 39. hxg5 Bxg5 40. Qxg5 Nxd3+ 41. Kc2 Qa2+ 42. Kxd3
Qe2# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Freitas, Filipe"]
[Black "Pinheiro, Pedro"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Nc3 Nf6 6. h3 Be7 ({RR} 6... a6 7.
Ba4 Be7 8. d3 O-O 9. a3 Nd4 10. Bxd7 Nxf3+ 11. Qxf3 Qxd7 12. Be3 c6 13. Rad1 d5
14. exd5 cxd5 15. Bg5 d4 16. Ne2 Rac8 17. c4 dxc3 18. Nxc3 Nd5 19. Bxe7 Nxe7
20. Rfe1 Nc6 21. Qg3 {Babazada,K (2427)-Rozen,E (2380) chess.com INT 2022 1-0 
(39)}) 7. Ne2 $146 ({RR} 7. d3 a6 8. Ba4 b5 9. Bb3 Na5 10. d4 Nxb3 11. cxb3
exd4 12. Nxd4 b4 13. Nd5 Nxd5 14. exd5 c5 15. Nc6 Bxc6 16. dxc6 Rc8 17. Qf3 Qc7
18. Re1 O-O 19. Qg4 Bf6 20. Bf4 Qxc6 21. Qg3 Bxb2 {Conde Arroyo,J-Fernandez de
la Fuente,J Valladolid 1982 0-1 (49)}) 7... d5 8. exd5 Nxd5 9. d3 Bc5 10. Re1
Qe7 11. d4 Bb6 12. Nc3 Nxc3 13. bxc3 O-O-O 14. Bxc6 Bxc6 15. Nxe5 Qf6 16. Qg4+
Bd7 17. Nxd7 Rxd7 18. a4 a6 19. Bg5 Qc6 20. Bd2 h5 21. Qxg7 Rdd8 22. Qxf7 Rhg8
23. f3 Rdf8 24. Qxh5 Rxf3 25. Kh1 Rf1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Gazineu Neto, Rubens"]
[Black "Mota, Romulo Cardoso"]
[Result "1/2-1/2"]
[ECO "B35"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bg7 7. Bc4 O-O 8.
Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 f5 ({RR} 11... a5 12. Bd4 d6 13.
Bxg7 Kxg7 14. Qd4+ e5 15. Qd3 f5 16. O-O fxe4 17. Qxe4 Rf4 18. Qe2 Bd7 19. Nd5
Rf7 20. Rad1 Bc6 21. c4 Qg5 22. f3 Raf8 23. Kh1 Qh4 24. Rfe1 Rf5 25. Qe4 Qh6
26. Qe3 {Leko,P (2666)-Sadikhov,U (2502) Budva MNE 2019 1-0 (50)}) ({RR} 11...
d6 12. h4 h5 13. Qd2 Be6 14. O-O-O a5 15. Kb1 a4 16. bxa4 b5 17. Bh6 Bxh6 18.
Qxh6 bxa4 19. Nd5 Rb8 20. Rd3 Bxd5 21. Rxd5 Qb6 22. Qc1 Rfc8 23. g4 e6 24. Rd3
Rc5 25. gxh5 Rxh5 26. Rg1 {Nilsen,T (2265)-Harsh,S (2261) chess.com INT 2023
1-0 (71)}) 12. Bd4 d6 13. Bxg7 Kxg7 14. O-O $146 ({RR} 14. Rxa7 Rxa7 15. Qd4+
e5 16. Qxa7 fxe4 17. O-O Rf7 18. Nxe4 Qc7 19. c4 Qc6 20. Qe3 Bf5 21. Nc3 Bc2
22. Nd5 b5 23. Nb4 Qe4 24. Qc3 Bb1 25. cxb5 Qf5 26. b6 Be4 27. Qe3 Bb7 28. h3
Qe6 {Berecz,A (2108)-Pasztorcsik,J (2129) Hungary 2004 1-0 (41)}) 14... f4 15.
f3 a6 16. Nd5 e6 17. Qd4+ e5 18. Qf2 Be6 19. Rfd1 Rc8 20. Rd2 Rf7 21. Rad1 Rc6
22. c3 Rd7 23. b4 b5 24. Ra1 Rf7 25. Kf1 Qg5 26. Rad1 Qd8 27. Ra1 Qg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Jenidarchiche, Douglas"]
[Black "Santos, Matheus Garcett"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "222"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 Na6 7. Be3 c5 8. d5 e6
9. Bd3 ({RR} 9. dxe6 Bxe6 10. Be2 Qb6 11. Rb1 Rfe8 12. O-O Bd7 13. Nd2 Nb4 14.
a3 Nc6 15. b4 Rad8 16. Na4 Qc7 17. bxc5 Bc8 18. Qc2 dxc5 19. Nxc5 Qe7 20. Bf3
Nd4 21. Bxd4 Rxd4 22. Ncb3 Rdd8 23. a4 Nd7 {Karpov,A (2616)-Ivanchuk,V (2771)
Cap d'Agde 2012 1-0 (47)}) 9... exd5 10. cxd5 ({RR} 10. exd5 Nb4 11. Be2 Bf5
12. Rc1 Re8 13. a3 Na6 14. Bd3 Ne4 15. Nxe4 Bxe4 16. Bxe4 Rxe4 17. Qc2 Re8 18.
O-O Nb8 19. b4 Nd7 20. bxc5 dxc5 21. Qd2 b6 22. a4 Ne5 23. Nxe5 Rxe5 24. Rfe1
Qe8 {Yurasova,D (2032)-Nosacheva,M (2165) Chelyabinsk RUS 2023 1-0 (46)}) 10...
Re8 11. O-O Nc7 $146 ({RR} 11... Bd7 12. a4 Qb6 13. Nd2 Qxb2 14. Nb5 Bxb5 15.
axb5 Nb4 16. Nc4 Qxa1 17. Qxa1 Nxd3 18. Qb1 {1-0 (18) Nosenko,A (2521)-Krupko,
A (2232) Yuzhny 2011}) 12. Nd2 a6 13. a4 b6 14. Nc4 Rb8 15. Bf4 Bf8 16. Qf3 b5
17. axb5 axb5 18. Na5 Bd7 19. Bg5 Be7 20. b3 Nfxd5 21. Bxe7 Nxe7 22. Rfd1 Ne6
23. e5 Nd4 24. Qf6 dxe5 25. Ne4 Nd5 26. Qd6 Be6 27. Qxe5 Qb6 28. Rdc1 Bf5 29.
Qxd5 Bxe4 30. Bxe4 Ne2+ 31. Kh1 Nxc1 32. Nc6 Rbd8 33. Nxd8 Rxd8 34. Ra8 Rf8 35.
Rxf8+ Kxf8 36. Qa8+ Ke7 37. Qd5 Kf6 38. Bb1 Kg7 39. Qd1 Qe6 40. Qxc1 Qxb3 41.
Bc2 Qc3 42. Qb1 c4 43. Kg1 b4 44. Kf1 b3 45. Bd1 h5 46. g3 h4 47. Kg2 hxg3 48.
fxg3 Qd2+ 49. Kf3 Qa2 50. Qe4 Qa1 51. Ke2 Qb2+ 52. Ke1 Qc3+ 53. Ke2 Qxg3 54.
Qxc4 Qh2+ 55. Kd3 Qxh3+ 56. Kd2 Qh6+ 57. Kc3 Qc1+ 58. Kxb3 Qxd1+ 59. Kb2 Qd2+
60. Kb3 Qe3+ 61. Kc2 g5 62. Qd5 Qf4 63. Kd3 Kg6 64. Qc6+ Qf6 65. Qe8 Qd6+ 66.
Kc2 Qc5+ 67. Kd2 Qd4+ 68. Ke2 g4 69. Qg8+ Qg7 70. Qe8 Qb2+ 71. Kf1 Qc1+ 72. Kf2
Qf4+ 73. Ke1 Qg3+ 74. Kf1 Qf3+ 75. Ke1 Kf6 76. Qh8+ Kg5 77. Qe5+ f5 78. Qe7+
Kf4 79. Qd6+ Ke4 80. Qc6+ Ke5 81. Qc7+ Kf6 82. Qd8+ Ke5 83. Qc7+ Kd4 84. Qb6+
Kc3 85. Qa5+ Kb2 86. Qd2+ Kb3 87. Qc2+ Kb4 88. Qb2+ Kc4 89. Qa2+ Qb3 90. Qa6+
Qb5 91. Qe6+ Qd5 92. Qe2+ Kd4 93. Qb2+ Ke4 94. Qg2+ Ke5 95. Qh2+ Ke6 96. Qh6+
Ke7 97. Qg7+ Kd6 98. Qf8+ Ke5 99. Qg7+ Ke4 100. Qc3 Qe5 101. Qc6+ Kd3+ 102. Kf1
Qf4+ 103. Kg1 Qg3+ 104. Kf1 Qf3+ 105. Qxf3+ gxf3 106. Kf2 Ke4 107. Kf1 Ke3 108.
Ke1 f2+ 109. Kf1 f4 110. Kg2 Ke2 111. Kh2 f3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Lage, Pedro"]
[Black "Molina, Roberto Junio"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Nc6 5. d4 Bd6 6. c4 h6 7. Nc3 O-O 8. Re1
$146 ({RR} 8. b3 b6 9. Bb2 Na5 10. Ne5 Bb7 11. Rc1 c5 12. e3 Rc8 13. Qe2 dxc4
14. Bxb7 Nxb7 15. Nxc4 cxd4 16. Nb5 e5 17. exd4 exd4 18. Bxd4 Re8 19. Qf3 Ne4
20. Rfe1 a6 21. Na7 Ra8 22. Nc6 Qc7 {Nguyen,T-Bui,T Vietnam 2012 1-0}) ({RR} 8.
cxd5 exd5 9. Nb5 Bf5 10. Nxd6 Qxd6 11. a3 Ne4 12. Bf4 Qd7 13. Rc1 a5 14. Qb3
Ra7 15. Rfd1 a4 16. Qa2 g5 17. Ne5 Nxe5 18. Bxe5 c6 19. f3 Nd6 20. Bxd6 Qxd6
21. e4 dxe4 22. fxe4 Be6 {Rogoznikov,A (2258)-Khismatullin,D (2579)
Yekaterinburg RUS 2023 0-1 (50)}) 8... dxc4 9. Qa4 Nb4 10. Ne5 c6 11. a3 b5 12.
Qd1 Nbd5 13. Nxc6 Qb6 14. Ne5 Rd8 15. Qc2 Bb7 16. Nxd5 exd5 17. Be3 Ne4 18.
Red1 Qc7 19. f3 Nf6 20. Bf4 Qe7 21. Bh3 a5 22. Bf5 Ra6 23. Qd2 Bc8 24. Bb1 Nd7
25. Nxd7 Bxd7 26. Qc2 f5 27. e4 Bxf4 28. gxf4 Rg6+ 29. Kh1 fxe4 30. fxe4 Bg4
31. Rf1 Qxe4+ 32. Qxe4 dxe4 33. Bxe4 Re6 34. Rae1 Rxd4 35. Bg2 Rxe1 36. Rxe1
Rxf4 37. Re5 Rf5 38. Rxf5 Bxf5 39. Bc6 b4 40. axb4 axb4 41. Bd5+ Kf8 42. Bxc4
Ke7 43. Kg2 Kd6 44. Kf3 Kc5 45. Be2 Kd4 46. h4 Bd3 47. Bd1 Be4+ 48. Kf4 Bd5 49.
Bc2 Bc4 50. Kf5 Bd3+ 51. Bxd3 Kxd3 52. h5 Kc2 53. Kg6 Kxb2 54. Kxg7 b3 55. Kxh6
Kc3 56. Kg7 b2 57. h6 b1=Q 58. h7 Qxh7+ 59. Kxh7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Leite, Coraci"]
[Black "Cilento, Lucas"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 ({RR} 5. Qd2 g6 6. Nc3 Bg7 7.
Be2 Nf6 8. O-O O-O 9. Qf4 d6 10. Qh4 b5 11. Bg5 Be6 12. Rad1 Qc7 13. Bh6 Bxh6
14. Qxh6 Ng4 15. Qh4 Kg7 16. Ng5 Nf6 17. f4 h6 18. Nxe6+ fxe6 19. Bd3 e5 {
Dubov,D (2699)-Artemiev,V (2716) chess.com INT 2020 0-1}) 5... g6 6. Bd2 ({RR} 
6. c4 Bg7 7. Nc3 Nf6 8. h3 d6 9. Be2 O-O 10. O-O Be6 11. Rd1 Nd7 12. b3 Rc8 13.
Bb2 Qa5 14. a3 Rfe8 15. b4 Qb6 16. c5 Qa7 17. cxd6 Qxe3 18. fxe3 exd6 19. Rxd6
Nb6 20. e5 Bc4 {Leve,N (2128)-Liyanage,R (2400) chess.com INT 2023 0-1 (59)})
6... Bg7 $146 ({RR} 6... Nf6 7. Nc3 d6 8. O-O-O Bg7 9. h3 O-O 10. Bc4 b5 11.
Bb3 Bb7 12. Kb1 b4 13. Nd5 a5 14. Nb6 Rb8 15. Na4 Qc7 16. Rhe1 Nd7 17. h4 Nce5
18. h5 Nxf3 19. gxf3 Ne5 20. hxg6 hxg6 21. f4 {Perez Arroyave,D (1894)-Escobar
Medina,A (2086) Medellin 2013 1-0 (36)}) 7. Bc3 Nf6 8. Bc4 O-O 9. h3 d5 10.
exd5 Na5 11. Qe2 Nxc4 12. Qxc4 Bf5 13. O-O Bxc2 14. Re1 Qxd5 15. Qc7 Rac8 16.
Qf4 Nh5 17. Qe3 e6 18. Bxg7 Nxg7 19. Nc3 Qa5 20. Qd2 Ba4 21. Re5 Bb5 22. Ree1
Rfd8 23. Qg5 Nf5 24. g4 Bc6 25. Ne5 Nd4 26. Rad1 Qxe5 27. Qxd8+ Rxd8 28. Rxe5
Nf3+ 29. Kg2 Nxe5+ 30. f3 Bxf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Lima da Silva, Fabio"]
[Black "Franco Filho, Sinvaldo"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "131"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bd6 ({RR} 4... a5 5. g3 Nc6 6. Qc2 Nge7 7.
Bg2 e5 8. dxe5 Bf5 9. Qc1 d4 10. O-O Bc5 11. Na3 O-O 12. Nb5 Ng6 13. Rd1 Ncxe5
14. Nxe5 Nxe5 15. Bc3 Nd3 16. exd3 dxc3 17. Nxc3 Qd4 18. Qf4 Qxf4 19. gxf4 {
Gupta,A (2627)-Sokolov,I (2676) Philadelphia 2012 1/2-1/2 (38)}) ({RR} 4...
Bxd2+ 5. Nbxd2 Nf6 6. Rc1 Bd7 7. cxd5 exd5 8. Qb3 b6 9. Ne5 O-O 10. g3 a5 11.
Bg2 a4 12. Qc2 Na6 13. O-O c5 14. e4 Bb5 15. Rfe1 Nb4 16. Qb1 Nd7 17. exd5 Nxe5
18. dxe5 Nd3 19. Ne4 {Kordzadze,N (1966)-Sioulis,S Rhodes GRE 2023 1-0 (33)})
5. e3 $146 ({RR} 5. Bc3 Nf6 6. Nbd2 O-O 7. g3 Nbd7 8. Bg2 c6 9. O-O Qc7 10. Qc2
h6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qe2 Re8 15. Ne5 Bd7 16. b4 a6 17.
a4 b5 18. Nxd7 Qxd7 19. axb5 axb5 {Stankovic,M (1816)-Janikova,K (1317)
Budapest 2016 1-0 (34)}) 5... c5 6. cxd5 exd5 7. dxc5 Bxc5 8. Bc3 Nf6 9. Nbd2
O-O 10. Be2 Bf5 11. Rc1 Bb6 12. O-O Nbd7 13. Nb3 a5 14. Nbd4 Bg6 15. Bd3 Bxd3
16. Qxd3 Nc5 17. Qb5 Nce4 18. Ne2 Nxc3 19. Rxc3 Qd6 20. Rd1 Qb4 21. Rb3 Qxb5
22. Rxb5 Bc7 23. Rxb7 Rac8 24. Nc3 Rfd8 25. Nd4 Ne4 26. Nc6 Nxc3 27. bxc3 Bxh2+
28. Kxh2 Rxc6 29. Rxd5 Ra8 30. Rdd7 Rf8 31. Rdc7 Rd6 32. a4 Rd2 33. Kg3 Ra2 34.
Rc4 h6 35. Ra7 Rd8 36. Rxa5 Rdd2 37. Rf4 Rdc2 38. c4 g5 39. Rff5 Rxc4 40. Ra7
Raxa4 41. Raxf7 h5 42. Rb7 Rg4+ 43. Kf3 Ra6 44. Rc5 Rf6+ 45. Ke2 Rxg2 46. Rc8+
Rf8 47. Rxf8+ Kxf8 48. Kf3 Rg1 49. Rh7 h4 50. e4 Kg8 51. Rh5 Kg7 52. e5 Kg6 53.
Rh8 Kf5 54. Ke2 Kxe5 55. f3 Ra1 56. Ke3 Ra3+ 57. Kf2 Kf4 58. Rf8+ Ke5 59. Rh8
Rb3 60. Kg2 Kf4 61. Rf8+ Ke3 62. Rf5 Rb2+ 63. Kh3 Rb4 64. Rxg5 Kxf3 65. Rf5+
Ke4 66. Rh5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Lima, Darcy Gustavo"]
[Black "Bittencourt, Jorge"]
[Result "1/2-1/2"]
[ECO "D27"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. O-O
Be7 9. Ne5 cxd4 10. Nxc6 bxc6 11. exd4 a5 ({RR} 11... O-O 12. b3 Bb7 13. Be3
Nd5 14. Rc1 Rc8 15. Qe2 Nxe3 16. fxe3 c5 17. d5 exd5 18. Bxd5 Bxd5 19. Rcd1 c4
20. Rxd5 Qc7 21. bxc4 Qxc4 22. Rd3 Rfd8 23. Rxd8+ Bxd8 24. Qf3 f6 25. Rc1 Qc6
26. Ne2 {Mamedyarov,S (2725)-Anand,V (2783) Baku 2009 1/2-1/2 (43)}) 12. Bf4 ({
RR} 12. Be3 Ba6 13. Bxa6 Rxa6 14. Qe2 Ra8 15. Rac1 O-O 16. Rc2 Qb8 17. Qc4 Rc8
18. Rfc1 h6 19. g3 Qb7 20. Ne2 Nd5 21. Bd2 Bd6 22. Nc3 Nf6 23. Nd1 Ne4 24. Be3
Nf6 25. Bd2 Ne4 26. Qd3 c5 {Gledura,B (2633)-Teclaf,P (2571) Budva MNE 2023 1/
2-1/2 (47)}) 12... O-O 13. Be5 $146 ({RR} 13. Qd3 Qb6 14. Be5 Ba6 15. b3 Nd7
16. Bg3 Rfd8 17. Rfd1 Nf8 18. Ne4 f5 19. Nc5 Bxc4 20. bxc4 Bxc5 21. dxc5 Qxc5
22. Bd6 Qa7 23. c5 Qf7 24. Qf3 Rdc8 25. Rab1 Ra7 26. Rb6 Qe8 27. Rdb1 Rf7 {
Vorobiov,E (2564)-Becker,D (2265) Pardubice CZE 2018 1-0 (40)}) 13... Ba6 14.
b3 Qb6 15. Rc1 Rfd8 16. Qf3 Bxc4 17. bxc4 Nd7 18. Bg3 Rdc8 19. Rfd1 Nf6 20. Rb1
Qa6 21. c5 Qc4 22. Be5 Nd7 23. Bg3 Nf6 24. Be5 Nd7 25. Bg3 Nf6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Lima, Vinicius Taishun"]
[Black "Cavalcante, Rodrigo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. O-O d6 8.
h3 ({RR} 8. Qb3 Qf6 9. Re1 Nge7 10. e5 Nxe5 11. Nxe5 dxe5 12. Nd2 Bf5 13. Nf3
Qb6 14. Qa3 f6 15. Nxe5 fxe5 16. Rxe5 O-O-O 17. Be3 Qd6 18. Qxd6 Rxd6 19. Rxa5
Rhd8 20. h3 Bd3 21. Bxd3 Rxd3 {1/2-1/2 (21) Karacsonyi,G (2408)-Zilka,S (2594)
Slovakia SVK 2022}) ({RR} 8. Qb3 Qf6 9. e5 dxe5 10. Nbd2 Nge7 11. Ne4 Qg6 12.
Neg5 O-O 13. Nxf7 Rxf7 14. Ng5 Nd8 15. Rd1 Nec6 16. Rxd8+ Nxd8 17. Qb5 Be6 18.
Nxf7 Nxf7 19. Bxe6 Bxc3 20. Qxb7 Rd8 21. Bb2 Qxe6 22. Bxc3 Qxa2 {Mohammad,J 
(2070)-Md,S (1971) Dhaka BAN 2022 1/2-1/2 (32)}) 8... Nf6 9. Re1 O-O 10. Qc2
$146 ({RR} 10. Bb2 a6 11. Bb3 b5 12. a3 Bb7 13. Qc2 Ne5 14. Nbd2 c5 15. Ba2 c4
16. Nxe5 dxe5 17. Rad1 Qc7 18. Bb1 Bb6 19. Re2 Nh5 20. g3 Nxg3 21. Ree1 Qc5 22.
Nf1 Nxe4 23. Re2 Ng5 24. Kh2 Nf3+ {Kiyan Mohamed,U-Vazquez Maccarini,D (2082)
Batumi GEO 2018 0-1 (33)}) 10... Ne5 11. Nxe5 dxe5 12. Ba3 Re8 13. Rd1 Nd7 14.
Nd2 Qf6 15. Nf3 Bb6 16. Qa4 Rd8 17. Rd2 Kh8 18. Rad1 c6 19. Rd6 Qf4 20. Qc2 f6
21. Bc1 Qg3 22. Kf1 Qg6 23. Nxe5 fxe5 24. Rxg6 hxg6 25. Qe2 Rf8 26. f3 Nf6 27.
Qe1 Nh5 28. Qh4 Kh7 29. Ke2 Bc5 30. g4 Bxg4 31. hxg4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Limp, Eduardo Thelio"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "38"]
[EventDate "2021.??.??"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bg4 5. Bb2 e6 6. Be2 Bd6 7. O-O Nbd7 8. Nc3
O-O 9. cxd5 ({RR} 9. d4 a6 10. h3 Bh5 11. Ne5 Bxe2 12. Nxe2 Qc7 13. Nd3 dxc4
14. bxc4 c5 15. Rc1 Rac8 16. Qb3 Rfd8 17. Rfd1 Be7 18. Ba3 Bf8 19. Rb1 cxd4 20.
Bxf8 Nxf8 21. Nxd4 e5 22. Nf5 g6 23. Ng3 Qxc4 {Klekowski,M (2477)-Teclaf,P 
(2575) Poland POL 2023 1/2-1/2 (74)}) 9... cxd5 ({RR} 9... exd5 10. Nd4 Bxe2
11. Ncxe2 Re8 12. Ng3 Bf8 13. d3 a5 14. a4 g6 15. Qc2 h5 16. Nf3 Ng4 17. h3
Nge5 18. Nxe5 Nxe5 19. f4 Nd7 20. e4 Qb6+ 21. Kh2 Qc5 22. Qe2 h4 23. Nh1 dxe4
24. dxe4 {Rashkovsky,N (2523)-Volkov,S (2582) Bydgoszcz 2000 1-0 (34)}) 10. Nb5
Be7 11. Ne5 $146 ({RR} 11. h3 Bh5 12. Ne5 Bxe2 13. Qxe2 a6 14. Nxd7 Qxd7 15.
Nd4 Rfc8 16. Rfc1 Qd8 17. d3 Nd7 18. Nf3 Qa5 19. Rc2 Bd6 20. e4 Qd8 21. Rac1
Rxc2 22. Qxc2 Bf4 23. Qc3 d4 24. Qxd4 e5 25. Qd5 Bxc1 {Ivanov,A (2303)-Sumets,
A (2434) Kharkov 1999 1/2-1/2 (42)}) 11... Bxe2 12. Qxe2 a6 13. Nc3 Rc8 14. f4
Re8 15. Rf3 Bc5 16. Nd1 Qe7 17. Nf2 Ba3 18. Bc3 Bb4 19. Bb2 Ba3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Lopes, Wendell"]
[Black "Sovinski, Marcos Roberto"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Bd3 Nc6 4. Nf3 ({RR} 4. Ne2 Nb4 5. Bb5+ Bd7 6. Bxd7+ Qxd7
7. c3 Nc6 8. e5 f6 9. f4 Nh6 10. Ng3 f5 11. Nd2 Nf7 12. O-O Be7 13. Nf3 Na5 14.
Qe2 g6 15. Be3 h5 16. Nd2 h4 17. Nh1 g5 18. b4 gxf4 {Alekseev,E (2627)
-Shaposhnikov,E (2572) Yaroslavl RUS 2018 1/2-1/2 (41)}) 4... Nf6 ({RR} 4...
Nb4 5. Nc3 Nf6 6. Bg5 Be7 7. O-O Nxd3 8. cxd3 c6 9. h3 b6 10. Qa4 Bb7 11. Bxf6
Bxf6 12. exd5 exd5 13. Rfe1+ Kf8 14. Ne5 Qd6 15. Re3 g6 16. Rae1 Kg7 17. Ne2
Bg5 18. f4 Bh4 19. g3 {Onischuk,V (2619)-Grabinsky,A (2371) chess.com INT 2023
1-0 (43)}) 5. e5 Ne4 6. Qe2 $146 ({RR} 6. O-O Be7 7. Nbd2 Ng5 8. Nxg5 Bxg5 9.
Nf3 Bxc1 10. Rxc1 O-O 11. a3 f6 12. c4 f5 13. cxd5 Qxd5 14. Bc4 Qd7 15. Qd2 b6
16. Bb5 Bb7 17. Qc3 Nxd4 18. Bxd7 Ne2+ 19. Kh1 Nxc3 20. Bxe6+ Kh8 {Chanut,P 
(1587)-Bot,F (1520) Montigny le Bretonneux 2007 1-0 (41)}) 6... f5 7. exf6 Nxf6
8. O-O Nb4 9. Bd2 Nxd3 10. Qxd3 Ne4 11. Nc3 Nxd2 12. Qxd2 Bb4 13. a3 Bxc3 14.
Qxc3 O-O 15. Ne5 Bd7 16. Qg3 a5 17. Rfe1 b6 18. c3 c5 19. h4 Rc8 20. Rac1 a4
21. h5 h6 22. Red1 Be8 23. Ng6 Bxg6 24. Qxg6 Qf6 25. Qxf6 Rxf6 26. Rd3 Rf5 27.
g4 Rf4 28. f3 Rcf8 29. Kg2 c4 30. Re3 R8f6 31. Rh1 g5 32. hxg6 Rxg6 33. Rh4 Kg7
34. Kg3 Rgf6 35. g5 hxg5 36. Rh5 R4f5 37. Kg4 Rf4+ 38. Kxg5 R6f5# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Mariano, Marceley M"]
[Black "de Deus Filho, Joaquim"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qf6 5. d3 Nge7 ({RR} 5... a6 6. Ba4 Nge7
7. Bg5 Qg6 8. O-O O-O 9. Nbd2 d6 10. Bxe7 Nxe7 11. Qe2 Be6 12. d4 Bh3 13. Nh4
Qg5 14. dxc5 Ng6 15. Ndf3 Nf4 16. Nxg5 Nxe2+ 17. Kh1 Bg4 18. cxd6 cxd6 19. Bb3
{1-0 (19) Gudmundsson,S (1283)-Haarde Vignisson,H Reykjavik ISL 2023}) 6. O-O (
{RR} 6. Bg5 Qg6 7. O-O O-O 8. Bxe7 Bxe7 9. Bxc6 dxc6 10. Nxe5 Qh6 11. Nd2 f5
12. Ndf3 fxe4 13. dxe4 Be6 14. Nd4 Rad8 15. Qa4 Bd6 16. Nef3 Bg4 17. e5 Bc5 18.
Qc4+ Rd5 19. Rae1 Kh8 20. Re4 Bh5 {Firouzja,A (2759)-Tang,A (2538) chess.com
INT 2021 1-0 (35)}) 6... a6 7. Ba4 b5 8. Bb3 $146 ({RR} 8. Bc2 d6 9. a4 Rb8 10.
axb5 axb5 11. d4 Bb6 12. d5 Na7 13. h3 Bd7 14. Bd3 Qg6 15. Kh2 Qh5 16. Be2 Qg6
17. Bd3 Qh5 18. Be2 Qg6 {1/2-1/2 (18) Saiboulatov,D (2366)-Vandevoort,P (2353)
Eupen 2003}) 8... h6 9. Be3 d6 10. a4 Rb8 11. axb5 axb5 12. d4 Bb6 13. Qd3 Bd7
14. Nbd2 O-O 15. d5 Nd8 16. Bxb6 Rxb6 17. Ra7 Rb7 18. Rfa1 Nc8 19. Ra8 Qg6 20.
Nf1 Nb6 21. R8a2 Na4 22. Bc2 Nc5 23. Qe3 b4 24. cxb4 Rxb4 25. Nxe5 Qf6 26. Nxd7
Nxd7 27. Qc3 Qxc3 28. bxc3 Rc4 29. Ra3 Rc5 30. Ne3 Nb6 31. Bd3 f6 32. f4 Re8
33. Kf2 Kf8 34. Kf3 c6 35. c4 cxd5 36. cxd5 g6 37. Ra6 Nc8 38. Nc4 Nf7 39. R1a5
Rc7 40. Rb5 Na7 41. Rbb6 Rd8 42. Nxd6 Rxd6 43. Rxd6 Nxd6 44. Rxd6 Kf7 45. e5 f5
46. Rf6+ Kg7 47. g4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Marquezini, Paulo E"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. d4 cxd4 6. Nxd4 Bd7 7. O-O g6 8.
Re1 Bg7 9. Nf3 ({RR} 9. Nxc6 Bxc6 10. Nd5 O-O 11. c3 e6 12. Nxf6+ Bxf6 13. Bh6
Re8 14. Bb3 Qc7 15. Qf3 Be5 16. Bf4 Bxf4 17. Qxf4 a5 18. Rad1 a4 19. Bc4 Qb6
20. Rxd6 Qxb2 21. Qf6 Qa3 22. Red1 Qc5 23. R1d4 b5 {Christiansen,L (2572)
-Charbonneau,P (2501) ICC INT 2006 0-1 (50)}) ({RR} 9. Bb3 O-O 10. Bg5 h6 11.
Bh4 g5 12. Bg3 Nxd4 13. Qxd4 Nh5 14. Qd2 Rc8 15. Re3 Kh8 16. Rd1 Nxg3 17. hxg3
Be5 18. Rd3 Qa5 19. Rd5 Bxc3 20. Rxa5 Bxd2 21. Rxd2 Bc6 22. Rxa7 Ra8 23. Rxa8
Rxa8 {Melikyan,G (2238)-Demchenko,A (2625) chess.com INT 2023 1-0 (68)}) 9...
O-O 10. h3 a6 11. Nd5 $146 ({RR} 11. a4 Rc8 12. Qe2 Qc7 13. Bd3 Nb4 14. e5 Nxd3
15. cxd3 dxe5 16. Nxe5 Be6 17. Bf4 Qd8 18. Nc4 Rc5 19. Be3 Rh5 20. Nb6 Nd7 21.
a5 Nxb6 22. Bxb6 Qd7 23. Ne4 Rc8 24. Rac1 Bh6 25. Be3 Rxc1 {Bondar,L (2051)
-Chernikov,O (2402) Rijeka 2011 0-1 (50)}) 11... Nxd5 12. Bxd5 e6 13. Bb3 Qc7
14. Bf4 Ne5 15. Nxe5 Bxe5 16. Bxe5 dxe5 17. f3 Rad8 18. Qe2 Bb5 19. c4 Qc5+ 20.
Kh2 Bc6 21. Rac1 Rd4 22. Red1 Rfd8 23. h4 Qe7 24. Kg3 g5 25. hxg5 Qxg5+ 26. Kf2
Rd2 27. Rxd2 Rxd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Marra, Eduardo"]
[Black "Cardoso, Marcio"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Qe2 dxe4 7. dxe4 e5 8. c3
Be7 9. Na3 O-O 10. O-O a6 11. Nc4 Qc7 12. a4 h6 13. Nh4 $146 ({RR} 13. a5 Be6
14. Nfd2 Nd7 15. f4 f6 16. f5 Bf7 17. Bf3 b5 18. axb6 Nxb6 19. Bh5 Nd8 20.
Bxf7+ Nxf7 21. Nxb6 Qxb6 22. Nc4 Qb5 23. Ra5 Qc6 24. Qc2 Bd8 25. Ra3 Bb6 26.
Rd1 Rfd8 27. Rxd8+ Bxd8 {Awoki,D (2111)-Dos Reis,L (1915) Sao Paulo 2016 0-1 
(48)}) 13... Bg4 14. Bf3 Be6 15. Nf5 Rfe8 16. Kh1 Bf8 17. g4 Ne7 18. Rg1 Ng6
19. g5 hxg5 20. Bxg5 Nh7 21. Bd2 Bxf5 22. exf5 Nf4 23. Qe4 Rab8 24. Rae1 Nf6
25. Qc2 Nh3 26. Rg2 b5 27. axb5 axb5 28. Ne3 Nf4 29. Rg3 e4 30. Ng4 Nxg4 31.
Bxg4 Nd3 32. Rf1 Bd6 33. Rh3 Bf4 34. Be3 Rbd8 35. Rg1 Qe5 36. Rh5 Rd6 37. Qe2
Qf6 38. Qf1 Kf8 39. Be2 Bxe3 40. fxe3 Ke7 41. Qg2 Kd8 42. Rg5 Qh6 43. Qg3 Kd7
44. Rxg7 Re7 45. Ra1 b4 46. Ra7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Matsuura, Everaldo"]
[Black "Quintiliano, Renato"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "28"]
[EventDate "2021.??.??"]

1. c4 e6 2. e4 c5 3. Nf3 Nc6 4. Nc3 Nf6 5. Be2 d5 6. exd5 exd5 7. d4 Be6 8.
cxd5 Nxd5 9. O-O Be7 10. Nxd5 Qxd5 11. Be3 cxd4 12. Nxd4 Nxd4 13. Qxd4 O-O 14.
Rfd1 $146 ({RR} 14. Bf3 Qb5 {1/2-1/2 (14) Stella,A (2447)-Olszewski,M (2534)
Livigno 2011}) ({RR} 14. Bf3 Qxd4 15. Bxd4 Rfd8 16. Rfd1 Bd5 17. Bb6 Bxf3 18.
Bxd8 Bxd1 19. Bxe7 Bg4 {1/2-1/2 (19) Matsuura,E (2494)-Molina,R (2450)
Florianopolis 2015}) 14... Qxd4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Mazetto, Sergio Luiz"]
[Black "Pessoa, Marcio"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. g3 e6 2. Bg2 d5 3. Nf3 f5 4. c4 c6 5. O-O Nf6 6. d3 Bd6 7. Nc3 a6 8. e4 fxe4
9. dxe4 dxe4 10. Ng5 O-O 11. Ngxe4 Be5 $146 ({RR} 11... Be7 12. Bf4 Nbd7 13.
Bd6 Nxe4 14. Nxe4 Nf6 15. Bxe7 Qxe7 16. Qd6 Qxd6 17. Nxd6 Rd8 18. Rad1 Ne8 19.
Ne4 Rxd1 20. Rxd1 Kf8 21. f4 Rb8 22. Ng5 h6 23. Nf3 Ke7 24. Ne5 Nf6 25. Bxc6
Ra8 26. Bf3 {Koester,P (2146)-Schwarz,R (1866) Badenweiler 2009 1-0 (32)}) 12.
Qe2 Qc7 13. Be3 Nxe4 14. Nxe4 Nd7 15. f4 Bf6 16. Rad1 Be7 17. Bd4 e5 18. fxe5
Nxe5 19. Rxf8+ Bxf8 20. Ng5 Bg4 21. Qe4 Ng6 22. Qxg4 Re8 23. Nxh7 Ne5 24. Nf6+
Kf7 25. Nxe8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Medeiros, Fabricio"]
[Black "Paniago, Lucio"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Qd3 ({RR} 6. Qf3 h6 7.
Bh4 Be7 8. O-O-O Nxe4 9. Bxe7 Qxe7 10. Qxe4 Nf6 11. Qe5 O-O 12. Nf3 b6 13. g3
Bb7 14. Bg2 Rad8 15. Nh4 Bxg2 16. Nxg2 Rd5 17. Qe2 Qd7 18. c3 Ra5 19. a3 Nd5
20. Qc2 Qc6 {Sax,G (2600)-Bareev,E (2590) Hastings 1990 1-0 (31)}) 6... h6 7.
Be3 $146 ({RR} 7. Bxf6 Nxf6 8. O-O-O Bd7 9. Nf3 Nxe4 10. Qxe4 Bc6 11. Qe3 Bxf3
12. Qxf3 c6 13. Bc4 Qc7 14. Rhe1 O-O-O 15. Rd3 Be7 16. Kb1 Bf6 17. Red1 Rd7 18.
c3 a5 19. Qe4 Rhd8 20. f4 g6 21. g4 b5 {Bajaramov,E (2058)-Martynov,P (2033)
Dagomys 2009 1/2-1/2 (44)}) ({RR} 7. Bh4 Be7 8. Nxf6+ Nxf6 9. O-O-O O-O 10. Nf3
c5 11. Rg1 Qa5 12. Kb1 cxd4 13. g4 e5 14. g5 e4 15. Qxd4 Rd8 16. gxf6 Rxd4 17.
Nxd4 Qh5 18. Nf3 Qxf3 19. Be2 Qf4 20. fxe7 Bd7 21. Rxd7 Qxh4 {Taichman,O (2297)
-Vaupot,L (2083) Terme Catez SLO 2022 1-0}) 7... Nxe4 8. Qxe4 Nf6 9. Qd3 c6 10.
O-O-O Be7 11. Be2 Nd5 12. Bd2 Bg5 13. Nf3 Nf4 14. Bxf4 Bxf4+ 15. Kb1 a5 16. g3
Bd6 17. Rhe1 a4 18. a3 Qe7 19. Bf1 b6 20. c4 Ba6 21. Qc3 O-O 22. Nh4 Qf6 23. f4
Bxf4 24. gxf4 Qxh4 25. Bd3 b5 26. c5 Rad8 27. Rg1 b4 28. axb4 Bxd3+ 29. Rxd3
Qf6 30. Rdg3 g6 31. h4 h5 32. Qc2 Qf5 33. Qxf5 exf5 34. Rd3 Rb8 35. d5 Rfd8 36.
d6 Rxb4 37. Re1 Re4 38. Red1 Kf8 39. Rd4 Ke8 40. Ka2 Kd7 41. Ka3 Rde8 42. Rxa4
Rxa4+ 43. Kxa4 Re4+ 44. b4 Rxf4 45. Ka5 Rc4 46. Re1 Re4 47. Rc1 f4 48. b5 f3
49. b6 g5 50. b7 Re8 51. hxg5 h4 52. Rf1 Re3 53. b8=Q 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Mekhitarian, Krikor"]
[Black "Luz, Arthur Nader"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8
15. Bc4 Nf4 ({RR} 15... Qc7 16. g4 h6 17. h4 Nf4 18. Bxe6 Nxe6 19. Be3 Red8 20.
Qf2 Qa5 21. Kb1 Rd5 22. c4 Rxd1+ 23. Rxd1 Rd8 24. Rd2 f5 25. gxf5 gxf5 26. Nc3
f4 27. Rxd8+ Qxd8 28. Bxa7 e4 29. fxe4 Qd3+ 30. Qc2 {Fressinet,L (2638)
-Hamdouchi,H (2559) Bordeaux 2005 1/2-1/2 (77)}) 16. Qxd8 Rexd8 17. Bxe6 Nxe6
18. Be3 $146 ({RR} 18. Be7 Re8 19. Nf6+ Bxf6 20. Bxf6 Nf4 21. Rd2 Nd5 22. Bh4
Re6 23. Bf2 f5 24. c4 Nb6 25. b3 e4 26. fxe4 Rxe4 27. Rhd1 Kf7 28. Rd6 Re7 29.
R1d2 Re6 30. a4 Rae8 31. a5 Nc8 32. Rd7+ R8e7 {Noradounguian,G-Anastasopoulos,
A Leipzig 1960 1-0 (53)}) ({RR} 18. Be7 Rd5 19. Nf6+ Bxf6 20. Bxf6 Nf4 21. g3
Ne2+ 22. Kb1 Re8 23. c4 Rxd1+ 24. Rxd1 Nd4 25. f4 Nf3 26. fxe5 Nxh2 27. Rd7 Ng4
28. e6 fxe6 29. Bc3 e5 30. Rxa7 g5 31. a4 h5 32. Rd7 h4 {Kevlishvili,R (2539)
-Kazarjan,G (1948) Helmond NED 2023 1-0 (55)}) 18... Nf4 19. Bxf4 exf4 20. c3
Rd5 21. Rxd5 cxd5 22. Nf2 Rc8 23. Kd2 d4 24. c4 Rxc4 25. Nd3 Bf8 26. a3 Rc6 27.
Rc1 Rd6 28. Rc5 a6 29. b4 Bh6 30. Ra5 Bf8 31. Nc5 Rd8 32. Nxa6 Ra8 33. b5 Bc5
34. Nxc5 Rxa5 35. a4 d3 36. Kxd3 Kf8 37. Kc4 Ke8 38. b6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Melo, Igor"]
[Black "Valcarcel, Victor I"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 Bg4 7. Re1 O-O 8. Nbd2
a6 9. Bb3 Qd7 ({RR} 9... b5 10. Nf1 Qd7 11. Ng3 a5 12. h3 Bxh3 13. gxh3 Qxh3
14. Ng5 Qxg3+ 15. Kh1 Bxf2 16. Rf1 Ng4 {0-1 (16) Rangel,D (2471)-Quaritch79 
(2452) lichess.org 2021}) ({RR} 9... d5 10. exd5 Nxd5 11. Ne4 Bb6 12. Bg5 f6
13. Bh4 Kh8 14. h3 Bh5 15. Bg3 Qd7 16. Nxe5 fxe5 17. Qxh5 Nf4 18. Bxf4 Rxf4 19.
Qd1 Raf8 20. Rf1 Qf5 21. Qe2 h5 22. Kh2 h4 23. Rad1 Nd8 24. f3 {Hagenmeyer,F 
(1686)-De Jong,M (1461) Enschede NED 2022 1-0 (31)}) 10. Nf1 Rae8 $146 ({RR} 
10... Rad8 11. Bg5 Kh8 12. Ng3 Rde8 13. Be3 Bxe3 14. fxe3 Nh5 15. Nxh5 Bxh5 16.
Rf1 f5 17. exf5 e4 18. Be6 Rxe6 19. fxe6 Qe7 20. dxe4 Ne5 21. Qe2 Rf6 22. Kh1
Qxe6 23. b3 Qg4 24. Rad1 Qxe4 25. Rd4 {Stoecklin,C (2111)-Carrasco,P (2155)
Biel 2000 1/2-1/2 (32)}) 11. h3 Be6 12. Ng3 h6 13. d4 Bxb3 14. axb3 Bb6 15. d5
Ne7 16. Nh4 Kh7 17. Nhf5 Nxf5 18. Nxf5 Nxe4 19. Qg4 Bxf2+ 20. Kh2 g6 21. Rxe4
Qxf5 22. Qe2 Bb6 23. Bd2 Qf2 24. Qd3 f5 25. Re2 Qh4 26. Ra4 e4 27. Qb1 Rf7 28.
Qf1 Ref8 29. c4 Bd4 30. b4 f4 31. Rxe4 Qg3+ 32. Kh1 f3 33. gxf3 Rxf3 34. Re7+
Kg8 35. Qe1 Qxh3# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Messias, Jose Vitor"]
[Black "Moreira, Cleber Naief"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Nbd7 6. Bh6 O-O 7. Bxg7 Kxg7 8.
O-O-O ({RR} 8. Nf3 c5 9. O-O-O cxd4 10. Nxd4 Qa5 11. h4 h5 12. Be2 Nc5 13. f3
b5 14. Kb1 Rb8 15. Nc6 Qb6 16. Nxb8 Qxb8 17. g4 hxg4 18. h5 gxf3 19. Bxf3 b4
20. hxg6 fxg6 21. Nd5 Ng8 22. Qg2 Be6 {Fiorito,J (2348)-Jarocka,L (2181) chess.
com INT 2023 1-0 (35)}) 8... e5 9. Be2 Re8 $146 ({RR} 9... h5 10. f4 Qe7 11.
dxe5 dxe5 12. f5 Nc5 13. Bf3 a5 14. h3 Rh8 15. Nge2 b6 16. g4 hxg4 17. hxg4 Bb7
18. g5 Ng8 19. Rxh8 Kxh8 20. Rh1+ Kg7 21. f6+ Nxf6 22. gxf6+ Qxf6 23. Qh6+ Kg8
24. Nd5 {Saraiva,F (1871)-Nunes,A (1556) Coimbra 2016 0-1 (39)}) 10. d5 Nc5 11.
f3 Nh5 12. g4 Nf4 13. Bf1 a6 14. Nge2 Nxe2+ 15. Bxe2 Qh4 16. Rdg1 Bd7 17. Nd1
Rad8 18. Ne3 Bc8 19. Rg3 c6 20. Ng2 Qe7 21. h4 h6 22. Ne3 Qc7 23. Rhg1 Kh7 24.
Bd3 Nxd3+ 25. Qxd3 b5 26. Rf1 Bb7 27. f4 cxd5 28. Nxd5 Bxd5 29. Qxd5 Rc8 30.
Rc3 Qa7 31. fxe5 Kg8 32. exd6 Rxc3 33. bxc3 Qe3+ 34. Kb2 b4 35. Qxf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Monteiro, Marcos Paulo"]
[Black "Bueno, Marcos Antonio"]
[Result "1-0"]
[ECO "E98"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Ne8 10. Be3 b6 11. b4 f5 12. f3 f4 13. Bf2 g5 14. Rc1 $146 ({RR} 14.
Nd3 Ng6 15. c5 Rf7 16. cxd6 cxd6 17. Rc1 h5 18. h3 Nf6 19. Qc2 g4 20. fxg4 hxg4
21. hxg4 Nxg4 22. Nb5 f3 23. Bxf3 Rxf3 24. gxf3 Qg5 25. fxg4 Qxg4+ 26. Bg3
Qxg3+ 27. Qg2 Qxd3 28. Rc3 Qxb5 {Kabisch,T-Thiery,C Dortmund 1982 1-0 (35)})
14... Ng6 15. c5 Rf7 16. cxd6 cxd6 17. Bb5 Nf6 18. a4 h5 19. Bc6 Rb8 20. a5 g4
21. Kh1 Bf8 22. axb6 axb6 23. Ra1 h4 24. Bg1 g3 25. h3 Rg7 26. Nb5 Nh5 27. Na7
Bxh3 28. gxh3 g2+ 29. Nxg2 Ng3+ 30. Kh2 Qg5 31. Bf2 Nxf1+ 32. Qxf1 Ne7 33. Bd7
Kh8 34. Bg4 Ng8 35. Nc6 Rbb7 36. Ra8 Be7 37. Bxh4 Qh6 38. Nxe7 Rbxe7 39. Bxe7
Rxe7 40. Qf2 Rc7 41. Qh4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Moyses Sobrinho, Elias"]
[Black "Cardoso, Lucas do Valle"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nf3 O-O 7. Qb3 Nxc3 8.
bxc3 c5 9. Ba3 b6 10. Bc4 ({RR} 10. Bb5 Bd7 11. Be2 Nc6 12. O-O Na5 13. Qb2 Qc7
14. Rfd1 Ba4 15. Rd2 Rac8 16. h3 Rfd8 17. Rc1 cxd4 18. Nxd4 e6 19. Qb4 Nc4 20.
Nxe6 fxe6 21. Rxd8+ Rxd8 22. Bxc4 Qc6 {1/2-1/2 (22) Bukic,E (2490)-Sax,G (2565)
Ljubljana/Portoroz 1977}) ({RR} 10. Be2 Be6 11. Qb1 Nc6 12. O-O Na5 13. Rd1 Qc7
14. e4 Bc4 15. Qc2 Rac8 16. d5 Bxe2 17. Qxe2 Bxc3 18. Rac1 Bg7 19. e5 Rcd8 20.
Qe4 Qb7 21. Rb1 Qa6 22. Qh4 f6 23. Bc1 Qc4 24. Qh3 f5 {Jacimovic,D (2398)
-Salgado Lopez,I (2629) Skopje MKD 2018 0-1 (34)}) 10... Nc6 11. Be2 $146 ({RR
} 11. Qc2 Na5 12. Be2 cxd4 13. cxd4 Bf5 14. Bd3 {1/2-1/2 (14) Talbot,
N-Fallowfield,J (2023) Blackpool 2013}) 11... Qc7 12. O-O Be6 13. Qa4 Bd7 14.
Qc2 Rfd8 15. Rac1 Bf5 16. e4 Bg4 17. dxc5 Bxf3 18. Bxf3 Qf4 19. Rfd1 Be5 20. h3
b5 21. Bb2 Rac8 22. Rxd8+ Nxd8 23. Qd1 Qh2+ 24. Kf1 Ne6 25. g3 Bxg3 26. fxg3
Qxb2 27. Rc2 Qa3 28. Bg4 Rd8 29. Rd2 Rxd2 30. Qxd2 Nxc5 31. Qd8+ Kg7 32. Qxe7
Qxc3 33. e5 Qa1+ 34. Kg2 Qxa2+ 35. Kf3 Qa3+ 36. Kg2 Qb2+ 37. Kf3 Qc3+ 38. Ke2
Qd3+ 39. Ke1 Ne4 40. Qxa7 Qxg3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Nascimento, Christian"]
[Black "Rocha, Vitor Firmo"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nc3 cxd4 5. exd4 Bf5 6. Nf3 e6 7. Be2 Nf6 8.
O-O Bb4 9. Nb5 O-O $146 ({RR} 9... Rc8 10. c3 Be7 11. a4 a6 12. Na3 Nh5 13. Be3
Nf6 14. Ne5 Nxe5 15. dxe5 Nd7 16. Bd4 Bg6 17. Nc2 Nb8 18. f4 Nc6 19. Bf2 Be4
20. Ne3 O-O 21. Ng4 Qd7 22. Kh1 h5 23. Ne3 g6 24. Nc4 {Heinatz,G (2148)
-Forchert,M (2317) Tegernsee GER 2023 0-1 (50)}) 10. a3 Be7 11. h3 h6 12. Ne5
Qb6 13. b3 a6 14. Nd7 Nxd7 15. Bc7 axb5 16. Bxb6 Nxb6 17. c3 Bxa3 18. b4 Nc4
19. Ra2 Ra6 20. Qb3 Rfa8 21. Rfa1 Kf8 22. Bxc4 dxc4 23. Qd1 Ne7 24. Qf3 Nd5 25.
Re1 Bd3 26. Raa1 Bb2 27. Rxa6 Rxa6 28. Qg3 Ra8 29. Qd6+ Kg8 30. Rxe6 fxe6 31.
Qxe6+ Kf8 32. Qxd5 Bxc3 33. f4 Bxb4 34. Qxb5 Bd2 35. g3 Be3+ 36. Kg2 Be4+ 37.
Kf1 c3 38. Qe5 Bd3+ 39. Kg2 Bd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Nascimento, Davi Araujo"]
[Black "Baeta, Marcio Netto"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. Nbd2 cxd4 ({RR} 
7... Bd6 8. O-O cxd4 9. cxd4 Rc8 10. a3 O-O 11. b4 Ne7 12. Bb2 Nd7 13. Bxh7+
Kxh7 14. Ng5+ Kg8 15. Qxg4 Nf5 16. Qh3 Nf6 17. Rac1 Rxc1 18. Rxc1 Qd7 19. Rf1
Rc8 20. e4 dxe4 21. Ndxe4 Nxe4 22. Nxe4 {Valderrama,E (2326)-Korneev,O (2611)
Neiva 2005 0-1 (33)}) ({RR} 7... Be7 8. O-O O-O 9. Qe1 Bf5 10. Ne5 Nxe5 11.
Bxf5 Nc4 12. Bd3 Rc8 13. Nf3 Nd6 14. Ne5 Nfe4 15. Rf3 Bh4 16. Qe2 f6 17. Ng4 h5
18. Rh3 Nf5 19. Bxe4 hxg4 20. Qxg4 dxe4 21. g3 cxd4 22. exd4 {Brito,P (1563)
-Baeta,M (2047) Brasilia 2017 0-1}) 8. exd4 ({RR} 8. cxd4 Be7 9. a3 O-O 10. O-O
Rc8 11. h3 Bf5 12. Bxf5 exf5 13. Nh4 Qd7 14. Ndf3 Ne4 15. Qe1 a6 16. b4 b5 17.
Bb2 Bxh4 18. Qxh4 h6 19. Rac1 Rc7 20. Rc2 f6 21. Rfc1 Rfc8 22. g4 fxg4 {
da Silva,A-Rosseto,E Shopping Boulevard, Mogi GuaÃ 2022 0-1 (34)}) 8... Bd6 9.
h3 $146 ({RR} 9. Nf1 Qc7 10. h3 Bh5 11. g4 Bg6 12. Ne5 O-O-O 13. Be3 Ne4 14.
Qf3 Bxe5 15. fxe5 f6 16. exf6 gxf6 17. Nd2 e5 18. Nxe4 dxe4 19. Bxe4 Bxe4 20.
Qxe4 exd4 21. Qf5+ Kb8 22. Bf4 Rhe8+ 23. Kf2 Ne5 {Wu,D-Marshall,P Edmonton
1997 0-1 (35)}) 9... Bxf4 10. hxg4 Bg3+ 11. Kf1 Nxg4 12. Qe2 Qf6 13. Nb3 e5 14.
Bg5 Qd6 15. Nxe5 Ngxe5 16. dxe5 Bxe5 17. Re1 Kd7 18. Qg4+ Kc7 19. Nd4 a6 20.
Nxc6 Kxc6 21. c4 Rae8 22. cxd5+ Kc7 23. Qf3 f6 24. Rc1+ Kb8 25. Bh4 g5 26. Bf2
Bxb2 27. Rb1 g4 28. Qd1 Be5 29. Qb3 Re7 30. Bf5 g3 31. Bb6 h5 32. Be6 h4 33.
Qc4 Bb2 34. Rxb2 Rxe6 35. Bc7+ Qxc7 36. Qxc7+ Kxc7 37. dxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Nemeth Jr, Henrique"]
[Black "Ribeiro, Matheus D"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. b3 b6 ({RR} 5... c5 6. cxd5 Nxd5 7.
Bb2 Nxc3 8. Bxc3 O-O 9. h4 Bf6 10. Qc2 Bxc3 11. dxc3 Nc6 12. Bd3 f5 13. O-O-O
Qa5 14. e4 b5 15. exf5 exf5 16. Rhe1 Rb8 17. Ne5 Nxe5 18. Rxe5 Qc7 19. Qe2 a6
20. Bc2 {Nepomniachtchi,I (2763)-Nakamura,H (2746) St Petersburg RUS 2018 1-0 
(48)}) 6. cxd5 Nxd5 7. Nxd5 Qxd5 $146 ({RR} 7... exd5 8. Bb5+ c6 9. Be2 Bf6 10.
d4 O-O 11. O-O c5 12. Ba3 Na6 13. Rc1 Be7 14. dxc5 bxc5 15. Ne5 Qd6 16. Nd3 Qb6
17. Nf4 Be6 18. Nxd5 Bxd5 19. Qxd5 Nb4 20. Bxb4 Qxb4 21. Rc4 Qb6 22. Bd3 {
Petrovic,A (2232)-Vulinovic,R (2160) Belgrade SRB 2023 1-0 (54)}) 8. Bb2 O-O 9.
Qc2 c5 10. Bd3 Bb7 11. Bxh7+ Kh8 12. h4 f5 13. Ng5 Nc6 14. Qd1 Qxg2 15. Qh5 Qg4
16. Qg6 Bf6 17. Bg8 Nb4 18. Qh7# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Neves, Andrey de Souza"]
[Black "Labussiere, Victor"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 g6 7. d4 cxd4 8. cxd4
Bg7 9. Ng5 ({RR} 9. Nc3 d6 10. e6 fxe6 11. O-O O-O 12. Re1 d5 13. Be3 Bd7 14.
h4 Rc8 15. h5 gxh5 16. Bc2 Qe8 17. Ne5 Nxe5 18. dxe5 Nc4 19. Bd4 Nxb2 20. Qb1
Rf4 21. Bxh7+ Kh8 22. Bg6 Qf8 23. Be3 Nc4 {Bacrot,E (2671)-Iturrizaga,E (2629)
chess24.com INT 2020 0-1 (36)}) ({RR} 9. Nc3 d6 10. Bf4 dxe5 11. dxe5 O-O 12.
h3 a5 13. a3 Kh8 14. O-O Nd7 15. Re1 Nc5 16. Bc4 Be6 17. Bxe6 Nxe6 18. Bg3 Qb6
19. Rb1 Rad8 20. Qa4 Ncd4 21. Nxd4 Rxd4 22. Qb5 Qxb5 23. Nxb5 Rd2 {Jackson,S 
(2050)-Keerthi Kumar,A (1500) Bingley ENG 2023 1/2-1/2 (59)}) ({RR} 9. h4 d6
10. e6 fxe6 11. h5 e5 12. d5 Nd4 13. Nxd4 exd4 14. Nd2 Bf5 15. g4 Bd7 16. a4 a5
17. Ne4 Qc8 18. f3 gxh5 19. Bg5 O-O 20. Rxh5 Qe8 21. Rh3 Rc8 22. Qd3 Nxa4 23.
Rxh7 Bb5 {Gemy,J (2367)-Labussiere,V (2349) http://www.chessbomb.com 2022 1-0 
(31)}) 9... O-O 10. O-O d5 11. f4 f6 $146 ({RR} 11... e6 12. Nc3 f6 13. Nf3 Bd7
14. h4 Nc8 15. h5 gxh5 16. Ne2 N8e7 17. Bc2 Be8 18. f5 fxe5 19. Ng5 exf5 20.
Ne6 Qb6 21. Nxf8 Bxf8 22. Kh1 e4 23. Bg5 Bg6 24. Bb3 Bg7 25. Rc1 Re8 26. Be3 {
Charbonneau,P (2410)-Alvarez Marquez,J (2383) Paget Parish 2001 0-1 (49)}) 12.
Nf3 Bf5 13. Nh4 Be4 14. Nc3 Kh8 15. Be3 Na5 16. Nxe4 Nxb3 17. axb3 dxe4 18. f5
fxe5 19. fxg6 Rxf1+ 20. Kxf1 Nd5 21. Bg5 h6 22. Kg1 Nf4 23. Bxf4 exf4 24. Nf5
e6 25. Nxg7 Kxg7 26. Ra4 Qd5 27. Rc4 Rd8 28. Qg4 Qd6 29. h4 b5 30. Rc1 Qxd4+
31. Kh2 Qe5 32. Rc6 f3+ 33. Qg3 Qxg3+ 34. Kxg3 fxg2 35. Kxg2 Kxg6 36. Rxe6+ Kf5
37. Rxh6 Rd2+ 38. Kf1 Rxb2 39. Rh5+ Kf4 40. Rxb5 Kf3 41. Rf5+ Ke3 42. Ra5 Rf2+
43. Kg1 Rf7 44. b4 Kd3 45. Ra3+ Kd4 46. b5 e3 47. Ra4+ Kd3 48. h5 Rg7+ 49. Kf1
e2+ 50. Kf2 Rf7+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Nunes Jr, Sidney"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nge7 ({RR} 5... f6 6. Bf4 Nge7 7.
Bg3 fxe5 8. dxe5 Ng6 9. Nbd2 Bc5 10. O-O O-O 11. c3 Bb6 12. Re1 Nce7 13. b4 c6
14. Nd4 Qd7 15. N2b3 Be4 16. f3 Bf5 17. Bf1 h5 18. Qd2 Nh8 19. a4 a6 20. a5 {
Feller,S (2666)-Bricard,E (2502) Caen 2011 1-0 (36)}) ({RR} 5... f6 6. O-O Nh6
7. c4 dxc4 8. Bxc4 Nf7 9. exf6 Qxf6 10. d5 O-O-O 11. Nc3 Nce5 12. Nxe5 Nxe5 13.
Bb3 Bc5 14. Be3 Bxe3 15. fxe3 Qg5 16. Qd4 Nc6 17. Qf4 Qxf4 18. Rxf4 Na5 19. e4
Bg6 20. dxe6 {Mushini,A (2256)-Veiga,J (2403) chess.com INT 2023 0-1 (45)}) 6.
a3 $146 ({RR} 6. Nh4 Qd7 7. Be3 O-O-O 8. f4 Nb4 9. Nxf5 Nxf5 10. Bf2 Qe7 11. c3
Nc6 12. g4 Nh4 13. Rg1 Ng6 14. f5 Nf4 15. Bf1 g5 16. f6 Qd7 17. Be3 Bh6 18. Qd2
Rhg8 19. h4 Ng6 20. hxg5 Bf8 {Vivolo,Z-Hilbers,P Hengelo 2000 1-0 (35)}) 6...
Ng6 7. Be3 f6 8. exf6 Qxf6 9. Nc3 a6 10. Qd2 Bd6 11. h4 h6 12. h5 Nge7 13. Nh4
O-O-O 14. O-O-O e5 15. Nxf5 Qxf5 16. Kb1 Kb8 17. Bf3 exd4 18. Bxd4 Ne5 19. Bxe5
Bxe5 20. Rhe1 Qf6 21. Na4 Nc6 22. Nc5 Rd6 23. Nd3 Bd4 24. c3 Bb6 25. Re2 Na5
26. Ne5 Nc4 27. Nxc4 dxc4 28. Qc2 Rhd8 29. Rxd6 Qxd6 30. Ka2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Okamura, Milton"]
[Black "Souza, Rafael Cabral"]
[Result "0-1"]
[ECO "A50"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 a6 3. Nc3 c5 4. e3 cxd4 ({RR} 4... g6 5. dxc5 Qa5 6. Bd2 Qxc5
7. b4 Qc7 8. Rc1 e6 9. a3 d6 10. Nf3 b6 11. Be2 Bb7 12. O-O Nbd7 13. Nd4 Be7
14. f3 O-O 15. e4 Rfe8 16. Be3 Rad8 17. Qd2 Qb8 18. Rfd1 Bf8 19. Kh1 {Ivanchuk,
V (2714)-Bosboom,M (2490) Wijk aan Zee 1999 1-0 (54)}) 5. exd4 d5 6. c5 $146 ({
RR} 6. Nf3 e6 7. Bg5 dxc4 8. Bxc4 Be7 9. O-O O-O 10. Re1 b5 11. Bb3 Bb7 12. Qd3
Nc6 13. a3 b4 14. Bc2 g6 15. Ne2 Nd5 16. h4 Bxg5 17. hxg5 Qd6 18. Rad1 Rfd8 19.
Ng3 Nf4 20. Qe3 Nd5 {Stanciu,A (2348)-Braun,M (2235) Hungary 2012 1-0 (38)}) ({
RR} 6. cxd5 Nxd5 7. Qb3 e6 8. Nf3 Be7 9. Bd3 Nc6 10. O-O O-O 11. Be4 Bf6 12.
Rd1 Nce7 13. Ne5 b6 14. Ng4 Ra7 15. Qc2 Ng6 16. Bxd5 exd5 17. Nxf6+ Qxf6 18.
Nxd5 Qd8 19. Nc3 Rd7 20. Be3 Bb7 {Grachev,B (2592)-Rodionov,Y (2109) Yakutsk
RUS 2023 1-0 (52)}) 6... Nc6 7. a3 g6 8. h3 Bg7 9. Nf3 O-O 10. Be2 Ne4 11. O-O
Nxc3 12. bxc3 b6 13. cxb6 Qxb6 14. Bf4 Bf5 15. Qa4 Rfc8 16. Rfc1 Qa5 17. Qb3
Qd8 18. g4 Na5 19. Qa2 Be6 20. Ng5 Qd7 21. Rab1 Rc6 22. Rb4 Rac8 23. Qb2 h6 24.
Nf3 h5 25. Ne5 Bxe5 26. Bxe5 hxg4 27. h4 f6 28. Bf4 Bf5 29. Rb6 Qe6 30. Rb4 Be4
31. Qd2 g3 32. f3 Qh3 33. Bf1 Qh2+ 34. Qxh2 gxh2+ 35. Kxh2 Bxf3 36. Bh3 f5 37.
Re1 Be4 38. h5 Rxc3 39. Ra4 Rf3 40. Bg5 Rc2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Oliveira, Aquiles"]
[Black "Boabaid, Jorge Alberto"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "133"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nc6 9. O-O-O Qc7 10. Be2 Bd7 11. Nb3 ({RR} 11. Kb1 O-O 12. Qg3 Rac8 13. Bh6 Ne8
14. f5 Nxd4 15. Rxd4 Bf6 16. Rc4 Bc6 17. fxe6 fxe6 18. Bg4 Qe7 19. a4 Be5 20.
Qh3 Nc7 21. Bc1 Rce8 22. Be2 Qd7 23. Rd1 b5 24. axb5 axb5 25. Rc5 dxc5 {
Garcia,G (2485)-Xu,J (2535) Manila 1992 0-1 (40)}) 11... Rc8 ({RR} 11... b5 12.
g4 Rc8 13. Bxf6 Bxf6 14. g5 Bxc3 15. Qxc3 Nb4 16. Qxc7 Rxc7 17. c3 Ke7 18. Kb1
Nc6 19. Rd2 Rd8 20. h4 Bc8 21. Bf3 Bb7 22. h5 a5 23. Rhd1 a4 24. Nc1 Na5 25. b3
f5 26. Kb2 {DPBalanga (2106)-canacomxadrez (2133) lichess.org 2022 0-1 (60)})
12. Rd2 $146 ({RR} 12. Kb1 b5 13. Bd3 b4 14. Ne2 a5 15. Nbd4 Nxd4 16. Nxd4 a4
17. Rc1 a3 18. Nb5 Qc5 19. Qe2 axb2 20. Kxb2 Ra8 21. Rhe1 O-O 22. e5 dxe5 23.
fxe5 Nd5 24. Bxe7 Nxe7 25. Qe4 g6 26. Qd4 Qc6 {wagnerovsky (2196)-usal (2078)
lichess.org 2019 0-1 (32)}) 12... b5 13. Rhd1 b4 14. Nb1 a5 15. e5 a4 16. exd6
Bxd6 17. Rxd6 Ne5 18. R1d2 Nxf3 19. Bxf3 Nd5 20. R6xd5 exd5 21. Re2+ Kf8 22.
Be7+ Kg8 23. Nd4 Qxf4+ 24. Rd2 Rc4 25. Ne2 Qe3 26. Bxd5 Qxe7 27. Bxc4 g6 28. a3
Kg7 29. axb4 Rb8 30. c3 Bf5 31. Na3 Qe3 32. Bd5 Rd8 33. Nc4 Qf2 34. Ng3 Qf4 35.
Nxf5+ Qxf5 36. Ne3 Qe5 37. Rd3 f5 38. c4 f4 39. Nd1 g5 40. h3 h5 41. Rd2 a3 42.
bxa3 Qa1+ 43. Kc2 Qxa3 44. b5 Re8 45. b6 Qa2+ 46. Kc1 Qa3+ 47. Kc2 g4 48. hxg4
hxg4 49. b7 f3 50. gxf3 gxf3 51. Nc3 Qf8 52. Rf2 Qf5+ 53. Kb3 Qf4 54. Rxf3 Qd6
55. Nb5 Qe5 56. Rf7+ Kh6 57. Rc7 Qe3+ 58. Kb4 Qd2+ 59. Kc5 Qf2+ 60. Kc6 Qf6+
61. Nd6 Rd8 62. Rd7 Rf8 63. Kc7 Qb2 64. Nf7+ Kg6 65. Nd8 Kh5 66. b8=Q Qe5+ 67.
Kc8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Oliveira, Tobias Luiz"]
[Black "Peres, Wallafe"]
[Result "0-1"]
[ECO "A82"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 f5 3. Nc3 Nf6 4. Bd3 fxe4 5. Nxe4 d5 ({RR} 5... Nxe4 6. Bxe4 g6
7. h4 d5 8. Bd3 Qd6 9. h5 Bf5 10. Ne2 Rg8 11. hxg6 Bxg6 12. Nf4 Nd7 13. Nxg6
hxg6 14. Qe2 O-O-O 15. Bg5 Re8 16. O-O-O Bg7 17. c3 e5 18. dxe5 Bxe5 19. Qg4
Kb8 20. Kb1 {Sergienko,S (2430)-Kopisch,M (2265) Matra 1993 1-0 (32)}) ({RR} 
5... Nxe4 6. Bxe4 g6 7. Qf3 c6 8. Nh3 Bg7 9. Ng5 Rf8 10. Qd3 Rf6 11. Nxh7 Re6
12. O-O Rxe4 13. Qxe4 Bf5 14. Qe2 Bxd4 15. c3 Bg7 16. Bg5 Qd7 17. Rfe1 e5 18.
Qc4 Qf7 19. Qxf7+ Kxf7 20. Be3 {Lauterbach,T (1546)-Ackermann,R (1886) Germany
2011 0-1 (42)}) 6. Nxf6+ exf6 7. Qh5+ Ke7 8. Qe2+ $146 ({RR} 8. Bf4 Be6 9.
O-O-O Kd7 10. Re1 Bd6 11. Nh3 g6 12. Qf3 c6 13. Rxe6 Kxe6 14. Re1+ Kd7 15. Qg4+
f5 16. Bxf5+ gxf5 17. Qg7+ Be7 18. Bg5 Re8 19. Nf4 Na6 20. Nh5 Kd6 21. Qe5+ Kd7
22. Bxe7 Qb6 {Patino Romaris,J (2261)-Garcia Bernardez,J Marin 2001 1-0}) 8...
Be6 9. Bf5 Qd7 10. Bf4 Na6 11. Nf3 Kf7 12. Bxe6+ Qxe6 13. Qxe6+ Kxe6 14. O-O
Kd7 15. c3 g5 16. Bg3 h5 17. h4 Be7 18. Rae1 Rag8 19. Re2 Rh7 20. Rfe1 Rgg7 21.
a3 b6 22. b4 Bd6 23. b5 Nb8 24. a4 Kc8 25. Re8+ Kb7 26. Kh1 Nd7 27. Kg1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Paludo, Nicolas"]
[Black "Sopko, Cassio Roberto"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. e4 {Bulletin} e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 O-O 5. d3 d5 6. exd5 Nxd5 7.
Bxd5 ({RR} 7. O-O Nxc3 8. bxc3 Bxc3 9. Rb1 Nc6 10. Ng5 h6 11. Ne4 Bd4 12. Qh5
Na5 13. Ba3 Nxc4 14. Bxf8 Qxf8 15. dxc4 g6 16. Nf6+ Kg7 17. Qf3 Bf5 18. Nd5 c6
19. Ne3 Bxe3 20. Qxe3 Qe7 21. Qc3 Kg8 {Bardossi,J (2226)-Szekely,F (2183)
Hungary 2004 1-0}) ({RR} 7. O-O Nxc3 8. bxc3 Bxc3 9. Rb1 Nc6 10. h3 h6 11. a4
Re8 12. Be3 Nd4 13. Nd2 Nf5 14. Qh5 Nd6 15. Ne4 Nxc4 16. dxc4 Bd4 17. c3 Bxe3
18. fxe3 Qe7 19. Rf3 f5 20. Ng3 Be6 21. Nxf5 Bxf5 {Aygul,H (1206)-Pulat,G 
(1539) Antalya TUR 2020 0-1 (50)}) 7... Qxd5 8. h3 b6 $146 ({RR} 8... e4 9.
dxe4 Qxe4+ 10. Be3 Nc6 11. O-O Bxc3 12. bxc3 Bf5 13. Nd4 Rad8 14. Re1 Nxd4 15.
cxd4 Qc6 16. c3 Rfe8 17. Rc1 Be6 ({RR} 17... Be4 18. f3 Bd5) 18. Qd2 Qa4 19.
Qb2 Qc6 20. Bg5 f6 21. Bf4 Bd5 22. f3 b6 23. Qf2 {Koscielski,J (2215)-Heuft,B 
(1765) Porz 1993 EXT 1999 [Bulletin] 1-0 (37)}) 9. Bd2 Bxc3 10. Bxc3 Nc6 11.
Qe2 Nd4 12. Bxd4 exd4 13. O-O c5 14. Qe4 Qxe4 15. dxe4 Re8 16. Rfe1 Bb7 17. Nd2
Re6 18. f3 Rae8 19. Kf2 g5 20. a4 a5 21. b3 f6 22. g4 Rd8 23. Rad1 Kf7 24. Nf1
Ba6 25. Nd2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pasqualotto, Amos"]
[Black "Rocha, Jean Henrique"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Nf6 3. Bg5 Be7 4. Nc3 d5 5. cxd5 Nxd5 6. Bxe7 Nxe7 7. Nf3 ({RR} 
7. e3 b6 8. Qf3 c6 9. Bd3 Bb7 10. Qg3 O-O 11. Nf3 Nd7 12. Rd1 Qb8 13. Qh4 Ng6
14. Bxg6 fxg6 15. Ng5 h6 16. Nxe6 Re8 17. Qh3 Qd6 18. Nf4 Qxf4 19. Qxd7 Ba6 20.
Qxc6 Rxe3+ 21. Kd2 Re6+ {Akhmadeev,V (2398)-Galkin,A (2607) chessassistantclub.
com INT 2004 0-1}) ({RR} 7. e4 a6 8. Nf3 b6 9. Bd3 Bb7 10. Bc2 Nbc6 11. O-O g6
12. Re1 O-O 13. Qd2 Kg7 14. Rad1 Nb4 15. Bb1 c6 16. a3 Nbd5 17. exd5 Nxd5 18.
Nxd5 cxd5 19. Rc1 Qd7 20. Ne5 Qe7 21. Re3 Rac8 {Motuza,N (1411)-Staponas,Z
Kaunas 2017 1-0}) 7... O-O 8. e3 Bd7 $146 ({RR} 8... Nbc6 9. Be2 b6 10. Qc2 Bb7
11. O-O h6 12. a3 Ng6 13. Rac1 Nce7 14. b4 a6 15. Rfd1 Rc8 16. Qb3 c6 17. a4
Nd5 18. Nxd5 cxd5 19. Rc2 Qd7 20. Rdc1 Rxc2 21. Rxc2 f5 {0-1 (21) Sostaric,
M-Stanic,S Slovenia 1992}) 9. Bd3 Nd5 10. O-O Nxc3 11. bxc3 Bc6 12. Ne5 f6 13.
Nxc6 Nxc6 14. Qc2 f5 15. Qb3 Qc8 16. Rab1 b6 17. Bc4 Rf6 18. Be2 Qb7 19. Bf3
Rb8 20. Qd1 Rd8 21. Qc2 Rg6 22. Rfd1 Nb4 23. Bxb7 Nxc2 24. Rb3 e5 25. Kf1 exd4
26. cxd4 f4 27. Rc1 Rf6 28. Rxc2 fxe3 29. Rxe3 Rxd4 30. Rxc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Passos, Rafael Moreira"]
[Black "da Cruz, Emerson"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 {Donev,I} c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e5 6. f4 d6 7. Nh3 Nge7
8. O-O Be6 ({RR} 8... h6 9. Be3 exf4 10. Nxf4 O-O 11. Qd2 Kh7 12. Rae1 ({RR} 
12. Rf2 Rb8 13. Raf1) 12... Rb8 13. Ncd5 Nxd5 ({RR} 13... Bxb2 14. c3 Ba3 15.
Nf6+ Kh8 ({RR} 15... Kg7 16. N4h5+ gxh5 17. Bxh6+ Kh8 18. Qg5) 16. N4d5 Nxd5
17. exd5 Ne5 18. Bxh6) 14. exd5 ({RR} 14. Nxd5 Be6 ({RR} 14... Bxb2 15. c3 Ba3
16. Bxh6) 15. c3) 14... Ne7 15. Bf2 ({RR} 15. d4 b6 16. c3 Nf5) 15... Nf5 16.
Be4 ({RR} 16. c3 b5) 16... b5 ({RR} 16... Bxb2 17. c3 Ba3 18. Ng2 b5) 17. g4 ({
RR} 17. c3 b4) 17... Qg5 ({RR} 17... Nd4 18. c3 f5 19. Bg2) 18. Kh1 ({RR} 18.
Bxf5 gxf5) 18... Be5 ({RR} 18... Qxg4 19. Rg1) 19. gxf5 ({RR} 19. Bxc5 Ng3+ ({
RR} 19... dxc5 20. gxf5 gxf5 21. Bg2 Bxb2 22. c3 Ba3 23. Rf3) 20. hxg3 dxc5 21.
Qa5 Bxg4 ({RR} 21... Qxg4 22. Bxg6+ fxg6 23. Rxe5) 22. Qxa7 {RR} Ra8 23. Qxc5
Rfc8) 19... Bxf4 20. Be3 ({RR} 20. fxg6+ fxg6 21. Qa5 Qh5 22. Qc7+ ({RR} 22.
Bg1 Rb7) 22... Kg8 23. Bg3 Bxg3 ({RR} 23... Rb7 24. Rxf4 Rxc7 25. Rxf8+ Kxf8
26. Bxd6+ Kf7 27. Bxc7) 24. Rxf8+ Kxf8 25. Qd8+ Kf7 26. Bxg6+ Kxg6 27. Qe8+ Kg5
28. Qe7+ Kg4 29. Qe4+) 20... Bxe3 21. Qxe3 gxf5 22. Bg2 ({RR} 22. Qxg5 hxg5 23.
Bxf5+ Bxf5 24. Rxf5 Kg6 25. Ref1 f6) 22... Rg8 23. Bh3 {Short,N (2677)-Ye,J 
(2670) Shenyang 2000 CBM 079 [Donev,I] 0-1 (47)} ({RR} 23. Qxg5 Rxg5 24. Re7
Kg6)) ({RR} 8... O-O 9. f5) ({RR} 8... h5 9. f5 gxf5 10. Bg5 fxe4 11. Nxe4 Bg4
12. Qd2 f5 13. Nf6+ Kf7 14. Nxg4 hxg4 15. Nf2 Kg6 16. Nxg4 Nd4 17. c3 Ne6 18.
Bxe7 Qxe7 19. Ne3 Raf8 20. Nxf5 Rxf5 21. Be4 Rhf8 22. Rxf5 Rxf5 23. g4 {
Martic,I (2270)-Dwilewicz,K (2124) chess.com INT 2023 1-0 (51)}) 9. Ng5 Bd7
$146 ({RR} 9... Qd7 10. Nxe6 fxe6 11. fxe5 Nxe5 12. Ne2 N7c6 13. Rb1 O-O-O 14.
Nf4 Rhf8 15. c3 Rf7 16. Be3 Rdf8 17. Qe2 g5 18. Nh5 Rxf1+ 19. Rxf1 Rxf1+ 20.
Qxf1 h6 21. Bh3 g4 22. Bg2 Nd8 23. d4 cxd4 24. cxd4 {Liesecke,A (2070)
-Grossmann,H Germany 1994 1/2-1/2 (49)}) 10. f5 h6 11. fxg6 hxg5 12. Rxf7 Nxg6
13. Rxg7 Qf6 14. Rxd7 Kxd7 15. Nd5 Qf7 16. Qg4+ Qe6 17. Qxe6+ Kxe6 18. Nc7+ Kf6
19. Nxa8 Rxa8 20. c3 b5 21. Be3 Nge7 22. Rf1+ Kg6 23. Bh3 Rg8 24. Bf5+ Kh5 25.
g4+ Kh6 26. h4 Nxf5 27. Rxf5 Kh7 28. Bxg5 Kg6 29. Rf6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pereira, Geanfrancesco"]
[Black "Federzoni, Enzo"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 d6 3. b3 Nc6 4. Bb2 Nf6 5. h3 ({RR} 5. g3 e5 6. Bg2 g6 7. Nge2
Bg7 8. O-O O-O 9. f4 exf4 10. Nxf4 Ng4 11. Nfe2 Nd4 12. h3 Ne5 13. Nxd4 cxd4
14. Nd5 Be6 15. Nf4 Qg5 16. Kh2 Nc6 17. c4 h5 18. d3 Rae8 19. Bc1 Qd8 {Blatny,
P (2485)-Chandler,M (2535) Germany 1995 0-1 (78)}) ({RR} 5. Nge2 e6 6. g3 Be7
7. Bg2 O-O 8. O-O a6 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qc7 12. Na4 b5 13. Nb6
Rb8 14. Nxc8 Rfxc8 15. Rac1 Qc5 16. Qd2 Nd7 17. c4 b4 18. Rfd1 a5 19. Bd4 Qc7 {
Jacutina,J (2254)-Pena Flores,L (1659) lichess.org INT 2022 1-0 (38)}) 5... e6
6. g4 h6 7. Nge2 $146 ({RR} 7. Bg2 Be7 8. Nge2 a6 9. d4 cxd4 10. Nxd4 Bd7 11.
Qd2 Qc7 12. O-O-O O-O-O 13. Kb1 Kb8 14. f4 Nxd4 15. Qxd4 Bc6 16. Rhe1 Rc8 17.
Re2 Rhd8 18. a4 d5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Qxg7 Bxg2 {Leino,P (1959)
-Riihimaki,P (1966) Finland 2016 1/2-1/2 (53)}) 7... Nd4 8. Bg2 Bd7 9. O-O Bc6
10. Ng3 Qc7 11. f4 Nd7 12. Nb1 Qd8 13. a4 Qb6 14. Na3 d5 15. exd5 Bxd5 16. Bxd5
exd5 17. Re1+ Kd8 18. Kg2 g6 19. Ne2 a6 20. a5 Qf6 21. Nxd4 cxd4 22. Qf3 Bd6
23. Rf1 Re8 24. Rf2 Re4 25. Raf1 Kc7 26. d3 Rxf4 27. Qxd5 Re8 28. Nc4 Re7 29.
Ba3 Bxa3 30. Rxf4 Re2+ 31. R1f2 Qxf4 32. Rxe2 Bf8 33. Rf2 Qc1 34. Nb6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pimentel, Lucas Santos"]
[Black "Cella, Glaucio"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nc6 4. O-O e5 5. d3 f6 6. c4 Be6 7. cxd5 Bxd5 8. Nc3
Be6 9. Be3 Qd7 10. Ne4 $146 ({RR} 10. Qa4 Rc8 11. Rfc1 b6 12. a3 Na5 13. Nd2
Qxa4 14. Nxa4 Nb3 15. Nxb3 Bxb3 16. Nc3 Ne7 17. Nb5 Nc6 18. Bxc6+ Rxc6 19. Nxa7
Re6 20. a4 Be7 21. a5 O-O 22. Rc3 Bd5 23. Nb5 Rc6 24. a6 Ra8 {Bradac,R (1998)
-Bazala,V (1819) Trebic 2013 1-0 (53)}) 10... Nd4 11. Qd2 Bh3 12. Bxd4 Bxg2 13.
Kxg2 cxd4 14. Rfc1 Bd6 15. Qa5 Ne7 16. Nxd6+ Qxd6 17. Rc7 Nc6 18. Rxc6 Qxc6 19.
Qa3 g5 20. Kg1 Kf7 21. Nd2 h5 22. Ne4 Kg6 23. h4 gxh4 24. gxh4 Rhg8 25. Kh2 Kh6
26. Ng3 Qe6 27. Qe7 Qxe7 28. Nf5+ Kh7 29. Nxe7 Rg4 30. f3 Rg7 31. Nf5 Rc7 32.
Rg1 Rg8 33. Ng3 Rcg7 34. Kh3 f5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pinto, Pedro Jorge M"]
[Black "Zanette, Edgard"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. d3 Nf6 5. Nbd2 Be7 6. g3 O-O 7. Bg2 h6 8. O-O
Nbd7 9. Nd4 ({RR} 9. Ne5 Nxe5 10. Bxe5 Nd7 11. Bb2 Bh7 12. e4 c6 13. Qe2 a5 14.
a3 b5 15. Rfd1 Re8 16. Nf3 Bf8 17. a4 Qb6 18. axb5 cxb5 19. exd5 exd5 20. Qd2
a4 21. b4 Rac8 22. Bd4 Qd6 23. c3 Nb8 {Nakamura,H (2750)-Caruana,F (2781)
chess.com INT 2022 1-0 (62)}) ({RR} 9. Re1 c6 10. h3 Bh7 11. e4 Ne8 12. Qe2 Nd6
13. Nh2 Re8 14. f4 Nb5 15. a4 Bc5+ 16. Kh1 Bd4 17. Bxd4 Nxd4 18. Qd1 Qa5 19.
Rc1 Qc3 20. Nb1 Qb2 21. b4 dxe4 22. dxe4 Nb6 23. c3 Red8 {Stoleriu,G (2419)
-Manea,A (2355) Eforie Nord ROU 2022 1/2-1/2 (53)}) 9... Bh7 10. e4 c5 $146 ({
RR} 10... dxe4 11. dxe4 c6 12. Qe2 Qc7 13. Rfe1 e5 14. Nf5 Bc5 15. Rad1 Rfe8
16. Bh3 b5 17. a3 Bf8 18. Qf3 g6 19. Ne3 Bg7 20. c4 Nc5 21. Bf1 a6 22. b4 Ne6
23. Nc2 Rad8 24. Qc3 Nd4 25. cxb5 {Sorensen,B (2256)-Striebich,R (2190)
Dresden 2013 0-1 (45)}) 11. Ne2 Qc7 12. Nf4 dxe4 13. dxe4 Rad8 14. Qe2 Ne5 15.
Rad1 Nc6 16. Qc4 Nd4 17. a4 a6 18. Rfe1 b5 19. axb5 axb5 20. Qc3 e5 21. Nd3 Bd6
22. Nc1 Bg6 23. Qd3 Bh5 24. f3 Qb6 25. Kh1 Bc7 26. g4 Ne6 27. Qe3 Bg6 28. Nd3
Nd7 29. b4 Rfe8 30. bxc5 Nexc5 31. Nb4 Na4 32. Qxb6 Ndxb6 33. Ba1 Re6 34. Bf1
Red6 35. Bxe5 Rxd2 36. Rxd2 Rxd2 37. Bxc7 Nc4 38. Bxc4 bxc4 39. Ra1 Nc3 40. Be5
Nxe4 41. fxe4 Bxe4+ 42. Kg1 Bxc2 43. Nxc2 Rxc2 44. Ra8+ Kh7 45. Rc8 Re2 46. Rc5
f6 47. Bc3 Re4 48. h3 Re3 49. Rxc4 Rxh3 50. Kg2 Rd3 51. Rc7 Kg6 52. Bb4 Rd4 53.
Bf8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pironti, Francisco"]
[Black "Lima, Carlos Eduardo A"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 {Lukacs,P} c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7.
N1e2 Nf6 8. O-O Bd6 9. f4 O-O ({RR} 9... Qd7 10. Bd3 Bxd3 11. Qxd3 g6) ({RR} 
9... Ne4 10. f5 Bxg3 11. Nxg3 Nxg3 12. fxg6 Nxf1 13. gxf7+ Kxf7 14. Qg4 Re8 15.
Bh6) ({RR} 9... Bf5) ({RR} 9... Qc7 10. f5 exf5 11. Nxf5 Bxh2+ ({RR} 11... Bxf5
12. Rxf5 Nbd7 13. Ng3 O-O-O 14. Bxf7 Rhf8 15. Bb3 Bxg3 16. hxg3 Qxg3 17. Bf4
Qg6 18. Rg5 Qe8 19. Qf3) 12. Kh1 O-O ({RR} 12... Bxf5 13. Rxf5 Bd6 14. Bg5 Nbd7
15. Nf4) 13. Qe1 Bd6 14. Nxg7 Kxg7 15. Rxf6 Nd7 ({RR} 15... Kxf6 16. Qh4+ Kg7
17. Bh6+ Kg8 18. Qf6) 16. Qh4 b5 ({RR} 16... Nxf6 17. Bh6+) 17. Bd3 Rfe8 18.
Rf3 Qd8 19. Bg5 Be7 20. Bxg6 hxg6 21. Qh6+ Kg8 22. Rh3 Bf6 23. Rf1) 10. f5 exf5
11. Nxf5 Bxf5 12. Rxf5 Ng4 ({RR} 12... Nbd7 13. h3 ({RR} 13. Bg5 Qc7 14. Kh1
Rae8 15. Qd3 b5 16. Bb3 Ne4 17. Raf1 Nxg5 18. Rxg5 Re7 19. Ng3 Bxg3 20. Rxg3
Qd6 21. Rh3) 13... Qc7 14. Qf1 Nb6 ({RR} 14... Rae8 15. Bb3 ({RR} 15. Bd3 Re7
16. Bg5 ({RR} 16. Qf3 Rfe8) 16... Rfe8 17. Bxf6 Nxf6 18. Rxf6 gxf6 19. Qf5 Rxe2
20. Qxh7+ Kf8 21. Qh6+ Kg8 ({RR} 21... Ke7 22. Bxe2 Bf4 23. Qh4 Be3+ 24. Kh1))
15... Re7 ({RR} 15... Nb6 16. Rxf6 gxf6 17. Bh6) 16. Bg5 Rfe8 17. Nc3 ({RR} 17.
Nf4 h6 18. Bxf6 Nxf6 19. Rxf6 gxf6 20. Nh5 Bh2+ 21. Kh1 Kf8 22. Nxf6 Rd8) 17...
h6 18. Bf4 Bxf4 19. Rxf4 Qd6 20. Qf2) 15. Bd3 Nfd7 ({RR} 15... Rfe8 16. Rxf6
gxf6 17. Qf5) ({RR} 15... Nbd5 16. Bg5 Rfe8 17. Bxf6 Nxf6 18. Rxf6 gxf6 19. Qf5
) ({RR} 15... Nfd5 16. Bd2 ({RR} 16. c4 Nb4) 16... Rfe8 17. Qf2 ({RR} 17. Qf3
g6) 17... Re7 18. Rf1 ({RR} 18. Qh4 g6 19. Rf3 Rae8) 18... Rae8 19. a3 f6 ({RR
} 19... Na4 20. Bc1 ({RR} 20. c4 Nxb2) 20... b5 ({RR} 20... Nab6 21. c4 Nf6 22.
Rxf6) 21. Rxd5 cxd5 22. Bxb5) 20. Rf3) 16. Qf2 Nd5 ({RR} 16... Rae8 17. Qh4)
17. Qh4 g6 ({RR} 17... Nb4 18. Rh5 Nxd3 ({RR} 18... h6 19. Bxh6 Nxd3 20. Bxg7)
19. Rxh7) 18. Bh6 Rfe8 19. Raf1 Re7 ({RR} 19... gxf5 20. Qg5+) 20. Nc3 Nxc3 ({
RR} 20... N7b6 21. Nxd5 Nxd5 22. Rxd5) 21. bxc3 b5 ({RR} 21... Nf8 22. Rxf7
Rxf7 23. Bc4) ({RR} 21... f6 22. Bc4+ Kh8 23. Rxf6) 22. Bg5 Bh2+ 23. Kh1 Bg3 ({
RR} 23... f6 24. Bxf6 Re6 25. R5f3 ({RR} 25. Qxh7+ Kxh7 26. Rh5+ Kg8 27. Rh8+
Kf7 28. Rh7+ ({RR} 28. Be5+ Rf6) 28... Kg8 29. Rh8+ ({RR} 29. Rg7+ Kh8 30.
Rxd7+ Kg8))) 24. Qh6 Rae8 ({RR} 24... gxf5 25. Bxe7) 25. Bxe7 Rxe7 26. R5f3 Nb6
27. Qg5 {Sadvakasov,D (2568)-Adianto,U (2598) Liepaja 2001 CBM 085 [Lukacs,P]
1-0 (32)}) ({RR} 12... Qc7 13. Ng3 Bxg3 14. hxg3 Qxg3 15. Bf4 Qg4 16. Qxg4 Nxg4
17. Re1 b5 18. Bxf7+ Kh8 19. Bd6 Rd8 20. Re8+ Rxe8 21. Bxe8 Nf6 22. Bxb8 Rxb8
23. Bxc6 Rc8 24. d5 Kg8 25. c3 Rb8 26. Re5 Kf7 27. b3 {Remizov,Y (2437)-Mizzi,
J (2043) chess.com INT 2023 1-0 (47)}) 13. Ng3 $146 ({RR} 13. Kh1 Qh4 14. h3
Nf2+ 15. Rxf2 Qxf2 16. Bb3 Re8 17. Bc4 Nd7 18. b3 Nb6 19. Bd3 Nd5 20. Bb2 Nb4
21. Bc4 b5 22. Bd3 Nxd3 23. Qxd3 Rxe2 24. Rg1 Re1 {0-1 (24) Arcos Facio,
M-Panizza,C Bento Goncalves 2000}) 13... Nf6 14. Bg5 Nbd7 15. Qf3 Bxg3 16. hxg3
Qb6 17. c3 Rae8 18. Rf1 c5 19. dxc5 Qc6 20. Qxc6 bxc6 21. Bf4 g6 22. Rg5 Kg7
23. Bd6 Rg8 24. Bxf7 Kxf7 25. Rg4 Re2 26. b4 Rge8 27. Rgf4 Rxa2 28. b5 Rc8 29.
b6 axb6 30. cxb6 Rb2 31. Bc7 Kg7 32. Ra4 Nd5 33. Ra7 Kg8 34. c4 N5xb6 35. Bxb6
Nxb6 36. Rff7 Rb1+ 37. Kh2 Re1 38. Rg7+ Kh8 39. Rxh7+ Kg8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pomar, Marcelo"]
[Black "Borges, Ivoney"]
[Result "1-0"]
[ECO "B37"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. e4 {Le Quang Liem} c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6
7. Nc3 O-O 8. Be2 a6 9. O-O d6 10. Be3 e6 ({RR} 10... Rb8 11. f3 Be6 12. Qd2
Nd7 13. Rab1 f5 14. exf5 Bxf5 15. Rbc1 ({RR} 15. Rbd1 Qa5 16. Nd4 Nxd4 17. Bxd4
Bxd4+ 18. Qxd4 Qc5) 15... Qa5 16. Qd5+ ({RR} 16. b4 Qe5 17. Nd5 Bxc2 ({RR} 
17... e6 18. Ne7+ Nxe7 19. Bd4) 18. Rxc2 e6 19. f4 Qf5 20. Bd3) 16... Kh8 ({RR
} 16... Qxd5 17. cxd5 Nce5 18. Nd4 Rfc8 19. Rfd1 Nf6) ({RR} 16... Rf7 17. Qxa5
Nxa5 18. Nd4 Nc6 19. Nxf5 Rxf5 ({RR} 19... gxf5 20. c5) 20. Rfd1) 17. Qxa5 Nxa5
18. Nd4 Nc6 19. Nxf5 gxf5 20. Rfd1 ({RR} 20. f4 Bd4 21. Bxd4+ Nxd4 22. Rfd1 e5)
20... f4 21. Bf2 Nc5 22. b3 Ne6 23. Bd3 Bd4 24. Be4 Bxf2+ 25. Kxf2 {Hammer,J 
(2647)-Le,Q (2664) Wijk aan Zee 2011 CBM 141 [Le Quang Liem] 0-1 (39)}) 11. Qd2
Qc7 12. f3 b6 $146 ({RR} 12... Rd8 13. Rfd1 Ne8 14. Na4 Rb8 15. Bb6 {1-0 (15)
Lekic,L (2075)-Radosevic,P Cetinje 2014}) 13. Rac1 Rd8 14. b4 Ne5 15. Na3 Rb8
16. Rfd1 Bb7 17. Qe1 Ba8 18. Qf2 Ned7 19. Bf4 e5 20. Bg5 h6 21. Be3 Nh5 22. Nd5
Bxd5 23. cxd5 Qb7 24. Rc6 Bf8 25. Rdc1 Rdc8 26. Bf1 Nhf6 27. g3 g5 28. Bh3 Rd8
29. Nc4 Rbc8 30. Nxb6 g4 31. Bxg4 Nxg4 32. fxg4 Nxb6 33. Bxb6 Rxc6 34. dxc6 Qc8
35. Bxd8 Qxd8 36. c7 Qc8 37. Qf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Pontes, Felipe"]
[Black "Lima, Lucas Taveira"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. e3 Nc6 ({RR} 6... f6 7.
Qb3 Nf4 8. Qxb7 Nxg2+ 9. Qxg2 Nd7 10. Qc6 Bd6 11. Nb5 Ke7 12. d4 Nb6 13. f3 Bd7
14. Qe4 Bxb5 15. dxe5 Bxe5 16. Qb4+ Qd6 17. Qxb5 f5 18. Bd2 Nd5 19. e4 fxe4 20.
fxe4 c6 21. Qa5 {Leal Licon,D (1383)-Urriola Torres,V (1148) Panama City PAN
2023 1-0 (31)}) 7. a3 ({RR} 7. Nge2 Be7 8. O-O Qd7 9. a3 O-O 10. Qc2 f5 11. d3
Rad8 12. Rd1 Nxc3 13. bxc3 e4 14. Nf4 Bc4 15. d4 Na5 16. Rb1 g5 17. Ne2 Bd3 18.
Qa2+ Qd5 19. Qxd5+ Rxd5 20. Rxd3 exd3 21. Bxd5+ Kg7 {Hajnal,G (2078)-Veres,J 
(2142) Heves 2001 1/2-1/2 (50)}) 7... Qd7 8. d3 $146 ({RR} 8. Nge2 Nb6 9. O-O
Bh3 10. f4 Bxg2 11. Kxg2 exf4 12. Nxf4 Bd6 13. Qf3 Bxf4 14. Qxf4 f6 15. Kg1
O-O-O 16. Qf5 Qxf5 17. Rxf5 Rd3 18. Rf4 Na5 19. Rb4 Nac4 20. Ne4 Re8 21. Nf2
Rd5 22. e4 Rd7 {Protasov,V (1723)-Polosin,E (1903) Cheliabinsk 2011 0-1 (60)})
8... O-O-O 9. Nf3 f6 10. d4 h5 11. Na4 e4 12. Nd2 f5 13. Nc5 Bxc5 14. dxc5 h4
15. b4 hxg3 16. hxg3 Rxh1+ 17. Bxh1 Rh8 18. Bg2 Rh2 19. Bf1 Ne5 20. Bb2 Nd3+
21. Bxd3 exd3 22. Qf3 g5 23. e4 fxe4 24. Nxe4 g4 25. Qf8+ Qd8 26. Qxd8+ Kxd8
27. Ng5 d2+ 28. Kxd2 Rxf2+ 29. Ke1 Rxb2 30. Nxe6+ Ke7 31. Nd4 Rh2 32. Rd1 Nc3
33. Nf5+ Kf6 34. Rd3 Rh1+ 35. Kf2 Ne4+ 36. Ke2 Kxf5 37. Rd8 Ra1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Proudian, Armen"]
[Black "Campelo, Danilo"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Ne7 6. Ne2 Nbc6 7. c3 O-O 8.
Bf4 Re8 9. O-O Bf5 10. Nd2 Bxd3 11. Qxd3 Bxf4 $146 ({RR} 11... Ng6 12. Bg3 Re6
13. Rfe1 Qe7 14. Bxd6 Qxd6 15. Nf3 Rae8 16. Qd2 Qe7 17. Kf1 Nh4 18. Neg1 Re4
19. Nxh4 Qxh4 20. Nf3 Qh5 21. Qg5 Qxg5 22. Nxg5 Rxe1+ 23. Rxe1 Rb8 24. Nh3 Kf8
25. Nf4 Rd8 26. h4 {Zilberman,Y (2388)-Baron,T (2547) Jerusalem 2017 1/2-1/2 
(31)}) 12. Nxf4 Ng6 13. Nxg6 hxg6 14. Rae1 Qd7 15. Qb5 b6 16. h3 Qd6 17. Nf3
Kf8 18. Nh2 Rxe1 19. Rxe1 Re8 20. Rxe8+ Kxe8 21. Ng4 Kd8 22. Ne3 Ne7 23. Qa6
Nc6 24. Qb7 a5 25. Qa8+ Ke7 26. Qg8 Qe6 27. Qxg7 b5 28. Qh6 Kd7 29. Qf4 f5 30.
f3 Ne7 31. Kf2 b4 32. cxb4 axb4 33. Nc2 Qb6 34. Qe3 Qa5 35. Qb3 c5 36. Kg3 Kd6
37. dxc5+ Kxc5 38. Qe3+ Kd6 39. Nd4 Qxa2 40. Qe6+ Kc5 41. Nc2 Nc6 42. Qxc6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Rezende, Uelton"]
[Black "Silva, Alex Castro"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. h3 c6 8. a4
a5 9. Re1 Qc7 10. Bb3 ({RR} 10. Nh4 Nb6 11. Ba2 d5 12. dxe5 Nxe4 13. Nxe4 Bxh4
14. Qh5 Be7 15. Ng3 Nxa4 16. c3 Nc5 17. Bb1 g6 18. Qh6 f5 19. exf6 Bxf6 20. Bf4
Qf7 21. Bd6 Ne6 22. Bxf8 Bg5 23. Qxg5 Nxg5 24. Bh6 Ne6 {Amanov,Z (2399)
-Khachiyan,M (2507) Agoura Hills 2013 0-1 (42)}) 10... h6 11. Be3 Re8 12. Qd2
$146 ({RR} 12. Nh4 exd4 13. Bxd4 Nc5 14. e5 dxe5 15. Bxe5 Qd8 16. Bxf6 Qxd1 17.
Raxd1 gxf6 18. Ng6 Be6 19. Bxe6 fxe6 20. Ne4 Nxe4 21. Rxe4 Kf7 22. Nxe7 Rxe7
23. Rh4 Kg6 24. Rd6 f5 25. Rhd4 Rae8 26. Kf1 h5 {Katkov,M (2078)
-Golovchanskaya,A (1681) Haifa ISR 2021 1/2-1/2 (68)}) 12... Nf8 13. Nh4 ({RR} 
13. Red1 Be6 14. d5 Bd7 15. Qd3 Ng6 16. Nh2 Nh5 17. Ne2 c5 18. g4 Nhf4 19. Bxf4
exf4 20. c4 Ne5 21. Qd2 Qb6 22. Qc2 Bg5 23. Nc1 {1/2-1/2 (25) Bonvini,A (1941)
-Machado,L (1765) Florianopolis BRA 2022}) 13... Nxe4 14. Nxe4 Bxh4 15. dxe5 d5
16. Nd6 Rxe5 17. Bf4 Rxe1+ 18. Rxe1 Bg5 19. Nxc8 Bxf4 20. Ne7+ Qxe7 21. Rxe7
Bxd2 22. Rxb7 Ne6 23. c3 Nc5 24. Rb6 Nxb3 25. Rxb3 Bf4 26. Rb6 Rb8 27. Rxc6
Rxb2 28. g3 Bd2 29. Rc5 d4 30. cxd4 Rb4 31. d5 Rxa4 32. Rc6 Rd4 33. d6 Bb4 34.
Rc8+ Kh7 35. Rc7 Rxd6 36. Rxf7 Ra6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Ribeiro, Fabiano Pinto"]
[Black "Bandeira, Tarciano"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 c6 6. Bg2 Bd6 7. Nf3 O-O 8. O-O
Re8 9. Re1 Bg4 ({RR} 9... h6 10. a4 a5 11. Qd3 Na6 12. e4 Nb4 13. Qb1 dxe4 14.
Ne5 Bf5 15. f4 Nd3 16. Re2 Bc7 17. Bxe4 Bxe4 18. Nxe4 Qxd4+ 19. Be3 Qxe4 20.
Qxd3 Rxe5 {0-1 (20) Niedermayer,A (2030)-Haba,P (2485) Wattens 1996}) 10. h3
Bf5 $146 ({RR} 10... Bh5 11. g4 Bg6 12. Nh4 Be4 13. Nxe4 Nxe4 14. Nf5 Bc7 15.
Bxe4 dxe4 16. Be3 g6 17. Nh6+ Kg7 18. Qb3 Re7 19. Qxb7 Bh2+ 20. Kxh2 Rxb7 21.
Rad1 Rd7 22. g5 c5 23. Bf4 Nc6 24. e3 cxd4 25. exd4 {Homa,B-Reichelt,H
Ueberlingen 2000 0-1 (48)}) ({RR} 10... Bh5 11. Bg5 Nbd7 12. Qc2 Bg6 13. Qb3
Qb6 14. Qxb6 axb6 15. Nh4 Bb4 16. Nxg6 hxg6 17. e4 Bxc3 18. bxc3 dxe4 19. Re2
Ra3 20. c4 Rc3 21. Bxf6 Nxf6 22. Rb2 Rxc4 23. Rxb6 Re7 24. Rab1 Rxd4 25. Rxb7 {
Mosutha,T (1949)-Cremisi,D (2161) chess.com INT 2022 1/2-1/2 (101)}) 11. Nh4
Be4 12. Nxe4 Nxe4 13. Nf3 Nd7 14. a3 a5 15. Bd2 Ndf6 16. Bg5 h6 17. Bxf6 Qxf6
18. e3 Re6 19. Rc1 Rae8 20. Qd3 Qf5 21. Qc2 Rf6 22. Re2 Qe6 23. Rce1 Bb8 24.
Nh2 Ng5 25. Ng4 Nf3+ 26. Bxf3 Rxf3 27. e4 Qg6 28. Kg2 dxe4 29. Rxe4 Rxe4 30.
Qxe4 Qxe4 31. Rxe4 Rb3 32. Re8+ Kh7 33. Rxb8 Rxb2 34. Ne5 f6 35. Nxc6 a4 36.
Nb4 Rb3 37. Rxb7 Rxa3 38. d5 Kg8 39. d6 Kf8 40. d7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Rocha, Matheus Eugenio"]
[Black "Kruger, Israel"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "31"]
[EventDate "2021.??.??"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. e4 Nc6 5. Nc3 Bg4 6. Be3 e5 7. d5 Nce7 8. Be2
h6 ({RR} 8... Bh6 9. Bxh6 Nxh6 10. Qd2 Nhg8 11. O-O-O Bxf3 12. Bxf3 Qd7 13. Kb1
f5 14. exf5 Nxf5 15. Ne4 O-O-O 16. Bg4 Kb8 17. c5 Qa4 18. Rhe1 Nge7 19. c6 bxc6
20. dxc6 Ka8 21. Bxf5 gxf5 22. Nc3 Qxc6 23. Rc1 {Ding Liren (2799)-Nakamura,H 
(2736) chess.com INT 2021 1/2-1/2 (74)}) ({RR} 8... Nf6 9. Qd2 Nd7 10. Bh6 O-O
11. h3 Bxf3 12. gxf3 f5 13. Bxg7 Kxg7 14. h4 f4 15. O-O-O h5 16. Rdg1 Kh6 17.
Rg5 Rf6 18. Rhg1 Nf8 19. Bf1 c5 20. dxc6 bxc6 21. c5 Rb8 22. cxd6 Rxd6 23. Qc2
{Baziuk,V (2201)-Yayloyan,K (2327) chess.com INT 2023 0-1 (54)}) ({RR} 8...
Bxf3 9. Bxf3 f5 10. Qa4+ Qd7 11. Qxd7+ Kxd7 12. b4 Nf6 13. Bg5 a5 14. Rb1 axb4
15. Rxb4 Ra3 16. Rb3 Rha8 17. O-O Nc8 18. exf5 gxf5 19. Nb5 Rxa2 20. Rfb1 e4
21. Bd1 Ra1 22. Nd4 Rxb1 23. Rxb1 {Blau,V (1363)-Kruger,I (1902) Caioba BRA
2018 0-1 (45)}) 9. Nd2 Bxe2 10. Qxe2 Qd7 $146 ({RR} 10... f5 11. f3 Nf6 12. c5
O-O 13. Rc1 fxe4 14. fxe4 Qd7 15. cxd6 cxd6 16. Nf3 a6 17. O-O b5 18. b4 g5 19.
Kh1 Ng6 20. g3 Rac8 21. Nd2 Rf7 22. a3 Qh3 23. Na2 Rfc7 24. Rxc7 Rxc7 25. Rc1 {
Reischl,M (2025)-Goetz,A (2007) Bayern 2011 0-1 (35)}) 11. c5 Nf6 12. cxd6 cxd6
13. f3 O-O 14. O-O Nh5 15. Qb5 Rfd8 16. Qxd7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Rodrigues, Julliano"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "116"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. g3 O-O 14. Bg2 Bg5 15.
O-O Ne7 16. Nce3 Be6 17. Qd3 Bxe3 18. Nxe3 Qc7 ({RR} 18... Qb6 19. Kh1 Rac8 20.
b3 Kh8 21. Rad1 Rcd8 22. Nf5 Nc6 23. Qe3 Qc7 24. Qd3 Qb6 25. Ne3 Ne7 {1/2-1/2 
(25) Fedorov,A (2620)-Radjabov,T (2742) Kemer 2007}) 19. Rac1 ({RR} 19. b3 Rfd8
20. Nd5 Nxd5 21. cxd5 Bd7 22. Rfc1 Qb6 23. Qe3 Qxe3 24. fxe3 Rdc8 25. Bf1 Rxc1
26. Rxc1 Rc8 27. Rxc8+ Bxc8 28. Kf2 Kf8 29. Bd3 Ke7 30. Kf3 h6 31. Kf2 {
1/2-1/2 (31) Csonka,A (2321)-Horvath,P (2391) Hungary HUN 2023}) 19... Rfd8 20.
Nd5 $146 ({RR} 20. Kh1 a4 21. f4 f6 22. Nd5 Qb7 23. Nxe7+ Qxe7 24. f5 Bf7 25.
Rfd1 Qc7 26. Bf3 Kf8 27. g4 Qc5 28. Rd2 Ke7 29. Kg2 Rdb8 30. Be2 b3 31. a3 Rc8
32. Rc3 Ra6 33. Rd1 Rac6 34. Rdc1 Qd4 {Orsini,A (2341)-Felgaer,R (2566) La
Plata 2008 0-1 (44)}) 20... Qa7 21. Nxe7+ Qxe7 22. Rfd1 a4 23. h4 Qc7 24. Rd2
Qb6 25. b3 Qc5 26. Rcd1 f6 27. Qe2 Kf8 28. Qh5 h6 29. Rd3 axb3 30. axb3 Ra2 31.
R1d2 Ra1+ 32. Rd1 Rda8 33. Qe2 R8a2 34. R3d2 Qa7 35. Rxa2 Rxa2 36. Rd2 Ra1+ 37.
Rd1 Ke7 38. Qd2 Rxd1+ 39. Qxd1 Qa2 40. Qd3 Qa1+ 41. Kh2 Qc3 42. Qb1 Qd2 43. Kg1
Bg4 44. Bf1 Qd1 45. Qa2 Kf7 46. Qa7+ Kg6 47. Qe3 Qd4 48. Qe1 Qc3 49. Qb1 Qd2
50. Qa1 Qd1 51. Qa2 Bf3 52. Qa8 Be2 53. h5+ Kh7 54. Qe8 Qxf1+ 55. Kh2 Qxf2+ 56.
Kh3 Bf1+ 57. Kh4 Qh2+ 58. Kg4 Be2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Santiago, Mauro"]
[Black "Ferreira, Fernando G"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Bg5 Be7 5. Nc3 O-O 6. e3 h6 7. Bh4 b6 8. cxd5
Nxd5 9. Bxe7 Qxe7 10. a3 Nxc3 11. bxc3 Bb7 12. Bd3 Nd7 13. O-O Rfd8 14. Re1 c5
15. e4 cxd4 $146 ({RR} 15... Rac8 16. e5 cxd4 17. cxd4 Rc3 18. a4 Nc5 19. Be2
Nb3 20. a5 Nxa1 21. Qxa1 Qc7 22. axb6 axb6 {0-1 (22) Medl,F-Antal,J Keszthely
1994}) 16. cxd4 e5 17. d5 Rac8 18. Bf1 Rc3 19. Qa4 a5 20. Nd2 Nc5 21. Qd1 Rc8
22. Nb1 Rb3 23. Nd2 Rc3 24. Nb1 Rb3 25. Nd2 Rb2 26. Nc4 Rb3 27. Nd2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Santos, Clecio Franca"]
[Black "da Rosa, Henrique"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Be7 5. Re1 O-O 6. c3 Nxe4 ({RR} 6... d5
7. exd5 Nxd5 8. Nxe5 Nxe5 9. Rxe5 c6 10. d4 Bd6 11. Re1 Qh4 12. g3 Qh3 13. Qf3
Bg4 14. Qg2 Qh5 15. Bf1 Rae8 16. Be3 f5 17. c4 f4 18. cxd5 fxe3 19. Rxe3 Rxe3
20. fxe3 Bf3 21. Qh3 {Bornholdt,J (2260)-Szente Varga,F (2075) chess.com INT
2023 0-1}) 7. Bf1 $146 ({RR} 7. Rxe4 d5 8. Re1 dxc4 9. Nxe5 Nxe5 10. Rxe5 Bf6
11. Re4 Bf5 12. Rxc4 Bxb1 13. d4 Be4 14. Bf4 Bxg2 15. Rxc7 Qd5 16. Qg4 Bh1 17.
Qh3 Rfe8 18. Rc5 Qe4 19. Be3 Re6 20. Rf5 Bg2 21. Qh5 g6 {Fatourou,E-Korou,L
Athens 1991 0-1}) ({RR} 7. Bd5 Nf6 8. Bxc6 dxc6 9. Nxe5 c5 10. d3 Re8 11. Nd2
Qd5 12. Qf3 Bf8 13. Qxd5 Nxd5 14. Nef3 Bf5 15. Ne4 Rad8 16. Bd2 c6 17. h3 Nb6
18. b3 Re7 19. Be3 Rxd3 20. Ng3 Bg6 21. c4 Re8 {Cappon,J (2229)-Sumets,A (2551)
Charleroi 2016 0-1 (71)}) 7... d5 8. d3 Nf6 9. Nxe5 Nxe5 10. Rxe5 Bd6 11. Re2
Ng4 12. g3 Ne5 13. d4 Nf3+ 14. Kg2 Bg4 15. Qd3 Qd7 16. Nd2 Nxd2 17. Rxd2 Rfe8
18. Be2 Bf5 19. Qb5 c6 20. Qb3 Bh3+ 21. Kg1 Qf5 22. Qd1 Qe4 23. f3 Qe3+ 24. Kh1
Qf2 25. Bf1 Qxf1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Santos, Wenesley"]
[Black "Andrade, Guilherme Souza"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Ng4 8. Bg5
f6 9. Bh4 g5 10. Bg3 Nh6 11. h3 Nc6 12. d5 Ne7 ({RR} 12... Nd4 13. Nxd4 exd4
14. Qxd4 f5 15. Qd2 f4 16. Bh2 Nf7 17. h4 h6 18. hxg5 hxg5 19. g3 f3 20. Bxf3
Ne5 21. Be2 g4 22. Bg1 c5 23. dxc6 bxc6 24. O-O-O Be6 25. Qxd6 Qg5+ 26. Kb1 Qg6
27. Ka1 {Speelman,J (2625)-Kasparov,G (2750) Madrid 1988 0-1 (39)}) 13. Nd2 Ng6
({RR} 13... f5 14. f3 f4 15. Bf2 c5 16. dxc6 bxc6 17. Nb3 Be6 18. Qd2 Qb8 19.
Rd1 Rd8 20. Qc2 Kh8 21. a3 Qc7 22. Nd2 Rab8 23. b4 a5 24. Rb1 axb4 25. axb4 d5
26. Na4 dxe4 27. Nxe4 Nf7 28. Nac5 {Miranda Llanes,Y (2269)-Hernandez Machado,
P (2142) Camaguey CUB 2023 1-0 (40)}) 14. b4 $146 ({RR} 14. Bg4 f5 15. exf5
Nxf5 16. Nde4 Nf4 17. Rg1 Bd7 18. Qd2 Be8 19. Bxf5 Rxf5 20. f3 a6 21. Nd1 b5
22. Ne3 Rf8 23. Rh1 bxc4 24. Nxc4 Rb8 25. Rd1 Bb5 26. b3 Bd7 27. Ne3 h5 28. h4
g4 {Goormachtigh,J (2182)-L'Ami,A (2358) Vlissingen 2013 0-1 (40)}) 14... f5
15. f3 Nf4 16. Bf1 Rf7 17. Qc2 Kh8 18. Nb3 Qf6 19. c5 fxe4 20. Nxe4 Qd8 21. Rd1
Nf5 22. Bf2 Nh4 23. Bg3 Bf5 24. Rd2 Bxh3 25. Bxf4 Bxg2 26. Bxg2 exf4 27. Kd1
Nf5 28. Qd3 Ne3+ 29. Kc1 Bf6 30. Rh6 Nf5 31. Rh5 Qe7 32. Nxf6 Qxf6 33. Kb1 Re8
34. Re2 Rfe7 35. Bf1 Rxe2 36. Bxe2 Re3 37. Qc2 h6 38. Rh2 Kg7 39. Qb2 Re5 40.
Bc4 Ng3 41. Qd4 Nf5 42. Qd2 Ne3 43. Qd3 Nf5 44. Re2 Ne3 45. Nd4 Nxc4 46. Ne6+
Rxe6 47. dxe6 Ne3 48. cxd6 cxd6 49. Qe4 d5 50. Qd3 Qxe6 51. Qd4+ Qf6 52. Rd2
Qxd4 53. Rxd4 Kf6 54. Rd1 Nxd1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Sega, Carlos Alberto"]
[Black "Franca Jr, Jairo"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. b3
O-O 9. Bb2 Be6 10. Nc3 Rc8 11. dxc5 Bxc5 12. Na4 Be7 13. Nd4 ({RR} 13. Rc1 Ne4
14. Nd4 Nxd4 15. Qxd4 Bf6 16. Rxc8 Qxc8 17. Qxa7 Bxb2 18. Nxb2 Qc2 19. Nd3 Nc3
20. Bf3 Nxe2+ 21. Bxe2 Qxe2 22. Nf4 Qa6 23. Qxa6 bxa6 24. Rd1 Rd8 25. Rd4 Kf8
26. Kf1 Ke7 27. Ke2 Kf6 {Fiorenza,B (1851)-Scarsi,A (1971) Buenos Aires ARG
2023 1-0 (54)}) 13... Qd7 14. Rc1 b6 15. Nxe6 $146 ({RR} 15. Nxc6 Rxc6 16. Rxc6
Qxc6 17. Qc1 Rc8 18. Qxc6 Rxc6 19. Rc1 Rxc1+ 20. Bxc1 Ne4 21. f3 Nc5 22. Nxc5
Bxc5+ 23. e3 Bf5 24. Kf2 a5 25. f4 Bb1 26. a3 Ba2 27. Bxd5 a4 28. b4 Bxd5 {
1/2-1/2 (28) Altmann,D-Mueske,M Bad Ragaz 1992}) 15... fxe6 16. e4 dxe4 17.
Qxd7 Nxd7 18. Bxe4 Nb4 19. a3 Nd5 20. b4 Bf6 21. Bd3 Bxb2 22. Nxb2 Ne5 23. Ba6
Rc3 24. Rxc3 Nxc3 25. Rc1 Nd5 26. Nd3 Nxd3 27. Bxd3 Rd8 28. Bb1 Kf7 29. Kf1 h6
30. Ke2 Kf6 31. Ba2 Rd7 32. Rc6 Ke7 33. f4 Rd6 34. Bxd5 Rxd5 35. Rc7+ Rd7 36.
Rxd7+ Kxd7 37. Kd3 Kc6 38. Kc4 a6 39. a4 Kd6 40. Kd4 h5 41. h3 Kd7 42. Ke5 Ke7
43. g4 hxg4 44. hxg4 Kd7 45. g5 Ke7 46. f5 exf5 47. Kxf5 Kf7 48. g6+ Ke7 49.
Ke5 Kd7 50. Kd5 a5 51. b5 Kc7 52. Ke6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Sekula, Markley"]
[Black "Oliveira, Silvio Eduardo"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nxc6 bxc6 8.
O-O g6 9. Qe1 Ng4 ({RR} 9... Qc5 10. b3 Bg7 11. Be3 Qh5 12. Be2 Qa5 13. Rd1 Ng4
14. Bd2 Qc7 15. f3 Nf6 16. f4 O-O 17. Qh4 a5 18. Kh1 a4 19. b4 a3 20. f5 d5 21.
Bf4 Qb6 22. e5 Qxb4 23. Qe1 Qc5 24. fxg6 {Savchenko,B (2589)-Miroshnichenko,E 
(2647) Moscow 2008 1-0 (34)}) 10. b3 ({RR} 10. h3 Ne5 11. Bb3 Ba6 12. Be3 Qb7
13. Ne2 Bg7 14. f4 Nd7 15. c3 Bd3 16. Rd1 Bxe4 17. Ng3 Bd5 18. Bxd5 cxd5 19.
Qd2 O-O 20. f5 Nf6 21. fxg6 fxg6 22. Bg5 e6 23. c4 Rae8 24. Bxf6 Rxf6 {Aslanov,
U (2281)-Grandelius,N (2656) chess.com INT 2022 0-1 (64)}) 10... Bg7 11. Bb2
Qb8 12. h3 $146 ({RR} 12. Be2 h5 13. h3 d5 14. hxg4 hxg4 15. g3 Qe5 16. Kg2 d4
17. Na4 Qxe4+ 18. f3 Qxc2 19. Rf2 Be6 20. fxg4 Bd5+ 21. Bf3 Bxf3+ 22. Kxf3 Qd3+
23. Kg2 O-O 24. Rc1 e5 25. Nc5 Qb5 26. Qe4 Rad8 {Scharrer,P (2256)-Allor,C 
(2154) Caleta 2013 1-0 (36)}) 12... Ne5 13. Na4 O-O 14. Qc3 Bf6 15. Be2 g5 16.
Qg3 Kh8 17. Rad1 Rg8 18. Bg4 Be6 19. c4 c5 20. Bxe6 fxe6 21. Bxe5 Bxe5 22. Qg4
Rg6 23. Rd3 Qg8 24. Nc3 Rf8 25. Ne2 Qg7 26. Ng3 Rf4 27. Qe2 Qf8 28. Nh5 Rf7 29.
g4 Rg8 30. Kg2 Qe8 31. Rf3 Rxf3 32. Qxf3 Rf8 33. Qe3 Qf7 34. f3 h6 35. h4 Qg6
36. hxg5 hxg5 37. Rh1 Kg8 38. Ng3 Qf6 39. Rh5 Bf4 40. Qf2 Qe5 41. Ne2 Bd2 42.
Ng1 Qc3 43. Nh3 Be3 44. Qe2 Qc1 45. Nf2 Bd4 46. Rh1 Qc3 47. Nd1 Qa5 48. Rh5 Bf6
49. Nf2 Kf7 50. e5 Bxe5 51. Qe4 Rg8 52. Rh6 Qxa2 53. Rxe6 Qb2 54. Qh7+ Rg7 55.
Qf5+ Ke8 56. Rh6 Kd8 57. Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Serafim, Paulo Rogerio"]
[Black "Felicio, Leonardo"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "22"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. d5 Na6 8. Bg5 h6
9. Bh4 g5 10. Bg3 Nc5 11. Nd2 a5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Silva, Guilherme H"]
[Black "Silva, Erick"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d5 7. exd5 Nxd5 8. b4
Be7 9. Qb3 Nb6 10. Bb5 Be6 11. Qc2 Bf6 12. Bxc6 bxc6 13. Nbd2 $146 ({RR} 13.
Bb2 a5 14. Nbd2 g6 15. Nb3 axb4 16. cxb4 Bd5 17. Nxe5 Qe7 18. Rfe1 Bxe5 19.
Bxe5 Qxb4 20. Bxc7 Rfe8 21. Be5 Bxb3 22. Qxc6 Bd5 23. Qf6 Rxe5 24. Rxe5 Nd7 25.
Qe7 Qd4 26. Rae1 Nxe5 27. Rxe5 Be6 {Zaichenko,D (2104)-Dushyant,S (2370) chess.
com INT 2022 0-1 (31)}) 13... Bg4 14. h3 Bh5 15. Re1 Re8 16. Nh2 Bg5 17. Ne4
Bxc1 18. Raxc1 Nd5 19. Nf1 Bg6 20. Nfg3 Nf4 21. Rcd1 f5 22. Nc5 Qg5 23. Kh2
Rad8 24. Rg1 Bf7 25. Rde1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Silva, Joao Fernandes"]
[Black "Farias, Sergio Luiz"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. c3 d6 7. Nbd2 Na5 8. Bb5
Nc6 ({RR} 8... a6 9. Ba4 b5 10. Bc2 Bb6 11. Re1 c5 12. Nf1 h6 13. Ng3 Re8 14.
h3 Nc6 15. Nh4 Kh7 16. Nhf5 Ne7 17. Qf3 Neg8 18. Bd2 Be6 19. d4 cxd4 20. cxd4
Bxf5 21. Nxf5 g6 22. dxe5 dxe5 23. Rad1 {Lujan,C (2378)-Zimina,O (2389) Baku
2016 0-1 (76)}) ({RR} 8... c6 9. Ba4 Be6 10. b4 Bb6 11. bxa5 Bxa5 12. Qc2 d5
13. Nxe5 Qd6 14. Nef3 d4 15. cxd4 b5 16. Bb3 b4 17. e5 Qb8 18. exf6 gxf6 19.
Ne4 Qc8 20. Qd2 Bc7 21. Qh6 f5 22. Nf6+ Kh8 23. Qxh7# {Kojima,N (1736)-Mazuco,
R chess.com INT 2021 1-0}) 9. b4 $146 ({RR} 9. h3 Bd7 10. Re1 a6 11. Ba4 Ne7
12. Bb3 Ng6 13. Nf1 Ba7 14. d4 Qe8 15. Ng3 h6 16. Nh2 Qd8 17. Be3 Re8 18. Ng4
Nxg4 19. hxg4 Qh4 20. Nf5 Bxf5 21. exf5 Nf8 22. Qf3 exd4 23. cxd4 c6 {Mar,K 
(2136)-Spendal,B (1689) Celje 2004 1-0 (37)}) 9... Bb6 10. Nc4 Bd7 11. Nxb6
cxb6 12. a3 a5 13. Rb1 Rc8 14. Be3 Na7 15. Bxd7 Nxd7 16. bxa5 Rxc3 17. axb6 Nc8
18. Rb3 Rc6 19. Qa1 Ncxb6 20. Rfb1 Nc5 21. Bxc5 dxc5 22. Nxe5 Rd6 23. Nc4 Nxc4
24. dxc4 b6 25. h3 Re8 26. e5 Qc7 27. exd6 Qxd6 28. Rxb6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Silva, Joelton Cooper"]
[Black "Avelar, Flavio Henrique"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "132"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. c3 Nc6 5. d3 d6 6. Be3 Nf6 7. O-O O-O 8. a4
$146 ({RR} 8. Bb3 b6 9. h3 Bb7 10. Re1 Qd7 11. Qd2 Rac8 12. Bh6 Rfe8 13. Bxg7
Kxg7 14. Ng5 e6 15. f4 Na5 16. Bc2 Rf8 17. Qf2 h6 18. Nf3 e5 19. fxe5 dxe5 20.
Nxe5 Qd6 21. Nf3 Qb8 22. Nbd2 Nh5 {Tsolaki,E-Pramateftaki,A Kallithea 2008 1-0
(56)}) 8... Qb6 9. Bb5 a6 10. Bxc6 bxc6 11. Qc2 Ng4 12. Bg5 Re8 13. h3 Ne5 14.
Nbd2 Rb8 15. Rfb1 a5 16. Nxe5 Bxe5 17. Nc4 Qd8 18. Nxe5 dxe5 19. Rd1 Qb6 20.
Rab1 Be6 21. c4 f6 22. Be3 Red8 23. Rd2 Kf7 24. h4 Qb3 25. Rbd1 Qxc2 26. Rxc2
Rb3 27. Bxc5 Rbxd3 28. Rxd3 Rxd3 29. Bb6 f5 30. f3 fxe4 31. fxe4 Bg4 32. Kf2
Bd1 33. Rc3 Rd2+ 34. Ke1 Rxb2 35. Bxa5 Bxa4 36. Ra3 Bc2 37. Bc3 Rb1+ 38. Kf2
Bxe4 39. Bxe5 Rc1 40. Rc3 Rxc3 41. Bxc3 c5 42. Bd2 Ke6 43. g3 Bd3 44. Ke3 Bxc4
45. Bc3 Kf5 46. Kf3 h5 47. Bd2 Bd5+ 48. Kf2 Ke4 49. Be3 c4 50. Bc5 e6 51. Ke2
Bc6 52. Kd2 e5 53. Bd6 Kf5 54. Kc3 Bd5 55. Bc5 Ke6 56. Bb6 Kf6 57. Bc7 Kf5 58.
Bb8 e4 59. Bf4 Kg4 60. Kd4 Kf3 61. Bd2 Be6 62. Bf4 Bf5 63. Bg5 Be6 64. Bf4 c3
65. Be3 c2 66. Bf4 Bf5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Silva, Lucas Henrique"]
[Black "Cabral, Denrick"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 d5 3. e3 Bf5 4. Nf3 Nbd7 5. c4 h6 ({RR} 5... e6 6. c5 c6 7.
Nc3 Be7 8. Nh4 Bg4 9. Be2 Bxe2 10. Qxe2 O-O 11. Nf3 Re8 12. O-O-O b6 13. b4
bxc5 14. dxc5 a5 15. a3 axb4 16. axb4 Ra3 17. Qb2 Qa8 18. Kc2 Rxc3+ 19. Qxc3
Ne4 20. Ra1 {Jones,J (1574)-Robinson,D (1857) Bridgend WLS 2022 1/2-1/2 (38)})
6. Bh4 e6 7. Nc3 Be7 8. Qb3 $146 ({RR} 8. Rc1 O-O 9. cxd5 exd5 10. Bd3 Bxd3 11.
Qxd3 c6 12. O-O Re8 13. a3 Nh7 14. Bxe7 Qxe7 15. Na4 Ng5 16. Nxg5 Qxg5 17. Nc5
Nxc5 18. Rxc5 Re6 19. Rfc1 Rg6 20. g3 Re8 21. b4 a6 22. a4 Rge6 {Wesolowska,H 
(2044)-Kubica,K (1751) Pszczyna 2009 1/2-1/2 (42)}) 8... O-O 9. Be2 dxc4 10.
Bxc4 Nb6 11. Be2 Ne4 12. Bxe7 Qxe7 13. O-O Nxc3 14. bxc3 c5 15. Nd2 Rfd8 16. a4
cxd4 17. cxd4 e5 18. a5 Nd7 19. Bf3 e4 20. Be2 Qg5 21. Kh1 Nc5 22. Qb4 Nd3 23.
Qxb7 Rab8 24. Qxa7 Rb2 25. Bxd3 Rxd2 26. Bc4 Be6 27. Bxe6 fxe6 28. Qb6 Qf6 29.
a6 Rf8 30. a7 Rxf2 31. Rxf2 Qxf2 32. a8=Q Kh7 33. Qxf8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Soares, Renan"]
[Black "Andrade, Roberto Costa"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "169"]
[EventDate "2021.??.??"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Nf6 5. e4 Bg7 6. f3 Na6 7. Be3 Nc7 8. Qd2 a6
9. Bd3 Bd7 10. a4 Rb8 11. a5 b5 12. axb6 Rxb6 13. Nge2 Qb8 14. O-O O-O 15. Ra2
Rb3 $146 ({RR} 15... Qb7 16. Nc1 e5 17. b3 Nfe8 18. g4 f6 19. Bh6 Qc8 20. N3e2
g5 21. Bxg7 Nxg7 22. Ng3 Kf7 23. Qg2 Rh8 24. Nf5 h5 25. Bc2 h4 26. Qf2 Qb7 27.
Nd3 Bxf5 28. exf5 Ra8 29. f4 exf4 30. Nxf4 {Jehle,A (1950)-Bueter,N (2074)
Ditzingen 2009 0-1 (40)}) 16. e5 Nfe8 17. f4 dxe5 18. Bxc5 Nd6 19. fxe5 Bxe5
20. Nd4 Rb7 21. Qe2 Bg7 22. Qxe7 Nce8 23. Qe2 Rc7 24. Nc6 Bxc6 25. dxc6 Rxc6
26. Bf2 Nf6 27. Bh4 Nde8 28. Bg3 Qb7 29. Nd5 Re6 30. Qf3 Qb3 31. Raa1 Qxb2 32.
Rab1 Qd4+ 33. Bf2 Qg4 34. Bc5 Qxf3 35. Rxf3 Nd6 36. Nc7 Rd8 37. Nxe6 fxe6 38.
Bb6 Rc8 39. Rb4 Nfe4 40. c5 Nxc5 41. Bxc5 Rxc5 42. Rb8+ Rc8 43. Rxc8+ Nxc8 44.
Bxa6 Bd4+ 45. Kf1 Nd6 46. Ke2 Kg7 47. Kd3 e5 48. Rf1 h5 49. Rb1 Kf6 50. Rb8 Bg1
51. h3 Ba7 52. Rf8+ Ke7 53. Rh8 Kf6 54. Rf8+ Ke7 55. Rf1 Bd4 56. Kc2 Bb6 57.
Bd3 g5 58. Bg6 h4 59. Kd3 Bd4 60. Rb1 Kf6 61. Bh5 Ba7 62. Ra1 e4+ 63. Ke2 Bd4
64. Ra6 Ke5 65. Bg4 Bc5 66. Kd2 Kd4 67. Be2 Bb4+ 68. Kd1 Nf5 69. Bf1 Ke3 70.
Rb6 Be7 71. Re6 Bb4 72. Ba6 Kf4 73. Bb7 Ng3 74. Rf6+ Ke3 75. Re6 Bc3 76. Kc2
Be1 77. Rg6 Kf4 78. Rb6 Ba5 79. Rb5 Be1 80. Bc6 Nf5 81. Rb6 Bf2 82. Ra6 Nd4+
83. Kd1 Nxc6 84. Rxc6 Kg3 85. Ke2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Souza, Eliel"]
[Black "Romais, Rodrigo"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. Nc3 Nbc6 7. a3 Bg4 8.
Be3 Qd7 9. h3 Bh5 10. g4 $146 ({RR} 10. Qe2 Bg6 11. g4 O-O 12. O-O-O a6 13. h4
b5 14. h5 Bxd3 15. Qxd3 Qxg4 16. Rdg1 Qf5 17. Qxf5 Nxf5 18. Nxd5 Nxe3 19. fxe3
Ne7 20. h6 g6 21. Nf6+ Kh8 22. Ng5 Nf5 23. Ngxh7 Nxe3 24. Nxf8 Rxf8 {
Radlovacki,J (2380)-Tincu,R (2221) Eforie Nord 1999 1-0 (41)}) 10... Bg6 11.
Nb5 O-O-O 12. Nxd6+ Qxd6 13. Qe2 Rde8 14. O-O-O h5 15. Bxg6 Nxg6 16. Qd3 Nf4
17. Qf5+ Ne6 18. Ne5 Nxe5 19. dxe5 Qd7 20. Qd3 hxg4 21. hxg4 Rxh1 22. Rxh1 d4
23. Bd2 Qc6 24. Rh5 Qg2 25. Be1 Nf4 26. Qf5+ Ne6 27. Qxf7 Kd8 28. Kd2 Qxg4 29.
Qf5 Qxf5 30. Rxf5 Kd7 31. f4 Re7 32. Bh4 Re8 33. Rf7+ Kc6 34. f5 Nf4 35. Rxg7
Rxe5 36. f6 Rf5 37. f7 Ne6 38. Rg6 Kd5 39. Bg3 Rxf7 40. Rg8 b6 41. Ra8 a5 42.
Rh8 Rg7 43. Rh5+ Ke4 44. Rh6 Ng5 45. Rh8 Nf3+ 46. Ke2 Rxg3 47. Re8+ Ne5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Supi, Luis Paulo"]
[Black "Rodrigues, Edgar"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. e4 {Erenburg,S} e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. O-O
Nc8 ({RR} 7... cxd4 8. cxd4 a6 ({RR} 8... Nf5 9. Nc3 ({RR} 9. Na3 Bxa3 10. bxa3
Qb6 11. Be3) 9... Be7 10. Be3 O-O 11. Bd3 Nxe3 12. fxe3 f5 13. exf6 ({RR} 13.
Ne2 Qb6) 13... Bxf6 14. Qc2 h6 15. Qe2 Qe7 16. Rad1 g5 17. h3 Qg7 18. Bb1 Rad8)
({RR} 8... Qb6 9. Na3 Nf5 10. Nc2 h5 11. b3 a5 12. Bb2 Be7 13. Ne3 Nxe3 14.
fxe3 a4 15. Rb1 axb3 16. axb3 Ra2 17. Kh1 Nb4 18. Bc3 O-O 19. Ng1 h4 20. Nh3
Nc2 21. Bd2 Na3 22. Rc1 Rb2 23. b4 {RR} Bb5) 9. Nc3 ({RR} 9. Na3) 9... Nf5 10.
Bg5 Qb6 11. Na4 Qa7 12. Be3 ({RR} 12. Nc5 Bxc5 13. dxc5 Qxc5 14. Rc1 Qb6 15.
Bd3 h6 16. Bd2 O-O 17. b4 Rfd8 18. a3 Qc7 ({RR} 18... Ncd4) 19. g4 Nfe7 20. h4
Ng6 21. Re1) 12... b5 13. Nc3 Be7 14. Bd3 Nxe3 ({RR} 14... g6) 15. fxe3 O-O 16.
Ne2 f5 ({RR} 16... f6 17. exf6 Rxf6 18. Nf4 Raf8) ({RR} 16... Rac8 17. Nf4 Nb4
18. Bb1 Qc7 19. Qd2 g6) 17. h4 Be8 ({RR} 17... Rac8 18. Nf4 Qb6 19. Kh2 ({RR} 
19. g4 fxg4 20. Ng5 Bxg5 21. hxg5 Nxe5) 19... g6) 18. Nf4 Qd7 ({RR} 18... Bf7
19. g4 g6 20. gxf5 gxf5) 19. g4 fxg4 ({RR} 19... Bg6 20. h5 Bf7 21. gxf5 exf5
22. Kh2) ({RR} 19... g6 20. gxf5 gxf5 21. Kh2) 20. Ng5 Bxg5 ({RR} 20... Rxf4
21. Bxh7+ Kh8 22. Rxf4 Bxg5 23. Rf8+ Kxh7 24. hxg5) 21. hxg5 Nb4 22. Bb1 {
Giri,A (2711)-Dgebuadze,A (2556) Istanbul 2012 CBM 151 [Erenburg,S] 1-0 (42)} {
RR} g3 23. Qg4 Rc8 24. Qxg3 g6 ({RR} 24... Nc2 25. Qh3 Bg6 26. Bxc2 Rxc2 27.
Qxe6+ Qxe6 28. Nxe6) 25. Qh3 Bf7 26. a3 Nc2 27. Ra2) ({RR} 7... cxd4 8. cxd4
Ng6 9. Nc3 Be7 10. Be3 O-O 11. g3 Rc8 12. h4 f6 13. h5 Nh8 14. exf6 Bxf6 15.
Bd3 Qe8 16. h6 g6 17. Nb5 Nf7 18. Nh2 a6 19. Ng4 Be7 20. Nc3 Nd6 21. Bf4 Nf5
22. Bxf5 {Brilej,J (2332)-Lorenzo de la Riva,L (2420) chess.com INT 2023 0-1 
(73)}) 8. Re1 Nb6 $146 ({RR} 8... Be7 9. dxc5 Bxc5 10. Bd3 h6 11. b4 Bf8 12.
Nbd2 Qc7 13. a4 N8e7 14. Nb3 g6 15. Qe2 Bg7 16. Ba3 Nd8 17. b5 b6 18. Rac1 Nb7
19. c4 Qd8 20. cxd5 exd5 21. Nfd4 Bc8 22. Nc6 Nxc6 23. bxc6 {Roberson,P (2435)
-Bates,R (2351) Daventry ENG 2020 1-0}) 9. dxc5 Bxc5 10. Bd3 Be7 11. Nbd2 Qc7
12. Nb3 a6 13. a4 h6 14. Nbd4 Na7 15. h4 Bc6 16. h5 Nd7 17. Bc2 b6 18. Bf4 Bb7
19. Bg3 Nc5 20. Nd2 Nc6 21. Qg4 Bf8 22. Rac1 Ne7 23. b4 Ne4 24. Nxe4 dxe4 25.
Bxe4 Rc8 26. Bd3 Qd7 27. b5 a5 28. Red1 Rc7 29. c4 Qc8 30. Bf4 Rd7 31. Be3 Qc7
32. f4 Nc8 33. Nxe6 fxe6 34. Qxe6+ Be7 35. Bg6+ Kd8 36. Bf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Teske, Luiz Fernando"]
[Black "Cymbalista, Eduardo"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 {Krasenkow,M} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7.
Bb5 Ne4 8. cxd4 Bb4+ 9. Nbd2 Bg4 ({RR} 9... Bd7 10. O-O O-O 11. Nxe4 ({RR} 11.
a3) 11... dxe4 12. Ng5 Nxe5 ({RR} 12... Bf5 13. Bxc6 bxc6 14. f3 ({RR} 14. Be3
Be7 ({RR} 14... h6 15. g4 Bc8 ({RR} 15... Bg6 16. Nh3) 16. Nxe4 Ba6 17. f4 Bxf1
18. Qxf1) 15. Qh5 Qd7) 14... exf3 15. Nxf3) 13. Qa4 ({RR} 13. dxe5 Bxb5 14. Qh5
h6 15. Rd1 g6 16. Rxd8 Rfxd8 17. Qg4 h5) ({RR} 13. Bxd7 Nxd7 14. Nxe4 Nb6 15.
Nc5 Qd5 16. Qb3 ({RR} 16. Be3 Nc4) 16... Bxc5 17. Qxd5 Nxd5 18. dxc5 Rfe8)
13... Bxb5 ({RR} 13... Be7 14. dxe5 Bxb5 15. Qxb5 Bxg5 16. Qxb7) 14. Qxb5 Nd3
15. Be3 Qe7 16. f3 ({RR} 16. Qxb7 Rae8 ({RR} 16... f5 17. Qd5+ Kh8 18. Ne6 Rfe8
({RR} 18... Qf7 19. Qc6 Rfe8 20. d5) 19. Ng5 Rf8) 17. Qxa7 f5) 16... c6 17. Qc4
b5 ({RR} 17... Nxb2 18. Qb3 Nd3 ({RR} 18... exf3 19. Rxf3 h6 20. Nh3) 19. Nxe4)
18. Qxc6 ({RR} 18. Qc2 c5 19. dxc5 ({RR} 19. Nxe4 c4) ({RR} 19. fxe4 cxd4 20.
Bxd4 Ne1) 19... Bxc5 20. Bxc5 Qxc5+ 21. Qxc5 Nxc5 22. Nxe4 Nxe4 23. fxe4) 18...
exf3 19. Rxf3 ({RR} 19. Qxf3 Rae8 20. Bf4 Nxb2) 19... Ne1 20. Rg3 ({RR} 20.
Rxe1 Bxe1) ({RR} 20. Rh3 h6 ({RR} 20... Rac8 21. Qxb5 h6 22. a3 Nc2 ({RR} 22...
hxg5 23. Qxb4) 23. Qd3 g6 ({RR} 23... f5 24. Qb3+ Kh8 25. Rf1) 24. Rf1) 21. a3
({RR} 21. Qe4 Qxe4 22. Nxe4 Rfe8) 21... hxg5 22. axb4 g4 23. Rg3 Rac8 24. Qxb5
Nc2 ({RR} 24... Nf3+ 25. gxf3 Qxe3+ 26. Kh1 gxf3 27. Rag1) 25. Rf1 Nxe3 26. Re1
Qd6 27. Rgxe3 Qxd4 28. Qe5 Qxb4 29. Re4 Qb6+ 30. Qd4) 20... Rac8 21. Qxb5 ({RR
} 21. Qe4 Qxe4 22. Nxe4 f5 23. Nc3 ({RR} 23. a3 Nc2 24. Rf1 Be1) 23... f4 ({RR
} 23... Bxc3 24. bxc3 Nc2 25. Rc1 Rxc3 26. Bf2 Rc4) 24. Bxf4 Rxf4 25. Rxe1 Rxd4
26. Re2 ({RR} 26. Rge3 Rd2 27. Re8+ Rxe8 28. Rxe8+ Kf7) 26... Bc5 27. Kf1 b4
28. Na4 ({RR} 28. Ne4 Rd1+ 29. Re1 Rxe1+ 30. Kxe1 Re8 31. Rg4 h5) 28... Bd6)
21... h6 ({RR} 21... Nc2 22. Qd3 g6 23. Rf1 ({RR} 23. Rd1 Bd6 24. Rh3 Nxe3 25.
Qxe3 Qxe3+ 26. Rxe3 Bf4) 23... Nxe3 24. Qxe3 Qxe3+ 25. Rxe3 Bd2 26. Rg3 Rc2 27.
Ne4 Rxb2 28. Rf2) 22. Nh3 ({RR} 22. a3 Nc2 23. Rd1 Bd6) 22... Nc2 23. Bxh6 Nxa1
24. Qf1 {Sveshnikov,E (2560)-Krasenkow,M (2615) Vilnius 1997 EXT 1998 
[Krasenkow,M] 0-1 (37)} ({RR} 24. Rxg7+ Kh8 25. Qf1 Rc6 26. Ng5 ({RR} 26. Bg5
Qe1) 26... Rxh6 27. Rxf7 Rf6) {RR} 24... Qe1 25. Qxe1 Bxe1 26. Rxg7+ Kh8 27.
Ng5) 10. Qa4 Bd7 ({RR} 10... Bxd2+ 11. Nxd2 Nxd2 12. Bxd2 Bd7 13. h4 a6 14.
Bxc6 Bxc6 15. Qa3 Qe7 16. Qg3 O-O-O 17. O-O Qe6 18. Rfc1 Rd7 19. Qxg7 Rdd8 20.
Bg5 Rdg8 21. Qf6 h6 22. Qxe6+ fxe6 23. Bf6 Rh7 24. f3 Be8 25. Kf2 {Pranesh,M 
(2493)-Zhu,J (2489) chess.com INT 2023 1-0 (53)}) 11. O-O Nxd2 $146 ({RR} 11...
Bxd2 12. Nxd2 O-O 13. Nf3 Qe8 14. Bxc6 Bxc6 15. Qb3 a5 16. Nh4 f6 17. f3 fxe5
18. fxe4 Rxf1+ 19. Kxf1 Qh5 20. exd5 a4 21. Qc4 Qd1+ 22. Kf2 Rf8+ 23. Nf3 Be8
24. d6+ Kh8 25. dxc7 Bc6 26. d5 {Bhakti,K (2380)-Sa,K (1947) New Delhi IND
2019 1-0}) 12. Bxd2 Bxd2 13. Nxd2 O-O 14. f4 Nb8 15. b4 c6 16. Be2 c5 17. Qb3
c4 18. Qc3 f5 19. Bf3 Be6 20. a4 Nc6 21. b5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Timossi, Lucas Jose"]
[Black "Fernandes, Pedro G"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. Re1 d5 ({RR} 5... d6 6. e4 e5 7.
d4 exd4 8. Nxd4 Re8 9. Nc3 Bd7 10. h3 Nc6 11. Nde2 b5 12. a3 Rb8 13. g4 a5 14.
Ng3 b4 15. axb4 axb4 16. Nce2 Bc8 17. Bg5 h6 18. Be3 Bb7 19. Qc1 Kh7 20. Nf4 {
Onischuk,V (2620)-Shevchenko,K (2655) Warsaw POL 2021 1/2-1/2 (48)}) 6. d3 c5
7. Bg5 ({RR} 7. Nbd2 Nc6 8. a4 e5 9. e4 d4 10. Nc4 Qc7 11. Nfd2 Be6 12. Nb3 Nd7
13. f4 f6 14. Bd2 b6 15. c3 Rac8 16. h4 Rfd8 17. cxd4 cxd4 18. Rc1 Nf8 19. h5
Qd7 20. a5 Rb8 21. axb6 axb6 {Golubka,P (2373)-Sieciechowicz,M (2387) Krakow
POL 2023 1/2-1/2 (57)}) 7... h6 $146 ({RR} 7... Nc6 8. Nbd2 h6 9. Bxf6 Bxf6 10.
Rb1 Be6 11. a3 Qd7 12. e4 Bg4 13. exd5 Qxd5 14. h3 Bxf3 15. Bxf3 Qd7 16. Ne4
Bg7 17. Nxc5 Qxh3 18. Nxb7 Rab8 19. Bg4 {1-0 (19) Pham Le Thao Nguyen (2369)
-Roque Sola,J (2217) chess.com INT 2022}) 8. Bxf6 Bxf6 9. c3 Bf5 10. Nbd2 Qb6
11. Qb3 Nc6 12. e4 dxe4 13. dxe4 Be6 14. Qxb6 axb6 15. e5 Bg7 16. Nf1 Bxa2 17.
Nh4 Nxe5 18. f4 Nc6 19. Bxc6 bxc6 20. Rxe7 Bf6 21. Rc7 Bxh4 22. gxh4 Bd5 23.
Raa7 Rxa7 24. Rxa7 Re8 25. Kf2 Re4 26. Kg3 Re2 27. b4 Rg2+ 28. Kh3 Rf2 29. bxc5
bxc5 30. Ra1 Bg2+ 31. Kg3 Rxf1 32. Ra8+ Kg7 33. Kxg2 Rxf4 34. Ra1 Rxh4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Umetsubo, Cesar"]
[Black "Santiago, Yago"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 Qc7 7. Ne2 e6 8. Bf4
Bd6 9. Bxd6 Qxd6 10. Nd2 O-O 11. O-O e5 12. dxe5 Nxe5 13. Nc4 Nxc4 14. Bxc4 Re8
$146 ({RR} 14... Qc5 15. Bb3 Bd7 16. Qd4 Qxd4 17. Nxd4 Rfe8 18. Rfe1 Kf8 19.
Rad1 Rxe1+ 20. Rxe1 Re8 21. Rxe8+ Kxe8 22. f3 Ke7 23. Kf2 Kd6 24. Ke3 b5 25.
Ne2 a5 26. Kd4 Bf5 27. a4 Bd7 28. axb5 Bxb5 29. Nf4 {Matus,F (1700)-Lavorgna,F
(1887) Prague 2016 1/2-1/2 (31)}) 15. Ng3 h5 16. Bb5 Re5 17. Qd4 a6 18. Ba4 b5
19. Bb3 Bd7 20. Rae1 Rae8 21. Rxe5 Rxe5 22. Bd1 g6 23. Bf3 Qe7 24. Rd1 Bf5 25.
Nxf5 Rxf5 26. a4 bxa4 27. Qxa4 Qe6 28. Ra1 Re5 29. Qxa6 Qf5 30. Qd6 g5 31. g3
g4 32. hxg4 hxg4 33. Bg2 Re2 34. Qb6 Kg7 35. b4 Rd2 36. Re1 d4 37. Rf1 dxc3 38.
b5 c2 39. Qc6 Rd1 40. b6 c1=Q 41. Qxc1 Rxc1 42. Rxc1 Ne4 43. b7 Qxf2+ 44. Kh1
Nxg3+ 45. Kh2 Ne2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Urquiza, Marcello"]
[Black "Santanna, Paulo"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 g6 6. c4 Bg7 7. Be2 Nf6 8. h3
d6 9. Nc3 O-O 10. O-O Be6 11. Rb1 $146 ({RR} 11. Rd1 Nd7 12. b3 Rc8 13. Bb2 Qa5
14. a3 Rfe8 15. b4 Qb6 16. c5 Qa7 17. cxd6 Qxe3 18. fxe3 exd6 19. Rxd6 Nb6 20.
e5 Bc4 21. Bd1 Be6 22. Be2 Nd7 23. Ne4 Ncxe5 24. Nxe5 Nxe5 25. Rd2 Red8 {
Leve,N (2128)-Liyanage,R (2400) chess.com INT 2023 0-1 (59)}) 11... Rc8 12. b3
Qa5 13. Bb2 Nd7 14. Nd5 Qc5 15. Qd2 a5 16. Nf4 Bxb2 17. Rxb2 Nf6 18. Nxe6 fxe6
19. Ng5 Nd4 20. Bd1 e5 21. Kh1 Kg7 22. Qd3 b5 23. cxb5 Qc1 24. Rd2 Rc3 25. Rc2
Rxc2 26. Bxc2 Qxg5 27. f4 Qh4 28. Bd1 Nh5 29. Bxh5 Qxh5 30. b6 Qe2 31. Rd1 Qxd3
32. Rxd3 Rb8 33. fxe5 dxe5 34. Rc3 Rxb6 35. Rc5 Rb5 36. Rc7 Kf6 37. Kg1 Ke6 38.
Rc4 Rb4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Veiga, Emerson"]
[Black "Brito, Luismar"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. g4
Nfd7 9. Qd2 Bb7 10. O-O-O Nc6 11. h4 ({RR} 11. Kb1 Rc8 12. Nxc6 Bxc6 13. Ne2 d5
14. Nd4 dxe4 15. Nxc6 Rxc6 16. fxe4 Rd6 17. Qc1 Nf6 18. Bg2 Rxd1 19. Rxd1 Qc7
20. Qd2 Be7 21. e5 Nxg4 22. Bb6 Qc8 23. Bd8 Bc5 24. b4 Ne3 25. bxc5 Nxd1 {
Zhou,L (2018)-Camarero Izquierdo,J (1830) Collado Villalba ESP 2021 1-0}) 11...
Nde5 $146 ({RR} 11... Be7 12. g5 O-O 13. a3 Nde5 14. Nxc6 Bxc6 15. f4 Nc4 16.
Bxc4 bxc4 17. Qd4 Qc7 18. h5 Rfb8 19. h6 Bf8 20. Qxc4 Qb7 21. b3 g6 22. Rh2 Re8
23. Kb2 a5 24. Rhd2 Rad8 25. Qd4 Rc8 26. Rd3 {Ivanchuk,V (2731)-Georgiev,K 
(2677) Turin 2006 1-0 (42)}) 12. f4 Nxg4 13. Bh3 h5 14. Qe2 Nxe3 15. Qxe3 Nxd4
16. Rxd4 Be7 17. Rg1 Qb6 18. e5 dxe5 19. fxe5 Bc5 20. Ne2 g6 21. Qf4 Bxd4 22.
Nxd4 O-O-O 23. c3 Rd7 24. a3 Rhd8 25. Bg2 Rc7 26. Bxb7+ Kxb7 27. Qe4+ Rd5 28.
Kb1 Ka7 29. Rf1 Qc5 30. Re1 a5 31. Nb3 Qb6 32. Qf4 Kb8 33. Qf3 Rcd7 34. Ka2 Qc7
35. Qf4 a4 36. Nd4 Qc4+ 37. Ka1 b4 38. axb4 a3 39. b5 axb2+ 40. Kxb2 Rxd4 41.
cxd4 Qb4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Viana, Paulo Vitor"]
[Black "Fonseca, Rogerio"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 a6 5. Ba4 b5 6. Bb3 Na5 ({RR} 6... Na7) ({
RR} 6... Bb4+ 7. c3 Bc5 8. O-O d5 9. exd5 Nxd5 10. Re1 O-O 11. Nbd2 Re8 12. Ne4
Bg4 13. Nxc5 e4 14. dxe4 Bxf3 15. Qxf3 Nf6 16. Bg5 Ne5 17. Qe2 h6 18. Rad1 Qe7
19. Bxf6 Qxf6 20. Bd5 Rad8 21. h3 {Fatima,S (1352)-Narch,M lichess.org INT
2021 1-0}) 7. Nxe5 Nxb3 8. cxb3 $146 ({RR} 8. Nxf7 Kxf7 9. axb3 d6 10. Nc3 Bb7
11. b4 g6 12. O-O Bg7 13. f4 Re8 14. Qe2 d5 15. e5 d4 16. Na2 h5 17. c3 Ng4 18.
h3 Nh6 19. cxd4 Qxd4+ 20. Be3 Qd7 21. d4 Nf5 22. Rfd1 Ng3 {Alonso Centeno,
J-Torres Herrero,F Valladolid 1987 1-0 (35)}) 8... d6 9. Nf3 Be7 10. h3 O-O 11.
O-O Ne8 12. Nc3 c6 13. Be3 Bd7 14. Qd2 Qc8 15. Kh2 f5 16. Rac1 fxe4 17. dxe4
Bxh3 18. Rg1 Qe6 19. gxh3 Rxf3 20. Rg3 Rxg3 21. fxg3 b4 22. Ne2 Qxe4 23. Rc4
Qf3 24. Rxb4 Nc7 25. Rf4 Qh5 26. Nc3 Ne6 27. Re4 Ng5 28. Bxg5 Qxg5 29. Qe2 Re8
30. Qc4+ d5 31. Qxc6 Rf8 32. Rf4 Rxf4 33. gxf4 Qxf4+ 34. Kg2 Qd2+ 35. Kf1 Qc1+
36. Ke2 Qxb2+ 37. Kd3 Qa3 38. Qxd5+ Kh8 39. Nb1 Qd6 40. Qxd6 Bxd6 41. Nc3 g5
42. Ne4 Be7 43. a4 h5 44. Kc4 g4 45. hxg4 hxg4 46. Kd5 Kg7 47. Ke6 Bh4 48. b4
g3 49. Nxg3 Bxg3 50. b5 axb5 51. axb5 Bf2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Wagner, Julia"]
[Black "Silva, Afranio Marcio"]
[Result "1-0"]
[ECO "C79"]
[PlyCount "119"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 Bd7 6. O-O Nf6 7. Re1 g6 8. d4 b5
9. Bb3 ({RR} 9. Bc2 Bg7 10. h3 O-O 11. Be3 Re8 12. Nbd2 Qe7 13. a3 Qf8 14. Rc1
Bh6 15. Nf1 Nh5 16. Qd2 Bxe3 17. Nxe3 Nf6 18. Nd5 Nxd5 19. exd5 Na5 20. dxe5
Nc4 21. Qd4 Nxb2 22. e6 fxe6 23. dxe6 Bxe6 {Kollars,D (2635)-Saraci,N (2488)
chess.com INT 2022 1-0 (37)}) ({RR} 9. Bc2 Bg7 10. a4 O-O 11. h3 Re8 12. Nbd2
exd4 13. cxd4 Nb4 14. Bb3 Nd3 15. Bxf7+ Kxf7 16. Qb3+ Kf8 17. Qxd3 bxa4 18. Qc2
Bb5 19. Nb1 d5 20. e5 Ne4 21. Nbd2 Nxd2 22. Bxd2 Qd7 23. Rac1 c6 {Montorsi,M 
(2123)-Gennari,J (2190) Lignano Sabbiadoro ITA 2023 1-0 (35)}) 9... Bg4 10. Qd3
$146 ({RR} 10. Bd5 Qd7 11. h3 Bh5 12. Nbd2 Rb8 13. Qc2 Bxf3 14. Nxf3 exd4 15.
cxd4 Nb4 16. Qb3 Nbxd5 17. exd5+ Be7 18. Bh6 Rg8 19. Bg5 Kd8 20. a4 Qf5 21.
axb5 Rxb5 22. Qa3 Rb6 23. Qe3 Re8 24. Nh4 Qd7 {Kleinknecht,M-Jurczyk,S
Wuerttemberg 1995 0-1 (56)}) 10... Qe7 11. Ng5 Nd8 12. f4 h6 13. fxe5 dxe5 14.
dxe5 Qxe5 15. Nf3 Bxf3 16. Qxf3 Bd6 17. g3 Ne6 18. Nd2 h5 19. Rf1 Ke7 20. Bxe6
fxe6 21. Nb3 Raf8 22. Nd4 Kd7 23. Bf4 Qxe4 24. Bxd6 Qxf3 25. Nxf3 cxd6 26. Rad1
Nd5 27. Nd4 Re8 28. Rf7+ Re7 29. Rdf1 e5 30. Ne2 Ke6 31. Rf8 Re8 32. R8f7 Re7
33. Rf8 Re8 34. R8f7 Re7 35. Rf8 Re8 36. R8f7 Ne7 37. b3 Nf5 38. Ra7 Ra8 39.
Rb7 Rab8 40. Ra7 Ra8 41. Rb7 Rhb8 42. Rh7 Rg8 43. Rb7 Rab8 44. Rh7 d5 45. h3 b4
46. g4 hxg4 47. hxg4 Ne3 48. Rff7 Nxg4 49. Re7+ Kf5 50. Rhf7+ Kg5 51. cxb4 Rxb4
52. Nc3 Rd8 53. Ra7 Rb6 54. Rac7 e4 55. Rc5 Rf6 56. Nxe4+ Kf5 57. Nxf6 Nxf6 58.
Rc6 d4 59. Rfxf6+ Kg5 60. Rfd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "Zallio, Luciano"]
[Black "Peixoto, Rudson"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. e3 d5 3. b3 Bg4 4. Bb2 Nbd7 5. Be2 e6 6. c4 c5 7. O-O Be7 8. cxd5
exd5 9. d4 O-O 10. Nc3 Rc8 11. Rc1 $146 ({RR} 11. dxc5 Nxc5 12. Nd4 Bxe2 13.
Qxe2 Nce4 14. Rfc1 Nxc3 15. Bxc3 Ne4 16. Bb2 Qa5 17. f3 Nf6 18. Nf5 Rxc1+ 19.
Rxc1 Ba3 20. g4 h6 21. h4 Kh7 22. g5 hxg5 23. hxg5 Nh5 24. Kf2 Re8 25. Rh1 Kg6
{Taufratshofer,M (2093)-Schenfeld,W (1431) Bad Woerishofen 2001 1-0}) 11... Re8
12. dxc5 Nxc5 13. Nd4 Bxe2 14. Ncxe2 Qd7 15. Ng3 g6 16. Qe2 Nce4 17. Ra1 a6 18.
Qd3 Bd6 19. Nge2 Ng4 20. Nf3 Qc7 21. Ng3 Qb6 22. Qxd5 Nexf2 23. Rxf2 Nxf2 24.
Bd4 Nh3+ 25. gxh3 Qc7 26. Ne4 Re6 27. Nfg5 Bxh2+ 28. Kh1 Rc6 29. Nf6+ Rxf6 30.
Bxf6 h6 31. Nf3 Bg3 32. Rd1 Bf2 33. Ne5 g5 34. Bd8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "di Berardino, Diego"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "38"]
[EventDate "2021.??.??"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e5 6. O-O d6 7. d3 Nge7 8. Ne1
Be6 9. a3 a5 10. Bg5 f6 11. Bd2 O-O 12. Nc2 Kh8 $146 ({RR} 12... d5 13. cxd5
Nxd5 14. b4 cxb4 15. Nxd5 Bxd5 16. Bxd5+ Qxd5 17. axb4 a4 18. Ne3 Qb5 19. Nc4
Qa6 20. Na5 b5 21. Nb3 Qa7 22. Nc5 Qf7 23. e3 f5 24. Ra3 Rfd8 25. Qe2 Rac8 26.
Rc1 Bf8 27. d4 {Akesson,R (2440)-Wedberg,T (2530) Stockholm 2002 0-1 (35)}) ({
RR} 12... d5 13. cxd5 Nxd5 14. Ne3 Nxe3 15. Bxe3 Nd4 16. Bxb7 Rb8 17. Bg2 Rxb2
18. Rb1 Qb8 19. Bxd4 cxd4 20. Ne4 Rxb1 21. Qxb1 Rc8 22. Bf3 h6 23. g4 f5 24.
gxf5 gxf5 25. Ng3 Bf8 26. Bb7 Rd8 27. Qb5 {Aronian,L (2782)-Dominguez Perez,L 
(2713) Nice 2010 1/2-1/2 (42)}) 13. Ne3 Bg8 14. Ned5 Nxd5 15. Nxd5 a4 16. Nc3
Qa5 17. Nd5 Qd8 18. Nc3 Qa5 19. Nd5 Qd8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "do Carmo, Gabriel"]
[Black "Brito, Vicente"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. b4 a5 8. b5
e5 9. Qc2 $146 ({RR} 9. Bb2 Re8 10. a4 Nf8 11. e4 Ne6 12. Ne1 Ng5 13. d3 h5 14.
f4 exf4 15. gxf4 Ne6 16. f5 Nd4 17. fxg6 fxg6 18. h3 h4 19. Ne2 Ne6 20. Ra2 Qe7
21. Ba1 g5 22. Nf3 Nh5 23. Nh2 Nef4 {Willmets,D-Baldwin,T Sunderland/ Tyne and
Wear 1966 0-1 (41)}) ({RR} 9. Ba3 Re8 10. Rc1 Rb8 11. h3 b6 12. d4 Bb7 13. dxe5
dxe5 14. Qb3 Bf8 15. Bxf8 Kxf8 16. Rfd1 Qe7 17. Nd5 Bxd5 18. cxd5 Nc5 19. Qc4
Nfe4 20. a4 Rbd8 21. Qa2 f5 22. Rc2 Nf6 23. Kh2 h6 {Kovalenko,I (2700)
-Onischuk,V (2612) Bastia 2015 0-1 (61)}) ({RR} 9. a4 Nh5 10. Nd5 f5 11. d3 e4
12. Bg5 Ndf6 13. Nd2 exd3 14. exd3 h6 15. Bxf6 Nxf6 16. Ra2 Ng4 17. Nf3 c6 18.
Nf4 Kh7 19. bxc6 bxc6 20. h3 Nf6 21. Nd4 Qb6 22. Nxc6 Bb7 23. Qb1 Ra6 {Bychkov,
V (2303)-Janaszak,D (2333) chess.com INT 2022 1/2-1/2 (70)}) 9... Nc5 10. d3 e4
11. Ng5 exd3 12. exd3 Bf5 13. Rd1 h6 14. Nf3 g5 15. Nd4 Bg6 16. Ba3 Nfd7 17.
Bxc5 Nxc5 18. Nb3 Bh5 19. Rd2 Nxb3 20. axb3 Qf6 21. Rc1 Qxc3 22. Qxc3 Bxc3 23.
Rxc3 Rab8 24. Ra2 Rfe8 25. Be4 b6 26. b4 axb4 27. Rb3 f5 28. Bxf5 Bf3 29. Rb1
Re5 30. Be4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "do Nascimento, Maycon"]
[Black "Braga, Marcelo Melem"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nfg5 ({RR} 5. Qe2 Bxe4 6. Qxe4
Nf6 7. Qe2 e6 8. g3 Nbd7 9. Bg2 Bd6 10. O-O O-O 11. b3 e5 12. Bb2 Re8 13. d3 a5
14. Nd2 a4 15. Nc4 Qc7 16. Nxd6 Qxd6 17. Rfe1 a3 18. Bc1 Qd4 19. Be3 Qd6 {
Muench,I (2252)-Koehler,P (2226) Germany 2002 1-0 (83)}) ({RR} 5. Qe2 e6 6. d4
Nf6 7. Nxf6+ gxf6 8. Nh4 Nd7 9. g3 Be7 10. Bg2 Bg6 11. O-O f5 12. Nf3 Bh5 13.
Bf4 Nb6 14. c4 Bf6 15. Rad1 Qe7 16. b3 Rd8 17. Qe3 Bxf3 18. Bxf3 h5 19. a4 a5 {
Vesely,T (2164)-Skerik,K (2053) Czechia 2011 1-0 (41)}) 5... h6 $146 ({RR} 5...
f6 6. Bc4 fxg5 7. Nxg5 Bg6 8. h4 h6 9. Ne6 Qd6 10. Qf3 Nf6 11. d3 Qe5+ 12. Kf1
Bh5 13. Qf4 Qe2+ 14. Kg1 Qe1+ 15. Kh2 Ng4+ 16. Kg3 Qe5 17. Nc7+ Kd7 18. Nxa8
Qxf4+ 19. Bxf4 e5 20. Bd2 {Ilic,D-Kobe,T (1810) Kranj 1995 0-1 (32)}) 6. Qf3
Bg6 7. h4 hxg5 8. Nxg5 Nf6 9. d3 Qd5 10. Qxd5 cxd5 11. d4 a6 12. c4 e6 13. g3
Bb4+ 14. Bd2 Bxd2+ 15. Kxd2 Ne4+ 16. Ke1 Nxg5 17. Bg2 Be4 18. Rg1 Bxg2 19. Rxg2
Nf3+ 20. Ke2 Nxd4+ 21. Kd3 Nbc6 22. f4 dxc4+ 23. Kxc4 b5+ 24. Kd3 O-O 25. g4 f5
26. g5 g6 27. Rh1 Kg7 28. a3 Rh8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "5"]
[White "dos Anjos, Avner Augusto"]
[Black "Assad, Leonardo"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. Qe2 Nf6 7. c4 d6 8. Nc3
Be7 9. O-O Nbd7 10. Be3 b6 11. f4 Bb7 12. b4 O-O 13. Rac1 Rfe8 14. g4 $146 ({RR
} 14. a4 a5 15. bxa5 Rxa5 16. Nb3 Raa8 17. Ra1 Nc5 18. Bxc5 dxc5 19. e5 Nd7 20.
Nb5 Qc6 21. a5 f5 22. exf6 Nxf6 23. Rfe1 Bd8 24. axb6 Rxa1 25. Rxa1 Bxb6 26.
Re1 e5 27. Qf1 exf4 28. Rxe8+ Nxe8 {Lagno,K (2454)-Spraggett,K (2589) Caleta
2005 0-1 (40)}) 14... g6 15. f5 exf5 16. gxf5 Bf8 17. fxg6 fxg6 18. Nd5 Qd8 19.
Nxf6+ Nxf6 20. Bg5 Be7 21. Qf3 Qd7 22. c5 Qg4+ 23. Qxg4 Nxg4 24. Bc4+ Kh8 25.
Bxe7 Rxe7 26. c6 Bc8 27. Rf8+ Kg7 28. Rg8+ Kh6 29. Be6 Rc7 30. Bxg4 Kg5 31.
Bxc8 Rcxc8 32. Rxc8 Rxc8 33. Rf1 h5 34. Ne6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Almeida, Tiago"]
[Black "Cardoso, Lucca"]
[Result "1/2-1/2"]
[ECO "D60"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. c4 O-O 6. Nc3 Nbd7 7. Be2 a6 8. O-O
dxc4 9. Bxc4 b5 10. Be2 Bb7 11. Rc1 c5 12. dxc5 Nxc5 13. b4 ({RR} 13. Bxf6 Bxf6
14. Qxd8 Rfxd8 15. Nxb5 axb5 16. Rxc5 Rxa2 17. Rxb5 Ba6 18. Bc4 Bxb5 19. Bxa2
Bxf1 20. Kxf1 Bxb2 21. Ke2 h6 22. Bc4 g5 23. h3 Bc3 24. Bd3 Kf8 25. g4 Ke7 26.
h4 f6 27. hxg5 hxg5 {Eggink,R (2386)-Federzoni,E (2175) chess.com INT 2023 1-0
(68)}) 13... Ncd7 14. Qb3 Qb6 15. Rfd1 Rfd8 $146 ({RR} 15... Rac8 16. Rxd7 Nxd7
17. Bxe7 Rfe8 18. Bg5 h6 19. Bf4 Nf6 20. Rd1 Qc6 21. Nb1 Red8 22. Rxd8+ Rxd8
23. Qc3 Qd5 24. Qd4 Rc8 25. Qxd5 Nxd5 26. Nfd2 Rc1+ 27. Bf1 Nxb4 28. a3 Nd5 29.
Be5 Nb6 30. f3 {Mourao,E (2008)-Fernandes,S (2073) Rio de Janeiro RJ BRA 2008
1/2-1/2 (55)}) 16. e4 e5 17. Be3 Qe6 18. Qb1 h6 19. a3 Rac8 20. Nd2 Nb8 21. f3
Nh5 22. Nb3 Rxd1+ 23. Bxd1 Nf4 24. Na5 Ba8 25. Bb3 Qg6 26. Bxf4 exf4 27. Nd5
Rxc1+ 28. Qxc1 Bxd5 29. Bxd5 Qb6+ 30. Kf1 Bh4 31. Qc5 Qxc5 32. bxc5 Bd8 33. Nb7
Bc7 34. Ke2 Nd7 35. Kd3 Kf8 36. c6 Ne5+ 37. Kd4 f6 38. Kc3 Ke7 39. a4 bxa4 40.
Kb4 Nd3+ 41. Kxa4 Ne1 42. Nc5 Kd6 43. Ne6 g5 44. Ng7 Ke7 45. Ne6 Kd6 46. Ng7
Ke7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Andrade, Guilherme Souza"]
[Black "Pironti, Francisco"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. h3 Bg7 8. Nf3
O-O 9. Bd3 b5 10. O-O a6 11. Re1 Re8 12. a3 ({RR} 12. Bf4 Qb6 13. Qd2 Nbd7 14.
Rad1 Bb7 15. Bc2 Rac8 16. a3 a5 17. a4 b4 18. Nb5 Bf8 19. b3 c4 20. bxc4 Rxc4
21. Bd3 Rcc8 22. Nfd4 Nc5 23. Bb1 Nfxe4 24. Bxe4 Nxe4 25. Qd3 Bxd5 26. Bc1 Nc3
{Della Corte,A (2184)-Kochiev,I (2053) chess.com INT 2023 1/2-1/2 (52)}) 12...
Nbd7 ({RR} 12... Ra7 13. Bf4 Rae7 14. Rc1 Qb6 15. b4 Nbd7 16. Qd2 Bb7 17. Be3
Qd8 18. Bf4 Qb6 19. Bg5 Rc8 20. Be3 Qd8 21. Bf4 Nb6 22. bxc5 Rxc5 23. Bxd6 Qxd6
24. e5 Qd8 25. exf6 Rxe1+ 26. Rxe1 Bxf6 27. Ne4 {Onischuk,A (2670)-Bacrot,E 
(2691) Biel 2008 0-1 (55)}) 13. Bf4 Qb6 14. Rc1 Nh5 $146 ({RR} 14... c4 15. Bb1
Nc5 16. Be3 Nfd7 17. e5 Nxe5 18. Nxe5 Rxe5 19. Ne4 Bb7 20. b4 cxb3 21. Nxc5 b2
22. Nd7 bxc1=Q 23. Qxc1 Qd8 24. Nxe5 Bxe5 25. f4 Bg7 26. Be4 Rc8 27. Qd1 Qa5
28. Bc1 Re8 29. Re2 {Salvador,R (2445)-Brodsky,M (2524) Brescia 2009 0-1 (41)})
15. Be3 Ne5 16. Nxe5 Bxe5 17. b4 Qc7 18. Qd2 c4 19. Bb1 Qd8 20. f4 Bg7 21. Ne2
Nf6 22. Nc3 Bd7 23. Bd4 h6 24. Rcd1 a5 25. e5 dxe5 26. fxe5 Nh7 27. e6 fxe6 28.
Bxg6 e5 29. Bc5 axb4 30. axb4 Ng5 31. Bxe8 Qxe8 32. Ra1 Rxa1 33. Rxa1 Bxh3 34.
gxh3 Nf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Andrade, Roberto Costa"]
[Black "Farias, Igor"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5
15. Qh5 Bf6 16. fxe6 g6 17. Nd5 Qd8 18. Qh3 ({RR} 18. Qe2 Bxe6 19. Nxe6 fxe6
20. Nxf6+ Qxf6 21. Rxd6 O-O 22. Bh3 Nc4 23. e5 Qxe5 24. Qxe5 Nxe5 25. Rxe6 Nf3
26. Bg2 Rad8 27. Bxf3 Rxf3 28. Rxa6 Rf2 29. b3 Rdd2 30. Re1 Kg7 31. Ra7+ Kf6
32. Rc7 Rxh2 {De Siqueira,L (2011)-Franca Junior,J (1696) Florianopolis BRA
2023 1-0 (72)}) 18... O-O 19. exf7+ Rxf7 20. Qg3 $146 ({RR} 20. Qb3 Bg4 21. Bh3
Bxd1 22. Rxd1 Kh8 23. Rf1 Bg7 24. Rxf7 Nxf7 25. Qe3 Qg5 26. Ne6 Qxe3 27. Nxe3
Be5 28. Nd5 Bxh2 29. Nec7 Rf8 30. Ne6 Rb8 31. b4 h5 32. Nec7 Ng5 33. Bd7 Rf8
34. Nxa6 Be5 {Schiller,E (2270)-Gratz,G Illinois 1989 0-1 (35)}) 20... Bh4 21.
Qb3 Bg4 22. Be2 Bxe2 23. Nxe2 Nc4 24. Qh3 Qg5 25. Nec3 Bf2 26. Qe6 Qe5 27. Qxe5
dxe5 28. Rhf1 b4 29. Ne2 Raf8 30. Ka1 Bd4 31. Rxf7 Bxb2+ 32. Kb1 Rxf7 33. Nb6
Nxb6 34. Kxb2 Rf3 35. Rd3 Na4+ 36. Kc1 Rxd3 37. cxd3 Nc5 38. d4 exd4 39. Nxd4
Nxe4 40. Nc6 g5 41. Nxb4 Nc5 42. Kc2 h5 43. Kc3 g4 44. Kd4 h4 45. Ke3 Kg7 46.
Kf4 g3 47. hxg3 h3 48. Kf3 Kg6 49. Nxa6 Nxa6 50. g4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Aranha Filho, Alvaro"]
[Black "Matsuura, Everaldo"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "18"]
[EventDate "2021.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Nh5 7. Bd2 Nf6 8.
Bf4 Nh5 9. Bd2 Nf6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Assad, Leonardo"]
[Black "Andrade, Dalson Holanda"]
[Result "1/2-1/2"]
[ECO "E03"]
[PlyCount "129"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Nbd7 5. O-O dxc4 6. Qa4 a6 7. Qxc4 b5 8.
Qc2 Bb7 9. d4 c5 10. dxc5 Bxc5 11. Bg5 ({RR} 11. Nbd2 Rc8 12. Qd1 O-O 13. Nb3
Qe7 14. Nxc5 Nxc5 15. Bd2 Nfe4 16. Bb4 Rfd8 17. Qb1 Qf6 18. b3 h6 19. Rd1 Nc3
20. Bxc3 Qxc3 21. Rxd8+ Rxd8 22. Qc1 Ne4 23. Qxc3 Nxc3 24. Kf1 Nxa2 25. Rxa2
Rd1+ {Gheorghiu,F (2500)-Huebner,R (2605) Haifa 1989 1/2-1/2 (46)}) 11... Rc8
12. Qd1 O-O 13. Nbd2 $146 ({RR} 13. Nc3 Qb6 14. Nd2 Bxg2 15. Kxg2 h6 16. Bxf6
Nxf6 17. Qb3 Rfd8 18. Rad1 Bd4 19. Nce4 Nxe4 20. Nxe4 Qc6 21. Qf3 f5 22. Nc3
Qc4 23. a3 Bxc3 24. Rxd8+ Rxd8 25. Qxc3 Qe4+ 26. Qf3 Rd2 27. Qxe4 fxe4 {
Jaster,R (2200)-Balicki,C (2295) Rostock 1987 1/2-1/2 (50)}) ({RR} 13. Nc3 Qb6
14. h3 h6 15. Bd2 e5 16. e3 e4 17. Ne1 Ne5 18. Qe2 Qc6 19. a3 Rfd8 20. Na2 Nf3+
21. Bxf3 exf3 22. Nxf3 Qxf3 23. Qxf3 Bxf3 24. Bc3 Ne4 25. Ba5 Rd5 26. g4 h5 27.
Rae1 hxg4 {Rodriguez Canovas,E (1853)-Vela Frago,A (2263) Marbella ESP 2023 0-1
}) 13... h6 14. Bf4 Nh5 15. Be5 Nxe5 16. Nxe5 Bxg2 17. Kxg2 Bd4 18. Nd3 Nf6 19.
Nf3 Ba7 20. Rc1 Qe7 21. Qd2 Ne4 22. Qf4 Qb7 23. Rxc8 Rxc8 24. Rc1 Rxc1 25. Qxc1
Ng5 26. Nde5 Bd4 27. h4 Nxf3 28. Nxf3 a5 29. Qd2 Bb6 30. Qf4 Bc7 31. Qd4 Qc6
32. Qd3 a4 33. Qc3 Qd7 34. b3 Bb6 35. bxa4 bxa4 36. Qb4 Bd8 37. Qc4 Bf6 38. e3
g6 39. Nd4 Kf8 40. Kf3 a3 41. Qb4+ Be7 42. Qb8+ Kg7 43. Qb3 h5 44. Nb5 Qb7+ 45.
Ke2 Qa6 46. Kf3 Qc6+ 47. Ke2 Qa6 48. Kf3 Qc6+ 49. Ke2 Qc1 50. Qc3+ Qxc3 51.
Nxc3 Kf6 52. Kd3 Ke5 53. f3 f6 54. e4 g5 55. Ne2 gxh4 56. f4+ Kd6 57. gxh4 f5
58. Ng3 Bxh4 59. Nxh5 fxe4+ 60. Kxe4 Kc5 61. Ng7 Kc4 62. Nxe6 Bf6 63. f5 Kc3
64. Nc7 Kb2 65. Nb5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Avelar, Flavio Henrique"]
[Black "Aoyama, Edmundo"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "124"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 O-O 6. O-O Nbd7 7. h3 c5 8. c3
a6 9. Nbd2 ({RR} 9. a4 b6 10. Nfd2 Bb7 11. Bf3 Qc7 12. Bxb7 Qxb7 13. Bg5 b5 14.
Qf3 d5 15. Bxf6 Bxf6 16. axb5 axb5 17. Na3 b4 18. Nac4 cxd4 19. exd4 Qb5 20.
Rxa8 Rxa8 21. Ne3 Nb6 22. Qd1 e6 23. Qb3 Qa4 {Mrkonjic,N (2396)-Hulak,K (2543)
Sibenik 2008 0-1 (64)}) 9... b5 10. Qc2 ({RR} 10. e4 cxd4 11. cxd4 Bb7 12. Bd3
Qb6 13. Be3 Rac8 14. Qb3 Qc7 15. a4 bxa4 16. Qxa4 Rfd8 17. Qb3 Qb6 18. Qxb6
Nxb6 19. Bxa6 Bxa6 20. Rxa6 Nc4 21. Nxc4 Rxc4 22. e5 dxe5 23. Nxe5 Rc2 24. Rb1
Nd5 {Andhin,C-Makwena,C (1609) Chennai IND 2022 1/2-1/2 (45)}) 10... Bb7 11.
Rad1 $146 ({RR} 11. Ng5 Rc8 12. Nge4 Qb6 13. a3 cxd4 14. exd4 Qxd4 15. Nxf6+
Qxf6 16. Bg3 Nc5 17. Rac1 Bh6 18. Rcd1 Rc7 19. f3 Bg7 20. Bf2 Rfc8 21. Bd4 Qe6
22. Bxc5 Rxc5 23. Rfe1 Qd7 24. Nb1 Bf6 25. Rd3 a5 {Telljohann,S-Franke,C
Telgte 1989 0-1 (52)}) 11... Rc8 12. Qb1 Qb6 13. dxc5 Nxc5 14. Bg3 Rfd8 15.
Rfe1 Nfe4 16. Bh2 a5 17. Bd3 Nxd3 18. Qxd3 Nc5 19. Qe2 Ba6 20. Rb1 b4 21. c4 d5
22. b3 Bc3 23. Rec1 dxc4 24. Nxc4 Qe6 25. Rd1 a4 26. Rxd8+ Rxd8 27. Rd1 Rxd1+
28. Qxd1 axb3 29. axb3 Nxb3 30. Nce5 f6 31. Qd8+ Kg7 32. Nd7 Qf7 33. g4 Bb7 34.
Nd4 Nxd4 35. exd4 Bxd4 36. Qb8 Bc6 37. Qxb4 Bxf2+ 38. Kxf2 Bxd7 39. Bf4 g5 40.
Bd2 Qe6 41. Bc3 Bc6 42. Qc5 h6 43. Bb4 Kf7 44. Bc3 Qe4 45. Bb4 Bd5 46. Ba3 Bc4
47. Bb4 Qe2+ 48. Kg3 Qd3+ 49. Kf2 Qe4 50. Ba3 Bd5 51. Bb4 Qg2+ 52. Ke1 Qh1+ 53.
Kf2 Qe4 54. Ba3 Bb3 55. Qb4 Qe6 56. Qc5 Bd1 57. Bb4 Qe2+ 58. Kg1 Bb3 59. Qc3
Bd5 60. Qd2 Qf3 61. Kh2 Qh1+ 62. Kg3 Qg1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Baeta, Marcio Netto"]
[Black "Wagner, Julia"]
[Result "0-1"]
[ECO "E04"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. d4 e6 3. g3 c5 4. c3 Nc6 5. Bg2 cxd4 6. cxd4 d5 7. O-O Bd6 8. Nc3
O-O 9. Bg5 h6 10. Bxf6 Qxf6 11. e4 dxe4 12. Nxe4 Qe7 13. d5 exd5 14. Qxd5 Rd8
$146 ({RR} 14... Bc7 15. Rfe1 Be6 16. Qc5 Rae8 17. Qxe7 Rxe7 18. Nc5 Bc8 19.
Rxe7 Nxe7 20. Re1 Ng6 21. h4 Rd8 22. h5 Nf8 23. Nb3 Nd7 24. Bh3 Nf6 25. Bxc8
Rxc8 26. Rc1 Nxh5 27. Nbd4 a6 28. Nf5 {1/2-1/2 (28) Borensztajn,D (1777)
-Kikuchi Cadilhac,M (1639) Sao Paulo BRA 2019}) 15. Nxd6 Be6 16. Qb5 Rxd6 17.
Ne5 Nxe5 18. Qxe5 Rad8 19. Rac1 Qd7 20. Qc5 b6 21. Qc7 Bxa2 22. Qxd7 R6xd7 23.
Bh3 Rd2 24. b4 Rb2 25. Rc7 Rdd2 26. Bf5 g6 27. Bd7 a6 28. Bc8 Rxb4 29. Bxa6
Rbb2 30. Re7 Be6 31. h4 Bh3 32. Rfe1 Rxf2 33. Re8+ Kg7 34. Bb7 Bg2 35. Ba6 Bf3
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Bandeira, Tarciano"]
[Black "Rezende, Uelton"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 d6 7. O-O Nf6 8. Nbd2
({RR} 8. Re1 O-O 9. h3 h6 10. Bd3 Re8 11. Nbd2 Bf8 12. Nf1 g6 13. Ng3 Bg7 14.
Qb3 Qe7 15. a4 Rb8 16. Ba3 Bd7 17. Bb5 a6 18. Bxc6 bxc6 19. Qc4 exd4 20. cxd4
Qe6 21. Qxa6 Ra8 22. Qd3 Rxa4 {Harika,D (2492)-Lei Tingjie (2507) Hengshui CHN
2019 1-0 (51)}) 8... O-O 9. Re1 ({RR} 9. h3 a6 10. Re1 b5 11. Bd3 Bb7 12. a4
bxa4 13. Rxa4 Re8 14. Nf1 Bf8 15. Ng3 Nb8 16. Rb4 Bc6 17. d5 Bd7 18. Bg5 a5 19.
Rb1 a4 20. Bb5 Bxb5 21. Rxb5 Nbd7 22. Be3 a3 23. Qa1 Qc8 {Winkels,M (1974)
-Yurasova,D (2075) chess.com INT 2022 0-1 (40)}) 9... Bg4 10. Qc2 $146 ({RR} 
10. Be2 Bxf3 11. Nxf3 Nxe4 12. Qd3 Ng5 13. Nxg5 Bxg5 14. Bxg5 Qxg5 15. Bd1 Rae8
16. Re3 exd4 17. cxd4 Rxe3 18. fxe3 Nb4 19. Qe2 Nd5 20. e4 Ne3 21. g3 Nxd1 22.
Rxd1 Re8 23. e5 dxe5 24. dxe5 Rxe5 {Fakan,P-Hrabovsky,O Klatovy 2001 1-0 (51)})
10... a6 11. Rb1 Qc8 12. h3 Bh5 13. Qd3 Rd8 14. Nh4 Na5 15. Nf5 Bf8 16. Bb3
Nxb3 17. Rxb3 Bg6 18. g4 d5 19. dxe5 dxe4 20. Qb1 Nd5 21. Qxe4 Rb8 22. f4 Bxf5
23. gxf5 Ne7 24. e6 fxe6 25. fxe6 Rd5 26. c4 Rh5 27. Qf3 Qe8 28. Bb2 Nf5 29.
Ne4 Qg6+ 30. Kh2 Rh6 31. Nf6+ Kh8 32. Rg1 Nh4 33. Qf2 Qf5 34. Nd7 Ng6 35. Nxf8
Rxf8 36. e7 Re8 37. Rg5 Qd7 38. f5 Qxe7 39. Rbg3 Qd6 40. fxg6 hxg6 41. Rd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Bittencourt, Jorge"]
[Black "Marra, Eduardo"]
[Result "1/2-1/2"]
[ECO "E16"]
[PlyCount "32"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 b6 7. O-O Bb7 8. a3
Be7 9. cxd5 exd5 10. b4 c6 ({RR} 10... a5 11. b5 c6 12. bxc6 Nxc6 13. Bb2 b5
14. e3 a4 15. Qb1 Qb6 16. Rc1 Rfc8 17. Ne5 h6 18. Bc3 Rc7 19. Qb2 Rac8 20. Bf1
Ba6 21. Nxc6 Rxc6 22. Nf3 Ne4 23. Bb4 Bxb4 24. axb4 f6 25. Rc5 {So,W (2780)
-Vidit,S (2718) chess.com INT 2018 1-0 (48)}) 11. Nb3 ({RR} 11. Bb2 Nbd7 12.
Ne5 Bd6 13. Ndf3 Re8 14. Rc1 Rc8 15. Qa4 b5 16. Qb3 Nb6 17. Rc2 Nc4 18. Bc3 Ne4
19. a4 f6 20. Nd3 bxa4 21. Qxa4 Nxc3 22. Rxc3 Rxe2 23. Qxa7 Qe7 24. Nc5 Bxc5
25. Qxc5 Qxc5 {Slade,T (2027)-Drygalov,A (2475) chess.com INT 2023 0-1 (43)})
11... Ne4 12. Qc2 $146 ({RR} 12. Bb2 Nd6 13. Nfd2 Nd7 14. Rc1 Rc8 15. Re1 f5
16. Qc2 Bf6 17. f3 Bg5 18. e3 Ba6 19. Bf1 Bxf1 20. Nxf1 Kh8 21. Kg2 Nc4 22.
Nbd2 b5 23. Nxc4 bxc4 24. Bc3 g6 25. Re2 Nf6 26. Nd2 Kg8 {Zia,T (2212)-Murshed,
N (2410) Dhaka BAN 2021 0-1 (45)}) 12... Re8 13. Nfd2 Nf6 14. e4 dxe4 15. Nxe4
Nbd7 16. Bb2 Rc8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Boabaid, Jorge Alberto"]
[Black "Fogaca, Vinicius"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 4. e3 Nc6 5. c3 Qb6 6. Na3 a6 7. Rb1 Bf5 8. Bd3
Bxd3 9. Qxd3 e6 10. O-O Be7 11. dxc5 $146 ({RR} 11. Nc2 O-O 12. Rfe1 Rac8 13.
h3 h6 14. g4 Ne4 15. Nd2 f5 16. f3 Nxd2 17. Qxd2 Bh4 18. Re2 fxg4 19. fxg4 g5
20. Bh2 Rf3 21. Ne1 Bxe1 22. Qxe1 Ne7 23. Kg2 Rf7 24. Rf2 Rcf8 25. Rxf7 Rxf7 {
Barchanek,A (1880)-Masek,M (2125) Czechia 1993 0-1 (60)}) 11... Qxc5 12. b4 Qb6
13. Nc2 O-O 14. a4 Nh5 15. Bg5 Bxg5 16. Nxg5 g6 17. f4 Nf6 18. b5 Na5 19. bxa6
Qxa6 20. Qd4 Kg7 21. f5 Nc6 22. Qh4 exf5 23. Nd4 Nxd4 24. Qxd4 Qxa4 25. Rb4 Qa7
26. Rb6 Kh6 27. Qxf6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Bocca, Edson Ricardo"]
[Black "Timossi, Lucas Jose"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bf4 O-O 6. Qd2 c5 7. dxc5 dxc5 8.
O-O-O Qxd2+ 9. Nxd2 ({RR} 9. Rxd2 Nc6 10. Be2 Nd4 11. h3 Nxe2+ 12. Rxe2 Be6 13.
Rd1 b5 14. Nxb5 Bc4 15. Nc3 Bxe2 16. Nxe2 Nxe4 17. Be3 Rab8 18. c3 Rfd8 19. Re1
a5 20. Nf4 e6 21. Kc2 Rd7 22. h4 c4 23. Bd4 Bxd4 {Nihal,S (2620)-Bortnyk,O 
(2598) chess.com INT 2021 0-1 (31)}) ({RR} 9. Rxd2 Nc6 10. Bb5 Nd4 11. Nxd4
cxd4 12. Nd5 Nxd5 13. exd5 Bf5 14. Re1 e6 15. dxe6 Bxe6 16. Be5 Bh6 17. f4 Rfd8
18. g3 g5 19. fxg5 Bxg5 20. Bf4 Bxf4 21. gxf4 Rd6 22. Bd3 Kg7 23. Rg2+ Kf6 {
Vaibhav,J (2147)-Rasulov,V (2549) chess.com INT 2023 1/2-1/2 (79)}) 9... Ng4
$146 ({RR} 9... Nc6 10. f3 Be6 11. Bc4 Nd4 12. Be5 Rfd8 13. g4 Bxc4 14. Nxc4
Nxf3 15. Bxf6 Bxf6 16. Nd5 Bg5+ 17. Kb1 e6 18. Nc7 Rac8 19. Nb5 a6 20. Nbd6 Rc7
21. a4 Rcd7 22. Rd3 Nd2+ 23. Nxd2 Rxd6 24. Nf3 {Ladan,N (2158)-Broca Jimenez,F
(2075) chess.com INT 2022 1-0 (40)}) 10. Bg3 Bxc3 11. bxc3 Be6 12. Nb3 Rc8 13.
f3 Ne3 14. Re1 Nxf1 15. Rhxf1 b5 16. Kb2 Nd7 17. Bf2 a5 18. a3 Nb6 19. Nxc5
Rxc5 20. Bxc5 Na4+ 21. Kc1 Nxc5 22. Re3 Na4 23. f4 Rc8 24. Rff3 Nb6 25. f5 Bd7
26. fxg6 hxg6 27. h4 Nc4 28. Re1 Nxa3 29. Rh1 Nc4 30. h5 Bg4 31. Rg3 Be6 32.
hxg6 fxg6 33. Rxg6+ Kf7 34. Rg5 Rg8 35. Rh7+ Ke8 36. Rxg8+ Bxg8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Borges, Ivoney"]
[Black "Santos, Clecio Franca"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. e5 Nfd7 5. d4 Bg7 6. Nf3 O-O 7. Be3 c5 8. exd6
exd6 9. Qd2 Nc6 10. O-O-O Re8 ({RR} 10... Qa5 11. Kb1 a6 12. Nd5 Qxd2 13. Rxd2
b5 14. dxc5 dxc5 15. g3 Bb7 16. Bg2 Rae8 17. Rhd1 Na5 18. b3 Bxd5 19. Rxd5 Nf6
20. Bxc5 Nxd5 21. Rxd5 Rd8 22. Ne5 Rxd5 23. Bxd5 Rd8 24. Bxf7+ Kh8 25. Kc1 {
Zeng,C (2549)-Shoker,S (2492) Hong Kong 2016 0-1 (59)}) ({RR} 10... Qa5 11. Kb1
Nf6 12. h3 Bf5 13. a3 Rac8 14. Bd3 Bxd3 15. Qxd3 Ne7 16. dxc5 dxc5 17. Ne5 a6
18. g4 Qc7 19. Qd6 Rfe8 20. Rhe1 Qxd6 21. Rxd6 b5 22. Rxa6 b4 23. axb4 cxb4 24.
Nb5 Ne4 25. Rd1 {Mateus,A (2313)-Valdes,L (2396) San Pedro de Macoris DOM 2022
0-1 (70)}) 11. Bf2 Qa5 12. Kb1 Nf6 $146 ({RR} 12... a6 13. Bc4 Rb8 14. Ng5 Rf8
15. Nce4 Qxd2 16. Rxd2 Nb6 17. Bxf7+ Rxf7 18. Nxf7 Kxf7 19. Nxd6+ Kg8 20. dxc5
Na4 21. c3 b6 22. Nxc8 bxc5 23. Nd6 Nxc3+ 24. Ka1 Na4 25. Nc4 Na5 26. Nxa5 Nxb2
27. Nc6 {Liebold,T (2160)-Schargorodskij,M (2183) Doernfeld 1999 1-0 (53)}) 13.
h3 a6 14. d5 Nb4 15. a3 Ne4 16. Nxe4 Rxe4 17. c3 Bf5 18. Ka1 Qa4 19. Nd4 cxd4
20. cxb4 Re3 21. Bc4 Rxa3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Braga, Marcelo Melem"]
[Black "Souza, Eliel"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Nbd7 6. a3 ({RR} 6. Qc2 c6 7.
e3 Bb4 8. Bd3 Nf8 9. a3 Bxc3+ 10. bxc3 Ng6 11. Nf3 Qd6 12. c4 dxc4 13. Qxc4 O-O
14. O-O Nd5 15. Rfe1 h6 16. Bxg6 Qxg6 17. Bh4 Be6 18. Qc1 Qe4 19. Rb1 Nb6 20.
Be7 Rfe8 {Golichenko,I (2408)-Pavlov,S (2460) Kiev 2012 1-0 (35)}) 6... Be7 ({
RR} 6... c6 7. Nf3 Be7 8. e3 O-O 9. Bd3 h6 10. Bh4 Re8 11. O-O Nf8 12. Ne5 Ne6
13. b4 Qc7 14. Qf3 Rf8 15. Rac1 a6 16. Bxf6 Bxf6 17. Nxd5 Qd8 18. Nxf6+ Qxf6
19. Qxf6 gxf6 20. Nc4 Nc7 21. f4 {Kutek,J (1605)-Boruvka,M (1885) Hradec
Kralove CZE 2023 1-0 (45)}) 7. Nf3 O-O 8. e3 c5 $146 ({RR} 8... b6 9. Bd3 Bb7
10. Qc2 c5 11. O-O Re8 12. Rfe1 Rc8 13. a4 a6 14. b3 cxd4 15. Nxd4 Bb4 16. Nde2
Qc7 17. Rec1 Qc6 18. Na2 Qxc2 19. Rxc2 Rxc2 20. Bxc2 Be7 21. h3 Rc8 22. Rc1 Ba3
23. Bxh7+ {Matt,T-Blaich,M Pinneberg 1996 0-1 (41)}) 9. dxc5 Ne4 10. Bxe7 Qxe7
11. Nxd5 Qxc5 12. b4 Qd6 13. Rc1 Ndf6 14. Nxf6+ Qxf6 15. Qd4 Qe7 16. Qe5 Re8
17. Qxe7 Rxe7 18. Bd3 Nf6 19. O-O h6 20. h3 Be6 21. Nd4 Rd8 22. Rfd1 Bd7 23.
Rc7 Rb8 24. Bb5 Rc8 25. Rdc1 Rb8 26. Nf5 Bxf5 27. Rxe7 a6 28. Bc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Brito, Luismar"]
[Black "Umetsubo, Cesar"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8.
O-O e6 ({RR} 8... g6 9. Bg5 Bg7 10. h3 O-O 11. Qe3 a6 12. Rfe1 Re8 13. e5 Bxf3
14. Qxf3 dxe5 15. Rxe5 Qb6 16. Rb1 Rac8 17. Ree1 Qc6 18. Qxc6 Rxc6 19. Bxf6
Bxf6 20. Nd5 Kg7 21. c3 Rd6 22. Ne3 Red8 23. Kf1 {Begmuratov,K (2431)
-Degenbaev,A (2147) chess.com INT 2023 1-0 (50)}) 9. b3 ({RR} 9. Bg5 Be7 10.
Rad1) ({RR} 9. e5 Bxf3 10. exf6 e5 11. Qd3 Bc6 12. fxg7 Bxg7 13. Rd1 O-O 14.
Ne4 f5 15. Nxd6 Qf6 16. Bd2 Qg6 17. f3 e4 18. fxe4 fxe4 19. Qb3+ Kh8 20. Be3
Rf3 21. Nc4 Raf8 22. Rd6 Qg4 23. Rad1 b5 {Schweber,S (2365)-Ricardi,P (2480)
Buenos Aires 1993 0-1}) 9... Be7 10. Bb2 $146 ({RR} 10. Ba3 e5 11. Qd3 O-O 12.
Bc1 h6 13. a4 Rc8 14. Rd1 Qc7 15. Nd2 Rfd8 16. Qe2 d5 17. exd5 Bxd5 18. Bb2 Be6
19. Rac1 a6 20. Nf1 Bg4 21. f3 Be6 22. Kh1 Nh5 23. Rxd8+ Rxd8 24. Nd1 Bf6 {
Tukmakov,V-Gufeld,E Kiev (Ukraine) 1968 0-1 (44)}) 10... O-O 11. Rad1 Qc7 12.
Qe3 b5 13. Nd2 Qb7 14. Rfe1 Rfc8 15. Rc1 a5 16. Nd1 b4 17. Qg3 e5 18. Qf3 a4
19. c4 axb3 20. axb3 Ra2 21. Qd3 Nd7 22. Qb1 Rca8 23. Ne3 Bg5 24. Rcd1 Nc5 25.
f3 Qb6 26. Kh1 Rxb2 27. Qxb2 Nd3 28. Qb1 Nf2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Brito, Vicente"]
[Black "Urquiza, Marcello"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 e6 4. e3 a6 5. Bd3 c5 6. dxc5 Bxc5 7. Nge2 ({RR} 7.
Nf3 Nc6 8. O-O O-O 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Bd7 12. Bxh7+ Kxh7 13.
Ng5+ Kg6 14. Qg4 f5 15. Qg3 Kf6 16. Rad1 Rh8 17. Rfe1 Qe7 18. Nxe6 Qxe6 19.
Rxe6+ Bxe6 20. Qc3+ Bd4 21. Rxd4 Nxd4 {Thomforde-Toates,N (2124)-Micic,A (2223)
chess.com INT 2023 1-0 (40)}) 7... Nc6 8. Bg5 $146 ({RR} 8. Bg3 Nb4 9. O-O Nxd3
10. cxd3 Bd6 11. Bxd6 Qxd6 12. d4 O-O 13. Rc1 Bd7 14. Qd2 Rac8 15. Rc2 Qb6 16.
Rfc1 h6 17. Ng3 Rc4 18. b3 Rcc8 19. Nce2 Rc6 20. Rxc6 Bxc6 21. Rc2 Rc8 22. h3
Qd8 {Veremyuk,V (1339)-Kelbas,A Bucha 2016 0-1 (63)}) 8... O-O 9. Nf4 Ne5 10.
Nh5 Be7 11. Nxf6+ Bxf6 12. h4 h6 13. Bxf6 Qxf6 14. f4 Nc4 15. Bxc4 dxc4 16. Qf3
Rd8 17. g4 Qg6 18. Rd1 Rxd1+ 19. Qxd1 b5 20. h5 Qf6 21. g5 hxg5 22. Ne4 Qe7 23.
h6 Bb7 24. hxg7 Bxe4 25. Qh5 f6 26. Qh8+ Kf7 27. fxg5 Qe8 28. Qh6 Bxh1 29.
Qxf6+ Kg8 30. Qh6 Rd8 31. g6 Rd1+ 32. Kxd1 Qd7+ 33. Ke1 Qxg7 34. Qxh1 Qxg6 35.
Qa8+ Kh7 36. Qxa6 Qg3+ 37. Kd2 Qf2+ 38. Kc3 Qxe3+ 39. Kb4 Qd2+ 40. Kxb5 Qxc2
41. Qa3 Qd3 42. Qc3 Qb1 43. a4 Qf5+ 44. Kxc4 Qd5+ 45. Kb4 e5 46. a5 e4 47. Qc7+
Kg6 48. Qb6+ Kf5 49. a6 Qd2+ 50. Kc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cabral, Denrick"]
[Black "Serafim, Paulo Rogerio"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 g6 3. d3 Bg7 4. Be3 d6 5. Qd2 Nf6 6. Bh6 O-O 7. h4 Bxh6 8. Qxh6
Ng4 9. Qd2 h5 $146 ({RR} 9... e5 10. h5 Be6 11. Nh3 Qe7 12. Ng5 Nf6 13. Nxe6
Qxe6 14. Be2 Nbd7 15. g4 Rfc8 16. Qh6 Nf8 17. hxg6 fxg6 18. g5 Ne8 19. Nd5 Qf7
20. Bg4 Rc6 21. O-O-O c4 22. Rh3 cxd3 23. Rdxd3 Qg7 24. Rdf3 {Shukan,A (2232)
-Rogov,I (2000) Novokuznetsk 2010 1-0}) 10. Be2 Kg7 11. Nd5 Nc6 12. f3 Nf6 13.
Nxf6 exf6 14. g4 hxg4 15. fxg4 d5 16. O-O-O dxe4 17. g5 fxg5 18. hxg5 exd3 19.
Bxd3 Bg4 20. Ne2 Bxe2 21. Qxe2 Qxg5+ 22. Kb1 Nd4 23. Qe4 b6 24. Rdg1 Qf6 25. c3
Nf3 26. Rg2 Rae8 27. Qb7 Re1+ 28. Rxe1 Nxe1 29. Rxg6+ Qxg6 30. Bxg6 Kxg6 31.
Qe7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Campelo, Danilo"]
[Black "Messias, Jose Vitor"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Qe2 Bb4+ (
{RR} 7... Bc5 8. O-O O-O 9. Nc3 d5 10. exd5 cxd5 11. Bb3 d4 12. Ne4 Nxe4 13.
Qxe4 Rb8 14. Qxe5 Bd6 15. Qh5 Qf6 16. Bg5 Qf5 17. Qh4 Ba6 18. Rfe1 d3 19. cxd3
Bxd3 20. Rad1 Rb4 21. Qh5 Rg4 22. Rxd3 {Ismayil,M (2148)-Benyahia,S (1670)
chess.com INT 2023 1-0}) 8. c3 ({RR} 8. Bd2 Qb6 9. Bxf7+ Kxf7 10. Qc4+ d5 11.
Qxb4 Nxe4 12. Qxb6 axb6 13. Nc3 Bf5 14. Nxe4 Bxe4 15. O-O Rhe8 16. Rfe1 Bf5 17.
c3 c5 18. a3 Ke6 19. f4 e4 20. h3 Kd6 21. Be3 Bd7 22. b3 Bb5 {Ivanovic,B (2436)
-Solak,D (2596) Subotica 2008 0-1 (33)}) 8... Be7 9. O-O O-O 10. a4 $146 ({RR} 
10. Nd2 d5 11. Bd3 Qc7 12. Re1 Re8 13. h3 Bb7 14. Nf1 dxe4 15. Bxe4 Nxe4 16.
Qxe4 c5 17. Qg4 Bf8 18. Ng3 Kh8 {1/2-1/2 (18) Hlinka,M (2247)-Valent,I (2213)
Slovakia 2004}) 10... Qc7 11. Rd1 Bb7 12. b4 d5 13. Bd3 Rad8 14. Nd2 Rd7 15.
Bb2 Rfd8 16. exd5 cxd5 17. Bf5 Rd6 18. Qxe5 g6 19. Bd3 Bf8 20. Re1 Bg7 21. Qg3
Nh5 22. Qe3 d4 23. cxd4 Bxd4 24. Bxd4 Rxd4 25. Ra3 Nf4 26. Be4 Rxd2 27. Bxb7
Ne2+ 28. Rxe2 Qc1+ 29. Re1 Qxa3 30. Qxa3 Rc2 31. g3 h5 32. h4 Rb8 33. Bd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cardoso, Lucas do Valle"]
[Black "dos Anjos, Avner Augusto"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
h5 9. Qd2 Nbd7 10. Nd5 Bxd5 11. exd5 g6 12. Na5 Qc7 13. c4 b6 14. Nc6 Bg7 15.
Be2 Nb8 16. Nxb8 Rxb8 17. O-O O-O 18. b4 $146 ({RR} 18. Rac1 a5 19. b3 Nd7 20.
a3 Nc5 21. Bd1 e4 22. b4 axb4 23. axb4 Nd3 24. Rc2 Ne5 25. c5 bxc5 26. bxc5
exf3 27. cxd6 Qd7 28. Bxf3 Rfc8 29. Rfc1 Rxc2 30. Qxc2 Qxd6 31. Qc7 Bf8 32.
Qxd6 Bxd6 {Schneider,D (2453)-Papp,G (2467) Torokbalint 2004 1/2-1/2 (33)})
18... Qb7 19. Rfd1 Rfd8 20. a4 Rd7 21. a5 bxa5 22. b5 axb5 23. cxb5 e4 24. Rxa5
exf3 25. gxf3 Re8 26. Ra7 Qb8 27. b6 Bh6 28. Ra8 Bxe3+ 29. Qxe3 Qxa8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cardoso, Marcio"]
[Black "Neves, Andrey de Souza"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nde2 e6 8.
Be3 ({RR} 8. a3 Be7 9. Ba2 Bd7 10. O-O Rc8 11. Be3 Qc7 12. h3 Ne5 13. Nd4 a6
14. f4 Nc4 15. Bxc4 Qxc4 16. Qf3 {1/2-1/2 (16) Todorovic,G (2499)-Nevednichy,V
(2562) Skopje 2012}) 8... Qa5 ({RR} 8... Qc7 9. Nb5 Qd8 10. Ng3 a6 11. Nd4 Ne5
12. Bb3 h5 13. f3 h4 14. Nge2 h3 15. g4 d5 16. g5 Nh7 17. exd5 exd5 18. Qd2 Be7
19. Rg1 Nf8 20. O-O-O b5 21. f4 Nc4 22. Bxc4 dxc4 23. Qc3 {Cisic,A (2241)
-Rajic,I (2161) Sarajevo BIH 2023 0-1 (56)}) 9. Qd2 Be7 10. f3 O-O $146 ({RR} 
10... a6 11. O-O b5 12. Bb3 O-O 13. Rad1 Bb7 14. Nf4 Qc7 15. Qf2 Ne5 16. g4 Nc4
17. Bxc4 Qxc4 18. Nd3 b4 19. Na4 Nxg4 20. Nb6 Nxf2 21. Nxc4 Nxd1 22. Rxd1 a5
23. Nb6 Ra6 24. b3 Bc6 25. Nb2 {Schmitt,F (2112)-Ausmins,E (2324) Cannes 2000
0-1 (31)}) 11. O-O-O a6 12. Nd4 Nxd4 13. Bxd4 b5 14. Bb3 b4 15. Nb1 Qb5 16. a4
Qa5 17. Na3 d5 18. exd5 exd5 19. c4 Bf5 20. Nc2 Rfc8 21. Bxf6 dxc4 22. Qg5 Bxf6
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Carmo, Jose Arlindo"]
[Black "Marquezini, Paulo E"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. b4 Bb6 7. a4 a6 8. Bg5 d6
9. Nbd2 Be6 10. O-O h6 11. Bh4 g5 ({RR} 11... Qe7 12. Re1 Ba7 13. a5 Nb8 14. d4
Nbd7 15. h3 c6 16. Qb3 Rfe8 17. Rad1 g5 18. dxe5 Nxe5 19. Nxe5 dxe5 20. Bg3
Rad8 21. Bxe6 Qxe6 22. Qxe6 Rxe6 23. Nc4 Rxd1 24. Rxd1 Nxe4 25. Rd8+ Kh7 26.
Rd7 {Wei,Y (2629)-Zhou,W (2606) China 2014 1-0 (42)}) 12. Nxg5 $146 ({RR} 12.
Bg3 Ne7 13. h4 g4 14. Nh2 h5 15. Kh1 Ng6 16. f3 Kg7 17. Bxe6 fxe6 18. Nc4 Ba7
19. d4 exd4 20. cxd4 b5 21. Ne3 bxa4 22. Rxa4 Bb6 23. Qd3 Qd7 24. Rxa6 Rxa6 25.
Qxa6 Bxd4 26. Qd3 Bxe3 {Nasuta,G (2512)-Moskalenko,A (2515) chess.com INT 2021
1/2-1/2 (48)}) 12... Bg4 13. Ngf3 d5 14. exd5 Ne7 15. Bxf6 Qd6 16. Ne4 Qd7 17.
Bxe5 Nxd5 18. Bxd5 Qxd5 19. Nf6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Carrico, Victor Hugo"]
[Black "Medeiros, Fabricio"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Qf6
8. Bxd5+ Be6 9. Bxc6 bxc6 10. Qxc6 Rc8 11. Nc3 ({RR} 11. O-O Bd6 12. Nc3 Rhd8
13. Ne4 Qe7 14. d3 Rb8 15. Bg5 Qd7 16. Nxd6+ Qxd6 17. Qf3+ Ke8 18. Bxd8 Rxd8
19. Rfe1 Bd5 20. Qh5+ g6 21. Qxe5+ Qxe5 22. Rxe5+ Kf7 23. Rae1 Rd7 24. c4 Bb7
25. R1e3 Kf6 {Abhishek Khandelwal L (1202)-Amirov,M chess.com INT 2021 1-0 (31)
}) 11... Bd6 12. d3 Rhe8 $146 ({RR} 12... Rhd8 13. Ne4 Qf5 14. Bg5 Rd7 15. O-O
Be7 16. Bxe7 Rxe7 17. Rae1 Kg8 18. Re3 Rf8 19. Rfe1 Rd7 20. Rg3 Bd5 21. Qc5
Bxe4 22. Rxe4 Qh5 23. Reg4 Qh6 24. Qe3 Qxe3 25. Rxe3 Rdf7 26. f3 Rb8 27. b3 {
Leonczak,M-Blach,B Krynica 1998 1-0 (44)}) 13. Be3 Kg8 14. O-O Qg6 15. Bxa7 Bf5
16. Be3 e4 17. Qd5+ Kh8 18. Nxe4 Bxe4 19. dxe4 Re5 20. Qb7 Rf8 21. f4 Rc5 22.
Bxc5 Bxc5+ 23. Kh1 h6 24. e5 Bb6 25. Rae1 Qxc2 26. e6 Qc4 27. Qe4 Qxa2 28. Qc6
Qa5 29. e7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Carvalho, Amauri"]
[Black "Rocha, Jean Henrique"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. b3 e6 2. Bb2 Nf6 3. e3 d5 4. Nf3 Be7 5. Be2 O-O 6. O-O c5 7. c4 Nc6 8. d3 b6
9. Nbd2 ({RR} 9. a3 Bb7 10. Qc2 Rc8 11. Nbd2 Qc7 12. e4 dxe4 13. dxe4 Rfd8 14.
e5 Ng4 15. Qc3 Nd4 16. Nxd4 cxd4 17. Qg3 Nxe5 18. f4 Ng6 19. Bd3 f5 20. Rae1
Bh4 21. Qh3 Bxe1 22. Rxe1 Nxf4 23. Qg3 Nxd3 {Seletsky,G (2222)-Saim,M (2169)
chess.com INT 2023 0-1 (69)}) 9... Qc7 ({RR} 9... Bb7 10. Rc1 Rc8 11. a3 a6 12.
Rc2 Nd7 13. Qa1 Bf6 14. Rfc1 Bxb2 15. Qxb2 Qf6 16. cxd5 Qxb2 17. Rxb2 exd5 18.
b4 cxb4 19. axb4 Nd4 20. Rxc8 Nxe2+ 21. Kf1 Rxc8 22. Kxe2 Ne5 23. Nxe5 {
1-0 (23) perkovskiy-aa (2462)-wagnerovsky (2455) lichess.org 2021}) 10. h3 $146
({RR} 10. Rc1 Bb7 11. cxd5 Nxd5 12. Qc2 Rac8 13. Qb1 Bf6 14. Rfd1 Bxb2 15. Qxb2
Rfd8 16. Rc4 Qe7 17. Rg4 Qf6 18. d4 cxd4 19. Ne4 Qe7 20. Rg3 f5 21. Neg5 Nc3
22. Re1 Nxe2+ 23. Qxe2 d3 24. Qb2 Rd7 {Reinhardt,E-Esposito,A Mar del Plata
1951 0-1 (42)}) 10... Rd8 11. Qc1 Bb7 12. d4 Rac8 13. Ne5 Nxe5 14. dxe5 Nd7 15.
Nf3 Nf8 16. Rd1 Ng6 17. Qc2 dxc4 18. bxc4 Bxf3 19. Bxf3 Nxe5 20. Be4 Kh8 21. f4
Ng6 22. Qf2 Rxd1+ 23. Rxd1 Rd8 24. Qe2 Rxd1+ 25. Qxd1 Qd6 26. Qxd6 Bxd6 27. Kf2
f5 28. Bb7 Nf8 29. Kf3 Be7 30. Bc8 h6 31. e4 fxe4+ 32. Kxe4 Bd6 33. f5 exf5+
34. Bxf5 Kg8 35. Bc8 Kf7 36. Kd5 Bc7 37. Kc6 Bd8 38. Kb7 g5 39. Kxa7 Ne6
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Carvalho, Willian"]
[Black "Cruz, Natan"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "34"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Be3 Nc6 5. Nf3 Qb6 6. b3 cxd4 7. Nxd4 Bc5 ({RR} 
7... Nxe5 8. f4 Nc6 9. Bb5 Bd7 10. O-O Bc5 11. Bxc6 Bxc6 12. Kh1 Nf6 13. Nc3
O-O 14. Nxc6 Bxe3 15. Ne5 Rac8 16. Ne2 Qc7 17. Qd3 Bxf4 18. Rxf4 Qxe5 19. Raf1
Ne4 20. c4 f5 21. cxd5 exd5 22. Qb5 {Hadzic,J-Piber,V (2020) Nova Gorica 1999
0-1}) 8. c3 Nxe5 9. Qh5 $146 ({RR} 9. Nb5 Bxe3 10. fxe3 Bd7 11. Qd4 Qxd4 12.
exd4 Bxb5 13. Bxb5+ Nc6 14. Nd2 Nf6 15. O-O O-O 16. Be2 Rac8 17. c4 Nxd4 18.
Bd3 dxc4 19. Nxc4 Rfd8 20. h3 b5 21. Ne5 a6 22. b4 Nc6 23. Nxc6 Rxc6 {Zanin,S 
(1001)-Alberola,R (1664) Europe-Echecs INT 2021 0-1 (59)}) 9... Nc6 10. Bb5 Bd7
11. b4 Bxd4 12. Bxd4 Nxd4 13. Bxd7+ Kxd7 14. Qxf7+ Ne7 15. O-O Nc2 16. Nd2 Nxa1
17. Rxa1 Rhf8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cavalcante, Rodrigo"]
[Black "Leite, Coraci"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "31"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. c4 Nb6 8. Qb3
d5 9. exd6 Qxd6 10. Be2 ({RR} 10. Be3 Bg7 11. c5 Qf6 12. Nc3 Nd7 13. Nd5 Qxb2
14. Qxb2 Bxb2 15. Rb1 Ba3 16. Nc7+ Kd8 17. Nxa8 Bxc5 18. Bxc5 Nxc5 19. Bc4 f6
20. O-O Bf5 21. Rb5 b6 22. Bd5 Kd7 23. Rd1 Rxa8 24. Nd4 Nxd4 {Galkin,A (2598)
-Savchenko,B (2484) chessassistantclub.com INT 2004 0-1 (48)}) ({RR} 10. Qc3
Qb4 11. Bd2 a5 12. Qxh8 {1-0 (12) Jakubowska,A (2139)-Liu,L (1907) chess.com
INT 2023}) 10... Bg7 11. O-O Na5 $146 ({RR} 11... O-O 12. Nc3 Qb4 13. Qc2 Bf5
14. Ne4 e5 15. a3 Qe7 16. Bg5 f6 17. Be3 Rfd8 18. Nh4 Bxe4 19. Qxe4 Nd4 20.
Rfe1 f5 21. Nxf5 gxf5 22. Qb1 Nb3 23. Qxf5 Nxa1 24. Rxa1 Qf7 25. Qe4 Rac8 26.
b3 {Golubovskis,M (2062)-Joubert,D (1567) chess.com INT 2020 1-0 (31)}) 12.
Qb5+ Nc6 13. c5 a6 14. Qxb6 Qe6 15. Re1 O-O 16. Nc3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cella, Glaucio"]
[Black "Bisesar, Maycon"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 Nbd7 6. Be3 e5 7. d5 a5 8. Nge2 ({
RR} 8. Bd3 Nc5 9. Bc2 h5 10. Qd2 h4 11. Nge2 Bd7 12. O-O-O Qb8 13. Kb1 a4 14.
Nc1 b6 15. Nd3 Qa7 16. Nb4 Qa5 17. a3 Nb3 18. Bxb3 axb3 19. Rc1 Ba4 20. Qd1 Nd7
21. Nxa4 Qxa4 22. Rc3 Nc5 {Knaak,R (2530)-Lenart,E (2280) Kecskemet 1985 1/2-1/
2 (41)}) ({RR} 8. Qd2 b6 9. Nge2 Ba6 10. Nb5 Bxb5 11. cxb5 Nc5 12. Nc3 Nfd7 13.
Bg5 f6 14. Bh6 Qe7 15. Be3 f5 16. Bd3 f4 17. Bf2 Rf8 18. Qc2 h6 19. Na4 g5 20.
Nxc5 Nxc5 21. Bxc5 dxc5 22. a3 g4 {Kozlova,O (1517)-Mesheryakova,A (1323)
Chelyabinsk RUS 2021 1-0 (33)}) 8... b6 9. g4 Nc5 $146 ({RR} 9... h5 10. g5 Nh7
11. Rg1 Nc5 12. Qd2 Nf8 13. Nc1 Nfd7 14. Nd3 Nxd3+ 15. Bxd3 O-O 16. O-O-O Kh7
17. Qg2 a4 18. Nb5 Ba6 19. Kb1 Rg8 20. Rdf1 Bxb5 21. cxb5 Qe7 22. Rf2 Raf8 23.
Bc2 a3 24. b4 {Gao,H (1726)-Xu Tong (2129) Harbin CHN 2019 0-1 (63)}) 10. Ng3
h5 11. g5 Nh7 12. h4 Bd7 13. Qc2 Rf8 14. O-O-O Qe7 15. Re1 O-O-O 16. a3 Kb8 17.
b4 Nb7 18. Qb3 Qe8 19. c5 dxc5 20. bxc5 c6 21. Qxb6 Ka8 22. Nb5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cilento, Lucas"]
[Black "Barbosa, Marcio Jordao"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6 5. d3 ({RR} 5. h4 h6 6. h5 g5 7. d4
exd4 8. Nxd4 Bg7 9. Be3 O-O 10. Qd2 d5 11. O-O-O dxe4 12. Nxe4 Nxd4 13. Bxd4
Qxd4 14. Qxd4 Bxd4 15. Rxd4 a6 16. Bc4 b5 17. Be2 Nf5 18. Rd2 Be6 19. a3 Rad8 {
Svidler,P (2672)-Rohde,M (2535) ICC INT 2000 1-0 (61)}) 5... Bg7 6. Bg5 ({RR} 
6. O-O O-O 7. Ne2 d6 8. Ng3 h6 9. c3 Qe8 10. Ba4 f5 11. exf5 Nxf5 12. Ne4 Qe7
13. Re1 Nh4 14. Bb3+ Kh8 15. Nxh4 Qxh4 16. Ng3 Bd7 17. Re4 Qf6 18. f3 Rae8 19.
Bd2 Ne7 20. Re1 d5 {Slavin,A (2364)-Torres Dominguez,D (1976) chess.com INT
2023 1-0 (33)}) 6... h6 7. Be3 Nd4 $146 ({RR} 7... O-O 8. Nd2 a6 9. Ba4 b5 10.
Bb3 Na5 11. a4 b4 12. Na2 Rb8 13. Ba7 Rb7 14. Bc5 Nac6 15. Bc4 d6 16. Be3 Rb8
17. Nb3 Kh7 18. Qd2 f5 19. f3 f4 20. Bf2 Qe8 21. a5 g5 22. h3 {Duras,O-Wolf,H
Coburg 1904 0-1 (55)}) 8. Ba4 c6 9. Ng1 d5 10. exd5 Nxd5 11. Bd2 O-O 12. Nge2
Bg4 13. f3 Qh4+ 14. Ng3 Nf5 15. Kf2 e4 16. Nxd5 cxd5 17. c3 exf3 18. gxf3 Bh5
19. d4 Bxd4+ 20. cxd4 Nxd4 21. Bc3 Nxf3 22. Bb3 d4 23. Bb4 Rfe8 24. Qd3 Re3 25.
Bxf7+ Kxf7 26. Qc4+ Kg7 27. Qc7+ Kh8 28. Kg2 Rae8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Paludo, Nicolas"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Nc3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. Bd2
Bd7 9. a3 Qc8 ({RR} 9... h5 10. Rb1 Qc8 11. Re1 Bh3 12. Bh1 a5 13. Nd5 Nxd5 14.
cxd5 Nd4 15. Bc3 Nxf3+ 16. Bxf3 b5 17. Bxg7 Kxg7 18. Qd2 b4 19. Rec1 Bg4 20.
Bg2 Qb7 21. Rc4 Rfb8 22. a4 Bd7 23. b3 f6 24. h4 {Tarini,G (2164)-Pogosian,M 
(2377) chess.com INT 2021 1/2-1/2 (51)}) 10. Qc2 $146 ({RR} 10. Re1 Bh3 11. Bh1
Qg4 12. Ng5 Qd7 13. Nxh3 Qxh3 14. Bg2 Qh5 15. h3 {1/2-1/2 (15) Martinez,R 
(2099)-Sanchez,J (2453) Genova 2004}) ({RR} 10. Qc1 Bh3 11. Bh6 Bxg2 12. Kxg2 {
1/2-1/2 (12) Dizdar,G (2505)-Hulak,K (2540) Portoroz 1987}) 10... Bh3 11. Rac1
Bxg2 12. Kxg2 a6 13. Rfe1 Re8 14. e4 Rb8 15. Nd5 e6 16. Nxf6+ Bxf6 17. Bc3 Bxc3
18. Qxc3 e5 19. Qd2 Kg7 20. h4 h5 21. Rf1 Rf8 22. Nh2 f5 23. f4 exf4 24. Rxf4
fxe4 25. dxe4 Qe6 26. Nf3 Rxf4 27. Qxf4 Qf6 28. Rd1 Rd8 29. e5 dxe5 30. Qxf6+
Kxf6 31. Rxd8 Nxd8 32. Nd2 Kf5 33. Kf3 Nc6 34. Ne4 b6 35. Ke3 Nd4 36. Nf2 b5
37. Nd3 Ne6 38. b3 bxc4 39. bxc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Custodio, Leandro"]
[Black "Silva, Lucas Henrique"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. c4 c5 6. Be2 Nc6 7. O-O b6 8. d4
cxd4 9. exd4 d5 10. Ne5 Bb7 11. Nxc6 ({RR} 11. f4 Ne4 12. Nd2 Nxd2 13. Qxd2 Rc8
14. Rac1 Qd6 15. c5 Qd8 16. cxb6 axb6 17. Bb5 Na7 18. Bd3 f6 19. Nf3 Qd6 20.
Rfe1 Rxc1 21. Bxc1 Rc8 22. Bb2 Bh6 23. g3 Nc6 24. a3 Na5 25. Bc2 Ba6 {
Bondarenko,S (1633)-Lozynskyi,B (2121) Lviv UKR 2023 1-0 (54)}) 11... Bxc6 12.
Bf3 Rc8 13. Nd2 $146 ({RR} 13. c5 bxc5 14. dxc5 Bb5 15. Re1 Rxc5 16. Na3 Ba6
17. b4 Rc7 18. Be5 Rd7 19. Qa4 Bc8 20. Nb5 {1/2-1/2 (20) Garcia,C-Trujillo
Villega,P (2176) San Carlos 2012}) 13... dxc4 14. bxc4 e6 15. Rc1 Qd7 16. Qe2
Rfd8 17. Rfd1 Bxf3 18. Qxf3 Ne8 19. Nf1 Nd6 20. Qb3 b5 21. c5 Nf5 22. d5 exd5
23. Bxg7 Kxg7 24. g4 Ne7 25. Qg3 Nc6 26. Rd3 d4 27. f4 Qd5 28. Qh4 h6 29. Rh3
Rh8 30. Ng3 d3 31. f5 d2 32. Nh5+ gxh5 33. Rd1 Qxc5+ 34. Kg2 Qd5+ 35. Kf2 Qd4+
36. Kf1 hxg4 37. Rg3 Qf4+ 38. Kg2 h5 39. h3 Ne5 40. Qe7 Qe4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Cymbalista, Eduardo"]
[Black "Rodrigues, Julliano"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. Nf1 Ne7 ({RR} 
7... h6 8. Ng3 a6 9. O-O Na5 10. b4 Nxc4 11. bxc5 Na5 12. d4 exd4 13. cxd4 dxc5
14. Ba3 Re8 15. Qa4 b6 16. dxc5 Qd7 17. Qb4 Bb7 18. e5 Nd5 19. Qh4 Qe6 20. Rfe1
Ne7 21. cxb6 cxb6 22. Bxe7 {Sebag,M (2417)-Karpov,A (2674) Bordeaux 2005 1/2-1/
2 (59)}) 8. Ng3 Ng6 9. O-O c6 ({RR} 9... Bb6 10. Re1 c6 11. Bb3 h6 12. h3 d5
13. exd5 Nxd5 14. Bc4 Be6 15. Qc2 Qd6 16. a4 a5 17. b3 Rfe8 18. Ba3 Qb8 19. Ne4
Bc7 20. d4 b5 21. Bf1 Ndf4 22. Nc5 Bd5 23. Nd7 Qd8 24. Ndxe5 {Schippke,M (1963)
-Rojickova,M (2090) Mali Losinj CRO 2023 1-0 (50)}) 10. Bg5 $146 ({RR} 10. d4
Bb6 11. Bb3 Bc7 12. h3 Nf4 13. Be3 b5 14. Kh2 Re8 15. Qd2 Ng6 16. Bc2 d5 17.
Bg5 h6 18. Bxf6 Qxf6 19. Kg1 Nf4 20. Qe3 Kh8 21. exd5 Nxd5 22. Qe4 g6 23. dxe5
Qg7 24. Rfe1 Bb7 {Bardera Gil,S (2048)-Sanz Arenas,O (1827) Catalunya 2008 1-0
(37)}) 10... h6 11. Be3 Bb6 12. h3 Bc7 13. d4 Nxe4 14. Nxe4 d5 15. Bb3 dxe4 16.
Nxe5 Nxe5 17. dxe5 Bxe5 18. Qh5 Qe7 19. Qg6 Kh8 20. Qh5 b6 21. f3 Ba6 22. Rf2
Bg3 23. Rd2 exf3 24. Qxf3 Bd6 25. Rad1 Rad8 26. Bf4 Bc5+ 27. Kh2 Be2 28. Rxe2
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Damasceno, Enzo"]
[Black "Araujo, Everson"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. a3
d6 9. Rb1 a5 10. Ne1 Be6 11. Bg5 f6 12. Be3 Qd7 13. Nc2 Bh3 14. b4 Bxg2 15.
Kxg2 axb4 16. axb4 b6 17. bxc5 $146 ({RR} 17. Bd2 f5 18. Bg5 Nc8 19. Bd2 h5 20.
b5 N6e7 21. Ra1 Rb8 22. Ne1 f4 23. Nf3 Nf5 24. Ra6 Nce7 25. Qa4 Nd4 26. Nxd4
exd4 27. Ne4 d5 28. cxd5 Nxd5 29. Ra7 Rb7 30. Ra1 Rxa7 31. Qxa7 Qxa7 {Asendorf,
J (2328)-Cmilyte,V (2480) Hamburg 2005 1-0 (44)}) ({RR} 17. Qd2 Nd4 18. bxc5
bxc5 19. Nb5 f5 20. Ncxd4 cxd4 21. Bg5 Nc6 22. f3 f4 23. g4 Rfb8 24. Ra1 h6 25.
Bh4 g5 26. Bf2 h5 27. h3 hxg4 28. hxg4 Kf7 29. Ra2 Kg6 30. Rfa1 Rxa2 31. Qxa2
Bf6 {Ilkhomi,J (2222)-Sodbilegt,N (2131) Al Ain UAE 2023 1/2-1/2 (36)}) 17...
bxc5 18. Qd2 f5 19. Bh6 f4 20. Bxg7 Kxg7 21. f3 h5 22. Rb2 Rab8 23. Rxb8 Nxb8
24. e3 g5 25. Ne4 Kh6 26. d4 exd4 27. exd4 Nf5 28. dxc5 dxc5 29. Qxd7 Nxd7 30.
Rd1 Ne5 31. Rd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Dobuchak, Thiago"]
[Black "Nunes Jr, Sidney"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "125"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8.
Nxe5 Bg7 9. Bb5 O-O 10. Nxc6 bxc6 11. Bxc6 Bd7 12. O-O Bxc6 13. Qxc6 Rc8 ({RR} 
13... Rb8 14. Rd1 Qa5 15. Qa4 Qf5 16. h3 Rfc8 17. a3 a5 18. Rd3 Rb7 19. Be3
Rxb2 20. Rad1 Rbb8 21. Nd5 Bf8 22. c4 Ne4 23. Nb6 Re8 24. Rd5 Qe6 25. Qxa5 Bg7
26. R5d3 Be5 27. Qd5 Bc7 28. Qxe6 {Jandric,D (2104)-Remolar Gallen,J (2290)
Vrnjacka Banja SRB 2023 1-0 (55)}) 14. Qf3 Qb6 15. a4 Rfd8 $146 ({RR} 15... Nd7
16. a5 Qd6 17. Bf4 e5 18. Rfd1 Qb8 19. Rxd7 Qxb2 20. Rb1 Qxc2 21. Rc1 Qf5 22.
Rcd1 Qxf4 23. Qxf4 exf4 24. Nd5 Rc2 25. Ne7+ Kh8 26. h3 a6 27. Ra7 Re2 28. Nc6
Bc3 29. Rxa6 Be1 30. Rd8 {Lehaci,M (1914)-Guillo Longares,C (1811) Mamaia 2017
1/2-1/2 (57)}) 16. Ra3 Qa5 17. Rb3 Ne8 18. Rb5 Qa6 19. Qb7 Qxb7 20. Rxb7 Bxc3
21. bxc3 Rc7 22. Rxc7 Nxc7 23. Be3 a6 24. Rb1 Ne6 25. Kf1 Rc8 26. Bd2 Nc5 27.
Rb4 f5 28. f3 Kf7 29. Ke2 Ke6 30. Be3 Nd7 31. Kd2 Rc6 32. c4 a5 33. Rb5 Ne5 34.
c5 Nc4+ 35. Kd3 Kd5 36. Bg1 e5 37. Rb8 e4+ 38. fxe4+ fxe4+ 39. Kc3 e3 40. Rd8+
Kxc5 41. Rd4 Nb6 42. Bxe3 Nd5+ 43. Kd3 Nxe3 44. Kxe3 Rb6 45. Kd3 Rb4 46. c3 Rb1
47. Rc4+ Kd5 48. Rg4 Kc6 49. Rg5 Kb6 50. Kc4 Ra1 51. Kb3 Rb1+ 52. Ka2 Rf1 53.
Kb2 Rf2+ 54. Kb3 Rf1 55. Rb5+ Ka6 56. c4 Rb1+ 57. Kc2 Rf1 58. c5 Rf2+ 59. Kb3
Rxg2 60. c6 Rg1 61. Kc4 Rd1 62. Kc5 g5 63. c7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Farias, Sergio Luiz"]
[Black "Oliveira, Tobias Luiz"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 g6 4. Ng5 e6 5. Nf3 ({RR} 5. d3 Bg7 6. Qf3 Ne5 7.
Qe3 Nxc4 8. dxc4 f6 9. Nf3 Bh6 10. Qxc5 Bxc1 11. O-O Bxb2 12. Nbd2 Bxa1 13.
Rxa1 Qb6 14. Qa3 d6 15. Qc3 Kf7 16. Ng5+ Kg7 17. Nb3 h6 18. Nf3 Ne7 19. a4 Bd7
{dos Santos,E (1560)-Algabri,A Chennai IND 2022 0-1 (38)}) 5... Bg7 ({RR} 5...
d5 6. Bb5 a6 7. Bxc6+ bxc6 8. exd5 cxd5 9. d4 Bg7 10. dxc5 Ne7 11. Nc3 O-O 12.
Be3 Bb7 13. O-O e5 14. Bg5 d4 15. Bxe7 Qxe7 16. Ne4 Bxe4 17. Re1 Bc6 18. c3
Qxc5 19. cxd4 exd4 20. Rc1 {chessmaster512 (1938)-Caetano,H (2454) lichess.org
2020 0-1 (49)}) 6. O-O Nge7 $146 ({RR} 6... Nf6 7. d3 O-O 8. Bg5 d5 9. Bxf6
Bxf6 10. exd5 exd5 11. Bb5 Bxb2 12. Bxc6 bxc6 13. Nbd2 Bxa1 14. Qxa1 d4 15. c3
Bg4 16. cxd4 Bxf3 17. Nxf3 cxd4 18. Nxd4 Qf6 19. Qc3 Rfe8 20. Qb4 Rab8 21. Qc5
{Haasbroek,J-Kudlicka,M Rijswijk 2015 0-1}) 7. Nc3 O-O 8. a3 d5 9. exd5 exd5
10. Be2 c4 11. d4 cxd3 12. Bxd3 d4 13. Ne2 Bf5 14. Bc4 a6 15. Ng3 Bg4 16. h3
Bxf3 17. Qxf3 Ne5 18. Qe2 b5 19. Ba2 Re8 20. Bg5 Qd7 21. Rad1 Nf5 22. Qd2 Nxg3
23. fxg3 Rac8 24. Bf6 Bxf6 25. Rxf6 Nc6 26. Rxf7 Qxf7 27. Bxf7+ Kxf7 28. Rf1+
Kg7 29. Qg5 Ne5 30. Qf6+ Kg8 31. Qxa6 Rxc2 32. Qxb5 Rc1 33. Qd5+ Kh8 34. Qxd4
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Federzoni, Enzo"]
[Black "Passos, Rafael Moreira"]
[Result "1-0"]
[ECO "B82"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nb3 d6 8. Be3
Nf6 9. Bd3 Be7 10. Qf3 Nd7 ({RR} 10... Nb4 11. O-O O-O 12. a3 Nxd3 13. cxd3 Bd7
14. Rac1 Bc6 15. Nd4 Qd7 16. Qh3 Bd8 17. Rce1 b5 18. f5 e5 19. Nxc6 Qxc6 20. g4
d5 21. g5 d4 22. gxf6 Bxf6 23. Nd5 dxe3 24. Rxe3 Rfd8 25. Rg3 {Leskur,D (2466)
-Paunovic,D (2467) Novi Sad 2000 1/2-1/2 (45)}) ({RR} 10... Bd7 11. O-O-O O-O
12. g4 b5 13. g5 Ne8 14. Kb1 g6 15. h4 f5 16. h5 Rf7 17. hxg6 hxg6 18. Qh3 Rg7
19. Qh8+ Kf7 20. exf5 exf5 21. Nd5 Qb7 22. Nxe7 Kxe7 23. Rde1 Kf7 24. Bd2 Nf6
25. Qxg7+ {Kozin,Y (2251)-Shapiro,D (2284) chess.com INT 2023 1-0 (35)}) 11.
O-O b6 $146 ({RR} 11... b5 12. Rae1 Bb7 13. Qg3 b4 14. Nd5 exd5 15. exd5 Nce5
16. fxe5 Nxe5 17. Qxg7 O-O-O 18. Be4 Rhg8 19. Qh6 Qc4 20. Qh3+ Kb8 21. Na5 Qxa2
22. Ra1 Qxb2 23. Rfb1 Qc3 24. Ba7+ Kxa7 25. Qxc3 bxc3 26. Rxb7+ {Rocha,
A-Asfora,M Recife 1970 1-0 (31)}) 12. f5 Nce5 13. Qg3 Bf6 14. fxe6 fxe6 15. Nd4
Nc5 16. Bg5 Bxg5 17. Qxg5 Qe7 18. Qh5+ g6 19. Qe2 Bb7 20. Bc4 Nxc4 21. Qxc4 Kd7
22. b4 Nxe4 23. Na4 Nd2 24. Nxb6+ Ke8 25. Qe2 Nxf1 26. Nxa8 Ne3 27. Qxe3 Bxa8
28. Nxe6 Kd7 29. Qa7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Felicio, Leonardo"]
[Black "Ferreira, Andrei"]
[Result "1/2-1/2"]
[ECO "E20"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. cxd5 exd5 7. e4 dxe4 8.
fxe4 O-O 9. Nf3 b6 10. Bd3 Bb7 $146 ({RR} 10... Ba6 11. O-O Bxd3 12. Qxd3 h6
13. e5 Nd5 14. Qe4 c6 15. Qg4 Qd7 16. Qg3 Qe6 17. Nxd5 cxd5 18. Ne1 Nd7 19. Nd3
Kh8 20. Nf4 Qc6 21. e6 Nf6 22. exf7 Rxf7 23. Qg6 Raf8 24. Be3 Qd6 25. Qf5 {
Boffa,M (1900)-Peron,D (1724) Bratto 2006 1/2-1/2 (34)}) 11. O-O a6 12. Bg5 h6
13. Bh4 Nbd7 14. Rc1 Ng4 15. Bxe7 Qxe7 16. Qe2 c5 17. h3 cxd4 18. Nd5 Bxd5 19.
Nxd4 Qe5 20. Nf3 Qd6 21. hxg4 Be6 22. e5 Qe7 23. Qe4 f5 24. gxf5 Bxf5 25. Qd5+
Be6 26. Qe4 Bf5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Fernandes, Pedro G"]
[Black "Fedrizzi, Roberto"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. Nc3 Nc6 7. e3 d6 8. d4
Bf5 9. b3 Qc8 ({RR} 9... Ne4 10. Bb2 Nxc3 11. Bxc3 Be4 12. Rc1 a5 13. Re1 a4
14. bxa4 b6 15. d5 Nb4 16. Bxb4 Bxf3 17. Bxf3 cxb4 18. Qb3 Bc3 19. Rf1 Qd7 20.
Bd1 Qa7 21. a3 Qa5 22. axb4 Bxb4 23. h4 h5 24. Kg2 {Saric,I (2695)-Kovalenko,I
(2674) chess.com INT 2022 0-1 (52)}) ({RR} 9... Ne4 10. Na4 Qd7 11. Bb2 Rad8
12. Nh4 h5 13. Nxf5 Qxf5 14. Qb1 Nd2 15. Qxf5 gxf5 16. Rfd1 Ne4 17. h4 Kh7 18.
Bf3 Kg6 19. dxc5 Bxb2 20. Nxb2 Nxc5 21. Kg2 Ne5 22. b4 Ne4 23. Rac1 b6 24. Nd3
{Liu Dede (2297)-Shen,R (1755) Penang MAS 2023 1/2-1/2 (50)}) 10. Bb2 Nb4 $146
({RR} 10... Ne4 11. Rc1 Nxc3 12. Bxc3 Be4 13. d5 Bxc3 14. Rxc3 Nd8 15. Nd2 Bxg2
16. Kxg2 f5 17. f4 e6 18. e4 exd5 19. cxd5 Nf7 20. Re1 Re8 21. Rce3 Qd7 22. Qf3
Rad8 23. a4 b6 24. exf5 Rxe3 25. Rxe3 {Botvinnik,M-Najdorf,M Amsterdam 1954
1-0 (41)}) 11. Qd2 Ne4 12. Nxe4 Bxe4 13. a3 Na6 14. dxc5 Bxb2 15. Qxb2 Nxc5 16.
b4 Ne6 17. Rac1 b6 18. Nd4 Bxg2 19. Nxe6 Qxe6 20. Kxg2 Rac8 21. Qd4 Rfd8 22. e4
Rd7 23. Rc2 Rdc7 24. Rfc1 f5 25. exf5 Qxf5 26. g4 Qf7 27. f4 Rf8 28. Qd5 Qxd5+
29. cxd5 Rxc2+ 30. Rxc2 Rxf4 31. Rc7 Rxg4+ 32. Kf3 Rd4 33. Rxe7 a5 34. Rb7 axb4
35. axb4 Rxb4 36. Rd7 Rd4 37. Rxd6 b5 38. Rd7 b4 39. Rb7 Rxd5 40. Rxb4 Kg7
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Ferreira, Thales"]
[Black "Azevedo Jr, Joao"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. Bg5 Na6
9. Nd2 ({RR} 9. a3 Qe8 10. b4 Nxe4 11. Nxe4 f5 12. Ng3 f4 13. Ne4 h6 14. Bh4
Bf5 15. Nfd2 g5 16. Bg4 Qd7 17. Bxf5 Qxf5 18. Qh5 axb4 19. g4 fxg3 20. Bxg3 Nc5
21. Qe2 h5 22. h4 g4 23. O-O bxa3 {Uber Gracia,H (2104)-Herman Gamazo,I (1834)
Barcelona ESP 2023 0-1 (54)}) 9... c6 ({RR} 9... Qd7 10. a3 Ne8 11. f3 f5 12.
b4 Nf6 13. Be3 Nh5 14. c5 Nf4 15. O-O Qe7 16. Kh1 Qg5 17. g3 Qe7 18. Bxa6 Rxa6
19. b5 Ra8 20. b6 Nh3 21. Nc4 f4 22. Bc1 fxg3 23. hxg3 Nf4 24. Ra2 {Brunner,L 
(2535)-Xie,J (2555) Shanghai 1995 0-1 (52)}) 10. O-O Qc7 11. a3 $146 ({RR} 11.
Rc1 Nc5 12. b3 h6 13. Be3 Nfd7 14. a3 f5 15. f3 f4 16. Bf2 Nf6 17. b4 axb4 18.
axb4 Ncd7 19. dxc6 bxc6 20. b5 Nc5 21. Nb3 Nxb3 22. Qxb3 Be6 23. b6 Qb7 24.
Rfd1 Rfd8 25. Qb4 c5 {Zemerov,V (2268)-Avramidou,A (2238) chess.com INT 2020
1-0 (60)}) 11... Ne8 12. Be3 f5 13. f3 f4 14. Bf2 Qe7 15. Na4 g5 16. Nb6 Rb8
17. Qa4 Bd7 18. Nxd7 Qxd7 19. Qxa5 Ra8 20. Qc3 c5 21. b4 Rc8 22. Nb3 h5 23.
bxc5 dxc5 24. Qa5 Rf6 25. Qb5 Qf7 26. Nxc5 Nd6 27. Qa5 b6 28. Qxa6 bxc5 29.
Rfb1 Bf8 30. Rb6 Rc7 31. Rc6 Ra7 32. Qb6 Rb7 33. Qd8 Rd7 34. Qa5 Nb7 35. Qc3
Rdd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Fier, Alexandr"]
[Black "Lima, Darcy Gustavo"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 Bxc3 5. dxc3 d6 6. Bg5 ({RR} 6. O-O Nbd7
7. Re1 O-O 8. a4 Nc5 9. Nd2 a5 10. Qf3 Bg4 11. Qg3 Be6 12. Bf1 Nh5 13. Qf3 Nf4
14. Nc4 f5 15. exf5 Rxf5 16. Ne3 Nxg2 17. Nxf5 Nxe1 18. Qe2 Bxf5 19. Qxe1 Qf6
20. Bg2 Qg6 {Polgar,J (2630)-Ivanchuk,V (2710) Monte Carlo 1994 0-1}) 6... h6 (
{RR} 6... Nbd7 7. O-O h6 8. Be3 O-O 9. Bd3 Re8 10. c4 Nc5 11. Bxc5 dxc5 12. h3
Nh7 13. Qd2 Qf6 14. Qe3 b6 15. a3 a5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 cxb4
19. c5 bxc5 20. Qxc5 Bxh3 21. Qxc7 {Szente Varga,F (2015)-Krzywda,A (2210)
chess.com INT 2023 1/2-1/2 (57)}) 7. Bh4 Be6 8. Bd3 $146 ({RR} 8. Qd3 Nbd7 9.
O-O-O Nc5 10. Qe2 Qe7 11. Bxf6 Qxf6 12. Bxe6 Qxe6 13. Kb1 O-O-O 14. Nh4 g6 15.
Rhe1 Rhe8 16. Qe3 h5 17. Nf3 Qc4 18. b3 Qb5 19. Ka1 a5 20. h4 b6 21. Rd5 Kb7
22. Red1 Ra8 {Yilmaz,E (1876)-Ayazmali,G (1578) Kemer 2012 1-0 (55)}) 8... Nbd7
9. Nd2 g5 10. Bg3 Qe7 11. c4 a5 12. h4 Qf8 13. Nf1 Nc5 14. Qf3 Qg7 15. Qe3 Nh5
16. Qd2 b6 17. O-O-O O-O-O 18. hxg5 hxg5 19. f3 Nxg3 20. Nxg3 g4 21. Rhg1 gxf3
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Fonseca, Rogerio"]
[Black "Silva, Joao Fernandes"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. e4 Nxe4 ({RR} 2... g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 c5 7.
d4 Nc6 8. dxc5 dxc5 9. Be3 Be6 {1/2-1/2 (9) Ibragimov,I (2590)-Smirin,I (2590)
Vienna 1998}) 3. Nc3 ({RR} 3. d4 d5 4. Bd3 Bf5 5. O-O e6 6. Re1 Nd7 7. Nbd2
Nxd2 8. Bxf5 Nxf3+ 9. Qxf3 Be7 10. Bd3 Nf6 11. c3 h6 12. Bf4 Bd6 13. Be5 Bxe5
14. dxe5 Nd7 15. Qg4 Qg5 16. Qb4 b6 17. f4 Qe7 {Lopez Mulet,I (2404)-Ai,E 
(2055) chess.com INT 2023 0-1 (83)}) 3... Nxc3 4. dxc3 Nc6 $146 ({RR} 4... d5
5. c4 dxc4 6. Qxd8+ Kxd8 7. Bxc4 e6 8. Ne5 Ke8 9. O-O Bd6 10. Bf4 Nd7 11. Nxd7
Bxd7 12. Bxd6 cxd6 13. Rfd1 Ke7 14. Rd2 a5 15. Rad1 d5 16. Bxd5 exd5 17. Rxd5
Be6 18. Rb5 Rhd8 19. Rxd8 {Dignum,O-Monjac,M (1930) Rijeka 2010 0-1 (34)}) 5.
Bc4 e6 6. Bg5 Be7 7. h4 a6 8. Bxe7 Nxe7 9. h5 b5 10. Qd4 Nf5 11. Qe4 d5 12.
Bxd5 Qxd5 13. Qxd5 exd5 14. O-O-O Be6 15. Nd4 Nxd4 16. cxd4 O-O 17. h6 a5 18.
Rd3 Bf5 19. Rc3 Rfc8 20. Rc5 c6 21. b3 Ra7 22. f3 a4 23. Kb2 axb3 24. cxb3 Re7
25. Rh5 g6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Franca Jr, Jairo"]
[Black "Nascimento, Christian"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nh6 7. Nc3 O-O 8.
Be2 d6 ({RR} 8... f5 9. Nxc6 dxc6 10. Qc1 Ng4 11. Bxg4 fxg4 12. Bh6 Qd4 13. O-O
Qxc4 14. Bxg7 Kxg7 15. Qg5 Qe6 16. a4 h6 17. Qe3 Qe5 18. b4 Be6 19. Rac1 Bc4
20. Rfd1 Rfd8 21. Ne2 a5 22. Nd4 Bg8 23. f4 {Blesic,V (2264)-Gholami,A (2504)
Ayvalik TUR 2023 0-1 (98)}) 9. O-O f5 10. h3 $146 ({RR} 10. Nxc6 bxc6 11. Qd2
Nf7 12. exf5 gxf5 13. f4 Qa5 14. Bf3 Bd7 15. a3 Rab8 16. b4 Qc7 17. Rad1 Be6
18. Be2 a5 19. Rf3 axb4 20. axb4 Rxb4 21. Rg3 Bxc4 22. Bxc4 Rxc4 23. Qd3 Rb4
24. Qxf5 Nh6 {Konnyu,J (2352)-Thanner,D (2002) Ranshofen 2012 1-0 (38)}) 10...
f4 11. Nxc6 bxc6 12. Bd2 e5 13. Be1 Be6 14. b3 Qe7 15. Rc1 Rad8 16. Bf3 Nf7 17.
Bg4 Ng5 18. Bxe6+ Qxe6 19. Qg4 Qf6 20. h4 Ne6 21. Ne2 h5 22. Qh3 Bh6 23. f3 Rf7
24. Rc3 Rg7 25. Kh1 Kh8 26. Rd3 g5 27. hxg5 Nxg5 28. Qxh5 Rdg8 29. Bh4 Rh7 30.
Kg1 Nh3+ 31. Kh2 Bg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Franco Filho, Sinvaldo"]
[Black "Costa, Kerginaldo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bb5+ Bd7 7. Bd3 ({RR} 7.
Bxd7+ Nbxd7 8. O-O Be7 9. Qe2 cxd4 10. cxd4 O-O 11. Nc3 Qd6 12. Bg5 Rac8 13.
Rad1 Rfe8 14. Rfe1 h6 15. Bh4 Nd5 16. Bg3 Nxc3 17. bxc3 Qd5 18. Qb2 Nb6 19. Rb1
Qa5 20. Be5 Bf8 21. Qe2 Qxc3 {Marjanov,Z (2260)-Bogdanovski,V (2440) Banja
Vrucica 1991 0-1 (56)}) ({RR} 7. Bxd7+ Nbxd7 8. O-O cxd4 9. cxd4 Be7 10. Nc3
Qd6 11. Ne5 O-O 12. Bf4 Qb4 13. Nxd7 Nxd7 14. Qf3 Nf6 15. Be5 Rfd8 16. Qg3 g6
17. Qh4 Nd5 18. Nxd5 Rxd5 19. Qh6 Bf8 20. Qh4 Bg7 21. f4 Bxe5 {Martello,B 
(1685)-Mussanti,D (2303) Montevideo URU 2023 0-1 (53)}) 7... Nc6 $146 ({RR} 
7... c4 8. Bc2 Bc6 9. O-O Nbd7 10. Nbd2 g5 11. b3 b5 12. bxc4 bxc4 13. Ba4 Rc8
14. Re1 h6 15. Rb1 Bd6 16. Bxc6 Qxc6 17. Ne5 Qa6 18. Nxd7 Nxd7 19. Qh5 Ke7 20.
Ne4 Nf6 21. Bxg5 hxg5 22. Qxg5 {Bango,L (2178)-Giertli,V (2024) Banska
Stiavnica 2015 1-0 (53)}) 8. Na3 Be7 9. Bf4 O-O 10. Nb5 Rac8 11. c4 Qh5 12. O-O
cxd4 13. Nbxd4 Rfd8 14. Ne2 Nb4 15. Ng3 Qa5 16. Bd2 Qa6 17. Bxb4 Bxb4 18. Qb3
Bc5 19. a4 Qd6 20. Rad1 Qc7 21. Ne4 Be7 22. h3 Bc6 23. Nxf6+ Bxf6 24. Bb1 g6
25. Nh2 h5 26. Qc2 Qa5 27. b3 Qg5 28. g3 Bd4 29. Rxd4 Rxd4 30. Qc3 Qd2 31. Qa1
a5 32. Bc2 Rcd8 33. Bxg6 fxg6 34. Qa3 Qb4 35. Qc1 Qe7 36. Qh6 Qg7 37. Qg5 e5
38. Re1 Rd1 39. Kf1 Bg2+ 40. Kxg2 Rxe1 41. Nf3 Red1 42. Nxe5 Kh7 43. Nf3 b6 44.
Qb5 Qb7 45. c5 R8d5 46. Kh2 Rxc5 47. Ng5+ Rxg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Freitas, Filipe"]
[Black "Viana, Paulo Vitor"]
[Result "0-1"]
[ECO "C48"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bxd4 ({
RR} 7... a6 8. dxe5 axb5 9. Bg5 h6 10. Bxf6 gxf6 11. Qg4+ Kh8 12. Qh5 Kh7 13.
Qf5+ Kh8 14. Qh5 Kh7 15. Qf5+ Kh8 16. Qh5 {1/2-1/2 (16) Wei,Y (2753)-Bu,X 
(2710) Huocheng County 2017}) ({RR} 7... d5 8. dxc5 Nxe4 9. Nxe4 dxe4 10. Qxd8
Rxd8 11. Bf4 c6 12. Bxe5 cxb5 13. Bc7 Re8 14. Rad1 Be6 15. Rfe1 Rac8 16. Bd6
Bd7 17. Bf4 Bc6 18. h3 f6 19. Rd6 Kf7 20. Be3 Kg6 21. g4 h5 22. g5 {Abhishek,D
(2258)-Zanan,E (2486) Monsaraz POR 2023 1/2-1/2 (33)}) 8. Qxd4 d6 9. Qd1 $146 (
{RR} 9. Re1 c6 10. Bf1 c5 11. Qd2 Bh3 12. f4 Bxg2 13. Qxg2 Neg4 14. Be2 h5 15.
h3 d5 16. hxg4 dxe4 17. Rd1 Qb6 18. g5 c4+ 19. Kf1 Ng4 20. Nd5 Qc5 21. Bxg4
hxg4 22. Be3 Qb4 {1-0 (22) Voloshynskyi,L (2118)-Byrd Zuniga,H Tornelo INT 2021
}) 9... h6 10. Be3 Bd7 11. Be2 a6 12. Qd2 Bb5 13. a4 Bxe2 14. Qxe2 Re8 15. Rad1
Ng6 16. Qf3 Qd7 17. Rfe1 Re6 18. e5 Nxe5 19. Qxb7 Qc6 20. Qxc6 Nxc6 21. Nd5
Nxd5 22. Rxd5 Rae8 23. c3 Re5 24. Rdd1 f5 25. Kf1 Kh7 26. b4 g5 27. Bd2 Kg6 28.
c4 Nd4 29. Rxe5 dxe5 30. Bc3 Rd8 31. b5 axb5 32. cxb5 f4 33. a5 Rd5 34. b6 cxb6
35. a6 Rd7 36. Ra1 Ra7 37. Ra2 Kf5 38. Bb4 Ke6 39. Bf8 h5 40. h3 Nc6 41. Bh6
Nb8 42. Bxg5 Rxa6 43. Rb2 Nc6 44. f3 Nd4 45. Rb1 b5 46. Re1 Kf5 47. h4 b4 48.
Bh6 b3 49. Bg7 Ra5 50. Bf8 b2 51. Kf2 Ra1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Freitas, Mauricio"]
[Black "Silva, Afranio Marcio"]
[Result "1-0"]
[ECO "E15"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. Nf3 e6 2. g3 Nf6 3. Bg2 d5 4. O-O b6 5. d4 Bb7 6. c4 Bd6 7. Nc3 c6 ({RR} 
7... O-O 8. Nd2 Be7 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Nc6 12. Be3 h6 13. a3
Na5 14. Qc2 f5 15. Nd2 Bxg2 16. Kxg2 Bf6 17. Nf3 Qd7 18. Rad1 Qc6 19. b3 Rad8
20. Qd3 Rfe8 21. Rfe1 e5 22. Qxf5 {Melkumyan,H (2519)-Bachmann,A (2562) ICC
INT 2009 1/2-1/2 (81)}) ({RR} 7... O-O 8. cxd5 exd5 9. Nb5 Be7 10. Bf4 Na6 11.
Rc1 c6 12. Nc3 Nc7 13. Qc2 Ne6 14. Be5 Bd6 15. Rfd1 Rc8 16. h4 h6 17. Qf5 Be7
18. a3 Re8 19. b4 Ba6 20. Qc2 Bc4 21. Bh3 b5 22. Rb1 {Johannsson,B (2171)
-Finnsson,J (1874) Reykjavik ISL 2023 0-1 (57)}) 8. cxd5 Nxd5 $146 ({RR} 8...
exd5 9. Re1 O-O 10. Bg5 Nbd7 11. e4 dxe4 12. Nxe4 Be7 13. Nxf6+ Nxf6 14. Ne5
Rc8 15. Ng4 h6 16. Rxe7 Qxe7 17. Bxf6 Qe6 18. Bh3 Kh8 19. Qd2 Kh7 20. Re1 {
1-0 (20) Werbeck,T (2226)-Tonoli,B (2079) Gent 2004}) 9. Nxd5 cxd5 10. Qb3 h6
11. Bd2 O-O 12. Rfc1 Nd7 13. Bb4 Qe7 14. Rc7 f6 15. Bxd6 Qxd6 16. Rxb7 Qc6 17.
Rxd7 Qxd7 18. Bh3 g5 19. e4 Rfe8 20. Re1 Kf7 21. Bg4 Re7 22. exd5 Rae8 23. Bh5+
Kf8 24. Bxe8 Rxe8 25. Rxe6 Rxe6 26. dxe6 Qc6 27. d5 Qc5 28. Qa3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Gauche, Charles"]
[Black "Filgueiras, Nathan"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. d3 c5
9. e3 Qc7 10. Qe2 Nbd7 11. Nbd2 Rad8 ({RR} 11... Rfe8 12. Rac1 Rad8 13. Rfd1
Qb8 14. e4 dxe4 15. dxe4 e5 16. Ne1 Nf8 17. Bh3 Bd6 18. f3 Ne6 19. Nc2 Nd4 20.
Qf1 Bf8 21. Ne3 g6 22. Nb1 h5 23. Nc3 Bh6 24. Re1 Qc7 25. Rcd1 Kg7 26. Qf2 {
Miles,A (2609)-Bruzon Batista,L (2488) Havana 1999 1/2-1/2 (32)}) 12. Rac1 ({RR
} 12. e4 d4 13. e5 Ne8 14. h4 g6 15. Rae1 Ng7 16. Bc1 Rde8 17. Ne4 Bxe4 18.
Qxe4 f5 19. exf6 Nxf6 20. Qe2 Bd6 21. Ng5 Re7 22. Bh3 Rfe8 23. Qf3 Nf5 24. Ne4
Nxe4 25. Rxe4 Rf7 26. Qg4 Ng7 {Zielonka,A (2052)-Dixa,O (2086) Ustron POL 2023
1-0 (108)}) 12... Qb8 13. Rfe1 $146 ({RR} 13. Ne1 Ne8 14. cxd5 exd5 15. d4 Nc7
16. Nd3 cxd4 17. Bxd4 Ne6 18. Nf4 Nxd4 19. exd4 Rfe8 20. Qd3 Nf6 21. Rfe1 Ba3
22. Rxe8+ Rxe8 23. Rd1 g6 24. Nf1 Bd6 25. Ne2 Ne4 26. Nc3 Qd8 27. Nxe4 dxe4 {
Gutman,L (2470)-Bischoff,K (2525) Bad Endbach 1995 0-1 (61)}) 13... Rfe8 14. h3
h6 15. e4 dxe4 16. dxe4 e5 17. Nh4 g6 18. Qe3 Nh7 19. Nhf3 h5 20. Nb1 Bf6 21.
Nc3 Ndf8 22. Nd5 Bg7 23. h4 Ne6 24. a3 Nd4 25. Nxd4 cxd4 26. Qd2 Bc8 27. b4 Be6
28. Ba1 b5 29. c5 f5 30. c6 Qd6 31. Rc5 Nf6 32. Nxf6+ Bxf6 33. f4 fxe4 34. Bxe4
exf4 35. Bxg6 f3 36. Kf2 Bxh4 37. Rg5 Bxg5 38. Qxg5 Qe7 39. Qxh5 Rd5 40. Qh4
Qxh4 41. gxh4 Re7 42. c7 Rxc7 43. Rxe6 Rd8 44. Re1 d3 45. Rd1 d2 46. Bb2 Rc6
47. h5 Re6 48. Kxf3 Re1 49. h6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Kruger, Israel"]
[Black "Mariano, Marceley M"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "144"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 e5 7. Nb3 b5 8. g4
h6 9. h4 Be6 10. g5 hxg5 11. hxg5 Nfd7 12. g6 $146 ({RR} 12. Be3 Nc6 13. Qd2
Rc8 14. O-O-O Na5 15. Kb1 Nc4 16. Bxc4 bxc4 17. Nc1 a5 18. N1e2 Be7 19. f4 exf4
20. Nxf4 Ne5 21. g6 Qd7 22. gxf7+ Kxf7 23. Qg2 Bf6 24. Rdf1 Rcf8 25. Nxe6 Kxe6
26. Nd5 Qf7 {Bordi,K (2288)-Khandelwal,A (2228) chess.com INT 2022 1-0 (43)})
12... fxg6 13. Rxg6 Nf6 14. Be3 Nbd7 15. Qf3 b4 16. Nd5 Bxd5 17. exd5 a5 18.
O-O-O a4 19. Nd2 Qc7 20. Nc4 b3 21. a3 bxc2 22. Rd2 Nc5 23. Rxc2 Nb3+ 24. Kb1
Qf7 25. Qg2 Rh1 26. Rxf6 Rxf1+ 27. Qxf1 Qxf6 28. Nb6 Ra5 29. Qh3 Ra7 30. Bg5
Qg6 31. Qe6+ Qxe6 32. dxe6 Nc5 33. Rc4 Nxe6 34. Be3 Rb7 35. Rxa4 Nc7 36. Nc4
Kf7 37. Ra7 Rxa7 38. Bxa7 Ke6 39. Bb6 Nd5 40. a4 Nb4 41. Na3 d5 42. Nc2 Nd3 43.
a5 Kd7 44. Ne3 Kc6 45. Kc2 Nb4+ 46. Kd2 Be7 47. Nf5 Bg5+ 48. Kc3 g6 49. Ng3 Kb5
50. Bc7 Bf6 51. Ne2 d4+ 52. Kd2 Nc6 53. Kd3 Nxa5 54. f4 exf4 55. Nxf4 g5 56.
Ne6 Nc6 57. Bd6 g4 58. Bg3 Nb4+ 59. Kd2 Kc4 60. Bf2 d3 61. Bc5 g3 62. b3+ Kxb3
63. Bg1 Kc4 64. Be3 Bc3+ 65. Kd1 Nd5 66. Bg1 Nf6 67. Ng5 Bd4 68. Nf3 Bxg1 69.
Nxg1 Kd4 70. Kd2 Ne4+ 71. Ke1 Ke3 72. Kd1 Nf2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Labussiere, Victor"]
[Black "Sekula, Markley"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "120"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. Nc3 dxe4 7. Ng5 O-O 8.
Ncxe4 Nxe4 9. Nxe4 Bf5 10. Ng3 ({RR} 10. O-O Na6 11. Nxd6 Qxd6 12. Qf3 Be6 13.
Qg3 Bxb3 14. axb3 Nb4 15. c3 Nxd3 16. Rd1 Rad8 17. Bg5 f6 18. Be3 a6 19. Rd2
Rfe8 20. Rad1 e4 21. Qxd6 Rxd6 22. f3 f5 23. fxe4 fxe4 24. Rf1 Rd5 {Anand,V 
(2770)-Kramnik,V (2790) Frankfurt 1998 1/2-1/2 (59)}) 10... Qd7 ({RR} 10... Bg6
11. h4 h6 12. Qg4 Kh8 13. h5 Bh7 14. Nf5 Qf6 15. Nxd6 Qxd6 16. Bd2 Nd7 17. Bc3
a5 18. a3 Nc5 19. Ba2 f6 20. O-O Rfe8 21. Rae1 b5 22. Bf7 Re7 23. Bg6 Ne6 24.
Bd2 Qd7 25. f4 {Artemiev,V (2697)-Fedoseev,V (2683) chess.com INT 2023 1/2-1/2
(53)}) 11. Nxf5 Qxf5 12. O-O Na6 $146 ({RR} 12... Nd7 13. Be3 Nc5 14. Bxc5 Bxc5
15. Qe2 Rad8 16. Rae1 Rfe8 17. Qe4 Qf6 18. c3 Re7 19. Kh1 g6 20. Rd1 Kg7 21. g3
Bd6 22. Kg2 Bc7 23. Rfe1 Rde8 24. Re3 Bb6 25. Rf3 Qg5 26. h4 Qh5 27. Re1 {
Abrahamyan,T (2275)-Zatonskih,A (2462) Saint Louis 2009 0-1 (57)}) 13. a3 Rad8
14. Qe2 Nc5 15. Ba2 Ne6 16. Be3 Nd4 17. Qd2 Qg6 18. Bxd4 exd4 19. Rad1 Rfe8 20.
Qa5 Bb8 21. g3 b6 22. Qa6 h5 23. Qb7 h4 24. Rfe1 Rf8 25. Kg2 Qf6 26. Re4 g5 27.
gxh4 Qd6 28. Qe7 Qxe7 29. Rxe7 gxh4 30. Re4 Kg7 31. Rxh4 Rh8 32. Rxh8 Rxh8 33.
h3 Kf6 34. Re1 Rg8+ 35. Kf3 Rh8 36. Rh1 Rh5 37. h4 Rf5+ 38. Kg2 Bf4 39. Re1 Bh6
40. Re4 c5 41. b4 Bd2 42. b5 Rh5 43. Kg3 Rh8 44. Rg4 Re8 45. Bb3 Rh8 46. Re4
Rg8+ 47. Kf3 Rh8 48. Bc4 Bc1 49. a4 Bd2 50. Ke2 Bh6 51. Kf3 Bd2 52. h5 Rxh5 53.
Re8 Re5 54. Ra8 Re7 55. Kg4 Ke5 56. Rg8 Bh6 57. Rd8 f5+ 58. Kh5 Bd2 59. Kg6 Kf4
60. Rh8 Kg4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Lima, Carlos Eduardo A"]
[Black "Cicuto, Marcelo Cezar"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qd1 Bg7 7. Bd3 O-O 8.
O-O d5 9. Nxd5 Nxd5 10. exd5 Qxd5 11. Ng5 $146 ({RR} 11. c3 Rd8 12. Be2 Qe4 13.
Qe1 Bf5 14. Bd1 Qd3 15. Qe2 Qxe2 16. Bxe2 Bd3 17. Re1 Bxe2 18. Rxe2 Rd1+ 19.
Re1 Rxe1+ 20. Nxe1 Rd8 21. Kf1 e5 22. Ke2 f5 23. f3 Bf6 24. Be3 Kf7 25. Rd1
Rxd1 {Ravier,O (1899)-Arias,J (2125) Vicente Lopez 2016 1/2-1/2 (71)}) 11...
Bxb2 12. Bxb2 Qxg5 13. Re1 Bh3 14. Qf3 Be6 15. Re3 Rad8 16. Qe2 Bd5 17. Rg3 Qf4
18. Rg4 Qd6 19. Qe3 e5 20. Qh6 Qf6 21. f4 Qg7 22. Qxg7+ Kxg7 23. fxe5 Be6 24.
Rf4 Rd5 25. Ba3 Re8 26. Bd6 Ne7 27. Bb5 Nc6 28. Bxc6 bxc6 29. Ra4 Ra8 30. c4
Rd3 31. Rb1 Bf5 32. Rb2 f6 33. exf6+ Kxf6 34. c5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Lima, Lucas Taveira"]
[Black "Jenidarchiche, Douglas"]
[Result "0-1"]
[ECO "C75"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 b5 ({RR} 
7... g6 8. O-O Bg7 9. Re1 b5 10. Bc2 O-O 11. h3 Re8 12. Nf1 Na5 13. b3 c5 14.
d5 Nb7 15. a4 bxa4 16. bxa4 Na5 17. Ne3 Bc8 18. c4 Bh6 19. Bd2 Qc7 20. Qe2 Bd7
21. Bc3 Reb8 22. Nd2 {Vachier Lagrave,M (2736)-Nakamura,H (2768) chess.com INT
2023 0-1 (58)}) 8. Bc2 Bg4 9. dxe5 $146 ({RR} 9. d5 Ne7 10. O-O Ng6 11. h3 Bxf3
12. Qxf3 Be7 13. Re1 O-O 14. Nf1 h6 15. Ne3 Nf4 16. Nf5 Ng6 17. h4 h5 18. Qg3
Ng4 19. f3 Nf6 20. Bd1 Ne8 21. Bg5 Bxg5 22. hxg5 f6 23. gxf6 Qxf6 {Rodzhero,
M-Ponomarev,V Serpukhov 2001 1/2-1/2}) 9... Nxe5 10. h3 Bh5 11. O-O Be7 12. Re1
O-O 13. b4 Nfd7 14. a4 Bf6 15. Bb2 Nxf3+ 16. Nxf3 Ne5 17. g4 Nc4 18. Qb1 Bg6
19. e5 Bxe5 20. Bxg6 fxg6 21. Nxe5 Nxe5 22. Rxe5 dxe5 23. Qa2+ Kh8 24. c4 Qh4
25. Bxe5 Qxh3 26. Bg3 Qxg4 27. axb5 h5 28. Kh2 h4 29. Bxc7 Rf3 30. Kh1 Raf8 31.
Rf1 Rh3+ 32. Bh2 Rxh2+ 33. Kxh2 Rf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Luz, Arthur Nader"]
[Black "Cunha, Lucas Aguiar"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nc3 a6 5. dxc5 Nc6 6. a3 e5 7. Bg5 Be6 8. b4
Be7 9. Nf3 h6 10. Bh4 O-O 11. Be2 Qc7 $146 ({RR} 11... a5 12. b5 e4 13. Nd4 Nb8
14. c6 bxc6 15. bxc6 Bc5 16. Ncb5 Qc8 17. c7 Na6 18. Bg3 Ne8 19. c4 Naxc7 20.
cxd5 Bxd5 21. Rc1 Na6 22. O-O Qb7 23. Nf5 Be6 24. Nbd6 Nxd6 25. Nxd6 Qb6 26.
Rb1 {Zherebtsova,A (2187)-Voit,D (2343) Chelyabinsk RUS 2020 1-0 (44)}) 12. Bg3
Rad8 13. Nd4 Bc8 14. Nxc6 bxc6 15. O-O Rfe8 16. Qc1 Bf8 17. Qb2 g6 18. Rad1 Bg7
19. Qb3 Nh5 20. Bxh5 gxh5 21. e4 d4 22. Nb1 Qe7 23. h3 Kh8 24. Nd2 f5 25. exf5
h4 26. Bh2 e4 27. Nc4 Bxf5 28. Nd6 Be6 29. Qb1 Rg8 30. Kh1 Bd5 31. Rde1 Bf6 32.
c4 dxc3 33. Nxe4 Qg7 34. Rg1 Bd4 35. Bd6 Rde8 36. Qd3 Bxf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Mekhitarian, Krikor"]
[Black "Supi, Luis Paulo"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "33"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 c6 7. O-O Bf5 8. b3
Ne4 9. Bb2 Nxc3 10. Bxc3 Be4 11. Nh4 Bxg2 12. Nxg2 d5 13. Qd3 e6 14. e4 dxe4
15. Qxe4 Nd7 16. Rfe1 $146 ({RR} 16. Rfd1 Qb6 17. Ne3 Rfe8 18. Rac1 Rac8 {
1/2-1/2 (18) Krasenkow,M (2615)-Khalifman,A (2650) Vilnius 1997}) 16... Qc7 17.
Nh4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Molina, Roberto Junio"]
[Black "Almeida Jr, Alvaro"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2
Nbd7 9. O-O-O Be7 10. f3 Rc8 11. Kb1 ({RR} 11. g4 Nb6 12. Kb1 O-O 13. h4 a5 14.
g5 Nh5 15. Nxa5 Ra8 16. Nb3 Ng3 17. Bxb6 Qxb6 18. Rh2 Nxf1 19. Rxf1 Qa6 20. Rd1
b5 21. Nc1 Bc4 22. b3 Rfb8 23. Nd5 Bxd5 24. Qxd5 b4 25. Rhd2 Rc8 {Ponomariov,R
(2700)-Polgar,J (2728) Wijk aan Zee 2005 1-0 (56)}) 11... O-O 12. g4 ({RR} 12.
h4 h5 13. Nd5 Bxd5 14. exd5 b5 15. Be2 Nb6 16. Bxb6 Qxb6 17. Bd3 b4 18. Rhg1 a5
19. Bf5 Rc7 20. g4 hxg4 21. fxg4 a4 22. Nc1 a3 23. g5 Nh7 24. Qe2 axb2 25. Kxb2
Ra7 26. Nb3 Rfa8 {Urriola Torres,V (1148)-Navarro Barrios,E Panama City PAN
2023 0-1 (34)}) 12... Qc7 13. g5 $146 ({RR} 13. h4 Nb6 14. g5 Nfd7 15. h5 Nc4
16. Bxc4 Bxc4 17. g6 Bxb3 18. cxb3 Nb6 19. h6 gxh6 20. gxh7+ Kh8 21. Bxh6 Rfe8
22. Qg2 Bf6 23. Rdg1 Rg8 24. hxg8=Q+ Rxg8 25. Bg7# {1-0 (25) SH-Kletzel,U Dos
Hermanas 2003}) 13... Nh5 14. Rg1 Nb6 15. Nd5 Bxd5 16. exd5 Nc4 17. Bxc4 Qxc4
18. Rg4 Qc7 19. h4 Qd7 20. Qd3 g6 21. Rb4 Bd8 22. f4 a5 23. Re4 Ng3 24. Rc4
Rxc4 25. Qxc4 a4 26. Nd2 b5 27. Qd3 exf4 28. Bxf4 Qg4 29. Qf3 Qxf3 30. Nxf3 Nf5
31. Re1 f6 32. b3 fxg5 33. Bxg5 Bxg5 34. hxg5 axb3 35. axb3 Rc8 36. Nd2 Nd4 37.
c4 bxc4 38. bxc4 Rb8+ 39. Ka2 h5 40. gxh6 Kh7 41. Ne4 Nf5 42. Rh1 Nxh6 43. Nxd6
Kg7 44. c5 Ng4 45. c6 Ne3 46. c7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Moreira, Cleber Naief"]
[Black "Melo, Igor"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Nge7 5. Bg2 g6 6. O-O Bg7 7. c3 O-O 8. d3
d5 9. Nbd2 Re8 ({RR} 9... b6 10. exd5 Nxd5 11. Nc4 Bb7 12. a4 Rc8 13. Bd2 Qc7
14. Rad1 Rfd8 15. Bc1 Qe7 16. Qc2 h6 17. Rfe1 Qc7 18. h4 Ba8 19. Qb3 Rb8 20.
Qc2 Rbc8 21. Qe2 Qd7 22. h5 g5 23. Nfe5 Nxe5 24. Nxe5 {Sanduleac,V (2435)
-Kalegin,E (2489) Evpatoria 2009 1/2-1/2 (36)}) 10. Rd1 $146 ({RR} 10. Re1 a6
11. Nf1 b5 12. Bg5 Qc7 13. Bf4 Qb6 14. h3 a5 15. exd5 exd5 16. Qc2 Be6 17. Ne5
Nxe5 18. Bxe5 Nc6 19. Bxg7 Kxg7 20. Ne3 Rad8 21. Rab1 d4 22. Bxc6 Qxc6 23. cxd4
Rxd4 24. b3 Red8 {Olier Robayo,M (1363)-Bashirli,S (1320) lichess.org INT 2020
0-1 (42)}) ({RR} 10. Re1 b5 11. a3 a5 12. e5 Ba6 13. d4 b4 14. Qd1 cxd4 15.
cxd4 Nf5 16. Nf1 Qb6 17. Be3 Bxf1 18. Bxf1 Nxe3 19. fxe3 b3 20. Qd3 a4 21. Rac1
Na5 22. Qd2 Rec8 23. Rxc8+ Rxc8 24. Rc1 Nc4 {Li,T (1917)-Asish Panda (1773)
chess.com INT 2023 0-1 (51)}) 10... Bd7 11. h4 Rc8 12. h5 h6 13. hxg6 fxg6 14.
Bh3 Kh7 15. Kg2 b5 16. Rh1 e5 17. Ng5+ Kg8 18. Ne6 Qb6 19. Nf3 h5 20. Nfg5 Nd8
21. Nxg7 Bxh3+ 22. Rxh3 Kxg7 23. g4 Nf7 24. gxh5 Rh8 25. exd5 Nxg5 26. Bxg5 Qd6
27. Bxe7 Qxe7 28. Rg3 Rh6 29. Qg4 Rch8 30. Re1 Qd6 31. Qxg6+ Rxg6 32. Rxg6+
Qxg6+ 33. hxg6 Re8 34. f4 Kxg6 35. Rxe5 Rf8 36. Kg3 Kf6 37. c4 b4 38. d6 Rd8
39. Rd5 a6 40. d7 a5 41. b3 Ke6 42. Kf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Mota, Romulo Cardoso"]
[Black "Okamura, Milton"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 {Ribli,Z} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Nf6 6. Nc3 Qc7 7.
O-O a6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Be7 11. Bd3 Rb8 ({RR} 11... c5 12. c4
Bb7 13. Nc3 O-O ({RR} 13... h5 14. h3 h4 15. Qd2 d6 16. Rab1 Rd8 17. Bg5 Nh7
18. Bf4 Nf8 19. b4 cxb4 20. Rxb4 Ng6 ({RR} 20... Nd7) 21. Rfb1 Ba8 22. Be3) ({
RR} 13... d6 14. f4 Nd7 15. Qh5 g6 16. Qh3 f5 17. Bf2 Nf6 18. Rae1 O-O 19. Bh4
Rae8 20. Bg5 Bd8 21. Qh4 fxe4 22. Nxe4 Nxe4 23. Bxe4 Bxe4 24. Rxe4 Bxg5 25.
Qxg5 Rf5 26. Qg3 Qb7 27. Qd3) 14. f4 ({RR} 14. Qc2 Ng4 15. g3 Nxe3 16. fxe3 Bg5
17. Rf3 f5 18. Raf1 Bf6 19. Nd1 Qe5 20. exf5 Bxf3 21. Rxf3 Bg5) 14... d6 15.
Qf3 Rad8 ({RR} 15... Rfe8 16. Qh3 d5 17. e5 Ne4 18. cxd5 exd5 19. Nxe4 dxe4 20.
Bc4) 16. Qh3 ({RR} 16. Rad1 Bc6 17. Qh3 Qb7 18. e5 Ne4 19. b3 g6 20. Bxe4 Bxe4
21. exd6 Bxd6 22. Nxe4 Qxe4) 16... Rfe8 17. Rae1 Nd7 18. Rf3 ({RR} 18. e5 Nf8)
18... Nf8 19. f5 Bf6 ({RR} 19... Qd7) 20. fxe6 Rxe6 ({RR} 20... fxe6) 21. Nd5
Bxd5 22. exd5 ({RR} 22. cxd5 Re7 ({RR} 22... Ree8) 23. Rxf6 gxf6 24. Qh4) 22...
Rxe3 23. Rfxe3 Bd4 24. Kh1 ({RR} 24. Qh4 Qa5 ({RR} 24... Bxe3+ 25. Rxe3) ({RR} 
24... Re8 25. Qxd4 cxd4 26. Rxe8)) 24... Bxe3 25. Qxe3 Qb8 26. Qe7 {Shirov,A 
(2726)-Anand,V (2784) Wijk aan Zee 1999 CBM 069 [Ribli,Z] 1/2-1/2 (40)}) 12.
Nc5 $146 ({RR} 12. c4 c5 13. f4 Bb7 14. Nc3 Bc6 15. b3 d6 16. Qf3 Nd7 17. Qh3
Bf6 18. Rac1 Bd4 19. f5 Bxe3+ 20. Qxe3 Ne5 {1/2-1/2 (20) Begnis,N (2255)
-Partenheimer,A (2208) Germany 2003}) ({RR} 12. c4 c5 13. f4 d6 14. Qe2 O-O 15.
Nc3 Bb7 16. Rad1 Rfe8 17. Qf3 Rbd8 18. g4 d5 19. cxd5 exd5 20. exd5 Nxd5 21.
Nxd5 Bxd5 22. Bxh7+ Kxh7 23. Rxd5 Rxd5 24. Qxd5 Bf6 25. Qxc5 Qxc5 26. Bxc5 Bxb2
{Hrebenshchykova,Y (1990)-Gaal,Z (2197) chess.com INT 2020 1/2-1/2 (76)}) 12...
a5 13. Qf3 e5 14. Qg3 Kf8 15. Nb3 d6 16. Nc1 d5 17. f3 Be6 18. b3 h5 19. h4 Qd8
20. Qxe5 Nd7 21. Qh2 Bxh4 22. Qd6+ Be7 23. Qxc6 Rc8 24. Qa4 Nc5 25. Qd4 Nd7 26.
exd5 Bf6 27. Qf4 Be5 28. Qe4 Bxd5 29. Qxd5 Bxa1 30. Bf5 Nf6 31. Qb7 Rb8 32. Qa7
g6 33. Bd3 Kg7 34. Bc4 Qe8 35. Re1 Rd8 36. Nd3 Bc3 37. Bh6+ Rxh6 38. Rxe8 Bd4+
39. Kf1 Bxa7 40. Rxd8 h4 41. Ra8 Bd4 42. Rxa5 h3 43. gxh3 Rxh3 44. Kg2 Rh8 45.
c3 Bxc3 46. Ra7 Rf8 47. Nf4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Pereira, Geanfrancesco"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "24"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Nf6 7. O-O Qc7 8.
Bg5 a6 9. Bh4 $146 ({RR} 9. Rc1 Bd6 10. Bxf6 gxf6 11. Ne2 b5 12. Bb3 Bb7 13.
Qd3 Ke7 14. Nc3 Bf4 15. Rce1 Ne5 16. Nxe5 Bxe5 17. g3 Bxc3 18. bxc3 Rac8 19.
Re3 Qc5 20. Rd1 Rc7 21. f4 Rhc8 22. Kf1 a5 23. e5 f5 {Klugman,M-Salter,M Perth
1994 0-1 (51)}) ({RR} 9. Bxf6 gxf6 10. Bb3 b5 11. Qd2 Rg8 12. Rac1 Qb6 13. Qf4
Rg6 14. Rcd1 Bb7 15. Nh4 Rg8 16. Nf5 Ne5 17. Ne3 Rg6 18. Kh1 Bh6 19. Qh4 O-O-O
20. Nc2 b4 21. Na4 Qa5 22. Rd4 Qb5 23. Rg1 Rdg8 {Khin,T (2509)-Htun,H (2499)
Yangon 1999 0-1}) ({RR} 9. Rc1 Be7 10. Qe2 Ng4 11. Nd5 exd5 12. exd5 O-O 13.
dxc6 Bxg5 14. cxb7 Qe5 15. Nxe5 {1-0 (15) Lopez Perdomo,J (2020)-Fernandez
Garcia,G (2172) chess.com INT 2023}) 9... Bd6 10. Bg3 Bxg3 11. hxg3 O-O 12. Qe2
Ne5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira Filho, Fernando"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "101"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 bxc4 5. bxc4 g6 6. Qc2 Bg7 7. Bb2 d6 8. e4
O-O 9. Be2 Nbd7 $146 ({RR} 9... Na6 10. a3 Rb8 11. Nd2 Rxb2 12. Qxb2 Nxe4 13.
Qc1 Bxa1 14. Qxa1 Nxd2 15. Kxd2 Qa5+ 16. Ke3 Bf5 17. g4 Nb4 18. Qb2 Nc2+ 19.
Kf4 Qd2+ 20. Kg3 Bd3 21. Bf3 g5 22. Nh3 Qa5 23. Rd1 Bg6 24. Nxg5 {Mueller,W 
(1908)-Eichinger,H (1883) Germany 2004 0-1 (42)}) 10. Nf3 Rb8 11. Bc3 Ng4 12.
Bxg7 Kxg7 13. O-O Nge5 14. Nbd2 Nxf3+ 15. Nxf3 Qa5 16. Rab1 Ba6 17. Nd2 Kg8 18.
f4 Nb6 19. Rf3 Nd7 20. Rfb3 Rxb3 21. Rxb3 Rb8 22. Rxb8+ Nxb8 23. e5 Nd7 24.
exd6 exd6 25. g3 Qb4 26. Ne4 Qb8 27. g4 Qe8 28. Qd3 Qe7 29. g5 f5 30. Nd2 Nb6
31. Kf2 Bc8 32. Qc3 Qg7 33. Qxg7+ Kxg7 34. Bd1 Bd7 35. Ke2 Ba4 36. Bb3 Bxb3 37.
axb3 a5 38. Kd3 a4 39. bxa4 Nxa4 40. Kc2 Kf7 41. Kb3 Nb6 42. h4 Ke7 43. Nf3 Kd7
44. Nd2 Kc7 45. Nf3 Kd7 46. Nd2 Na8 47. Nf3 Nc7 48. Nd2 Ne8 49. Nf1 Ng7 50. Ng3
Kc7 51. Ka4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira, Leonardo Tadeu"]
[Black "Abrantes, Tiago Garrido"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 {Moradiabadi,E} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7.
O-O d6 8. a4 Rb8 9. Be3 ({RR} 9. axb5 axb5 10. Nbd2 O-O 11. Re1 Bd7 ({RR} 11...
Be6 12. Bxe6 fxe6 13. c3 Qd7 14. d4 exd4 15. cxd4 Ra8 16. Rxa8 Rxa8 17. Nb3 Nd8
) 12. c3 Ra8 13. Rxa8 Qxa8 14. d4 h6 15. Nf1 Re8 16. Ng3 Qc8 17. Nh4 Bf8 ({RR} 
17... Na5 18. Bc2 ({RR} 18. Ba2 Nc4 19. b3 ({RR} 19. Bxc4 bxc4 20. dxe5 ({RR} 
20. Qe2 exd4 21. cxd4 Nxe4) 20... dxe5 21. Nhf5 Bf8 22. Qf3 Qa6) 19... Qa8 20.
Qe2 Nb6 ({RR} 20... Nd5 21. Nhf5 Nxc3 22. Qg4 Bxf5 23. Nxf5 Bg5 24. Bxg5 hxg5
25. Qxg5 g6 26. Nh6+ Kg7 27. Ng4) 21. Nhf5 Bf8 22. Bb1) 18... g6) 18. Ng6 Na5
19. Nxf8 Rxf8 20. Bc2 Re8 21. f4 Bg4 22. Qd3 exf4 ({RR} 22... Qb8) 23. Bxf4 Nc4
{Carlsen,M (2826)-Topalov,V (2803) Nanjing 2010 CBM 139 [Moradiabadi,E] 1-0 
(32)}) 9... O-O $146 ({RR} 9... Bg4 10. Nbd2 O-O 11. h3 Bh5 12. c3 Na5 13. Bc2
c5 14. d4 b4 15. dxe5 dxe5 16. g4 Nxg4 17. hxg4 Bxg4 18. Qe1 bxc3 19. bxc3 Rb2
20. Bd1 f5 21. Nxe5 Bxd1 22. Rxd1 f4 23. Ndc4 Bd6 24. Rxd6 {Borodavkin,A (2091)
-Korkmaz,N (2050) chess.com INT 2022 0-1}) 10. h3 Na5 11. Ba2 c5 12. axb5 axb5
13. c3 Qc7 14. Nbd2 Bd7 15. Re1 h6 16. Nf1 c4 17. Ng3 cxd3 18. Qxd3 Nc4 19. Bc1
Ra8 20. Nh4 Rfd8 21. Ngf5 Bf8 22. b3 Nb6 23. Re3 Nh5 24. Qe2 g6 25. Rd3 Kh7 26.
Be3 Nf6 27. Ng3 Be6 28. Rad1 Nbd7 29. Nf3 Qc6 30. Qb2 Nxe4 31. Nxe4 Qxe4 32.
Bb1 Qc6 33. Nh2 d5 34. Bc1 e4 35. Rg3 Bg7 36. Ng4 b4 37. Qd2 bxc3 38. Qc2 f5
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira, Olavo Tadeu"]
[Black "Pontes, Felipe"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Bb4 7. Qd3 Nf6 8.
O-O b6 ({RR} 8... b5 9. e5 Qxe5 10. Bf3 Ra7 11. Be3 Rc7 12. Nce2 g5 13. Ba8 Ng4
14. Nf3 Qd6 15. Qd4 Qxd4 16. Bxd4 Rg8 17. h3 Nh6 18. c3 Bc5 19. Be5 d6 20. Bg3
f5 21. b4 f4 22. bxc5 fxg3 23. cxd6 {Aveskulov,V (2526)-Banikas,H (2582) ICC
INT 2009 1-0 (60)}) 9. f4 d6 $146 ({RR} 9... Bb7 10. Bf3 d5 11. exd5 Bxc3 12.
bxc3 Bxd5 13. Bxd5 Nxd5 14. f5 e5 15. Qe4 Qxc3 16. Qxe5+ Ne7 17. Re1 O-O 18.
Qxe7 Qxd4+ 19. Be3 Qd5 20. Rad1 Nc6 21. Qxf8+ {1-0 (21) Vaclavicek,L (2010)
-Baum,J (1893) Liberec 2015}) ({RR} 9... Bb7 10. e5 Nd5 11. Ne4 b5 12. a4 Nc6
13. c3 Be7 14. axb5 Nxd4 15. Qxd4 a5 16. c4 Nb4 17. Nd6+ Bxd6 18. exd6 Qc8 19.
Be3 O-O 20. Qc3 Qd8 21. Bd4 f6 22. Bc5 Rc8 23. Bxb4 axb4 24. Qxb4 {Michelle
Catherina,P (2182)-Hoareau,B (1779) New Delhi IND 2019 1-0 (44)}) 10. Be3 Nbd7
11. Nb3 Bb7 12. Bf3 Rc8 13. Bd2 h5 14. a3 Nc5 15. Nxc5 Bxc5+ 16. Kh1 Ng4 17.
Qe2 Qe7 18. Bxg4 hxg4 19. Qxg4 Kd7 20. Rad1 Rh7 21. Bc1 Rch8 22. h3 b5 23. e5
Rxh3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira, Renato Sena"]
[Black "Bueno, Marcos Antonio"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bd3 O-O 6. Bg5 ({RR} 6. Be3 Nc6 7.
h3 e5 8. d5 Ne7 9. O-O Ne8 10. Nh2 c6 11. dxc6 bxc6 12. Na4 Nc7 13. c4 Ne6 14.
Qd2 f5 15. f3 d5 16. Rad1 d4 17. Bh6 Bxh6 18. Qxh6 Nf4 19. b3 Qd6 20. c5 Qf6 {
Jonkman,H (2399)-Nijboer,F (2553) Enschede 2005 0-1 (33)}) 6... c6 ({RR} 6...
e5 7. dxe5 dxe5 8. Nxe5 Nc6 9. Nxc6 bxc6 10. e5 h6 11. exf6 Bxf6 12. Bxf6 Qxf6
13. O-O c5 14. Nd5 Qg5 15. Nxc7 Bb7 16. g3 Rac8 17. Nb5 Bc6 18. Nxa7 Rc7 19.
Nxc6 Rxc6 20. Bb5 Rb6 21. Qd3 {Frolovs,B-Garcia Naharro Alvaro lichess.org INT
2022 1/2-1/2 (73)}) 7. Qd2 Na6 8. Bh6 $146 ({RR} 8. Ne2 Nc7 9. Ng3 b5 10. h4 a5
11. Bxf6 exf6 12. h5 Re8 13. hxg6 fxg6 14. O-O Re7 15. c3 Bd7 16. a3 Kh8 17.
Nh2 Qb8 18. f4 Qb6 19. Kh1 Rae8 20. Nf3 Be6 21. f5 Bf7 22. fxg6 Bxg6 {Weir,J 
(1440)-Gibson,E (1790) Glasgow 2014 1-0 (32)}) 8... b5 9. Bxg7 Kxg7 10. h4 h5
11. Qg5 Nb4 12. O-O-O Ng4 13. Rdf1 Nxd3+ 14. cxd3 a5 15. Nh2 e6 16. Nxg4 Qxg5+
17. hxg5 hxg4 18. Rh4 Rh8 19. Rxh8 Kxh8 20. d5 b4 21. Na4 Ra6 22. dxc6 Rxc6+
23. Kd2 Bd7 24. Rh1+ Kg7 25. Rh4 e5 26. b3 d5 27. exd5 Rd6 28. Nc5 Bf5 29. Ne4
Rxd5 30. f3 g3 31. Rh1 Bc8 32. Rh7+ Kxh7 33. Nf6+ Kg7 34. Nxd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira, Silvio Eduardo"]
[Black "Pomar, Marcelo"]
[Result "1-0"]
[ECO "C97"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3
d6 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 c4 13. Be3 ({RR} 13. Bd2 Bd7 14. b4
cxb3 15. axb3 Nb7 16. b4 Ne8 17. Na3 g6 18. Bd3 Ng7 19. Qb3 Kh8 20. c4 bxc4 21.
Nxc4 Rfb8 22. Be3 Nc5 23. Bxc5 dxc5 24. Nfxe5 Be8 25. d6 Bxd6 26. Nxd6 Qxd6 27.
Qxf7 Qe6 {Bashirov,K (2178)-Bub,V (2051) Tegernsee GER 2022 1-0 (34)}) 13...
Bd7 ({RR} 13... Nb7 14. Nbd2 Nc5 15. Qe2 Bd7 16. Rec1 Rfc8 17. b4 cxb3 18. axb3
a5 19. Ne1 g6 20. g4 h5 21. f3 hxg4 22. hxg4 Nh7 23. Ng2 Bg5 24. Kf2 Qd8 25.
Kg3 {1/2-1/2 (25) Lastin,A (2622)-Kiselev,G (2453) Voronezh 2008}) 14. b4 $146
({RR} 14. Nbd2 Nb7 15. Qe2 Nc5 16. b4 cxb3 17. axb3 a5 18. Rac1 Rfc8 19. Bb1
Qb7 20. Nh4 b4 21. Qf3 a4 22. cxb4 Qxb4 23. Rc4 Qa3 24. bxa4 Nxa4 25. Rxc8+
Rxc8 26. Nf5 Bxf5 27. Qxf5 Rc7 28. Qf3 Nd7 {Savic,M (2545)-Lazic,M (2450)
Kragujevac 2009 1-0 (41)}) 14... Nb7 15. a4 bxa4 16. Na3 a5 17. Nd2 axb4 18.
cxb4 Nxe4 19. Nxe4 f5 20. Bg5 Qd8 21. Bxe7 Qxe7 22. Nc3 f4 23. Be4 Qg5 24. Kf1
Rf6 25. Bf3 Rg6 26. Ne4 Qh4 27. Nb1 Qd8 28. Bh5 Rh6 29. Bg4 Bxg4 30. Qxg4 Qb6
31. Nbc3 a3 32. Qd7 f3 33. Rxa3 fxg2+ 34. Kxg2 Rf8 35. Re3 Rg6+ 36. Rg3 Rxg3+
37. Kxg3 Qd4 38. Qxb7 Qd3+ 39. Kh2 Qf3 40. Ra1 Qf4+ 41. Kh1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Oliveira, Yuri Garcia"]
[Black "do Carmo, Gabriel"]
[Result "0-1"]
[ECO "A14"]
[PlyCount "104"]
[EventDate "2021.??.??"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. e3
Bb7 9. Qe2 c5 10. Rd1 Qc7 11. Nc3 Rfd8 $146 ({RR} 11... Rad8 12. Rac1 Qb8 13.
cxd5 Nxd5 14. Nxd5 Bxd5 15. e4 Bb7 16. d4 Qa8 17. Ne1 Rfe8 18. Rc2 cxd4 19.
Rxd4 Nc5 20. Rxd8 Rxd8 21. b4 Nd7 22. a3 a5 23. Qc4 axb4 24. axb4 Nf6 25. f3 {
1/2-1/2 (25) Smyslov,V-Gipslis,A Moscow (Russia) 1967}) ({RR} 11... a6 12. cxd5
Nxd5 13. Nxd5 Bxd5 14. e4 Bb7 15. d4 Rfe8 16. dxc5 bxc5 17. Nd2 Rad8 18. Nc4
Nb6 19. Be5 Qc6 20. Na5 Qc8 21. Nxb7 Qxb7 22. Bc3 h6 23. Bf1 c4 24. bxc4 Na4
25. Be5 Qc6 26. Rac1 {Anand,V (2779)-Wojtaszek,R (2749) Doha 2016 1/2-1/2 (58)}
) ({RR} 11... a6 12. Rac1 Rad8 13. d4 Rfe8 14. cxd5 exd5 15. Na4 Ne4 16. Nd2
Ndf6 17. Nxe4 Nxe4 18. dxc5 bxc5 19. b4 c4 20. Bd4 Qc6 21. Bxe4 Qxa4 22. Bc2
Qd7 23. a3 Qh3 24. Qf3 Bc8 25. Rd2 Bg4 26. Qg2 {Njoroge,M (1870)-Glock,B (1782)
Dusseldorf GER 2023 1-0 (39)}) 12. Rac1 Ne4 13. Nb5 Qc6 14. d3 Nd6 15. a4 Nxb5
16. axb5 Qc7 17. cxd5 Bxd5 18. b4 Qd6 19. e4 Bb3 20. Re1 a6 21. bxa6 Rxa6 22.
bxc5 bxc5 23. Bxg7 Kxg7 24. Qb2+ Nf6 25. Qxb3 Qxd3 26. Qxd3 Rxd3 27. Bf1 c4 28.
Bxd3 cxd3 29. Rcd1 Bb4 30. Re3 Bc5 31. Rdxd3 Bxe3 32. Rxe3 Ra4 33. e5 Nd5 34.
Re2 Kg6 35. Kg2 h5 36. Rb2 Re4 37. Nh4+ Kg7 38. f4 Rc4 39. Nf3 Ne3+ 40. Kh3 Nf5
41. Rb7 Rc6 42. Ng5 Nh6 43. Rd7 Kg6 44. Ne4 Rb6 45. Nf6 Ra6 46. Rd2 Ra3 47. Rd8
Ra2 48. Ne4 Kg7 49. Rd2 Ra8 50. Kg2 Ra3 51. h3 Nf5 52. Rc2 Ne3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Olivo, Anibal"]
[Black "Duailibi, Ricardo"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
b5 9. a3 ({RR} 9. a4 b4 10. Nd5 Bb7 11. Nxf6+ Bxf6 12. f3 O-O 13. Be3 a5 14.
Bb5 Na6 15. Kh1 Qc7 16. Rc1 h6 17. h3 Be7 18. c3 Qd8 19. Qd2 bxc3 20. bxc3 Qc7
21. Rb1 Nc5 22. Nxc5 dxc5 23. Qa2 Bg5 {Stoofvlees II a19 (3509)-Stockfish
dev15_20220302 (3612) tcec-chess.com INT 2022 1/2-1/2 (60)}) 9... Bb7 10. Bf3 (
{RR} 10. Qd3 O-O 11. f4 Nbd7 12. Kh1 Rc8 13. Bf3 Rc4 14. f5 Qa8 15. Bg5 Rfc8
16. Na5 Rd4 17. Qe2 Bd8 18. Nxb7 Qxb7 19. Rad1 Bb6 20. Rd3 Qc7 21. g4 Rxd3 22.
cxd3 Bd4 23. Bd2 h6 24. h4 Qd8 {Nimmy,A (2110)-Pushpalata,M (1697)
Hatkanangale IND 2022 1-0 (34)}) 10... Nbd7 11. Qd3 $146 ({RR} 11. g4 h6 12. h3
Nh7 13. Bg2 O-O 14. Ne2 Rc8 15. Ng3 Ndf6 16. Re1 Qc7 17. Nf5 Rfd8 18. Bd2 Bf8
19. Ba5 Qd7 20. Bxd8 Qxd8 21. Qe2 Ng5 22. f3 Ne6 23. Ne3 Nf4 24. Qd2 Be7 25.
Nc1 Nh7 {Khmarsky,V-Golichenko,I Kiev 2001 0-1 (79)}) 11... Rc8 12. Be3 Nb6 13.
Na5 Ba8 14. Rad1 O-O 15. Bg5 Nbd7 16. Nb3 h6 17. Be3 Qc7 18. Rd2 Nc5 19. Nxc5
dxc5 20. Nd5 Nxd5 21. exd5 Rcd8 22. b3 f5 23. Rdd1 e4 24. Bxe4 fxe4 25. Qxe4
Bd6 26. c4 Bxh2+ 27. Kh1 Rde8 28. Qg4 Bf4 29. Bxf4 Qxf4 30. Qg6 Re5 31. Rde1
Qh4+ 32. Kg1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Panazzolo, Paulo"]
[Black "Silva, Guilherme H"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O d6 8. Kh1
b5 9. a3 Bb7 10. f3 Be7 11. Qe1 Nbd7 12. Be3 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15.
c3 O-O 16. Bd3 Bf6 $146 ({RR} 16... Rfc8 17. Qf2 Ne5 18. Qc2 Nxd3 19. Qxd3 Bc4
20. Qc2 Bxf1 21. Rxf1 Qc4 22. Rd1 a5 23. Qb3 Qxb3 24. Nxb3 Bxa3 25. Bb6 Bxb2 {
0-1 (25) Nash,E-Fine,R Milwaukee,WI 1935}) 17. Rd1 Nb6 18. Qf2 Nc4 19. Rfe1
Nxe3 20. Qxe3 h6 21. Be4 Bg5 22. Qf2 Rad8 23. Ne2 Bb3 24. Rxd8 Rxd8 25. f4 Bf6
26. Ng3 g6 27. Qe3 Qd6 28. h3 Bh4 29. Kh2 Qd2 30. Re2 Qxe3 31. Rxe3 Rd2 32. Ne2
Bf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Paniago, Lucio"]
[Black "Silva, Joelton Cooper"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. Bg5 c6 6. e3 Nbd7 7. cxd5 cxd5 8.
Bd3 Qa5 ({RR} 8... O-O 9. O-O h6 10. Bh4 Be7 11. Rc1 a6 12. Na4 b6 13. Bg3 Ra7
14. Qc2 b5 15. Nc5 Nh5 16. Be5 Nxe5 17. dxe5 Rc7 18. b4 g5 19. Nd4 Ng7 20. a4
bxa4 21. Qxa4 Bxc5 22. bxc5 f6 23. Nf3 {Le,Q (2583)-Akobian,V (2606) Beijing
2008 1-0 (47)}) ({RR} 8... h6 9. Bh4 O-O 10. O-O Bxc3 11. bxc3 b6 12. Ne5 Qc7
13. Nxd7 Nxd7 14. Rc1 Bb7 15. Qe2 Rfe8 16. f4 Qd6 17. g4 Nf6 18. Bxf6 gxf6 19.
g5 hxg5 20. fxg5 f5 21. Qh5 Kf8 22. g6 fxg6 23. Qh8+ {Puchkouski,A (1327)
-Yadzievich,M Minsk BLR 2023 1-0 (37)}) 9. Qc2 Ne4 10. Rc1 Ndf6 $146 ({RR} 
10... Nxg5 11. Nxg5 h6 12. Nf3 Nf6 13. a3 Bd6 14. O-O O-O 15. Nb5 Be7 16. Qc3
Qxc3 17. Nxc3 Bd7 18. Rc2 Rac8 19. Rfc1 a6 20. Ne5 Rc7 21. Nxd7 Nxd7 22. Na4
Rxc2 23. Rxc2 Bd6 24. b4 Ra8 25. Nc5 {Valastan,A (1286)-Lopata,D (1576)
Liptovsky Mikulas 2016 0-1 (39)}) 11. Bxf6 Nxf6 12. O-O Bd7 13. Ne5 Rc8 14.
Nxd7 Nxd7 15. Bxh7 Qc7 16. Nb5 Qxc2 17. Bxc2 a6 18. Bd3 Ke7 19. Nc3 Nf6 20. Rc2
Ng4 21. h3 Bd6 22. Rfc1 Nf6 23. Nxd5+ Nxd5 24. Rxc8 Rh6 25. a3 Kf6 26. Kf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Peixoto, Rudson"]
[Black "Arruda Filho, Ivo"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "95"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d6 5. O-O O-O 6. Nbd2 Nbd7 7. e4 e5 8. Re1
Re8 ({RR} 8... b6 9. a4 a6 10. Nf1 Bb7 11. Ne3 Re8 12. h4 d5 13. exd5 Nxd5 14.
Nc4 f6 15. h5 Nf8 16. hxg6 hxg6 17. Bd2 Rb8 18. Nh4 Ne7 19. Bxb7 Rxb7 20. Qf3
Qd5 21. Qxd5+ Nxd5 22. f4 Rbb8 23. fxe5 {Murzin,V (2465)-Demchenko,A (2641)
chess.com INT 2020 1-0 (68)}) 9. b3 ({RR} 9. a4 a5 10. c3 c6 11. Nc4 Nc5 12.
Bg5 Bg4 13. h3 Bxf3 14. Qxf3 h6 15. Bxf6 Qxf6 16. Qxf6 Bxf6 17. Nxd6 Red8 18.
Nc4 Nxd3 19. Re2 Nc5 20. f4 exf4 21. gxf4 Nd3 22. Rf1 Be7 23. e5 Ra6 {Salman,P
(2287)-Borgaonkar,A (2163) chess.com INT 2022 1-0 (45)}) 9... Nf8 10. Bb2 c5
$146 ({RR} 10... h5 11. h4 N8h7 12. Nh2 b6 13. Ndf3 Bb7 14. Qd2 Qd7 15. Rad1
Rad8 16. a4 Ng4 17. Nxg4 Qxg4 18. Kh2 Bc8 19. Ng1 Qd7 20. Nf3 Nf6 21. Ng5 Ng4+
22. Kg1 Bb7 23. Bh3 Bh6 24. f3 f6 25. fxg4 {Ahmed,S-Salman,T Kayseri 2010 1-0 
(80)}) 11. a4 Bg4 12. h3 Bxf3 13. Bxf3 Ne6 14. Nf1 Qd7 15. Bg2 b5 16. Ne3 a6
17. Nd5 Nxd5 18. exd5 Nc7 19. Qd2 b4 20. f4 f6 21. fxe5 fxe5 22. Rf1 Rf8 23. g4
Rxf1+ 24. Rxf1 Rf8 25. Rxf8+ Kxf8 26. c4 a5 27. Bc1 Qf7 28. Qe2 Ne8 29. Be3 Nf6
30. Qf2 Nd7 31. Qh4 Bf6 32. g5 Bd8 33. Be4 Kg8 34. Qg4 Kg7 35. h4 Kg8 36. Kg2
Kg7 37. Qh3 Kg8 38. Bf3 Nf8 39. Bg4 Kh8 40. Qg3 Kg7 41. Bh3 Kh8 42. Qg4 Kg7 43.
Qg3 Bb6 44. Bg4 Kg8 45. Qh3 Bd8 46. h5 Kg7 47. h6+ Kg8 48. Qg3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Pereira, Mateus Oliveira"]
[Black "Lopes, Wendell"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. dxe5 Qxd1+ 6. Kxd1 Bg4 7. Be2 Bxf3
({RR} 7... O-O-O+ 8. Nbd2 Bxf3 9. Bxf3 Nxe5 10. Ke2 Nf6 11. Ne4 Nxf3 12. Kxf3
Nxe4 13. Kxe4 Bc5 14. Kf3 Rd5 15. Be3 Bxe3 16. fxe3 Rd2 17. Rac1 Rhd8 18. g4
R8d6 19. Kg3 Re6 20. Rhe1 f6 21. Kf3 Rxh2 22. Rh1 {Ernst,S (2270)-Rogers,I 
(2570) Hoogeveen 1997 0-1 (45)}) ({RR} 7... O-O-O+ 8. Ke1 f6 9. exf6 Nxf6 10.
c3 Bc5 11. h3 Bh5 12. Kf1 Rhe8 13. Nbd2 a5 14. Nc4 Ne4 15. Be3 Bxe3 16. Nxe3
Ng3+ 17. fxg3 Rxe3 18. g4 Bg6 19. Kf2 Re7 20. Rhe1 Rf8 21. Kg3 a4 22. Bb5 {
Silvestre,C (1942)-Boyer,M (2427) chess.com INT 2023 1-0}) 8. Bxf3 O-O-O+ 9.
Bd2 Nxe5 10. b3 $146 ({RR} 10. Be2 Nf6 11. Kc1 Bc5 12. f3 Rhe8 13. Nc3 Nd5 14.
Nxd5 Rxd5 15. c4 Rdd8 16. Bc3 Ng4 17. Bd1 Nf2 18. Rf1 Nxd1 19. Rxd1 Re2 20.
Rxd8+ Kxd8 21. b4 Be3+ 22. Kd1 {0-1 (22) Pulido,A (2205)-Alvarez,J Santa Clara
1999}) 10... Bc5 11. Ke1 Nf6 12. h3 Nxf3+ 13. gxf3 Rhe8+ 14. Kf1 Rd5 15. Rg1 g6
16. b4 Bd6 17. Bc3 Nh5 18. Nd2 Be5 19. Nb1 Nf4 20. Bxe5 Rd1# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Peres, Wallafe"]
[Black "Santos, Wenesley"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. b4 e5 2. b5 Bc5 3. e3 Nf6 4. Bb2 d6 5. c4 a6 ({RR} 5... O-O 6. Nf3 Nbd7 7.
Be2 e4 8. Nd4 Ne5 9. d3 Bg4 10. Bxg4 Nxd3+ 11. Kf1 Nxb2 12. Qc2 Nxc4 13. Bh3 d5
14. Nd2 Bxd4 15. exd4 Nd6 16. a4 a6 17. bxa6 Rxa6 18. g3 Rc6 19. Qb3 Rb6 20.
Qc3 {Zampier,A (1606)-Nunez,B (1850) Florianopolis/SC 2018 0-1}) 6. Nc3 $146 ({
RR} 6. Nf3 Bg4 7. Be2 axb5 8. cxb5 c6 9. O-O O-O 10. d4 exd4 11. Nxd4 Bxe2 12.
Qxe2 Re8 13. Nd2 Ra4 14. N2b3 Bb6 15. bxc6 bxc6 16. Nxc6 Qd7 17. Nxb8 Rxb8 18.
Bxf6 gxf6 19. Rfd1 Rg4 20. Qf3 Rg6 {Ungureanu,S (2019)-Tveten,P (1597) Caleta
2013 1-0 (51)}) 6... O-O 7. Be2 Nbd7 8. Qc2 Re8 9. Nf3 Nf8 10. h3 Be6 11. g4 h6
12. Rg1 N6h7 13. h4 Qc8 14. g5 h5 15. Bd3 g6 16. Ne4 Bb6 17. O-O-O axb5 18.
Nf6+ Nxf6 19. gxf6 Kh7 20. Rg5 Kh6 21. Rdg1 Bf5 22. Bxf5 gxf5 23. Rg8 Ng6 24.
Rxe8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Pessoa, Marcio"]
[Black "Rocha, Matheus Eugenio"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 Nd7 6. a4 h6 $146 ({RR} 6... Ne7 7.
Be2 Qc7 8. Be3 c5 9. O-O Nc6 10. Bb5 Be7 11. Nbd2 a6 12. Bxc6 bxc6 13. Rc1 c4
14. b4 a5 15. Bg5 Bf8 16. bxa5 Ba3 17. Ra1 Bb2 18. Ra2 Bxc3 19. Nb1 Bxa5 20.
Bd2 Rb8 21. Nc3 {Baranyai,A-Konya,L (2114) Hungary 2003 0-1 (52)}) ({RR} 6...
c5 7. Be3 Ne7 8. dxc5 Bg4 9. a5 Nf5 10. b4 Nxe3 11. fxe3 a6 12. Qd4 Bxf3 13.
gxf3 g6 14. Nd2 Bg7 15. f4 f6 16. exf6 Nxf6 17. Nf3 O-O 18. Bh3 Ne4 19. Bxe6+
Kh8 20. Qxd5 Bxc3+ 21. Ke2 {Fedoseev,V (2726)-Nisipeanu,L (2683) Dortmund 2017
1/2-1/2 (59)}) 7. Be2 Ne7 8. h3 c5 9. Na3 Nc6 10. Nb5 a6 11. Nd6+ Bxd6 12. exd6
cxd4 13. Nxd4 Nxd4 14. Qxd4 Nf6 15. Bf4 O-O 16. g4 Bg6 17. g5 Nh5 18. gxh6 gxh6
19. Bxh5 Bxh5 20. Bxh6 Re8 21. Qg7# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Piccoli, Lucas"]
[Black "Lima, Vinicius Taishun"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8.
Qb3 Nxc3 9. Bc4 Nd5 10. Bxd5 e6 11. Bxc6+ bxc6 12. O-O Qd5 13. Bf4 Qxb3 14.
axb3 f6 15. Rfc1 Kd7 ({RR} 15... g5 16. Bg3 h5 17. h4 g4 18. Nd2 Bh6 19. Rxc6
Bd7 20. Rc2 Bxd2 21. Rxd2 Bc6 22. Rc2 Kd7 23. Rc5 a6 24. Bf4 f5 25. Kh2 Rhc8
26. Rac1 Ra7 27. Kg3 Rb7 28. R5c3 Rb4 29. Be5 Bb7 30. Rxc8 {Mohammad,N (2434)
-Varga,Z (2378) Budapest HUN 2023 1/2-1/2 (52)}) 16. Nd2 $146 ({RR} 16. Ne1 Bb7
17. Nd3 g5 18. Be3 Bd6 19. Nc5+ Bxc5 20. dxc5 Ke7 21. Kf1 Rhd8 22. Ke2 Rd5 23.
Rd1 Rxd1 24. Rxd1 Ba6+ 25. Kf3 h6 26. Rd6 Bb5 27. h4 a5 28. hxg5 hxg5 29. Bd4
a4 30. bxa4 Rxa4 {Adrian,C (2240)-Mathieu,P (2240) PlayChess INT 2021 0-1 (51)}
) 16... g5 17. Bg3 Be7 18. Nc4 Bd8 19. Nd6 Bc7 20. Ne4 Rf8 21. Rc4 Bxg3 22.
hxg3 Ke7 23. Nc5 a6 24. Rac1 Rb8 25. R1c3 h5 26. Re3 Kd6 27. Ne4+ Kc7 28. Rec3
Rb6 29. Rf3 g4 30. Rfc3 f5 31. Nc5 Bd7 32. Ra4 Ra8 33. Kf1 Kd6 34. Ke2 Bc8 35.
Rac4 Bd7 36. Kd2 Rh8 37. Nd3 h4 38. Ne5 Rh7 39. gxh4 Rxh4 40. Ra4 Rh2 41. Nc4+
Kc7 42. Nxb6 Kxb6 43. Rg3 Be8 44. Ra1 Kb5 45. Ke3 c5 46. dxc5 e5 47. Kd2 Bc6
48. Re1 Be4 49. Kc3 Kxc5 50. b4+ Kd5 51. f3 gxf3 52. gxf3 Rc2+ 53. Kb3 Bd3 54.
Rd1 Kd4 55. Rxd3+ Kxd3 56. f4+ Kd2 57. Rg2+ Ke3 58. Kxc2 exf4 59. Rg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Pinheiro, Pedro"]
[Black "Pimentel, Lucas Santos"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Bg4 6. O-O ({RR} 6. Nbd2 e6 7.
c3 Bxf3 8. Nxf3 Bd6 9. O-O Nge7 10. Re1 {1/2-1/2 (10) Palac,M (2557)-Cvitan,O 
(2550) Stari Mikanovci 2010}) 6... e6 7. Qd3 ({RR} 7. h3 Bh5 8. Bf4 Bd6 9.
Bxc6+ bxc6 10. Bxd6 Qxd6 11. Nbd2 Nf6 12. Nb3 Ne4 13. Qd3 O-O 14. Nfd2 Nf6 15.
Nc5 Rfe8 16. c3 a5 17. Rfe1 a4 18. b4 Bg6 19. Qe3 Re7 20. a3 Ne8 21. c4 Nc7 {
Ostensen,N (2216)-Weetik,V (2423) chess.com INT 2023 1-0 (42)}) 7... Bxf3 8.
Qxf3 Qc7 $146 ({RR} 8... Nf6 9. Bg5 Be7 10. Nd2 a6 11. Bxc6+ bxc6 12. Bxf6 Bxf6
13. c3 O-O 14. b4 e5 15. dxe5 Bxe5 16. Nb3 Bc7 17. Nd4 a5 18. g3 Qd7 19. a3
Rfe8 20. Rfe1 Be5 21. Nb3 axb4 22. axb4 Rxa1 23. Rxa1 {Elkiess,G (1633)
-Fulpius,B (1994) Geneve 2014 0-1 (54)}) 9. Be3 Nf6 10. Nd2 Bd6 11. g3 O-O 12.
Bg5 Nxd4 13. Qd3 Nxb5 14. Bxf6 gxf6 15. Qxb5 Qxc2 16. Nf3 Qc6 17. Qe2 Qb6 18.
b3 Rac8 19. Rfd1 Rc7 20. Rd4 f5 21. Rh4 Be7 22. Rh5 Rfc8 23. Rf1 Rc2 24. Qe5
Qc7 25. Qe3 Qc3 26. Qh6 Qg7 27. Qf4 Qg6 28. Rh3 h5 29. Kg2 R2c3 30. Ng1 Bg5 31.
Qb4 R8c7 32. Nf3 f4 33. Nxg5 Qxg5 34. Qxf4 Qxf4 35. gxf4 Rxh3 36. Kxh3 Rc2 37.
Kh4 Rxa2 38. Kxh5 Rb2 39. Rg1+ Kh7 40. Rg3 Rxf2 41. h4 Rxf4 42. Kg5 Rf5+ 43.
Kg4 d4 44. Rd3 Rd5 45. Kf4 a5 46. Ke4 b5 47. Rd1 d3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Proudian, Armen"]
[Black "Nemeth Jr, Henrique"]
[Result "1/2-1/2"]
[ECO "B48"]
[PlyCount "164"]
[EventDate "2021.??.??"]

1. e4 {Postny,E} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7.
Qf3 Ne5 ({RR} 7... Nf6 8. O-O-O Ne5 9. Qg3 b5 10. f4 Neg4 11. Bg1 b4 12. Nb1 e5
13. fxe5 Nxe5 14. Nf3 d6 15. Bd4 Nh5 16. Qe1 Rb8 17. Nbd2 Be6) 8. Qg3 h5 9. f4
({RR} 9. f3 b5 10. O-O-O d6 ({RR} 10... Nf6 11. Bf4 d6) 11. f4 Ng4 12. e5 dxe5
13. fxe5 ({RR} 13. Ndxb5 axb5 14. Bxb5+ Ke7 15. fxe5 Nxe5 16. Bb6 Qxb6 17. Qxe5
Nf6 18. Rhf1) 13... Nxe3 14. Qxe3 Bd7 15. Be2) 9... h4 10. Qh3 Bb4 ({RR} 10...
Nc4 11. Bxc4 Qxc4 12. O-O-O b5 13. f5 ({RR} 13. Kb1 Bb7 14. Nf3 Qc7 15. e5 Ne7
16. Ng5 Rc8 17. Rd2 Nd5 18. Nxd5 Bxd5) 13... Bb7 14. Rhf1 ({RR} 14. fxe6 dxe6
15. Rhf1 Rd8) 14... e5 ({RR} 14... Rc8 15. fxe6 ({RR} 15. Nf3) 15... dxe6 16.
Rxf7 Kxf7 17. b3 Ba3+ 18. Kb1 Qxc3 19. Qxe6+ Kf8 20. Rf1+ Nf6 21. Rxf6+ gxf6
22. Qxf6+ Kg8 23. Qg6+ Kf8 24. Qf6+ Kg8 25. Qg6+ Kf8 26. Qf6+) 15. Nb3 ({RR} 
15. Nf3 d6) 15... Qc7 16. Bg5 ({RR} 16. Kb1 Rc8 ({RR} 16... Nf6) 17. f6 Nxf6
18. Rxf6 gxf6 19. Bb6 Qc6 20. Na5 Qe6 21. Nxb7 Rb8 22. Nd5 Rxb7 23. Qc3 Qc6 24.
Nxf6+ Ke7 25. Bd8+ Ke6 26. Qh3#) 16... Rc8 17. Rf2 ({RR} 17. f6 gxf6 ({RR} 
17... b4 18. fxg7 Bxg7 19. Rxf7) 18. Bxf6 Nxf6 19. Rxf6 b4 20. Rxf7 bxc3 21.
Rfxd7 ({RR} 21. Rdxd7 cxb2+ 22. Kxb2 Qxc2+ 23. Ka1 Rc6 24. Rd2 Kxf7 25. Rxc2
Rxc2 26. Qf5+ Kg8) 21... cxb2+ 22. Kxb2 Qxc2+ 23. Ka1 Rh6 24. Qf3 Qc3+ 25. Qxc3
Rxc3 26. Rxb7 Rf6) 17... Be7 18. Bxe7 ({RR} 18. Qg4 Bxg5+ 19. Qxg5 Kf8 ({RR} 
19... Nf6 20. Qxg7 Ke7 21. Qg5 Rcg8 22. Qd2) 20. a3 Nf6 21. Qd2) 18... Kxe7 19.
Rfd2 Nf6 20. a3 Rh6 21. Qe3 Kf8 22. Kb1 Kg8 23. Rg1 ({RR} 23. Nc1 Qb8 24. N1a2
a5) 23... Ng4 24. Qf3 Qb6 25. Re1 {Saric,I (2666)-Giri,A (2784) Wijk aan Zee
2015 CBM 165 [Postny,E] 0-1 (47)} ({RR} 25. Rgd1 Nf6 26. Rd6 Qc7 27. Qe2 Nxe4 (
{RR} 27... Bc6) 28. Rxh6 ({RR} 28. Rxd7 Qxc3 29. Rxb7 Qc4) 28... Nxc3+ 29. bxc3
gxh6 30. Rd3)) ({RR} 10... Nc4 11. Bxc4 Qxc4 12. O-O-O d6 13. Qf3 b5 14. e5 d5
15. Kb1 g6 16. f5 gxf5 17. Nxf5 exf5 18. Nxd5 Bb7 19. Nf6+ Nxf6 20. Qxb7 Qe4
21. Qc7 Bb4 22. Rd4 Qxg2 23. Rg1 Qf3 24. exf6 Qxe3 25. Qc6+ {Rasulov,V (2560)
-Srihari,L (2438) chess.com INT 2023 1-0}) 11. O-O-O Ng6 12. f5 Ne5 13. Nf3
$146 ({RR} 13. Nde2 b5 14. g3 Bb7 15. a3 Nc4 16. Bf4 Qa5 17. Bc7 Qxc7 18. axb4
Nf6 19. fxe6 dxe6 20. Bg2 O-O 21. b3 Ne3 22. Rd3 Nxg2 23. Qxg2 a5 24. Nxb5 Qe5
25. Nd6 Nxe4 26. Nxe4 Bxe4 27. Qf1 Bxd3 {Vucinic,G (2377)-To,N (2339) Kavala
2014 0-1 (32)}) 13... Bxc3 14. bxc3 Nf6 15. Nxe5 Qxe5 16. Bd4 Qxe4 17. Bd3 Qd5
18. Rhe1 Qxa2 19. c4 b5 20. Qf3 Rb8 21. Qf4 Rb7 22. cxb5 axb5 23. Bb2 Rb6 24.
fxe6 Rxe6 25. Rxe6+ Qxe6 26. Qb4 Nd5 27. Qc5 Kd8 28. Qxb5 Qe3+ 29. Kb1 Rh5 30.
Qa5+ Qb6 31. Qxb6+ Nxb6 32. Bxg7 Bb7 33. Be2 Rf5 34. Rf1 Rxf1+ 35. Bxf1 Nd5 36.
Bh6 f6 37. Kc1 Ke7 38. Kd2 Kf7 39. Bd3 Ne7 40. g3 hxg3 41. hxg3 Bd5 42. Bf4 Ng6
43. Bc7 Ne5 44. Bf5 Be6 45. Be4 Ke7 46. Kc3 d6 47. Bb6 Kd7 48. Be3 d5 49. Bg2
Kd6 50. Kb4 Bf5 51. c3 Bd3 52. Bf4 Bc4 53. Bh3 Kc6 54. Bh6 Nd3+ 55. Ka5 Nc5 56.
Kb4 Nd3+ 57. Ka3 Nf2 58. Bg2 Ne4 59. Bg7 Nxg3 60. Bxf6 Ne4 61. Bd4 Nd6 62. Kb4
Ba2 63. Bf3 Bc4 64. Bd1 Bd3 65. Be5 Bc4 66. Ba4+ Bb5 67. Bc2 Bc4 68. Bg6 Be2
69. Kb3 Bd1+ 70. Ka2 Bf3 71. Bc2 Be2 72. Kb1 Ne4 73. Kc1 Kb5 74. Bd4 Kc4 75.
Kb2 Nc5 76. Ka3 Bf3 77. Bf5 Be4 78. Bc8 Bg6 79. Bg4 Be4 80. Bh5 Ne6 81. Be5 d4
82. Bf7 Bd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Quintiliano, Renato"]
[Black "Guimaraes, Diogo Duarte"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. b3
Ne4 9. Nxe4 dxe4 10. Nd2 f5 11. f3 ({RR} 11. Bb2 Bxh2+ 12. Kxh2 Qh4+ 13. Kg1
Rf6 14. f3 Rh6 15. Qe1 Qh2+ 16. Kf2 Qh4+ 17. Kg1 Qh2+ 18. Kf2 Qh4+ 19. Kg1 Qh2+
20. Kf2 {1/2-1/2 (20) Nihal,S (2652)-Ponkratov,P (2659) Riga LAT 2021}) 11...
Qh4 ({RR} 11... exf3 12. Nxf3 e5 13. c5 Bc7 14. Bc4+ Kh8 15. e4 exd4 16. Ng5
Ne5 17. Qh5 h6 18. Ne6 Bxe6 19. Bxe6 Qe8 20. Qxe8 Raxe8 21. exf5 Nd3 22. Ba3
Bf4 23. g3 Be3+ 24. Kg2 g6 25. Rad1 Nf2 26. Rde1 {Bobkov,V (2267)-Bilan,D 
(2303) chess.com INT 2023 1-0 (36)}) 12. f4 c5 $146 ({RR} 12... e5 13. dxe5
Nxe5 14. Nxe4 Bc7 15. Ng5 Ng4 16. h3 Nf6 17. Bb2 h6 18. Nf3 Qg3 19. Qe1 Ne4 20.
Bd3 Qxe1 21. Rfxe1 c5 22. Rad1 Be6 23. Bxe4 fxe4 24. Nd2 Ba5 25. Rf1 Bxd2 26.
Rxd2 Rad8 27. Rfd1 {Bereolos,P-Zelkind,E Chicago,IL 1985 1/2-1/2}) 13. d5 e5
14. g3 Qe7 15. Bb2 Rf6 16. Rf2 Rg6 17. Kh1 Nf6 18. Rg2 Bd7 19. Qc2 h5 20. Rag1
Kf7 21. Qc3 exf4 22. gxf4 Ng4 23. Nf1 Rh8 24. Qe1 Rgh6 25. h3 R8h7 26. hxg4
hxg4+ 27. Rh2 g5 28. Rxh6 Rxh6+ 29. Kg2 gxf4 30. exf4 Bxf4 31. Bc1 Bxc1 32.
Qxc1 Qh4 33. Qf4 Qh3+ 34. Kf2 Ra6 35. Qc7 Ke8 36. Ng3 Rxa2 37. Rh1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Ribeiro, Matheus D"]
[Black "Ribeiro, Fabiano Pinto"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. e3 d6 5. d4 Bg4 ({RR} 5... cxd4 6. exd4 Bg4 7.
Be2 f5 8. d5 Bxf3 9. gxf3 Nce7 10. h4 g6 11. h5 Bh6 12. f4 Nf6 13. hxg6 Bxf4
14. Bxf4 exf4 15. gxh7 Qb6 16. Qb3 Qd4 17. Nb5 Qb6 18. Qc3 Kf7 19. Bh5+ Nxh5
20. Rxh5 {Howell,D (2693)-Fawzy,A (2461) Astana KAZ 2019 1-0}) 6. Be2 Nf6 7.
Nxe5 $146 ({RR} 7. O-O cxd4 8. exd4 Be7 9. Be3 O-O 10. Rc1 Re8 11. h3 Bh5 12.
dxe5 dxe5 13. Qb3 Nd4 14. Nxd4 exd4 15. Rfd1 Bc5 16. Bxh5 Nxh5 17. Ne2 dxe3 18.
Rxd8 exf2+ 19. Kf1 Raxd8 20. Qf3 Nf6 21. Ng3 Rd2 {Roehrl,K (2385)-Palme,R
Moesern 1977 0-1}) ({RR} 7. d5 Nb8 8. h3 Bh5 9. e4 Be7 10. g4 Bg6 11. Bd3 h6
12. Nh4 Nxe4 13. Nxg6 Nxc3 14. bxc3 fxg6 15. Bxg6+ Kd7 16. O-O Rf8 17. Rb1 Kc8
18. Bf5+ Rxf5 19. gxf5 Nd7 20. Bd2 Nb6 21. Qg4 Bf6 {Flis,P (1698)-Michalska,A 
(1836) Warsaw POL 2023 0-1 (51)}) 7... Nxe5 8. dxe5 Bxe2 9. Qxe2 dxe5 10. O-O
a6 11. Rd1 Qc7 12. e4 h6 13. Be3 Be7 14. Nd5 Qc6 15. Qf3 b6 16. Qg3 Nxd5 17.
Rxd5 Bf6 18. Rad1 Rb8 19. Rxe5+ Kf8 20. Red5 Re8 21. e5 Be7 22. h3 Qa4 23. Qg4
Qxa2 24. e6 fxe6 25. Qxe6 Qxb2 26. Qg6 Bf6 27. Rd7 Be7 28. R1d5 Qb1+ 29. Qxb1
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Rocha, Vitor Firmo"]
[Black "Cadilhac, Igor"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3
O-O 9. d3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Re8 13. Ng3 h6 14. h3 Be6 15. d4
cxd4 16. cxd4 exd4 17. Nxd4 Nxd4 18. Qxd4 Rc8 19. Bb3 d5 20. e5 Nd7 21. Be3 Bc5
22. Qd1 $146 ({RR} 22. Qf4 g5 23. Qf3 Nxe5 24. Qh5 Qf6 25. Qe2 Bxe3 26. Qxe3
Nc4 27. Nh5 Qg6 28. Bxc4 Qxh5 29. Bb3 Qg6 30. Qb6 Ra8 31. Rad1 Red8 32. Rd4 Qf5
33. Red1 Qe5 34. Qa5 Rd7 35. a4 bxa4 36. Bxa4 Rd6 {Talyansky,S (2198)-Nakar,E 
(2476) Madison 2017 1/2-1/2 (76)}) 22... Bb4 23. Bd2 Bf8 24. f4 Bc5+ 25. Kh2
Bf2 26. Rf1 Bxg3+ 27. Kxg3 Nc5 28. Kh2 Bf5 29. Bc3 Nxb3 30. axb3 Re6 31. g4 Be4
32. Rc1 Qb6 33. Qd4 Qxd4 34. Bxd4 Bc2 35. b4 Rc4 36. Bc5 Rc6 37. Rf2 Be4 38.
Rxc4 bxc4 39. Bd4 Kf8 40. f5 Kg8 41. h4 h5 42. g5 g6 43. fxg6 Bxg6 44. Rf6 Rxf6
45. exf6 Kf8 46. Kg3 Ke8 47. Kf4 Kd7 48. Ke5 Kc6 49. Bc3 Be4 50. Be1 Bg6 51.
Bc3 Be4 52. Be1 Bg6 53. Bc3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Rodrigues, Edgar"]
[Black "Sega, Carlos Alberto"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O b6 5. c4 Bb7 6. cxd5 Nxd5 7. Nc3 Nxc3 $146
({RR} 7... Be7 8. Nxd5 Bxd5 9. Qa4+ Qd7 10. Qg4 O-O 11. d3 f5 12. Qh3 Qd8 13.
Re1 g5 14. e4 g4 15. Qh6 gxf3 16. exd5 Rf6 17. Qh3 fxg2 18. Bg5 Rg6 19. Bxe7
Qxe7 20. Qxf5 exf5 21. Rxe7 Na6 22. Rae1 {Wagner,G (1730)-Blackburn,J (1520)
Wales 2007 1/2-1/2}) ({RR} 7... Be7 8. Nxd5 Bxd5 9. Re1 c5 10. e4 Bb7 11. d4
cxd4 12. Nxd4 O-O 13. Be3 Nd7 14. Qe2 Nc5 15. Red1 Qe8 16. e5 {1/2-1/2 (16)
Portisch,L (2610)-Karpov,A (2750) Reggio Emilia 1989}) ({RR} 7... Be7 8. Nxd5
exd5 9. d4 Nd7 10. b3 O-O 11. Bb2 Re8 12. Rc1 Bd6 13. Qc2 c6 14. Rfe1 Qe7 15.
Nh4 Nf6 16. Nf5 Qd7 17. Nxd6 Qxd6 18. f3 Re3 19. Rcd1 Rae8 20. Bc1 R3e7 21. e4
dxe4 22. fxe4 {Malakhov,V (2646)-Kovalev,V (2582) chess.com INT 2023 0-1 (48)})
8. bxc3 Be7 9. Qc2 Nd7 10. Re1 c5 11. Bb2 Qc7 12. d3 O-O 13. e4 b5 14. Qe2 Nb6
15. Rad1 Na4 16. Ba1 c4 17. d4 a5 18. Ne5 f6 19. Ng4 b4 20. Ne3 bxc3 21. d5 e5
22. d6 Bxd6 23. Rxd6 Qxd6 24. Qxc4+ Kh8 25. Qxa4 Qb4 26. Qc2 Rac8 27. Rb1 Qe7
28. Bxc3 Rc5 29. Qb3 Rfc8 30. Qxb7 Qxb7 31. Rxb7 Rxc3 32. Bh3 Ra8 33. Be6 a4
34. h4 h5 35. Nf5 Ra6 36. Rb8+ Kh7 37. Bg8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Romais, Rodrigo"]
[Black "Fontoura, Alexandre"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. e4 g6 2. Nf3 Bg7 3. Nc3 d6 4. d4 e6 5. a4 ({RR} 5. h4 h6 6. Be3 a6 7. Bd3 b5
8. e5 Bb7 9. Qd2 Nd7 10. exd6 cxd6 11. d5 e5 12. h5 f5 13. Nh4 Ne7 14. hxg6 f4
15. Ne4 Nf6 16. Nxf6+ Bxf6 17. Bxf4 exf4 18. Qxf4 Nxd5 19. Qf3 Qe7+ {Shirov,A 
(2751)-Spassky,B (2551) Paris 2000 1/2-1/2 (37)}) 5... Nd7 $146 ({RR} 5... a6
6. a5 Nd7 7. Be3 Ne7 8. Be2 d5 9. O-O O-O 10. Qc1 Nf6 11. e5 Ne4 12. Nxe4 dxe4
13. Nd2 Nf5 14. c3 c5 15. Nxe4 cxd4 16. Bg5 Qc7 17. g4 Qxe5 18. Bf3 dxc3 19.
bxc3 Bd7 20. gxf5 {Kobo,O (2445)-Chernomordik,P (2218) Israel ISR 2020 1-0 (44)
}) ({RR} 5... Nf6 6. h3 O-O 7. Be3 Nc6 8. Be2 e5 9. dxe5 dxe5 10. Qxd8 Rxd8 11.
Bc4 Be6 12. Bxe6 fxe6 13. O-O Nd4 14. Rac1 Nxf3+ 15. gxf3 Nh5 16. Ne2 Rf8 17.
Kg2 Nf4+ 18. Nxf4 exf4 19. Bc5 Rfd8 20. Rfd1 {Laddha,S (2085)-Szeberenyi,A 
(2349) Budapest HUN 2022 1/2-1/2 (38)}) 6. Bc4 c5 7. Be3 Ngf6 8. Qd2 Ng4 9. Bf4
cxd4 10. Ne2 Nc5 11. Bd3 e5 12. h3 Nf6 13. Bg5 a5 14. Bb5+ Bd7 15. Bd3 Bxa4 16.
Rxa4 Nxa4 17. Bb5+ Kf8 18. Bxa4 Nxe4 19. Bxd8 Nxd2 20. Nxd2 Rxd8 21. g4 Rc8 22.
c3 b5 23. Bxb5 Rb8 24. c4 d5 25. b3 d3 26. Nc3 e4 27. Nxd5 e3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Santanna, Paulo"]
[Black "Lage, Pedro"]
[Result "1/2-1/2"]
[ECO "D95"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. b3 O-O 7. h3 ({RR} 7. Bb2
Bg4 8. Be2 Nbd7 9. O-O e6 10. h3 Bxf3 11. Bxf3 Re8 12. g3 Qe7 13. Bg2 Rad8 14.
Qc2 a6 15. Rfd1 Rc8 16. Qe2 Rcd8 17. Rac1 Qb4 18. Na4 Qe7 19. Qc2 Rc8 20. Nc3
Rcd8 21. Nb1 Rc8 {Volkov,S (2623)-Sargissian,G (2680) Rijeka 2010 1/2-1/2 (73)}
) ({RR} 7. Bb2 Re8 8. Be2 Bf5 9. O-O Nbd7 10. Rc1 Ne4 11. Nxe4 Bxe4 12. Nd2 Bf5
13. Bf3 Nf6 14. Re1 Qa5 15. a3 Bh6 16. h4 Rac8 17. b4 Qd8 18. g4 Be6 19. g5 Bg7
20. gxf6 Bxf6 21. Bg4 Qd7 {Quispe Arteaga,G (2377)-Sztokbant,B (2213) chess.
com INT 2023 1-0 (51)}) 7... c5 8. cxd5 $146 ({RR} 8. Bd3 Nc6 9. Bb2 cxd4 10.
exd4 dxc4 11. Bxc4 Nh5 12. Ne2 b6 13. O-O Bb7 14. Ne5 e6 15. f4 Ne7 16. Ba3 Re8
17. Qe1 a6 18. Qf2 Nd5 19. Rac1 Rc8 20. Rfd1 Bh6 21. g3 Ndf6 22. Bd3 Qd5 {
Rodrigo da Silva,E (1962)-Garkauskas,O (2229) Sao Paulo 2015 0-1 (39)}) 8...
cxd4 9. Nxd4 Nxd5 10. Nxd5 Qxd5 11. Bb2 Rd8 12. Qc2 Bf5 13. Qc4 Qd7 14. Be2 Nc6
15. Rd1 Nxd4 16. Bxd4 Rac8 17. Qb4 Bxd4 18. Rxd4 Rc1+ 19. Bd1 Qc7 20. O-O Rxd4
21. Qxd4 Bb1 22. Qd2 Qc3 23. Qxc3 Rxc3 24. Bf3 Bd3 25. Rd1 b5 26. Rd2 b4 27. g4
e5 28. Bd5 e4 29. f3 exf3 30. Kf2 Rc2 31. Rxc2 Bxc2 32. Kxf3 Bb1 33. Ke2 Bxa2
34. Kd3 a5 35. e4 Bb1+ 36. Kc4 Kg7 37. Kb5 f5 38. exf5 gxf5 39. Kxa5 Kf6 40.
Kxb4 Kg5 41. gxf5 Bxf5 42. Bg2 Be6 43. Kc3 Bxb3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Santiago, Yago"]
[Black "di Berardino, Diego"]
[Result "1/2-1/2"]
[ECO "E48"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 c5 7. cxd5 cxd4 8.
exd4 Nxd5 9. a3 Nxc3 ({RR} 9... Bd6 10. Qc2 h6 11. O-O Nc6 12. Rd1 Nxc3 13.
Nxc3 Ne7 14. Qe2 Re8 15. Qe4 Ng6 16. Be3 a6 17. g3 f5 18. Qf3 Rb8 19. Qh5 Ne7
20. d5 e5 21. Ba7 Ra8 22. Bb6 g6 23. Bxd8 gxh5 24. Bb6 {So,W (2810)-Anand,V 
(2783) Leon 2017 1/2-1/2 (32)}) 10. bxc3 Bd6 ({RR} 10... Be7 11. Bc2 b6 12. Qd3
g6 13. Qf3 Qc7 14. Bf4 Qc4 15. Be4 Nc6 16. Bxc6 e5 17. Bxe5 Bg4 18. Qxg4 Qxc6
19. O-O Rad8 20. Rfe1 Qa4 21. Ng3 f5 22. Qf3 Rfe8 23. Nxf5 gxf5 24. Qg3+ Kf7
25. Qg7+ {Terron Elena,F (2168)-Gomez Arce,A (2174) Benalmadena ESP 2023 1-0 
(31)}) 11. Qc2 h6 12. Be3 $146 ({RR} 12. O-O e5 13. dxe5 Bxe5 14. Bf4 Nd7 15.
Rad1 Qa5 16. Rfe1 Nf6 17. Bxe5 Qxe5 18. Nd4 Qf4 19. Qb3 b6 20. g3 Qg5 21. f4
Qc5 22. Re5 Be6 23. Qb2 Qc8 24. Nxe6 fxe6 25. Qb3 Kh8 26. Bc4 {1/2-1/2 (26)
Vasiljevic,D (2315)-Arkhipov,S (2440) Kecskemet 1990}) 12... Nc6 13. O-O Qc7
14. h3 b6 15. c4 Bb7 16. Nc3 Rac8 17. Nb5 Qe7 18. Nxd6 Qxd6 19. Rfd1 Na5 20. c5
Qd7 21. Rab1 Bd5 22. Qe2 Qe7 23. Qg4 f5 24. Qg3 Qf6 25. Bf4 Rf7 26. cxb6 axb6
27. Ba6 Rc6 28. Bb5 Rc8 29. Be2 Rc6 30. h4 Ra7 31. Bxh6 Qxh6 32. Qb8+ Kh7 33.
Qxa7 Rc2 34. Qa6 Qf4 35. Re1 Bc4 36. Qxb6 Bxe2 37. Qxa5 Bd3 38. Rf1 Bxf1 39.
Rxf1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Santos, Jarlison"]
[Black "Ferreira, Fernando G"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Bd3 O-O 8.
O-O Ng4 ({RR} 8... d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. c3 Be6 13.
Qe2 a6 14. Rad1 h5 15. Bg5 Rfe8 16. Be4 Qc7 17. Bxg6 Bg4 18. f3 Be6 19. Bh4
Bxa2 20. Bf2 fxg6 21. Qe4 Bf7 22. Rd2 Rad8 23. Rfd1 {StefanBotz17 (1929)
-Caetano,H (2384) lichess.org 2020 0-1}) ({RR} 8... d5 9. exd5 Nb4 10. a3 Nbxd5
11. Nxd5 Nxd5 12. c3 Nxe3 13. fxe3 e5 14. Nb3 Qb6 15. Re1 Be6 16. Bc2 Rad8 17.
Nd2 Qxb2 18. a4 Qxc3 19. Re2 Bg4 {0-1 (19) Sava,A (1916)-Polak,K (2111) chess.
com INT 2023}) 9. Nxc6 $146 ({RR} 9. Qxg4 Nxd4 10. Bxd4 Bxd4 11. Nb5 Bxb2 12.
Rab1 Bg7 13. Qg3 d6 14. Na3 b6 15. Rbd1 Be6 16. Nc4 Bxc4 17. Bxc4 Qc7 18. Bd5
Rac8 19. Rc1 Bb2 20. Rce1 Qxc2 21. Bb3 Qc3 22. Re3 Qg7 23. Qh3 Rc7 {Castejon
Caballero,A-Labarta Gonzalez,I (2148) San Sebastian 2000 0-1}) 9... dxc6 10.
Bf4 Qb6 11. Rb1 Rd8 12. Qf3 Ne5 13. Qg3 f6 14. Bxe5 fxe5 15. Bc4+ Kh8 16. Rfd1
Rd4 17. Rxd4 exd4 18. Ne2 Bd7 19. Nf4 c5 20. Bf7 Be8 21. Nxg6+ Qxg6 22. Bxg6
Bxg6 23. f3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Santos, Marcus Vinicius"]
[Black "Teske, Luiz Fernando"]
[Result "1/2-1/2"]
[ECO "D80"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. h4 c5 5. cxd5 Nxd5 6. dxc5 Nxc3 7. Qxd8+ Kxd8
8. bxc3 Bg7 9. Bd2 Nd7 10. c6 $146 ({RR} 10. Nf3 Nxc5 11. e3 Ne4 12. Rc1 Be6
13. a3 Rc8 14. c4 Nxd2 15. Nxd2 Bb2 16. Rb1 Bxa3 17. Rxb7 a5 18. Be2 Bb4 19.
O-O Rc7 20. Rb8+ Rc8 21. Rb7 Ke8 22. Nf3 Kf8 23. Nd4 Kg7 24. Nxe6+ fxe6 {
Shadhursshaan R (2058)-Shuvalov,E (2079) chess.com INT 2023 1-0 (57)}) 10...
bxc6 11. g3 Rb8 12. Bg2 c5 13. Nf3 h6 14. O-O e6 15. Rab1 Rxb1 16. Rxb1 Ba6 17.
Kf1 Ke7 18. Ne1 Rb8 19. Rxb8 Nxb8 20. Nd3 Nd7 21. Be3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Santos, Matheus Garcett"]
[Black "Nascimento, Davi Araujo"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Bb2 Ne7 8. Bd3
Ng6 9. Nf3 Nd7 10. g3 ({RR} 10. O-O O-O 11. Nbd2 Nf4 12. Re1 Nxd3 13. cxd3 a5
14. Nb3 Qe7 15. Qd2 a4 16. Nbd4 Nb8 17. Nb5 Bd7 18. Nd6 Ra7 19. Bd4 Bxd4 20.
Nxd4 f6 21. f4 fxe5 22. fxe5 Nc6 23. Nxc6 Bxc6 24. Qe3 Raa8 {Manelyuk,D (2322)
-Dudzinski,P (2186) chess.com INT 2023 1-0 (37)}) 10... a5 11. O-O Qc7 $146 ({
RR} 11... Qe7 12. b5 O-O 13. Nbd2 Nc5 14. a4 Bd7 15. Qe2 Rac8 16. Ba3 f6 17.
Rae1 f5 18. c4 Rfe8 19. cxd5 exd5 20. Nb3 Nf8 21. Nbd4 g6 22. h4 Nfe6 23. Nxe6
Bxe6 24. Bxc5 Bxc5 25. Ng5 b6 26. Rc1 {Perez,M (2417)-Nguyen Thi Thanh An 
(2285) chess.com INT 2020 1/2-1/2 (55)}) 12. Qe2 O-O 13. h4 f6 14. Bxg6 hxg6
15. Kg2 Kf7 16. Nc3 Qc6 17. Rae1 axb4 18. axb4 Bc7 19. exf6 Nxf6 20. b5 Qb6 21.
Ng5+ Kg8 22. Qd3 Ng4 23. Nd1 Rf5 24. f3 Nf6 25. Ne3 Qd6 26. Nxf5 gxf5 27. Be5
Qc5 28. Bxc7 Ra3 29. Bb6 Qd6 30. Qd4 Nh5 31. Re5 Ra4 32. Qc5 Qb8 33. Qe7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Setti, Eduardo"]
[Black "Dantas, Neimar"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 cxd4 7. cxd4 e6 8.
Nc3 Qa5 9. a3 Be7 ({RR} 9... Ne4 10. Qb3 Bb4 11. Rc1 Bd6 12. Bd3 Nxc3 13. Qxc3
Qxc3+ 14. Rxc3 Ne7 15. Be4 Nd5 16. Bxd5 exd5 17. Ne5 Bf5 18. Kd2 f6 19. Nd3
Bxd3 20. Kxd3 Kd7 21. Rhc1 g5 22. h3 b6 23. a4 h5 24. Bd2 {Howell,D (2650)
-Andreikin,D (2729) chess.com INT 2022 1/2-1/2 (43)}) 10. Bd3 O-O 11. O-O Rd8
12. Nb5 $146 ({RR} 12. Qe2 Qc7 13. h3 b6 14. Rac1 Bb7 15. Rfd1 Rac8 16. Bb1 Qb8
17. Bg5 Nd5 18. Qe4 g6 19. Qh4 Bxg5 20. Nxg5 h5 21. Nxd5 Rxd5 22. Ne4 Kf8 23.
Qf6 Rf5 24. Qh4 Rd8 25. Ng5 Qf4 26. Qxf4 Rxf4 {Wittke,V (2101)-Ankerst,M (2072)
Bayern 2003 1-0 (73)}) ({RR} 12. Qe2 Qh5 13. Rad1 b6 14. Bb1 Bb7 15. Rfe1 Rac8
16. h3 Bd6 17. Qd3 Bb8 18. Ne4 Nxe4 19. Qxe4 Na5 20. Qg4 Qxg4 21. hxg4 Nc4 22.
Bc1 h6 23. b3 Na5 24. Rd3 Be4 25. Rxe4 Rxc1+ 26. Re1 Rdc8 {Moral Garcia,S 
(2250)-Fernandez Garcia,G (2162) chess.com INT 2023 0-1 (59)}) 12... Rd7 13. b4
Qd8 14. Qc2 a6 15. Nc3 h6 16. Rfd1 Nd5 17. Nxd5 Rxd5 18. Be4 Rd7 19. Bxc6 Rc7
20. d5 exd5 21. Bb6 bxc6 22. Bxc7 Qxc7 23. Rxd5 Be6 24. Rd2 a5 25. b5 c5 26.
Nd4 Qe5 27. Nb3 Bxb3 28. Qxb3 Qxa1+ 29. Rd1 c4 30. Qf3 Qxa3 31. Qxa8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Silva, Alex Castro"]
[Black "Barbosa, Evandro Amorim"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "112"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Bc4 Nf6 7. Bb3 Be7 8.
O-O O-O 9. f4 a6 10. f5 Nxd4 11. Qxd4 Qc7 12. Kh1 Bd7 13. Bg5 b5 ({RR} 13... e5
14. Qd3 Bc6 15. Rad1 Rad8 16. Qg3 Nh5 17. Qh4 Bxg5 18. Qxh5 Qe7 19. Rd3 h6 20.
Qg4 Kh7 21. a3 Rd7 22. Rh3 Rc7 23. Rd1 Bf6 24. Qe2 Rd8 25. Bd5 Bg5 26. Bxc6
bxc6 27. Qxa6 d5 28. exd5 {Kadric,D (2500)-Ivic,V (2405) Sarajevo BIH 2018 0-1
(66)}) ({RR} 13... Rac8 14. Rad1 Rfd8 15. Rd3 Qc5 16. Bxf6 Bxf6 17. Qxc5 dxc5
18. fxe6 Bxe6 19. Bxe6 fxe6 20. Rfd1 Rxd3 21. Rxd3 b5 22. Nd1 Rc6 23. Kg1 c4
24. Rd7 h6 25. Kf2 b4 26. Ke2 c3 27. b3 a5 28. Nf2 {Tasev,D (2188)-Skuhala,B 
(2080) chess.com INT 2022 1-0 (47)}) 14. Rad1 a5 $146 ({RR} 14... exf5 15. Bxf6
Bxf6 16. Nd5 Bxd4 17. Nxc7 Ra7 18. Rxd4 Rxc7 19. exf5 Re8 20. h3 Re2 21. Rxd6
h6 22. Rf3 Bc6 23. Rg3 Be4 24. Rdg6 Bxc2 25. Rxg7+ Kf8 26. f6 Ke8 27. Rg8+ Kd7
28. Bxf7 Kd6 29. Bh5 {Kaps,D (2155)-Volosjuk,J (2005) Oropesa del Mar 1998 1-0
(33)}) 15. Bxf6 Bxf6 16. Qxd6 Qxd6 17. Rxd6 Bc8 18. fxe6 Bxe6 19. Bd5 Rab8 20.
Bxe6 fxe6 21. g3 Rfe8 22. Rd7 Rec8 23. Rf2 a4 24. a3 b4 25. axb4 a3 26. bxa3
Rxc3 27. Rd3 Rbc8 28. b5 Rxd3 29. cxd3 Rc1+ 30. Kg2 Ra1 31. e5 Bxe5 32. Re2 Bf6
33. Rxe6 Rxa3 34. Rd6 Rb3 35. Rd5 Kf7 36. Kf3 Ke6 37. Ke4 Rb4+ 38. d4 g6 39. g4
g5 40. h3 h6 41. b6 Rxb6 42. Ra5 Be7 43. Re5+ Kf6 44. Rf5+ Kg6 45. Ke5 Bf6+ 46.
Kd5 Rb8 47. Kc4 Rc8+ 48. Kd3 Ra8 49. d5 Ra3+ 50. Kc4 Rxh3 51. d6 Rg3 52. Kc5
Rxg4 53. Rf1 Rf4 54. Rb1 g4 55. d7 Rd4 56. Kc6 h5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Silva, Anjossendre"]
[Black "Lima da Silva, Fabio"]
[Result "1-0"]
[ECO "D95"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. c4 {Havasi,G} c6 2. Nc3 Nf6 3. d4 d5 4. e3 g6 5. f4 Bg7 6. Nf3 Bg4 ({RR} 
6... O-O 7. Be2 e6 ({RR} 7... Bg4 8. O-O Nbd7) 8. O-O dxc4 ({RR} 8... Nbd7 9.
b3) 9. Bxc4 Nbd7 ({RR} 9... b5 10. Be2 a6 11. Ne5) 10. e4 ({RR} 10. Be2 c5)
10... b5 11. Bd3 b4 12. Na4 c5 13. Nxc5 ({RR} 13. dxc5 Qa5) 13... Nxc5 14. dxc5
Bb7 15. e5 ({RR} 15. Qc2 Qc7 16. Bd2 ({RR} 16. Be3 Ng4) 16... Rfc8 17. Bxb4 a5
18. Bd2 Bf8) 15... Nd5 16. Ng5 Qa5 ({RR} 16... Qc7 17. Qc2 Rfc8 18. Ne4 Bf8 19.
Bd2 Bxc5+ 20. Nxc5 Qxc5+ 21. Qxc5 Rxc5) 17. Ne4 Rfc8 18. Kh1 Ba6 19. a3 Bf8 20.
Bxa6 Qxa6 21. Nd6 {Rapport,R (2693)-Fressinet,L (2712) Reykjavik 2015 CBM 170 
[Havasi,G] 1-0 (39)}) 7. cxd5 cxd5 8. Bb5+ $146 ({RR} 8. Be2 O-O 9. O-O Bxf3
10. Bxf3 e6 11. Qb3 Qd7 12. a3 Nc6 13. Bd2 Rfc8 14. Rac1 Ne8 15. Rfd1 Nd6 16.
Nb5 Nxb5 17. Qxb5 a6 18. Qd3 Bf8 19. h3 b5 20. g4 Ne7 21. Rf1 Rc4 22. b3 Rxc1 {
Alexey777Abakan (2367)-Von Buelow,G (2335) lichess.org 2021 0-1 (42)}) 8...
Nbd7 9. O-O O-O 10. Qb3 Nb6 11. Ne5 Bf5 12. Bd2 Be4 13. Rac1 Rc8 14. Nxe4 Nxe4
15. Ba5 Bxe5 16. fxe5 e6 17. Bb4 Nc4 18. Bxc4 dxc4 19. Qc2 Qd5 20. Bxf8 Rxf8
21. Rf4 f5 22. exf6 Nxf6 23. Qxc4 Qxc4 24. Rxc4 Rf7 25. e4 Kg7 26. e5 Nd5 27.
Rxf7+ Kxf7 28. Rc8 b6 29. Rh8 Kg7 30. Rd8 a5 31. Rxd5 exd5 32. a4 Kf7 33. Kf2
Ke6 34. Kf3 Kf5 35. Kg3 Kg5 36. Kh3 h5 37. Kg3 Kh6 38. Kf4 Kh7 39. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Silva, Erick"]
[Black "Monteiro, Marcos Paulo"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. d4 Bb4 8.
Qc2 Nc6 9. Bd3 Qf6 ({RR} 9... Bd7) ({RR} 9... Nxd4 10. Nxd4 Nxc3 11. bxc3 Qxd4
12. O-O Qxc3 13. Bb5+ Ke7 14. Qe2 f6 15. Bf4 Bd6 16. Bxd6+ Kxd6 17. Rac1 Qa5
18. Qc4 Ke7 19. Qc5+ {1-0 (19) Aleksandrov,A (2447)-Tarasenko,I (2088) St
Petersburg RUS 2023}) 10. O-O Bxc3 $146 ({RR} 10... h6 11. Ne5 Bxc3 12. bxc3
Nxe5 13. dxe5 Qxe5 14. Bb5+ Bd7 15. Bxd7+ Kxd7 16. c4 Ne7 17. Rd1+ Ke8 18. Ba3
Rd8 19. Rxd8+ Kxd8 20. Rd1+ Ke8 21. Bb2 Qc7 22. Bxg7 Rg8 23. Bf6 Rg6 24. Bh4
Nc6 25. Qc3 {Fuller,M (2380)-Robatsch,K (2435) Brisbane 1979 1/2-1/2 (98)}) 11.
bxc3 h6 12. Ba3 Nde7 13. Be4 O-O 14. Bxc6 bxc6 15. Ne5 Re8 16. Qa4 a5 17. Bxe7
Qxe7 18. Qxc6 Ba6 19. Rfb1 Rec8 20. Qf3 f6 21. Ng4 Qc7 22. Rc1 Rab8 23. Qe4 Qf7
24. Ne3 f5 25. Qe5 f4 26. Nd1 Rb5 27. Qd6 Bb7 28. Rab1 Qg6 29. d5 Rxb1 30. Rxb1
Qxb1 31. Qxe6+ Kh8 32. Qe2 Bxd5 33. f3 Rxc3 34. h4 Rc1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Silva, Kaua Marques"]
[Black "Limp, Eduardo Thelio"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 bxc6 7. e5 Nd5 8.
Ne4 f5 9. exf6 Nxf6 10. Nd6+ Bxd6 11. Qxd6 Ba6 12. Bxa6 ({RR} 12. c4 Qb6 13.
Qa3 c5 14. Be3 Rc8 15. Be2 O-O 16. O-O d5 17. Rae1 Ne4 18. Bc1 Rce8 19. Qh3 Nf6
20. b3 d4 21. f4 e5 22. fxe5 Rxe5 23. Bd3 Bc8 24. Qh4 Rxe1 25. Rxe1 Qa5 26. Bg5
Qc3 {Milos,G (2620)-Limp,E (2447) Sao Paulo 2005 1-0 (40)}) 12... Qa5+ 13. b4 (
{RR} 13. Bd2 Qxa6 14. f3 Kf7 15. a3 Rhe8 16. O-O-O Rab8 17. Bc3 Rb7 18. Rhe1
Qb6 19. Qf4 Kg8 20. Qg5 Qd8 21. f4 Qe7 22. Bb4 Qf7 23. Bd6 Rb5 24. Qg3 Rd5 25.
Qe3 a5 26. a4 Qg6 27. Qf3 Rxd1+ {Dominguez Perez,L (2763)-Escobar Forero,A 
(2504) Khanty-Mansiysk RUS 2019 1-0 (54)}) ({RR} 13. Bd2 Qxa6 14. f3 Kf7 15. a3
Rhe8 16. O-O-O e5 17. Bg5 Re6 18. Qc7 Re7 19. Bxf6 Rc8 20. Qd6 gxf6 21. f4 e4
22. Rhe1 e3 23. Rd3 Rce8 24. Re2 Qb5 25. g4 h5 26. h3 a5 27. b3 a4 {Kadric,D 
(2601)-Jukic,B (2371) Mali Losinj CRO 2023 1-0 (37)}) 13... Qxa6 14. Bb2 Rf8
$146 ({RR} 14... Nd5 15. a3 O-O-O 16. O-O-O Rhf8 17. f3 Rf5 18. Rhe1 Nc7 19.
Qe7 Nd5 20. Qxg7 {1-0 (20) Shirov,A (2683)-Di Berardino,D (2499) Florianopolis/
SC 2017}) 15. O-O-O Rf7 16. Rhe1 Qxa2 17. f4 Re7 18. f5 Kf7 19. g4 h6 20. h4
Nxg4 21. fxe6+ dxe6 22. Rg1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Soares, Joao Carlos"]
[Black "Carvalho, Vitor Augusto"]
[Result "1/2-1/2"]
[ECO "D91"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxc3 7. bxc3 Qxd5 8.
e3 c5 9. Be2 cxd4 10. cxd4 Qa5+ ({RR} 10... Nc6 11. O-O O-O 12. Rc1 e6 13. Qd2
Bd7 14. Rc5 Qd6 15. Bf4 Qe7 16. Rfc1 Rfc8 17. e4 Qf8 18. Bd3 Rd8 19. h4 Rac8
20. h5 b6 21. R5c2 Na5 22. h6 Bf6 23. Bg5 Rxc2 24. Rxc2 Bxg5 25. Qxg5 {
Veingold,A (2465)-Anic,D (2430) Zaragoza 1991 1-0 (45)}) ({RR} 10... Nc6 11.
O-O Bg4 12. Bh4 O-O 13. Qa4 e5 14. h3 Be6 15. dxe5 Nxe5 16. Rab1 Qxa2 17. Qxa2
Bxa2 18. Rxb7 Bd5 19. Rb5 Nxf3+ 20. gxf3 Be6 21. Kg2 a5 22. Rc1 a4 23. Be7 a3
24. Bxf8 Kxf8 25. Rcc5 {Martiyan,A (2162)-Bernatskiy,A (1959) lichess.org INT
2021 0-1 (76)}) 11. Qd2 Qxd2+ 12. Kxd2 Bf5 $146 ({RR} 12... Nc6 13. Bb5 Bd7 14.
Rhc1 h6 15. Bf4 g5 16. Bg3 O-O 17. Rc5 a6 18. Bxc6 Bxc6 19. Rac1 Rad8 20. Ke1
f5 21. Be5 f4 22. exf4 Bxf3 23. Bxg7 Kxg7 24. gxf3 Rxf4 25. Rc7 Kf6 26. Rxb7
Rfxd4 27. Rc6+ {Jarosz,S-Rogan,M Ann Arbor,MI 1983 1/2-1/2 (47)}) 13. Rhc1 Nc6
14. Bb5 Bd7 15. Rab1 e6 16. Ba4 Na5 17. Bxd7+ Kxd7 18. Bf4 Rac8 19. Ng5 f6 20.
Ne4 b6 21. Nd6 Rxc1 22. Rxc1 e5 23. Nb5 Rc8 24. Rxc8 Kxc8 25. Bg3 a6 26. Nd6+
Kd7 27. dxe5 fxe5 28. Nf7 Nc6 29. Ng5 h6 30. Ne4 Nb4 31. a3 Nd5 32. Kc2 Ke6 33.
Kb3 Bf8 34. Nd2 b5 35. a4 Bb4 36. Nf3 Bd6 37. axb5 axb5 38. h3 Nb6 39. e4
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Sopko, Cassio Roberto"]
[Black "Rosa, Diego"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. g3 e6 3. Bg2 Be7 4. Nf3 O-O 5. O-O d6 6. b3 Nbd7 7. Bb2 c6 $146 ({
RR} 7... c5 8. c3 Qb6 9. Nbd2 cxd4 10. cxd4 Rb8 11. e4 d5 12. e5 Ne8 13. Re1 f6
14. exf6 Nexf6 15. Rc1 Qd8 16. Rxe6 Nc5 17. Re2 Nd3 18. Rb1 Nxb2 19. Rxb2 Kh8
20. Qe1 Ba3 21. Rc2 Bf5 22. Rc3 {Stoenescu,I (1050)-Maria,L (1337) Calimanesti
Caciulata 2016 0-1 (39)}) 8. Qd3 Qc7 9. Nbd2 Re8 10. e4 e5 11. dxe5 dxe5 12.
Rfe1 Bc5 13. h3 Qb6 14. Re2 a5 15. Nc4 Qc7 16. Rd1 b5 17. Nd6 Bxd6 18. Qxd6
Qxd6 19. Rxd6 Bb7 20. Nh4 a4 21. a3 axb3 22. cxb3 Nc5 23. b4 Na4 24. Ba1 Nb6
25. f4 Nc4 26. Rd3 Nh5 27. Bxe5 Nxe5 28. fxe5 Rxe5 29. Ree3 Nf6 30. Nf5 c5 31.
bxc5 Bxe4 32. Bxe4 Nxe4 33. Nd6 Nxc5 34. Rxe5 Nxd3 35. Rxb5 g6 36. Rb3 Nc1 37.
Re3 Ra6 38. Nb5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Souza, Rafael Cabral"]
[Black "Pinto, Pedro Jorge M"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. g3 c5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O e6 7. a3 Nge7 8. Rb1
Rb8 ({RR} 8... b6 9. d3 Bb7 10. Bd2 Qd7 11. b4 Rd8 12. Qc1 h6 13. Rd1 g5 14.
Nb5 O-O 15. Bc3 e5 16. bxc5 dxc5 17. Ba1 Nd4 18. Nbxd4 exd4 19. e3 dxe3 20.
Qxe3 Nf5 21. Qd2 Bxa1 22. Rxa1 Rfe8 23. a4 {Jakovenko,D (2741)-Grischuk,A 
(2764) Moscow 2012 1-0}) 9. b4 b6 10. Bb2 O-O 11. b5 $146 ({RR} 11. Ba1) ({RR} 
11. Na4 e5 12. Ba1 Be6 13. d3 h6 14. bxc5 dxc5 15. Nd2 Qd7 16. Nc3 Rbd8 17. Re1
f5 18. Nf1 f4 19. Be4 Qe8 20. Nd2 g5 21. f3 h5 22. Kf2 g4 23. Rg1 Nd4 24. Qa4
Rd7 25. Nd5 Bh6 {Hahn,M (2332)-Fritz,M (1966) Heusenstamm GER 2023 1-0 (64)})
11... Na5 12. d3 d5 13. cxd5 exd5 14. e3 Bg4 15. h3 Bd7 16. Ne2 Bxb2 17. Rxb2
Nb7 18. Ne5 Be8 19. Nf4 Qd6 20. Ng4 f5 21. Nh2 g5 22. Nh5 Qg6 23. g4 fxg4 24.
hxg4 Nd6 25. a4 Bd7 26. e4 d4 27. e5 Ne8 28. f4 gxf4 29. Nxf4 Rxf4 30. Rxf4 Be6
31. Rbf2 Nc7 32. Rf6 Qg5 33. Qf3 Bd5 34. Qg3 Bxg2 35. Kxg2 Ncd5 36. Nf1 Ng6 37.
Rf7 Re8 38. e6 Qe5 39. Qxe5 Nxe5 40. R7f5 Nxd3 41. Rg5+ Kh8 42. Rxd5 Nxf2 43.
Kxf2 Rxe6 44. Rd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Sovinski, Marcos Roberto"]
[Black "Campos, Otavio"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 c5 3. d4 Nf6 4. Nc3 ({RR} 4. e5 Nd5 5. c4 Nc7 6. dxc5 Bxc5 7.
Nc3 f5 8. exf6 Qxf6 9. Bd3 O-O 10. O-O d5 11. Bg5 Qf7 12. Ne5 Qe8 13. Qc2 Qh5
14. h4 Rf5 15. Bxf5 exf5 16. Nxd5 Nxd5 17. cxd5 Na6 18. d6 h6 {Goh,W (2403)
-Phyo,C (2500) Vung Tau 2008 1-0}) 4... cxd4 $146 ({RR} 4... Nc6 5. d5 exd5 6.
exd5 Nb4 7. d6 Bxd6 8. Qxd6 Nxc2+ 9. Kd1 Nxa1 10. Bc4 Ne4 11. Re1 Qf6 12. Rxe4+
Kd8 13. Bg5 {1-0 (13) Boehm,T (2113)-Kucera,V Prague 2005}) ({RR} 4... Be7 5.
e5 Nd5 6. Nxd5 O-O 7. Nxe7+ Qxe7 8. dxc5 Qxc5 9. Bd3 d5 10. Be3 Qe7 11. O-O Nc6
12. a3 h6 13. b4 Bd7 14. Bc5 Qe8 15. Bxf8 Qxf8 16. Re1 Rc8 17. c4 dxc4 18. Bxc4
f5 19. Qxd7 {Dheepika,N (1072)-Ghala Aman Ali lichess.org INT 2021 1-0 (34)})
5. Qxd4 Nc6 6. Qe3 b6 7. Bc4 Nb4 8. Bb3 Ba6 9. a3 Nc6 10. Bd2 h6 11. O-O-O Bc5
12. Qe1 Ng4 13. Be3 Nxe3 14. fxe3 O-O 15. Qd2 d6 16. Ba2 Rc8 17. b4 Nxb4 18.
axb4 Bxb4 19. Qd4 Bxc3 20. Qxd6 Qf6 21. e5 Qg6 22. g3 Bb4 23. Qd3 Bxd3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Teixeira, Jonas"]
[Black "Deves, Rafael"]
[Result "1/2-1/2"]
[ECO "D37"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 O-O 6. Be2 dxc4 7. Bxc4 c5 8. O-O
Nc6 9. dxc5 Bxc5 10. a3 a6 11. b4 Be7 12. Bb2 b5 13. Bb3 Bb7 14. Qe2 Qb6 15.
Rfd1 Rfd8 16. Rac1 $146 ({RR} 16. h3 Rxd1+ 17. Rxd1 Rd8 18. Rc1 h6 19. Na2 Nd7
20. Rd1 Nf6 21. Nd4 Nxd4 22. Bxd4 Qc6 23. f3 Qc8 24. Qb2 Ne8 25. Rc1 Qa8 26.
Nc3 Bf6 27. Bc5 Rd7 28. a4 Qd8 29. axb5 axb5 30. Qa2 Rd2 {Truong,T (1846)-Tran,
L (1856) Ho Chi Minh City 2014 0-1 (33)}) 16... Rxd1+ 17. Rxd1 Rd8 18. Rxd8+
Qxd8 19. Qd2 Qxd2 20. Nxd2 Ng4 21. h3 Nge5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Trevisan, Rodrigo"]
[Black "Nunes, Gustavo Morais"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. Qc2
b6 9. cxd5 ({RR} 9. d3 Ba6 10. e4 Rc8 11. e5 Ne8 12. Nbd2 b5 13. Rfc1 Qb6 14.
d4 bxc4 15. bxc4 dxc4 16. Rab1 c5 17. Nxc4 Qd8 18. Qa4 Nc7 19. Nd6 Rb8 20. Qc2
c4 21. Nxc4 Nd5 22. Ba1 Rc8 23. Qb3 Rb8 {Burmakin,V (2508)-Rakhimzhan,A (2354)
Pavlodar KAZ 2019 1-0 (63)}) 9... cxd5 10. Rc1 Ba6 11. Nc3 $146 ({RR} 11. Nd4
Bc5 12. d3 Rc8 13. Qd2 e5 14. Nf5 g6 15. Ne3 d4 16. Nc2 b5 17. Ba3 Qb6 18. Bxc5
Rxc5 19. Nb4 Rxc1+ 20. Qxc1 Rc8 21. Qa3 Bb7 22. Bxb7 Qxb7 23. Nd2 a5 {0-1 (23)
Kratochwil,C (2319)-Braun,A (2317) Austria 2003}) 11... Rc8 12. Qd1 Re8 13. Nd4
Nf8 14. Ncb5 e5 15. Rxc8 Qxc8 16. Rc1 Bc5 17. Nd6 Bxd6 18. Rxc8 Rxc8 19. Nf5
Bb8 20. Ne7+ Kh8 21. Nxc8 Bxc8 22. Qc1 Bb7 23. Bh3 N6d7 24. d4 e4 25. Qg5 f6
26. Qc1 g6 27. Bc3 f5 28. Qg5 Kg8 29. Qd8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Uczai, Joao Pedro"]
[Black "Zallio, Luciano"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "125"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 b6 3. Bb2 Bb7 4. Nc3 Nc6 5. Nf3 e6 6. d4 cxd4 7. Nxd4 Nxd4 8.
Qxd4 Nf6 9. e5 Bc5 10. Qf4 Nd5 11. Nxd5 Bxd5 12. Bd3 $146 ({RR} 12. Qa4 O-O 13.
Bd3 Be7 14. Rd1 f5 15. exf6 Bxf6 16. Bxf6 Rxf6 17. O-O Qc7 18. Qh4 Rh6 19. Qg3
Qc5 20. Rfe1 Rf8 21. c4 Bc6 22. Re5 Qa3 23. Re2 a5 24. Qe3 Rh4 25. f3 Qb4 26.
Be4 Bxe4 {Romanov,E (2480)-Yegiazarian,A (2524) Moscow 2006 0-1 (55)}) 12...
Qe7 13. O-O O-O 14. Rad1 Rfd8 15. c4 Bc6 16. Qg4 Qf8 17. Qh3 g6 18. Be2 Qg7 19.
Bf3 Qf8 20. Rd2 Ba3 21. Bxa3 Qxa3 22. Rfd1 Qe7 23. Qg3 Rac8 24. Rd6 Kf8 25. Qf4
h5 26. R1d3 Bxf3 27. Qxf3 Rc5 28. Qe3 Ke8 29. g3 Qf8 30. Qd4 Rc7 31. h4 Qh6 32.
Kg2 Qf8 33. Rf3 Qe7 34. Rd3 Rdc8 35. Qf4 Rd8 36. Qh6 Qf8 37. Qd2 Qe7 38. a3
Rdc8 39. Qh6 Rd8 40. R3d4 Qf8 41. Qg5 Qe7 42. Qd2 Rc5 43. Qf4 Rc7 44. Rd3 Rdc8
45. Qd4 Rd8 46. b4 Rdc8 47. c5 bxc5 48. bxc5 Rb8 49. Qa4 Rd8 50. Qd4 Rb8 51.
Rd2 Rbc8 52. Rc2 Rc6 53. Rc3 Qd8 54. Qe3 Qa5 55. Rcd3 R8c7 56. Qh6 Qxc5 57.
Qh8+ Ke7 58. Rf3 Rb7 59. Qf6+ Ke8 60. Qxf7+ Kd8 61. Rfd3 Qb5 62. Qf8+ Kc7 63.
Rxd7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Valcarcel, Victor I"]
[Black "Oliveira, Aquiles"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Be2 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d5 7. exd5 Qxd5 8.
Nc3 Qd8 9. Be3 $146 ({RR} 9. d5 Nb8 10. Bf4 Nf6 11. O-O O-O 12. Qb3 Nbd7 13.
Rfd1 Qb6 14. Qxb6 Nxb6 15. d6 exd6 16. Bxd6 Re8 17. Bc7 Nbd5 18. Nxd5 Rxe2 19.
Ne3 Be6 20. Be5 Ng4 21. Bxg7 Nxe3 22. fxe3 Kxg7 23. Nd4 Rxb2 {Mujunen,M (2130)
-Puittinen,M (2167) Finland 2004 0-1 (44)}) 9... Nf6 10. d5 Nb8 11. Qb3 O-O 12.
O-O Ne8 13. Ne4 Nd7 14. Rfd1 Ndf6 15. Nxf6+ Bxf6 16. Rac1 Nd6 17. Bd4 Bxd4 18.
Nxd4 a6 19. Bf3 Bd7 20. h4 h5 21. Qd3 Nf5 22. Be4 Nxd4 23. Qxd4 Rb8 24. d6 exd6
25. Qxd6 Qxh4 26. Bxg6 Bg4 27. Bxf7+ Rxf7 28. Qxb8+ Kh7 29. Rd2 Bf3 30. Rc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Vargas, Roberto Carlos"]
[Black "Gazineu Neto, Rubens"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Bd6 7. Ne5 Qc7 8. Ndf3
O-O 9. Bd3 b6 10. Nxc6 ({RR} 10. g4 Bb7 11. h4 Ne7 12. h5 Ne4 13. Nd2 f6 14.
Bxe4 dxe4 15. Nec4 Bxf4 16. exf4 Qxf4 17. dxc5 e3 18. Nxe3 Bxh1 19. Qb3 Bd5 20.
c4 Bf3 21. cxb6 axb6 22. c5 Nd5 23. cxb6 Nxe3 24. fxe3 Qg3+ {Cueto,J (2134)
-Rengifo Blancas,R (2131) chess.com INT 2023 0-1}) 10... Qxc6 11. Bxd6 $146 ({
RR} 11. Ne5 Qc7 12. Qf3 Ne4 13. Nc4 Bxf4 14. Qxf4 Qxf4 15. exf4 Ba6 16. Bxe4
dxe4 17. Nd2 cxd4 18. Nxe4 f5 19. Ng5 dxc3 20. O-O-O Bc4 21. b3 Bd5 22. Rhe1
Rfe8 23. Re3 Rac8 24. Rdd3 Bxg2 25. Rd7 Red8 {Giri,A (2798)-Hou,Y (2673) Wijk
aan Zee 2016 1/2-1/2 (95)}) 11... Qxd6 12. O-O a5 13. Ne5 Ba6 14. f4 Bxd3 15.
Qxd3 Ne4 16. Rf3 f6 17. Ng4 Rad8 18. Raf1 Qd7 19. Nf2 f5 20. Rh3 Nd6 21. Qe2 g6
22. Nd3 Qb5 23. Qc2 Nf7 24. Ne5 Nxe5 25. fxe5 Rc8 26. Rhf3 Qc4 27. b3 Qa6 28.
c4 dxc4 29. bxc4 cxd4 30. exd4 Qxc4 31. Qb2 Rc6 32. Rb3 Rb8 33. Rb5 Qa4 34. Rc5
Rbc8 35. Rxc6 Rxc6 36. Rb1 Kg7 37. h3 Qc4 38. Kh2 Qd5 39. Qb5 Qe4 40. Re1 Qd5
41. Qxd5 exd5 42. Kg3 Kf7 43. Kf4 Ke6 44. Rb1 h6 45. g4 g5+ 46. Kg3 f4+ 47. Kf3
Kd7 48. Rb5 Rc3+ 49. Kg2 Kc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Vicentin, Marcos"]
[Black "Correa, Joao Pedro"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 Bg7 8. O-O
Nf6 9. Qe1 b5 ({RR} 9... Nd7 10. a4 b6 11. f5 gxf5 12. exf5 Bxc3 13. bxc3 Rg8
14. Qh4 Ne5 15. Ne1 Qd7 16. d4 Ng4 17. a5 Qb7 18. a6 Qd7 19. Bg5 h6 20. Bxh6
Nxh6 21. Qxh6 O-O-O 22. Qf4 Rg7 23. Rf2 Rdg8 24. f6 {Hernandez Carmenates,H 
(2487)-Xiong,J (2660) Dallas 2016 0-1}) 10. Qh4 ({RR} 10. f5 b4 11. Ne2 gxf5
12. exf5 Qd7 13. Qg3 Rg8 14. Qf4 Nd5 15. Qh4 Qxf5 16. Ng5 Qg6 17. Ng3 Bf6 18.
N3e4 Bd4+ 19. Kh1 h6 20. c3 hxg5 21. Bxg5 Be3 {0-1 (21) Ballester Llagaria,L 
(2298)-Sarana,A (2685) chess.com INT 2023}) 10... b4 11. Ne2 Qd7 12. h3 $146 ({
RR} 12. a3 c4 13. f5 cxd3 14. cxd3 gxf5 15. Nfd4 fxe4 16. Nf5 Rg8 17. Ned4 Bh8
18. Bg5 Bb7 19. axb4 Rg6 20. b5 exd3 21. Nxe7 Kxe7 22. Bxf6+ Bxf6 23. Rxf6
Rxg2+ 24. Kf1 Qg4 25. Re1+ Kf8 26. Rxf7+ Kxf7 {Allicock,R (2198)-Abreu Delgado,
A (2457) New York USA 2018 1-0 (31)}) 12... O-O-O 13. a3 b3 14. c4 Qb7 15. Nc3
Nd7 16. Nd5 Bxd5 17. exd5 Nb6 18. a4 Qd7 19. a5 Na4 20. Ra3 Kc7 21. Ng5 Rdf8
22. Qg4 Qxg4 23. hxg4 Nxb2 24. Rxb3 Rb8 25. Ra3 Rhf8 26. Re1 Kd7 27. Nxh7 Rh8
28. Ng5 Bd4+ 29. Be3 Bxe3+ 30. Rxe3 f6 31. Ne6 Rb4 32. Rh3 Rxh3 33. gxh3 Na4
34. Nf8+ Ke8 35. Nxg6 Kf7 36. f5 Nb2 37. Kh2 Nd1 38. Ra1 Nf2 39. Re1 Nxd3 40.
Rxe7+ Kg8 41. Rxa7 Rxc4 42. Rd7 Rc2+ 43. Kg3 c4 44. Rxd6 c3 45. Rc6 Nb4 46.
Rc8+ Kf7 47. d6 Rd2 48. Rxc3 Rxd6 49. Rc7+ Kg8 50. Re7 Ra6 51. Re6 Rxa5 52.
Rxf6 Nd5 53. Re6 Ra3+ 54. Kh4 Ne3 55. Kg5 Nd5 56. h4 Ra7 57. h5 Rb7 58. h6 Ra7
59. Re8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Zakowicz, Rafael"]
[Black "Mazetto, Sergio Luiz"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. d4 cxd4 5. Nxd4 Qa5+ 6. Nc3 Qc5 7. Bxf7+ Kxf7
8. Be3 Qa5 9. O-O Nc6 10. Ndb5 $146 ({RR} 10. Nd5 Nf6 11. b4 Qd8 12. Nb5 Nxd5
13. Qxd5+ e6 14. Nd6+ Kg8 15. Qb3 Bxa1 16. Rxa1 Qe7 17. Rd1 b5 18. Bc1 h6 19.
Bb2 Kh7 20. a4 bxa4 21. Qc3 e5 22. f4 a3 23. Ba1 Rg8 24. fxe5 Qe6 {Raji Sayel,
A (1874)-Storey,C (2220) Sharjah UAE 2022 1-0 (54)}) 10... d6 11. Qf3+ Nf6 12.
a3 Rf8 13. b4 Qd8 14. h3 Kg8 15. Rad1 Nd5 16. Qg3 Nxc3 17. Nxc3 Bxc3 18. f4 Bg7
19. b5 Na5 20. h4 Nc4 21. Bc1 Be6 22. h5 Qb6+ 23. Kh1 Qxb5 24. hxg6 Qh5+ 25.
Kg1 hxg6 26. Qb3 Qc5+ 27. Kh1 Kf7 28. g4 Nd2 29. Qxb7 Nxf1 30. f5 Rh8+ 31. Kg2
Rh2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "Zanette, Edgard"]
[Black "Soares, Renan"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
O-O 9. O-O Be6 10. a4 Nc6 ({RR} 10... Qc8 11. b3 Rd8 12. Ba3 Bf8 13. Qd2 Nbd7
14. Rfd1 Nc5 15. a5 Qc7 16. Qe3 Rac8 17. h3 Re8 18. Bb2 h6 19. g4 b5 20. axb6
Qxb6 21. Ng3 a5 22. Bc1 Ra8 23. Bd2 Qc6 24. Nf5 Ncd7 25. Be1 {Bok,B (2592)
-Sethuraman,S (2640) Baku 2016 1/2-1/2 (33)}) 11. h3 Rc8 12. Kh2 $146 ({RR} 12.
Nd5 Bxd5 13. exd5 Nb8 14. Be3 Nfd7 15. a5 Qc7 16. c3 Bd8 17. f4 b5 18. axb6 Qb7
19. Kh2 Bxb6 20. Bxb6 Qxb6 21. b4 exf4 22. Rxf4 Ne5 23. Qd4 Qb5 24. Bf1 Rfe8
25. Nc1 Qb7 26. Nb3 Ng6 {Sarantuya,M (1605)-Zhang,L (1980) Ulaanbaatar 2015
0-1 (48)}) ({RR} 12. g4 Bc4 13. b3 Be6 14. Bb2 Nb4 15. f4 Qb6+ 16. Kh1 Bxg4 17.
hxg4 Nxg4 18. Ng3 Nf2+ 19. Rxf2 Qxf2 20. Nf5 Bf6 21. Qxd6 Nxc2 22. Nd5 Ne1 23.
Rxe1 Qxe1+ 24. Kh2 Bh4 25. Qxe5 f6 26. Qe7 Rf7 {Menac Comas,J (2044)-Leon
Escoda,M (1682) Platja d'Aro ESP 2023 1-0 (32)}) 12... Qc7 13. Nd5 Bxd5 14.
exd5 Nb8 15. Nc3 b6 16. f4 Nbd7 17. f5 h6 18. Rf2 Qc5 19. Qe2 Qb4 20. Qxa6 Rxc3
21. bxc3 Qxc3 22. Ra3 Qc5 23. Re2 Nxd5 24. Qb5 N5f6 25. Qxc5 Nxc5 26. a5 bxa5
27. Rxa5 Rb8 28. Ra8 Rxa8 29. Bxa8 Kf8 30. Ba3 Ncd7 31. c4 g5 32. Rb2 Ne8 33.
Bc6 Nef6 34. Rb7 Nc5 35. Bxc5 dxc5 36. Kg2 Bd6 37. Kf3 e4+ 38. Bxe4 Nxe4 39.
Kxe4 Bxg3 40. f6 h5 41. Kf5 g4 42. Rb3 Bc7 43. hxg4 h4 44. g5 Kg8 45. Kg4 Bg3
46. Rb7 Bf2 47. Rd7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "da Cruz, Emerson"]
[Black "Santiago, Mauro"]
[Result "0-1"]
[ECO "A24"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 O-O 6. Nge2 e5 7. O-O Be6 8. d3
Nc6 9. h3 Qc8 ({RR} 9... Ne8 10. Be3 f5 11. Qd2 Nf6 12. Nd5 Qd7 13. Kh2 a5 14.
Rac1 Nb4 15. a3 Nbxd5 16. cxd5 Bf7 17. Rc2 Rfc8 18. Rfc1 fxe4 19. dxe4 c6 20.
Nc3 b5 21. dxc6 Rxc6 22. Nd5 Rxc2 23. Qxc2 Bxd5 24. exd5 {Maze,S (2577)-Ziska,
H (2456) Reykjavik 2012 1-0}) ({RR} 9... a5 10. Be3 Nd7 11. b3 h6 12. Qd2 Kh7
13. d4 exd4 14. Nxd4 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Qf6 17. Qd2 Nc5 18. f4 c6 19.
f5 Bd7 20. fxg6+ Qxg6 21. Kh2 Rae8 22. Rad1 Re6 23. Qf4 Qg7 24. Ne2 {Rangel,D 
(2226)-Romao,C (1939) Caxambu BRA 2020 1-0 (76)}) 10. Kh2 Nh5 11. Nd5 $146 ({RR
} 11. Ng1 Nd4 12. Nd5 Kh8 13. Bg5 c6 14. Nc3 Qd7 15. Be3 Qe8 16. Nce2 Nxe2 17.
Qxe2 f5 18. exf5 gxf5 19. Bf3 Nf6 20. Qc2 Nh5 21. Qd1 Nf6 22. Be2 Bf7 23. Qd2
Bh5 24. Bh6 Qg6 25. Bxg7+ Qxg7 {Voiska,M (2309)-Trivunovic,V (2011) Vrnjacka
Banja 2005 1-0 (82)}) 11... Bxd5 12. cxd5 Ne7 13. Be3 f5 14. Qd2 f4 15. gxf4
exf4 16. Nxf4 Nxf4 17. Bxf4 Rxf4 18. Qxf4 Be5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "da Rosa, Henrique"]
[Black "Veiga, Emerson"]
[Result "0-1"]
[ECO "E05"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 c5 8. dxc5
Qc7 9. Nxc4 Qxc5 10. b3 Rd8 11. Qc2 Nc6 12. Ba3 Nb4 13. Bxb4 Qxb4 14. a3 Qc5
15. Nc3 Rb8 16. Rfd1 Bd7 17. e4 $146 ({RR} 17. Ne4 Nxe4 18. Bxe4 f5 19. Bg2 b5
20. Ne3 Rbc8 21. Qxc5 Bxc5 22. Rd3 Be8 23. Bb7 Rxd3 24. Bxc8 Rd6 25. Rc1 Bb6
26. Bb7 Kf7 27. Nd1 Rd2 28. Kf1 Ke7 29. Nc3 g5 30. h3 h5 31. Bf3 g4 {
Shafigullina,Z (2204)-Baches Garcia,G (2329) chess.com INT 2021 0-1 (57)})
17... b5 18. Na5 Rdc8 19. Rdc1 Ng4 20. b4 Qh5 21. h3 Ne5 22. Qe2 Qh6 23. f4 Nc4
24. Nxc4 Rxc4 25. Qe3 Bd8 26. Kh2 Bb6 27. Qe2 Rbc8 28. Qd3 Bd4 29. Ra2 e5 30.
Rac2 exf4 31. Ne2 fxg3+ 32. Nxg3 Qd6 33. Rxc4 bxc4 34. Qf3 Be5 35. Rc2 c3 36.
Bf1 Ba4 37. Qg4 Bxg3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "6"]
[White "de Deus Filho, Joaquim"]
[Black "Pasqualotto, Amos"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "25"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h6 6. h5 Bh7 7. e6 Qd6 8. exf7+
Kxf7 9. Nf3 ({RR} 9. g5 Be4 10. Bd3 e5 11. Bxe4 dxe4 12. g6+ Ke8 13. Nc3 Nf6
14. Nge2 Nbd7 15. Ng3 exd4 16. Ncxe4 Nxe4 17. Nxe4 Qe5 18. Qe2 Bb4+ 19. c3 dxc3
20. bxc3 Be7 21. Bb2 Qf4 22. c4 Kd8 23. Qe3 Qxe3+ {Becerra Rivero,J (2485)
-Clavijo,J (2400) San Salvador 1998 1-0 (41)}) 9... Nd7 10. Bd3 $146 ({RR} 10.
g5 Be4 11. Bh3 e6 12. Nc3 Be7 13. g6+ Ke8 14. Nxe4 dxe4 15. Nd2 Ngf6 16. c3 b5
17. Qe2 e3 18. Qxe3 Qd5 19. Rg1 Nf8 20. Bg2 Qd6 21. Qf3 Rc8 22. Ne4 Qd5 23. Qe2
Qc4 24. Qf3 b4 {Johnsen,S (1767)-Esbensen,H (1390) Vadso 2004 1-0 (31)}) ({RR} 
10. g5 Be4 11. Bd3 Qe6 12. Be3 Bxd3 13. Qxd3 Qe4 14. Qxe4 dxe4 15. g6+ Ke8 16.
Ne5 Nxe5 17. dxe5 e6 18. a3 Ne7 19. Nc3 Nd5 20. Nxe4 Nxe3 21. fxe3 Rd8 22. Rd1
Rxd1+ 23. Kxd1 Be7 24. Rf1 Rf8 {Machado da Silva,L (1822)-Garcia,E (1427)
Florianopolis BRA 2023 1-0 (40)}) 10... Bxd3 11. Qxd3 e5 12. dxe5 Nxe5 13. Qf5+
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Abrantes, Tiago Garrido"]
[Black "Molina, Roberto Junio"]
[Result "0-1"]
[ECO "E05"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4
b4 9. Qxc4 Ba6 10. Qc2 Nbd7 11. Ne5 Nxe5 12. dxe5 Nd5 13. Rd1 Qc8 14. Be4 g6
$146 ({RR} 14... h6 15. Bd3 c5 16. b3 Bxd3 17. Rxd3 a5 18. Nd2 Nb6 19. Nc4 Nxc4
20. Qxc4 Qc7 21. Be3 Rfd8 22. Rad1 Rxd3 23. Rxd3 Rd8 24. Rxd8+ Qxd8 25. Bxc5
Bxc5 26. Qxc5 Qd1+ 27. Kg2 Qxe2 28. Qxa5 Qe4+ 29. Kg1 {Bu,X (2656)-Zhou,J 
(2609) Danzhou 2012 1/2-1/2 (31)}) ({RR} 14... h6 15. Bh7+ Kh8 16. Bd3 c5 17.
Nd2 b3 18. Qxb3 Rb8 19. Bxa6 Qxa6 20. Qd3 Qc6 21. Nc4 Nb4 22. Qf3 Qa6 23. Qe4
Nc6 24. Be3 Nd4 25. Bxd4 Qxc4 26. Qc6 Qd5 27. Qxd5 exd5 28. Be3 d4 29. Bc1 {
Mamedyarov,S (2808)-Nakamura,H (2769) Leuven BEL 2018 0-1 (44)}) ({RR} 14... h6
15. e3 c5 16. b3 Rd8 17. Bb2 c4 18. bxc4 Qxc4 19. Qxc4 Bxc4 20. Nd2 Be2 21. Re1
Ba6 22. Nb3 Rac8 23. Bd4 Nc3 24. Bf3 Rc7 25. h4 Bc4 26. Na5 Bd5 27. Bg4 b3 28.
e4 Nxe4 29. Nxb3 {Przybylski,W (2308)-Ouellet,M (2195) chess.com INT 2023 1-0 
(50)}) 15. Bh6 Rd8 16. h4 c5 17. h5 Qc7 18. hxg6 hxg6 19. Bxg6 Qxe5 20. Nd2 Qh8
21. Be3 Nxe3 22. fxe3 Qg7 23. Be4 Qxg3+ 24. Kf1 Bh4 25. Bh7+ Kh8 26. Ne4 Qh3+
27. Kg1 Rg8+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Almeida Jr, Alvaro"]
[Black "Valcarcel, Victor I"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "15"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 Qe7 7. Ba3 ({RR} 7.
O-O Nf6 8. Ba3 d6 9. d5 Nb8 10. Qa4+ Nbd7 11. Qxa5 Nxe4 12. Qxc7 Nb6 13. Bb5+
Bd7 14. Re1 Bxb5 15. Qxe7+ Kxe7 16. Rxe4 f6 17. Nbd2 Rac8 18. Rc1 Rc7 19. Nd4
Bd7 20. f4 Rhc8 21. fxe5 fxe5 {Zhigalko,S (2572)-Mikhalevski,V (2552) chess.
com INT 2021 1-0 (35)}) 7... d6 8. d5 $146 ({RR} 8. O-O Bg4 9. Nbd2 Bxc3 10.
Rb1 Bxd2 11. Qxd2 Bxf3 12. gxf3 Nxd4 13. Qe3 b6 14. f4 Nc2 15. Qg3 Nxa3 16.
Qxg7 Qf6 17. Bxf7+ Qxf7 18. Qxh8 Nxb1 19. Rxb1 O-O-O 20. fxe5 Qg6+ 21. Kf1 Nh6
22. Qf6 Qxf6 {Kolar,D-Jancarik,J (1721) Volyne 2003 0-1 (37)}) ({RR} 8. dxe5
Nxe5 9. Nxe5 Qxe5 10. O-O Bd7 11. f4 Qe7 12. e5 O-O-O 13. exd6 cxd6 14. Kh1 Bc6
15. Bd5 Nf6 16. Bxc6 bxc6 17. Nd2 Qe6 18. Qa4 Qd5 19. Nc4 Bc7 20. Rad1 Qb5 21.
Qxb5 cxb5 22. Nxd6+ Bxd6 {Reprintsev,A (2227)-Ngo,D (2243) chess.com INT 2023
0-1 (34)}) 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Andrade, Dalson Holanda"]
[Black "Correa, Joao Pedro"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. h3 Be7 6. Bd3 O-O 7. O-O c5 8. c3 d6
9. Nbd2 Nbd7 10. Qe2 Nd5 $146 ({RR} 10... d5 11. Ne5 Nxe5 12. Bxe5 Rc8 13. Rad1
Qd7 14. Rfe1 {1/2-1/2 (14) Ehrke,M-Doncevic,D (2350) Bad Neuenahr 1984}) ({RR} 
10... Qc7 11. e4 Rfd8 12. Bh2 cxd4 13. cxd4 Rac8 14. a4 Qb8 15. a5 bxa5 16.
Rxa5 Rc7 17. b4 Rdc8 18. b5 Rc1 19. Ra1 Rxf1+ 20. Kxf1 h6 21. Nb3 Rc3 22. Nfd2
e5 23. d5 Bd8 24. Rc1 Rxc1+ 25. Nxc1 {Kamsky,G (2714)-Adams,M (2729) Moscow
2007 1/2-1/2 (37)}) ({RR} 10... Qc7 11. e4 e5 12. dxe5 dxe5 13. Bg5 Rfe8 14.
Bxf6 Bxf6 15. Rfd1 Nf8 16. Bc4 Ne6 17. Nf1 Nf4 18. Qc2 a6 19. a4 Rad8 20. Ne3
g6 21. Kh2 h5 22. g3 Ne6 23. Bd5 Bc8 24. Qb3 h4 25. Nc4 {Federic,J (2303)
-Tropp,O (2230) Slovakia 2017 1/2-1/2 (55)}) 11. Bg3 cxd4 12. exd4 N7f6 13. a4
Nh5 14. Bc2 Nxg3 15. fxg3 Qc7 16. Ne4 a5 17. Bd3 h6 18. Nfd2 Rad8 19. Nc4 f5
20. Ned2 Bf6 21. Na3 Bc6 22. Nb5 Bxb5 23. Bxb5 Rf7 24. Bd3 g6 25. g4 Kg7 26.
Rae1 Bh4 27. Rc1 Bg5 28. Ra1 Nf4 29. Qf3 fxg4 30. hxg4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Aoyama, Edmundo"]
[Black "Bandeira, Tarciano"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "121"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 exf6 5. Nf3 Nc6 6. Be2 ({RR} 6. c3 Qb6 7.
Qd2 Bf5 8. Be2 Be7 9. dxc5 Bxc5 10. Qxd5 Qxb2 11. Qxf5 Qxa1 12. Qc2 Ba3 13.
Nfd2 Qb2 14. Qxb2 Bxb2 15. Kd1 Rc8 16. Nc4 Ba1 17. Nd6+ Ke7 18. Nxc8+ Rxc8 19.
Kc2 Na5 20. Rd1 a6 {Fedoseev,V (2673)-Sarana,A (2455) Khanty-Mansiysk 2016 1-0
(49)}) ({RR} 6. Nbd2 cxd4 7. exd4 Bd6 8. Bd3 O-O 9. O-O Bg4 10. h3 Bh5 11. c3
a6 12. Re1 b5 13. Nf1 Ne7 14. Ne3 Bg6 15. Nh4 Bxd3 16. Qxd3 g6 17. Re2 Bc7 18.
Rae1 Qd6 19. g3 Rfe8 20. Nxd5 Bd8 {Roberson,P (2422)-Cavanah,T (1950) chess.
com INT 2023 1-0}) 6... Bd6 $146 ({RR} 6... Be7 7. O-O O-O 8. c3 f5 9. Nbd2 c4
10. b3 cxb3 11. axb3 Be6 12. b4 Bd6 13. Bd3 b6 14. Qc2 Qf6 15. Ra6 Rfc8 16. Qb2
g5 17. g3 Kg7 18. Rfa1 h5 19. h4 gxh4 20. gxh4 Kh8 21. Kf1 {Tuul,T-Sarapik,K 
(2049) Estonia 2007 0-1 (42)}) 7. O-O Bg4 8. dxc5 Bxc5 9. Nc3 Be6 10. Nb5 O-O
11. c3 Re8 12. Qa4 Qb6 13. Qc2 a6 14. Nbd4 Rac8 15. Rad1 Ne5 16. Nxe6 fxe6 17.
Nxe5 fxe5 18. Rd2 Rf8 19. Qd1 Rf6 20. b4 Bd6 21. c4 Bxb4 22. Rb2 Qc5 23. Qb1 a5
24. a3 Bxa3 25. Rxb7 Bb4 26. Rb5 Qc6 27. cxd5 exd5 28. Qb3 Rd6 29. e4 Qc2 30.
Bd1 Qxe4 31. Bf3 Qd4 32. Bxd5+ Kf8 33. Qh3 Rcd8 34. Be6 Qd3 35. Qxd3 Rxd3 36.
Rxe5 a4 37. g3 a3 38. Bc4 R3d4 39. Bb3 Rd3 40. Bc4 R3d6 41. Kg2 Bc3 42. Re3 Bb2
43. Rfe1 Ra8 44. Rf3+ Rf6 45. Rxf6+ Bxf6 46. Re2 Rc8 47. Ba2 Rc3 48. Bd5 Be7
49. Re4 Ke8 50. Ra4 Kd7 51. g4 Kd6 52. Bg8 h6 53. h3 Kc5 54. Ra8 Kd4 55. Ra7
Bf6 56. h4 Kd3 57. g5 Bd4 58. Ra4 hxg5 59. hxg5 Bc5 60. Ra5 Rc2 61. Bh7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Araujo, Everson"]
[Black "Cymbalista, Eduardo"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e6 6. Nge2 Nge7 7. O-O O-O 8. b3
d5 ({RR} 8... b6 9. Bb2 Bb7 10. d4 cxd4 11. Nxd4 a6 12. Rc1 Rc8 13. Ne4 Nxd4
14. Bxd4 Bxe4 15. Bxe4 Bxd4 16. Qxd4 Qc7 17. Rfd1 d5 18. Bf3 Rfd8 19. Qf6 dxc4
20. Rxc4 Rxd1+ 21. Bxd1 Qd6 22. Rxc8+ Nxc8 23. Bf3 {Fedoseev,V (2687)
-Mamedyarov,S (2770) lichess.org INT 2021 0-1 (66)}) 9. cxd5 Nxd5 10. Bb2 Rb8 (
{RR} 10... Ndb4 11. d4 cxd4 12. exd4 Nxd4 13. Nxd4 Qxd4 14. Qxd4 Bxd4 15. Rfd1
e5 16. Rd2 Rb8 17. Ne4 Bxb2 18. Rxb2 Kg7 19. a3 Nc6 20. Nd6 Nd4 21. b4 b6 22.
f4 exf4 23. gxf4 Rd8 24. Nc4 Bb7 25. Ne5 {Bychkov,V (2225)-Averjanov,A (2399)
chess.com INT 2023 0-1}) 11. d4 $146 ({RR} 11. a3 Nxc3 12. Bxc3 Qd6 13. Qc2 Rd8
14. Rfd1 e5 15. Qb2 Bg4 16. f3 Bd7 17. b4 Nd4 18. Nc1 Nb5 19. bxc5 Qxc5 20. Nd3
Qd5 21. Bxe5 f6 22. Bxb8 Qxd3 23. a4 Rxb8 24. axb5 f5 25. Qa2+ Kh8 {Nedela,V 
(2405)-Ramik,Z (2315) Brno 1994 1-0 (40)}) 11... Nxc3 12. Bxc3 cxd4 13. exd4
Ne7 14. Rc1 Nd5 15. Bb2 b6 16. Qd2 Bb7 17. Rc2 Qd7 18. Nf4 Nxf4 19. Qxf4 Bxg2
20. Kxg2 Rbc8 21. Rfc1 Rxc2 22. Rxc2 Rc8 23. Rxc8+ Qxc8 24. Qd6 Bf8 25. Qf4 Bg7
26. Bc1 Qd8 27. Be3 h6 28. h4 Kh7 29. Kh2 Bf8 30. Qe4 Qd5 31. Qc2 Qa5 32. Qc7
Kg7 33. a4 a6 34. Qc8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Arruda Filho, Ivo"]
[Black "Zakowicz, Rafael"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 e6 3. Bf4 Nf6 4. h3 Bb4+ ({RR} 4... Nbd7 5. c3 c5 6. e3 Be7 7.
Nbd2 cxd4 8. exd4 O-O 9. Be2 b6 10. O-O Bb7 11. a4 Re8 12. Ne5 Nxe5 13. Bxe5
Nd7 14. Bg3 Bh4 15. Bh2 e5 16. Nf3 e4 17. Nxh4 Qxh4 18. Bb5 Qe7 19. Re1 {
Kopinits,S-Kummer,H (2300) Velden 1996 0-1 (31)}) 5. c3 Bd6 ({RR} 5... Ba5 6.
e3 O-O 7. Bd3 Bd7 8. Nbd2 Nc6 9. O-O b6 10. b4 Bxb4 11. cxb4 Nxb4 12. Be2 Bc6
13. a3 Na6 14. Bxa6 {1-0 (14) Dalgar,Y (1329)-Liman,M Antalya 2017}) 6. Ne5
$146 ({RR} 6. Bg5 h6 7. Bd2 Ne4 8. e3 Nd7 9. c4 c6 10. Qc2 b6 11. cxd5 cxd5 12.
Bd3 Ndf6 13. Nc3 Nxd2 14. Qxd2 Bd7 15. O-O O-O 16. a3 a6 17. Qe2 b5 18. Ne5 Be8
19. Na2 Nd7 20. Nxd7 Bxd7 {Loiola,M (1604)-Dos Santos,O (1571) Brazil 2010 0-1
(42)}) 6... O-O 7. e3 Ne4 8. Be2 f6 9. Nd3 e5 10. Bh2 Nc6 11. O-O Be6 12. Nd2
Nxd2 13. Qxd2 e4 14. Nf4 Bf7 15. Bb5 Ne7 16. Ne2 c6 17. Bxd6 Qxd6 18. Ba4 f5
19. Rac1 Qh6 20. Bb3 Kh8 21. c4 g5 22. cxd5 cxd5 23. Rc7 Ng6 24. Qb4 Nh4 25.
Rxb7 Nf3+ 26. Kh1 f4 27. Rxf7 Rxf7 28. Bxd5 g4 29. Bxa8 Qa6 30. gxf3 exf3 31.
Bxf3 gxf3 32. Qb8+ Kg7 33. Rg1+ Kh6 34. Nxf4 Qf6 35. Qg8 Qf5 36. Qg4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Azevedo Jr, Joao"]
[Black "Boabaid, Jorge Alberto"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Bxc6+ bxc6 5. h3 Nf6 6. Qe2 ({RR} 6. e5 Nd5
7. d3 g6 8. Qe2 Bg7 9. Na3 O-O 10. O-O Rb8 11. Nc4 Nb6 12. exd6 exd6 13. Bg5
Bf6 14. Bxf6 Qxf6 15. b3 Nd5 16. Nfd2 Nf4 17. Qf3 d5 18. Ne3 Qg5 19. Kh2 Bd7
20. Qg3 Qf6 {Karttunen,M (2489)-Chylewski,P (2291) chess.com INT 2023 1/2-1/2 
(52)}) 6... e5 7. b3 $146 ({RR} 7. d3 Be7 8. b3 h6 9. Be3 Be6 10. Nc3 Nh7 11.
Bd2 Ng5 12. Nh2 Nh7 13. Nf3 Ng5 14. Nh2 Nh7 15. Nf3 Ng5 {1/2-1/2 (15)
Reijneveld,A (2092)-Tunge,C (2018) Vale 2016}) 7... Be7 8. O-O O-O 9. d3 Re8
10. c4 Bf8 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nh5 14. h4 Nf4 15. Bxf4 exf4 16. hxg5
hxg5 17. Nbd2 g4 18. Nh2 Qg5 19. g3 Bg7 20. gxf4 Qxf4 21. Kg2 Be5 22. Rh1 Kg7
23. Rag1 Rg8 24. Kf1 Kf8 25. Ke1 Bd7 26. Rg2 Ke7 27. Rhg1 Bc3 28. Kd1 Rg6 29.
Ndf1 Rag8 30. Ne3 Kd8 31. Nhxg4 Bd4 32. f3 Be6 33. Rh1 Re8 34. Rgh2 d5 35. Ng2
Qc7 36. Rh6 dxe4 37. dxe4 Rxh6 38. Rxh6 Qg3 39. Nf6 Rf8 40. Ne1 Qg5 41. Qd2 Qg1
42. Qa5+ Kc8 43. Qxa7 Bxf6 44. Qa8+ Kd7 45. Qxf8 Bc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Barbosa, Evandro Amorim"]
[Black "Uczai, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "157"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4
c5 9. dxc5 Bxc5 10. Nbd2 Nc6 11. Nxc4 Qe7 12. Nfe5 ({RR} 12. Nce5 Nb4 13. Qc4
Nd7 14. Bd2 Nxe5 15. Nxe5 f6 16. Rac1 Bd6 17. Nd3 Nxd3 18. Qxd3 Rb8 19. Rfd1 b5
20. Ba5 Be5 21. axb5 axb5 22. b4 g5 23. e3 g4 24. h3 gxh3 25. Bxh3 Qg7 26. Rxc8
Rfxc8 {Wojtaszek,R (2637)-Abasov,N (2505) Warsaw 2009 1-0 (42)}) ({RR} 12. Bf4
Bd7 13. Nfe5 Rac8 14. Nxd7 Nxd7 15. Qd2 e5 16. Be3 Bxe3 17. Qxe3 Nd4 18. Rfc1
b5 19. axb5 axb5 20. Na3 Nc5 21. Rab1 b4 22. Nc2 Ncb3 23. Nxd4 Nxd4 24. Bd5 Qd6
25. Bc4 Rc5 26. b3 Rfc8 {Kurmangaliyeva,L (2288)-Khamdamova,A (2172) Astana
KAZ 2023 1-0 (43)}) 12... Nb4 13. Qb3 Nfd5 14. Bd2 Rb8 $146 ({RR} 14... a5 15.
Rac1 b6 16. e4 Nf6 17. Be3 Ba6 18. Rfd1 Rab8 19. Nxa5 Bxe3 20. Nac6 Nxc6 21.
Nxc6 Bxf2+ 22. Kxf2 Ng4+ 23. Kg1 Qf6 24. Qf3 Ne5 25. Qxf6 gxf6 26. Nxb8 Rxb8
27. Rd4 Kg7 28. Rc7 Bd3 29. Rb4 {Yankelevich,L (2362)-Zumsande,M (2432)
Germany 2014 1-0 (65)}) 15. e4 Nf6 16. Rac1 Bd7 17. Nb6 Bc6 18. Qc4 Bd6 19.
Rfd1 a5 20. Bxb4 Bxb4 21. Nxc6 bxc6 22. Qxc6 Qa7 23. Nd7 Nxd7 24. Rxd7 Qb6 25.
Qxb6 Rxb6 26. Bf1 Rd6 27. Rcc7 Rxd7 28. Rxd7 Rc8 29. b3 Kf8 30. Bc4 Ke8 31. Rb7
Rd8 32. f4 Bd6 33. f5 Rb8 34. Bb5+ Kf8 35. Rd7 Be7 36. Bc4 exf5 37. exf5 Rd8
38. Rb7 Rd2 39. Kf1 Ke8 40. Ke1 Rd4 41. Ke2 Re4+ 42. Kf3 Re5 43. g4 h6 44. Ra7
Re3+ 45. Kg2 Bb4 46. Bxf7+ Kf8 47. Bc4 Bc3 48. Rf7+ Ke8 49. Rb7 Kf8 50. h4 Re7
51. Rb8+ Re8 52. Rb5 Re5 53. Rb8+ Re8 54. Rb6 Re3 55. g5 hxg5 56. hxg5 Bd4 57.
Rc6 Ke7 58. Be6 Be5 59. Rc5 Bc3 60. Rc7+ Kd6 61. Rd7+ Ke5 62. Rxg7 Kf4 63. Rc7
Kxg5 64. Rc4 Bb4 65. Rd4 Rc3 66. Kf1 Rc2 67. Re4 Rb2 68. Rd4 Ra2 69. Re4 Rb2
70. Rd4 Rd2 71. Rc4 Rb2 72. Rc8 Kf4 73. Rh8 Ke5 74. Rh3 Rd2 75. Rf3 Ke4 76. Rg3
Kf4 77. Rh3 Rd1+ 78. Ke2 Rd2+ 79. Kf1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Barbosa, Marcio Jordao"]
[Black "Piccoli, Lucas"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 O-O 13. Ncxb4 Nxb4 14. Nxb4
Qb6 15. Qd2 Rb8 16. Nd5 ({RR} 16. Nd3 Qd4 17. f3 Be6 18. Rd1 Bxc4 19. b3 Be6
20. Nf2 Qa7 21. Be2 Rfd8 22. Qa5 Bg5 23. O-O Be3 24. Bd3 d5 25. exd5 Bxd5 26.
Bxh7+ Kxh7 27. Rxd5 Bb6 28. Qd2 Rxd5 29. Qxd5 Rd8 30. Qe4+ Kg8 {Erdogmus,Y 
(2475)-Zhigalko,S (2572) chess.com INT 2023 1-0 (64)}) 16... Qxb2 17. Qxb2 Rxb2
18. Bd3 Bh4 $146 ({RR} 18... Bg5 19. O-O Bg4 20. f3 Be6 21. Rfb1 Rd2 22. Rd1
Rb2 23. Rdb1 Rfb8 24. Rxb2 Rxb2 25. Rb1 Rxb1+ 26. Bxb1 h5 27. Bd3 a5 28. Kf2
Bc1 29. Nc7 Kf8 30. Nxe6+ fxe6 31. Bc2 g5 32. Ba4 Ke7 33. Bc6 {Torres Samper,R
(2119)-Nunez,A (2205) Benidorm 2003 1/2-1/2 (35)}) 19. g3 Bg5 20. h4 Bd2+ 21.
Kf1 Be6 22. Kg2 Bxd5 23. cxd5 Be3 24. Rhf1 Bd4 25. a4 a5 26. Rac1 h5 27. Rc6
Rd2 28. Bb5 f5 29. exf5 Bc5 30. Kh3 Rxf5 31. f3 Bf2 32. Rc3 g5 33. Bd7 g4+ 34.
fxg4 hxg4+ 35. Kxg4 Rf6 36. Rc7 Rd4+ 37. Kg5 Rf8 38. Be6+ Kh8 39. Kg6 Rg8+ 40.
Bxg8 Rg4+ 41. Kh5 Rxg8 42. Rxf2 e4 43. Rff7 Re8 44. Rh7+ Kg8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Bisesar, Maycon"]
[Black "Oliveira, Renato Sena"]
[Result "1-0"]
[ECO "A95"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 c6 5. g3 d5 6. b3 Be7 7. Bg2 O-O 8. O-O Ne4
9. Bb2 Nd7 10. Qc2 Ndf6 11. Rad1 Bd7 12. Ne5 Be8 13. f3 Nxc3 14. Bxc3 Rc8 15.
Qd2 $146 ({RR} 15. e4 fxe4 16. fxe4 Bh5 17. Rde1 c5 18. exd5 cxd4 19. Bxd4 exd5
20. Rf4 Bd6 21. Rh4 dxc4 22. Nxc4 b5 23. Bxf6 Qxf6 24. Rxh5 Bc5+ 25. Kh1 g6 26.
Rhe5 bxc4 27. Qxc4+ Kg7 28. Rxc5 {1-0 (28) Krallis,C (2442)-Karahisaridis,V 
(1725) Aghios Kirykos GRE 2021}) 15... Nd7 16. e4 fxe4 17. fxe4 Rxf1+ 18. Rxf1
Nxe5 19. dxe5 Qb6+ 20. Kh1 dxc4 21. bxc4 Rd8 22. Qe2 Bg6 23. Bh3 Bf7 24. Qe1
Qc5 25. Qe2 b5 26. Ba5 Rf8 27. cxb5 Qxe5 28. Qe3 Bc5 29. Qd3 cxb5 30. Bc3 Qh5
31. Bg2 a6 32. Bf3 Qg5 33. Bd2 Qe5 34. Bc3 Qd6 35. Qxd6 Bxd6 36. Rd1 Bb8 37.
Bb4 Rc8 38. Rd7 e5 39. Bg4 g6 40. h4 h5 41. Bh3 Bxa2 42. Rd2 Bf7 43. Bxc8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Bueno, Marcos Antonio"]
[Black "Carvalho, Willian"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "89"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. c3 Nc6 8. Re1
e5 9. e4 d4 10. Nc4 Qc7 ({RR} 10... Re8 11. a4 Qc7 12. Bd2 Be6 13. cxd4 cxd4
14. Rc1 Nd7 15. b4 Qb8 16. b5 Nd8 17. Ng5 Bxc4 18. Rxc4 h6 19. Nf3 Ne6 20. h4
Nb6 21. Rc1 Qd6 22. Bh3 Rac8 23. a5 Nd7 24. Qe2 b6 25. axb6 {Markus,R (2599)
-Sethuraman,S (2638) chess.com INT 2020 1/2-1/2 (85)}) 11. a4 ({RR} 11. cxd4
cxd4 12. Bd2 b5 13. Na3 a6 14. Rc1 Bb7 15. h4 h6 16. Rc2 Qd6 17. Qc1 Kh7 18.
Bh3 Nd7 19. h5 Rad8 20. hxg6+ fxg6 21. Nh4 Qf6 22. Rf1 Qe7 23. Ng2 Nf6 24. Rxc6
Bxc6 25. Qxc6 Rd6 {Berezin,V (2307)-Gatterer,F (2170) chess.com INT 2023 1-0})
11... Be6 12. Na3 a6 $146 ({RR} 12... Rad8 13. cxd4 cxd4 14. Bd2 a5 15. Rc1 Ra8
16. Nc4 Nd7 17. Qc2 h6 18. Nh4 Qd8 19. Nd6 Ra7 20. Nb5 Ra6 21. b3 Rb6 22. Rb1
Ndb8 23. Bf1 Na6 24. Rec1 Qe7 25. f4 exf4 26. Bxf4 Ncb4 27. Qe2 {Couto,
L-Pelikan,J Buenos Aires 1970 0-1 (39)}) 13. Ng5 Bg4 14. f3 Bd7 15. Nh3 Na5 16.
Nf2 Be6 17. c4 Nc6 18. Nc2 Rab8 19. f4 exf4 20. gxf4 b5 21. e5 Nd7 22. axb5
axb5 23. b3 b4 24. Qf3 Ne7 25. Ra6 Rb6 26. Ra8 Rxa8 27. Qxa8+ Rb8 28. Qa4 Nf8
29. Bd2 Bd7 30. Qa6 Bc6 31. Bxc6 Nxc6 32. Ra1 Rb7 33. Ne4 Ra7 34. Qb5 Rxa1+ 35.
Nxa1 Nd7 36. Nxc5 Nxc5 37. Qxc5 Qd7 38. Kf2 Nxe5 39. fxe5 Qf5+ 40. Ke2 Qg4+ 41.
Kf2 Qh4+ 42. Kg2 Qg4+ 43. Kf2 Qh4+ 44. Kg2 Qg4+ 45. Kf2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cadilhac, Igor"]
[Black "Zanette, Edgard"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 a6 7. Bxc6 Bxc6 8.
c4 Nf6 9. Nc3 g6 10. O-O Bg7 11. Nd4 ({RR} 11. h3 Nd7 12. Be3 O-O 13. Qd2 Nc5
14. Bxc5 dxc5 15. Qe3 b6 16. Rad1 Qc7 17. Nd5 Bxd5 18. cxd5 Bxb2 19. e5 Rad8
20. Qe2 Bc3 21. Qxa6 Bxe5 22. Nxe5 Qxe5 23. Rfe1 Qf5 24. Qxb6 Rxd5 25. Rxd5
Qxd5 {Szente Varga,F (2015)-Wang,A (1851) chess.com INT 2023 1-0 (43)}) 11...
Nd7 $146 ({RR} 11... O-O 12. h3 Nd7 13. Be3 Nc5 14. Qc2 Rc8 15. Rac1 Bd7 16.
Rfd1 Qe8 17. Nd5 Bc6 18. Nxc6 Rxc6 19. Bg5 f6 20. Be3 Qf7 21. b4 Nd7 22. Qb3 f5
23. exf5 gxf5 24. b5 Nc5 25. Qa3 Rcc8 26. Nb6 {Antal,G (2526)-Rohacek,M (2266)
Slovakia 2017 1-0 (41)}) 12. Be3 O-O 13. Rfd1 Qa5 14. Rac1 Qh5 15. h3 Bh6 16.
Bxh6 Qxh6 17. Qg3 Qg7 18. b4 Nf6 19. Qe3 Rac8 20. f4 e5 21. fxe5 dxe5 22. Nf3
Rfe8 23. Rd6 h6 24. Rcd1 Re7 25. Nh2 Rd7 26. Nf3 Rxd6 27. Rxd6 Ne8 28. Rd1 b5
29. c5 Kh7 30. Nd5 f6 31. Nh4 Qf7 32. Qa3 Nc7 33. Nb6 Re8 34. Qd3 Ne6 35. Nd5
Nd4 36. Rf1 Bxd5 37. exd5 f5 38. d6 Qd5 39. Nf3 Kg7 40. Rd1 Kf7 41. Kh2 Nxf3+
42. Qxf3 Qxf3 43. gxf3 e4 44. d7 Rd8 45. c6 e3 46. c7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Campos, Otavio"]
[Black "Almeida, Tiago"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "120"]
[EventDate "2021.??.??"]

1. d4 d6 2. c4 Nf6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. g3 Nbd7 7. Bg2 e5 8. d5
Nc5 9. Qe2 ({RR} 9. Qc2 c6 10. b4 Na6 11. a3 cxd5 12. cxd5 Bd7 13. O-O h6 14.
Bd2 Qe7 15. Rac1 Rfc8 16. Qd3 Qe8 17. Rfe1 Nh5 18. h3 Nc7 19. Bf1 f5 20. Qb1 f4
21. gxf4 Qf8 22. fxe5 Qxf3 23. exd6 Rf8 {Glavas,D (2285)-Biti,O (2345) Mali
Losinj 2017 0-1 (38)}) 9... Bg4 ({RR} 9... a5 10. O-O Ne8 11. Nh4 f5 12. exf5
gxf5 13. f4 e4 14. Be3 b6 15. Nb5 Nf6 16. Nd4 Bd7 17. Nhxf5 Bxf5 18. Nxf5 Bh8
19. Nh6+ Kg7 20. f5 Qe8 21. Ng4 Qh5 22. Bd4 Kf7 23. Bxf6 Bxf6 24. Ne5+ {
Lakshmi,C (1959)-Sanchez Alarcon,J (2136) chess.com INT 2022 1-0}) 10. h3 Bxf3
11. Qxf3 $146 ({RR} 11. Bxf3 Qd7 12. Bg2 Rfe8 13. Qc2 a5 14. Be3 Na6 15. a3 c6
16. dxc6 Qxc6 17. b3 Rac8 18. Rc1 Nc5 19. O-O Nfd7 20. Nb5 Qa6 21. b4 Ne6 22.
Na7 Nd4 23. Bxd4 exd4 24. Nxc8 Rxc8 25. Rfd1 Ne5 {Bordes Guasch,J (1797)
-Escudero Ricart,P (1605) Santa Margalida 2016 1-0 (45)}) 11... a5 12. Bg5 h6
13. Be3 Nd3+ 14. Ke2 Nxb2 15. c5 Nc4 16. Rab1 Nxe3 17. Qxe3 Rb8 18. cxd6 Qxd6
19. Nb5 Qa6 20. Kf3 Ne8 21. Bf1 Qf6+ 22. Kg2 c6 23. Qa7 Rd8 24. dxc6 bxc6 25.
Nc3 Rd2 26. Rb7 Nd6 27. Rc7 Nc8 28. Qc5 Rfd8 29. Rxc6 Rxf2+ 30. Qxf2 Qxc6 31.
Nd5 f5 32. Bd3 Rxd5 33. exd5 Qxd5+ 34. Qf3 e4 35. Bxe4 Qxa2+ 36. Kf1 fxe4 37.
Qxe4 Kh7 38. h4 Nd6 39. Qd3 Qc4 40. Ke2 Qg4+ 41. Kd2 Qb4+ 42. Ke2 Qb2+ 43. Qd2
Qxd2+ 44. Kxd2 Ne4+ 45. Kc2 Nxg3 46. Rh3 Nf5 47. Kb3 Bf8 48. h5 gxh5 49. Rxh5
Kg6 50. Rh1 Bb4 51. Rg1+ Kf6 52. Rf1 Ke5 53. Rd1 h5 54. Rd8 h4 55. Rh8 Kf4 56.
Ka4 Kf3 57. Rh5 Kg4 58. Rh8 h3 59. Rg8+ Kf3 60. Rf8 Bxf8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cardoso, Lucca"]
[Black "Sopko, Cassio Roberto"]
[Result "1/2-1/2"]
[ECO "A90"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. d4 f5 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 Nf6 6. O-O Bd6 7. b3 Nbd7 8. Bb2
O-O 9. Nc3 Ne4 10. e3 b6 ({RR} 10... Qf6 11. Ne2 g5 12. Ne1 Qh6 13. Nd3 Nef6
14. f3 g4 15. f4 b5 16. Qc1 Ba6 17. cxd5 b4 18. Rd1 cxd5 19. Qc6 Rab8 20. Qxa6
Rb6 21. Qxa7 Rfb8 22. Rdc1 Qf8 23. Nc5 Bxc5 24. dxc5 Ra8 25. Qc7 {Shimanov,A 
(2581)-Koellner,R (2421) chess.com INT 2023 1-0}) 11. Ne2 Ba6 12. Rc1 Rc8 13.
Nf4 $146 ({RR} 13. Nd2 Ndf6 14. f3 Nxd2 15. Qxd2 dxc4 16. bxc4 c5 17. d5 exd5
18. cxd5 Bb8 19. e4 Qe7 20. Bh3 Rcd8 21. Bxf6 Rxf6 22. Bg2 Bxe2 23. Qxe2 f4 24.
g4 Be5 25. Rcd1 Rh6 26. h3 Rdd6 27. Qa6 Qd7 {Colas,J (2068)-Wei,Y (2238) Porto
Carras 2010 0-1 (58)}) 13... Qe8 14. Nd3 Qh5 15. Nde5 Rfd8 16. Qc2 g5 17. Nd2
Ndf6 18. Nxe4 Nxe4 19. f3 Nf6 20. Rfe1 g4 21. fxg4 Nxg4 22. Nxg4 Qxg4 23. c5
Bb8 24. Ba3 Re8 25. Qd1 Qxd1 26. Rexd1 b5 27. Bh3 Rc7 28. b4 Rg7 29. Kf2 Bc8
30. Bb2 Bc7 31. a4 h5 32. axb5 cxb5 33. Rg1 Kh7 34. Rg2 Reg8 35. Kf3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Carvalho, Vitor Augusto"]
[Black "Vicentin, Marcos"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "116"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Nbd7 8. Nf3 Bg7
9. Be2 O-O 10. O-O Nxb6 11. a4 a5 ({RR} 11... Bg4 12. a5 Bxf3 13. Bxf3 Nc4 14.
Qa4 Ne5 15. Be2 Ne8 16. Bg5 Nc7 17. f4 Nd7 18. e5 f6 19. exf6 Bxf6 20. Bxf6
Nxf6 {1/2-1/2 (20) Radjabov,T (2773)-Ivanchuk,V (2766) Wijk aan Zee 2012}) 12.
Bf4 ({RR} 12. Nd2 e6 13. dxe6 Bxe6 14. Bf3 Rb8 15. Nb5 Qd7 16. Nb1 Nxa4 17.
Qxa4 Rxb5 18. Nc3 Rb4 19. Qxa5 Qe7 20. Ra4 Rfb8 21. Rxb4 cxb4 22. Nd1 Nd7 23.
Ne3 Ne5 24. Be2 Qb7 25. Rd1 Ra8 26. Qb5 Qxe4 {Head,L (2020)-Arakhamia-Grant,K 
(2320) Edinburgh SCO 2023 1/2-1/2 (66)}) 12... Nh5 13. Be3 h6 $146 ({RR} 13...
Ba6 14. Bxa6 Rxa6 15. Qe2 Ra8 16. Rfd1 Qd7 17. h3 Rfb8 18. g4 Nf6 19. e5 Ne8
20. Bf4 Nc7 21. Bg3 Nc8 22. Ng5 dxe5 23. Nge4 Na6 24. Nb5 Nd6 25. Nec3 Nc7 26.
Nxc7 Qxc7 27. Bxe5 Bxe5 28. Qxe5 {Vasiljevic,D (2292)-Martinovic,S (2440)
Belgrade 2006 1/2-1/2 (38)}) 14. Nd2 Nf6 15. Rc1 e6 16. Nc4 exd5 17. exd5 Kh7
18. b3 Re8 19. h3 Bb7 20. Nxb6 Qxb6 21. Bc4 Ne4 22. Nxe4 Rxe4 23. Qd3 Rae8 24.
Rfe1 Qb4 25. Kf1 Bd4 26. Bd2 Rxe1+ 27. Rxe1 Rxe1+ 28. Bxe1 Qb6 29. Ke2 Qd8 30.
Qe4 Bc8 31. g4 f5 32. Qf3 Qe7+ 33. Kf1 Qh4 34. Bd3 f4 35. Bxa5 h5 36. gxh5
Bxh3+ 37. Kg1 Qg5+ 38. Kh2 Bg4 39. Bxg6+ Kg7 40. Bd8 Qxg6 41. Qxf4 Qxh5+ 42.
Kg1 Bf3 43. Qg3+ Qg6 44. Bg5 Bxd5 45. Kh2 Kf7 46. Qg4 Be6 47. Qh4 Bf6 48. Bxf6
Qxf6 49. Qh5+ Ke7 50. Qh7+ Bf7 51. Qc2 Qe5+ 52. Kg1 Qe1+ 53. Kh2 Qe5+ 54. Kg1
Qg5+ 55. Kh2 Qh5+ 56. Kg3 Qg6+ 57. Qxg6 Bxg6 58. Kf4 Bc2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cicuto, Marcelo Cezar"]
[Black "Avelar, Flavio Henrique"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. c4 c6 2. g3 d5 3. d4 Nf6 4. Bg2 Bf5 5. Nc3 dxc4 ({RR} 5... e6 6. Qb3 Qb6 7.
c5 Qa6 8. Bf1 b5 9. a4 Qa5 10. Bd2 b4 11. Na2 Na6 12. f3 Rb8 13. e3 e5 14. Bxa6
Qxa6 15. Nxb4 Qc8 16. a5 e4 17. f4 h5 18. h3 Be7 19. Qa4 Bd7 20. a6 {Adly,A 
(2626)-Hamdouchi,H (2594) Dubai UAE 2018 1-0 (66)}) ({RR} 5... e6 6. Qb3 Qb6 7.
c5 Qxb3 8. axb3 Be7 9. b4 O-O 10. b5 cxb5 11. Nxb5 Nc6 12. Nf3 b6 13. Bf4 bxc5
14. dxc5 Bxc5 15. O-O Bb6 16. Rfc1 Nb4 17. Nfd4 Be4 18. Bd6 a5 19. Bxf8 Kxf8
20. e3 {Sanal,V (2590)-Tregubov,P (2553) chess.com INT 2023 1-0 (47)}) 6. Nf3
$146 ({RR} 6. a4 e6 7. e4 Bg6 8. Nge2 Be7 9. Nf4 O-O 10. O-O Na6 11. d5 e5 12.
Nxg6 hxg6 13. Qe2 Rc8 14. Rd1 cxd5 15. exd5 Bd6 16. Nb5 Qb6 17. Be3 Bc5 18.
Bxc5 Nxc5 19. Qxc4 a6 20. Nc3 Nb3 {Schwarz,M-Hajek,L Svetla nad Sazavou 1997
0-1 (46)}) 6... e6 7. O-O Be7 8. e4 Nxe4 9. Nxe4 Bxe4 10. Re1 Bd5 11. a4 Nd7
12. Qc2 O-O 13. Be3 a5 14. Rab1 Nf6 15. Nd2 Bxg2 16. Kxg2 b5 17. b3 Qd5+ 18.
Kg1 cxb3 19. Qxb3 Qxb3 20. Nxb3 Nd5 21. Rec1 Rfc8 22. axb5 a4 23. Na1 cxb5 24.
Rxc8+ Rxc8 25. Bd2 b4 26. Rc1 Rxc1+ 27. Bxc1 Bf6 28. Nc2 b3 29. Na3 Bxd4 30.
Nc4 Nb6 31. Na3 b2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cinta Larga, Carlos E"]
[Black "Carmo, Jose Arlindo"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 e6 6. Nc3 Nf6 7. Bd2 ({RR} 7.
f4 d5 8. Bd3 dxe4 9. Nxe4 Be7 10. c3 O-O 11. Qf3 Nc6 12. Be3 Nd5 13. Nxc6 bxc6
14. Bd4 c5 15. Bxc5 Bxc5 16. Nxc5 Qc7 17. b4 Qxf4 18. Qxf4 Nxf4 19. Be4 Ra7 20.
g3 Nh3 21. Bg2 e5 {Voigt,M (2298)-Votava,J (2508) Hamburg 2002 0-1 (43)}) 7...
Nbd7 $146 ({RR} 7... Be7 8. Bg5 h6 9. Bf4 e5 10. Bg3 exd4 11. Qxd4 Nc6 12. Qe3
Nb4 13. Bb3 Be6 14. a3 Bxb3 15. axb4 Bc4 16. Qd4 Bb5 17. Nxb5 axb5 18. Rxa8
Qxa8 19. O-O O-O 20. Bh4 Rd8 21. Rd1 Qa6 22. g3 {Vavrova,J (1167)-Havlicek,J 
(1513) Prague 2015 0-1}) 8. Bxe6 fxe6 9. Nxe6 Qb6 10. Bf4 Ne5 11. Nd5 Nxd5 12.
Qxd5 Qb4+ 13. c3 Qxb2 14. O-O Bxe6 15. Qxe6+ Be7 16. Rab1 Qxc3 17. Rxb7 Ng6 18.
Rc1 Qf6 19. Qd7+ Kf7 20. Bxd6 Rhd8 21. Qa4 Qxd6 22. g3 Kf8 23. Re1 Qd2 24. Rbb1
Ne5 25. Rbd1 Nf3+ 26. Kf1 Qh6 27. Rxd8+ Rxd8 28. Re3 Nxh2+ 29. Kg2 Ng4 30. Rf3+
Bf6 31. Qb4+ Kg8 32. a4 Qh2+ 33. Kf1 Qh1+ 34. Ke2 Qd1# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Costa, Kerginaldo"]
[Black "Soares, Joao Carlos"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "146"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 Be7 4. Nf3 Nf6 5. g3 O-O 6. e5 Nfd7 7. Bg2 c5 8. O-O
Nc6 9. Re1 b5 10. Nbd2 a5 11. h4 b4 12. c4 ({RR} 12. Nf1 Ba6 13. c4 bxc3 14.
bxc3 Ndxe5 15. Nxe5 Nxe5 16. Qxe5 Bf6 17. Qe2 Bxc3 18. Bb2 Bxe1 19. Rxe1 Rb8
20. Be5 Rb6 21. Bc3 Rd6 22. Qd2 a4 23. d4 Bxf1 24. Bxf1 c4 25. Bb4 Rb6 26. Bxf8
Qxf8 {Edouard,R (2514)-Lagarde,M (2600) L'Alpe d'Huez FRA 2023 1-0 (51)}) 12...
bxc3 13. bxc3 Ba6 14. c4 $146 ({RR} 14. a3 Rb8 15. h5 a4 16. Rb1 Na5 17. Rxb8
Qxb8 18. c4 Nb6 19. cxd5 exd5 20. Nf1 c4 21. d4 Nb3 22. Bf4 Qc8 23. h6 c3 24.
Qc2 g6 25. Re3 Bxa3 26. Rxc3 Bc4 27. N1d2 Bb4 28. Re3 Qf5 {Junker,C (1946)
-Nichols,M (2124) Bad Homburg 2017 0-1 (56)}) 14... Nb6 15. a4 Nb4 16. Rd1 Qd7
17. Ba3 Nxa4 18. Rdc1 Nb6 19. Nf1 Rfd8 20. Ne3 dxc4 21. dxc4 Qd3 22. Qxd3 Nxd3
23. Rc3 Rab8 24. Bf1 Nb4 25. Rcc1 Bb7 26. Ne1 Ra8 27. Rd1 Kf8 28. Rxd8+ Bxd8
29. Nd1 Bc6 30. Nc3 Ke8 31. Bc1 h6 32. Be3 Be7 33. f4 Kd8 34. Kf2 Kc7 35. Rc1
Kb7 36. Nb5 Bxb5 37. cxb5 Rc8 38. Nd3 Nxd3+ 39. Bxd3 Nd5 40. Bd2 Kb6 41. Ra1
Nb4 42. Bc4 Rd8 43. Bc3 g5 44. hxg5 hxg5 45. Kf3 gxf4 46. gxf4 Rh8 47. Ke4 Rh3
48. Ra3 Re3+ 49. Kxe3 Nc2+ 50. Kd3 Nxa3 51. Bb2 Nxb5 52. f5 Nc7 53. fxe6 fxe6
54. Ke4 Bf8 55. Ba3 Bh6 56. Kd3 a4 57. Bb2 Bg5 58. Bc3 Bc1 59. Kc2 Ba3 60. Bd2
Kc6 61. Ba5 Nd5 62. Bd2 Bb4 63. Bh6 Be1 64. Kb1 Bc3 65. Bg7 Bb4 66. Bh6 Bc3 67.
Bg7 Bd4 68. Ka2 Kd7 69. Bd3 Nb4+ 70. Ka3 Nxd3 71. Kxa4 Bxe5 72. Bh6 Kc6 73. Kb3
Kd5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cruz, Natan"]
[Black "Cella, Glaucio"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 g5 ({RR} 4... b6 5. e4 Be7 6. e5 Nh7 7.
Bg3 Bb7 8. Ngf3 Ng5 9. Nxg5 hxg5 10. c3 d6 11. Qc2 Nd7 12. O-O-O d5 13. Kb1 c5
14. dxc5 Nxc5 15. Bb5+ Kf8 16. Rhf1 g6 17. f4 g4 18. Be2 Rc8 19. Nb3 {Vitiugov,
N (2742)-Sargissian,G (2686) Dubai 2014 1-0 (39)}) 5. Bg3 Nh5 6. Be5 ({RR} 6.
e3 Nxg3 7. hxg3 Bg7 8. Bd3 d6 9. c3 Nc6 10. g4 Qe7 11. Qf3 Bd7 12. Ne2 O-O-O
13. Ng3 Kb8 14. O-O-O d5 15. e4 dxe4 16. Ndxe4 Bc8 17. Nh5 f5 18. gxf5 exf5 19.
Neg3 Bxd4 20. cxd4 Nxd4 {Jankowiak,P (2046)-Golubka,P (2371) Ostrava CZE 2023
0-1 (43)}) 6... Ng7 $146 ({RR} 6... f6 7. e3 Ng7 8. Bg3 d6 9. h4 Qe7 10. Bd3
Nf5 11. hxg5 fxg5 12. Bh2 Qf7 13. Qf3 Nh4 14. Qxf7+ Kxf7 15. g3 Ng6 16. f4 Nc6
17. O-O-O g4 18. Ne2 d5 19. c3 Nce7 20. Rdf1 Bd7 21. Bg1 {Garcia,M (2130)
-Filgueira,H (2315) Buenos Aires 1996 0-1 (53)}) 7. Ne4 f5 8. Bf6 Be7 9. Bxg7
Rh7 10. Be5 d6 11. Bxd6 cxd6 12. Nc3 Qb6 13. Rb1 Nd7 14. e3 Nf6 15. Bc4 Bd7 16.
Bb3 Bc6 17. f3 Kd7 18. Qd3 d5 19. Nge2 g4 20. fxg4 Nxg4 21. Nf4 Rg7 22. g3 Nf6
23. Qe2 Rg5 24. Nd3 Bd6 25. Na4 Bxa4 26. Bxa4+ Ke7 27. c3 Ne4 28. Nf2 Nxc3 29.
bxc3 Qxb1+ 30. Bd1 Rc8 31. O-O Qb6 32. Bb3 Rxc3 33. Nh3 Rg7 34. Qh5 Rxe3 35.
Rd1 Bxg3 36. Kh1 Re1+ 37. Rxe1 Bxe1 38. Qd1 Bc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Cunha, Lucas Aguiar"]
[Black "Quintiliano, Renato"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be2 Nf6 6. O-O Nc6 7. Qe3 e6 8. c4
Be7 9. Rd1 O-O 10. Nc3 Qc7 11. b3 Rd8 $146 ({RR} 11... Nb8 12. Bb2 b6 13. Rac1
Bb7 14. h3 Nbd7 15. Nd4 Rac8 16. Ba3 Qb8 17. f4 Rfe8 18. Bf3 Bf8 19. Kh1 d5 20.
Bxf8 dxe4 21. Nxe4 Rxf8 22. Ng5 h6 23. Ne4 Nxe4 24. Bxe4 Bxe4 25. Qxe4 Nf6 26.
Qe3 {Zilleruelo Irizarry,D (2081)-Marin,G (2141) chess.com INT 2022 1-0}) 12.
Bb2 Bd7 13. Rac1 Ne5 14. Nd4 Qc5 15. Kh1 Rac8 16. f4 Ng6 17. f5 exf5 18. exf5
Ne5 19. Bf3 Rb8 20. Qf4 h6 21. Be2 Re8 22. Nc2 b5 23. cxb5 axb5 24. Nb4 Nfg4
25. Bxg4 Bg5 26. Qe4 Bxc1 27. Rxc1 Nc4 28. Nd3 Qa7 29. Qf4 Nxb2 30. Nxb2 Rbc8
31. Nd3 Qe3 32. Qf1 b4 33. Re1 Qxd3 34. Ne2 Qe3 35. Rc1 Rxc1 36. Nxc1 Qd2 37.
Be2 Bb5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Dantas, Neimar"]
[Black "Pessoa, Marcio"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "139"]
[EventDate "2021.??.??"]

1. d4 f5 2. Nf3 d5 3. c4 e6 4. g3 Nf6 5. Bg2 c6 6. Qc2 Bd6 7. O-O O-O 8. b3 Qe7
9. Nbd2 ({RR} 9. Nc3 Bd7 10. Na4 Be8 11. Nb2 Nbd7 12. Nd3 Ne4 13. Bf4 Ba3 14.
Nfe5 g5 15. Nxd7 Bxd7 16. Be5 b6 17. f3 Nf6 18. c5 bxc5 19. dxc5 a5 20. Bd6 Qg7
21. Bxf8 Qxf8 22. Qc3 Bc8 23. b4 axb4 {Karpov,A (2670)-Jussupow,A (2583)
Ajaccio 2007 1-0 (38)}) 9... a5 $146 ({RR} 9... Nbd7 10. Bb2 Ne4 11. e3 g5 12.
Ne1 g4 13. Nd3 Ndf6 14. Nf4 Bd7 15. Nxe4 fxe4 16. a4 Rf7 17. Qc1 Qe8 18. Ba3
Bc7 19. Rd1 Rg7 20. Kf1 h5 21. Ke2 h4 22. Bb4 Rd8 23. c5 Nh7 24. Bc3 {Zugic,I 
(2450)-Jussupow,A (2618) Philadelphia 2002 1/2-1/2 (70)}) ({RR} 9... Ne4 10. c5
Bc7 11. Ne5 Bxe5 12. dxe5 Nd7 13. Nf3 Qxc5 14. Qd3 Qe7 15. b4 a5 16. b5 c5 17.
a4 b6 18. Bb2 Bb7 19. e3 Rfc8 20. Rfc1 Rc7 21. Rc2 Rac8 22. Rac1 g5 23. h3 Nf8
24. Nd2 {Nusser,H (1684)-Gundersen,H (2008) Bad Woerishofen GER 2023 0-1 (32)})
10. Ne5 Bd7 11. Ndf3 Be8 12. Bd2 Ne4 13. Ne1 Nd7 14. N1d3 Nxd2 15. Qxd2 Nxe5
16. Nxe5 g5 17. f4 g4 18. c5 Bc7 19. a3 Kg7 20. e3 h5 21. h4 gxh3 22. Bxh3 Bxe5
23. fxe5 Qg5 24. Kh2 Bg6 25. Qf2 Rh8 26. Qf4 Qe7 27. Qh4 Qf7 28. Rf4 Raf8 29.
Qg5 Rh6 30. Rh4 Kh7 31. Rf1 Qg7 32. Bg2 Rg8 33. Bf3 Qf8 34. Qf4 Be8 35. Be2 Qg7
36. Rf2 Rh8 37. Kg1 Kg8 38. Rfh2 Rg6 39. Kf2 Rg5 40. Qf3 Bf7 41. Qg2 Kf8 42.
R2h3 Ke7 43. Qh1 Rg8 44. Qh2 Rg4 45. Qg2 Rxh4 46. Rxh4 Qg5 47. Qf3 Qh6 48. Qf4
Rg5 49. Qf3 Rg4 50. Qh1 Qg5 51. Bxg4 fxg4 52. Qd1 Qf5+ 53. Kg1 Qe4 54. Qe1 Bg6
55. b4 Qd3 56. Rh2 Qxa3 57. bxa5 Be4 58. Rxh5 Kd7 59. Qd2 Kc7 60. Rh4 Bf3 61.
Kf2 Kb8 62. Rh6 Qa1 63. a6 Qxa6 64. Rxe6 Qa1 65. Rh6 Qb1 66. Rh8+ Kc7 67. Qa5+
Kd7 68. Qd8+ Ke6 69. Qf6+ Kd7 70. Qd6# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Deves, Rafael"]
[Black "Santos, Jarlison"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. Qd2 c6 6. O-O-O b5 7. f3 Qa5 8. Kb1
b4 9. Nce2 Be6 10. Nc1 Nbd7 11. Nb3 $146 ({RR} 11. Bh6 Bxh6 12. Qxh6 Nb6 13.
Nb3 Qh5 14. Qe3 Bxb3 15. cxb3 c5 16. g4 cxd4 17. Qxd4 Qc5 18. Qxc5 dxc5 19.
Bb5+ Nfd7 20. a4 a6 21. Bc6 O-O-O 22. a5 Ne5 23. Bd5 Nxd5 24. exd5 e6 25. d6
Kb7 {Buza,A-Adam,V Bucharest 1971 0-1 (57)}) ({RR} 11. h4 Nb6 12. e5 Nfd5 13.
exd6 Nc3+ 14. bxc3 bxc3 {0-1 (14) Qiao,C (1785)-Fier,A (2570) chess.com INT
2023}) 11... Bxb3 12. cxb3 h5 13. Bd3 Qb6 14. Ne2 a5 15. e5 dxe5 16. dxe5 Nd5
17. Bc4 e6 18. Bxd5 cxd5 19. Be3 Qb7 20. f4 Rc8 21. Rc1 O-O 22. Rxc8 Rxc8 23.
Rc1 f6 24. exf6 Bxf6 25. Rxc8+ Qxc8 26. Qc2 Qxc2+ 27. Kxc2 Bd8 28. Nd4 Kf7 29.
Nc6 Bc7 30. g3 Kf6 31. Kd3 e5 32. fxe5+ Nxe5+ 33. Nxe5 Kxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Duailibi, Ricardo"]
[Black "Cardoso, Lucas do Valle"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 d6 6. h3 Nbd7 7. Bh2 Qe8 8. O-O
e5 9. c4 Qe7 10. Nc3 c6 11. Qc2 Re8 12. Rfe1 ({RR} 12. dxe5 Nxe5 13. Nxe5 dxe5
14. Rfd1 Bf5 15. Bd3 Bxd3 16. Rxd3 Rad8 17. Rad1 Rxd3 18. Qxd3 h5 19. Bg3 Qe6
20. Bh4 e4 21. Qe2 Nd7 22. Bg3 Bxc3 23. bxc3 Nc5 24. Rd6 Qe7 25. Qd2 h4 26. Bh2
Nd3 {Tabatabaei,M (2629)-Mamedyarov,S (2770) chess.com INT 2020 0-1 (40)}) ({RR
} 12. Rfd1 b6 13. b4 Bb7 14. c5 bxc5 15. bxc5 dxc5 16. dxe5 Nd5 17. Rab1 Nxe5
18. Nxe5 Nxc3 19. Qxc3 Bc8 20. f4 Bf5 21. Rbc1 f6 22. Nxc6 Qxe3+ 23. Qxe3 Rxe3
24. Bc4+ Kf8 25. Kf1 Rae8 26. Bg1 Ra3 {Garrido,D (2227)-Minina,V (2057) chess.
com INT 2023 1-0}) 12... h6 13. Rad1 $146 ({RR} 13. a3 Nh7 14. b4 Ng5 15. Nxg5
hxg5 16. Qd2 exd4 17. exd4 Qf6 18. Bg4 Rd8 19. Rad1 Bh6 20. Ne4 Qg7 21. Nxd6 f5
22. Ne8 Qf7 23. Nc7 fxg4 24. Nxa8 gxh3 25. Nc7 Nf6 26. Qc2 Bf8 27. Ne6 Re8 {
Kunz,K (2138)-Basel,M (2035) Schweinfurt 2012 1-0 (66)}) 13... Nh7 14. e4 Ng5
15. d5 Nxf3+ 16. Bxf3 c5 17. g4 Nf8 18. Bg3 Nh7 19. Rb1 h5 20. Kg2 hxg4 21.
Bxg4 Rf8 22. Bxc8 Raxc8 23. h4 Nf6 24. Qe2 Nh5 25. Qg4 Kh7 26. Qf3 Bh6 27. Qg4
Qe8 28. Qd1 f5 29. exf5 gxf5 30. Nb5 Qg6 31. Qc2 Rg8 32. Kh1 Qg4 33. Qe2 Qh3+
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Farias, Igor"]
[Black "da Rosa, Henrique"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. O-O h6 6. b3 Bd6 7. Bb2 O-O 8. Nbd2
Nbd7 9. c4 c6 10. c5 Bc7 11. b4 a6 ({RR} 11... Re8 12. Nh4 Bh7 13. f4 Ne4 14.
Nhf3 f6 15. Bh3 Nxd2 16. Qxd2 Be4 17. Nh4 f5 18. Nf3 Kh7 19. Ne5 Nxe5 20. dxe5
Rg8 21. Bd4 a6 22. a4 g5 23. e3 h5 24. Qe2 Qe8 25. Kf2 g4 26. Bg2 {Zupancic,J 
(2250)-Kozlovic,J (1773) Otocec SLO 2021 1/2-1/2 (53)}) 12. Re1 Re8 13. Nh4
$146 ({RR} 13. Ne5 Nxe5 14. dxe5 Nd7 15. f4 b6 16. Ba3 bxc5 17. bxc5 Bb8 18. e4
Bh7 19. Qa4 Qc7 20. Rac1 Ba7 21. Kh1 a5 22. exd5 exd5 23. Nb3 Bd3 24. Nd4 Nb8
25. Bxd5 Bb5 26. Nxb5 cxb5 27. Qxb5 Qd7 {Da Silva,E (1680)-Scardini,L (1294)
Florianopolis BRA 2019 1-0 (33)}) 13... Bh7 14. f4 Ne4 15. Bxe4 dxe4 16. Ng2
Nf6 17. Ne3 Nd5 18. Qb3 h5 19. Nxd5 exd5 20. e3 Qd7 21. Qd1 Qh3 22. Qe2 Bf5 23.
Qg2 Qg4 24. Kf2 h4 25. Rg1 h3 26. Qf1 Qh5 27. Qd1 Bg4 28. Qb3 g5 29. fxg5 Qxg5
30. Raf1 Re6 31. Ke1 a5 32. a3 axb4 33. axb4 Ra2 34. Rf4 Bxf4 35. exf4 Rxb2 36.
Qxb2 Qf5 37. Rf1 e3 38. Nf3 Qd3 39. Rg1 Bxf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Fedrizzi, Roberto"]
[Black "Assad, Leonardo"]
[Result "1/2-1/2"]
[ECO "B82"]
[PlyCount "144"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8.
O-O e5 9. Nc3 Bc5 10. h3 O-O ({RR} 10... Nd7 11. Qe2 Bd4 12. Nd1 Nc5 13. Bc2
Qh4 14. Be3 Ne6 15. Qg4 Qf6 16. Qf5 Qe7 17. Qf3 O-O {0-1 (17) Ariskin,A (2335)
-Landa,K (2505) Krasnoyarsk 1998}) ({RR} 10... g5 11. Kh1 g4 12. h4 Nxe4 13.
Nxe4 Qxh4+ 14. Kg1 g3 15. Nxg3 Qxg3 16. Qh5 Be6 17. Be2 O-O-O 18. Qh2 Qxh2+ 19.
Kxh2 Rhg8 20. g3 f5 21. a3 Rdf8 22. Be3 Bxe3 23. fxe3 Rd8 24. Rad1 Rxd1 25.
Rxd1 {Shadrina,E (1563)-Dishman,M (1896) Reykjavik ISL 2023 0-1 (41)}) 11. Bg5
Be6 $146 ({RR} 11... h6 12. Bh4 Be6 13. Qf3 g5 14. Bg3 g4 15. Qe2 Nh5 16. Kh2
Qg5 17. h4 Qf6 18. Rad1 b5 19. b3 Rfd8 20. cxb5 axb5 21. Bb1 Bd4 22. Qc2 Rac8
23. Ne2 c5 24. Nxd4 cxd4 25. Qd3 Bd7 26. Rc1 {Mizik,T (2078)-Hando,V (2339)
Hungary 2015 0-1 (53)}) 12. Qf3 Be7 13. Be2 h6 14. Be3 Nd7 15. g4 Bg5 16. Nd1
Qe7 17. Bxg5 Qxg5 18. Ne3 Qf4 19. Qxf4 exf4 20. Ng2 g5 21. f3 Ne5 22. b3 Rfd8
23. Rfd1 Kf8 24. Ne1 Ke7 25. Nd3 Nxd3 26. Bxd3 c5 27. Bc2 Rxd1+ 28. Rxd1 Rd8
29. Rxd8 Kxd8 30. Kf2 Kc7 31. Ke2 Kd6 32. Kd3 Ke5 33. Bd1 Bd7 34. Bc2 Kd6 35.
Kc3 Be6 36. Bd3 Bd7 37. a4 Kc6 38. Be2 Kb6 39. Bd3 Ka5 40. Be2 b5 41. axb5 axb5
42. cxb5 Bxb5 43. Bc4 f6 44. Kd3 Be8 45. Kc3 Bg6 46. Bd5 Kb5 47. Bc4+ Kc6 48.
Bd5+ Kd6 49. Kc4 h5 50. Kb5 hxg4 51. hxg4 Be8+ 52. Kc4 Bd7 53. Ba8 Be6+ 54. Bd5
Bc8 55. Kc3 Ba6 56. Bc4 Bb7 57. Bb5 Bc8 58. Bc4 Ke5 59. Kd3 Bb7 60. Bb5 Bc8 61.
Bc4 Bb7 62. Bb5 f5 63. gxf5 g4 64. fxg4 Bxe4+ 65. Ke2 Bg2 66. Bc4 Be4 67. Be6
Bc2 68. Kd2 Be4 69. Bc4 Bf3 70. Be2 Bd5 71. Bc4 Bf3 72. Be2 Bd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Ferreira, Andrei"]
[Black "Kruger, Israel"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8.
Bd2 a6 ({RR} 8... a5 9. a3 Bxc3 10. Bxc3 e5 11. O-O-O O-O 12. Nd2 d5 13. exd5
Nxd5 14. Nc4 Qc5 15. Bxe5 Nxe5 16. Qxe5 Be6 17. Ne3 Rac8 18. Rxd5 Bxd5 19. Qxd5
Qc7 20. Bd3 g6 21. h4 Rfd8 22. Qe4 Re8 23. Qd4 {Stromhaug,K (1932)-Popovic,D 
(2291) Belgrade SRB 2023 1-0 (46)}) 9. a3 Bxc3 10. Bxc3 Qc7 11. g3 $146 ({RR} 
11. g4 h6 12. f3 b6 13. O-O-O Bb7 14. Qd2 O-O-O 15. Be2 Ne5 16. Qd6 Qxd6 17.
Rxd6 Nc6 18. Rhd1 Kc7 19. a4 Ne8 20. R6d2 d6 21. Nd4 Nf6 22. Nxc6 Bxc6 23. a5
b5 24. Bd4 Nd7 25. Bxg7 Bxe4 {Gourion,D (2014)-Gravagna,P (2038) France 2009
1-0}) 11... b5 12. Bg2 Bb7 13. Nc5 Ne7 14. Nxb7 Qxb7 15. Rd1 O-O 16. O-O Rad8
17. Bxf6 gxf6 18. e5 Qc7 19. exf6 Ng6 20. Rfe1 Qc5 21. h4 Qf5 22. h5 Qxf6 23.
hxg6 hxg6 24. Qe5 Qxe5 25. Rxe5 d5 26. Bf1 Kg7 27. a4 Rb8 28. axb5 axb5 29. Rd3
Rfc8 30. Re2 b4 31. Rb3 Rb6 32. Rd2 Rcb8 33. f4 Kf6 34. Bg2 Ke7 35. Kf2 Kd6 36.
Ke2 Kc5 37. Rd1 Rh8 38. Rh1 Rxh1 39. Bxh1 Ra6 40. c3 bxc3 41. Rxc3+ Kd4 42. Rc7
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Ferreira, Fernando G"]
[Black "Pinheiro, Pedro"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Bf5 3. c4 e6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 Nf6 7. e3 h6 $146 (
{RR} 7... Nc6 8. Nf3 Be4 9. c5 Qe7 {1/2-1/2 (9) Jacobs,F-Groot Bruinderink,L
Rijswijk 2000}) 8. Nf3 O-O 9. Qb3 b6 10. cxd5 Nxd5 11. Bg3 Ne7 12. Be2 Nbc6 13.
O-O Qd7 14. Rfd1 Qc8 15. c4 Bh7 16. Rd2 Nf5 17. Bf4 Nce7 18. d5 Ng6 19. dxe6
Nxf4 20. exf7+ Rxf7 21. exf4 Kh8 22. Ne5 Re7 23. c5 Qf8 24. Bf3 Rae8 25. Bc6
Rc8 26. Rad1 Rxe5 27. fxe5 Ne7 28. Bb7 Rb8 29. c6 Qf4 30. Qe6 Qf8 31. Rd7 Ng8
32. Rxc7 Re8 33. Qf7 Qxf7 34. Rxf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Filgueiras, Nathan"]
[Black "Trevisan, Rodrigo"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Qc7 ({RR
} 7... Be7 8. Ng3 Be6 9. O-O Nc6 10. f4 exf4 11. Rxf4 g6 12. Be3 h5 13. h3 Ne5
14. Qe2 h4 15. Nh1 Nh5 16. Rf2 Bg5 17. Raf1 O-O 18. Qd2 Bxe3 19. Qxe3 Kg7 20.
Ne2 Rc8 21. Nd4 Bd7 22. Be2 {Moiseenko,V (2526)-Dominguez Perez,L (2758)
Moscow RUS 2019 0-1 (72)}) 8. O-O Be6 ({RR} 8... Be7 9. Kh1 b5 10. a4 b4 11.
Nd5 Nxd5 12. exd5 O-O 13. f4 f5 14. c3 bxc3 15. Nxc3 Nd7 16. Be3 Rb8 17. Rc1
Qd8 18. Rc2 exf4 19. Bxf4 Ne5 20. Qe2 Nxd3 21. Qxd3 Bf6 22. Nd1 Rb4 23. Rc4 {
Yaniv,Y (2305)-Ratnesan,R (2269) Thessaloniki GRE 2022 1-0 (37)}) 9. Ng3 $146 (
{RR} 9. f4 Nbd7 10. Kh1 Rc8 11. f5 Bc4 12. Bg5 Be7 13. Ng3 h5 14. Nge2 b5 15.
b3 d5 16. exd5 Bxd3 17. Qxd3 Nc5 18. Qh3 b4 19. Bxf6 Bxf6 20. Nd1 Ne4 21. Qe3
Nd6 22. c4 bxc3 23. Ndxc3 h4 {Dgebuadze,A (2544)-Roeder,M (2398) Belgium 2012
1-0 (44)}) 9... h5 10. h3 Nbd7 11. Be3 b5 12. f4 h4 13. Nge2 b4 14. Na4 Qc6 15.
c3 Bc4 16. b3 Bxd3 17. Qxd3 Qxe4 18. Qxe4 Nxe4 19. cxb4 d5 20. fxe5 Bxb4 21.
Rad1 Rh5 22. Rxd5 Rxe5 23. Rxe5+ Nxe5 24. Rf4 f5 25. Rxf5 O-O-O 26. Nd4 Re8 27.
Bf4 Nd3 28. Rf7 Re7 29. Rf8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Fontoura, Alexandre"]
[Black "Franca Jr, Jairo"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 e6 7. Bb2 a6 8.
O-O-O Be7 9. Kb1 Qc7 ({RR} 9... O-O 10. g4 d5 11. exd5 exd5 12. g5 Ne4 13. Nxe4
dxe4 14. Qe1 Bb4 15. Rxd8 Bxe1 16. Rxf8+ Kxf8 17. Bg2 Bf5 18. Ba3+ Kg8 19. Bc5
Bd2 20. Ne2 Bg4 21. Ng3 Bf3 22. Rg1 Bxg2 23. Rxg2 Bxg5 24. Nf5 {Andreikin,D 
(2702)-Zhao Jun (2601) China CHN 2018 1/2-1/2}) 10. f4 $146 ({RR} 10. h4 b5 11.
f3 Bb7 12. h5 h6 13. a3 Nd7 14. f4 O-O-O 15. Nf3 Nc5 16. Qe3 b4 17. axb4 Nxb4
18. Qd4 Qa5 19. Qxg7 Nxe4 20. Na4 Rhf8 21. Qd4 d5 22. Ne5 Kb8 23. Bd3 Nd6 24.
c3 Nxd3 {Gutenev,A (2455)-Ekdyshman,M (2315) Sochi RUS 2021 1-0 (59)}) ({RR} 
10. f3 O-O 11. g4 b5 12. h4 Nd7 13. g5 Bb7 14. h5 Rac8 15. Bh3 b4 16. Nce2 Nd8
17. Rc1 Qc5 18. Bd4 Qxg5 19. f4 Qb5 20. Ng3 f5 21. Bf1 Qa5 22. Bg2 fxe4 23.
Nxe4 Qf5 24. Qe2 d5 {Ristic,L (2318)-Bilbija,Z (1830) Belgrade SRB 2023 1-0 
(37)}) 10... b5 11. a3 O-O 12. Nf3 b4 13. axb4 Nxb4 14. Nd4 Bb7 15. Bd3 Rfc8
16. f5 e5 17. Nf3 Qa5 18. Rhe1 Bc6 19. Bc4 Bb5 20. Bd5 Nfxd5 21. exd5 e4 22.
Rxe4 Bf6 23. Nd4 Ra7 24. Rde1 h6 25. Ndxb5 axb5 26. Re8+ Rxe8 27. Rxe8+ Kh7 28.
Rb8 Nxd5 29. b4 Nxc3+ 30. Bxc3 Qxb4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Gazineu Neto, Rubens"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5
8. O-O Qc7 9. c4 ({RR} 9. Qe2 a6 10. Re1 cxd4 11. Nxd4 Bc5 12. Nb3 Bd6 13. h3
Bd7 14. c4 Ba4 15. Nd4 Bb4 16. Bd2 Bxd2 17. Qxd2 Rd8 18. Qc3 Qd6 19. Bc2 Bxc2
20. Nxc2 O-O 21. b4 Qd2 22. Qxd2 Rxd2 23. Ne3 Ne4 {Kalosha,Z (2170)-Genocchio,
D (2361) Bassano del Grappa ITA 2023 0-1 (65)}) 9... cxd4 10. Nxd4 Bd7 11. Qe2
Be7 $146 ({RR} 11... Bd6 12. h3 O-O 13. Bg5 Qc5 14. Bxf6 gxf6 15. Rad1 Rad8 16.
Qg4+ Qg5 17. Qe4 Qg7 18. Qxb7 f5 19. Bb1 Bc8 20. Qxa7 Rd7 21. Qb6 Bb7 22. Nc6
Bc7 23. Qc5 Rfd8 24. Rxd7 Rxd7 25. b4 Bd6 26. Qb6 {Pflughaupt,W-Lachmann,H
Bochum 1955 1-0 (48)}) 12. Bd2 O-O 13. Rfe1 Bd6 14. h3 a6 15. Bc3 Rad8 16. Nf3
Be7 17. Ne5 Bc8 18. Red1 Rfe8 19. g4 h6 20. h4 g5 21. hxg5 hxg5 22. Qe3 Rxd3
23. Qxg5+ Kf8 24. Qh6+ Kg8 25. Rxd3 Ne4 26. Ng6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Guimaraes, Diogo Duarte"]
[Black "Sekula, Markley"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 {Malich,B} e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. O-O Nxe5 7.
dxe5 Nc5 8. Be2 Be7 ({RR} 8... c6 9. Be3 Ne6 10. c3 Bc5 11. Bxc5 Nxc5 12. Nd2
O-O 13. Nb3 Qb6 14. Nxc5 Qxc5 15. Qd4 Qe7 16. Bd3 Be6 17. f4 c5 18. Qf2 f5 19.
Rad1 Rad8 20. Be2 b6 21. Bf3 Rd7 22. Rd2 Rfd8 23. Rfd1 {Caruana,F (2781)
-Dominguez Perez,L (2756) Saint Louis USA 2022 1-0 (60)}) 9. f4 ({RR} 9. Nc3 c6
10. Be3 O-O 11. f4 g6 12. b4 Ne6 13. f5 Bxb4 14. fxe6 Bxc3 15. exf7+ Rxf7 16.
Rxf7 Kxf7 17. Qf1+ Kg8 18. Rd1 Bxe5 19. c4 Be6 20. cxd5 Bxd5 21. Bf3 Qd6 22. h3
b6 23. Bxd5+ cxd5 {Mirzaiee Rad,J (1721)-Spiegelberg,S (1934) Dusseldorf GER
2023 0-1 (36)}) 9... c6 10. Be3 Ne4 11. c4 $146 ({RR} 11. Nc3 Bf5 ({RR} 11...
Nxc3 12. bxc3 Qa5) 12. Nxe4 Bxe4 13. Bd3 Bxd3 14. Qxd3 Qa5 15. Kh1 Bc5 16. Bd2
Qa4 17. f5 O-O-O 18. b4 ({RR} 18. a3) 18... Bxb4 19. Rf4 d4 20. Qc4 c5 21. Bxb4
Qxb4 22. Qxf7 Rd7 23. Qe6 Qb6 24. Qc4 Qc6 25. e6 Rd5 {Suetin,A-Malich,B Minsk 
(Belarus) 1964 EXT 2003 [Malich,B] 1/2-1/2}) 11... O-O 12. cxd5 cxd5 13. Nd2
Bc5 14. Bxc5 Nxc5 15. Nf3 Bf5 16. Nd4 Be4 17. b4 Ne6 18. Nb5 Qb6+ 19. Kh1 Qe3
20. f5 Nf4 21. Bf3 Bd3 22. Re1 Qf2 23. Nd6 Bc2 24. Rf1 Bxd1 25. Rxf2 Ba4 26.
Rd2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Jenidarchiche, Douglas"]
[Black "Silva, Alex Castro"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "142"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. Qc2 c5 7. e4 cxd4 8. Nxd4
d6 9. Be2 O-O ({RR} 9... a6 10. O-O Qc7 11. Be3 Nbd7 12. Rac1 Rc8 13. b4 Qb8
14. Qb3 Nxe4 15. Nxe4 Bxe4 16. Rfd1 Qa8 17. f3 Bb7 18. a4 O-O 19. a5 bxa5 20.
bxa5 Nc5 21. Qa2 Rfd8 22. Rb1 d5 23. cxd5 Bxd5 24. Qa1 {Hernando Rodrigo,J 
(2208)-Durarbayli,V (2625) chess.com INT 2023 0-1 (53)}) 10. Be3 ({RR} 10. O-O
Nbd7 11. Rd1 a6 12. Bg5 Rc8 13. Rac1 Re8 14. f3 Qc7 15. Qd2 Qb8 16. Kh1 Rc5 17.
b4 Rc7 18. Nc2 Ne5 19. Ne3 Rd8 20. Qe1 Ng6 21. Nf1 Bc6 22. Be3 b5 23. Qf2 Rdc8
24. Nd2 Ba8 {Saidy,A (2332)-Granda Zuniga,J (2641) Los Angeles 2003 1-0 (46)})
10... Nbd7 11. O-O d5 $146 ({RR} 11... Rc8 12. Rad1 a6 13. f4 Qc7 14. g4 Nc5
15. Bf3 Ne8 16. g5 e5 17. fxe5 dxe5 18. Nf5 Nd6 19. Nd5 Bxd5 20. cxd5 g6 21.
Nh6+ Kg7 22. Rc1 Qd8 23. Qg2 Nd3 24. Rxc8 Qxc8 25. Be2 Nc4 26. Bc1 {Hernando
Rodrigo,J (2271)-Salgado Lopez,I (2594) Marbella ESP 2019 0-1 (39)}) 12. exd5
exd5 13. Bf3 Ne5 14. Bxd5 Bxd5 15. Nxd5 Nxd5 16. cxd5 Qxd5 17. Rad1 Qc4 18. Qf5
Bf6 19. h4 Qc8 20. Bg5 Qxf5 21. Nxf5 Bxg5 22. hxg5 Rad8 23. f4 Nc4 24. Ne7+ Kh8
25. Nc6 Rde8 26. Rf2 Ne3 27. Re1 Ng4 28. Rfe2 Rxe2 29. Rxe2 a5 30. g3 h5 31.
gxh6 Nxh6 32. Ne5 Rd8 33. Kf2 Rd4 34. Nf3 Ng4+ 35. Kg2 Rd7 36. Kh3 Nf6 37. g4
Rd3 38. Kg3 Rb3 39. f5 g5 40. fxg6 fxg6 41. Kf4 Nd5+ 42. Ke5 Ne3 43. Kf6 Nd5+
44. Ke5 Rxf3 45. Kxd5 Kg7 46. g5 Kf7 47. Kc6 Rb3 48. Rf2+ Kg7 49. Kc7 b5 50.
Kb6 Rg3 51. Kxa5 Rxg5 52. Kb4 Re5 53. b3 g5 54. Kc3 Kg6 55. Kd4 Re1 56. Kc5 Re3
57. Kb4 g4 58. a4 bxa4 59. bxa4 Kg5 60. a5 g3 61. Rg2 Kg4 62. a6 Kf3 63. Ra2
Re8 64. Kb5 g2 65. Ra1 Kf2 66. a7 Re5+ 67. Kc6 Re8 68. Kb7 Re7+ 69. Kb8 Rxa7
70. Kxa7 g1=Q 71. Rxg1 Kxg1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Lage, Pedro"]
[Black "Setti, Eduardo"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. cxd5 cxd5 5. Bf4 g6 6. e3 Bg7 7. Bd3 ({RR} 7.
h4 O-O 8. h5 Nxh5 9. Rxh5 gxh5 10. Qxh5 e6 11. Nf3 f5 12. Be2 Nc6 13. Kd1 {
1-0 (13) Bommini,M (2108)-Shtyka,S (2154) chess.com INT 2022}) 7... O-O 8. Nge2
Nc6 9. O-O a6 $146 ({RR} 9... Bg4 10. f3 Be6 11. Bg3 a6 12. Nf4 Bd7 13. Nfxd5
Nxd5 14. Nxd5 Be6 15. Nc7 Rc8 16. Nxe6 fxe6 17. Qb3 Kh8 18. Qxe6 Nxd4 19. exd4
Qxd4+ 20. Kh1 Qxd3 21. Qxe7 Rc2 22. Qxb7 Rxb2 23. Qe4 Qd2 24. Rf2 {Rego,V 
(2353)-Richardd (2401) lichess.org 2019 0-1 (35)}) 10. Rc1 Bd7 11. Na4 Nb4 12.
Bc7 Qe8 13. Nb6 Nxd3 14. Qxd3 Bb5 15. Qc2 Ra7 16. a4 Bxe2 17. Qxe2 a5 18. Rc5
Ra6 19. Qb5 e6 20. f3 Qxb5 21. axb5 Rxb6 22. Bxb6 Nd7 23. Bxa5 Nxc5 24. dxc5
Bxb2 25. Rb1 Ba3 26. c6 bxc6 27. b6 Rb8 28. b7 Bd6 29. Rb6 Bc5 30. Rb3 Bd6 31.
Rb6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Leite, Coraci"]
[Black "Peres, Wallafe"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "149"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf5 Qf6 ({RR} 5... Nf6 6. Bg5 d5
7. Bxf6 gxf6 8. Qxd5 Qxd5 9. exd5 Bxf5 10. dxc6 bxc6 11. Bd3 Bxd3 12. cxd3 Rb8
13. b3 Rg8 14. g3 Rg4 15. Nc3 Bb4 16. Rc1 Rd8 17. Ke2 f5 18. Rhd1 Rgd4 19. f3
Ba3 20. Rc2 {Shmuter,L (2460)-Stripunsky,A (2510) Volgograd 1994 0-1 (35)}) ({
RR} 5... d6 6. Ne3 Nf6 7. Nc3 Be6 8. Bc4 Nd4 9. Bd5 Rb8 10. O-O Be7 11. a4 O-O
12. a5 a6 13. f4 Nc6 14. f5 Bd7 15. Nc4 Nb4 16. Nb6 Nbxd5 17. Nbxd5 Rc8 18. Be3
Bc6 19. Bb6 Qd7 20. Nxf6+ {Angjelkoski,M (1829)-Shterijov,S Ohrid MKD 2019 1-0
(53)}) 6. Nc3 Bb4 $146 ({RR} 6... Nge7 7. Nd6+ Kd8 8. Bc4 a6 9. Nxf7+ Kc7 10.
Nxh8 d6 11. Nf7 h6 12. O-O g5 13. Qd2 Qg6 14. Rd1 Ng8 15. Nd5+ Kb8 16. Nb6 Ra7
17. Nxd6 Bxd6 18. Qxd6+ Qxd6 19. Rxd6 Kc7 20. Nxc8 {1-0 (20) Fachri,H (1490)
-Buncke,J (1617) Neumuenster 2003}) 7. Bc4 Nge7 8. Nxe7 Bxc3+ 9. bxc3 Qxe7 10.
Bb2 Qc5 11. Bb3 O-O 12. O-O Qe7 13. a4 Qg5 14. Qf3 Qg6 15. Rad1 d5 16. Rxd5 Be6
17. Rd6 h5 18. Qe3 h4 19. Rfd1 Qh5 20. Bxe6 fxe6 21. h3 Na5 22. Qd3 Rac8 23.
Rd7 Rf4 24. Bc1 Rf6 25. Ba3 Nc4 26. Rd8+ Rxd8 27. Qxd8+ Kh7 28. Be7 Rf7 29. Bc5
b6 30. Be3 Rf8 31. Qxf8 Qxd1+ 32. Kh2 Nxe3 33. fxe3 Qxc2 34. Qf3 Qxa4 35. Qh5+
Kg8 36. Qxe5 Qc6 37. Qd4 Qc7+ 38. e5 Qe7 39. Kg1 b5 40. Kf1 Qc7 41. Ke1 Qc6 42.
e4 a5 43. Kd2 Kh7 44. Kd3 a4 45. Qb4 Qa6 46. Kc2 a3 47. Kb1 Qc6 48. Ka2 Qc7 49.
Qd4 Qa5 50. Qc5 Qa8 51. Qd4 Qa5 52. Qb4 Qc7 53. Kxa3 Qxe5 54. Qd4 Qc7 55. e5
Qe7+ 56. Qd6 Qa7+ 57. Kb4 Qa4+ 58. Kc5 Qc4+ 59. Kb6 Qxc3 60. Kxb5 Qb2+ 61. Kc5
Qc3+ 62. Kb6 Qb3+ 63. Kc7 Kg6 64. Kd7 Kf5 65. Qf8+ Kg6 66. Qe8+ Kf5 67. Qf7+
Kxe5 68. Qxg7+ Kf5 69. Qg4+ Ke5 70. Qg5+ Kd4 71. Qxh4+ Kc5 72. Qf2+ Kb4 73.
Qb6+ Kc4 74. Qxb3+ Kxb3 75. Kxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Lima da Silva, Fabio"]
[Black "Fernandes, Pedro G"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bf4 c5 ({RR} 4... d5 5. e3 c5 6. c3 Qb6 7.
Qb3 c4 8. Qc2 Bf5 9. Qc1 Nc6 10. Nbd2 Bg7 11. Be2 O-O 12. O-O Rfe8 13. Nh4 Nxd2
14. Qxd2 Be4 15. f3 Bf5 16. Nxf5 gxf5 17. Bg3 Rad8 18. b3 cxb3 19. axb3 {
Ehlvest,J (2613)-Krasenkow,M (2643) Jurmala 2013 1/2-1/2 (38)}) 5. c3 Qb6 ({RR
} 5... Bg7 6. Nbd2 Nxd2 7. Qxd2 b6 8. e3 d6 9. Be2 O-O 10. O-O Bb7 11. Rad1 Qc7
12. dxc5 bxc5 13. h3 Nd7 14. Bh2 Nf6 15. Rfe1 Ne4 16. Qc2 Qb6 17. Nd2 Nxd2 18.
Rxd2 Bc6 19. a3 a5 20. f3 {Rubio Tent,F (2282)-Zaczek,J (2055) chess.com INT
2023 1-0 (48)}) 6. Qc2 $146 ({RR} 6. Qb3 Qxb3 7. axb3 cxd4 8. Nxd4 Na6 9. Nb5
Nec5 10. b4 Ne6 11. Be3 d5 12. N1a3 b6 13. g3 Bg7 14. Bg2 Bb7 15. O-O O-O 16.
Rfd1 Rfd8 17. f4 Nac7 18. Nd4 Bxd4 19. Bxd4 Nxd4 20. Rxd4 Ne6 {Appleberry,M 
(2310)-Patrat,A (2245) Paris 1992 1/2-1/2 (41)}) 6... d5 7. e3 Bg7 8. Nbd2 O-O
9. dxc5 Nxc5 10. b4 Bf5 11. bxc5 Qxc5 12. Bd3 Bxd3 13. Qxd3 Nc6 14. Bg3 e5 15.
Nb3 e4 16. Nxc5 exd3 17. Rc1 Na5 18. Nd4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Lima, Darcy Gustavo"]
[Black "Rocha, Vitor Firmo"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 6. Nxd4 Nc6 7. Be3 d6 8. Be2
O-O 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 Nd7 13. Be3 a5 14. b3 Nc5 15.
Rab1 Qb6 16. Rfc1 Rfc8 17. Rc2 Qd8 18. a3 a4 ({RR} 18... h5 19. Bf1 Bd7 20. Nd5
e6 21. Nc3 Qe7 22. Bg5 Qf8 23. Bf4 e5 24. Be3 a4 25. b4 Nb3 26. Qd1 Bh6 27.
Bxh6 Qxh6 28. Qxd6 Be6 29. Nb5 Nd4 30. Nxd4 Qe3+ 31. Kh1 exd4 32. b5 Rd8 33.
Qb4 {Ivanchuk,V (2720)-Larsen,B (2535) Roquebrune 1992 1/2-1/2 (45)}) ({RR} 
18... h5 19. b4 axb4 20. axb4 Na4 21. Nd5 e6 22. Nf4 Qf6 23. Bf1 Be8 24. Ne2
Qe7 25. Rd1 b5 26. cxb5 Rxc2 27. Qxc2 Bxb5 28. Nd4 Bxf1 29. Kxf1 Qb7 30. Qc6
Qxc6 31. Nxc6 Bf8 32. b5 Nc5 33. Bxc5 {Savanovic,A (2410)-Gracia Alvarez,G 
(2308) chess.com INT 2020 1-0 (34)}) 19. b4 Nb3 20. Qd3 e5 21. Bf1 $146 ({RR} 
21. b5 Be8 22. Nxa4 Nd4 23. Bxd4 exd4 24. Nb2 Qg5 25. Qb3 Qc5 26. Nd3 Qxa3 27.
Nb4 Bd7 28. Qxa3 Rxa3 29. Ra2 Rxa2 30. Nxa2 Ra8 31. Nb4 Be6 32. Nd5 Ra2 33. Kf1
Be5 34. h3 Bxd5 35. cxd5 Bf4 {Grigorjev,I (2342)-Shvedchikov,A (2331) Elets
2014 1/2-1/2 (66)}) 21... h5 22. Rd1 Kh7 23. Qxd6 Qxd6 24. Rxd6 Nd4 25. Rd2 Bf8
26. R6xd4 exd4 27. Bxd4 Rd8 28. Nd5 Bg7 29. Bb6 Rd7 30. b5 Bxd5 31. exd5 Bc3
32. Rd1 Ba5 33. Bxa5 Rxa5 34. c5 b6 35. c6 Rd6 36. Bc4 Kg7 37. Re1 Kf8 38. Re4
Ra7 39. Kf2 Rd8 40. Ke3 Re7 41. Kd4 Rd6 42. h4 f6 43. Bd3 Rd8 44. Bc2 Kf7 45.
Bxa4 Ra8 46. Bb3 Rxe4+ 47. fxe4 Ke7 48. e5 fxe5+ 49. Kxe5 Rd8 50. a4 Rf8 51.
d6+ Ke8 52. Be6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Lima, Vinicius Taishun"]
[Black "Cilento, Lucas"]
[Result "1-0"]
[ECO "B46"]
[PlyCount "145"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. e5 Ne7 8.
Bd3 Ng6 ({RR} 8... Qa5 9. Qe2 Nd5 10. Bd2 Bb4 11. Nxd5 Bxd2+ 12. Qxd2 Qxd2+ 13.
Kxd2 cxd5 14. b4 d6 15. f4 Ke7 16. Ke3 Bd7 17. a4 h6 18. b5 Rhb8 19. Kd4 Rb7
20. bxa6 Rb4+ 21. Ke3 dxe5 22. fxe5 Bc8 23. Rhb1 {Timman,J (2675)-Ljubojevic,L
(2610) Amsterdam 1988 1/2-1/2 (51)}) 9. Qe2 Qc7 10. f4 d5 11. O-O $146 ({RR} 
11. exd6) 11... c5 12. b3 Be7 13. Nd1 Bb7 14. c4 dxc4 15. Bxc4 Nh4 16. Ne3 g6
17. Bb2 Qc6 18. Rad1 Nf5 19. Nxf5 gxf5 20. Rf3 Rg8 21. Rg3 Rxg3 22. hxg3 Rd8
23. Rxd8+ Bxd8 24. Bc3 Kd7 25. Kh2 Kc8 26. Qd2 Bc7 27. Bf1 Bb6 28. Qd1 c4 29.
bxc4 Qc5 30. Be2 Qf2 31. Qf1 Qc5 32. Bh5 Qa3 33. Bxf7 Qxc3 34. Bxe6+ Kb8 35.
Bxf5 Qd2 36. Bxh7 Bf2 37. e6 Qe3 38. Qd3 Bxg3+ 39. Kh3 Bxg2+ 40. Kxg2 Qf2+ 41.
Kh3 Qh2+ 42. Kg4 Qh4+ 43. Kf3 Qxf4+ 44. Ke2 Qg4+ 45. Kd2 Bf4+ 46. Kc2 Qg2+ 47.
Kb3 Qb7+ 48. Kc3 Be5+ 49. Kc2 Qg2+ 50. Qd2 Qxd2+ 51. Kxd2 Bf6 52. Kd3 Kc7 53.
c5 Be7 54. Kd4 Bf6+ 55. Kd5 Be7 56. Be4 Bf6 57. Kc4 Bh4 58. Kb4 Be7 59. Bd3 Kc6
60. Be4+ Kc7 61. a4 Bf8 62. Ka5 Bxc5 63. Kxa6 Kd6 64. Kb5 Be3 65. Bd5 Bg5 66.
Bb3 Kc7 67. Kc5 Be3+ 68. Kd5 Bf2 69. Bc4 Bh4 70. Bb5 Be7 71. Ke5 Kb6 72. Kf5
Kc7 73. Kg6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Limp, Eduardo Thelio"]
[Black "Cabral, Denrick"]
[Result "1-0"]
[ECO "D87"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8.
Ne2 Nc6 9. Be3 O-O 10. O-O b6 11. Rc1 Bb7 12. f3 ({RR} 12. Bb5 Rc8 13. Qd2 cxd4
14. cxd4 Qd6 15. Rfd1 Qb4 16. Qd3 e6 17. h4 Rfd8 18. Bg5 Nxd4 19. Bxd8 Rxd8 20.
h5 Be5 21. a4 Kg7 22. Kf1 Nxe2 23. Qxe2 Rxd1+ 24. Rxd1 a6 25. Bxa6 Bxa6 26.
Qxa6 Qxe4 {Ding,L (2806)-Rapport,R (2764) http://www.chessbomb.com 2022 1/2-1/
2 (40)}) 12... e6 13. Qd2 Rc8 14. Rfd1 Qd6 $146 ({RR} 14... cxd4 15. cxd4 Na5
16. Bd3 Qd7 17. h4 Rxc1 18. Rxc1 Rc8 19. h5 Rxc1+ 20. Qxc1 Qc8 21. Qxc8+ Bxc8
22. h6 Bf8 23. Bg5 Nc6 24. Kf2 Ba3 25. g4 Nb4 26. Bc4 Bd7 27. Bc1 Bxc1 28. Nxc1
f6 29. f4 {Gallego Alcaraz,A (2523)-Audi,A (2418) Novi Sad SRB 2022 1/2-1/2}) (
{RR} 14... cxd4 15. cxd4 Na5 16. Bd3 Qd7 17. Qb4 Rxc1 18. Rxc1 Rc8 19. Rxc8+
Qxc8 20. Qc3 Qd7 21. Kf2 Nc6 22. Qc4 Na5 23. Qc3 Nc6 24. Qc4 Na5 25. Qc3 Nc6
26. Qc4 Na5 27. Qc3 Nc6 28. Qc4 Na5 29. Qc3 {Aaryan,V (2339)-Chen,Q (2465)
Doha QAT 2023 1/2-1/2}) 15. e5 Qd7 16. Ng3 Ne7 17. Ne4 Bxe4 18. fxe4 cxd4 19.
cxd4 b5 20. Be2 Qb7 21. Bd3 Rxc1 22. Rxc1 b4 23. Rc5 a6 24. Qc2 Rc8 25. Rxc8+
Nxc8 26. Qa4 h5 27. Qxa6 Qd7 28. Bb5 Qd8 29. Qa8 Kh7 30. Ba4 Bh6 31. Bf2 Qc7
32. Qc6 Qa5 33. Qb5 Qc7 34. Qxb4 Qc1+ 35. Qe1 Qb2 36. Bb3 Bd2 37. Qd1 Ne7 38.
h3 Nc6 39. d5 exd5 40. exd5 Nxe5 41. d6 Nd3 42. Bb6 Nf4 43. Qf1 Kg7 44. Qf2
Qc1+ 45. Kh2 Qc6 46. Qxd2 Nxg2 47. d7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Lopes, Wendell"]
[Black "da Cruz, Emerson"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. h3 ({RR} 6. Be3 cxd4 7.
cxd4 e6 8. Nc3 Qd6 9. Qa4+ Nc6 10. Ne5 Be7 11. Nxg4 Nxg4 12. d5 Nxe3 13. dxc6
O-O-O 14. cxb7+ Kb8 15. Ne4 Qb6 16. Bb5 Rd4 17. Qb3 Rxe4 18. Rc1 Ng4+ 19. Kd1
Nxf2+ 20. Kc2 Nxh1 {Bortnyk,O (2604)-Sarana,A (2668) chess.com INT 2022 0-1 
(80)}) ({RR} 6. Na3 e6 7. Nb5 Na6 8. Be2 Be7 9. h3 Bh5 10. O-O O-O 11. c4 Qd8
12. Bf4 cxd4 13. Nfxd4 Bxe2 14. Qxe2 Qb6 15. Rfd1 Rfd8 16. Nf5 Bf8 17. Nfd6 Nc5
18. b4 Ncd7 19. c5 Qc6 20. Rac1 a6 {Dwilewicz,K (2112)-Vila Dupla,A (2030)
chess.com INT 2023 1-0}) 6... Bh5 7. Be2 $146 ({RR} 7. Na3 Bxf3 8. Qxf3 Qxf3 9.
gxf3 e6 10. Bc4 a6 11. Bf4 cxd4 12. cxd4 Nc6 13. Nc2 Rc8 14. Bb3 Na5 15. Ba4+
b5 16. Bb3 Nxb3 17. axb3 Rxc2 18. Rxa6 Bb4+ 19. Kf1 O-O 20. Kg2 Nd5 21. Bd6
Bxd6 {Wilsonneto (1708)-Berardino (2550) lichess.org 2021 0-1}) 7... e6 8. Bf4
Be7 9. O-O O-O 10. Re1 Nc6 11. Qd3 Rad8 12. Nbd2 cxd4 13. cxd4 Nxd4 14. Nxd4
Bxe2 15. Rxe2 Bc5 16. N2f3 Bxd4 17. Nxd4 Qxd4 18. Qxd4 Rxd4 19. Be3 Re4 20. Rc2
Nd5 21. Bxa7 h6 22. a3 b6 23. Rc6 Ra4 24. Bxb6 Ra6 25. a4 Rxb6 26. Rxb6 Nxb6
27. b4 Nd5 28. b5 Rb8 29. Rc1 Ra8 30. Ra1 Ra5 31. Kf1 Kf8 32. Ke2 Rxa4 33. Rxa4
Nc3+ 34. Kd3 Nxa4 35. Kc4 Ke7 36. Kb4 Nb6 37. Kc5 Nd5 38. b6 Kd7 39. b7 Kc7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Mariano, Marceley M"]
[Black "Proudian, Armen"]
[Result "0-1"]
[ECO "C70"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d3 ({RR} 6. d4 exd4 7.
cxd4 b5 8. Bc2 d5 9. e5 Bg7 10. Nbd2 O-O 11. h3 f6 12. exf6 Rxf6 13. O-O Qf8
14. Re1 h6 15. Re3 Nf5 16. Rd3 Nd6 17. Ne5 Nb4 18. Rf3 Nxc2 19. Qxc2 Bf5 20.
Qc5 Nf7 {Karjakin,S (2776)-Aronian,L (2808) Monte Carlo 2011 1/2-1/2 (31)})
6... Bg7 7. h4 ({RR} 7. Nbd2 d6 8. Nf1 Bg4 9. h3 Bd7 10. Ng3 f5 11. exf5 Nxf5
12. Nxf5 gxf5 13. Bg5 Bf6 14. Bxf6 Qxf6 15. Qd2 h6 16. O-O-O O-O-O 17. Rhe1
Rhg8 18. Rg1 f4 19. Kb1 Ne7 20. Bc2 Nd5 21. d4 Rge8 {Mustakova,K-Perozo
Arteaga,A (1689) lichess.org INT 2022 1-0 (33)}) 7... d5 8. Qe2 $146 ({RR} 8.
h5 Bg4 9. hxg6 hxg6 10. Rxh8+ Bxh8 11. Bg5 f6 12. Be3 b5 13. Bb3 d4 14. cxd4
exd4 15. Bf4 Ne5 16. Bxe5 fxe5 17. a4 c5 18. Qc1 Bxf3 19. gxf3 Rc8 20. axb5
axb5 21. Qh6 Kd7 22. Ra7+ Kd6 {Jordan,W (2267)-Illingworth,M (2401) North
Geelong 2012 1-0}) 8... Bg4 9. Be3 O-O 10. Nbd2 d4 11. cxd4 Nxd4 12. Bxd4 exd4
13. O-O-O b5 14. Bc2 c5 15. Kb1 Nc6 16. Bb3 Rc8 17. Rc1 Qd6 18. Qf1 a5 19. Nh2
Bd7 20. f4 a4 21. Bd1 a3 22. e5 Qe7 23. b3 Nb4 24. Ne4 c4 25. dxc4 Bf5 26. Bf3
bxc4 27. bxc4 Qb7 28. Qe2 Nd3+ 29. Kc2 Nxf4 30. Kd1 Nxe2 31. Nf6+ Bxf6 32. Bxb7
Nxc1 33. Bxc8 Rxc8 34. exf6 Nxa2 35. g4 Be4 36. Re1 Nc3+ 37. Kd2 a2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Marquezini, Paulo E"]
[Black "Oliveira, Joao Victor"]
[Result "1/2-1/2"]
[ECO "B44"]
[PlyCount "140"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 Bb4 7. Bd2 ({RR} 
7. Qd4 Bf8 8. Be3 d6 9. O-O-O Bd7 10. Bc4 c5 11. Qd3 a6 12. e5 dxe5 13. Ne4 Qc7
14. Bxc5 Bxc5 15. Nxc5 Qxc5 16. Qxd7+ Kf8 17. Qd6+ Qxd6 18. Rxd6 a5 19. Rhd1
Nf6 20. Rb6 g6 21. Rb7 Rc8 {Szelag,M (2468)-Berzinsh,I (2209) Warsaw 2008 1-0 
(49)}) 7... Qa5 $146 ({RR} 7... d5 8. exd5 cxd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11.
a3 Bxc3 12. Bxc3 f6 13. O-O e5 14. Qf3 Ne7 15. Rfd1 O-O 16. Bb4 e4 17. Qb3 Rfe8
18. Bxe7 Qxe7 19. Rxd5 Qe6 20. Rb5 Qxb3 21. Rxb3 f5 22. Re1 {Lafeber,
E-Derlagen,H Hengelo 2001 1-0 (59)}) ({RR} 7... Qc7 8. Bd3 Ne7 9. a3 Ba5 10.
O-O O-O 11. b4 Bb6 12. Qg4 d5 13. Rfe1 dxe4 14. Bxe4 f5 15. Bxf5 exf5 16. Qh4
Ng6 17. Qc4+ Kh8 18. a4 Ne5 19. Qh4 Ng4 20. Be3 Bxe3 21. fxe3 Qe5 22. Nd1 {
Reis Neto,A (1649)-Cabral,V (1744) Florianópolis - Santa Catari 2023 0-1}) 8.
a3 Bd6 9. Bc4 Qc5 10. Ba2 Nf6 11. O-O Ba6 12. Re1 O-O 13. Be3 Qe5 14. f4 Qh5
15. Qxd6 Ng4 16. h3 f5 17. Qxd7 Rad8 18. Qxe6+ Kh8 19. Qxc6 Nxe3 20. Qxa6 Nxc2
21. Qxa7 Qh4 22. Qf2 Qxf2+ 23. Kxf2 Nxa1 24. Rxa1 Rd2+ 25. Kf3 Rxb2 26. exf5
Rxf5 27. Rd1 h6 28. Rd8+ Kh7 29. Bb1 Rxb1 30. Nxb1 Rb5 31. Rd1 Rb3+ 32. Kg4 Rb2
33. g3 g6 34. h4 h5+ 35. Kh3 Kg7 36. Nd2 Rc2 37. g4 Rc3+ 38. Kg2 Rxa3 39. Ne4
Ra2+ 40. Kf3 Ra3+ 41. Ke2 hxg4 42. Rg1 Ra2+ 43. Kd3 Ra3+ 44. Kc2 Kh6 45. Rxg4
Kh5 46. Nf6+ Kh6 47. Rg1 Ra6 48. Ng8+ Kh5 49. Ne7 Kxh4 50. Nxg6+ Kh5 51. f5 Rd6
52. Kc3 Kh6 53. Kc4 Rf6 54. Ne7 Rf7 55. Rg6+ Kh5 56. Re6 Kg5 57. Kd5 Kf4 58.
Kd6 Kg5 59. Ke5 Rf8 60. Rg6+ Kh5 61. f6 Re8 62. Kf5 Kh4 63. f7 Rf8 64. Kf4
Rxf7+ 65. Ke5 Rxe7+ 66. Kf6 Rb7 67. Kf5 Rb5+ 68. Ke4 Kh5 69. Rg1 Rg5 70. Rxg5+
Kxg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Marra, Eduardo"]
[Black "Silva, Kaua Marques"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "101"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. c3 Be7 7. d3 O-O 8. Na3
Re8 9. Nc4 Bf8 10. Bg5 d6 11. O-O h6 12. Bxf6 Qxf6 13. Ne3 Be6 14. Nd2 Qd8 ({RR
} 14... g5 15. a4 Bg7 16. Ndc4 Rad8 17. Nd5 Qg6 18. Nce3 h5 19. g4 hxg4 20.
Nxg4 Bxd5 21. exd5 Ne7 22. Ne3 f5 23. h3 Kf7 24. Bf3 Rh8 25. Kg2 Rh4 26. Rh1
Rdh8 27. Rh2 Qh7 28. Rah1 Ng6 29. Qd1 {Zapalowska,W (1684)-Dwilewicz,K (2112)
Karpacz POL 2023 0-1 (36)}) 15. Bf3 $146 ({RR} 15. f4 f6 16. f5 Bf7 17. Bf3 Ne7
18. c4 Nc6 19. Bh5 Qd7 20. Bxf7+ Qxf7 21. Nf3 Be7 22. h4 Bd8 23. Kh2 Kf8 24. a3
a5 25. Rab1 Ke7 26. Nd5+ Kd7 27. b4 axb4 28. axb4 Nxb4 29. Nxb4 cxb4 {
Demchenko,A (2655)-Munguntuul,B (2433) Riga LAT 2021 1-0 (57)}) 15... g6 16.
Bg4 h5 17. Bxe6 fxe6 18. Ng2 Bh6 19. f4 d5 20. Nh4 Kg7 21. f5 exf5 22. exf5 Qg5
23. Rad1 Qe3+ 24. Qxe3 Bxe3+ 25. Kg2 g5 26. f6+ Kf7 27. Nf5 Bxd2 28. Nd6+ Kf8
29. Nxe8 Bxc3 30. Nc7 Rc8 31. Ne6+ Kf7 32. Nxg5+ Kg6 33. f7 Kxg5 34. f8=Q Rxf8
35. Rxf8 Bxb2 36. Rb1 Bd4 37. Rxb7 Nb4 38. Rd7 Nxd3 39. Rd6 Ne1+ 40. Kf1 Nd3
41. Rxd5 Kg4 42. Rd7 e4 43. Rxa7 e3 44. Re7 Nc1 45. Re4+ Kg5 46. a4 h4 47.
gxh4+ Kh5 48. a5 Nb3 49. Ke2 c4 50. Rxd4 Nxd4+ 51. Kxe3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Matsuura, Everaldo"]
[Black "Gauche, Charles"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "21"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8.
Bxe2 Be7 9. Nc3 c6 10. O-O-O Nbd7 11. h3 $146 ({RR} 11. Rhe1 h6 12. Bh4 Nf8 13.
Ne4 Be6 14. Nxf6+ Bxf6 15. Bxf6 gxf6 16. Nd4 Rg8 17. Bf3 Kd7 18. Re3 Rg5 19.
Rde1 d5 20. g3 Kd6 21. Bd1 Re5 22. Nf3 Rxe3 23. fxe3 Ng6 24. Rf1 c5 25. Ng1 Ke7
{Georgiev,K (2470)-Radev Iordanov,N (2365) Primorsko 1987 1-0 (42)}) ({RR} 11.
Rde1 h6 12. Bd2 O-O 13. h3 d5 14. g4 Bd6 15. Rhg1 Re8 16. g5 hxg5 17. Nxg5 Nf8
18. h4 Bf5 19. h5 Ne6 20. Nxe6 Rxe6 21. Rg5 Bh7 22. Reg1 Bf8 23. Bd1 Rae8 24.
Be3 b6 25. Ne2 c5 {Demchenko,A (2654)-Mekhitarian,K (2569) chess.com INT 2022
1-0 (125)}) ({RR} 11. Rhe1 O-O 12. Bf1 Bd8 13. d4 d5 14. Bd3 h6 15. Bh4 Nh7 16.
Bxd8 Rxd8 17. Re2 Ndf6 18. Rde1 Bd7 19. Kd2 Re8 20. Rxe8+ Rxe8 21. Rxe8+ Bxe8 {
1/2-1/2 (21) Roienko,A (2167)-Bykovskiy,O (2199) Vinnytsia UKR 2022}) 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Mazetto, Sergio Luiz"]
[Black "Santanna, Paulo"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 a6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 b5 6. Bd3 Qb6 7. Nb3 Qc7 8.
Qe2 Bb7 9. O-O b4 10. Nd1 a5 11. Kh1 Nc6 12. Be3 Nf6 13. f4 d6 $146 ({RR} 13...
h5 14. c3 Ng4 15. Bg1 Bd6 16. Nd4 Bxf4 17. Nb5 Qb8 18. Qf3 g5 19. g3 Nce5 20.
Qe2 Nxd3 21. Qxd3 f5 22. Rxf4 gxf4 23. Ba7 Rxa7 24. Qd4 Bxe4+ 25. Kg1 Qxb5 26.
Qxh8+ Ke7 27. Qg7+ Kd8 28. Qg5+ {Ince,T (1704)-Ozdemir,S (2139) Antalya TUR
2020 0-1}) 14. Nf2 Be7 15. Nd4 Nxd4 16. Bxd4 e5 17. Be3 O-O 18. fxe5 dxe5 19.
Bg5 Ne8 20. Bd2 Nf6 21. Ng4 Nxg4 22. Qxg4 Kh8 23. Rf3 Ba6 24. Rg3 g6 25. Rf1
Bc8 26. Qe2 Bh4 27. Bg5 Bxg5 28. Rxg5 Qe7 29. Rg3 Be6 30. b3 Kg7 31. Qh5 f6 32.
Qe2 g5 33. Qh5 h6 34. h3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Medeiros, Fabricio"]
[Black "Freitas, Mauricio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "39"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. O-O Nxe5 7. Bxd7+ ({RR} 7.
Nxe5 Bxb5 8. Re1 Nf6 9. Nc3 Bc6 10. Bg5 cxd4 11. Qxd4 Be7 12. Ne2 O-O 13. Ng3
h6 14. Be3 a6 15. f4 Bd7 16. Rad1 Rc8 17. c3 Bc5 18. Qd3 Bb5 19. Qc2 Bxe3+ 20.
Rxe3 d4 21. Ree1 Qb6 {Kutsenko,L-Rodriguez Perez,R (2124) Madrid 2001 0-1 (59)}
) ({RR} 7. dxe5 Bxb5 8. Re1 Ne7 9. Ng5 Ng6 10. Nc3 Bc6 11. Qf3 Qc7 12. h4 h6
13. Nh3 Nxe5 14. Qh5 Ng6 15. Rxe6+ fxe6 16. Qxg6+ Qf7 17. Qg3 O-O-O 18. Bf4 Qd7
19. Re1 Bd6 20. a3 g5 21. Bxd6 Qxd6 {Subelza,C-Brito Vicente De Paulo Alenca
lichess.org INT 2020 1-0}) 7... Nxd7 8. c3 Be7 $146 ({RR} 8... cxd4 9. Qxd4
Ngf6 10. Bg5 Bc5 11. Qd1 O-O 12. b4 Be7 13. Na3 a5 14. Nc2 Ne4 15. Bxe7 Qxe7
16. Qd3 Rfc8 17. Ne3 Rxc3 18. Qd4 Qxb4 19. Qd1 b5 20. a4 Rb3 21. axb5 Qxb5 22.
Nd4 Qb4 23. Nxb3 {Valero Sanz,A-Gutierrez Gonzalez,R Valencia 2004 1-0 (34)})
9. Re1 Ngf6 10. Ne5 O-O 11. Bf4 cxd4 12. cxd4 Nxe5 13. Bxe5 Qb6 14. b3 Nd7 15.
Bxg7 Kxg7 16. Qg4+ Kh8 17. Re3 Nf6 18. Qh3 Qxd4 19. Nc3 Rac8 20. Nb5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Melo, Igor"]
[Black "Fogaca, Vinicius"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. h5 e6 7. f4 c5 8. c3 Nc6 9.
Nf3 Qb6 10. a3 ({RR} 10. Kf2 f6 11. Kg3 a6 12. Na3 Nge7 13. Nc2 cxd4 14. cxd4
f5 15. Bd3 fxg4 16. Nh4 Nf5+ 17. Bxf5 exf5 18. Bd2 Be6 19. Bc3 Be7 20. Ng6 Rg8
21. Ne3 Qd8 22. Qd3 Qd7 23. a3 Bd8 24. Bb4 Bb6 {LCZero v0.24-sv-t60-3010 (3958)
-ScorpioNN 3.0.7.1 (3812) tcec-chess.com INT 2020 1-0 (115)}) ({RR} 10. Rh2 Rc8
11. Be3 a6 12. Bd3 cxd4 13. cxd4 Na5 14. Rc2 Ne7 15. Nbd2 Bb5 16. Rxc8+ Nxc8
17. Qc2 Bxd3 18. Qxc8+ Qd8 19. Qc3 Bh7 20. Rc1 Nc6 21. a3 Be7 22. Nb3 O-O 23.
Ke2 Qb6 24. Nc5 Rd8 {Anadkat,K (2147)-Deepan,C (2457) New Delhi IND 2022 0-1 
(53)}) 10... cxd4 11. cxd4 Na5 12. Nbd2 $146 ({RR} 12. Nc3 Rc8 13. Rh2 Ne7 14.
Qd3 a6 15. Rb1 Nec6 16. f5 Nb3 17. Be3 Nca5 18. g5 Nc4 19. g6 Qa5 20. gxf7+ Kd8
21. Rc2 Bb5 22. Bf2 Nxa3 23. Bh4+ Be7 24. Bxe7+ Kxe7 25. f6+ gxf6 26. exf6+ Kd6
{Zvara,P (2290)-Guliev,S (2465) Pardubice 1993 1-0}) 12... Bb5 13. b4 Nc4 14.
Nxc4 Bxc4 15. Qa4+ Qc6 16. Qxc6+ bxc6 17. Bxc4 dxc4 18. Bd2 Ne7 19. Rc1 Nd5 20.
Rxc4 Kd7 21. Kf2 Be7 22. Rhc1 Rhc8 23. f5 a5 24. bxa5 Bxa3 25. Rb1 Rcb8 26.
Rxb8 Rxb8 27. Ra4 Bb2 28. a6 Ra8 29. a7 Kc7 30. Ne1 Bc3 31. Bxc3 Nxc3 32. Ra1
Kb7 33. Ke3 Rxa7 34. Rxa7+ Kxa7 35. fxe6 fxe6 36. Nd3 Kb6 37. Nc5 Nd5+ 38. Ke4
Nc7 39. Nd7+ Kb5 40. Nf8 Kc4 41. Nd7 Kb5 42. Kd3 Nd5 43. Nc5 Kb4 44. Nxe6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Monteiro, Marcos Paulo"]
[Black "Federzoni, Enzo"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Nf3 Bg7 7. Bf4 c5 8.
dxc5 Bxc3+ 9. bxc3 Qxd1+ 10. Rxd1 Na4 ({RR} 10... N6d7 11. g3 Nxc5 12. Nd4 Nba6
13. Bg2 Bd7 14. O-O Rc8 15. Bh6 f6 16. Rb1 b6 17. c4 Nc7 18. Be3 Kf7 19. Rfc1
Rhd8 20. f4 N7e6 21. Bd5 Kf8 22. Nxe6+ Nxe6 23. Bxe6 Bxe6 24. c5 bxc5 25. Rxc5
{Yao,S (2309)-Holtel,J (2405) Spilimbergo ITA 2022 1/2-1/2 (32)}) 11. e3 Nxc5
12. Bc4 Be6 $146 13. Bxe6 Nxe6 14. Bh6 Nd7 15. Nd4 Ndc5 16. O-O O-O-O 17. Nxe6
Nxe6 18. e4 g5 19. Rd5 f6 20. Rfd1 Rxd5 21. exd5 Rd8 22. g3 Nc7 23. c4 b5 24.
cxb5 Rxd5 25. Rxd5 Nxd5 26. f4 gxf4 27. Bxf4 Nxf4 28. gxf4 Kb7 29. Kf2 Kb6 30.
Kf3 Kxb5 31. Kg4 Kc5 32. h4 e5 33. h5 e4 34. h6 e3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Moyses Sobrinho, Elias"]
[Black "Moreira, Cleber Naief"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. h3
c6 9. dxe5 dxe5 10. Be3 Qe7 11. Qc2 a5 ({RR} 11... Nh5 12. Rfe1 Nc5 13. Rad1
Ne6 14. c5 Nhf4 15. Bf1 Qf6 16. Nh2 Nd4 17. Bxd4 exd4 18. Na4 Re8 19. Qb3 Rb8
20. Qg3 b5 21. cxb6 axb6 22. b4 Bd7 23. a3 c5 24. Nb2 Nh5 25. Qb3 Nf4 26. Qg3 {
Lukov,V (2470)-Sakaev,K (2580) Cappelle-la-Grande 1997 1/2-1/2 (37)}) 12. Na4 (
{RR} 12. Nd2 Nc5 13. Nb3 Ne6 14. a4 Nd7 15. Rad1 Ndc5 16. f3 Nxb3 17. Qxb3 Nd4
18. Bxd4 exd4 19. Na2 Be6 20. Qc2 Qc5 21. Kh1 b5 22. b3 Rab8 23. Rb1 Rfd8 24.
Bd3 bxa4 25. bxa4 Be5 26. Qd2 Bc7 {Pascheto,A (1827)-Takano,N (2077) Sao Paulo
BRA 2019 0-1 (41)}) 12... Nh5 13. g3 f5 $146 ({RR} 13... Re8 14. Kh2 Bf8 15. c5
Ng7 16. Bc4 Ne6 17. Bxe6 Qxe6 18. Rad1 h6 19. h4 Nf6 20. Nb6 Qh3+ 21. Kg1 Bg4
22. Nh2 Bxd1 23. Rxd1 Rad8 24. Rxd8 Rxd8 25. Nc4 Nxe4 26. Nxe5 Qf5 27. Nhg4
Nxg3 28. Qc4 {Mestdagh,F (1937)-Migot,T (2114) Avoine 2009 0-1 (35)}) 14. exf5
gxf5 15. Nh4 f4 16. Nf5 Qg5 17. Nxg7 Qxg7 18. Bxh5 fxe3 19. fxe3 Nf6 20. Nb6
Bxh3 21. Nxa8 Qxg3+ 22. Kh1 Bxf1 23. Rxf1 Qh3+ 24. Kg1 Qxh5 25. Qf5 Qxf5 26.
Rxf5 Kf7 27. Nb6 Ke6 28. Rf2 Rd8 29. c5 Ne4 30. Rh2 Rd1+ 31. Kg2 Rd2+ 32. Kh3
Rxh2+ 33. Kxh2 Nxc5 34. Nc4 a4 35. Nb6 Kf5 36. Kg3 Ke4 37. Kf2 Nd3+ 38. Ke2
Nxb2 39. a3 h5 40. Nd7 Kd5 41. Nf6+ Kc4 42. Nxh5 Kb3 43. Nf6 Kxa3 44. Nd7 Nc4
45. Nc5 b5 46. Kd3 Kb2 47. Nxa4+ bxa4 48. Kxc4 a3 49. Kc5 a2 50. Kxc6 a1=Q 51.
Kd5 Kb3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Nascimento, Christian"]
[Black "Brito, Luismar"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 c6 3. Nc3 d5 4. e3 Nbd7 5. Nf3 g6 6. Bd3 Bg7 7. Qd2 ({RR} 7.
Qe2 O-O 8. O-O Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Qb6 12. Qh4 e5 13. Rae1
Qxb2 14. dxe5 Nc5 15. Bf6 Nxd3 16. cxd3 Qxa2 17. Re4 Bf5 18. Rf4 Be6 19. Bxg7
Kxg7 20. Qf6+ Kg8 21. Ng5 h5 {Conquest,S (2540)-Stefansson,H (2540) Gardaboer
1996 1/2-1/2}) ({RR} 7. h4 h6 8. Bf4 Qa5 9. Qd2 b5 10. Ne5 Nxe5 11. dxe5 Nh5
12. Bh2 b4 13. Ne2 Rb8 14. Nd4 Bb7 15. e6 Rc8 16. exf7+ Kxf7 17. g4 Nf6 18. h5
Ne4 19. Bxe4 dxe4 20. hxg6+ Kxg6 21. a3 c5 {Guzman Lozano,C (1837)-Bogaudinov,
R (1853) chess.com INT 2023 1-0 (32)}) 7... O-O 8. O-O-O $146 ({RR} 8. e4 Nxe4
9. Nxe4 dxe4 10. Bxe4 f6 11. Bh6 Nb6 12. Bxg7 Kxg7 13. O-O Re8 14. Qc3 Nd5 15.
Qd2 Be6 16. Rfe1 Bf7 17. b3 Nc7 18. c4 e5 19. Rad1 exd4 20. Qb2 c5 21. b4 f5
22. Bd3 Rxe1+ {Bourgoin,J (1520)-Daugan,R (1499) Ile et Vilaine 2012 1-0 (45)})
8... Qe8 9. e4 dxe4 10. Bxe4 Nb6 11. Bd3 Bg4 12. Qf4 Qc8 13. h3 Bxf3 14. Qxf3
Rd8 15. Rde1 Rd7 16. h4 Qf8 17. h5 Bh6 18. Bxh6 Qxh6+ 19. Kb1 Qg7 20. hxg6 hxg6
21. Rh4 Rad8 22. Ne2 Nbd5 23. Reh1 Kf8 24. Bc4 Rd6 25. Rh8+ Ng8 26. Bxd5 Rxd5
27. Nf4 R5d6 28. c3 e5 29. R8h7 Qf6 30. dxe5 Qf5+ 31. Ka1 Rd2 32. g4 R8d3 33.
gxf5 Rxf3 34. Nh3 Rxf5 35. f4 Ke7 36. Rh8 Rd8 37. Kb1 g5 38. Rg1 b5 39. Kc2 a5
40. Rxg5 Rxg5 41. Nxg5 c5 42. Rh7 Rf8 43. f5 c4 44. Kd2 Rd8+ 45. Ke3 Rd3+ 46.
Kf4 Ke8 47. Rh8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Nascimento, Davi Araujo"]
[Black "Peixoto, Rudson"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "156"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Nge2 Nc6 5. Bg2 Nf6 6. O-O O-O 7. d3 e6 ({RR} 
7... Rb8 8. a4 a6 9. b3 b5 10. axb5 axb5 11. Rb1 e6 12. Bf4 d6 13. Bg5 h6 14.
Bd2 Nd7 15. Qe1 b4 16. Nd1 Bb7 17. Ne3 Ra8 18. f4 Nd4 19. Nxd4 Bxd4 20. Kh1 f5
21. Nc4 Qe7 22. Qe2 {Guzman Lozano,C (1924)-Olsson,W (2400) chess.com INT 2023
0-1 (65)}) 8. Be3 ({RR} 8. Bg5 h6 9. Be3 b6 10. Qd2 Ng4 11. Bf4 e5 12. Be3 Nxe3
13. Qxe3 Nd4 14. Qd2 d6 15. Nd5 Be6 16. Nc1 Bxd5 17. exd5 Nf5 18. a4 Ne7 19. a5
b5 20. a6 Rb8 21. Nb3 Rb6 22. Na5 Qd7 {Jobava,B (2707)-Tregubov,P (2598)
Warsaw 2010 1-0 (35)}) 8... d6 9. h3 a6 10. f4 $146 ({RR} 10. Qd2 Qc7 11. Bh6
b5 12. Bxg7 Kxg7 13. f4 Bb7 14. f5 Nd4 15. fxg6 fxg6 16. Rac1 e5 17. Nd5 Nxd5
18. exd5 Nf5 19. c3 Rae8 20. b3 c4 21. g4 Qb6+ 22. d4 exd4 23. gxf5 d3+ 24. Nd4
Re5 {Szucs,E (1439)-Sugar,K (1620) Hungary 2013 0-1 (44)}) 10... Nd7 11. Qd2
Nd4 12. Nd1 f5 13. c3 Nc6 14. Nf2 Qc7 15. Rfd1 e5 16. d4 exd4 17. cxd4 c4 18.
Rac1 Qa5 19. Qxa5 Nxa5 20. e5 Re8 21. Bd2 Nc6 22. Rxc4 Nb6 23. Rxc6 bxc6 24.
Bxc6 Bd7 25. Bxa8 Rxa8 26. Rc1 Ra7 27. Bb4 dxe5 28. dxe5 Nd5 29. Bd6 Rb7 30. b3
h6 31. Nd4 g5 32. Rc5 Ne3 33. Rc7 Rxc7 34. Bxc7 gxf4 35. gxf4 Nd5 36. e6 Be8
37. Be5 Nxf4 38. Bxg7 Kxg7 39. Nxf5+ Kf6 40. Nxh6 Ne2+ 41. Kf1 Nc1 42. Ne4+
Kxe6 43. Nc3 Ke5 44. Ke1 Nd3+ 45. Kd2 Nf4 46. Ng4+ Kf5 47. Nf2 Bc6 48. Ke3 Bg2
49. h4 Bb7 50. b4 Ng2+ 51. Kd4 Nxh4 52. Kc5 Bg2 53. Kb6 Bf1 54. Nd5 Ke5 55. Nc7
Nf5 56. Nxa6 Nd4 57. Nc5 Kd5 58. a4 Kc4 59. a5 Kxb4 60. Nfd3+ Kc4 61. a6 Nb5
62. Ne5+ Kb4 63. Nc6+ Kc4 64. Nb7 Kd5 65. Nb4+ Ke6 66. Nc5+ Kd6 67. Nbd3 Nc7
68. Nb7+ Kd7 69. Ndc5+ Kc8 70. Nd6+ Kd8 71. a7 Bg2 72. Nce4 Kd7 73. Kc5 Na8 74.
Nf6+ Kc7 75. Nd5+ Bxd5 76. Kxd5 Kb6 77. Nc8+ Kb7 78. Nd6+ Kxa7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Nemeth Jr, Henrique"]
[Black "Dobuchak, Thiago"]
[Result "1-0"]
[ECO "E71"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nge2 e5 ({RR} 6... a6 7.
Ng3 c6 8. Bd3 Nbd7 9. O-O b5 10. Be3 e5 11. d5 cxd5 12. cxd5 Nc5 13. Bc2 Ne8
14. b4 Nd7 15. a4 bxa4 16. Bxa4 Rb8 17. b5 Nc5 18. bxa6 Bxa6 19. Re1 Nxa4 20.
Rxa4 Bc8 21. Ra7 {Caruana,F (2835)-Radjabov,T (2765) chess24.com INT 2020 1/
2-1/2 (53)}) 7. d5 a5 8. g4 Nfd7 $146 ({RR} 8... Na6 9. Ng3 Nc5 10. Bg2 Ne8 11.
g5 f6 12. h4 Rf7 13. Be3 Bf8 14. h5 fxg5 15. hxg6 hxg6 16. Bh3 g4 17. Bxg4 Nd3+
18. Qxd3 Bxg4 19. Nge2 Bf3 20. Rh2 Qd7 21. O-O-O Rh7 22. Rxh7 Qxh7 23. Bg5 {
Korotya,O-Obukhov,S (2132) Zaporozhye 2011 1/2-1/2 (41)}) ({RR} 8... Na6 9. Ng3
c6 10. Be3 Nc7 11. Be2 cxd5 12. cxd5 Bd7 13. h4 b5 14. h5 Nxg4 15. Bxg4 f5 16.
h6 Bh8 17. exf5 b4 18. fxg6 hxg6 19. h7+ Kf7 20. Nce4 Bxg4 21. Qxg4 Nxd5 22.
Ng5+ Ke8 23. Ne6 {Dehtiarova,S (1598)-Zavezion,N (1365) Poltava UKR 2023 1-0})
9. Be3 Na6 10. Ng3 Nac5 11. Be2 a4 12. Qd2 Nb6 13. h4 c6 14. h5 cxd5 15. cxd5
f5 16. gxf5 gxf5 17. h6 Bf6 18. exf5 Kh8 19. Nce4 Nxe4 20. Nxe4 Bxf5 21. Nxf6
Rxf6 22. Bg5 Qf8 23. Bxf6+ Qxf6 24. Rg1 Bg6 25. Rc1 Rf8 26. Kd1 Qf7 27. f4 Qf5
28. fxe5 Qe4 29. e6 Nxd5 30. e7 Re8 31. Rf1 Nxe7 32. Qc3+ Qe5 33. Qxe5+ dxe5
34. Bg4 Nd5 35. Kd2 Nb6 36. Rf6 Rd8+ 37. Ke1 Nd5 38. Rd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Neves, Andrey de Souza"]
[Black "Oliveira, Silvio Eduardo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 dxe5 8. Nxe5
Qd5 9. Nf3 ({RR} 9. Qe2 f6 10. Nf3 Qe6 11. Qxe6 Bxe6 12. b3 Nc6 13. O-O Rd8 14.
Re1 Kf7 15. Na3 Bd5 16. bxc4 Nxc4 17. d4 Nxa3 18. Bxa3 e6 19. Bxf8 Rhxf8 20.
Bb3 Na5 21. Nd2 Rc8 22. Re3 Rc7 23. Rae1 Rfc8 {Muntean,V (2092)-Mai,A (2118)
Uppsala SWE 2023 0-1 (45)}) 9... Bf5 10. O-O $146 ({RR} 10. b3 Qe6+ 11. Kf1
Bd3+ 12. Bxd3 cxd3 13. Qe1 Nc6 14. Qxe6 fxe6 15. Na3 e5 16. Ng5 a6 17. Bb2 h6
18. Ne4 e6 19. Re1 O-O-O 20. f3 Be7 21. g4 Rhf8 22. Kg2 Nd5 23. Nc4 Nf4+ 24.
Kf2 b5 {Perez Rodriguez,J (2251)-Fawzy,A (2481) chess.com INT 2022 0-1 (55)})
10... e6 11. b3 Nc6 12. Bxf5 Qxf5 13. Na3 Bxa3 14. Bxa3 O-O-O 15. Qe2 Nd5 16.
Qxc4 Nf4 17. g3 g5 18. Nxg5 Nd3 19. f4 Rd7 20. b4 a6 21. Rab1 h6 22. Ne4 Rd5
23. b5 axb5 24. Rxb5 Rhd8 25. Rfb1 Rxb5 26. Rxb5 Qg4 27. Rc5 Qd1+ 28. Kg2 Qe2+
29. Kh3 Qxe4 30. Qxe4 Nf2+ 31. Kh4 Nxe4 32. Rh5 Rxd2 33. h3 Rxa2 34. Bf8 Rc2
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Nunes Jr, Sidney"]
[Black "Mota, Romulo Cardoso"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. Re1 Nge7 7. a4 O-O 8. Na3
a6 9. Bc4 ({RR} 9. Bf1 d5 10. exd5 Qxd5 11. d3 Bg4 12. Be3 Rfd8 13. Nc4 Rab8
14. Nb6 Bxf3 15. Nxd5 Bxd1 16. Nxe7+ Nxe7 17. Raxd1 Rbc8 18. g3 Nd5 19. Bg5 f6
20. Bc1 b5 21. Bh3 f5 22. axb5 axb5 23. Bg2 Nb6 {Buscar,M (2041)-Osmak,Y (2449)
chess.com INT 2023 1/2-1/2 (71)}) 9... d5 10. exd5 Nxd5 11. h3 $146 ({RR} 11.
d3 h6 12. Be3 Nxe3 13. fxe3 Qe7 14. e4 Be6 15. Nc2 Rad8 16. Qe2 f5 17. Ne3 f4
18. Nd5 Qd6 19. Qf2 Ne7 20. Nxe7+ Qxe7 21. Bxe6+ Qxe6 22. Qxc5 Rxd3 23. Red1
Rfd8 24. Rxd3 Rxd3 25. h3 Kh7 {Markiewicz,J (2305)-Stachowiak,K (2301) Wysowa
2007 1/2-1/2}) 11... Bf5 12. d3 Nb6 13. Be3 Nxc4 14. dxc4 Qe7 15. Qd5 Rfd8 16.
Qxc5 Qxc5 17. Bxc5 Rd3 18. Be3 Rad8 19. Kf1 e4 20. Ng1 Be6 21. Ne2 Ne5 22. Nf4
Nxc4 23. Nxd3 Nxe3+ 24. Rxe3 exd3 25. Rd1 d2 26. Ke2 Bb3 27. Rxd2 Rxd2+ 28.
Kxd2 Bh6 29. a5 Kf8 30. Kd3 Bxe3 31. Kxe3 Ke7 32. Kd4 Ke6 33. Nc4 f5 34. f4 h6
35. h4 Bd1 36. Kc5 Be2 37. b4 Bf1 38. Ne3 Bd3 39. c4 Be4 40. g3 Bc6 41. Nd5 h5
42. Nc7+ Kd7 43. Nd5 Ke6 44. Nc3 Kd7 45. Ne2 Be4 46. Nd4 Bg2 47. b5 Be4 48.
bxa6 bxa6 49. Kb6 Kd6 50. c5+ Kd5 51. c6 Kd6 52. c7 Kd7 53. Ne6 Bd5 54. Nf8+
Kc8 55. Nxg6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Nunes, Gustavo Morais"]
[Black "Cavalcante, Rodrigo"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 b5 6. Ne5 Bb7 7. O-O Qc8 8. a4
e6 9. b3 cxb3 10. Qxb3 a6 11. Ba3 ({RR} 11. Bg5 Nfd7 12. Rc1 Nxe5 13. dxe5 b4
14. a5 Nd7 15. Nd2 h6 16. Bf4 Be7 17. Ne4 O-O 18. Nd6 Bxd6 19. exd6 c5 20. Bxb7
Qxb7 21. Be3 Rfc8 22. Rc2 Qd5 23. Qa4 Qc6 24. Qb3 Qxd6 25. Rd2 Qe7 {
Sovetbekova,N (1842)-Karwowski,K (2198) chess.com INT 2023 0-1 (35)}) 11...
Nbd7 $146 ({RR} 11... Bxa3 12. Qxa3 Nbd7 13. Nc3 Nxe5 14. dxe5 Nd5 15. Ne4 b4
16. Nd6+ Kf8 17. Qc1 Qc7 18. Qc5 Kg8 19. e4 Ne7 20. Qxb4 Bc8 21. Rab1 g6 22. f4
Kg7 23. g4 Rf8 24. g5 Bd7 25. Qb7 Ra7 26. Qb2 {Voith,W-Rohrmueller,H Germany
2003 0-1 (44)}) 12. Rc1 Nxe5 13. dxe5 Nd5 14. Bxd5 exd5 15. Bxf8 Kxf8 16. Qb4+
Kg8 17. Qe7 h6 18. Nd2 Kh7 19. Nb3 Rb8 20. axb5 axb5 21. Ra7 Qe8 22. Rxb7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Okamura, Milton"]
[Black "Vargas, Roberto Carlos"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 Bd7 10. Be3 Nc6 11. Qd2 a6 12. Nc2 ({RR} 12. Rfd1 Rb8 13. Rac1 Nxd4
14. Bxd4 c5 15. Bf2 Bf8 16. a3 b5 17. cxb5 axb5 18. b4 c4 19. Bd4 Bc6 20. Rb1
d5 21. e5 Nd7 22. f4 f6 23. exf6 Nxf6 24. Bf3 Ne4 25. Bxe4 dxe4 26. Qe3 Qc7 {
Edouard,R (2641)-Moussard,J (2506) Drancy 2016 1/2-1/2 (54)}) ({RR} 12. Rfd1
Ne5 13. Rac1 a5 14. b3 a4 15. b4 a3 16. Nb3 Nc6 17. Nd5 Ra4 18. b5 Nb8 19. c5
Nxd5 20. Qxd5 Bb2 21. Rc2 Be6 22. Qd3 Nd7 23. f4 Qf6 24. cxd6 cxd6 25. Bf3 Nc5
26. Nxc5 dxc5 {Sowinski,P (2313)-Bogaudinov,R (1939) chess.com INT 2023 1-0 
(48)}) 12... Qe7 13. Bg5 $146 ({RR} 13. Rad1 Be6 14. Rfe1 Qf8 15. Nd5 Rac8 16.
b4 Bxd5 17. cxd5 Nb8 18. a4 h6 19. Bf1 Kh7 20. g3 Nbd7 21. Bh3 c6 22. Bd4 Rc7
23. dxc6 Rxc6 24. Ne3 Ne5 25. Qe2 h5 26. b5 axb5 27. axb5 Rc7 {Brinck Claussen,
B (2380)-Hvenekilde,J (2260) Valby 1983 1/2-1/2 (85)}) 13... Qf8 14. Rac1 h6
15. Be3 Rad8 16. Nd5 Nxd5 17. cxd5 Nb8 18. Nd4 c6 19. dxc6 Nxc6 20. Nxc6 Bxc6
21. Bb6 Rd7 22. Bc4 Qe7 23. Rfd1 Qh4 24. Bf2 Qe7 25. Qb4 b5 26. Bd5 Ba8 27. b3
Bxd5 28. Rxd5 Qd8 29. Qd2 Re5 30. Rc6 Rxd5 31. Qxd5 Qf6 32. Qd1 Qa1 33. Qxa1
Bxa1 34. Be3 Bg7 35. Rxa6 d5 36. Ra8+ Kh7 37. Ra7 Rxa7 38. Bxa7 dxe4 39. fxe4
Be5 40. a4 bxa4 41. bxa4 Kg7 42. Bb6 Kf8 43. a5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Oliveira, Aquiles"]
[Black "Messias, Jose Vitor"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "95"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. h3 e6 ({RR} 5... e5 6. Nge2 Be6 7.
d3 a6 8. O-O g6 9. Be3 Bg7 10. Qd2 O-O 11. Bh6 b5 12. Bxg7 Kxg7 13. f4 Nd4 14.
f5 Bd7 15. g4 b4 16. Nd1 Nxe2+ 17. Qxe2 Rc8 18. g5 Nh5 19. f6+ Kg8 20. Ne3 {
Ibnu,I (1658)-Greenwood,M (1423) Penang MAS 2022 1-0}) 6. f4 ({RR} 6. Nge2 Be7
7. d3 O-O 8. Be3 e5 9. O-O Bd7 10. f4 exf4 11. gxf4 Nh5 12. d4 Qc8 13. Kh2 cxd4
14. Nxd4 Nxd4 15. Bxd4 Nf6 16. Qe2 Bc6 17. Rad1 Ne8 18. Rg1 Kh8 19. Bf3 Nf6 20.
Rg3 Rg8 {Grudinin,E (2146)-Bondarchuk,S (2322) Irkutsk 2007 0-1}) 6... a6 7. d3
Qc7 $146 ({RR} 7... Be7 8. Nf3 e5 9. O-O Be6 10. Be3 Qc7 11. Qd2 h5 12. fxe5
dxe5 13. Ng5 O-O-O 14. Nxe6 fxe6 15. Na4 h4 16. g4 Rd4 17. Bxd4 exd4 18. b4
Nxg4 19. Qf4 Nge5 20. Nxc5 g5 21. Nxe6 gxf4 22. Nxc7 {Harff,M (2146)-Kusnetsov,
M (1773) Duisburg 2006 1/2-1/2 (38)}) 8. Nf3 b5 9. O-O Bb7 10. Be3 Be7 11. Qd2
O-O 12. Qf2 Rfd8 13. g4 Rac8 14. g5 Nh5 15. Qh4 g6 16. Nh2 Nb4 17. Rf2 d5 18.
Bc1 d4 19. Nd1 c4 20. Bf1 cxd3 21. cxd3 Nc2 22. Rb1 Bb4 23. Be2 Ng7 24. Ng4 Ne8
25. Nh6+ Kh8 26. Rf1 Bxe4 27. dxe4 d3 28. Bxd3 Rxd3 29. Nf2 Nd4 30. Nxd3 Qc2
31. Nxb4 Qxb1 32. Qf2 Qxe4 33. Be3 Rc4 34. Bxd4+ Rxd4 35. Nc2 Rc4 36. Ne3 Rc7
37. Rd1 Kg7 38. Rd8 Rc1+ 39. Nf1 Kf8 40. Qd4 Rxf1+ 41. Kxf1 Qf3+ 42. Ke1 Qh1+
43. Kd2 Qg2+ 44. Kc1 Qf1+ 45. Kc2 Qe2+ 46. Kb3 Qf3+ 47. Qc3 Qf2 48. Qh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Paludo, Nicolas"]
[Black "Baeta, Marcio Netto"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 Nc6 7. h3 Bh5
8. c4 ({RR} 8. d4 O-O-O 9. g4 Bg6 10. c4 Qe4 11. d5 e6 12. O-O exd5 13. Ng5 Qd4
14. Be3 Qxd1 15. Rfxd1 d4 16. Bf4 h6 17. Nf3 d3 18. Bf1 Bc5 19. a3 Nd4 20. Ne5
Nb3 21. Rab1 d2 22. Nxg6 fxg6 {Boruchovsky,A (2536)-Bortnyk,M (2415) chess.com
INT 2023 0-1}) ({RR} 8. d3 O-O-O 9. O-O Rg8 10. Be3 g5 11. Nd2 Bxe2 12. Qxe2 g4
13. h4 Ne5 14. Kh1 e6 15. d4 Ng6 16. c4 Qh5 17. g3 Nxh4 18. gxh4 Qxh4+ 19. Kg1
g3 20. f4 g2 21. Rfd1 Qh1+ 22. Kf2 Qh4+ {Valle Luis,L (2250)-Causo,D (2224)
chess.com INT 2023 0-1}) 8... Qa5 9. a3 O-O-O 10. O-O Bxf3 $146 ({RR} 10... e6
11. d3 Qf5 12. Ne1 Bxe2 13. Qxe2 Nd4 14. Qd1 h5 15. b4 g5 16. Be3 g4 17. h4 Be7
18. g3 Qg6 19. Rb1 f5 20. Qa4 Kb8 21. Nc2 Ne2+ 22. Kg2 Nc3 23. Qxa7+ Kc8 24.
Rb3 Ne2 25. Nd4 {Thiel,H (1424)-Matzek,F (1386) Greifswald 2003 1-0 (31)}) 11.
Bxf3 Nd4 12. b4 Qe5 13. Rb1 h5 14. Bb2 g5 15. Re1 Qd6 16. c5 Qg6 17. Bxd4 Rxd4
18. Qa4 g4 19. Qe8+ Rd8 20. Bxb7+ Kxb7 21. Qxd8 Qc6 22. b5 Qxc5 23. Rec1 Qd6
24. Qxd6 cxd6 25. hxg4 hxg4 26. Rc6 Rh5 27. a4 Rc5 28. Rxc5 dxc5 29. g3 Kb6 30.
Re1 Ka5 31. Re4 f5 32. Rc4 e5 33. Kf1 a6 34. bxa6 Kxa6 35. Ke2 Bd6 36. f3 gxf3+
37. Kxf3 Kb6 38. g4 fxg4+ 39. Kxg4 Kc6 40. Kf5 Kd5 41. Re4 Bc7 42. Kf6 Bd8+ 43.
Kf7 Ba5 44. d3 Bb4 45. Ke7 Bc3 46. Kd7 Bd4 47. Rg4 c4 48. dxc4+ Kxc4 49. Kc6
Kb4 50. Kd5 Kxa4 51. Kc4 Ka5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pasqualotto, Amos"]
[Black "Andrade, Guilherme Souza"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "114"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. O-O Na6
9. Ne1 Nd7 ({RR} 9... Nc5 10. Bg5 h6 11. Bxf6 Bxf6 12. Bg4 Nd7 13. Nd3 Bg5 14.
Bh3 c6 15. Qc2 Nb6 16. Bxc8 Rxc8 17. dxc6 Rxc6 18. b3 Qc8 19. Qe2 h5 20. Rad1
Qg4 21. h3 Qxe2 22. Nxe2 f5 23. Nc3 Nd7 24. Nb2 {Lyrberg,P (2444)-Bogner,S 
(2603) Barcelona 2014 1/2-1/2 (36)}) 10. Nd3 f5 11. f3 ({RR} 11. f4 Nac5 12.
Nxc5 Nxc5 13. exf5 Bxf5 14. fxe5 Bxe5 15. Be3 Qh4 16. g3 Bxg3 17. hxg3 Qxg3+
18. Kh1 Qh3+ 19. Kg1 Qxe3+ 20. Kh2 Qh3+ 21. Kg1 Qg3+ 22. Kh1 Be4+ 23. Nxe4 Nxe4
24. Bf3 Rf4 25. Bg2 Rh4+ {TheChessPrince (2427)-Berardino (2535) lichess.org
2021 0-1}) 11... b6 $146 ({RR} 11... f4 12. Bd2 Qh4 13. Be1 Qh5 14. a3 g5 15.
b4 Rf6 16. g4 fxg3 17. Bxg3 Qg6 18. Rf2 h5 19. Rg2 Nf8 20. Kh1 Bh3 21. Rg1 Qf7
22. b5 Nb8 23. c5 Ng6 24. Rb1 Bh6 25. Nf2 Bc8 26. h4 {Voglova,E (1690)-Umanec,
F (1855) Prague 2002 0-1 (40)}) 12. Bd2 Nac5 13. Be1 Bh6 14. Bf2 Nf6 15. Nxc5
bxc5 16. b3 Bd7 17. Qc2 Qe8 18. Rfb1 Qe7 19. Rb2 Nh5 20. a3 Nf4 21. Bf1 Qg5 22.
Rab1 Nh3+ 23. Kh1 Nxf2+ 24. Qxf2 Qe3 25. Nd1 Qxf2 26. Rxf2 fxe4 27. fxe4 Rxf2
28. Nxf2 Be3 29. Nd3 Bd4 30. Be2 Kg7 31. h3 Rb8 32. b4 axb4 33. axb4 cxb4 34.
Rxb4 Rxb4 35. Nxb4 Kf6 36. Na6 Bb6 37. Kh2 Ba4 38. Nb4 Kg5 39. Kg3 Ba5 40. Nd3
Bd2 41. c5 h5 42. cxd6 cxd6 43. h4+ Kf6 44. Kf2 Bc2 45. Kf3 Ke7 46. Nf2 Be1 47.
g3 Bxf2 48. Kxf2 Bxe4 49. Bf3 Bxf3 50. Kxf3 Kf6 51. g4 Ke7 52. g5 Kd7 53. Ke3
Kc7 54. Kd3 Kb6 55. Kc4 Ka5 56. Kd3 Kb4 57. Ke3 Kc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Passos, Rafael Moreira"]
[Black "Oliveira Filho, Fernando"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Nd2 dxe4 4. dxe4 b6 ({RR} 4... Nf6 5. e5 Nd5 6. Ngf3 Be7
7. a3 b6 8. Ne4 c5 9. c4 Nc7 10. Qc2 f5 11. exf6 Bxf6 12. Nxf6+ gxf6 13. Bd3 f5
14. Bg5 Qd7 15. O-O-O Qg7 16. Bxf5 exf5 17. Rd8+ Kf7 18. Rxc8 {1-0 (18) Sale,S
(2403)-Steininger,F (2225) Oberwart 2002}) 5. Ngf3 Bb7 6. Bd3 ({RR} 6. c3 Nf6
7. Qc2 Bc5 8. Be2 O-O 9. O-O Nc6 10. Re1 Ng4 11. Rf1 a5 12. h3 Nge5 13. Re1 a4
14. Bb5 Qf6 15. Bxa4 Qg6 16. b4 Bd6 17. Bb3 Rfd8 18. a4 Nd3 19. Rf1 Nf4 20. Nh4
Nxh3+ {Fernandez,G (2181)-Kozelov,R (2089) chess.com INT 2023 0-1}) 6... Nc6
$146 ({RR} 6... Nd7 7. O-O Nc5 8. Bb5+ c6 9. Bc4 b5 10. Be2 Nf6 11. e5 Nfe4 12.
Qe1 Be7 13. Nxe4 Nxe4 14. a4 a6 15. Bf4 O-O 16. h3 h6 17. Qc1 Ng5 18. Rd1 Nxf3+
19. Bxf3 Qc7 20. Qe3 g5 21. Bg3 {Kolker,V (2086)-Boesch,H (1912) Bad Homburg
2011 1-0 (47)}) 7. Qe2 e5 8. O-O Nge7 9. Nc4 Ng6 10. c3 Bd6 11. Be3 O-O 12. g3
Nce7 13. Rad1 a6 14. Bc2 Nc8 15. Rd2 Qe7 16. Rfd1 a5 17. Bxb6 Ba6 18. Be3 Rb8
19. Bd3 Bxc4 20. Bxc4 Nb6 21. Bb5 Rfd8 22. Ne1 Nf8 23. Ng2 Ne6 24. Bxb6 Rxb6
25. Ne3 Rbb8 26. Nf5 Qf8 27. Nxd6 Rxd6 28. Rxd6 cxd6 29. Bc4 Nc5 30. b3 Kh8 31.
Bd3 Qd8 32. Bc4 f6 33. Bd5 Qe8 34. Qc4 Qb5 35. Qxb5 Rxb5 36. Bc6 Rb6 37. Rxd6
h6 38. Rd8+ Kh7 39. Bd5 Na6 40. Rc8 Rb5 41. Kf1 Kg6 42. Ke2 Kg5 43. f3 f5 44.
h4+ Kh5 45. Bc4 Rc5 46. Bxa6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pereira, Geanfrancesco"]
[Black "Ribeiro, Matheus D"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. O-O O-O 8. Re1
b5 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 Bb7 12. h4 Rfc8 13. h5 h6 14. N1h2 Bf8 15. Ng4
Qd8 16. c3 a5 17. Qd2 b4 $146 ({RR} 17... Kh8 18. Rad1 b4 19. c4 Nb6 20. Bxh6
gxh6 21. Qf4 Qe7 22. Nxh6 Rc7 23. Ng4 a4 24. h6 Rd8 25. Nf6 Nd7 26. cxd5 exd5
27. Nxd5 Qe6 28. Nxc7 {1-0 (28) Nakamura,H (2768)-Mendez Fortes,E (2250) chess.
com INT 2023}) 18. Nfh2 Rab8 19. Rec1 a4 20. cxb4 cxb4 21. d4 Na5 22. Nxh6+
gxh6 23. Ng4 b3 24. Bxh6 Bxh6 25. Nxh6+ Kf8 26. Qf4 Qe7 27. Rxc8+ Rxc8 28. axb3
Nxb3 29. Rxa4 Nb6 30. Ra7 Rc4 31. Qg4 Ke8 32. Qg8+ Qf8 33. Qxf8+ Kxf8 34. Rxb7
Rb4 35. Rxf7+ Ke8 36. Rb7 Nxd4 37. Nf7 Kf8 38. h6 Kg8 39. Ng5 Nc6 40. Rg7+ Kf8
41. Nxe6+ Ke8 42. h7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pereira, Mateus Oliveira"]
[Black "Fonseca, Rogerio"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Qe5+ $146 ({RR} 6.
Qd1 Bc5 7. Nc3 Nf6 8. Bg5 O-O 9. Be2 h6 10. Bxf6 Qxf6 11. f3 Bd4 12. Qd2 Bxc3
13. Qxc3 Qxc3+ 14. bxc3 Re8 15. O-O d5 16. Bb5 Re5 17. Bc6 Rb8 18. Bxd5 Rg5 19.
h3 Bxh3 20. Rf2 Bd7 {Cachada,A-Seca,C Portugal 1994 0-1}) ({RR} 6. Bf4 d6 7.
Nc3 Bd7 8. O-O-O Nf6 9. Be2 Be7 10. e5 dxe5 11. Bxe5 O-O 12. Bxf6 Bxf6 13. Qxd7
Bg5+ 14. Kb1 Qf6 15. Bf3 Rac8 16. Ne4 Qg6 17. h4 Rcd8 18. Qg4 Bf6 19. h5 Rxd1+
20. Rxd1 Qh6 {Welsh,M (2155)-Sandholzer,M Goetzis 1996 1-0 (38)}) ({RR} 6. Be3
Bc5 7. Qd2 Bxe3 8. Qxe3 Bb7 9. f3 f6 10. Nc3 Ne7 11. Be2 Nc6 12. O-O-O O-O 13.
g4 Re8 14. h4 Ne5 15. h5 h6 16. f4 Nf7 17. g5 f5 18. gxh6 Nxh6 19. Rhg1 Bxe4
20. Nxe4 Rxe4 {Esteban Flores,S-El Ammari Rovira,S (1238) lichess.org INT 2022
1-0 (38)}) 6... Qe7 7. Qxe7+ Bxe7 8. Bd3 Nf6 9. Nc3 Bb7 10. Bg5 O-O 11. h3 Rae8
12. f3 Nd5 13. Bxe7 Rxe7 14. Nxd5 Bxd5 15. c4 Bb7 16. O-O-O Re5 17. f4 Re7 18.
g4 Bxe4 19. Bxe4 Rxe4 20. Rxd7 Rxc4+ 21. Kb1 Rc8 22. f5 f6 23. Rhd1 Re4 24.
Rd8+ Rxd8 25. Rxd8+ Kf7 26. Ra8 a5 27. Rc8 c5 28. Rb8 Re1+ 29. Kc2 Re2+ 30. Kb3
a4+ 31. Ka3 Re3+ 32. Kxa4 Re4+ 33. Ka3 Rb4 34. b3 Rb5 35. Kb2 c4 36. Kc3 cxb3
37. axb3 Rc5+ 38. Kb4 Ke7 39. Rxb6 Rd5 40. Kc4 Rd6 41. Rb7+ Rd7 42. Rxd7+ Kxd7
43. Kc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pimentel, Lucas Santos"]
[Black "Borges, Ivoney"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "126"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 g6 ({RR} 4... c5 5. c4 Nc6 {1/2-1/2 (5)
Vukoje,V (2374)-Vidovic,S (2356) Bol 2013}) ({RR} 4... h5 5. h4 c6 6. O-O Be7
7. c3 Bg4 8. Nbd2 Nbd7 9. Nh2 Nc5 10. b4 Ne6 11. a4 Qc7 12. b5 d5 13. bxc6 bxc6
14. c4 Rd8 15. cxd5 cxd5 16. Bb2 O-O 17. Ndf3 e4 18. Ng5 exd3 19. Qxd3 {
Herrera Reyes,J (2341)-Argandona Riveiro,I (2344) chess.com INT 2023 1-0 (65)})
5. Nc3 $146 ({RR} 5. O-O Bg7 6. e4 c6 7. Be3 O-O 8. h3 d5 9. Nxe5 dxe4 10. dxe4
Nxe4 11. Nd3 Re8 12. Nd2 Nd6 13. Nf3 Na6 14. Bd4 f6 15. a4 Nc7 16. Nf4 Ne6 17.
Nxe6 Bxe6 18. Re1 Nf5 19. Bc3 Qxd1 {Battsetseg,T (2245)-Foisor,C (2405) Elista
1998 0-1 (48)}) 5... Nbd7 6. O-O Bg7 7. Bg5 O-O 8. Qd2 h5 9. Ne4 Nxe4 10. dxe4
Nf6 11. Qb4 b6 12. Rad1 a5 13. Qa4 Bd7 14. Qa3 Qc8 15. Qd3 Be6 16. a3 Qe8 17.
Bc1 Nh7 18. Nh4 Rd8 19. Qc3 Qe7 20. b3 Bf6 21. Nf3 Kg7 22. Qe3 Rh8 23. Qh6+ Kg8
24. Qe3 h4 25. Rd3 hxg3 26. fxg3 Bg7 27. Nh4 Bf6 28. Nf3 Re8 29. Qf2 Ng5 30.
Nxg5 Bxg5 31. Bxg5 Qxg5 32. Qf6 Qh5 33. h4 Rh7 34. Bf3 Qh6 35. Rc3 c5 36. Rd3
Qf8 37. Rfd1 Rd8 38. Qxe5 d5 39. exd5 Bd7 40. Qc7 g5 41. hxg5 Qe7 42. Qxb6 Qxg5
43. Qc7 f5 44. Qf4 Qg6 45. d6 Be6 46. Bd5 Bxd5 47. Rxd5 Qh5 48. Qh4 Qe8 49. Qc4
Qe3+ 50. Kg2 Kh8 51. Rxc5 Qh6 52. Qd4+ Kg8 53. Qd5+ Kh8 54. Qe5+ Kg8 55. Qd5+
Kh8 56. Kf2 Re8 57. Qd4+ Kg8 58. Qd5+ Kh8 59. Qd4+ Kg8 60. Qc4+ Kh8 61. Rc7
Qh2+ 62. Kf1 Qh1+ 63. Kf2 Rh2# 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pinto, Pedro Jorge M"]
[Black "Damasceno, Enzo"]
[Result "0-1"]
[ECO "D47"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Be2 dxc4 7. Bxc4 b5 8. Be2
Bb7 9. O-O a6 10. b3 c5 11. Bb2 Be7 12. dxc5 ({RR} 12. Rc1 O-O 13. a4 b4 14.
Nb1 Rc8 15. Nbd2 Re8 16. Nc4 Nb6 17. Nfe5 Nxc4 18. Nxc4 Ne4 19. Bf3 Nd6 20.
dxc5 Bxf3 21. Qxf3 Nxc4 22. Rxc4 Rxc5 23. Rd1 Qc8 24. Qg4 Bf8 25. Rdc1 Rxc4 26.
Rxc4 Qd7 {Tamon,R (1845)-Rosicki,M (2030) Jastrzebia Gora POL 2023 1/2-1/2})
12... Nxc5 ({RR} 12... Bxc5 13. Rc1 Qe7 14. Nd4 O-O 15. Bf3 Bxf3 16. Nxf3 Rac8
17. Qe2 Ba3 18. h3 Nb6 19. Nb1 Bxb2 {1/2-1/2 (19) Andersson,U (2600)-Jussupow,
A (2635) Tilburg 1987}) 13. Qd4 $146 ({RR} 13. Nd4 O-O 14. a4 b4 15. Nb1 Qc7
16. Nd2 Rfd8 17. Rc1 Rac8 18. Qe1 Qb8 19. f3 Nd5 20. Bc4 Qe5 21. Bxd5 Qxd5 22.
Qe2 Bf6 23. Rfd1 e5 24. e4 Qd7 25. Nf5 Qd3 26. Qxd3 Rxd3 27. Nc4 Rxb3 {
Moeschinger,M (2055)-Kober,T (1925) Finkenstein 1994 0-1 (39)}) 13... O-O 14.
Rfd1 Qxd4 15. Rxd4 Rfd8 16. Rad1 Rxd4 17. Rxd4 Rd8 18. Ba3 Rc8 19. Bb4 Nxb3 20.
axb3 Bxb4 21. Nxb5 Bc5 22. Nd6 Bxd4 23. Nxc8 Bc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pironti, Francisco"]
[Black "Cardoso, Marcio"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 Be7 8. Nc3
O-O 9. Be3 Nbd7 10. f4 Qc7 11. Qe2 b6 12. Rac1 Bb7 13. a4 $146 ({RR} 13. Bb1
Rfe8 14. b3 Rac8 15. Qf3 Qb8 16. g4 Nc5 17. g5 Nfxe4 18. Nxe4 Qa8 19. Nf6+ gxf6
20. Bxh7+ Kxh7 21. Qh5+ Kg8 22. g6 fxg6 23. Qxg6+ Kh8 24. Qh6+ Kg8 25. Qg6+ Kh8
26. Qh5+ Kg7 27. f5 Rg8 {Nevednichy,B (2297)-Bulmaga,I (2122) Kishinev 2005 1-0
}) ({RR} 13. Bb1 Rfe8 14. Kh1 Rac8 15. b3 Qb8 16. Nf3 Qa8 17. Bg1 Nh5 18. Nd2
g6 19. Na4 Bd8 20. Qd3 Bc7 21. Bd4 f5 22. Rf2 Nhf6 23. exf5 exf5 24. Nf3 Ng4
25. Rff1 Nc5 26. Qd2 Ne4 27. Qc2 b5 {Hecht,H (2485)-Gerusel,M (2395) Berlin
West 1980 0-1 (43)}) ({RR} 13. f5 Nc5 14. Bg5 Nxd3 15. Qxd3 Ng4 16. Bxe7 Qxe7
17. Qg3 Nf6 18. fxe6 fxe6 19. e5 dxe5 20. Qxe5 Rae8 21. Rce1 Qf7 22. Nxe6 Bc8
23. Nxf8 Rxe5 24. Rxe5 Qxc4 25. Rd1 Kxf8 26. h3 Kf7 27. Kh1 Qc6 {Fava,L (2195)
-Sharon,R (2078) Montesilvano ITA 2023 0-1 (35)}) 13... Rac8 14. h3 Rfe8 15. g4
g6 16. f5 exf5 17. gxf5 Bf8 18. fxg6 hxg6 19. Qf2 Bg7 20. Nd5 Bxd5 21. cxd5 Qb7
22. Nc6 b5 23. Bd4 Ne5 24. Bxe5 dxe5 25. Qh4 Qd7 26. Rxf6 Bxf6 27. Qxf6 Qxh3
28. Rc2 Rxc6 29. Qxc6 Qg3+ 30. Rg2 Qe3+ 31. Rf2 Qg3+ 32. Rg2 Qe3+ 33. Kh2 Qh6+
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pomar, Marcelo"]
[Black "Lima, Carlos Eduardo A"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nd7 3. g3 g6 4. Bg2 Bg7 5. Nc3 ({RR} 5. Ne2 c5 6. O-O Ngf6 7. c4
O-O 8. Nbc3 a6 9. h3 Qc7 10. dxc5 Nxc5 11. Be3 Re8 12. Rc1 {1/2-1/2 (12)
Barsov,A (2489)-Kuzubov,Y (2648) Tashkent 2014}) ({RR} 5. Ne2 e6 6. O-O Ne7 7.
c4 O-O 8. Nbc3 h6 9. f4 f5 10. e5 dxe5 11. dxe5 Nc6 12. Be3 Qe7 13. a3 a5 14.
Nb5 Nc5 15. Nxc7 Qxc7 16. Bxc5 Rd8 17. Bd6 Qb6+ 18. Kh1 a4 19. Qc2 Na5 {
Goldsztejn,G (2407)-Merino Garcia,R (2407) chess.com INT 2023 1-0 (31)}) 5...
c5 6. Nge2 cxd4 7. Nxd4 Qb6 $146 ({RR} 7... Ne5 8. h3 Bd7 9. O-O Rc8 10. a4 Qa5
11. Nd5 Nf6 12. c3 Nxd5 13. exd5 O-O 14. Re1 Rfe8 15. f4 Nc4 16. Ra2 Qb6 17.
Kh2 Bxd4 18. cxd4 Na5 19. Re3 Rc4 20. b3 Rb4 21. Bd2 Qxd4 22. Re4 {Grujic,Z 
(2323)-Azaric,S (2336) Novi Sad 2015 1-0}) 8. Nb3 Ngf6 9. O-O h5 10. Bg5 a5 11.
a4 O-O 12. h3 Re8 13. Qe2 Qa6 14. Qxa6 Rxa6 15. Nb5 Rd8 16. Rad1 b6 17. N3d4
Bb7 18. Nc7 Rc8 19. Nxa6 Bxa6 20. Rfe1 e5 21. Bxf6 Nxf6 22. Nb5 Bxb5 23. axb5
Bf8 24. c3 g5 25. f3 Nd7 26. Kf2 a4 27. Ra1 Nc5 28. Red1 Rd8 29. Bf1 Be7 30.
Bd3 Kg7 31. Bc2 Ra8 32. Ke3 Ra5 33. c4 h4 34. gxh4 gxh4 35. Ra2 Ra8 36. Rda1
Bg5+ 37. Kf2 Kg6 38. Bxa4 Rg8 39. Bc2 Ne6 40. Ra8 Rg7 41. Rb8 Nd4 42. Bd1 Bf4
43. Rxb6 Kf6 44. c5 Bh2 45. Rxd6+ Ke7 46. Ra7+ Ke8 47. Rb6 Bg1+ 48. Kf1 Be3 49.
Rb8# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Pontes, Felipe"]
[Black "Paniago, Lucio"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. cxd5 exd5 7. Bd3 Bb4 8. a3
Ba5 9. b4 Bc7 10. O-O O-O 11. Re1 Re8 12. e4 dxe4 13. Nxe4 Nxe4 14. Rxe4 $146 (
{RR} 14. Bxe4 Nf6 15. Bg5 h6 16. Bxf6 Qxf6 17. Bh7+ Kf8 18. Rxe8+ Kxe8 19. Qe2+
Kf8 20. Re1 Bg4 21. Be4 Re8 22. Qd3 Bxf3 23. gxf3 Qh4 24. d5 Qxh2+ 25. Kf1 Bb6
26. Re2 Qh1# {0-1 (26) Ngomane,M (1278)-Gheorghin,F (1310) Europe-Chess INT
2020}) 14... Rxe4 15. Bxe4 Nf6 16. Bc2 Bg4 17. Rb1 Qd5 18. h3 Bxf3 19. Qxf3 Re8
20. Bb2 Qxf3 21. gxf3 Nd5 22. Bb3 Nf4 23. h4 h6 24. Rd1 Bd8 25. d5 Nxd5 26.
Bxd5 cxd5 27. Rxd5 Bxh4 28. Rd7 Re7 29. Rd8+ Kh7 30. Rd3 Bg5 31. Kg2 Bf4 32.
Rb3 Rd7 33. a4 a6 34. b5 axb5 35. Rxb5 Kg6 36. Rb6+ f6 37. Rb4 Be5 38. Bxe5
fxe5 39. a5 Kf7 40. f4 exf4 41. Rxf4+ Ke8 42. Rf5 Rf7 43. Rd5 Rd7 44. Rf5 Ke7
45. f4 g6 46. Rb5 Kf6 47. Kg3 Rd3+ 48. Kh4 Rd7 49. Kg4 Kg7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rezende, Uelton"]
[Black "Lima, Lucas Taveira"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. Nf3 g6 2. e4 Bg7 3. Bc4 d6 4. O-O Nf6 5. e5 dxe5 6. Nxe5 O-O 7. d4 Nbd7 8.
f4 ({RR} 8. c3 c5 9. h3 cxd4 10. cxd4 Nb6 11. Bb3 Nbd5 12. Nc3 Be6 13. Bg5 Nc7
14. Re1 Bd5 15. Nxd5 Nfxd5 16. Bh4 Bf6 17. Bg3 e6 18. Ng4 Bg7 19. Be5 h5 20.
Nh2 Ne7 21. Nf3 Nc6 22. Qd2 Nxe5 {Fridman,D (2597)-Mista,A (2588) Germany 2016
1/2-1/2 (35)}) ({RR} 8. Nf3 Nb6 9. Bb3 a5 10. c3 a4 11. Bc2 Bg4 12. h3 Bxf3 13.
Qxf3 Qd5 14. Qxd5 Nfxd5 15. a3 Nc4 16. Nd2 Nxd2 17. Bxd2 b5 18. Rfe1 e6 19.
Rad1 c6 20. g3 Rfe8 21. Kg2 Rac8 22. Be4 Nb6 {Gulkov,I (2358)-Moroni,L (2566)
chess.com INT 2021 0-1 (62)}) 8... Nb6 9. Bb3 Qd6 $146 ({RR} 9... c6 10. c3 Bf5
11. Nd2 Qc8 12. Ndf3 Bg4 13. Qe1 Bxf3 14. Rxf3 e6 15. Qh4 Qd8 16. g4 Nfd5 17.
Qf2 f5 18. g5 Bxe5 19. fxe5 a5 20. a4 Rf7 21. c4 Nb4 22. Be3 Nc8 23. Rd1 Rd7
24. Rh3 {Joyner,L-Suttles,D Canada 1963 1-0 (49)}) 10. c4 c5 11. d5 Nfd7 12.
Nf3 Nf6 13. Nc3 Bg4 14. h3 Bf5 15. Re1 h5 16. Ne5 Rfe8 17. Bc2 Bxc2 18. Qxc2 e6
19. Nb5 Qd8 20. d6 Rf8 21. Be3 Nbd7 22. Rad1 a6 23. Nc7 Rc8 24. Bf2 Ne8 25.
Nxd7 Qxd7 26. Bxc5 Rd8 27. Ba3 Qc6 28. Qe2 Nxd6 29. Nxe6 Rfe8 30. Nxd8 Rxd8 31.
Qd3 Bf8 32. c5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Ribeiro, Fabiano Pinto"]
[Black "Andrade, Roberto Costa"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 d6 2. c4 c5 3. d4 cxd4 4. Qxd4 Nc6 5. Qd1 Nf6 6. Nc3 g6 7. Nf3 Bg7 8. Be2
O-O 9. O-O Bd7 $146 ({RR} 9... a6 10. a3 Be6 11. Qd3 Rb8 12. Rb1 Qc8 13. b4 Nd7
14. Nd5 Bxd5 15. cxd5 Nce5 16. Nxe5 Nxe5 17. Qb3 b5 18. Bb2 Qb7 19. Rbc1 Rbc8
20. Bc3 Rc7 21. Qb2 Rfc8 22. f4 Nd3 23. Bxd3 Rxc3 24. Rxc3 {Peter,J-Heining,T 
(2085) Miercurea Ciuc 1999 0-1 (41)}) 10. h3 Rc8 11. Rb1 Na5 12. e5 dxe5 13.
Nxe5 Bf5 14. Ra1 Ne4 15. Nxe4 Bxe5 16. Nd2 Bb8 17. Qa4 Qc7 18. Nf3 Be4 19. g3
Bxf3 20. Bxf3 Nxc4 21. Bf4 Nxb2 22. Qe4 Qc4 23. Bh6 Qxe4 24. Bxe4 Rfd8 25. Bxb7
Rc7 26. Bg2 Rcd7 27. Rab1 Be5 28. h4 Rd1 29. Rfxd1 Rxd1+ 30. Rxd1 Nxd1 31. Bd2
Bd4 32. Be1 Kg7 33. Bf3 Nc3 34. Bxc3 Bxc3 35. h5 Kh6 36. hxg6 hxg6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rocha, Jean Henrique"]
[Black "Sovinski, Marcos Roberto"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 Nc6 6. Nc3 d5 7. cxd5 Nxd5 8.
Nxd5 ({RR} 8. a3 a5 9. d4 Bg4 10. Nxd5 Qxd5 11. Ne5 Qe6 12. Nxg4 Qxg4 13. e3
Qxd1 14. Rxd1 a4 15. Bd2 e5 16. d5 Na5 17. Rac1 e4 18. Rxc7 Bxb2 19. Bb4 Rfe8
20. d6 Nc6 21. d7 Red8 22. Bc5 f5 {Kramnik,V (2751)-Svidler,P (2713) ICC INT
1999 1-0}) 8... Qxd5 9. Qa4 ({RR} 9. a3 Qh5 10. d3 Bh3 11. Bf4 Bxg2 12. Kxg2
Qb5 13. Rb1 Rac8 14. b4 Rfd8 15. Qc2 Qd5 16. a4 Nd4 17. Qc5 Nxf3 18. exf3 e5
19. Bg5 f6 20. Be3 b6 21. Qc4 Kf8 22. Rfd1 Qxc4 23. dxc4 Ke7 {Kovacs,K (2197)
-Aggelis,N (2284) chess.com INT 2021 0-1 (41)}) 9... b5 $146 ({RR} 9... Qh5 10.
Re1 Bh3 11. Bh1 Bd7 12. d3 a5 13. Bd2 Rfd8 14. Qf4 e5 15. Qc4 Qg4 16. Qxg4 Bxg4
17. Bc3 Nd4 18. Bxd4 exd4 19. Nd2 c6 20. Ne4 a4 21. a3 b6 22. Rac1 c5 23. Rc2
Ra7 24. Bg2 {David,P (2430)-Stohl,I (2585) Czechia 2000 1-0 (62)}) 10. e4 Qc5
11. Qd1 Ne5 12. Ne1 Bb7 13. d4 Rad8 14. Nc2 Qb6 15. Be3 Nc4 16. Rb1 Nxe3 17.
fxe3 e5 18. Qf3 f5 19. Qe2 Bxe4 20. Bxe4 fxe4 21. dxe5 Bxe5 22. b3 a5 23. Qg4
Qc6 24. Rbc1 Rxf1+ 25. Rxf1 Rf8 26. Nd4 Rxf1+ 27. Kxf1 Bxd4 28. exd4 Qf6+ 29.
Ke2 Qxd4 30. Qc8+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rocha, Matheus Eugenio"]
[Black "Romais, Rodrigo"]
[Result "1-0"]
[ECO "D88"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8.
Ne2 cxd4 9. cxd4 Nc6 10. Be3 Bg4 11. f3 Bd7 12. O-O O-O 13. Rc1 Rc8 ({RR} 13...
b5 14. Bxb5 Nxd4 15. Bxd7 Nxe2+ 16. Qxe2 Qxd7 17. Rfd1 Qb7 18. Rb1 Qc6 19. Rdc1
Qd7 20. Qb5 Rfd8 21. Qxd7 Rxd7 22. Rd1 Rxd1+ 23. Rxd1 a5 24. Rd7 e6 25. Ra7
Rxa7 26. Bxa7 Kf8 27. Kf2 Ke7 28. Ke2 {Krush,I (2429)-Muzychuk,M (2544) chess.
com INT 2020 1/2-1/2 (33)}) 14. Qd2 Na5 15. Bd3 Re8 $146 ({RR} 15... b6 16.
Rxc8 Qxc8 17. Rc1 Qb7 18. Bf4 Rc8 19. Rxc8+ Qxc8 20. d5 Nc4 21. Qc1 Qc5+ 22.
Kf1 b5 23. Bxc4 bxc4 24. Nc3 Qd4 25. Bd2 Qd3+ 26. Ke1 Bh3 27. gxh3 Qxf3 28. Qb2
Be5 29. Qb4 Bxh2 30. Bh6 {Kladiva,L-Jakab,A (2210) Budapest 1998 0-1 (36)}) 16.
Rxc8 Bxc8 17. Rc1 b6 18. Qc2 Bb7 19. Qc7 Qc8 20. Bb5 Qxc7 21. Rxc7 Rc8 22. Rxe7
Rc2 23. Re8+ Bf8 24. Bh6 Rc8 25. Rxc8 Bxc8 26. Bxf8 Kxf8 27. Kf2 Ke7 28. Ke3 a6
29. Bd3 g5 30. Nc3 b5 31. g3 Nc6 32. f4 h6 33. d5 Nb4 34. Bb1 Kd6 35. a3 Nxd5+
36. Nxd5 f5 37. Kd4 fxe4 38. Bxe4 gxf4 39. Nxf4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rodrigues, Edgar"]
[Black "Santiago, Yago"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "110"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nf3 Bxc5 6. Bd3 Nc6 7. O-O Nge7 8. a3
Qc7 9. Nc3 a6 10. Bf4 Bd7 11. Bg3 h6 12. h4 $146 ({RR} 12. Re1 Nd4 13. Nxd4
Bxd4 14. Qg4 Bxc3 15. bxc3 g6 16. c4 dxc4 17. Qxc4 Qxc4 18. Bxc4 Nf5 19. f3 Rc8
20. Bd3 Nxg3 21. hxg3 Ba4 22. c4 Rc7 23. Rab1 Kd8 24. Kf2 Kc8 25. g4 h5 26.
gxh5 Rxh5 {Brustkern,J (2273)-Tolstikh,N (2436) Olomouc 2001 0-1 (48)}) 12...
g5 13. h5 g4 14. Nh2 f5 15. exf6 Qxg3 16. fxe7 Ne5 17. Bg6+ Nxg6 18. hxg6 h5
19. Nxd5 Bc6 20. g7 Rg8 21. c4 exd5 22. cxd5 Bd7 23. Qc2 Qd6 24. b4 Ba7 25. Qh7
Kf7 26. Qxh5+ Qg6 27. Qe5 Bb8 28. d6 Bxd6 29. Qd5+ Qe6 30. Qh5+ Kxg7 31. Rfe1
Qf5 32. Qxf5 Bxf5 33. Nf1 Rae8 34. Re3 Rxe7 35. Rd1 Rd7 36. Ng3 Kf6 37. Nxf5
Kxf5 38. g3 Rdd8 39. Rd5+ Kf6 40. Re4 Rg5 41. Rdd4 Be7 42. Rc4 Rd7 43. Kg2 b5
44. Rc6+ Rd6 45. Rc7 Bd8 46. Rh7 Rg6 47. Re8 Bb6 48. Rhh8 Re6 49. Ref8+ Ke5 50.
Rf4 Ref6 51. Rh5+ Kd6 52. Rh8 Rxf4 53. gxf4 Kd5 54. Rc8 Rc6 55. Re8 Kc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rodrigues, Julliano"]
[Black "Franco Filho, Sinvaldo"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4
Qa5+ 9. c3 cxd4 10. b4 Qc7 11. Nxd4 Nxd4 12. Bxd4 a5 ({RR} 12... b6 13. Bb5 Bb7
14. O-O Bc6 15. Bd3 g6 16. Rc1 b5 17. Nb2 Nb6 18. Qe2 Nc4 19. a4 a6 20. Ra1 Qb7
21. axb5 axb5 22. Rxa8+ Qxa8 23. f5 Be7 24. f6 Bd8 25. Bb1 Qb8 26. Nd3 Bc7 27.
Re1 {Brenjo,S (2446)-Nitish,B (2327) Novi Sad SRB 2019 1/2-1/2 (65)}) 13. a3
Be7 14. Bd3 f6 $146 ({RR} 14... Qc6 15. O-O b5 16. Nb2 Bd8 17. Qe2 Rb8 18. Qg4
Kf8 19. f5 h5 20. Qf3 Bb6 21. fxe6 Nxe5 22. Qe3 Qxe6 23. Bf5 {1-0 (23)
Haslinger,S-Thompson,T (2040) Aberdeen 1994}) ({RR} 14... O-O 15. O-O b6 16.
Re1 Ba6 17. Bc2 Bc4 18. f5 exf5 19. Bxf5 b5 20. Nb2 axb4 21. axb4 Rxa1 22. Qxa1
Nb6 23. Qb1 g6 24. Bg4 Na4 25. e6 f5 26. Bf3 Nxb2 27. Qxb2 Ra8 28. Ra1 Rxa1+
29. Qxa1 {Wu,D (2255)-Viana,V (1834) chess.com INT 2023 1-0 (48)}) 15. Qh5+ Kd8
16. O-O axb4 17. axb4 fxe5 18. fxe5 Rf8 19. Rxf8+ Bxf8 20. Qf7 Be7 21. Qxe6 Nf8
22. Qxd5+ Qd7 23. Bb6+ Ke8 24. Bb5 Qxb5 25. Qxb5+ Bd7 26. Qd5 Rxa4 27. Rxa4
Bxa4 28. Qxb7 Bb3 29. Bd4 Ne6 30. b5 Bg5 31. Qf3 Bd8 32. b6 Kd7 33. Qb7+ Ke8
34. Qc6+ Kf7 35. b7 Bc7 36. Qxc7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Rosa, Diego"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B35"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. O-O Bg7 8.
Be3 O-O 9. f3 Bd7 10. Qd2 Nxd4 ({RR} 10... Na5 11. Be2 a6 12. Bh6 Bxh6 13. Qxh6
Qb6 14. Qe3 Qxb2 15. Rab1 Qa3 16. f4 Rac8 17. f5 Qxc3 18. Bd3 Ng4 19. Qg5 Qxd4+
{0-1 (19) Voskolovich,B-Faizulaev,A (2398) Moscow RUS 2022}) 11. Bxd4 Bc6 12.
Rad1 a6 13. a4 $146 ({RR} 13. Nd5 Nd7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Kh1 b5 17.
Bb3 Nc5 18. Rf2 Nxb3 19. cxb3 Bxd5 20. Qxd5 Rc8 21. a4 Qb6 22. Rfd2 Rc5 23. Qd4
Qc6 24. axb5 Rxb5 25. Qc4 Qb6 26. Rd3 Rb8 27. Ra1 a5 {Beluska,T (1496)-Egorova,
A (1833) Prague 2012 0-1 (44)}) 13... Qc7 14. Be3 Kh8 15. Bh6 Bxe4 16. Bxg7+
Kxg7 17. Bxf7 Bxc2 18. Rc1 Rxf7 19. Rxc2 Rc8 20. Re1 Qc5+ 21. Kh1 Qh5 22. Qd4
Rcf8 23. Ne4 e5 24. Nxf6 Rxf6 25. Rc7+ R8f7 26. Rxf7+ Rxf7 27. Qxd6 Qf5 28. h3
Kh6 29. Re2 Rd7 30. Qxe5 Qxe5 31. Rxe5 Rd2 32. b4 Rd4 33. g4 Rxb4 34. a5 b5 35.
Re7 Kg5 36. Kg2 h5 37. Rf7 Rb2+ 38. Kg1 hxg4 39. fxg4 Kh4 40. Rf6 Kg3 41. Kf1
g5 42. Rf5 Rb4 43. Ke2 Kxh3 44. Kf3 Rb3+ 45. Kf2 Kxg4 46. Re5 Rb2+ 47. Kf1 Kh4
48. Re4+ g4 49. Rd4 Kh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Santiago, Mauro"]
[Black "Teixeira, Jonas"]
[Result "1-0"]
[ECO "E04"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. Nbd2 Nbd7 ({RR} 6... b5
7. b3 Nbd7 8. Bb2 Bb7 9. e3 c5 10. dxc5 Nxc5 11. Qe2 b4 12. Rfd1 a5 13. Ne5 Qb6
14. c4 bxc3 15. Bxc3 Rfc8 16. Bd4 Qa6 17. Qf3 Ncd7 18. Rac1 Nxe5 19. Bxe5 Qb6
20. Qf4 Qb4 21. Nf3 {Vachier Lagrave,M (2745)-Leko,P (2730) Beijing 2013 1/2-1/
2 (50)}) 7. Re1 ({RR} 7. a3 c5 8. c3 b6 9. b4 a5 10. Ne5 Nxe5 11. dxe5 Nd7 12.
bxc5 bxc5 13. f4 Ba6 14. c4 Nb6 15. cxd5 Nxd5 16. Ne4 c4 17. Kh1 Rc8 18. Qc2 c3
19. a4 Nb4 20. Qb3 Bc4 21. Qb1 Bxe2 {Kovacs,K (2121)-Pasti,A (2381) chess.com
INT 2023 0-1 (35)}) 7... c5 8. c3 Qc7 $146 ({RR} 8... b6 9. e4 dxe4 10. Nxe4
Nxe4 11. Rxe4 Bb7 12. Re1 Nf6 13. dxc5 Qxd1 14. Rxd1 Bxc5 15. Bf4 Ng4 16. Rd2
Rfd8 17. Rad1 Bxf2+ 18. Kh1 Rxd2 19. Rxd2 Bc5 20. h3 Nf6 21. Ne1 Bxg2+ 22. Nxg2
Kf8 23. Kh2 {Faessler,M-Thorsteinsdottir,G Buenos Aires 1978 0-1 (44)}) 9. e4
dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Bf4 Qb6 13. Re2 Rd8 14. Qc2 Bd7 15. Be5 Ng4
16. dxc5 Bxc5 17. Bd4 Rac8 18. h3 Bxd4 19. Nxd4 Nf6 20. Rd1 Be8 21. g4 h6 22.
f4 Bc6 23. Kh2 Bxg2 24. Rxg2 Nd5 25. Qe4 Rxc3 26. Nc2 Rc4 27. Qxc4 Qxb2 28.
Rgd2 Qf6 29. g5 hxg5 30. fxg5 Qe5+ 31. Kh1 Kh7 32. Qh4+ Kg8 33. g6 fxg6 34.
Qxd8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Santos, Clecio Franca"]
[Black "de Deus Filho, Joaquim"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2
O-O 9. O-O-O a6 10. h4 h5 ({RR} 10... Qa5 11. Nb3 Qc7 12. h5 Ne5 13. hxg6 fxg6
14. Bh6 Be6 15. Nd4 Bf7 16. Bxg7 Kxg7 17. Qh6+ Kg8 18. g4 Bc4 19. Bxc4+ Qxc4
20. Nf5 gxf5 21. g5 Qf7 22. gxf6 exf6 23. Nd5 Nd7 24. exf5 Kh8 25. Nc7 {
Djokic,M (2221)-Simonovic,M (2115) chess.com INT 2023 1-0 (47)}) 11. Be2 ({RR} 
11. Kb1 Bd7 12. Bc4 b5 13. Bb3 Na5 14. Bh6 Nc4 15. Bxc4 bxc4 16. Bxg7 Kxg7 17.
g4 Rb8 18. g5 Ng8 19. Nd5 e6 20. Ne3 Qc7 21. Qc3 e5 22. Ne2 Be6 23. f4 Ne7 24.
Rhf1 Bh3 25. Rf2 Kg8 {Hansen,E (2606)-Malyshev,V (2353) lichess.org INT 2021
1-0 (35)}) 11... Nxd4 $146 ({RR} 11... Bd7 12. g4 b5 13. gxh5 Nxh5 14. f4 Ng3
15. Rhg1 Nxe2+ 16. Qxe2 b4 17. Nb1 Nxd4 18. Bxd4 Bxd4 19. Rxd4 Qb6 20. Rdd1
Rac8 {1/2-1/2 (20) Murawski,G (2362)-Jankowski,Z (1800) Ustron 2003}) 12. Bxd4
Be6 13. Nd5 Bxd5 14. exd5 Qd7 15. Kb1 Qf5 16. Bc3 Rfc8 17. g4 hxg4 18. fxg4 Qd7
19. Bd4 Qa4 20. Bf3 Rc7 21. g5 Ne8 22. Bxg7 Nxg7 23. h5 Rac8 24. Rh2 Rxc2 25.
Qxc2 Rxc2 26. Rxc2 Nxh5 27. Rh1 Qd4 28. a3 Qd3 29. Bxh5 gxh5 30. Re1 Kf8 31.
Ree2 Qd1+ 32. Ka2 Qxd5+ 33. Ka1 Qxg5 34. Rg2 Qf5 35. Rc1 e5 36. Rh1 d5 37. Rgh2
d4 38. Rxh5 Qe4 39. Rf1 Ke7 40. Rhf5 Qd5 41. Re1 f6 42. Ref1 Qe6 43. Rh5 e4 44.
Rh7+ Kd6 45. Rxb7 Ke5 46. Rc7 e3 47. Kb1 Ke4 48. Kc1 d3 49. Kb1 e2 50. Re1 Ke3
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Santos, Marcus Vinicius"]
[Black "Ferreira, Thales"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "174"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. e3
b6 9. Nc3 Bb7 10. Qe2 ({RR} 10. Ne2 Bd6 11. d4 dxc4 12. bxc4 c5 13. d5 exd5 14.
cxd5 Qe7 15. Nh4 g6 16. Nc3 Ne5 17. Nb5 Ba6 18. a4 Bxb5 19. axb5 Nc4 20. Bc3
Nd7 21. Qe2 Na5 22. f4 Nb3 23. Rab1 c4 24. e4 Bc5+ {Malakhov,V (2716)
-Klekowski,M (2402) Warsaw 2013 1-0 (35)}) 10... Rc8 ({RR} 10... c5 11. cxd5
exd5 12. d4 Qb8 13. Rfd1 Re8 14. Rac1 Bf8 15. Qc2 a5 16. Na4 Bc6 17. Ne5 Bxa4
18. bxa4 c4 19. Nxd7 Nxd7 20. Bxd5 Ra7 21. Qxc4 Nf6 22. Bg2 Bd6 23. Re1 Bb4 24.
Re2 Rae7 25. a3 {Ambartsumova,K (2399)-Mione,D (2228) chess.com INT 2023 1-0})
11. Rad1 Qc7 $146 ({RR} 11... Rc7 12. d3 Qa8 13. e4 Rd8 14. Nh4 dxe4 15. dxe4
Nf8 16. f4 Ng6 17. Nxg6 hxg6 18. e5 Ne8 19. h4 Rcd7 20. Rxd7 Rxd7 21. Rd1 Rxd1+
22. Qxd1 c5 23. Bf1 Bc6 24. Bd3 Qd8 25. Bc2 Qxd1+ 26. Nxd1 {Predojevic,B (2643)
-Jurcik,M (2355) Rogaska Slatina 2011 1/2-1/2 (80)}) 12. d3 c5 13. Ne1 Rfd8 14.
f4 dxc4 15. bxc4 Bxg2 16. Nxg2 Nb8 17. g4 Nc6 18. g5 Nd7 19. Ne4 Bf8 20. h4 Ne7
21. h5 Nf5 22. Qg4 a6 23. h6 g6 24. Qe2 Be7 25. Bc3 b5 26. cxb5 axb5 27. Ba1
Rf8 28. Qb2 f6 29. Qxb5 Nd6 30. Nxd6 Qxd6 31. Qb2 Rb8 32. Qc3 Nb6 33. e4 Qd4+
34. Qxd4 cxd4 35. gxf6 Bxf6 36. e5 Be7 37. Bxd4 Nd5 38. Rb1 Ra8 39. Rf2 Ra4 40.
Ba1 Bc5 41. d4 Bxd4 42. Bxd4 Rxd4 43. Rb7 Rf7 44. Rxf7 Kxf7 45. Rb2 Nxf4 46.
Rb7+ Kg8 47. Rg7+ Kf8 48. Nxf4 Rxf4 49. Rxh7 Rg4+ 50. Kf2 Rh4 51. Kg3 Rh5 52.
Kf4 Rf5+ 53. Ke4 Rh5 54. Kd4 g5 55. Kc5 Kg8 56. Rg7+ Kf8 57. Rg6 Kf7 58. Rf6+
Ke7 59. Kd4 g4 60. Rg6 g3 61. Rxg3 Rxh6 62. Rg7+ Kf8 63. Ra7 Rh1 64. a4 Rd1+
65. Ke4 Re1+ 66. Kd4 Rd1+ 67. Kc5 Rd5+ 68. Kb6 Rxe5 69. a5 Re1 70. Rc7 Rb1+ 71.
Ka7 Ra1 72. a6 Ke8 73. Rc6 Kd7 74. Rb6 Kc7 75. Rxe6 Ra2 76. Re3 Rc2 77. Re7+
Kc8 78. Ka8 Ra2 79. Re6 Rc2 80. Rb6 Rc1 81. Rb8+ Kc7 82. Rh8 Rb1 83. Rh7+ Kc8
84. Rb7 Ra1 85. Ka7 Ra2 86. Rb5 Rc2 87. Rb8+ Kc7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Sega, Carlos Alberto"]
[Black "Santos, Matheus Garcett"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. e3 d6 6. Nge2 f5 7. d4 Nf6 8. O-O
O-O 9. Nd5 ({RR} 9. d5 Ne7 10. f4 e4 11. b3 c6 12. dxc6 bxc6 13. Ba3 c5 14. Qd2
Qa5 15. Nxe4 Qxd2 16. Nxd2 Rb8 17. Bb2 Bb7 18. Bxb7 Rxb7 19. Nc3 Nc6 20. Rfd1
Nb4 21. Nf1 Ne4 22. Nxe4 Bxb2 23. Nxd6 Rd7 {Smejkal,J (2500)-Kavalek,L (2535)
Ceska Trebova 1996 1-0 (35)}) 9... e4 ({RR} 9... Nd7 10. Rb1 Ne7 11. b4 Nxd5
12. Bxd5+ Kh8 13. c5 c6 14. Be6 d5 15. dxe5 Nxe5 16. Nf4 Re8 17. Bxc8 Rxc8 18.
Bb2 b6 19. cxb6 axb6 20. a4 Nc4 21. Bxg7+ Kxg7 22. Qd4+ Qf6 23. Rfd1 Re4 24.
Qxf6+ {Biedermann,H (1746)-Trefzer,E (2012) Freudenstadt 2015 1/2-1/2}) 10.
Nec3 $146 ({RR} 10. Nef4 Nxd5 11. Nxd5 Be6 12. Bd2 Qd7 13. Rc1 Nd8 14. Nf4 Bf7
15. h4 c6 16. b4 Ne6 17. Nxe6 Bxe6 18. a4 d5 19. c5 h6 20. Rb1 Qf7 21. b5 g5
22. hxg5 hxg5 23. bxc6 bxc6 24. Qe2 Qg6 {Milicevic,P (2280)-Tringov,G (2435)
Kragujevac 1984 0-1 (34)}) 10... Ne7 11. f3 exf3 12. Rxf3 c6 13. Nxf6+ Bxf6 14.
Qd3 d5 15. Bd2 dxc4 16. Qxc4+ Kg7 17. Raf1 Qd6 18. a3 Be6 19. Qe2 Rae8 20. g4
Qd7 21. gxf5 Nxf5 22. Ne4 Bd5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Serafim, Paulo Rogerio"]
[Black "Panazzolo, Paulo"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 c5 7. d4 Nbd7 ({RR} 
7... Nc6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Be2 cxd4 11. Nxd4 Qa5+ 12. Kf1 Ba3 13.
Bxa3 Qxa3 14. h4 Nxd4 15. Qxd4 Be6 16. h5 h6 17. g3 Rac8 18. Bd3 Qc5 19. Rh4
Qxd4 20. Rxd4 Rc5 21. Kg2 Rfc8 22. Be2 {Le Quang Liem (2709)-So,W (2770)
chess24.com INT 2020 1/2-1/2 (55)}) ({RR} 7... cxd4 8. exd4 Nc6 9. Bd3 b6 10.
O-O Bb7 11. Ne2 Rc8 12. Rc1 h6 13. Ne5 Nxe5 14. dxe5 Ne4 15. Ng3 Bg5 16. f4 Be7
17. Kh1 Nxg3+ 18. hxg3 dxc4 19. Bxc4 Qxd1 20. Rfxd1 Rfd8 21. g4 g6 22. Kh2 {
Goltseva,E (2292)-Buker,M (1996) chess.com INT 2021 1/2-1/2 (60)}) 8. Qc2 $146
({RR} 8. cxd5 cxd4 9. Qxd4 Nb6 10. dxe6 Bxe6 11. Qxd8 Rfxd8 12. Nd4 Bd7 13. Bd3
Nbd5 14. Nxd5 Nxd5 15. Ke2 Bf6 16. Rhc1 Re8 17. Kf1 Nb4 18. Be2 Nc6 19. Rd1
Nxd4 20. Bxd4 Bxd4 21. Rxd4 Bc6 22. b4 Re4 {Kuhn,G (2053)-Meyer,W (1516)
Pinneberg 2016 1-0 (31)}) 8... Qa5 9. cxd5 exd5 10. Be2 cxd4 11. Nxd4 Nc5 12.
O-O Nce4 13. Bd3 Nd6 14. Rfd1 Bg4 15. f3 Bh5 16. Nf5 Nxf5 17. Bxf5 Bg6 18. a3
d4 19. Bxg6 dxc3 20. Bxc3 Qg5 21. Bf5 Qxe3+ 22. Kh1 Qc5 23. Bd4 Qxc2 24. Bxc2
b6 25. b4 Rad8 26. Bb3 Nh5 27. Be5 Bf6 28. Bxf6 Nxf6 29. Kg1 g6 30. Kf2 Rfe8
31. Rac1 Rc8 32. Bc4 Kg7 33. Bb5 Rxc1 34. Rxc1 Re7 35. Rc8 Re5 36. Bc4 Re7 37.
Bb5 Re5 38. Bc4 Re7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Silva, Afranio Marcio"]
[Black "Santos, Wenesley"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. g3 ({RR} 7.
Qe2 h6 8. Bh4 Nc6 9. O-O-O Nxd4 10. Rxd4 e5 11. Rd1 O-O 12. Bxf6 Bxf6 13. Nd5
Bg5+ 14. Kb1 Be6 15. g3 Qd7 16. Qd3 Rac8 17. f4 exf4 18. gxf4 Bxd5 19. fxg5 Bc4
20. Qd4 Qe6 21. gxh6 Bxa2+ {Smolen,J (2384)-Ftacnik,L (2545) Slovakia 2013 1-0
(60)}) 7... Nc6 ({RR} 7... h6 8. Bf4 O-O 9. Bg2 Qc7 10. O-O Nc6 11. Ndb5 Qb6
12. Qd2 e5 13. Be3 Qd8 14. a4 Ng4 15. Nd5 Nxe3 16. Qxe3 Bg5 17. Qe2 a6 18. Nbc7
Rb8 19. Rab1 Nd4 20. Qd3 Nc6 21. b4 Ne7 22. c4 {Naidoo,K (791)-Keun,A (741)
Waterkloof 2015 0-1 (40)}) 8. Bg2 Nxd4 $146 ({RR} 8... Qb6 9. Nxc6 bxc6 10. b3
Qa5 11. Qd2 d5 12. a3 Bb4 13. Bxf6 gxf6 14. O-O Bxc3 15. Qc1 Bxa1 16. Qxa1 e5
17. Rd1 d4 18. Rd3 c5 19. Rf3 Qb6 20. Qc1 h5 21. Bf1 Be6 22. Rxf6 O-O-O 23. Qg5
{Baglar,S-Lankenau,C Bremen 1992 0-1 (45)}) 9. Qxd4 e5 10. Qd3 a6 11. Nd5 Qa5+
12. Bd2 Qd8 13. Qa3 Nxd5 14. exd5 O-O 15. O-O Bf5 16. c4 Qc8 17. Rac1 Bh3 18.
Qe3 Bxg2 19. Kxg2 h6 20. f4 Bf6 21. b3 exf4 22. Qxf4 Bg5 23. Qd4 Bxd2 24. Qxd2
Qg4 25. Rf4 Qd7 26. Rcf1 Rae8 27. Re1 Rxe1 28. Qxe1 Re8 29. Re4 Kf8 30. Rxe8+
Qxe8 31. Qxe8+ Kxe8 32. Kf3 Ke7 33. Kf4 g6 34. a4 a5 35. Ke4 f5+ 36. Kf4 Kf6
37. h4 g5+ 38. hxg5+ hxg5+ 39. Kf3 Ke5 40. Ke3 b6 41. Kd3 f4 42. g4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Silva, Guilherme H"]
[Black "Silva, Anjossendre"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "143"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O e5 5. Bxc6+ bxc6 6. d3 f5 7. Re1 Nf6 8.
exf5 Be7 9. Nbd2 Bxf5 10. Nf1 O-O 11. Ng3 Bg4 $146 ({RR} 11... Bd7 12. c3 Nd5
13. h3 Nf4 14. d4 cxd4 15. cxd4 exd4 16. Nxd4 d5 17. Qc2 Bb4 18. Bd2 Bxd2 19.
Qxd2 Qf6 20. Re3 c5 21. Nb3 d4 22. Ree1 Bc6 23. f3 Qg5 24. Kh2 Qh4 25. Rf1 Bd7
26. Qf2 {Torosjan,A (1890)-Shvayger,Y (2164) Lugansk 2010 0-1 (35)}) 12. h3
Bxf3 13. Qxf3 Nd5 14. Qg4 Qc8 15. Qxc8 Raxc8 16. a3 a5 17. Ne4 Nf4 18. Nd2 Bd8
19. Nc4 Bc7 20. Bxf4 Rxf4 21. a4 Rcf8 22. Re2 g5 23. g3 R4f7 24. Ne3 Kg7 25. g4
Kf6 26. Kg2 Ke6 27. Nf5 h5 28. f3 Rh7 29. Rh1 Rb8 30. b3 Bd8 31. Ng3 h4 32. Nf5
Bf6 33. Rhe1 Rb4 34. Ne3 d5 35. Rd1 Rhb7 36. Kf2 Bd8 37. Nf5 Bb6 38. Rde1 Bc7
39. Rc1 Rb8 40. Ke1 Kd7 41. Rd1 Re8 42. Kd2 Rf4 43. Rf2 Bb6 44. c4 e4 45. dxe4
Rexe4 46. Ne3 Rd4+ 47. Ke2 Rxd1 48. Kxd1 Ke6 49. Ke2 Ke5 50. Rf1 Bd8 51. Rd1
Rd4 52. Rc1 dxc4 53. Nxc4+ Kf4 54. Ne3 Rb4 55. Nf1 Rxb3 56. Rc4+ Ke5 57. Rxc5+
Kd6 58. Rc4 Bb6 59. Nd2 Re3+ 60. Kd1 Bd8 61. Rd4+ Kc7 62. Kc2 Bf6 63. Re4 Ra3
64. Re6 Bd8 65. Re4 Kd7 66. Rd4+ Ke8 67. Rd6 Rxa4 68. Rxc6 Ra3 69. Ra6 Be7 70.
Kd1 Bb4 71. Ne4 Rxf3 72. Nxg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Silva, Joao Fernandes"]
[Black "Braga, Marcelo Melem"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. Be2 Bxf3 ({RR} 5... Nf6 6. O-O e6
7. b3 Be7 8. Bb2 O-O 9. Nbd2 Nc6 10. Ne5 Bxe2 11. Qxe2 Rc8 12. c3 Re8 13. f4
Bd6 14. Qd3 Nd7 15. Rae1 {1/2-1/2 (15) Berezina,I (2252)-Borosova,Z (2234)
Beijing 2008}) 6. Bxf3 e6 7. c4 $146 ({RR} 7. O-O Nf6 8. c4 Qd7 9. c5 Nc6 10.
a3 g6 11. b4 Bg7 12. Bb2 O-O 13. Nd2 Qc7 14. Re1 Rfe8 15. Nb3 Nd7 16. b5 Ne7
17. Rc1 Rac8 18. g4 Bh6 19. Rc3 Bf4 20. h3 Bg5 21. Bg2 Nf6 {Szemesi,F (1850)
-Kovacs,A (1798) Subotica 2007 1-0 (41)}) ({RR} 7. Nc3 Bd6 8. Bd2 Ne7 9. O-O
O-O 10. Be2 Nbc6 11. Bd3 Nxd4 12. Be3 Ndc6 13. Nb5 a6 14. Nxd6 Qxd6 15. Qh5 h6
16. b3 Ne5 17. Qf3 Nxd3 18. cxd3 Nf5 19. Bd2 Rac8 20. Qg4 d4 21. Bxh6 Nxh6 {
Kannekanti,V-Broussalian,N lichess.org INT 2021 0-1 (41)}) 7... Bb4+ 8. Nc3
Bxc3+ 9. bxc3 Ne7 10. O-O O-O 11. cxd5 exd5 12. Ba3 Re8 13. Qb3 Nbc6 14. Bxe7
Nxe7 15. Qxb7 Qa5 16. Qb4 Qxb4 17. cxb4 Rab8 18. a3 Red8 19. Be2 Nc6 20. Rfd1
Re8 21. Bf3 Rbd8 22. Rac1 Re6 23. b5 Na5 24. Bxd5 Red6 25. Ba2 g6 26. d5 R8d7
27. g4 Rf6 28. Kg2 Nb7 29. Kg3 Nd6 30. f3 Nxb5 31. a4 Nd6 32. h4 Kf8 33. Re1
Rb7 34. Bb1 Rb3 35. Rf1 Nb7 36. Rc8+ Kg7 37. g5 Rfb6 38. Be4 Nd6 39. Rc6 Nxe4+
40. Kf4 Nd2 41. Rxb6 axb6 42. Rf2 Rb4+ 43. Ke5 Nc4+ 44. Ke4 Rxa4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Silva, Lucas Henrique"]
[Black "Aranha Filho, Alvaro"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "108"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Nc3 Nc6 5. Nf3 cxd4 6. exd4 Bg4 7. Be2 e6 8.
O-O ({RR} 8. Ne5 Bxe2 9. Nxe2 Be7 10. O-O O-O 11. c3 Ne4 12. Bxe7 Qxe7 13. Nxc6
bxc6 14. Ng3 Nd6 15. Re1 Rab8 16. Re2 Rfc8 17. b4 a5 18. a3 Nc4 19. Nf1 Ra8 20.
Ne3 Nxe3 21. fxe3 f5 22. Rf2 Qg5 {Mazzilli,P (2311)-Postlmayer,J (2347) chess.
com INT 2023 0-1 (43)}) 8... Bd6 $146 ({RR} 8... Be7 9. Be3 O-O 10. h3 Bh5 11.
g4 Bg6 12. Ne5 Nd7 13. Nxg6 hxg6 14. f4 Qb6 15. Na4 Qa5 16. Nc3 Ba3 17. Qb1 Bb4
18. Nd1 Bd2 19. c3 Bxe3+ 20. Nxe3 f5 21. g5 Qc7 22. h4 Nb6 23. Kg2 {Rombaldoni,
A (2488)-Swiercz,D (2617) Jerusalem 2015 1-0 (40)}) 9. Re1 Bxf3 10. Bxf3 O-O
11. Rb1 Rc8 12. Qd3 a6 13. a3 Na5 14. g3 h6 15. Bxf6 Qxf6 16. Ne2 Rc6 17. c3
Rfc8 18. Nc1 Bxa3 19. Qe2 Bd6 20. Nd3 Nc4 21. Bg2 b5 22. f4 b4 23. Ne5 Bxe5 24.
dxe5 Qe7 25. cxb4 Qxb4 26. f5 exf5 27. Qf2 Qc5 28. Rbd1 Qxf2+ 29. Kxf2 Nxb2 30.
Rxd5 Rc2+ 31. Kg1 Rc1 32. Rxc1 Rxc1+ 33. Bf1 g6 34. Kf2 Nd1+ 35. Kf3 Rc3+ 36.
Ke2 Ne3 37. Rd8+ Kg7 38. Kd2 Ra3 39. Bd3 Ng4 40. Re8 Nxh2 41. Bc4 Nf3+ 42. Ke2
Nd4+ 43. Kf2 Nc6 44. e6 fxe6 45. Rxe6 Nd4 46. Rd6 Nb5 47. Rb6 Nc3 48. Rb7+ Kf6
49. Rb6+ Kg5 50. Bb3 Ne4+ 51. Kg2 a5 52. Bf7 Rxg3+ 53. Kh2 Kf4 54. Bxg6 Ng5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Soares, Renan"]
[Black "Campelo, Danilo"]
[Result "0-1"]
[ECO "A77"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 a6 8. a4
Bg7 9. e4 O-O 10. Be2 Nbd7 11. O-O Re8 12. Qc2 Ne5 13. f4 ({RR} 13. Re1 Bg4 14.
Bf1 Nh5 15. Ra3 Nf4 16. Nd1 Bd7 17. a5 f5 18. g3 Nh5 19. Ne3 fxe4 20. Bg2 Nd3
21. Rd1 Nf6 22. Nxe4 Nxc1 23. Nxd6 Ne2+ 24. Qxe2 Bg4 25. Qc4 Bxd1 26. Nxe8 Nxe8
27. Nxd1 Bd4 {Wang,Y (2626)-Jobava,B (2651) Taiyuan 2006 0-1 (64)}) 13... Neg4
14. Nc4 Nh5 15. Bxg4 Bd4+ $146 ({RR} 15... Bxg4 16. h3 Bc8 17. Bd2 b6 18. Rae1
Rb8 19. e5 dxe5 20. fxe5 Ng3 21. Rf3 Nf5 22. Bf4 Nd4 23. Qf2 Nxf3+ 24. Qxf3 Bd7
25. Nd6 Rf8 26. e6 fxe6 27. dxe6 Bxa4 28. e7 Qxd6 29. Bxd6 Rxf3 30. Nxa4 {
Passager,J (2227)-Besos,M (2291) France 2008 1-0 (36)}) ({RR} 15... Bxg4 16. f5
Bd4+ 17. Kh1 Qh4 18. Qd3 gxf5 19. Nxd6 Be5 20. g3 Nxg3+ {0-1 (20) Sarkar,J 
(2324)-Sanchez Alvares,K (2194) chess.com INT 2021}) 16. Be3 Bxg4 17. Rae1 Nf6
18. h3 Bc8 19. Bxd4 cxd4 20. Nd1 b5 21. axb5 axb5 22. Na3 Qb6 23. Qd3 b4 24.
Nc4 Qc5 25. b3 Ra2 26. Rf2 Rxf2 27. Nxf2 Nxd5 28. g3 Nc3 29. Ra1 Be6 30. Kh2
Bxc4 31. bxc4 Rc8 32. Ng4 h5 33. Nf6+ Kg7 34. Ra5 Qxa5 35. Qxd4 Qa2+ 36. Kh1
Qb1+ 37. Kg2 Qc2+ 38. Kh1 Qd1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Souza, Eliel"]
[Black "Bocca, Edson Ricardo"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Bg4 5. c3 Bxf3 6. Qxf3 Qf6 7. Qxf6 ({RR} 7.
Be3 Qxf3 8. gxf3 g6 9. Bb5 a6 10. Bxc6+ bxc6 11. dxe5 dxe5 12. Nd2 f5 13. exf5
gxf5 14. f4 Bh6 15. Nf3 Bxf4 16. Bxf4 exf4 17. O-O-O Nf6 18. Rhe1+ Ne4 19. Ne5
f3 20. Rd3 O-O 21. Rg1+ Kh8 {Georgiev,K (2470)-Negulescu,A (2395) Warsaw 1987
1-0}) ({RR} 7. Qg3 exd4 8. O-O Be7 9. cxd4 Qxd4 10. Bxf7+ Kxf7 11. Qb3+ d5 12.
Qxb7 Nf6 13. Qxc6 dxe4 14. Nc3 Qe5 15. Qc4+ Kg6 16. Be3 Bd6 17. g3 Qf5 18. Rad1
h5 19. Nd5 h4 20. Nxf6 gxf6 21. Qe2 Qh3 {Thorhallsson,S (2199)-Haraldsson,H 
(1918) Reykjavik ISL 2021 1-0}) 7... Nxf6 8. d5 Ne7 9. Bb5+ $146 ({RR} 9. f3 h6
10. Be3 a6 11. Nd2 g6 12. Bb3 b5 13. a4 Rb8 14. axb5 axb5 15. Ra7 Kd8 16. Ke2
Nc8 17. Ra6 Nd7 18. Rha1 Nc5 19. Ra8 Rxa8 20. Rxa8 Kd7 21. Ra5 Nxb3 22. Nxb3 c6
23. dxc6+ Kxc6 {Gabriel,J (2062)-Brandt,F (1838) Sooden Allendorf 2015 1-0 (40)
}) 9... Nd7 10. O-O O-O-O 11. Be3 a6 12. Be2 f5 13. f3 f4 14. Bf2 g5 15. b4 h5
16. b5 a5 17. Nd2 Nf6 18. b6 c6 19. dxc6 Nxc6 20. Bb5 Nb8 21. Nc4 g4 22. Rfd1
Rg8 23. Kf1 Rg6 24. Bh4 Be7 25. Bxf6 Rxf6 26. Nxa5 gxf3 27. gxf3 Rg6 28. Nb3
Rdg8 29. Rd2 h4 30. Rad1 h3 31. Ke2 Rg2+ 32. Kd3 Rxd2+ 33. Nxd2 Rg2 34. Rh1 Bh4
35. a4 Bf2 36. a5 Kd8 37. Kc4 Bxb6 38. axb6 Rxd2 39. Rg1 Rg2 40. Rh1 Ke7 41.
Kd5 Rd2+ 42. Kc4 Nd7 43. Bxd7 Kxd7 44. Kb5 Rb2+ 45. Kc4 Rf2 46. Kd5 Rxf3 47.
Rg1 Rd3+ 48. Kc4 Rd2 49. Kb5 Rb2+ 50. Kc4 Kc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Souza, Rafael Cabral"]
[Black "Bittencourt, Jorge"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 a5 7. Nbd2 O-O 8. h3 (
{RR} 8. Nf1 Be6 9. Ng3 h6 10. O-O Bxb3 11. axb3 d5 12. Qe2 Re8 13. Bd2 Bf8 14.
Rfd1 Qd7 15. exd5 Qxd5 16. c4 Qe6 17. Bc3 Nd7 18. Qc2 Nc5 19. Ne4 Na6 20. Re1
Rad8 21. Rad1 Nab4 22. Qb1 Qg6 {Mamedov,R (2699)-Shankland,S (2722) Batumi GEO
2018 0-1 (96)}) 8... Be6 9. Ba4 $146 ({RR} 9. Nh2 Qb8 10. Ndf1 Qa7 11. Qf3 a4
12. Bc2 b5 13. a3 Qb6 14. Ng4 Nd7 15. Nge3 Na5 16. Ng3 Qb7 17. Ngf5 Bxe3 18.
Bxe3 Bxf5 19. Qxf5 c5 20. O-O Nc6 21. b4 axb3 22. Bxb3 c4 23. dxc4 Na5 {
Drozdowski,K (2448)-Tatarinov,D (2310) chess.com INT 2023 1/2-1/2 (127)}) 9...
Ba7 10. Nf1 Ne7 11. Ng3 Ng6 12. d4 exd4 13. cxd4 Bc4 14. Be3 d5 15. e5 Ne4 16.
Ne2 c5 17. Bc2 cxd4 18. Bxd4 Bxd4 19. Qxd4 Bxe2 20. Kxe2 Nf4+ 21. Kf1 Ne6 22.
Qe3 N4c5 23. Rd1 Qb6 24. Rd2 d4 25. Nxd4 Nxd4 26. Qxd4 Rad8 27. Qh4 g6 28. Re2
Qxb2 29. Kg1 Qb5 30. Re1 Rd2 31. Bb1 Qb2 32. Qg3 Rfd8 33. Qe3 b6 34. h4 Rd1 35.
Be4 Qxe5 36. f3 Qg3 37. Kf1 R8d2 38. Rg1 Nxe4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Supi, Luis Paulo"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "26"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 7. h3 d6 8. c3
Nf6 9. d4 cxd4 10. cxd4 O-O 11. Nc3 c5 12. e5 dxe5 13. dxe5 Rd8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Teske, Luiz Fernando"]
[Black "Carrico, Victor Hugo"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "38"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O a6 7. a4 Ba7 8. Re1
Ng4 9. Re2 Qf6 10. h3 ({RR} 10. b4 Qg6 11. h3 Nh6 12. Kh2 O-O 13. Nbd2 Kh8 14.
b5 Na5 15. Ba2 f5 16. d4 Qh5 17. Kg1 f4 18. Ba3 Rf6 19. Qf1 Rg6 20. Kh1 Bg4 21.
Ree1 Bb6 22. Rab1 axb5 23. axb5 Nc4 24. Bxc4 Rxa3 {Preotu,R (2483)-Rusonik,M 
(2262) Toronto CAN 2023 1-0 (48)}) 10... h5 11. Nbd2 g5 12. Qe1 $146 ({RR} 12.
d4 exd4 13. e5 dxe5 14. Ne4 Qg7 15. cxd4 Bf5 16. Ng3 Bd7 17. hxg4 Bxg4 18. Nxe5
Bxe2 19. Qxe2 Nxe5 20. Qxe5+ Qxe5 21. dxe5 O-O-O 22. Bxg5 Rd4 23. Bxf7 Rf8 24.
e6 Rg4 25. e7 Rh8 26. Be6+ Kb8 {Arjun,K (2477)-Rakshitta,R (2190) chess.com
INT 2020 1-0}) 12... Nb4 13. cxb4 Nxf2 14. Rxf2 g4 15. Kf1 g3 16. Re2 h4 17.
Nb3 Bxh3 18. Bg5 Qxf3+ 19. Rf2 Bxg2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Timossi, Lucas Jose"]
[Black "Olivo, Anibal"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d4 Bxd4 5. Nxd4 Nxd4 6. O-O Nf6 7. f4 d6 8.
f5 ({RR} 8. fxe5 dxe5 9. Nc3 Bg4 10. Qd3 Be6 11. Bg5 Bxc4 12. Qxc4 c6 13. Rad1
Qe7 14. Kh1 Qe6 15. Qb4 b6 16. Bxf6 gxf6 17. a4 Rg8 18. a5 b5 19. a6 O-O-O 20.
Qc5 Kb8 21. Rd3 Qd6 22. Qxd6+ Rxd6 {Paravyan,D (2653)-Firouzja,A (2728)
lichess.org INT 2020 0-1 (82)}) ({RR} 8. Nc3 Be6 9. Bd3 h6 10. Be3 c5 11. h3
O-O 12. Qd2 c4 13. Be2 Nxe2+ 14. Qxe2 exf4 15. Bxf4 Qb6+ 16. Be3 Qxb2 17. Bd4
Qb4 18. Rab1 Qa5 19. Rb5 Qd8 20. Rxf6 gxf6 21. Rh5 Rc8 22. Qe3 Rc5 {
Ambartsumova,K (2382)-Zanette,E (2115) chess.com INT 2022 1-0}) 8... b5 $146 ({
RR} 8... h6 9. Be3 Nc6 10. Nc3 Bd7 11. a3 Ne7 12. Nd5 Nexd5 13. exd5 c6 14. Qf3
Qc7 15. Rad1 Rd8 16. Qg3 Kf8 17. Bb3 cxd5 18. Bxd5 Bc6 19. c4 Bxd5 20. cxd5 Qa5
21. Qf2 b6 22. b4 Qxa3 23. Ra1 {Wilde,J (1634)-Wigger,F (1771) Germany 2010 1/
2-1/2 (42)}) 9. Bd3 O-O 10. c3 Nc6 11. Bxb5 Bb7 12. Bg5 h6 13. Bxf6 Qxf6 14.
Qg4 a6 15. Bxc6 Bxc6 16. Nd2 Rab8 17. b3 a5 18. Rf3 d5 19. exd5 Bxd5 20. Ne4
Bxe4 21. Qxe4 Rfd8 22. Re3 Re8 23. Rf1 Rbd8 24. a4 Qb6 25. c4 f6 26. Kh1 Rd4
27. Qf3 Red8 28. Rfe1 Qd6 29. h3 Rf4 30. Qh5 Qd7 31. Rf3 Rd4 32. Rg3 Rd3 33.
Rge3 Rxe3 34. Rxe3 Qd4 35. Qf3 c5 36. g4 Qd1+ 37. Qxd1 Rxd1+ 38. Kg2 Rd2+ 39.
Kf3 g6 40. Ke4 Rd4+ 41. Kf3 gxf5 42. gxf5 Rf4+ 43. Ke2 Rxf5 44. Rd3 Kf7 45. Rd5
Ke6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Umetsubo, Cesar"]
[Black "Labussiere, Victor"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 {Svidler,P} c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7.
Be2 O-O 8. O-O d6 9. Bg5 a6 10. f4 b5 11. Bf3 Bb7 ({RR} 11... b4) 12. Kh1 Nd7
13. Qe1 ({RR} 13. Rb1 Re8 ({RR} 13... Nb6 14. Nd5 Nc4 15. e5 Re8 ({RR} 15...
dxe5 16. Nc5 Ra7 17. Nxe7+ Nxe7 18. Qxd8 Rxd8 19. Nxb7 Rd7 20. Rbd1 Rxd1 21.
Rxd1 f6) ({RR} 15... f6 16. exf6 exf6 17. Bh4 Rf7 18. Re1 Qf8 19. c3) 16. exd6
Qxd6 17. Nxe7+ Nxe7 18. Bxb7 Qxd1 19. Rfxd1 Ra7 20. Rd7 Nf5) 14. Nd5 f6 ({RR} 
14... Qb8 15. c3 a5 16. a3 a4 17. Nc1 e6 18. Ne3 Nf6 19. Nd3 Ne7 20. Nf2) 15.
Bh4 e6 16. Ne3 g5 17. Bg3 ({RR} 17. fxg5 fxg5 18. Bg3 Nde5 ({RR} 18... Be5 19.
Ng4 Bxg3 20. hxg3 Nde5 21. Nd4) 19. Bh5 Rf8 20. Qe2 Qe7 21. c3) 17... gxf4 18.
Bxf4 Nde5 19. Bh5 Rf8 20. c3 Qe7 21. Qe2 Ng6 22. Bg3 Nce5 23. Nd2 ({RR} 23. Ng4
f5 24. exf5 exf5) 23... Kh8 ({RR} 23... Rad8 24. Rf2 Bh6 25. Rbf1 Qg7) 24. Rf2
Rad8 25. Rbf1 Bh6 26. Ng4 Nxg4 27. Bxg4 d5 {Apicella,M (2560)-Svidler,P (2650)
Yerevan 1996 CBM 055 [Svidler,P] 0-1 (41)} {RR} 28. e5 ({RR} 28. exd5 Rxd5 ({RR
} 28... Bxd5 29. c4 Bxg2+ ({RR} 29... bxc4 30. Nxc4 f5 ({RR} 30... Qc5 31. b3
f5 32. Bh5) 31. Bh5 f4 32. Bxg6 fxg3 33. Rf7 ({RR} 33. Qe5+ Kg8 ({RR} 33... Bg7
34. Qh5 h6 35. Rxf8+ Rxf8 36. Rxf8+ Qxf8 37. Bd3 Bxg2+) 34. Rxf8+ ({RR} 34.
Bf7+ Rxf7 35. Rxf7 Qh4) 34... Rxf8 35. Rxf8+ Qxf8 36. Bd3) ({RR} 33. Rxf8+ Rxf8
34. Rxf8+ Qxf8 ({RR} 34... Bxf8 35. Bd3) 35. Bd3 Bf4) 33... Rxf7 34. Rxf7 Qh4)
({RR} 29... Ba8 30. Nb3 ({RR} 30. Nf3 f5 31. Bh5 f4) 30... f5 31. Bh5 f4 ({RR} 
31... Be4 32. Bxg6 hxg6 33. Re1 Rd3 ({RR} 33... Bd3 34. Qxe6 Qxe6 35. Rxe6 Bxc4
) 34. Be5+ Kg8 35. cxb5 axb5) 32. Bxg6 hxg6 33. Bxf4 Bxf4 34. Rxf4 Rxf4 35.
Rxf4 ({RR} 35. Qe5+ Qf6) 35... Qg5 36. Rg4 Qf5 37. h3) 30. Kxg2 Rxd2 31. Qxe6)
29. Nb3 f5 30. Bh5 ({RR} 30. Bf3 f4 31. Bxd5 Bxd5) 30... f4 31. Bxg6 fxg3 ({RR
} 31... hxg6 32. Bxf4 Bxf4 33. Rxf4 Rxf4 34. Rxf4 Qg5 35. Rf1)) 28... f5 29.
Bh5 d4 30. cxd4 Rxd4 31. Nf3 Re4) ({RR} 13. Rb1 Re8 14. Nd5 Qb8 15. Qd2 a5 16.
c3 a4 17. Nc1 e6 18. Ne3 Na5 19. b3 Rc8 20. Ne2 axb3 21. axb3 Nc5 22. b4 Nxe4
23. Bxe4 Bxe4 24. bxa5 Bxb1 25. Rxb1 Rxa5 26. Ng4 Qc7 27. Bf6 Qc4 {Srijit,P 
(2419)-Sankalp,G (2536) Dhaka BAN 2022 0-1 (42)}) 13... Rc8 $146 ({RR} 13... a5
14. e5 dxe5 15. Rd1 Qc8 16. Rxd7 Qxd7 17. Nc5 Qc8 18. Nd5 Re8 19. Qf2 e4 20.
Nxe4 Nd4 21. Nxe7+ Rxe7 22. Bxe7 Nxf3 23. gxf3 Bxe4 24. fxe4 Qe6 25. Bh4 Bxb2
26. Qg2 Re8 27. e5 Rc8 28. Rd1 {Brylev,I (2290)-Losev,D (2320) Moscow 1994 0-1
(46)}) ({RR} 13... a5 14. Nxb5 a4 15. Nd2 h6 16. Bh4 Nc5 17. Nc4 Ba6 18. Nba3
Nd4 19. Rf2 Rc8 20. Rd1 Nxf3 21. gxf3 Qc7) 14. Rd1 Nb4 15. e5 Bxf3 16. Rxf3
dxe5 17. fxe5 Qe8 18. e6 Ne5 19. Rh3 Rc4 20. a3 Nbc6 21. Bh6 Bxh6 22. Rxh6 fxe6
23. Rh4 Rxh4 24. Qxh4 Qf7 25. h3 Nc4 26. Re1 e5 27. Qe4 Qf2 28. Qd5+ Kg7 29.
Re2 Qf1+ 30. Kh2 Nd4 31. Nxd4 Qf4+ 32. Kg1 Qxd4+ 33. Qxd4 exd4 34. Rxe7+ Rf7
35. Rxf7+ Kxf7 36. Nd1 Ke6 37. Kf2 Ke5 38. Kf3 Kf5 39. g3 Ke5 40. Ke2 Kd5 41.
Kd3 h6 42. b3 Nxa3 43. Nf2 b4 44. h4 Ke5 45. Nh3 Kf5 46. Nf4 a5 47. Ne2 Kg4 48.
Nf4 Kxg3 49. Nxg6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Urquiza, Marcello"]
[Black "Silva, Erick"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c3 Bf8 14. b4 g5 15.
Bg3 Ne4 16. Bxe4 dxe4 17. Qe2 $146 ({RR} 17. Qxd8 Rxd8 18. Be5 f5 19. Bd4 Ba6
20. Rfd1 Kf7 21. Rd2 Bb5 22. Nb2 a5 23. bxa5 c5 24. Be3 f4 25. Rad1 fxe3 {
0-1 (25) Abella Vazquez,C (2115)-Korneev,O (2583) Ferrol 2002}) 17... a5 18.
Rfd1 Qf6 19. Nc5 Bxc5 20. bxc5 Qxc3 21. Rac1 Qf6 22. Rd6 Re6 23. Rcd1 Ba6 24.
Qxe4 Rxe4 25. Rxf6 Rae8 26. f3 R4e6 27. Rxe6 Rxe6 28. Rd8+ Kh7 29. Ra8 Bc4 30.
Rxa5 Re2 31. a4 Ra2 32. Ra8 f5 33. Be5 Re2 34. f4 Re1+ 35. Kf2 Re2+ 36. Kg1
Re1+ 37. Kf2 Re2+ 38. Kf3 g4+ 39. Kg3 Bd5 40. Ra7+ Kg8 41. Kh4 Rxg2 42. Kh5
Rxh2+ 43. Kg6 Kf8 44. Bf6 Ke8 45. Re7+ Kf8 46. Ra7 Ke8 47. Re7+ Kf8 48. Rd7 Re2
49. a5 g3 50. a6 g2 51. Rd8+ Re8 52. Rxe8+ Kxe8 53. Bd4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Veiga, Emerson"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 5. exd6 exd6 6. c4 Nb6 7. d5 ({RR} 7.
Be3 Be7 8. Nc3 O-O 9. Be2 Bg4 10. b3 f5 11. Qd2 Bf6 12. O-O Qd7 13. h3 Bh5 14.
Rac1 Rae8 15. d5 Bxf3 16. Bxf3 Ne5 17. Bh5 Re7 18. c5 f4 19. Bxf4 dxc5 20. Be3
Qf5 21. Bg4 Qd3 {Novikov,S (2545)-Mamedyarov,S (2699) Sochi 2006 0-1 (49)})
7... Qe7+ $146 ({RR} 7... Nb8 8. Bd3 Be7 9. O-O Bg4 10. Nbd2 O-O 11. Qc2 g6 12.
h3 Bxf3 13. Nxf3 Bf6 14. Re1 Na6 15. Bd2 Nc5 16. Bf1 a5 17. Rab1 Re8 18. b3
Ncd7 19. Rxe8+ Qxe8 20. Re1 Qd8 21. Bc3 Bxc3 22. Qxc3 {Trabert,B (2251)-Ris,R 
(2403) Bad Woerishofen 2007 1/2-1/2 (34)}) ({RR} 7... Nb4 8. a3 Na6 9. Qe2+ Be7
10. Bg5 Nc5 11. Qxe7+ Qxe7+ 12. Bxe7 Kxe7 13. b4 Ne4 14. Ra2 Re8 15. Bd3 Kf8
16. O-O h6 17. Nd4 Bd7 18. f3 Nf6 19. Nc3 Re3 20. Bf5 Bxf5 21. Nxf5 Rxc3 22. c5
{Aydin,L (1348)-Kuyucuogullari,C (1512) Antalya 2017 0-1 (35)}) 8. Be2 Ne5 9.
O-O Nxf3+ 10. Bxf3 Qf6 11. Re1+ Be7 12. Qe2 Bd7 13. Bd2 Nc8 14. Bc3 Qh6 15. Nd2
O-O 16. Ne4 f5 17. Bd2 fxe4 18. Bxh6 exf3 19. Qxe7 Nxe7 20. Rxe7 Rf7 21. Rxf7
Kxf7 22. Be3 fxg2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Viana, Paulo Vitor"]
[Black "Carvalho, Amauri"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "117"]
[EventDate "2021.??.??"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. Bb5+ c6 5. Ba4 b5 6. Bb3 Bg7 ({RR} 6... b4 7.
Na4 Nxe4 8. d3 Nf6 9. O-O Bg7 10. Ng5 d5 11. Nxf7 Kxf7 12. Bd2 Qd6 13. c3 bxc3
14. bxc3 Rf8 15. d4 Kg8 16. c4 Ng4 17. h3 Qh2# {0-1 (17) Maria Hussein
Ismail-Sharku,E Chennai IND 2022}) 7. d3 O-O 8. Be3 $146 ({RR} 8. Bd2 a6 9. O-O
c5 10. h3 Bb7 11. Qe2 Nc6 12. Rae1 Qd7 13. Be3 e5 14. Nd2 Nd4 15. Bxd4 cxd4 16.
Nd1 Rac8 17. a3 Rfe8 18. c3 a5 19. cxd4 a4 20. Bc2 Rxc2 21. f3 exd4 22. f4 Nh5
{Vyas,D (10)-John,A (74) Coventry 2015 0-1 (34)}) 8... a5 9. a3 Bb7 10. O-O
Nbd7 11. Qd2 Ng4 12. h3 Nxe3 13. Qxe3 Qc7 14. d4 e6 15. Rad1 Ba6 16. Rfe1 Nf6
17. e5 dxe5 18. Nxe5 b4 19. axb4 axb4 20. Ne4 Nd5 21. Bxd5 cxd5 22. Nc5 Bxe5
23. Qxe5 Qxe5 24. Rxe5 Bc8 25. b3 Kg7 26. Rc1 Re8 27. c4 bxc3 28. Rxc3 Re7 29.
Na4 Bd7 30. Rc7 Kf8 31. Nc5 Bc8 32. Rxe7 Kxe7 33. Re1 Kd6 34. f4 Ra2 35. Rd1
Bd7 36. Nxd7 Kxd7 37. Rd3 Rb2 38. Kh2 Kc6 39. Rc3+ Kb7 40. Rd3 h5 41. Kg3 Re2
42. Kf3 Re1 43. g3 Rh1 44. h4 Rf1+ 45. Ke2 Rb1 46. Kd2 Rb2+ 47. Kc3 Re2 48. Kb4
Rc2 49. Kb5 Rc6 50. b4 Rb6+ 51. Ka4 Ra6+ 52. Kb3 Rb6 53. Rd1 Ra6 54. b5 Ra8 55.
Rc1 Rc8 56. Rxc8 Kxc8 57. Kb4 Kb7 58. Kc5 f6 59. b6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Wagner, Julia"]
[Black "Felicio, Leonardo"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "134"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8.
Nxe5 Qd4 9. Nxc6 Qxa4 10. Nxa4 bxc6 11. Be3 e5 12. Bc4 Nd5 13. Bc5 Bxc5 14.
Nxc5 Ke7 15. O-O-O Rd8 16. Rhe1 f6 17. Bb3 Bf5 18. Rd4 $146 ({RR} 18. g3 g5 19.
Rd2 Bg4 20. c4 Nb6 21. f4 Rxd2 22. Kxd2 a5 23. a4 h6 24. fxe5 Rd8+ 25. Kc3 Bf5
26. exf6+ Kxf6 27. Bc2 Bxc2 28. Kxc2 Nxc4 29. Re6+ Kf5 30. Rxh6 Ne5 31. h3 Rd5
32. g4+ Kf4 {Kraczek,C (1707)-Mikula,M (1936) Chotowa POL 2023 1/2-1/2 (46)})
18... Kd6 19. Rc4 Rab8 20. Rd1 Rb5 21. Na6 Ra5 22. Nb4 Rc5 23. Rh4 g5 24. Rh6
Ke7 25. Nd3 Rb5 26. g4 Bg6 27. h4 Nf4 28. hxg5 fxg5 29. Nxf4 Rxd1+ 30. Kxd1
gxf4 31. Bg8 Rxb2 32. Bxh7 Bxh7 33. Rxh7+ Kf6 34. Rxa7 e4 35. a4 Ra2 36. a5 f3
37. Ra8 Kg5 38. a6 e3 39. fxe3 Ra1+ 40. Kd2 f2 41. Rg8+ Kh6 42. a7 f1=Q 43.
a8=Q Rxa8 44. Rxa8 Qg2+ 45. Kc3 Qxg4 46. Rh8+ Kg7 47. Rh1 Qe4 48. Rg1+ Kf6 49.
Rf1+ Ke5 50. Rd1 Qxe3+ 51. Rd3 Qc5+ 52. Kd2 Ke4 53. Rb3 Qf2+ 54. Kc1 c5 55. Kb1
c4 56. Rb8 Kd4 57. Kb2 c3+ 58. Ka1 Ke3 59. Kb1 Qf1+ 60. Ka2 Kd2 61. Rh8 Qa6+
62. Kb3 Qb5+ 63. Ka3 Qb2+ 64. Ka4 Qxc2+ 65. Kb4 Qb2+ 66. Kc4 Qa2+ 67. Kd4 c2
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "Zallio, Luciano"]
[Black "Brito, Vicente"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 O-O 5. c4 d6 6. d4 b6 ({RR} 6... e5 7.
dxe5 dxe5 8. Qxd8 Rxd8 9. Bxe5 Nc6 10. Bc3 Ne4 11. Bxg7 Kxg7 12. a3 a5 13. Nbd2
Nc5 14. Be2 Bf5 15. O-O g5 16. h3 h5 17. b4 axb4 18. axb4 Rxa1 19. Rxa1 Nxb4
20. Nd4 Bg6 21. N4b3 {Bu,X (2699)-Ding,L (2710) China 2014 1/2-1/2 (42)}) 7.
Nc3 ({RR} 7. Be2 Bb7 8. O-O Nbd7 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Nd2 Bb7 12. Bf3
Qc8 13. Bxb7 Qxb7 14. Qf3 Qxf3 15. Nxf3 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Bxe5
dxe5 19. Rfd1 Rad8 20. Kf1 f5 21. f3 Kf7 {Netra P Savaikar (1534)-Ritu
Parvathy (1225) Hatkanangale IND 2023 1/2-1/2 (36)}) 7... Bb7 8. Bd3 Nbd7 9. e4
$146 ({RR} 9. Qe2 c5 10. O-O Re8 11. Rad1 cxd4 12. exd4 a6 13. Rfe1 d5 14. Ne5
e6 15. f4 Qc7 16. Kh1 dxc4 17. bxc4 Rad8 18. Bc2 Nxe5 19. fxe5 Nd7 20. Ne4 Bxe4
21. Bxe4 Nb8 22. Rf1 Re7 23. d5 Bxe5 {Ahlich,T (1914)-Nuesslein,C (1645)
Bechhofen 2008 1-0}) 9... e5 10. d5 Nh5 11. g4 Nf4 12. Ne2 Ng2+ 13. Kd2 Bh6+
14. Kc2 Qf6 15. Ng3 Nf4 16. h4 Nxd3 17. Qxd3 Bf4 18. g5 Qe7 19. Ne2 Nc5 20. Qd1
f5 21. Nxf4 fxe4 22. Nxe5 dxe5 23. Nh3 Nd3 24. Qe2 Bc8 25. Raf1 Bf5 26. Qe3 b5
27. cxb5 Nb4+ 28. Kb1 Nxd5 29. Qc1 Nb6 30. Ba3 Qe6 31. Bxf8 Rxf8 32. Ng1 e3+
33. Ka1 Bd3 34. Nh3 e2 35. Re1 Be4 36. Rxe2 Bxh1 37. Qxh1 Qd6 38. Qe4 Qd1+ 39.
Kb2 Rd8 40. Qc2 Qd4+ 41. Qc3 Qxh4 42. Rxe5 Qd4 43. Re8+ Kf7 44. Rxd8 Qxd8 45.
a4 Qe7 46. Qh8 Qe2+ 47. Ka3 Qe7+ 48. b4 Nc4+ 49. Kb3 Nd2+ 50. Kc2 Qxb4 51.
Qxh7+ Kf8 52. Qh8+ Kf7 53. Qf6+ Ke8 54. Qxg6+ Kd8 55. Qf6+ Kc8 56. Qc3 Qg4 57.
Kxd2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "di Berardino, Diego"]
[Black "Mekhitarian, Krikor"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "140"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 O-O 8.
Bg5 h6 9. Bh4 Ne7 ({RR} 9... Bd7 10. Qc2 Na5 11. g4 g5 12. Bg3 Ne4 13. h4 Nxg3
14. fxg3 gxh4 15. Rxh4 Kg7 16. g5 Rh8 17. Ne5 Nxc4 18. gxh6+ Kf8 19. Nxc4 Qg5
20. Kf2 dxc4 21. Qc1 Qf6+ 22. Qf4 Ke7 23. Qxf6+ Kxf6 24. Bg2 {Carlsen,M (2862)
-So,W (2770) chess24.com INT 2020 1-0 (35)}) 10. Bxf6 gxf6 11. cxd5 $146 ({RR} 
11. e3 c5 12. Be2 Bd7 13. Qd1 dxc4 14. Bxc4 Rc8 15. Ba2 Qa5 16. O-O Bc6 17. Nd2
cxd4 18. cxd4 Qg5 19. e4 Rfd8 20. d5 exd5 21. f4 Qh4 22. Qb3 Ng6 23. Rae1 Rc7
24. Re3 dxe4 25. Nxe4 Bxe4 {Abdusattorov,N (2731)-Caruana,F (2764) chess.com
INT 2023 0-1 (47)}) 11... Qxd5 12. Qc2 c5 13. Qd2 Kg7 14. e3 b6 15. Bd3 Bb7 16.
e4 Qd7 17. O-O Rfd8 18. Rfe1 cxd4 19. cxd4 Rac8 20. Rad1 Qc7 21. h4 Ng6 22. g3
Qc3 23. Qe3 e5 24. d5 Qc5 25. Qe2 Rc7 26. Nd2 Bc8 27. Nc4 b5 28. Ne3 a6 29. Rc1
Qd6 30. Rxc7 Qxc7 31. a4 bxa4 32. Bxa6 Bd7 33. Bb5 Ne7 34. Bxd7 Qxd7 35. Qa6 f5
36. exf5 Nxf5 37. Ng4 Qd6 38. Qxa4 Nd4 39. Nxe5 Qxd5 40. Qa1 f6 41. Qa7+ Kg8
42. Re4 Nf3+ 43. Nxf3 Qxe4 44. Qa2+ Kh8 45. Nh2 Rd1+ 46. Nf1 Qd3 47. Qa8+ Kg7
48. Qb7+ Kg6 49. Qg2 Re1 50. Qh3 h5 51. Qg2 Kf5 52. Qh3+ Ke5 53. Qg2 Kd4 54.
Qh3 f5 55. Qg2 Qe2 56. Qh3 Ke4 57. Qg2+ Kd4 58. Qh3 Qf3 59. Qg2 Qd3 60. Qh3 Kc3
61. Qg2 Kc2 62. Qc6+ Kb3 63. Qb7+ Ka2 64. Qa7+ Kb2 65. Qb6+ Kc1 66. Qc6+ Qc2
67. Qh6+ Kd1 68. Qd6+ Kc1 69. Qh6+ Kb1 70. Qb6+ Kc1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "do Carmo, Gabriel"]
[Black "Custodio, Leandro"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. c4 Nc6 2. Nc3 Nf6 3. Nf3 e5 4. e4 g6 5. g3 Bg7 6. Bg2 O-O 7. Rb1 a5 8. a3 d6
9. O-O Be6 10. d3 h6 11. b4 axb4 12. axb4 Qd7 ({RR} 12... Kh7 13. h3 Ne7 14.
Kh2 c6 15. b5 Nd7 16. bxc6 bxc6 17. Qc2 Qc7 18. Bd2 Ra3 19. Rb2 Rfa8 20. Rfb1
Nc5 21. Be3 Qa5 22. Bd2 Qc7 23. Be3 Qa5 24. Bd2 Qa7 25. Be3 Qa5 {1/2-1/2 (25)
Sher,M (2520)-Hansen,C (2580) Vejle 1994}) 13. Nd5 Ne8 14. Be3 f5 $146 ({RR} 
14... Ne7 15. Qd2 Kh7 16. d4 Nxd5 17. cxd5 Bh3 18. Bxh3 Qxh3 19. dxe5 dxe5 20.
Bc5 Nd6 21. Rfe1 Ra3 22. Qe2 Rfa8 23. b5 Rc3 24. Bb4 Nxb5 25. Qxb5 Rxf3 26. Qe2
Rf6 27. Be7 Rb6 28. Rxb6 cxb6 29. Qb5 {Atalik,E (2422)-Aydin,G (2202) Ankara
TUR 2022 1/2-1/2 (54)}) 15. Nh4 f4 16. Nxg6 fxe3 17. Nxf8 exf2+ 18. Rxf2 Bxf8
19. Qh5 Bg7 20. Rbf1 Ne7 21. Rf7 Bxd5 22. exd5 Kh8 23. Rxg7 Nxg7 24. Qxh6+ Kg8
25. Be4 Nef5 26. Qg6 Rf8 27. g4 Qf7 28. Bxf5 Qxg6 29. Bxg6 Rc8 30. h4 c6 31. h5
Ne8 32. h6 Nc7 33. Rf7 cxd5 34. Rg7+ Kh8 35. Bf5 dxc4 36. Bxc8 c3 37. Rxc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "do Nascimento, Maycon"]
[Black "Oliveira, Olavo Tadeu"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d3 g6 5. Bf4 ({RR} 5. h3 Bg7 6. Bd2 Nc6 7. Qc1
h6 8. Be2 e6 9. Nd1 d5 10. O-O dxe4 11. dxe4 Nxe4 12. Bf4 g5 13. Bh2 O-O 14.
Bd3 Nd6 15. c3 f5 16. Re1 f4 17. Qc2 Kh8 18. Nd2 Ne5 19. Be2 b6 {Fernandez,I 
(2260)-Kolev,A (2490) Spain 1994 0-1 (67)}) 5... Bg7 6. h4 $146 ({RR} 6. Be2
O-O 7. O-O Nc6 8. Qd2 Bd7 9. h3 Ne8 10. Bh6 Qc8 11. Bxg7 Nxg7 12. Nd5 f6 13. d4
e6 14. Nf4 e5 15. Bc4+ Kh8 16. dxe5 fxe5 17. Ne2 Nd4 18. Nfxd4 cxd4 19. Bd3 Ne6
20. c3 dxc3 {Moyseev,M-Pantev,T Sunny Beach 2008 0-1 (51)}) ({RR} 6. Bg3 O-O 7.
Be2 Nc6 8. O-O Bg4 9. Qd2 Bxf3 10. Bxf3 Rc8 11. Nd5 Nd4 12. c3 Nxf3+ 13. gxf3
Nxd5 14. exd5 e5 15. dxe6 fxe6 16. Rfe1 e5 17. Re3 Bh6 18. Qe2 Bxe3 19. Qxe3
Qf6 20. Re1 Rce8 {vishesh7779 (1845)-Rego,V (2226) lichess.org 2018 0-1 (68)})
6... O-O 7. Ng5 Nc6 8. Be2 Nd4 9. Qd2 Nxe2 10. Qxe2 a6 11. e5 dxe5 12. Bxe5 h5
13. O-O-O b5 14. d4 Qb6 15. d5 Rd8 16. Rd2 Bb7 17. Rhd1 e6 18. dxe6 fxe6 19. f3
Rxd2 20. Qxd2 Bd5 21. g3 Qc6 22. Qe2 b4 23. Qd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "7"]
[White "dos Anjos, Avner Augusto"]
[Black "Luz, Arthur Nader"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5
Qe7 9. Ne1 ({RR} 9. Bg5 h6 10. Bh4 c5 11. Ne1 a6 12. a3 b6 13. Rb1 Qe8 14. b4
Rb8 15. Nd3 Nh7 16. a4 Bf6 17. Bxf6 Nhxf6 18. Qc1 Kg7 19. f4 cxb4 20. Rxb4 a5
21. Rb1 Ba6 22. fxe5 dxe5 23. Nf2 Qe7 {Cvek,R (2340)-Movsesian,S (2630) Zlin
1997 0-1 (42)}) ({RR} 9. Bg5 h6 10. Bxf6 Nxf6 11. Qc2 Nh5 12. g3 f5 13. Nh4 Qg5
14. exf5 gxf5 15. Qd1 Nf6 16. b4 f4 17. Nb5 Rf7 18. c5 Bh3 19. cxd6 Bxf1 20.
Bxf1 fxg3 21. hxg3 Ng4 22. Nf3 Qh5 23. Bg2 Nxf2 {Ardila,O (1958)-Sanchez,R 
(1966) chess.com INT 2023 0-1}) 9... Nc5 $146 ({RR} 9... h6 10. Be3 c5 11. dxc6
bxc6 12. Nc2 Nc5 13. f3 Ne6 14. b4 Nf4 15. Qd2 Nxe2+ 16. Nxe2 Kh7 17. b5 Be6
18. Nb4 cxb5 19. cxb5 {1/2-1/2 (19) Hillmann,M (2067)-Armbrust,F (2280) Berlin
2005}) 10. f3 Nh5 11. Be3 a5 12. a3 Nf4 13. b4 axb4 14. axb4 Rxa1 15. Qxa1 Nb3
16. Qd1 Nd4 17. Nd3 Ndxe2+ 18. Nxe2 Nxd3 19. Qxd3 f5 20. Nc3 Qh4 21. Qd2 h6 22.
Qf2 Qe7 23. c5 fxe4 24. Nxe4 Bf5 25. Qd2 Bxe4 26. fxe4 Rxf1+ 27. Kxf1 Qh4 28.
cxd6 cxd6 29. Qc2 Kh7 30. h3 b5 31. Bf2 Qf4 32. Qe2 h5 33. Qe3 Bh6 34. Qxf4
exf4 35. Ke2 g5 36. e5 Bf8 37. exd6 Bxd6 38. Bc5 Be5 39. d6 Bf6 40. Bb6 Kg6 41.
d7 Kf5 42. d8=Q Bxd8 43. Bxd8 g4 44. hxg4+ hxg4 45. Kd3 Ke5 46. Bc7+ Kf5 47.
Kd4 g3 48. Kd5 f3 49. gxf3 g2 50. Bb6 Kf4 51. Kc6 Kxf3 52. Kxb5 Ke4 53. Kc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Almeida Jr, Alvaro"]
[Black "Barbosa, Evandro Amorim"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 Nf6 8.
f4 d6 9. Qf3 a6 ({RR} 9... Be7 10. Bd3 a6 11. Nd4 Nxd4 12. Bxd4 e5 13. Be3 b5
14. O-O O-O 15. Kh1 exf4 16. Bxf4 Be6 17. Nd5 Bxd5 18. exd5 Qb7 19. Rad1 Rae8
20. Bg5 Nd7 21. Qh3 g6 22. Bh6 Ne5 23. Qg3 Kh8 24. Bxf8 {Carrizo,L (2176)
-Andreev,K (2304) Montesilvano ITA 2023 1-0 (47)}) 10. Nd4 Be7 ({RR} 10... e5
11. Nf5 g6 12. Ng3 exf4 13. Qxf4 Ng4 14. Nd5 Bh6 15. Nf6+ Ke7 16. Nd5+ Ke8 17.
Nf6+ Ke7 18. Nd5+ Ke8 19. Nf6+ {1/2-1/2 (19) Jakovenko,D (2760)-Alekseev,E 
(2714) Jermuk 2009}) 11. g4 $146 ({RR} 11. O-O-O Nxd4 12. Rxd4 b5 13. Be2 O-O
14. e5 Ne8 15. Rhd1 d5 16. R4d2 Bd7 17. Bd3 b4 18. Ne2 Bb5 19. Nd4 Bxd3 20. Nc6
Qc7 21. Nxe7+ Qxe7 22. Rxd3 Nc7 23. f5 exf5 24. Qxf5 Qe6 25. Qf4 Rfe8 {Sarkar,
J (2352)-Francs,M (1971) Riga LAT 2022 1-0 (54)}) 11... Nxd4 12. Bxd4 e5 13. g5
exd4 14. gxf6 dxc3 15. fxe7 cxb2 16. Rb1 Qc7 17. Rxb2 Qxe7 18. Bd3 Qf6 19. Rb1
Qc3+ 20. Ke2 Qf6 21. Rb6 O-O 22. Rg1 Qe7 23. f5 f6 24. Bc4+ Kh8 25. Bd5 Rb8 26.
Kd1 Bd7 27. Qb3 Bb5 28. Rg3 h6 29. Rh3 Qe5 30. Qe3 Kh7 31. Qg3 Qd4+ 32. Kc1
Qa1+ 33. Kd2 Qd4+ 34. Kc1 Qa1+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Almeida, Tiago"]
[Black "Nascimento, Davi Araujo"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. Bg2 Nf6 5. Nf3 Nc6 6. O-O e6 7. d3 Be7 8. a3
O-O 9. b4 a6 10. Bb2 Bd7 11. Nbd2 Rc8 12. Qb3 $146 ({RR} 12. Nb3 b6 13. Qd2 Qc7
14. Rfc1 Rfd8 15. Nbd4 Qb7 16. h3 Nxd4 17. Bxd4 Ba4 18. Qg5 Ne8 19. Qe3 Nd6 20.
g4 Rxc1+ 21. Rxc1 Nc8 22. Nh2 Rd6 23. g5 Rc6 24. Re1 Nd6 25. Qf4 Rc7 26. Be5
Rd7 {Weh,P (1839)-Vinokur,M (1787) Germany 2005 1-0 (37)}) 12... Qb6 13. Rfc1
h6 14. e3 Rfd8 15. Ne5 Nxe5 16. Bxe5 Bc6 17. Qb2 Qb5 18. Bf1 a5 19. Rab1 axb4
20. axb4 Ra8 21. Bc7 Rdc8 22. Ba5 Be8 23. d4 Qd7 24. Bb6 Bd6 25. Bc5 Bc7 26. b5
b6 27. Bb4 Bd6 28. Bd3 Rxc1+ 29. Rxc1 Ra4 30. Bxd6 Qxd6 31. Rc8 g6 32. Qc2 Ra1+
33. Kg2 Kg7 34. Nf3 Qb4 35. Qc7 Ra2 36. Ne5 Qd2 37. Bc2 Ne4 38. Ng4 h5 39. Bxe4
dxe4 40. Qe5+ Kh7 41. Rxe8 g5 42. Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Andrade, Guilherme Souza"]
[Black "Paludo, Nicolas"]
[Result "1-0"]
[ECO "E00"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. a3 Bxd2+ ({RR} 4... Be7 5. e4 d5 6. e5 Nfd7
7. Ngf3 a5 8. cxd5 exd5 9. Nb1 c5 10. dxc5 Nxc5 11. Nc3 Be6 12. Bb5+ Nc6 13.
O-O O-O 14. Be3 Rc8 15. Rb1 Nd7 16. Nxd5 Ndxe5 17. Nxe7+ Qxe7 18. Nxe5 Nxe5 19.
Re1 {Nakamura,H (2753)-Ivanchuk,V (2765) Sao Paulo/Bilbao 2011 1/2-1/2}) 5.
Bxd2 ({RR} 5. Qxd2 a5 6. b3 O-O 7. e3 d6 8. Bd3 e5 9. Ne2 Nc6 10. Bb2 Bg4 11.
O-O Bxe2 12. Bxe2 exd4 13. exd4 d5 14. Rfe1 Qd7 15. Bf1 Rfe8 16. Rxe8+ Rxe8 17.
f3 Qe6 18. Rc1 h6 19. c5 Nh5 {Garriga Cazorla,P (2476)-Galstyan,D (2119) La
Nucia ESP 2023 1/2-1/2 (46)}) 5... O-O 6. Bg5 d5 $146 ({RR} 6... d6 7. e3 Nbd7
8. Ne2 h6 9. Bh4 b6 10. Nc3 Bb7 11. f3 d5 12. Be2 c5 13. O-O a6 14. dxc5 bxc5
15. Rc1 Qe7 16. Bf2 Rfd8 17. cxd5 exd5 18. Re1 Bc6 19. b4 c4 20. Qd4 Nf8 21.
Bh4 {Atalik,S (2483)-Nugumanov,B (2375) Senta SRB 2021 1-0 (45)}) 7. e3 h6 8.
Bh4 Nbd7 9. Nf3 Re8 10. Rc1 c6 11. Bd3 dxc4 12. Bxc4 Qa5+ 13. Qd2 Qxd2+ 14.
Nxd2 e5 15. dxe5 Rxe5 16. O-O Nb6 17. Bxf6 gxf6 18. Nf3 Nxc4 19. Rxc4 Rb5 20.
Rc2 Bf5 21. Rd2 Rd5 22. Rxd5 cxd5 23. Rc1 Rc8 24. Rxc8+ Bxc8 25. Kf1 b6 26. Ke1
Kf8 27. Kd2 Ke7 28. Kc3 Kd6 29. Kd4 a5 30. g3 a4 31. Ne1 Bf5 32. Ng2 Be4 33.
Nf4 f5 34. Ne2 f6 35. Nc3 Bf3 36. Nxa4 Kc6 37. Nc3 h5 38. h4 Kd6 39. b4 Kc6 40.
a4 Bg2 41. a5 bxa5 42. bxa5 Bf3 43. a6 Kb6 44. Nxd5+ Kxa6 45. Nxf6 Kb6 46. Ke5
Kc6 47. Kxf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Andrade, Roberto Costa"]
[Black "Carvalho, Vitor Augusto"]
[Result "1/2-1/2"]
[ECO "B49"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8.
Be3 Bb4 9. Na4 Be7 10. c4 Nxe4 11. Bf3 ({RR} 11. Qc2 f5 12. c5 Nxd4 13. Bxd4 b5
14. Nb6 Rb8 15. Bh5+ Kf8 16. Rac1 Bf6 17. Be3 Ke7 18. Rfd1 Rd8 19. f3 Bg5 20.
Bxg5+ Nxg5 21. Nd5+ exd5 22. Qxf5 g6 23. Qxg5+ Kf8 24. Bxg6 hxg6 25. Qf6+ Kg8 {
Apicella,M (2505)-Horvath,C (2500) Paris 1995 1-0}) ({RR} 11. Nxc6 bxc6 12. Qd4
Nf6 13. c5 e5 14. Qd2 Nd5 15. Bc4 Nxe3 16. fxe3 O-O 17. Rad1 Rb8 18. a3 a5 19.
Qd3 Qd8 20. Qe4 Bf6 21. Rd6 Be7 22. Qxe5 Bxd6 23. cxd6 Kh8 24. Qe7 f6 25. Qe4
Qe8 {Grochal,J (2241)-Klekowski,M (2477) chess.com INT 2023 0-1 (62)}) 11...
Nf6 12. Nxc6 bxc6 13. Bb6 $146 ({RR} 13. c5 O-O 14. Rc1 Rb8 15. g3 Nd5 16. Bd2
Bf6 17. b3 a5 18. Re1 Nb4 19. Be4 g6 20. a3 Nd5 21. Bh6 Bg7 22. Bxg7 Kxg7 23.
h4 h5 24. Nb2 Ba6 25. Nc4 Bxc4 26. bxc4 Nf6 27. Bf3 e5 {Leconte,M (2191)
-Navrotescu,A (2289) Monteux 2016 0-1 (36)}) 13... Qb8 14. Bd4 Qc7 15. Bb6 Qb8
16. Bd4 Qc7 17. c5 Bb7 18. Qe2 d6 19. cxd6 Bxd6 20. g3 O-O 21. Rac1 Nd7 22.
Rfd1 Rfd8 23. Be4 Rac8 24. Qh5 g6 25. Qg5 Be5 26. Nb6 h6 27. Qxh6 Nxb6 28. Bxg6
Rxd4 29. Bh7+ Kh8 30. Bg6+ Kg8 31. Bh7+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Assad, Leonardo"]
[Black "Teske, Luiz Fernando"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. cxd5 Nxd5 7. Nc3 c5 8.
Qb3 Nxc3 9. bxc3 Qc7 10. d4 Nc6 11. Bf4 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bh6
Re8 15. Bd5 Rb8 16. Rad1 Be6 17. c4 Bxd5 $146 ({RR} 17... b6 18. Qf3 Rbd8 19.
Bxe6 Rxe6 20. Kg2 Red6 21. e3 Qd7 22. Rxd6 Qxd6 23. Qb7 Qc7 24. Qf3 Qd6 25. Qb7
Qd7 26. Qe4 Bg7 27. Bxg7 Kxg7 28. h4 h5 29. Rc1 {1/2-1/2 (29) Dobrotka,M (2246)
-Palkovich,D (2240) Plovdiv 2010}) 18. Rxd5 Red8 19. Rfd1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Avelar, Flavio Henrique"]
[Black "Duailibi, Ricardo"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Be3 Na6
({RR} 8... Ne8 9. Nd2 f5 10. exf5 gxf5 11. f4 Qh4+ 12. g3 Qe7 13. O-O Nf6 14.
Qc2 e4 15. Nb3 Na6 16. Rad1 {1/2-1/2 (16) Danner,G (2369)-Stanec,N (2523)
Oberpullendorf 2002}) ({RR} 8... Bg4 9. Nd2 Bd7 10. b3 Na6 11. a3 h5 12. Rb1
Ng4 13. Bxg4 hxg4 14. f3 gxf3 15. Nxf3 f5 16. Bg5 Qe8 17. Qe2 Nc5 18. O-O fxe4
19. Nd2 e3 20. Qxe3 Bf5 21. Nce4 b6 22. h3 Qd7 23. Kh2 {Shevchuk,O (2093)
-Degenbaev,A (2242) chess.com INT 2023 0-1 (35)}) 9. Qd2 Ng4 10. h3 $146 ({RR} 
10. O-O-O Nxe3 11. Qxe3 Nc5 12. h4 f5 13. exf5 gxf5 14. Qg5 Bd7 15. Qxd8 Raxd8
16. Nd2 a4 17. Rdg1 e4 18. Ndb1 f4 19. Rf1 f3 20. gxf3 exf3 21. Bd1 Bh6+ 22.
Nd2 Nd3+ 23. Kc2 Bf5 24. Rhg1+ Kh8 {Neumann,M (1707)-Disterheft,D (1744) Bad
Homburg 2005 1/2-1/2 (41)}) 10... Nxe3 11. Qxe3 Nc5 12. Nd2 a4 13. g4 f5 14.
gxf5 gxf5 15. exf5 Bxf5 16. O-O-O e4 17. Rdg1 Qf6 18. f3 Kh8 19. fxe4 Bg6 20.
h4 a3 21. e5 Qf5 22. Rxg6 axb2+ 23. Kxb2 Bxe5 24. Bd1 Nd3+ 25. Kb3 Nc5+ 26. Kb2
Nd3+ 27. Kb3 Nc1+ 28. Kb2 Nxa2 29. Rg5 Nxc3 30. Qxe5+ dxe5 31. Rxf5 Nxd1+ 32.
Rxd1 Rxf5 33. Kc3 Ra3+ 34. Kb4 Rd3 35. c5 Rf4+ 36. Kb5 Rxd5 37. h5 Rfd4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Baeta, Marcio Netto"]
[Black "Bueno, Marcos Antonio"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bc4 O-O 6. e5 Ne8 7. Be3 ({RR} 7. Nf3
Bg4 8. Be3 a6 9. a4 c6 10. O-O Nc7 11. Qe1 b5 12. axb5 axb5 13. Rxa8 Nxa8 14.
Bb3 Bxf3 15. Rxf3 Kh8 16. Ne4 Nb6 17. Ng5 d5 18. Qh4 h6 19. f5 Kg8 20. fxg6 e6
21. gxf7+ Rxf7 {Elhalwagy,I (2044)-Abdel Aziz,A Cairo EGY 2023 1-0}) 7... e6 8.
Nf3 d5 9. Bd3 b6 $146 ({RR} 9... c5 10. dxc5 Nc6 11. Bb5 Ne7 12. O-O Nc7 13.
Nd4 Bd7 14. Bd3 Nc6 15. Nxc6 Bxc6 16. Bd4 a5 17. a3 Na6 18. Bxa6 bxa6 19. Qd2
a4 20. b3 Qd7 21. bxa4 Bxa4 22. Rfb1 Rfc8 23. Rb4 Bc6 24. Rab1 {Epure,C (2131)
-Ristic,M Herceg Novi 2005 1-0 (40)}) 10. Qe2 a5 11. h4 Ba6 12. h5 Bxd3 13.
Qxd3 Na6 14. hxg6 fxg6 15. Ng5 Nb4 16. Qd2 Qd7 17. Nxh7 Rf7 18. Ng5 Rf5 19. g4
Rxg5 20. fxg5 Rc8 21. O-O-O c5 22. Rdf1 Bxe5 23. dxe5 d4 24. Ne4 Nd5 25. Nf6+
Nexf6 26. gxf6 Nxe3 27. Qh2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Bandeira, Tarciano"]
[Black "Deves, Rafael"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ngf3 Qb6 8. Nb3
cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qb4 12. Bd3 Qxd2+ 13. Kxd2 Nb4 14. Be2
$146 ({RR} 14. Bb5 a6 15. a3 Nc6 16. Bd3 O-O 17. Rac1 f6 18. Ke3 fxe5 19. fxe5
Ne7 20. g4 b5 21. Ng5 Nb6 22. Nxh7 Re8 23. Nc5 Nc4+ 24. Bxc4 dxc4 25. Ng5 Nd5+
26. Ke4 Nc7 27. h4 Ra7 28. h5 Bb7+ {Kolinski,D (1770)-Konieczny,J Kolobrzeg
2011 1-0 (35)}) 14... b6 15. a3 Nc6 16. Rac1 Bb7 17. Rc2 Rc8 18. Rhc1 h6 19.
Bb5 Ndb8 20. g4 h5 21. h3 hxg4 22. hxg4 Rh3 23. Ke2 Rg3 24. g5 Rg2+ 25. Ke3
Rxc2 26. Rxc2 g6 27. Rh2 Kf8 28. Nbd2 Ne7 29. Bd3 Ba6 30. Nb1 Bxd3 31. Kxd3 Kg7
32. Nc3 a6 33. Nd1 Nf5 34. Nf2 Rc4 35. Ng4 Nc6 36. Nf6 Ncxd4 37. Rh7+ Kf8 38.
Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Bittencourt, Jorge"]
[Black "di Berardino, Diego"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "20"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 b6 7. Nc3 Bb7 8.
Qf4 ({RR} 8. g3 O-O 9. Bg2 Ne4 10. Nxe4 Bxe4 11. O-O a4 12. Qe3 Bb7 13. Qd3 f5
14. Ne5 Bxg2 15. Kxg2 d6 16. Nf3 Qf6 17. e4 Nc6 18. Rae1 Ra5 19. d5 fxe4 20.
Qxe4 exd5 21. cxd5 Ne7 22. Rd1 Qf5 {So,W (2822)-Carlsen,M (2838) chess.com INT
2017 0-1 (38)}) 8... d5 9. cxd5 ({RR} 9. Nb5 Na6 10. e3 O-O 11. Be2 dxc4 12.
Bxc4 Qe7 13. O-O Rfd8 14. Rfd1 c5 15. Rac1 cxd4 16. Nbxd4 Rdc8 17. Ne5 Rc5 18.
Nb3 Rc7 19. Bxa6 Rxc1 20. Rxc1 Bxa6 21. Nc6 Qd7 22. Nb8 Qd5 23. Qc7 Kh8 {
Baenziger,F (2413)-Tudor,H (2201) Vrnjacka Banja SRB 2023 1-0 (43)}) 9... exd5
$146 ({RR} 9... Nxd5 10. Nxd5 Bxd5 11. e4 Bb7 12. Rd1 O-O 13. Bd3 Nd7 14. O-O
Rc8 15. Rfe1 Qe7 16. e5 h6 17. Be4 c6 18. Nd2 Ba8 19. Nc4 Rb8 20. Re3 Kh8 21.
Bf3 a4 22. Nd6 Kg8 23. Bh5 f6 24. Qg4 {Szeberenyi,A (2320)-Sahithi Varshini M 
(2270) Budapest HUN 2022 1/2-1/2 (66)}) 10. Qe5+ Kf8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Boabaid, Jorge Alberto"]
[Black "Costa, Kerginaldo"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. a3 Bb7 8. Be3
Nf6 9. f3 Be7 10. Qd3 O-O 11. O-O d6 12. f4 Nbd7 13. Nb3 $146 ({RR} 13. Bf3 Nc5
14. Qe2 Nfxe4 15. Nxe4 Nxe4 16. Kh1 Rac8 17. Rac1 Bf6 18. Rfd1 Nc5 19. Rd2 Rfd8
20. Rdd1 Na4 21. Bxb7 Qxb7 22. c3 Nc5 23. Nf3 Nb3 24. Rc2 Qc7 25. Qf2 Qe7 26.
Qe2 Rc4 27. Nd2 Nxd2 {Hoang Le My,A-Ho,T Hue 2004 0-1 (39)}) 13... Rac8 14.
Rad1 Nb6 15. Bc1 Nc4 16. Qf3 Nxa3 17. Bd3 Nxc2 18. Qh3 Nb4 19. Bb1 g6 20. f5 d5
21. e5 exf5 22. exf6 Bxf6 23. Rxf5 Qb6+ 24. Kh1 d4 25. Ne4 Bg7 26. Nbc5 gxf5
27. Nf6+ Qxf6 28. Nxb7 d3 29. Bd2 Qxb2 30. Bxb4 Qxb4 31. Qxf5 Rfe8 32. Rf1 Rc7
33. Bxd3 Rxb7 34. Qxh7+ Kf8 35. Qf5 Qe7 36. h3 Qe5 37. Qf3 Rbe7 38. h4 Qe3 39.
Qf5 Qg3 40. Qh7 Re1 41. Qh5 Rxf1+ 42. Bxf1 Qf2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Bocca, Edson Ricardo"]
[Black "Medeiros, Fabricio"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bg5 Be7 6. Be2 O-O 7. O-O h6 ({RR
} 7... Bg4 8. c3 c6 9. Nbd2 Nbd7 10. Re1 Re8 {1/2-1/2 (10) Malisauskas,V (2530)
-Saltaev,M (2495) Volgograd 1997}) 8. Bh4 ({RR} 8. Bxf6 Bxf6 9. Ne5 c6 10. Kh1
Re8 11. f4 Bf5 12. Bd3 Bxd3 13. Qxd3 Na6 14. c3 Re7 15. Nd2 Re8 16. Qh3 Re6 17.
Qh5 Qc7 18. Ndf3 Rf8 19. g4 Bxe5 20. dxe5 f5 21. gxf5 Ree8 22. Rg1 Kh8 {
Ulus,A-Muti,E (1243) Adapazari TUR 2022 1-0}) 8... Ne4 $146 ({RR} 8... Bf5 9.
Re1 Nbd7 10. Nbd2 Re8 11. Ne5 Ne4 12. Bxe7 Qxe7 13. Nxe4 Bxe4 14. Nxd7 Qxd7 15.
Bd3 Qf5 {1/2-1/2 (15) Emming,B (1757)-Kadenbach,W (1765) Muensterland 2005}) 9.
Bxe7 Qxe7 10. Nfd2 c5 11. dxc5 Qxc5 12. Bf3 Bf5 13. c3 Nc6 14. Nb3 Qd6 15. Nd4
Bh7 16. Nxc6 Qxc6 17. Nd2 f5 18. Nb3 Rad8 19. Nd4 Qf6 20. Qb3 Nd2 21. Qxb7 Nxf1
22. Kxf1 Qd6 23. Re1 Rf7 24. Qb5 a6 25. Re8+ Rxe8 26. Qxe8+ Rf8 27. Qa4 Qxh2
28. Bxd5+ Kh8 29. Ne6 Qh1+ 30. Ke2 Qh5+ 31. f3 Re8 32. Qd4 Qg5 33. Kf2 Qf6 34.
Qxf6 gxf6 35. Nc7 Rd8 36. c4 Bg8 37. Kg3 Bxd5 38. Nxd5 Kg7 39. Kf4 Re8 40. Ne3
Re6 41. b4 Re8 42. Nxf5+ Kg6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Borges, Ivoney"]
[Black "Fedrizzi, Roberto"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "135"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d3 d6 4. Nbd2 Nc6 5. g3 Nf6 6. Bg2 Be7 7. O-O O-O 8. Re1
e5 ({RR} 8... Bd7 9. Nc4 b5 10. Nxd6 Bxd6 11. e5 Be7 12. exf6 Bxf6 13. h4 Rc8
14. Ng5 h6 15. Ne4 Be7 16. Be3 Nb4 17. Nc3 Bc6 18. Bxc6 Nxc6 19. Nxb5 Qb6 20.
a4 a6 21. Na3 Qxb2 22. Nc4 Qf6 23. Bf4 {Smirin,I (2630)-Laznicka,V (2578)
Plovdiv 2008 0-1 (63)}) 9. Nf1 Bd7 ({RR} 9... Nd4 10. c3 Nxf3+ 11. Bxf3 h6 12.
Ne3 Be6 13. a4 Re8 14. a5 Bf8 15. d4 Qc7 16. d5 Bd7 17. h4 b6 18. g4 Nh7 19.
Nf5 Bxf5 20. gxf5 Be7 21. h5 Bg5 22. Be2 bxa5 23. Bb5 Rf8 24. Qa4 {Harsh,S 
(2280)-Gabdrakhmanov,A (2319) chess.com INT 2022 0-1 (51)}) 10. h4 Qc8 11. Bg5
$146 ({RR} 11. N1h2 Ne8 12. Bg5 f6 13. Be3 f5 14. exf5 Bxf5 15. Qd2 Bh3 16. Bh1
Nf6 17. Ng5 Bd7 18. Ne4 Ng4 19. Nxg4 Bxg4 20. Bg5 Qc7 21. Bxe7 Qxe7 22. Qg5 Qd7
23. Qe3 Nd4 24. Rec1 Ne2+ 25. Kh2 Nxc1 {Lemes,C-Silva,C (1791) Aracaju 2014
0-1 (37)}) 11... Ng4 12. N1h2 h6 13. Bd2 Nxh2 14. Nxh2 f5 15. exf5 Bxf5 16. g4
Bh7 17. g5 hxg5 18. hxg5 Qf5 19. f4 Bg6 20. Bd5+ Bf7 21. Be4 Qh3 22. Re3 Qh4
23. g6 Be6 24. f5 d5 25. Kg2 Rxf5 26. Bxf5 Bxf5 27. Rg3 e4 28. Nf1 exd3 29.
cxd3 Rf8 30. Qe2 d4 31. Rf3 Bxg6 32. Rxf8+ Bxf8 33. Ng3 Bf7 34. Rh1 Bd5+ 35.
Ne4 Qe7 36. Qg4 Ne5 37. Qh5 Qd6 38. Qh8+ Kf7 39. Rf1+ Ke8 40. Qh3 Qg6+ 41. Kh2
Ng4+ 42. Kh1 Bd6 43. Bf4 Bxe4+ 44. dxe4 Qxe4+ 45. Qg2 Qxg2+ 46. Kxg2 Bxf4 47.
Rxf4 Ne3+ 48. Kf3 Nd1 49. b3 Nc3 50. Rg4 Kd8 51. a4 Kc7 52. Rxg7+ Kb6 53. Kf2
Na2 54. Ke1 Nc1 55. Rg3 d3 56. Kd1 Nxb3 57. Rxd3 Nd4 58. Rc3 a6 59. Kd2 Kc6 60.
Rh3 b5 61. Rh6+ Kb7 62. axb5 axb5 63. Kc3 Nc6 64. Kb3 Kb6 65. Kc3 c4 66. Rg6
Kc5 67. Rg5+ Kb6 68. Rg6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Braga, Marcelo Melem"]
[Black "Cruz, Natan"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 dxc4 ({RR} 5... Ne4 6. Nxe4
dxe4 7. Nd2 Qa5 8. Be3 e5 9. Qb3 f5 10. dxe5 Qxe5 11. f4 Qf6 12. O-O-O Nc5 13.
Qc2 h5 14. Nb3 Ne6 15. c5 Be7 16. Bd4 Nxd4 17. Nxd4 Be6 18. e3 O-O-O 19. b4 Bd5
20. Qa4 {Boytsun,O (2281)-Pinter,G (2366) Sunningdale 2007 0-1 (41)}) ({RR} 
5... h6 6. Bh4 g5 7. Bg3 Nh5 8. cxd5 Nxg3 9. hxg3 cxd5 10. Nxg5 e6 11. Nf3 Bb4
12. e3 Qa5 13. Qd2 Nf6 14. Bd3 Bd7 15. a3 Be7 16. Ne5 a6 17. Ne2 Qxd2+ 18. Kxd2
Rc8 19. Rac1 Bd6 20. f3 {Alcazar Blanco,D (1495)-Julcarima Quispe,E (1123)
Auditorio Colegio Saco Oliver 2023 1-0 (63)}) 6. Bd2 $146 ({RR} 6. e3 b5 7. a4
b4 8. Na2 Qa5 9. Bxf6 exf6 10. Bxc4 Nb6 11. Bb3 Ba6 12. Nc1 c5 13. dxc5 Bxc5
14. Ne2 Rd8 15. Nfd4 Bxd4 16. exd4 Qh5 17. a5 O-O 18. Be6 Rfe8 19. g4 Qb5 20.
O-O Qxe2 {Crockett,S-Spencer,E Chester/ Cheshire (Town Hall) 1934 0-1}) 6... e6
7. a3 b5 8. e3 Bb7 9. Be2 a6 10. O-O c5 11. b3 cxb3 12. Qxb3 Be7 13. dxc5 Nxc5
14. Qc2 O-O 15. Rfd1 Rc8 16. Qa2 Nd5 17. Be1 Qb6 18. Ne5 Bf6 19. f4 Bxe5 20.
fxe5 Nxe3 21. Rd6 Qc7 22. Bf3 Bxf3 23. gxf3 Nc4 24. Bg3 Nxd6 25. exd6 Qc6 26.
Kg2 f5 27. Rd1 Rcd8 28. Ne2 Kh8 29. Rc1 Rxd6 30. Bxd6 Qxd6 31. Qc2 Na4 32. Qc8
h6 33. Qc6 Qe5 34. Re1 Rf6 35. Qe8+ Kh7 36. Qh5 Nc3 37. f4 Qe4+ 38. Qf3 Qxf3+
39. Kxf3 Nxe2 40. Rxe2 g5 41. h3 Kg6 42. Re5 Rf7 43. Rxe6+ Rf6 44. Re5 Rb6 45.
Re8 a5 46. Re5 b4 47. Rxa5 b3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Brito, Luismar"]
[Black "Felicio, Leonardo"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "165"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 O-O 8.
Be2 d6 9. O-O Ng4 10. Bxg4 Bxg4 11. f3 ({RR} 11. Nxc6) 11... Bd7 12. Qd2 ({RR} 
12. Rc1 Rc8 13. b3 Re8 14. Qd2 Qa5 15. Kh1 a6 16. Nxc6 Bxc6 17. Bd4 Bxd4 18.
Qxd4 b5 19. f4 bxc4 20. bxc4 Qc5 21. Qd3 Ba8 22. Nd5 Bxd5 23. exd5 e6 24. dxe6
Rxe6 25. f5 Re3 26. Qd2 Qe5 {Neiksans,A (2589)-Kononenko,D (2251) chess.com
INT 2023 1-0 (66)}) 12... Bxd4 $146 ({RR} 12... Re8 13. Rac1 Ne5 14. b3 a5 15.
a4 Qb6 16. Nd5 Qd8 17. Nb5 Bxb5 18. cxb5 Nd7 19. Nc7 Nc5 20. Nxe8 Nxb3 21. Qd5
Nxc1 22. Rxc1 Qxe8 23. Qxb7 Rb8 24. Qc7 Qd8 25. b6 Qxc7 26. Rxc7 Bf8 27. b7 {
Andrade,L (2183)-Saavedra Rionda,V (2205) Mondariz 1999 1-0}) 13. Bxd4 Nxd4 14.
Qxd4 Bc6 15. b4 b6 16. b5 Bb7 17. Rfc1 Rc8 18. Nd1 Qc7 19. Ne3 Qc5 20. Qd2 f5
21. exf5 Rxf5 22. Qf2 Re5 23. Re1 d5 24. Nxd5 Rxe1+ 25. Rxe1 Bxd5 26. cxd5 Qxd5
27. a4 e5 28. Qg3 Qd4+ 29. Kh1 Rc5 30. h3 Qxa4 31. Re4 Qa1+ 32. Re1 Rc1 33.
Rxc1 Qxc1+ 34. Kh2 Qa3 35. Qg5 Qa4 36. Qxe5 Qa2 37. Kg3 Qf7 38. h4 h5 39. f4
Qb3+ 40. Kh2 Qf7 41. Kg1 Qd7 42. Qg5 Kf7 43. Kh2 Qd3 44. Qe5 Qd7 45. Qe2 Qd5
46. g3 Kf6 47. Kg1 Qc5+ 48. Kf1 Qc1+ 49. Kg2 Qc3 50. Qa2 Qd4 51. Qb3 Qe4+ 52.
Kf2 Qd4+ 53. Kf3 Qd7 54. Qc3+ Kf7 55. Qc4+ Kf6 56. Qc3+ Kf7 57. Qe5 Qd3+ 58.
Kg2 Qd2+ 59. Kf1 Qd1+ 60. Kf2 Qd2+ 61. Qe2 Qxe2+ 62. Kxe2 Ke6 63. Ke3 Kf6 64.
Kf2 Ke6 65. Kf3 Kf5 66. g4+ hxg4+ 67. Kg3 Ke6 68. Kxg4 Kf6 69. Kg3 Ke6 70. Kf2
Kf6 71. Ke3 Kf5 72. Kf3 Ke6 73. Ke4 Kf6 74. f5 gxf5+ 75. Kf4 Kg6 76. h5+ Kxh5
77. Kxf5 Kh6 78. Ke6 Kg6 79. Kd6 Kf5 80. Kc6 Ke5 81. Kb7 a5 82. bxa6 b5 83. a7
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Brito, Vicente"]
[Black "Oliveira, Aquiles"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 e6 4. e3 Bb4 5. Bd3 c5 6. dxc5 Nbd7 7. Nf3 Qa5 ({RR
} 7... Nxc5 8. O-O Bxc3 9. bxc3 O-O 10. Be2 b6 11. c4 Bb7 12. Qd4 Qe7 13. cxd5
Nxd5 14. Bg3 Rfd8 15. c4 Nb4 16. Qb2 Nbd3 17. Qa3 Rd7 18. Nd4 e5 19. Bxd3 exd4
20. Bf5 Rdd8 21. exd4 Rxd4 22. Rae1 {Naroditsky,D (2616)-Xiong,J (2672) chess.
com INT 2019 1/2-1/2 (32)}) 8. O-O Bxc3 $146 ({RR} 8... a6 9. Ne2 Bxc5 10. c3
Qb6 11. Qc2 O-O 12. a4 Re8 13. a5 Qd8 14. Ne5 h6 15. h3 Nxe5 16. Bxe5 Bd6 17.
Bxd6 Qxd6 18. Ng3 Bd7 19. e4 Bc6 20. Rfe1 Qf4 21. Re3 dxe4 22. Nxe4 Nd5 23. Rf3
{Bergerhoff,A (1992)-Cupid,K (2186) Brno CZE 2023 0-1 (40)}) 9. bxc3 Qxc3 10.
Bd6 Nxc5 11. Bb5+ Bd7 12. Rb1 Bxb5 13. Rxb5 Nfe4 14. Bxc5 Nxc5 15. Qd4 Qxd4 16.
exd4 Nd7 17. Rxb7 f6 18. Rfb1 Ke7 19. Kf1 Rhb8 20. Ke2 Kd6 21. Ne1 Rxb7 22.
Rxb7 Kc6 23. Rb3 Rc8 24. Rh3 Nf8 25. Ra3 Rc7 26. Nd3 Kd6 27. Nc5 e5 28. c3 g6
29. Kd2 Nd7 30. Nxd7 Kxd7 31. Ra5 Kd6 32. Ra6+ Ke7 33. Ra5 Rd7 34. Ra6 e4 35.
h4 f5 36. g3 Kf7 37. Ke3 Kg7 38. Kf4 Rc7 39. Ra3 Kf6 40. g4 fxg4 41. Kxg4 h5+
42. Kf4 Rc6 43. f3 exf3 44. Kxf3 Kf5 45. Rb3 a5 46. Kg3 a4 47. Ra3 Rc4 48. Kf3
g5 49. hxg5 Kxg5 50. Kg3 h4+ 51. Kh3 Kh5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cabral, Denrick"]
[Black "Pironti, Francisco"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "115"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 g6 5. f4 Bg7 6. Nf3 d6 7. O-O Nh6 8. fxe5 (
{RR} 8. d3 O-O 9. Qd2 Nd4 10. Nc3 Rb8 11. a4 Bg4 12. Nxd4 cxd4 13. Nd5 Be6 14.
Ba3 Re8 15. h3 f5 16. fxe5 dxe5 17. exf5 Nxf5 18. Rae1 Bxd5 19. Bxd5+ Qxd5 {
0-1 (19) Dobre,C (2271)-Samunenkov,I (2488) chess.com INT 2023}) 8... O-O $146
({RR} 8... Nxe5 9. Nxe5 dxe5 10. Bd5 O-O 11. Na3 Kh8 12. Qe1 Qc7 13. Qh4 Bd7
14. Nc4 Rae8 15. a4 b6 16. Rae1 a6 17. h3 b5 18. axb5 axb5 19. Ne3 f5 20. g4 f4
21. Ng2 c4 22. bxc4 bxc4 23. Bc3 {Segarra,R (2311)-Pascua,H (2386) Manila 2013
0-1 (48)}) 9. d4 cxd4 10. exd6 Qxd6 11. Ba3 Qf4 12. Bxf8 Bxf8 13. Qd2 Qc7 14.
c3 Ng4 15. cxd4 Bh6 16. Qd3 Be3+ 17. Kh1 Nxd4 18. g3 Nxf3 19. Rxf3 Nf2+ 20.
Rxf2 Bxf2 21. Nc3 Bg4 22. Rf1 Qc5 23. Kg2 Bd4 24. Rxf7 Kh8 25. h3 Bc8 26. Rf8+
Kg7 27. Rf7+ Kh8 28. Nb5 Bxh3+ 29. Kxh3 Rd8 30. Nxd4 Rxd4 31. Rf8+ Kg7 32. Rg8+
Kh6 33. Qe3+ g5 34. Rd8 Rxc4 35. Qxc5 Rxc5 36. Rd7 Rb5 37. Kg4 Kg6 38. Rd6+ Kg7
39. Kh5 Rb4 40. Kxg5 Rxe4 41. Rd7+ Kg8 42. Rxb7 Re6 43. Rxa7 Rg6+ 44. Kf4 Rf6+
45. Ke4 Rg6 46. Kf3 Rf6+ 47. Kg2 Rb6 48. g4 Kh8 49. Kf3 h6 50. Kf4 Rf6+ 51. Ke5
Rg6 52. Ra4 Rg5+ 53. Kf6 Kh7 54. Rf4 Rg6+ 55. Ke5 Rg5+ 56. Kd4 Rb5 57. Kc4 Rb8
58. b4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Campelo, Danilo"]
[Black "Sega, Carlos Alberto"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3
Na5 9. c3 Nxb3 10. axb3 Bb7 11. d3 O-O 12. Nbd2 Nd7 13. g4 d5 14. Nf1 dxe4 15.
dxe4 Nc5 16. Qxd8 $146 ({RR} 16. Qc2 Qd3 17. Qxd3 Nxd3 18. Re2 Bc5 19. Be3 Bxe3
20. Rxe3 Rfd8 21. Rb1 f6 22. Ng3 Nf4 23. Kh2 Rd7 24. g5 Rad8 25. gxf6 gxf6 26.
Rg1 Rd1 27. Ne1 Kf8 28. Nf1 Rb1 29. Reg3 Ng6 30. Nd3 Bxe4 {Kurenkov,N (2195)
-Zudov,O (2235) Moscow 1997 0-1 (57)}) 16... Rfxd8 17. Nxe5 Nxb3 18. Rb1 Nxc1
19. Rbxc1 Bg5 20. Rc2 Re8 21. Nf3 Rxe4 22. Ra1 Bf4 23. Nd4 Rae8 24. f3 R4e7 25.
b4 g6 26. Kf2 Bd6 27. Nd2 c5 28. bxc5 Bxc5 29. N2b3 Bb6 30. Raa2 Re3 31. Kg2
Rc8 32. Na5 Bd5 33. c4 bxc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cardoso, Lucas do Valle"]
[Black "Silva, Guilherme H"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. O-O Be7 8.
Be3 O-O 9. f4 d6 10. Qf3 b5 11. Rae1 ({RR} 11. a3 Bb7 12. g4 d5 13. e5 Nfd7 14.
g5 g6 15. Qg4 Nc5 16. Rf3 Nbd7 17. Rh3 Rfc8 18. Rf1 Nf8 19. Rh6 Ne4 20. Bxe4
dxe4 21. Nce2 Rd8 22. c3 Rac8 23. h4 Qc4 24. Rf2 Qd3 25. Qg3 a5 {Gosh,C (2026)
-Bolanos Lopez,J (2021) chess.com INT 2023 1-0 (36)}) 11... Bb7 12. Kh1 Nbd7
13. a3 Nb6 $146 ({RR} 13... Rfd8 14. Qg3 Rac8 15. Nb3 Nc5 16. Nxc5 dxc5 17. e5
Nd5 18. Nxd5 Bxd5 19. f5 exf5 20. Bxf5 Be6 21. Bxe6 fxe6 22. Qg4 Qc6 23. Bh6 g6
24. Qf4 Qe8 25. Rf3 Rd4 26. Qe3 Rcd8 27. Ref1 Rd1 28. Qe2 {Pinter,G (2150)
-Jianu,V (2145) Hungary 1997 0-1 (52)}) 14. Qh3 g6 15. Bc1 d5 16. e5 Ne4 17.
Nxe4 dxe4 18. Bxe4 Bxe4 19. Rxe4 Nc4 20. f5 exf5 21. Nxf5 Nxe5 22. Bf4 f6 23.
Nd4 Qc4 24. Rfe1 Rfd8 25. b3 Qc8 26. Bxe5 fxe5 27. Ne6 Rd2 28. Rxe5 Bxa3 29.
Qf3 Rb8 30. Ng5 Qd7 31. Re7 Qd5 32. Re8+ Rxe8 33. Rxe8+ Kg7 34. Ne6+ Kh6 35.
Qh3+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cardoso, Marcio"]
[Black "Santos, Marcus Vinicius"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 Nf6 5. O-O O-O 6. c4 Bg4 7. Nc3 Nc6 8. Be3
Nd7 9. Be2 Bxf3 10. Bxf3 e5 11. d5 Nd4 12. g3 $146 ({RR} 12. Be2 c5 13. Bd3 f5
14. f3 f4 15. Bf2 h5 16. h3 g5 17. Nb5 Rf6 18. Be2 Rg6 19. g4 fxg3 20. Bxg3 a6
21. Nc3 Nf6 22. Kg2 Qd7 23. Qd3 Bh6 24. Nd1 g4 25. fxg4 hxg4 26. Bxg4 Nxg4 {
Zheng,R (1986)-Cherniaev,A (2421) Quebec CAN 2018 0-1 (38)}) 12... Nxf3+ 13.
Qxf3 f5 14. exf5 gxf5 15. Rad1 e4 16. Qe2 Ne5 17. Kg2 Nf3 18. Nb5 Qd7 19. Nd4
f4 20. Ne6 fxe3 21. Nxf8 Rxf8 22. Qxe3 Qg4 23. h3 Qg6 24. b4 b6 25. c5 Bh6 26.
Qc3 e3 27. Rd4 e2 28. Rh1 Bg7 29. Qxf3 Rxf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Carmo, Jose Arlindo"]
[Black "Farias, Igor"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. Be3 Be6 10. f4 b5 11. f5 ({RR} 11. Nd5 Nbd7 12. Nxe7+ Qxe7 13. Bf3 exf4
14. Bxf4 Ne5 15. h3 Bxb3 16. axb3 Nxf3+ 17. gxf3 Rfd8 18. Rf2 Nh5 19. Bh2 d5
20. f4 Qh4 21. Qg4 Qxg4+ 22. hxg4 Nf6 23. exd5 Nxg4 24. Rd2 Rd6 25. c4 Rc8 {
Carmo,J (1650)-Cabral,D (1927) Cuiaba BRA 2021 0-1 (57)}) 11... Bc4 ({RR} 11...
Bd7 12. Kh1 Bc6 13. Bf3 Nbd7 14. a3 Rc8 15. Qe2 Ba8 16. Bg5 h6 17. Bh4 Nb6 18.
Nd2 Nfd7 19. Bf2 Bg5 20. Rfd1 Nf6 21. Rab1 Qc7 22. Nf1 Nfd7 23. h4 Be7 24. Ne3
Nf6 25. g4 Nh7 26. Rg1 {Smirin,I (2659)-Anand,V (2779) Rishon Le Ziyyon 2006
0-1 (48)}) ({RR} 11... Bc8 12. a3 Bb7 13. Bf3 Nbd7 14. g4 Rc8 15. g5 Rxc3 16.
bxc3 Nxe4 17. Qd3 d5 18. Bxe4 dxe4 19. Qd2 Nb6 20. Qxd8 Bxd8 21. Na5 Ba8 22.
Bc5 Re8 23. f6 gxf6 24. gxf6 Nd7 25. Nb3 Nxc5 26. Nxc5 {Gosh,C (2026)-Firouzja,
A (2777) chess.com INT 2023 0-1 (41)}) 12. Bd3 $146 ({RR} 12. Bxc4 bxc4 13. Nd2
d5 14. Nxd5 Nxd5 15. exd5 Qxd5 16. Qg4 f6 17. c3 Rc8 18. Rad1 Qf7 19. Ne4 Bf8
20. Rd2 Kh8 21. Rfd1 Nc6 22. Rd7 Qg8 23. Bc5 Rd8 24. Bxf8 Qxf8 25. Qe2 Rxd7 26.
Rxd7 Rc8 {Newey,R (1690)-Naroditsky,A (2052) San Francisco 2009 1-0 (31)})
12... Qc7 13. Qe2 d5 14. Nxd5 Bxd5 15. exd5 e4 16. Bf4 exd3 17. Qxd3 Bd6 18.
Qd2 Nbd7 19. Rac1 Nb6 20. Bxd6 Qxd6 21. Qd4 Rac8 22. Rf3 Rc4 23. Qe3 Nbxd5 24.
Qg5 Nf4 25. Kh1 Ne4 26. Qh4 Ne2 27. Rd3 N4g3+ 28. hxg3 Rxh4+ 29. gxh4 Qf4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Carrico, Victor Hugo"]
[Black "Mariano, Marceley M"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c4 e6 4. Be2 d5 ({RR} 4... Nge7 5. O-O g6 6. d4 cxd4 7.
Nxd4 Bg7 8. Be3 O-O 9. Nc3 d5 10. exd5 exd5 11. cxd5 Nxd5 12. Nxd5 Nxd4 13. Bc4
Be6 14. Bxd4 Bxd5 15. Bxg7 Bxc4 16. Bxf8 Bxf1 17. Bd6 Qf6 18. Bb4 Bb5 19. Bc3 {
Yu,Y (2725)-Bai,J (2537) Shenzhen 2016 1/2-1/2 (54)}) 5. cxd5 ({RR} 5. exd5
exd5 6. d4 dxc4 7. d5 Nb4 8. Bxc4 Nf6 9. Nc3 Bd6 10. O-O O-O 11. a3 Na6 12.
Bxa6 bxa6 13. Bg5 h6 14. Bxf6 Qxf6 15. Ne4 Qf4 16. Nxd6 Qxd6 17. Qd3 Bb7 18.
Rfd1 Rfd8 19. Rac1 Rac8 {Mihailidis,A (2198)-Rozhkov,V (2206) chess.com INT
2022 1-0 (49)}) 5... exd5 6. Nc3 $146 ({RR} 6. exd5 Qxd5 7. Nc3 Qd8 8. O-O Nf6
9. Bb5 Be7 10. Ne5 Bd7 11. Nxc6 bxc6 12. Bc4 O-O 13. Qf3 Qc7 14. h3 Bd6 15. d3
Rae8 16. Be3 Be6 17. Rac1 Bxc4 18. dxc4 Re6 19. Rfd1 Rfe8 20. Rd2 Qe7 {
Dorfanis,I (2186)-Papakonstantinou,D (2138) Thessaloniki 2015 1-0 (35)}) 6...
d4 7. Nd5 Be6 8. Qb3 Rb8 9. O-O a6 10. d3 Nge7 11. Bf4 Nxd5 12. Bxb8 Nf4 13.
Qc2 Nxe2+ 14. Qxe2 Qxb8 15. Ng5 Qc8 16. f4 Bg4 17. Qf2 h6 18. Nf3 Be7 19. f5
Bxf3 20. gxf3 Bg5 21. f4 Be7 22. Kh1 g5 23. fxg6 fxg6 24. Qg3 Qe6 25. f5 gxf5
26. Rxf5 Rg8 27. Qh3 Qg6 28. Raf1 Qg4 29. Qxg4 Rxg4 30. Rf7 Ne5 31. Rh7 Rg6 32.
Rh8+ Kd7 33. Rb8 Rb6 34. b3 Nxd3 35. Rf7 Ne5 36. Rf5 Bd6 37. Rh8 d3 38. Rh7+
Kc6 39. Rxh6 d2 40. Rf1 Rb4 41. Rd1 Rd4 42. Kg1 Rxe4 43. Kf1 Ng4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Carvalho, Amauri"]
[Black "Marquezini, Paulo E"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. b3 e5 2. Bb2 Nc6 3. e3 Bb4 4. Bb5 Nge7 5. Ne2 O-O 6. O-O d6 7. c3 $146 ({RR
} 7. Bxc6 Nxc6 8. d4 Qg5 9. Nd2 Bh3 10. Ng3 Bg4 11. Nf3 Qg6 12. h3 Bxf3 13.
gxf3 exd4 14. Bxd4 Nxd4 15. Qxd4 Bc5 16. Qd3 f5 17. f4 Rae8 18. Kh2 c6 19. Rad1
Rd8 20. b4 Bb6 21. a4 Qf7 {Petit Montes,M (1770)-Devos,H (1885) Badalona 2016
1-0 (42)}) 7... Ba5 8. d3 a6 9. Bxc6 Nxc6 10. c4 Bb6 11. Nbc3 Bg4 12. Qd2 Qg5
13. Kh1 Rad8 14. Nd5 Qh5 15. Nec3 Rd7 16. Nxb6 cxb6 17. Nd5 b5 18. Rac1 bxc4
19. bxc4 f5 20. Qc3 f4 21. exf4 Nd4 22. Qd2 Ne2 23. Rce1 exf4 24. Bc1 f3 25.
Ne3 fxg2+ 26. Nxg2 Re7 27. Qg5 Ref7 28. Qxh5 Bxh5 29. Be3 Bf3 30. Rb1 b5 31.
Rfe1 Rf6 32. Rxe2 Bxe2 33. Nf4 Bf3+ 34. Kg1 bxc4 35. dxc4 Rf5 36. Rb6 Rxf4 37.
Bxf4 Rxf4 38. Kf1 Rxc4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Carvalho, Willian"]
[Black "Farias, Sergio Luiz"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. h3 Nf6 5. Nf3 c6 6. d4 Nbd7 ({RR} 6... Bf5
7. Be2 e6 8. O-O Bd6 9. Nd2 Qc7 10. Nc4 Bh2+ 11. Kh1 Bf4 12. Bf3 O-O 13. Qe2
Nbd7 14. Bxf4 Qxf4 15. Rad1 Rfd8 16. a4 Nb6 17. Ne5 Nbd5 18. Nxd5 cxd5 19. g3
Qh6 20. h4 Be4 21. Kg1 {Azarov,S (2530)-Gashimov,S (2317) Nakhchivan 2003 1/
2-1/2 (37)}) 7. Bd2 Qc7 8. Bd3 $146 ({RR} 8. a4 e6 9. Bd3 Bd6 10. O-O O-O 11.
a5 Re8 12. Bg5 h6 13. Bxf6 Nxf6 14. Re1 e5 15. a6 b6 16. Ne4 Nd5 17. Nxd6 Qxd6
18. dxe5 Qe7 19. Be4 Be6 20. Nd4 Qc5 21. Nxe6 Rxe6 22. Bxd5 cxd5 {Da Silva,M 
(2037)-De Lima,P (1869) Manaus 2014 1-0 (45)}) 8... e5 9. O-O Bd6 10. Re1 O-O
11. Ne4 Nxe4 12. Rxe4 Nf6 13. dxe5 Nxe4 14. exd6 Nxd6 15. Bxh7+ Kxh7 16. Ng5+
Kg8 17. Qh5 Bf5 18. Bf4 Bg6 19. Qg4 Rae8 20. h4 Qe7 21. h5 Bf5 22. Qd1 Ne4 23.
Nxe4 Qxe4 24. Be3 Bg4 25. Qd2 Bxh5 26. Qa5 Qg6 27. Qc3 Bf3 28. g3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cavalcante, Rodrigo"]
[Black "Bisesar, Maycon"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be2 c5 7. dxc5 Qa5 8. Qd3
({RR} 8. Nd2 Qxc5 9. Nb3 Qb6 10. Qd3 Nc6 11. Be3 Nb4 12. Bxb6 Nxd3+ 13. cxd3
axb6 14. d4 e5 15. fxe5 dxe5 16. d5 Ne8 17. Nd2 Bd7 18. Nc4 Ra6 19. Na3 Ra8 20.
Nc4 Ra6 21. Nd2 Ra8 22. Nc4 {1/2-1/2 (22) Leniart,A (2423)-Bluvshtein,M (2583)
Collado Villalba 2010}) ({RR} 8. Nd2 Qxc5 9. g4 Nc6 10. Nb3 Qb6 11. g5 Nd7 12.
Nd5 Qd8 13. O-O Nc5 14. Nxc5 dxc5 15. c3 b6 16. Qe1 f6 17. gxf6 exf6 18. Bc4
Kh8 19. Ne3 Ne7 20. Qh4 Bb7 21. f5 gxf5 22. exf5 Qd6 {Borisovsky,D (2326)
-Stany,G (2525) Riga LAT 2019 1/2-1/2 (54)}) 8... Nxe4 9. Qxe4 Bxc3+ 10. Bd2
$146 ({RR} 10. Kf2 Bf6 11. cxd6 exd6 12. Rd1 Nc6 13. Kf1 Bf5 14. Qc4 Rac8 15.
Qb3 Qc7 16. c3 Rfe8 17. Re1 Re7 18. Bd2 Na5 19. Qa4 Re4 20. Qd1 Qb6 21. Ng5
Bxg5 22. fxg5 Nc4 23. Bxc4 Rcxc4 24. Qf3 Qxb2 {Behr,R-Brettschneider,S (2180)
Germany 1994 0-1 (57)}) 10... Bxd2+ 11. Nxd2 Qxc5 12. g4 Nc6 13. O-O-O Qd4 14.
Qf3 Qa4 15. Nb3 Be6 16. Kb1 Rac8 17. a3 f6 18. h4 Bf7 19. Qf1 a6 20. g5 Kg7 21.
h5 fxg5 22. hxg6 Bxg6 23. Qh3 gxf4 24. Qe6 Qe4 25. Qg4 Qxc2+ 26. Ka2 Ne5 27.
Qe6 Bf7 28. Qh6+ Kg8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cella, Glaucio"]
[Black "Silva, Anjossendre"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 Be7 8. Nd5
Nf6 9. Nbc3 Nxd5 10. Nxd5 O-O 11. Be3 f5 $146 ({RR} 11... Be6 12. Bb6 Qd7 13.
Be2 Bd8 14. Be3 Ba5+ 15. Bd2 Bxd2+ 16. Qxd2 Rad8 17. O-O Nd4 18. f4 f6 19. Bd3
Rde8 20. b4 b5 21. Ne3 bxc4 22. Nxc4 d5 23. exd5 Qxd5 24. fxe5 fxe5 25. Rxf8+
Rxf8 26. Re1 {Detko,J-Bos Swiecik,I (2240) Poznan 1989 1-0 (51)}) 12. Bb6 Qd7
13. Bd3 f4 14. Be2 Bd8 15. b4 Qf7 16. b5 axb5 17. cxb5 Ne7 18. Bxd8 Rxd8 19.
Bc4 Nxd5 20. Qxd5 Qxd5 21. Bxd5+ Kf8 22. a4 Rd7 23. Kd2 Ke7 24. Rhc1 Kd8 25.
Kc3 Rb8 26. a5 g5 27. Kb4 b6 28. a6 Ra7 29. Rc6 Kd7 30. Rac1 Bxa6 31. bxa6 Rxa6
32. Rc7+ Kd8 33. Rg7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cilento, Lucas"]
[Black "Rezende, Uelton"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. Nc3 d5 5. d3 $146 ({RR} 5. cxd5 Nxd5 6. g3 Bf5
7. Bg2 Ndb4 8. Rc1 Nd4 9. d3 Be6 10. Nf3 c6 11. O-O Nxa2 12. Nxa2 Bxb3 13. Qd2
Nxf3+ 14. Bxf3 Bxa2 15. Bxe5 Bd5 16. Qb2 Bxf3 17. Bxg7 Rg8 18. Bxf8 Kxf8 19.
exf3 Qd7 {Todorcevic,M-Maric,R Strasbourg 1972 1-0 (53)}) ({RR} 5. cxd5 Nxd5 6.
e3 Be7 7. Qb1 Be6 8. Nf3 O-O 9. Nxd5 Qxd5 10. Bd3 f5 11. e4 Qd7 12. O-O Rad8
13. exf5 Bxf5 14. Bxf5 Rxf5 15. Qe4 Rf4 16. Qe3 Qf5 17. Nxe5 Nxe5 18. Qxe5 Qxe5
19. Bxe5 Rf5 {Foisor,O (2414)-Strikovic,A (2493) Lorca 2001 1/2-1/2 (35)}) ({RR
} 5. cxd5 Nxd5 6. g3 Nxc3 7. dxc3 Be6 8. Bg2 Bc5 9. Qc2 Qf6 10. Nf3 O-O-O 11.
O-O g5 12. b4 Bd6 13. Nd2 Bf5 14. e4 Bd7 15. b5 Ne7 16. c4 Bc5 17. a4 Ng6 18.
Nb3 Be7 19. c5 Be6 {Kellerwessel,R (1948)-Schellen,S (1800) Hofheim 2015 1-0 
(31)}) 5... d4 6. Nb1 Be7 7. g3 Bb4+ 8. Nd2 e4 9. a3 Bxd2+ 10. Qxd2 O-O 11. Bg2
Re8 12. O-O-O e3 13. fxe3 dxe3 14. Qc3 Ne5 15. h3 Rb8 16. Nf3 Ng6 17. Rdf1 Qe7
18. g4 Nf4 19. Qe1 b5 20. Nh4 Nxg2 21. Nxg2 bxc4 22. b4 Ba6 23. dxc4 Bxc4 24.
g5 Qe4 25. gxf6 Ba2 26. Nxe3 Qb1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Correa, Joao Pedro"]
[Black "Okamura, Milton"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. Be3 Nf6 8.
O-O Be7 9. Kh1 O-O 10. f4 d6 11. Qe1 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Bd3 Rfe8 (
{RR} 14... Bc6 15. Qg3 Qd7 16. Rad1 Rfd8 17. e5 Ne8 18. f5 Bf8 19. fxe6 fxe6
20. Qh3 g6 21. exd6 Qxd6 22. Be3 Qe5 23. Rde1 Qg7 24. Qxe6+ Kh8 25. Qxc6 Nf6
26. Qxf6 {1-0 (26) Klimkowski,J (2474)-Jaskolka,T (2238) chess.com INT 2023})
15. Qg3 Nh5 $146 ({RR} 15... Rad8 16. Qh3 g6 17. f5 exf5 18. exf5 Qd7 19. Rae1
Nh5 20. fxg6 hxg6 21. Bf5 Qc7 22. Bxg6 fxg6 23. Qe6+ Kh7 24. Rf7+ Kh6 25. Be3+
Bg5 26. Bxg5+ Kxg5 27. h4+ Kxh4 28. Qh3+ Kg5 29. Rxc7 Rxe1+ 30. Kh2 {Remete,E 
(2063)-Antal,A (2160) Paks 2002 0-1 (31)}) 16. Qf3 g6 17. Qh3 Nxf4 18. Rxf4 e5
19. Rxf7 Kxf7 20. Qxh7+ Ke6 21. Qxg6+ Kd7 22. Bf2 Qd8 23. Nd5 Bxd5 24. exd5 Rf8
25. Be3 Ra7 26. Qg4+ Kc7 27. a4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Costa, Ricardo Santos"]
[Black "Custodio, Leandro"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. g3 Bc5 5. d3 h6 6. Bg2 d6 7. O-O O-O 8. Bd2
Be6 9. Rc1 a6 10. a3 Qd7 11. b4 Ba7 12. e4 $146 ({RR} 12. b5 axb5 13. Nxb5 Bb6
14. a4 Ne7 15. Qc2 c6 16. Nxd6 Qxd6 17. c5 Bxc5 18. Qxc5 Qxc5 19. Rxc5 Nd7 20.
Ra5 Rxa5 21. Bxa5 Ra8 22. Bc3 Ng6 23. Rb1 b6 24. Ra1 Bd5 25. e4 Bb3 26. a5 bxa5
{Held,M (1735)-Klee,J (1236) Bad Homburg 2015 1/2-1/2 (44)}) 12... Bg4 13. Nd5
Nxd5 14. cxd5 Nd4 15. Nxd4 Bxd1 16. Rfxd1 Bxd4 17. Rc2 Rac8 18. Bc3 Bxc3 19.
Rxc3 c6 20. dxc6 Rxc6 21. Rc4 b5 22. Rxc6 Qxc6 23. d4 Qc2 24. Bf3 f5 25. Re1
fxe4 26. Re2 Qd1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Cymbalista, Eduardo"]
[Black "Passos, Rafael Moreira"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 b6 7. Rc1 Bb7 8. cxd5
Nxd5 9. Nxd5 Qxd5 10. Rxc7 ({RR} 10. a3 c5 11. Bc4 Qd8 12. O-O Bf6 13. dxc5
Bxb2 14. Rb1 Qxd1 15. Rfxd1 Bxa3 16. Bd6 Bxf3 17. gxf3 Rc8 18. cxb6 axb6 19.
Bxa3 Rxa3 20. Rxb6 Rc3 21. Rbd6 Kf8 22. Rd8+ Rxd8 23. Rxd8+ Ke7 24. Rxb8 Rxc4 {
Nakamura,H (2743)-So,W (2776) Saint Louis USA 2019 1/2-1/2}) 10... Bb4+ 11. Nd2
Na6 12. Rc4 $146 ({RR} 12. Bxa6 Bxa6 13. f3 Qxa2 14. d5 Qxd5 15. e4 Qd4 16. Qb3
Rfd8 17. Rc2 Bd3 18. Rc3 Bxc3 19. bxc3 Qc5 20. Qb4 Qc6 21. Kf2 a5 22. Qb2 a4
23. Ra1 a3 24. Qb3 b5 25. Be3 Bc4 26. Nxc4 Qxc4 {Ismael,M (1473)-Fomevor,C 
(1830) Chennai IND 2022 0-1 (43)}) ({RR} 12. Rc2 Rac8 13. a3 Rxc2 14. Qxc2 Rc8
15. Qb1 Bxd2+ 16. Kxd2 Nc5 17. f3 Nb3+ 18. Ke2 Rc1 19. Qd3 Qa5 {0-1 (19)
Moosbrugger,A (1915)-Monninger,M (2107) Austria AUT 2023}) 12... b5 13. Rc2
Qxa2 14. Bd3 Qd5 15. f3 Nc5 16. Rxc5 Bxc5 17. Be4 Qd7 18. Bxb7 Qxb7 19. dxc5 b4
20. Qa4 Rfd8 21. Bd6 Rac8 22. O-O h6 23. Nc4 Rc6 24. Na5 Qa6 25. Qxc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Damasceno, Enzo"]
[Black "Lage, Pedro"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1
Re8 9. Ne1 Nd4 ({RR} 9... Be6 10. Nd5 Qd7 11. b4 Bxd5 12. cxd5 Ne7 13. Qb3 Nf5
14. Bb2 a5 15. e4 Ne7 16. bxa5 Rxa5 17. Bc3 Raa8 18. Nc2 c6 19. f4 exf4 20.
dxc6 bxc6 21. Kh1 Qa7 22. Rxf4 Rab8 23. Nb4 c5 24. Rbf1 {Anurag,M (2437)-Popov,
I (2652) Chennai 2013 0-1}) ({RR} 9... a5 10. Nc2 Bg4 11. Ne3 Be6 12. a3 Qd7
13. Ncd5 Nh5 14. b4 axb4 15. axb4 Nd4 16. b5 Rf8 17. Bb2 Rab8 18. Bxd4 exd4 19.
Nc2 c6 20. bxc6 bxc6 21. Rxb8 Rxb8 22. Ndb4 Rc8 23. e3 dxe3 24. Nxe3 {Besedes,
D (2287)-Milosevic,M (2417) Pozarevac SRB 2023 1/2-1/2 (63)}) 10. Nc2 $146 ({RR
} 10. h3 c6 11. Bd2 d5 12. cxd5 cxd5 13. Bg5 Be6 14. Qd2 Qd7 15. Kh2 Nc6 16. b3
Rac8 17. Nf3 d4 18. Ne4 Nxe4 19. dxe4 f6 20. Bh6 Bxh6 21. Qxh6 Nb4 22. Rb2 Rc3
23. g4 Qg7 24. Qd2 Rec8 {Muehlberg,S-Zirngibl,A Gera 1962 0-1 (55)}) 10... c6
11. Bg5 h6 12. Bxf6 Bxf6 13. e3 Ne6 14. d4 exd4 15. exd4 Nc7 16. Ne3 a5 17. Qd2
Bg7 18. Rfe1 Qf6 19. Rbd1 Bf5 20. Nxf5 Qxf5 21. Ne4 Rad8 22. d5 cxd5 23. cxd5
b6 24. b4 Nb5 25. bxa5 bxa5 26. Qxa5 Nd4 27. Qa4 Re7 28. Rxd4 Bxd4 29. Qxd4 Rb8
30. h4 Rc7 31. Nf6+ Kf8 32. Nd7+ Kg8 33. Nxb8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Dobuchak, Thiago"]
[Black "Veiga, Emerson"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 h5 8. Be3
Be6 9. f4 Qc7 10. f5 Bc4 11. Bxc4 Qxc4 12. Qf3 Nbd7 13. O-O-O b5 $146 ({RR} 
13... O-O-O 14. g4 hxg4 15. hxg4 Rxh1 16. Rxh1 d5 17. Nxd5 Qxe4 18. Qxe4 Nxe4
19. c4 Ndc5 20. Nxc5 Nxc5 21. Bxc5 Bxc5 22. Rh7 b5 23. b3 bxc4 24. bxc4 Rg8 25.
Kd2 f6 26. Kd3 Kd8 27. Ke4 Ba3 28. Rh3 {Blomqvist,E (2520)-Schneider,G (2150)
Caleta 2015 1/2-1/2 (51)}) ({RR} 13... h4 14. Bg5 Rc8 15. Kb1 b5 16. a3 Be7 17.
Bxf6 Nxf6 18. Nd2 Qc6 19. Qd3 Bd8 20. Nd5 Nd7 21. Nb4 Qb6 22. Nb3 Rh6 23. g3 a5
24. Nd5 Qc6 25. gxh4 Qc4 26. Qg3 Qxc2+ 27. Ka1 Qxe4 28. Qxg7 {Vignesh,N (2529)
-Abdurakhmonov,M (2409) Sitges ESP 2023 1/2-1/2 (72)}) 14. Kb1 b4 15. Nd2 Qc7
16. Nd5 Nxd5 17. exd5 Rc8 18. Rc1 Qb7 19. Rhd1 h4 20. Nb3 Qb5 21. Bf2 Be7 22.
g4 hxg3 23. Qxg3 Rh7 24. Be3 a5 25. Bg5 Bxg5 26. Qxg5 a4 27. Nd2 Qxd5 28. Nf1
Qc5 29. c4 Nf6 30. Ng3 a3 31. b3 Rxh3 32. Ne2 Qe3 33. Qg2 Qe4+ 34. Qxe4 Nxe4
35. Rg1 Rh2 36. Rge1 Ke7 37. Rc2 Rch8 38. Nf4 Nc3+ 39. Rxc3 bxc3 40. Nd5+ Kd7
41. Nxc3 Rb2+ 42. Ka1 Rhh2 43. Rb1 Rbc2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Federzoni, Enzo"]
[Black "Nunes Jr, Sidney"]
[Result "1-0"]
[ECO "B36"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8.
Be2 Bg7 9. O-O O-O 10. Qd3 a5 11. Be3 a4 12. Bd4 Qa5 13. f4 Be6 14. Rab1 ({RR} 
14. Rad1 Rfc8 15. b3 axb3 16. axb3 Qb4 17. f5 Bd7 18. fxg6 hxg6 19. Rxf6 Bxf6
20. Nd5 Bxd4+ 21. Qxd4 Qc5 22. Nxe7+ Kf8 23. Nxc8 Bxc8 24. Qxc5 dxc5 25. Rd8+
Ke7 26. Rd5 b6 27. e5 Ra3 28. Bd1 Ra1 {Federzoni,E (2215)-Bilych,O (2311)
chess.com INT 2021 0-1 (44)}) 14... Rfc8 15. b3 axb3 16. axb3 Qb4 $146 ({RR} 
16... Qd8 17. Bf3 Qd7 18. h3 Ne8 19. Bxg7 Kxg7 20. Na4 Rxa4 21. bxa4 Kg8 22.
Rb4 Nc7 23. f5 gxf5 24. exf5 Bxf5 25. Be4 Bg6 26. Qf3 Qe6 27. Bxb7 Rf8 28. Qc3
Qd7 29. a5 Ne6 30. a6 Nc5 31. Ra1 {Assylov,M (2267)-Kholyavko,M (1667) Almaty
KAZ 2023 1-0 (31)}) 17. Kh1 Bd7 18. Bxf6 Bxf6 19. Nd5 Qc5 20. b4 Qa7 21. Nxf6+
exf6 22. Qxd6 Be6 23. c5 f5 24. exf5 Bxf5 25. Rbe1 Rc6 26. Qd4 Re8 27. Bc4 Rf8
28. Re7 Qb8 29. Rfe1 Rcc8 30. Qf6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Fernandes, Pedro G"]
[Black "Azevedo Jr, Joao"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. Nc3 d6 7. d4 a6 8. a3 ({
RR} 8. Re1 Nbd7 9. h3 Rb8 10. e4 cxd4 11. Nxd4 Qa5 12. Be3 Ne5 13. Qe2 Bd7 14.
Nd5 e6 15. Nb3 Qd8 16. Bb6 Qe8 17. Nxf6+ Bxf6 18. Bc7 Rc8 19. Bxd6 Nxc4 20.
Bxf8 Qxf8 21. Red1 Ba4 22. Rac1 Bxb3 {Kukhmazov,A (2271)-Turutin,A (2398)
Moscow 2014 1/2-1/2}) ({RR} 8. b3 Bg4 9. Bb2 Bxf3 10. Bxf3 Qc7 11. Rc1 Nc6 12.
dxc5 dxc5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. cxd5 Ne5 16. Bg2 Rac8 17. e4 Nd7 18.
f4 Qb6 19. Kh1 Rfd8 20. Qd2 Kg8 21. e5 e6 22. d6 Nb8 {Bilan,D (2303)-Wang,A 
(1841) chess.com INT 2023 1-0 (50)}) 8... Qc7 $146 ({RR} 8... Nc6 9. e3 Rb8 10.
Ne1 Bd7 11. a4 Qa5 12. Nc2 b5 13. axb5 {1-0 (13) Shagaleev,R-Solyankin,A (2084)
Angarsk 2017}) 9. dxc5 Qxc5 10. Na4 Qc7 11. Be3 Nfd7 12. Rc1 Nc5 13. Nc3 Be6
14. Ng5 Nc6 15. b4 Nd7 16. Nxe6 fxe6 17. b5 Nce5 18. Nd5 exd5 19. Qxd5+ Kh8 20.
Qxb7 Qxb7 21. Bxb7 axb5 22. Bxa8 Rxa8 23. cxb5 Rxa3 24. Rc8+ Bf8 25. Bh6 Kg8
26. Rb1 Kf7 27. Bxf8 Nxf8 28. b6 Nfd7 29. b7 Ra2 30. f4 Ng4 31. Rd8 Ngf6 32. g4
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Ferreira, Fernando G"]
[Black "Melo, Igor"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 c5 6. c3 Nc6 7. Nbd2 O-O 8. Bd3
b6 9. Ne5 Bb7 10. O-O Rc8 11. Qf3 $146 ({RR} 11. f4 Ne7 12. Bh4 Ne4 13. Bxe7
Qxe7 14. Rf3 cxd4 15. exd4 f6 16. Ng4 f5 17. Ne5 g5 18. Bxe4 fxe4 19. Rg3 Rxf4
20. Qh5 Bxe5 21. dxe5 Ba6 22. Nb3 Rf5 23. Nd4 Rxe5 24. h4 Kh8 25. Re1 Rg8 {
Milanovic,D (2466)-Nabaty,T (2603) Belgrade 2015 0-1 (34)}) ({RR} 11. f4 Ne7
12. Qb1 Rc7 13. Bh4 Ng6 14. Bg5 Qa8 15. f5 Nxe5 16. dxe5 Bxe5 17. Qe1 h6 18.
Bxf6 Bxf6 19. fxe6 fxe6 20. Qg3 e5 21. Bf5 Qe8 22. c4 d4 23. Ne4 Rc6 24. Rae1
Kh8 25. b3 Bc8 {Kamsky,G (2721)-Korobov,A (2713) Antalya 2013 0-1 (74)}) ({RR} 
11. f4 Ne7 12. Bh4 Nf5 13. Bxf6 gxf6 14. Ng4 Kh8 15. Bxf5 exf5 16. Nh6 Qd7 17.
Rf3 Rce8 18. Rh3 Rg8 19. Qh5 Rg7 20. Nxf5 Reg8 21. Nxg7 Rxg7 22. Rf1 Ba6 23.
Rf2 Bd3 24. Qf3 Bc7 25. e4 dxe4 {Yordanov,N (2242)-Buker,M (1996) chess.com
INT 2021 1-0}) 11... h6 12. Qe2 cxd4 13. exd4 Ne7 14. Ndf3 Nf5 15. Bxf5 exf5
16. Bf4 g5 17. Be3 f4 18. Bd2 Re8 19. h3 Nd7 20. Rfe1 f6 21. Qd3 Nf8 22. Ng6
Kg7 23. Nxf8 Bxf8 24. Qf5 Rc7 25. h4 Rxe1+ 26. Rxe1 Bc8 27. Qd3 Bg4 28. hxg5
hxg5 29. Nh2 Bh5 30. g3 fxg3 31. fxg3 Bd6 32. Nf1 Bg6 33. Qf3 Be4 34. Qg4 Qh8
35. Nh2 Kg6 36. Re2 Rh7 37. c4 Rh3 38. Bf4 Bxf4 39. gxf4 Bf5 40. Qg2 dxc4 41.
fxg5 fxg5 42. Qc6+ Kh5 43. d5 Qd4+ 44. Rf2 Rg3+ 45. Kh1 Be4+ 46. Nf3 Bxf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Ferreira, Thales"]
[Black "Pomar, Marcelo"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 g6 6. Nc3 Bg7 7. e4 d6 8. Be2 Qxb6
9. Nf3 O-O 10. Nd2 Nbd7 11. Nc4 Qc7 12. a4 ({RR} 12. Bd2 Nb6 13. Ne3 e6 14. O-O
exd5 15. Ncxd5 Nbxd5 16. exd5 Ne4 17. Nc4 Nxd2 18. Qxd2 Bd7 19. Rae1 Rfe8 20.
b3 Bb5 21. Na3 Qb7 22. Bc4 Bd4 23. Qd3 Reb8 24. Nc2 Bxc4 25. Qxc4 Qb5 26. Rb1
Qxc4 {Hellsten,J (2430)-Baklan,V (2490) Brussels 1995 1/2-1/2 (34)}) 12... Nb6
13. Nxb6 ({RR} 13. Ne3 a5 14. h4 Ba6 15. Bxa6 Rxa6 16. h5 c4 17. Qf3 Nbd7 18.
Qg3 Nc5 19. hxg6 Nd3+ 20. Ke2 fxg6 21. f3 Nh5 22. Rxh5 Nf4+ 23. Kf1 Nxh5 24.
Qg4 Qc8 25. Qxc8 Rxc8 26. Nc2 Nf6 27. Be3 Nd7 {Besso,G (2092)-Tristan,L (2533)
Buenos Aires ARG 2020 0-1 (49)}) 13... Qxb6 14. O-O Qb4 $146 ({RR} 14... a5 15.
Qc2 Ba6 16. Nb5 Ne8 17. Ra3 Nc7 18. Nxc7 Qxc7 19. Bxa6 Rxa6 20. Bd2 Rb8 21. Rb1
Ra7 22. Rh3 Rab7 23. b3 c4 24. Qc1 c3 25. Bh6 c2 26. Rb2 Bxh6 27. Qxc2 Qxc2 28.
Rxc2 Rxb3 29. Rxb3 {Bluebaum,B (1957)-Ortpaul,M (1801) Werther 2007 0-1 (31)})
15. Qc2 e6 16. dxe6 Bxe6 17. Bf4 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Be3 Rfc8
21. Rac1 Qxb2 22. Qxb2 Bxb2 23. Rxc5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Fier, Alexandr"]
[Black "Aranha Filho, Alvaro"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 {Kritz,L} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 ({RR} 5. Nc3 Nxc3
6. dxc3 Be7 7. Be3 Nc6 ({RR} 7... O-O 8. Qd2 Nd7 9. O-O-O Re8 10. h4 c6 11. Kb1
Qa5 12. h5 h6 13. Bd3 Ne5) 8. Qd2 Be6 9. O-O-O Qd7 10. Kb1 a6 ({RR} 10... Bf6
11. h4 O-O-O 12. Ng5 Bf5 13. Bd3 Bxd3 14. Qxd3 h5) 11. Ng5 Bxg5 12. Bxg5 f6 13.
Be3 O-O-O) 5... Nf6 ({RR} 5... d5 6. Qe2 Qe7 7. O-O Nd6 8. Qd1 Qd8 9. Re1+ Be7
10. Qe2 ({RR} 10. Nc3 c6 11. Qe2 Bg4 12. b3 Bxf3 13. Qxf3 O-O 14. Ba3 Nc8 15.
Qh3 g6 16. Bxe7 Nxe7 17. Re2 Kg7 18. Rae1 Ng8 19. Qg3 Nd7) 10... Bg4 11. b4 c6
12. Bb2 Bxf3 13. gxf3 Nd7) 6. h3 Be7 7. O-O O-O 8. c3 b6 9. Bc2 Bb7 10. d4 Nbd7
11. a4 ({RR} 11. Nbd2 Re8 12. Nc4 Bf8 13. Bg5 h6 ({RR} 13... Qc8 14. Ne3 Be4
15. Bb3 Qb7 16. Nd2 Bg6) 14. Bh4 g6 15. Ne3 Bg7 16. Nh2 ({RR} 16. Re1 Qc8)
16... Qc8 ({RR} 16... g5 17. Bg3 Ne4 18. Nf5) 17. Nhg4 ({RR} 17. Re1 Nh5) 17...
Nxg4 18. Nxg4 ({RR} 18. hxg4 Nf6) 18... f5 19. Ne3 Nf6 ({RR} 19... g5 20. Nxf5
gxh4 21. Qg4) 20. Re1 Kh8 ({RR} 20... f4 21. Bxf6 Bxf6 22. Ng4) ({RR} 20... Qd7
21. Ba4 c6 22. d5 b5 23. dxc6 Bxc6 ({RR} 23... Qxc6 24. Qb3+ Kh7 25. Bxb5) 24.
Bb3+ Kh7 25. Bxf6 Bxf6 26. Bd5) 21. f3 Qd7 22. Qd2 ({RR} 22. Ba4 b5) 22... Nd5
23. Bf2 Kh7 24. Bb3 Nxe3 25. Rxe3 Rxe3 {Navara,D (2712)-Gelfand,B (2739) Wijk
aan Zee 2012 CBM 147 [Kritz,L] 1/2-1/2}) ({RR} 11. Re1 Re8 12. Nbd2 Bf8 13.
Rxe8 Qxe8 14. Nf1 g6 15. Bf4 Bg7 16. Ne3 Nd5 17. Nxd5 Bxd5) ({RR} 11. Bg5 Re8
12. Re1 Nd5 13. Qd3 g6 14. Bd2 c5 15. c4 Nc7 16. Bc3 ({RR} 16. d5 b5 17. b3 Bf6
18. Bc3 Rxe1+ 19. Nxe1 b4 20. Bxf6 Qxf6) 16... d5) ({RR} 11. Bf4 Re8 12. Nbd2
Bf8 13. Bd3 g6 14. Qb3 Bg7 15. Rae1 Rxe1 16. Rxe1 Qf8 17. Bc4 h6 18. Nf1 Re8
19. Ne3 Re7 20. Nd5 Rxe1+ 21. Nxe1 Nxd5 22. Bxd5 Bxd5 23. Qxd5 Qe8 24. Be3 Qc8
25. Nd3 Nf6 {Siddharth,J (2447)-Orujov,F (2226) Arandjelovac SRB 2023 1/2-1/2 
(37)}) 11... Re8 12. a5 bxa5 $146 ({RR} 12... Bf8 13. Bg5 h6 14. Bh4 b5 15. a6
Bd5 16. Bd3 Rb8 17. Na3 b4 18. Nc2 bxc3 19. bxc3 g5 20. Bg3 Ne4 21. c4 Ba8 22.
Bh2 Bg7 23. Ra3 f5 24. d5 Nc3 25. Rxc3 Bxc3 26. Bxf5 Nc5 27. Nfd4 {Zaitsev,M 
(2463)-Perez Garcia,R (2395) Belgium 2007 1-0 (35)}) 13. Nbd2 Nb6 14. Rxa5 c5
15. Nb3 Qc7 16. Ra1 c4 17. Nbd2 Bf8 18. Nb1 Be4 19. Bf4 Qb7 20. Nbd2 Bc6 21.
Bg3 g6 22. Ra5 Bd5 23. Re1 Nh5 24. Bh2 Qc6 25. Rxe8 Qxe8 26. Nf1 Qc6 27. N3d2
Bh6 28. Ne3 Bxe3 29. fxe3 f5 30. Bxf5 Qe8 31. e4 gxf5 32. exd5 Qe3+ 33. Kh1
Ng3+ 34. Bxg3 Qxg3 35. Qf3 Qe1+ 36. Nf1 Qb1 37. Kh2 Qxb2 38. Ng3 Qd2 39. Qxf5
Qxc3 40. Qe6+ Kf8 41. Nf5 Nc8 42. Nh6 Kg7 43. Qf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Fogaca, Vinicius"]
[Black "Lopes, Wendell"]
[Result "1/2-1/2"]
[ECO "E40"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 e5 7. e4 O-O 8. Ne2
Nc6 ({RR} 8... Re8 9. f3 Nc6 10. g4 Nd7 11. h4 Qf6 12. Kf2 exd4 13. g5 Qe7 14.
cxd4 Nb4 15. Ng3 c5 16. Nf5 Qf8 17. Bb2 cxd4 18. Nxd4 Nxd3+ 19. Qxd3 Ne5 20.
Qe2 f5 21. gxf6 Qxf6 22. Rag1 Bd7 23. Qe3 {Sarana,A (2668)-Deac,B (2700) chess.
com INT 2022 1-0 (36)}) 9. O-O Bg4 $146 ({RR} 9... Re8 10. f3 b6 11. Bg5 h6 12.
Bh4 g5 13. Bf2 Nh5 14. Ng3 Nf4 15. Nf5 Qf6 16. Ne3 exd4 17. Nd5 Nxd5 18. cxd5
Ne5 19. cxd4 Nxd3 20. Qxd3 Qg6 21. Rac1 Re7 22. Rc3 g4 23. Kh1 Kh7 24. Bh4 {
Hingouet,M (2245)-Smith,M (2208) Paris FRA 2019 1/2-1/2 (71)}) ({RR} 9... Re8
10. d5 Na5 11. Ng3 b6 12. f3 Ba6 13. Qe2 Nd7 14. Nf5 Nc5 15. Ne3 Nxd3 16. Qxd3
Qd7 17. Ba3 Nxc4 18. Nxc4 Qb5 19. Nxe5 Qxd3 20. Nxd3 Bxd3 21. Rfe1 f5 22. exf5
Bxf5 23. Kf2 Bd3 24. Rac1 {Fiorito,J (2399)-Camacho Collados,M (2474) chess.
com INT 2023 0-1 (65)}) 10. d5 Ne7 11. f3 Bh5 12. Bg5 Nd7 13. Ng3 f6 14. Be3
Bg6 15. Nf5 Nxf5 16. exf5 Bf7 17. Qe1 Re8 18. Qg3 Kh8 19. Rfe1 Nc5 20. Be4 Rg8
21. Qh4 g5 22. fxg6 Bxg6 23. Bxg6 Rxg6 24. Bxc5 dxc5 25. f4 Qg8 26. g3 Re8 27.
fxe5 fxe5 28. Re4 Qg7 29. Rae1 Rg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Fonseca, Rogerio"]
[Black "Freitas, Filipe"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. Nf3 Nc6 2. d4 d5 3. c4 Nf6 4. Nc3 e6 5. e4 ({RR} 5. cxd5 Nxd5 6. e4 Nxc3 7.
bxc3 Be7 8. Bd3 h6 9. O-O O-O 10. Qe2 a6 11. e5 Na7 12. Qe4 f5 13. exf6 Rxf6
14. Qh7+ Kf7 15. Ne5+ Ke8 16. Bg6+ Rxg6 17. Qxg6+ {0-1 (17) Kulpruethanon,T 
(2282)-Pema,R chess.com INT 2020}) 5... dxe4 6. Ng5 $146 ({RR} 6. Ne5 Nxd4 7.
Bg5 Bd6 8. Qa4+ Bd7 9. Nxd7 Qxd7 10. Qxd7+ Nxd7 11. Nxe4 Nc2+ 12. Kd1 Nxa1 13.
Nxd6+ cxd6 14. c5 f6 15. Bf4 e5 16. Be3 dxc5 17. Bb5 O-O-O 18. f4 Nb6+ 19. Ke1
Nc2+ 20. Ke2 Nxe3 {Vaca,T-Hernandez,D Villaguay 2016 0-1 (52)}) 6... Qxd4 7.
Nb5 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Qxd2+ 10. Kxd2 O-O 11. Nxc7 Rb8 12. Nb5 e5 13.
Nd6 Rd8 14. Ngxf7 Rf8 15. Ng5 h6 16. Ngxe4 Nxe4+ 17. Nxe4 Bf5 18. Nd6 Rbd8 19.
c5 b6 20. Bc4+ Kh7 21. Kc3 Bg6 22. Nb7 Rb8 23. Ba6 Rxf2 24. cxb6 axb6 25. Rhg1
Rc2+ 26. Kb3 Na5+ 27. Nxa5 bxa5+ 28. Ka4 Rcxb2 29. Kxa5 Ra8 30. Rgd1 Be4 31.
Rac1 Bb7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Franca Jr, Jairo"]
[Black "Urquiza, Marcello"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 b6 8. O-O
Bb7 9. Bf3 ({RR} 9. f4 Nbd7 10. Bf3 Qc7 11. Be3 Be7 12. Rc1 Nc5 13. Qc2 Rc8 14.
f5 e5 15. Nde2 Qb8 16. b4 Ncd7 17. Qd3 O-O 18. g4 h6 19. Ng3 Nh7 20. Rc2 Bg5
21. Bf2 Rfd8 22. Rd1 Nhf6 23. Nge2 h5 {Sjugirov,S (2703)-Martinez Alcantara,J 
(2611) chess.com INT 2023 0-1 (35)}) ({RR} 9. f3 Nbd7 10. Be3 Rg8 11. Qd2 h6
12. a4 g5 13. a5 bxa5 14. Nb3 Rb8 15. Nxa5 Ba8 16. b4 Rxb4 17. Nb5 d5 18. Nd4
Bc5 19. cxd5 exd5 20. Rfc1 Qb6 21. Rxc5 Nxc5 22. Nc2 Rb1+ 23. Rxb1 Qxb1+ {
Mendez Fortes,E (2231)-Kamsky,G (2641) chess.com INT 2023 0-1 (42)}) 9... Qc7
10. Be3 Nbd7 11. Rc1 $146 ({RR} 11. Qa4 Be7 12. e5 dxe5 13. Bxb7 Qxb7 14. Nc6
b5 15. cxb5 axb5 16. Qxb5 Qxb5 17. Nxb5 Rc8 18. Rfc1 Nd5 19. Bd2 O-O 20. Nxe7+
Nxe7 21. Bb4 Rxc1+ 22. Rxc1 Rc8 23. Rxc8+ Nxc8 24. a4 Ncb6 25. a5 Nd5 {Da
Silva,E (1765)-Fogaca,V (1776) Cuiaba MT 2021 1-0 (32)}) 11... Be7 12. b4 O-O
13. Qc2 Ne5 14. Be2 Rac8 15. f3 Nxc4 16. Bxc4 Qxc4 17. Qd2 Qxb4 18. Nd5 Nxd5
19. exd5 Qxd2 20. Bxd2 Bxd5 21. Nb3 Bc4 22. Rfd1 d5 23. Be3 b5 24. f4 Ba3 25.
Rc3 Bb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Franco Filho, Sinvaldo"]
[Black "Pontes, Felipe"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. e4 {Pein,M} c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. Bd3 Be6 ({RR} 
6... Nbd7 7. O-O Be7 8. Re1 O-O 9. Bg5 Re8 10. Nbd2 a6 11. Nf1 cxd4 12. cxd4
Nf8 13. Ne5 N6d7 14. Bxe7 Rxe7 15. Nf3 Rxe1 16. Qxe1 Qb6 17. Qd2 Nf6 18. Ng3
Ng6 19. Re1 Bg4 20. Bxg6 hxg6 ({RR} 20... Bxf3 21. Bxf7+ Kxf7 22. gxf3 Re8) 21.
Ng5 {Short,N (2640)-Tregubov,P (2545) Wijk aan Zee 1995 CBM 045 [Pein,M] 1-0 
(37)}) 7. O-O Nbd7 ({RR} 7... Nc6 8. dxc5 Bxc5 9. b4 Bb6 10. a4 O-O 11. a5 Bc7
12. Na3 Qd6 13. g3 Bg4 14. Nb5 Qd7 15. Nxc7 Qxc7 16. Bf4 Qd7 17. Re1 Rac8 18.
Qc2 Bxf3 19. Bf5 Qd8 20. Bxc8 Qxc8 21. Re3 Be4 22. Qd2 {Slima,J-Da Silva,D 
(1775) lichess.org INT 2021 0-1}) 8. Re1 Be7 $146 ({RR} 8... Bd6 9. Bf5 O-O 10.
Bxe6 fxe6 11. Rxe6 Qc7 12. Re2 Rae8 13. Rxe8 Rxe8 14. h3 Qb6 15. Nbd2 Qb5 16.
Nb3 a5 17. a4 Qb6 18. dxc5 Bxc5 19. Nxc5 Nxc5 20. Be3 Qc6 21. Nd4 Qd7 22. Nb5
Ne6 23. Qd3 {Gelabert Mari,L-Galiana Moll,R Palma de Mallorca 2003 1-0 (48)})
9. h3 Rc8 10. Ng5 Qb6 11. Nxe6 fxe6 12. Nd2 cxd4 13. cxd4 Qxd4 14. Nf3 Qb6 15.
Qe2 O-O 16. Qxe6+ Qxe6 17. Rxe6 Nc5 18. Bf5 Nxe6 19. Bxe6+ Kh8 20. Bxc8 Rxc8
21. Bf4 h6 22. Re1 Ne4 23. Ne5 Bf6 24. f3 Nc5 25. Rd1 Ne6 26. Bg3 d4 27. Nd7
Rc2 28. Nxf6 gxf6 29. Re1 d3 30. Rxe6 d2 31. Re8+ Kg7 32. Rd8 Rc1+ 33. Kh2 d1=Q
34. Rxd1 Rxd1 35. Bf2 a6 36. b4 Rd2 37. Bc5 Rxa2 38. h4 b5 39. Kh3 a5 40. bxa5
Rxa5 41. g4 Ra2 42. g5 f5 43. Kg3 hxg5 44. hxg5 Kg6 45. f4 Rb2 46. Kf3 b4 47.
Ke3 b3 48. Kd3 Rg2 49. Bd4 b2 50. Bxb2 Rxb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Freitas, Mauricio"]
[Black "Andrade, Dalson Holanda"]
[Result "0-1"]
[ECO "E03"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Nbd7 5. O-O dxc4 6. Qa4 a6 7. Qxc4 b5 8.
Qc2 Bb7 9. d4 ({RR} 9. Nc3 c5 10. a4 b4 11. Nd1 Nd5 12. e4 Nc7 13. d4 cxd4 14.
Nxd4 Nc5 15. Be3 Rc8 16. Nc6 Qd3 17. Qxd3 Nxd3 18. Na5 Ba8 19. f3 e5 20. Nf2
Nxf2 21. Kxf2 Ne6 22. Rfc1 Bc5 23. Bxc5 Nxc5 {Gajewski,G (2616)-Naiditsch,A 
(2712) Warsaw 2011 0-1 (31)}) 9... Rc8 ({RR} 9... Be7 10. Nbd2 c5 11. e4 cxd4
12. Nxd4 Rc8 13. Qb1 O-O 14. N2b3 Nc5 15. Nxc5 Bxc5 16. Nb3 Bb6 17. Bf4 Qe7 18.
Qd3 Rfd8 19. Qe2 Rc4 20. Bg5 h6 21. Bxf6 Qxf6 22. Rac1 Rdc8 23. Rxc4 Rxc4 24.
e5 {Castrillon Gomez,M (2181)-Zuo,J (1504) Hong Kong HKG 2023 1-0 (49)}) 10.
Bg5 c5 11. Qd2 $146 ({RR} 11. Qd1 h6 12. Bxf6 Nxf6 13. a4 Qb6 14. axb5 axb5 15.
dxc5 Bxc5 16. e3 O-O 17. Qe2 Bd5 18. Nbd2 Rfd8 19. Rfc1 Bf8 20. Nd4 Rxc1+ 21.
Rxc1 {1/2-1/2 (21) Gheorghiu,F-Pilnik,H Mar del Plata (Hotel Nogaró) 1971})
11... cxd4 12. Nxd4 Bxg2 13. Kxg2 Qb6 14. Bxf6 Nxf6 15. Nf3 Be7 16. Nc3 O-O 17.
Rac1 Rfd8 18. Qf4 Rc4 19. e4 Qb7 20. Nd2 Rcd4 21. Rc2 Bb4 22. f3 Rd3 23. Rf2
Nd7 24. Nb3 Bxc3 25. Rxc3 Rxc3 26. bxc3 Rc8 27. Rd2 Rxc3 28. Qd6 Nf8 29. Nc5
Qc8 30. Nxa6 Rc6 31. Qe7 Rc2 32. Rxc2 Qxc2+ 33. Kh3 Qe2 34. Qe8 Qxf3 35. Nc5
Qh5+ 36. Kg2 Qxc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Guimaraes, Diogo Duarte"]
[Black "Matsuura, Everaldo"]
[Result "1/2-1/2"]
[ECO "B83"]
[PlyCount "13"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Be3 Nf6 7. Be2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Kruger, Israel"]
[Black "Cardoso, Lucca"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. O-O Bg7 8. d3
Qd7 ({RR} 8... Nf6 9. a4 O-O 10. Qe1 e6 11. f5 exf5 12. Qh4 Ng4 13. Qxd8 Raxd8
14. exf5 Rfe8 15. fxg6 hxg6 16. Bd2 d5 17. h3 Ne3 18. Bxe3 Rxe3 19. Rae1 Rde8
20. Rxe3 Rxe3 21. Re1 Rxe1+ 22. Nxe1 f5 23. a5 {Torres Dominguez,D (1987)
-Petre,N (2313) chess.com INT 2023 1/2-1/2 (64)}) 9. Qe1 ({RR} 9. Be3 Nh6 10.
h3 f5 11. e5 Nf7 12. Re1 O-O 13. Bf2 dxe5 14. Nxe5 Nxe5 15. fxe5 b6 16. d4 cxd4
17. Qxd4 Qb7 18. Rad1 Bxg2 19. Qd7 Qc6 20. Bh4 Rfe8 21. Qxc6 Bxc6 22. Nd5 Bxd5
23. Rxd5 h6 {Khachiyan,M (2480)-Minasian,A (2483) Yerevan 1999 0-1 (35)}) 9...
O-O-O 10. Rb1 $146 ({RR} 10. a4 f5 11. Kh1 Bxc3 12. Qxc3 fxe4 13. dxe4 Nf6 14.
e5 Nd5 15. Qe1 Qf5 16. Bd2 Rhf8 17. exd6 exd6 18. Qg3 Rde8 19. b4 Ne3 20. Bxe3
Rxe3 21. bxc5 dxc5 22. Rae1 Rxe1 23. Qxe1 Qxf4 24. Nd2 Qd6 {Abedi,H-Kotanjian,
T (2533) Tabriz 2012 0-1 (47)}) 10... f5 11. b4 b6 12. bxc5 dxc5 13. e5 e6 14.
Be3 Ne7 15. Qf2 Nd5 16. Nxd5 Qxd5 17. Rb3 h6 18. Rfb1 g5 19. c4 Qd7 20. Bxc5
bxc5 21. Qxc5 Qc7 22. Nd4 Rxd4 23. Qxd4 Re8 24. Qb2 gxf4 25. Rb8+ Kd7 26. Rxe8
Kxe8 27. Qb8+ Kd7 28. d4 Be4 29. Rb3 Qxb8 30. Rxb8 h5 31. h4 f3 32. gxf3 Bxf3
33. Kf2 Be4 34. Rg8 Bh6 35. Rh8 Bd2 36. Rh7+ Kc6 37. Rxa7 Bc3 38. Ke3 Be1 39.
Rh7 Bxh4 40. Rxh5 Be1 41. Rh6 Kd7 42. Rh7+ Kd8 43. Ra7 Bc6 44. a4 Bg3 45. Rf7
f4+ 46. Rxf4 Bxf4+ 47. Kxf4 Bxa4 48. d5 Bb3 49. dxe6 Bxc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Labussiere, Victor"]
[Black "Cadilhac, Igor"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8.
O-O Nc6 9. Nxd7 Nxd7 ({RR} 9... Qxd7 10. Nc3 Rc8 11. Qa4 Be7 12. d3 O-O 13. Bd2
Rfd8 14. Rfd1 b6 15. Rac1 Nd5 16. Nxd5 exd5 17. e3 Bf8 18. Bc3 d4 19. exd4 Nxd4
20. Qxd7 Rxd7 21. Bh3 Ne2+ 22. Kf1 Nxc1 23. Bxd7 Rd8 24. Rxc1 {Kramnik,V (2753)
-Nepomniachtchi,I (2792) Paris FRA 2021 0-1 (64)}) 10. Nc3 Be7 11. d3 $146 ({RR
} 11. Qa4 Nd4 12. e3 Nf5 13. b3 O-O 14. Ba3 a6 15. Qe4 Rb8 16. Rac1 Nf6 17. Qb1
Qd7 18. Rfd1 b6 19. Bb2 Rfd8 20. Ne4 Nd5 21. a3 h6 22. Ba1 Bf8 23. Qb2 a5 24.
Rc4 Rbc8 25. a4 Rb8 {Zylka,S (2427)-Huh,I (2050) Split CRO 2023 1-0 (40)})
11... O-O 12. Be3 Nde5 13. Qa4 Rd8 14. Rfc1 Nd4 15. b4 Ng4 16. Bxd4 Rxd4 17. a3
Bg5 18. Rc2 cxb4 19. Nb5 Qd8 20. Bxb7 Qf6 21. Rf1 Qh6 22. h4 Bxh4 23. Nxd4 Bxg3
24. Nf3 Qh3 25. fxg3 Qxg3+ 26. Kh1 Qh3+ 27. Kg1 Qg3+ 28. Kh1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Lima, Carlos Eduardo A"]
[Black "Rocha, Matheus Eugenio"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Nf3 Ngf6 7. Bg5 Be7 8.
Ng3 ({RR} 8. Nxf6+ Bxf6 9. Bxf6 Qxf6 10. O-O O-O 11. c3 e5 12. dxe5 Nxe5 13.
Nxe5 Qxe5 14. Re1 Qc5 15. Bd3 Be6 16. Qf3 Rad8 17. a3 a5 18. Rad1 Qg5 19. Bc2
h6 20. Qe4 g6 21. Qe5 Rxd1 22. Bxd1 Qxe5 {Egoroff,J (2351)-Dimitrovisk (2365)
lichess.org 2021 0-1 (59)}) 8... O-O 9. O-O b6 10. Re1 Bb7 $146 ({RR} 10... Re8
11. c3 Bb7 12. Qc2 Qc7 13. h4 h6 14. Bd2 Bd6 15. Ne4 Nxe4 16. Qxe4 c5 17. Qe3
Rad8 18. Rad1 Nf6 19. Bb5 Rf8 {0-1 (19) Ehiagwina,E-Edoigiawerie,N Benin City
2014}) 11. c3 c5 12. dxc5 Nxc5 13. Qe2 Nd5 14. Be3 Nxe3 15. Qxe3 Qc7 16. Rad1
Rfd8 17. Rxd8+ Rxd8 18. b4 Na4 19. Ne5 Bf6 20. Nxf7 Qc6 21. f3 Kxf7 22. Bxe6+
Kf8 23. Bb3 Nxc3 24. Qf4 Qd6 25. Qf5 g6 26. Qh3 Kg7 27. Kh1 Bc8 28. Nh5+ Kh8
29. g4 Qd2 30. Rg1 Bd4 31. Qh4 Bxg1 32. Qf6# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Lima, Lucas Taveira"]
[Black "Timossi, Lucas Jose"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Bf5 7. d3 Nc6 8. Rb1
Ne8 $146 ({RR} 8... Qc8 9. Re1 e5 10. b4 e4 11. b5 exf3 12. bxc6 fxe2 13. Qxe2
bxc6 14. Bxc6 Rb8 15. Bg5 Rxb1 16. Rxb1 Qe6 17. Qd2 Qe5 18. d4 Qe6 19. d5 Qe5
20. Re1 Ne4 21. Nxe4 Bxe4 22. f3 Qd4+ 23. Qxd4 {Schneider,L (2455)-Josefsson,K
Karlskrona 1983 1-0 (49)}) ({RR} 8... Qc8 9. b4 e5 10. b5 Ne7 11. e4 Bg4 12.
Qc2 Kh8 13. a4 c5 14. Bg5 Nfg8 {1/2-1/2 (14) Hernandez,G (2520)-Garcia,G (2510)
San Salvador 1998}) ({RR} 8... a5 9. a3 Qd7 10. Re1 e5 11. Bg5 h6 12. Bxf6 Bxf6
13. b4 axb4 14. axb4 Bg7 15. b5 Nd4 16. Nd2 Ra3 17. Qc1 Rxc3 18. Qxc3 e4 19.
Qa5 b6 20. Qa7 exd3 21. e3 Ne2+ 22. Kf1 Bc3 23. Red1 {Wahedi,A (2281)-Feldmann,
J (2198) Germany GER 2020 1-0 (43)}) 9. b4 Bxc3 10. e4 Bg4 11. Qc2 Bxf3 12.
Bxf3 Bxb4 13. Bh6 Ng7 14. Rxb4 Nxb4 15. Qb2 e5 16. Qxb4 Qf6 17. Bg2 Rfb8 18. f4
Qe6 19. fxe5 Qxe5 20. Qd2 b5 21. Qf2 bxc4 22. Qxf7+ Kh8 23. dxc4 Nh5 24. Qxc7
Rc8 25. Qb7 Rcb8 26. Qc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Luz, Arthur Nader"]
[Black "Nunes, Gustavo Morais"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Bd6 5. Nbd2 Bxf4 6. exf4 Qd6 7. g3 b6 8. c3
O-O 9. Ne5 ({RR} 9. Bd3 Ba6 10. Bxa6 Nxa6 11. Qe2 Nb8 12. Ne5 c5 13. Ndf3 Ne4
14. O-O f6 15. Ng4 Nc6 16. dxc5 bxc5 17. Rad1 f5 18. Nge5 Rab8 19. c4 Nxe5 20.
Nxe5 Rfd8 21. Rfe1 Qa6 22. f3 Nf6 23. b3 Rbc8 {Carlsen,M (2870)-Anand,V (2757)
Kolkata IND 2019 1-0 (51)}) ({RR} 9. h4 c5 10. h5 h6 11. Bd3 Ba6 12. Bxa6 Nxa6
13. Qe2 Nb8 14. a3 Nc6 15. Kf1 cxd4 16. cxd4 Ne7 17. Kg2 Rac8 18. Rac1 Qb8 19.
Ne5 Rxc1 20. Rxc1 Rc8 21. Nb3 Rxc1 22. Nxc1 Qc7 23. Qd1 Nf5 {Banh Gia Huy 
(2396)-De Silva,L (2394) Al Ain UAE 2023 1/2-1/2 (33)}) 9... c5 10. Qa4 $146 ({
RR} 10. Ndf3 cxd4 11. Qxd4 Ne4 12. Bd3 Nc5 13. Bc2 Ba6 14. Ng5 f5 15. b4 Ncd7
16. a4 h6 17. Ngf3 Nxe5 18. Nxe5 Nd7 19. Kd2 Nxe5 20. fxe5 Qe7 21. b5 Bb7 22.
Bb3 Rac8 23. f4 Rc5 24. Rhc1 Qf7 {Fritsch,J (1796)-Brunk,K (1937) Wingst 2000
0-1 (43)}) 10... Bb7 11. Bd3 Nc6 12. a3 cxd4 13. cxd4 a6 14. Nxc6 Bxc6 15. Qb3
Bb7 16. O-O Rfc8 17. Rfe1 Nd7 18. Rad1 Rc7 19. Bb1 a5 20. Qf3 b5 21. Qh5 g6 22.
Qg5 b4 23. a4 Bc6 24. h4 Bxa4 25. b3 Bb5 26. h5 Nf8 27. Qh6 Be8 28. hxg6 fxg6
29. Kg2 Qe7 30. Qh3 Qf6 31. Nf3 Rc3 32. Ng5 Ra6 33. Re5 Rxb3 34. Ba2 Rc3 35.
Bxd5 exd5 36. Rxe8 Rc7 37. Rc1 Re7 38. Rb8 Qf5 39. Qh6 a4 40. Re1 Raa7 41. Rxe7
Rxe7 42. Rxb4 Qd7 43. f5 gxf5 44. Qa6 f4 45. Nf3 fxg3 46. Ne5 Qf5 47. fxg3 Qe4+
48. Kf1 Rxe5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Messias, Jose Vitor"]
[Black "Paniago, Lucio"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Bd3 Be7 7. Qd2 $146 ({
RR} 7. Ng3 O-O 8. Nf3 b6 9. h4 Bb7 10. Ne5 c5 11. c3 cxd4 12. cxd4 Bb4+ 13. Bd2
Bxd2+ 14. Qxd2 Rc8 15. Nxd7 Qxd7 16. Rd1 Qd5 17. f3 Qxa2 18. h5 Qd5 19. Qf4 h6
20. Ne4 Nxe4 21. Bxe4 Qa5+ {Kraft,P (1850)-Sagstrom,S (1670) Hallstahammar
1997 1/2-1/2 (35)}) ({RR} 7. Bxf6 Nxf6 8. Nxf6+ Bxf6 9. Nf3 c5 10. Bb5+ Bd7 11.
Bxd7+ Qxd7 12. dxc5 Qc6 13. c3 Qxc5 14. Qa4+ Qc6 15. Qxc6+ bxc6 {1/2-1/2 (15)
Korzubov,P (2470)-Chernin,A (2475) Copenhagen 1984}) ({RR} 7. Qe2 b6 8. Nf3 Bb7
9. Bxf6 Nxf6 10. O-O-O O-O 11. Nxf6+ Bxf6 12. h4 Bxf3 13. Qxf3 Qd6 14. g4 Rfd8
15. Kb1 c5 16. g5 Be7 17. Be4 Rac8 18. d5 e5 19. Rdg1 Bf8 20. h5 Rc7 21. g6
fxg6 {Podgorski,M (1997)-Dunalewicz,P (1879) Warsaw POL 2022 1-0}) 7... O-O 8.
O-O-O Nxe4 9. Bxe7 Nxd2 10. Bxd8 Nb3+ 11. axb3 Rxd8 12. Nf3 Nf6 13. Ne5 Bd7 14.
g4 Nd5 15. c3 Ne7 16. h4 h6 17. Nxd7 Rxd7 18. Rde1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Molina, Roberto Junio"]
[Black "Gauche, Charles"]
[Result "1/2-1/2"]
[ECO "E97"]
[PlyCount "19"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. b4 a5 10. bxa5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Moreira, Cleber Naief"]
[Black "Lima da Silva, Fabio"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Bg7 5. Nf3 d6 6. Nc3 Nf6 7. Bd3 O-O 8. O-O
Nc6 9. h3 Nd7 10. Be3 ({RR} 10. Re1 Nxd4 11. Nxd4 Bxd4 12. Bh6 Bg7 13. Bxg7
Kxg7 14. Bc2 Nf6 15. Qd4 Be6 16. Rad1 Qa5 17. a3 Qb6 18. Qxb6 axb6 19. f3 Rfc8
20. Bd3 Nd7 21. Rc1 Kf8 22. Bf1 Nc5 23. Nb5 Nb3 24. Rxc8+ Rxc8 {Von Herman,B 
(1991)-Garifullina,L (2399) chess.com INT 2021 0-1 (44)}) 10... e6 ({RR} 10...
e5 11. Bc4 Nb6 12. Bb5 exd4 13. Nxd4 Bd7 14. Nde2 a6 15. Bxc6 Bxc6 16. Bd4 Bh6
17. Qd3 Re8 18. Rad1 Nd7 19. Qg3 Bxe4 20. Nxe4 Rxe4 21. Nc3 Re6 22. f4 Re8 23.
Nd5 Bg7 24. Bxg7 Kxg7 25. Qc3+ {Bellini,F (2501)-Kharlov,A (2619) Amsterdam
2005 1/2-1/2 (42)}) 11. Rc1 a6 12. a4 $146 ({RR} 12. Qe2 Ne7 13. Nh2 e5 14.
dxe5 Nxe5 15. f4 Nxd3 16. Qxd3 d5 17. Rfd1 Be6 18. Bc5 Re8 19. exd5 Bf5 20. Qd2
Rc8 21. Bd4 Rc4 22. Bxg7 Kxg7 23. b3 Qb6+ 24. Kh1 Rcc8 25. d6 Rcd8 26. Qb2 Kg8
{Arngrimsson,D (2295)-Pirisi,G (2295) Budapest 2004 1-0}) 12... Qa5 13. Qd2 e5
14. Bb1 Nxd4 15. Nxd4 exd4 16. Bxd4 Bxd4 17. Qxd4 Qg5 18. Qxd6 Qe5 19. Qd2 Nc5
20. Qe3 Nb3 21. Rcd1 Be6 22. Qb6 Qg5 23. Kh1 Nd2 24. f4 Nc4 25. Qxe6 Qc5 26.
Qd5 Qc7 27. Qg5 Ne3 28. Nd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Mota, Romulo Cardoso"]
[Black "Monteiro, Marcos Paulo"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 e6 8. Nf4
Bh7 9. Bc4 Nf6 10. O-O Bd6 11. Re1 O-O 12. c3 Nd5 13. Bxd5 Bxf4 14. Bxf4 cxd5
15. Qg4 Qf6 16. Re3 $146 ({RR} 16. Be5 Qg6 17. Qf3 Nd7 18. Nh5 Nxe5 19. Rxe5
Rae8 20. Rae1 Qc2 21. Qg3 Bg6 22. R5e2 Qf5 23. Nf4 Bh7 24. Re5 Qf6 25. Nxd5 Qg6
26. Qxg6 Bxg6 27. Nc7 Rc8 28. Nb5 Bd3 29. R1e3 Bxb5 30. Rxb5 Rc7 {Reck,J (1653)
-Mayer,H (1900) Berlin 2016 1-0 (60)}) 16... Nc6 17. Nh5 Qg6 18. Qe2 Qc2 19.
Qxc2 Bxc2 20. Rg3 Bg6 21. Nxg7 Kh7 22. Re1 Rg8 23. Nxe6 fxe6 24. Rxe6 Rae8 25.
Rgxg6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Nemeth Jr, Henrique"]
[Black "Lima, Darcy Gustavo"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. e3 Nf6 5. d4 O-O 6. d5 d6 7. Be2 e6 8. e4 exd5
9. exd5 Bf5 10. O-O Ne4 11. Nxe4 Bxe4 12. Ng5 ({RR} 12. Bd3 Bxf3 13. Qxf3 Nd7
14. Rb1 Re8 15. a3 Ne5 16. Qd1 Qh4 17. b3 f5 18. Be2 Nd7 19. Bb2 Bxb2 20. Rxb2
Re7 21. Qd2 Rae8 22. g3 Qf6 23. Bf3 Ne5 24. Bg2 f4 25. gxf4 Nd3 26. Qxd3 Qxb2 {
Reis,T (2196)-Krause,J (2395) Munich GER 2023 0-1 (43)}) 12... Bf5 13. g4 $146
({RR} 13. Bd3 h6 14. Bxf5 hxg5 15. Bc2 f5 16. g4 f4 17. Bxg6 Nd7 18. Bf5 Rxf5
19. gxf5 Qf6 20. Qc2 Ne5 21. f3 b5 22. cxb5 Qf7 23. Bd2 g4 24. fxg4 Qxd5 25.
Bxf4 Nd3 26. Qg2 Qd4+ 27. Kh1 Re8 {Pacher,M (2415)-Lizak,P (2433) Kisujszallas
HUN 2021 1-0 (33)}) 13... Bc8 14. Bf4 Nd7 15. Qd3 Ne5 16. Qh3 h6 17. Bxe5 hxg5
18. Bc3 Bd7 19. Rae1 Re8 20. f4 Bxc3 21. bxc3 Re4 22. Bd3 Rxe1 23. Rxe1 gxf4
24. Qh6 Qf6 25. Rf1 Re8 26. Rxf4 Qxc3 27. Rxf7 Kxf7 28. Bxg6+ Ke7 29. Bxe8 Qd4+
30. Kf1 Qxc4+ 31. Kf2 Qd4+ 32. Kf1 Kxe8 33. Qxd6 Bb5+ 34. Kg2 Qd2+ 35. Kg3 Qe3+
36. Kh4 Qe7+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Araujo, Everson"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Qc7 6. Nb5 ({RR} 6. Nxc6 bxc6
7. Bd3 Nf6 8. O-O h5 9. h4 Bc5 10. Kg2 Rb8 11. Nc3 a5 12. e5 Ng4 13. Ne4 Be7
14. f4 Rxb2 15. Nf2 Nxf2 16. Rxf2 Rb8 17. Be3 c5 18. Be4 Bb7 19. Bxb7 Qxb7+ 20.
Kh2 Qc7 {Hasala,R (1750)-Pagan,J (2042) Reykjavik ISL 2023 0-1 (38)}) 6... Qb8
7. Bf4 e5 8. Be3 a6 $146 ({RR} 8... Nf6 9. Bg2 d6 10. Bg5 Nd7 11. N1c3 a6 12.
Na3 b5 13. Nd5 Be7 14. Nxe7 Nxe7 15. Qd2 h6 16. Bxe7 Kxe7 17. O-O-O Qc7 18. Kb1
Bb7 19. c4 Nc5 20. Rhe1 Bc6 21. f4 f6 22. Nc2 Rhd8 23. Ne3 {Wen Yang (2586)
-Zarubitski,V (2435) Qingdao CHN 2019 1-0 (41)}) 9. N5c3 Nf6 10. Bb6 d6 11. Na3
Be7 12. Nc4 Be6 13. Nd5 Bxd5 14. exd5 Na7 15. a4 O-O 16. a5 Qc8 17. Ra4 Qf5 18.
Ne3 Qd7 19. Rb4 Nc8 20. Nc4 Qf5 21. Bg2 Nxb6 22. Nxb6 Rad8 23. h4 Qg6 24. Bh3
h5 25. Qe2 Rb8 26. O-O Bd8 27. Rd1 Bxb6 28. axb6 Rbe8 29. c4 e4 30. Rb3 Re5 31.
Re3 Nh7 32. Kh2 f5 33. Re1 Nf6 34. b4 Qh6 35. Rc3 f4 36. Be6+ Kh8 37. c5 e3 38.
f3 fxg3+ 39. Kg2 dxc5 40. Rxe3 Nxd5 41. Bxd5 Rxd5 42. bxc5 Rxc5 43. Re6 Qf4 44.
Re4 Qf6 45. Rd1 Rf5 46. Rd3 Qxb6 47. Kxg3 Qg1+ 48. Kh3 R8f6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Oliveira, Joao Victor"]
[Black "Silva, Afranio Marcio"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bd6 5. d3 h6 ({RR} 5... Na5 6. Nb5 Be7 7.
Nxe5 d6 8. Nf3 O-O 9. O-O c6 10. b4 Nxc4 11. dxc4 cxb5 12. c5 Nxe4 13. Qd5 Nf6
14. Qd4 Bg4 15. Nh4 Rc8 16. Bd2 b6 17. Rfe1 bxc5 18. bxc5 Rxc5 19. Bb4 Rxc2 20.
h3 {Brito,P-Raneen Altahrawi Tornelo INT 2021 1-0}) 6. O-O $146 ({RR} 6. Be3
O-O 7. O-O Re8 8. Ne2 Bf8 9. c3 d5 10. exd5 Nxd5 11. Qb3 Be6 12. Qxb7 Na5 13.
Qb5 Nxc4 14. dxc4 Nxe3 15. fxe3 Bd7 16. Qb3 Rb8 17. Qd1 Rxb2 18. Rf2 Bc5 19.
Qc1 Rb6 20. Qc2 Bxe3 {Novak,E (806)-Wolf,E (800) St Veit 2016 0-1 (37)}) 6...
Na5 7. b3 Nxc4 8. bxc4 a6 9. Re1 c5 10. Qd2 O-O 11. Nh4 Ng4 12. Nf5 Be7 13. h3
Bg5 14. Ne3 Nxe3 15. fxe3 d6 16. Nd5 Be6 17. Qf2 Bxd5 18. exd5 f5 19. Qg3 Bh4
20. Qf3 Bxe1 21. g3 Qg5 22. Kg2 e4 23. dxe4 fxe4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Oliveira, Leonardo Tadeu"]
[Black "Soares, Renan"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "106"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Nbd7 9. O-O-O Qc7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. Bh3 b4 15.
Nce2 e5 16. f6 exd4 17. fxe7 Bxh3 $146 ({RR} 17... d3 18. Nd4 dxc2 19. Rd2 Be6
20. Nf5 Bxf5 21. exf5 Rb8 22. Rxc2 Kxe7 23. f6+ Kf8 24. fxg7+ Kxg7 25. Qf6+ Kg8
26. Re1 Rf8 27. Bg2 Nd3+ 28. Kb1 Qxc2+ 29. Kxc2 Nxe1+ 30. Kd2 Nxg2 31. Qf2 Re8
32. Qxg2 {Janotta,S-Beltz,F Willingen 2001 1/2-1/2 (58)}) 18. Qxh3 d3 19. Nd4
b3 20. axb3 Nxb3+ 21. Kb1 Nxd4 22. Qxd3 Ne6 23. Qd5 Rc8 24. Rd2 Kxe7 25. Rf1
Qc5 26. Qb7+ Rc7 27. Qb3 Qxg5 28. Rd5 Qg6 29. e5 Rd8 30. Rfd1 Rcd7 31. Qb4 Ke8
32. exd6 Rc8 33. Qa4 Qg2 34. h4 Qe2 35. R5d2 Qc4 36. Qa3 Rc5 37. Qf3 Ra5 38. b3
Qc5 39. Rd5 Qc3 40. Rxa5 Qxa5 41. Qa8+ Rd8 42. Qc6+ Kf8 43. Rd5 Qe1+ 44. Ka2
Qf2 45. Ka3 Nd4 46. Qc7 Nxc2+ 47. Kb2 Nd4+ 48. Ka3 Ne6 49. Qe7+ Kg8 50. d7 Qf6
51. Qd6 Nf4 52. Qxf6 gxf6 53. Rd6 Kg7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Oliveira, Renato Sena"]
[Black "Pimentel, Lucas Santos"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng5 e6 ({RR} 5... Bg6 6. h4 h6 7.
N1f3 Nf6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Nbd7 12. O-O-O Be7 13. Kb1
c5 14. Ne4 O-O 15. dxc5 Nxc5 16. Nxc5 Bxc5 17. Qe2 Qb6 18. Ne5 Rac8 19. f4 Bd4
20. c3 {Mrdja,M (2410)-Efimov,I (2494) Salsomaggiore Terme 1999 0-1}) 6. Bd3
$146 ({RR} 6. Bc4 Be7 7. N5f3 Nf6 8. Ne2 Bg4 9. Ng3 O-O 10. O-O Bxf3 11. Qxf3
Qxd4 12. Bd3 Nbd7 13. Be3 Qh4 14. h3 Ne5 15. Qe2 Nxd3 16. Qxd3 Rfd8 17. Qb3 b6
18. Rad1 Nd5 19. Bd4 c5 20. Bc3 Nxc3 {Krupa,B (1901)-Gadeo Colomina,F (2079)
playchess.com INT 2004 1/2-1/2 (47)}) ({RR} 6. g4 Bg6 7. h4 h5 8. gxh5 Bxh5 9.
Qd3 Ne7 10. N5f3 Nd7 11. Bg5 Bg6 12. Qb3 Qb6 13. O-O-O Qxb3 14. axb3 f6 15. Bd2
Kf7 16. Re1 Bf5 17. Bg2 Nd5 18. Ne2 Nb4 19. Bxb4 Bxb4 20. Nd2 Rae8 {Jonsson,M 
(2196)-Eriksson,A (2182) Sweden SWE 2023 1/2-1/2 (44)}) 6... Qxd4 7. N1f3 Qd5
8. Bd2 Bxd3 9. cxd3 Qxd3 10. Nxf7 Qe4+ 11. Kf1 Qd3+ 12. Kg1 Nf6 13. Nxh8 Na6
14. Nf7 Qf5 15. N3e5 Nd5 16. Rc1 Bc5 17. Qf3 Qxf3 18. gxf3 Ndb4 19. Bxb4 Bxb4
20. Rd1 Ba5 21. Nd6+ Kf8 22. Nxb7 Bb6 23. Nd7+ Ke7 24. Ne5 Rc8 25. Rd7+ Kf6 26.
f4 Kf5 27. Nd6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Oliveira, Silvio Eduardo"]
[Black "Nascimento, Christian"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nh6 7. h3 ({RR} 7.
Nc3 O-O 8. Be2 f5 9. Nxc6 dxc6 10. Qc1 Ng4 11. Bxg4 fxg4 12. O-O Be6 13. c5 Qa5
14. Qc2 Rad8 15. Rfd1 Qb4 16. Rd2 Rxd2 17. Qxd2 Bxc3 18. Qxc3 Qxe4 19. Bh6 Rf6
20. Re1 Qf5 21. Qd2 Qd5 {Barrientos,E (1934)-Caetano,H (2166) Florianópolis -
Santa Catari 2023 1-0}) 7... O-O ({RR} 7... Qa5+ 8. Nc3 f5 9. exf5 Nxf5 10.
Nxf5 Qxf5 11. Rc1 d6 12. Bd3 Qa5 13. O-O O-O 14. Re1 Bf5 15. Bxf5 Rxf5 16. Qd2
Rf7 17. b3 Rd8 18. Re2 b6 19. Nd5 Qxd2 20. Rxd2 e6 21. Nf4 Re7 22. Rcd1 {
Roiz,M (2652)-Shukh,N (2466) Dagomys 2010 1-0 (51)}) 8. Nxc6 dxc6 $146 ({RR} 
8... bxc6 9. Qd2 Rb8 10. Nc3 Qa5 11. Rc1 g5 12. c5 f5 13. Bc4+ e6 14. Bxg5 Nf7
15. Be3 Ne5 16. Be2 Ba6 17. f4 Bxe2 18. Qxe2 Rxb2 19. Bd2 Ng6 20. g3 Bxc3 21.
Rxc3 Rb1+ 22. Kf2 Rxh1 23. Kg2 {Kupreichik,V-Veresov,G Minsk (Belarus) 1969 0-1
}) 9. Qc1 Qa5+ 10. Nc3 Qh5 11. Be2 Bg4 12. f3 Be6 13. g4 Qe5 14. Bxh6 Qg3+ 15.
Kf1 Bxc4 16. Qf4 Bxe2+ 17. Nxe2 Qxf4 18. Bxf4 f5 19. gxf5 gxf5 20. e5 Rad8 21.
Rg1 Kf7 22. e6+ Kf6 23. Re1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Olivo, Anibal"]
[Black "Fontoura, Alexandre"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. e4 {Hansen,Cu} g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Nf3 ({RR} 5. h4) 5... b5
({RR} 5... Nf6 6. h3 b5 7. e5 Nfd7 8. exd6 exd6 9. Bd3) 6. Bd3 Nd7 ({RR} 6...
Bb7 7. a4 b4 8. Nd5 Nf6 ({RR} 8... a5 9. c3 e6 10. Nf4 Nf6 ({RR} 10... e5 11.
dxe5 dxe5 12. Nd5 Ne7 13. Bg5 Bxd5) 11. Qc2 Nbd7) 9. Nxf6+) 7. a3 ({RR} 7. e5
Bb7 ({RR} 7... e6 8. Bg5 Ne7 9. a4 bxa4 10. exd6 cxd6 11. Rxa4 O-O 12. O-O Bb7
13. Be4 d5 14. Bd3 f6 15. Bh4 Nf5) ({RR} 7... dxe5 8. Be4 Rb8 9. dxe5) 8. e6 ({
RR} 8. exd6 cxd6 9. O-O Ngf6) 8... fxe6 9. Ng5 Nf8 10. O-O ({RR} 10. Qe2) 10...
Nf6 ({RR} 10... e5 11. dxe5 Bxe5 12. Be4) 11. Re1 ({RR} 11. a4) 11... Qd7 12.
Bd2 ({RR} 12. a4 b4 13. Nce4 h6 14. Nxf6+ exf6) ({RR} 12. Qe2 h6 13. Nge4)
12... h6 13. Nf3 ({RR} 13. Nge4 Nxe4 14. Bxe4 d5 15. Bf3 Bxd4) 13... Rb8 ({RR} 
13... g5 14. a4 b4 15. Ne4 g4 16. Nh4) 14. a4 b4 15. Ne4 Nxe4 16. Bxe4 Bxe4 17.
Rxe4 Qc6 18. Re3 Qc4 ({RR} 18... Qd5 19. c3 b3 20. Qe2) ({RR} 18... g5 19. c3
bxc3 20. Bxc3 Qd5 21. Qd3 a5 22. Nd2) 19. c3 ({RR} 19. b3 Qd5) ({RR} 19. Rb3
Nd7 20. c3 O-O 21. cxb4 c6) 19... b3 20. Re1 ({RR} 20. Be1 g5 21. Nd2 Qd5 22.
Ra3 Ng6 23. Qh5 Qf5 24. Rf3 Qc2) 20... g5 ({RR} 20... Kf7 21. Be3 Nd7 22. Nd2
Qd5 23. c4 Qb7 24. Ra3) 21. Be3 Qd5 {Anand,V (2770)-Svidler,P (2690) Linares
1998 CBM 064 [Hansen,Cu] 1-0 (42)} ({RR} 21... Ng6 22. Nd2 Qd5 23. Ra3 Nh4 24.
f3 g4 25. Bf2)) ({RR} 7. e5 Bb7 8. e6 fxe6 9. Ng5 Nf8 10. O-O Nf6 11. a4 b4 12.
Na2 h6 13. Nf3 a5 14. c3 bxc3 15. bxc3 Be4 16. Bxe4 Nxe4 17. Qd3 Nf6 18. c4 Kf7
19. Rae1 Qd7 20. Nc3 Rb8 21. Bd2 Kg8 {Assylov,M (2268)-Movsziszian,K (2435)
Sant Boi ESP 2023 0-1 (37)}) 7... Bb7 8. Qd2 c5 9. d5 $146 ({RR} 9. O-O cxd4
10. Nxd4 Ngf6 11. Bh6 O-O 12. Bxg7 Kxg7 13. Qg5 e6 14. Rad1 Qb6 15. Nf3 h6 16.
Qg3 Rac8 17. Be2 Rxc3 18. bxc3 Nxe4 19. Qf4 Nxc3 20. Rd2 Nf6 21. Re1 Nfe4 22.
Bd3 Nxd2 23. Nxd2 Qc5 {Velcheva,M (2281)-Dzhumaev,M (2512) Dubai 2004 0-1})
9... Nb6 10. Rb1 h5 11. O-O Nf6 12. h3 Bc8 13. b3 Nfd7 14. Nh2 Ne5 15. f4 Nxd3
16. cxd3 f5 17. Nf3 e6 18. dxe6 Bxe6 19. Ng5 Qf6 20. exf5 Bxf5 21. Ne2 Nd5 22.
Ng3 O-O 23. Nxf5 Qxf5 24. Kh1 Rae8 25. Rbe1 Bc3 26. Qf2 Bxe1 27. Rxe1 Qxd3 28.
Bd2 Qf5 29. Re2 Qb1+ 30. Kh2 Qf5 31. Qe1 Rxe2 32. Qxe2 Nxf4 33. Qe7 Rf6 34.
Qe8+ Kg7 35. Qe7+ Kg8 36. Qe8+ Rf8 37. Qe7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Panazzolo, Paulo"]
[Black "Santos, Clecio Franca"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6 7. h3 e5 8. d5
Ne7 9. Be3 Ne8 ({RR} 9... Nh5 10. Re1 h6 11. Nd2 Nf4 12. Bf1 f5 13. a4 g5 14.
a5 a6 15. exf5 Nxf5 16. Nde4 Qe8 17. Ne2 Qg6 18. N2g3 Nh4 19. c4 g4 20. hxg4
Bxg4 21. f3 Nfxg2 22. fxg4 Nxe1 23. Bh3 Nef3+ 24. Kh1 {Xu,Y (2507)-Bachmann,A 
(2595) chess.com INT 2022 0-1 (38)}) ({RR} 9... h6 10. Nd2 Kh7 11. b4 Ne8 12.
g4 f5 13. gxf5 gxf5 14. exf5 Bxf5 15. Bg4 Qd7 16. Nde4 Ng6 17. Bxf5 Qxf5 18.
Qg4 Nf4 19. Qxf5+ Rxf5 20. Kh2 Rf7 21. Nb5 a6 22. Na3 Nf6 23. Nxf6+ Rxf6 24. c4
{Glashausser,S (1978)-Skaric,D (2334) chess.com INT 2023 0-1}) 10. Qd2 f5 11.
Bg5 f4 $146 ({RR} 11... Nf6 12. Bd3 f4 13. Nh2 h6 14. Bxf6 Bxf6 15. f3 Bh4 16.
Ne2 Kh7 17. Kh1 Ng8 18. c4 Nf6 19. b4 h5 20. c5 g5 21. Rfc1 g4 22. Nxf4 Bg5 23.
g3 Kg8 24. hxg4 hxg4 25. Kg2 exf4 26. gxf4 {Lorinczy,L (1978)-Nagy,T (1897)
Hungary 2010 0-1 (31)}) 12. Kh2 h6 13. Bxe7 Qxe7 14. g3 g5 15. Ng1 Qf7 16. g4
h5 17. f3 Nf6 18. Na4 Qg6 19. c4 Kf7 20. Kg2 Qh6 21. Rf2 hxg4 22. hxg4 Bxg4 23.
fxg4 Nxe4 24. Qc2 Ng3 25. Rf3 Qh1+ 26. Kf2 Qh2+ 27. Ke1 Qxg1+ 28. Rf1 Nxf1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Peixoto, Rudson"]
[Black "Jenidarchiche, Douglas"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. c4 Nb6 8. Qd1
({RR} 8. Qb3 d6 9. exd6 Qxd6 10. Be3 Bg7 11. c5 Qf6 12. Nc3 Nd7 13. Nd5 Qxb2
14. Qxb2 Bxb2 15. Rb1 Ba3 16. Nc7+ Kd8 17. Nxa8 Bxc5 18. Bxc5 Nxc5 19. Bc4 f6
20. O-O Bf5 21. Rb5 b6 22. Bd5 Kd7 {Galkin,A (2598)-Savchenko,B (2484)
chessassistantclub.com INT 2004 0-1 (48)}) ({RR} 8. Qb3 d6 9. exd6 Qxd6 10. a3
Bg7 11. Be3 Nd7 12. Nc3 Nc5 13. Bxc5 Qxc5 14. Be2 O-O 15. O-O Bxc3 16. Qxc3 b6
17. b4 Qf5 18. Bd3 Qf4 19. Rfe1 Be6 20. Re4 Qf6 21. Qxf6 exf6 22. Rc1 Rfd8 {
Mariano,M (2089)-Matos,A (1871) Florianópolis - Santa Catari 2023 1-0 (32)})
8... e6 9. Nc3 d5 10. exd6 $146 ({RR} 10. Bg5 Be7 11. Bxe7 Nxe7 12. c5 Nd7 13.
b4 O-O 14. Bb5 Qc7 15. Bxd7 Bxd7 16. O-O b6 17. Qd4 bxc5 18. bxc5 Nf5 19. Qf4
h5 20. Rfc1 Bc6 21. h3 Kg7 22. g4 hxg4 23. hxg4 Nh6 24. Qf6+ Kg8 {Busic,N 
(1982)-Mann,K (2102) Magdeburg 2015 1-0 (38)}) 10... Qxd6 11. Bd2 a6 12. Ne4
Qe7 13. c5 Nd5 14. Nd6+ Kd7 15. Bc4 Bg7 16. O-O b6 17. Bxd5 exd5 18. Re1 Qf6
19. Bg5 Qxb2 20. Qxd5 Kc7 21. cxb6+ Qxb6 22. Nxc8 Kxc8 23. Rac1 Kb7 24. Re7+
Kb8 25. Qd6+ Kc8 26. Rxc6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Pereira, Geanfrancesco"]
[Black "Filgueiras, Nathan"]
[Result "0-1"]
[ECO "C28"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Bc5 5. f4 Bxg1 6. Rxg1 d5 7. Nxd5 Nxd5 8.
Bxd5 Nd4 ({RR} 8... Qh4+ 9. Kf1 Bg4 10. Qe1 Qxh2 11. Bxc6+ bxc6 12. Qf2 O-O 13.
f5 Qh5 14. Bd2 Rab8 15. Bc3 f6 16. Qxa7 g6 17. Kf2 gxf5 18. Rh1 Qg5 19. Qe3 f4
20. Qd2 Bh5 21. Rh3 Bg4 22. Rh2 f5 23. exf5 {Garrido Diaz,J (2291)-Mejias
Nunez,R (2022) chess.com INT 2023 0-1 (37)}) 9. Qh5 O-O 10. Kd2 exf4 $146 ({RR
} 10... c6 11. Qxe5 Qb6 12. Rf1 cxd5 13. Qxd5 Be6 14. Qg5 f6 15. Qh5 f5 16. e5
Qc6 {0-1 (16) Sazonova,E (2195)-Turova,I (2381) Salekhard 2008}) 11. c3 c6 12.
Bb3 Nxb3+ 13. axb3 Qb6 14. Rf1 Qxb3 15. Rxf4 Be6 16. Rh4 h6 17. Ra5 Qb6 18. Qc5
Qd8 19. Qh5 f5 20. Ke2 Bf7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Peres, Wallafe"]
[Black "do Nascimento, Maycon"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. b4 e5 2. b5 Nf6 3. Bb2 ({RR} 3. c4 d5 4. Bb2 d4 5. Nf3 Bd6 6. e3 c5 7. bxc6
Nxc6 8. exd4 exd4 9. Nxd4 Nxd4 10. Bxd4 Bxh2 11. Bb2 Bc7 12. Qf3 Bg4 13. Bxf6
Qxf6 14. Qxf6 gxf6 15. Nc3 O-O-O 16. f3 Bg3+ 17. Kd1 Be5 {Shkuroder (2145)
-wagnerovsky (2297) lichess.org 2020 0-1 (55)}) 3... d6 4. Nf3 ({RR} 4. g3 Be6
5. Bg2 Be7 6. Bxb7 Nbd7 7. Bxa8 Qxa8 8. Nf3 O-O 9. d3 e4 10. dxe4 Nxe4 11. Nbd2
Bh3 12. Nxe4 Qxe4 13. Qd4 Qg6 14. Qd3 Bf5 15. Qe3 Bf6 16. Bxf6 Qxf6 17. O-O Nc5
18. c4 Bd7 {Mclung,G-Perez Pertuz,C (1879) lichess.org INT 2022 1-0 (33)}) 4...
c6 $146 ({RR} 4... Bg4 5. Nc3 g6 6. h3 Bxf3 7. exf3 Bg7 8. f4 O-O 9. f5 d5 10.
Qf3 e4 11. Qf4 d4 12. Na4 a6 13. Nc5 axb5 14. Bxb5 Qe7 15. Nb3 c6 16. Bf1 d3
17. c3 Nd5 18. Qg4 Nd7 19. h4 {Leon Manas,J (1697)-Rocandio Sanchez,R Las
Palmas 2011 0-1}) 5. c4 a6 6. a4 axb5 7. cxb5 cxb5 8. axb5 Ra5 9. Nc3 Bd7 10.
e3 Qb6 11. Rxa5 Qxa5 12. Bc4 Be7 13. Qb3 d5 14. Nxd5 Nxd5 15. Bxd5 Qxb5 16.
Bxf7+ Kd8 17. Nxe5 Bf6 18. f4 Qxb3 19. Bxb3 Bb5 20. Nf7+ Kd7 21. Nxh8 Bxb2 22.
Kf2 g6 23. Bg8 Bxh8 24. Bxh7 Bd3 25. h4 Nc6 26. h5 Ne7 27. hxg6 Bxg6 28. Bxg6
Bf6 29. Be4 b6 30. g4 Nc6 31. g5 Bd8 32. g6 Kc7 33. Bxc6 Kxc6 34. g7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Pessoa, Marcio"]
[Black "Serafim, Paulo Rogerio"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Bb3 b5 $146 ({RR} 4... d6 5. d3 Be7 6. O-O Nf6
7. Bg5 Bd7 8. Nbd2 O-O 9. c3 Rc8 10. Re1 e5 11. Rb1 b5 12. Bxf6 Bxf6 13. Bd5
Bg4 14. a4 b4 15. h3 Bd7 16. Nc4 Be7 17. Qd2 Na5 18. Nxa5 Qxa5 19. cxb4 {
Harrison,L-Filipini,G Matinhos 1999 1/2-1/2 (43)}) ({RR} 4... a6 5. c3 d5 6. e5
Nge7 7. d4 Nf5 8. Be3 cxd4 9. cxd4 Be7 10. O-O h6 11. Nc3 Bd7 12. Ne2 Rc8 13.
Rc1 O-O 14. Bc2 Nb4 15. Bb1 Bb5 16. Re1 Bxe2 17. Qxe2 Qb6 18. a3 Nc6 19. Bxf5 {
passanguan1 (2241)-Sunye Neto,J (2378) lichess.org 2020 0-1 (35)}) 5. c3 c4 6.
Bc2 d5 7. d4 dxe4 8. Bxe4 Bb7 9. O-O Be7 10. Na3 Nf6 11. Bc2 Bxa3 12. bxa3 Nd5
13. Bd2 a5 14. Rb1 Ba6 15. Re1 Qe7 16. Be4 Qd6 17. Qc2 Nf6 18. Bf5 O-O 19. Be4
Rfc8 20. Ng5 h6 21. Nh3 Qxa3 22. Re3 Qf8 23. Nf4 Ra7 24. Rg3 Ne7 25. Re1 Nxe4
26. Rxe4 Bb7 27. Re5 Nf5 28. Rg4 Bc6 29. Nh5 Kh8 30. Rxf5 exf5 31. Rxg7 Be4 32.
Qc1 Qxg7 33. Nxg7 Kxg7 34. Bxh6+ Kh7 35. f3 Bd5 36. Qf4 Be6 37. d5 Bd7 38. Qd4
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Piccoli, Lucas"]
[Black "Ferreira, Andrei"]
[Result "1-0"]
[ECO "B48"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 Bb4 8.
Nxc6 bxc6 9. Qd4 Be7 ({RR} 9... Bf8 10. Bg2 e5 11. Qa4 Nf6 12. Bf3 h5 13. gxh5
Nxh5 14. Rg1 Rb8 15. a3 Rxb2 16. O-O-O Rb8 17. Rg5 Nf4 18. Ne2 Ne6 19. Rg2 Qb7
20. Nc3 Qb2+ 21. Kd2 Qxa3 22. Qc4 Qb4 23. Qd3 Nc5 24. Bxc5 {Shturman,A (2076)
-Schuh,K (2133) chess.com INT 2023 0-1 (37)}) 10. g5 e5 11. Qd2 h6 $146 ({RR} 
11... Bb4 12. a3 Ba5 13. Bc5 d5 14. b4 Bb6 15. Bxb6 Qxb6 16. exd5 Ne7 17. dxc6
Qxc6 18. Rg1 Bb7 19. Bg2 Qc7 20. Bxb7 Qxb7 21. O-O-O O-O 22. Qd7 Qf3 23. Rg3
Qf4+ 24. Kb2 Ng6 25. f3 a5 26. b5 {Sole,M (1890)-Agibileg,U (2441) Tornelo INT
2022 0-1}) 12. gxh6 Nxh6 13. Rg1 Bf6 14. O-O-O Rb8 15. Bc5 d5 16. exd5 Bg4 17.
Be2 Bxe2 18. Qxe2 Qa5 19. Bd6 Rb7 20. dxc6 Ra7 21. Rd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Proudian, Armen"]
[Black "Barbosa, Marcio Jordao"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 {Knaak,R} e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7.
O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Be7 12. c3 O-O ({RR} 12...
e5 13. Nf3 Qxd1 14. Rxd1 e4 ({RR} 14... b5 15. Bb3 e4 16. Ne5) 15. Ne5 O-O ({RR
} 15... Rf8 16. Be3 Nd7 17. Nxd7 Bxd7 18. Bd4 g6 19. b4 Rc8 20. Bb3 f5 21. Bg7
Rf6 22. Bxf6 Bxf6 23. Rac1 Rxc3 24. Bd5 b6 25. Bg8 Rxc1 26. Rxc1 Be5 27. Bc4 ({
RR} 27. Bxh7 Kf7) 27... Bd6 28. Rb1 ({RR} 28. a3 a5) 28... Bc8 29. a3 a5 30.
bxa5) 16. Be3 ({RR} 16. Bg5 Bf5 17. Nd7 ({RR} 17. Bxf6 gxf6 18. Nd7 Rfd8 19.
Nb6 Rxd1+ 20. Rxd1 Rd8) 17... Rfd8 ({RR} 17... Bxd7 18. Bxf6 Bxf6 19. Rxd7 b5
20. Bb3 ({RR} 20. Bd5 Rad8 21. Rxd8 Rxd8 22. Bxe4 Rd2) 20... Rad8 21. Rad1 Rxd7
22. Rxd7) ({RR} 17... Nxd7 18. Bxe7 Rfe8 19. Bd6)) 16... Bf5 17. h3 Rac8 18.
Bb3 Be6 ({RR} 18... h6 19. g4 Bh7 20. h4) 19. Bxe6 fxe6 20. Nd7 ({RR} 20. Bd4)
20... Rfd8 21. Nb6 ({RR} 21. Ne5) 21... Rc6 22. c4 Rd3 23. Rxd3 exd3 24. Rd1
Bd8 25. Na4 Rxc4 26. Rxd3 Be7 27. Nc3 {Rublevsky,S (2645)-Beliavsky,A (2620)
Polanica Zdroj 1996 CBM 055 [Knaak,R] 1/2-1/2}) 13. Qf3 Qc5 14. Bb3 Qh5 ({RR} 
14... Bd6 15. Be3 Qc7 16. h3 e5 17. Nc2 e4 18. Qe2 h6 19. Bd4 Be5 20. Rad1 Bd7
21. Ne3 Bb5 22. Bc4 Ba4 23. Bxe5 Qxe5 24. Rd4 Bc6 25. Red1 Rae8 26. g3 Kh8 27.
Ng2 e3 28. Nxe3 Ne4 29. Kh2 {Alizadeh,A (2102)-Ozkan,T (2303) Ankara TUR 2023
0-1 (70)}) 15. Nf5 $146 ({RR} 15. Qg3 Rd8 16. Bf4 Qg4 17. Qxg4 Nxg4 18. h3 Nf6
19. Rad1 Bd7 20. Bc7 Rdc8 21. Be5 b5 22. g4 Rd8 23. f4 Kf8 24. f5 exf5 25. Nxf5
Bxf5 26. gxf5 Ne8 27. Bd5 Ra7 28. Bc6 Bc5+ 29. Kf1 Rxd1 {Mannion,S (2365)
-Rojas Keim,L (2355) Yerevan 1996 1/2-1/2 (64)}) 15... Bc5 16. Nh6+ Kh8 17.
Qxh5 Nxh5 18. Re5 b6 19. Rxh5 gxh6 20. Bxh6 Rg8 21. Bg5 Rg6 22. Bc2 f5 23. Rd1
Kg7 24. b4 Bf8 25. Rd8 a5 26. bxa5 bxa5 27. g4 Bc5 28. gxf5 exf5 29. Bxf5 Bxf5
30. Rxa8 Bg4 31. Bh6+ Kf7 32. Rg5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Quintiliano, Renato"]
[Black "Mekhitarian, Krikor"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. Bg2
c6 9. e4 d5 10. exd5 cxd5 11. Ne5 Bb7 12. O-O Nc6 13. Bf4 Rc8 14. Rc1 Ba3 ({RR
} 14... a6 15. cxd5 exd5 16. Bh3 Ra8 17. Re1 h6 18. Qd3 Ba3 19. Rcd1 Bb4 20.
Re2 Ne7 21. Rc2 b5 22. Ne2 Bc8 23. g4 Be6 24. g5 hxg5 25. Bxg5 Ne4 26. Nc6 Qd7
27. Ne5 Qb7 28. Bc1 Rac8 29. Bg2 {Ohanyan,E (2474)-Zhigalko,S (2572) chess.com
INT 2023 0-1 (41)}) 15. Rc2 a6 16. Bg5 $146 ({RR} 16. Na4 Re8 17. Bg5 Be7 18.
Re1 dxc4 19. bxc4 h6 20. Be3 Bb4 21. Rf1 Ba5 22. Qb1 Qc7 23. Nd3 Nxd4 24. Bxd4
Bxg2 25. Kxg2 Qc6+ 26. f3 Qxa4 27. Bxf6 gxf6 28. Rfc1 Red8 29. Nf2 f5 30. g4
Bd2 {Vidit,S (2692)-Zhigalko,S (2635) Khanty-Mansiysk 2017 1/2-1/2 (49)}) 16...
Be7 17. Re1 h6 18. Be3 Ba8 19. Nxc6 Bxc6 20. cxd5 exd5 21. Qd3 b5 22. Ne2 Bb7
23. Rec1 Rxc2 24. Rxc2 Bd6 25. Bf4 Re8 26. Bxd6 Qxd6 27. h3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Ribeiro, Matheus D"]
[Black "Aoyama, Edmundo"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "120"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. e4 c5 6. Nge2 Nc6 7. d3 O-O 8. O-O
a6 9. h3 Bd7 10. Be3 Rb8 11. a4 Nb4 12. d4 cxd4 13. Nxd4 Qc8 ({RR} 13... Rc8
14. b3 Nc6 15. Qd2 Re8 16. Rad1 Qa5 17. Nd5 Nxd5 18. exd5 Qxd2 19. Rxd2 Nxd4
20. Bxd4 b5 21. cxb5 axb5 22. a5 b4 23. Bxg7 Kxg7 24. Ra1 Rc3 25. Rb2 Ra8 26.
Bf1 Rc5 27. a6 Bb5 28. Bxb5 {Rodriguez Santiago,J (1986)-Melikyan,G (2238)
chess.com INT 2022 1-0 (51)}) 14. Kh2 Qxc4 15. Rc1 $146 ({RR} 15. Re1 Qc8 16.
Rc1 Qd8 17. f4 Nc6 18. Nd5 e6 19. Nb6 Nxd4 20. Bxd4 Bc6 21. a5 Ne8 22. Bxg7
Nxg7 23. Qd4 Qe7 24. Rcd1 Rfd8 25. Qb4 Qc7 26. Rd2 f5 27. Rc1 fxe4 28. Bxe4 d5
29. Bd3 Qd6 {Schmedders,H (2205)-Zeldin,V (2114) Germany 2010 1/2-1/2 (52)})
15... Na2 16. Nxa2 Qxa2 17. b3 Rfc8 18. Qd3 Qb2 19. f4 Bc6 20. Rf2 Qa3 21. Nc2
Qb2 22. Nb4 Qa3 23. Nc2 Qb2 24. Rd1 Nd7 25. Nd4 Qa3 26. e5 Nc5 27. Qb1 Bxg2 28.
Rxg2 dxe5 29. fxe5 Bxe5 30. Nf3 Bg7 31. Bf4 Ra8 32. Nd2 Qb4 33. Re2 Ne6 34. Re4
Qc5 35. Be3 Qc2 36. Rc4 Rxc4 37. bxc4 Qxa4 38. Qxb7 Qxd1 39. Qxa8+ Nf8 40. Qg2
h5 41. c5 h4 42. c6 hxg3+ 43. Qxg3 Qe2+ 44. Kg1 Ne6 45. Nf1 Qc4 46. Qf3 a5 47.
Nd2 Qd3 48. Bf4 Qc2 49. Qe4 Qc1+ 50. Kf2 Nxf4 51. Qxf4 Qxc6 52. Nf3 Bf6 53. Nd2
Qc5+ 54. Kf3 Qc3+ 55. Kg2 Be5 56. Qf2 Qd3 57. Nf3 Bf6 58. h4 Qd5 59. Qa7 Bxh4
60. Qa8+ Qxa8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Rocha, Vitor Firmo"]
[Black "do Carmo, Gabriel"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "89"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8.
Nf1 Bd6 9. Ne3 O-O 10. O-O Qg6 11. c4 Nf6 12. c5 Be7 13. Bb5 Bd7 14. Bxc6 Bxc6
15. Ne5 Qe8 16. a4 a5 ({RR} 16... b6 17. b4 bxc5 18. dxc5 Bd7 19. Qc2 c6 20.
Bb2 Bc8 21. Bd4 Rb8 22. Rfb1 a6 23. Qd3 Bd8 24. Rb2 Bc7 25. Rab1 Bb7 26. b5
axb5 27. axb5 cxb5 28. Rxb5 Ba6 29. Rxb8 Bxd3 30. Rxe8 Bxb1 31. Rxe6 {
Gloeckler,C (2332)-Kleeschaetzky,R (2243) Dinkelsbuehl GER 2023 1-0 (33)}) 17.
b3 b5 $146 ({RR} 17... b6 18. cxb6 cxb6 19. Ba3 Bxa3 20. Rxa3 b5 21. Ra1 bxa4
22. bxa4 Rb8 23. Qc2 Bd7 24. Rfb1 Rxb1+ 25. Rxb1 Qc8 26. Qb2 Qc7 27. Qb6 Qxb6
28. Rxb6 Bxa4 29. Ra6 Rb8 30. g4 Nd7 31. Rxe6 Nxe5 32. Rxe5 {Shcherbakov,R 
(2492)-Demidov,M (2506) Sochi 2016 1/2-1/2 (57)}) 18. f3 b4 19. Re1 Bb7 20.
N3g4 Ra6 21. Qd3 Qc8 22. Ra2 Nd7 23. Nxd7 Qxd7 24. Ne5 Qc8 25. Rc2 c6 26. Ng4
Ra7 27. Qe3 Bf6 28. Bb2 Re8 29. Nxf6+ gxf6 30. Qh6 Qd8 31. Rce2 Bc8 32. Bc1 Rg7
33. Bf4 Qe7 34. Bd6 Qf7 35. Kh1 Kh8 36. f4 Qg6 37. Qh4 Qd3 38. Qxf6 Qxb3 39.
Bf8 Rxf8 40. Qxf8+ Rg8 41. Qf6+ Rg7 42. Re3 Qc2 43. Rg3 Qg6 44. Rxg6 hxg6 45.
Qf8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Rodrigues, Julliano"]
[Black "Santiago, Mauro"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 O-O 8. c3
d6 9. h3 Be6 ({RR} 9... h6 10. a4 Rb8 11. axb5 axb5 12. Bc2 b4 13. d4 bxc3 14.
bxc3 Bb6 15. Ba3 Re8 16. Re1 Nh7 17. Bc1 Bd7 18. Na3 Ra8 19. Bb2 Ng5 20. Nc4
Rxa1 21. Bxa1 Ba7 22. Ncd2 Nxf3+ 23. Nxf3 Bb6 24. Bb3 {Malakhov,V (2691)
-Tkachiev,V (2643) Sochi 2006 1/2-1/2 (41)}) 10. Bc2 d5 ({RR} 10... h6 11. d4
exd4 12. cxd4 Bc4 13. Re1 Bb4 14. Bd2 Bxd2 15. Qxd2 Ne7 16. d5 b4 17. b3 Bb5
18. Qxb4 c5 19. Qd2 Ng6 20. Nc3 Re8 21. Nxb5 axb5 22. Bd3 b4 23. Qc2 Ne5 24.
Nxe5 Rxe5 25. f4 {De Bortolo,P (1800)-Do Amaral E Silva,L (1378)
Florianópolis - Santa Catari 2023 1-0 (51)}) 11. Nxe5 $146 ({RR} 11. exd5 Bxd5
12. Re1 Re8 13. Bg5 Qd6 14. Nbd2 h6 15. Bh4 Re6 16. Bg3 Rae8 17. d4 Bb6 18.
dxe5 Nxe5 19. Nxe5 Rxe5 20. Bxe5 Rxe5 21. Rxe5 Qxe5 22. Nf3 Qd6 23. Bb3 Qc5 24.
Bxd5 Nxd5 25. Nd4 Nf6 {Mandelbaum,P-Goetz,C Fischbek 1997 1-0 (55)}) 11... Nxe5
12. d4 Nxe4 13. dxc5 Qh4 14. f4 Bxh3 15. Bxe4 dxe4 16. fxe5 Bg4 17. Qe1 Qh5 18.
Bf4 g5 19. Be3 Rae8 20. Bd4 Re6 21. Rf6 Rfe8 22. Nd2 Rxf6 23. exf6 Bf5 24. Qe3
b4 25. Nf1 Qg6 26. Ng3 Bd7 27. Kf2 Re6 28. Rh1 Rxf6+ 29. Bxf6 Qxf6+ 30. Kg1 Qe7
31. Rh5 f6 32. Qxe4 Qxe4 33. Nxe4 Kf7 34. Rxh7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Romais, Rodrigo"]
[Black "Cinta Larga, Carlos E"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Bg5
Nbd7 9. Qd2 Be7 10. O-O-O O-O ({RR} 10... b5 11. a3 Rc8 12. Kb1 Qc7 13. h4 O-O
14. g4 Nb6 15. Bxf6 Bxf6 16. g5 Be7 17. Nd5 Nxd5 18. exd5 Bf5 19. Bd3 Bxd3 20.
Qxd3 a5 21. Qxb5 Qxc2+ 22. Ka2 Rb8 23. Qa4 f6 24. Rc1 Qe2 25. f4 {Macak,S 
(2363)-Asis Gargatagli,H (2514) Barcelona ESP 2022 0-1 (32)}) 11. Kb1 b5 12. h4
b4 13. Bxf6 $146 ({RR} 13. Nd5 Bxd5 14. exd5 a5 15. g4 a4 16. Nc1 Qa5 17. Ne2
Rfc8 18. Bxf6 Bxf6 19. g5 Be7 20. f4 b3 21. cxb3 Qxd2 22. Rxd2 axb3 23. a3 Ra4
24. f5 Nc5 25. Ng3 Rg4 26. Rh3 f6 27. Be2 Rf4 {Verbin,V (1506)-Sevilla,J Al
Ain 2013 1-0 (54)}) 13... Nxf6 14. Nd5 Bxd5 15. exd5 a5 16. g4 a4 17. Nc1 Qb6
18. Bd3 Ra5 19. Be4 Rc8 20. h5 Nxe4 21. fxe4 Rac5 22. Nd3 Rc4 23. Rhe1 b3 24.
c3 bxa2+ 25. Ka1 a3 26. Rc1 h6 27. Rc2 Bg5 28. Qe2 Qb3 29. bxa3 Qxa3 30. Rxa2
Qxc3+ 31. Kb1 Rb8+ 32. Rb2 Rxb2+ 33. Nxb2 Rb4 34. Rf1 Bd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Santanna, Paulo"]
[Black "Silva, Lucas Henrique"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "34"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. Qd2 Bg7 5. f3 O-O 6. Bh6 c5 7. Bxg7 Kxg7 8. e3
Nc6 9. O-O-O cxd4 10. exd4 Qa5 $146 ({RR} 10... Qd6 11. Nge2 Na5 12. Nf4 h5 13.
Qe3 Rd8 14. Re1 Nc4 15. Bxc4 dxc4 16. d5 Bf5 17. Qd4 Kg8 18. g3 a6 19. h3 g5
20. Re5 gxf4 21. Rxf5 fxg3 22. Rg1 Kf8 23. Ne4 e5 24. Nxd6 exd4 25. Rxf6 {
Cabarkapa,N (2478)-Volkov,D (2343) Belgrade SRB 2021 1-0 (32)}) 11. g4 Rb8 12.
g5 Nh5 13. Kb1 Bf5 14. Nge2 Nb4 15. Ng3 Bxc2+ 16. Kc1 Rbc8 17. Nxh5+ gxh5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Santiago, Yago"]
[Black "Supi, Luis Paulo"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 Rc8 7. b3 g6 8.
Bb2 Bg7 9. c4 O-O 10. d4 cxd4 11. Nxd4 a6 12. Nc3 e6 ({RR} 12... Qa5 13. Nd5
Rfe8 14. a4 Nxd5 15. exd5 Nc5 16. Qc2 e5 17. dxe6 Nxe6 18. Nxe6 Rxe6 19. Bxg7
Kxg7 20. Rad1 b5 21. Qb2+ Kg8 22. b4 Qb6 23. cxb5 axb5 24. a5 Qb7 25. Rfe1 Qe7
26. Rxe6 fxe6 27. h3 {Sadhwani,R (2624)-Sadvakasov,D (2629) Dusseldorf GER
2023 1-0 (42)}) 13. Rad1 $146 ({RR} 13. Rfd1 Qc7 14. Nf3 Rfe8 15. Rac1 Bh6 16.
Rb1 Bg7 17. Rbc1 Bh6 18. Rb1 Qb8 19. Bc1 Bf8 20. Bb2 Bg7 21. Rbc1 d5 22. cxd5
exd5 23. Nxd5 Rxc1 24. Nxf6+ Nxf6 25. Rxc1 Rxe4 26. Qd3 Re8 27. h3 h6 {Drabke,
L (2411)-Gharamian,T (2557) Boeblingen 2007 1/2-1/2 (36)}) 13... Re8 14. Qd2
Qa5 15. Rfe1 Red8 16. Qe2 Nh5 17. Qe3 h6 18. g3 Nhf6 19. h3 Qh5 20. Kg2 Qc5 21.
Qe2 Rb8 22. Na4 Qc7 23. Rc1 b6 24. b4 e5 25. Nb3 Rdc8 26. Nd2 h5 27. Nc3 Bh6
28. Nd5 Qd8 29. Nxf6+ Nxf6 30. Rcd1 Qe7 31. Nb3 h4 32. Bc1 Bxc1 33. Rxc1 hxg3
34. fxg3 Kg7 35. Nd2 b5 36. a3 Qe6 37. Qd3 Rh8 38. Rh1 Rbd8 39. Qe2 bxc4 40.
Rxc4 d5 41. Rc2 Rc8 42. Rxc8 Rxc8 43. Nb3 Nxe4 44. Rc1 Rxc1 45. Nxc1 Nc3 46.
Qe1 d4 47. Nd3 e4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Santos, Jarlison"]
[Black "Campos, Otavio"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Bc4 Nf6 7. Nd2 ({RR} 7.
f3 O-O 8. O-O Qb6 9. Qd2 Nxe4 10. Nxc6 Qxc6 11. Bxf7+ Rxf7 12. fxe4 Rxf1+ 13.
Kxf1 Bxb2 14. Bd4 Bxa1 15. Bxa1 Qxe4 16. Qc3 Qf5+ 17. Kg1 Qf6 18. Qc4+ Qf7 19.
Qd4 Qf6 20. Qd5+ e6 21. Bxf6 exd5 {shadrack (2460)-Caetano,H (2376) lichess.
org 2020 0-1 (68)}) ({RR} 7. Nxc6 bxc6 8. Nc3 Qa5 9. O-O O-O 10. Rb1 Qb4 11.
Qd3 d5 12. exd5 Rd8 {1/2-1/2 (12) Leib,B (1923)-Klaiss,T (2001) Dresden GER
2022}) 7... d5 8. Bb5 $146 ({RR} 8. exd5 Nxd5 9. Nxc6 bxc6 10. c3 Nxe3 11. fxe3
O-O 12. O-O Rb8 13. Bb3 a5 14. Rb1 Ba6 15. Rf2 e6 16. Qf3 c5 17. Rd1 Qc7 18.
Ne4 c4 19. Ba4 Rbd8 20. Rxd8 Rxd8 21. Ng5 Rf8 22. Qh3 h5 {Maechel,S (1850)
-Canneva,F (2094) France 2004 1/2-1/2 (36)}) 8... Bd7 9. exd5 Nxd5 10. N2f3
Nxe3 11. fxe3 O-O 12. O-O Qb6 13. Rb1 Rfd8 14. Bxc6 Bxc6 15. Qe2 Be4 16. Ng5
Bd5 17. c4 Bxd4 18. exd4 Qxd4+ 19. Kh1 Bxc4 20. Qxe7 Rd7 21. Qe4 Bxf1 22. Rxf1
Qxe4 23. Nxe4 Re7 24. Nc3 Rae8 25. Nd5 Re1 26. Kg1 Rxf1+ 27. Kxf1 Kg7 28. Nc3
a6 29. Kf2 f5 30. a4 Kf6 31. g3 b5 32. h3 bxa4 33. Nxa4 a5 34. Nb6 Ke6 35. Ke3
Rb8 36. Nc4 a4 37. Kd2 Rb3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Santos, Matheus Garcett"]
[Black "Zallio, Luciano"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Qb6 8. a3
Be7 9. Nf4 a5 10. h4 a4 11. g3 h6 12. Bh3 $146 ({RR} 12. Qd3 Na5 13. Rb1 c4 14.
Qc2 Qb3 15. Qxb3 Nxb3 16. h5 Nxc1 17. Rxc1 Ra5 18. Ra1 Rb5 19. Ra2 Nb8 20. Be2
Bd7 21. Bd1 Rb6 22. Bc2 Na6 {1/2-1/2 (22) Brieger,R-LeCompte,G Seattle,WA 1966}
) 12... Nf8 13. dxc5 Bxc5 14. Nd3 Be7 15. Be3 Qc7 16. O-O Bd7 17. Qc2 Na5 18.
Rfe1 Nh7 19. Rad1 O-O-O 20. Bf1 g5 21. h5 Nc4 22. Bc1 f5 23. b3 axb3 24. Qxb3
Be8 25. Nd4 Nf8 26. Be2 Qa5 27. Nb2 Nxe5 28. f4 Ned7 29. c4 Nc5 30. Qc2 Kb8 31.
cxd5 Rxd5 32. Nc4 Qc7 33. Qb1 Ne4 34. Bb2 Rg8 35. Nxe6 Rxd1 36. Rxd1 Nxe6 37.
Be5 Bd6 38. Nxd6 Qc5+ 39. Kh1 Nxg3+ 40. Kg2 Bc6+ 41. Bf3 Nxf4+ 42. Bxf4 gxf4
43. Qb3 Rg5 44. Nf7 Ne4+ 45. Nxg5 Qf2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Santos, Wenesley"]
[Black "Rocha, Jean Henrique"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "71"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 Be7 5. e3 c5 6. cxd5 exd5 7. dxc5 Bxc5 8.
Bxf6 Qxf6 9. Qxd5 Qd6 $146 ({RR} 9... Be7 10. Qe4 Qe6 11. Bb5+ Nd7 12. Qxe6
fxe6 13. Nf3 O-O 14. O-O a6 15. Bc4 Nf6 16. Ng5 Nd5 17. Nxe6 Bxe6 18. Bxd5 Bxd5
19. Nxd5 Bd6 20. Rac1 Rac8 21. Rfd1 Rxc1 22. Rxc1 Rd8 23. e4 Rd7 24. e5 {
Zhang,P (2519)-Urruticoechea Sarriegui,J San Sebastian 2004 1-0}) 10. Qxd6 Bxd6
11. O-O-O Be7 12. Bb5+ Bd7 13. Bxd7+ Nxd7 14. Nf3 Rc8 15. Kb1 Nc5 16. Rd2 O-O
17. Rhd1 Rfd8 18. Rxd8+ Rxd8 19. Rxd8+ Bxd8 20. Kc2 Ba5 21. Nd2 Bxc3 22. Kxc3
Kf8 23. b4 Nd7 24. Kd4 Ke7 25. Ne4 h6 26. Nc5 Nxc5 27. Kxc5 Kd7 28. Kd5 Ke7 29.
e4 g5 30. f3 f6 31. g3 Kd7 32. f4 gxf4 33. gxf4 h5 34. h4 Ke7 35. e5 f5 36. b5
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Sekula, Markley"]
[Black "Arruda Filho, Ivo"]
[Result "0-1"]
[ECO "B82"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Be7 8. g4 (
{RR} 8. Be3 Nc6 9. Be2 Nxd4 10. Bxd4 Bd7 11. O-O Bc6 12. Bd3 d5 13. e5 Ne4 14.
f5 Nd2 15. Qg4 Nxf1 16. Qxg7 Rf8 17. Rxf1 Qd7 18. a3 b6 19. b4 Bb5 20. Nxb5
axb5 21. Bb2 Qc6 22. Bc1 exf5 {Triapkin,P (2350)-Askarov,M (2521) Kazan 2008
1-0 (72)}) 8... Nc6 ({RR} 8... Qc7 9. g5 Nfd7 10. Be3 b5 11. Bd3 Bb7 12. O-O-O
Nc6 13. Kb1 Nc5 14. Rhg1 Nxd3 15. cxd3 b4 16. Nce2 a5 17. Rc1 Qd7 18. Nxc6 Bxc6
19. Bd4 Bf8 20. h4 a4 21. h5 Rg8 22. Qe3 Be7 23. Qd2 {Florescu,C (2245)
-Khokhlova,D (2111) chess.com INT 2023 1-0 (35)}) 9. Nb3 d5 $146 ({RR} 9... h6
10. h4 Nd7 11. g5 hxg5 12. hxg5 Rxh1 13. Qxh1 g6 14. Bd3 Nf8 15. Be3 b5 16. a3
Bb7 17. Qg1 Nd7 18. O-O-O Na5 19. Nd2 Qc7 20. f5 Nc4 21. fxe6 fxe6 22. Bxc4
bxc4 23. Qg4 Nf8 24. Qe2 {Pot,E-De Pender,P (2175) Hengelo 1998 1/2-1/2 (55)})
10. g5 dxe4 11. Nxe4 Nxe4 12. Qxe4 e5 13. Bd2 g6 14. O-O-O Bf5 15. Qc4 O-O 16.
Bc3 Qb6 17. Bg2 Rac8 18. Qa4 Nb4 19. Rhe1 Nxc2 20. Rxe5 Ne3 21. Rd2 Nxg2 22.
Rxe7 Qg1+ 23. Rd1 Qf2 24. Nd2 Nxf4 25. Rf1 Ne2+ 26. Rxe2 Qxe2 27. Qd4 Rxc3+ 28.
bxc3 Qxh2 29. Re1 Qc7 30. Qf6 Rc8 31. Kb2 Qd8 32. Nf3 Qxf6 33. gxf6 Be6 34. Ng5
Re8 35. Rh1 h5 36. Rd1 h4 37. Rd4 h3 38. Rh4 h2 39. Rxh2 Bg4 40. Rh7 Re2+ 41.
Kc1 Be6 42. Rg7+ Kh8 43. a4 Rf2 44. Nxe6 Rxf6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Setti, Eduardo"]
[Black "Mazetto, Sergio Luiz"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "126"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ Nbd7 8.
Nc3 O-O 9. Bxd7 Nxd7 ({RR} 9... Qxd7 10. Ne5 Qd6 11. Nc4 Qa6 12. Ne3 Rd8 13.
Qe2 Qxe2+ 14. Kxe2 b6 15. Rd1 Ba6+ 16. Ke1 Bb7 17. a4 Nxd5 18. Ncxd5 Bxd5 19.
a5 Bb7 20. d5 Rac8 21. axb6 axb6 22. Ra7 Rd7 23. b3 Ra8 24. Rxa8+ {Kiik,K 
(2430)-Markowski,T (2525) Lubniewice 1998 1/2-1/2 (41)}) ({RR} 9... Bxd7 10.
Qb3 Qb6 11. Qxb6 axb6 12. Ne5 Bf5 13. O-O Ra5 14. Bd2 Nxd5 15. Nxd5 Rxd5 16.
Bc3 b5 17. a3 Rfd8 18. f4 h5 19. Rfe1 Bxe5 20. Rxe5 Rxe5 21. fxe5 Be6 22. Kf2
Bd5 23. Rg1 f6 24. g4 {Manukian,A (2196)-Bernat,D (1862) chess.com INT 2023 1/
2-1/2 (52)}) 10. O-O Nb6 11. Re1 $146 ({RR} 11. Qb3 Bf5 12. Re1 Rc8 13. Bg5 Re8
14. Bh4 h6 15. Ne5 a5 16. a4 Qd6 17. Qb5 Qb4 18. Bg3 Red8 19. Nf3 Bg4 20. Ne5
Bf5 21. Nf3 Bg4 {1/2-1/2 (21) Schmider,B-Kunze,H Stetten 1988}) 11... Re8 12.
Qb3 Bf5 13. Bg5 h6 14. Be3 Rc8 15. Ne5 e6 16. dxe6 Bxe6 17. Qd1 Nd5 18. Bd2 Qb6
19. Nxd5 Bxd5 20. Bc3 h5 21. Qd2 Qf6 22. Nd3 Qf5 23. Nb4 Be6 24. Qd3 Qxd3 25.
Nxd3 Red8 26. Ne5 Rd5 27. Nxg6 Rd7 28. Ne5 Rd5 29. f4 b5 30. Rad1 a5 31. Bxa5
Rc2 32. Bc3 b4 33. Bxb4 Rxb2 34. a3 h4 35. h3 Bf6 36. Bc5 Rd8 37. Nd3 Rc2 38.
Nb4 Rc4 39. Nc6 Rd5 40. Ne5 Rc2 41. Ra1 Rd8 42. Rec1 Re2 43. Kf1 Rb2 44. Nc4
Rb3 45. Nd2 Rb2 46. Nf3 Bd5 47. Rc3 Rdb8 48. a4 Re8 49. Re1 Reb8 50. Re2 Rb1+
51. Kf2 Rd1 52. Re1 Rb2+ 53. Ke3 Bxf3 54. Rxd1 Bxd1 55. a5 Re2+ 56. Kd3 Rxg2
57. Ke4 Be2 58. Ra3 Ba6 59. Rb3 Rg3 60. Rxg3+ hxg3 61. d5 Bd8 62. Bb6 Bxb6 63.
axb6 g2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Silva, Alex Castro"]
[Black "Ribeiro, Fabiano Pinto"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "112"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f4
Be7 9. f5 e5 10. Nde2 Bb7 11. Ng3 Nbd7 12. Bg5 h6 ({RR} 12... Rc8 13. Qf3 b4
14. Bxf6 Nxf6 15. Nd5 Nxd5 16. exd5 O-O 17. Ne4 f6 18. h4 a5 19. h5 Kh8 20. a4
bxa3 21. Rxa3 Qb6 22. Ra4 Ba6 23. Qf2 Qb8 24. Rh3 Bd8 25. Rc3 Rxc3 26. bxc3 Bb5
27. Ra1 {Varavin,V (2465)-Areshchenko,A (2533) Sudak 2002 1/2-1/2 (45)}) 13.
Bxf6 Nxf6 14. O-O $146 ({RR} 14. Qd3 Qb6 15. O-O-O h5 16. Nd5 Nxd5 17. Bxd5 Rc8
18. Bxb7 Qxb7 19. h4 Qc6 20. Kb1 a5 21. Rd2 b4 22. Qf3 a4 23. Nxh5 a3 24. f6
gxf6 25. Nxf6+ Kf8 26. Rf1 Bxf6 27. Qxf6 Rh7 28. Qxd6+ Qxd6 {Faure-Brac,S 
(1996)-Hejazipour,M (2319) Europe-Echecs INT 2021 1/2-1/2 (70)}) 14... h5 15.
Bd5 h4 16. Nge2 Qb6+ 17. Kh1 h3 18. Ng3 hxg2+ 19. Kxg2 Rc8 20. Bxb7 Qxb7 21. a3
Rc4 22. Qf3 Rh4 23. Rad1 a5 24. Qd3 Qc6 25. Rfe1 b4 26. axb4 axb4 27. Nd5 Rxc2+
28. Rd2 Rxd2+ 29. Qxd2 Nxd5 30. exd5 Qc5 31. Qd1 Rc4 32. Qa4+ Kf8 33. Qa8+ Qc8
34. Ra1 Bd8 35. b3 Rc2+ 36. Kh3 g6 37. Qxc8 Rxc8 38. fxg6 fxg6 39. Ne4 Ke7 40.
Ra4 Rc1 41. Rxb4 Kd7 42. Kg4 Rh1 43. Rb7+ Bc7 44. Kg5 Rxh2 45. Kxg6 Rh4 46.
Nf6+ Kc8 47. Rb5 Bd8 48. Ne8 Kd7 49. Ng7 e4 50. Nf5 Rg4+ 51. Kh6 Rg2 52. Rb7+
Bc7 53. Rb4 Rd2 54. Ne3 Rd3 55. Nc4 e3 56. Nxe3 Rxe3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Silva, Erick"]
[Black "Rosa, Diego"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 e6 3. e4 Nc6 4. Nf3 d5 5. e5 Ng4 ({RR} 5... d4 6. exf6 dxc3 7.
bxc3 Qxf6 8. Bd3 e5 9. O-O Bf5 10. Bxf5 Qxf5 11. d4 O-O-O 12. Be3 Bd6 13. Rb1
e4 14. Nd2 Rhe8 15. Rb5 Qd7 16. Qb1 f5 17. Bg5 b6 18. Bxd8 Kxd8 19. c5 Bf4 20.
Nc4 {Stripunsky,A (2553)-Garcia,G (2461) Montreal 2004 1/2-1/2 (82)}) ({RR} 
5... Ne4 6. d3 Nxc3 7. bxc3 dxc4 8. d4 b5 9. a4 b4 10. Bxc4 bxc3 11. O-O Nb4
12. Ng5 Bb7 13. Qb3 Bd5 14. Qxc3 h6 15. Bxd5 Qxd5 16. Nf3 Qd7 17. Nd2 Rd8 18.
Nb3 Be7 19. Qg3 Kf8 20. Ba3 {Swastik Singhal (1379)-Gurung,R (2028) New Delhi
IND 2022 1/2-1/2 (37)}) 6. d4 Bb4 $146 ({RR} 6... Be7 7. Be2 Na5 8. b3 c5 9. h3
Nh6 10. cxd5 exd5 11. dxc5 Be6 12. a3 Nf5 13. Bb5+ Nc6 14. b4 O-O 15. O-O a5
16. Rb1 Qc7 17. Nxd5 Bxd5 18. Qxd5 Rfd8 19. Qe4 Nfd4 20. Bxc6 Nxc6 21. Bf4 {
Mello,A (1745)-Casalaspro,M (1425) Florianopolis BRA 2021 1-0}) 7. Be2 f6 8.
Ng1 Nh6 9. Bh5+ Nf7 10. Bxf7+ Kxf7 11. cxd5 exd5 12. exf6 Qxf6 13. Nge2 Bxc3+
14. bxc3 Re8 15. O-O Re4 16. Ng3 Rg4 17. Re1 Rg6 18. Qb3 Ne7 19. Ba3 Be6 20.
Qxb7 Rc8 21. Re5 Rg5 22. Bxe7 Qxe7 23. Re3 h5 24. Rae1 Rg6 25. Qxc8 Qg5 26.
Rxe6 Rxe6 27. Qxe6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Silva, Joao Fernandes"]
[Black "Pasqualotto, Amos"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. g3 Bg4 6. Bg2 Nc6 7. c3 e6 8. O-O
Be7 9. b3 $146 ({RR} 9. Be3 O-O 10. Nbd2 a6 11. Rc1 b5 12. Nb3 Ne4 13. Qc2 Qb6
14. a3 Bf5 15. Qe2 h6 16. Nbd2 Nxd2 17. Nxd2 Na5 18. b4 Nb7 19. Nf3 Rfc8 20.
Qb2 Nd6 21. Nd2 Nc4 22. Nxc4 Rxc4 23. Bd2 Rac8 {Nguyen Ngoc Thanh,T-Nguyen,T
Tan Binh 2000 1-0 (31)}) 9... b5 10. Nbd2 O-O 11. a4 b4 12. Bb2 bxc3 13. Bxc3
Ne4 14. Bb2 Rb8 15. h3 Nxd2 16. Qxd2 Bxf3 17. Bxf3 Rxb3 18. Bd1 Rb7 19. Ba3
Bxa3 20. Rxa3 Rb1 21. Qc2 Qb6 22. a5 Qb7 23. Qd3 Rb8 24. Bc2 Rxf1+ 25. Kxf1 Qb5
26. Qxb5 Rxb5 27. Rc3 Ne7 28. Rc7 Kf8 29. Rxa7 g6 30. Ba4 Rb4 31. Ra8+ Kg7 32.
Bd7 Rxd4 33. a6 Rc4 34. Rb8 d4 35. a7 d3 36. a8=Q Rc1+ 37. Kg2 d2 38. Ba4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Silva, Kaua Marques"]
[Black "Abrantes, Tiago Garrido"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4
Bb4+ 9. Nbd2 O-O 10. O-O Bg4 11. Qa4 Rb8 ({RR} 11... Bxd2 12. Nxd2 Bd7 13. Bxc6
Bxc6 14. Qb3 Nxd2 15. Bxd2 a5 16. a4 b6 17. Rfc1 Bb7 18. Qg3 Kh8 19. e6 c6 20.
exf7 Rxf7 21. Bf4 Rc8 22. Be5 c5 23. h4 Kg8 24. Rc3 Qd7 25. h5 h6 26. Qh4 {
Huschenbeth,N (2628)-Postny,E (2615) Berlin GER 2021 1/2-1/2 (86)}) ({RR} 11...
Bxd2 12. Nxd2 Nxd2 13. Bxd2 Ne7 14. h3 Be6 15. f4 a6 16. Bd3 Bf5 17. Qc2 Bxd3
18. Qxd3 f5 19. Bb4 Qd7 20. g4 fxg4 21. Bxe7 Qxe7 22. hxg4 Qh4 23. Qf3 h5 24.
gxh5 Rf5 25. Kg2 Raf8 26. Qg3 {Danielyan,V (2317)-Sanchez Alvares,K (2236)
chess.com INT 2023 0-1 (53)}) 12. Bxc6 bxc6 13. Qxc6 Rb6 $146 ({RR} 13... Bxd2
14. Nxd2 Nxd2 15. Bxd2 Rxb2 16. Ba5 Be2 17. Rfb1 Qb8 18. Re1 Bc4 19. Bxc7 Qb4
20. a3 Qd2 21. Kh1 Qxf2 22. Rg1 Qf5 23. Rae1 {1/2-1/2 (23) Barabas,T (2108)
-Nadasi,L (2111) Hungary 2008}) 14. Qc2 Rg6 15. Nxe4 dxe4 16. Qxe4 f5 17. exf6
gxf6 18. Bf4 Re8 19. Qd3 Qd5 20. Nh4 Be2 21. Qb3 Qxb3 22. axb3 Rg4 23. g3 Bxf1
24. Kxf1 a5 25. Nf5 Rxf4 26. gxf4 Re4 27. Rd1 Rxf4 28. Ne3 Rh4 29. Kg2 Bd6 30.
h3 Rh5 31. Rc1 Rg5+ 32. Kf3 Rh5 33. Kg2 Rg5+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Soares, Joao Carlos"]
[Black "Limp, Eduardo Thelio"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Qc2 ({RR} 5. Qa4+ Nc6 6. Nf3 Nge7
7. e3 O-O 8. Bd2 Bg4 9. Be2 Ng6 10. Qb3 Re8 11. O-O-O Nf4 12. Bf1 Nh3 13. Be1
Bxc3 14. bxc3 Na5 15. Qa4 c6 16. Rd2 b5 17. Qa3 Bxf3 18. gxf3 Ng5 19. f4 Ne4 {
Adorjan,A (2485)-Atalik,S (2590) Szeged 1997 0-1 (33)}) 5... Ne7 ({RR} 5... c6
6. Nf3 Ne7 7. Bg5 O-O 8. e3 Bf5 9. Qb3 Qb6 10. Nh4 Be6 11. Bd3 Nd7 12. Nf3 f6
13. Bf4 Bf5 14. Bxf5 Nxf5 15. Qc2 Nd6 16. O-O Nf7 17. e4 dxe4 18. Nxe4 Rfe8 19.
a3 Bf8 20. Rad1 {Grigoryan,K (2621)-Del Rio de Angelis,S (2448) Benalmadena
ESP 2023 1/2-1/2 (45)}) 6. a3 Bd6 $146 ({RR} 6... Bxc3+ 7. Qxc3 O-O 8. Bf4 c6
9. e3 Bf5 10. Nf3 Nd7 11. Bd3 a5 12. O-O a4 13. Be2 Re8 14. Ne5 Ng6 15. Nxg6
hxg6 16. g4 Be6 17. f3 g5 18. Bg3 Qb6 19. Rac1 f6 20. Kg2 Rac8 21. Bf2 {
Varga,P (2390)-Horvath,P (2415) Aggtelek 1997 1/2-1/2 (44)}) 7. Bg5 f6 8. Bh4
Nbc6 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 Qd7 12. Nge2 a6 13. b4 O-O 14. O-O Na7 15.
Bg3 Bxg3 16. Nxg3 Nb5 17. a4 Nxc3 18. Qxc3 c6 19. Ne2 Nf5 20. Nf4 Nd6 21. Nd3
Rae8 22. Nc5 Qf7 23. Rfe1 Re7 24. Ra2 Rfe8 25. Rae2 f5 26. Nd3 Nc4 27. Nc5
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Sopko, Cassio Roberto"]
[Black "Wagner, Julia"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. g3 c5 3. c3 cxd4 4. cxd4 d5 5. Bg2 e6 6. Nf3 Bd6 7. O-O Nc6 8. Nc3
O-O 9. b3 Bb4 10. Bb2 Bxc3 11. Bxc3 Ne4 12. Bb2 Bd7 $146 ({RR} 12... f5 13. Ne5
Nxe5 14. dxe5 Bd7 15. f3 Ng5 16. Qd2 h6 17. Rac1 Bc6 18. Rfd1 Rc8 19. Qb4 a5
20. Qd4 Rf7 21. h4 Nh7 22. e4 fxe4 23. fxe4 Rd7 24. exd5 Bxd5 25. Bxd5 Rxc1 26.
Bxe6+ Kh8 27. Bxd7 {Martinez Hernandez,E (1838)-Ventura Bolet,A Barcelona 2009
1-0 (32)}) 13. Ne1 f5 14. Nd3 Rc8 15. f3 Ng5 16. Nc5 b6 17. Nxd7 Qxd7 18. Qd2
Nf7 19. f4 Rfd8 20. Rfc1 a5 21. Ba3 Nd6 22. Bxd6 Qxd6 23. a3 Rc7 24. e3 Rdc8
25. Bf1 Nd8 26. a4 Nf7 27. Ba6 Rd8 28. Rxc7 Qxc7 29. Rc1 Qa7 30. Bd3 Nd6 31.
Rc2 Qb7 32. Qc1 Rc8 33. Kf2 Rxc2+ 34. Qxc2 Qc8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Sovinski, Marcos Roberto"]
[Black "Cicuto, Marcelo Cezar"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "29"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8.
Nc3 O-O 9. O-O d6 10. h3 Bd7 ({RR} 10... Rb8 11. Rb1 Qa5 12. Qd2 Nd7 13. f4
Rxb2 14. Rxb2 Bxc3 15. Qc1 Ba6 16. Bxa6 Bxb2 17. Qxb2 Qxa6 18. Qc3 Nf6 19. Qd3
Qxa2 20. Bd4 Qe6 21. e5 dxe5 22. Bxe5 Nd7 23. Bc3 Qd6 24. Qe3 Nb6 25. Ba1 {
Gameel,M (2217)-Golizadeh,A (2508) Guangzhou 2010 0-1 (34)}) ({RR} 10... Qc7
11. Qe2 Rb8 12. Rab1 Nd7 13. f4 Nb6 14. Bd3 c5 15. Nb5 Qd7 16. b3 a6 17. Na3 a5
18. Rbd1 Qc7 19. Nb5 Qb7 20. c4 Bd7 21. a4 Bxb5 22. cxb5 Rbc8 23. Qc2 Rfd8 24.
Bc4 e6 25. f5 {OKEKE,I (2194)-Ortez,A (1923) chess.com INT 2023 1-0 (50)}) 11.
Qd2 Qc7 12. Bh6 Rab8 $146 ({RR} 12... Nxe4 13. Nxe4 d5 14. Bxg7 Kxg7 15. Nc5
Bxh3 16. gxh3 dxc4 17. Rfe1 e6 18. Rxe6 Rfd8 19. Qc3+ Kg8 20. Re4 Rd5 21. Qxc4
Rg5+ 22. Kf1 Rf5 23. Nd3 Qh2 24. Ke2 Qxh3 25. Qxc6 Qh5+ 26. Kd2 Qh6+ 27. f4 {
Diaz Flores Sanchez,P-Nieto Asencio,M Mondariz 2004 1-0 (76)}) 13. Bxg7 Kxg7
14. Rab1 Qc8 15. Qe3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Teixeira, Jonas"]
[Black "Oliveira Filho, Fernando"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Be2 Bg4 6. O-O Nc6 7. c3 ({RR} 7.
Re1 Nge7 8. c4 dxc4 9. d5 Nxd5 10. Qxd5 Bxh2+ 11. Kf1 Qxd5 12. Bxc4+ Qe5 13.
Nxe5 Nxe5 14. f4 f6 15. fxe5 fxe5 16. Bg5 Rf8+ {0-1 (16) Lauridsen,J (2251)
-Papasimakopoulos,A (2356) chess.com INT 2023}) 7... Nge7 8. Bg5 $146 ({RR} 8.
Qb3 a6 9. Re1 O-O 10. Bg5 Qd7 11. Bxe7 Nxe7 12. Nbd2 Ng6 13. g3 Qf5 14. c4 dxc4
15. Bxc4 a5 16. Qxb7 Rab8 17. Qe4 Rxb2 18. Qxf5 Bxf5 19. Ne4 Bb4 20. Re3 h6 21.
Rc1 Rd8 22. Bb3 Bh3 {Malisauskas,V (2500)-Lputian,S (2610) Moscow 1989 1/2-1/2
(42)}) 8... f6 9. Bh4 Qd7 10. Nbd2 O-O-O 11. b4 Rdg8 12. a4 h5 13. Nb3 g5 14.
Bg3 Bxg3 15. fxg3 Nf5 16. Qd2 Qd6 17. b5 Nce7 18. Bd3 h4 19. gxh4 Nxh4 20. Nxh4
Rxh4 21. g3 Rh6 22. Rae1 f5 23. Qe3 Rg7 24. Qe5 Qxe5 25. dxe5 f4 26. Be2 Bxe2
27. Rxe2 Rf7 28. Nd4 c5 29. bxc6 bxc6 30. a5 a6 31. Nb3 f3 32. Re3 g4 33. e6
Rfh7 34. Rf2 Nf5 35. Re5 Rh5 36. Nc5 Re7 37. Rb2 Nxg3 38. Nxa6 Rb7 39. Rxh5
Nxh5 40. Rxb7 Kxb7 41. e7 Nf6 42. Nc5+ Kc7 43. a6 Kb6 44. Nd7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Trevisan, Rodrigo"]
[Black "Lima, Vinicius Taishun"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. c4 {Ramirez Alvarez,Alejandro} c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6.
Rb1 a5 7. Nf3 e5 8. O-O Nge7 9. Ne1 Be6 10. Nd5 O-O 11. d3 Rb8 12. Bg5 f6 13.
Bd2 b6 ({RR} 13... b5 14. Nxe7+ Nxe7 15. cxb5 Rxb5 16. b4 cxb4 17. axb4 axb4
18. Rxb4 Rxb4 19. Bxb4 Qb6 20. Qd2 Nd5 21. Ba5 Qa7 22. Nc2 Rc8 23. Na3 Bh6 24.
Nb5 Bxd2 25. Nxa7 Rc2 26. Bxd2 Rxd2 27. Nb5 Ne7 28. Bf3 {Leko,P (2730)
-Karjakin,S (2756) Beijing 2013 CBM 158 [Ramirez Alvarez,Alejandro] 0-1 (59)})
({RR} 13... b5 14. Nc2 Qd7 15. Nxe7+ Nxe7 16. Ne3 a4 17. Nd5 bxc4 18. dxc4 Rb3
19. Bc3 Rfb8 20. Qd2 Nc6 21. Rfd1 f5 22. e4 Nd4 23. Kh1 Rf8 24. Bxd4 exd4 25.
Re1 Kh8 26. exf5 Bxf5 27. Rbc1 Rf7 28. Qa5 {Khubukshanov,E (2389)-Brunner,N 
(2426) chess.com INT 2023 0-1 (38)}) 14. Nc2 Qd7 15. b4 $146 ({RR} 15. Re1 Bh3
16. Bh1 Nxd5 17. Bxd5+ Be6 18. Ne3 Bxd5 19. Nxd5 Ne7 20. Nxe7+ Qxe7 21. e3 f5
22. b4 axb4 23. axb4 e4 24. Qb3 Rbe8 25. Bc3 h5 26. Bxg7 Qxg7 27. bxc5 bxc5 28.
Red1 Qf6 29. d4 f4 {Westerberg,J (2404)-Logdahl,H (2223) Vasteras 2013 1-0 (40)
}) 15... axb4 16. axb4 Nd4 17. Nce3 Ndf5 18. Nxf5 Bxf5 19. Ra1 Nxd5 20. Bxd5+
Be6 21. Qa4 Qe7 22. Qa7 Qxa7 23. Rxa7 Bxd5 24. cxd5 Ra8 25. Rfa1 Rxa7 26. Rxa7
Rf7 27. Ra8+ Rf8 28. Ra6 Rb8 29. Ra7 b5 30. Kf1 Bf8 31. Ke1 f5 32. Kd1 e4 33.
dxe4 fxe4 34. Kc2 Rc8 35. Kb3 cxb4 36. Bxb4 e3 37. fxe3 Re8 38. Bd2 Re5 39. Ra8
Rxd5 40. Bb4 Kf7 41. e4 Rd1 42. e5 Be7 43. Ra7 Ke6 44. Rb7 Rd5 45. exd6 Bxd6
46. Rb6 Ke5 47. e4 Rd3+ 48. Kc2 Kxe4 49. Bxd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Uczai, Joao Pedro"]
[Black "Rodrigues, Edgar"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Nc6 7. c4 Nb6 8. Nc3
Be7 9. Be3 O-O 10. exd6 cxd6 11. d5 Bxf3 12. Bxf3 Ne5 13. b3 Nxf3+ 14. Qxf3 e5
15. Qe2 f5 ({RR} 15... Re8 16. Rfd1 Nd7 17. Rac1 Qa5 18. a3 Rec8 19. Qa2 Qa6
20. Nb5 f5 21. f3 Kh8 22. Kh1 h6 23. Qb1 f4 24. Bf2 Qa5 25. Qf5 Qd8 26. Qg6 Nf8
27. Qd3 b6 28. Nc3 Nd7 29. Na2 Nc5 30. Qb1 {Gordienko,G (2000)-Panchenko,S 
(1437) St Petersburg RUS 2023 1/2-1/2 (66)}) 16. f3 Nd7 17. Qd3 $146 ({RR} 17.
Rac1 b6 18. Rc2 Rf7 19. Bc1 Rc8 20. Nb5 Ra8 21. Kh1 a6 22. Nc3 Rc8 23. Ba3 Bf8
24. f4 Qh4 25. g3 Qh3 26. Nd1 Re8 27. Qg2 Qh5 28. Re2 Rc8 29. Ne3 exf4 30. Rxf4
Re8 31. Rh4 Qg6 {Koval,M (2017)-Kantorik,M (2211) Tatranske Zruby SVK 2020 0-1
(52)}) 17... Rc8 18. Rac1 a6 19. Kh1 Bg5 20. Rfe1 Bxe3 21. Qxe3 Qh4 22. Rg1 Rf6
23. g4 Rcf8 24. g5 R6f7 25. Rg2 g6 26. Qd2 Re8 27. Ne2 e4 28. f4 e3 29. Qd4 Re4
30. Qa7 Rxf4 31. Qxe3 Re4 32. Qg3 Rfe7 33. Rf1 Qxg3 34. Nxg3 Re3 35. Rff2 Re1+
36. Rg1 R1e5 37. Rgg2 Nc5 38. Rf1 b5 39. Kg1 b4 40. Rff2 Nd3 41. Re2 Nf4 42.
Rxe5 Rxe5 43. Rc2 Nh3+ 44. Kg2 Nxg5 45. c5 dxc5 46. Rxc5 f4 47. h4 Ne6 48. Rc8+
Nf8 49. d6 Kf7 50. Nf1 Ne6 51. Kf3 Rd5 52. Rc6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Umetsubo, Cesar"]
[Black "Marra, Eduardo"]
[Result "1/2-1/2"]
[ECO "E32"]
[PlyCount "99"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. e3 Ne4 8.
Qc2 c5 ({RR} 8... b6 9. Nf3 Bb7 10. Bd3 Nd7 11. O-O c5 12. b3 cxd4 13. exd4
Nef6 14. Ne5 dxc4 15. bxc4 h6 16. Qe2 Nxe5 17. Qxe5 Rc8 18. Bb2 Qc7 19. Qe2 Qf4
20. f3 Rfd8 21. Rfd1 Qd6 22. a4 a5 23. Qe3 {Van Wely,L (2654)-Nisipeanu,L 
(2675) Germany 2003 1/2-1/2 (41)}) ({RR} 8... b6 9. Nf3 Bb7 10. Bd3 Nd7 11.
cxd5 exd5 12. O-O c5 13. h3 Rc8 14. dxc5 bxc5 15. Rd1 Ndf6 16. Bf1 Qb6 17. Rb1
Ba6 18. Bxa6 Qxa6 19. Ne5 c4 20. f3 Nc5 21. Bd2 Nd3 22. Bc3 Nxe5 23. Bxe5 {
Diaz Charpentier,K (1951)-Saravanan,D (1757) Mexico City MEX 2023 1-0 (51)}) 9.
dxc5 a5 10. cxd5 $146 ({RR} 10. Nf3 Nd7 11. b3 Ndxc5 12. Rb1 Bd7 13. Be2 Rc8
14. O-O dxc4 15. bxc4 Ba4 16. Qb2 b6 17. Nd2 Nd3 18. Bxd3 Qxd3 19. Qd4 Qxd4 20.
exd4 Nxd2 21. Bxd2 Rxc4 22. Rxb6 Rxd4 23. Bxa5 Rc8 24. Rb4 Rxb4 {Schandorff,L 
(2520)-Njili,K (2350) Dresden 2008 1/2-1/2}) 10... exd5 11. Nf3 Nd7 12. Nd4 a4
13. Bb5 Ndxc5 14. O-O Qb6 15. Rd1 Be6 16. Qe2 Nd6 17. Bd3 Nxd3 18. Qxd3 Nc4 19.
Rb1 Rfc8 20. Bd2 Nxd2 21. Rxd2 Rc4 22. h3 Rac8 23. Ne2 R4c5 24. Rbd1 h6 25. Qd4
Qb3 26. Nf4 Qb5 27. Qe5 Qc6 28. Nh5 f6 29. Qg3 Rc7 30. Nxf6+ Kh8 31. Nh5 d4 32.
Qh4 Bb3 33. Rf1 Bc4 34. Re1 d3 35. e4 Qd6 36. Ng3 Be6 37. Re3 Rc1+ 38. Kh2 Bc4
39. e5 Qe7 40. Qe4 Bb5 41. Nf5 Qc5 42. e6 Rc2 43. Rd1 Rxf2 44. e7 Qxf5 45. Qxf5
Rxf5 46. e8=Q+ Bxe8 47. Rxe8+ Kh7 48. Rxd3 Rf2 49. Re4 Rxb2 50. Rxa4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Valcarcel, Victor I"]
[Black "Pinto, Pedro Jorge M"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Be2 Bg7 4. c3 b6 ({RR} 4... Nc6 5. d4 cxd4 6. cxd4 d6 7.
h3 Qb6 8. Nc3 Nxd4 9. Nxd4 Qxd4 10. Qb3 Qb6 11. Nd5 Qd8 12. O-O e6 13. Nc3 Ne7
14. Rd1 O-O 15. Bf4 e5 16. Bg5 h6 17. Bxe7 Qxe7 18. Bg4 Bxg4 19. hxg4 {Hug,W 
(2445)-Kagan,S (2440) Biel 1977 1-0 (77)}) ({RR} 4... e5 5. Na3 Ne7 6. d3 d5 7.
exd5 Nxd5 8. O-O O-O 9. Re1 Nc6 10. Bg5 f6 11. Be3 Nxe3 12. fxe3 Bh6 13. Nc2
Qb6 14. Rb1 Be6 15. b3 Rad8 16. Qc1 Rd7 17. c4 Bf5 18. Rd1 Rfd8 19. Nfe1 {
Bogati,D (1594)-Pabalan,R (1968) Dubai UAE 2023 0-1 (52)}) 5. d4 Bb7 6. dxc5
$146 ({RR} 6. Nbd2 d6 7. O-O Nf6 8. Re1 O-O 9. Qc2 Qc7 10. Bf1 cxd4 11. Nxd4
Nbd7 12. N2b3 a6 13. Bg5 Rac8 14. Rad1 b5 15. Qb1 h6 16. Bh4 e5 17. Nf3 g5 18.
Bg3 Nxe4 19. Rxe4 f5 20. Re2 f4 {Bianchi,G (2430)-Spangenberg,H (2305) Mar del
Plata 1992 0-1}) 6... bxc5 7. Qb3 Qb6 8. Nbd2 Nf6 9. e5 Nd5 10. O-O Qxb3 11.
Nxb3 Ba6 12. Bxa6 Nxa6 13. Rd1 e6 14. Nbd2 h6 15. Ne4 Rb8 16. c4 Ndb4 17. b3 d5
18. cxd5 Nxd5 19. Ba3 Nab4 20. Rd2 O-O 21. Nxc5 Rfc8 22. Bxb4 Rxb4 23. a3 Rb5
24. b4 a5 25. Ne4 Bf8 26. Nd4 Rb6 27. b5 Bxa3 28. Nc6 Bb4 29. Nxb4 axb4 30. Nd6
Rc5 31. g3 g5 32. Ra8+ Kg7 33. Ra7 Nc7 34. Rxc7 Rxc7 35. Ne8+ Kg6 36. Nxc7 Rb7
37. Na6 Rxb5 38. Rb2 b3 39. Nc7 Rb8 40. Na6 Rb5 41. Nc7 Rb8 42. g4 Kg7 43. Kf1
Kf8 44. Ke2 Rb6 45. Kd3 Ke7 46. Kd4 Kd7 47. Nd5 exd5 48. Kxd5 Rb5+ 49. Kc4 Rxe5
50. f3 Re3 51. Rxb3 Rxb3 52. Kxb3 Kd6 53. Kc4 Ke5 54. Kd3 Kf4 55. Ke2 f5 56. h3
fxg4 57. hxg4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Vargas, Roberto Carlos"]
[Black "Viana, Paulo Vitor"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 Nc6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 e6 ({RR} 6... Nb4
7. Bd3 e6 8. O-O Bd6 9. Bg5 h6 10. Bxf6 gxf6 11. a3 Nxd3 12. cxd3 c6 13. Nc3 f5
14. e4 Qg5 15. exf5 exf5 16. Rfe1+ Kd7 17. b4 Rae8 18. b5 Rxe1+ 19. Rxe1 Re8
20. bxc6+ bxc6 21. Rb1 {Teixeira,A (1514)-De Moura Filho,E (1350) V Master
Pessoense sub 2100 - 2022 2022 1-0 (38)}) 7. c3 Bd6 8. Nd2 ({RR} 8. Bg5 Be7 9.
Nd2 O-O 10. h4 e5 11. Bb5 exd4 12. exd4 Re8 13. O-O-O a6 14. Bd3 b5 15. Rde1
Qd6 16. a3 Na5 17. Re5 c6 18. Rhe1 Kf8 19. Bxh7 Nc4 20. Nxc4 bxc4 21. Bf5 Ng8
22. Bf4 Qf6 {Rozentalis,E (2551)-Zeberski,J (2437) Ustron 2007 1-0}) 8... Bxf4
9. exf4 $146 ({RR} 9. Qxf4 O-O 10. Bd3 Re8 11. Nf3 h6 12. g4 Qd6 13. Ne5 Re7
14. Qg3 Nd7 15. f4 Ncxe5 16. fxe5 Qb6 17. O-O-O f6 18. exf6 Nxf6 19. g5 hxg5
20. Qxg5 Rf8 21. Rdf1 Qd6 22. Rhg1 c5 23. Rxf6 Rxf6 {Hronik,P (1955)-Rybin,J 
(1393) Nachod 2012 1-0 (37)}) 9... Qd6 10. Bd3 O-O-O 11. a4 g6 12. b4 Nh5 13.
g3 f5 14. Nb3 Nf6 15. b5 Nb8 16. a5 Ne4 17. Bxe4 dxe4 18. Qe3 Nd7 19. O-O Qd5
20. Rfb1 Qc4 21. d5 Kb8 22. dxe6 Qxe6 23. Nd4 Qc4 24. a6 Rc8 25. axb7 Kxb7 26.
Rxa7+ Kb6 27. Ra6+ Kb7 28. Ra7+ Kb6 29. Nb3+ Nc5 30. Ra6+ Kxb5 31. Nd2+ Kxa6
32. Nxc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Vicentin, Marcos"]
[Black "Souza, Rafael Cabral"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. e4 d6 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nf6 5. d3 c5 ({RR} 5... O-O 6. Be2 c6 7.
O-O b5 8. Qe1 Bg4 9. Qh4 Bxf3 10. Rxf3 Nbd7 11. g4 e6 12. Rh3 h6 13. g5 Nh7 14.
Qg3 Bd4+ 15. Kh1 h5 16. Bxh5 gxh5 17. Rxh5 Re8 18. g6 Nhf8 19. gxf7+ Kxf7 20.
e5 {Lerch Gallemi,J (2151)-Fernandez Madrid,C (2141) Barcelona ESP 2022 1-0})
6. Be2 ({RR} 6. h3 Nc6 7. g4 Rb8 8. a4 a6 9. Bg2 O-O 10. O-O b5 11. axb5 axb5
12. Qe1 b4 13. Ne2 c4 14. Kh1 cxd3 15. cxd3 Qb6 16. f5 Ne5 17. Nf4 Nxf3 18.
Rxf3 Bb7 19. Be3 Qb5 20. Bd4 Ra8 {Dvalishvili,P (2457)-Chadaev,N (2569) Moscow
2010 1/2-1/2 (36)}) 6... Nc6 7. O-O Bg4 8. Ng5 $146 ({RR} 8. Be3 Bxf3 9. Bxf3
O-O 10. Ne2 Rb8 11. Qd2 Qd7 12. h3 b5 13. g4 a5 14. f5 Ne5 15. Bg2 b4 16. Ng3
c4 17. d4 c3 18. bxc3 Nc4 19. Qe2 Nxe3 20. Qxe3 Rbc8 21. cxb4 axb4 22. g5 Rc3 {
Gusev,Y (2148)-Storozhev,N (2024) Kemerovo 2009 1-0 (52)}) 8... Qd7 9. h3 Bxe2
10. Nxe2 h6 11. Nf3 O-O-O 12. c3 c4 13. Be3 Kb8 14. b4 cxd3 15. Qxd3 Qe6 16.
Ng3 Rc8 17. Rfc1 Rc7 18. a4 Rhc8 19. a5 Nd8 20. Qd4 Nc6 21. Qd3 Nd8 22. Qd4 Nc6
23. Qd3 Nd8 24. Qd4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Zakowicz, Rafael"]
[Black "Leite, Coraci"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "123"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. O-O e6 5. Qe2 $146 ({RR} 5. Nc3 Ne7 6. d4 cxd4
7. Nxd4 a6 8. a4 O-O 9. Be3 d5 10. exd5 exd5 11. Bb3 Nbc6 12. Nxc6 bxc6 13. Bd4
Bxd4 14. Qxd4 Nf5 15. Qc5 Qf6 16. a5 Rb8 17. Rfe1 Nd4 18. Ra3 Bf5 19. Bxd5 Nxc2
{Picard,S (2104)-Pytel,K (1894) France 2013 1-0}) ({RR} 5. Re1 Ne7 6. c3 O-O 7.
d3 Nbc6 8. Bb3 b5 9. Be3 d6 10. Nbd2 b4 11. d4 bxc3 12. bxc3 cxd4 13. cxd4 Ba6
14. a3 Rc8 15. Ra2 Na5 16. Ba4 Bd3 17. Bc2 Bc4 18. Nxc4 Nxc4 19. Bd3 Nxe3 {
Grabinsky,A (2370)-Andreikin,D (2729) chess.com INT 2023 0-1 (35)}) ({RR} 5. d4
cxd4 6. Nxd4 a6 7. c3 Ne7 8. a4 O-O 9. Na3 Nbc6 10. Nac2 d5 11. exd5 exd5 12.
Ba2 Be6 13. Nxe6 fxe6 14. Re1 Qd6 15. Qe2 e5 16. Bg5 Bf6 17. Bh6 Bg7 18. Bg5
Bf6 19. Bd2 Kg7 {Howell,D (2663)-Shohat,Y (2284) chess.com INT 2023 1-0 (41)})
5... Ne7 6. Bb3 Nbc6 7. c3 O-O 8. d3 b6 9. Nbd2 Na5 10. Bc2 Ba6 11. Re1 e5 12.
Rb1 Nac6 13. b4 cxb4 14. cxb4 Bc8 15. b5 Na5 16. Bb2 d6 17. Nf1 Bg4 18. Ne3 Bd7
19. d4 f6 20. Red1 Qe8 21. a4 Be6 22. Ba3 Nb7 23. Rd2 Rc8 24. Rbd1 Qf7 25. dxe5
dxe5 26. Nd5 Nc5 27. h3 Bxd5 28. exd5 Bh6 29. d6 Nf5 30. d7 Rcd8 31. Bxc5 bxc5
32. Rd5 Nd4 33. Nxd4 cxd4 34. Bb3 Kg7 35. Qg4 Qe7 36. Rd3 Qb4 37. g3 Qe1+ 38.
Kg2 Qb4 39. Qe6 Bc1 40. Rd6 Ba3 41. Rc6 Qe7 42. Qxe7+ Bxe7 43. Be6 Bb4 44. Rc7
Bc3 45. Rxa7 e4 46. Rd1 f5 47. Bd5 Rf6 48. Bc6 g5 49. a5 d3 50. a6 Bd4 51. Rb7
Rff8 52. a7 Kf6 53. Rc7 Bb6 54. Rb7 Ba5 55. b6 Ke5 56. Rb1 Bc3 57. Rc7 d2 58.
a8=Q Rxa8 59. Bxa8 Rd8 60. Rc6 Rxd7 61. Rd1 f4 62. b7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "Zanette, Edgard"]
[Black "Gazineu Neto, Rubens"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. O-O d5 6. d3 Nf6 7. Qe2 Be7 8. c4
O-O 9. Nc3 Qc7 10. Re1 d4 11. Na4 e5 12. h3 Re8 $146 ({RR} 12... Nd7 13. b3 Nb6
14. Nxb6 axb6 15. a4 Bd7 16. Bg5 Bd6 17. Nh4 f6 18. Bd2 g6 19. Bh6 Rf7 20. g4
Qd8 21. Nf3 g5 22. Kg2 Kh8 23. Kg3 Qg8 24. h4 Qg6 25. hxg5 fxg5 26. Rh1 Rf4 27.
Nxg5 {Alqudaimi,B (2237)-Abdulla,A (2272) Doha 2002 0-1}) 13. Bd2 Nd7 14. Rab1
a5 15. Rf1 Nf8 16. Kh2 h6 17. g3 Ng6 18. Ng1 Bd6 19. f3 f5 20. Qg2 Rf8 21. Rf2
Kh7 22. Ne2 fxe4 23. fxe4 Rxf2 24. Qxf2 Be6 25. Rf1 Be7 26. Nc1 Ra7 27. Nb3 Qc8
28. Qg2 Qc7 29. Nbxc5 Bxc5 30. Nxc5 Bc8 31. a3 Qe7 32. b4 Kg8 33. Qf3 Nh8 34.
Nb3 a4 35. Nc5 Nf7 36. Qh5 Kh7 37. Kg2 Nd8 38. Rf2 Rc7 39. Nxa4 Be6 40. Nc5 Bf7
41. Qf5+ Bg6 42. Qf8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "da Cruz, Emerson"]
[Black "Moyses Sobrinho, Elias"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "33"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. e4 Nb4 5. d4 Qxd4 6. Qxd4 Nc2+ 7. Kd1 Nxd4
8. Be3 Ne6 9. Bc4 $146 ({RR} 9. f4 c6 10. Nf3 Nc7 11. Bc4 Bg4 12. Ke2 Nd7 13.
a4 e5 14. Rhd1 exf4 15. Bxf4 Ne6 16. Be3 Bb4 17. Na2 Be7 18. b4 Bf6 19. Rac1
Ne5 20. Bb3 a5 21. h3 Bxf3+ 22. gxf3 Ng6 23. Bxe6 fxe6 {Schatz,W-Keller,M 
(2325) Gauting 1976 1/2-1/2 (51)}) 9... c6 10. Nge2 g6 11. Nd4 Nxd4 12. Bxd4 f6
13. e5 Nd7 14. e6 Ne5 15. Bb3 h6 16. Ne2 b6 17. Ng3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "da Rosa, Henrique"]
[Black "Dantas, Neimar"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "192"]
[EventDate "2021.??.??"]

1. Nf3 {Stohl,I} Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. Re1
Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. e4 c5 11. d4 cxd4 12. Nxd4 d6 ({RR} 12... Nc6
13. Nb5 ({RR} 13. Bf4 Bc5 14. Nxc6 ({RR} 14. Nb5 e5 15. Be3 d6) 14... Bxc6 15.
Bd6 Bxd6 16. Qxd6 Qb8 17. Rad1 Qxd6 18. Rxd6 Rfd8 19. Red1 Kf8 20. e5 Bxg2 21.
Kxg2 Ke7 22. f4 Rac8 23. R6d4 f6 24. exf6+ Kxf6 25. b3 Ke7 26. a4 Rc5 27. h4 h5
) {RR} 13... d6 14. Bf4 Ne5 15. b3 a6 16. Nc3 Bc6 17. Qe2 Qb8 18. a4 Bf6 19.
Rac1 Rd8 20. h4) 13. Be3 Re8 ({RR} 13... a6 14. Rc1 Nd7 15. f4 Rc8 16. Bf2 Qc7
({RR} 16... Re8 17. Qd2 ({RR} 17. b3 Bf8 18. f5 Ne5 19. a4 exf5 20. Nxf5 b5 21.
axb5 axb5 22. Ne3 g6) 17... Bf8 18. b4 e5 19. Nf5 Re6 20. Qd3 a5 21. a3 axb4
22. axb4 Nf6 23. Nh4 exf4 24. gxf4 Qc7 25. Nf5 Rce8) 17. Qe2 Rfe8 18. Nb3 Nc5
19. Nxc5 bxc5 20. h4 Bc6 21. g4 Qb7 22. g5 Rb8 23. b3 a5 24. Bh3 a4 25. Rc3
axb3 26. axb3 Ra8 27. Re3 Bf8 28. h5) ({RR} 13... Nd7 14. f4 a6 15. f5 e5 16.
Nc2 Rc8 17. b3 Nf6 18. Bf2 b5 19. cxb5 axb5 20. Nb4 Qc7 21. g4 h6 22. h4 Qd8
23. Re3 Re8 24. g5 d5 25. Nxd5 Nxd5 26. exd5 Bc5) 14. Rc1 a6 15. f4 Nd7 16. Bf2
Qc7 17. b3 Bf6 18. Nc2 $146 ({RR} 18. Qd2 Rad8 19. g4 Nc5 ({RR} 19... g6 20. g5
Bg7) ({RR} 19... e5 20. Nf5 ({RR} 20. g5 Be7 ({RR} 20... Bxg5 21. fxg5 exd4)
21. Nf5 exf4 22. Qxf4 Ne5) 20... exf4 ({RR} 20... Nc5 21. g5 Be7 22. Nxe7+ Qxe7
23. b4 Na4 24. f5) 21. Qxd6) 20. b4 g6 ({RR} 20... Nd7 21. g5 Be7 22. f5) 21.
Nc2 ({RR} 21. g5 Bg7 22. Qc2 Nd7 23. f5 Be5) 21... Nd7 22. g5 Bg7 ({RR} 22...
Be7 23. Ne3 f6 ({RR} 23... e5 24. Nd5) 24. f5) 23. Ne3 h5 ({RR} 23... f5 24.
exf5 ({RR} 24. gxf6 Nxf6 25. Qd3 Nh5) ({RR} 24. Qd3 fxe4 25. Bxe4 Bxe4 26. Qxe4
a5 27. a3 Bb2) 24... gxf5 25. Red1 Nf8) 24. gxh6 Bxh6 25. Ng4 Bf8 ({RR} 25...
Bg7 26. Bh4 Rc8 ({RR} 26... f6 27. Red1) 27. Red1) 26. Bh4 Rc8 ({RR} 26... Be7
27. Bxe7 Rxe7 28. Red1 f5 29. e5 ({RR} 29. Nf2) 29... dxe5 30. Nxe5 Bxg2 31.
Kxg2) 27. Bg5 a5 28. a3 axb4 29. axb4 Ba6 ({RR} 29... f5 30. Nf2) 30. f5 Bxc4 (
{RR} 30... exf5 31. exf5 gxf5 32. Nf6+ Nxf6 33. Bxf6) 31. f6 Ne5 32. Nh6+ Bxh6
{Vallejo Pons,F (2629)-Adams,M (2742) Linares 2002 CBM 088 [Stohl,I] 1/2-1/2 
(41)} ({RR} 32... Kh7 33. Qf4 Nd3 34. Qh4 Nxe1 35. Nxf7+ Kg8 36. Qh8+ Kxf7 37.
Qh7+)) 18... Rad8 19. Ne3 Bc6 20. Qc2 Bd4 21. Nd5 Bxf2+ 22. Kxf2 Qa7 23. Ne3 a5
24. f5 Ne5 25. Qe2 Qb7 26. Qc2 b5 27. Kg1 Qa7 28. Kh1 b4 29. Rcd1 Qc5 30. Qf2
a4 31. f6 g5 32. Qe2 Kh8 33. Qh5 Rg8 34. Ng4 Nxg4 35. Qxg4 Qe5 36. bxa4 Ra8 37.
Rf1 Rxa4 38. Rd2 Ra6 39. Qe2 Raa8 40. Rfd1 Ba4 41. Rb1 Rab8 42. Qd3 Rgd8 43.
Qd4 Qxd4 44. Rxd4 e5 45. Rd5 h5 46. Rb2 Bc6 47. Rd3 Ba4 48. Rd5 Kh7 49. Rbd2
Rdc8 50. Bf1 Bc6 51. Rxd6 Bxe4+ 52. Kg1 Bf3 53. Kf2 e4 54. Rb2 Kg6 55. Ke3 Rc7
56. Ra6 Rcb7 57. c5 Rc7 58. Kd4 Rd8+ 59. Rd6 Rcd7 60. Ke5 Re8+ 61. Kd4 Rxd6+
62. cxd6 Kxf6 63. Rxb4 Ke6 64. d7 Rd8 65. Bb5 f5 66. Bc6 Kd6 67. Rb6 Kc7 68.
Ra6 Be2 69. Ra8 Rxa8 70. Bxa8 Kxd7 71. a4 Kc7 72. a5 Bb5 73. Bd5 Kd6 74. Bf7 h4
75. gxh4 gxh4 76. Bg6 Ke6 77. Bh5 Bc6 78. a6 f4 79. Bg4+ Kd6 80. Bc8 e3 81. Bg4
Kc7 82. Be2 Kb6 83. Bd3 Bg2 84. Bc4 Bf3 85. Kc3 Bg4 86. Kd3 e2 87. Kd2 f3 88.
Ke1 Kc6 89. Bd3 Kb6 90. Bc4 Bh3 91. Bd5 Bg2 92. Bb7 Kc5 93. Kf2 Kd4 94. Bc8
e1=Q+ 95. Kxe1 Ke3 96. a7 f2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "de Deus Filho, Joaquim"]
[Black "Neves, Andrey de Souza"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "126"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d3 c5 3. g3 Nc6 4. Bg2 e5 5. O-O Nf6 6. Nbd2 Be7 7. e4 d4 8. a4
Bg4 9. h3 Bh5 10. g4 ({RR} 10. Nc4 Nd7 11. Qe1 Qc7 12. c3 O-O 13. Bd2 Nb6 14.
Ncxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qc7 17. g4 Bg6 18. f5 Bd6 19. cxd4 cxd4 20. a5
Nd7 21. Rc1 Bh2+ 22. Kh1 Qe5 23. Qf2 Bg3 24. Qf3 Rac8 {Stehno,P (2325)-Simek,P
(2322) Czech Republic CZE 2023 1/2-1/2 (51)}) 10... Bg6 11. Nc4 Nd7 12. Bd2
$146 ({RR} 12. Nh2 f6 13. f4 Bf7 14. Nf3 a6 15. g5 Bxc4 16. dxc4 exf4 17. gxf6
Bxf6 18. e5 Bxe5 19. Nxe5 Ncxe5 20. Bxf4 O-O 21. Qh5 Qe7 22. Bg3 Ng6 23. Rxf8+
Rxf8 24. Re1 Nf6 25. Qf5 Qd7 26. Qxd7 Nxd7 {Fluvia Poyatos,J (2318)-Martinez
Martin,D (2343) Seville 1999 0-1 (48)}) 12... h5 13. g5 h4 14. Qc1 Rh5 15. Kh1
Qc7 16. a5 O-O-O 17. Nh2 f5 18. gxf6 gxf6 19. Bf3 Rh7 20. Rg1 Bh5 21. Bxh5 Rxh5
22. Qd1 Rdh8 23. a6 b6 24. Qg4 Nb4 25. Qe6 Kd8 26. Bxb4 cxb4 27. Rg7 Re8 28.
Qd5 f5 29. Rag1 fxe4 30. R1g6 exd3 31. cxd3 Rf5 32. Ng4 Qc5 33. Qa8+ Qc8 34.
Qxa7 Qc7 35. Qa8+ Qc8 36. Qxc8+ Kxc8 37. Nxb6+ Nxb6 38. Rxb6 e4 39. Rb7 exd3
40. f3 d2 41. Nf2 Rxf3 42. Nd1 Rf1+ 43. Rg1 Rxg1+ 44. Kxg1 Bc5 45. Rf7 d3+ 46.
Kg2 Re2+ 47. Kf3 Re1 48. a7 Bxa7 49. Rxa7 Rxd1 50. Ke3 Rh1 51. Kxd2 Rxh3 52. b3
Rg3 53. Rh7 h3 54. Rh4 Kd7 55. Rxb4 Ke6 56. Rb5 Kf6 57. b4 Rg5 58. Rb8 Rh5 59.
Rf8+ Ke5 60. Rf1 h2 61. Rh1 Kd4 62. Kd1 Kc3 63. Ke1 Rg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "8"]
[White "dos Anjos, Avner Augusto"]
[Black "Cunha, Lucas Aguiar"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8.
O-O-O Nxd4 9. Bxd4 e5 10. Be3 h6 11. Kb1 d6 12. h3 Be6 13. g4 Rc8 14. Bd3 $146
({RR} 14. g5 hxg5 15. Bxg5 Qa5 16. Nd5 Nxd5 17. exd5 Bd7 18. Bd3 g6 19. Qf6 Rh7
20. f4 Bb5 21. fxe5 Bxd3 22. Rxd3 Qc7 23. Rc3 Qb8 24. Rxc8+ Qxc8 25. exd6 Kd7
26. Re1 Bxd6 27. Re7+ {1-0 (27) Musalov,R (2342)-Cunha,L (2304) chess.com INT
2023}) 14... Be7 15. Nd5 Nxd5 16. exd5 Bd7 17. h4 g6 18. h5 g5 19. Bf5 Bxf5 20.
Qxf5 Qd7 21. Qxd7+ Kxd7 22. b3 b5 23. Rh3 f5 24. gxf5 Rhf8 25. f6 Bxf6 26. Rc1
e4 27. Rg3 Bc3 28. Rg4 Rce8 29. Rd1 Rf5 30. a3 a5 31. Bb6 Kc8 32. a4 b4 33. Rg3
Ree5 34. Rxc3+ bxc3 35. Bxa5 Rxd5 36. Rxd5 Rxd5 37. Bxc3 g4 38. Kc1 e3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Abrantes, Tiago Garrido"]
[Black "Pereira, Geanfrancesco"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qa5 8. d5 a6
({RR} 8... cxd5 9. Nxd5 Nxd5 10. cxd5 Nd7 11. e4 Nc5 12. Nd4 Bg4 13. f3 Bd7 14.
Be3 Rfc8 15. Rf2 Na4 16. Bf1 Nb6 17. b3 Qc3 18. Nc2 Rc7 19. Rb1 Rac8 20. Bd3
Be8 21. f4 Bd7 22. Kg2 Qa5 23. Bd2 {Birnboim,N (2465)-Barlov,D (2520) Saint
John 1988 0-1 (37)}) ({RR} 8... Bd7 9. Nd2 Rc8 10. e4 Ng4 11. Qb3 Na6 12. Nf3
Nc5 13. Qc2 cxd5 14. Nxd5 Qd8 15. Bg5 f6 16. Bd2 e6 17. Nc3 Na6 18. h3 Ne5 19.
Nxe5 dxe5 20. Qd3 Nb4 21. Qe2 Nc2 22. Rac1 Nd4 23. Qd3 {Byron,A (2134)-Suez
Panama,G (1868) Hastings ENG 2024 0-1 (46)}) 9. Nd2 $146 ({RR} 9. a3 c5 10. Bd2
Qc7 11. Qc2 e6 12. a4 exd5 13. cxd5 b6 14. e4 {1/2-1/2 (14) Pliva,V (2170)
-Kupka,F (2005) Plzen 2000}) 9... Ng4 10. Qc2 e5 11. h3 Nh6 12. Rb1 Qd8 13. b4
cxd5 14. cxd5 f5 15. e4 Nd7 16. Nf3 Nb6 17. Ng5 fxe4 18. Ngxe4 Nf5 19. Qd3 Qc7
20. Ng5 Nd4 21. Ne2 Bf5 22. Be4 Bxe4 23. Qxe4 Nxe2+ 24. Qxe2 Qc4 25. Qxc4 Nxc4
26. Kg2 Rac8 27. Ne4 b5 28. Rd1 h6 29. Ra1 Kf7 30. a4 Ra8 31. Be3 Ke7 32. Ra2
Rfc8 33. axb5 axb5 34. Rda1 Rxa2 35. Rxa2 Rc7 36. Ra8 Nxe3+ 37. fxe3 Bf8 38.
Rb8 Rc4 39. Rb7+ Kd8 40. Nf6 h5 41. Rd7+ Kc8 42. Rh7 Kd8 43. Rd7+ Kc8 44. Rh7
Kd8 45. g4 hxg4 46. hxg4 Rxb4 47. g5 Be7 48. Rh8+ Kc7 49. Rh7 Kd8 50. Rh8+ Kc7
51. Kf3 Rb1 52. Kf2 b4 53. Rh7 Kd8 54. Rh8+ Kc7 55. Rh7 Kd8 56. Rh8+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Andrade, Dalson Holanda"]
[Black "Teixeira, Jonas"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. Be2 Nbd7 7. O-O Nh5 8. Bh2
e5 ({RR} 8... c6 9. c4 b6 10. Nc3 Bb7 11. Qd2 a6 12. a3 b5 13. b3 Rc8 14. Rab1
Re8 15. Rfd1 Nhf6 16. b4 bxc4 17. Bxc4 Nb6 18. Be2 Nbd5 19. Bd3 Qd7 20. Ne2 Bh6
21. Re1 Qe6 22. Qb2 Rb8 23. e4 {Stocek,J (2570)-Riha,V (2253) Teplice CZE 2018
1-0 (36)}) 9. dxe5 Re8 ({RR} 9... dxe5 10. c4 e4 11. Nd4 Nhf6 12. Nc3 c6 13.
Qc2 Qe7 14. Rad1 Re8 15. a3 a5 16. Rd2 Bf8 17. Rfd1 Nc5 18. b4 axb4 19. axb4
Nd3 20. b5 c5 21. Nb3 Bf5 22. g4 Be6 23. Bxd3 exd3 24. Qxd3 {Nathan,N (2220)
-Matinian,N (2421) chess.com INT 2023 1/2-1/2 (63)}) 10. c4 dxe5 $146 ({RR} 
10... Nxe5 11. Nd4 Nf6 12. Nc3 h5 13. Qc2 Nfd7 14. Ndb5 Nb6 15. Nd5 Nxd5 16.
cxd5 c6 17. dxc6 bxc6 18. Nd4 c5 19. Nf3 Nxf3+ 20. Bxf3 Rb8 21. Rab1 Rb4 22.
Rfe1 Qb6 23. b3 Bd7 24. Rbd1 Be5 25. Bxe5 {Doppioni,M (1611)-Bravo,D (1425)
Ivrea 2007 1/2-1/2 (34)}) 11. Nc3 c6 12. Nd2 Nhf6 13. Nde4 Nxe4 14. Nxe4 Qe7
15. Qd6 f5 16. Qxe7 Rxe7 17. Nd6 e4 18. Rfd1 b6 19. Rab1 Ba6 20. b4 Rf8 21. b5
cxb5 22. cxb5 Bc8 23. Bc4+ Kh8 24. Nxc8 Rxc8 25. Bd6 Ree8 26. Bf7 Ne5 27. Bxe8
Rxe8 28. Bxe5 Bxe5 29. Rd7 Bc3 30. Rbd1 Kg8 31. Rd8 Kf8 32. R1d7 Rxd8 33. Rxd8+
Ke7 34. Ra8 Kd6 35. Rxa7 Kc5 36. a4 h5 37. Rc7+ Kb4 38. Rc6 g5 39. Rxb6 Kxa4
40. Rg6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Aoyama, Edmundo"]
[Black "Trevisan, Rodrigo"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. c4 d6 6. d4 Nbd7 7. Be2 e5 8. O-O
e4 9. Nfd2 Re8 10. Nc3 Nf8 11. Re1 ({RR} 11. b4 h5 12. b5 N8h7 13. Rc1 Bf5 14.
a4 c6 15. Ba3 h4 16. Rb1 Ng5 17. Kh1 h3 18. g3 Bf8 19. Nb3 Qd7 20. a5 cxb5 21.
Nxb5 Bg4 22. Nd2 b6 23. Nc3 bxa5 24. Rb5 Bf5 25. Nd5 Nxd5 {Kortschnoj,V (2625)
-Kasparov,G (2800) Paris 1990 1/2-1/2 (41)}) ({RR} 11. d5 h5 12. Qc2 Bf5 13.
Rad1 N8h7 14. b4 Ng5 15. Nb3 Ng4 16. Nd4 Bxd4 17. Rxd4 Nf3+ 18. gxf3 exf3 19.
Qxf5 gxf5 20. Bxf3 Kh7 21. h3 Ne5 22. Bg2 Rg8 23. Kh2 Rxg2+ 24. Kxg2 Qg5+ 25.
Kh1 Rg8 {Sohal,T (2234)-Andreikin,D (2729) chess.com INT 2023 0-1}) 11... h5
12. Nf1 N8h7 $146 ({RR} 12... N6h7 13. Qc2 h4 14. h3 Ng5 15. Nh2 Nfh7 16. Bf1
f5 17. c5 c6 18. d5 Be5 19. dxc6 bxc6 20. cxd6 Qxd6 21. Bc4+ Be6 22. Bxe6+ Nxe6
23. Nf1 Nc5 24. Ba3 Qf6 25. Bxc5 Bxc3 26. Bd4 Bxd4 27. Qc4+ {Golda,H (2230)
-Solomunovic,I (2365) Bayern 1998 1/2-1/2 (57)}) 13. Rc1 Ng5 14. f4 exf3 15.
Bxf3 Nxf3+ 16. Qxf3 c6 17. h3 Nh7 18. Rc2 Ng5 19. Qf4 Bxh3 20. d5 Be5 21. Qf2
Bd7 22. Nd2 Qf6 23. Nf3 Nxf3+ 24. gxf3 Bf5 25. Rcc1 Qg5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Aranha Filho, Alvaro"]
[Black "Nemeth Jr, Henrique"]
[Result "1-0"]
[ECO "E16"]
[PlyCount "107"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. g3 b6 7. Bg2 Bb7 8.
O-O O-O 9. a3 ({RR} 9. Qd3) 9... bxa3 10. Rxa3 Qc7 ({RR} 10... Na6) 11. Nbd2 a5
12. Qb1 Nc6 13. e4 d6 ({RR} 13... e5 14. d5 Ne7 15. Qc2 d6 16. Ne1 Nd7 17. Nd3
Nc5) 14. d5 exd5 15. cxd5 Nb4 16. Rc1 $146 ({RR} 16. Rc3 Qe7 17. Nd4 g6 18.
Rfc1 Na6 19. Nc4 Qd8 ({RR} 19... Nc5 20. f3 Ra6) 20. Nb5 Ne8 21. e5 ({RR} 21.
f4 f5 22. e5) 21... dxe5 22. Nxe5 Nc5 23. Rd1 Ba6 24. Nc6 Qd7 25. Nbd4 Nd6 26.
b4 axb4 27. Qxb4 Qc7 28. Nb3 Nxb3 29. Rxb3 b5 30. Bf1 Rfe8 {Bernard,C (2295)
-Cerisier,P (2275) Epinal 1986 1-0 (32)}) 16... Qe7 17. Nd4 Rac8 18. Rac3 Qe5
19. Nf5 Nfxd5 20. exd5 Rxc3 21. bxc3 Nxd5 22. Bxd5 Bxd5 23. Re1 Qxc3 24. Ne7+
Kh8 25. Nxd5 Qxd2 26. Nxb6 Rb8 27. Qe4 h6 28. Nc4 Qb4 29. Rd1 Qa4 30. Rxd6 Re8
31. Qd3 Qb5 32. Rd8 Rxd8 33. Qxd8+ Kh7 34. Qd3+ Kg8 35. Qd8+ Kh7 36. Nxa5 Qb1+
37. Kg2 Qe4+ 38. Kf1 Qh1+ 39. Ke2 Qe4+ 40. Kd2 Qb4+ 41. Kd3 Qb1+ 42. Kc4 Qc2+
43. Kb5 Qxf2 44. Qd3+ g6 45. h4 Qb2+ 46. Nb3 Qe5+ 47. Nc5 Qb2+ 48. Kc6 Qf6+ 49.
Qd6 Qf3+ 50. Kd7 Kg8 51. Qe5 g5 52. hxg5 Qg4+ 53. Ke7 hxg5 54. Ne4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Araujo, Everson"]
[Black "Cardoso, Lucas do Valle"]
[Result "1/2-1/2"]
[ECO "E04"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 b5 5. a4 b4 6. c4 ({RR} 6. O-O Be7 7. c4
bxc3 8. bxc3 Ba6 9. Ne5 Nfd7 10. c4 Nxe5 11. cxd5 exd5 12. dxe5 c6 13. Bb2 O-O
14. Nd2 Nd7 15. Nf3 Bc5 16. Qc2 Qe7 17. Bh3 Nb6 18. Bf5 g6 19. Bd3 Nc4 20. Nd2
Nxd2 {Siekanska,M (2126)-Dwilewicz,K (2112) Karpacz POL 2023 1/2-1/2 (84)})
6... Be7 ({RR} 6... bxc3 7. Nxc3 Ba6 8. O-O Nbd7 9. Bf4 c6 10. a5 Nh5 11. Bg5
Qc7 12. Re1 h6 13. Bd2 Nhf6 14. e4 Be7 15. exd5 Nxd5 16. Ne5 Nxe5 17. dxe5 Nxc3
18. Bxc3 O-O 19. Qg4 Rfd8 20. Rad1 Bd3 21. Qf3 {Vocaturo,D (2617)-Xiong,J 
(2709) chess.com INT 2020 1/2-1/2}) 7. O-O Bb7 8. c5 a5 9. Qc2 $146 ({RR} 9.
Ne5 Nc6 10. Bf4 O-O 11. Nxc6 Bxc6 12. Nd2 Ra7 13. Nf3 Nd7 14. Ne5 Nxe5 15. dxe5
Qd7 16. Qd4 b3 17. Bd2 f6 18. Bh3 fxe5 19. Qxe5 Rf6 20. Rad1 Bxc5 21. e4 Qf7
22. Rc1 Bd6 23. Qd4 Ra6 {Borisova,E (2307)-Dubnikova,A (2056) Satka RUS 2019
1-0 (32)}) 9... Nc6 10. Nbd2 O-O 11. e4 dxe4 12. Nxe4 Nd5 13. Rd1 h6 14. b3 f5
15. Ned2 Nc3 16. Re1 Bf6 17. Nc4 Bxd4 18. Be3 Bxe3 19. Rxe3 f4 20. Rxe6 fxg3
21. Rxh6 gxf2+ 22. Kxf2 Rxf3+ 23. Bxf3 gxh6 24. Qg6+ Kf8 25. Qxh6+ Ke7 26. Qg5+
Kf8 27. Qh6+ Ke7 28. Qg5+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Arruda Filho, Ivo"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "30"]
[EventDate "2021.??.??"]

1. Nf3 Nc6 2. d4 d5 3. Bf4 f6 4. e3 Bg4 5. Be2 e5 6. dxe5 Bxf3 7. Bxf3 fxe5 8.
Bg3 Nf6 9. O-O ({RR} 9. Nc3 Bb4 10. O-O Bxc3 11. bxc3 O-O 12. c4 e4 13. cxd5
Ne7 14. Be2 Nexd5 15. Qd4 c6 16. c4 Ne7 17. Qb2 b6 18. Rfd1 Qe8 19. Bd6 Rf7 20.
a4 Nf5 21. Bf4 Rd8 22. a5 bxa5 23. Rxd8 Qxd8 {Nesterov,A (2597)-Belyakov,B 
(2415) Khanty-Mansiysk RUS 2023 1-0}) 9... Qd6 $146 ({RR} 9... Be7 10. c3 O-O
11. Nd2 Rb8 12. Qc2 e4 13. Be2 Kh8 14. Nb3 a6 15. Nd4 Nxd4 16. cxd4 Bd6 17.
Bxd6 Qxd6 18. Rac1 Rf7 19. Qc5 Qxc5 20. Rxc5 c6 21. h3 Rbf8 22. a4 h5 23. b4 g5
24. b5 {Morell Falgueras,D-Barcelo Presas,T Malgrat del Mar 1998 0-1 (53)}) ({
RR} 9... e4 10. Be2 Bd6 11. c4 d4 12. Bxd6 Qxd6 13. exd4 Qxd4 14. Nc3 O-O-O 15.
Qa4 Kb8 16. Rfd1 Qe5 17. Qb5 Qe7 18. Nd5 Nxd5 19. cxd5 Ne5 20. Qb3 Rd6 21. Rd4
Ng6 22. Qc2 e3 23. f4 Rhd8 24. Rad1 {Gombocz,F (2314)-Vojta,T (2311) Podbanske
SVK 2023 0-1 (47)}) 10. c4 O-O-O 11. cxd5 Nxd5 12. Nc3 Nxc3 13. bxc3 Qxd1 14.
Rfxd1 Bd6 15. Be4 Ne7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Azevedo Jr, Joao"]
[Black "Ferreira, Fernando G"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. c3 Nf6 4. Qe2 Bg7 5. g3 O-O 6. Bg2 Nc6 7. O-O d6 8. d3
Bg4 ({RR} 8... e5 9. a3 a5 10. a4 h6 11. Na3 d5 12. exd5 Nxd5 13. Nd2 Be6 14.
Nb5 Qe7 15. Nc4 Rad8 16. Bd2 Rd7 17. Rad1 Qd8 18. Bc1 Re8 19. Rfe1 f5 20. Qf1
Kh7 21. f4 Bg8 22. fxe5 Nxe5 23. Nxe5 {Markovic,M (2504)-Perunovic,M (2479)
Jahorina 2003 1/2-1/2 (36)}) 9. Be3 $146 ({RR} 9. h3 Bd7 10. Be3 Rb8 11. Nbd2
b5 12. d4 cxd4 13. cxd4 e6 14. Rfc1 Qe7 15. Qd3 Rfc8 16. a3 a5 17. Rc2 Qd8 18.
Rac1 Ne7 19. Bf4 Qb6 20. g4 Ne8 21. Bg3 Rxc2 22. Rxc2 Rc8 23. e5 Rxc2 {
Boehnisch,M (2366)-Werchan,H (2162) Berlin 2008 1/2-1/2 (40)}) ({RR} 9. a3 a5
10. a4 d5 11. e5 Nd7 12. Bf4 Ndxe5 13. Nbd2 d4 14. c4 f5 15. h3 Nxf3+ 16. Nxf3
Bxf3 17. Bxf3 e5 18. Bd2 Qd7 19. Bd5+ Kh8 20. f4 Rae8 21. Qg2 Re7 22. Bxc6 Qxc6
23. Bxa5 e4 {Kotepalli,S (1910)-Atanasov,A (2150) chess.com INT 2022 0-1 (52)})
9... Ne5 10. Nbd2 Qc8 11. d4 cxd4 12. cxd4 Nxf3+ 13. Bxf3 Bxf3 14. Qxf3 Qh3 15.
Rfd1 Ng4 16. Qg2 Qxg2+ 17. Kxg2 Nxe3+ 18. fxe3 Rac8 19. Rac1 b5 20. Nb3 Bh6 21.
Kf2 f5 22. Rxc8 Rxc8 23. exf5 gxf5 24. Rc1 Rxc1 25. Nxc1 Kf7 26. Nd3 Ke6 27.
Kf3 a5 28. b3 Kd5 29. Nf4+ Kc6 30. Ne6 a4 31. e4 fxe4+ 32. Kxe4 Kd7 33. d5 axb3
34. axb3 Bd2 35. Nf8+ Ke8 36. Nxh7 Kf7 37. Kf5 Be3 38. Ng5+ Bxg5 39. Kxg5 e6
40. dxe6+ Kxe6 41. h4 Kf7 42. Kf5 b4 43. g4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Barbosa, Evandro Amorim"]
[Black "Piccoli, Lucas"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "125"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 g6 5. O-O Bg7 6. Re1 O-O 7. h3 Ne8 ({RR} 
7... Nd4 8. Bc4 d6 9. a4 Be6 10. d3 Nd7 11. Nd5 Ne5 12. Nxe5 dxe5 13. c3 Nc6
14. Be3 b6 15. b4 cxb4 16. cxb4 Nd4 17. Bxd4 exd4 18. a5 b5 19. Bxb5 Bxd5 20.
exd5 Qxd5 21. Bc4 Qd6 22. Qb3 {Friedel,J (2498)-Markos,J (2557) Beijing 2008
0-1 (51)}) 8. d3 Nd4 ({RR} 8... Nc7 9. Bxc6 bxc6 10. e5 d6 11. Bf4 Ne6 12. Bg3
Nd4 13. b3 Nxf3+ 14. Qxf3 d5 15. Na4 Qa5 16. Bh4 Re8 17. c4 Be6 18. Rad1 dxc4
19. dxc4 Bxc4 20. Qxc6 Rac8 21. Qb7 Rcd8 22. Bxe7 Rxd1 23. Rxd1 {Lewicki,M 
(2336)-Buscar,M (2041) chess.com INT 2022 1-0 (37)}) 9. Bc4 d6 $146 ({RR} 9...
Nc7 10. a4 d6 11. Be3 e6 12. Ba2 b6 13. Nh2 Kh8 14. Qd2 Bb7 15. Nd1 d5 16. c3
Nc6 17. exd5 Nxd5 18. Bh6 Nf6 19. Bxg7+ Kxg7 20. Ne3 h5 21. Nf3 Ba6 22. Nc4
Bxc4 23. Bxc4 Qd6 24. Qg5 {Zozulia,A (2324)-Natter,M (2021) Feffernitz 2015 1/
2-1/2}) 10. Bg5 h6 11. Be3 Nc7 12. a4 Nce6 13. Nh2 Kh7 14. Nd5 Rb8 15. c3 Nc6
16. Qd2 a6 17. Ng4 h5 18. Nh2 b5 19. axb5 axb5 20. Bb3 b4 21. Ba4 bxc3 22. bxc3
Bd7 23. Reb1 Re8 24. Nf3 Rxb1+ 25. Rxb1 Qa5 26. Qd1 Ne5 27. Bxd7 Nxd7 28. Rb7
Nef8 29. Qb3 e6 30. Nc7 Re7 31. Nb5 c4 32. Qxc4 Ne5 33. Ng5+ Kg8 34. Qc8 Qa1+
35. Kh2 Rxb7 36. Qxb7 Ned7 37. d4 h4 38. Qc6 Qa4 39. Nxf7 Nb8 40. Qe8 Qc2 41.
Nbxd6 Nbd7 42. Ng5 Qxc3 43. Nxe6 Be5+ 44. Bf4 Bxf4+ 45. Nxf4 Qxd4 46. Qf7+ Kh8
47. Nxg6+ Nxg6 48. Qxg6 Qe5+ 49. g3 hxg3+ 50. Kg2 Qg7 51. Qxg7+ Kxg7 52. Kxg3
Kf6 53. f4 Ke6 54. Nb5 Nc5 55. Kf3 Nd3 56. Nd4+ Kf6 57. Ke3 Ne1 58. e5+ Ke7 59.
f5 Kf7 60. Ke4 Ng2 61. Nf3 Kg7 62. h4 Kh6 63. e6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Barbosa, Marcio Jordao"]
[Black "Soares, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4
Bc5 9. Qd2 O-O 10. O-O-O Nxd4 11. Bxd4 Qa5 $146 ({RR} 11... Qe7 12. Be2 a6 13.
Bf3 Bxd4 14. Qxd4 Nb8 15. Bxd5 Rd8 16. Qc4 exd5 17. Nxd5 Qf8 18. Nb6 Nc6 19.
Nxa8 Be6 20. Qe4 Rxa8 21. f5 Bc8 22. Rd6 Qe7 23. Kb1 Bd7 24. Rhd1 Be8 25. f6
Qf8 26. R6d3 {Blauert,J (2375)-Meier,V (2295) Germany 1988 0-1 (55)}) ({RR} 
11... a6 12. Kb1 b5 13. Qe3 Qc7 14. Bd3 Bxd4 15. Qxd4 Qc5 16. Ne2 b4 17. Rc1
Qxd4 18. Nxd4 Nc5 19. Rhd1 Na4 20. Re1 Bd7 21. Re3 Rfc8 22. f5 exf5 23. Bxf5
Bxf5 24. Nxf5 Re8 25. Rd1 Nb6 26. b3 {Khalifman,A (2699)-Gurevich,M (2633)
Germany 2002 1-0 (45)}) ({RR} 11... a6 12. Qe3 Qc7 13. Bd3 Bxd4 14. Qxd4 b5 15.
Rhe1 Qc5 16. Ne2 b4 17. f5 Qxd4 18. Nxd4 Nc5 19. fxe6 Bxe6 20. Nc6 a5 21. Ne7+
Kh8 22. Be2 a4 23. a3 bxa3 24. bxa3 Ra7 25. Nxd5 Rc8 26. Bf3 {Andreev,K (2151)
-Aaron,D (2308) Lignano Sabbiadoro ITA 2023 1/2-1/2 (47)}) 12. Kb1 Rb8 13. Nb5
Qxd2 14. Rxd2 a6 15. Nd6 Bxd4 16. Rxd4 f6 17. exf6 Nxf6 18. Nxc8 Rbxc8 19. g3
g6 20. Bh3 Rc6 21. Re1 Kf7 22. c3 h6 23. Rb4 b6 24. Rd4 h5 25. Bf1 a5 26. h4
Ne4 27. Rd3 Kf6 28. Bg2 Nd6 29. Rf3 Nf5 30. Bf1 Rd8 31. Bb5 Rcd6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Bisesar, Maycon"]
[Black "Valcarcel, Victor I"]
[Result "1/2-1/2"]
[ECO "D71"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 Nxc3 7. bxc3 c5 8.
e3 O-O 9. Ne2 Nc6 10. O-O Rb8 ({RR} 10... Na5 11. h3 Rb8 12. e4 b6 13. Bf4 e5
14. Bxe5 Bxe5 15. dxe5 Ba6 16. Re1 Qe7 17. Qd6 Rfe8 18. f4 Rbd8 19. Qxe7 Rxe7
20. Bf1 Rd2 21. Rad1 Red7 22. Rxd2 Rxd2 23. Nc1 Bxf1 24. Kxf1 Nc4 25. h4 {
Tan Zhongyi (2530)-Paravyan,D (2586) chess.com INT 2023 0-1 (42)}) 11. Ba3 cxd4
12. cxd4 Qa5 $146 ({RR} 12... Bg4 13. Rc1 Qa5 14. Bc5 Qxa2 15. Rc2 Qa6 16. Bxc6
bxc6 17. Bxe7 Rfe8 18. Bc5 Bf3 19. h3 g5 20. Qd2 Qc8 21. Kh2 Re6 22. Rb2 Ra8
23. Ng1 Rh6 24. e4 Bg4 25. Qxg5 Bxh3 26. Qxh6 Bxh6 27. Nxh3 {Nemeth,J (2280)
-Schreiber,B (2225) Hungary 1997 0-1 (36)}) 13. Qc1 Bd7 14. Qc5 Qa6 15. Nf4 b6
16. Qc1 Rbc8 17. Qb2 Rfe8 18. Nd5 e5 19. Nb4 Nxb4 20. Bxb4 exd4 21. exd4 Re2
22. Qa3 Bb5 23. Qxa6 Bxa6 24. Rfd1 Rc4 25. a3 Bxd4 26. Rxd4 Rxd4 27. Bf1 Ra2
28. Rxa2 Rd1 29. Kg2 Bxf1+ 30. Kf3 Rd3+ 31. Ke4 f5+ 32. Ke5 Kf7 33. Rd2 a5 34.
Rxd3 Bxd3 35. Bd2 Be4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Bueno, Marcos Antonio"]
[Black "Pereira, Mateus Oliveira"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "39"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 Nc6 7. c3 e5 8. e4
dxe4 ({RR} 8... b6 9. Re1 Bb7 10. b4 a6 11. Bb2 {1/2-1/2 (11) Zvjaginsev,V 
(2660)-Inarkiev,E (2664) St Petersburg 2015}) ({RR} 8... Bg4 9. h3 Bxf3 10.
Bxf3 Qd7 11. Bg2 Rad8 12. Qe2 dxe4 13. dxe4 Qd3 14. Re1 Qxe2 15. Rxe2 Bh6 16.
Nf1 Rd1 17. Bxh6 Rxa1 18. Bxf8 Kxf8 19. a3 Rd1 20. Rd2 Rxd2 21. Nxd2 Ke7 22.
Kf1 Nd7 23. Ke2 {Bryakin,M (2481)-Ginzburg,Y (2405) chess.com INT 2023 1-0 (37)
}) 9. Nxe4 Nxe4 10. dxe4 Bg4 11. h3 $146 ({RR} 11. Be3) 11... Qxd1 12. Rxd1
Bxf3 13. Bxf3 Rfd8 14. Be3 h5 15. Be2 b6 16. Bb5 Rxd1+ 17. Rxd1 Rd8 18. Rxd8+
Nxd8 19. Kf1 Kh7 20. Ke2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cadilhac, Igor"]
[Black "Santiago, Yago"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 a6 4. Bd3 c5 5. Nf3 c4 $146 ({RR} 5... cxd4 6. Nxd4
Bb4 7. e5 Nc6 8. Nxc6 bxc6 9. Bd2 Bxc3 10. Bxc3 Ne7 11. O-O Ng6 12. Bd4 Qg5 13.
f4 Qe7 14. Qf3 O-O 15. Qf2 Qh4 16. g3 Qd8 17. f5 exf5 18. Bxf5 Bxf5 19. Qxf5
Qc8 20. Bc5 {Srisawang,P-Saenpoch,K (1523) Ayutthaya THA 2022 1/2-1/2 (37)}) ({
RR} 5... Nf6 6. exd5 exd5 7. O-O c4 8. Re1+ Be7 9. Bf1 O-O 10. Ne5 b5 11. Ne2
Bb7 12. Ng3 Re8 13. Nf5 Bf8 14. Bg5 Nbd7 15. Qf3 Re6 16. Nxd7 Qxd7 17. Nh6+ Kh8
18. Rxe6 fxe6 19. Bxf6 gxf6 20. Qxf6+ {Najer,E (2648)-Van Foreest,J (2671)
chess.com INT 2020 0-1 (46)}) ({RR} 5... Nc6 6. Be3 c4 7. Be2 Bb4 8. e5 Nge7 9.
Qd2 Nf5 10. a3 Qa5 11. O-O Bxc3 12. bxc3 h6 13. Bf4 g5 14. g4 gxf4 15. gxf5
exf5 16. Nh4 Qd8 17. Qxf4 Qg5+ 18. Ng2 Rg8 19. Qf3 Ne7 20. Kh1 {Kabiru Joseph 
(1384)-Mugagga Kaddu (1736) Nairobi KEN 2023 1/2-1/2}) 6. Be2 Bb4 7. O-O Ne7 8.
a3 Ba5 9. exd5 exd5 10. Ne5 O-O 11. Bf3 b5 12. Bf4 f6 13. Ng4 Nbc6 14. h3 Be6
15. Ne3 Bb6 16. Ne2 a5 17. c3 g5 18. Bh2 f5 19. Re1 Qd7 20. Bh5 f4 21. Ng4 Bc7
22. Nc1 Nf5 23. Qe2 Ng7 24. h4 Kh8 25. Kf1 f3 26. gxf3 Bxh2 27. hxg5 Bf4 28.
Kg2 Bxg5 29. Rh1 Nxh5 30. Rxh5 Bxg4 31. fxg4 Rae8 32. Qd1 Re1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Campos, Otavio"]
[Black "Baeta, Marcio Netto"]
[Result "0-1"]
[ECO "A50"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 b6 3. Nf3 Bb7 4. g3 g6 5. d4 Bg7 6. Bg2 O-O 7. O-O d5 8. cxd5
Nxd5 9. Nxd5 Bxd5 10. Bf4 Nd7 11. Qd2 $146 ({RR} 11. Qc1 Rc8 12. Bh6 c5 13.
Bxg7 Kxg7 14. dxc5 Rxc5 15. Qf4 Qa8 16. Rad1 Nf6 17. a3 Rfc8 18. Qe3 e6 19. Rc1
Rc2 20. Rxc2 Rxc2 21. Qe5 Rc4 22. Re1 Qc8 23. Nd2 Rc5 24. Qd4 Bxg2 25. Kxg2 Rd5
{Martensen,O-Behm,V Schleswig Holstein 1991 0-1 (41)}) 11... c5 12. dxc5 Nxc5
13. Rfd1 e6 14. Be5 f6 15. Bf4 Ne4 16. Qb4 g5 17. Be3 a5 18. Qxb6 Qe7 19. Nd2
Rfb8 20. Qd4 f5 21. Qa4 Rb4 22. Qc2 Rxb2 23. Qc1 Nc3 24. Re1 Bxg2 25. Kxg2 Qb7+
26. f3 Rc8 27. Bxg5 Nxa2 28. Qd1 Nc3 29. Qc1 Nxe2 30. Qxc8+ Qxc8 31. Rxe2 Qa6
32. Rae1 Kf7 33. g4 fxg4 34. fxg4 a4 35. Rxe6 Qxe6 36. Rxe6 Kxe6 37. Kg3 Rxd2
38. Bxd2 a3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cardoso, Lucca"]
[Black "Silva, Alex Castro"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Ne4 6. O-O Be7 7. Nfd2 f5 8. Qc2
({RR} 8. Bxe4 fxe4 9. Qg4 O-O 10. Nxe4 h5 11. Qg6 Rf5 12. Nbc3 Bb4 13. d5 Qe7
14. Nb5 Qh4 15. Ng3 Rg5 16. Qe8+ Kh7 17. Nxc7 Qxc4 18. Nxa8 Ba6 19. Rd1 Qc2 20.
Bd2 h4 21. Bxb4 hxg3 22. hxg3 Qxb2 {Stalmach,R (2164)-Pavlicek,L (2004)
Marianske Lazne CZE 2019 1-0}) 8... Nxd2 9. Nxd2 O-O 10. a3 Bd6 $146 ({RR} 
10... c5 11. d5 exd5 12. cxd5 g6 13. e4 fxe4 14. Bxe4 Bf6 15. Nc4 Bg7 16. f4 d6
17. Bd2 Na6 18. f5 Nc7 19. fxg6 Bxd5 20. Bxd5+ Nxd5 21. Qe4 Nf6 22. Qe6+ Kh8
23. Nxd6 hxg6 24. Bc3 Qd7 25. Rxf6 {Nicolas Zapata,I (2203)-Perera Borrego,M 
(2139) Linares 2015 1-0 (33)}) 11. f4 Qf6 12. b4 c5 13. bxc5 bxc5 14. Bb2 cxd4
15. e4 Nc6 16. c5 Bc7 17. exf5 Kh8 18. Ne4 Qh6 19. fxe6 Bxf4 20. Rxf4 Qxf4 21.
Bc1 Qg4 22. Nd6 Qxe6 23. Bd2 Nd8 24. Bg5 Bc6 25. Bxh7 Nf7 26. Bf5 Qd5 27. Qf2
Nh6 28. Bxh6 gxh6 29. Be4 Rxf2 30. Bxd5 Raf8 31. Bxc6 dxc6 32. Rd1 d3 33. Nc4
Rc2 34. Ne5 d2 35. Nd3 Rd8 36. Nf2 Rxc5 37. Kf1 Re5 38. Ng4 Re6 39. Kf2 Rf8+
40. Kg3 Re2 41. h3 c5 42. Nh2 c4 43. Nf3 c3 44. Nd4 Re1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Carvalho, Vitor Augusto"]
[Black "Bandeira, Tarciano"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 exd4 3. Bc4 d6 4. Nf3 Be7 5. Nxd4 Nf6 6. Nc3 Nc6 7. O-O O-O 8.
h3 a6 9. a4 ({RR} 9. Bf4 Bd7 10. a3 Ne5 11. Bb3 Qc8 12. Qe2 c5 13. Bxe5 dxe5
14. Nf3 Qc7 15. Rfe1 Rac8 16. Nd5 Nxd5 17. Bxd5 c4 18. b3 cxb3 19. cxb3 Bb5 20.
Qb2 Qc2 21. Qxc2 Rxc2 22. a4 Be2 23. Rac1 Rxc1 {Lima,V (1788)-Bandeira,T (2026)
Cuiaba MT 2021 1/2-1/2 (95)}) 9... Ne5 ({RR} 9... Nxd4 10. Qxd4 Be6 11. a5 Bxc4
12. Qxc4 {1/2-1/2 (12) Maciejewski,A (2435)-Kholmov,R (2445) Cheliabinsk 1991})
10. Bb3 ({RR} 10. Ba2 c6 11. f4 Ng6 12. Be3 Re8 13. Qf3 Bf8 14. Bf2 Qa5 15.
Rae1 Qb4 16. Bb3 c5 17. Na2 Qa5 18. Nf5 c4 19. Bxc4 Bxf5 20. exf5 Qxf5 21. Bd3
Qxf4 22. Bxg6 Qxf3 23. Bxf7+ Kxf7 24. gxf3 Rac8 {Levitan,C (2129)-Vlajkovic,S 
(2168) chess.com INT 2023 0-1 (47)}) 10... c5 11. Nf3 $146 ({RR} 11. Nf5 Bxf5
12. exf5 Qd7 13. f4 Nc6 14. Nd5 Bd8 15. Ne3 Nd4 16. Qd3 Rb8 17. Ba2 b5 18. axb5
axb5 19. c3 Nc6 20. Rd1 Bc7 21. Nd5 Nxd5 22. Bxd5 Ne7 23. Be4 c4 24. Qc2 Rbd8
25. f6 Ng6 {Kowalewska,A-Wierzejski,D Milanowek 2007 1-0 (31)}) 11... Be6 12.
Nxe5 Bxb3 13. cxb3 dxe5 14. Be3 Qc7 15. Nd5 Nxd5 16. Qxd5 Rfd8 17. Qc4 Rd7 18.
Rac1 Rc8 19. f3 Qd8 20. Rc2 Bg5 21. Bf2 Rd2 22. Qc3 Bf4 23. Rxd2 Qxd2 24. Qxd2
Bxd2 25. Rd1 Rd8 26. Kf1 b6 27. Be3 f6 28. Rxd2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cicuto, Marcelo Cezar"]
[Black "Carmo, Jose Arlindo"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "38"]
[EventDate "2021.??.??"]

1. d4 d5 2. e3 Nf6 3. Nf3 g6 4. Bd3 Bg7 5. O-O O-O 6. b3 c5 7. Bb2 Nfd7 ({RR} 
7... Nbd7 8. Nbd2 b6 9. c4 Bb7 {1/2-1/2 (9) Golubov,S (2516)-Edouard,R (2622)
Warsaw 2017}) ({RR} 7... cxd4 8. exd4 Nc6 9. a3 Bg4 10. Nbd2 Rc8 11. h3 Bxf3
12. Qxf3 e6 13. Qe2 Nh5 14. Qe3 Qc7 15. f4 Ne7 16. g4 Nf6 17. Rac1 a6 18. c4
Qd8 19. c5 Ne4 20. Nxe4 dxe4 21. Bxe4 Qd7 22. Rfd1 {Koc,P (2346)-Mekhitarian,K
(2537) chess.com INT 2023 1/2-1/2 (58)}) 8. Nbd2 Nc6 9. a3 $146 ({RR} 9. c4
cxd4 10. Nxd4 Nxd4 11. Bxd4 Bxd4 12. exd4 dxc4 13. Nxc4 Nf6 14. Qe2 Qxd4 15.
Qxe7 Re8 16. Qd6 Qxd6 17. Nxd6 Rd8 18. Ne4 Rxd3 19. Nxf6+ Kg7 20. Ne8+ Kf8 21.
Nc7 Rb8 22. Rfd1 Bf5 23. Rxd3 Bxd3 {Mihajlov,S (2387)-Tari,A (2553) Reykjavik
2016 1/2-1/2 (52)}) 9... Nb6 10. c4 dxc4 11. Nxc4 cxd4 12. Nxb6 Qxb6 13. exd4
Nxd4 14. Bxd4 Bxd4 15. Nxd4 Qxd4 16. Re1 Be6 17. Qf3 Bd5 18. Be4 Bxe4 19. Rxe4
Qxa1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cinta Larga, Carlos E"]
[Black "Braga, Marcelo Melem"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 d4 5. Qa4+ Nc6 6. Bb5 dxc3 7. Bxc6+ bxc6
8. Qxc6+ Bd7 9. Qxc3 Rc8 $146 ({RR} 9... Nf6 10. d3 e6 11. Nf3 a5 12. a3 Rc8
13. Qe5 Rc5 14. Qg3 Bb5 15. O-O Bxd3 16. Rd1 Nxe4 17. Qf4 Rf5 18. Qe3 Nxf2 19.
Qxf2 e5 20. Qe3 e4 21. Qe1 Bc5+ 22. Be3 Bxe3+ 23. Qxe3 O-O 24. Nd2 {Kueppers,T
(1551)-Bosma,A (1880) Koblenz 1997 0-1 (32)}) 10. Qe3 Qb6 11. d4 Nf6 12. a3 Bg4
13. f3 Bh5 14. Ne2 e6 15. O-O Be7 16. Qg5 Bg6 17. Qe3 O-O 18. b4 Qa6 19. Bd2
Rc4 20. Nc3 Qb6 21. Ne2 Rfc8 22. Bc3 e5 23. Rfd1 Ne8 24. Rd3 f5 25. Rf1 h6 26.
g3 fxe4 27. fxe4 Nf6 28. Nf4 Bxe4 29. Nd5 Bxd5 30. Qxe5 Bd6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Costa, Kerginaldo"]
[Black "Campelo, Danilo"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 Be7 5. g3 b6 6. e5 Nfd7 7. Bg2 c5 8. O-O
Bb7 9. Re1 ({RR} 9. h4 Nc6 10. c4 d4 11. Bf4 h6 12. h5 Qc7 13. Na3 a6 14. Nc2
O-O-O 15. a3 g5 16. hxg6 fxg6 17. g4 Rdf8 18. Bg3 h5 19. Rae1 hxg4 20. Nh2 Rf5
21. Nxg4 Rfh5 22. f4 g5 23. f5 exf5 {Bologan,V (2574)-Demidov,M (2551) chess.
com INT 2021 0-1 (44)}) ({RR} 9. c3 Nc6 10. d4 Qc7 11. Bf4 a5 12. Na3 Ba6 13.
Nb5 Bxb5 14. Qxb5 c4 15. Qa4 h6 16. Qc2 b5 17. Rfe1 Nb6 18. h4 b4 19. h5 Kd7
20. Qe2 Rag8 21. Nh2 g6 22. Bd2 Qd8 23. b3 Qc7 {Perrin,B (1744)-Wang,J (1526)
Wellington NZL 2023 0-1 (46)}) 9... Nc6 10. Bf4 $146 ({RR} 10. c4 d4 11. h4 h6
12. Nbd2 Qc7 13. Nf1 O-O-O 14. a3 a5 15. Bd2 Rhe8 16. N1h2 Bf8 17. Bf4 Be7 18.
Ng4 Rg8 19. h5 Ba6 20. Nd2 b5 21. cxb5 Bxb5 22. Rec1 Qb6 23. Nc4 Bxc4 24. Rxc4
Qb5 {Bokros,A (2483)-Bereczki,J (2191) Zalakaros 2009 1-0 (40)}) 10... g5 11.
Bd2 g4 12. Nh4 Bxh4 13. Qxg4 Ndxe5 14. Qxh4 Qxh4 15. gxh4 Rg8 16. Kf1 O-O-O 17.
Bf4 Nd7 18. Na3 a6 19. c4 Nb4 20. Rad1 Rxg2 21. Kxg2 dxc4+ 22. f3 Nxd3 23. Rxd3
cxd3 24. Nc4 e5 25. Nxe5 Nxe5 26. Bxe5 d2 27. Rd1 Rd3 28. Kf2 Bxf3 29. Rxd2
Rxd2+ 30. Kxf3 Kd7 31. Ke3 Rd5 32. Bc3 Ke6 33. Kf4 b5 34. a3 Rf5+ 35. Kg4 h5+
36. Kg3 Kd5 37. Kg2 Kc4 38. Kg3 b4 39. axb4 cxb4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cruz, Natan"]
[Black "Luz, Arthur Nader"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 O-O 6. O-O b6 7. Qe2 c5 ({RR} 
7... Bb7 8. c3 Nbd7 9. Ne5 c5 10. f4 Ne4 11. Nxe4 dxe4 12. Ba6 Bxa6 13. Qxa6
Nf6 14. Qb7 e6 15. a4 Qd5 16. Qa6 cxd4 17. cxd4 Rfc8 18. Bd2 Rc2 19. Bc3 Nd7
20. Rac1 Rxc1 21. Rxc1 Nxe5 22. fxe5 {Akbaev,K (2475)-Lagno,K (2542)
Khanty-Mansiysk 2013 0-1 (37)}) 8. b3 Bb7 9. Bb2 Nc6 $146 ({RR} 9... Nbd7 10.
Ne5 Ne4 11. f4 Nxd2 12. Qxd2 Nxe5 13. fxe5 e6 14. Rf3 c4 15. Be2 f6 16. exf6
Rxf6 17. Rxf6 Qxf6 18. bxc4 dxc4 19. Bxc4 Rc8 20. Rf1 Qe7 21. Bd3 Rf8 22. Rxf8+
Qxf8 23. Bc4 Qe7 24. Qd3 {Escofet Fernandez,J (2056)-Rodriguez Vargas,S (2009)
Montevideo 2011 1-0}) ({RR} 9... e6 10. Rfe1 Nbd7 11. Rad1 Rc8 12. e4 dxe4 13.
Nxe4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 Qc7 16. c4 Rfd8 17. d5 Bxb2 18. dxe6 Nf6 19.
exf7+ Qxf7 20. Qh4 Rxd1 21. Rxd1 Re8 22. Ng5 Qe7 23. g3 Ne4 24. Re1 {kleber27 
(2107)-Von Buelow,G (2284) lichess.org 2020 1-0 (37)}) 10. c3 Qc7 11. Rac1 e5
12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Nf3 Qh5 15. Nd2 Qh4 16. Nf3 Qg4 17. Nd2 Qe6 18.
Ba6 Bc6 19. Bb5 Bxb5 20. Qxb5 Ne4 21. Qd3 Rad8 22. Rfd1 f5 23. Ba1 Ng5 24. Re1
Qc6 25. h4 Nf7 26. Nf3 c4 27. Qd2 Rfe8 28. Red1 Bf6 29. Qc2 b5 30. Bb2 Nd6 31.
Nd4 Qa6 32. h5 Ne4 33. hxg6 hxg6 34. g3 Nc5 35. Ra1 Bxd4 36. Rxd4 Re4 37. Kg2
Qe6 38. Ba3 Rxd4 39. exd4 Nd3 40. Qd2 f4 41. Qd1 Re8 42. Qf3 Qf5 43. Kg1 Ne1
44. Qh1 fxg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Cunha, Lucas Aguiar"]
[Black "Proudian, Armen"]
[Result "1-0"]
[ECO "E04"]
[PlyCount "123"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. O-O d5 6. a4 b4 7. a5 ({RR} 7. c4
bxc3 8. bxc3 Nbd7 9. Ba3 Bxa3 10. Nxa3 O-O 11. c4 c5 12. cxd5 Bxd5 13. dxc5
Nxc5 14. Nb5 {1/2-1/2 (14) Bacrot,E (2645)-Adams,M (2719) playchess.com INT
2003}) 7... Be7 ({RR} 7... Na6 8. c3 Be7 9. Bf4 O-O 10. Nbd2 c5 11. cxb4 cxb4
12. Nb3 Rc8 13. Qd3 Nb8 14. a6 Bc6 15. Rfc1 Qb6 16. Bxb8 Qxb8 17. Ne5 Bb5 18.
Qd2 Qb6 19. Nd3 Bxa6 20. Ndc5 Bc4 21. Ra4 Bxb3 22. Nxb3 {Salinas Tomas,D (2085)
-Molina Carretero,D (2218) Barcelona ESP 2023 1/2-1/2 (33)}) 8. c3 O-O 9. Ne5
$146 ({RR} 9. cxb4 Bxb4 10. Qb3 Qe7 11. Bd2 Na6 12. Rc1 Rab8 13. Bxb4 Nxb4 14.
Nbd2 Ba6 15. Qe3 Rb7 16. Ne5 Bb5 17. Bf1 Nd7 18. Nxd7 Qxd7 19. Qa3 Na6 20. Rc3
Rfb8 21. Nb3 Bc4 22. Nd2 Bb5 23. Nb3 Bc4 {Meier,G (2628)-Vallejo Pons,F (2693)
Karlsruhe/Baden Baden GER 2019 1/2-1/2}) 9... Nfd7 10. Nd3 bxc3 11. bxc3 c5 12.
Nd2 cxd4 13. cxd4 Ba6 14. Nf3 Nc6 15. Qa4 Rc8 16. Bd2 Bc4 17. Rfb1 a6 18. Bf4
Bb5 19. Qa2 Bf6 20. Be3 Ne7 21. g4 g6 22. Qd2 Rc4 23. Bh6 Re8 24. e3 Qa8 25.
Bf1 Rec8 26. Nb4 e5 27. h3 e4 28. Nh2 g5 29. f4 gxf4 30. Bxf4 Ng6 31. Bg3 Ndf8
32. Qf2 Bg7 33. Qf5 Ne7 34. Qf2 Ne6 35. Bd6 Ng6 36. Bxc4 Bxc4 37. Rc1 Rd8 38.
Bg3 Qb7 39. Rab1 Qb5 40. Nf1 Ng5 41. Kg2 Qd7 42. Nd2 Bb5 43. Rc7 Qe8 44. Rc5
Qe6 45. Qf5 Qxf5 46. gxf5 Ne7 47. h4 Nxf5 48. Bf2 Nf3 49. Nxf3 exf3+ 50. Kxf3
Bc4 51. Nc6 Rd6 52. Rb8+ Bf8 53. e4 Nh6 54. e5 Rd7 55. Be3 Nf5 56. Bg5 Bd3 57.
Kf4 Be4 58. h5 f6 59. Bxf6 Ng7 60. Bxg7 Kxg7 61. h6+ Kf7 62. e6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Custodio, Leandro"]
[Black "Cymbalista, Eduardo"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "107"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. e3 e6 5. Bd3 Bxd3 6. cxd3 Bd6 ({RR} 6... Be7
7. d4 O-O 8. O-O Nbd7 9. Nc3 c5 10. dxc5 Nxc5 11. d4 Nce4 12. Nxe4 Nxe4 13. Nd2
Nxd2 14. Qxd2 Rc8 15. Bc3 Qd7 16. Rfc1 Ba3 17. Bb2 Bxb2 18. Qxb2 Rxc1+ 19. Rxc1
Rc8 20. Rc5 b6 21. Rc3 {Pulpan,J (2406)-Andreassen,L (2168) chess.com INT 2023
1/2-1/2 (54)}) 7. O-O Nbd7 8. d4 Qe7 $146 ({RR} 8... c5 9. dxc5 Nxc5 10. Qe2
O-O 11. d3 Rc8 12. Nbd2 Ncd7 13. Rfc1 Qe7 14. Nd4 Ba3 15. N2f3 a6 16. Qd2 h6
17. h3 Bxb2 18. Qxb2 Nb6 19. Ne5 Nfd7 20. Nxd7 Qxd7 21. a4 Rxc1+ 22. Rxc1 Rc8
23. a5 {Sharbaf,M (2354)-Grabliauskas,V (2332) Teheran 2015 1-0 (43)}) 9. Ne5
O-O-O 10. d3 h5 11. Nd2 Ng4 12. Ndf3 f6 13. Ng6 Qf7 14. Nxh8 Rxh8 15. e4 g5 16.
Qe2 dxe4 17. dxe4 h4 18. e5 fxe5 19. Nxe5 Ndxe5 20. dxe5 Qf4 21. g3 hxg3 22.
hxg3 Qf5 23. exd6 Rh2 24. d7+ Kd8 25. Qxg4 Qxg4 26. Kxh2 Kxd7 27. Rad1+ Kc6 28.
Rc1+ Kb6 29. Rc2 c6 30. Kg1 Qe4 31. Rd2 a5 32. Bd4+ Ka6 33. Be3 g4 34. Rc1 Qf5
35. Rc4 e5 36. Rd1 Qg6 37. Re1 Qf5 38. Bc5 Qg5 39. Rce4 Qd2 40. R4e2 Qc3 41.
Rxe5 a4 42. bxa4 b5 43. axb5+ cxb5 44. a4 b4 45. Bxb4 Qd3 46. Rc5 Kb6 47. Re6+
Kb7 48. Re7+ Kb6 49. Re6+ Kb7 50. Rce5 Qc2 51. Re1 Qf5 52. Re7+ Kc8 53. Ra7 Qf6
54. Re8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Dantas, Neimar"]
[Black "Brito, Luismar"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d6 5. Bg2 c5 6. O-O ({RR} 6. Nc3 cxd4 7.
Nxd4 h5 8. h3 O-O 9. Be3 Qc7 10. Rc1 Nc6 11. O-O Bd7 12. b3 Rfc8 13. Qd2 Qd8
14. Rfd1 a6 15. Kh2 Nxd4 16. Bxd4 Bc6 17. a4 Kh7 18. e4 Qh8 19. a5 Nd7 20. Bxg7
Qxg7 {Vidit,S (2707)-Rapport,R (2736) Hengshui CHN 2019 1-0 (83)}) ({RR} 6. e3
O-O 7. O-O Qc7 8. Nbd2 Nc6 9. b3 Rb8 10. a3 b5 11. cxb5 Rxb5 12. Bb2 Bf5 13.
Rc1 Ne4 14. Nh4 Nxd2 15. Qxd2 Rxb3 16. Nxf5 gxf5 17. Rc2 Na5 18. Rfc1 Rfb8 19.
h4 e6 20. h5 h6 {Grbovic,D (1557)-Mandic,S (1992) Podgorica MNE 2023 0-1}) 6...
Nbd7 7. d5 $146 ({RR} 7. Nc3 Rb8 8. Rb1 b6 9. dxc5 bxc5 10. Qa4 a6 11. b4 O-O
12. b5 axb5 13. Nxb5 Nb6 14. Qd1 Nxc4 15. Nd2 Ne5 16. Qc2 Ba6 17. a4 Bxb5 18.
axb5 Nfd7 19. f4 Ng4 20. Nc4 Qc7 21. h3 Nh6 {Grumer,E-Linhart,G Haifa 1976 1-0
(36)}) 7... b5 8. Re1 O-O 9. h3 bxc4 10. e4 Ne8 11. Qc2 Rb8 12. Na3 Ba6 13. Bf1
Nb6 14. Bd2 e6 15. dxe6 fxe6 16. Bg5 Qd7 17. Nxc4 Nxc4 18. Bxc4 Rxb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Deves, Rafael"]
[Black "Sopko, Cassio Roberto"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. d3 d5 4. exd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 Nc6 8.
Be2 O-O 9. O-O Bg4 ({RR} 9... Nd4 10. Nxd4 exd4 11. Bf3 Qd6 12. Bd2 Be6 13. Bg5
Nd5 14. Re1 Rae8 15. Bd2 b6 16. g3 Bd7 17. Rxe8 Rxe8 18. Qf1 a5 19. a3 h6 20.
Re1 Re6 21. Re4 Nf6 22. Rxe6 Bxe6 23. Bf4 Qc5 24. Qe2 {Camara,J (1874)-Sopko,C
(1821) Littoral Hotel Cabo Branco - 2022 1/2-1/2 (37)}) 10. Re1 Rfe8 11. Ng5
$146 ({RR} 11. h3 Bd7 12. Ng5 Nd4 13. Bf3 Qb5 14. a4 Qa6 15. Ne4 Nxf3+ 16. Qxf3
Nxe4 17. dxe4 {1/2-1/2 (17) Schuchardt,G (2128)-Klueners,J (2173) Kaufungen
2003}) 11... Bxe2 12. Rxe2 Nd4 13. Bxd4 exd4 14. Rxe8+ Rxe8 15. Nf3 c5 16. Qd2
h6 17. b3 b6 18. Re1 Re6 19. Qf4 Rxe1+ 20. Nxe1 Qe6 21. Kf1 Nd5 22. Qd2 f6 23.
a4 Nc3 24. Nf3 g5 25. Qe1 Kf7 26. Qxe6+ Kxe6 27. Ng1 b5 28. axb5 Nxb5 29. Ke1
Nc3 30. Ne2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Duailibi, Ricardo"]
[Black "Ribeiro, Matheus D"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "90"]
[EventDate "2021.??.??"]

1. e4 c5 2. c4 e6 3. Nc3 Nc6 4. g3 Nf6 5. Bg2 Be7 6. Nge2 O-O 7. O-O a6 ({RR} 
7... e5 8. d3 d6 9. f4 Ne8 10. f5 Bg5 11. g4 f6 12. a3 Rb8 13. Qe1 Nd4 14. Nxd4
cxd4 15. Nd5 b5 16. cxb5 Rxb5 17. b4 Nc7 18. Nxc7 Qxc7 19. Bxg5 fxg5 20. Qd2 h6
21. Rfc1 Qb8 22. Rc4 {Morriss,P (2008)-Abdullayev,R (1800) Enniscrone IRL 2023
1/2-1/2 (50)}) 8. a4 ({RR} 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. d4 cxd4 12.
Nxd4 Ba6 13. Re1 Qb6 14. Nxc6 dxc6 15. Qc2 Ng4 16. Nd1 Rfd8 17. Ne3 Nxe3 18.
Rxe3 Bg5 19. Rf3 b4 20. Bc1 Qd4 21. Bb2 Qd2 22. Qxd2 Rxd2 {Okoth,J (2205)
-Adianto,U (2445) Dubai 1986 0-1 (47)}) 8... Qc7 9. d3 b6 $146 ({RR} 9... d6
10. f4 b6 11. h3 Bb7 12. g4 Rfd8 13. f5 Nb4 14. Nf4 Qd7 15. Qe2 Ne8 16. b3 Bf6
17. Bb2 Bd4+ 18. Kh1 Nc7 19. Rae1 Re8 20. Qf3 Qe7 21. Re2 Qh4 22. Nd1 Nc6 23.
Bxd4 Nxd4 24. Qf2 {Lievens,F-Catteau,B (2185) Cappelle-la-Grande 1995 0-1 (51)}
) 10. f4 Bb7 11. h3 Rfd8 12. Kh1 Nb4 13. Ng1 d5 14. cxd5 exd5 15. e5 Ne8 16.
Nf3 d4 17. Ne4 c4 18. Ne1 Rac8 19. dxc4 Qxc4 20. b3 Qc7 21. Bb2 d3 22. Rc1 Bc5
23. Qd2 Qe7 24. Nxc5 bxc5 25. Nf3 Bd5 26. Qd1 f6 27. Nd2 fxe5 28. fxe5 Nc7 29.
Qh5 Bxg2+ 30. Kxg2 Ne6 31. Ne4 Nd5 32. Rf3 Rf8 33. Rcf1 Rxf3 34. Qxf3 Nb4 35.
Bc3 Rf8 36. Qd1 Nd5 37. Bd2 Nd4 38. Rxf8+ Qxf8 39. Nf2 Qf5 40. Ng4 h5 41. Ne3
Qxe5 42. Nxd5 Qxd5+ 43. Kf2 Nxb3 44. Bc3 d2 45. Ke3 c4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Farias, Igor"]
[Black "Franca Jr, Jairo"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. d4 Bb4+ 6. Bd2 Bxd2+ ({RR} 6...
Be7 7. Nc3 c6 8. Qc2 O-O 9. Nf3 a5 10. O-O Na6 11. a3 Nc7 12. Rfe1 Ne6 13. Rad1
Qb6 14. Bc1 h6 15. Qd3 Rd8 16. Nh4 Bf8 17. Nf3 Be7 18. h3 Qa7 19. g4 g5 20. Nh2
Qb8 21. Nf1 {Krstevski,V (2065)-Karadas,H (1477) Skopje MKD 2023 1-0 (50)}) 7.
Nxd2 O-O 8. Ngf3 Bf5 $146 ({RR} 8... Nc6 9. O-O Re8 10. Re1 Ne4 11. Rc1 Qf6 12.
e3 Qd6 13. Qb3 Qb4 14. Qxb4 Nxb4 15. Rxc7 Nd3 16. Re2 Nxb2 17. Nxe4 dxe4 18.
Rxb2 exf3 19. Bxf3 Rb8 20. Bxb7 Bh3 21. Rb3 Red8 22. d5 g6 23. e4 {Lindner,J 
(2077)-Eyer,K (2017) Dresden 2007 1-0}) 9. O-O Nbd7 10. Rc1 Re8 11. Nh4 Bg4 12.
f3 Be6 13. Qc2 c6 14. Rfe1 Nb6 15. b3 Qd7 16. f4 Bg4 17. Ndf3 Qd6 18. Ne5 Be6
19. a4 a5 20. h3 Ne4 21. Kh2 f6 22. Nd3 Nd7 23. Nc5 Ndxc5 24. dxc5 Qc7 25. Nf3
Bf7 26. Nd2 Bg6 27. Nxe4 Bxe4 28. Qc3 Re7 29. e3 Bxg2 30. Kxg2 Rae8 31. Rc2 Re4
32. Rce2 h5 33. Kf3 Qd7 34. g4 Qc7 35. Rd1 Kf7 36. Rd4 Qe7 37. b4 hxg4+ 38.
hxg4 Rh8 39. Kg3 g5 40. Rxe4 dxe4 41. Rd2 gxf4+ 42. exf4 e3 43. Re2 Re8 44. Qd3
Kg7 45. Rh2 Qe4 46. Qd7+ Qe7 47. Qf5 Qe4 48. Qd7+ Re7 49. Qd8 Kf7 50. Rh8 Re8
51. Qxe8+ Qxe8 52. Rxe8 Kxe8 53. bxa5 Ke7 54. f5 Kf7 55. Kf3 Kg7 56. Kxe3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Farias, Sergio Luiz"]
[Black "Peres, Wallafe"]
[Result "1-0"]
[ECO "A82"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 f5 3. Nc3 Nf6 4. Bd3 fxe4 5. Nxe4 g6 6. Nf3 Nxe4 7. Bxe4 d5 8.
Bd3 Bg4 9. O-O $146 ({RR} 9. h3 Bxf3 10. Qxf3 Bg7 11. c3 e6 12. Qg4 Qe7 13. O-O
O-O 14. Re1 Re8 15. Bg5 Qd7 16. f4 Qf7 17. Re3 Nd7 18. Rae1 Nf8 19. Bh4 Rac8
20. Kh1 a6 21. b4 c6 22. Qf3 Bh6 23. Rf1 Rc7 {Trumpp,L (2071)-Schnell,M Hessen
2015 1/2-1/2 (38)}) 9... Bg7 10. c3 O-O 11. Be2 Nc6 12. Ng5 Bxe2 13. Qxe2 Qd6
14. Qe6+ Qxe6 15. Nxe6 Rfc8 16. Bf4 a6 17. Nxc7 e5 18. Nxa8 exf4 19. Nb6 Rd8
20. Rfe1 h5 21. Na4 Bf8 22. Re6 Kg7 23. Rae1 Rd7 24. b4 Rf7 25. Nc5 Bxc5 26.
bxc5 Na5 27. Rd6 f3 28. Ree6 fxg2 29. Rxg6+ Kf8 30. Kxg2 Nc4 31. Rxd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Fedrizzi, Roberto"]
[Black "da Rosa, Henrique"]
[Result "1/2-1/2"]
[ECO "C89"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. d3 dxe4 10. dxe4 Qxd1 11. Bxd1 Bb7 12. Bg5 ({RR} 12. Nbd2 Rfd8 13. Bc2
Nd7 14. Nf1 Nc5 15. Ne3 Nd3 16. Bxd3 Rxd3 17. Nd5 Bd6 18. Rf1 f5 19. Ne1 fxe4
20. Ne3 Rd8 21. Nxd3 exd3 22. Nf5 e4 23. Nxd6 Rxd6 24. Bf4 Rd7 25. f3 exf3 26.
Rxf3 Ne7 {Petrosian,T (2610)-Ivkov,B (2525) Teslic 1979 1/2-1/2}) 12... h6 13.
Bh4 Rad8 ({RR} 13... Rfd8 14. Bb3 Rd7 15. Nbd2 Rad8 16. Nf1 Bc5 17. Bxf6 gxf6
18. Ng3 Ne7 19. Nh5 Rd6 20. Rad1 Kf8 21. Nxf6 Rxd1 22. Rxd1 Rxd1+ 23. Bxd1 Bc8
24. Nxe5 Be6 25. Ned7+ Kg7 26. Nh5+ Kg6 27. Nxc5 Bxa2 28. Nxa6 {Leenhouts,K 
(2438)-Forgacs,A (2227) chess.com INT 2023 1-0 (58)}) 14. Nbd2 $146 ({RR} 14.
Bc2 Ng4 15. Bxe7 Nxe7 16. h3 Nf6 17. Nxe5 Nc6 18. Nxc6 Bxc6 19. f3 Nh5 20. Kf2
Rfe8 21. h4 Nf6 22. Na3 Rd2+ 23. Re2 Red8 24. Rae1 a5 25. Rxd2 Rxd2+ 26. Re2
Rxe2+ 27. Kxe2 b4 28. cxb4 axb4 {Gheng,M (1778)-Lampert,J (1743) playchess.com
INT 2008 0-1 (47)}) 14... Nd7 15. Bxe7 Nxe7 16. Nf1 Ng6 17. Bc2 Nc5 18. Ng3 Nd3
19. Bxd3 Rxd3 20. Rad1 Rfd8 21. Rxd3 Rxd3 22. h3 f6 23. Kh2 Nf4 24. Nf5 Ne6 25.
Ng3 Nc5 26. Re2 Bc8 27. Ne1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Felicio, Leonardo"]
[Black "Carrico, Victor Hugo"]
[Result "1/2-1/2"]
[ECO "E25"]
[PlyCount "106"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8.
dxc5 O-O ({RR} 8... Nd7 9. e4 Ne7 10. Be3 O-O 11. Bb5 Qa5 12. Qb3 Qc7 13. Bxd7
Bxd7 14. Ne2 e5 15. Rb1 Rab8 16. O-O Nc6 17. Rfd1 Be6 18. c4 Na5 19. Qb4 Nxc4
20. Bf2 Qc6 21. Ng3 g6 22. Nf1 Rfd8 23. Rxd8+ {Beliavsky,A (2679)-Kunte,A 
(2532) Pune 2004 1/2-1/2}) 9. c4 $146 ({RR} 9. e4 Ne7 10. Qxd8 Rxd8 11. Nh3 Nd7
12. Be3 Ne5 13. Nf2 Bd7 14. Rb1 Bc6 15. Be2 Rd7 16. O-O Rad8 17. Rb4 N5g6 18.
Rd4 e5 19. Rxd7 Rxd7 20. Rb1 a6 21. Bc4 Kf8 22. Bxa6 {1-0 (22) Sagalchik,G 
(2490)-Moskow,E (2240) New York 1992}) ({RR} 9. e4 Ne7 10. Qxd8 Rxd8 11. Bf4
Ng6 12. Bc7 Rd7 13. Bd6 Nc6 14. Bb5 Rd8 15. Ne2 Bd7 16. a4 Rac8 17. O-O a6 18.
Bxc6 Bxc6 19. Rfd1 e5 20. Ng3 f6 21. Nf5 Kf7 22. Kf2 Rd7 23. Ne3 Ke6 {Ouellet,
M (2231)-Bonin,J (2203) New York USA 2023 1-0 (35)}) 9... Qf6 10. Rb1 Nc3 11.
Bb2 Qh4+ 12. g3 Nxd1 13. gxh4 Ne3 14. Rc1 Rd8 15. Nh3 e5 16. Nf2 Nc6 17. Bh3
Bxh3 18. Nxh3 f6 19. Nf2 Na5 20. Rc3 Naxc4 21. Bc1 Rac8 22. Bxe3 Nxe3 23. Rxe3
Rxc5 24. O-O Ra5 25. Rb1 b5 26. Reb3 Rd2 27. Kf1 a6 28. Rd1 Ra2 29. Rdd3 Ra1+
30. Nd1 Ra4 31. Rbc3 Rxh4 32. Rd7 Rc4 33. Rxc4 bxc4 34. Kf2 Rxa3 35. Rc7 Ra1
36. Nc3 a5 37. Rxc4 Kf7 38. Na4 Ke6 39. Ke3 Kf5 40. Nc5 h5 41. Rh4 Kg5 42. Rc4
Kf5 43. Ra4 Rxa4 44. Nxa4 Kg5 45. Kf2 Kh4 46. Kg2 f5 47. e3 f4 48. exf4 exf4
49. Nc5 g5 50. h3 g4 51. hxg4 hxg4 52. fxg4 Kxg4 53. Kf2 f3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Ferreira, Andrei"]
[Black "Zakowicz, Rafael"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 {Anand,V} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 (
{RR} 7. Bxc6+ bxc6 8. d4) 7... b5 8. Bc2 O-O 9. h3 Bb7 10. d4 Qd7 ({RR} 10...
exd4 11. cxd4 Nb4 12. Bb3 ({RR} 12. Nbd2 Nxc2 13. Qxc2) 12... c5 ({RR} 12...
Bxe4 13. Rxe4 Nxe4 14. a3 d5 15. axb4 Bxb4) 13. a3 Nc6 14. Nc3 Nxd4 ({RR} 14...
c4 15. Bc2 d5 16. e5) 15. Nxd4 cxd4 16. Qxd4 Nd7 17. Nd5 Nc5 18. Ba2 Bxd5 19.
Qxd5 ({RR} 19. Bxd5 Bf6) 19... Rc8 20. Bf4 Ne6 21. Bg3 Rc2 22. Rab1 Qb6 23. Qd1
Nd4 24. Bb3 Rcc8 25. Bd5 {Anand,V (2752)-Sokolov,I (2647) Prague 2002 CBM 089 
[Anand,V] 1-0 (76)} {RR} Rc2 26. Bf4 Bf6 27. Be3 Rfc8 28. Qd3) 11. Nbd2 h6 ({RR
} 11... Rae8 12. Nf1 Bd8 13. Ng3 exd4 14. cxd4 Ne7 15. Bg5 Ng6 16. Bxf6 Bxf6
17. Nf5 Ne7 18. Ne3 Ng6 19. Ng4 Bd8 20. Qd2 h5 21. Ngh2 Bf6 22. Rad1 Qc8 23.
Nf1 c5 24. Rc1 cxd4 25. e5 Qa8 26. exf6 {Gudkov,G (1884)-Timonen,Y Kondopoga
2012 1-0 (32)}) 12. Nf1 Kh7 $146 ({RR} 12... Nh7 13. dxe5 Rad8 14. exd6 cxd6
15. Ne3 Rfe8 16. Nd5 Nb8 17. a4 Bxd5 18. exd5 Nf6 19. axb5 axb5 20. Be3 Qb7 21.
Bb3 Na6 22. Nd4 Nc5 23. Nc6 Ra8 24. Rxa8 Rxa8 25. Nxe7+ Qxe7 26. Bxc5 Qxe1+ 27.
Qxe1 {Yanofsky,D-Farah,J Winnipeg 1959 1-0 (35)}) 13. Ng3 Rg8 14. Nf5 Qe8 15.
Qd2 Bf8 16. d5 Ne7 17. N3h4 g5 18. Nxe7 Qxe7 19. Nf5 Qd8 20. h4 Nh5 21. hxg5
Nf4 22. Kf1 Qxg5 23. g3 Bc8 24. gxf4 Qg2+ 25. Ke2 Bxf5 26. exf5 exf4 27. f6+
Kh8 28. Qxf4 Rg5 29. Be3 Re8 30. Rg1 Qxd5 31. Rxg5 hxg5 32. Qh2+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Filgueiras, Nathan"]
[Black "Molina, Roberto Junio"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "67"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. h5 c5 7. dxc5 e6 8. Be3 Qc7
9. f4 Bxc5 10. Bxc5 Qxc5 11. Qd2 Nc6 12. Nc3 ({RR} 12. Nf3 f6 13. Nc3 fxe5 14.
fxe5 Nge7 15. O-O-O Rf8 16. Be2 O-O-O 17. a3 Kb8 18. Kb1 Nc8 19. g5 hxg5 20.
Qxg5 Qe7 21. Rdg1 Rf7 22. Rh3 Rdf8 23. Qxe7 N8xe7 24. Rhg3 Nf5 25. Rg5 a6 26.
Bd3 Nfe7 {Szpar,M (2428)-Shimanov,A (2581) chess.com INT 2023 0-1 (41)}) 12...
O-O-O $146 ({RR} 12... a6 13. Nf3 Nge7 14. Bd3 O-O-O 15. O-O-O Kb8 16. Kb1 Na7
17. Rhg1 Bb5 18. Nxb5 Nxb5 19. g5 Nc6 20. gxh6 gxh6 21. Rg7 Rdf8 22. c3 Nc7 23.
Rdg1 Ne8 24. R7g2 Nc7 25. Bc2 Qe7 26. Qf2 Qd8 27. Rg7 {Spyropoulos,N (2404)
-Sotiropoulos,A (1919) Patras GRE 2019 1-0 (41)}) 13. O-O-O Nge7 14. Kb1 Kb8
15. Nf3 Nc8 16. Nd4 Nxd4 17. Qxd4 Qxd4 18. Rxd4 Ne7 19. Rd1 Rhf8 20. Bd3 Nc6
21. Rhf1 Bc8 22. Rde1 f6 23. exf6 gxf6 24. Be2 Nd4 25. Bd1 Kc7 26. Rg1 Rg8 27.
Rg2 Kd6 28. Reg1 Rdf8 29. Rd2 e5 30. Nxd5 Kxd5 31. c3 Kd6 32. fxe5+ fxe5 33.
cxd4 e4 34. Rdg2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Fonseca, Rogerio"]
[Black "Oliveira, Joao Victor"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 Nh5 5. Bg5 ({RR} 5. Nbd2 Nxf4 6. exf4 c5
7. c3 cxd4 8. cxd4 Qb6 9. Nb3 a5 10. a4 Nc6 11. Bb5 O-O 12. O-O d6 13. d5 Nb4
14. Nfd4 Na6 15. Bxa6 bxa6 16. Nc6 Re8 17. Re1 e6 18. Qd3 Bb7 19. Rac1 Rac8 {
Rego,V (2483)-alteredboy (2461) lichess.org 2019 0-1}) 5... d5 ({RR} 5... c5 6.
c3 Qb6 7. Qb3 Qxb3 8. axb3 f6 9. Bh4 g5 10. Bg3 Nxg3 11. hxg3 cxd4 12. exd4 d5
13. Bd3 h6 14. Bg6+ Kf8 15. Nbd2 Nc6 16. Nf1 Bd7 17. Ne3 e6 18. c4 Ne7 19. Bh5
dxc4 20. bxc4 {Braganca,J (1215)-De Almeida,R (1681) Niteroi BRA 2023 0-1 (45)}
) 6. h3 $146 ({RR} 6. Be2 h6 7. Bh4 g5 8. Ne5 Nf6 9. Bg3 Nfd7 10. f4 Nxe5 11.
fxe5 Bf5 12. O-O e6 13. Nd2 O-O 14. Bf3 c5 15. c3 Qb6 16. e4 dxe4 17. Bxe4 Bxe4
18. Nxe4 cxd4 19. cxd4 Nc6 20. Nd6 Qxd4+ {Lane,C (1552)-Vujasin,N (1463)
Cammeray 2011 0-1 (38)}) 6... O-O 7. Bd3 Nf6 8. h4 Bg4 9. Bxf6 Bxf6 10. Nbd2
Nd7 11. Qe2 c6 12. O-O-O e5 13. h5 e4 14. Nxe4 dxe4 15. Bxe4 Bxh5 16. Rxh5 Re8
17. Bd3 gxh5 18. Bxh7+ Kxh7 19. Ng5+ Kg7 20. Nxf7 Kxf7 21. Qxh5+ Ke7 22. d5 Rh8
23. Qf5 cxd5 24. Qxd5 Qc7 25. g4 Rag8 26. f3 Bg5 27. Qd4 Nb6 28. Qe4+ Kf8 29.
f4 Qc6 30. Qf5+ Qf6 31. Qc5+ Kf7 32. fxg5 Rxg5 33. Qc7+ Qe7 34. Rf1+ Ke8 35.
Qb8+ Qd8 36. Qe5+ Rxe5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Fontoura, Alexandre"]
[Black "Boabaid, Jorge Alberto"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 Nc6 7. Be3 e6 8. g4
Be7 9. Bg2 Qc7 10. O-O O-O 11. Nce2 $146 ({RR} 11. g5 Nd7 12. f4 Rb8 13. Qg4
Nxd4 14. Bxd4 e5 15. Nd5 Qd8 16. Ba7 Ra8 17. Be3 exf4 18. Qxf4 Ne5 19. Rad1 Be6
20. b3 b5 21. h4 Rc8 22. Rd2 Bxd5 23. exd5 f5 24. Bd4 Ng6 25. Qg3 Qa5 {
Zaksaite,S (2246)-Zhurikhin,A (2313) chess.com INT 2022 0-1 (70)}) 11... Bd7
12. c4 Nxd4 13. Qxd4 Bc6 14. Rac1 Nd7 15. b4 Qb8 16. f4 f5 17. Nc3 Bf6 18. Qd3
Bxc3 19. Rxc3 Bxe4 20. Bxe4 fxe4 21. Qxe4 Re8 22. g5 Qc8 23. Rd3 a5 24. a3 axb4
25. axb4 Ra4 26. Rb1 Qc7 27. Qd4 Nf8 28. Bd2 d5 29. cxd5 exd5 30. Qxd5+ Kh8 31.
Rc1 Qb6+ 32. Qc5 Qa6 33. b5 Qg6 34. Re3 h6 35. Rxe8 Qxe8 36. Re1 Qd8 37. gxh6
gxh6 38. Bc3+ Kg8 39. Qe5 Qb6+ 40. Kh1 Ne6 41. f5 Nd4 42. Qe8+ Kg7 43. Re7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Freitas, Filipe"]
[Black "Silva, Joelton Cooper"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d6 5. Be2 g6 6. O-O Bg7 7. Bg5 O-O ({RR} 
7... h6 8. Be3 O-O 9. h3 Rb8 10. a4 a6 11. Nbd2 b5 12. axb5 axb5 13. d4 Nd7 14.
d5 Nce5 15. Nxe5 Nxe5 16. f4 Nd7 17. e5 dxe5 18. Ne4 c4 19. fxe5 Nxe5 20. Qd2
Kh7 21. Bc5 Bb7 22. Rad1 {Smyslov,V (2530)-Shirov,A (2670) Moscow 1993 0-1 (45)
}) 8. Nbd2 a6 ({RR} 8... b5 9. d4 c4 10. b3 Ba6 11. bxc4 bxc4 12. Bxf6 Bxf6 13.
Bxc4 Bxc4 14. Nxc4 d5 15. exd5 Qxd5 16. Ne3 Qd7 17. Qc2 Rfd8 18. Rab1 Rac8 19.
Qe4 Bg7 20. d5 Na5 21. c4 f5 22. Qd3 e6 23. Rb5 {Ciocan,M (1982)-Alkibbee
Mohammed Tornelo INT 2021 1-0 (61)}) 9. d4 Bg4 $146 ({RR} 9... cxd4 10. cxd4
Bd7 11. Rc1 Qa5 12. Qb3 b5 13. Rfd1 h6 14. Bf4 Qb6 15. Nc4 Qa7 16. Ncd2 Rab8
17. d5 Na5 18. Qa3 Nb7 19. Be3 Qa8 20. Rc7 Rbc8 21. Rdc1 Rxc7 22. Rxc7 Rc8 23.
Rxc8+ Bxc8 24. Bxb5 {Soukup,J-Vohnout,P Chrudim 1993 1-0 (31)}) 10. Re1 Qb6 11.
e5 dxe5 12. Nxe5 Bxe2 13. Qxe2 Qxb2 14. Nxc6 bxc6 15. Nc4 Qxc3 16. dxc5 Nd5 17.
Rac1 Qb4 18. Nb6 Nxb6 19. cxb6 Qxb6 20. Qxe7 Rac8 21. Be3 Qa5 22. a3 Bb2 23.
Rb1 Qxa3 24. Bc5 Qc3 25. Qe3 Rfe8 26. Qxe8+ Rxe8 27. Rxe8+ Kg7 28. Bf8+ Kf6 29.
Rbe1 Qc2 30. h4 Bd4 31. R8e2 Qd3 32. Kf1 c5 33. Bh6 a5 34. Kg1 a4 35. Re4 g5
36. Bxg5+ Kg6 37. Rg4 Qf5 38. Rf4 Qc2 39. Rf3 a3 40. Rc1 Qb2 41. Be3 Bxe3 42.
Rc4 Qa1+ 43. Kh2 Qe5+ 44. g3 Bd4 45. Ra4 Bb2 46. Kh3 h5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Gauche, Charles"]
[Black "Bittencourt, Jorge"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. b3 Bf5 3. g3 e6 4. Bb2 h6 5. Bg2 Nf6 6. O-O Be7 7. d3 O-O 8. Nbd2
Bh7 9. Qe1 a5 10. a3 c6 11. e4 Nbd7 12. e5 ({RR} 12. Qe2 Qb6 13. Rab1 dxe4 14.
dxe4 Qa6 15. Qe3 Rfd8 16. h3 a4 17. b4 c5 18. b5 Qa7 19. c4 Qa5 20. Rbd1 Qc7
21. e5 Ne8 22. Ne4 Nb6 23. Rc1 Rd7 24. Qe2 Rad8 25. Bc3 Rd3 26. Ne1 Rxc3 {
Artemiev,V (2708)-Giri,A (2764) chess.com INT 2020 1-0 (65)}) ({RR} 12. Qe2 b5
13. Rfe1 Qb6 14. h3 Rfd8 15. Kh1 Rac8 16. Nh2 dxe4 17. dxe4 e5 18. Nhf1 Bc5 19.
Ne3 Bd4 20. Bxd4 exd4 21. Ng4 Nxg4 22. hxg4 Ne5 23. f4 d3 24. cxd3 Nxd3 25. Rf1
Rc7 26. e5 Rcd7 {Orso,M (2256)-Polyik,P (2323) Budapest HUN 2023 0-1 (56)})
12... Ne8 13. h3 $146 ({RR} 13. Bh3 Nc7 14. Qe2 c5 15. c4 a4 16. Ne1 Nb6 17.
Ra2 axb3 18. Nxb3 Na4 19. Ba1 b5 20. Nd2 b4 21. axb4 cxb4 22. Nb3 Nc3 23. Bxc3
bxc3 24. Rxa8 Qxa8 25. Bg2 Qa3 26. Nd4 Qb2 27. cxd5 Nxd5 {Munoz Orts,G (2290)
-Coret Frasquet,J (2315) Mislata 1994 0-1 (44)}) 13... b5 14. Nh2 a4 15. b4 c5
16. bxc5 Bxc5 17. Qe2 Nc7 18. Kh1 b4 19. axb4 Bxb4 20. Rac1 Rb8 21. Ba1 Nc5 22.
f4 Nb5 23. g4 Qa5 24. Ndf3 Bc3 25. f5 exf5 26. g5 Rb6 27. Qf2 Nd7 28. gxh6 Rxh6
29. Ng5 Nc7 30. Nxh7 Rxh7 31. Qxf5 Nxe5 32. d4 Nc4 33. Ng4 Bd2 34. Rcd1 Bb4 35.
Rd3 Bd6 36. Rg1 Qa8 37. Nf6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Gazineu Neto, Rubens"]
[Black "Dobuchak, Thiago"]
[Result "1/2-1/2"]
[ECO "B91"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
Be6 9. O-O b5 10. a4 b4 11. Nd5 Nxd5 ({RR} 11... a5 12. c3 bxc3 13. Nexc3 O-O
14. Be3 Nbd7 15. Nb5 Ng4 16. Bd2 Nc5 17. Ndc7 Nf6 18. Nxa8 Qxa8 19. Bg5 Rd8 20.
Re1 Bb3 21. Qe2 Bxa4 22. Nc7 Qb7 23. Bxf6 Qxc7 24. Bxe7 Qxe7 25. Qe3 Rb8 26.
Qc3 {Moussard,J (2667)-Gaehwiler,G (2404) chess.com INT 2023 1-0 (39)}) 12.
exd5 Bf5 $146 ({RR} 12... Bg4 13. a5 Nd7 14. f3 Bh5 15. c3 bxc3 16. Nxc3 O-O
17. Be3 Bg5 18. Bf2 Qc7 19. h4 Be7 20. g4 Bg6 21. h5 Bxh5 22. gxh5 h6 23. Qa4
Nf6 24. Rfc1 Nxh5 25. Na2 Qb7 26. Bb6 Bd8 27. Rc6 {Temirkanov,D (2334)-Musaev,
M (2225) Soukhumi 2007 0-1 (46)}) 13. c4 Nd7 14. Be3 Rc8 15. b3 a5 16. f4 Bg4
17. h3 Bxe2 18. Qxe2 O-O 19. f5 Bg5 20. Bf2 g6 21. Be4 Qe8 22. Kg2 Bd8 23. Be3
Bf6 24. Rf2 Qe7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Jenidarchiche, Douglas"]
[Black "Olivo, Anibal"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. c3 d6 7. Bb3 a6 8. Nbd2
O-O 9. Re1 Ba7 10. Nf1 Re8 11. Ng3 Be6 12. d4 ({RR} 12. Bxe6 Rxe6 13. d4 d5 14.
Nxe5 Nxe5 15. dxe5 Nxe4 16. Nxe4 dxe4 17. Qh5 g6 18. Qxh6 Rxe5 19. Be3 Bxe3 20.
Qxe3 Qf6 21. Rad1 Rd8 22. Rd4 Rxd4 23. Qxd4 Qe7 24. g3 Re6 25. h4 a5 26. Kg2 b6
{Kramnik,V (2808)-So,W (2812) Leuven 2017 1/2-1/2 (36)}) ({RR} 12. Bxe6 fxe6
13. d4 exd4 14. cxd4 d5 15. e5 Nh7 16. Qd3 Rf8 17. Qg6 Qe8 18. Qg4 Kh8 19. Nh4
g5 20. Nf3 Qf7 21. Be3 Ne7 22. Qh5 Nf5 23. Qxf7 Rxf7 24. Nxf5 Rxf5 25. Rac1 c6
26. Nd2 Nf8 {Bashirli,S (1597)-Jimenez Jimenez,L (2157) chess.com INT 2023 0-1
(37)}) 12... Bxb3 $146 ({RR} 12... d5 13. dxe5 Nxe4 14. Nxe4 dxe4 15. Rxe4
Qxd1+ 16. Bxd1 Bd5 17. Re1 Bxf3 18. Bxf3 Nxe5 19. Bf4 Nxf3+ 20. gxf3 Bb6 {
1/2-1/2 (20) Romero Barreto,J (2316)-Sosa,T (2478) Buenos Aires ARG 2018}) 13.
Qxb3 exd4 14. Qxb7 Ne5 15. Nxd4 Nd3 16. Re2 Nxc1 17. Rxc1 Qd7 18. Qc6 Qxc6 19.
Nxc6 Bb6 20. Kf1 Nd7 21. Nf5 Nc5 22. f3 Nd3 23. Rd1 Ne5 24. Nce7+ Kf8 25. Nd5
Reb8 26. b3 h5 27. f4 Nd7 28. Nxb6 Nxb6 29. Kf2 g6 30. Nd4 Ke8 31. Rd3 a5 32.
Kf3 a4 33. f5 axb3 34. axb3 g5 35. Nc6 f6 36. Nd4 Kf7 37. Ne6 Ke7 38. c4 Nd7
39. Nxc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Lage, Pedro"]
[Black "Mota, Romulo Cardoso"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "124"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 Be7 7. Nc3 O-O 8. cxd5
Nxd5 9. Nxd5 Qxd5 10. Ne5 Qxd4 11. Nxc6 bxc6 12. Qc2 ({RR} 12. Bxc6 Rb8 13. Qa4
Qxa4 14. Bxa4 Bf6 15. Rb1 Rd8 16. Be3 Bd4 17. Rfd1 Ba6 18. Bxd4 cxd4 19. Rd2 e5
20. Bb3 Rdc8 21. Re1 Kf8 22. f3 Ke7 23. g4 f6 24. Kf2 Rc5 25. h4 Rbc8 26. h5 h6
{Figorito,N (2036)-Ng,G (2213) chess.com INT 2023 1-0 (60)}) 12... Rb8 13. Rd1
Qf6 $146 ({RR} 13... Qb4 14. b3 Ba6 15. Be3 Rfd8 16. Bxc6 c4 17. bxc4 Qxc4 18.
Qxc4 Bxc4 19. Bxa7 Bxe2 20. Bxb8 Rxd1+ 21. Rxd1 Bxd1 22. a4 Bd8 23. Bd6 Ba5 24.
f4 f6 25. Kf2 Kf7 26. Ke3 Kg6 27. Be4+ Kf7 {1/2-1/2 (27) Andrade,L (2230)
-Alves,H Odivelas 2001}) 14. Rb1 e5 15. Be4 Be6 16. b3 h6 17. Be3 Rb4 18. Bxc5
Bxc5 19. Bh7+ Kh8 20. Qxc5 Rfb8 21. Bc2 Bd5 22. Rd2 e4 23. Rbd1 a5 24. Rd4 R4b5
25. Qa3 e3 26. fxe3 Qg5 27. e4 Be6 28. Qc1 Qxc1 29. Rxc1 Rc5 30. Kf2 Rh5 31.
Bd3 Rxh2+ 32. Kg1 Rh3 33. Kg2 Rh5 34. Rxc6 Ra8 35. Bc4 Bh3+ 36. Kf3 a4 37. Rd5
g5 38. b4 Be6 39. Rdc5 Bxc4 40. Rxc4 Rh1 41. Rc8+ Rxc8 42. Rxc8+ Kg7 43. Ra8
Rf1+ 44. Kg2 Rb1 45. Rxa4 Kf6 46. a3 Ke5 47. Ra6 Rb3 48. Kf2 Kxe4 49. Rxh6 Rxa3
50. Rf6 Rb3 51. Rxf7 Rxb4 52. Kg2 Ke5 53. Kh3 Ke6 54. Rf8 Ra4 55. g4 Ra5 56.
Kg3 Rb5 57. Kf3 Rb1 58. Rf5 Rf1+ 59. Ke4 Rxf5 60. gxf5+ Kf6 61. Kd5 g4 62. Ke4
g3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Leite, Coraci"]
[Black "Lima, Lucas Taveira"]
[Result "1-0"]
[ECO "C23"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 e5 2. Bc4 Bc5 3. Ne2 Nf6 4. d3 O-O ({RR} 4... c6 5. O-O a5 6. c3 b5 7.
Bb3 d6 8. d4 Bb6 9. Bc2 Bg4 10. f3 Be6 11. Kh1 Bc4 12. Bd3 Bxd3 13. Qxd3 Nbd7
14. Na3 Qc7 15. b4 O-O 16. d5 axb4 17. cxb4 cxd5 18. Nxb5 Qc6 19. exd5 {
Wuehl,M (2120)-Rehl,D (2248) Waldshut 2002 1-0 (64)}) ({RR} 4... Nc6 5. c3 O-O
6. O-O d5 7. exd5 Nxd5 8. Ng3 Be6 9. Ne4 Be7 10. Bb3 f5 11. f3 Na5 12. Ng3 Nxb3
13. axb3 Bc5+ 14. Kh1 Ne3 15. Bxe3 Bxe3 16. Qe2 f4 17. Ne4 Qh4 18. Nf2 Rf6 19.
h3 {Ahmed Val,A (1764)-Hemam,M (2004) Nouakchott 2017 0-1 (37)}) 5. Nbc3 $146 (
{RR} 5. O-O d5 6. exd5 Nxd5 7. Nbc3 c6 8. Kh1 Bg4 9. Qe1 Nb4 10. Bb3 Nd7 11.
Ne4 Qc7 12. f3 Bh5 13. Qh4 Bg6 14. f4 Bxe4 15. dxe4 Rfe8 16. fxe5 Nxe5 17. Bf4
Re7 18. Qg5 Bd6 19. Ng3 Kh8 {Roos,K-Neubacher,D Uttenreuth 1996 1-0 (34)}) 5...
c6 6. Ng3 d5 7. Bb3 Ng4 8. O-O Qh4 9. h3 Qxg3 10. hxg4 Bxg4 11. Ne2 Qh4 12. Qd2
dxe4 13. Nc3 h6 14. Nxe4 Bb6 15. c4 Bd4 16. Bd1 f5 17. Nd6 Qe7 18. c5 Bxd1 19.
Qxd1 Bxc5 20. Qb3+ Kh8 21. Nxb7 Bb6 22. Qa3 Qxa3 23. bxa3 Rf6 24. Bb2 Nd7 25.
Bc3 a5 26. Rab1 Ra7 27. Bxe5 Rxb7 28. Bxf6 Nxf6 29. Rfc1 Ng4 30. d4 Nf6 31.
Rxc6 Nd5 32. Rd6 Nf6 33. Rbxb6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Lima da Silva, Fabio"]
[Black "Silva, Erick"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nbd2 b6 7. Bd3 Bb7 8. O-O
Nbd7 9. Rc1 c5 10. cxd5 Nxd5 11. Bxe7 Qxe7 12. e4 $146 ({RR} 12. Be4 Rac8 13.
Qe2 Rc7 14. Bxd5 Bxd5 15. b3 Rfc8 16. dxc5 Nxc5 17. Rfd1 h6 18. e4 Bb7 19. b4
Na4 20. Rxc7 Rxc7 21. Qd3 Nb2 22. Qb3 Nxd1 23. Qxd1 Qxb4 24. Nb3 Qe7 {0-1 (24)
Feldvabl,V (1852)-Jezek,Z Brno 2010}) 12... Nf4 13. Bb1 cxd4 14. Nxd4 Nc5 15.
Qg4 Qf6 16. N2f3 e5 17. g3 Bc8 18. Nf5 h5 19. Qh4 Qxh4 20. N3xh4 Ne2+ 21. Kg2
Nxc1 22. Ne7+ Kh7 23. Rxc1 Bb7 24. b4 Ne6 25. Nhf5 Rfd8 26. Ne3 Rd7 27. N7d5
Kh8 28. a4 Rc8 29. Rxc8+ Bxc8 30. Ba2 Bb7 31. Kf1 Ng5 32. Bb1 Nf3 33. Kg2 Nd4
34. f3 Rd8 35. Bd3 Rc8 36. Nc4 Bxd5 37. exd5 f6 38. Kf2 Rd8 39. Be4 Kg8 40. Ne3
Kf7 41. Bd3 g6 42. Bc4 Ke7 43. f4 h4 44. fxe5 hxg3+ 45. Kxg3 fxe5 46. Ng4 Kd6
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Lima, Darcy Gustavo"]
[Black "Labussiere, Victor"]
[Result "1-0"]
[ECO "D73"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. c4 c6 6. cxd5 cxd5 7. Nc3 O-O 8. Ne5
Nc6 9. Nxc6 bxc6 10. O-O e5 11. dxe5 Ng4 12. Na4 ({RR} 12. e4 d4 13. Na4 Nxe5
14. Re1 g5 15. h3 Qe7 16. f4 gxf4 17. gxf4 Ng6 18. Bd2 Nh4 19. Bh1 Qe6 20. Qb3
Qxb3 21. axb3 Ng6 22. Kh2 Bh6 23. Kg3 Kh8 24. Rf1 f5 25. Rac1 Ba6 26. Rf2 Bd3 {
Seemann,J (2375)-Vantorre,N (1936) Antalya TUR 2022 1-0 (63)}) 12... Nxe5 13.
Be3 Qf6 14. Rc1 Nc4 $146 ({RR} 14... Re8 15. Bf4 Bf5 16. b3 Nd7 17. Qd2 Rac8
18. Rfe1 Nb6 19. Qa5 Nxa4 20. Qxa4 Qd4 21. Qxd4 Bxd4 22. Bd2 Bb2 23. Rc5 Bd4
24. Ra5 Rcd8 25. Ra4 Bb6 26. e3 Bd3 27. Bf1 Bb5 28. Rf4 f5 29. Bxb5 {Skembris,
S (2315)-Natsis,T (2240) Athens 1980 1/2-1/2 (40)}) 15. Bc5 Re8 16. b3 Nb6 17.
Nc3 Ba6 18. Qd2 Nd7 19. Ba3 Qf5 20. Rfe1 Nf6 21. Bb2 Ng4 22. Nd1 Bxb2 23. Qxb2
Re6 24. h3 Ne5 25. Ne3 Qf6 26. Qa3 d4 27. Qxa6 dxe3 28. f4 Nd7 29. Rxc6 Rae8
30. Rxe6 Rxe6 31. Qxa7 Re7 32. Rd1 Qe6 33. Qa8+ Kg7 34. Qa3 Nf6 35. Qb2 Qf5 36.
Rd5 Qc8 37. g4 h6 38. Rd6 Re6 39. Rxe6 fxe6 40. g5 hxg5 41. fxg5 Kh7 42. gxf6
Qc7 43. Qb1 Qg3 44. Qf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Lima, Vinicius Taishun"]
[Black "Sekula, Markley"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 exd4 3. Bc4 Nf6 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+ 7. Be2 dxc3 8.
bxc3 Bd6 9. O-O O-O 10. Bg5 Nbd7 11. Re1 Qe4 $146 ({RR} 11... Bc5 12. Bd3 Qd6
13. c4 Ng4 14. Bh4 Ndf6 15. Nc3 Bd7 16. h3 Nh6 17. Bxf6 Qxf6 18. Ne4 Qb6 19.
Rb1 Qa5 20. Nxc5 Qxc5 21. Rxb7 f6 22. Re2 Bf5 23. Nh4 Bxd3 24. Qxd3 Nf7 25. Ng6
hxg6 26. Qxg6 {Galant,S (2221)-Bragg,W Stillwater 2007}) 12. c4 Qg6 13. Bd3 Qh5
14. Qd2 Nc5 15. Bxf6 gxf6 16. Be2 Ne4 17. Qc2 Ng5 18. Nbd2 Bf5 19. Qb2 Kg7 20.
h4 Nxf3+ 21. Nxf3 Bg4 22. Rac1 b6 23. Qd4 Rae8 24. Bd1 Rxe1+ 25. Nxe1 Bxd1 26.
Rxd1 Be5 27. Qd3 Qxh4 28. Nf3 Qh5 29. Qa3 Bh2+ 30. Kf1 Bd6 31. Qe3 Bc5 32. Qe4
Bd6 33. Qe3 f5 34. Qg5+ Qxg5 35. Nxg5 Re8 36. Re1 Rxe1+ 37. Kxe1 Kf6 38. Nf3 f4
39. Ke2 Kf5 40. Nd4+ Ke4 41. Nc6 a6 42. a4 a5 43. f3+ Kf5 44. Nd4+ Kg5 45. Kf1
Be5 46. Nc6 Bf6 47. c5 Kf5 48. d6 Ke6 49. dxc7 Kd7 50. cxb6 Bc3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Limp, Eduardo Thelio"]
[Black "Uczai, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. cxd5
Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Qb3 Be6 12. Rc1 c5 13. Qa3 Rc8 14. Bd3 Qb7
15. dxc5 bxc5 16. Rxc5 Rxc5 17. Qxc5 Qxb2 18. O-O $146 ({RR} 18. Qb5 Qxb5 19.
Bxb5 Nd7 20. Nd4 Rb8 21. O-O Nc5 22. Rc1 Ne4 23. f3 Nd6 24. Bd3 Rb2 25. Rc6 Rb6
26. Rc7 Rb7 27. Rc3 Kf8 28. Ra3 Nc4 29. Bxc4 dxc4 30. Nxe6+ fxe6 31. Ra6 Rb6
32. Rxa7 Rc6 {Wilhelm,H (1878)-Goldschmidt,A (1563) Hanau 2008 1-0 (60)}) 18...
Nd7 19. Qc6 Rb8 20. a4 Qb6 21. Qxb6 Rxb6 22. Rc1 Rb4 23. Nd4 Ne5 24. Bb5 Bd7
25. f4 Bxb5 26. Rc8+ Kh7 27. fxe5 Bd3 28. e6 fxe6 29. Nxe6 Bf5 30. Nf8+ Kg8 31.
Nd7+ Kh7 32. Nf8+ Kg8 33. Nd7+ Kh7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Lopes, Wendell"]
[Black "Romais, Rodrigo"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Ne2 c5 ({RR} 6... Bd6
7. O-O O-O 8. Nbc3 c6 9. Bg5 Qc7 10. Ng3 h6 11. Be3 Nb6 12. Qd2 Nc4 13. Qe2
Nxe3 14. Qxe3 Bf4 15. Qd3 e5 16. Nce2 exd4 17. Nxf4 Qxf4 18. Ne2 Qe5 19. Nxd4
c5 20. Nb3 Bf5 21. Qc4 {Van Foreest,J (2613)-Timman,J (2541) Amstelveen NED
2018 1/2-1/2 (88)}) 7. dxc5 ({RR} 7. c3 cxd4 8. cxd4 Qa5+ 9. Bd2 Qb6 10. Qc2
Bd6 11. O-O O-O 12. Nbc3 Qc7 13. Ng3 h6 14. Rac1 a6 15. Qb3 Qb6 16. Qxb6 Nxb6
17. Nce4 Nxe4 18. Nxe4 Be7 19. Nc5 Nd5 20. Rfe1 Bf6 21. Nb3 Bd7 {Zaichenko,D 
(2104)-Vovk,O (2315) chess.com INT 2023 0-1 (47)}) 7... Bxc5 8. O-O $146 ({RR} 
8. b3 Qb6 9. O-O O-O 10. Bb2 Ne8 11. Nbc3 Qc7 12. Ne4 Be7 13. Qd4 Ndf6 14. c4
Bd7 15. N2g3 Bc6 16. Nd2 Rd8 17. Qc3 Qb6 18. Bxc6 Qxc6 19. Rad1 Qb6 20. a3 Bc5
21. Nde4 Be7 22. Rxd8 Qxd8 {Lafeber,E-Jonkheer,A Vlissingen 2000 0-1 (59)})
8... Qc7 9. Bf4 e5 10. Bg3 Qb6 11. Nbc3 Qc7 12. Re1 O-O 13. Nd5 Nxd5 14. Bxd5
Nf6 15. Nc3 a6 16. Kh1 Re8 17. Qd2 Bb4 18. Be4 Nxe4 19. Rxe4 Bf5 20. Rxb4 Rad8
21. Qe2 Rd7 22. Rd1 Rxd1+ 23. Qxd1 b5 24. a4 Rd8 25. Qe2 Qc5 26. Rb3 b4 27. h4
bxc3 28. Rxc3 Qd5 29. f3 f6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Mariano, Marceley M"]
[Black "Vicentin, Marcos"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. Bd3 h6 11. Bh4 g5 12. fxg5 Ne5 13. Qe2 Nfg4 14. Nf3 Nxf3
15. gxf3 hxg5 16. Bg3 Ne5 17. f4 gxf4 18. Bxf4 Bd7 19. Qf2 ({RR} 19. Rdf1 Rh7
20. h4 O-O-O 21. h5 Rg8 22. Kb1 Bg5 23. Rfg1 Qd8 24. Bxe5 dxe5 25. Bxa6 bxa6
26. Qxa6+ Kc7 27. Qa7+ Kc8 28. Rd1 {1-0 (28) Savchenko,B (2627)-Nedilko,V 
(2407) Plovdiv 2010}) 19... b5 $146 ({RR} 19... Bh4 20. Bg3 Qd8 21. Kb1 Qe7 22.
Bxh4 Rxh4 23. Be2 Ng6 24. Qd4 O-O-O 25. Qb6 Bc6 26. Bxa6 Bxe4 27. Nxe4 Rxe4 28.
Qc6+ Kb8 29. Qxe4 bxa6 30. Rd3 d5 31. Rb3+ Ka8 32. Qd4 Rd6 33. h4 e5 34. Qc5 {
Karatorossian,D (2348)-Banhazi,I (2135) Budapest 1999 1-0 (34)}) ({RR} 19... f6
20. h4 O-O-O 21. Rdg1 Rdg8 22. h5 Rxg1+ 23. Qxg1 Bf8 24. Be2 Be8 25. Bg4 Nxg4
26. Qxg4 Qf7 27. h6 Bc6 28. Rh2 f5 29. exf5 exf5 30. Qg5 Bf3 31. Qg3 Bg4 32.
Qd3 Qe6 33. Qd2 Rh7 34. Rh1 {Kiran,P (1686)-Aarush Rajesh (1548) Bhubaneswar
IND 2023 0-1 (73)}) 20. Kb1 Rh7 21. h4 b4 22. Ne2 Ng4 23. Qf3 e5 24. Bg5 f6 25.
Bd2 Be6 26. Rdg1 Nh6 27. Rg6 Ng8 28. Rhg1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Marquezini, Paulo E"]
[Black "Santos, Jarlison"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bg5 Be7 6. Be2 O-O 7. O-O Bf5 ({RR
} 7... Bg4 8. c3 c6 9. Nbd2 Nbd7 10. Re1 Re8 {1/2-1/2 (10) Malisauskas,V (2530)
-Saltaev,M (2495) Volgograd 1997}) ({RR} 7... h6 8. Bxf6 Bxf6 9. Ne5 c6 10. Kh1
Re8 11. f4 Bf5 12. Bd3 Bxd3 13. Qxd3 Na6 14. c3 Re7 15. Nd2 Re8 16. Qh3 Re6 17.
Qh5 Qc7 18. Ndf3 Rf8 19. g4 Bxe5 20. dxe5 f5 21. gxf5 Ree8 22. Rg1 {Ulus,
A-Muti,E (1243) Adapazari TUR 2022 1-0}) 8. Nc3 Nc6 9. Ne5 $146 ({RR} 9. Qd2 h6
10. Bf4 Nb4 11. h3 Nxc2 12. Rac1 Nb4 13. Nb5 c6 14. Bc7 Qd7 15. Ne5 Qe6 16. Ba5
cxb5 17. Bxb4 Bxb4 18. Qxb4 a6 19. Rc7 Rad8 20. Re7 Qd6 21. Qxd6 Rxd6 22. Rxb7
Nd7 23. Nxd7 Rxd7 {Vicuna,L-Feller,G Montevideo 2014 0-1 (43)}) 9... Ne4 10.
Bxe7 Nxe7 11. Nxe4 dxe4 12. g4 Be6 13. b3 c6 14. f3 Nd5 15. fxe4 Ne3 16. Qd3
Nxf1 17. Rxf1 Qb6 18. Kg2 Rfd8 19. Bf3 Rxd4 20. Qe3 Rad8 21. Qf4 Qc7 22. g5 Qe7
23. h4 Qb4 24. Rf2 Qe1 25. Nd3 Qa5 26. Bg4 Rxe4 27. Qxe4 Bd5 28. Qxd5 Qxd5+ 29.
Kg3 Re8 30. Nf4 Re3+ 31. Bf3 Qe5 32. Rd2 g6 33. Kg4 Qf5+ 34. Kg3 Qe4 35. Rf2 a5
36. a4 b5 37. Kg4 Qf5+ 38. Kg3 bxa4 39. bxa4 f6 40. gxf6 Qxf6 41. Kg4 Qf5+ 42.
Kg3 h5 43. Kg2 Kg7 44. Bxc6 Re1 45. Kh2 Qg4 46. Ng2 Re2 47. Rf4 Rxg2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Marra, Eduardo"]
[Black "Rodrigues, Edgar"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. Be3
O-O 9. h3 Bh5 10. Nc3 N8d7 11. exd6 cxd6 12. b3 Nf6 13. Rc1 Nbd7 ({RR} 13...
Rc8 14. Re1 a6 15. d5 exd5 16. cxd5 Re8 17. Qd4 Nfd7 18. Ne4 Rxc1 19. Rxc1 Bg6
20. Ng3 Nc5 21. Qd2 Nbd7 22. b4 Na4 23. Bd1 Nab6 24. Bb3 h6 25. a4 Nf6 26. a5
Nbd7 27. Qd4 Bf8 28. Qa7 {Karthikeyan,M (2627)-Maghsoodloo,P (2730) Berlin GER
2023 0-1 (57)}) 14. b4 $146 ({RR} 14. d5 e5 15. Re1 b6 16. g4 Bg6 17. Nh4 Ne8
18. Nf5 Bxf5 19. gxf5 Bg5 20. Qd2 Bxe3 21. Qxe3 Qh4 {1/2-1/2 (21) Pasteiner,
J-Tiefenbacher,W Vienna 1981}) 14... Nb6 15. Qb3 h6 16. a4 Rc8 17. Nb5 a6 18.
Na3 Ne4 19. Rfe1 f5 20. Nd2 Nxd2 21. Bxd2 Bf7 22. a5 Nd7 23. Bf3 Rb8 24. Bf4 g5
25. Be3 Nf6 26. Nc2 Kh7 27. Bd2 Qd7 28. Qd3 Kh8 29. Bc3 Rbe8 30. Rcd1 Bd8 31.
Rd2 Rg8 32. Ne3 Bg6 33. Qe2 d5 34. Qd1 Bc7 35. Qb3 Rg7 36. Rdd1 Rd8 37. b5 h5
38. cxd5 exd5 39. Rc1 Qd6 40. Nf1 g4 41. hxg4 hxg4 42. Be2 Ne4 43. Bb4 Qf6 44.
bxa6 bxa6 45. Qd3 Rh7 46. Rxc7 Rxc7 47. f3 gxf3 48. Bxf3 Rh7 49. Qe3 f4 50. Qa3
Qh4 51. Bxe4 Qh1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Matsuura, Everaldo"]
[Black "Zanette, Edgard"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8.
Bxc6 bxc6 9. O-O Be7 10. f3 Nc5 11. f4 Ne4 12. Nc3 Nxc3 13. bxc3 c5 14. Nb3 c4
15. Nd4 c5 16. Ne2 Bc6 17. Be3 d4 $146 ({RR} 17... Qc7 18. Qe1 O-O 19. Qf2 Bb7
20. Ng3 f5 21. Rab1 g6 22. Ne2 Rac8 23. h3 Ba8 24. Kh2 Kh8 25. Rb5 a6 26. Rb2
Rb8 27. Rfb1 Rxb2 28. Rxb2 Qa5 29. Qg1 Qa3 30. Qb1 Kg8 31. Rb8 Qa4 32. Rxa8 {
Honfi,K-Lengyel,L Miskolc 1963 1/2-1/2 (59)}) ({RR} 17... Qc7 18. a4 O-O 19.
Qe1 f6 20. exf6 Rxf6 21. Qf2 Qd6 22. Ng3 Raf8 23. Rad1 Qc7 24. Bxc5 Rxf4 25.
Qe3 Rxf1+ 26. Nxf1 Re8 27. Bxa7 Bf6 28. Qf2 Bxc3 29. Bd4 Qa5 30. Ng3 Rf8 31.
Qe3 Bxd4 32. Qxd4 {Perelshteyn,E (2528)-Onischuk,A (2688) Lubbock 2010 1/2-1/2
(54)}) 18. cxd4 Qd5 19. Rf3 cxd4 20. Nxd4 O-O-O 21. Qf1 Bb7 22. Rb1 Qd7 23.
Qxc4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Mazetto, Sergio Luiz"]
[Black "Federzoni, Enzo"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e3 d5 5. c3 h6 6. Bh4 Nc6 7. Ngf3 Be7 8. Bd3
O-O 9. O-O b6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Bg3 ({RR} 12. Bxe7 Qxe7 13. f4 Bb7
14. Qe2 f6 15. exf6 Rxf6 16. c4 e5 17. cxd5 Bxd5 18. Be4 {1/2-1/2 (18)
Harikrishna,P (2668)-Kryvoruchko,Y (2628) Kallithea 2008}) 12... f5 ({RR} 12...
a5 13. Qe2 Bb7 14. Rad1 Qc7 15. f4 f5 16. exf6 Nxf6 17. e4 dxe4 18. Nxe4 Nxe4
19. Bxe4 Bxe4 20. Qxe4 Rad8 21. Qxe6+ Kh8 22. f5 Qb7 23. Be5 Bg5 24. Rxd8 Rxd8
25. f6 Be3+ 26. Kh1 Qe4 27. fxg7+ {Csonka,B (2490)-Eswaran,A (2244) chess.com
INT 2021 1-0}) 13. exf6 Bxf6 14. Qh5 c4 $146 ({RR} 14... Be7 15. Rad1 Nf6 16.
Qe2 Bd6 17. Bxd6 Qxd6 18. e4 Qf4 19. g3 Qg5 20. f3 Qh5 21. Qe3 Bb7 22. e5 Nd7
23. f4 Rae8 24. Nf3 Rf7 25. Nh4 Nf8 26. Be2 {1-0 (26) Hertweck,M-Lossau,S
Germany 1995}) 15. Bc2 Qe7 16. Qg6 Qc5 17. e4 Rf7 18. exd5 Nf8 19. Qh5 exd5 20.
Rad1 Bb7 21. Nf3 d4 22. Qxc5 bxc5 23. cxd4 Bxf3 24. gxf3 cxd4 25. Be4 Rd8 26.
Rc1 c3 27. bxc3 dxc3 28. Rfd1 Rfd7 29. Rxd7 Rxd7 30. Kf1 g5 31. f4 Rd2 32. fxg5
hxg5 33. Rc2 Rd4 34. f3 Kg7 35. Be1 Rc4 36. Bf2 Rc7 37. Ke2 Ne6 38. Be3 Be5 39.
h3 Kf6 40. Kd1 Bd4 41. Re2 Bxe3 42. Rxe3 Nd4 43. Bc2 Nxc2 44. Kxc2 Kf5 45. Re4
Rh7 46. Ra4 Rxh3 47. Kxc3 Rxf3+ 48. Kd2 g4 49. Ke2 Rc3 50. Rxa7 Kf4 51. Kf2
Rc2+ 52. Kg1 Kg3 53. Ra3+ Kh4 54. Rb3 Rxa2 55. Rb1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Medeiros, Fabricio"]
[Black "da Cruz, Emerson"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "34"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 g6 ({RR} 5... d6 6. Bd2 e6 7.
O-O-O a6 8. f4 Qc7 9. Nf3 Be7 10. h3 O-O 11. g4 Nd7 12. g5 b5 13. h4 Nc5 14.
Bd3 b4 15. Ne2 a5 16. Kb1 Nxd3 17. cxd3 Qa7 18. Qxa7 Rxa7 19. h5 Ba6 20. Be3 {
Esperanza2020 (2428)-Sunye Neto,J (2513) lichess.org 2021 0-1 (53)}) 6. Bd2 Bg7
7. O-O-O O-O 8. h4 $146 ({RR} 8. Bd3 a6 9. f4 d6 10. h3 Qc7 11. Nf3 e5 12. g4
exf4 13. Qxf4 Be6 14. g5 Nh5 15. Qh2 Nb4 16. Kb1 Rac8 17. a3 Nxd3 18. cxd3 Qb6
19. Rc1 d5 20. e5 d4 21. Qf2 Rfd8 22. Rhf1 Bf8 {Sava,A (1916)-Maria,L (1937)
Bucharest ROU 2023 0-1}) 8... d5 9. exd5 Nxd5 10. Qe1 Qa5 11. Kb1 Be6 12. a3
Rfd8 13. Nxd5 Qxd5 14. c4 Qd4 15. Bc3 Qxd1+ 16. Qxd1 Rxd1+ 17. Kc2 Rxf1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Mekhitarian, Krikor"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3
O-O 9. Bd3 b5 10. Nxb5 Re8 11. O-O Nxe4 12. Re1 a6 13. Na3 Nf6 14. Rxe8+ Nxe8
15. Bg5 Qc7 ({RR} 15... f6 16. Bh4 Nd7 17. Qe2 Ne5 18. Nxe5 dxe5 19. Nc4 g5 20.
Bg3 Nd6 21. Qh5 Bf5 22. Nxd6 Bxd3 23. Qf7+ Kh8 24. Qe6 Bg6 25. Rc1 Bf8 26. Nb7
Qe7 27. Qxe7 Bxe7 28. d6 Rb8 29. Nxc5 Bxd6 30. Nd7 {Villarreal,A (2289)
-Axarlian,C (2030) Buenos Aires ARG 2023 1-0 (67)}) 16. Qa4 ({RR} 16. Qd2 Nd7
17. Re1 Ndf6 18. Nb1 Bb7 19. Bc4 Qd7 20. Nc3 Nc7 21. Nh2 h5 22. g4 Re8 23.
Rxe8+ Ncxe8 24. Qe2 hxg4 25. Nxg4 Nxg4 26. Qxg4 Qxg4+ 27. hxg4 Kf8 28. Bd8 Bd4
29. g5 f6 30. gxf6 Nxf6 {Mamedyarov,S (2740)-Rapport,R (2740) Baku AZE 2022 1/
2-1/2 (37)}) 16... Nf6 17. Re1 Bb7 18. Nh2 $146 ({RR} 18. Bxf6 Bxf6 19. Re8+
Kg7 20. Qb3 Qd7 21. Nc4 Qxe8 22. Qxb7 Nd7 23. Nxd6 Qd8 24. Nc4 Rb8 25. Qxa6 Nb6
26. d6 Nxc4 27. Bxc4 Rxb2 28. Bb3 Qd7 29. Qd3 c4 30. Qxc4 Rb1+ 31. Kh2 Qxd6+
32. g3 Qd7 {Ulibin,M (2469)-Kurchenko,E (1956) Chelyabinsk RUS 2020 1/2-1/2 
(45)}) 18... Nbd7 19. Re7 Rd8 20. Qf4 Re8 21. Bxf6 Rxe7 22. Bxe7 Ne5 23. Bxa6
Qxe7 24. Bxb7 Qxb7 25. Qd2 Qa6 26. Qc2 Qb7 27. Qd2 Qa6 28. Qc2 Qb7 29. Qd2
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Melo, Igor"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "102"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. Bb3 d6 10. h3 Qc7 ({RR} 10... Qh5 11. Qd2 Nxd4 12. Bxd4 Be6 13. f4
a6 14. Qe3 Nd7 15. Bxg7 Kxg7 16. f5 Bxb3 17. axb3 Qh6 18. Qd4+ Kg8 19. Nd5 Rae8
20. c3 Qg7 21. Qe3 Kh8 22. Rae1 Nf6 23. Re2 Rg8 24. b4 gxf5 25. Nxf6 {Najer,E 
(2677)-Vokac,M (2498) Pardubice 2006 1/2-1/2 (47)}) ({RR} 10... Qh5 11. Qd2 Bd7
12. Rae1 Rac8 13. f4 e5 14. Ndb5 exf4 15. Rxf4 Ne5 16. Nxd6 Rc6 17. Ref1 Bxh3
18. Rxf6 Bxf6 19. Rxf6 Be6 20. Bxe6 fxe6 21. Rxf8+ Kxf8 22. Nxb7 Ng4 23. Bf4 g5
24. Qd8+ Qe8 25. Qxg5 {Gazik,V (2059)-Pericka,T (2029) Slovakia 2013 1-0}) 11.
Nd5 $146 ({RR} 11. f4 Na5 12. Qe2 Nxb3 13. axb3 a6 14. g4 Bd7 15. g5 Nh5 16.
Kh2 e6 17. Rfd1 b5 18. Kg1 Bc6 19. Nxc6 Qxc6 20. f5 Be5 21. Bd4 Bf4 22. Qg2
Rfc8 23. Rf1 b4 24. Ne2 e5 25. c4 bxc3 {Gimer Anadon,D-Garcia Lainez,J Oropesa
del Mar 1999 1/2-1/2 (63)}) 11... Nxd5 12. exd5 Na5 13. Nb5 Qb8 14. Qd2 Nxb3
15. axb3 a6 16. Nc3 Bf5 17. g4 Bd7 18. Bh6 Qc7 19. Bxg7 Kxg7 20. Qd4+ Kg8 21.
Rad1 b5 22. Rfe1 Rfe8 23. Re2 a5 24. Rde1 b4 25. Ne4 Bb5 26. Rd2 Qa7 27. Qxa7
Rxa7 28. c4 bxc3 29. bxc3 Bd7 30. Ra2 Rb8 31. Nd2 Kf8 32. Rea1 e6 33. Rxa5 Rc7
34. Ra7 Rbc8 35. Nc4 Be8 36. Nxd6 Rxa7 37. Rxa7 Rxc3 38. dxe6 fxe6 39. Ra8 Ke7
40. Nxe8 Rxh3 41. Rb8 h5 42. gxh5 gxh5 43. Nc7 Kd7 44. Na6 Rc3 45. b4 Ra3 46.
b5 h4 47. Rb6 e5 48. Nc5+ Kc8 49. Rc6+ Kb8 50. b6 Ra1+ 51. Kg2 Ra5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Moyses Sobrinho, Elias"]
[Black "Fernandes, Pedro G"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nxc3 6. bxc3 c5 ({RR} 6... Bg7
7. Ba3 b6 8. e3 O-O 9. Nf3 Nc6 10. Be2 Na5 11. Qc2 c5 12. dxc5 Bf5 13. Qb2 bxc5
14. O-O Rb8 15. Qc1 Qc7 16. Nd2 Qe5 17. Bb2 Rfd8 18. Rd1 Bd3 19. Bf3 c4 20. h3
h5 21. Nf1 {Shen,Y (2472)-Ding,Y (2435) Taizhou 2015 1/2-1/2}) ({RR} 6... Bg7
7. Ba3 O-O 8. Rd1 Nc6 9. Nf3 b6 10. e4 Na5 11. Qb1 Bg4 12. Be2 c5 13. dxc5
Bxc3+ 14. Kf1 Qc7 15. cxb6 axb6 16. Rc1 Rfc8 17. Bb4 Bxf3 18. gxf3 Qe5 19. Bxc3
Rxc3 20. Rxc3 Qxc3 21. Qxb6 {Shapiro,V (2113)-Figorito,N (2036) chess.com INT
2023 0-1 (122)}) 7. e3 Bg7 8. Ba3 $146 ({RR} 8. Bb5+ Nd7 9. Ba3 cxd4 10. cxd4
O-O 11. Nf3 Nb6 12. O-O Be6 13. Qb4 Nd5 14. Qd2 Nc7 15. Bd3 Re8 16. Rac1 Bd5
17. e4 Bc6 18. d5 Bb5 19. Rfd1 Bxd3 20. Qxd3 Rc8 21. Qb3 b6 22. d6 exd6 {
Schroll,G (2440)-Banas,J (2385) Aschach 1992 1-0 (31)}) 8... cxd4 9. cxd4 O-O
10. Nf3 Nc6 11. Be2 Qa5+ 12. Kf1 Be6 13. Qb2 b5 14. Bc5 Bd5 15. Qxb5 Qc3 16.
Rd1 Rab8 17. Qd3 Qxd3 18. Bxd3 Bxa2 19. g3 f5 20. Nd2 Rfd8 21. Bc4+ Bxc4+ 22.
Nxc4 Rd5 23. Kg2 e5 24. Nd6 Rb3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Nascimento, Christian"]
[Black "Almeida Jr, Alvaro"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "115"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bg5 e6 3. e4 c5 4. d5 h6 5. Bxf6 Qxf6 6. Nc3 d6 7. Nf3 ({RR} 7.
Bb5+ Nd7 8. dxe6 fxe6 9. Nf3 a6 10. e5 Qf4 11. Bxd7+ Bxd7 12. exd6 O-O-O 13.
Qd2 Qf5 14. Qe2 Bxd6 15. O-O Bc6 16. Rfe1 Rhe8 {1/2-1/2 (16) Papaioannou,I 
(2573)-Khamrakulov,I (2604) Heraklio 2007}) 7... Be7 ({RR} 7... Bd7 8. dxe6
fxe6 9. Bc4 Nc6 10. O-O Be7 11. Re1 Nd4 12. Nxd4 cxd4 13. Ne2 Rc8 14. Bb3 e5
15. Ng3 Be6 16. Nh5 Qg6 17. Bxe6 Rc7 18. Bf5 Qg5 19. Ng3 g6 20. Be6 Qf6 21. Bb3
Rf8 22. Qd2 {Rodgers,J (2078)-Tokat,N (1877) chess.com INT 2023 1-0 (36)}) 8.
Bb5+ Nd7 $146 ({RR} 8... Bd7 9. e5 dxe5 10. dxe6 fxe6 11. Bxd7+ Nxd7 12. O-O
Rd8 13. Ne4 Qf4 14. Qe2 O-O 15. Rad1 Nf6 16. Nxf6+ Bxf6 17. Nd2 e4 18. c3 e3
19. fxe3 Qa4 20. a3 Qc2 21. Rfe1 Qxb2 22. Rf1 Bxc3 23. Rxf8+ {Erden,K (2271)
-Colbow,C (2339) chess.com INT 2021 1/2-1/2 (55)}) 9. dxe6 fxe6 10. e5 dxe5 11.
O-O O-O 12. Qe2 Nb6 13. Rad1 Nd5 14. Nxd5 exd5 15. Qxe5 a6 16. Bd3 Qxe5 17.
Nxe5 Bf6 18. Ng6 Re8 19. c3 Be6 20. Nf4 Bf7 21. Rfe1 b5 22. Bg6 d4 23. Bxf7+
Kxf7 24. Nd5 Rxe1+ 25. Rxe1 d3 26. Nxf6 Kxf6 27. b3 a5 28. c4 a4 29. cxb5 axb3
30. axb3 Ra3 31. Rb1 Ke5 32. Kf1 Ra5 33. Ke1 Kd4 34. Rc1 Rxb5 35. Rc4+ Ke5 36.
Rc3 c4 37. bxc4 Rb1+ 38. Kd2 Kd4 39. Rxd3+ Kxc4 40. Rd7 g5 41. Rd6 h5 42. Rh6
h4 43. Rg6 Kd4 44. Rxg5 Rb2+ 45. Ke1 Kd3 46. Rd5+ Ke4 47. Rd2 Rb1+ 48. Ke2 Rh1
49. h3 Rg1 50. f3+ Ke5 51. Kf2 Ra1 52. Re2+ Kf5 53. Re4 Ra2+ 54. Kg1 Kg5 55.
Rg4+ Kh5 56. Rg8 Rb2 57. f4 Ra2 58. Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Nascimento, Davi Araujo"]
[Black "Cardoso, Marcio"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O d6 7. d3 O-O 8. h3
Rb8 9. f4 e6 ({RR} 9... Ne8 10. a4 Nc7 11. f5 e6 12. g4 exf5 13. exf5 gxf5 14.
gxf5 Kh8 15. Kh1 Rg8 16. Ne4 Be5 17. c3 Qh4 18. Ng1 Rxg2 19. Kxg2 Bd7 20. Bg5
Rg8 21. Qg4 Qxg4+ 22. hxg4 Ne8 23. Nf3 Kg7 24. Be3 {Jobava,B (2707)-Vachier
Lagrave,M (2796) Leuven 2017 0-1 (65)}) 10. g4 d5 ({RR} 10... b5 11. Ng3 Nd4
12. Nce2 Nxe2+ 13. Qxe2 Nd7 14. g5 Bb7 15. h4 f6 16. c3 Qe7 17. Bd2 Nb6 18.
Rae1 Rbe8 19. Bc1 a5 20. Qd1 Qd7 21. gxf6 Rxf6 22. f5 exf5 23. Bh3 Rff8 24.
exf5 Be5 25. Kh2 {Kadric,D (2564)-Heinemann,J (2285) Belgrade SRB 2021 1/2-1/2
(60)}) 11. g5 $146 ({RR} 11. Ng3 dxe4 12. dxe4 Qxd1 13. Rxd1 Nd4 14. Rd2 Nd7
15. Nge2 e5 16. f5 b5 17. g5 gxf5 18. Nd5 fxe4 19. Bxe4 Nb6 20. Ne7+ Kh8 21.
Nxd4 {0-1 (21) Simoes,W-Sischy,M Cape Town 2002}) 11... Ne8 12. exd5 exd5 13.
h4 Nc7 14. Ng3 Ne7 15. Nce2 Bg4 16. Kh2 Qd7 17. Qd2 b6 18. Ng1 Nb5 19. c3 Nd6
20. Bf3 Be6 21. Qg2 Ndf5 22. Nxf5 Bxf5 23. Rd1 d4 24. c4 Rfe8 25. Ne2 Rbd8 26.
Ng3 Bg4 27. Bd2 a5 28. a4 Bxf3 29. Qxf3 Nf5 30. Nxf5 Qxf5 31. Re1 Qd7 32. b3
Bf8 33. Rxe8 Rxe8 34. Re1 Rxe1 35. Bxe1 Bd6 36. Bg3 Qe6 37. Kg2 Kg7 38. f5 gxf5
39. Bxd6 Qxd6 40. Qxf5 Qe7 41. Kf1 f6 42. gxf6+ Qxf6 43. Qxf6+ Kxf6 44. Kf2 Kf5
45. Kf3 h6 46. Kg3 h5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Neves, Andrey de Souza"]
[Black "dos Anjos, Avner Augusto"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "105"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 c4 8. Bc2
Qxd6 9. O-O Bg4 10. Re1 Qf6 11. d4 cxd3 12. Qxd3 Bxf3 13. Qxf3 Qxf3 14. gxf3 e6
15. Bf4 $146 ({RR} 15. Be3 O-O-O 16. Nd2 Nd5 17. Rad1 Be7 18. Kg2 Rd7 19. Nb3
a6 20. f4 g6 21. Kf3 Rhd8 22. a3 Bf6 23. Nc5 Rc7 24. Ne4 Be7 25. Ng5 Bxg5 26.
fxg5 Ne5+ 27. Ke2 Nxe3 28. Rxd8+ Kxd8 29. fxe3 Nc4 {Strachan,C (1964)-Eriksson,
C (2176) Helsingor 2016 0-1 (49)}) 15... O-O-O 16. a4 Bd6 17. Bg3 Bxg3 18. hxg3
Nc4 19. b3 Nd2 20. Kg2 Nxb1 21. Raxb1 Rd2 22. Rbc1 h5 23. Red1 Rhd8 24. Rxd2
Rxd2 25. f4 Ne7 26. Kf3 Nd5 27. a5 g6 28. b4 Kd7 29. Be4 f5 30. Bxd5 Rxd5 31.
Ke3 e5 32. fxe5 Rxe5+ 33. Kf3 Re4 34. Rd1+ Ke7 35. Rd5 Rc4 36. Rd3 g5 37. Ke2
f4 38. Rd5 Kf6 39. gxf4 Re4+ 40. Kf1 Rxf4 41. Rb5 h4 42. Rxb7 h3 43. Rxa7 Rf3
44. a6 Rxc3 45. Rh7 Kg6 46. Rh8 Kg7 47. a7 Kxh8 48. a8=Q+ Kh7 49. Qb7+ Kh6 50.
Qb6+ Kh5 51. Qf6 Rc1+ 52. Ke2 Rg1 53. Kf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Nunes Jr, Sidney"]
[Black "Moreira, Cleber Naief"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 c6 6. Qd2 b5 7. h4 b4 ({RR} 7...
Qc7 8. O-O-O Nbd7 9. g4 h5 10. g5 Nh7 11. f4 Nb6 12. Bd3 Bg4 13. Rf1 O-O 14. f5
b4 15. Nd1 c5 16. Be2 Bxe2 17. Nxe2 Rfc8 18. dxc5 dxc5 19. fxg6 fxg6 20. Nf4
Qe5 21. Nd3 Qe6 22. Kb1 {Tseshkovsky,V (2560)-Kuzmin,G (2565) Tallinn (Estland)
1979 1-0 (50)}) 8. Nce2 Qb6 $146 ({RR} 8... a5 9. Nh3 h5 10. Nf2 Qc7 11. Nd3
Nbd7 12. Ng3 Ba6 13. Be2 c5 14. dxc5 dxc5 15. Bf4 e5 16. Be3 c4 17. Nf2 Rd8 18.
Rd1 O-O 19. O-O Nc5 20. Qc1 Ne6 21. c3 Nf4 22. Rfe1 Nxe2+ 23. Rxe2 {Cerovsky,
M-Neubauer,V (2033) Nachod 2006 0-1 (52)}) ({RR} 8... Nbd7 9. Qxb4 c5 10. Qd2
O-O 11. c3 Bb7 12. Ng3 h5 13. Nh3 cxd4 14. cxd4 e5 15. d5 Nb6 16. Be2 Nfxd5 17.
exd5 Qxh4 18. Bf2 Qe7 19. Ne4 f5 20. Nc3 Bf6 21. Qh6 Kf7 22. Qd2 Kg7 23. a4 {
Zhu,H (2245)-Li,D (2556) Xinghua CHN 2023 0-1 (60)}) 9. Nh3 Nbd7 10. Nef4 c5
11. Bc4 Ba6 12. dxc5 dxc5 13. Nd5 Nxd5 14. Qxd5 O-O-O 15. Bxa6+ Qxa6 16. Kf2
Bxb2 17. Rab1 e6 18. Qb3 Bc3 19. Rhd1 c4 20. Rd6 Qxd6 21. Qxc4+ Qc7 22. Qa6+
Qb7 23. Qc4+ Kb8 24. a3 Rc8 25. Qb3 a5 26. axb4 Bxb4 27. Nf4 Rc3 28. Qa4 Ra3
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Nunes, Gustavo Morais"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. a3 Be7 8. Nc3
d6 9. Qc2 Nbd7 10. O-O O-O 11. e4 e5 12. d5 $146 ({RR} 12. Nd5 Nxd5 13. cxd5
Rc8 14. b4 c6 15. dxc6 Bxc6 16. Qd3 exd4 17. Nxd4 Ne5 18. Nxc6 Rxc6 19. Qb5 Rc2
20. Bf4 Bf6 21. Rad1 Qc7 22. Rd5 axb4 23. axb4 Ra8 24. Rfd1 g5 25. Be3 Nc4 26.
Bxg5 Be5 {Puroila,S-Mujunen,M Lappeenranta 2002 1/2-1/2 (33)}) 12... Re8 13.
Rac1 Ba6 14. b3 g6 15. Bg5 Nh5 16. Be3 Ng7 17. Bh3 Nf6 18. Ng5 Bc8 19. f4 exf4
20. gxf4 Nfh5 21. Qg2 Bxh3 22. Nxh3 f5 23. e5 dxe5 24. fxe5 Bxa3 25. e6 Bxc1
26. Bxc1 Qh4 27. Ne2 a4 28. Ng5 axb3 29. Nf7 Qxc4 30. Nh6+ Kf8 31. Bb2 Ra2 32.
Bxg7+ Nxg7 33. Qg5 Qc5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Okamura, Milton"]
[Black "Borges, Ivoney"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 O-O 8.
Nge2 Be6 ({RR} 8... Nbd7) 9. O-O Bd6 $146 ({RR} 9... Nbd7 10. Qc2 h6 11. Bh4
Rc8 12. Rad1 c5 13. Nf4 a6 14. a4 Qb6 15. Qe2 Bd6 16. Bg3 Rfe8 17. Bb1 cxd4 18.
Rxd4 Bc5 19. Nxe6 Qxe6 20. Rd2 Nb6 21. Qf3 Nc4 22. Re2 g6 23. Rd1 Rcd8 24. Bh4
{Chang,S (2091)-Boyarchenko,M Turin 2006 0-1 (34)}) ({RR} 9... h6 10. Bh4 Nbd7
11. f3 c5 12. Bf2 c4 13. Bc2 Qb6 14. a3 Rfe8 15. Rb1 Rad8 16. h3 Nb8 17. e4
dxe4 18. fxe4 Qc7 19. Qe1 Bd7 20. e5 Nh5 21. Ng3 Nxg3 22. Bxg3 Be6 23. Rd1 Qb6
24. Qe4 {Azali,T (2099)-Kornyukov,A (2452) chess.com INT 2023 1-0 (33)}) 10. f3
Be7 11. Qc2 h6 12. Bh4 Nh5 13. Bf2 Bh4 14. g3 Be7 15. g4 Nf6 16. Ng3 Nbd7 17.
Nce2 Re8 18. Nf4 Nf8 19. Nxe6 Nxe6 20. Nf5 Ng5 21. Kg2 Ne6 22. Rac1 Nf8 23. h4
Kh8 24. Rh1 Ng8 25. a3 g6 26. Nxe7 Nxe7 27. Bg3 Kg7 28. Rce1 Qd7 29. Qd1 f6 30.
g5 h5 31. gxf6+ Kxf6 32. Be5+ Kf7 33. Kf2 Nh7 34. Reg1 Rg8 35. Qc2 Nf5 36. Rxg6
Rxg6 37. Bxf5 Rag8 38. Rh2 Qe7 39. Bxg6+ Rxg6 40. Qf5+ Nf6 41. Rg2 Rxg2+ 42.
Kxg2 Qe6 43. Qxe6+ Kxe6 44. Bxf6 Kxf6 45. e4 dxe4 46. fxe4 a5 47. Kf3 a4 48.
Ke3 Ke6 49. Kd3 b5 50. Kc3 Kd7 51. Kb4 Kd6 52. Ka5 Kc7 53. e5 Kb7 54. Kb4 Kc7
55. Kc5 Kd7 56. Kb6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Oliveira Filho, Fernando"]
[Black "Oliveira, Renato Sena"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. d4 e6 2. e4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Bd6 6. Nc3 c6 7. Nge2 O-O 8.
Qd2 Nbd7 9. O-O-O ({RR} 9. O-O Re8 10. Ng3 Nf8 11. Rae1 Ne6 12. f4 Nxg5 13.
fxg5 Rxe1 14. Rxe1 Ne8 15. Qf2 Be6 16. h4 h6 17. Qe3 hxg5 18. hxg5 Nc7 19. Nce2
g6 20. Rf1 Qe7 21. Rf6 Ne8 22. Qf3 Nxf6 23. gxf6 Qf8 {Annaberdiev,M (2476)
-Sumets,A (2618) Istanbul 2010 0-1}) ({RR} 9. h4 Re8 10. O-O-O b5 11. Ng3 a5
12. Nf5 Bf8 13. h5 a4 14. Rh3 b4 15. Ne2 b3 16. a3 c5 17. Rg3 c4 18. Nh6+ {
1-0 (18) Al Tarbosh,W (2280)-Yarullina,A (2084) chess.com INT 2023}) 9... Qc7
10. f3 h6 $146 ({RR} 10... b5 11. Rdg1 a5 12. g4 a4 13. h4 b4 14. Nb1 c5 15. h5
b3 16. axb3 axb3 17. c3 cxd4 18. Bxf6 Nxf6 19. g5 dxc3 20. Nbxc3 Ne8 21. g6 h6
22. gxf7+ Rxf7 23. Qxh6 d4 24. Qh7+ Kf8 25. Nxd4 {Lindner,R (1391)-Hager,J 
(1632) Willingen 2005 0-1 (34)}) 11. Bf4 a5 12. g4 Bxf4 13. Nxf4 a4 14. Nh5 b5
15. Nxf6+ Nxf6 16. g5 Nh5 17. gxh6 Qf4 18. hxg7 Qxd2+ 19. Kxd2 Kxg7 20. Ne2 Bh3
21. Rhg1+ Kf6 22. c3 Rg8 23. Rxg8 Rxg8 24. Rg1 Rg2 25. Rxg2 Bxg2 26. Ke3 Bf1
27. Ng3 Nxg3 28. hxg3 Bh3 29. g4 Kg5 30. Bf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Oliveira, Aquiles"]
[Black "Ferreira, Thales"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "133"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nge2 Nxe2 8.
Nxe2 Bxb2 9. Rb1 Bg7 10. Bxc5 d6 11. Bb4 Ne7 12. O-O Qc7 13. Qd2 O-O 14. f4 Bd7
$146 ({RR} 14... Rb8 15. c4 b5 16. cxb5 Rxb5 17. a4 Rb7 18. e5 d5 19. Bd6 Qd7
20. Rxb7 Bxb7 21. Rc1 Rc8 22. Rxc8+ Nxc8 23. Qb4 Nxd6 24. Qxd6 Qxd6 25. exd6
Bc6 26. Nc3 Bxc3 {0-1 (26) Li,B (1780)-Reshef,O (2461) chess.com INT 2017}) 15.
e5 Nc8 16. exd6 Nxd6 17. Bxd6 Qxd6 18. Rxb7 Bc6 19. Qb4 Qxb4 20. Rxb4 Bxg2 21.
Kxg2 Rfc8 22. c4 Rc6 23. Rfb1 Bf6 24. Rb8+ Rxb8 25. Rxb8+ Kg7 26. Kf3 Ra6 27.
Nc1 e5 28. fxe5 Bxe5 29. Rb5 Bc3 30. Ke2 Re6+ 31. Kd1 Re1+ 32. Kc2 Bd4 33. Kd2
Rh1 34. h4 Rh2+ 35. Ne2 Bf2 36. g4 Bxh4 37. d4 Rg2 38. c5 Rxg4 39. c6 Bd8 40.
Rb8 Ba5+ 41. Kd3 h5 42. Rb5 Bd8 43. Rb8 Ba5 44. Rb5 Bd8 45. d5 Rg5 46. Kc4 Rg4+
47. Kd3 Rg5 48. Nd4 Kf6 49. Kc4 a6 50. Rb7 h4 51. d6 h3 52. c7 Bxc7 53. dxc7
Rg1 54. Rb6+ Kg7 55. Rc6 Rc1+ 56. Kb3 Rxc6 57. Nxc6 h2 58. c8=Q h1=Q 59. Qxa6
Qd5+ 60. Qc4 Qd1+ 61. Kb4 Qb1+ 62. Kc5 Qf5+ 63. Kb6 Qb1+ 64. Kc7 f5 65. a4 Qg1
66. Qd4+ Qxd4 67. Nxd4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Paludo, Nicolas"]
[Black "Messias, Jose Vitor"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "127"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Bg5 Bc5 5. Nc3 h6 6. Bxf6 Qxf6 7. Nd5 Qd8 8.
h3 $146 ({RR} 8. c3 a6 9. b4 Ba7 10. a4 d6 11. b5 Ne7 12. Ne3 O-O 13. Be2 f5
14. Qb3+ Kh8 15. O-O fxe4 16. dxe4 Ng6 17. Rfd1 Nf4 18. Bc4 Nh3+ 19. Kf1 Ng5
20. Nxe5 Qf6 21. N5g4 Bxg4 22. Nxg4 Qf4 {Migliaro,S-Dos Santos,R (2370)
Rosario 2001 0-1}) ({RR} 8. Be2 d6 9. O-O O-O 10. h3 Be6 {1/2-1/2 (10)
Cetkovic,M (2265)-Duvnjak,S (2235) Belgrade 2007}) ({RR} 8. Be2 O-O 9. O-O d6
10. h3 Be6 11. c4 Nd4 12. Nxd4 Bxd4 13. Nc3 f5 14. exf5 Bxf5 15. Bg4 Bxg4 16.
Qxg4 c6 17. Rab1 Qf6 18. Ne4 Qe7 19. Ng3 Rf4 20. Nf5 Qf6 21. Qg6 Rxf5 22. Qxf6
Rxf6 {Hannah Zion Mawejje-Dutt Lakshita (1715) chess.com INT 2021 0-1 (56)})
8... Bf8 9. Be2 d6 10. b4 Ne7 11. c4 c6 12. Nc3 Ng6 13. a4 Nf4 14. b5 Nxg2+ 15.
Kd2 Qa5 16. Rg1 Nf4 17. Qb3 Be6 18. Rab1 c5 19. b6 axb6 20. Qxb6 Qxb6 21. Rxb6
Bc8 22. Nh4 Nxe2 23. Kxe2 g6 24. Ra1 Be7 25. Nd5 Kd7 26. Nxe7 Kxe7 27. Ng2 Ra7
28. Ne3 Be6 29. Rab1 Rb8 30. a5 Kd7 31. a6 Kc7 32. Rxb7+ Rbxb7 33. Rxb7+ Rxb7
34. axb7 Kxb7 35. Ng2 f5 36. Ke3 g5 37. h4 Kc6 38. exf5 Bxf5 39. hxg5 hxg5 40.
Ne1 g4 41. Ng2 d5 42. cxd5+ Kxd5 43. Ne1 Kc6 44. Kd2 e4 45. dxe4 Bxe4 46. Ke3
Bf5 47. Kf4 Be6 48. f3 gxf3 49. Kxf3 Kb5 50. Ke3 Bf5 51. Kd2 Kc4 52. Kc1 Be4
53. Nc2 Kc3 54. Ne3 Kd4 55. Nf1 Kc3 56. Ne3 Kd3 57. Nf1 Bf3 58. Nd2 Bd5 59. Nf1
c4 60. Ng3 Bg2 61. Nf5 c3 62. Nd6 c2 63. Nb5 Kc4 64. Na3+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Panazzolo, Paulo"]
[Black "Freitas, Mauricio"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Ng3 O-O 7. Bd3 c5 8. c3
Nc6 9. O-O cxd4 10. cxd4 g6 $146 ({RR} 10... Kh8 11. Be3 Nb4 12. Ng5 Nxd3 13.
Qxd3 h6 14. Nf3 Bd6 15. Ne4 Nxe4 16. Qxe4 f5 17. Qc2 Qf6 18. Rad1 Bd7 19. b3
Bb5 20. Rfe1 Bb4 21. Bd2 Rac8 22. Qb2 Bxd2 23. Qxd2 Bc6 24. Ne5 Rfd8 25. Qa5 {
Collisy,K (1228)-Schettke,M Dortmund 2003 1-0 (48)}) 11. Be3 a6 12. Rc1 Nb4 13.
Bb1 b5 14. h4 Bb7 15. a3 Nbd5 16. Bh6 Re8 17. h5 Ng4 18. Qd2 Qd6 19. hxg6 hxg6
20. Ng5 Bxg5 21. Bxg5 Ndf6 22. Bxf6 Nxf6 23. Qd3 Kg7 24. Rfe1 Rh8 25. Re5 Rh4
26. Rce1 Bd5 27. f3 Bc4 28. Qe3 Rxd4 29. Qg5 Rd2 30. Ne4 Qd4+ 31. Qe3 Qxe3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Paniago, Lucio"]
[Black "Silva, Joao Fernandes"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 a6 7. cxd5 Nxd5 8.
Bxe7 Nxe7 ({RR} 8... Qxe7 9. Rc1 c6 10. Bc4 O-O 11. Ne4 N5f6 12. Nxf6+ Qxf6 13.
Bb3 e5 14. O-O exd4 15. Qxd4 Qxd4 16. Nxd4 Nf6 17. f3 a5 18. a3 a4 19. Ba2 Ra5
20. Rfd1 Re8 21. e4 g6 22. Rd2 Kg7 23. Kf2 {Cvitan,O (2560)-Kovacevic,V (2520)
Pula 1998 1/2-1/2 (52)}) ({RR} 8... Qxe7 9. Qc2 c5 10. Nxd5 exd5 11. dxc5 Qxc5
12. Qxc5 Nxc5 13. Rc1 b6 14. Nd4 Ke7 15. Be2 a5 16. O-O Bb7 17. Rc2 Rhd8 18.
Bg4 Ne6 19. Rc3 g6 20. Rfc1 Rac8 21. Bxe6 Rxc3 22. Rxc3 fxe6 23. f4 {Neelotpal,
D (2431)-Potawad,A (1905) Madurai IND 2022 1/2-1/2 (37)}) 9. Bd3 O-O 10. Qc2
Nf6 $146 ({RR} 10... g6 11. O-O b5 12. Rfd1 Bb7 13. Be4 Nd5 14. Nxd5 exd5 15.
Bd3 Rc8 16. b4 Qe7 17. a3 f5 18. Nd2 Qf6 19. g3 Rf7 20. Nb3 g5 21. Bf1 f4 22.
exf4 gxf4 23. Bh3 f3 24. Qd3 Nb6 25. Nc5 {Timar,Z (2165)-Firnigel,J (1890)
Hungary 1997 1-0 (33)}) 11. Ne5 Ng6 12. Nxg6 hxg6 13. Rc1 b5 14. Ne4 Bb7 15.
Nc5 Bc8 16. O-O Ra7 17. Ne4 Nxe4 18. Bxe4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pasqualotto, Amos"]
[Black "Santos, Wenesley"]
[Result "1/2-1/2"]
[ECO "D18"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. Bd2
O-O 9. O-O h6 ({RR} 9... c5 10. Ne2 Bxd2 11. Nxd2 Nbd7 12. dxc5 Nxc5 13. Nd4 {
1/2-1/2 (13) Romanishin,O (2550)-Kupreichik,V (2500) Muenster 1997}) ({RR} 9...
a5 10. Re1 Nbd7 11. e4 Bxc3 12. exf5 Bxd2 13. Qxd2 exf5 14. Rad1 Ne4 15. Qf4
Qf6 16. Qc7 Qd6 17. Qxd6 Nxd6 18. Bb3 Rfe8 19. Rxe8+ Rxe8 20. Kf1 Kf8 21. Ne5
Nb6 22. Nd3 Nd5 23. Bxd5 cxd5 24. Nf4 {Karabut,V (1973)-Savostjanov,I (2144)
Omsk 2015 1/2-1/2 (40)}) 10. Ba2 $146 ({RR} 10. h3 Qe7 11. Ne5 c5 12. Ne2 Bxd2
13. Qxd2 cxd4 14. Nxd4 Bh7 15. Rac1 Nbd7 16. Ndf3 Rfd8 17. Qe2 Nxe5 18. Nxe5
Qb4 19. b3 Rac8 20. Rfd1 a6 21. f3 Qb6 22. Kh1 Rxd1+ 23. Rxd1 Rd8 24. e4 Nh5 {
Wenzel,A-Reer,E Schwaebisch Gmuend 1993 1/2-1/2}) 10... Nbd7 11. Bb1 Bxb1 12.
Nxb1 Bxd2 13. Nbxd2 a5 14. Qc2 Nb6 15. Rfc1 Nbd5 16. Ne5 Nb4 17. Qd1 Nd7 18.
Nxd7 Qxd7 19. Nc4 Qd8 20. Ne5 Qe7 21. Nd3 Rad8 22. Nxb4 Qxb4 23. Qc2 Rd5 24.
Qc3 Qb6 25. b3 Rfd8 26. Rab1 Qc7 27. Qe1 e5 28. dxe5 Qxe5 29. g3 Qh5 30. b4 Rd2
31. bxa5 Qxa5 32. Rxb7 Qxa4 33. Rb8 Rxb8 34. Qxd2 Rc8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Passos, Rafael Moreira"]
[Black "Assad, Leonardo"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. O-O O-O 8. e5
Nd7 9. Re1 Qc7 10. Qe2 b5 11. Nf1 Bb7 12. h4 Rac8 ({RR} 12... Rfc8 13. Bf4 Nd4
14. Nxd4 cxd4 15. Rec1 Qb6 16. Nd2 Rc7 17. Nf3 Rac8 18. a3 a5 19. h5 Ba6 20. h6
g6 21. Bh3 Rc6 22. Kg2 Qa7 23. Bg4 Bd8 24. Bh3 Bb6 25. b3 Qb8 26. Ra2 R8c7 27.
Rd1 {Sale,S (2395)-Kravtsiv,M (2583) Petrovac 2015 1-0 (57)}) 13. Bf4 b4 ({RR} 
13... d4 14. h5 h6 15. N3h2 Rfe8 16. a3 Bf8 17. Qd2 Ne7 18. a4 a6 19. axb5 axb5
20. c3 dxc3 21. bxc3 Nd5 22. c4 Nxf4 23. Qxf4 b4 24. Nd2 Bxg2 25. Kxg2 f6 26.
Ndf3 Nxe5 27. Nxe5 Bd6 28. Nhg4 {Patrelakis,E (2387)-Poupalos,N (1906)
Vrnjacka Banja SRB 2023 1/2-1/2 (67)}) 14. N1h2 Qd8 $146 ({RR} 14... Nb6 15.
Ng4 Kh8 16. c3 a5 17. Ng5 a4 18. Nf6 h6 19. Qh5 Nd8 20. Ngh7 Rg8 21. Nxg8 Kxg8
22. Nf6+ Kh8 23. Bxh6 Bxf6 24. Bf4+ Kg8 25. exf6 e5 26. Bxe5 Qc6 27. fxg7 {
1-0 (27) Fuks,S (2236)-Saenko,O Alushta 1999}) 15. Ng5 g6 16. Qg4 Nd4 17. h5
Kg7 18. Rac1 Nf5 19. Nhf3 d4 20. Nxd4 cxd4 21. Bxb7 Rc7 22. Be4 Nh6 23. Qh4 Nf5
24. h6+ Nxh6 25. Kg2 Rh8 26. Qxh6+ Kg8 27. Rh1 Nxe5 28. Bxe5 Bxg5 29. Qg7# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pimentel, Lucas Santos"]
[Black "Souza, Eliel"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. c4 c6 7. Nc3 ({RR} 7. b3
a5 8. Qc2 a4 9. bxa4 Qa5 10. Nc3 dxc4 11. dxc4 e5 12. Rb1 Nbd7 13. Nd2 Qa6 14.
Rd1 Nb6 15. Qb3 Nxa4 16. Nxa4 Qxa4 17. Bb2 Qa5 18. Bc3 Qc7 19. a4 Nd7 20. a5
Nc5 21. Qc2 Be6 {Svidler,P (2689)-Aravindh,C (2646) Samarkand UZB 2023 1/2-1/2
(32)}) ({RR} 7. Qc2 b6 8. e4 Bb7 9. e5 Nfd7 10. Qe2 c5 11. Nc3 dxc4 12. dxc4
Nc6 13. Rd1 a6 14. Bf4 Ra7 15. Ne4 Ba8 16. Rd2 Qc8 17. Rad1 Rd8 18. h4 Nf8 19.
h5 Rxd2 20. Rxd2 Rd7 21. Qe3 Rxd2 {Tsolakidou,S (2385)-Georgescu,L (2292)
Germany GER 2023 1/2-1/2 (54)}) 7... Nbd7 8. a3 a5 9. Bf4 Nh5 $146 ({RR} 9...
Nb6 10. b3 Nfd7 11. e4 Bf6 12. e5 Be7 13. Re1 a4 14. cxd5 cxd5 15. b4 Nb8 16.
Rc1 Nc6 17. Re2 g5 18. Bd2 g4 19. Ne1 Nd4 20. Bh6 Bg5 21. Bxf8 Nxe2+ 22. Nxe2
Bxc1 23. Qxc1 Kxf8 24. Qh6+ {Rollot,F (1845)-Moingt,A (2073) Espalion 2016 0-1
(44)}) 10. Bd2 Qc7 11. cxd5 cxd5 12. Nb5 Qd8 13. Rc1 Nc5 14. Be3 Na6 15. Qb3 b6
16. Ne5 Nc5 17. Bxc5 bxc5 18. Nc6 Qd7 19. Nxe7+ Qxe7 20. Qc2 Qf6 21. Rb1 Ba6
22. Nc7 Qe7 23. Nxa8 Rxa8 24. Rfc1 Rc8 25. b4 axb4 26. axb4 c4 27. b5 Bb7 28.
dxc4 Nf6 29. c5 Ne4 30. Bxe4 dxe4 31. c6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pinheiro, Pedro"]
[Black "Carvalho, Amauri"]
[Result "1-0"]
[ECO "B46"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 Bb7 ({
RR} 7... e5 8. f4 d6 9. O-O Nf6 10. Qf3 ({RR} 10. Kh1 Be7 11. Qf3 ({RR} 11.
fxe5)) 10... Be7 11. fxe5 dxe5 12. Kh1 O-O 13. Qg3 Qc7 14. Bc4 Be6 ({RR} 14...
Nh5 15. Qf2 Nf6 16. Bg5 h6 17. Bxf6 Bxf6 18. Rad1 a5 19. Qg3 Qe7 20. b3 Bb7 21.
Na4 Rad8 22. Rxd8 Rxd8 23. Qe3 Qc7 24. c3 Bc8 25. a3 Rd6 26. b4 Be6 27. Bxe6
Rxe6 28. Nc5 Rd6 29. Nb3) 15. Bxe6 fxe6 16. Bg5 Nh5 17. Qg4 Bxg5 18. Qxh5 ({RR
} 18. Qxg5 Nf4 19. g3 Ng6) 18... h6 19. Qe2 Qb6 20. b3 Qd4 21. Na4 Rf4 22. Rxf4
{Wang,H (2638)-Liang,J (2467) China 2007 0-1} ({RR} 22. Rad1 Qxe4 23. Qxe4 Rxe4
24. Nc5 Re2 25. Nxe6 Rxc2 26. Nxg5 hxg5)) ({RR} 7... d5 8. O-O Nf6 9. Qe2 Be7
10. Na4 O-O 11. c4 Bb7 12. e5 Nd7 13. Bf4 Nb6 14. Nxb6 Qxb6 15. h4 Rfd8 16. h5
dxc4 17. Bxc4 c5 18. h6 Qc6 19. f3 g6 20. Rfd1 Qb6 21. b3 Kf8 22. Qe3) ({RR} 
7... Qc7) 8. O-O Qc7 $146 ({RR} 8... d6 9. Be3 d5 10. exd5 cxd5 11. Bd4 Nf6 12.
Qf3 Be7 13. Rae1 Bf8 14. Qe3 Qd7 15. Qf3 Qe7 16. Qe2 Bc8 17. f4 Qc7 18. f5 Be7
19. fxe6 Bxe6 20. Be5 Qc5+ 21. Kh1 a5 22. Qf3 Rd8 23. Bb5+ {Ascenzo,A-Dass,A
Dos Hermanas 2004 1-0}) ({RR} 8... d6 9. Qe2 e5 10. f4 Nf6 11. Be3 Be7 12. Rad1
Qc7 13. fxe5 dxe5 14. Bc4 O-O 15. Kh1 h6 16. Bb3 a5 17. Qf3 Ba6 18. Rfe1 Rad8
19. Na4 c5 20. c4 Qc6 21. Nc3 Bb7 22. Nd5 Rd7 23. Bd2 {wagnerovsky (2269)
-sandu76 (1961) lichess.org 2020 1-0}) 9. Qg4 Nf6 10. Qe2 d5 11. exd5 cxd5 12.
Bg5 Be7 13. Bh4 O-O 14. Rac1 Ne8 15. Qh5 g6 16. Qg4 Bxh4 17. Qxh4 Kg7 18. Rfe1
Nf6 19. Ne2 e5 20. Ng3 e4 21. Bf1 Rad8 22. c3 Qb6 23. Rc2 Rfe8 24. Ne2 Bc8 25.
Nd4 Qc7 26. a4 Re5 27. Qf4 Nh5 28. Qe3 Qd6 29. c4 Nf6 30. c5 Qc7 31. b4 Rh5 32.
Qg3 Qxg3 33. hxg3 Nd7 34. c6 Ne5 35. c7 Rd7 36. b5 Nc4 37. Bxc4 dxc4 38. Rxc4
axb5 39. Nxb5 Ba6 40. c8=Q Bxc8 41. Rxc8 Re5 42. Rc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pinto, Pedro Jorge M"]
[Black "Pessoa, Marcio"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. Nf3 f5 2. b3 Nf6 3. Bb2 e6 4. g3 d5 5. Bg2 Bd6 6. O-O O-O 7. c4 c6 8. d3 Qe7
9. Nc3 ({RR} 9. Nbd2 e5 10. cxd5 cxd5 11. e4 fxe4 12. dxe4 d4 13. Bxd4 exd4 14.
e5 Bxe5 15. Re1 Bg4 16. h3 Bxf3 17. Nxf3 Nc6 18. Nxe5 Nxe5 19. f4 Rfd8 20. fxe5
Ne8 21. Qf3 Rac8 22. Rad1 g6 23. Qxb7 Rc7 {Dvirnyy,D (2574)-Cruz,C (2554)
Catalunya 2014 1-0 (35)}) 9... Nbd7 ({RR} 9... e5 10. cxd5 Nxd5 11. Nd2 Nxc3
12. Bxc3 Nd7 13. Nc4 Bc7 14. Qc2 Nb6 15. Qb2 Nxc4 16. bxc4 Rb8 17. Rab1 Bd7 18.
a4 b5 19. cxb5 cxb5 20. Qa2+ Kh8 21. axb5 Bb6 22. Qd5 Rfe8 23. Bb4 Qe6 24. Qxe6
{Hank,H (1951)-Diehl,S (1789) Heusenstamm GER 2023 1-0 (53)}) 10. a3 $146 ({RR
} 10. Qc2 f4 11. Rae1 Ng4 12. e4 dxc4 13. d4 Nb6 14. h3 Nh6 15. g4 Nf7 16. Ne2
cxb3 17. Qxb3 Ng5 18. Nc1 Nxf3+ 19. Bxf3 Qf7 20. Nd3 e5 21. Qxf7+ Rxf7 22. dxe5
Bf8 23. Bd1 Be6 24. Bb3 Nc4 {Vilela de Acuna,J (2400)-Arencibia Rodriguez,W 
(2335) Cuba 1986 0-1 (47)}) 10... e5 11. cxd5 cxd5 12. Nb5 Bb8 13. a4 Qd8 14.
Ba3 Re8 15. Rc1 Nf8 16. Qc2 Ne6 17. Qb2 a6 18. Nc3 e4 19. Ne1 Be5 20. e3 d4 21.
Ne2 Ng4 22. exd4 Nxd4 23. Nxd4 Bxd4 24. Qe2 exd3 25. Qxe8+ Qxe8 26. Nxd3 Be6
27. h3 Nf6 28. Rfe1 Qd7 29. Rcd1 Ne4 30. Bxe4 fxe4 31. Nc5 Bxf2+ 32. Kxf2 Qf7+
33. Kg2 Qf3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pironti, Francisco"]
[Black "Kruger, Israel"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "92"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Qc7 8.
Be3 a6 9. f4 d6 10. g4 h6 11. Qe2 b5 12. Bg2 Bb7 13. O-O-O Be7 14. h4 b4 $146 (
{RR} 14... O-O-O 15. g5 hxg5 16. hxg5 Nd7 17. g6 fxg6 18. Bh3 Bf6 19. Bxe6 Bxc3
20. Rxh8 Rxh8 21. bxc3 Nd8 22. Bxd7+ Qxd7 23. e5 Rh1 24. Bg1 Qe7 25. c4 dxe5
26. cxb5 axb5 27. Kb2 Rh5 28. Qg4+ Rf5 29. Re1 {Ozsakallioglu,O (2228)-Celik,E
(1869) Umraniye TUR 2023 1-0 (41)}) 15. axb4 Nxb4 16. g5 Nd7 17. g6 fxg6 18.
Nd4 Nf8 19. Qg4 Bc8 20. Qg3 Rb8 21. h5 Bf6 22. hxg6 Qa5 23. Nb3 Qc7 24. Bd4 e5
25. fxe5 dxe5 26. Bc5 Be6 27. Bd6 Qb6 28. Bxb8 Qxb8 29. Nc5 Qb6 30. Nxe6 Nxe6
31. Nd5 Nxd5 32. exd5 Nd4 33. Qd3 O-O 34. c3 Rb8 35. b4 Rc8 36. Kb2 Nb5 37. Rc1
Nxc3 38. Qc2 Rc4 39. Qb3 Rxb4 40. Rxc3 e4 41. Kc2 Rxb3 42. Rxb3 Qc5+ 43. Kb1
Kf8 44. Rc1 Qd4 45. Rb8+ Ke7 46. Rcc8 Qg1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pomar, Marcelo"]
[Black "Setti, Eduardo"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 6. d4 exd4 7. cxd4 Bb4+ 8.
Bd2 O-O 9. Bxc6 Bxd2+ 10. Nbxd2 bxc6 11. O-O d5 12. e5 Ne4 13. Qc2 $146 ({RR} 
13. Re1 Rb8 14. b3 Bf5 15. Rc1 Rb6 16. h3 Qe7 17. Nxe4 Bxe4 18. Nd2 Bf5 19. Nf1
Bd7 20. Ng3 a5 21. Rc5 Rb5 22. Rc3 c5 23. a4 cxd4 24. Rxc7 Rb4 25. Nf5 Qe6 26.
Nxd4 Qb6 27. Rxd7 Rxd4 {Quparadze,G (2514)-Ratsma,M (2218) Cesme TUR 2023 1-0 
(60)}) 13... Nxd2 14. Nxd2 Bd7 15. Nb3 f6 16. f4 fxe5 17. fxe5 Qg5 18. Qc3 h5
19. Nc5 Bf5 20. Rad1 Rad8 21. Rf2 h4 22. h3 Qg6 23. Qe3 Bb1 24. Rdf1 Bf5 25.
Rf4 Qg5 26. Qf2 Qg6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Pontes, Felipe"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Nf3 O-O 6. Be2 Nbd7 7. O-O c6 8. h3 (
{RR} 8. cxd5 exd5 {1/2-1/2 (8) Grunberg,M (2381)-Moldovan,D (2432) Sovata 2001}
) 8... Re8 9. Re1 Nf8 $146 ({RR} 9... a6 10. a3 dxc4 11. Bxc4 b5 12. Bd3 Bb7
13. Bd2 c5 14. Be2 cxd4 15. Nxd4 Nc5 16. b4 Ncd7 17. Bf3 Qb6 18. Bxb7 Qxb7 19.
Qf3 Qxf3 20. Nxf3 Rac8 21. Rec1 Nb6 22. Be1 Nc4 23. Kf1 h6 24. Ke2 {Marjanovic,
N (2021)-Bogdanovic,D (1986) Nis 2013 1/2-1/2 (36)}) ({RR} 9... Bd6 10. b3 b6
11. Bd2 Bb7 12. Bd3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Rc1 dxc4 16. Bxc4 c5 17.
Qe2 a6 18. a4 Qc7 19. Red1 Bh2+ 20. Kh1 Re5 21. f3 Rh5 22. e4 Be5 23. Nd5 Nxd5
24. exd5 {Razafindrabiaza,C (1635)-Sara Masood Abdullah (1677) Chennai IND
2022 0-1 (53)}) 10. cxd5 exd5 11. Bd3 Be6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4
Bf6 15. Bc2 h6 16. Be3 Qd7 17. Ne5 Bxe5 18. dxe5 Qxd1 19. Raxd1 Bd5 20. Bd4 Ne6
21. g3 b6 22. Be3 Rad8 23. f4 Bf3 24. Rxd8 Rxd8 25. Kf2 Bd5 26. f5 Nc7 27. Bf4
Ne8 28. e6 fxe6 29. fxe6 g5 30. Bd2 Bc4 31. Bc3 Rd6 32. Bg6 Kf8 33. e7+ Kg8 34.
Bxe8 c5 35. Bc6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Rezende, Uelton"]
[Black "Andrade, Roberto Costa"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "29"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. d4 c5 3. c4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 a6 8.
N5c3 e4 9. Nxe4 Bb4+ 10. Nec3 O-O $146 ({RR} 10... Nxd5 11. Bd2 Nf6 12. Qa4+
Nc6 13. Be2 Bf5 14. Bf3 Qd6 15. Nb5 axb5 16. Qxa8+ Nd8 17. O-O O-O 18. Bxb4
Qxb4 19. Qa3 Qh4 {1-0 (19) Ramirez,H (2104)-Munoz Monroy,C (1911) Mosquera 2014
}) 11. Bc4 Ng4 12. Qe2 Re8 13. Nd2 Bf5 14. O-O Nd7 15. Nf3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Ribeiro, Fabiano Pinto"]
[Black "Peixoto, Rudson"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. c3 e6 4. g3 Nf6 5. Bg2 Nc6 6. d3 Be7 7. O-O O-O 8. Re1 e5
9. d4 cxd4 10. cxd4 Bg4 11. d5 Nd4 12. h3 $146 ({RR} 12. Be3 Nxf3+ 13. Bxf3 Qd7
14. Nc3 Bxf3 15. Qxf3 Ng4 16. Rac1 f5 17. exf5 Nxe3 18. Qxe3 Rxf5 19. Ne4 Bd8
20. Rc2 Bb6 21. Qc3 Raf8 22. Ree2 Rd8 23. Qd3 Rh5 24. Qf3 Qh3 25. Qg2 Qg4 26.
Kh1 Rf5 {Stefan,B (2127)-Grozav,V (2170) Olanesti 2012 0-1 (89)}) ({RR} 12. Be3
Nxf3+ 13. Bxf3 Bxf3 14. Qxf3 b5 15. a3 Rc8 16. Nc3 Qd7 17. Qe2 a6 18. f3 Rc4
19. Na2 a5 20. Rac1 Rfc8 21. Rxc4 Rxc4 22. Rc1 Rxc1+ 23. Nxc1 Bd8 24. Na2 h5
25. Qc2 Qh3 26. Nc3 h4 {Mazurkiewicz,M (2145)-Mahdavi,R (2324) chess.com INT
2023 0-1}) 12... Nxf3+ 13. Bxf3 Bxh3 14. Nc3 Bd7 15. Be3 b5 16. Kg2 b4 17. Ne2
Ng4 18. Bxg4 Bxg4 19. f3 Bd7 20. Qd2 f5 21. Qxb4 Rb8 22. Qd2 fxe4 23. fxe4 Qe8
24. Bxa7 Qh5 25. Ng1 Bg5 26. Be3 Bxe3 27. Rxe3 Rf6 28. Nf3 Qh3+ 29. Kf2 Qh2+
30. Ke1 Qh1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Rocha, Jean Henrique"]
[Black "Timossi, Lucas Jose"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nbd7 7. Nc3 c5 8. Bg5
Qb6 ({RR} 8... h6 9. Bxf6 Nxf6 10. e3 Bf5 11. Re1 Ne4 12. Nd2 Nxc3 13. bxc3 Qa5
14. Qb3 Rab8 15. Qb5 Qxc3 16. Ne4 Bxe4 17. Bxe4 cxd4 18. Rac1 Qa3 19. exd4 Bxd4
20. Qd5 e5 21. Rc2 Kg7 22. h4 f5 23. Bg2 {indecision4 (2418)-Sunye Neto,J 
(2436) lichess.org 2021 1-0 (43)}) ({RR} 8... Rb8 9. Rc1 a6 10. e4 Ne8 11. e5
cxd4 12. exd6 Nxd6 13. Nxd4 h6 14. Bf4 e5 15. Nf3 Nxc4 16. Qe2 b5 17. Be3 Bb7
18. Rfd1 Qe8 19. b3 Nxe3 20. Qxe3 e4 21. Nd4 Nf6 22. h3 Qe5 23. a3 {Arnold,
K-Domingo Nunez,R (2416) chess.com INT 2023 0-1 (57)}) 9. b3 h6 10. Bxf6 Bxf6
$146 ({RR} 10... Nxf6 11. e3 Bd7 12. Qd2 Rfd8 13. Rfd1 a5 14. Rab1 Qc7 15. Qe2
a4 16. b4 cxd4 17. Nxd4 Rac8 18. Bf1 Qb6 19. a3 e6 20. Ndb5 Bxb5 21. Nxb5 Ne4
22. Rbc1 Bf8 23. Bg2 Nf6 24. Qf3 Ne8 25. Qxb7 {Vu,N-Nguyen,B Hue 2003 1-0 (43)}
) 11. e3 cxd4 12. Nxd4 Qa5 13. Qc2 a6 14. Rfd1 Rb8 15. Rac1 Nc5 16. Qb2 Ne6 17.
Nd5 Nxd4 18. Nxf6+ exf6 19. Rxd4 Qe5 20. Rcd1 b5 21. Qe2 bxc4 22. Qxc4 Qa5 23.
a4 Be6 24. Bd5 Rfc8 25. Qe2 Qc3 26. Bxe6 fxe6 27. Qxa6 Rc6 28. Qe2 Qxb3 29.
Rxd6 Qxa4 30. Qd3 Rxd6 31. Qxg6+ Kf8 32. Qxf6+ Ke8 33. Rxd6 Rb1+ 34. Kg2 Qe4+
35. Kh3 Qf5+ 36. Qxf5 exf5 37. Rxh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Rocha, Matheus Eugenio"]
[Black "Avelar, Flavio Henrique"]
[Result "0-1"]
[ECO "D48"]
[PlyCount "118"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
a6 9. O-O Be7 10. a3 ({RR} 10. e4 c5 11. e5 Nd5 12. Nxd5 exd5 13. dxc5 Nxc5 14.
h3 Be6 15. Nd4 Qc7 16. f4 Nxd3 17. Qxd3 Qc4 18. Qd1 Bc5 19. Be3 Bxd4 20. Bxd4
Bf5 21. Rc1 Qd3 22. Qxd3 Bxd3 23. Rf3 Be4 24. Rfc3 O-O {Lima,S (2076)
-Campagnolo,F (1663) Rio de Janeiro BRA 2022 1-0 (31)}) 10... O-O 11. b4 $146 (
{RR} 11. e4 c5 12. Be3 Bb7 13. e5 Ng4 14. Ne4 cxd4 15. Bxd4 Qb8 16. Neg5 h6 17.
Nh7 Rd8 18. Nfg5 Ndxe5 19. Bxe5 Nxe5 20. Nxf7 Nxf7 21. Qe2 Qe5 22. Qc2 Qd5 23.
Nf6+ Bxf6 24. Bh7+ Kh8 25. f3 Qd2 {Jolivel,D (1950)-Brucelle,C (1979) Arradon
2004 0-1}) 11... Bb7 12. Re1 Qc7 13. e4 e5 14. dxe5 Nxe5 15. Bf4 Bd6 16. Nxe5
Bxe5 17. Bxe5 Qxe5 18. Rc1 Rad8 19. Qe2 Bc8 20. Qc2 Ng4 21. g3 Qh5 22. h4 Rxd3
23. Qxd3 Ne5 24. Qd1 Nf3+ 25. Kh1 Qg4 26. Qd6 Nxe1 27. Rxe1 h6 28. Kg1 Be6 29.
Ne2 Qf3 30. Nd4 Qc3 31. Re3 Qc1+ 32. Kg2 Bc4 33. Ne2 Bxe2 34. Rxe2 Qxa3 35.
Qxc6 Qxb4 36. Qxa6 Qc4 37. Qa2 Qxa2 38. Rxa2 Rb8 39. Rb2 b4 40. Rb3 f6 41. Kf3
Kf7 42. Ke3 Ke6 43. f4 Kd6 44. Kd4 g5 45. hxg5 hxg5 46. fxg5 fxg5 47. e5+ Ke6
48. Ke4 Rb5 49. Kd4 Rb7 50. g4 Rb8 51. Ke4 Rf8 52. Re3 Rf4+ 53. Kd3 Rxg4 54.
Kc2 Rc4+ 55. Kb3 Rc3+ 56. Rxc3 bxc3 57. Kxc3 Kxe5 58. Kd3 Kf4 59. Ke2 Kg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Rosa, Diego"]
[Black "Carvalho, Willian"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bc5 6. O-O d6 7. Re1 O-O 8. d3
Bg4 9. h3 Bh5 10. Be3 Bxe3 11. fxe3 d5 $146 ({RR} 11... h6 12. g4 Bg6 13. d4
exd4 14. exd4 b5 15. Bb3 b4 16. e5 bxc3 17. exf6 Qxf6 18. bxc3 Na5 19. Re3 Nxb3
20. cxb3 Rae8 21. Qd2 Qf4 22. Rae1 Rxe3 23. Rxe3 Qg3+ 24. Qg2 Qf4 25. Qd2 Be4
26. Qf2 {Scanteie,D (1001)-Popescu,R (1047) Calimanesti Caciulata 2016 1-0 (54)
}) 12. g4 dxe4 13. Bxc6 exf3 14. Bxf3 Bg6 15. e4 c6 16. Ne2 Qb6+ 17. Kg2 Ne8
18. b3 Nc7 19. Qd2 Ne6 20. h4 f6 21. Rh1 Rad8 22. Rh3 Nc5 23. Qe3 Qa5 24. h5
Bf7 25. g5 fxg5 26. Qxg5 Ne6 27. Qe3 Nf4+ 28. Nxf4 exf4 29. Qxf4 Be6 30. Qg3
Qd2+ 31. Kh1 Bxh3 32. Qxh3 Qxc2 33. Qe6+ Kh8 34. h6 Qc3 35. Rg1 gxh6 36. Bh5
Qf6 37. Rg8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Santiago, Mauro"]
[Black "Cavalcante, Rodrigo"]
[Result "0-1"]
[ECO "E04"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 c6 5. O-O Be7 6. Nbd2 ({RR} 6. c4 b6 7. Nc3
Nbd7 8. Ne5 Bb7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nxe5 12. dxe5 Qc7 13. Qf3 O-O
14. Bf4 Rfd8 15. Rfd1 h6 16. h4 Rab8 17. Qg4 Kf8 18. h5 c5 19. Qf3 Bxe4 20.
Qxe4 Kg8 {Cosma,I (2475)-Navrotescu,C (2440) Bucharest 1998 1-0 (58)}) 6... O-O
7. Ne5 ({RR} 7. Re1 b6 8. e4 dxe4 9. Nxe4 Nxe4 10. Rxe4 Bb7 11. Re1 c5 12. Bf4
Qc8 13. dxc5 Rd8 14. Qe2 Qxc5 15. c4 Nd7 16. Rad1 Nf8 17. Be3 Qc7 18. Nd4 Bxg2
19. Kxg2 Bb4 20. Rf1 e5 21. Nf3 Ne6 {Bocharov,D (2521)-Zhambalov,B (2033)
Satka RUS 2023 1-0 (59)}) 7... Nbd7 8. e4 $146 ({RR} 8. f4 Ne8 9. e4 f6 10. Nd3
Qb6 11. c3 e5 12. fxe5 fxe5 13. exd5 exd4 14. c4 Rxf1+ 15. Qxf1 Ndf6 16. dxc6
bxc6 17. b4 a5 18. b5 Bb7 19. a4 Nc7 20. Qf5 Rf8 21. c5 Qa7 22. b6 Qa6 {
Romi,M-Padulli,G Milan 1931 1-0 (35)}) 8... Qb6 9. c3 Nxe5 10. dxe5 Nd7 11.
exd5 exd5 12. Qe2 Nc5 13. Kh1 Bf5 14. Qf3 Bg6 15. b4 Ne6 16. Nb3 Rae8 17. Qe2
f6 18. Bh3 Ng5 19. Bxg5 fxg5 20. Bd7 Rd8 21. e6 Rf3 22. Nd2 Rxc3 23. f4 Qe3 24.
Qxe3 Rxe3 25. f5 Bh5 26. b5 c5 27. a4 Rd3 28. Rf2 c4 29. Kg2 Bc5 30. Nxc4 dxc4
31. Rc2 c3 32. Kh3 Be7 33. Rf1 g4+ 34. Kg2 Rd2+ 35. Rf2 Rxc2 36. Rxc2 Bf6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Santos, Clecio Franca"]
[Black "Andrade, Guilherme Souza"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 ({RR} 
7... b5 8. Be3 Nc6 9. g4 a5 10. g5 b4 11. Ne2 Nh5 12. Qd2 Be6 13. Ng3 Nxg3 14.
hxg3 a4 15. Nc1 Qa5 16. f4 exf4 17. gxf4 d5 18. f5 Ne5 19. Qf2 b3+ 20. c3 dxe4
21. fxe6 Nf3+ 22. Kd1 {Vallejo Pons,F (2630)-Savchenko,S (2550) Moscow 2001
1-0 (36)}) 8. a4 ({RR} 8. Bg5 O-O 9. Be2 Nc6 10. O-O Qb6+ 11. Kh1 Re8 12. Bxf6
Bxf6 13. Nd5 Qd8 14. Nxf6+ Qxf6 15. Bc4 b5 16. Bd5 Bb7 17. Qd3 Nb4 18. Qd2 Nxd5
19. exd5 Rac8 20. c3 Qd8 21. Rae1 a5 22. f4 a4 {Skuridina,E (1343)-Popeti
Martinez,A lichess.org INT 2022 1-0 (59)}) 8... Be6 9. Nd5 $146 ({RR} 9. Be3
O-O 10. a5 Nbd7 {1/2-1/2 (10) Bernardez Duran,T-Rodriguez Lopez,R (2410)
Mondariz 1996}) 9... Bxd5 10. exd5 Nbd7 11. Be3 a5 12. Qd2 Qc7 13. c4 O-O 14.
Qf2 b6 15. Bd3 e4 16. Be2 Nc5 17. Nd4 Nfd7 18. O-O Bf6 19. Nb5 Qb8 20. Ra2 exf3
21. gxf3 Ne5 22. Qg2 Qd8 23. Bf4 Rc8 24. Kh1 Qd7 25. Bxe5 dxe5 26. f4 Rcd8 27.
Bg4 Qe7 28. d6 Rxd6 29. Nxd6 Qxd6 30. fxe5 Bxe5 31. Bf3 Ne6 32. b3 Nf4 33. Qd2
Qf6 34. Bd5 Qd6 35. Qd1 Qh6 36. Raf2 Nxd5 37. Qxd5 Bc3 38. Rxf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Santos, Marcus Vinicius"]
[Black "Cabral, Denrick"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. h4 h6 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8.
Bc4 ({RR} 8. Nf3 Bg4 9. Rb1 O-O 10. Be2 c5 11. Be3 Nc6 12. d5 Bxc3+ 13. Bd2
Bxf3 14. gxf3 Bxd2+ 15. Qxd2 Nd4 16. Qxh6 Qd6 17. h5 g5 18. Qxg5+ Kh7 19. e5
Qa6 20. Bxa6 Nxf3+ 21. Ke2 Nxg5 22. Rxb7 Rab8 {Lang,A (2022)-Bartonicek,Z 
(1885) Arco ITA 2023 1-0}) 8... c5 9. Ne2 Nc6 10. Be3 cxd4 $146 ({RR} 10... O-O
11. Qd2 cxd4 12. Nxd4 Qa5 13. Rd1 Ne5 14. Be2 Ng4 15. Bxg4 Bxg4 16. f3 Be6 17.
Bxh6 Qxa2 18. Bxg7 Kxg7 19. Qf4 f6 20. Rd2 Qc4 21. Kf2 Bf7 22. e5 Qc5 23. Re1
Bd5 24. Re3 Rh8 25. Qg4 {Shabalov,A (2510)-Wang,A (2019) Rancho Mirage USA
2022 1-0 (35)}) 11. cxd4 Qa5+ 12. Kf1 Bd7 13. Qb3 O-O 14. Rd1 Qd8 15. Bd3 b5
16. Qb2 Na5 17. Qd2 h5 18. Bh6 Nc4 19. Bxc4 bxc4 20. Bxg7 Kxg7 21. f3 Ba4 22.
Rc1 Bb5 23. Nc3 Rb8 24. Kf2 e5 25. d5 Bd7 26. Rc2 f5 27. Qe3 Qb6 28. Rb1 Qd4
29. Rd1 Qb6 30. Rb1 Qd4 31. Rd2 Qxe3+ 32. Kxe3 Rb6 33. Rxb6 axb6 34. Rb2 Rb8
35. Rb4 b5 36. a4 Ra8 37. axb5 Ra3 38. Kd2 Rb3 39. Rxb3 cxb3 40. b6 Bc8 41. d6
Kf7 42. d7 Bxd7 43. b7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Sega, Carlos Alberto"]
[Black "Damasceno, Enzo"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nf3 O-O 6. O-O e4 7. Ng5 Bxc3 8.
bxc3 Re8 9. d3 exd3 10. exd3 h6 11. Ne4 b6 12. Rb1 Nxe4 13. Bxe4 Bb7 14. Bf4 ({
RR} 14. Rb5 Na5 15. Bxb7 Nxb7 16. Qg4 Qf6 17. Rf5 Qe6 18. Qf3 Nc5 19. d4 Na4
20. Re5 Qc6 21. Qd3 Rxe5 22. dxe5 Re8 23. f4 d6 24. Re1 dxe5 25. fxe5 Nc5 26.
Qd4 Re7 27. Rf1 Rd7 28. Qg4 Qe4 {Sega,C (2326)-Leitao,R (2558) Serra Negra
2002 0-1}) 14... Na5 15. Bd5 Bxd5 16. cxd5 c6 $146 17. Qg4 Qf6 18. Be3 Qg6 19.
Qxg6 fxg6 20. Rfc1 Nb7 21. c4 c5 22. Re1 g5 23. g4 Kf7 24. f4 gxf4 25. Bxf4
Rxe1+ 26. Rxe1 d6 27. h4 Re8 28. Rxe8 Kxe8 29. h5 a6 30. a4 Kf7 31. Kf2 g5 32.
Bg3 Ke7 33. Kf3 Na5 34. Ke4 Nb3 35. Kf5 Nc1 36. Kg6 Nxd3 37. Kxh6 Kf6 38. Bxd6
Nf2 39. Be5+ Kxe5 40. Kxg5 b5 41. axb5 axb5 42. h6 Ne4+ 43. Kg6 Nf6 44. cxb5 c4
45. b6 c3 46. b7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Serafim, Paulo Rogerio"]
[Black "Cilento, Lucas"]
[Result "1/2-1/2"]
[ECO "B36"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. O-O O-O 10. Qd2 Bd7 ({RR} 10... a5 11. f3 a4 12. Qc2 Qa5 13. Bd2
Qa7+ 14. Kh1 Be6 15. Nb5 Qb6 16. b3 axb3 17. axb3 Rxa1 18. Rxa1 Nxe4 {0-1 (18)
Muhamadejevs,R (2350)-Khalifman,A (2621) Liepaja 2014}) ({RR} 10... a5 11. Qc2
Bd7 12. Rd1 Qc7 13. Bg5 Bc6 14. Rac1 a4 15. b4 axb3 16. axb3 Qa5 17. Nd5 Bxd5
18. cxd5 Qb4 19. Qc4 Qxc4 20. Rxc4 Rfc8 21. Rb4 Ra2 22. Bf1 Rc7 23. Rc1 Rxc1
24. Bxc1 Rc2 25. Be3 {Voege,T (2277)-Stillger,B (2284) Muenster GER 2023 1/2-1/
2}) 11. f3 $146 ({RR} 11. Rb1 Bc6 12. Bf3 a5 13. b3 Nd7 14. Nd5 e6 15. Nc3 Nc5
16. Re1 Qb8 17. Bb2 b6 18. Bd1 Rd8 19. Bc2 b5 20. Qe2 b4 21. Nd1 Bxb2 22. Nxb2
e5 23. Nd1 Kg7 24. f3 Qa7 25. Kf1 Ne6 {Pikler,T (2210)-Isupov,V (2300)
Budapest 1994 0-1 (49)}) 11... Bc6 12. Rd1 Nd7 13. b3 f5 14. Bb2 fxe4 15. Nxe4
Bxe4 16. Bxg7 Kxg7 17. Qd4+ Nf6 18. fxe4 Qb6 19. Qxb6 axb6 20. Bf3 Rab8 21. Rd2
h5 22. e5 dxe5 23. Re1 e4 24. Bxe4 Nxe4 25. Rxe4 Rf7 26. Re6 Rbf8 27. h3 h4 28.
Rd1 Rf2 29. Rxe7+ Kh6 30. Rdd7 Rxa2 31. Rh7+ Kg5 32. Rd5+ Rf5 33. Rxf5+ gxf5
34. Rxb7 Ra6 35. b4 Ra1+ 36. Kh2 Rc1 37. Rxb6 Rxc4 38. Rb8 Rc2 39. b5 Rb2 40.
b6 Kf4 41. Kg1 Rb1+ 42. Kf2 Rb2+ 43. Kf1 Rb1+ 44. Kf2 Rb2+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Silva, Afranio Marcio"]
[Black "Franco Filho, Sinvaldo"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Be7 7. O-O f6 8. Re1 ({
RR} 8. b3 Qc7 9. Bf4 f5 10. c4 cxd4 11. Nxd4 Nxe5 12. Qd2 Bf6 13. Qe3 h6 14.
Bxe5 Qxe5 15. Qxe5 Bxe5 16. Rd1 Nf6 17. Nc3 Bd7 18. Bf3 dxc4 19. bxc4 Rc8 20.
Be2 Ke7 21. Rab1 b6 22. Ncb5 Bxd4 {Diaz Medina,A (1401)-Nuez Vostokov,M (1372)
Las Palmas 2017 0-1 (50)}) 8... Bd7 $146 ({RR} 8... fxe5 9. Nxe5 Nh6 10. Bxh6
gxh6 11. Qd2 Bf8 12. c4 Ne7 13. Nc3 Bd7 14. cxd5 exd5 15. Nxd5 Nxd5 {1/2-1/2 
(15) Strydom,D-Grenville,M Cape Town 2002}) 9. h3 O-O-O 10. Qb3 Qc7 11. a4 Na5
12. Qd1 c4 13. Bf4 Qb6 14. Qc2 Nb3 15. Ra2 g5 16. exf6 Nxf6 17. Bxg5 h6 18.
Bxf6 Bxf6 19. Ne5 Bxe5 20. dxe5 Rdf8 21. Rf1 Rhg8 22. Nd2 Rg5 23. Nf3 Rg7 24.
Ra3 Be8 25. Nd2 Bg6 26. Qd1 Nxd2 27. Qxd2 Be4 28. g3 Rxg3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Silva, Anjossendre"]
[Black "de Deus Filho, Joaquim"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "83"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. d3 d6 5. Nf3 ({RR} 5. Nge2 Nge7 6. Be3 Nd4 7.
Nd5 Nxe2 8. Bxe2 Nxd5 9. cxd5 Bxe3 10. fxe3 Qg5 11. Kd2 c6 12. h4 Qd8 13. Qa4
O-O 14. Rac1 Bd7 15. Qb4 c5 16. Qb3 b5 17. a3 Rb8 18. Qc3 b4 19. axb4 Rxb4 {
Langner,L (2360)-Smejkal,J (2510) Czechia 1996 0-1}) ({RR} 5. g3 Nf6 6. h3 Be6
7. Bg2 Qd7 8. Nd5 Nd4 9. Nxf6+ gxf6 10. Be3 b5 11. b3 bxc4 12. dxc4 Qc6 13. Ne2
Nxe2 14. Qxe2 Bxe3 15. Qxe3 Qb6 16. Qh6 Qb4+ 17. Ke2 Ke7 18. Rac1 Rag8 19. Qe3
Qa5 {Savelev,M (1715)-Babich,D Minsk BLR 2023 1-0}) 5... a5 6. Be2 $146 ({RR} 
6. Bg5 Nge7 7. Qd2 h6 8. Be3 Nd4 9. Be2 Ng6 10. O-O-O c6 11. Rdf1 a4 12. Bd1 a3
13. b3 Qa5 14. Bxd4 exd4 15. Ne2 Bb4 16. Qc2 c5 17. Nd2 Bd7 18. f4 O-O-O 19. f5
Ne5 20. Nf4 Bc6 {Lahucky,P (2165)-Machalova,M (2134) Slovakia 2002 0-1 (39)})
6... Nge7 7. O-O O-O 8. Be3 Nd4 9. Nd5 Nxe2+ 10. Qxe2 Ng6 11. Nd2 c6 12. Nc3
Qh4 13. Bxc5 dxc5 14. Na4 Nf4 15. Qe3 Bh3 16. g3 Qg4 17. f3 Qg6 18. Rfd1 Rad8
19. Nf1 Ne6 20. Nxc5 Nd4 21. Rd2 b6 22. Nb3 h5 23. Nxd4 Rxd4 24. Rad1 Rfd8 25.
Qf2 R8d6 26. Ne3 Rf6 27. Nc2 Rdd6 28. d4 Bg4 29. Ne1 Rxd4 30. Rxd4 exd4 31.
Rxd4 c5 32. e5 Rf5 33. Rd6 Qg5 34. f4 Qe7 35. Rxb6 h4 36. Ng2 hxg3 37. Qxg3 Bd1
38. Ne3 Rh5 39. Nxd1 Qd8 40. Rd6 Qc8 41. Nf2 Qb8 42. Qd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Silva, Guilherme H"]
[Black "Lima, Carlos Eduardo A"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Qb6 7. b4 cxd4 8. cxd4
Rc8 9. Bb2 Nge7 10. Bd3 Ng6 ({RR} 10... Na5 11. O-O Nc4 12. Bc3 a6 13. Re1 Nf5
14. Nbd2 Ne7 15. Qe2 Bb5 16. a4 Nxd2 17. Bxb5+ axb5 18. Bxd2 bxa4 19. Rxa4 Nf5
20. Rc1 Rxc1+ 21. Bxc1 Be7 22. g4 Nh6 23. Ra8+ Bd8 24. Bg5 O-O 25. Bxd8 {
Santos Latasa,J (2680)-Bluebaum,M (2647) Bydgoszcz POL 2022 1-0}) ({RR} 10...
Na5 11. Nc3 Nc4 12. Bxc4 Rxc4 13. O-O Nf5 14. Ne2 a5 15. g4 Nh6 16. h3 axb4 17.
axb4 Bxb4 18. Ra8+ Rc8 19. Rxc8+ Bxc8 20. Qa4+ Bd7 21. Qa8+ Qd8 22. Qxb7 Be7
23. Bc1 O-O 24. Bxh6 gxh6 25. Nf4 {Ning,K (2349)-Shuvalov,E (2038) chess.com
INT 2023 1-0 (52)}) 11. g3 Na5 $146 ({RR} 11... Be7 12. h4 Na5 13. h5 Nf8 14.
O-O Nc4 15. Bc3 f5 16. Nfd2 Nxd2 17. Qxd2 g5 18. Rc1 h6 19. f3 g4 20. f4 Ba4
21. Kf2 Nd7 22. Ke3 Bb5 23. a4 Bxd3 24. a5 Qd8 25. Kxd3 a6 26. Na3 {Matanovic,
L (1856)-Bartakovic,T (2108) Sibenik 2011 0-1 (36)}) 12. Nbd2 Nc4 13. Qb3 Nxb2
14. Qxb2 Bb5 15. Qb3 Be7 16. h4 Nf8 17. O-O Nd7 18. Kg2 O-O 19. Ng5 g6 20. Rh1
Rc7 21. Rac1 Rfc8 22. Rxc7 Rxc7 23. Ndf3 h6 24. Nh3 Bxd3 25. Qxd3 Qc6 26. Nf4
Qc2 27. Qb5 a6 28. Qb6 Bd8 29. b5 Rc8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Silva, Lucas Henrique"]
[Black "Guimaraes, Diogo Duarte"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 Bg4 5. b3 e6 6. O-O Bd6 7. Bb2 Nbd7 8. d3
Qe7 ({RR} 8... Bxf3 9. Bxf3 h5 10. cxd5 exd5 11. e4 dxe4 12. Bxe4 O-O 13. Nd2
Re8 14. Nc4 Ne5 15. Bf3 h4 16. Re1 Qc7 17. Kg2 Rad8 18. Re3 Nxc4 19. Rxe8+ Nxe8
20. bxc4 Be5 21. Rb1 Bxb2 22. Rxb2 Nf6 23. d4 {Adly,A (2630)-Papaioannou,I 
(2622) Khanty-Mansiysk 2010 1-0 (50)}) 9. Nbd2 ({RR} 9. a3 O-O 10. h3 Bh5 11.
Nbd2 Rfd8 12. b4 a5 13. c5 Bc7 14. Qb3 e5 15. e4 dxe4 16. dxe4 Bxf3 17. Nxf3
Nxe4 18. Rfe1 Nef6 19. Rac1 axb4 20. axb4 Nd5 21. Re2 Kh8 22. Rce1 f6 23. Nd4
Qf7 {Klekowski,M (2477)-Toropov,P (2336) chess.com INT 2023 1-0 (52)}) 9... h6
$146 ({RR} 9... Ba3 10. Qc1 Bxb2 11. Qxb2 O-O 12. Rac1 Rfe8 13. cxd5 exd5 14.
Rfe1 Qb4 15. a3 Qb6 16. Qc3 Nf8 17. e3 Ne6 18. h3 Bxf3 19. Nxf3 Rad8 20. Qc2
Re7 21. b4 a5 22. Rb1 Ra8 23. Rec1 h6 24. Nd2 {Jianu,V (2533)-Manea,A (2404)
Baia Sprie 2009 1/2-1/2 (51)}) 10. Qc2 O-O 11. Rfe1 e5 12. e3 a5 13. a3 Rfe8
14. Nh4 g5 15. Nhf3 e4 16. Nd4 Nc5 17. dxe4 dxe4 18. f3 exf3 19. Bxf3 Bxf3 20.
Nf5 Qe6 21. Nxf3 Bf8 22. Re2 Qe4 23. Bxf6 Qxf3 24. Rf1 Qe4 25. Qd1 Qg4 26. h3
Qh5 27. g4 Qg6 28. Bd4 Ne4 29. Bb2 Rad8 30. Qc2 Kh7 31. Kg2 Qe6 32. Ng3 Kg8 33.
Nh5 Be7 34. Ng7 Qg6 35. Nxe8 Rxe8 36. Rf5 Bd8 37. Qd3 Qe6 38. Re5 Qd6 39. Rxe8+
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Soares, Renan"]
[Black "Santos, Matheus Garcett"]
[Result "0-1"]
[ECO "E97"]
[PlyCount "118"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Nd2 Nd7 10. b4 f5 11. a4 a5 12. bxa5 fxe4 13. Ndxe4 Nf6 14. Ba3 Bf5 15.
Nxf6+ $146 ({RR} 15. f3 Rxa5 16. Bb4 Ra8 17. c5 Bxe4 18. fxe4 Nc8 19. Qd3 dxc5
20. Bxc5 Nd6 21. Rab1 Qd7 22. Rb2 Nfe8 23. Rxf8+ Bxf8 24. h3 Nf6 25. Bf2 Bg7
26. Bg3 Qe7 27. Bh4 Qe8 28. Rb4 Nd7 29. Nb5 Nc5 {Horvath,D (2203)-Schweitzer,W
(2026) Austria 2015 0-1 (47)}) 15... Bxf6 16. Bb4 Bg7 17. g4 Bd7 18. Rc1 Rf4
19. h3 c5 20. dxc6 Nxc6 21. Bxd6 Rd4 22. Qb3 Rxd6 23. c5+ Re6 24. Nb5 Kh8 25.
Rfd1 Nd4 26. Nxd4 exd4 27. Bc4 Re7 28. a6 bxa6 29. Rb1 Bc6 30. Qb6 Qxb6 31.
Rxb6 Bxa4 32. Ra1 Be8 33. Bxa6 Rd8 34. Bd3 Rc7 35. Rc1 Bc6 36. Re1 Bd5 37. Rd6
Rcc8 38. Ba6 Rxd6 39. cxd6 Rd8 40. d7 Bf6 41. Bc8 d3 42. Re8+ Kg7 43. Kf1 d2
44. Ke2 Bf7 45. Re3 Bg5 46. Rc3 Be6 47. Ra3 Bxd7 48. Ra7 Rxc8 49. Rxd7+ Kh6 50.
h4 Re8+ 51. Kf3 Bxh4 52. Rxd2 Rf8+ 53. Kg2 Rxf2+ 54. Rxf2 Bxf2 55. Kxf2 Kg5 56.
Kg3 h6 57. Kf3 Kh4 58. Kf4 g5+ 59. Kf3 Kh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Souza, Rafael Cabral"]
[Black "Cella, Glaucio"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "33"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. Bd3 h6 11. Bh4 Nxe4 12. Nxe4 Bxh4 13. Nxe6 fxe6 14. Qh5+
Kf8 15. Qxh4 Kg8 $146 ({RR} 15... d5 16. Ng5 Nf6 17. Rhe1 Qb6 18. Bg6 Rg8 19.
Nh7+ Nxh7 20. Bxh7 Rh8 21. Rxd5 Rxh7 22. Rd8+ Kf7 23. f5 e5 24. Qh5+ Ke7 25.
Qe8+ Kf6 26. Qg6+ {1-0 (26) Savinov,V (2482)-Potebnya,V (2225) Chernigov 2005})
16. Qe7 d5 17. Nd6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Supi, Luis Paulo"]
[Black "Quintiliano, Renato"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 Rc8 7. c3 e6 8.
d4 cxd4 9. cxd4 Be7 ({RR} 9... d5 10. e5 Ne4 11. Be3 Be7 12. Ne1 h6 13. f3 Ng5
14. Nd3 O-O 15. Nc3 Rc6 16. Rac1 f5 17. Nf4 Re8 18. Qd3 Nf8 19. Na4 Rxc1 20.
Rxc1 Qa5 21. b3 Rb8 22. Bd2 Qd8 23. Nc5 b6 24. Na6 {Giri,A (2776)-Duda,J (2738)
Zagreb CRO 2021 1/2-1/2 (40)}) 10. Nc3 Nb6 11. Rd1 ({RR} 11. a4 d5 12. e5 Nfd7
13. Qd3 O-O 14. b3 a5 15. Bd2 Nb8 16. Rfc1 Nc6 17. Qb5 Nd7 18. Qxb7 Rb8 19.
Qxc6 Rb6 20. Nxd5 Rxc6 21. Nxe7+ Qxe7 22. Rxc6 Nb8 23. Rc5 Qb7 24. Rb5 Qe4 25.
Re1 Qd3 {Jaiswal,R (2131)-Bhoopnath (1767) Shillong IND 2023 1/2-1/2 (40)})
11... O-O 12. Rd3 $146 ({RR} 12. Bf4 Qd7 13. Rac1 Na4 14. Nxa4 Qxa4 15. b3 Qa3
16. Rc2 d5 17. e5 Ne4 18. Rdc1 Rxc2 19. Qxc2 Bb4 20. Ng5 Nxg5 21. Bxg5 h6 22.
Bf4 Qa5 23. h3 Ba3 24. Qc7 Qa6 25. Rc2 b6 26. Qc3 Qb5 {Correa,J (1750)
-Federzoni,E (2215) Cuiaba MT 2021 1/2-1/2 (78)}) 12... Qc7 13. h4 Qc6 14. a4
Rfd8 15. d5 exd5 16. exd5 Qd7 17. Be3 Re8 18. Bxb6 axb6 19. Re3 Ng4 20. Re4 Bf6
21. Re1 Rxe4 22. Nxe4 h6 23. b3 Bc3 24. Rc1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Teske, Luiz Fernando"]
[Black "Vargas, Roberto Carlos"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "101"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Nb3 Nf6 7. g4 d6 8. Be2
Be6 9. g5 Nd7 10. Be3 Nb6 11. h4 d5 $146 ({RR} 11... Nc4 12. Bxc4 Bxc4 13. Qd2
Ne5 14. Rh3 Be6 15. Rg3 Nc4 16. Qc1 Nxe3 17. Qxe3 a6 18. O-O-O Rc8 19. f4 Bxb3
20. cxb3 Qa5 21. Kb1 Bxc3 22. bxc3 O-O 23. Rf1 Qb5 24. Rf2 a5 25. Kb2 Qc5 26.
Qxc5 {Oezdemir,E (1243)-Tong,K (1663) Verden 2012 1-0 (39)}) 12. Nd4 dxe4 13.
Nxe6 Bxc3+ 14. bxc3 fxe6 15. Qxd8+ Rxd8 16. Bxb6 axb6 17. Rb1 Ra8 18. Bc4 Kf7
19. Rxb6 Rhd8 20. Ke2 Rd6 21. Rb2 Ne5 22. Bb3 Rad8 23. Rg1 b5 24. Rbb1 Nf3 25.
Rg4 Nd2 26. Rd1 Nxb3 27. Rxd6 exd6 28. cxb3 d5 29. Rg1 e5 30. Ke3 Ke6 31. c4
bxc4 32. bxc4 dxc4 33. Rc1 Rd4 34. a4 Kd5 35. a5 Rd3+ 36. Ke2 Kd4 37. Ra1 Rb3
38. a6 Rb8 39. a7 Ra8 40. Kd2 c3+ 41. Kc2 Kd5 42. Kxc3 Ke6 43. Kd2 Kf5 44. Ke3
Kg4 45. Kxe4 Kxh4 46. f4 exf4 47. Kxf4 Rf8+ 48. Ke5 Ra8 49. Kf6 Rf8+ 50. Kg7
Ra8 51. Ra5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Urquiza, Marcello"]
[Black "Correa, Joao Pedro"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 Nf6 6. Be2 g6 7. O-O Bg7 8. c4
O-O 9. Nc3 Bg4 10. Rb1 Bxf3 ({RR} 10... Rc8 11. b3 Nd7 12. Bb2 a6 13. Rfd1 Qa5
14. h3 Bxf3 15. Bxf3 Qc5 16. Qxc5 Nxc5 17. Nd5 Bxb2 18. Rxb2 a5 19. g3 Kg7 20.
Bg2 Rfd8 21. f4 Ra8 22. Rbd2 Ra6 23. Nc7 Ra7 24. e5 a4 25. exd6 {Harika,D 
(2515)-Hou Yifan (2658) chess.com INT 2020 1/2-1/2 (48)}) ({RR} 10... Nd7 11.
b3 Qb6 12. Nd5 Qxe3 13. Bxe3 Rac8 14. h3 Bxf3 15. Bxf3 e6 16. Nf4 Nd4 17. Rfd1
Nxf3+ 18. gxf3 Rc6 19. Rd2 Rfc8 20. Rbd1 Bf8 21. Ne2 a6 22. Nd4 R6c7 23. f4 Nf6
24. f3 d5 25. e5 {Zhao,C (2410)-Neelash,S (2435) Thessaloniki GRE 2023 0-1 (58)
}) 11. Bxf3 Nd7 12. Rd1 Qb6 $146 ({RR} 12... a6 13. Be2 Rc8 14. b3 Qa5 15. Bb2
Qc5 16. Qh3 Nde5 17. Nd5 e6 18. b4 Qa7 19. Ne3 b5 20. cxb5 axb5 21. a3 Qb8 22.
f4 Nd7 23. e5 d5 24. Nxd5 Ndxe5 25. Ne3 Nc4 26. Bxg7 Kxg7 27. Bxc4 {Stoyanov,T
(2384)-Antova,G (2279) Sofia BUL 2020 1-0 (33)}) 13. Nd5 Qxe3 14. Bxe3 a5 15.
a4 Nc5 16. b3 Rac8 17. Bg4 Rcd8 18. f3 e5 19. Nc7 Nd4 20. Bxd4 exd4 21. Nb5 d3
22. g3 h5 23. Bh3 h4 24. Bf1 Be5 25. Kg2 hxg3 26. hxg3 g5 27. Bxd3 Kg7 28. Bc2
Na6 29. Rd2 Rh8 30. Rg1 Nb4 31. f4 Bf6 32. Bb1 gxf4 33. gxf4 Be7 34. Rgd1 Rh6
35. e5 Rg8 36. exd6 Kf8+ 37. Kf3 Rh3+ 38. Ke4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Veiga, Emerson"]
[Black "Rocha, Vitor Firmo"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Nxc6 bxc6 10. Bh4 Be7 11. f4 d5 12. e5 Nd7 13. Bxe7 Qxe7 14. g4 Rb8
$146 ({RR} 14... g5 15. h4 gxf4 16. Qxf4 Rb8 17. a3 f6 18. exf6 Qxf6 19. Qc7
Qe5 20. Qxc6 Qe3+ 21. Kb1 d4 22. Ne4 Qxa3 23. Qxe6+ Kd8 24. b3 Re8 25. Qd5
Rxb3+ 26. cxb3 Rxe4 27. Qxe4 Qxb3+ 28. Kc1 Qa3+ 29. Kd2 {Skorobogatykh,A (1987)
-Gerasimov,A (2175) Zelenograd 2013 1-0 (35)}) 15. a3 h5 16. gxh5 Rxh5 17. Rg1
g6 18. Bd3 Nc5 19. Qf2 Nxd3+ 20. Rxd3 a5 21. Na4 Ba6 22. Rdg3 Bb5 23. Nc5 a4
24. R1g2 Rh6 25. f5 exf5 26. e6 Qd6 27. Qd4 Bc4 28. Qf6 Qf4+ 29. Kd1 Rh7 30.
exf7+ Rxf7 31. Qxc6+ Ke7 32. Qd7+ Kf8 33. Ne6+ Kg8 34. Rxg6+ Kh8 35. Rg8+ Rxg8
36. Rxg8+ Kxg8 37. Qe8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Viana, Paulo Vitor"]
[Black "Bocca, Edson Ricardo"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "106"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 c6 7. Bd3 d5 8.
O-O ({RR} 8. Nc3 Be6 9. Bg5 Qb6 10. Qxb6 axb6 11. Bxe7 Bxe7 12. exd5 cxd5 13.
Bb5+ Kf8 14. O-O-O Bc5 15. f3 d4 16. Na4 Ra5 17. Nxc5 bxc5 18. a4 g6 19. b4
cxb4 20. Rxd4 b3 21. c4 Kg7 22. Kb2 Raa8 {Ziatdinov,R (2077)-Ezat,M (2371)
chess.com INT 2023 1-0 (68)}) 8... Be6 9. Nc3 dxe4 10. Qxe4 Nd5 $146 ({RR} 
10... g6 11. Qe5 Rg8 12. Ne4 Nd5 13. Bg5 Qb8 14. Qxb8+ Rxb8 15. c4 f5 16. Nc5
Bxc5 17. cxd5 Bxd5 18. Rac1 Bd6 19. Bc4 Bxc4 20. Rxc4 Kf7 21. Rd4 Be7 22. Rd7
Rge8 23. Re1 Rbd8 24. Rdxe7+ Rxe7 25. Bxe7 {Canevas Corbeto,F-Merayo Lopez,D
Barcelona 2005 1-0 (43)}) 11. Nxd5 Qxd5 12. Qf4 Bd6 13. Qe4 Qxe4 14. Bxe4 O-O
15. Be3 Rfe8 16. g3 Bc4 17. Bd3 Bxd3 18. cxd3 b6 19. b3 Rac8 20. d4 c5 21. dxc5
Bxc5 22. Bxc5 Rxc5 23. Rac1 Rec8 24. Rxc5 Rxc5 25. Rd1 g6 26. Kg2 Rc2 27. a4
Kg7 28. Rd3 Kf6 29. Rd7 Rb2 30. Rxa7 Rxb3 31. a5 bxa5 32. Rxa5 h5 33. h4 Rb4
34. Rg5 Kg7 35. Rd5 Kf6 36. Rg5 Re4 37. Kh3 Re5 38. Rxe5 Kxe5 39. g4 Kf4 40.
gxh5 gxh5 41. Kg2 Kg4 42. f3+ Kxh4 43. Kf2 Kg5 44. Kg3 h4+ 45. Kh3 Kh5 46. f4
f5 47. Kh2 Kg4 48. Kg2 Kxf4 49. Kh3 Ke3 50. Kxh4 f4 51. Kh3 f3 52. Kg3 Ke2 53.
Kh3 f2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Wagner, Julia"]
[Black "Brito, Vicente"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "49"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 Qxd5 6. Bc4 Qd6 7. Nb3 ({RR} 7.
O-O Nc6 8. dxc5 Qxc5 9. Qe2 Be7 10. Nb3 Qh5 11. Nbd4 Nxd4 12. Nxd4 Qxe2 13.
Bxe2 Bd7 14. Bf3 O-O-O 15. Bf4 Bc5 16. Nb3 Bb6 17. c4 Rhe8 18. Be5 Bc7 19. Rfe1
Kb8 20. Na5 Bc8 21. Bxc7+ Kxc7 {Fiedorek,M (2321)-Melkumyan,H (2649) chess.com
INT 2022 0-1 (33)}) ({RR} 7. dxc5 Qxc5 8. O-O Bd6 9. Bd3 Bd7 10. Nc4 Be7 11.
Bf4 Nd5 12. Bg3 O-O 13. Nce5 f6 14. Nxd7 Nxd7 15. Re1 e5 16. c4 N5b6 17. Qc2 h6
18. Bh7+ Kh8 19. Nh4 Rfd8 20. b4 Qxc4 21. Qb1 Nf8 {Kummerow,H (2106)-Fuellborn,
D (1717) Muenster GER 2023 1-0}) 7... cxd4 8. Qxd4 Nc6 $146 ({RR} 8... Qxd4 9.
Nbxd4 a6 10. O-O Be7 11. Re1 O-O 12. Bg5 b5 13. Bd3 Bb7 14. a4 b4 15. Ne5 Nd5
16. Bxe7 Nxe7 17. Be4 Bxe4 18. Rxe4 f6 19. Nxe6 fxe5 20. Nxf8 Kxf8 21. Rxe5 Nd7
22. Re4 a5 23. Rae1 {Comstock,R (1795)-Hill,M (1359) Lansing 2004 0-1 (46)}) 9.
Qxd6 Bxd6 10. Be3 Ng4 11. Bc5 Bxc5 12. Nxc5 a6 13. Ne4 Ke7 14. a4 Rd8 15. Be2
e5 16. h3 Nf6 17. Nxf6 Kxf6 18. Rd1 Bf5 19. Rxd8 Rxd8 20. c3 Bc2 21. Nd2 a5 22.
Bd1 Bd3 23. Be2 Bc2 24. Bd1 Bd3 25. Be2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "Zallio, Luciano"]
[Black "Umetsubo, Cesar"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 4. Bb2 e6 5. d4 Nbd7 6. Bd3 Bg6 7. O-O Bd6 8. c4
({RR} 8. Ne5 c6 9. f4 Ne4 10. Nd2 Nxd2 11. Qxd2 Bxd3 12. cxd3 f6 13. Nf3 Qe7
14. e4 O-O 15. Kh1 Bb4 16. Qf2 Qf7 17. Qh4 Qg6 18. a3 Be7 19. Ne5 fxe5 20. Qxe7
Rf7 21. Qd6 exf4 22. Rxf4 Rxf4 {Custodio,L (1964)-Calcada,H (1469)
Florianopolis BRA 2023 1/2-1/2}) 8... c6 9. Nc3 O-O 10. Bxg6 $146 ({RR} 10. Qe2
Qe7 11. e4 dxc4 12. bxc4 e5 13. d5 Nh5 14. g3 Nc5 15. Bc2 Nf6 16. Nh4 Rfe8 17.
Rad1 Rad8 18. Nxg6 hxg6 19. Kg2 Qc7 20. h4 Qb6 21. Bc1 Qa6 22. Bg5 Be7 23. Bb3
cxd5 24. Bxf6 Bxf6 {Sadhwani,R (2611)-Galchenko,M (2440) chess.com INT 2022
1-0 (32)}) 10... hxg6 11. Re1 dxc4 12. bxc4 e5 13. Qc2 Re8 14. Nd2 exd4 15.
exd4 Qa5 16. Nce4 Bb4 17. a3 Rxe4 18. axb4 Rxe1+ 19. Rxe1 Qxb4 20. Bc3 Qd6 21.
Qd3 a5 22. Rb1 b6 23. Qf3 a4 24. h4 Qe6 25. Bb4 Rb8 26. Kf1 Re8 27. Qd1 Qf5 28.
Nf3 b5 29. d5 c5 30. Bc3 b4 31. Ba1 a3 32. Qb3 Nb6 33. Rc1 Re4 34. Ng5 Rxh4 35.
Qg3 Rh1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "di Berardino, Diego"]
[Black "Oliveira, Silvio Eduardo"]
[Result "0-1"]
[ECO "E06"]
[PlyCount "30"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. Qc2 dxc4 7. Nbd2 c5 8.
dxc5 Qa5 ({RR} 8... Bxc5 9. Qxc4 Qe7 10. O-O Nc6 11. a3 a5 12. Nb3 Bb6 13. Bf4
Nd5 14. Bg5 f6 15. e4 fxg5 16. exd5 exd5 17. Qxd5+ Be6 18. Qb5 Ba7 19. Nxg5
Bxb3 20. Qxb3+ Kh8 21. Ne6 Nd4 22. Nxd4 Bxd4 23. Rad1 {Martinez Ramirez,L 
(2425)-Saya,E (2104) chess.com INT 2023 1-0 (61)}) 9. O-O Qxc5 10. Nxc4 Nc6
$146 ({RR} 10... Nd5 11. Qb3 b5 12. Ne3 Bb7 13. Ne5 Rd8 14. Rd1 Bf6 15. Nxd5
Bxd5 16. Be3 Qd6 17. Bxd5 exd5 18. Ng4 Be7 19. Qxb5 Qe6 20. h3 h5 21. Nh2 Nc6
22. Rac1 Ne5 23. b3 Rab8 24. Qa5 a6 25. Kg2 {Hutters,T (2465)-Sorensen,B (2305)
Denmark 1991 1/2-1/2 (62)}) 11. Be3 Qh5 12. h3 e5 13. Ng5 Nd4 14. Bxd4 exd4 15.
f4 Ne8 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "do Carmo, Gabriel"]
[Black "Almeida, Tiago"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 e5 5. Bg2 Bg7 6. O-O Nge7 7. d3 d6 8. Rb1
O-O 9. a3 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Nc4 Rb8 15.
Be3 b5 16. Nd2 Nd4 17. Nce4 Qb6 18. b4 $146 ({RR} 18. a4 c4 19. dxc4 bxc4 20.
Ng5 Nef5 21. Nxe6 Qxe6 22. Bxd4 exd4 23. b3 c3 24. Nc4 Rfe8 25. Bf3 d3 26. Qxd3
Rbd8 27. Qc2 Nd4 28. Qa2 Nxe2+ {0-1 (28) Podzielny,K (2435)-Skrobek,R (2370)
Berlin West 1988}) 18... cxb4 19. axb4 a4 20. Nc5 Rfd8 21. Nxe6 Qxe6 22. Ne4
Nd5 23. Nc5 Qe7 24. Bd2 h6 25. h4 Kh7 26. Be4 f5 27. Bg2 f4 28. Be4 Nf6 29. Kg2
Nxe4 30. Nxe4 Nxe2 31. f3 Nxg3 32. Nxg3 fxg3 33. Be3 Qxh4 34. Rh1 Qf6 35. Rh3
Qf5 36. Rxg3 Rxd3 37. Qe1 Rxe3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "9"]
[White "do Nascimento, Maycon"]
[Black "Sovinski, Marcos Roberto"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 g6 4. d3 Bg7 5. Nc3 ({RR} 5. Bd2 Nc6 6. Qc1 e5 7.
Bh6 Bxh6 8. Qxh6 Ng4 9. Qd2 e4 10. dxe4 dxe4 11. Qxd8+ Nxd8 12. Nd4 f5 13. Nc3
Ne6 14. Nb3 Bd7 15. Bh3 Nf6 16. f3 exf3 17. exf3 O-O-O 18. Kf2 b6 19. Bf1 Bc6 {
Nakamura,H (2736)-Aronian,L (2781) chess24.com INT 2020 0-1 (37)}) 5... O-O 6.
Be3 $146 ({RR} 6. a3 c5 7. O-O Re8 8. Rb1 Nc6 9. Bg5 d4 10. Na4 Nd7 11. c4 a5
12. Qd2 Qc7 13. Bh6 Nce5 14. Bxg7 Nxf3+ 15. Bxf3 Kxg7 16. Bg2 Nf6 17. e4 Bd7
18. b3 Ng4 19. h3 Nf6 20. f4 e5 {Van der Hauw,H-Ordelman,H Alkmaar 1985 1-0 
(76)}) ({RR} 6. h4 d4 7. Nb1 Nc6 8. Bg5 h6 9. Bd2 Ng4 10. c3 e5 11. c4 f5 12.
Nh2 f4 13. Nxg4 Bxg4 14. f3 Be6 15. g4 Bf6 16. g5 hxg5 17. h5 gxh5 18. Rxh5 Kg7
19. Qb3 Rb8 20. Na3 Rh8 {Herrera Reyes,J (2341)-Janaszak,D (2322) chess.com
INT 2023 1-0 (38)}) 6... Bg4 7. Bc5 b6 8. Ba3 c6 9. e4 dxe4 10. dxe4 Re8 11. h3
Bxf3 12. Qxf3 e5 13. g4 Nbd7 14. O-O-O b5 15. h4 Rb8 16. h5 b4 17. g5 Nxh5 18.
Bh3 Re7 19. Na4 bxa3 20. bxa3 Qc7 21. Bf1 Qa5 22. Be2 Qxa4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Almeida, Tiago"]
[Black "Zallio, Luciano"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Ne7 6. Ne2 Nbc6 7. c3 h6 ({RR
} 7... O-O 8. Bf4 Bxf4 9. Nxf4 Qd6 10. O-O Nd8 11. Nd2 Ne6 12. Nxe6 Bxe6 13.
Qg3 Qxg3 14. hxg3 Nc8 15. Rfe1 Nd6 16. f3 Rfe8 17. g4 f6 18. Kf2 Bf7 19. Rxe8+
Rxe8 20. Rh1 Bg6 {1/2-1/2 (20) Kosic,D (2495)-Sedlak,N (2571) Sibenik 2009}) ({
RR} 7... h5 8. h3 Be6 9. Bf4 Qd7 10. Nd2 O-O-O 11. O-O Nf5 12. Bxf5 Bxf5 13.
Bxd6 cxd6 14. Qxd5 Ne7 15. Qf3 Ng6 16. Nf4 Nh4 17. Qg3 g5 18. Qxg5 Nxg2 19. Kh2
Rdg8 20. Qxg2 Rxg2+ 21. Nxg2 Bxh3 22. Rg1 {Proudian,A (2431)-Orzech,D (2325)
chess.com INT 2022 1-0 (34)}) 8. Bf4 g5 $146 9. Bg3 Bxg3 10. hxg3 Qd6 11. Nd2
Bd7 12. O-O-O O-O-O 13. Qxf7 Rdf8 14. Qg7 Nf5 15. Bxf5 Bxf5 16. c4 Rh7 17. c5
Qd8 18. Qxh7 Bxh7 19. Rxh6 Bd3 20. Nc3 Rxf2 21. Rdh1 Nxd4 22. Rh8 Rf8 23. Rxf8
Qxf8 24. b4 Qf6 25. Kb2 Ne2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Andrade, Guilherme Souza"]
[Black "Deves, Rafael"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8.
Bxf6 Qxf6 9. Qxf6 gxf6 10. Nge2 Bd6 ({RR} 10... Nd7 11. Nf4 Bd6 12. h4 {
1/2-1/2 (12) Mamedyarov,S (2770)-Vachier Lagrave,M (2784) chess.com INT 2020})
11. Rc1 ({RR} 11. h4 h5 12. g3 Na6 13. Nf4 Nc7 14. Rc1 Ne6 15. Be2 Nxf4 16.
gxf4 Kd7 17. Kd2 Rae8 18. a3 Re7 19. b4 a6 20. Na4 Rhe8 21. Bf3 Rg8 22. Rhg1
Ree8 23. Nc5+ Kc7 24. Bxd5 cxd5 25. f5 Bxf5 {Prem,P (2061)-Debray,C (2322)
chess.com INT 2023 1-0 (51)}) 11... O-O $146 ({RR} 11... Nd7 12. g3 Nb6 13. Nf4
O-O 14. h4 Rfe8 15. Bh3 Bxf4 16. gxf4 Nc4 17. b3 Nd6 18. Na4 Kh8 19. Nc5 Bh5
20. Nd7 Bf3 21. Rg1 Ne4 22. Bf5 Rg8 23. Rxg8+ Rxg8 24. Bxe4 dxe4 25. Nxf6 Rg6
26. Nd7 {Perez,J (2200)-Germer,P (2177) Baden 2013 1/2-1/2 (45)}) 12. g3 Nd7
13. Nf4 Rfe8 14. Be2 Nf8 15. O-O Ne6 16. Rfe1 Nxf4 17. gxf4 Bf5 18. Bf3 Kh8 19.
Kh1 Rg8 20. Rg1 Rxg1+ 21. Rxg1 Rg8 22. Rg3 Bb4 23. Kg2 Bxc3 24. bxc3 Bb1 25. a3
f5 26. Kf1 Rxg3 27. hxg3 Kg7 28. Ke1 Kg6 29. Kd2 Be4 30. Be2 Kf6 31. Kc1 b6 32.
f3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Andrade, Roberto Costa"]
[Black "Fontoura, Alexandre"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "27"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Be2 Nd7 6. Bg5 ({RR} 6. a4 b6 7. O-O
Bb7 8. Re1 a6 9. Bc4 e6 10. Bg5 Ne7 11. Qd2 h6 12. Be3 d5 13. exd5 cxd5 14. Bd3
Kf8 15. Ne2 Kg8 16. Ng3 Nf6 17. Bf4 Nf5 18. Nxf5 gxf5 19. Be5 Rh7 20. Qe2 Ne4 {
Bologan,V (2600)-Chernin,A (2620) Geneve 1996 1-0 (71)}) ({RR} 6. Bf4 e5 7.
dxe5 dxe5 8. Be3 Qc7 9. Qd2 h6 10. Rd1 Ngf6 11. h3 b6 12. a4 Nh5 13. Bc4 Nf8
14. g3 Be6 15. Bxe6 Nxe6 16. Qd6 Rd8 17. Qxc7 Rxd1+ 18. Kxd1 Nxc7 19. Ke2 Ke7
20. Rd1 f5 {Radonjanin,N (1201)-Hadzi Manev,L (1927) Skopje MKD 2023 1-0 (42)})
6... Qa5 $146 ({RR} 6... Qb6 7. Rb1 e5 8. dxe5 dxe5 9. O-O Ngf6 10. Qd6 Qc5 11.
Rfd1 h6 12. Be3 Qxd6 13. Rxd6 Ng4 14. Bc1 Bf8 15. Rd3 b6 16. h3 Ngf6 17. Be3
Bb7 18. Rbd1 Bb4 19. Nb1 Ba6 20. Rxd7 Bxe2 21. Nxe5 {Rabello,D-Ferreira,O 
(2170) Rio de Janeiro 1995 0-1 (49)}) 7. O-O e5 8. Qd2 Ndf6 9. dxe5 dxe5 10.
Qd6 Be6 11. Rfd1 Bf8 12. Qxe5 Qxe5 13. Nxe5 Nxe4 14. Nxe4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Avelar, Flavio Henrique"]
[Black "Silva, Guilherme H"]
[Result "0-1"]
[ECO "A60"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. Qxd5 Nc6 7. Nf3 Be7 ({
RR} 7... d6 8. e4 Be6 9. Qd1 Be7 10. Bd3 O-O 11. O-O a6 12. Bf4 Bf6 13. Qd2 Qe7
14. Ng5 h6 15. Nxe6 fxe6 16. Bg3 Bd4 17. Kh1 e5 18. Be2 Qe6 19. f4 exf4 20.
Rxf4 Ne5 21. Rc1 Rxf4 22. Bxf4 {Nikolic,S (2320)-Rogers,I (2505) Moscow 1989
0-1 (50)}) 8. Ne5 ({RR} 8. e4 d6 9. Be2 O-O 10. O-O Be6 11. Qh5 h6 12. Rd1 Bf6
13. Rb1 Qe7 14. Bf4 Rad8 15. e5 dxe5 16. Nxe5 Nd4 17. Bd3 Bxe5 18. Qxe5 Nc6 19.
Qe4 f5 20. Qe3 g5 21. Be5 f4 22. Qe1 Bg4 {Moyses Sobrinho,E (1800)-Signorini,L
Niteroi BRA 2023 0-1 (57)}) 8... O-O 9. Nxc6 $146 ({RR} 9. Bd2 Nd4 10. Rc1 d6
11. Nd3 Rb8 12. e3 Be6 13. Qh5 Nc6 14. Nf4 Bf6 15. Bd3 g6 16. Nxe6 fxe6 17. Qg4
Qe7 18. Bc3 a6 19. h4 b5 20. cxb5 axb5 21. h5 Bxc3+ 22. Rxc3 Ne5 23. Qe2 g5 {
Mony,M (1609)-Piscopo,P (2407) Cappelle-la-Grande 2014 0-1 (31)}) 9... bxc6 10.
Qf3 Bf6 11. e4 Re8 12. Be2 Qe7 13. O-O Qxe4 14. Qxe4 Rxe4 15. Bd3 Re8 16. Rb1
Bd4 17. Bf4 d5 18. b3 Bd7 19. Rfe1 h6 20. Kf1 Bc3 21. Rxe8+ Rxe8 22. Rd1 f5 23.
Bd2 Bxd2 24. Rxd2 d4 25. Re2 Kf7 26. Rxe8 Kxe8 27. f4 Kf7 28. Ke2 Ke6 29. Kf3
Be8 30. h3 Bh5+ 31. Kf2 a5 32. g3 Bd1 33. Ke1 Bf3 34. Kd2 g5 35. fxg5 hxg5 36.
Bc2 Ke5 37. Bd3 f4 38. gxf4+ Kxf4 39. Ke1 Bg2 40. Bf1 Bxf1 41. Kxf1 Kg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Baeta, Marcio Netto"]
[Black "Jenidarchiche, Douglas"]
[Result "0-1"]
[ECO "C31"]
[PlyCount "136"]
[EventDate "2021.??.??"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Qxd5 5. Nc3 Bb4 ({RR} 5... Qd8 6. dxe4 Qxd1+
7. Nxd1 Nc6 8. Nf3 Bg4 9. Be2 O-O-O 10. c3 Nf6 11. e5 Nd5 12. O-O Bc5+ 13. Kh1
Rd7 14. h3 Bxf3 15. Bxf3 Rdd8 16. b4 Bb6 17. a4 a5 18. b5 Nce7 19. c4 Nb4 20.
Nc3 {Panakhova,E (1837)-Krupin,V Anapa RUS 2023 1-0 (50)}) 6. Bd2 Qe6 7. dxe4
Nf6 8. f5 $146 ({RR} 8. e5 O-O 9. Bd3 g6 10. Qe2 Nh5 11. g3 c6 12. Nf3 Qe7 13.
Ne4 Bxd2+ 14. Nfxd2 Nd7 15. Qf2 Nb6 16. O-O-O Nd5 17. a3 b5 18. Qc5 Qxc5 19.
Nxc5 a5 20. c4 Nc7 21. Be4 bxc4 22. Bxc6 Rb8 {Ebel,N-Velten,E Saarlouis 2004
1-0 (40)}) 8... Qe7 9. Qe2 Nc6 10. Nf3 Bd7 11. e5 Bxc3 12. Bxc3 Nd5 13. e6 fxe6
14. fxe6 Bxe6 15. Bd2 O-O-O 16. O-O-O h6 17. Ne5 Nd4 18. Qe4 Nf6 19. Qe3 Rhe8
20. Bc3 c5 21. Bxd4 Bf5 22. Qf2 Rxd4 23. Qxf5+ Kc7 24. Rxd4 cxd4 25. Nd3 Qe3+
26. Kd1 Ne4 27. Qa5+ Kb8 28. Qe1 Qxe1+ 29. Kxe1 Ng3+ 30. Kf2 Nxh1+ 31. Kg1 Rf8
32. Be2 Rc8 33. Bd1 Rf8 34. Bf3 Rc8 35. Bd1 Rf8 36. g3 Kc7 37. Be2 Re8 38. Bf3
Nxg3 39. hxg3 b6 40. Kf2 Kd6 41. b3 Re3 42. Be2 Re6 43. Ke1 Rf6 44. Kd2 Rg6 45.
g4 Rg5 46. Nf2 Re5 47. Nd1 g6 48. Bd3 h5 49. Nf2 hxg4 50. Nxg4 Rg5 51. Be2 Rc5
52. Bf3 Rc3 53. Be2 Rg3 54. a4 Ke6 55. Nf2 g5 56. Ne4 Rg2 57. Kd3 Ke5 58. Bf3
Rg1 59. Nf2 Rg3 60. Ke2 Kf5 61. Ne4 Rxf3 62. Kxf3 g4+ 63. Kg3 Kxe4 64. Kxg4 a5
65. Kg5 Ke3 66. Kf5 Kd2 67. Ke4 Kxc2 68. Kxd4 Kxb3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Bandeira, Tarciano"]
[Black "Duailibi, Ricardo"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Qe7 6. Nxh8 d5 7. exd5 Bxf2+
8. Kf1 Nd4 9. c3 Bg4 10. Qa4+ Nd7 11. Kxf2 O-O-O 12. Rf1 Rf8+ 13. Kg1 Rxf1+
$146 ({RR} 13... Be2 14. Rf3 Rxf3 15. gxf3 Qg5+ 16. Kf2 Qh4+ 17. Kg2 Bxf3+ 18.
Kf1 Qh3+ 19. Ke1 Qxh2 20. cxd4 Qg1+ {0-1 (20) Zvan,Z (2086)-Petek,P Kranj 1999}
) 14. Bxf1 Nc5 15. Qb4 a5 16. Qc4 Qf6 17. Qxc5 Be2 18. h3 Qxf1+ 19. Kh2 Qf4+
20. Kh1 Nf3 21. g3 Qf5 22. g4 Qf4 23. Qf2 Bd3 24. Na3 Be4 25. d3 Ng5+ 26. dxe4
Qxf2 27. Bxg5 Qf3+ 28. Kg1 Qg3+ 29. Kf1 Qf3+ 30. Kg1 Qg3+ 31. Kf1 Qf3+ 32. Ke1
Qh1+ 33. Kd2 Qxa1 34. Nc4 Qxa2 35. Nxe5 Qxb2+ 36. Kd3 b5 37. Nc6 a4 38. Nf7 a3
39. Nb4 a2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Bittencourt, Jorge"]
[Black "Mariano, Marceley M"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Be7 6. Nc3 b6 $146 ({RR} 6...
dxc4 7. Qxc4 O-O 8. g3 b5 9. Qb3 Nbd7 10. Bg2 b4 11. Na4 Ba6 12. Bxf6 Bxf6 13.
Rc1 Qa5 14. Nc5 Nxc5 15. Rxc5 Qb6 16. Qc2 Rac8 17. Ne5 Rfd8 18. O-O Bxe5 19.
dxe5 Bxe2 20. Rc1 Ba6 21. h4 {Christiansen,L (2585)-Jussupow,A (2555) Luzern
1982 1/2-1/2}) ({RR} 6... dxc4 7. Qxc4 b5 8. Qd3 Ba6 9. Qc2 b4 10. Na4 O-O 11.
e4 Bb5 12. Nc5 h6 13. Bxf6 Bxf6 14. Bxb5 cxb5 15. O-O Nd7 16. Nd3 a5 17. Qc6
Qb6 18. Rac1 Rfd8 19. Qxb6 Nxb6 20. Rc6 Bxd4 21. b3 {Lautier,J (2680)-Sakaev,K
(2668) Khanty-Mansiysk 2005 1/2-1/2 (43)}) ({RR} 6... O-O 7. e3 a6 8. Bd3 dxc4
9. Qxc4 b5 10. Qb3 c5 11. Qc2 h6 12. Bxf6 Bxf6 13. dxc5 b4 14. Ne4 Be7 15. O-O
Bb7 16. Rfd1 Qc7 17. Rac1 Nc6 18. Nd6 Rad8 19. Nxb7 Qxb7 20. Be4 f5 21. Bxc6 {
Yaksin,O (2389)-Srdanovic,J (2166) chess.com INT 2023 1-0}) 7. cxd5 exd5 8. e3
O-O 9. Be2 Be6 10. Qc2 c5 11. O-O Nbd7 12. dxc5 bxc5 13. Rfd1 Qa5 14. Rac1 Rab8
15. Bf4 Rb4 16. Ng5 h6 17. Nxe6 fxe6 18. b3 Qb6 19. Qg6 Rxf4 20. exf4 Qd6 21.
g3 d4 22. Ne4 Nxe4 23. Qxe4 e5 24. Bc4+ Kh8 25. Bd3 Kg8 26. Re1 Qf6 27. Qd5+
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Boabaid, Jorge Alberto"]
[Black "Paludo, Nicolas"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "45"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. Ngf3 Ne4 5. a3 Bxd2+ 6. Nxd2 Nxd2 7. Bxd2 d5
({RR} 7... d6 8. Bc3 O-O 9. g3 Nd7 10. Bg2 a5 11. a4 e5 12. c5 Ra6 13. O-O Qe7
14. cxd6 Rxd6 15. d5 Ra6 16. Qd2 Nc5 17. Qc2 b6 18. b4 Nb7 19. Qb2 Re8 20. Rfc1
Ra7 21. bxa5 Nxa5 22. Bb4 {Lautier,J (2675)-Colin,V (2415) Besancon 2006 1-0})
({RR} 7... O-O 8. Qc2 d6 9. e3 f5 10. g3 Bd7 11. Qb3 Nc6 12. Bg2 Kh8 13. O-O
Rb8 14. Bc3 Qe8 15. Rfe1 e5 16. d5 Nd8 17. f4 Ba4 18. Qb4 b6 19. b3 Bd7 20. Bb2
Nf7 21. Qc3 c5 22. e4 {Roshka,Y (2507)-Zvarik,M (2160) Slovakia SVK 2023 1-0 
(34)}) 8. Bf4 Nc6 $146 ({RR} 8... O-O 9. e3 Nd7 10. Qc2 Nf6 11. Bd3 c6 12. Be5
dxc4 13. Bxc4 Ng4 14. Bg3 Qa5+ 15. b4 Qg5 16. h4 Qe7 17. Be2 Nf6 18. Qc5 Qxc5
19. bxc5 Ne4 20. Bc7 f6 21. f3 Rf7 22. Bh2 Nc3 23. Bc4 {Grooten,H (2375)
-Tirrito,L (2081) Bratto 2002 1/2-1/2 (67)}) 9. e3 O-O 10. Rc1 Re8 11. Bd3 e5
12. dxe5 Nxe5 13. Bxh7+ Kf8 14. cxd5 g6 15. Bh6+ Ke7 16. Bg7 Rh8 17. Bxe5 Rxh7
18. Rxc7+ Bd7 19. Qd4 Kf8 20. Rxb7 Qa5+ 21. b4 Qxa3 22. Rxd7 Qc1+ 23. Qd1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Borges, Ivoney"]
[Black "Rosa, Diego"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8.
Qxe5 Nf6 9. Bh6 Rg8 10. f3 Qd6 11. Qxd6 Bxd6 12. Bg5 Be5 ({RR} 12... Nd7 13.
Nc3 Ne5 14. Bb3 h6 15. Bxh6 g5 16. Nb5 Rg6 17. Nxd6+ cxd6 18. f4 Rxh6 19. fxe5
dxe5 20. O-O Be6 21. Rad1 Ke7 22. g3 Rf6 23. Rxf6 Kxf6 24. Kg2 Rc8 25. c3 Bxb3
26. axb3 Ke6 27. h4 {Krantz,C (2262)-Johansson,W (1981) Vaxjo SWE 2023 1-0 (40)
}) 13. c3 Nh5 14. g3 $146 ({RR} 14. Na3 h6 15. Be3 c6 16. Rd1 g5 17. Nc2 g4 18.
f4 Bxf4 19. Rf1 Bxe3 20. Bxf7+ Ke7 21. Bxg8 Bg5 22. Rf7+ Ke8 23. Rc7 Be7 24. e5
Nf4 25. g3 Ng6 26. e6 Kf8 27. Bh7 Ne5 28. Bf5 b6 {Preissmann,E (2355)
-Fejzullahu,A (2300) Switzerland 1996 1-0 (33)}) 14... Bf6 15. Bxf6 Nxf6 16.
Na3 a6 17. O-O-O Bd7 18. Nc2 Rf8 19. Rd2 O-O-O 20. Rhd1 b5 21. Bf1 Bc6 22.
Rxd8+ Rxd8 23. Rxd8+ Kxd8 24. Nb4 Bb7 25. Nd3 Bc6 26. b4 Nd7 27. Bh3 g5 28. Bf5
h5 29. Kd2 g4 30. Bxd7 Kxd7 31. Ne5+ Kd6 32. Nxc6 Kxc6 33. f4 f6 34. Ke3 Kd6
35. Kd4 c6 36. a3 Ke6 37. Kc5 f5 38. exf5+ Kxf5 39. Kxc6 h4 40. Kd5 hxg3 41.
hxg3 Kf6 42. c4 Kf5 43. c5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Braga, Marcelo Melem"]
[Black "Oliveira, Leonardo Tadeu"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. d4 {Bulletin} d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Qa5 6. Bxf6 ({RR} 6.
Nf3 Ne4 7. cxd5 cxd5 8. Bd3 f6 9. Bh4 Nxc3 10. bxc3 Qxc3+ 11. Kf1 g6 12. Bg3
Bg7 13. h4 O-O 14. h5 g5 15. h6 Bh8 16. Rc1 Qb2 17. Nxg5 fxg5 18. Bxh7+ Kf7 ({
RR} 18... Kxh7 19. Qd3+ Kg8 20. Qg6+) 19. Qh5+ Ke6 20. Qg6+ Bf6 {Legky,N (2530)
-Kosten,A (2535) Reunion 1997 EXT 1998 [Bulletin] 1-0} ({RR} 20... Nf6 21. Qf5+
Kf7 22. Bg6+ Kg8 23. Rxc8 Qa1+ ({RR} 23... Raxc8 24. Qe6+ Rf7 25. Qxf7#) 24.
Ke2 Qxa2+ 25. Kd1 Qa4+ 26. Rc2 Qa1+ 27. Rc1 Qa4+ 28. Ke1 Qa5+ 29. Kf1 Qa6+ 30.
Kg1)) ({RR} 6. Nf3 Ne4 7. cxd5 Nxc3 8. Qd2 cxd5 9. bxc3 e6 10. Bd3 Bd6 11. O-O
O-O 12. c4 Qxd2 13. Nxd2 Bb4 14. Nb3 dxc4 15. Bxc4 Nb6 16. Be2 h6 17. Bf4 Nd5
18. Bg3 Bd7 19. Rfc1 Ba3 20. Rc2 Rfc8 {Torres Garcia,K (1967)-Perez Fernandez,
M (2115) Getxo ESP 2019 0-1 (45)}) 6... Nxf6 7. Bd3 e6 $146 ({RR} 7... dxc4 8.
Bxc4 Ne4 9. Nge2 e6 10. a3 Be7 11. O-O Nf6 12. Rc1 O-O 13. Bd3 Bd7 14. Nb1 Rac8
15. b4 Qh5 16. Nd2 Bd6 17. Nf3 Ng4 18. h3 Nf6 19. e4 Be7 20. Nf4 Qh6 21. Qd2
Nh5 22. Ne2 {Filovic,S (1700)-Geisert,B Ludwigshafen 1996 1-0 (45)}) 8. a3 Bd6
9. b4 Qd8 10. Nf3 O-O 11. O-O b6 12. Qc2 dxc4 13. Bxc4 c5 14. bxc5 bxc5 15. d5
exd5 16. Be2 Qe7 17. Ng5 g6 18. Bf3 Qe5 19. g3 Qxg5 20. Nxd5 Nxd5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Brito, Luismar"]
[Black "Neves, Andrey de Souza"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "168"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8.
fxe5 dxe5 9. Bg5 Be6 10. Bd3 ({RR} 10. Na3 Qe7 11. c3 Bxc4 12. Bxf6 gxf6 13.
Nxc4 Ne6 14. Ne3 Qc5 15. Qe1 O-O-O 16. Kh1 Nf4 17. g3 Rd3 18. Nf5 Ne6 19. Qe2
Rhd8 20. Nd4 R3xd4 21. cxd4 exd4 22. Rad1 Qe7 23. e5 fxe5 24. Qxe5 Kb8 {
Movsesian,S (2723)-Leko,P (2741) Moscow 2008 0-1 (38)}) 10... Qd6 ({RR} 10...
Bd7 11. Nc3 c6 12. Qe1 Ne6 13. Bh4 Nf4 14. Rxf4 exf4 15. e5 g5 16. exf6+ Be6
17. Bxg5 Qd4+ 18. Qf2 O-O-O 19. Qxd4 Rxd4 20. Rf1 Rg8 21. Bxf4 h5 22. Ne4 Rg4
23. b3 Bd5 24. c4 Bxe4 25. Bxe4 {Krajnak,J (2084)-Feco,J (1847) Slovakia 2015
1-0}) 11. Bxf6 gxf6 12. Kh1 $146 ({RR} 12. Na3 O-O-O 13. Qe1 Qb6 14. Kh1 Qxb2
15. Nc4 Bxc4 16. Rb1 Qa3 17. Bxc4 Qc5 18. Bxf7 Rhf8 19. Bh5 Kb8 20. c3 Ne6 21.
Qe2 Qc6 22. Qb2 Nf4 23. Bf3 Nd3 24. Qa3 Qc5 25. Qa6 b6 26. h3 Qc6 {Okur,K 
(1930)-Onem,C (2036) Kemer 2011 1-0 (44)}) 12... Rg8 13. Rxf6 O-O-O 14. Qf1 Rg6
15. Nc3 Qe7 16. Rxg6 hxg6 17. Qf2 Qg5 18. a4 Rh8 19. Nb5 Qh5 20. Qg3 Nc6 21.
Rf1 f5 22. exf5 gxf5 23. h3 a6 24. Nc3 f4 25. Qg6 Qxg6 26. Bxg6 Bxh3 27. Kg1
Nd4 28. Be4 Rg8 29. Nd5 Rg7 30. Kf2 Bf5 31. Re1 Bxe4 32. Rxe4 Nc6 33. b4 Rg5
34. Rc4 Rg7 35. Re4 b5 36. axb5 axb5 37. Nc3 Rd7 38. Ne2 Rd1 39. g3 fxg3+ 40.
Kxg3 Nd4 41. Rxe5 Nxe2+ 42. Rxe2 Rd4 43. Kf3 Rxb4 44. Ke3 Kb7 45. Kd3 Rh4 46.
Re6 c6 47. Kc3 Kb6 48. Kb3 Rh5 49. Re8 Kc5 50. Rb8 Rh3+ 51. Kb2 Kb4 52. Rb6 c5
53. Rb8 Rh2 54. Rg8 c4 55. Rf8 Rh4 56. Rf3 Ka4 57. Ra3+ Kb4 58. Rg3 Rh5 59. Rf3
Rc5 60. Rf4 Ka4 61. Rg4 b4 62. Rg8 c3+ 63. Ka2 Rh5 64. Ra8+ Kb5 65. Kb3 Rh1 66.
Rb8+ Kc5 67. Rc8+ Kd4 68. Rc4+ Ke3 69. Rxb4 Kd2 70. Rd4+ Kc1 71. Rc4 Rh8 72.
Kxc3 Rh2 73. Kb3 Rh7 74. c3 Rh8 75. Rb4 Rc8 76. c4 Kd2 77. Rb7 Kd3 78. Rd7+ Ke4
79. Rd5 Rb8+ 80. Kc3 Rb7 81. Rd6 Ke5 82. c5 Rb1 83. Kc4 Rb2 84. Rd5+ Ke6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Brito, Vicente"]
[Black "Farias, Sergio Luiz"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e3 O-O 5. h4 d5 6. h5 Bg4 $146 ({RR} 6... c5
7. hxg6 hxg6 8. Nf3 Nc6 9. dxc5 Qa5 10. Qd2 Qxc5 11. Na4 Qb4 12. Qxb4 Nxb4 13.
Bd3 Bf5 14. Bxf5 gxf5 15. O-O Nxc2 16. Rac1 Rac8 17. a3 Ne4 18. Be5 Bxe5 19.
Nxe5 b5 20. Nc3 Nxc3 21. Rxc2 {Rosen,E (2353)-Siva,M (2349) chess.com INT 2021
0-1 (37)}) ({RR} 6... c5 7. hxg6 fxg6 8. dxc5 b6 9. cxb6 Qxb6 10. Rb1 Nc6 11.
Nf3 Qa5 12. Nd2 Ng4 13. Nxd5 Nxf2 14. Kxf2 e5 15. Bc4 Be6 16. Ne7+ Nxe7 17.
Bxe6+ {1-0 (17) Aronian,L (2789)-Nepomniachtchi,I (2751) chess.com INT 2017}) (
{RR} 6... c5 7. Nf3 Bg4 8. hxg6 hxg6 9. Qd2 Nc6 10. Ne5 Nxe5 11. dxe5 Ne4 12.
Qxd5 Nxc3 13. Qxd8 Rfxd8 14. bxc3 Bf5 15. Rc1 g5 16. Bg3 Bg6 17. f4 a6 18. Be2
Be4 19. Bf3 Bxf3 20. gxf3 f6 21. fxg5 {Osmonbekov,T (2137)-Gracia Alvarez,G 
(2238) chess.com INT 2023 1-0 (50)}) 7. f3 Bf5 8. g4 Bc8 9. Qe2 h6 10. hxg6
fxg6 11. Qh2 Qe8 12. Bxh6 Qf7 13. O-O-O Bd7 14. Bd3 Nc6 15. Bxg7 Qxg7 16. g5
Nh7 17. f4 Bf5 18. Nxd5 Rac8 19. e4 Bg4 20. Rd2 e6 21. Ne3 Bh5 22. Be2 Bxe2 23.
Nxe2 Rcd8 24. c3 e5 25. dxe5 Rxd2 26. Kxd2 Qd7+ 27. Kc2 Nd8 28. Nd5 Qa4+ 29.
Kd2 Qd7 30. Kc1 Qg7 31. Nd4 c5 32. Nf6+ Nxf6 33. gxf6 Rxf6 34. exf6 Qxf6 35.
Qh7+ Kf8 36. Qh8+ Qxh8 37. Rxh8+ Ke7 38. Rxd8 Kxd8 39. Ne6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cabral, Denrick"]
[Black "Ribeiro, Fabiano Pinto"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "126"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. Bb5 Bd7 6. f4 a6 7. Bxc6 Bxc6 8. Qe2
b5 ({RR} 8... d5 9. exd5 Nxd5 10. Nh3 Nxc3 11. Bxc3 Qd5 12. O-O O-O-O 13. Ng5
Qf5 14. d3 e6 15. Rae1 Bd6 16. Ne4 Bc7 17. Be5 Bxe5 18. fxe5 Qxe5 19. Rxf7 Rhf8
20. Rxf8 Rxf8 21. Nf2 Qxe2 22. Rxe2 Kd7 23. Ne4 {Navara,D (2658)-Bu,X (2640)
Turin 2006 1/2-1/2 (64)}) 9. e5 dxe5 10. fxe5 Nd5 11. Nxd5 $146 ({RR} 11. e6 f6
12. Nh3 Nxc3 13. dxc3 g6 14. Rd1 Qb6 15. O-O c4+ 16. Kh1 Bg7 17. Ba3 Qb7 18.
Nf4 O-O 19. bxc4 bxc4 20. Qxc4 Rfc8 21. Qb4 Bf8 22. Qxb7 Bxb7 23. Bxe7 Bxe7 24.
Rd7 Ra7 25. Rb1 Rd8 {Petenyi,T (2451)-Saraci,K (2229) Terme Catez SLO 2022 0-1}
) ({RR} 11. e6 f6 12. O-O-O Nxc3 13. dxc3 Qc7 14. c4 g6 15. h4 Bh6+ 16. Kb1 O-O
17. h5 g5 18. Nf3 Rfd8 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 21. Qxd1 bxc4 22. bxc4 Qc8
23. Qe2 Bg7 24. Nxg5 fxg5 25. Bxg7 Kxg7 {Ostensen,N (2216)-Borgaonkar,A (2076)
chess.com INT 2023 0-1 (38)}) 11... Qxd5 12. Nf3 Qe4 13. Qxe4 Bxe4 14. e6 f6
15. Kf2 g6 16. Rhe1 Bd5 17. Rad1 Bh6 18. d3 O-O 19. c4 Bb7 20. d4 cxd4 21. Rxd4
bxc4 22. Rd7 Bxf3 23. Kxf3 cxb3 24. axb3 Rfb8 25. Rd3 a5 26. Ba3 Bf8 27. Rc1
Ra6 28. Rc5 Rxe6 29. Rxa5 Reb6 30. b4 e5 31. Rd7 R6b7 32. Rxb7 Rxb7 33. Ra4 f5
34. h3 Kf7 35. Ke2 Ke6 36. Kd3 e4+ 37. Kc4 f4 38. Bb2 Rc7+ 39. Kb3 e3 40. b5
Bd6 41. Bc3 Kf5 42. b6 Rc6 43. Ra5+ Ke6 44. Rb5 e2 45. Bd2 Kd7 46. b7 Bb8 47.
Rb4 g5 48. h4 h6 49. Re4 Re6 50. Rxe6 Kxe6 51. hxg5 hxg5 52. Kc3 g4 53. Kd3 f3
54. gxf3 g3 55. Kxe2 Kd5 56. f4 Kc6 57. f5 Kxb7 58. Kf3 Kc6 59. Be1 g2 60. Kxg2
Kd5 61. Kf3 Ke5 62. Kg4 Kf6 63. Bc3+ Kf7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Campelo, Danilo"]
[Black "Barbosa, Marcio Jordao"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 Ng6 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 c6
8. Be2 Qb6 9. Qxb6 axb6 10. Be3 b5 ({RR} 10... Bc5 11. Bxc5 bxc5 12. g3 Kd8 13.
O-O Kc7 14. a4 d6 15. f4 f5 16. Bf3 b6 17. Rfe1 Re8 18. Kg2 Bd7 19. Rad1 fxe4
20. Bxe4 d5 21. Bxg6 hxg6 22. b3 Bf5 23. Rxe8 Rxe8 24. Rd2 d4 25. Nd1 {Brito
Carrascal,I (1708)-Walter,E (2063) Mexico City MEX 2023 0-1 (35)}) 11. O-O Be7
12. f4 $146 ({RR} 12. a4 b4 13. Nb1 b5 14. a5 Bf6 15. Bc5 Nf4 16. Re1 Bxb2 17.
Ra2 Nxe2+ 18. Rxe2 Be5 19. Bxb4 d6 20. Bc3 Be6 21. Ra1 Ke7 22. Bxe5 dxe5 23.
Nd2 Ra6 24. Re3 Rha8 25. Rea3 b4 26. Ra4 c5 {Socko,M (2458)-Batsiashvili,N 
(2467) Wroclaw POL 2022 0-1 (52)}) 12... d6 13. Nb1 f5 14. Nd2 fxe4 15. Nxe4 d5
16. Nc5 O-O 17. g3 Bf6 18. c3 Re8 19. Kf2 Ne7 20. g4 Bh4+ 21. Kf3 Ng6 22. h3 b6
23. Nd3 c5 24. f5 d4 25. fxg6 Bb7+ 26. Kf4 Re4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cardoso, Lucas do Valle"]
[Black "Pereira, Geanfrancesco"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "72"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 Qe7 5. Nd3 Bxc3 6. dxc3 Nxe4 7. Be2 O-O
8. Nf4 c6 ({RR} 8... Nf6 9. c4 d6 10. O-O Nc6 11. Re1 Re8 12. Bd2 Qd8 13. Nd5
Be6 14. Bg5 Bxd5 15. cxd5 Ne5 16. Bb5 c6 17. dxc6 bxc6 18. Bf1 d5 19. Qd4 Qb6
20. Be3 Qxd4 21. Bxd4 Ned7 22. f3 c5 23. Bf2 {Gabrielian,A (2560)-Yanchenko,R 
(2384) Kaliningrad 2015 1-0 (52)}) 9. c4 d6 10. O-O Nf6 $146 ({RR} 10... Bf5
11. a4 Nd7 12. Ra3 Rad8 13. Re3 Ne5 14. Bd3 Qg5 15. Rxe4 Bxe4 16. Bxe4 Qe7 17.
Re1 f5 18. Bd3 Rde8 19. Bd2 Qh4 20. g3 Qd8 21. h4 Qb6 22. Bc3 Ng4 23. Rf1 Re7
24. Bxf5 Ne3 25. Bxh7+ {Curdo,J (2320)-Kelly,J (1898) Natick 1998 1-0}) 11. Re1
Re8 12. Be3 Nbd7 13. Qd4 Ne5 14. Rad1 Bf5 15. c3 Rad8 16. h3 h6 17. Nh5 Nxh5
18. Bxh5 c5 19. Qf4 Bc2 20. Qg3 Bxd1 21. Bxh6 Nf3+ 22. gxf3 Qxe1+ 23. Kh2 Qe5
24. f4 Qf6 25. Bg5 Qf5 26. Bxd1 f6 27. Bh4 d5 28. Bg4 Qg6 29. cxd5 Kh8 30. Be6
Qxg3+ 31. Kxg3 Rxe6 32. dxe6 Kg8 33. Kf3 Rd2 34. Ke4 Kf8 35. f5 Rxb2 36. Bg3 b6
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cardoso, Marcio"]
[Black "Leite, Coraci"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2
a6 9. Qd2 ({RR} 9. O-O Nxd4 10. Qxd4 O-O 11. Qd2 Re8 12. f3 Bd7 13. Rac1 Bc6
14. Rfd1 Qa5 15. Nd5 Qc3 16. Qc2 Qxc2 17. Rd2 Rac8 18. Rdxc2 Nd7 19. Nb6 Nxb6
20. Bxb6 Bd7 21. b3 Rc6 22. Be3 Rec8 23. Bd3 a5 {Gibala,A (1549)-Owczarek,M 
(1484) Wroclaw POL 2022 1/2-1/2 (42)}) 9... Qa5 $146 ({RR} 9... Ng4 10. Bxg4
Bxg4 11. Nd5 Rc8 12. Rc1 O-O 13. O-O Bd7 14. Ne2 Rb8 15. Bb6 Qc8 16. b4 Re8 17.
f4 f5 18. b5 Nd8 19. Rfd1 fxe4 20. c5 Bxb5 21. Nxe7+ Rxe7 22. cxd6 Qe6 23. dxe7
Qxb6+ 24. Kh1 {Dworakowska,J (2120)-Nguyen,T Bratislava 1993 1-0 (42)}) 10. O-O
Bg4 11. f3 Bd7 12. Rfd1 O-O 13. Nxc6 Bxc6 14. Nd5 Qd8 15. Nb6 Rb8 16. a4 Nd7
17. Nxd7 Qxd7 18. c5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Carmo, Jose Arlindo"]
[Black "Fedrizzi, Roberto"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 e6 6. Be2 Bc5 7. Be3 Qf6 8.
Nf3 Bxe3 9. fxe3 Qh6 10. Qd2 Nf6 $146 ({RR} 10... Nge7 11. O-O O-O 12. Rad1 b5
13. Kh1 b4 14. Na4 d5 15. Nb6 Rb8 16. exd5 Rxb6 17. dxc6 Nf5 18. Qd8 Ng3+ 19.
Kg1 Qxe3+ 20. Rf2 Ne4 21. Qxf8+ Kxf8 22. Rd8+ Ke7 23. c7 Nxf2 24. Rxc8 Nh3+ 25.
Kf1 {Schillaci,T-Diehm,A (2030) Griesheim 1998 0-1}) 11. h3 O-O 12. O-O d5 13.
exd5 Nxd5 14. Nxd5 exd5 15. Nd4 Re8 16. Rf3 Re5 17. Raf1 Rg5 18. Kh2 Qh4 19.
R1f2 Ne5 20. Kh1 Nxf3 21. Nxf3 Qxf2 22. Nxg5 Be6 23. Nxh7 Qh4 24. Bd3 g6 25. e4
dxe4 26. Bxe4 Kxh7 27. Bxb7 Rd8 28. Qe2 Qf4 29. Bf3 Rd2 30. Qxa6 Bxh3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Carrico, Victor Hugo"]
[Black "Andrade, Dalson Holanda"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3
Qc7 9. f4 b5 10. Bf3 Bb7 11. Qd3 ({RR} 11. e5 dxe5 12. Bxb7 Qxb7 13. fxe5 Nfd7
14. Qg4 g6 15. Nxe6 fxe6 16. Qxe6 Qc6 17. Qf7+ Kd8 18. Nd5 Bc5 19. e6 Bxe3+ 20.
Nxe3 Qc5 21. exd7 Qxe3+ 22. Kh1 Nxd7 23. Rad1 Qe8 24. Qf6+ Kc7 25. Qd6+ Kb7 {
Nisipeanu,L (2600)-Maksimenko,A (2545) Ukraine 1997 1-0}) ({RR} 11. e5 dxe5 12.
fxe5 Qxe5 13. Bf4 Bxf3 14. Qxf3 Qxd4+ 15. Kh1 Ra7 16. Bxb8 Rd7 17. Rad1 Qb6 18.
Rxd7 Kxd7 19. Rd1+ Ke8 20. Qa8 Bd8 21. Rd6 Qa5 22. b4 Qa3 23. Nd1 Qc1 24. Rxd8+
Kxd8 25. Bf4+ Ke7 {Mares,V (1999)-Kopriva,M (1736) Czechia 2012 1-0}) 11...
Nbd7 12. Nb3 O-O 13. g4 $146 ({RR} 13. a3 Rfd8 14. Qe2 Nc5 15. Nxc5 dxc5 16.
Qf2 b4 17. axb4 cxb4 18. Na4 Nxe4 19. Bxe4 Bxe4 20. Bb6 Qxc2 21. Bxd8 Rxd8 22.
Rfc1 Qxf2+ 23. Kxf2 g5 24. fxg5 Bxg5 25. Re1 Bc2 26. Nb6 Bf6 27. Nc4 Rc8 {
Kayser,F (2147)-Reisch,S (2189) Germany 2006 0-1}) 13... Nc5 14. Nxc5 dxc5 15.
g5 Rfd8 16. Qe2 Nd7 17. f5 b4 18. fxe6 fxe6 19. Na4 Ne5 20. Bg2 Bc6 21. b3 Bb5
22. Qh5 g6 23. Qh3 Bxf1 24. Qxe6+ Kh8 25. Rxf1 Rf8 26. Nb6 Rxf1+ 27. Bxf1 Nf3+
28. Kf2 Rf8 29. Ke2 Qxh2+ 30. Kd1 Nxg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Carvalho, Amauri"]
[Black "Freitas, Filipe"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Bg5 Be7 4. a3 d5 5. e3 Nc6 6. Nf3 O-O 7. Nc3 b6 8. Qc2 ({
RR} 8. b4 dxc4 9. Bxc4 Bb7 10. Qc2 Nd5 11. Bxd5 Bxg5 12. h4 Bf6 13. Be4 h6 14.
g4 Be7 15. g5 h5 16. Rd1 Rb8 17. Rg1 Bd6 18. Nb5 Ne7 19. Bxb7 Rxb7 20. Qe4 c6
21. Nc3 a5 22. b5 Bxa3 {Gonzalez,F (2021)-Alahakoon,I (1874) chess.com INT
2023 1-0 (52)}) 8... dxc4 $146 ({RR} 8... h6 9. h4 Nh7 10. Bf4 dxc4 11. Bxc4
Bd6 12. Bd3 f5 13. Ne2 Bb7 14. Rh3 Qf6 15. Qc3 Rac8 16. Ne5 Bxe5 17. dxe5 Qf7
18. O-O-O Ne7 19. Rg3 Nd5 20. Qc2 Kh8 21. Nd4 Nxf4 22. exf4 c6 23. Bc4 {
Pelle,C-Bachet,A Nice 1938 1-0 (54)}) ({RR} 8... Ba6 9. Qa4 Bb7 10. Bxf6 Bxf6
11. cxd5 exd5 12. Ba6 Bxa6 13. Qxc6 Bc4 14. Nd2 Qe8 15. Qxe8 Rfxe8 16. Nxc4
dxc4 17. O-O-O c6 18. Kc2 Rad8 19. h4 Rd7 20. g4 b5 21. g5 Bd8 22. d5 cxd5 23.
Rxd5 {Ovetchkin,R (2556)-Pochinkov,A (2197) St Petersburg 2009 1-0 (42)}) 9.
Bxc4 Nd5 10. Bxe7 Ncxe7 11. Nxd5 Nxd5 12. Ne5 Bb7 13. O-O Rc8 14. b4 Qg5 15.
Nf3 Nxe3 16. fxe3 Qxe3+ 17. Rf2 Bxf3 18. gxf3 Qxd4 19. Rd1 Qh4 20. Bf1 c5 21.
Qe4 Qxe4 22. fxe4 cxb4 23. axb4 Rc3 24. Ra1 Ra8 25. Rd2 h5 26. Rd7 a5 27. Rb7
a4 28. Bg2 e5 29. Rf1 f6 30. Rd1 a3 31. Rdd7 a2 32. Rxg7+ Kf8 33. Rbf7+ Ke8 34.
Re7+ Kd8 35. Rd7+ Kc8 36. Bh3 a1=Q+ 37. Kg2 Ra2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Carvalho, Willian"]
[Black "Lopes, Wendell"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 h6 6. O-O ({RR} 6. Bxc6 bxc6 7.
Nxe5 Bc5 8. Nf3 Qe7 9. O-O O-O 10. e5 Nh7 11. d4 Bb6 12. c4 f6 13. c5 Ba7 14.
Qb3+ Kh8 15. Nh4 Qf7 16. Qxf7 Rxf7 17. Ng6+ Kg8 18. Nd2 fxe5 19. Nxe5 Re7 20.
b4 Bb7 {Suarez Pousa,D (2285)-Reyes Acevedo,I St Feliu 1994 1-0 (32)}) 6... Be7
7. c3 O-O 8. Nbd2 $146 ({RR} 8. Re1 Re8 9. d4 b5 10. Bb3 Kh8 11. dxe5 Ng4 12.
Bf4 f6 13. e6 Nge5 14. exd7 Qxd7 15. Bd5 Nxf3+ 16. Qxf3 Ra7 17. Nd2 Bd6 18. Be3
Ne5 19. Qe2 c5 20. b4 Rc7 21. Nb3 cxb4 22. cxb4 Bb7 {Matijevic,B-Sanchez
Gonzalez,C lichess.org INT 2021 1-0 (31)}) 8... d5 9. Bxc6 bxc6 10. Nxe5 dxe4
11. Nxc6 Qd6 12. Nxe7+ Qxe7 13. dxe4 Nxe4 14. Qf3 Bb7 15. Nxe4 Bxe4 16. Qg3 Qd6
17. Bf4 Qc6 18. f3 Bd3 19. Rf2 Rfe8 20. Rd2 Bg6 21. Bxc7 Re7 22. Be5 Rae8 23.
Bd4 Re2 24. Rad1 Bc2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cavalcante, Rodrigo"]
[Black "Cruz, Natan"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "162"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 f5 8. Qh5+
g6 9. Qh6 Bxg5 10. hxg5 Kf7 11. Nf3 ({RR} 11. g4 Nf8 12. O-O-O Nc6 13. f4 Ne7
14. Qh3 Bd7 15. Kb1 b6 16. Bd3 Qc8 17. gxf5 exf5 18. e6+ Bxe6 19. Qe3 Qd8 20.
Nf3 Qd6 21. Ne5+ Kg7 22. Ne2 c6 23. Rde1 a5 24. a3 Ra7 25. Nc3 Bc8 {Mons,L 
(2540)-Andre,G (2373) Magdeburg GER 2020 1-0 (32)}) ({RR} 11. Nge2 Qf8 12. Qh3
Qe7 13. Qxh7+ Rxh7 14. Rxh7+ Kf8 15. Rxe7 Kxe7 16. Nf4 Nf8 17. O-O-O Kf7 18.
Bd3 Nbd7 19. Nce2 c5 20. c3 b5 21. g4 cxd4 22. cxd4 Nb6 23. b3 Bd7 24. Kb2 a5
25. Rc1 Rc8 {Donchenko,A (2636)-Skuza,P Katowice POL 2022 1-0 (31)}) 11... Qf8
$146 ({RR} 11... Nf8 12. O-O-O Rg8 13. g4 Rg7 14. Nd2 c6 15. Ne2 Kg8 16. gxf5
exf5 17. Nf4 Ne6 18. Nxe6 Bxe6 19. f4 Nd7 20. Qh3 Rc8 21. Nb3 a5 22. Qe3 b6 23.
Kb1 a4 24. Nc1 b5 25. Nd3 Qb6 26. c3 {Savosto,P (2256)-Soshnikov,M (2256)
Suzdal 2013 1/2-1/2}) 12. Qxf8+ Kxf8 13. O-O-O b5 14. Ne2 Kf7 15. Nf4 Nc6 16.
Rh6 Ne7 17. Bd3 Nf8 18. Rdh1 Bd7 19. Nd2 Nc6 20. Nb3 Rg8 21. c3 Rg7 22. Nc5 Bc8
23. Kd2 Kg8 24. Ke3 Nd8 25. b3 Nf7 26. R6h2 Nxg5 27. f3 Nd7 28. Ncxe6 Nxe6 29.
Nxe6 Nf8 30. Nxg7 Kxg7 31. Rh6 Be6 32. Bc2 Bg8 33. f4 Nd7 34. R6h4 h5 35. Bd3
Be6 36. Rc1 Nb6 37. Rc2 c6 38. Rh1 Kf7 39. Rhc1 Ke7 40. Ra1 a5 41. a4 bxa4 42.
bxa4 Rb8 43. Rcc1 Kd7 44. Rcb1 Kc7 45. Kf3 Rh8 46. g3 Bd7 47. Ra3 Ra8 48. Rab3
Nxa4 49. Rb7+ Kc8 50. Ba6 Kd8 51. Rb8+ Rxb8 52. Rxb8+ Kc7 53. Rg8 Nxc3 54. Ke3
a4 55. Kd3 Ne4 56. Rxg6 Kb6 57. Rg7 Be6 58. Re7 Kxa6 59. Rxe6 Kb6 60. Rg6 Kc7
61. Rg7+ Kd8 62. Kc2 Ke8 63. Kb2 Kf8 64. Rg6 Ke7 65. Ka3 Kf7 66. Rxc6 Nxg3 67.
Rc2 h4 68. Kxa4 Nf1 69. Rf2 Ne3 70. Rh2 Kg6 71. Rxh4 Nc2 72. Kb5 Nxd4+ 73. Kc5
Nf3 74. Rh3 Nd2 75. Kxd5 Ne4 76. Re3 Nf2 77. e6 Ng4 78. Re2 Kg7 79. e7 Nf6+ 80.
Ke6 Ne8 81. Rg2+ Kh7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cella, Glaucio"]
[Black "Lima, Vinicius Taishun"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 g6 7. d4 cxd4 8. cxd4
d5 9. Be3 $146 ({RR} 9. h3 Bg7 10. O-O O-O 11. Nc3 Bf5 12. Bg5 Na5 13. Bc2 Bxc2
14. Qxc2 Rc8 15. b3 f6 16. exf6 exf6 17. Bf4 Re8 18. Qd3 Bf8 19. Rfe1 Rxe1+ 20.
Rxe1 Bb4 21. Bd2 Nc6 22. Ne2 Bd6 23. Nf4 Bxf4 {Michalczak,T (2250)-Stabolewski,
A (2265) Schoeneck 1997 1-0 (68)}) ({RR} 9. h3 Bg7 10. O-O O-O 11. Nc3 f6 12.
exf6 exf6 13. Re1 Kh8 14. Bf4 g5 15. Bg3 g4 16. hxg4 Bxg4 17. Qd3 Bxf3 18. Qxf3
Nxd4 19. Qd3 Nxb3 20. axb3 Qd7 21. Rad1 Rad8 22. Ne2 f5 23. Nf4 Rfe8 {Petukhov,
D (2350)-Fressinet,L (2626) chess.com INT 2023 1-0 (64)}) 9... Bg7 10. h3 O-O
11. Qc1 Re8 12. Bh6 Bh8 13. Nc3 Bf5 14. g4 Be6 15. Qe3 Na5 16. Ng5 Nbc4 17. Qe2
Qb6 18. Nxe6 fxe6 19. Bxc4 Nxc4 20. O-O-O Rac8 21. f4 Bg7 22. Bxg7 Kxg7 23. Rd3
Rf8 24. Rf1 a5 25. b3 Na3 26. Qb2 Nb5 27. Kb1 Nxc3+ 28. Rxc3 Qxd4 29. Rxc8 Qd3+
30. Qc2 Qxf1+ 31. Kb2 Rxf4 32. Qc7 Rf7 33. Re8 Qf2+ 34. Ka3 Qf4 35. Qxa5 Qc1+
36. Ka4 Rf4+ 37. b4 Qc2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cilento, Lucas"]
[Black "Cardoso, Lucca"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8.
Bg5 a6 9. Na3 Be7 10. Bxf6 Bxf6 11. Nc4 Be7 12. Nd5 Be6 13. Ncb6 ({RR} 13. c3
O-O 14. Be2 b5 15. Nce3 Bg5 16. O-O g6 17. a4 bxa4 18. Qxa4 a5 19. Qxc6 {
1-0 (18) Rasulov,V (2478)-Tsydypov,Z (2565) lichess.org INT 2021}) ({RR} 13.
Nxe7 Kxe7 14. c3 Re8 15. Qd2 Kf8 16. Qxd6+ Qxd6 17. Nxd6 Red8 18. O-O-O Bxa2
19. Nxb7 Rdb8 20. Nc5 Rd8 21. Bxa6 Na5 22. Bb5 Rdc8 23. Nd7+ Ke7 24. Nb6 Nb3+
25. Kc2 Nd4+ 26. Rxd4 exd4 27. Nxc8+ Rxc8 {Tanenbaum,Z (2247)-Mogirzan,M (1813)
chess.com INT 2023 1-0 (34)}) 13... Rb8 14. c3 O-O 15. Bd3 f5 $146 ({RR} 15...
Bg5 16. h4 Bh6 17. Qh5 Ne7 18. O-O Nxd5 19. Nxd5 f5 20. g3 f4 21. Kh2 f3 22.
Rad1 b5 23. Ne3 Bxe3 24. fxe3 Qd7 25. Bc2 Bg4 26. Bb3+ Kh8 {0-1 (25) Blanco
Dans,M (1754)-Pena Torres,J (2061) Sada ESP 2022}) 16. exf5 Bxf5 17. Bxf5 Rxf5
18. Qg4 Rg5 19. Qe6+ Kh8 20. g3 Rg6 21. Qf5 Qf8 22. Qe4 Qf7 23. O-O Qe6 24.
Rae1 Qh3 25. f4 Bf6 26. f5 Rh6 27. Rf2 Bd8 28. Nd7 Rc8 29. Nf4 d5 30. Nxd5 Rd6
31. Nxe5 Bf6 32. Nf7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Correa, Joao Pedro"]
[Black "Teske, Luiz Fernando"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. c3 Nge7 7. d3 O-O 8. Nbd2
d5 ({RR} 8... d6 9. a3 h6 10. b4 Be6 11. Bb2 a6 12. Ba4 Qd7 13. b5 axb5 14.
Bxb5 Nc8 15. a4 N8a7 16. Bc4 Rad8 17. Qc2 f5 18. Bxe6+ Qxe6 19. Rad1 d5 20. Ba3
b6 21. Qa2 Qf7 22. Rb1 Nc8 23. h3 {Martirosyan,H (2630)-Erigaisi,A (2563)
Moscow RUS 2020 0-1 (45)}) ({RR} 8... d6 9. Nf1 Be6 10. h3 a6 11. Ba4 h6 12.
Bb3 d5 13. exd5 Nxd5 14. Ne3 Qd7 15. Bd2 Rad8 16. Bc2 Nf4 17. Rb1 Nxd3 18. Bxd3
Qxd3 19. Qe2 Bxa2 20. Ra1 Be6 21. Qxd3 Rxd3 22. Nf1 Rfd8 23. Be3 {Gaudin,G 
(1371)-Zargarov,M (1878) Europe-Echecs INT 2022 0-1 (47)}) 9. exd5 Qxd5 10. Ne4
b6 11. Bh6 $146 ({RR} 11. Bg5 Kh8 12. Bf6 Bxf6 13. Nxf6 Qe6 14. Nxh7 Rd8 15.
Nhg5 Qf6 16. Qa4 Bb7 17. Qh4+ Kg7 18. Qh7+ Kf8 19. Bc4 Nd5 20. Nxe5 Nxe5 21.
Rxe5 Qg7 22. Qxg7+ {1-0 (22) Zhang,X (2374)-Hong,X (1986) Xinghua 2016}) 11...
Bb7 12. Bxg7 Kxg7 13. Qe2 f6 14. Bc4 Qd7 15. a3 Nd5 16. b4 cxb4 17. axb4 a5 18.
b5 Nce7 19. h3 Rac8 20. Rac1 Nf4 21. Qe3 Ned5 22. Qd2 Nxh3+ 23. Kf1 Nhf4 24.
Bxd5 Bxd5 25. Ng3 Bxf3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Costa, Ricardo Santos"]
[Black "Campos, Otavio"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. d4 g6 3. c4 d6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 c6 7. O-O Nbd7 8. b3
e5 9. e3 Nh5 ({RR} 9... exd4 10. exd4 Re8 11. Bf4 Nf8 12. Qd2 Ne6 13. Bh6 Bh8
14. Rfe1 Bd7 15. Rad1 Ng7 16. Bg5 Ne6 17. Bh4 Qa5 18. Bxf6 Bxf6 19. Ne4 Qd8 20.
Nxd6 Rf8 21. Ne5 Qc7 22. c5 Bg7 23. b4 Rad8 24. d5 {Martinez Alcantara,J (2620)
-Hernandez Guerrero,G (2564) chess24.com INT 2020 1-0}) ({RR} 9... Ne8 10. Ba3
f5 11. dxe5 Nxe5 12. Qc2 Qa5 13. Bb2 Be6 14. Rad1 h6 15. Ne2 a6 16. Bc3 Qc7 17.
Qb2 b5 18. c5 Nxf3+ 19. Bxf3 dxc5 20. Nf4 Bf7 21. Rd2 b4 22. Bxg7 Nxg7 23. Rc1
Rad8 24. Rxd8 {Nguyen Ngoc Truong Son (2645)-Klepikov,N (2063) chess.com INT
2023 1-0 (45)}) 10. e4 $146 ({RR} 10. Ba3 c5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13.
Rc1 Rb8 14. f4 Bg7 15. e4 a6 16. Qc2 Nf6 17. Bb2 Ng4 18. Nd5 Be6 19. Bxg7 Kxg7
20. Qc3+ f6 21. Rce1 b5 22. h3 Nh6 23. e5 {1/2-1/2 (23) Zhdanov,K-Uryadov,S 
(1905) Uljanovsk 2009}) 10... a6 11. Be3 b5 12. d5 c5 13. Re1 b4 14. Na4 f5 15.
Ng5 Qe7 16. Ne6 Rf7 17. Nxg7 Kxg7 18. exf5 Nhf6 19. fxg6 hxg6 20. Bg5 Rb8 21.
Re4 Qf8 22. Rh4 Qe8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Cymbalista, Eduardo"]
[Black "Soares, Renan"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. Qe2 Nf6 7. Rd1 Rc8
8. c3 e6 9. d4 cxd4 10. cxd4 d5 11. e5 Ne4 12. Be3 Be7 13. Nbd2 $146 ({RR} 13.
Ne1 f5 14. h4 O-O 15. Bf4 Bxh4 16. f3 g5 17. fxe4 gxf4 18. exd5 Qxd5 19. Nc3
Qd8 20. Nf3 Bg3 21. d5 Qb6+ 22. Kf1 Ne7 23. d6 Ng6 24. Rac1 Qd8 25. Qd3 Rc5 26.
Qd4 Rc6 27. Ne2 Rxc1 {De Souza,N (1326)-Soares,R (1941) Florianopolis BRA 2023
0-1 (39)}) 13... Nxd2 14. Rxd2 O-O 15. Bg5 Rc7 16. Bxe7 Nxe7 17. Rc2 Rxc2 18.
Qxc2 Rc8 19. Qd3 Qc6 20. Ne1 Qc4 21. Rd1 Qxa2 22. Qb5 Qc4 23. Qxb7 Qc7 24. Qxc7
Rxc7 25. Ra1 Rb7 26. Nd3 Nc6 27. Rc1 Rb6 28. Nb4 Rxb4 29. Rxc6 h6 30. Rc8+ Kh7
31. Rc7 Kg6 32. Rxa7 Rxb2 33. Kf1 Rb4 34. Ke2 Rxd4 35. f3 Rb4 36. Kf2 Rb2+ 37.
Kg3 Rb8 38. Rd7 Rb2 39. h4 Re2 40. f4 Re3+ 41. Kf2 Ra3 42. g4 Ra4 43. Kf3 Ra3+
44. Kf2 h5 45. gxh5+ Kxh5 46. Rxf7 Kg6 47. Re7 Kf5 48. Rf7+ Ke4 49. f5 Ra2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Damasceno, Enzo"]
[Black "Urquiza, Marcello"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Nf3 Nc6 6. Bf4 a6 7. e3 Bg4 8. Be2
e6 9. O-O Bd6 10. Bxd6 Qxd6 11. Rc1 O-O 12. Na4 Nd7 13. h3 Bxf3 14. Bxf3 Rac8
15. Qd2 Ne7 16. b4 Nb6 $146 ({RR} 16... Rc6 17. Nc5 Nxc5 {1/2-1/2 (17) Pataki,
G (2367)-Hajnal,Z (2384) Hungary 2013}) 17. Nc5 Nc4 18. Qd3 b5 19. e4 Rfd8 20.
Nb7 Qxb4 21. Nxd8 Rxd8 22. exd5 Nxd5 23. Bxd5 Rxd5 24. Rb1 Qa5 25. a4 Nd2 26.
axb5 Nxb1 27. bxa6 Nd2 28. Rd1 Ne4 29. Qxe4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Dobuchak, Thiago"]
[Black "Pomar, Marcelo"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 Bb4 5. Nd5 Bc5 6. c3 d6 7. a4 a6 8. b4
Bb6 9. Nxb6 cxb6 10. d3 h6 11. O-O O-O 12. Bb2 ({RR} 12. Re1 Re8 13. Bf1 Bg4
14. h3 Bh5 15. Bb2 d5 16. g4 dxe4 17. dxe4 Bg6 18. Nd2 Nd7 19. Nc4 Re6 20. Qd3
Qc7 21. Rad1 Rd8 22. Qf3 Nf6 23. Rxd8+ Qxd8 24. Qd3 Qc7 25. f3 a5 26. b5 Nb8 {
Grischuk,A (2785)-Morozevich,A (2739) Moscow 2013 1/2-1/2 (49)}) ({RR} 12. Ra3
Bd7 13. b5 Ne7 14. c4 a5 15. Ne1 Ng6 16. g3 Bh3 17. Ng2 Bxg2 18. Kxg2 Nd7 19.
Bg4 Nc5 20. Be3 Qc7 21. Ra2 Rad8 22. Kh1 Ne7 23. f4 f5 24. exf5 Nxf5 25. Bg1 g6
26. Re2 Ng7 {Fernandez,F (2418)-Zuniga Terrazas,J (1919) Lima PER 2023 1-0 (39)
}) 12... Ne7 $146 ({RR} 12... Re8 13. Re1 Bg4 14. h3 Bh5 15. g4 Bg6 16. b5 Nb8
17. Nh4 Nbd7 18. c4 Nc5 19. Ng2 Ne6 20. Qd2 Qc7 21. Bf1 Ng5 22. Qe3 Nd7 23. h4
Ne6 24. f4 exf4 25. Nxf4 Nxf4 26. Qxf4 Nf8 27. Ba3 {Gullaksen,E (2357)-Niehaus,
F (2191) Berlin GER 2018 1/2-1/2 (50)}) 13. Qb1 Ng6 14. d4 Bg4 15. g3 Qe7 16.
Re1 Rfe8 17. Nd2 Bxe2 18. Rxe2 Qe6 19. Qe1 Rac8 20. f3 h5 21. d5 Qd7 22. Nf1
Ne7 23. Bc1 b5 24. axb5 Qxb5 25. Ra5 Qd3 26. Re3 Qc2 27. Qd2 Qxd2 28. Bxd2 Nd7
29. Re1 Nb6 30. Ne3 Nc4 31. Nxc4 Rxc4 32. Ra3 f5 33. Kf2 fxe4 34. fxe4 Nc8 35.
Ke3 Nb6 36. Kd3 Rc7 37. Ra2 Rf8 38. Be3 Nc4 39. Bg1 Rf3+ 40. Kc2 g5 41. Kb3
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Federzoni, Enzo"]
[Black "Araujo, Everson"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "89"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nb3 b5 8. Bd3
Bb7 9. Be3 Nf6 10. Qf3 d6 11. a3 Be7 12. O-O h5 $146 ({RR} 12... b4 13. Ne2
bxa3 14. bxa3 O-O 15. g4 Nd7 16. g5 Na5 17. Nxa5 Qxa5 18. Qg4 Nc5 19. Ng3 g6
20. Qh4 Nxd3 21. cxd3 f5 22. gxf6 Bxf6 23. Qg4 Rae8 24. Rab1 Bd8 25. f5 exf5
26. Nxf5 Qc3 27. Nh6+ {Barbitskij,A (2284)-Tomashevsky,E (2300) Togliatti 2000
1/2-1/2 (31)}) 13. Kh1 h4 14. Rad1 g6 15. Nd4 h3 16. g3 Rc8 17. Kg1 Na5 18. g4
Nc4 19. Bxc4 Qxc4 20. g5 Nd7 21. Nb3 Ba8 22. Bd4 e5 23. fxe5 dxe5 24. Be3 Qe6
25. Rd2 Rh4 26. Rfd1 Qg4+ 27. Kf2 Nf8 28. Nd5 Qxf3+ 29. Kxf3 Ne6 30. Nb6 Rb8
31. Nxa8 Rxa8 32. Rd5 Rc8 33. c3 Bxg5 34. Rxe5 Bxe3 35. Kxe3 Rg4 36. Nd4 Ke7
37. Kf3 Rg2 38. Rd5 Rxh2 39. Nxe6 fxe6 40. Rd7+ Kf6 41. Kg3 Rxb2 42. Kxh3 Rxc3+
43. R7d3 Rbb3 44. Rxc3 Rxc3+ 45. Kg4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Felicio, Leonardo"]
[Black "Rezende, Uelton"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. h3 Nbd7 6. Nf3 O-O 7. g4 ({RR} 7. g3
e5 8. Bg2 a6 9. a4 a5 10. O-O Re8 11. Qc2 c6 12. Be3 Qc7 13. Rad1 b6 14. Rd2
Ba6 15. b3 Rac8 16. Rfd1 Bb7 17. dxe5 dxe5 18. h4 Bf8 19. Bh3 Rcd8 20. h5 Bb4
21. Bg5 Be7 {Gomez Esteban,J (2475)-Timoscenko,G (2530) Vendrell 1996 0-1 (58)}
) ({RR} 7. Bf4 c6 8. Qd2 Re8 9. Bd3 e5 10. Bg5 exd4 11. Nxd4 Ne5 12. f3 Qb6 13.
Be3 Nxd3+ 14. Qxd3 Qxb2 15. Rb1 Qxg2 16. Qf1 Qxf1+ 17. Kxf1 a6 18. a4 c5 19.
Nde2 Be6 20. Bf4 Rad8 21. Rb6 Bxc4 {Mayer,A-Liu,J (1539) Marburg GER 2023 0-1 
(45)}) 7... e5 8. d5 Nc5 9. Bg5 $146 ({RR} 9. Qc2 a5 10. Bg5 c6 11. Nd2 a4 12.
Be2 cxd5 13. cxd5 Bd7 14. O-O Rc8 15. Rfc1 a3 16. b4 Na4 17. Qb3 Nxc3 18. Rxc3
Rxc3 19. Qxc3 h6 20. Be3 h5 21. Bg5 hxg4 22. hxg4 Qb8 23. Qh3 Re8 {Pradeep,K 
(2268)-Joy,A (1918) New Delhi 2012 0-1}) 9... h6 10. Bxf6 Bxf6 11. b4 Na6 12.
a3 c6 13. Qd2 Kg7 14. Rg1 Bg5 15. Nxg5 Qxg5 16. Qxg5 hxg5 17. O-O-O cxd5 18.
Rxd5 Rd8 19. Nb5 Bd7 20. Nxd6 Bc6 21. Rd2 Ba4 22. Nxb7 Rxd2 23. Kxd2 Nxb4 24.
axb4 Rb8 25. Nc5 Rxb4 26. Nxa4 Rxa4 27. Bd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Ferreira, Fernando G"]
[Black "Silva, Afranio Marcio"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "140"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Bf5 3. c4 e6 4. Nc3 Bd6 5. Bxd6 Qxd6 6. Nf3 ({RR} 6. e3 c6 7.
Qb3 Qe7 8. Nf3 Nf6 9. Rc1 O-O 10. Be2 a5 11. a3 Ne4 12. O-O a4 13. Qa2 Nd7 14.
Rfd1 h6 15. Nd2 Nxc3 16. bxc3 Nf6 17. Qb2 c5 18. cxd5 exd5 19. dxc5 Rfc8 20. c4
Rxc5 {Andreikin,D (2729)-Fakhretdinov,R (2267) Sochi RUS 2023 1-0 (47)}) 6...
Nf6 7. e3 a6 8. c5 $146 ({RR} 8. Be2 O-O 9. O-O dxc4 10. Bxc4 b5 11. Be2 b4 12.
e4 bxc3 13. exf5 cxb2 14. Rb1 exf5 15. Rxb2 Nc6 16. h3 Rfe8 17. Re1 Rad8 18.
Rd2 Ne4 19. Rd3 Nb4 20. Rb3 Nxa2 21. Bc4 Nec3 22. Rxe8+ Rxe8 {Ribeiro,
R-Cardoso,A (1441) Sao Joao da Madeira 2013 0-1 (35)}) 8... Qd8 9. Qb3 Qc8 10.
Be2 O-O 11. O-O Nc6 12. Nh4 Ne7 13. Nxf5 Nxf5 14. Bd3 c6 15. Rac1 Re8 16. Qd1
e5 17. g4 e4 18. gxf5 exd3 19. Qxd3 Ne4 20. f3 Nf6 21. Rc2 Kh8 22. Rg2 g6 23.
fxg6 fxg6 24. Ne2 Nh5 25. Kh1 Qf5 26. e4 dxe4 27. Qc3 Kg8 28. Ng3 Nxg3+ 29.
Rxg3 e3 30. Re1 Qf4 31. Kg2 Re7 32. Rg4 Qf5 33. Rxe3 Rae8 34. Rxe7 Rxe7 35. Qd2
Kf8 36. Rf4 Re2+ 37. Qxe2 Qxf4 38. Qf2 Ke7 39. Qg3 Qd2+ 40. Qf2 Qg5+ 41. Kf1
Qc1+ 42. Qe1+ Qxe1+ 43. Kxe1 Ke6 44. Ke2 Kf5 45. Ke3 h5 46. b4 g5 47. a4 g4 48.
b5 axb5 49. axb5 cxb5 50. d5 gxf3 51. d6 Ke6 52. Kxf3 b6 53. cxb6 Kxd6 54. b7
Kc7 55. Ke4 Kxb7 56. h4 Kb6 57. Kd3 Kc5 58. Kc3 b4+ 59. Kb3 Kb5 60. Kb2 Kc4 61.
Kc2 b3+ 62. Kb2 Kb4 63. Kb1 Kc3 64. Kc1 Kd3 65. Kb2 Ke3 66. Kxb3 Kf3 67. Kc3
Kg3 68. Kd3 Kxh4 69. Ke3 Kg3 70. Ke2 Kg2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Ferreira, Thales"]
[Black "Rodrigues, Julliano"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. c4 g6 2. Nc3 Nf6 3. e4 e5 4. d4 exd4 5. Qxd4 Nc6 ({RR} 5... Bg7 6. Qe5+ Kf8
7. Nf3 Nc6 8. Qf4 d6 9. Be2 h6 10. O-O Kg8 11. Rd1 Be6 12. h3 Qe7 13. Rb1 Re8
14. Re1 Qd7 15. Bf1 Ne5 16. Nxe5 dxe5 17. Qe3 a6 18. Rd1 Qc8 19. b3 Kh7 20. Nd5
{Shimanov,A (2587)-Tsydypov,Z (2553) Khanty-Mansiysk RUS 2019 0-1 (45)}) ({RR} 
5... Bg7 6. Bg5 Nc6 7. Qd2 O-O 8. f3 d6 9. O-O-O Re8 10. h4 h5 11. Nge2 Ne5 12.
Nf4 Qd7 13. Nfd5 Nxd5 14. cxd5 a6 15. Kb1 b5 16. Rc1 Rb8 17. Bh6 Bh8 18. Nd1
Bb7 19. Ne3 Rec8 20. Be2 {Mirzoev,A (2415)-Micic,A (2145) chess.com INT 2023 1/
2-1/2 (65)}) 6. Qd1 Bg7 7. Bd3 $146 ({RR} 7. Be2 O-O 8. Nf3 d6 9. O-O Re8 10.
Qc2 Bg4 11. Be3 Ne5 12. Nxe5 Bxe2 13. Nxf7 Kxf7 14. Qxe2 Kg8 15. f3 c6 16. Qd2
Re6 17. Rad1 Qc7 18. Qf2 Rf8 19. Qd2 Nd7 20. Rc1 Ne5 21. Ne2 c5 {Jean,R (1864)
-Ferriere,P (1735) Montigny le Bretonneux 2007 1-0 (36)}) 7... d6 8. Nge2 Ne5
9. O-O Nfg4 10. Bf4 O-O 11. b3 Nxd3 12. Qxd3 Ne5 13. Qd2 Re8 14. Rad1 b6 15.
Bg5 Qd7 16. Nd5 Bb7 17. Nec3 Re6 18. f4 Ng4 19. f5 Ree8 20. f6 Bf8 21. h3 Ne5
22. Bh6 Kh8 23. Bxf8 Rxf8 24. Qh6 Rg8 25. Ne7 Qe6 26. Ncd5 Nd7 27. Nxg8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Franca Jr, Jairo"]
[Black "Pinto, Pedro Jorge M"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c3 cxd4 5. cxd4 Nf6 6. Nc3 O-O 7. e5 Ne8 8. Bc4
({RR} 8. e6 d6 9. exf7+ Rxf7 10. Bc4 e6 11. d5 e5 12. O-O Bf6 13. Bh6 Nd7 14.
Rc1 Nb6 15. Ne4 Be7 16. Nxe5 dxe5 17. d6 Nxc4 18. dxe7 Qxd1 19. Rfxd1 Nb6 20.
Rd8 Bf5 21. Nd6 Rxe7 22. Rxa8 Nxa8 {LV94 (2411)-Rego,V (2445) lichess.org 2021
1-0 (53)}) ({RR} 8. Bg5 d6 9. Bb5 Nc6 10. O-O Bg4 11. exd6 Qxd6 12. h3 Bxf3 13.
Qxf3 Nxd4 14. Qxb7 Rb8 15. Qa6 Qxa6 16. Bxa6 Nc7 17. Bc4 Rxb2 18. Bxe7 Rc8 19.
Nd5 Nxd5 20. Bxd5 Rb5 21. Bf3 Nxf3+ 22. gxf3 Bxa1 {Vesali Khah,P (1481)
-Karpitsky,D lichess.org INT 2022 0-1 (54)}) 8... d6 9. Qe2 Nc6 10. h3 Qa5 $146
({RR} 10... Nc7 11. O-O d5 12. Bb3 b6 13. Rd1 Ba6 14. Qe1 Na5 15. Bc2 Rc8 16.
Bb1 f6 17. b3 fxe5 18. Nxe5 Ne6 19. Nxg6 Rf6 20. Ne5 Nc6 21. Nxc6 Rxc6 22. Be3
Nf4 23. Qd2 Nxh3+ 24. gxh3 Qc8 25. Kh2 {Bojkov,D (2552)-Desic,Z (2130) Valjevo
2010 1-0 (42)}) 11. Bf4 dxe5 12. dxe5 Nc7 13. O-O Be6 14. a3 Bxc4 15. Qxc4 Ne6
16. b4 Qd8 17. Rad1 Qe8 18. Bg3 Rc8 19. Qb3 Rd8 20. Nd5 Rd7 21. Rd3 Kh8 22.
Rfd1 Qb8 23. Qb2 Rfd8 24. Qe2 b5 25. h4 Qb7 26. Qe4 a5 27. Ng5 Nxg5 28. hxg5 e6
29. Nf6 Rxd3 30. Rxd3 Rxd3 31. Qxd3 axb4 32. axb4 Qe7 33. Qxb5 Nxb4 34. Bf4 Bf8
35. Bd2 Nc2 36. Qd3 Qc5 37. Nd7 Qd4 38. Qxd4 Nxd4 39. Nxf8 Nc6 40. Nd7 Kg7 41.
Kf1 Nd4 42. Be3 Nf5 43. g3 Ne7 44. Ke2 Nc6 45. Kd3 Nb4+ 46. Kc4 Nd5 47. Kc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Franco Filho, Sinvaldo"]
[Black "Santiago, Mauro"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 {Anand,V} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 (
{RR} 7. Bxc6+ bxc6 8. d4) 7... b5 8. Bc2 O-O 9. h3 Bb7 10. d4 exd4 11. cxd4 Nb4
12. Nc3 ({RR} 12. Bb3 c5 ({RR} 12... Bxe4 13. Rxe4 Nxe4 14. a3 d5 15. axb4 Bxb4
) 13. a3 Nc6 14. Nc3 Nxd4 ({RR} 14... c4 15. Bc2 d5 16. e5) 15. Nxd4 cxd4 16.
Qxd4 Nd7 17. Nd5 Nc5 18. Ba2 Bxd5 19. Qxd5 ({RR} 19. Bxd5 Bf6) 19... Rc8 20.
Bf4 Ne6 21. Bg3 Rc2 22. Rab1 Qb6 23. Qd1 Nd4 24. Bb3 Rcc8 25. Bd5 Bf6 ({RR} 
25... Rc2 26. Bf4 Bf6 27. Be3 Rfc8 28. Qd3) 26. Bf4 Qc7 {Anand,V (2752)
-Sokolov,I (2647) Prague 2002 CBM 089 [Anand,V] 1-0 (76)}) ({RR} 12. Nbd2 Nxc2
13. Qxc2) 12... Nxc2 13. Qxc2 h6 ({RR} 13... c5 14. d5 Re8 15. Bf4 Rc8 16. Rad1
Qc7 17. a3 Nd7 18. Ne2 Bf6 19. Ng3 g6 20. Nh2 Bg7 21. Ng4 Ne5 22. Nxe5 dxe5 23.
Be3 Qd6 24. f3 c4 25. Ne2 a5 26. Rb1 b4 27. axb4 axb4 28. Ra1 {Hansen,E (2609)
-Tanenbaum,Z (2285) chess.com INT 2023 1-0 (45)}) 14. Qe2 $146 ({RR} 14. Bf4
Rc8 15. Rad1 Nh7 16. d5 Ng5 17. Nd4 c5 18. dxc6 Bxc6 19. Nxc6 Rxc6 20. Qd2 Ne6
21. Bg3 Nc7 22. Qe2 b4 23. Nd5 a5 24. Ne3 g6 25. Qf3 Qc8 26. Nd5 Nxd5 27. exd5
Rc7 28. Rxe7 Rxe7 {Lewald,S (1893)-Hampe,W (1577) Bad Sooden 2011 1-0 (60)})
14... Re8 15. Bf4 b4 16. e5 bxc3 17. exf6 Bxf6 18. Qxe8+ Qxe8 19. Rxe8+ Rxe8
20. bxc3 Bxf3 21. gxf3 Re2 22. a4 Rc2 23. Ra3 g5 24. Be3 Be7 25. Rb3 Ra2 26.
Rb8+ Kg7 27. Rc8 c5 28. Rc7 Bf6 29. dxc5 dxc5 30. Rxc5 Rxa4 31. Rc6 Be5 32. Kg2
f5 33. Rc5 Kf6 34. Rc6+ Kg7 35. c4 f4 36. Bd2 Ra2 37. Be1 Ra1 38. Bb4 a5 39.
Rc5 axb4 40. Rxe5 b3 41. Rb5 Rb1 42. c5 b2 43. c6 Rc1 44. Rxb2 Rxc6 45. h4 Kg6
46. Kh3 Kh5 47. hxg5 hxg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Kruger, Israel"]
[Black "Melo, Igor"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "155"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. d3 e6 6. Bf4 d6 7. Qd2 a6 8. a4 Rb8
$146 ({RR} 8... Nd4 9. Nxd4 cxd4 10. Ne2 d5 11. exd5 exd5 12. Bb3 Be6 13. O-O
Ne7 14. Bh6 Bxh6 15. Qxh6 Nf5 16. Qf4 Qb6 17. g4 Nh4 18. Qf6 g5 19. Qxh8+ Ke7
20. Qxa8 Nf3+ 21. Kg2 Bxg4 22. Ng3 Qh6 23. Qxb7+ {Qashashvili,A (2505)
-Vakhidov,S (2312) chess.com INT 2023 0-1}) 9. h4 h5 10. Nd1 b5 11. axb5 axb5
12. Bb3 Bb7 13. c3 Nge7 14. O-O O-O 15. Bh6 d5 16. Bxg7 Kxg7 17. exd5 exd5 18.
d4 cxd4 19. Nxd4 Nxd4 20. Qxd4+ Kg8 21. Ne3 Nc6 22. Qf4 Na5 23. Bxd5 Bxd5 24.
Rad1 Nc4 25. Nxd5 Kg7 26. b3 Na5 27. b4 Nc4 28. Rfe1 Rb7 29. Ne3 Qf6 30. Qxf6+
Kxf6 31. Nxc4 bxc4 32. Rd6+ Kg7 33. Rc6 Rd8 34. Rxc4 Rd2 35. Re3 Rc2 36. Rf3
Rc1+ 37. Kh2 Re1 38. Rc5 Re4 39. g3 Re1 40. Kg2 Rb1 41. Rd5 Rb3 42. Rfd3 Kf6
43. Rd6+ Ke7 44. Kf3 Rxc3 45. Rxc3 Kxd6 46. Rb3 Kd5 47. Kf4 f6 48. f3 Rb5 49.
g4 hxg4 50. fxg4 g5+ 51. hxg5 fxg5+ 52. Kg3 Kc4 53. Rb1 Kd3 54. Rb2 Ke3 55.
Rb3+ Kd4 56. Kf3 Kc4 57. Rb1 Kd3 58. Rc1 Rxb4 59. Rc5 Rf4+ 60. Kg3 Ke4 61. Rxg5
Rf3+ 62. Kh4 Rf8 63. Ra5 Rh8+ 64. Kg3 Rg8 65. g5 Rh8 66. Kg4 Rh1 67. g6 Rg1+
68. Kh5 Rh1+ 69. Kg5 Rg1+ 70. Kf6 Rf1+ 71. Kg7 Rg1 72. Kh7 Rh1+ 73. Kg8 Rg1 74.
g7 Kd4 75. Kh7 Rh1+ 76. Kg6 Rg1+ 77. Rg5 Ra1 78. g8=Q 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Labussiere, Victor"]
[Black "Matsuura, Everaldo"]
[Result "1/2-1/2"]
[ECO "D93"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8.
Bxc4 O-O 9. Nf3 Qxc5 10. Bb3 Nc6 11. O-O Qh5 12. h3 e5 13. Bg3 Rd8 ({RR} 13...
Bf5 14. Qe2 Rad8 15. e4 Bc8 16. Rfd1 Nd4 17. Nxd4 exd4 18. Qxh5 Nxh5 19. Nb5
Nxg3 20. fxg3 a6 21. Nc7 Bh6 22. Rc4 b5 23. Rc6 Bb7 24. Rb6 Bxe4 25. Rxa6 Be3+
26. Kh2 d3 27. Ne6 fxe6 28. Rxe6 {Gonzalez,F (2021)-Atanasov,A (2361) chess.
com INT 2023 1/2-1/2 (57)}) 14. Nd2 Bf5 15. e4 Bh6 $146 ({RR} 15... Be6 16.
Bxe6 fxe6 17. Qb3 Bh6 18. Qxb7 Nd4 19. Rcd1 Bxd2 20. Rxd2 Qg5 21. Qe7 Rd7 22.
f4 Qxg3 23. Qxf6 exf4 24. Nd5 Rxd5 25. exd5 Qe3+ 26. Rff2 e5 27. Rxd4 Qxd4 28.
Qe6+ Kf8 29. Qf6+ Kg8 30. Qe6+ {Salov,V (2550)-Lputian,S (2500) Minsk 1987 1/
2-1/2}) 16. Nd5 Nxd5 17. exd5 Qxd1 18. Rcxd1 Nd4 19. Bxe5 Nxb3 20. Nxb3 Rac8
21. Bc3 Bc2 22. Rd4 Bg7 23. Rd2 Bxb3 24. Bxg7 Rxd5 25. Rxd5 Bxd5 26. Bd4 Bxa2
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Lima, Carlos Eduardo A"]
[Black "Santos, Clecio Franca"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "120"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. O-O O-O 6. b3 Nbd7 7. Bb2 e5 8. Nbd2
Re8 9. e4 exd4 ({RR} 9... Nh5 10. Re1 exd4 11. Bxd4 Bxd4 12. Nxd4 Nc5 13. Be2
Nf4 14. Bf3 Qf6 15. Nc4 Nfd3 16. cxd3 Qxd4 17. Re3 Bd7 18. Na3 Bc6 19. Nc2 Qf6
20. Rc1 Ne6 21. d4 Ng5 22. d5 Bd7 23. Nd4 Rac8 24. h4 {Valderrama,E (2326)
-Dobrov,V (2521) Neiva 2005 0-1 (61)}) 10. Bxd4 a6 $146 ({RR} 10... b6 11. Re1
Bb7 12. c4 Ne5 13. Bxe5 dxe5 14. Qc2 Bf8 15. Nf1 Bc5 16. h3 Qe7 17. Qe2 Rad8
18. Bc2 Rd6 19. Red1 Red8 20. Rxd6 Rxd6 21. g4 h5 22. g5 Nh7 23. h4 f6 24. gxf6
Rxf6 25. Ne3 {Pais,N (2084)-Gempe,T (2317) Budapest 2008 0-1 (46)}) 11. a4 b6
12. Re1 Bb7 13. Re2 Nc5 14. Qe1 Nxd3 15. cxd3 Qd7 16. Nf1 c5 17. Bb2 d5 18. e5
Nh5 19. d4 Nf4 20. Rd2 Bh6 21. Ne3 Ne6 22. Rad1 Nc7 23. h3 Rad8 24. Ng4 Bg7 25.
Re2 Qe7 26. Re3 Kh8 27. Qc3 c4 28. bxc4 dxc4 29. Qxc4 Nd5 30. Rb3 Rc8 31. Qe2
h5 32. Ngh2 Bh6 33. g3 Qe6 34. Rbd3 Qxh3 35. Qf1 Qf5 36. Nh4 Qd7 37. f4 Rc2 38.
R1d2 Rec8 39. Qe2 R2c6 40. f5 Bxd2 41. Qxd2 Kh7 42. Qg5 Qe7 43. f6 Qb4 44. Nf5
Kg8 45. Qh6 Qf8 46. Ng7 Nxf6 47. exf6 Rxf6 48. d5 Qc5+ 49. Qe3 Qxe3+ 50. Rxe3
Rd6 51. Ne8 Rdd8 52. Nf6+ Kf8 53. d6 Rc2 54. d7 Kg7 55. Bd4 Rc4 56. Bxb6 Rc1+
57. Kf2 Rc2+ 58. Re2 Rxe2+ 59. Kxe2 Kxf6 60. Bxd8+ Ke6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Lima, Darcy Gustavo"]
[Black "Supi, Luis Paulo"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 a6 5. Nbd2 c5 6. dxc5 Bxc5 7. a3 dxc4 8.
Bxc4 b5 9. Be2 Bb7 10. O-O O-O 11. b4 Be7 12. Bb2 Nbd7 13. Nb3 Rc8 $146 ({RR} 
13... Nb6 14. Na5 Bd5 15. Rc1 Rc8 16. Qd4 Na4 17. Ba1 Qb6 18. Ne5 Qxd4 19. Bxd4
Ne4 20. Nec6 Bh4 21. f3 Bxc6 22. Nxc6 Nec3 23. Bxc3 Rxc6 24. Bd4 Rfc8 25. Rxc6
Rxc6 26. Rd1 Nc3 27. Bxc3 Rxc3 28. Rd3 {Maly,A (2371)-Nguyen,T (1971) chess.
com INT 2020 1/2-1/2 (31)}) 14. Na5 Ba8 15. Rc1 Qb6 16. Nd4 e5 17. Nf5 Qe6 18.
Nxe7+ Qxe7 19. Re1 g6 20. Bf1 h5 21. Re2 h4 22. h3 Be4 23. Rd2 Nb6 24. Ba1 Rxc1
25. Qxc1 Rc8 26. Qd1 Nfd7 27. f3 Bf5 28. Rd6 Qg5 29. Rd2 Qe7 30. e4 Be6 31. Rc2
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Lima, Lucas Taveira"]
[Black "Rocha, Jean Henrique"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "22"]
[EventDate "2021.??.??"]

1. c4 {Polgar,J} e6 2. Nf3 Nf6 3. g3 d5 4. cxd5 ({RR} 4. Qc2 c5 5. d4 cxd4 6.
Nxd4 e5 7. Nb3 ({RR} 7. Nf3 d4 ({RR} 7... Nc6 8. cxd5 Nxd5 9. a3 Be6 10. Bd2
Be7 11. Nc3 O-O 12. Bg2 Rc8 13. Rd1 Nd4 14. Qb1 Bf6 15. O-O Nxc3 16. bxc3 Nxe2+
17. Kh1 Qc7 18. Qd3 Nxc3 19. Rc1 e4) 8. Nxe5 Qa5+) 7... Nc6 8. Bg2 Nb4 9. Qd1
dxc4 ({RR} 9... Bf5 10. Na3) 10. N3d2 Bf5 11. Na3 ({RR} 11. O-O Nc2 12. e4 Nxa1
13. exf5) 11... b5 12. Bxa8 Qxa8 13. Nf3 ({RR} 13. O-O Bh3) 13... Nd3+ ({RR} 
13... Qc6 14. O-O ({RR} 14. Bd2 Bc5 15. O-O Bh3 16. Bxb4 Bxb4 17. Nc2 Bc5)
14... Bh3 15. Re1 Ng4) ({RR} 13... a6) 14. exd3 Bxd3 15. Nxb5 Bb4+ 16. Nc3 O-O
({RR} 16... Qe4+ 17. Be3) 17. Rg1 ({RR} 17. Be3 Be4 18. O-O Bxf3 19. Qd2 Qc8) (
{RR} 17. Bd2 Bxc3 18. bxc3 Qe4+ 19. Be3 Nd5) 17... Ne4 ({RR} 17... Qe4+ 18. Be3
Nd5 19. Nd2) 18. Bd2 Rd8 {Pantsulaia,L (2595)-Polgar,J (2686) Aix les Bains
2011 CBM 142 Extra [Polgar,J] 0-1 (34)} ({RR} 18... Nxc3 19. Bxc3 Bxc3+ 20.
bxc3 Qe4+ 21. Kd2 Qb7 22. Ke1 ({RR} 22. Kc1 Rb8 23. Qd2 Qb1+ 24. Rxb1 Rxb1#)
22... Qe4+) {RR} 19. Ng5 Nxd2 20. Qxd2 h6 21. Nh3 Bxc3 22. bxc3 Be4 23. Qe3 Bf3
24. Kf1 Bg4) 4... Nxd5 5. e4 ({RR} 5. Bg2 Bb4 6. O-O O-O 7. Nc3 Nc6 8. Nxd5
exd5 9. d4 Re8 10. a3 Ba5 11. Bd2 Bxd2 12. Qxd2 Bg4 13. e3 Qf6 14. Ne1 Rad8 15.
Nd3 Bf3 16. Rac1 h5 17. Nf4 Bxg2 18. Kxg2 h4 19. Kg1 g5 {Pezzolato,E (1453)
-Arsov,F (1624) Genoa ITA 2023 1/2-1/2 (35)}) 5... Nb6 6. d4 $146 ({RR} 6. Bg2
Bd7 7. O-O Bc6 8. Re1 N8d7 9. d4 Be7 10. Nc3 Bb4 11. a3 Bxc3 12. bxc3 O-O 13.
Qd3 Nc5 14. Qc2 Ba4 15. Qe2 Nb3 16. Rb1 a6 17. c4 c5 18. Be3 cxd4 19. Nxd4 Nxd4
20. Bxd4 Qxd4 {Howe,D (1667)-Heinemann,K Buesum 2015 0-1 (34)}) 6... c5 7. Bg2
cxd4 8. Qxd4 Qxd4 9. Nxd4 Bd7 10. O-O Nc6 11. Be3 Nc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Luz, Arthur Nader"]
[Black "Aoyama, Edmundo"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nge2 Bg7 6. d3 d6 7. O-O O-O 8. Bg5
a6 ({RR} 8... Rb8 9. Nd5 Re8 10. a4 e6 11. Nxf6+ Bxf6 12. Bxf6 Qxf6 13. c3 d5
14. f4 dxe4 15. dxe4 e5 16. f5 Qg5 17. Qd3 b6 18. h4 Qe7 19. h5 Rd8 20. Qf3 Ba6
21. hxg6 hxg6 22. Rad1 Rxd1 23. Rxd1 {Aronian,L (2764)-Vachier Lagrave,M (2789)
Leuven BEL 2018 0-1 (41)}) 9. a3 $146 ({RR} 9. Qd2 Re8 10. f4 Qc7 11. Nd1 b5
12. Ne3 e6 13. f5 Nxe4 14. dxe4 Bxb2 15. Rab1 Be5 16. Ng4 exf5 17. exf5 Bxf5
18. Nh6+ Kg7 19. Nxf5+ gxf5 20. Rxf5 Re6 21. Rbf1 Rf8 22. Bd5 Rg6 23. Rxf7+
Rxf7 {Torretta,G (1661)-Redamante,M (1541) Robecchetto 2014 1-0}) ({RR} 9. Qd2
Rb8 10. Bh6 e6 11. Bxg7 Kxg7 12. d4 cxd4 13. Nxd4 Qc7 14. Rad1 Ne5 15. b3 b5
16. f4 Ned7 17. Kh1 b4 18. Na4 Nc5 19. e5 dxe5 20. fxe5 Nfe4 21. Qe3 Nxa4 22.
bxa4 Nc3 23. Nc6 Nxd1 {Xue,S (1785)-Peng,S Qiziwan CHN 2023 1-0}) 9... Qc7 10.
Qd2 e6 11. Rab1 Bd7 12. b4 cxb4 13. axb4 Na7 14. Nd1 Rfc8 15. c3 Bc6 16. Ne3
Nd7 17. Ng4 Nb5 18. Nh6+ Kf8 19. c4 Nd4 20. Nxd4 Bxd4 21. b5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Mazetto, Sergio Luiz"]
[Black "di Berardino, Diego"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "52"]
[EventDate "2021.??.??"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 d6 6. Rb1 e6 7. b4 Nge7 8. Nf3
O-O 9. O-O Rb8 10. e3 e5 11. d3 h6 12. bxc5 $146 ({RR} 12. Nd2 b6 13. Nd5 Bf5
14. Qe2 Kh8 15. b5 Nxd5 16. cxd5 Na5 17. e4 Bd7 18. Nc4 Nxc4 19. dxc4 f5 20.
exf5 gxf5 21. f4 e4 22. Bb2 Qe7 23. Kh1 Kh7 24. a4 Bxb2 25. Rxb2 Qf6 26. a5 Be8
{Rastbod,A (2231)-Martinez Alcantara,J (2611) chess.com INT 2023 0-1 (53)})
12... dxc5 13. Nd5 f5 14. Ne1 Be6 15. Qb3 Qd6 16. Nc2 b5 17. Qa2 bxc4 18. Rxb8
Rxb8 19. dxc4 e4 20. Rd1 Nxd5 21. cxd5 Ne5 22. Ne1 Bd7 23. Qc2 Qa6 24. Qxc5 Qe2
25. Qc2 Qxc2 26. Nxc2 Ba4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Messias, Jose Vitor"]
[Black "Pironti, Francisco"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 g6 6. cxd4 Bg7 7. Bc4 Nb6 8. Bb3
O-O 9. O-O d6 10. h3 ({RR} 10. exd6 Qxd6 11. h3 Nc6 12. Be3 Nd5 13. Nc3 Nb6 14.
d5 Na5 15. Bd4 Nxb3 16. Qxb3 Bxd4 17. Nxd4 Qc5 18. Rfd1 Rd8 19. Rac1 Qd6 20.
Ndb5 Qf4 21. Rc2 e6 22. d6 {1-0 (22) Ivanov,M (1704)-Mukhtarova,V (1978)
Yevpatoria UKR 2023}) 10... Nc6 11. Bf4 Na5 $146 ({RR} 11... Bf5 12. Nc3 dxe5
13. dxe5 Qc8 14. Re1 Rd8 15. Qe2 Bd3 16. Qe3 Nc4 17. Bxc4 Bxc4 18. Rad1 Qf5 19.
b3 Be6 20. Nb5 Rxd1 21. Rxd1 Qc2 22. Rd2 Qb1+ 23. Kh2 Bf5 24. g4 Be6 25. Nc7
Rf8 26. Bg3 {Maggiolo,E (2054)-Feliciano Ebert,V (2268) Villa Martelli 2012
0-1 (51)}) 12. Nc3 dxe5 13. Bxe5 Nxb3 14. Qxb3 Be6 15. Qd1 Rc8 16. Bxg7 Kxg7
17. Rc1 Nd5 18. Ne4 b6 19. Qd2 Nf6 20. Nxf6 exf6 21. Rxc8 Qxc8 22. d5 Rd8 23.
d6 Qc6 24. Rd1 Bxh3 25. Rc1 Qe4 26. gxh3 Qxf3 27. Rc7 Qxh3 28. Qd5 Rd7 29. Qc6
Qg4+ 30. Kf1 Qd1+ 31. Kg2 Rxd6 32. Qe8 Qd5+ 33. Kh2 Qe5+ 34. Qxe5 fxe5 35. Rc2
Rd3 36. Kg2 h5 37. b3 Kh6 38. Rc7 f5 39. Rxa7 Rd2 40. Ra6 e4 41. Kf1 h4 42. a4
h3 43. Kg1 f4 44. Rxb6 e3 45. fxe3 h2+ 46. Kh1 fxe3 47. Re6 e2 48. a5 Rd1+ 49.
Kxh2 e1=Q 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Molina, Roberto Junio"]
[Black "Aranha Filho, Alvaro"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "135"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 d6 7. Nc3 Nbd7 8.
e3 O-O 9. Bd3 ({RR} 9. Be2 e5 10. O-O Re8 11. Rfd1 exd4 12. Nxd4 a4 13. Qc2 Nc5
14. Bf3 Bg4 15. Qe2 Bxf3 16. Qxf3 Nfe4 17. Rac1 Nxc3 18. Rxc3 Qd7 19. h3 Re5
20. Rc2 Rae8 21. Nb5 Rf5 22. Qe2 Ne4 23. Rf1 Rg5 {Giri,A (2764)-Shubin,K (2429)
chess.com INT 2020 1-0 (71)}) 9... e5 10. O-O Re8 11. Qc2 exd4 $146 ({RR} 11...
Qe7 12. Ng5 Nf8 13. Nge4 Nxe4 14. Bxe4 c6 15. f4 exd4 16. exd4 f5 17. Bf3 Bd7
18. Rfe1 Qxe1+ 19. Rxe1 Rxe1+ 20. Kf2 Re7 21. Qb3 Be8 22. d5 c5 23. Nb5 a4 24.
Qc2 Bxb5 25. cxb5 g6 26. Qc3 {Buchholz,R (1995)-Reddmann,H (2216) Hamburg 2017
0-1 (40)}) ({RR} 11... Qe7 12. Nd2 c6 13. b4 Nf8 14. dxe5 Qxe5 15. Nf3 Qh5 16.
Ne4 Nxe4 17. Bxe4 Re6 18. Bf5 Rh6 19. Bxc8 Rxc8 20. Rad1 Nd7 21. Qe4 Ne5 22. h3
Nxf3+ 23. Qxf3 Qxf3 24. gxf3 axb4 25. axb4 Kf8 26. Kh2 {Geboers,J (1864)-Van
der Valk,N (2155) Eindhoven NED 2023 0-1 (64)}) 12. Nxd4 Nc5 13. Be2 a4 14.
Rad1 Re5 15. Rfe1 Bd7 16. Bf1 Qe7 17. Rd2 Bg4 18. h3 Bh5 19. f4 Bg6 20. fxe5
Bxc2 21. exf6 Qxf6 22. Rxc2 Re8 23. Rf2 Qd8 24. e4 c6 25. Nf5 Re6 26. Rd1 Qc7
27. g3 h5 28. Bg2 Kh7 29. Bf3 g6 30. Nd4 Rf6 31. Kg2 Qe7 32. h4 Nd7 33. Nc2 Ne5
34. Be2 Rxf2+ 35. Kxf2 Kg8 36. Kg2 g5 37. Ne3 gxh4 38. Nf5 h3+ 39. Kxh3 Qg5 40.
Kg2 Ng6 41. Kf3 h4 42. Nxh4 Nxh4+ 43. gxh4 Qxh4 44. Ke3 Qg5+ 45. Kd3 f5 46.
exf5 Qxf5+ 47. Kd2 Qe5 48. Kc2 Kf8 49. Bd3 Ke7 50. Nxa4 Kd8 51. Nc3 Kc7 52. Rd2
Qf4 53. b3 Qe5 54. Kb2 Qd4 55. Rd1 Qe5 56. Bc2 Kb8 57. b4 Kc7 58. Kb3 Qe6 59.
Ne4 d5 60. cxd5 cxd5 61. Nc5 Qe5 62. Ka2 Qc3 63. Kb1 Qf3 64. Ne6+ Kd6 65. Nd4
Qf2 66. Nb5+ Kc6 67. Nc3 b6 68. Rxd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Monteiro, Marcos Paulo"]
[Black "Fernandes, Pedro G"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 Bg7 8.
Nf3 O-O 9. Be2 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Nb8 13. O-O ({RR} 13. h4
f6 14. h5 g5 15. h6 e5 16. Nh2 b6 17. Ng4 Na6 18. g3 Bxg4 19. Bxg4 Qd6 20. f4
gxf4 21. gxf4 Kh8 22. Be6 exf4 23. Rg1 Nc7 24. Bf5 Rg8 25. Kf2 f3 26. Kxf3 Nb5
27. Rg7 Rxg7 {Goodman,D (2375)-Chandler,M (2450) Brighton 1980 1/2-1/2}) ({RR} 
13. h4 e6 14. h5 exd5 15. hxg6 fxg6 16. Qh6 Rf7 17. Ng5 Qf6 18. Nxf7 Qxf7 19.
exd5 Bf5 20. Rc1 Nd7 21. Rh4 Re8 22. Kf1 a6 23. Rf4 Qe7 24. Bc4 Qg7 25. Qxg7+
Kxg7 26. g4 b5 27. gxf5 bxc4 {Marcolino,A (1953)-Pessoa,V (1527) Niteroi BRA
2023 1-0 (31)}) 13... f6 $146 ({RR} 13... b6 14. Qh6 f6 15. Bd1 e5 16. Ba4 Bd7
17. Bb3 b5 18. Nh4 Qe8 19. f4 Rf7 20. fxe5 Qxe5 21. Rbe1 c4 22. Bd1 Na6 23. Nf3
Qe7 24. h4 Nc5 25. Bc2 a5 26. e5 fxe5 27. Rxe5 Qf8 28. Qe3 {Tolkmitt,J (1787)
-Motullo,J (1618) Mecklenburg VP 2008 1-0 (43)}) 14. Rfd1 Qd6 15. Qe3 Nd7 16.
Nd2 a6 17. Nc4 Qc7 18. Qh6 b5 19. d6 exd6 20. Nxd6 Ne5 21. Nxc8 Raxc8 22. Qh3
Qf7 23. f4 Nc6 24. Rd7 Ne7 25. Bg4 Rc6 26. Rbd1 Kg7 27. Rxe7 Qxe7 28. Rd7 Qxd7
29. Bxd7 Rd6 30. Be6 b4 31. f5 c4 32. Bxc4 g5 33. Qh5 Rd1+ 34. Kf2 Rd2+ 35. Kg3
Rc2 36. Bb3 Rc3+ 37. Kf2 a5 38. h3 a4 39. Bxa4 Rd8 40. Bb3 Rd2+ 41. Kg1 Rc7 42.
Qe8 Kh6 43. Qf8+ Kh5 44. Qxf6 Rcd7 45. Kh2 g4 46. Kg3 Rg7 47. Qh4# 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Moreira, Cleber Naief"]
[Black "Oliveira, Aquiles"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "68"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Bb5+ Nbd7 7. Nc3 a6 8.
Bxd7+ Qxd7 9. Nf3 Nxd5 10. Ne5 Qe6 11. O-O Nxc3 12. bxc3 Bg7 13. Re1 O-O 14.
Ba3 Re8 15. Qa4 $146 ({RR} 15. Qf3 Qf5 16. Qg3 Be6 17. Re2 Rac8 18. Rae1 Bf6
19. Bc5 b5 20. a3 Kg7 21. h3 h5 22. Nf3 Bc4 23. Re3 Rxc5 24. dxc5 Qxc5 25. Ne5
Rd8 26. Nxc4 bxc4 27. a4 Rd5 28. Qb8 a5 29. Qb7 Rd2 {Jansa,V (2465)-Govedarica,
R (2425) Trnava 1987 1/2-1/2 (82)}) 15... b5 16. Qb3 Ra7 17. d5 Qf6 18. Nc6 Rc7
19. Re3 Rxc6 20. dxc6 Qxc6 21. Rxe7 Rxe7 22. Bxe7 Bb7 23. f3 Qxc3 24. Rd1 Bd4+
25. Kh1 Kg7 26. Bb4 Qxb3 27. axb3 Be5 28. Bd6 Bc3 29. Bc5 a5 30. Bd4+ Bxd4 31.
Rxd4 Bc6 32. Rd6 Be8 33. Kg1 h5 34. Kf2 a4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Mota, Romulo Cardoso"]
[Black "Dantas, Neimar"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5
Nf6 9. c4 b4 10. Nc2 a5 11. a3 $146 ({RR} 11. Bg5 Be7 12. Nxe7 Qxe7 13. Qd3 Be6
14. Be2 Rd8 15. Rd1 h6 16. Bc1 O-O 17. b3 Qd7 18. O-O Nxe4 19. Qxe4 Bf5 20. Qe3
Bxc2 21. Rd5 a4 22. bxa4 Bxa4 23. Bb2 Ne7 24. Rd2 Qe6 25. Qa7 Bc6 {Adair,J 
(2481)-Zakarian,D (2360) Llandudno 2017 1/2-1/2}) ({RR} 11. Bg5 Be7 12. Nxe7
Qxe7 13. Ne3 Be6 14. Bxf6 Qxf6 15. Qxd6 Nd4 16. Bd3 Rc8 17. O-O Rc6 18. Qb8+
Rc8 19. Qb6 O-O 20. Qxa5 Qf4 21. Rfe1 Bh3 22. Bf1 Rc6 23. Nf5 Bxf5 24. exf5 Nc2
25. g3 Qh6 {Giri,A (2764)-Radjabov,T (2765) chess24.com INT 2021 0-1 (55)}) ({
RR} 11. Bg5 Be7 12. Nxe7 Qxe7 13. Ne3 Be6 14. Qa4 Qd7 15. Bxf6 gxf6 16. Bd3 Nd4
17. Qd1 Rg8 18. f3 Rc8 19. Qd2 Qa7 20. Qf2 Ke7 21. O-O Qd7 22. Kh1 Rg6 23. f4
exf4 24. Nd5+ Bxd5 25. exd5 Nf5 {Veljanoski,A (2311)-Boshkovski,N (1512)
Skopje MKD 2023 1-0}) 11... b3 12. Nce3 Nd4 13. Bd3 Be7 14. O-O O-O 15. f4 a4
16. Bd2 Nxd5 17. Nxd5 f5 18. fxe5 dxe5 19. Nxe7+ Qxe7 20. Bb4 Qg5 21. Bxf8 Kxf8
22. exf5 Bb7 23. Rf2 Rd8 24. Qb1 Nf3+ 25. Kh1 Nd2 26. Qe1 Rxd3 27. Rd1 Ne4 28.
Rxd3 Nxf2+ 29. Qxf2 Qc1+ 30. Qg1 Bxg2+ 31. Kxg2 Qc2+ 32. Qf2 Qxd3 33. Qc5+ Kf7
34. Qxe5 Qxc4 35. Kf3 Qf1+ 36. Ke4 Qg2+ 37. Kd3 Qc2+ 38. Ke3 Qc1+ 39. Ke4 Qc4+
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Nascimento, Christian"]
[Black "Santos, Marcus Vinicius"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. Be3 a6 5. a4 b6 6. Bc4 e6 7. Nge2 Nf6 ({RR} 
7... Ne7 8. Qd2 Bb7 9. Bh6 Bxh6 10. Qxh6 d5 11. Bd3 c5 12. dxc5 bxc5 13. exd5
exd5 14. O-O-O Ng8 15. Qf4 Qf6 16. Rhe1 Kf8 17. Qc7 Bc6 18. Nf4 c4 19. Ncxd5
Bxd5 20. Qc5+ {1-0 (20) Matt,F (2302)-Heer,S (2047) Bregenz AUT 2023}) 8. f3
Bb7 9. Bb3 d5 $146 ({RR} 9... O-O 10. Qd2 Nbd7 11. O-O c5 12. Rad1 Re8 13. dxc5
dxc5 14. Bf4 e5 15. Bg5 Qc7 16. Bd5 Nxd5 17. Nxd5 Bxd5 18. Qxd5 Nf8 19. Qc4 Ne6
20. Be3 b5 21. axb5 axb5 22. Qxb5 Reb8 23. Qc4 Rxb2 24. Rb1 {Berczes,C (2244)
-Resika,N (2241) Budapest 2002 1/2-1/2 (36)}) 10. e5 Nfd7 11. Qd2 h6 12. Nd1 c5
13. c3 Nc6 14. Nf2 Qe7 15. f4 O-O-O 16. O-O Kb8 17. Ba2 Rc8 18. dxc5 bxc5 19.
Rfd1 Rhd8 20. Nd3 f6 21. b4 fxe5 22. Nxc5 Nxc5 23. Bxc5 Qc7 24. Qe3 Re8 25.
Rab1 Ne7 26. Bb6 Qd6 27. Bc5 Qc7 28. Bb6 Qd6 29. Bc5 Qc7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Farias, Igor"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 Nc6 6. Bc4 e6 7. O-O Be7 8.
Qe2 a6 9. Rd1 Qc7 10. Bf4 Nf6 11. h3 O-O 12. e5 dxe5 13. Nxe5 Bd6 14. Rxd6 Qxd6
15. Rd1 Qc5 16. Na4 $146 ({RR} 16. Nxc6 Qxc6 17. Be5 b5 18. Bxf6 gxf6 19. Bd3
f5 20. Qh5 f6 21. Be2 Bb7 22. Bf3 Qc7 23. Bxb7 Qxb7 24. Rd3 Kh8 25. Qh4 b4 26.
Ne2 e5 27. Ng3 f4 28. Nh5 Qc6 29. g3 fxg3 30. Rxg3 Rad8 {Stashis,A (1897)
-Harshita,G (2181) Porto Carras 2015 0-1 (42)}) 16... Qa5 17. Nxc6 bxc6 18. Bb3
Rd8 19. Bd2 Qh5 20. f3 e5 21. Rc1 e4 22. Rc5 exf3 23. Qe7 f2+ 24. Kf1 Bf5 25.
Ba5 Bd3+ 26. Kxf2 Qh4+ 27. Kg1 Rd7 28. Bxf7+ Kh8 29. Qe3 Qxa4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Nunes Jr, Sidney"]
[Black "Ferreira, Andrei"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O d5 8.
Nc3 Be7 9. Qe2 Qc7 ({RR} 9... O-O 10. Kh1 a5 11. a4 Nd7 12. e5 g6 13. Bh6 Re8
14. Rad1 Nc5 15. Qg4 Rb8 16. Bc1 Rb4 17. Qe2 Qb6 18. Qd2 Nxd3 19. cxd3 Ba6 20.
Rfe1 Rb8 21. d4 c5 22. dxc5 Bxc5 23. Qg5 Bxf2 24. Be3 {Kofidis,A (2434)
-Malakhatko,V (2498) Athens 2003 0-1 (33)}) 10. b3 O-O ({RR} 10... a5 11. Bb2
Qa7 12. Kh1 Ba6 13. f4 Bxd3 14. cxd3 h5 15. f5 Ng4 16. fxe6 fxe6 17. exd5 exd5
18. Rae1 Qc7 19. g3 Rh6 20. Ba3 Rd6 21. Bxd6 Qxd6 22. Qe6 Qxe6 23. Rxe6 Kd7 24.
Rfe1 Bf6 25. Na4 {Czerw,D (2394)-Fernandez Garcia,G (2117) chess.com INT 2023
1-0 (46)}) 11. Bb2 Bb7 12. f4 $146 ({RR} 12. Kh1 Rfe8 13. Rad1 Bf8 14. Na4 e5
15. c4 d4 16. c5 Bc8 17. h3 g6 18. f4 Nh5 19. Qf3 Nxf4 20. Bc4 Ne6 21. b4 Rb8
22. a3 Bg7 23. Qg3 Rb7 24. Bc1 Qe7 25. Bd2 Bf6 26. Qd3 Bg5 {Komiagina,M (2241)
-Mekhitarian,K (2560) chess.com INT 2021 0-1 (40)}) 12... Rfe8 13. Kh1 a6 14.
e5 Nd7 15. Na4 g6 16. Qg4 c5 17. c4 d4 18. Rae1 Bc6 19. h4 h5 20. Qh3 Qd8 21.
f5 exf5 22. e6 Nf6 23. exf7+ Kxf7 24. Bc1 Rg8 25. Bg5 Bd7 26. Qg3 Qb8 27. Bf4
Qb7 28. Rxe7+ Kxe7 29. Nxc5 Qc6 30. b4 Kf7 31. Nxd7 Qxd7 32. Bd6 Rge8 33. c5
Ne4 34. Qf4 Nxd6 35. cxd6 Kg7 36. Qxd4+ Kh7 37. Rd1 Rad8 38. Bxa6 Re6 39. Qc3
Rxd6 40. Rxd6 Qxd6 41. Be2 Qf4 42. Qf6 Qc1+ 43. Kh2 Qc7+ 44. Kh3 Re8 45. Bf3
Re1 46. g3 Re3 47. Kg2 Qc2+ 48. Kh3 Qc4 49. Qb6 Rc3 50. a4 Rc2 51. Qb7+ Qc7 52.
a5 Kh6 53. Qxc7 Rxc7 54. a6 Kg7 55. b5 Kf6 56. b6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Oliveira Filho, Fernando"]
[Black "Azevedo Jr, Joao"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb4+ 5. Bd2 ({RR} 5. Nbd2 c5 6. a3 Bxd2+ 7.
Qxd2 O-O 8. Be2 Ba6 9. dxc5 bxc5 10. b4 d5 11. b5 Bb7 12. O-O Nbd7 13. Bb2 dxc4
14. Qc2 a6 15. Bxc4 h6 16. Rfd1 Qc7 17. bxa6 Bxa6 18. Rd2 Rfb8 19. Ba2 Bb7 {
Portisch,L (2625)-Adorjan,A (2570) Budapest 1984 1-0 (38)}) 5... Be7 6. Nc3 O-O
$146 ({RR} 6... Bb7 7. Bd3 d5 8. cxd5 exd5 9. O-O O-O 10. Rc1 c5 11. b3 Nbd7
12. Qe2 Bd6 13. Nb5 Bb8 14. Rfd1 a6 15. Nc3 Re8 16. Na4 c4 17. Bc2 b5 18. Nc3
b4 19. Nxd5 Nxd5 20. bxc4 Nf4 21. Qf1 {Van Baarle,J-Vogel,J (2325) Arnhem/
Amsterdam 1983 0-1 (36)}) ({RR} 6... Bb7 7. Bd3 O-O 8. Qe2 c5 9. O-O Nc6 10.
dxc5 Bxc5 11. a3 d5 12. b4 dxc4 13. Bxc4 Bd6 14. Rfd1 Rc8 15. Ba6 Qe7 16. Bxb7
Qxb7 17. Nb5 Bb8 18. Rac1 Rfd8 19. Nbd4 Ne7 20. b5 e5 21. Nc2 {Malicki,J (1632)
-Michalska,A (1836) Warsaw POL 2023 0-1 (32)}) 7. Bd3 d5 8. O-O Ba6 9. Qe2 c5
10. cxd5 Bxd3 11. Qxd3 exd5 12. b3 Nc6 13. Ne5 Nb4 14. Qe2 Rc8 15. Rac1 Ne4 16.
Nxe4 dxe4 17. Bxb4 cxb4 18. Nc6 Qd7 19. Nxe7+ Qxe7 20. Rc2 Rc3 21. Rxc3 bxc3
22. Qc4 Qa3 23. Qxc3 Qxa2 24. Rc1 g6 25. Qc2 Qa3 26. h3 a5 27. Qxe4 Qxc1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Oliveira, Joao Victor"]
[Black "Pasqualotto, Amos"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. e4 c6 2. c4 g6 3. Nf3 Bg7 4. d4 d6 5. Be2 Bg4 6. b3 $146 ({RR} 6. Nbd2 Nf6
7. O-O Qb6 8. Qc2 Nh5 9. c5 dxc5 10. dxc5 Qc7 11. Nc4 Nd7 12. Be3 O-O 13. h3
Be6 14. Rfd1 Rad8 15. Rab1 Bxc4 16. Qxc4 Nf4 17. Bf1 Ne6 18. b4 Ne5 19. Nxe5
Qxe5 20. g3 Qh5 {Sick,O (2330)-Schmidt,M Germany 1996 1/2-1/2 (52)}) ({RR} 6.
O-O Qb6 7. Nbd2 Nf6 8. Qc2 Nfd7 9. Rd1 O-O 10. h3 Bxf3 11. Nxf3 c5 12. d5 Na6
13. Bf4 Rab8 14. Rab1 Nc7 15. a3 a6 16. b4 Qa7 17. Be3 a5 18. bxc5 Nxc5 19. Nd4
Qa8 20. f4 N7a6 {Gelfand,B (2673)-Novikov,S (2540) St Petersburg RUS 2018 1-0 
(42)}) 6... c5 7. Bb2 Nc6 8. h3 Bxf3 9. Bxf3 Nxd4 10. O-O e5 11. Qd2 Nf6 12.
Na3 O-O 13. Rac1 b6 14. b4 Nd7 15. Nb5 Qe7 16. Ba3 Rfc8 17. Bg4 a6 18. Bxd7
Qxd7 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Oliveira, Renato Sena"]
[Black "Rocha, Matheus Eugenio"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Qe2 Ndf6 6. Nf3 Bg4 7. c3 Nxe4 8.
Qxe4 Nf6 9. Qe3 ({RR} 9. Qf4 Bxf3 10. Qxf3 e6 11. Bd3 Be7 12. O-O O-O 13. Re1
Re8 14. Bf4 Nd5 15. Qh3 g6 16. Be5 Bd6 17. Qg3 Bxe5 18. Rxe5 Qf6 19. Rae1 Qf4
20. Qh3 b5 21. R5e4 Qd2 22. R4e2 Qg5 23. Re5 Qf6 {Villiers,T (2186)-Arkell,K 
(2404) Cambridge ENG 2023 0-1 (90)}) 9... e6 $146 ({RR} 9... Bxf3 10. Qxf3 Qd5
11. Be2 Qxf3 12. Bxf3 e6 13. Bg5 Be7 14. Bxf6 Bxf6 15. O-O-O O-O-O 16. Kc2 h5
17. h3 g6 18. Rhe1 Kc7 19. b4 a5 20. a3 axb4 21. axb4 Ra8 22. Ra1 Be7 23. Kb3
Bd6 24. c4 {Aldokhin,I (2413)-Molina,R (2434) chess.com INT 2021 0-1 (46)}) 10.
Bd3 Bxf3 11. gxf3 Be7 12. Bd2 Qc7 13. Rg1 Nd5 14. Qe2 Bf6 15. Be4 Qxh2 16.
O-O-O O-O-O 17. f4 Nxf4 18. Qg4 Nd5 19. Bxd5 Rxd5 20. Bf4 Qh5 21. Qg3 Rd7 22.
Qe3 Qa5 23. Kb1 g6 24. Rd3 Rhd8 25. Rgd1 Qb6 26. Qf3 Bg7 27. Rc1 h5 28. c4 Bxd4
29. Rb3 Qc5 30. a4 Qf5+ 31. Ka1 e5 32. Rxb7 Qxf4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Oliveira, Silvio Eduardo"]
[Black "Mekhitarian, Krikor"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
Be7 9. Qd2 h5 10. Nd5 Nxd5 11. exd5 Bf5 12. Be2 a5 13. a4 Nd7 14. O-O O-O 15.
f4 exf4 16. Bxf4 Rc8 17. c3 Nf6 18. Be3 Bg6 19. Bb5 $146 ({RR} 19. c4 Re8 20.
Bd4 b6 21. Bd3 Bxd3 22. Qxd3 Nd7 23. Bxg7 Kxg7 24. Nd4 Bf6 25. Nf5+ Kf8 26. Qh3
Rxc4 27. Qxh5 Re5 28. Qh6+ Kg8 29. Ra3 Rg4 30. Rh3 Rg6 31. Qh7+ Kf8 32. Rhf3
Qe8 33. Nh4 Rg4 {Saric,I (2644)-Ter Sahakyan,S (2607) Riga LAT 2021 0-1 (42)})
({RR} 19. Bd3 Bxd3 20. Qxd3 Ng4 21. Bd4 Bf6 22. Rae1 Bxd4+ 23. Nxd4 Ne5 24. Qe2
g6 25. Qe3 Rc5 26. Qe4 Rc4 27. Qc2 Qb6 28. b3 Rc7 29. Qd2 Re8 30. Re4 Qc5 31.
c4 Rce7 32. Ref4 Ng4 33. Kh1 Ne3 {Bagwe,G (2269)-Daakshin,A (2174)
Arandjelovac SRB 2023 1/2-1/2 (34)}) 19... Ng4 20. Bf4 Ne5 21. Rad1 Bf6 22. h3
h4 23. Rde1 Bh7 24. Nd4 Rc7 25. b3 Rc5 26. Nf3 Ng6 27. Bg5 Bxc3 28. Bxd8 Bxd2
29. Nxd2 Rxd8 30. Nc4 f6 31. Nxa5 Rc7 32. Rc1 Re7 33. Rc4 Ne5 34. Rxh4 Rc7 35.
Rd4 Bg6 36. Nc4 Bd3 37. Re1 Bxc4 38. Bxc4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Paniago, Lucio"]
[Black "Assad, Leonardo"]
[Result "0-1"]
[ECO "D75"]
[PlyCount "132"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. g3 Nxc3 7. bxc3 c5 8.
Bg2 O-O 9. O-O cxd4 10. cxd4 Nc6 11. Bb2 ({RR} 11. Rb1 Nxd4 12. Nxd4 Qxd4 13.
Qxd4 Bxd4 14. Bh6 Rd8 15. Bxb7 Rb8 16. Bxc8 Rbxc8 17. Rfc1 f6 18. Rxc8 Rxc8 19.
Rc1 Rxc1+ 20. Bxc1 Kf7 21. e4 Ke6 22. Kf1 Kd6 23. Ke2 Kc6 24. f3 e6 25. Kd3 Bc5
{Mamedyarov,S (2774)-Vachier Lagrave,M (2779) Stavanger NOR 2019 1/2-1/2 (31)})
11... Qb6 12. Qd2 ({RR} 12. Bc3 Bf5 13. e3 Rfd8 14. Qb3 Qxb3 15. axb3 Be4 16.
Rfc1 a6 17. Ne1 Bxg2 18. Kxg2 e5 19. dxe5 Nxe5 20. Bd4 Nc6 21. Bxg7 Kxg7 22.
Rc3 Rac8 23. Rac1 Ne7 24. Rc7 Kf8 25. Nf3 h6 26. Ne5 Ke8 {Manish Anto,C (2368)
-Mohylnyi,S (2120) Tegernsee GER 2023 1-0 (57)}) 12... Rd8 13. e3 Bf5 $146 ({RR
} 13... Na5 14. Bc3 Nc4 15. Qe2 Be6 16. Ng5 Rac8 17. Rab1 Qd6 18. Bxb7 Rc7 19.
Bg2 Bd5 20. Bb4 Qf6 21. Bxd5 Rxd5 22. Ne4 Qf5 23. Nc5 Nd6 24. e4 Nxe4 25. Nxe4
Rxd4 26. f3 a5 27. Be1 h5 28. Rb8+ {Kalaiyalahan,A (2149)-Putar,L (1894)
lichess.org INT 2020 1/2-1/2 (76)}) 14. Bc3 Be4 15. Qb2 Qa6 16. Rfd1 b6 17. Bf1
Qb7 18. Nd2 Bf5 19. Bg2 Qd7 20. Qb5 Rac8 21. Rac1 Bh3 22. Ba1 Bxg2 23. Kxg2 Qb7
24. f3 e6 25. Nb3 a6 26. Qe2 Nb4 27. a3 Nd5 28. e4 Nf6 29. Rc2 Rxc2 30. Qxc2
Rc8 31. Qd3 Rc6 32. Rc1 Rxc1 33. Nxc1 Qc6 34. Qc3 Qd7 35. Nd3 Ne8 36. Nb4 Nc7
37. Nc2 Nb5 38. Qc4 Qc7 39. Qxc7 Nxc7 40. Kf2 Kf8 41. Ke3 Ke8 42. Kd3 Kd7 43.
Nb4 Bf8 44. Nc2 Kc6 45. Kc4 b5+ 46. Kb3 a5 47. Bc3 Kb6 48. Ne3 h5 49. h3 Bh6
50. Nc2 Ne8 51. Ne1 Nd6 52. Nd3 Nc4 53. Ne5 Nxe5 54. dxe5 Be3 55. Kc2 Bc5 56.
Bb2 Bf2 57. g4 Kc5 58. Kd3 b4 59. f4 hxg4 60. hxg4 a4 61. f5 Be1 62. Bc1 Bc3
63. axb4+ Kxb4 64. Ba3+ Kb3 65. fxg6 fxg6 66. g5 Bxe5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Peixoto, Rudson"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 b6 3. Bc4 e6 4. Nc3 a6 5. a4 Bb7 6. O-O Nc6 ({RR} 6... Qc7 7.
Re1 Nc6 8. d4 Nxd4 9. Nxd4 cxd4 10. Qxd4 Nf6 11. Nd5 exd5 12. exd5+ Kd8 13. Bg5
Qd6 14. b4 h6 15. Bh4 Rc8 16. Bb3 Rg8 17. c3 Rxc3 18. Qxc3 Qxb4 19. Qxb4 Bxb4
20. Bxf6+ gxf6 21. Re4 {Costachi,M (2470)-Martin Duque,J (2378) chess.com INT
2022 0-1 (50)}) 7. Re1 ({RR} 7. d3 Nf6 8. e5 Ng4 9. Bf4 d5 10. exd6 Bxd6 11.
Bxd6 Qxd6 12. Ne4 Qc7 13. h3 h5 14. Re1 O-O-O 15. Qd2 Nge5 16. Nxe5 Nxe5 17.
Ba2 Kb8 18. a5 b5 19. Qe3 Nd7 20. c3 Qc6 21. Qf4+ Ka8 {Gunina,V (2505)
-Ponkratov,P (2591) Cheliabinsk 2017 1-0 (32)}) 7... Nge7 $146 ({RR} 7... Qc7
8. d3 Na5 9. Bg5 Nxc4 10. dxc4 Be7 11. Qd2 d6 12. Rad1 Rd8 13. Bxe7 Nxe7 14.
Re3 O-O 15. Rd3 f5 16. Ng5 Rf6 17. e5 Qc6 18. f3 Rg6 19. Rxd6 Rxd6 20. exd6 Nd5
21. cxd5 Qxd6 22. dxe6 {Smola,M (2063)-Sadzikowski,M (1941) Rabka Zdroj 2007
1-0}) 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Nc6 11. Qd1 Bc5 12. Be3 d6 13. Bxc5 dxc5
14. Qh5 g6 15. Qh6 Qd4 16. Bf1 O-O-O 17. Rad1 Qf6 18. a5 b5 19. Qe3 Qe7 20. e5
Nd4 21. Bd3 Nf5 22. Qe2 Rd4 23. Be4 Rhd8 24. g3 h5 25. f4 Qc7 26. Qf3 Rxd1 27.
Rxd1 Rxd1+ 28. Qxd1 Qxa5 29. Bxb7+ Kxb7 30. Qd7+ Qc7 31. Qe8 Kb6 32. Ne4 c4 33.
c3 Qc6 34. Qd8+ Ka7 35. Nd6 Nxd6 36. Qe7+ Nb7 37. Qxf7 Qe4 38. Qxe6 Qb1+ 39.
Kg2 Qxb2+ 40. Kh3 Qxc3 41. Qxg6 Qd3 42. Qf6 c3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Pereira, Mateus Oliveira"]
[Black "Pimentel, Lucas Santos"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "70"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O e5 7. dxe5 dxe5 8.
Nxe5 Qxd1 ({RR} 8... Nxe4 9. Nxe4 Bxe5 10. Bg5 Qxd1 11. Raxd1 Bf5 12. Bf3 Nd7
13. Ng3 Bxg3 14. hxg3 c6 15. g4 Be6 16. Rfe1 Nb6 17. b3 Rfe8 18. c4 f5 19. gxf5
Bxf5 20. g4 Bd7 21. Kg2 Rxe1 22. Rxe1 Re8 23. Rd1 {Lyrberg,P (2425)-Lagunow,A 
(2420) Bern 1996 1/2-1/2 (32)}) ({RR} 8... Nxe4 9. Nxe4 Bxe5 10. Bg5 Qxd1 11.
Raxd1 Nc6 12. c3 Be6 13. Nc5 Bxa2 14. Bf3 Bg7 15. Bf4 Ne5 16. Bxb7 Rab8 17.
Rfe1 Rfe8 18. h3 f5 19. b4 Bf7 20. Re3 h6 21. Bd5 Bxd5 22. Rxd5 Nc4 23. Red3 {
Zude,A (2333)-Stricker,F (2238) Tegernsee GER 2023 1-0}) 9. Rxd1 Nxe4 10. Nxe4
Bxe5 11. f4 $146 ({RR} 11. c3 Re8 12. Bf3 Na6 13. Bg5 Kg7 14. Rd2 Be6 15. h3 h6
16. Be3 c6 17. Be2 Nc7 18. Nc5 Rad8 19. Nxe6+ Nxe6 20. Rad1 Rxd2 21. Rxd2 Bf4
22. Rd7 Bxe3 23. fxe3 Nc5 24. Rc7 Kf6 25. b4 Ne4 {Krautwurst,J (1925)-Hatzl,S 
(1860) Graz 1998 1-0 (42)}) 11... Bg7 12. g4 Nc6 13. c3 Re8 14. Bf3 Bxg4 15.
Bxg4 Rxe4 16. Bf3 Re7 17. Bxc6 bxc6 18. Bd2 Re2 19. Bc1 Rb8 20. Rd7 Rb7 21. Rb1
Bxc3 22. Rd3 Bxb2 23. Bxb2 Rexb2 24. Rxb2 Rxb2 25. Rd7 Rb7 26. Kf1 Kf8 27. Ke2
Ke8 28. Rd2 Rb4 29. Ke3 c5 30. a3 Rb3+ 31. Rd3 c4 32. Rxb3 cxb3 33. Kd2 c5 34.
Kc3 c4 35. a4 a5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Peres, Wallafe"]
[Black "Bueno, Marcos Antonio"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. g4 d5 2. Bg2 Bxg4 3. c4 Nf6 4. Qb3 Bc8 5. cxd5 Na6 ({RR} 5... Nbd7 6. Qa4 g6
7. Nc3 Bg7 8. d3 O-O 9. Bf3 Nb6 10. Qb3 e5 11. Bg5 h6 12. Bh4 g5 13. Bg3 Re8
14. Be4 a5 15. a4 h5 16. h4 g4 17. f3 Bh6 18. fxg4 Nxg4 19. Nh3 f5 20. Bf3 {
Voith,W (2375)-Beckemeier,W (2375) Regensburg 1995 0-1}) ({RR} 5... c6 6. Nc3
g6 7. d4 Bg7 8. Bf4 cxd5 9. Nxd5 Nxd5 10. Bxd5 O-O 11. Bxb7 Bxb7 12. Qxb7 Qxd4
13. Qxa8 Qxf4 14. Nf3 Qb4+ 15. Kf1 Qxb2 16. Kg2 Qxe2 17. Rhe1 Qc4 18. Rac1 Qg4+
19. Kh1 Nd7 20. Qe4 {Omariev,M (2304)-Zozek,S (2208) chess.com INT 2023 0-1})
6. d4 $146 ({RR} 6. Nc3 Nc5 7. Qb5+ Nfd7 8. d4 a6 9. Qb4 a5 10. Qb5 Na6 11.
Qxa5 e6 12. Bf4 b6 13. Qb5 Bb7 14. Nf3 Nb4 15. O-O Ra5 16. Qc4 Nxd5 17. Bg3 Ba6
18. Qc6 Nxc3 19. bxc3 Bxe2 20. Rfe1 Bxf3 {Georgiou,A (1743)-Xydas,E Lefkosia
2010 1-0}) 6... g6 7. e4 Qd6 8. Bd2 e5 9. dxe5 Qxe5 10. Bc3 Qg5 11. Qb5+ Kd8
12. Nd2 Be7 13. e5 Qxg2 14. exf6 Bd6 15. O-O-O Qxh1 16. Re1 Qxh2 17. Ngf3 Qxf2
18. Re2 Qc5 19. Qb3 Nb4 20. Ne4 Bf4+ 21. Kd1 Qxd5+ 22. Qxd5+ Nxd5 23. Ne5 Nxc3+
24. Nxc3 Be6 25. Re4 Bxe5 26. Rxe5 Kd7 27. Kd2 Rad8 28. b4 Kc8+ 29. Ke2 Rhe8
30. Kf3 Rd3+ 31. Re3 Bg4+ 32. Kxg4 Rexe3 33. Nb5 a6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Pessoa, Marcio"]
[Black "Almeida Jr, Alvaro"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. e3 Nc6 5. c3 Qb6 6. b3 Bg4 7. Be2 e6 8. h3 Bh5
9. Nbd2 Rc8 ({RR} 9... Be7 10. Ne5 Bxe2 11. Qxe2 O-O 12. O-O Rac8 13. Rfc1 Rfd8
14. Ndf3 Ne4 15. Nxc6 bxc6 16. Nd2 Nf6 17. Be5 a5 18. dxc5 Qxc5 19. c4 Qa7 20.
Rab1 a4 21. b4 Nd7 22. Bg3 Bf6 23. b5 cxb5 24. cxb5 {Mohammed,D (2103)-Wagh,S 
(2341) chess.com INT 2023 1/2-1/2 (89)}) 10. O-O Be7 $146 ({RR} 10... Qa5 11.
c4 cxd4 12. Nxd4 Bg6 13. N2f3 Be7 14. Nxc6 bxc6 15. a3 c5 16. Ne5 O-O 17. Nxg6
hxg6 18. cxd5 Nxd5 19. Be5 c4 20. b4 Qb5 21. Qd4 Nb6 22. a4 Nxa4 23. Rfc1 Rfd8
24. Bxc4 Qxb4 25. Qxa7 {Yakubbaeva,N (2299)-Aditya,M (2496) Abu Dhabi UAE 2022
1/2-1/2}) 11. Re1 O-O 12. a3 cxd4 13. exd4 Na5 14. b4 Bxf3 15. Bxf3 Nc4 16.
Nxc4 Rxc4 17. Qd3 Rfc8 18. Rec1 Qc6 19. Bd2 Bd6 20. Qe3 Qd7 21. Be2 R4c7 22.
Bd3 Qe7 23. f4 Nd7 24. Rf1 Nb6 25. Qf3 g6 26. Rae1 Qf6 27. Qg4 h5 28. Qd1 Rxc3
29. Bxc3 Rxc3 30. Bb1 Bxf4 31. Rf3 Rxf3 32. Qxf3 Qxd4+ 33. Qf2 Qxf2+ 34. Kxf2
Nc4 35. g3 Bd6 36. Re2 Nxa3 37. Bxg6 Bxb4 38. Bxh5 Bc5+ 39. Ke1 b5 40. Rb2 b4
41. Bd1 a5 42. Ke2 Nb5 43. Kd3 Nc3 44. Bc2 a4 45. Bb1 a3 46. Rb3 Nxb1 47. Rxb1
a2 48. Ra1 b3 49. Kc3 Bd4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Pinheiro, Pedro"]
[Black "Marquezini, Paulo E"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "35"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 O-O 8.
e5 Bxc3+ 9. bxc3 Re8 10. O-O d5 11. exf6 g6 $146 ({RR} 11... dxc4 12. fxg7 Bg4
13. h3 Bh5 14. g4 Bg6 15. Bg5 Qd5 16. Bh6 Be4 17. Kg2 Re6 18. Bd2 Rf6 19. Kh2
Rxf3 20. Qe2 Bd3 21. Qe1 Bxf1 22. Qxf1 Ne5 23. h4 Nxg4+ 24. Kg2 Rxf2+ {0-1 (24)
Matschewsky,J (880)-Wittke,R (1438) Willingen 2003}) 12. Bb3 Na5 13. Bh6 Nxb3
14. Qxb3 c6 15. Bg7 b6 16. Qc2 Bf5 17. Qd2 Qd7 18. Qh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Proudian, Armen"]
[Black "Souza, Rafael Cabral"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d6 3. Nc3 b5 4. Bd3 g6 5. f4 Bg7 6. Nf3 a6 ({RR} 6... Nd7 7. e5
Nb6 8. O-O Nh6 9. a4 b4 10. Ne4 O-O 11. c4 Bg4 12. Nf2 Bf5 13. Bxf5 Nxf5 14. g4
Nh6 15. b3 f5 16. g5 Ng4 17. Nd3 c5 18. h3 h5 19. hxg4 fxg4 20. Nh4 cxd4 21.
Nxg6 {Anand,V (2797)-Caruana,F (2811) Zuerich 2015 1-0}) 7. Be3 ({RR} 7. e5 Nh6
8. O-O O-O 9. h3 f5 10. Be3 Nd7 11. a4 b4 12. Ne2 Nb6 13. a5 Nd5 14. Bf2 Nf7
15. Bc4 Be6 16. Qd3 Qc8 17. Bxd5 Bxd5 18. c4 bxc3 19. Nxc3 Qe6 20. Nxd5 Qxd5
21. Qc3 Rab8 {Shaun Deon Sequeira (1620)-Ramnathan,B (2001) Hyderabad IND 2023
1-0 (55)}) 7... Nd7 8. g4 $146 ({RR} 8. Qd2 Bb7 9. a3 Rc8 10. e5 d5 11. Ne2 e6
12. O-O Ne7 13. g4 f5 14. exf6 Nxf6 15. f5 exf5 16. gxf5 Ne4 17. Bxe4 dxe4 18.
f6 Bxf6 19. Ng5 Nf5 20. Nxe4 O-O 21. Nxf6+ Qxf6 22. b4 Qe6 {Frota,G-Asfora,M
Salvador 1973 1-0 (32)}) 8... Bb7 9. a4 Rc8 10. g5 e6 11. f5 exf5 12. exf5 gxf5
13. Nh4 c5 14. Rf1 Bxd4 15. Nxf5 Ne5 16. Ng7+ Ke7 17. Bxd4 cxd4 18. Ne4 Bxe4
19. Bxe4 Qa5+ 20. Kf2 d3 21. cxd3 Qb4 22. d4 Kf8 23. Nf5 Ne7 24. Kg1 Rg8 25. h4
N5g6 26. axb5 axb5 27. Ra7 Nxf5 28. Bxf5 Re8 29. Bxg6 Rxg6 30. Raxf7+ Kg8 31.
Qf3 Qxd4+ 32. Kg2 Kh8 33. Rxh7+ Kxh7 34. Qf7+ Qg7 35. Qxe8 Qb7+ 36. Kh2 Rg7 37.
Rf6 Re7 38. Qg6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Quintiliano, Renato"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nf3 e5 5. Bg5 f6 6. Be3 Nh6 7. Nc3 ({RR} 7. Be2
Nc6 8. d5 Ne7 9. Nfd2 f5 10. f3 c5 11. Nc3 Nf7 12. h4 h5 13. g4 hxg4 14. fxg4
Bf6 15. Bf2 Ng8 16. h5 f4 17. Qc2 gxh5 18. gxh5 Ngh6 19. O-O-O Ng4 20. Bxg4
Bxg4 21. Rdg1 Nh6 {Buhmann,R (2561)-Nakamura,H (2697) Mainz 2008 0-1 (41)})
7... O-O 8. h3 Nf7 9. Be2 Na6 $146 ({RR} 9... Nd7 10. Qc2 Re8 11. O-O-O c6 12.
g4 Bh6 13. Bxh6 Nxh6 14. Qd2 Kg7 15. Rdg1 Nf8 16. d5 g5 17. h4 Nf7 18. h5 c5
19. Ne1 a6 20. Nc2 Bd7 21. Na3 Qc7 22. Kb1 Reb8 23. Bd3 Qa5 24. Qe2 {Niemann,H
(2298)-Brooks,M (2410) Saint Louis 2016 1/2-1/2 (81)}) 10. O-O f5 11. dxe5 dxe5
12. Qxd8 Rxd8 13. Rad1 f4 14. Bc1 Be6 15. b3 c6 16. Na4 Bf6 17. Bb2 Kg7 18. Bc3
h5 19. c5 g5 20. Ba5 Rh8 21. Nh2 Rh7 22. f3 Be7 23. Rc1 Rhh8 24. Rfd1 Rac8 25.
Nf1 Rh6 26. b4 Nb8 27. Bc4 Kf6 28. Nd2 Rg6 29. Kf2 Rcg8 30. Bc7 g4 31. hxg4
hxg4 32. Rg1 Na6 33. Ba5 Bxc4 34. Nxc4 Ke6 35. Nd2 Nb8 36. Bc7 Nd7 37. Rc3 Nf6
38. Rf1 gxf3 39. gxf3 Rg2+ 40. Ke1 Ne8 41. Ba5 Rh2 42. Rd3 Rgg2 43. Nc3 b6 44.
cxb6 axb6 45. Bxb6 Bxb4 46. Bf2 Ng5 47. Ncb1 c5 48. a3 c4 49. Rd8 Nxf3+ 50. Ke2
Nxd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Ribeiro, Matheus D"]
[Black "Nunes, Gustavo Morais"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "103"]
[EventDate "2021.??.??"]

1. c4 {Michel,P} Nf6 2. Nc3 e6 3. e4 d6 4. d4 e5 5. dxe5 ({RR} 5. Nf3 Nbd7 6.
Be2 Be7 7. O-O O-O 8. Be3 c6 9. d5 a6 10. Nd2 cxd5 11. cxd5 b5 12. b4 Nb6 13.
a4 bxa4 14. Nxa4 Nxa4 15. Qxa4 Bd7 16. Qa5 Qxa5 17. Rxa5 Rfb8 18. Rb1 Bb5 19.
Bxb5 Rxb5 {Sarana,A (2640)-Koellner,R (2412) chess.com INT 2020 1-0 (37)}) ({RR
} 5. Nf3 Nbd7 6. h3 c6 7. Be3 Qc7 8. Be2 g6 9. O-O Bg7 10. Qd2 h6 11. Rad1 a5
12. c5 exd4 13. Nxd4 Nxc5 14. Ndb5 cxb5 15. Nxb5 Qc6 16. Nxd6+ Kf8 17. Bb5
Nfxe4 18. Bxc6 Nxd2 19. Rxd2 bxc6 {Suvorov,L (2293)-Balague Camps,M (2207)
chess.com INT 2023 1/2-1/2 (61)}) 5... dxe5 6. Qxd8+ Kxd8 7. Bg5 c6 $146 ({RR} 
7... Be6 8. f4 exf4 9. Nf3 Nbd7 10. e5 h6 11. Bh4 g5 12. Nxg5 hxg5 13. Bxg5 Rh5
14. Bxf6+ Nxf6 15. exf6 Re5+ 16. Be2 c6 17. O-O-O+ Kc7 18. g3 Bh6 19. gxf4
Bxf4+ 20. Kc2 Re8 21. Bd3 Rh8 22. Ne2 {Eliskases,E-Engels,L Bad Nauheim 1935
HCL [Michel,P] 0-1 (51)} {RR} Bxh2 23. Nd4) 8. O-O-O+ Kc7 9. Nf3 Nbd7 10. a3 a5
11. Rd2 Bd6 12. Bd3 Re8 13. Rhd1 b6 14. Bc2 Bf8 15. Re2 Ng8 16. Be3 Bc5 17.
Bxc5 Nxc5 18. b4 axb4 19. axb4 Nb7 20. Red2 f6 21. b5 Nc5 22. bxc6 Ra1+ 23. Kb2
Rxd1 24. Rxd1 Ne7 25. Nb5+ Kxc6 26. Rd6+ Kb7 27. Rxf6 gxf6 28. Nd6+ Kc6 29.
Nxe8 Ng8 30. Ng7 b5 31. cxb5+ Kxb5 32. Kc3 Bb7 33. Nf5 Kb6 34. Nd2 Bc8 35. Ne3
Be6 36. Nd5+ Kc6 37. Ne3 Kd6 38. f3 Ke7 39. Bb3 Nh6 40. g3 Bxb3 41. Nxb3 Ne6
42. h4 Ng7 43. g4 Ne6 44. Nd2 Nf4 45. Nd5+ Nxd5+ 46. exd5 f5 47. g5 Ng8 48. Nc4
Kd7 49. Nxe5+ Kd6 50. Kd4 Ne7 51. Nc4+ Kd7 52. h5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Rocha, Vitor Firmo"]
[Black "Nemeth Jr, Henrique"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "123"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3
b6 9. Be2 Bb7 10. O-O Be7 11. Be3 Ne5 12. f4 Ned7 13. Bf3 O-O 14. Qe2 Qc7 15.
Rac1 Rac8 16. g4 h6 ({RR} 16... Qb8 17. g5 Ne8 18. Bg2 g6 19. Bh3 Ng7 20. f5
exf5 21. exf5 gxf5 22. Rxf5 Nxf5 23. Bxf5 Ne5 24. Qh5 Ng6 25. Bd4 Rfe8 26. Rf1
Bf8 27. Bxc8 Qxc8 28. Rxf7 Kxf7 29. Qxh7+ Ke6 30. Qxg6+ Kd7 31. Qf5+ {Chandler,
M (2535)-Quinteros,M (2510) Vienna 1986 1/2-1/2 (63)}) 17. h4 Nc5 ({RR} 17...
Nh7 18. g5 hxg5 19. hxg5 e5 20. Nd5 Qd8 21. g6 fxg6 22. Bg4 Bxd5 23. exd5 Rb8
24. Be6+ Kh8 25. Qh2 exf4 26. Bxf4 Ne5 27. Kg2 Rxf4 28. Rxf4 Bg5 29. Rh1 Bh6
30. Qg3 Qe7 31. Nc2 Bxf4 32. Qxf4 {Nurkiewicz,M (2370)-Butkiewicz,L (2449)
Poland POL 2018 0-1 (42)}) 18. Qg2 d5 19. e5 $146 ({RR} 19. exd5 exd5 20. g5
hxg5 21. hxg5 Nd3 22. gxf6 Bxf6 23. Bxd5 Nxc1 24. Ne4 Bh4 25. Bxb7 Ne2+ 26.
Qxe2 Qxb7 27. Nd6 Qd7 28. Nxc8 Rxc8 29. Rd1 Qh3 30. Bxb6 Qg3+ 31. Qg2 Qxf4 32.
Bd4 g6 33. Nc2 Re8 {Geller,E (2500)-Franzoni,G (2390) Bern 1987 1-0 (38)})
19... Nfe4 20. cxd5 exd5 21. b4 d4 22. Nxe4 Bxe4 23. Bxe4 dxe3 24. bxc5 Bxc5
25. Qe2 Rfd8 26. Nc4 Rd4 27. Bb1 Rcd8 28. Nxe3 Qc6 29. Qg2 Qa4 30. Rxc5 bxc5
31. Qc2 Qxc2 32. Bxc2 Rb8 33. Bb3 Re4 34. Nc4 Rb4 35. Nd6 Rxf4 36. Bxf7+ Kf8
37. Bc4 Rxf1+ 38. Kxf1 g6 39. Kg2 Ke7 40. Kf3 Rb2 41. Kf4 Rf2+ 42. Kg3 Rd2 43.
h5 gxh5 44. gxh5 Rc2 45. Kf4 Rh2 46. Bf7 c4 47. Bxc4 Rh4+ 48. Kf3 Rxh5 49. Ke4
Rh2 50. Nf5+ Ke8 51. e6 Rb2 52. Ke5 h5 53. Kf6 Rb6 54. Kg7 Rb7+ 55. Kg6 Rb6 56.
Kxh5 Kf8 57. Kg6 Rc6 58. Bd5 Rb6 59. Kf6 a5 60. a4 Ra6 61. Bc4 Rc6 62. Bd3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Rodrigues, Edgar"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. O-O Be7 8.
Kh1 O-O 9. f4 a6 10. Be3 Bd7 11. Qe1 b5 12. a3 Qb8 13. Rd1 b4 14. axb4 Qxb4 15.
Bf3 Rac8 16. Nxc6 ({RR} 16. e5 dxe5 17. Bxc6 exd4 18. Bxd7 Nxd7 19. Bxd4 Bf6
20. Bxf6 Nxf6 21. Rb1 a5 22. Qe2 Rfd8 23. Qa6 h5 24. Rbd1 h4 25. Rd3 Ra8 26.
Qc6 Qxb2 27. Ne4 Rdc8 28. Nxf6+ Qxf6 29. Qe4 Rab8 30. Rd7 Rb4 {Nisipeanu,L 
(2592)-Anand,V (2762) Bastia 2000 0-1 (34)}) 16... Bxc6 17. Bd4 Qb7 $146 ({RR} 
17... a5 18. Rf2 Qb8 19. b3 Rfe8 20. Rfd2 e5 21. Be3 Qb4 22. Re2 Bb7 23. Bd2
Qc5 24. Nd5 Bxd5 25. exd5 Qxc2 26. fxe5 dxe5 27. Bg5 Qc5 28. d6 Bxd6 29. Bxf6
gxf6 30. Qh4 f5 31. Qg5+ Kh8 32. Qxf5 {Plat,V (2548)-Kosiorek,M (2238)
Pardubice CZE 2019 1-0 (41)}) 18. Qg3 g6 19. Rfe1 Ne8 20. Qh3 Bf6 21. e5 Bxf3
22. gxf3 dxe5 23. fxe5 Be7 24. Ne4 Rxc2 25. Bc3 Ng7 26. Rd6 Nh5 27. Rg1 Kh8 28.
Rgd1 Qb5 29. Rd7 Rc1 30. Rxc1 Qxd7 31. Qf1 Qb7 32. Ra1 Ra8 33. Ra4 Kg8 34. Qc1
Rd8 35. Rd4 Qb6 36. Qd2 Rxd4 37. Bxd4 Qd8 38. Qe3 Ng7 39. Bc5 Qd1+ 40. Kg2 Nf5
41. Qc3 Qe2+ 42. Bf2 Nh4+ 43. Kg3 h5 44. Nd6 Qf1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Romais, Rodrigo"]
[Black "Medeiros, Fabricio"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Bc5 5. d4 ({RR} 5. Qe2 O-O 6. g3 dxe4 7.
Nxe4 Be7 8. Bg2 Nbd7 9. O-O e5 10. Nxf6+ Bxf6 11. Re1 Re8 12. Bd2 Nf8 13. Bc3
Ng6 14. Nd2 c6 15. Ne4 Be7 16. a4 Be6 17. a5 Qc7 18. h4 h6 19. h5 Nf8 {
Miroshnichenko,E (2571)-Shipov,S (2589) bereg.ru Int 2003 0-1 (58)}) 5... Bb6
6. e5 Nfd7 7. Bd3 ({RR} 7. c3 O-O 8. Bd3 f6 9. h4 fxe5 10. Bxh7+ Kxh7 11. Ng5+
Kg8 12. Nxe6 Qf6 13. Nxf8 Qxf8 14. Nf3 e4 15. Ng5 Nf6 16. Be3 Bg4 17. Qb3 Nc6
18. f3 exf3 19. gxf3 Bh5 20. O-O-O Re8 21. Bd2 Bg6 {wagnerovsky (2316)
-mamendez (1997) lichess.org 2020 1-0 (72)}) 7... h6 $146 ({RR} 7... c5 8. c3
Nc6 9. Qa4 O-O 10. O-O f6 11. Bb5 Qc7 12. exf6 Nxf6 13. Bxc6 bxc6 14. Ne5 cxd4
15. cxd4 c5 16. Ndf3 cxd4 17. Bf4 Ne4 18. Rfe1 Qe7 19. Nc6 Qe8 20. Be5 Bd7 21.
Nfxd4 Rc8 22. f3 {Bindzus,E (1916)-Svane,H (2093) Fredericia 2013 0-1}) 8. c3
O-O 9. O-O f6 10. exf6 Nxf6 11. Ne5 Nbd7 12. Ndf3 Nxe5 13. Nxe5 c5 14. Be3 cxd4
15. cxd4 Nd7 16. f4 Qh4 17. Ng6 Qf6 18. Nxf8 Kxf8 19. Bc2 Kg8 20. Qd3 Bc7 21.
Rf3 b6 22. Rg3 a5 23. Qh7+ Kf7 24. Rg6 Ba6 25. Rxf6+ Nxf6 26. Qg6+ Kg8 27. f5
exf5 28. Bxh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Santanna, Paulo"]
[Black "Bisesar, Maycon"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. f4 Bg7 5. Nf3 O-O 6. e5 dxe5 7. fxe5 Nd5 8. Bc4
c6 9. O-O Bg4 ({RR} 9... Bf5 10. Ng5 h6 11. Nge4 Be6 12. Nc5 Nxc3 13. Nxe6 Nxd1
14. Nxd8 Rxd8 15. Bxf7+ Kh7 16. Rxd1 Bxe5 17. c3 Bf6 18. Bf4 Nd7 19. a4 Nb6 20.
a5 Nd5 21. Bg3 a6 22. Ra3 Ne3 23. Rd3 Nf5 24. Bc7 {Shirov,A (2662)-Naroditsky,
D (2621) chess.com INT 2020 0-1 (58)}) 10. Ne4 ({RR} 10. h3 Bxf3 11. Qxf3 e6
12. Bb3 Ne7 13. Be3 Nf5 14. Rad1 Nxe3 15. Qxe3 Nd7 16. Ne4 Qb6 17. Qf2 Rad8 18.
Nd6 Nxe5 19. dxe5 Qxf2+ 20. Rxf2 Bxe5 21. Rfd2 Bf4 22. Rd3 b5 23. Ne4 Be3+ 24.
Kf1 Bb6 {Hnydiuk,A (2350)-Jimenez Fernandez,R (2039) chess.com INT 2023 1-0})
10... Qb6 11. Kh1 f5 $146 ({RR} 11... Na6 12. c3 Rad8 13. Qe2 Nac7 14. Nc5 a5
15. h3 Bf5 16. a4 Qa7 17. Nh2 Nb6 18. Bb3 Nd7 19. Nxd7 Rxd7 20. Ng4 Qb6 21. Bc4
Bxg4 22. Qxg4 e6 23. b3 Nd5 24. Qg3 Rc8 25. Ba3 Bf8 26. Bxf8 {Stejskal,P (1950)
-Pinc,M (2115) Klatovy 2001 0-1 (49)}) 12. Neg5 Nd7 13. Ne6 Rf7 14. Nxg7 Rxg7
15. Bh6 e6 16. Bxd5 cxd5 17. Bxg7 Kxg7 18. h3 Bh5 19. a4 Rf8 20. Ra3 Qd8 21. a5
f4 22. Rb3 b6 23. axb6 Nxb6 24. Ra3 Nc4 25. Rxa7+ Kg8 26. Qd3 Ne3 27. Rf2 Bxf3
28. Rxf3 Qg5 29. Qd2 Nc4 30. Qb4 Ne3 31. g4 Qh4 32. Kg1 Nxc2 33. Qd2 Ne3 34.
Qf2 Qd8 35. Rxf4 Nc4 36. Rxf8+ Qxf8 37. Qxf8+ Kxf8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Santiago, Yago"]
[Black "Cunha, Lucas Aguiar"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g4 a6 7. Be3 Nge7 ({RR
} 7... Nxd4 8. Qxd4 b5 9. O-O-O Bb7 10. f3 Rc8 11. Qd2 Bb4 12. Kb1 Bxc3 13.
bxc3 Nf6 14. g5 Nh5 15. Bh3 Qxc3 16. Qxd7+ Kf8 17. Qd6+ Ke8 18. Bd4 Qc6 19. Qa3
Nf4 20. Bxg7 Rg8 21. Bf6 Qc7 22. Rd2 {Nepomniachtchi,I (2793)-Harikrishna,P 
(2705) Almaty KAZ 2022 1/2-1/2 (54)}) 8. f4 ({RR} 8. Nb3 Ng6 9. Qd2 h5 10. g5
Bd6 11. h4 Bf4 12. O-O-O b5 13. Kb1 Bxe3 14. Qxe3 O-O 15. Be2 Nf4 16. Bf3 b4
17. Ne2 Nxe2 18. Bxe2 g6 19. f4 d5 20. e5 Ne7 21. Nd4 a5 22. Bxh5 gxh5 {
Krysa,L (2538)-Jaskolka,T (2238) chess.com INT 2023 1-0 (66)}) 8... Ng6 $146 ({
RR} 8... Nxd4 9. Qxd4 Nc6 10. Qb6 Qxb6 11. Bxb6 Bb4 12. O-O-O Ke7 13. a3 Bxc3
14. Bc5+ Ke8 15. bxc3 f6 16. h4 Kf7 17. g5 Rd8 18. Bb6 Re8 19. Bc4 d5 20. exd5
exd5 21. Rxd5 Be6 22. Rd7+ Re7 23. Bxe6+ {Bernadskiy,V (2594)-Martin Duque,J 
(2425) chess.com INT 2021 1-0}) 9. Nxc6 bxc6 10. Qd2 Rb8 11. Rb1 Be7 12. e5 f6
13. exf6 Bxf6 14. Bd3 d5 15. g5 Be7 16. Bxg6+ hxg6 17. Bd4 Bd6 18. Qd3 O-O 19.
Qxg6 e5 20. Qh5 exd4 21. g6 Rxf4 22. Qh7+ Kf8 23. Qh8+ Ke7 24. Qxg7+ Kd8 25.
Qh8+ Bf8 26. Ne2 Qe7 27. Rg1 Bg4 28. Rg2 Re4 29. Kf1 Bxe2+ 30. Kg1 Bf3 31. g7
Re1+ 32. Kf2 Qe2+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Santos, Jarlison"]
[Black "Olivo, Anibal"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "115"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. O-O d6 7. h3 Na5 8. Bb3
Nxb3 ({RR} 8... c6 9. Na4 Bb6 10. Nxb6 axb6 11. c3 Nxb3 12. Qxb3 Be6 13. Qc2
Nd7 14. b3 O-O 15. d4 f5 16. dxe5 dxe5 17. c4 Qf6 18. Bb2 fxe4 19. Qxe4 Bxh3
20. Nxe5 Bf5 21. Qe3 Nxe5 22. Bxe5 Qg6 23. Rfd1 {Gretarsson,A (2355)-Almasi,Z 
(2610) Kopavogur 1994 1/2-1/2}) 9. axb3 a6 10. Ne2 ({RR} 10. Na4 Ba7 11. Be3
Be6 12. Bxa7 Rxa7 13. Nc3 O-O 14. b4 Ra8 15. b5 axb5 16. Rxa8 Qxa8 17. Nxb5 Qa5
18. c4 Bd7 19. Na3 Ra8 20. Qe2 b5 21. cxb5 Bxb5 22. Nxb5 Qxb5 23. Rb1 Ra4 24.
Qc2 c5 {Lema,B-Rawan,E (1546) chess.com INT 2021 0-1 (67)}) 10... O-O 11. Ng3
$146 ({RR} 11. c3 Bb6 12. Ng3 Re8 13. b4 Be6 14. Kh1 Qd7 15. c4 Bxh3 16. gxh3
Qxh3+ 17. Nh2 Bxf2 18. Rxf2 Qxg3 19. Bxh6 Qxf2 20. Bg5 Nh7 21. Qg1 Qxg1+ 22.
Rxg1 Nxg5 23. Rxg5 f6 24. Rg3 Kf7 25. Kg2 Rh8 {Jurcius,M (1547)-Liutvinas,L 
(1629) Panevezys 2015 0-1 (35)}) 11... Ba7 12. b4 b5 13. Re1 c6 14. c3 Re8 15.
Be3 Qc7 16. Qd2 Bxe3 17. Qxe3 a5 18. Ra3 a4 19. b3 Be6 20. bxa4 Rxa4 21. Rxa4
bxa4 22. Ra1 Ra8 23. Ra3 Nd7 24. Nd2 c5 25. b5 Nb6 26. c4 g5 27. Ne2 f5 28. Nc3
fxe4 29. Qxe4 Kg7 30. Nf1 Qd7 31. Ne3 Qe8 32. Ned5 Bxd5 33. Nxd5 Nxd5 34. Qxd5
Qb8 35. Qc6 Ra7 36. b6 Ra6 37. Rxa4 Rxa4 38. Qxa4 Qxb6 39. Qd7+ Kg6 40. Qe6+
Kg7 41. Qf5 Qc7 42. Qe6 Qd8 43. f3 Qf6 44. Qd7+ Kg6 45. Kf2 h5 46. g3 Kh6 47.
Ke3 h4 48. Qg4 hxg3 49. Qxg3 Kg6 50. Qg4 Kh6 51. Ke4 Kg6 52. h4 Qf4+ 53. Qxf4
exf4 54. hxg5 Kxg5 55. d4 cxd4 56. Kxd4 Kh4 57. Kd5 Kg3 58. Ke4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Santos, Matheus Garcett"]
[Black "Abrantes, Tiago Garrido"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. c3 d6 8. d4
O-O 9. h3 Bb7 ({RR} 9... exd4 10. cxd4 Re8 11. O-O Bf8 12. Bg5 h6 13. Bxf6 Qxf6
14. Bd5 Bd7 15. Rc1 Nxd4 16. Nxd4 Qxd4 17. Bxa8 Rxa8 18. Rxc7 Be6 19. Na3 Re8
20. Rd1 Qe5 21. Ra7 b4 22. Nc2 Qc5 23. Rb7 a5 24. Rb5 {Chernomordik,P (2131)
-Azarov,S (2582) chess.com INT 2023 0-1 (44)}) 10. d5 $146 ({RR} 10. O-O Nd7
11. Rd1 Bf6 12. a4 exd4 13. cxd4 b4 14. a5 Qe7 15. Bd5 Nd8 16. Qc2 c5 17. Bxb7
Nxb7 18. d5 Ne5 19. Nxe5 Bxe5 20. Nd2 Rfe8 21. Nf3 Bf6 22. Re1 Qc7 23. Ra4 Nxa5
24. Rxb4 Rab8 {Vouldis,A (2425)-Dervishi,E (2310) Aegina 1995 1-0 (37)}) ({RR} 
10. O-O Re8 11. Nbd2 Bf8 12. Re1 h6 13. Qd1 g6 14. a4 Bg7 15. Nh4 d5 16. exd5
Nxd5 17. Nhf3 Na5 18. dxe5 Nf4 19. Bc2 Nd3 20. Bxd3 Qxd3 21. Re3 Qd5 22. Qe2
Nc6 23. axb5 axb5 24. Rxa8 Bxa8 {Mamedov,R (2646)-Vidit,S (2710) Shusha AZE
2022 0-1 (74)}) 10... Nb8 11. Bg5 Nbd7 12. Bxf6 Nxf6 13. g4 c6 14. dxc6 Bxc6
15. Nbd2 Qc7 16. O-O-O a5 17. h4 b4 18. c4 a4 19. Bc2 Qb7 20. Nh2 b3 21. axb3
axb3 22. Bb1 d5 23. exd5 Bxd5 24. g5 Rfc8 25. gxf6 Bxc4 26. Nxc4 Ra4 27. Bd3
Ra1+ 28. Bb1 Ra4 29. Bd3 Ra1+ 30. Bb1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Santos, Wenesley"]
[Black "Cicuto, Marcelo Cezar"]
[Result "1/2-1/2"]
[ECO "D93"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. d4 {Mikhalchishin,A} Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Nf3 c5
7. dxc5 Nc6 ({RR} 7... Ne4 8. Rc1 ({RR} 8. Be5 Nxc3 ({RR} 8... Bxe5 9. Nxe5
Nxc3 10. bxc3 Qa5 ({RR} 10... Qc7 11. Qd4 f6 12. Nf3 Nc6 13. Qxd5+ Kg7 14. Qd2
e5 15. Be2 Na5 16. O-O Be6 17. Qb2 Qxc5 18. Nd2 Qc7 19. Qb4 Rac8 20. Rfd1 b6
21. c5 Qxc5 22. Ba6 Rc7) 11. Qd4 f6 12. Nf3 Nc6 13. Qxd5+ ({RR} 13. Qd2 dxc4
14. Qd5+ ({RR} 14. Bxc4+ Kg7 15. O-O Qxc5 16. Bb3) 14... Kg7 15. Rc1 ({RR} 15.
Qxc4 Be6) 15... Qxa2 ({RR} 15... Qa3 16. Rc2 Bf5 17. e4 Rfd8 18. Qxc4 Bg4 19.
Be2) 16. Bxc4 Qa5 ({RR} 16... Qa3 17. O-O e6 18. Qe4 Qxc5 19. Bxe6 Re8 20. Qd5)
17. h4 ({RR} 17. Nd4 Ne5 18. c6 Qxd5 19. Bxd5 bxc6 20. Bxc6 Nxc6 21. Nxc6 Bb7)
({RR} 17. O-O) 17... Qd8 18. h5 ({RR} 18. Qe4 Bf5 19. Qf4 e5 20. Qg3 h5) 18...
Qxd5 19. Bxd5 Rd8 20. e4 a5 21. Rb1 a4 22. h6+ Kf8 23. Nh4 Ra5 24. Rd1 ({RR} 
24. Nxg6+ hxg6 25. h7 Kg7 26. Bxc6 bxc6 27. h8=Q+ Rxh8 28. Rxh8 Kxh8 29. Rb8 a3
) 24... Re8 25. f4 Rxc5) 13... Kg7 14. Qd2 Qxc5 ({RR} 14... Rd8 15. Qb2 Qxc5)
15. Qb2 Be6 16. Nd4 Bxc4 17. Bxc4 Qxc4 18. Qb3 Qxb3 19. axb3 Rfc8 20. Kd2 Kf7
21. Rhc1 e5 22. Nxc6) 9. Bxc3 ({RR} 9. bxc3 dxc4 10. Qxd8 Rxd8 11. Bxc4 Nc6 12.
Bxg7 Kxg7 13. Nd4 Bd7 14. Be2 Rac8 15. O-O Ne5 16. Rfb1 Rc7 17. h3 Be8) 9...
Bxc3+ 10. bxc3 Qa5 11. cxd5 Qxc3+ 12. Nd2 Qxc5 13. e4) 8... Nd7 ({RR} 8... Nxc3
9. bxc3 Qa5 10. Qb3 dxc4 11. Bxc4 Qxc5 12. Rd1 Nc6 13. Rd5 Qb6 14. Rb5 Qd8 15.
Ng5 e6 16. Ne4 Na5 17. Qb4 Nxc4 18. Qxc4 b6 19. Bg5 f6 20. Bf4 Qd7 21. Rb4 Bb7
22. O-O Rac8 23. Qe2) 9. cxd5 Qa5 ({RR} 9... Ndxc5 10. Be5 Nxc3 11. bxc3 f6 ({
RR} 11... Bxe5 12. Nxe5 Bf5 13. Bc4 Qc7 14. Qd4 Rad8 15. O-O Rd6 16. Ng4 Bxg4
17. Qxg4 Rc8) 12. Bg3 Bd7 13. Bc4 Rc8 14. O-O Ne4 15. Bb3 Kh8 16. c4 Qb6 17.
Qd4 Nxg3 18. hxg3 Rc5 19. Ne1 f5 20. Qd2 Rc7 21. Nd3 Qf6 22. Rfd1 b6 23. a4 Rb8
24. Nb4) 10. Nd4 Nxc3 11. bxc3 Qxa2 ({RR} 11... Nxc5 12. Bc4 e5 ({RR} 12... Bd7
13. O-O Na4 ({RR} 13... Rac8 14. Bb3 Nxb3 15. Qxb3 b5 16. Bg5 Rfe8 17. f4 Rc4
18. f5 Qb6 19. Rb1 Qc5 20. fxg6 hxg6 21. Qd1 Qxd5) 14. Qb3 Nb6 15. Bb5 Bxd4 16.
Bxd7 Bg7 17. Bb5 a6 18. Be2 Nxd5 19. c4 Nxf4 20. exf4 b6 21. Rfd1 Rad8) 13.
dxe6 Bxe6 14. Bxe6 Nxe6 15. Nxe6 Bxc3+ 16. Kf1 ({RR} 16. Ke2 fxe6 17. Qb3 Qa6+
18. Kf3 Be5 19. h4 Rf7 20. Qc4 Bxf4 21. exf4 b5) 16... fxe6 17. Qb3 Qa6+ 18.
Kg1 Bf6 19. h3 Rad8 20. Kh2 Rd2 ({RR} 20... Rd3 21. Qb1 Rd2) 21. Rc2 Rxc2 22.
Qxc2 Qc6 23. Qxc6 bxc6 24. Rc1 Rc8 25. Bd6 Kf7 26. Kg3) 12. c6 ({RR} 12. Qb3
Qxb3 13. Nxb3 a5 14. c6 Nf6 15. d6 bxc6 16. dxe7 Re8 17. Nd4 Bd7 18. Bd6 Ne4
19. Ba3 c5 20. Bd3 Rxe7 21. Bxe4 Rxe4 22. Bxc5 Rc8 23. Ba3 f5 24. g3 g5 25. Kd2
Rce8 26. Rhe1 f4) 12... Nc5 13. Be2 ({RR} 13. c4 Ne4 14. Qc2 Qa5+ 15. Ke2 Nc5
16. cxb7 Bxb7 17. f3 e5 18. dxe6 Nxe6 19. Nxe6 fxe6 20. Bd6 Rfd8 21. c5 Rac8
22. Rd1 Bd5) 13... Qxd5 14. Bf3 ({RR} 14. O-O e5 15. Bf3 Qd6 16. cxb7 Bxb7 17.
Bxb7 Nxb7 18. Bg3 a5 19. c4 a4) 14... Qc4 ({RR} 14... Qa2 15. O-O e5 16. Bg3 a5
17. c4 exd4 18. Bd6) 15. Be2 Qd5 16. Bf3 Qc4 17. Be2 Qd5 {1/2-1/2 (17)
Ivanchuk,V (2757)-Gelfand,B (2740) London 2013 CBM 154 [Mikhalchishin,A]}) 8.
Rc1 $146 ({RR} 8. cxd5 Qa5 9. dxc6 Ne4 10. Be5 Rd8 11. Qa4 Qxc5 12. Qxe4 Bf5
13. Qc4 Qb6 14. Qb5 Bxe5 15. Nxe5 Qc7 16. Bc4 a6 17. Qxb7 Qxe5 18. c7 Rdc8 19.
O-O Qxc7 20. Qxc7 Rxc7 21. Bb3 a5 22. Rfd1 Rb8 {Guseynov,A (2312)-Orantes
Taboada,F (2247) chess.com INT 2020 1-0 (64)}) 8... Bf5 9. Be2 Qa5 10. O-O dxc4
11. Bxc4 Rad8 12. Qb3 e6 13. Qb5 Rd7 14. Qxa5 Nxa5 15. Bb5 Nc6 16. Rfd1 Rfd8
17. Rxd7 Rxd7 18. Rd1 Rxd1+ 19. Nxd1 Ne4 20. Bxc6 bxc6 21. b4 Nc3 22. Nxc3 Bxc3
23. a3 Bd3 24. Be5 Bxe5 25. Nxe5 Bb5 26. f4 Kf8 27. Kf2 Ke7 28. e4 f6 29. Nf3
h6 30. Ke3 g5 31. g3 g4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Setti, Eduardo"]
[Black "Passos, Rafael Moreira"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. h3 Nf6 4. Bd3 Nbd7 5. c3 b6 6. Bc2 Bb7 7. d3 ({RR} 7. Qe2
Rc8 8. O-O Qc7 9. d3 e6 10. Re1 Be7 11. Nbd2 O-O 12. Nf1 Qb8 13. Bf4 Rfe8 14.
Ne3 Qa8 15. Bh2 Bf8 16. Rad1 e5 17. Bb3 d5 18. exd5 Nxd5 19. Ng5 N7f6 20. Ng4
Rc7 21. Bxe5 h6 {Bortnyk,O (2598)-Xiong,J (2709) chess.com INT 2020 0-1 (35)})
({RR} 7. Qe2 Qc7 8. O-O Rc8 9. Na3 a6 10. d3 e6 11. Bf4 Be7 12. Rfe1 e5 13. Bg5
h6 14. Be3 O-O 15. Rad1 Rfe8 16. Bb3 b5 17. Nh4 d5 18. exd5 Nxd5 19. Nf5 Bf8
20. Qg4 Kh8 21. Bc1 N7f6 {Nikulina,A (1844)-Almagro Mazariegos,S (2258) chess.
com INT 2023 0-1 (46)}) 7... Qc7 8. Be3 $146 ({RR} 8. Nbd2 Rc8 9. O-O g6 10.
Re1 Bg7 11. Nf1 O-O 12. a4 a6 13. Ng3 Ne5 14. Nxe5 dxe5 15. Be3 Rfd8 16. Qc1
Nd7 17. Bh6 Bf6 18. Nf1 Nf8 19. Ne3 Ne6 20. Ng4 Bh8 21. Be3 b5 22. axb5 axb5 {
Napoleao,L (1807)-Michailov,M (2263) chess.com INT 2020 1-0 (80)}) 8... e6 9.
Nbd2 d5 10. d4 Nxe4 11. Nxe4 dxe4 12. Nd2 Nf6 13. O-O Bd6 14. Bg5 Be7 15. dxc5
e3 16. Bxe3 Bxc5 17. Ba4+ Ke7 18. Bxc5+ Qxc5 19. b4 Qd5 20. Nf3 Qxd1 21. Raxd1
Rhd8 22. Nd4 Rac8 23. Rfe1 Rd5 24. Bb3 Rg5 25. f3 Rxc3 26. h4 Rg6 27. Nf5+ Kf8
28. Rd8+ Ne8 29. Nd6 Bc6 30. Nxe8 Ke7 31. Rc8 Kd7 32. Rc7+ Kxe8 33. b5 Rxb3 34.
axb3 Bxf3 35. Kf2 Bd5 36. Ra1 Rxg2+ 37. Ke3 Rg3+ 38. Kd4 Rg4+ 39. Ke5 f6+ 40.
Kd6 Rd4 41. Raxa7 Bxb3+ 42. Kc6 Rc4+ 43. Kxb6 Rxc7 44. Kxc7 g5 45. b6 Bd5 46.
hxg5 fxg5 47. Ra5 g4 48. Rxd5 exd5 49. b7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Alex Castro"]
[Black "Moyses Sobrinho, Elias"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 {Mueller,Karsten} d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bf5 5. Be2 e6 6. a3
Nc6 7. O-O Be7 8. c4 Nb6 9. Nc3 O-O 10. Bf4 ({RR} 10. h3 Bf6 11. Be3 Bg6 12. b4
e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Qb3 Qf6 16. Rac1 c6 17. b5 Rfe8 18. c5 Nd7
19. Rfd1 Nf8 20. Bf3 Bc7 21. bxc6 bxc6 22. Ne2 Rac8 23. Qa4 Bb8 24. Bf4 Rxe2 {
Hamdouchi,H (2593)-Adianto,U (2562) Cap d'Agde 2002 CBM 092 [Mueller,Karsten]
0-1 (53)}) 10... Bf6 ({RR} 10... a6 11. Qd2 Bf6 12. Rfd1 Na5 13. Qe1 Nb3 14.
Ra2 Bc2 15. Be3 Bxd1 16. Qxd1 Na5 17. c5 Nd5 18. Nxd5 Qxd5 19. Ra1 Rfd8 20. Qd3
e5 21. Ng5 Bxg5 22. Bxg5 f6 23. Be3 exd4 24. Rd1 Nc6 25. Qc2 {Van Randtwijk,M 
(1593)-Steunenberg,R Rijswijk 2013 0-1 (47)}) 11. Be5 $146 ({RR} 11. Nb5 Rc8
12. Ne5 Bxe5 13. dxe5 a6 14. Nc3 Nd4 15. Rc1 c5 16. Re1 Nxe2+ 17. Nxe2 Qxd1 18.
Rexd1 Rfd8 19. b3 Bc2 20. Rxd8+ Rxd8 21. Nc3 Bxb3 22. Ne4 Bxc4 23. Nd6 Bd5 24.
Rxc5 Bc6 25. Bg5 Rb8 {Chokhonelidze,G (2350)-Gordenko,D (2345) Kiev 2003 0-1 
(36)}) 11... Bxe5 12. dxe5 a6 13. b4 Qxd1 14. Rfxd1 Rfd8 15. b5 Na5 16. bxa6
bxa6 17. c5 Nbc4 18. c6 h6 19. Rd7 Kf8 20. Rad1 Ke8 21. R7d4 Nb6 22. Bxa6 Nxc6
23. Bb7 Nxd4 24. Bxa8 Nxf3+ 25. Bxf3 Rxd1+ 26. Bxd1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Anjossendre"]
[Black "Gazineu Neto, Rubens"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "127"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Nf6 3. e4 Bc5 4. d3 d6 5. Be2 h6 ({RR} 5... a6 6. h3 c6 7. Nf3
b5 8. a3 Nbd7 9. O-O O-O 10. Bd2 bxc4 11. dxc4 a5 12. Qc2 Nb6 13. b3 h6 14. Nd1
Re8 15. Be3 Nbd7 16. Bd3 Nh5 17. Re1 Qf6 18. Bf1 Nf8 19. Qc3 Nf4 20. Bxc5 {
Bilguun,S (2497)-Kovalenko,I (2657) St Petersburg RUS 2018 1/2-1/2 (75)}) ({RR
} 5... c6 6. Bf3 O-O 7. Nge2 Re8 8. O-O a5 9. Bg5 h6 10. Be3 Bxe3 11. fxe3 Ng4
12. Qd2 Qg5 13. Nd1 h5 14. Bxg4 Bxg4 15. Ng3 g6 16. Nf2 Be6 17. Kh1 Nd7 18. Ne2
Kg7 19. Ng1 Qe7 20. b3 {Bappi,A (1846)-Asif,M (1926) Dhaka BAN 2022 1/2-1/2 
(42)}) 6. Nf3 Nc6 7. O-O a5 $146 ({RR} 7... a6 8. Be3 Nd4 9. Bxd4 ({RR} 9. b4
Nxe2+ 10. Nxe2 Bxe3 11. fxe3 O-O 12. Ng3 Be6 13. Nf5 Kh7 14. Nd2 g6 15. Ng3 Ng4
16. Rf3 Qg5 17. Qe1 h5 18. Ngf1 f5 19. h3 Nh6 20. Qf2 Rg8 21. d4 Raf8 22. c5
Qe7 23. Nh2 Rf7) 9... exd4 10. Nb1 O-O 11. Nbd2 Ba7 12. b4 Re8 13. a4 c5 14. b5
Bb6 15. Nb3 Ba5 16. Nxa5 Qxa5 17. Nd2 Bd7 18. f4 axb5 19. axb5 Qc3 20. Rc1 Qb4
21. Rb1 Qa4 22. Nb3 {Guichard,P (2367)-Leriche,L (2129) Montpellier 2015 1-0 
(44)}) ({RR} 7... O-O 8. Ne1 Nh7 9. Nc2 f5 10. exf5 Bxf5 11. Bf3 Ng5 12. Bd5+
Kh8 13. Ne4 Nxe4 14. Bxe4 Bxe4 15. dxe4 Qh4 16. Qe2 Rf7 17. g3 Qh3 18. Be3 Raf8
19. Rad1 b6 20. Kh1 Rf3 21. Bxc5 bxc5 22. Kg1) 8. Be3 Nd4 9. Nd2 c6 10. Nb3 Bb6
11. Bd2 Nxb3 12. Qxb3 O-O 13. Be3 Bd4 14. Kh1 Nd7 15. a4 Nc5 16. Qc2 f5 17.
exf5 Bxf5 18. Ne4 Ne6 19. Ng3 Bg6 20. Bg4 Nc5 21. Be2 Qh4 22. Rad1 Rad8 23. Qd2
b6 24. b4 axb4 25. Qxb4 Rb8 26. Kg1 Rfd8 27. Kh1 Kh8 28. Kg1 Ne6 29. Bf3 d5 30.
cxd5 cxd5 31. Ne2 Qf6 32. Bxd4 exd4 33. Bg4 Nc5 34. Qxd4 Qc6 35. Nf4 Bf7 36.
Bh5 Ne6 37. Nxe6 Bxe6 38. Rfe1 Rb7 39. Rd2 Bg8 40. Rde2 Rc7 41. h3 Qc5 42. Qh4
Rf8 43. Re8 Qd6 44. g3 d4 45. Rxf8 Qxf8 46. Qxd4 Rc8 47. Qxb6 Rb8 48. Qe3 Qb4
49. Be8 Bh7 50. Bb5 Bg6 51. Kg2 Rd8 52. Qe7 Qd4 53. Re3 Kh7 54. Bc4 Rd6 55. Qf8
Rd8 56. Qf4 Qd7 57. a5 Qb7+ 58. Qf3 Qb4 59. a6 Rf8 60. Qb7 Qd2 61. Rf3 Bf5 62.
Qd5 g6 63. a7 Qd1 64. Rxf5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Erick"]
[Black "Costa, Kerginaldo"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 e5 5. Bg2 g6 6. O-O Bg7 7. d3 ({RR} 7. Ne1
h5 8. d3 h4 9. Bg5 h3 10. Bh1 Nd4 11. Nd5 Ne6 12. Bxf6 Bxf6 13. Nxf6+ Qxf6 14.
Nc2 Rb8 15. b4 b5 16. cxb5 Rxb5 17. Rb1 a5 18. bxc5 Rxc5 19. Qd2 O-O 20. Rfc1
Ba6 21. Ne3 Rfc8 {Ftacnik,L (2544)-Shirov,A (2716) Czechia 2013 1-0 (41)}) 7...
h6 8. Rb1 ({RR} 8. a3 O-O 9. Rb1 a5 10. Ne1 d6 11. Nc2 Bd7 12. b4 axb4 13. axb4
cxb4 14. Nxb4 Nxb4 15. Rxb4 Bc6 16. Nd5 Re8 17. Qb3 Nd7 18. Be3 Qa5 19. Rb1 Kh7
20. h4 f5 21. Kh2 Rf8 22. Rxb7 Bxb7 {Bachmann,A (2604)-Bortnyk,M (2425) chess.
com INT 2023 1-0 (49)}) 8... d6 $146 ({RR} 8... O-O 9. a3 a5 10. e3 d6 11. h3
Be6 12. e4 Qd7 13. Kh2 Nd4 14. Nxd4 cxd4 15. Nb5 Nxe4 16. Bxe4 Bxh3 17. Rg1 Be6
18. a4 Rac8 19. Bd2 b6 20. b4 d5 21. cxd5 Bxd5 22. bxa5 bxa5 23. Bxa5 {Guevara,
W-Silva,M Lima 1999 1-0 (33)}) 9. a3 a5 10. Ne1 Be6 11. Nc2 d5 12. b4 axb4 13.
axb4 cxb4 14. Nxb4 Nxb4 15. Rxb4 Ra7 16. Qb3 dxc4 17. dxc4 O-O 18. Be3 Ra8 19.
Bxb7 Rb8 20. Ba7 Rxb7 21. Rxb7 Qc8 22. Nd5 Nxd5 23. cxd5 Bh3 24. Rd1 e4 25. Rb8
Qc7 26. Rxf8+ Bxf8 27. Qe3 h5 28. Bd4 Bf5 29. Ba1 Bg7 30. Bxg7 Kxg7 31. d6 Qd7
32. Qc5 f6 33. Ra1 Kh6 34. Ra7 Qe6 35. d7 Qb3 36. Qc1+ g5 37. d8=Q 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Joao Fernandes"]
[Black "Panazzolo, Paulo"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "60"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. a4 O-O 6. O-O d6 7. Nbd2 Be6 8. Re1
Qd7 9. c3 Rfe8 10. a5 ({RR} 10. Bxe6 Qxe6 11. Nc4 Nxe4 12. Ncxe5 dxe5 13. dxe4
Na5 14. Be3 Nb3 15. Rb1 f6 16. Nd2 Nc5 17. Bxc5 Bxc5 18. Qb3 Rad8 19. Rbd1
Bxf2+ 20. Kf1 Bxe1 21. Kxe1 Qxb3 22. Nxb3 Rxd1+ 23. Kxd1 Kf7 24. Ke2 g6 {
Eger,L (1800)-Cantero,R (2070) Florianópolis - Santa Catari 2023 0-1 (40)})
10... Bf8 11. Bb3 Bxb3 12. Qxb3 b6 $146 ({RR} 12... a6 13. Nf1 d5 14. Bg5 dxe4
15. dxe4 Qe6 16. Qxe6 Rxe6 17. Bxf6 Rxf6 18. Ne3 Re6 19. Red1 Rd6 20. Nd5 Rc8
21. Nd2 f6 22. Nc4 Rdd8 23. b4 Kf7 24. Kf1 Rd7 25. Ke2 Na7 26. Nde3 Rcd8 27.
Rxd7+ {Grosar,A (2430)-Gostisa,L (2420) Nova Gorica 1994 1/2-1/2}) 13. axb6
axb6 14. Rxa8 Rxa8 15. Nf1 Nh5 16. Be3 Nf4 17. Qc2 Qg4 18. Bxf4 exf4 19. d4 h5
20. h3 Qg6 21. Qd2 Ra2 22. e5 dxe5 23. Nxe5 Nxe5 24. dxe5 f3 25. g3 h4 26. Re3
hxg3 27. Nxg3 Ra1+ 28. Re1 Rxe1+ 29. Qxe1 Bc5 30. b4 Qxg3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Joelton Cooper"]
[Black "Fogaca, Vinicius"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 Nf6 7. O-O ({RR} 7.
h3 Bh5 8. O-O e6 9. Be3 Bd6 10. Nb5 Bb8 11. Re1 a6 12. Nc3 Qc7 13. g3 O-O 14.
Bf4 Qa5 15. Bxb8 Raxb8 16. Ne5 Bxe2 17. Rxe2 Rfc8 18. g4 Qb4 19. Nxc6 bxc6 20.
Rb1 c5 21. dxc5 Rxc5 {Marcziter,D (2240)-Stoleriu,G (2419) chess.com INT 2022
0-1 (60)}) 7... e6 8. Bg5 ({RR} 8. h3 Bh5 9. Ne5 Bxe2 10. Qxe2 Nxd4 11. Qd3 Nc6
12. Nxc6 bxc6 13. Qa6 Qb6 14. Qa4 Rd8 15. Be3 d4 16. Rfd1 dxe3 17. Rxd8+ Kxd8
18. Rd1+ Kc7 19. Qf4+ Kc8 20. fxe3 Bc5 21. Kf2 Nd5 22. Nxd5 cxd5 {Stan,
V-Popescu-Vava,L (1199) Sebes ROU 2023 0-1 (34)}) 8... Be7 9. h3 Bxf3 $146 ({RR
} 9... Bh5 10. Nh2 Bg6 11. Bb5 a6 12. Bxc6+ bxc6 13. f4 h6 14. Bh4 Qb6 15. Na4
Qb4 16. c3 Qc4 17. Qb3 Qxb3 18. axb3 Bd3 19. Rfd1 Bc2 20. Rdc1 Bxb3 21. Nb6 Nd7
22. Nxa8 Bxh4 23. Rxa6 O-O 24. Nc7 {Quliyeva,A-Martinez Orozco,C (1496)
lichess.org INT 2022 1-0 (46)}) 10. Bxf3 h6 11. Bh4 O-O 12. a3 Qb6 13. b3 Qxd4
14. Qxd4 Nxd4 15. Bd1 Nf5 16. Bg3 Nxg3 17. fxg3 Nd7 18. Ne2 Nc5 19. Nf4 Ne4 20.
g4 Bf6 21. Ra2 Nc3 22. Ra1 Ne4 23. Ra2 Rac8 24. Bf3 Bd4+ 25. Kh2 Nc3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Kaua Marques"]
[Black "Cadilhac, Igor"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "134"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Nd7 7. O-O Be7 8.
Bxc6 bxc6 9. Nxd4 Nb8 10. c4 ({RR} 10. Nc3 c5 11. Ndb5 c6 12. Nd6+ Bxd6 13.
exd6 Qxd6 14. Re1+ Be6 15. Ne4 Qe7 16. Bg5 f6 17. Nxc5 Qxc5 18. Rxe6+ Kf7 19.
Rxf6+ gxf6 20. Qh5+ Ke7 21. Re1+ Kd7 22. Qg4+ Kc7 23. Bf4+ Kb7 24. Qg7+ Nd7 {
Jones,G (2670)-Shirov,A (2662) Tornelo INT 2020 1-0 (54)}) 10... O-O 11. Nc3
dxc4 ({RR} 11... c5 12. Ndb5 d4 13. Ne4 Nc6 14. Bf4 Be6 15. Na3 a5 16. b3 h6
17. Nb5 Qd7 18. Re1 a4 19. h3 Nb4 20. Qd2 Kh7 21. Bg3 Bf5 22. e6 fxe6 23. Nxc7
Rad8 24. Rad1 axb3 25. axb3 d3 26. Nb5 {Bersamina,P (2434)-Valenzuela Gomez,F 
(2404) chess.com INT 2023 0-1 (43)}) 12. Re1 $146 ({RR} 12. Be3 c5 13. Ndb5 Nc6
14. Qd5 Bb7 15. Rfd1 Qc8 16. Qd7 Rd8 17. Qxc7 Qxc7 18. Nxc7 Rab8 19. N7d5 Bf8
20. Bf4 Nb4 21. e6 fxe6 22. Nxb4 cxb4 23. Bxb8 Rxb8 24. Ne2 g5 25. Rac1 Bd5 26.
Nd4 Bg7 {Vecera,D (2074)-Shehzad,S (2222) Prague CZE 2022 1/2-1/2 (62)}) 12...
Re8 13. Bf4 Bc5 14. Re4 Na6 15. Nxc6 Qxd1+ 16. Rxd1 Bb7 17. Rxc4 Bb6 18. h3 Nc5
19. b4 Ne6 20. Bg3 Bxc6 21. Rxc6 Rad8 22. Rd5 Kf8 23. a4 Rxd5 24. Nxd5 Rd8 25.
Nxb6 Rd1+ 26. Kh2 axb6 27. f4 g6 28. Rc4 Ra1 29. b5 Rf1 30. h4 h5 31. Kh3 Ke8
32. Bh2 Rf2 33. g3 Kd7 34. Bg1 Rf1 35. Kg2 Ra1 36. Be3 Ra3 37. Kf2 Ng7 38. Bd2
Nf5 39. Bc3 Ne7 40. Be1 Nd5 41. Rd4 Ke6 42. Ke2 Ra2+ 43. Kf3 Ra3+ 44. Ke2 Ne7
45. Rc4 Nd5 46. Rd4 Ra1 47. Kf2 Rb1 48. Ke2 Rb3 49. Kf2 Ra3 50. Ke2 Re3+ 51.
Kf2 Rb3 52. Ke2 Ra3 53. Kf2 Ne3 54. Rd8 Ng4+ 55. Ke2 Rxa4 56. Re8+ Kd7 57. Rf8
Re4+ 58. Kd2 Nh6 59. f5 Rxe5 60. fxg6 fxg6 61. Rf6 Re6 62. Rf4 Ng4 63. Rf8 Rd6+
64. Kc3 Rd5 65. Kc4 Ne3+ 66. Kb4 Nc2+ 67. Kc4 Rc5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Silva, Lucas Henrique"]
[Black "Filgueiras, Nathan"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O g6 5. c4 Bg7 6. Nc3 O-O 7. Qc2 ({RR} 7.
Re1 Ne4 8. Nxe4 Bxe4 9. d4 e6 10. Bg5 Qc8 11. Qd2 d6 12. Bh6 Qb7 13. Bxg7 Kxg7
14. Rad1 Nd7 15. d5 Bxf3 16. exf3 e5 17. f4 Rae8 18. Qc3 Kg8 19. f5 Qb8 20. Bh3
Qd8 21. Qe3 Kg7 {Efimenko,Z (2648)-Maletin,P (2588) Dubai 2014 0-1 (56)}) 7...
c5 ({RR} 7... Na6 8. d4 e6 9. a3 d5 10. cxd5 exd5 11. Bf4 c5 12. Rfd1 Re8 13.
dxc5 Nxc5 14. Nd4 a6 15. Bg5 Rc8 16. e3 Qd7 17. Qe2 Nfe4 18. Nxe4 dxe4 19. Bf4
Nd3 20. Rd2 Bxd4 21. exd4 Nxf4 22. gxf4 {Narayanan,S (2559)-Bortnyk,O (2605)
chess.com INT 2023 0-1 (43)}) 8. d3 d5 $146 ({RR} 8... Nc6 9. a3 d5 10. Bg5 d4
11. Na4 Nd7 12. Rab1 h6 13. Bd2 Qc7 14. b4 Rab8 15. bxc5 bxc5 16. Rb5 a6 17.
Rb2 Ba8 18. Rxb8 Rxb8 19. Rb1 Rxb1+ 20. Qxb1 Bb7 {1/2-1/2 (20) Lloyd,
K-Cafferty,B York/ North Yorkshire 1959}) 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. Be3 e5
12. Qa4 Qd7 13. Qh4 f6 14. Qc4+ Kh8 15. h4 Nc6 16. Rfe1 Rae8 17. Rac1 h6 18.
Qa4 Rd8 19. a3 f5 20. Kh2 f4 21. Bd2 Qe7 22. b4 fxg3+ 23. fxg3 e4 24. dxe4 Ne5
25. Bf4 Ng4+ 26. Kg1 Qxe4 27. Qc2 Rxf4 28. gxf4 Bd4+ 29. e3 Bxe3+ 30. Kf1 Ba6+
31. Re2 Qxc2 32. Rcxc2 Rd1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Soares, Joao Carlos"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "D14"]
[PlyCount "86"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 Bf5 7. Rc1 a6 8.
Ne5 e6 ({RR} 8... Nxe5 9. dxe5 d4 10. exf6 dxc3 11. Rxc3 Qxd1+ 12. Kxd1 gxf6
13. g3 e5 14. Be3 Bb4 15. Rc4 a5 16. Bg2 O-O 17. Bxb7 Rab8 18. Bc6 Rfc8 19. f3
Rd8+ 20. Kc1 Ba3 21. Be4 Rxb2 22. Rc3 Bxe4 23. fxe4 {Dominguez Perez,L (2713)
-Aronian,L (2782) Nice 2010 0-1 (37)}) 9. Qa4 ({RR} 9. e3 Nxe5 10. Bxe5 Bd6 11.
Bxd6 Qxd6 12. Qa4+ Ke7 13. Be2 b5 14. Qb3 Rhc8 15. O-O Ne4 16. Nxe4 Bxe4 17. f3
Bg6 18. Bd3 Rc6 19. Bxg6 hxg6 20. Rc3 Rh8 21. g3 Rhc8 22. Rfc1 Rc4 23. Kf2 Rh8
{Mazek,M (2017)-Cansdale,Z (1919) Bingley ENG 2023 1/2-1/2}) 9... Rc8 10. e4
dxe4 $146 ({RR} 10... Nxe4 11. Nxe4 dxe4 12. Nxc6 Qd7 13. Bxa6 Ra8 14. Qb3 bxa6
15. Nb8 Qb5 16. Rc8+ Ke7 17. Qa3+ Kf6 18. Be5+ Kg6 19. Rxf8 Rxf8 20. Qxf8 f6
21. Bd6 Bg4 22. f3 exf3 23. gxf3 Bxf3 24. Rg1+ Kf5 25. Kf2 {Arndt,U (1922)
-Huse,S (2122) Helsingor DEN 2019 0-1}) 11. Nxc6 bxc6 12. Bxa6 Be7 13. Bxc8
Qxc8 14. O-O O-O 15. Nd1 Nd5 16. Bd2 Bf6 17. Ne3 Nf4 18. Nxf5 Ne2+ 19. Kh1 Nxc1
20. Nh6+ gxh6 21. Rxc1 Qd7 22. Bxh6 Rd8 23. Be3 Bxd4 24. Bxd4 Qxd4 25. Qxd4
Rxd4 26. Kg1 Rd2 27. Rb1 Kf8 28. Kf1 Ke7 29. Ke1 e3 30. fxe3 Rxg2 31. Rc1 Rxb2
32. a4 Kd6 33. h4 Rb4 34. Ra1 Rxh4 35. Ke2 Rb4 36. a5 Rb7 37. Rd1+ Kc5 38. Rc1+
Kd6 39. Rd1+ Kc7 40. Rh1 Ra7 41. Rxh7 Kd6 42. Kd3 e5 43. Ke4 f5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Sopko, Cassio Roberto"]
[Black "Freitas, Mauricio"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. d4 e6 2. g3 Nf6 3. Bg2 c5 4. c3 d5 5. Nf3 Nc6 6. O-O b5 ({RR} 6... h6 7.
Nbd2 cxd4 8. cxd4 Qb6 9. e3 Be7 10. Nb1 Ne4 11. Nfd2 Nd6 12. Nc3 O-O 13. b3 a5
14. Na4 Qd8 15. Bb2 f5 16. Nf3 Ne4 17. Rc1 Bd7 18. Nc5 Nxc5 19. dxc5 Bf6 20.
Qd2 Bxb2 21. Qxb2 {Pham,L (2338)-Kosteniuk,A (2538) Baku 2016 1/2-1/2 (57)}) ({
RR} 6... Ne4 7. e3 f5 8. Nfd2 g6 9. f3 Nxd2 10. Nxd2 b6 11. Re1 Bg7 12. Qa4 Bd7
13. Qc2 O-O 14. f4 Rc8 15. Qd1 Be8 16. Nf3 h6 17. a3 g5 18. Ne5 Bxe5 19. dxe5
gxf4 20. exf4 Kh7 21. Be3 {De Amorim,W (1480)-Chaves,J (1974) Niteroi BRA 2019
0-1 (49)}) 7. a4 Qa5 $146 ({RR} 7... b4 8. Ne5 Bb7 9. a5 Rc8 10. Nxc6 Bxc6 11.
dxc5 Bxc5 12. Bd2 Qd6 13. Qb3 bxc3 14. Nxc3 O-O 15. Na4 Rb8 16. Qc2 Bxa4 17.
Rxa4 Rfc8 18. Qb1 Bb4 19. Rd1 Rc4 20. Bf4 e5 21. Bg5 Ne4 22. Bxe4 {Brodhuhn,
R-Hilck,D Germany 1996 1-0 (36)}) 8. dxc5 b4 9. Nd4 Qxc5 10. Nb5 Ne5 11. cxb4
Qb6 12. Bf4 a6 13. Bxe5 axb5 14. a5 Qd8 15. Qd3 Bd7 16. Bc3 Be7 17. Nd2 O-O 18.
e4 Bc6 19. e5 Ng4 20. h3 Nh6 21. g4 Qc7 22. Rac1 Rfd8 23. Bd4 Bxb4 24. Bb6 Qb7
25. Bxd8 Rxd8 26. Nb3 Qa8 27. Rc2 Be8 28. Qd4 Be7 29. Rfc1 f6 30. Qb6 fxe5 31.
Qxe6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Souza, Eliel"]
[Black "do Nascimento, Maycon"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. e4 b6 2. d4 g6 3. Nc3 ({RR} 3. h4 h6 4. f4 h5 5. Nc3 d6 6. Nf3 Bg7 7. Be3
Nf6 8. Ng5 O-O 9. Bc4 Bg4 10. Qd3 e6 11. Bb3 d5 12. e5 Nh7 13. Nf3 a5 14. a3
Na6 15. Nh2 Bf5 16. Qe2 Qxh4+ 17. Kd2 c5 {Gokerkan,C (2523)-Duda,J (2732)
chess.com INT 2023 0-1 (38)}) ({RR} 3. c4 Bg7 4. Nf3 Bb7 5. Nc3 e6 6. Be2 Ne7
7. O-O d6 8. Be3 Nd7 9. Qd2 h6 10. Rfd1 e5 11. dxe5 dxe5 12. Rac1 f5 13. exf5
gxf5 14. Qc2 f4 15. Bd2 O-O 16. Bd3 Bxf3 17. gxf3 Nc6 {Iyer,V (1587)-Su,K 
(1890) Dulles USA 2023 1/2-1/2 (48)}) 3... Nf6 4. Bd3 $146 ({RR} 4. Nf3 Bg7 5.
Bf4 d6 6. d5 e5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg4 10. h3 Bxf3 11. Qxf3 Qd7 12. Bb5
c6 13. dxc6 Nxc6 14. O-O-O Rg8 15. Bxe5 dxe5 16. Rxd7 Kxd7 17. Rd1+ Kc7 18.
Nd5+ Kb7 {Blom,F-Deskaj,A Waalwijk 2007 1-0}) 4... Bg7 5. Nge2 Nc6 6. Be3 Bb7
7. h3 d6 8. Bb5 O-O 9. Qd2 a6 10. Bxc6 Bxc6 11. d5 Bb7 12. Bh6 Bxh6 13. Qxh6 e6
14. O-O-O a5 15. f3 e5 16. g4 c5 17. g5 Nh5 18. h4 a4 19. Rhg1 Ra5 20. Ng3 Nxg3
21. Rxg3 b5 22. h5 b4 23. hxg6 fxg6 24. Rh1 Kf7 25. Qxh7+ Ke8 26. Qxg6+ Kd7 27.
Qe6+ Kc7 28. Rh7+ Kb6 29. Qd7 Qxd7 30. Rxd7 bxc3 31. Rxd6+ Kc7 32. Re6 Rb5 33.
b3 axb3 34. cxb3 Ra8 35. Rh3 Rb6 36. Rh7+ Kb8 37. Rxb6 Ra7 38. Rbxb7+ Rxb7 39.
Rxb7+ Kxb7 40. g6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Sovinski, Marcos Roberto"]
[Black "Cinta Larga, Carlos E"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e5 ({RR} 6...
Qc7 7. d3 g6 8. c3 Rc8 9. Bg5 Bg7 10. Re1 O-O 11. d4 h6 12. Bd2 Qb6 13. b3 d5
14. exd5 cxd4 15. cxd4 Nxd5 16. Na3 Rfe8 17. Nc4 Qa6 18. a4 N5b6 19. Na5 Qxe2
20. Rxe2 Nd5 21. Nxb7 {Meier,G (2648)-Bach,M (2303) Copenhagen 2010 1-0 (40)})
7. d3 ({RR} 7. c3 g6 8. d4 Bg7 9. dxe5 dxe5 10. Rd1 Qc7 11. Bg5 O-O 12. Nbd2 h6
13. Bxf6 Bxf6 14. Nc4 Nb6 15. Ne3 Bg7 16. a4 a5 17. Nd2 f5 18. f3 fxe4 19. Nxe4
c4 20. Nd5 Nxd5 21. Rxd5 Rfd8 {Zacarias,M (2176)-Barrientos,E (1934)
Florianópolis - Santa Catari 2023 1-0 (37)}) 7... Be7 8. Bg5 $146 ({RR} 8. Nh4
Nf8 9. Nf5 Ne6 10. c3 g6 11. Nh6 Nh5 12. g3 Bg5 13. h4 Bxc1 14. Rxc1 Qf6 15. d4
exd4 16. Qb5+ Kf8 17. Qxb7 Kg7 18. Ng4 Qf3 19. Nh2 Qe2 20. Qb3 Rab8 21. Qc2
Rxb2 22. Qxe2 Rxe2 {Poswiatowski,M (2085)-Kostanski,M (1930) Rewal 2013 1-0 
(85)}) 8... b5 9. a3 a5 10. Nbd2 O-O 11. Nh4 Nd5 12. Bxe7 Qxe7 13. Nf5 Qf6 14.
Qg4 Nf4 15. g3 Ng6 16. h4 Kh8 17. Kg2 Nb6 18. Rh1 Ne7 19. Nxe7 Qxe7 20. h5 Na4
21. b3 Nc3 22. Nf3 g6 23. hxg6 fxg6 24. Rxh7+ Qxh7 25. Rh1 Qxh1+ 26. Kxh1 Kg7
27. Qd7+ Kh6 28. Qxd6 Rxf3 29. Qxe5 Nd1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Teixeira, Jonas"]
[Black "Bocca, Edson Ricardo"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 h6 5. O-O ({RR} 5. d4 Bd7 6. Nc3 Nf6 7. b3
a6 8. dxe5 dxe5 9. Bb2 Bd6 10. O-O O-O 11. Qe2 Qc8 12. Rad1 b5 13. Bd3 Nb4 14.
Rc1 Bc6 15. Rfd1 Bb7 16. Nb1 Nxa2 17. Bxe5 Nxc1 18. Rxc1 Bxe5 19. Nxe5 Re8 {
Alonso Alvarez,A-Garcia,R (2380) Infiesto 1997 1/2-1/2 (40)}) 5... Nf6 6. d3 ({
RR} 6. Nc3 Be7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 O-O 10. Re1 c5 11. Qd3 Be6 12.
Bf4 Nh5 13. Bh2 Rb8 14. Rad1 b5 15. Nxb5 a6 16. Nxd6 Bxd6 17. Bxd6 Nf4 18. Qc3
Bxc4 19. Bxf4 Qf6 20. Qxf6 gxf6 {Maliha Mohammad Ali-Al Bulushi,R chess.com
INT 2020 1-0}) 6... Qe7 7. c3 Be6 $146 ({RR} 7... g6 8. Be3 a6 9. Nbd2 Bg7 10.
Qc2 O-O 11. d4 b5 12. Bd3 Bb7 13. d5 Nd8 14. c4 bxc4 15. Nxc4 a5 16. Bd2 a4 17.
Bb4 c5 18. dxc6 Nxc6 19. Bxd6 Nb4 20. Bxe7 Nxc2 21. Bxc2 Rfe8 22. Bxf6 {
Bakouche,N (1572)-Antonio,A Port Elizabeth 2016 1-0 (41)}) 8. Bb5 Bd7 9. Be3 a6
10. Ba4 Na5 11. Bc2 Nh7 12. d4 Nc6 13. d5 Nd8 14. Nbd2 Ng5 15. Re1 g6 16. Nf1
f5 17. exf5 gxf5 18. Nd4 Qf6 19. Ng3 e4 20. h4 Ngf7 21. Qh5 Bg7 22. Ndxf5 Bxf5
23. Nxf5 O-O 24. Bxe4 Ne5 25. f4 Qf7 26. Nxh6+ Bxh6 27. Qxh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Timossi, Lucas Jose"]
[Black "Viana, Paulo Vitor"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng8 6. Bxf7+ $146 ({RR} 6. O-O
Bb4 7. a3 Ba5 8. b4 Bb6 9. Bb2 d6 10. exd6 Qxd6 11. Re1+ Nge7 12. Bb5 Bd7 13.
Bxc6 Bxc6 14. Nxd4 O-O-O 15. c3 Qd5 16. Qg4+ f5 17. Qh3 Rhe8 18. Nd2 Bxd4 19.
cxd4 g5 20. Re5 Qd6 {Kuhn,S-Miller,T Australia 1995 0-1 (43)}) ({RR} 6. O-O d5
7. Bb5 Bd7 8. Bxc6 bxc6 9. Nxd4 Bc5 10. Be3 Bb6 11. f4 Ne7 12. Kh1 O-O 13. Nd2
Nf5 14. Nxf5 Bxf5 15. Bxb6 axb6 16. g4 Be4+ 17. Nxe4 dxe4 18. Qe2 Qd4 19. c3
Qd3 20. Rfe1 Rfd8 {Nagy,K (2240)-Duzs,J (2065) Hungary 1995 1/2-1/2 (40)}) ({RR
} 6. O-O d5 7. exd6 Bg4 8. Re1+ Kd7 9. dxc7 Qxc7 10. h3 Bh5 11. Bb5 Qd6 12.
Qxd4 Bxf3 13. Qxd6+ Kxd6 14. gxf3 Kc5 15. Nc3 Nf6 16. Be3+ Kd6 17. Rad1+ Kc7
18. Bf4+ Kb6 19. Bc4 a6 20. Bxf7 Rc8 {Trannoy,A (1895)-Robberechts,M
Europe-Echecs INT 2021 1-0 (50)}) 6... Kxf7 7. Ng5+ Ke8 8. O-O Be7 9. f4 d6 10.
e6 Nf6 11. Nf7 Bxe6 12. Nxd8 Rxd8 13. Re1 Bg4 14. Qd3 d5 15. h3 Bh5 16. g4 Bg6
17. f5 Bf7 18. Bg5 Ne4 19. Bxe7 Kxe7 20. c4 Nb4 21. Qa3 a5 22. cxd5 Bxd5 23.
Qxa5 Na6 24. Rxe4+ Bxe4 25. Qe5+ Kf7 26. Qxe4 Rhe8 27. Qxb7 Re1+ 28. Kf2 Rde8
29. Qxa6 R8e2+ 30. Qxe2 Rxe2+ 31. Kxe2 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Trevisan, Rodrigo"]
[Black "Marra, Eduardo"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. c4 b6 2. Nf3 Bb7 3. g3 e6 4. Bg2 Nf6 5. Nc3 Be7 6. O-O c5 7. b3 O-O 8. Bb2
d6 9. d4 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7 12. e3 ({RR} 12. e4 Qb7 13. f3 Nbd7
14. Qd2 a6 15. Rfd1 Rac8 16. Rac1 Rfe8 17. Ba3 Bf8 18. Nde2 Nc5 19. Nf4 b5 20.
Bxc5 Rxc5 21. Nd3 Rcc8 22. e5 dxe5 23. Nxe5 bxc4 24. Nxc4 Bb4 25. Qd3 Qb8 26.
Ne4 Nxe4 {Maung,M (2119)-Alinasab,M (2347) chess.com INT 2023 1/2-1/2 (83)})
12... Rc8 $146 ({RR} 12... Nbd7 13. Rc1 a6 14. Qe2 Rfc8 15. e4 Qb7 16. f3 Rc7
17. Nc2 Rac8 18. Ne3 Ne5 19. Rfd1 g5 20. h3 h5 21. Rf1 g4 22. hxg4 hxg4 23.
Nxg4 Nfxg4 24. fxg4 Bg5 25. Rcd1 b5 26. Rh1 bxc4 27. Rh5 {Virtanen,A-Ornstein,
A (2440) Helsinki 1991 0-1 (36)}) ({RR} 12... Nbd7 13. Rc1 a6 14. f4 Nc5 15.
Rc2 Rac8 16. Qf3 Rfd8 17. Rd1 Qd7 18. h3 d5 19. cxd5 exd5 20. Rcc1 Bf8 21. Nde2
Nce4 22. g4 Qe6 23. Nd4 Qe8 24. Nf5 Nxc3 25. Rxc3 Rxc3 26. Bxc3 Ne4 27. Bd4 {
Anton Guijarro,D (2685)-Abdusattorov,N (2635) Moscow RUS 2019 0-1 (61)}) 13. f4
Nc6 14. Qf3 a6 15. g4 Nxd4 16. exd4 Qc6 17. d5 exd5 18. g5 d4 19. Qxc6 Rxc6 20.
Ne2 Nh5 21. Nxd4 Rc7 22. Kf3 g6 23. Kg4 Rd8 24. Rad1 Bf8 25. Nf3 b5 26. cxb5
axb5 27. Rd5 Rc2 28. Rd2 Rc6 29. Nd4 Rc5 30. Ba3 Rd5 31. Rfd1 Re8 32. Bc1 Re3
33. Nc2 f5+ 34. Kh4 Rxd2 35. Rxd2 Rc3 36. Rf2 Kf7 37. Bb2 Rd3 38. Ne1 Re3 39.
Nc2 Re4 40. Bc1 d5 41. Be3 Bd6 42. Rd2 Nxf4 43. Bxf4 Bxf4 44. Rxd5 Re2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Uczai, Joao Pedro"]
[Black "Arruda Filho, Ivo"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. e4 c5 2. b3 Nf6 3. e5 Nd5 4. Bb2 e6 5. Nf3 Nc6 6. g3 Be7 7. Bg2 b6 ({RR} 
7... f6 8. c4 Ndb4 9. d4 cxd4 10. a3 Na6 11. exf6 Bxf6 12. b4 Nc7 13. O-O O-O
14. Nxd4 d5 15. Nxc6 bxc6 16. Qc2 Bxb2 17. Qxb2 Ba6 18. Nd2 dxc4 19. Rac1 c3
20. Qxc3 Bxf1 21. Nxf1 Nd5 22. Qxc6 {Onischuk,V (2633)-Smirin,I (2612) chess.
com INT 2020 1/2-1/2 (35)}) ({RR} 7... O-O 8. O-O b6 9. Nc3 Nc7 10. Ne4 Bb7 11.
Re1 Ne8 12. c4 d5 13. exd6 Nxd6 14. Nxd6 Qxd6 15. d4 Bf6 16. Qe2 cxd4 17. Nxd4
Bxd4 18. Bxc6 Qxc6 19. Bxd4 Qg2# {0-1 (19) Papayan,O (2253)-Liang,J (2092)
chess.com INT 2023}) 8. c4 $146 ({RR} 8. O-O Bb7 9. a3 O-O 10. d3 f5 11. c4 Nc7
12. d4 Nxd4 13. Nxd4 Bxg2 14. Kxg2 cxd4 15. Qxd4 Bc5 16. Qd3 f4 17. b4 Be7 18.
Nd2 Qe8 19. f3 Rd8 20. Ne4 b5 21. Nd6 Qh5 22. Nxb5 Nxb5 {Szczepkowska,K (2339)
-Toma,K (2252) Wroclaw 2011 1-0 (36)}) 8... Ndb4 9. d4 cxd4 10. a3 Na6 11. b4
Nc7 12. Nxd4 Bb7 13. O-O Qc8 14. Nc2 O-O 15. Nd2 Nb8 16. Ne4 Nc6 17. Ne3 Ne8
18. Ng4 f5 19. exf6 Nxf6 20. Ngxf6+ Bxf6 21. Bxf6 gxf6 22. Nd6 Qc7 23. Nxb7 d5
24. cxd5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Umetsubo, Cesar"]
[Black "Sega, Carlos Alberto"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Bg5 dxc4 8.
Qxc4 b6 9. Nf3 Ba6 10. Qc2 h6 ({RR} 10... Nbd7 11. g3 c5 12. Bxf6 gxf6 13. Bg2
Bb7 14. Rd1 Qe7 15. O-O Rac8 16. Ng5 fxg5 17. Bxb7 Rc7 18. Bg2 Nf6 19. Qd2 h6
20. h4 Nh7 21. d5 exd5 22. Qxd5 gxh4 23. gxh4 Qe6 24. Qh5 Kh8 25. Kh2 {
Mungunzul,B (2111)-Luong,H (1887) Montesilvano ITA 2023 0-1 (73)}) 11. Bh4 Nbd7
12. Rd1 Qc8 13. e3 $146 ({RR} 13. e4 Bxf1 14. Kxf1 Qb7 15. Nd2 Rac8 16. e5 Nd5
17. Ne4 Nf4 18. f3 Nd5 19. Kf2 Qa6 20. Qc6 Nb8 21. Qc2 Nd7 22. Qc6 Nb8 23. Qc2
Nd7 {1/2-1/2 (23) Barreto Bastidas,J (1981)-Luces Camargo,R (1768) Caracas 2015
}) 13... Bxf1 14. Kxf1 Qa6+ 15. Qe2 Qb7 16. h3 c5 17. Kg1 Rfc8 18. Kh2 Ne4 19.
Nd2 Qc7+ 20. Kg1 Nxd2 21. Bg3 Qc6 22. Rxd2 Nf6 23. f3 cxd4 24. Rxd4 Nh5 25. Bh4
Qc2 26. Rd2 Qc4 27. Rd8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Valcarcel, Victor I"]
[Black "do Carmo, Gabriel"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8.
Bf4 Qb6 9. O-O Qxb2 10. Nb5 O-O 11. Bd2 d4 12. Qe2 a6 13. Rfb1 Qxb1+ 14. Rxb1
axb5 15. Bxb5 ({RR} 15. Bxh7+ Kxh7 16. Ng5+ Kg6 17. Qd3+ f5 18. Qg3 f4 19. Bxf4
Kf5 20. Nf3 Be7 21. Re1 Rxa2 22. h3 g5 23. Bxg5 Kg6 24. Bxe7+ Kf7 25. Bxf8 Kxf8
26. Qf4+ Ke7 27. Nxd4 Ra4 28. Nxc6+ bxc6 29. Qg5+ Ke8 {Kotlyar,K (2390)
-Rodriguez Fontecha,M (2289) chess.com INT 2023 1-0}) 15... Rxa2 16. Qc4 $146 (
{RR} 16. Bf4 Nb4 17. Bd3 f5 18. h3 Nb6 19. Qd1 N6d5 20. Bd2 Nxd3 21. cxd3 Nc3
22. Bxc3 dxc3 23. Rc1 Bxf2+ 24. Kh1 Ra3 25. d4 Rd8 26. Qd3 Bg3 27. Qe3 h6 28.
Rxc3 Ra5 29. Qc1 Bd7 30. Rd3 Rd5 {Schmalhorst,S (1317)-Neef,M (1580) Willingen
2008 0-1 (37)}) 16... Ra8 17. Bxc6 bxc6 18. Nxd4 Ba6 19. Qc3 Bxd4 20. Qxd4 Rfd8
21. Bg5 Rab8 22. Rd1 f6 23. Qa7 Be2 24. exf6 Bxd1 25. fxg7 Bxc2 26. h3 Re8 27.
Qxd7 c5 28. Be7 Bb3 29. Bxc5 Rbd8 30. Qc7 Rd1+ 31. Kh2 Rc1 32. Qd7 Ba4 33. Qxa4
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Vargas, Roberto Carlos"]
[Black "Serafim, Paulo Rogerio"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Qb6 5. Qc1 Nc6 6. Nf3 cxd4 7. exd4 d5 8.
Nbd2 Bd7 9. Bd3 Rc8 10. Nb3 $146 ({RR} 10. Qb1 Be7 11. O-O O-O 12. Ne5 Be8 13.
Ndf3 Ne4 14. Bxe4 dxe4 15. Qxe4 Qxb2 16. c4 Nxe5 17. Nxe5 Rd8 18. Be3 f5 19.
Qd3 Qb6 20. f4 Qc7 21. Qb3 Bf6 22. Rac1 Qe7 23. Nf3 Bc6 24. Rcd1 Qe8 {
Lunkiewicz,D (2134)-Szczesniak,A (2103) Sepolno Kraj 2006 1-0 (45)}) 10... Be7
11. Qd1 Na5 12. O-O Ba4 13. Bc2 Nc4 14. Rb1 Nh5 15. Be5 f6 16. Ng5 g6 17. Nxh7
fxe5 18. Bxg6+ Kd7 19. Qxh5 Bxb3 20. axb3 Nd2 21. Qxe5 Nxb1 22. Rxb1 Qxb3 23.
Re1 Qb6 24. Bf5 Rce8 25. Bxe6+ Qxe6 26. Qxe6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Veiga, Emerson"]
[Black "Barbosa, Evandro Amorim"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Ne7 13. a4 bxa4 14. Rxa4
Nxd5 15. Qxd5 Be6 16. Qd3 ({RR} 16. Qd1 Qb6 17. Nb4 a5 18. Nd5 Qxb2 19. Bb5+
Kf8 20. Bc4 Bxd5 21. Qxd5 Qxc3+ 22. Ke2 Ra7 23. Qxd6+ Re7 24. Qd8+ Re8 25. Qd5
Re7 26. Rxa5 g6 27. h4 Bd2 28. Ra8+ Kg7 29. Rxh8 Ra7 30. Rd8 Bf4 {Pham,K (2373)
-Zhigalko,S (2572) chess.com INT 2023 1-0 (43)}) 16... O-O 17. Rxa6 $146 ({RR} 
17. Be2 a5 18. O-O Bb3 19. Raa1 Qb6 20. Na3 a4 21. Nc4 Qb5 22. Rfe1 Rab8 23.
Ne3 Qc5 24. Bd1 Bxe3 25. Rxe3 Bxd1 26. Qxd1 Rxb2 27. Qxa4 f5 28. exf5 Rxf5 29.
Qe8+ Rf8 30. Qe6+ Kh8 31. Qf5 Kg8 {Dvoirys,S (2502)-Moiseenko,A (2642) Netanya
ISR 2019 1/2-1/2 (34)}) 17... Rxa6 18. Qxa6 d5 19. Bb5 dxe4 20. O-O Qd2 21. Qa4
Rb8 22. c4 e3 23. Nxe3 Bxe3 24. fxe3 Qxe3+ 25. Kh1 Qe2 26. Qa1 h5 27. b3 e4 28.
Re1 Qd3 29. Qe5 Rd8 30. h3 Bxh3 31. Qxe4 Qg3 32. gxh3 Rd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Zakowicz, Rafael"]
[Black "Nascimento, Davi Araujo"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "74"]
[EventDate "2021.??.??"]

1. e4 {ChessBase} c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7.
Bc4 e6 8. O-O Ngf6 9. Re1 Be7 10. Qe2 O-O ({RR} 10... Nd5 11. Bb3 O-O 12. c4
Nb4 13. a3 Nd3 14. Rd1 Nxc1 15. Raxc1 Qb6 16. Ba2 Rfe8 17. Bb1 a5) 11. Bxe6 ({
RR} 11. c3 Qc7 12. Bg5 h6 13. Bh4 Rad8 14. Rad1 Rfe8 15. Rd2 ({RR} 15. Nf1) ({
RR} 15. Ne5 Nxe5) 15... Bh7 16. Nf1 Ne4 17. Bxe7 Nxd2 18. Bxd8 Nxf3+ 19. Qxf3
Rxd8 20. Ne3 Nf6 21. Bb3 c5 22. dxc5 Be4 23. Qe2 Bd3 ({RR} 23... Qxc5) 24. Qf3
Be4 25. Qe2 Bd3 {Huebner,R (2595)-Portisch,L (2640) Montreal 1979 MCL 
[ChessBase] 1/2-1/2}) ({RR} 11. Bb3) ({RR} 11. Bg5 h6 12. Bd2 Re8 13. Bb3 Qc7
14. Ne5 Nxe5 15. dxe5 Nd7 16. a3 Nc5 17. Ba2 Rad8 18. b4 Na4 19. Bb3 Nb6 20.
Rad1 c5 21. bxc5 Bxc5 22. Bb4 Bxb4 23. axb4 Nd5 24. Bxd5 exd5 25. Rd2 Qc3 {
Hawkins,J (1907)-Kirk,M (1747) St James GCI 2023 1/2-1/2}) 11... Re8 12. Bxd7
Qxd7 13. Be3 $146 ({RR} 13. Qd1 Bd6 14. c3 Rxe1+ 15. Qxe1 Re8 16. Be3 Nd5 17.
Rd1 Bf4 18. Ne5 Qe6 19. Bxf4 Nxf4 20. Qd2 f6 21. Nxg6 Nxg6 22. b3 Kf7 23. h3
Qd5 24. c4 Qe6 25. Qa5 a6 26. Nf5 Kf8 27. Qc5+ Kg8 {Salles,H-Martins,E
Campinas 1962 1-0 (48)}) 13... Bd6 14. Qc4 Qc7 15. Nh4 Nd5 16. Nxg6 Nxe3 17.
Rxe3 Rxe3 18. fxe3 Bxg3 19. hxg3 hxg6 20. Rf1 Re8 21. Rf3 Re4 22. Kf2 Qe7 23.
Qd3 g5 24. Rf5 f6 25. Kf3 Re6 26. g4 Kf7 27. Ra5 a6 28. Ra3 g6 29. c4 f5 30. c5
Re4 31. gxf5 gxf5 32. Qf1 Rg4 33. Qd3 Kg6 34. Qc2 Qc7 35. Qf2 Qe7 36. Qc2 Qc7
37. Qf2 Qe7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "Zanette, Edgard"]
[Black "Custodio, Leandro"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. Bb5 a6 6. Bxc6+ bxc6 7. O-O Bg7 8.
h3 Rb8 9. Rb1 O-O 10. Bf4 Nd7 11. Qd2 c5 12. d5 $146 ({RR} 12. Bh6 cxd4 13.
Bxg7 Kxg7 14. Nxd4 Bb7 15. f4 e5 16. Nf3 f6 17. f5 Nc5 18. fxg6 hxg6 19. Qe3
Ne6 20. Ne2 Qe7 21. Rbd1 Rh8 22. b3 Qd7 23. c4 c5 24. Nh2 Nd4 25. Ng4 Rbf8 26.
Nxd4 cxd4 {Podinic,B (2260)-Tejedor Fuente,E (2434) chess.com INT 2021 0-1 (37)
}) 12... e5 13. Bh6 f5 14. Bxg7 Kxg7 15. Ng5 Nf6 16. exf5 gxf5 17. b3 Nh5 18.
Ne6+ Bxe6 19. dxe6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "da Cruz, Emerson"]
[Black "Lima da Silva, Fabio"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Nf3 g6 7. Bg5 Bg7 8. Qd2
({RR} 8. Bxf6 exf6 9. cxd5 Ne7 10. Bc4 Bg4 11. Qa4+ Kf8 12. Qd1 Qb6 13. O-O Rc8
14. Bb3 Nf5 15. h3 Bxf3 16. Qxf3 Nxd4 17. Qd3 f5 18. Rad1 Bf6 19. d6 Qxd6 20.
Nb5 Nxb5 21. Qxb5 Qe5 22. Rd5 Qe8 {Har Zvi,R (2515)-Savchenko,B (2562) ICC INT
2007 1-0}) ({RR} 8. Bxf6 Bxf6 9. cxd5 Nb8 10. Bc4 O-O 11. h3 Nd7 12. O-O Nb6
13. Bb3 Bf5 14. Re1 Rc8 15. Ne5 a6 16. Qf3 Bd7 17. Rad1 Kg7 18. Ne4 Ba4 19.
Bxa4 Nxa4 20. b3 Nb6 21. d6 exd6 22. Ng4 Be7 {Filgueira,H (2283)-Bryakin,M 
(2455) chess.com INT 2023 0-1 (39)}) 8... Ne4 $146 ({RR} 8... O-O 9. O-O-O Ne4
10. Nxe4 dxe4 11. Ne5 Nxe5 12. dxe5 Qxd2+ 13. Rxd2 Bxe5 14. Kc2 Bf5 15. Be3
Rfc8 16. h3 Be6 17. b3 b5 18. Kd1 bxc4 19. Bxc4 Bxc4 20. bxc4 Rxc4 21. Rd6 Bxd6
{0-1 (21) Panchotin63 (1913)-Rego,V (2433) lichess.org 2021}) 9. Nxe4 dxe4 10.
d5 exf3 11. dxc6 Qxd2+ 12. Kxd2 O-O 13. Bxe7 Bh6+ 14. Kc3 Re8 15. Bc5 bxc6 16.
gxf3 Rb8 17. b3 Re5 18. Bd6 Bg7 19. Bxb8 Re1+ 20. Kb4 Bxa1 21. Bxa7 Re7 22. Bb6
Bg7 23. c5 Bd4 24. Bc4 Bxf2 25. a4 Re8 26. Rd1 Be1+ 27. Ka3 Bf2 28. a5 Bb7 29.
Rd7 Rb8 30. Rxf7 Kh8 31. Ba7 Ra8 32. Rxb7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "da Rosa, Henrique"]
[Black "Okamura, Milton"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "88"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. O-O dxc4 6. a4 Na6 ({RR} 6... Nbd7 7.
Na3 Bxa3 8. bxa3 O-O 9. Qc2 b5 10. Nd4 Ne5 11. Nxc6 Nxc6 12. Bxc6 Bd7 13. Bxa8
Qxa8 14. Bb2 Nd5 15. axb5 Bxb5 16. Bxg7 Rc8 17. Bd4 Ne7 18. f3 Nf5 19. Bf2 h5
20. Qe4 Qxe4 21. fxe4 {Pantsulaia,L (2564)-Fier,A (2604) chess.com INT 2023 1-0
}) 7. Qc2 Qd5 8. Na3 Bxa3 9. Rxa3 $146 ({RR} 9. bxa3 Qe4 10. Qxe4 Nxe4 11. Bb2
f6 12. Rac1 Nd6 13. Bd4 e5 14. Be3 Be6 15. Rb1 Ke7 16. Ne1 g5 17. Nc2 Bd5 18.
Nb4 Nxb4 19. Rxb4 b6 20. Rfb1 Nb7 21. Bh3 h5 22. Bf5 g4 23. h4 gxh3 {Parra
Ordorica,A (1976)-Massanet Massanet,S (2232) Linares ESP 2022 0-1 (44)}) ({RR} 
9. bxa3 Nc5 10. Bb2 Ncd7 11. Ne5 Qc5 12. Qxc4 Qxc4 13. Nxc4 Nb6 14. Nd6+ Ke7
15. Nxc8+ Rhxc8 16. a5 Nc4 17. Bc3 b6 18. axb6 axb6 19. d3 Nd6 20. a4 Ra6 21.
e4 Nfe8 22. Rfb1 Kd7 23. g4 Rca8 {Kolytas,S (1790)-Laxman,R (2349)
Thessaloniki GRE 2023 1/2-1/2}) 9... O-O 10. Re3 Nb4 11. Qc3 Qc5 12. d4 Qd6 13.
Qxc4 a5 14. Rb3 Nfd5 15. e4 Nb6 16. Qe2 Nxa4 17. Bf4 Qe7 18. Ra1 b5 19. Ne5 Bb7
20. h4 Rfd8 21. Rd1 Nb6 22. Qg4 Nd7 23. Bh6 f5 24. exf5 Nxe5 25. dxe5 Rxd1+ 26.
Qxd1 gxh6 27. f6 Qf7 28. Qd2 Nd5 29. Qxh6 a4 30. Rf3 b4 31. Bh3 Bc8 32. Qc1 Bd7
33. Bg4 Kh8 34. Kg2 Qf8 35. f7 a3 36. bxa3 bxa3 37. Bxe6 a2 38. Bxd5 a1=Q 39.
Qf4 cxd5 40. Qf6+ Qg7 41. Qd6 Rf8 42. e6 Bxe6 43. Qxe6 Qae5 44. Qd7 Qe4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "de Deus Filho, Joaquim"]
[Black "Wagner, Julia"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "39"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 g6 6. Bg2 Bg7 7. O-O Nge7 8. Qe2
O-O 9. Re1 b6 10. h4 ({RR} 10. e5 h6 11. h4 f6 12. exf6 Rxf6 13. Nf1 Rf7 14.
N3h2 Qf8 15. c3 Bd7 16. Bd2 Re8 17. Ne3 Kh8 18. Rf1 Bc8 19. Rab1 Ba6 20. Rfd1
Ne5 21. Be1 Nf5 22. Nc2 c4 23. d4 Nd3 24. Nf3 e5 {Wynn,Z (2407)-Al Modiahki,M 
(2550) Baku 2016 0-1 (46)}) 10... h5 ({RR} 10... a5 11. e5 Nf5 12. c3 Ba6 13.
a4 Rb8 14. Nf1 h6 15. N1h2 b5 16. axb5 Rxb5 17. Ng4 Qe7 18. Bf4 Rfb8 19. Nf6+
Kh8 20. Ra2 Qb7 21. g4 Nfe7 22. Rb1 Rb3 23. Nd2 Rb6 24. Bf1 Qc7 25. Bg3 {
Demski,M (2097)-Hetzer,V (1933) Polanica Zdroj POL 2023 0-1 (48)}) 11. Nf1 $146
({RR} 11. e5 Qc7 12. c3 Bb7 13. Nf1 b5 14. Bf4 b4 15. N1h2 Nf5 16. g4 hxg4 17.
Nxg4 a5 18. Bg5 Rfb8 19. Nf6+ Kf8 20. h5 Nce7 21. hxg6 Nxg6 22. Nh2 Bxf6 23.
Bxf6 Ke8 24. Qg4 Kd7 25. Nf3 Rf8 {Hetzer,V (2063)-Szumilas,P (2197) Wroclaw
2010 1/2-1/2 (33)}) 11... Ba6 12. e5 Nd4 13. Nxd4 cxd4 14. Bg5 Qc7 15. Rac1 Nc6
16. f4 Rfe8 17. Nh2 Ne7 18. g4 hxg4 19. Nxg4 Kf8 20. Nf6 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "10"]
[White "dos Anjos, Avner Augusto"]
[Black "Lage, Pedro"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "36"]
[EventDate "2021.??.??"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6. Qb3 c4 7. Qc2 g6 8. f3 ({
RR} 8. h3 Bf5 9. Qc1 Qd8 10. Ngf3 Bg7 11. Be2 O-O 12. O-O b5 13. Ne5 Qc8 14.
Bf3 Rd8 15. Re1 h5 16. a4 a6 17. Nxc6 Qxc6 18. Be5 Rac8 19. axb5 axb5 20. Bxf6
Qxf6 21. e4 dxe4 22. Bxe4 Bd7 {Carlsen,M (2839)-Vidit,S (2716) chess.com INT
2023 1/2-1/2 (84)}) 8... Bg7 9. Ne2 ({RR} 9. e4 Nh5 10. Be3 e5 11. exd5 exd4
12. Nxc4 Qc5 13. cxd4 Nxd4 14. Qe4+ Kd8 15. O-O-O Bf5 16. Bxd4 Bh6+ 17. Kb1
Bxe4+ 18. fxe4 Qb4 19. Bxh8 Rc8 20. Nf3 Rxc4 21. Bxc4 Qxc4 22. Rhe1 Nf4 23. Ne5
Qb5 {Adithya A Chullikkad (2196)-Sukandar,I (2395) chess.com INT 2023 0-1 (40)}
) 9... O-O 10. Ng3 $146 ({RR} 10. e4 e6 11. Ng3 h5 12. e5 Nh7 13. h4 Bd7 14.
Ne2 Be8 15. g4 f6 16. gxh5 fxe5 17. dxe5 Rxf4 18. hxg6 Nf8 19. h5 Nxe5 20.
O-O-O Qe3 21. Nxf4 Qxf4 22. Be2 b5 23. Kb1 Rb8 24. Ka1 b4 {Zini,J (2078)
-Martins,C (2225) Foz do Iguacu 2014 0-1 (31)}) 10... Re8 11. O-O-O Qa5 12. Kb1
b5 13. e4 e5 14. dxe5 Nxe5 15. Bg5 d4 16. cxd4 Nc6 17. Nxc4 bxc4 18. Bxc4 Qxg5
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Abrantes, Tiago Garrido"]
[Black "Damasceno, Enzo"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "37"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. g3 c6 5. Bg2 dxc4 6. a4 c5 7. Na3 Nc6 8. O-O
cxd4 9. Nxc4 Be7 10. Qb3 $146 ({RR} 10. a5 O-O 11. a6 Nd5 12. Nxd4 Nxd4 13.
Qxd4 bxa6 14. Na5 Qb6 15. Qa4 Qb5 16. Nc6 Bc5 17. e4 Nb4 18. Qxb5 axb5 19. Nxb4
Bxb4 20. e5 Rb8 21. Be3 Bb7 22. Rxa7 Bxg2 23. Kxg2 Rfe8 24. Rd1 Re7 {Hackel,M 
(2305)-Polard,G (2165) Germany 2005 1/2-1/2 (45)}) 10... Nd5 11. Rd1 Bf6 12. e4
Nb6 13. e5 Be7 14. Be3 Nxc4 15. Qxc4 Qa5 16. Nxd4 Nxe5 17. Qb5+ Qxb5 18. Nxb5
O-O 19. Nc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Almeida Jr, Alvaro"]
[Black "Moreira, Cleber Naief"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. e6 fxe6 8. h4 (
{RR} 8. Ng5 Nb6 9. Bd3 Nc6 10. Nxh7 Kxh7 11. Qh5+ Kg8 12. Bxg6 Rf6 13. f5 exf5
14. Qh7+ Kf8 15. Bh6 Rxg6 16. Qxg6 Bxh6 17. Qxh6+ Ke8 18. Qg6+ Kd7 19. Qxf5+ e6
20. Qh7+ Qe7 21. Qxe7+ Kxe7 22. O-O-O Bd7 {Iuldachev,S (2550)-Dzhumaev,M (2520)
Pune 2004 0-1 (55)}) 8... c5 $146 ({RR} 8... Nf6 9. Ng5 Nh5 10. Qf3 Bxd4 11. g4
Nf6 12. h5 Bxc3+ 13. Qxc3 h6 14. hxg6 Nxg4 15. Qh3 e5 16. Be2 Rxf4 17. Bxf4 Qf8
18. Bxg4 Bxg4 19. Qxg4 exf4 20. Qe6+ Kg7 21. O-O-O Nc6 22. Rxh6 Kxh6 23. Nf7+ {
Rietveld,L (1770)-Gruber,D (1980) Finkenstein 1994 1-0}) ({RR} 8... Nf6 9. Bd3
c5 10. dxc5 d5 11. h5 gxh5 12. Ne5 Qe8 13. g4 Nc6 14. g5 Nxe5 15. fxe5 Ng4 16.
Bxh7+ Kh8 17. Bd3 Kg8 18. g6 Rf5 19. Bxf5 exf5 20. Qxd5+ e6 21. Qc4 Qxg6 22.
Bf4 Bd7 23. O-O-O {Kalashian,D (2398)-Franca,W (2179) chess.com INT 2021 1-0 
(37)}) 9. h5 cxd4 10. Nxd4 Bxd4 11. Qxd4 Nc6 12. Qc4 d5 13. Nxd5 exd5 14. Qxd5+
Kg7 15. Bd2 Nf6 16. Qg5 Qxd2+ 17. Kxd2 Ne4+ 18. Ke3 Nxg5 19. fxg5 Rf5 20. Bc4
Re5+ 21. Kd2 Rxg5 22. h6+ Kf8 23. Rhf1+ Bf5 24. Rf2 Rd8+ 25. Kc3 Rg3+ 26. Bd3
Ne5 27. Raf1 Nxd3 28. cxd3 Rgxd3+ 29. Kc4 R8d4+ 30. Kc5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Almeida, Tiago"]
[Black "Pontes, Felipe"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 cxd4 5. exd4 Nc6 6. Bf4 Bg4 7. f3 Bh5 8. Ne2
e6 9. Qb3 Qb6 ({RR} 9... Qc8 10. O-O Be7 11. Nd2 Bg6 12. Qc2 b5 13. Rac1 O-O
14. Bxg6 hxg6 15. Qd3 b4 16. cxb4 Nxb4 17. Qa3 Qe8 18. Rc7 a5 19. Rfc1 Nh5 20.
Be3 Bd6 21. Rb7 Rb8 22. Rxb8 Qxb8 23. Nf1 Nc2 24. Qb3 {Elarbi,A (2259)-So,W 
(2652) Istanbul 2012 0-1 (48)}) ({RR} 9... Qd7 10. Nd2 Bg6 11. Qc2 Rc8 12. Qb1
Bd6 13. a4 Na5 14. O-O Nc4 15. Nxc4 dxc4 16. Bxg6 hxg6 17. Qc1 Nd5 18. Bxd6
Qxd6 19. g3 O-O 20. Qg5 Rc6 21. a5 Rfc8 22. h4 Qd8 23. Qxd8+ Rxd8 24. Kf2 {
Hazim,E (1748)-Berzina,I (2218) Batumi GEO 2018 1/2-1/2 (57)}) 10. Nd2 $146 ({
RR} 10. Qxb6 axb6 11. Nd2 Bg6 12. Bb5 Nd7 13. Nc1 Na7 14. Be2 b5 15. Nd3 Nc6
16. a3 b4 17. Kf2 bxc3 18. bxc3 Be7 19. Rhb1 Ra7 20. Rb3 O-O 21. a4 Rc8 22. Nb1
Kf8 23. Rb5 Ke8 24. Be3 Na5 {Braso,J (2235)-Menna Barreto,L (2220) Mendoza
1985 1/2-1/2 (65)}) 10... Qxb3 11. axb3 Be7 12. Kf2 Bg6 13. Bb5 O-O 14. Bxc6
bxc6 15. Ra6 c5 16. Rha1 cxd4 17. cxd4 e5 18. Bxe5 Nd7 19. Bf4 Rfe8 20. Rxa7
Rxa7 21. Rxa7 Nf8 22. Nc3 Bf6 23. Ra4 Bd3 24. Be3 h6 25. Nxd5 Bh4+ 26. g3 Bg5
27. f4 Bf6 28. Nxf6+ gxf6 29. d5 f5 30. Rd4 Ba6 31. Nc4 Nd7 32. Nd6 Rb8 33. b4
Nf6 34. h3 Nxd5 35. Rxd5 Rxb4 36. Rd2 Ra4 37. Nxf5 Ra1 38. Rd6 Bc4 39. Nxh6+
Kf8 40. Nf5 Kg8 41. Bd4 Rc1 42. Ke3 Re1+ 43. Kd2 Re2+ 44. Kc3 Be6 45. Rd8+ Kh7
46. Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Andrade, Dalson Holanda"]
[Black "Mota, Romulo Cardoso"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Bf4 c5 3. e3 g6 4. Nf3 ({RR} 4. c3 b6 5. Na3 Bb7 6. Nf3 Bg7 7. Nb5
Nd5 8. Be5 Bxe5 9. dxe5 Nc7 10. Na3 Nc6 11. h4 d5 12. exd6 Qxd6 13. Qxd6 exd6
14. O-O-O Ke7 15. Nb5 Ne8 16. c4 Rd8 17. Nc3 Nf6 18. Be2 Ne5 {Kravtsiv,M (2628)
-Saric,I (2681) Konya TUR 2019 1/2-1/2 (41)}) 4... cxd4 5. exd4 d6 ({RR} 5...
Bg7 6. Be2 O-O 7. O-O d6 8. Nc3 Bf5 9. h3 Ne4 10. Nxe4 Bxe4 11. c3 {1/2-1/2 
(11) Pourramezanali,A (2501)-Fedorchuk,S (2607) Lyon FRA 2023}) 6. h3 $146 ({RR
} 6. Nbd2 Bg7 7. c3 Nc6 8. Qc2 Bd7 9. Rd1 Rc8 10. Qb1 e5 11. dxe5 dxe5 12. Bg5
Qc7 13. Bxf6 Bxf6 14. Ne4 Be7 15. Bb5 O-O 16. Qc1 a6 17. Ba4 b5 18. Bb3 Bg4 19.
Qh6 Bxf3 20. gxf3 Rcd8 {Benesch,F-Kutscha,O Vienna 1921 1-0}) 6... Qb6 7. b3
Nd5 8. Bd2 Bf5 9. c3 Qc7 10. Bc4 Nb6 11. Bb5+ N8d7 12. O-O a6 13. Be2 Nf6 14.
c4 Ne4 15. Be3 d5 16. c5 Nd7 17. Qc1 Bg7 18. Nc3 Ndf6 19. b4 h5 20. b5 Qc8 21.
bxa6 bxa6 22. Nxe4 Nxe4 23. Bd3 f6 24. Nh4 Bxh3 25. gxh3 Qxh3 26. Bxe4 dxe4 27.
Ng2 h4 28. Qd1 Qf5 29. f4 Rb8 30. Qe2 h3 31. Ne1 Rh4 32. Kh2 Bh6 33. Qf2 Rg4
34. Rc1 e5 35. d5 exf4 36. d6 fxe3 37. Qxf5 gxf5 38. Rxf5 Kd7 39. c6+ Ke6 40.
c7 Rc8 41. Rxf6+ Kxf6 42. d7 Rgg8 43. Rc6+ Ke5 44. dxc8=Q Bf4+ 45. Kxh3 Rxc8
46. Kg4 Kd5 47. Rxa6 Bxc7 48. Ng2 Rg8+ 49. Kh3 Rg3+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Andrade, Roberto Costa"]
[Black "Valcarcel, Victor I"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 cxd5 9. O-O O-O 10. Bg5 Bb7 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2
a5 $146 ({RR} 14... Rfe8 15. c3 Bf8 16. Rfe1 Re5 17. Nd4 Rae8 18. Nf3 Rxe1+ 19.
Rxe1 Rxe1+ 20. Nxe1 Kg7 21. Nf3 Bc8 22. Nd4 c5 23. Nf5+ Bxf5 24. Bxf5 h5 25. g3
Bd6 26. f4 h4 27. Kf2 hxg3+ 28. Kxg3 a5 29. h3 {Fanenbruck,G-Bodenstein,J 
(1860) Bad Zwischenahn 2003 1/2-1/2 (49)}) 15. Rad1 Bd6 16. Ng3 Bxg3 17. fxg3
Kg7 18. Rf4 Rfe8 19. Rg4+ Kf8 20. Rh4 Kg7 21. Rf1 Re6 22. Rff4 Ba6 23. Rfg4+
Kf8 24. Rxh6 Ke7 25. Rd4 Kd6 26. Bxa6 Rxa6 27. Rh8 Kc5 28. Rd2 Re1+ 29. Kf2
Rae6 30. Ra8 c6 31. Rxa5+ Kb6 32. Ra3 Rh1 33. Rb3+ Kc7 34. h3 Ree1 35. g4 Rhf1+
36. Kg3 f5 37. gxf5 Rxf5 38. Rf3 Rg5+ 39. Kf2 Re7 40. g4 Rge5 41. Kg3 Kd6 42.
Rdf2 Re2 43. h4 d4 44. g5 c5 45. h5 Re1 46. g6 Rg1+ 47. Rg2 Rh1 48. Rh2 Rg1+
49. Kf4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Aoyama, Edmundo"]
[Black "Cavalcante, Rodrigo"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "73"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O e6 5. d4 Nbd7 6. Nbd2 Be7 7. Re1 ({RR} 7.
c3 O-O 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Re1 c5 13. dxc5
Bxc5 14. Be3 Qb6 15. Qb3 Bxe3 16. Rxe3 Qxb3 17. axb3 Nd5 18. Rd3 Kf8 19. Ne5 f6
20. Nc4 Nc7 21. Rad1 e5 {Vastrukhin,O (2343)-Panakhova,E (1837) Yalta UKR 2023
1-0 (32)}) 7... Ne4 $146 ({RR} 7... O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Rxe4 b6 11.
Re1 Bb7 12. Qe2 Qc7 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Rad1 Qc7 16. c4 c5 17. d5
exd5 18. cxd5 Nf6 19. d6 Qc6 20. Nh4 Qd7 21. Bxb7 Qxb7 22. Nf5 {Hausner,I 
(2419)-Turner,J (2390) Klatovy 2011 1-0}) ({RR} 7... O-O 8. e4 c5 9. e5 Ne8 10.
c3 b6 11. Nf1 Bb7 12. h4 Nc7 13. Bf4 Nb8 14. N1h2 Nc6 15. Ng4 Ba6 16. h5 cxd4
17. cxd4 Nb4 18. h6 g6 19. Bf1 Bxf1 20. Rxf1 Rc8 21. a3 Nc6 22. Qe2 {Fressinet,
L (2709)-Nigalidze,G (2527) Yerevan 2014 1-0 (46)}) 8. Nxe4 dxe4 9. Nd2 f5 10.
f3 Nf6 11. e3 exf3 12. Nxf3 O-O 13. c3 Ne4 14. Nd2 Nd6 15. Rf1 Bg5 16. Qe2 Bd7
17. Nf3 Bf6 18. Nd2 Bg5 19. Nf3 Be7 20. Nd2 Be8 21. e4 Bg6 22. e5 Nf7 23. Nb3
Qc7 24. Bf4 Rad8 25. Rad1 Ng5 26. Bxg5 Bxg5 27. Qc4 Bf7 28. Nc5 Qc8 29. b4 Rfe8
30. Qe2 b6 31. Nd3 Re7 32. Kh1 Rc7 33. Qf3 Qa6 34. Rf2 Qc4 35. Rc2 Bg6 36. Nf4
Bf7 37. Bf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Aranha Filho, Alvaro"]
[Black "Uczai, Joao Pedro"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 d5 5. Bd3 c6 6. Nge2 Bd6 7. Qc2 O-O 8. h3 ({
RR} 8. Bd2 Kh8 9. f3 dxc4 10. Bxc4 Qe7 11. O-O Nbd7 12. e4 fxe4 13. Nxe4 Nxe4
14. Qxe4 Nf6 15. Qh4 e5 16. Rae1 Qc7 17. Bd3 Be6 18. Bc3 Bg8 19. Kh1 Rae8 20.
dxe5 Bxe5 21. Bxe5 Rxe5 22. Nf4 Bf7 {Wojtaszek,R (2715)-Yudin,S (2546) Dubai
2014 0-1 (73)}) ({RR} 8. b3 Ne4 9. Bb2 Nd7 10. g3 b6 11. f3 Nxc3 12. Nxc3 Qg5
13. Qd2 Bb7 14. O-O-O Nf6 15. Kb1 Rad8 16. g4 fxg4 17. f4 Qh4 18. Qg2 c5 19.
Nb5 Bb8 20. dxc5 bxc5 21. h3 g3 22. Bc2 e5 {Chandar,R (1901)-Md Imran (2174)
Shillong IND 2023 0-1 (37)}) 8... Ne4 9. O-O b6 $146 ({RR} 9... Kh8 10. f3 Nxc3
11. bxc3 b6 12. a4 Ba6 13. cxd5 Bxd3 14. Qxd3 cxd5 15. c4 Nd7 16. cxd5 exd5 17.
Ba3 Qe7 18. Nf4 Bxa3 19. Qxa3 Qf7 20. h4 Nf6 21. a5 Rab8 22. Rfc1 Qd7 23. Nd3
Qe6 24. Ne5 {Vernay,C (2238)-Djuric,N (2139) Herceg Novi 2005 1/2-1/2 (42)})
10. f3 Nxc3 11. bxc3 Qe7 12. e4 fxe4 13. fxe4 Bh2+ 14. Kxh2 Rxf1 15. Nf4 Rxc1
16. Rxc1 e5 17. Ne2 Qd6 18. Kh1 Be6 19. exd5 cxd5 20. Bxh7+ Kh8 21. cxd5 Bxd5
22. Rd1 Nc6 23. Be4 exd4 24. Nxd4 Re8 25. Bxd5 Qxd5 26. Nf3 Qf7 27. Qa4 Qf6 28.
Qg4 Rd8 29. Re1 Qf7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Araujo, Everson"]
[Black "Proudian, Armen"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "84"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 e6 3. c4 a6 4. d4 b5 5. b3 Bb7 6. Bg2 c5 7. O-O ({RR} 7. d5
exd5 8. Nh4 g6 9. cxd5 Bg7 10. Bb2 d6 11. O-O O-O 12. e4 Re8 13. Qc2 Nbd7 14.
Nd2 Rc8 15. Rac1 a5 16. Rfe1 c4 17. bxc4 bxc4 18. Nxc4 Nb6 19. Bf1 Ba6 20. Qb3
Bxc4 21. Bxc4 Rxe4 {Ponkratov,P (2659)-Rakhmanov,A (2657) Ufa RUS 2021 1/2-1/2
(34)}) 7... bxc4 8. bxc4 cxd4 9. Bb2 $146 ({RR} 9. Nxd4 Bxg2 10. Kxg2 Be7 11.
Qa4 O-O 12. Rd1 Qc7 13. Ba3 Bxa3 14. Nxa3 Ne4 15. Qb3 Nc6 16. Qf3 f5 17. Nb3
Ne5 18. Qf4 Rf7 19. Rac1 g5 20. Qe3 Ng4 21. Qd4 Nexf2 22. Nc5 Qc6+ 23. e4 e5 {
Isaev,A (2156)-Khismatullin,D (2579) Sochi RUS 2023 0-1}) 9... Be7 10. Nbd2 O-O
11. Bxd4 Nc6 12. Rb1 Qc8 13. Ba1 Rb8 14. Qa4 Qc7 15. Bc3 d6 16. Rfc1 Nd7 17.
Nd4 Nc5 18. Rxb7 Rxb7 19. Qxc6 Qxc6 20. Nxc6 Bf6 21. Bxf6 gxf6 22. Ne4 Rb2 23.
Nxc5 dxc5 24. a4 Rxe2 25. Rb1 Rc2 26. Bf1 Kg7 27. a5 Rc8 28. Nb8 Ra2 29. Nxa6
Rxa5 30. Nb8 Ra8 31. Nd7 Ra7 32. Nb8 Ra8 33. Nd7 Rc7 34. Bg2 Ra2 35. Nb6 Rc2
36. Bf3 Ra7 37. Bd1 Rd2 38. Nc8 Ra8 39. Nb6 Rb8 40. Bf3 Rd6 41. Rb5 Rbxb6 42.
Rxc5 Rb2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Azevedo Jr, Joao"]
[Black "da Cruz, Emerson"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "16"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Nxd4 Nf6 7. Nc3 g6
8. Bg5 Bg7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Barbosa, Evandro Amorim"]
[Black "Bittencourt, Jorge"]
[Result "1/2-1/2"]
[ECO "C78"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. axb5
axb5 9. Nxe5 Nxe5 10. d4 Bxd4 11. Qxd4 d6 12. f4 Nc6 13. Qc3 Ne7 14. Ra7 c5 15.
e5 Nfd5 ({RR} 15... Ne4 16. Qf3 d5 17. c3 c4 18. Bc2 Bg4 19. Rxe7+ Qxe7 20.
Qxg4 Qc5+ 21. Kh1 Nf2+ 22. Rxf2 Qxf2 23. Qd1 O-O 24. Bd2 d4 25. cxd4 Rfd8 26.
Qc1 b4 27. Be3 Qe2 28. Bg1 c3 29. bxc3 bxc3 30. Nxc3 {Caruana,F (2835)-Carlsen,
M (2863) chess24.com INT 2020 1/2-1/2 (64)}) 16. Bxd5 Nxd5 17. Qd2 ({RR} 17.
Qf3 Qb6 18. Rxf7 c4+ 19. Kh1 Kxf7 20. Qxd5+ Be6 21. Qd1 Bf5 22. Qh5+ g6 23. Qh6
Qd8 24. Nd2 Qf8 25. Qh4 Qe7 26. Qh6 Qf8 27. Qh4 h5 28. Nf3 Qe7 29. Ng5+ Kg7 30.
Be3 dxe5 31. fxe5 Rbd8 {Shonazarov,O (2276)-Zverev,L (2361) Almaty KAZ 2023
1-0 (49)}) 17... Qb6 $146 ({RR} 17... Rb7 18. Rxb7 Bxb7 19. exd6 O-O 20. Nc3
Qxd6 21. Rd1 Rd8 22. Nxb5 Qb6 23. c4 Rd7 24. Qe2 Nf6 25. Rxd7 {1/2-1/2 (25)
Santarius,E (2313)-Mulyar,M (2390) Philadelphia 2017}) 18. Ra3 c4+ 19. Kh1 b4
20. Rg3 Ne7 21. exd6 Nf5 22. Re1+ Be6 23. d7+ Kf8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Barbosa, Marcio Jordao"]
[Black "Silva, Lucas Henrique"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Nc6 8. a3
Nxd4 9. Qxd4 Bc5 10. Qd3 O-O ({RR} 10... b5 11. Kh1 Bb7 12. f4 h5 13. Bf3 Rc8
14. e5 Ng4 15. Bxb7 Qxb7 16. Ne4 Qc6 17. Bd2 Nh6 18. Bb4 Bxb4 19. axb4 Qxc2 20.
Nd6+ Kf8 21. Qd4 Rc6 22. Rad1 Kg8 23. Rd2 Nf5 24. Qf2 Qb3 25. Nxf5 {Reyes
Larena,J (2441)-Rubio Mejia,L (2432) Madrid 2013 0-1}) 11. Kh1 h6 ({RR} 11...
b5 12. f4 Bb7 13. e5 Nd5 14. Ne4 Be7 15. c3 {1/2-1/2 (15) Bozinovic,B (1931)
-Petrovic,D (2141) Vrnjacka Banja SRB 2023}) 12. f4 d6 $146 ({RR} 12... b5 13.
e5 Ne8 14. f5 Qxe5 15. Bf4 Qd4 16. Qg3 exf5 17. Rad1 Qf6 18. b4 Ba7 19. Nd5 Qe6
20. Bf3 Kh7 21. Rfe1 Qg6 22. Qh3 Bb7 23. Ne7 Qb6 24. Bxb7 Qxb7 25. Qxf5+ g6 26.
Nxg6 fxg6 27. Qxf8 {Czernek,T (2359)-Zabron,M (1932) Pokrzywna POL 2020 1-0 
(31)}) 13. e5 dxe5 14. fxe5 Qxe5 15. Bf4 Qf5 16. Qd1 Ne4 17. Nxe4 Qxe4 18. Bd3
Qd5 19. Qe2 f5 20. Rad1 Qc6 21. Bc4 Kh7 22. Bb3 b5 23. Rd2 Rf6 24. Rf3 Bb7 25.
Rg3 Raf8 26. Be5 f4 27. Rf3 Rf5 28. c3 Qe4 29. Bc2 Qxe2 30. Rxe2 Bxf3 31. gxf3
Kg8 32. Bxf5 Rxf5 33. Re4 g5 34. Kg2 Kf7 35. h4 Be3 36. b3 Kg6 37. Kh3 Kh5 38.
c4 Rf8 39. Bd6 Rc8 40. Rxe6 bxc4 41. bxc4 Rc6 42. Rf6 Bd4 43. Re6 Bc5 44. Bxc5
Rxe6 45. Bf8 Re3 46. Kg2 Kxh4 47. Bxh6 Rxa3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Bisesar, Maycon"]
[Black "de Deus Filho, Joaquim"]
[Result "1/2-1/2"]
[ECO "A51"]
[PlyCount "34"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 b6 5. e3 Be7 ({RR} 5... Bb7 6. Be2 Bb4+
7. Nbd2 Nxd2 8. Bxd2 Bxd2+ 9. Qxd2 Nc6 10. O-O Qe7 11. Rfd1 O-O-O 12. Qc3 Rhe8
13. Rd5 Na5 14. Rd2 Nc6 15. Rd5 Nb8 16. Rd2 Bxf3 17. Bxf3 Qxe5 18. Qa3 Nc6 19.
Rad1 Qe6 20. Bd5 {Pulvett,D (2499)-Ozen,D (2397) chess.com INT 2022 1-0}) ({RR
} 5... Bb7 6. Be2 Bb4+ 7. Nbd2 O-O 8. a3 Nxd2 9. Bxd2 Bxd2+ 10. Qxd2 Nc6 11.
O-O Qe7 12. Rfd1 Rad8 13. Qc3 Rfe8 14. Rd5 Na5 15. Rd2 Nc6 16. Rad1 d6 17. exd6
cxd6 18. Nd4 Ne5 19. Nf5 Qg5 20. Ng3 {Aponte Castillo,E (2023)-Becerra,C (1508)
Velez, Santander COL 2023 1-0}) 6. Be2 O-O 7. O-O Bb7 8. b3 $146 ({RR} 8. Nbd2
d6 9. exd6 Bxd6 10. Qc2 Re8 11. Rd1 Nd7 12. b3 Ndf6 13. Bb2 Ng4 14. Nxe4 Bxe4
15. Qc3 f6 16. h3 Nh6 17. Ne1 Qe7 18. Bf3 Bxf3 19. Nxf3 Nf7 20. Qc2 Rad8 21.
Nd4 Qd7 22. Nf5 Qe6 {Rius Riu,G (1936)-Cassi de la Viuda,A (1727) Barcelona
2015 1-0 (51)}) 8... Nc6 9. Bb2 Re8 10. Nbd2 Nc5 11. Bc3 a5 12. Qc2 Bf8 13.
Rad1 g6 14. a3 Bg7 15. b4 axb4 16. axb4 Na4 17. Ba1 Nxb4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Borges, Ivoney"]
[Black "Monteiro, Marcos Paulo"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. e4 {Schulz,André} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7
7. f3 Nc6 8. Qd2 O-O 9. O-O-O Bd7 10. g4 Rc8 11. Kb1 Re8 ({RR} 11... h5 12. h3
({RR} 12. gxh5 Nxh5) ({RR} 12. g5) 12... a6 ({RR} 12... Ne5 13. f4 Nc4 14. Bxc4
Rxc4 15. e5) ({RR} 12... Qa5 13. Nxc6 Bxc6 14. Nd5 Qd8 15. Nxf6+ Bxf6 16. gxh5)
13. Be2 b5 14. Nd5 Nxd5 15. exd5 Nxd4 ({RR} 15... Ne5 16. gxh5) 16. Bxd4 Bxd4
17. Qxd4 h4 18. Bd3 Re8 ({RR} 18... e5 19. dxe6 Bxe6 20. f4 Rc5 ({RR} 20... Qa5
21. a3 b4 22. Qxb4 Qxb4 23. axb4) 21. Rhf1) 19. f4 Rc5 20. b3 a5 21. Rhf1 Qa8
22. Be4 a4 23. f5 axb3 24. axb3 g5 25. f6 Qd8 26. Bg6 {Marciano,D (2485)
-Relange,E (2490) Sabac 1998 CBM 065 [Schulz,André] 1-0} {RR} e5 27. Qd2) ({RR
} 11... Qa5 12. Nb3 Qc7 13. h4 h5 14. g5 Nh7 15. Nd5 Qd8 16. f4 Bg4 17. Be2
Bxe2 18. Qxe2 e6 19. Nc3 Bxc3 20. bxc3 Na5 21. f5 exf5 22. exf5 Re8 23. Qd3 Nf8
24. Rhf1 Nc4 25. fxg6 Rxe3 26. gxf7+ {Ljukin,S (2362)-Lauridsen,J (2251) chess.
com INT 2023 1-0 (35)}) 12. h4 h5 13. gxh5 Nxh5 14. Nde2 $146 ({RR} 14. Nxc6
Bxc6 15. Bd4 Qa5 16. Bxg7 Nxg7 17. Bh3 Rc7 18. Bg4 e6 19. h5 gxh5 20. Bxh5 Nxh5
21. Qh6 f5 22. Rxh5 Rg7 23. Rg5 Qc7 24. Rh1 Rxg5 25. Qxg5+ Qg7 26. Qxg7+ Kxg7
27. Kc1 f4 28. Rh4 e5 {Sundin,S (1607)-Skovgaard,E (1764) Helsingor 2017 0-1 
(53)}) 14... Ne5 15. Nd4 Ng3 16. Bd3 Nxh1 17. Rxh1 Nc4 18. Bxc4 Rxc4 19. h5 e5
20. Nde2 Qf6 21. hxg6 fxg6 22. Ng3 Be6 23. Bg5 Rd4 24. Qe3 Qf7 25. b3 Rc8 26.
Nb5 a6 27. Nxd4 exd4 28. Qd2 Rc3 29. Bh6 d3 30. Bxg7 dxc2+ 31. Kb2 c1=Q+ 32.
Rxc1 Rxc1 33. Kxc1 Qxg7 34. Kd1 Qa1+ 35. Ke2 Qe5 36. f4 Qc5 37. f5 gxf5 38.
exf5 Qe5+ 39. Qe3 Qb2+ 40. Qd2 Qe5+ 41. Qe3 Qb2+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Bueno, Marcos Antonio"]
[Black "Santiago, Mauro"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "48"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nd7 5. d3 e5 6. Nbd2 Ngf6 7. e4 dxe4 8.
Nxe4 Nxe4 9. dxe4 Bc5 10. c3 O-O 11. Qc2 Qc7 12. b4 Bd6 $146 ({RR} 12... Be7
13. a3 Rfd8 14. Be3 Nf8 15. h3 Bxf3 16. Bxf3 Ne6 17. Bg2 Bg5 18. Bxg5 Nxg5 19.
f4 Ne6 20. f5 Nf8 21. Rad1 f6 22. Kh2 Nd7 23. Rf3 Nb6 24. Rfd3 Kf8 25. Bf1 Rxd3
26. Qxd3 Ke7 27. c4 {Supper,M-Berresheim,H Hachenburg 1995 0-1 (34)}) 13. h3
Be6 14. Be3 Nb6 15. Nd2 Rad8 16. Nb3 Nc4 17. Bc5 b6 18. Bxd6 Rxd6 19. Rfd1 Rfd8
20. Rxd6 Rxd6 21. Rd1 Qd7 22. Rxd6 Qxd6 23. Qe2 g6 24. Nc1 Qd2 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cadilhac, Igor"]
[Black "Quintiliano, Renato"]
[Result "1/2-1/2"]
[ECO "B54"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Nc6 7. Nc3 Be7 8. Be3
O-O 9. Rc1 d5 10. cxd5 exd5 11. exd5 Nb4 12. Bc4 Nfxd5 13. Nxd5 Nxd5 14. Bxd5
Qxd5 15. Qb3 Qa5+ $146 ({RR} 15... Qxb3 16. axb3 Bf6 17. Kf2 Rd8 18. Rhd1 Bd7
19. Rc7 Bc6 20. Rd2 Bxd4 21. Rxd4 Rxd4 22. Bxd4 a6 23. h4 Rd8 24. Bc3 f6 25.
Re7 h5 26. b4 Kf8 27. Re3 Kf7 28. Re2 Rd5 29. Rd2 Rf5 30. Ke3 {Drozdowski,K 
(2448)-Shankland,S (2711) chess.com INT 2023 1/2-1/2 (46)}) 16. Kf2 Bf6 17.
Rhd1 Rd8 18. Rc4 Bd7 19. Rdc1 b5 20. Qc3 Qxa2 21. Rc5 Be8 22. Rc2 Qa1 23. Rd2
Qh1 24. Bg5 Rxd4 25. Rxd4 Bxd4+ 26. Qxd4 Qxh2 27. Bh4 Qb8 28. Rg5 f6 29. Qxf6
Qb6+ 30. Qxb6 axb6 31. Bg3 h6 32. Rd5 Rc8 33. Be5 Rc5 34. Rxc5 bxc5 35. Bd6 c4
36. g4 g6 37. f4 h5 38. Kg3 Bd7 39. gxh5 gxh5 40. Kh4 Be8 41. Kg5 Bf7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Campos, Otavio"]
[Black "Carvalho, Willian"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 d5 3. Bf4 g6 ({RR} 3... Nc6 4. e3 e6 5. a3 Bd6 6. Bg3 h5 7. Nf3
Ne4 8. Bxd6 Qxd6 9. Nc3 Nxc3 10. bxc3 e5 11. dxe5 Nxe5 12. cxd5 Bg4 13. Be2
Nxf3+ 14. Bxf3 Bxf3 15. Qxf3 f6 16. Qf5 Rh6 17. O-O h4 18. Qe4+ {Babic,
A-Molina,C lichess.org INT 2022 0-1 (54)}) 4. e3 $146 ({RR} 4. Nd2 Bg7 5. e3
dxc4 6. Bxc4 O-O 7. Ngf3 Bg4 8. h3 Bxf3 9. Nxf3 Nd5 10. Bh2 Re8 11. Qb3 e6 12.
Qxb7 Nd7 13. Bxd5 exd5 14. Qxd5 Nb6 15. Qb3 Bxd4 16. Nxd4 Qxd4 17. O-O Qc4 18.
Qd1 Rad8 {Mathias,C (1506)-Silva,D (1579) Recife 2014 1-0 (60)}) 4... Bg7 5.
Nf3 O-O 6. h3 c5 7. Be2 cxd4 8. Nxd4 dxc4 9. Bxc4 e5 10. Bh2 exd4 11. exd4 Qa5+
12. Nc3 Ne4 13. Rc1 Nc6 14. O-O Nxc3 15. bxc3 Qg5 16. Qf3 Bf5 17. Bd6 Rfe8 18.
g4 Bh6 19. Kh2 Be6 20. Bb5 Qxb5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cardoso, Lucas do Valle"]
[Black "Felicio, Leonardo"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8.
e5 Ng8 9. Bd4 Nh6 10. e6 O-O 11. Bxg7 Kxg7 12. exd7 Qxd7 13. Qxd7 Bxd7 14.
O-O-O Bf5 $146 ({RR} 14... Rad8 15. h3 Be6 16. Be2 Nf5 17. Rhe1 Rxd1+ 18. Rxd1
Nd6 19. Na4 Bd5 20. f3 h5 21. g4 hxg4 22. hxg4 Rh8 23. b3 Rh2 24. Re1 Rf2 25.
c4 Bxf3 26. Bxf3 Rxf3 27. Rxe7 Rg3 28. Rxa7 Rxg4 29. Nb2 {Brandenburg,D (2213)
-Breukelman,J Hengelo 2003 1/2-1/2 (52)}) ({RR} 14... Rfd8 15. Bc4 Ng4 16. Rd2
Bf5 17. Rxd8 Rxd8 18. f3 Ne3 19. Bb3 Nxg2 20. Ba4 c5 21. Rd1 Rxd1+ 22. Kxd1
Ne3+ 23. Kc1 Bh3 24. Bb5 Bf5 25. Ne4 Bxe4 26. fxe4 Kf6 27. Kd2 Ng4 28. h4 Ke5
29. Bc6 {Kucza,K (2343)-Rodgers,J (2078) chess.com INT 2023 0-1 (63)}) 15. h3
e5 16. g4 Be6 17. Bg2 Rac8 18. Rd6 Bxg4 19. hxg4 Nxg4 20. Rf1 f5 21. Bxc6 e4
22. Bd5 Rc7 23. Nb5 Re7 24. Nd4 Rc8 25. b3 h5 26. c4 h4 27. f3 Ne3 28. Rg1 Nxd5
29. Rxd5 Kf6 30. f4 Kf7 31. Rd6 Rg8 32. Nc6 Re6 33. Nd8+ Rxd8 34. Rxd8 e3 35.
c5 Rc6 36. b4 a5 37. a3 axb4 38. axb4 e2 39. Kd2 Re6 40. b5 g5 41. c6 h3 42. c7
h2 43. Re1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cardoso, Lucca"]
[Black "Lima, Lucas Taveira"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "41"]
[EventDate "2021.??.??"]

1. d4 {Bulletin} d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Nc3 cxd4 6. exd4 dxc4 7.
Bxc4 Be7 8. O-O O-O 9. Qe2 Nc6 10. Rd1 Na5 11. Bd3 b6 12. Bg5 ({RR} 12. Qe5 Nc6
13. Qg3 Nh5 14. Qg4 Nf6 15. Qh4 Nb4 16. Bb1 Bb7 17. Bg5 g6 18. Be4 Bxe4 19.
Nxe4 Nbd5 20. Nc3 Rc8 21. Rac1 Qd6 22. Ne5 a6 23. Nxd5 Nxd5 24. Bxe7 Qxe7 25.
Qxe7 Nxe7 26. Nd7 Rxc1 {Atalik,S (2595)-Komarov,D (2580) Ulcinj 1998 EXT 1999 
[Bulletin] 1/2-1/2 (53)}) ({RR} 12. Ne5 Bb7 13. Bg5 Rc8 14. Rac1 Nc6 15. Ba6
Bxa6 16. Qxa6 h6 17. Bf4 Nd5 18. Nxd5 Qxd5 19. Nxc6 Rxc6 20. Rxc6 Qxc6 21. Qxa7
Bf6 22. Qc7 Qa4 23. b3 Qxa2 24. Qxb6 Rc8 25. Be3 {1/2-1/2 (25) Indzhiev,A 
(2101)-Mammadov,Z (2417) lichess.org INT 2022}) 12... Nd5 $146 ({RR} 12... h6
13. Bh4 Bb7 14. Ne5 Nd5 15. Bxe7 Qxe7 16. Nxd5 Bxd5 17. Rac1 Rac8 18. Ba6 Rxc1
19. Rxc1 Bxa2 20. b4 Nb7 21. Qxa2 Nd6 22. h3 Ne4 23. Qe2 Ng5 24. h4 Nh7 25. g3
Nf6 26. Nc6 Qd6 27. Qe5 {Stier,U-Holzer,M playchess.com INT 2004 1-0}) 13. Bxe7
Nxe7 14. Qe4 f5 15. Qxa8 Nec6 16. Ne5 Qc7 17. Nb5 Qxe5 18. dxe5 Bb7 19. Qxf8+
Kxf8 20. f4 a6 21. Nc7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Carvalho, Vitor Augusto"]
[Black "Peixoto, Rudson"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 e5 ({RR} 4... b6 5. Bg2 Bb7 6. O-O e5 7. Nc3
Be7 8. a4 a6 9. Nd2 Nc6 10. Nc4 Nd4 11. Nd5 Nxd5 12. exd5 b5 13. axb5 axb5 14.
Rxa8 Qxa8 15. Ne3 Bg5 16. c3 Bxe3 17. fxe3 Bxd5 18. Bxd5 Qxd5 19. exd4 {
Mazurkiewicz,M (2145)-Vila Dupla,A (2030) chess.com INT 2023 0-1 (42)}) 5. Bg2
Be7 6. O-O O-O 7. h3 $146 ({RR} 7. a3 Nc6 8. Bg5 h6 9. Bxf6 Bxf6 10. Nc3 Be6
11. Nd2 b5 12. Nd5 Bxd5 13. exd5 Ne7 14. Ne4 Ng6 15. Qh5 Be7 16. b4 cxb4 17.
axb4 Qc7 18. Rfc1 a5 19. bxa5 Rxa5 20. Rab1 Rb8 21. c4 b4 {Majek,K (2100)
-Wojcik,M (1701) Krakow POL 2021 1-0 (45)}) 7... Nc6 8. c3 Be6 9. Ng5 Bd7 10.
f4 h6 11. Nf3 exf4 12. gxf4 c4 13. Na3 cxd3 14. Qxd3 Qc8 15. Kh2 Rd8 16. Be3 d5
17. e5 Bf5 18. Qe2 Ne4 19. Nc2 Na5 20. Ncd4 Bg6 21. Nd2 f5 22. Bxe4 dxe4 23.
Qb5 Nc6 24. Rg1 Bf7 25. e6 Bxe6 26. Nxc6 bxc6 27. Qe5 Bf8 28. Bd4 Rxd4 29. Qxd4
Qc7 30. Raf1 Rd8 31. Qe3 Rd3 32. Qe2 Bd6 33. Nxe4 fxe4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cella, Glaucio"]
[Black "Setti, Eduardo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "25"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Be7 7. Qd5 Nh6 8.
Bxh6 O-O 9. Bg5 ({RR} 9. Be3 d6 10. O-O Bf6 11. Qd3 Re8 12. Nbd2 Bg4 13. Rab1
Qc8 14. Bd5 Be6 15. c4 a5 16. Qb3 Bxd5 17. cxd5 Nd8 18. Rfc1 Re7 19. Bd4 Bxd4
20. Nxd4 g6 21. Rc3 Qg4 22. Rg3 Qf4 23. Qd3 Kf8 {Marton,I (2245)-Korosparti,S 
(2230) Hungary 1994 1-0}) ({RR} 9. Be3 d6 10. Qh5 Ne5 11. Nxe5 dxe5 12. O-O Bd6
13. Nd2 g6 14. Qh6 Re8 15. Bg5 Bf8 16. Qh4 Qd6 17. Nf3 Be6 18. Rfd1 Qc5 19.
Bxe6 Rxe6 20. Rd7 Qxc3 21. Rc1 Qa5 22. Rcxc7 Rc6 23. Rxb7 Rac8 {Vallina
Campillo,M (1592)-Moreno Fernandez,R (1298) Oviedo ESP 2022 1-0 (32)}) 9... d6
10. Bxe7 Nxe7 11. Qh5 Be6 $146 ({RR} 11... h6 12. O-O Ng6 13. Qxg6 b5 14. Bb3
c5 15. Bd5 Rb8 16. Qh5 Rb6 17. Nh4 Qf6 18. Qg6 Qxh4 19. f4 Qf6 20. Qxf6 gxf6
21. Nd2 Kh8 22. Rf3 f5 23. Raf1 fxe4 24. Nxe4 Bg4 25. Rg3 Be2 26. Re1 {Huerta
Martinez,A-Pinazo Hernandez,M Valencia 1994 1-0 (40)}) 12. Bxe6 fxe6 13. Ng5
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cicuto, Marcelo Cezar"]
[Black "Messias, Jose Vitor"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. e4 e5 6. Nge2 d6 7. O-O Be6 8. d3
Qd7 9. b4 $146 ({RR} 9. f4 Na6 10. Rb1 O-O 11. b4 b6 12. f5 gxf5 13. Bg5 f4 14.
gxf4 exf4 15. Qd2 Nh5 16. Nxf4 Nxf4 17. Bxf4 Rac8 18. Kh1 Kh8 19. b5 Nb8 20.
Rbc1 Rg8 21. Qe3 Qe7 22. e5 dxe5 23. Bxe5 Nd7 {Steindorsson,S (2213)
-Baldursson,H (2129) Reykjavik 2001 1-0 (37)}) 9... Bh3 10. Rb1 Bxg2 11. Kxg2
O-O 12. a4 d5 13. cxd5 cxd5 14. Bg5 dxe4 15. Bxf6 Bxf6 16. dxe4 Bg7 17. Nd5 Kh8
18. b5 Qd6 19. Rc1 Nd7 20. Nc7 Qxd1 21. Rfxd1 Rad8 22. Nd5 Rc8 23. Ne7 Rxc1 24.
Rxc1 Rb8 25. Rc7 Nf6 26. f3 Bh6 27. Nc3 Kg7 28. Ned5 Bd2 29. Nxf6 Kxf6 30. Nd5+
Kg7 31. Kf2 Ba5 32. Re7 Bd8 33. Rxe5 Rc8 34. Kg2 Rc4 35. Re8 Rc8 36. h4 h5 37.
a5 f6 38. b6 Kf7 39. Rh8 Kg7 40. Re8 Kf7 41. Rh8 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cinta Larga, Carlos E"]
[Black "Oliveira Filho, Fernando"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "44"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Bb4 5. Nge2 Ne7 6. g3 Nbc6 7. Bg2 Bg4 8.
O-O Qd7 9. Qd3 Bh3 $146 ({RR} 9... Bf5 10. Qd1 Bh3 11. a3 Bxg2 12. Kxg2 Bxc3
13. Nxc3 O-O 14. Kg1 Ng6 15. Be3 Nce7 16. Qf3 Qe6 17. Rad1 Qh3 18. Qg2 Qg4 19.
Rfe1 Nf5 20. Bc1 Nd6 21. Ne2 Rae8 22. Nf4 Nxf4 23. Bxf4 Rxe1+ 24. Rxe1 {
Tevar Becerra,A (1477)-Tevar Sanz,G (1868) Madrid 2011 0-1}) 10. Bxh3 Qxh3 11.
Qb5 O-O-O 12. a3 Bd6 13. Re1 Nf5 14. Bf4 Ncxd4 15. Qd3 Nh4 16. gxh4 Nf3+ 17.
Qxf3 Qxf3 18. Bg3 Bxg3 19. hxg3 c6 20. Nd4 Qf6 21. Nde2 Rhe8 22. Red1 d4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Costa, Kerginaldo"]
[Black "Correa, Joao Pedro"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "20"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nc6 5. Bd3 g6 6. Bc2 Bg7 7. O-O O-O 8. Re1
Qc7 9. d4 e5 ({RR} 9... b5 10. d5 Nd8 11. Bf4 Nd7 12. Qd2 Re8 13. Na3 Ba6 14.
Bd3 b4 15. Nb5 Qb6 16. a4 bxa3 17. Nxa3 Nb7 18. Bxa6 Qxa6 19. Qc2 f6 20. Nd2
Reb8 21. Nac4 Qb5 22. Qa4 a6 23. Ra2 Nd8 24. Rea1 {Tosic,M (2345)-Ristic,N 
(2365) Medulin 1983 1-0 (39)}) ({RR} 9... cxd4 10. cxd4 Nd7 11. Nc3 b6 12. Nd5
Qb8 13. Ba4 b5 14. Qc2 Nxd4 15. Nxd4 Bxd4 16. Nxe7+ Kg7 17. Nc6 Qb6 18. Nxd4
Qxd4 19. Bxb5 Ne5 20. Bd2 Bxh3 21. Bc3 Qc5 22. Ba4 Be6 23. Red1 Rac8 24. Qd2 {
Zadravec,M (2239)-Palczert,M (1770) Terme Catez SLO 2022 1-0 (35)}) 10. d5 $146
({RR} 10. Na3 a6 11. Be3 b6 12. d5 Nd8 13. b4 Ne8 14. Rb1 Nb7 15. c4 f5 16.
exf5 gxf5 17. Ng5 Nd8 18. bxc5 bxc5 19. f4 e4 20. Ba4 Nf6 21. Qb3 h6 22. Ne6
Bxe6 23. dxe6 Nxe6 24. Qb6 Qf7 {Drabke,L (2338)-Artizzu,G (2084) Bratto 2001
0-1 (33)}) 10... Ne7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Cruz, Natan"]
[Black "Oliveira, Renato Sena"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 e6 2. Nf3 f5 3. d5 Be7 4. Nc3 Nf6 5. Bf4 ({RR} 5. dxe6 dxe6 6. Bf4 O-O 7.
e3 Nd5 8. Nxd5 exd5 9. Be2 Nc6 10. h4 Kh8 11. Ng5 h6 12. Bf3 d4 13. Bxc6 bxc6
14. Qh5 Qe8 15. Qxe8 Rxe8 16. Nf3 Bb4+ 17. Nd2 dxe3 18. fxe3 Bd6 19. O-O-O Be6
{Thompson,I (2064)-Gibbs,D (1879) Leamington Spa ENG 2023 1/2-1/2 (64)}) 5...
d6 ({RR} 5... O-O 6. dxe6 d5 7. e3 c6 8. Bd3 Ne4 9. Ne2 Na6 10. O-O Nac5 11.
Ned4 Nxe6 12. Nxe6 Bxe6 13. Nd4 Qd7 14. Rc1 b5 15. a4 a6 16. axb5 axb5 17. Ra1
Bf6 18. Nxe6 Qxe6 19. c3 Be5 20. Bxe5 {Popov,V (2505)-Rusanov,M (2410) St
Petersburg 1998 1/2-1/2 (39)}) 6. dxe6 Bxe6 7. Qd3 $146 ({RR} 7. Nd4 Bd7 8. Qd3
Qc8 9. e4 fxe4 10. Nxe4 Nxe4 11. Qxe4 O-O 12. Bc4+ Kh8 13. O-O-O Bf6 14. Bd3 g6
15. Bh6 Bg7 16. Bxg7+ Kxg7 17. Qe7+ Rf7 18. Qg5 Nc6 19. Bc4 h6 20. Qd2 Rf6 21.
f4 Qf8 {Netolitzky,G (2235)-Luchner,W (1755) Wattens 1995 1-0 (43)}) 7... O-O
8. Ng5 Qc8 9. Qe3 Ne4 10. Ncxe4 fxe4 11. Qxe4 Bxg5 12. Bxg5 d5 13. Qd3 Nc6 14.
e3 d4 15. exd4 Bf5 16. Qb3+ Be6 17. Qc3 Bg4 18. Bc4+ Kh8 19. O-O Qf5 20. Be3
Rf6 21. Bd3 Qh5 22. Qc5 Qh4 23. Bg5 Qh5 24. Bxf6 gxf6 25. Qxh5 Bxh5 26. c3 Re8
27. Bc4 Ne7 28. Rfe1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Custodio, Leandro"]
[Black "Luz, Arthur Nader"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "54"]
[EventDate "2021.??.??"]

1. Nf3 g6 2. d4 Nf6 3. h4 d5 ({RR} 3... d6 4. h5 Nxh5 5. e4 Bg7 6. Nc3 Bg4 7.
Be3 Nc6 8. Qd2 e5 9. d5 Ne7 10. O-O-O Bxf3 11. gxf3 O-O 12. Be2 Nf4 13. Bxf4
exf4 14. Qxf4 b5 15. Qh2 h6 16. Qf4 g5 17. Qe3 b4 18. Nb5 {Liang,A (2651)
-Hernando Rodrigo,J (2240) chess.com INT 2023 1-0 (34)}) 4. Nc3 ({RR} 4. Bg5
Bg7 5. Bxf6 Bxf6 6. h5 c5 7. e3 Nc6 8. hxg6 hxg6 9. Rxh8+ Bxh8 10. c3 Bg4 11.
Be2 Qb6 12. Qb3 O-O-O 13. Qxb6 axb6 14. Nbd2 Bg7 15. Ng5 Bxe2 16. Kxe2 Rf8 17.
Rh1 Nd8 18. Rh7 Rg8 {Uryupin,I (2048)-Espinoza Villanueva,R (1899) chess.com
INT 2023 1-0 (46)}) 4... c5 $146 ({RR} 4... Bg7 5. Bf4 Bf5 6. Ne5 c6 7. Qd2
Nfd7 8. h5 Nxe5 9. dxe5 Nd7 10. f3 Nxe5 11. h6 Bf6 12. e3 Qa5 13. e4 dxe4 14.
Nxe4 Qxd2+ 15. Bxd2 Bxe4 16. fxe4 O-O-O 17. O-O-O Ng4 18. Bc4 Nf2 19. Bxf7 {
Karimi,F (2084)-Huhndorf,A (2273) Schwaebisch Gmuend 2015 0-1 (45)}) 5. dxc5
Nc6 6. Bg5 d4 7. Bxf6 exf6 8. Ne4 Bf5 9. Nd6+ Bxd6 10. cxd6 Qb6 11. e4 dxe3 12.
Bd3 exf2+ 13. Kf1 Bxd3+ 14. Qxd3 O-O-O 15. Rd1 Rd7 16. h5 Rhd8 17. hxg6 hxg6
18. Qa3 Kb8 19. Rh4 g5 20. Ra4 Rh8 21. Ke2 Re8+ 22. Kf1 Re6 23. c4 g4 24. Nh4
Re3 25. b3 g3 26. c5 Qb5+ 27. Rc4 Qxc4+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Dantas, Neimar"]
[Black "Ferreira, Thales"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "109"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. g3 cxd4 5. Bg2 Nc6 6. Nxd4 Bg7 7. O-O O-O 8.
Nc3 a6 9. Re1 Nxd4 10. Qxd4 d6 11. Qd3 Rb8 12. e4 Ng4 $146 ({RR} 12... Nd7 13.
b3 Nc5 14. Qc2 Ne6 15. Bb2 Nd4 16. Qd2 b5 17. cxb5 axb5 18. Nd5 e5 19. Qd3 Be6
20. Rac1 {1/2-1/2 (20) Vescovi,K (1804)-Schutt,R (2130) Sao Paulo 2015}) 13.
Qc2 b5 14. h3 Ne5 15. cxb5 axb5 16. Kh2 Qc7 17. a3 Nc4 18. Nd5 Qd7 19. Rb1 e6
20. Nb4 Bb7 21. b3 Ne5 22. f4 Nc6 23. Nxc6 Bxc6 24. Bb2 Bxb2 25. Qxb2 Qb7 26.
Rbd1 Rfd8 27. Rd3 Rd7 28. g4 d5 29. e5 d4 30. Red1 Rbd8 31. Bxc6 Qxc6 32. Qg2
Qc7 33. h4 Rd5 34. Qg3 Rc5 35. R1d2 Rc2 36. Qf2 Rxd2 37. Qxd2 Qc5 38. b4 Qd5
39. h5 Qe4 40. g5 gxh5 41. Kg3 Kg7 42. Qd1 h4+ 43. Kg4 Qf5+ 44. Kf3 Qh3+ 45.
Ke4 Qf5+ 46. Kf3 Qh3+ 47. Ke4 Qg2+ 48. Qf3 Qg1 49. f5 Qe1+ 50. Kf4 exf5 51.
Kxf5 Qc1 52. Kg4 Qg1+ 53. Kh5 Kg8 54. Qf6 Re8 55. Rf3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Deves, Rafael"]
[Black "Lima da Silva, Fabio"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "3"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Duailibi, Ricardo"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "82"]
[EventDate "2021.??.??"]

1. c4 b6 2. Nf3 Bb7 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. d3 O-O 7. e4 d6 8. O-O c5
9. Ne1 Nc6 10. f4 ({RR} 10. Nc2 Rc8 11. Be3 h6 12. h3 Kh7 13. Qd2 Nd7 14. Rab1
a6 15. a3 Nd4 16. Bxd4 cxd4 17. Ne2 e5 18. Nb4 b5 19. cxb5 axb5 20. Rfc1 Nc5
21. Rc2 Nb3 22. Qd1 Nc5 23. Nc1 h5 24. Re2 Bh6 {Ohler,J (2218)-Bogumil,T (2090)
chess.com INT 2023 1-0 (48)}) 10... Ne8 $146 ({RR} 10... Nd7 11. Nc2 Nd4 12.
Be3 Qb8 13. Bxd4 cxd4 14. Ne2 e5 15. f5 Qd8 16. Qd2 b5 17. b3 bxc4 18. bxc4 Rb8
19. Rab1 Qc7 20. g4 Bc6 21. Nb4 Rb6 22. Nxc6 Qxc6 23. g5 Rfb8 24. Rxb6 Qxb6 25.
f6 {Heinicke,H-Grammatikoff,J Berlin 1940 0-1 (47)}) ({RR} 10... a6 11. a4 Nd7
12. Be3 Nd4 13. Nf3 Bc6 14. Kh1 Rb8 15. Bxd4 cxd4 16. Ne2 e5 17. b4 f5 18. exf5
gxf5 19. a5 bxa5 20. Rxa5 Rxb4 21. Rxa6 Rb6 22. Ra7 Qb8 23. Qa1 Rb2 24. Qa6
Rxe2 25. Qxc6 {Dubov,D (2638)-Matlakov,M (2665) Ekaterinburg 2013 0-1 (35)})
11. f5 Nd4 12. fxg6 hxg6 13. Bg5 Ne6 14. Be3 N8c7 15. Qd2 a6 16. Bh6 b5 17.
Bxg7 Kxg7 18. b3 Nd4 19. Nf3 Nxf3+ 20. Rxf3 b4 21. Nd1 Ne6 22. Ne3 Nd4 23. Rf2
Qd7 24. Raf1 f6 25. Rf4 a5 26. Rg4 Kf7 27. Bh3 Rh8 28. Rh4 Qd8 29. Ng2 a4 30.
Qg5 Kg7 31. Qe3 axb3 32. axb3 e5 33. Qf2 Nxb3 34. Rxh8 Kxh8 35. Qxf6+ Qxf6 36.
Rxf6 Nd4 37. Ne3 b3 38. Rf7 Bc6 39. Ng4 b2 40. Nf6 Nf3+ 41. Kg2 Ng5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Farias, Igor"]
[Black "Trevisan, Rodrigo"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "118"]
[EventDate "2021.??.??"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 a5 4. e4 ({RR} 4. Nf3 d6 5. a3 Bc5 6. e3 Nf6 7. d4
Nxd5 8. cxd5 exd4 9. exd4 Bb6 10. Bg5 f6 11. Be3 O-O 12. Bd3 f5 13. Qc2 Nd7 14.
Bxf5 Nf6 15. Bd3 h6 16. Nh4 Nxd5 17. Bh7+ Kh8 18. Ng6+ Kxh7 {Ding Liren (2811)
-Yu Yangyi (2763) Khanty-Mansiysk RUS 2019 1-0 (43)}) 4... c6 $146 ({RR} 4...
Nf6 5. Qc2 Nxd5 6. cxd5 c6 7. a3 Be7 8. Bc4 O-O 9. Nf3 d6 10. h3 b5 11. Ba2 Bb7
12. Qd3 Na6 13. dxc6 Bxc6 14. Qe2 Kh8 15. O-O f5 16. d3 Nc5 17. Nd2 Qd7 18. b3
Ne6 19. Nf3 {Westerlund,O (1870)-Hector,J (2482) Tylosand SWE 2023 0-1}) 5.
Nxb4 axb4 6. Nf3 Nf6 7. d3 h6 8. Be2 O-O 9. O-O Re8 10. h3 d5 11. Qc2 dxe4 12.
dxe4 b3 13. Qxb3 Nxe4 14. Be3 Nd7 15. Rfd1 Qa5 16. a3 Ndc5 17. Qc2 Bf5 18. b4
Qa4 19. Qxa4 Nxa4 20. Bd3 Nb2 21. Bxe4 Bxe4 22. Rd7 Nxc4 23. Nd2 Nxd2 24. Bxd2
Red8 25. Rxd8+ Rxd8 26. Be3 f5 27. a4 Kf7 28. f3 Bd3 29. Rd1 Ke8 30. a5 Rd5 31.
Bc5 g6 32. Kf2 Kd7 33. h4 h5 34. g3 Ke6 35. Ke3 Bb5 36. Rxd5 cxd5 37. f4 d4+
38. Kd2 Kd5 39. fxe5 Kxe5 40. Bb6 Ke4 41. Bd8 f4 42. gxf4 Kxf4 43. Bg5+ Ke4 44.
Bd8 Kd5 45. Bg5 Kc4 46. Be7 Be8 47. Kc2 Bd7 48. Kd2 Bf5 49. Bd6 g5 50. hxg5 h4
51. Ke1 h3 52. Kf2 d3 53. Bf4 Kxb4 54. Kg3 Kxa5 55. g6 Bxg6 56. Kxh3 Kb4 57.
Kg2 Kc3 58. Kf2 d2 59. Bxd2+ Kxd2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Farias, Sergio Luiz"]
[Black "Bandeira, Tarciano"]
[Result "0-1"]
[ECO "C70"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. Bxf7+ Kxf7 7. Nxe5+ Ke7
8. d4 d6 ({RR} 8... Qe8 9. O-O Kd8 10. Re1 d6 11. Bd2 Nc6 12. Nxc6+ Qxc6 13.
Nc3 Bb7 14. a4 Nf6 15. d5 Qd7 16. axb5 axb5 17. Rxa8+ Bxa8 18. Qa1 Bb7 19. Qa5
Be7 20. Nxb5 Ng4 21. Qb4 Bh4 22. g3 Bf6 23. Na7 {Ismagambetov,A (2528)-Vavulin,
M (2556) Moscow RUS 2019 1-0 (35)}) ({RR} 8... Qe8 9. Bg5+ Nf6 10. Qd2 Nb7 11.
Nc3 c6 12. d5 Kd8 13. dxc6 Qxe5 14. Bf4 Qe6 15. cxb7 Bxb7 16. O-O-O Bb4 17. Qd4
Bxc3 18. Qxc3 Rc8 19. Qa5+ Ke7 20. Bd6+ Kf7 21. e5 Ne4 22. Rd3 Nxf2 23. Rf1 {
Rathnakaran,K (2348)-Pulpan,J (2422) chess.com INT 2022 0-1 (53)}) 9. Nd3 h6
$146 ({RR} 9... Kf7 10. a4 Qe8 11. O-O Qxe4 12. Nd2 Qb7 13. axb5 axb5 14. Nf3
Nf6 15. Ng5+ Kg8 16. Re1 Nc4 17. Rxa8 Qxa8 18. Nf4 Bd7 19. Nge6 c6 20. Nh5 Nxh5
21. Qxh5 Qe8 22. Qxe8 Bxe8 23. b3 Nb6 24. Bf4 {Suer,N-Johannessen,S Varna 1962
0-1 (40)}) 10. Nc3 Qe8 11. Bd2 Nc4 12. Nd5+ Kd8 13. Bc1 Qxe4+ 14. Ne3 Nf6 15.
O-O Nxe3 16. fxe3 Bb7 17. Qe2 Be7 18. Rf4 Qg6 19. Bd2 Kd7 20. Raf1 Raf8 21. h3
h5 22. Ne1 Ne4 23. R1f3 Nxd2 24. Qxd2 Bxf3 25. Nxf3 Rxf4 26. exf4 Qe4 27. d5
Bf6 28. c3 Re8 29. Kh1 Qe2 30. Qc1 Qf2 31. Qb1 Re2 32. Qf5+ Kd8 33. Qg6 Qf1+
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Fedrizzi, Roberto"]
[Black "Sopko, Cassio Roberto"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "55"]
[EventDate "2021.??.??"]

1. d4 f5 2. Nf3 e6 3. c4 d5 4. e3 c6 5. Bd3 Nf6 6. O-O Bd6 7. Nc3 O-O 8. a3 Ne4
9. Ne1 $146 ({RR} 9. Nd2 Nd7 10. f3 Qh4 11. f4 Ndf6 12. Nf3 Qh6 13. Qe1 Bd7 14.
Qh4 Qxh4 15. Nxh4 Nxc3 16. bxc3 Ne4 17. Rb1 Rab8 18. c5 Be7 19. Nf3 Nxc3 20.
Rb3 Ne4 21. a4 b6 22. Ne5 Rfd8 23. Bxe4 fxe4 {Azevedo,S (2000)-Rodrigues,A 
(2114) Lisbon 2001 0-1 (54)}) ({RR} 9. Qc2 Nd7 10. b3 Rf6 11. g3 Rh6 12. Bb2
Ndf6 13. Ne2 Ng4 14. h4 Bd7 15. Nf4 g5 16. Ng2 gxh4 17. Nfxh4 Nxg3 18. fxg3
Bxg3 19. Be2 Rxh4 20. Nxh4 Nxe3 21. Qd2 Qxh4 22. Bf3 Kh8 23. Rf2 Bxf2+ {
Onut,S (2132)-Lupulescu,C (2560) Bucharest 2004 0-1}) ({RR} 9. Nxe4 fxe4 10.
Be2 exf3 11. Bxf3 dxc4 12. Qc2 b5 13. Be4 h6 14. f4 Bb7 15. Bd2 Nd7 16. Bc3 Nf6
17. Bg6 Nd5 18. Rf3 Nxc3 19. Qxc3 Rf6 20. Bb1 c5 21. Qc2 Bxf3 22. Qh7+ Kf8 23.
gxf3 cxd4 {Tilman,Z (1255)-Moreno Mora,M Chennai IND 2022 0-1 (39)}) 9... Qh4
10. f4 Rf6 11. Nf3 Qh5 12. cxd5 exd5 13. Qb3 Nxc3 14. bxc3 Nd7 15. c4 dxc4 16.
Bxc4+ Kf8 17. Bb2 Nb6 18. d5 Rh6 19. dxc6 bxc6 20. Qc3 Nxc4 21. Qxg7+ Ke8 22.
Qg8+ Ke7 23. Qxc4 Bd7 24. Rad1 Rb8 25. Bg7 Rg6 26. Be5 Rb7 27. Rxd6 Rxd6 28.
Qc5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Fernandes, Pedro G"]
[Black "Santos, Wenesley"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O c6 5. c4 e6 6. cxd5 exd5 7. d3 Be7 8. Bf4
({RR} 8. Qb3 Qb6 9. Qc2 O-O 10. Nc3 h6 11. e4 Bh7 12. Be3 Qd8 13. h3 Na6 14.
Rad1 Re8 15. Qb3 Bb4 16. e5 Nd7 17. a3 Bxc3 18. Qxc3 Nc7 19. d4 Ne6 20. Nd2 Rc8
21. b4 Nxe5 22. dxe5 d4 {Grischuk,A (2779)-Vallejo Pons,F (2706)
Khanty-Mansiysk 2013 1-0 (63)}) 8... Nbd7 ({RR} 8... O-O 9. Nbd2 Re8 10. h3 h6
11. g4 Bh7 12. Qb3 Qb6 13. Qxb6 axb6 14. a3 Nbd7 15. Rac1 b5 16. Nb3 b4 17.
axb4 Bxb4 18. Ra1 Rxa1 19. Rxa1 Rxe2 20. Ra8+ Nf8 21. Rb8 Rxb2 22. Rxb7 Rxb3
23. Bd6 {Sherman,R (2213)-Sailer,M (2109) chess.com INT 2023 0-1 (32)}) 9. Nbd2
O-O 10. Qc2 $146 ({RR} 10. Re1 Nc5 11. Qc2 Ne6 12. e4 Bg6 13. Ne5 Bb4 14. Be3
d4 15. Bf4 Nxf4 16. gxf4 Nh5 17. f5 Nf4 18. Nef3 Bh5 19. Red1 g6 20. a3 Be7 21.
Nf1 gxf5 22. Ng3 Bg4 23. Qd2 Nxg2 24. Kxg2 Kh8 {Vives Esmerat,J (2330)-Monraba
Capella,M (2255) Spain 1999 0-1 (37)}) 10... h6 11. e4 dxe4 12. dxe4 Be6 13.
Nd4 Bg4 14. h3 Bh5 15. Nf5 Bg6 16. Nxe7+ Qxe7 17. Qc3 Rfe8 18. Rfe1 Qc5 19. Qb3
Qb6 20. Qa4 Nc5 21. Qc4 Ne6 22. Be3 Qc7 23. f4 Nf8 24. e5 N6d7 25. Ne4 Bxe4 26.
Bxe4 Nb6 27. Qc2 Rad8 28. Rad1 Rxd1 29. Rxd1 Rd8 30. Rxd8 Qxd8 31. Qd3 Qxd3 32.
Bxd3 Ne6 33. f5 Nc7 34. b3 Ncd5 35. Bc5 Nc8 36. Kf2 b6 37. Ba3 Nc3 38. Ba6 Nb5
39. Bb4 c5 40. Be1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Ferreira, Andrei"]
[Black "Brito, Vicente"]
[Result "1/2-1/2"]
[ECO "C16"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bf8 6. Be3 ({RR} 6. b4 c5 7. bxc5
bxc5 8. dxc5 Qc7 9. Nb5 Qc6 10. Be3 a6 11. Nd4 Qc7 12. f4 Bxc5 13. Ngf3 Ne7 14.
Bd3 Bd7 15. O-O Nbc6 16. c3 Na5 17. Kh1 Nc4 18. Bc1 g6 19. Ra2 Rc8 20. g4 h5 {
Velimirovic,D (2570)-Portisch,L (2605) Reggio Emilia 1986 1/2-1/2 (34)}) 6...
Ba6 ({RR} 6... Ne7 7. Bd3 Ba6 8. Nge2 Bxd3 9. Qxd3 Nf5 10. Bg5 Qxg5 11. f4 Qh4+
12. g3 Qd8 13. O-O-O c5 14. g4 Nxd4 15. Nxd4 cxd4 16. Qxd4 Bc5 17. Qd3 Nc6 18.
b4 Be7 19. f5 Nxe5 20. Qe2 Bf6 21. Ne4 {Zhong,L (1333)-Brito,V (1794) Rio de
Janeiro BRA 2022 0-1 (37)}) 7. Bxa6 Nxa6 8. Qd2 $146 ({RR} 8. Qe2 Qc8 9. f4 Ne7
10. Nf3 Nf5 11. Bf2 c5 12. O-O c4 13. Nh4 g6 14. Nxf5 gxf5 15. Bh4 Be7 16. Bxe7
Kxe7 17. Qh5 Nc7 18. Rf3 Ne8 19. Qh4+ Kd7 20. Qh5 Ke7 21. Qh4+ Kd7 22. Qe1 Qc6
{Malchikov,D-Popovich,I Russia 2004 1/2-1/2}) 8... c5 9. Nge2 Ne7 10. f4 Nf5
11. Bf2 h5 12. Nb5 Nc7 13. a4 a6 14. Nbc3 h4 15. a5 Nxd4 16. Nxd4 cxd4 17. Bxd4
bxa5 18. Bb6 Bb4 19. Bxa5 Qe7 20. Bxb4 Qxb4 21. O-O h3 22. g3 Rc8 23. Rfd1 O-O
24. Na4 Rb8 25. c3 Qe4 26. Nc5 Qc4 27. Nd7 f6 28. Nxb8 Rxb8 29. exf6 gxf6 30.
Rab1 Nb5 31. Qe3 Kf7 32. Re1 d4 33. cxd4 Nxd4 34. b3 Qd5 35. Qe4 Nf3+ 36. Kf2
Nxe1 37. Qxd5 exd5 38. Kxe1 a5 39. Kd2 Rb4 40. Rb2 d4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Fier, Alexandr"]
[Black "Molina, Roberto Junio"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "111"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Bc5 7. Nb3 Ba7 ({RR
} 7... Be7 8. Qg4 g6 9. a4 d6 10. a5 Nf6 11. Qe2 Nc6 12. Bh6 Bf8 13. Be3 Bg7
14. Nc3 O-O 15. f4 Re8 16. Na4 Bd7 17. c3 Rac8 18. Nb6 Rcd8 19. Rad1 Bc8 20.
Bc2 Qe7 21. Qf3 Nd7 22. Rd2 {Robson,R (2675)-Ramirez,A (2555) chess.com INT
2017 1-0 (53)}) 8. Qg4 g6 9. Kh1 $146 ({RR} 9. Nc3 Nc6 10. Bf4 d6 11. Qg3 Ne5
12. Rad1 Nf6 13. Be2 h5 14. Rxd6 h4 15. Qg5 Qxd6 16. Qxf6 Rh7 17. Bxe5 Qe7 18.
Rd1 Bd7 19. Qf3 Bc6 20. Bf6 Qc7 21. Qd3 Bb6 22. Qd2 Rc8 23. Nd4 Qd7 {
Ivakhinova,I (2216)-Kalashnikova,L (2035) Obninsk 2007 1-0 (40)}) ({RR} 9. Qe2
d6 10. a4 Nc6 11. a5 Nf6 12. Bh6 Nd7 13. Nc3 Nc5 14. Nxc5 Bxc5 15. Kh1 Bd7 16.
Bg7 Rg8 17. Bf6 Bd4 18. Nd5 exd5 19. exd5+ Kf8 20. dxc6 Bxf6 21. cxd7 Qxd7 22.
c3 Kg7 23. Bc4 Rge8 {Golubev,M (2461)-Saraci,N (2488) chess.com INT 2022 0-1 
(57)}) 9... Nc6 10. f4 d5 11. exd5 Nf6 12. Qh4 Nxd5 13. Nc3 Nxc3 14. bxc3 Qe7
15. Qh6 f5 16. c4 Bd7 17. a4 Bb8 18. Bb2 Rg8 19. Ba3 Bd6 20. c5 Bc7 21. Nd2 Qg7
22. Qxg7 Rxg7 23. Nc4 g5 24. Rae1 O-O-O 25. Bb2 Rg6 26. fxg5 Rdg8 27. Bc1 Nb4
28. Be2 Bxa4 29. h4 Bc6 30. Nd6+ Bxd6 31. cxd6 Nxc2 32. Rd1 Kd7 33. Kh2 h6 34.
Bh5 R6g7 35. Rf2 hxg5 36. Rxc2 Rh7 37. Bf3 Rxh4+ 38. Kg1 Rgh8 39. Bxg5 Rh1+ 40.
Kf2 Rxd1 41. Bxd1 Rg8 42. Bf4 Rxg2+ 43. Ke3 Rxc2 44. Bxc2 a5 45. Kd4 b6 46. Be5
Bd5 47. Bf4 Bc6 48. Ke5 b5 49. Be3 b4 50. Bb3 a4 51. Bxe6+ Ke8 52. Bxf5 a3 53.
Bc5 a2 54. Bd4 b3 55. Be6 Ba4 56. Bc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Filgueiras, Nathan"]
[Black "Oliveira, Silvio Eduardo"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O h6 6. c3 d6 7. Nbd2 O-O 8. Re1
a6 9. Bb3 Be6 10. Nf1 Ba7 11. h3 Qd7 12. Ng3 Rfe8 13. Bc2 d5 14. exd5 ({RR} 14.
Qe2 Rad8 15. Nh2 b5 16. Qf3 Nh7 17. Ng4 d4 18. Nf5 Bxf5 19. exf5 Qd6 20. Bb3
Na5 21. Bc2 Nf6 22. Nxf6+ Qxf6 23. a4 Bb6 24. axb5 axb5 25. Bd2 Nc6 26. Bb3 Rd6
27. c4 bxc4 28. Bxc4 Red8 {Dominguez Perez,L (2719)-Mamedyarov,S (2731) Almaty
2008 1-0 (37)}) 14... Bxd5 15. Nh4 Bc5 $146 ({RR} 15... Be6 16. Qf3 Rad8 17.
Nhf5 Bxf5 18. Nxf5 Qe6 19. Bxh6 gxh6 20. Qg3+ Ng4 21. Qxg4+ Qg6 22. Qxg6+ fxg6
23. Nxh6+ Kg7 24. Ng4 Rf8 25. Re2 Rde8 26. Rae1 Re7 27. d4 {1-0 (27) Nasuta,G 
(2535)-Zhou,Q (2229) chess.com INT 2020}) 16. Nhf5 Bf8 17. Be3 Rad8 18. d4 exd4
19. Nxd4 Nxd4 20. Bxd4 Rxe1+ 21. Qxe1 Qc6 22. Qf1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Fontoura, Alexandre"]
[Black "Cymbalista, Eduardo"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "47"]
[EventDate "2021.??.??"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Qb3 Qc7 6. Nc3 e6 7. Bd2 Nbd7 8. Rc1
Qb6 9. c5 ({RR} 9. Nh4) 9... Qc7 ({RR} 9... Qxb3 10. axb3 h6 11. b4 a6 12. Ra1
Rb8 13. h3 g5 14. g4 Bg6 15. Ne5 Nxe5 16. dxe5 Ne4 17. Bg2 Bg7 18. f4 Nxd2 19.
Kxd2 f6 20. exf6 Bxf6 21. Rhf1 O-O 22. f5 exf5 23. gxf5 Bxf5 24. Nxd5 {
Azmaiparashvili,Z (2632)-Belov,V (2600) playchess.com INT 2007 1-0}) 10. Nh4 ({
RR} 10. Be2 Be7 11. O-O Ng4 12. h3 h5 13. hxg4 hxg4 14. Ne5 f6 15. Bxg4 Nxe5
16. dxe5 Bxg4 17. f3 Bf5 18. Ne2 fxe5 19. Qa4 Bd3 20. Rf2 e4 21. f4 Bh4 22. g3
Bxe2 23. Rxe2 Bxg3 24. Rg2 Bh4 {Md.,J (2048)-Nusrat Jahan,A (1711) Dhaka BAN
2021 0-1 (92)}) 10... Bg4 $146 ({RR} 10... Bg6 11. f4 Be7 12. Nxg6 hxg6 13. Be2
Ne4 14. Nxe4 dxe4 15. Qc2 Bh4+ 16. Kd1 f5 17. Qb3 Nf8 18. Kc2 Qd7 19. Kb1 Nh7
20. Rc4 Kf7 21. Rb4 Rab8 22. Ba6 b6 23. cxb6 c5 ({RR} 23... axb6) 24. dxc5 Qxd2
25. Rd1 {Cukierman,J-Voisin,A Paris 1928 1-0 (31)}) 11. h3 Bh5 12. g4 Bg6 13.
f4 b6 14. cxb6 Qxb6 15. Na4 Qxb3 16. axb3 Nb8 17. Ba5 Ne4 18. Nxg6 hxg6 19. Bd3
Nf6 20. Ke2 Kd7 21. Kf3 Bd6 22. b4 Ne8 23. b5 Nc7 24. b6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Freitas, Filipe"]
[Black "Oliveira, Joao Victor"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "23"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. O-O ({RR} 6. Bxc6 bxc6 7.
O-O cxd4 8. Qxd4 c5 9. Qd3 a6 10. exd5 exd5 11. Nxd5 Be6 12. Re1 Be7 13. Nxe7
Qxd3 14. cxd3 Nxe7 15. d4 c4 16. Ng5 Bd5 17. Bf4 Rd8 18. Rac1 h6 19. Ne4 O-O
20. Bd6 Rfe8 {Maslau,I (1334)-Hamzovich,N (1139) Minsk BLR 2023 1-0 (36)}) 6...
cxd4 $146 ({RR} 6... a6 7. Bxc6 Bxc6 8. e5 cxd4 9. Nxd4 Bc5 10. Nxc6 bxc6 11.
Be3 Bb4 12. Qd4 a5 13. a3 Bxc3 14. Qxc3 Ne7 15. Bg5 h6 16. Bxe7 Kxe7 17. Qxc6
Rc8 18. Qa4 f6 19. Qh4 Rxc2 20. Rab1 Qb6 21. exf6+ {Duijm,E (1191)-Van Hall,G 
(1191) Hengelo 2005 1-0}) ({RR} 6... Qb6 7. exd5 cxd4 8. dxc6 dxc3 9. Qxd7# {
1-0 (9) Krueger,A-Lautenbach,S Germany 1999}) 7. Nxd4 Nxd4 8. Bxd7+ Qxd7 9.
Qxd4 b6 10. Re1 Bc5 11. Qxg7 O-O-O 12. Qxh8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Freitas, Mauricio"]
[Black "Cardoso, Marcio"]
[Result "0-1"]
[ECO "A35"]
[PlyCount "56"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O d5 5. c4 e5 6. cxd5 Nxd5 7. Qb3 ({RR} 7.
Qa4 Nb6 8. Qc2 Be7 9. b3 Be6 10. Bb2 f6 11. d3 Rc8 12. Nbd2 Nd4 13. Qd1 Qd7 14.
e3 Nxf3+ 15. Nxf3 O-O 16. Qe2 Bd5 17. Rfd1 Rfd8 18. Rac1 Bf8 19. h4 a5 20. Bc3
Ra8 21. Rb1 Qc6 {Caruana,F (2808)-Karjakin,S (2781) Paris 2017 1-0 (46)}) ({RR
} 7. e3 Bg4 8. h3 Bh5 9. Qb3 Nb6 10. d4 c4 11. Qc2 exd4 12. exd4 Be7 13. Be3
Bg6 14. Qd2 O-O 15. Nc3 Nb4 16. Ne5 Rb8 17. Nxg6 hxg6 18. Rac1 Qd7 19. a3 Nc6
20. d5 Na5 21. Rcd1 Nb3 {Mordechai,H (2366)-Tarnowska,A (1835) chess.com INT
2023 1-0 (49)}) 7... Nb6 8. Nc3 Be7 $146 ({RR} 8... Be6 9. Qc2 c4 10. Rd1 Nd4
11. Qe4 Be7 12. Nxe5 O-O 13. d3 Bf5 14. Qxb7 cxd3 15. Nxd3 Bxd3 16. exd3 Bc5
17. Be3 Re8 18. Ne4 Rb8 19. Qxa7 Re7 {0-1 (19) Cardenas,A (2020)-Alvarez,P 
(2104) Medellin 2010}) 9. d3 O-O 10. Be3 Be6 11. Qc2 Rc8 12. Qd2 f6 13. Ne4 Nd4
14. Rac1 Nd5 15. Bxd4 cxd4 16. Rxc8 Bxc8 17. a3 Qb6 18. Rc1 Be6 19. h4 h6 20.
h5 f5 21. Nxe5 fxe4 22. Bxe4 Bg5 23. f4 Nxf4 24. gxf4 Rxf4 25. Rc4 Rxe4 26. Qe1
Bxc4 27. dxe4 d3+ 28. Kf1 d2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Gauche, Charles"]
[Black "Lima, Darcy Gustavo"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "42"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. Qc2 ({RR} 6. Na3 c6 7. d3
Bg4 8. Be3 Nbd7 9. Qb3 Qb8 10. cxd5 Nxd5 11. Bd2 Ne5 12. Nxe5 Qxe5 13. Nc4 Qc7
14. Rfe1 Rfd8 15. Rac1 Be6 16. Qa3 Qd7 17. Na5 c5 18. Nc4 b6 19. Ne3 Bh6 20.
Nc4 Bxd2 {Ehlvest,J (2603)-Fressinet,L (2700) Al Ain 2012 1/2-1/2 (41)}) 6...
d4 ({RR} 6... dxc4 7. Qxc4 Be6 8. Qc2 Nc6 9. a3 Rc8 10. d3 Qd7 11. Nc3 Bh3 12.
b4 Bxg2 13. Kxg2 Nd5 14. Bb2 e5 15. Rac1 a6 16. Nxd5 Qxd5 17. Qc5 Qd7 18. Kg1
Rfe8 19. Rfd1 Nd4 20. Nxd4 exd4 21. Rc2 {Miszler,L (2243)-Schut,H (2101) chess.
com INT 2022 1-0 (56)}) 7. d3 c5 8. e4 $146 ({RR} 8. b4 cxb4 9. a3 Nc6 10. Qb3
bxa3 11. Bxa3 Re8 12. Nbd2 Rb8 13. Rfb1 e5 14. Ng5 Bf5 15. Nge4 Nxe4 16. Nxe4
Bf8 17. Bxf8 Bxe4 18. Bxe4 Rxf8 19. Qa3 Qc7 20. Qc5 Rfc8 21. Bxc6 bxc6 22. Rxb8
Rxb8 {Goric,E (2293)-Avdil,H (2303) Tuzla 2006 1-0 (42)}) 8... Nc6 9. h3 Ne8
10. Ne1 e5 11. f4 Nd6 12. Qe2 Qe7 13. g4 exf4 14. Bxf4 f5 15. gxf5 Nxf5 16. Nc2
Nh4 17. Nd2 Nxg2 18. Qxg2 Qh4 19. Bg3 Rxf1+ 20. Rxf1 Qxh3 21. Bd6 Qxd3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Gazineu Neto, Rubens"]
[Black "Pessoa, Marcio"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "113"]
[EventDate "2021.??.??"]

1. c4 f5 2. d4 e6 3. g3 Nf6 4. Nc3 d5 5. Nf3 c6 6. Qb3 Bd6 7. Bg2 O-O 8. O-O
Nbd7 9. Ng5 Qe7 10. f4 h6 11. Nf3 Ne4 12. Nxe4 $146 ({RR} 12. Ne5 Kh7 13. Nxe4
fxe4 14. Bd2 Nf6 15. Rac1 Rb8 16. Bh3 Bd7 17. c5 Bc7 18. Qa3 a6 19. Ba5 Bxa5
20. Qxa5 g6 21. a4 Rbe8 22. Qc3 Bc8 23. b4 Nd7 24. e3 Nxe5 25. dxe5 Bd7 26. Qb2
Rg8 {Seidens,U (2114)-Hertel,H (2102) Bayern 2007 1-0 (57)}) 12... fxe4 13. Ne5
Nxe5 14. dxe5 Bc5+ 15. e3 a5 16. a4 b6 17. Re1 Ba6 18. Bf1 Qf7 19. Be2 Qg6 20.
Kg2 Kh8 21. Bd2 Rad8 22. Rad1 Rd7 23. Bc1 Rfd8 24. h3 Bb7 25. cxd5 exd5 26. Rf1
Rf7 27. Kh2 h5 28. Bd2 Bc8 29. Rh1 Be6 30. Qc2 d4 31. exd4 Rxd4 32. Bc3 Rxd1
33. Bxd1 Qf5 34. Qg2 Bd5 35. Re1 h4 36. Rf1 Be3 37. Be1 hxg3+ 38. Bxg3 Bd4 39.
Bg4 e3 40. Qe2 Qe4 41. Bf3 Qf5 42. Bg4 Qe4 43. Bf3 Qh7 44. Bxd5 cxd5 45. e6 Rc7
46. f5 Rc8 47. b3 Qh6 48. h4 Qf6 49. Kh3 Be5 50. Rf3 d4 51. Qh2 Bxg3 52. Qxg3
e2 53. Qe1 Qe5 54. Kg2 Qe4 55. Kf2 Rc2 56. h5 Qh4+ 57. Kg2 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Guimaraes, Diogo Duarte"]
[Black "Veiga, Emerson"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "149"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2 e5 ({RR} 6... Ngf6
7. O-O g6 8. e5 dxe5 9. Nxe5 Bg7 10. Bf4 O-O 11. Rd1 Qa5 12. Qc3 Qb6 13. Nc4
Qe6 14. Qe3 b5 15. Na5 Nb6 16. Qxe6 Bxe6 17. Be5 Rac8 18. c3 Na4 19. b3 Nb6 20.
Bf3 Nfd5 21. Bxg7 {Carlsen,M (2847)-Svidler,P (2714) chess24.com INT 2021 1/
2-1/2 (55)}) 7. Qe3 Ngf6 8. c4 Qb6 $146 ({RR} 8... d5 9. cxd5 Bc5 10. Qd3 Ng4
11. Rf1 Qb6 12. h3 Bxf2+ 13. Kd1 Ne3+ 14. Bxe3 Bxe3 15. Kc2 O-O 16. Nbd2 Bf4
17. Rad1 Nc5 18. Qa3 Bd7 19. Kb1 Rac8 20. Rc1 Nxe4 21. Nxe4 Bf5 22. Rxc8 Rxc8
23. Qd3 {Caruana,F (2776)-Vokhidov,S (2552) chess.com INT 2022 1/2-1/2 (86)}) (
{RR} 8... Be7 9. O-O O-O 10. Nc3 Nc5 11. Rd1 Qc7 12. b3 Ne6 13. g3 b6 14. Bb2
Bb7 15. Rac1 Qc5 16. Qd3 Qc7 17. Qe3 Qc5 18. Qd3 Qc7 19. Nd5 Bxd5 20. cxd5 Nc5
21. Qe3 Qd7 22. Nd2 b5 23. Ba3 {Seo,J (2480)-Bodnaruk,A (2340) chess.com INT
2023 1-0 (75)}) 9. Nc3 Be7 10. Qxb6 Nxb6 11. Be3 Nbd7 12. Nd2 b6 13. O-O Bb7
14. a4 Bd8 15. b4 a5 16. bxa5 Rxa5 17. Rfb1 Bc6 18. Nb5 Ke7 19. Nb3 Ra8 20. f3
Nc5 21. Nxc5 bxc5 22. Rd1 Ne8 23. Ra3 Bb6 24. Rb3 Bc7 25. Ra1 Ba5 26. Rd3 Ra6
27. Bd1 Bb4 28. Bb3 Bd7 29. Rad1 f6 30. Bd2 Bxd2 31. R1xd2 g5 32. Bd1 Be6 33.
Bb3 h5 34. Rb2 Rf8 35. Nc3 Nc7 36. Ba2 Rfa8 37. Rd1 Bd7 38. Rdb1 Bc6 39. Bb3
Ne6 40. Bd1 Nd4 41. Rb8 Kd7 42. Nd5 Bxd5 43. exd5 Rxb8 44. Rxb8 h4 45. Rb7+ Ke8
46. g3 hxg3 47. hxg3 Kf8 48. Kf2 Kg8 49. Ke3 Nf5+ 50. Kf2 Nd4 51. g4 Kf8 52.
Ke3 Ke8 53. Kd2 Ra5 54. Kc3 Kf8 55. Rb2 Ra7 56. Ra2 Ra5 57. Kb2 Ke7 58. Ka3 Kf8
59. Rh2 Ke7 60. Rb2 Ra7 61. Rh2 Ra5 62. Bc2 Nxc2+ 63. Rxc2 f5 64. Rh2 e4 65.
fxe4 f4 66. Rh7+ Kf6 67. Rh6+ Ke5 68. Re6+ Kd4 69. Rxd6 f3 70. Rf6 Kxe4 71. Rf5
Ra6 72. Kb3 Ke3 73. Kc3 f2 74. Re5+ Kf3 75. Rxg5 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Jenidarchiche, Douglas"]
[Black "Campelo, Danilo"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 c5 4. c4 Nc6 5. O-O d5 6. cxd5 Nxd5 7. Nc3 Be7 8. d4
cxd4 9. Nxd4 Nxd4 10. Nxd5 Nxe2+ 11. Qxe2 exd5 12. Bg5 Be6 13. Bxe7 Qxe7 14.
Rad1 $146 ({RR} 14. Rfe1 O-O 15. Bxd5 Rfe8 16. Bxe6 Qxe6 17. Qd2 Qc6 18. Re3
Rxe3 19. Qxe3 a6 20. Rc1 Qd6 21. Qc5 Qxc5 22. Rxc5 b6 23. Rc7 Rb8 24. b4 Ra8
25. a4 g6 26. Rb7 b5 27. axb5 axb5 28. Rxb5 Ra1+ {Dohmes,H (2098)-Schleime,F 
(1758) Goch 2013 1-0 (53)}) 14... Rd8 15. Rfe1 Qc5 16. Bh3 Rd6 17. Rc1 Qb6 18.
Rc8+ Rd8 19. Bxe6 fxe6 20. Rxd8+ Kxd8 21. Qe5 Rf8 22. Re2 Rf6 23. Rc2 Ke7 24.
Qb8 Kf7 25. h4 Qd4 26. Qxb7+ Kg6 27. Qc7 h5 28. Qc8 Qd1+ 29. Kg2 Qf3+ 30. Kh2
Qd1 31. Kg2 Qf3+ 32. Kh2 Qd1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Kruger, Israel"]
[Black "Piccoli, Lucas"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "76"]
[EventDate "2021.??.??"]

1. e4 c6 2. Nf3 d5 3. d3 Bg4 4. Be2 e6 5. O-O Nd7 6. Nbd2 Ne7 $146 ({RR} 6...
Ngf6 7. c3 dxe4 8. dxe4 Bc5 9. b4 Bb6 10. e5 Nd5 11. Bb2 O-O 12. a3 Nf4 13. h3
Bh5 14. c4 a5 15. c5 Bc7 16. Re1 axb4 17. axb4 Rxa1 18. Qxa1 Nd5 19. Qa3 Qb8
20. Nc4 b6 21. Bd4 {Kanyamarala,T (2369)-Obgolts,E (2376) chess.com INT 2020
0-1 (42)}) ({RR} 6... Bd6 7. c3 Ne7 8. d4 O-O 9. Re1 Rc8 10. Ng5 Bxe2 11. Qxe2
Ng6 12. Ndf3 h6 13. exd5 exd5 14. Ne6 Bxh2+ 15. Kxh2 fxe6 16. Qxe6+ Kh7 17. Qh3
Kg8 18. Qe6+ Kh7 19. Qh3 Kg8 20. Qe6+ {1/2-1/2 (20) Anand,V (2753)-Pantsulaia,
L (2553) chess.com INT 2020}) ({RR} 6... Bd6 7. h3 Bh5 8. d4 Ne7 9. b3 O-O 10.
Bb2 c5 11. c4 cxd4 12. Nxd4 Bg6 13. Bf3 Ne5 14. exd5 exd5 15. cxd5 Nxf3+ 16.
Qxf3 Nxd5 17. Nc4 Bc5 18. Rad1 Qg5 19. Ne2 Rad8 20. Ne5 Nf6 21. Nxg6 {Timofeev,
A (2576)-Pogosian,M (2339) Sochi RUS 2023 1-0}) 7. Re1 g6 8. a4 Bg7 9. Nf1 O-O
10. c3 h6 11. h3 Bxf3 12. Bxf3 Qc7 13. Be3 Rae8 14. a5 a6 15. Nh2 Kh7 16. d4 f5
17. e5 c5 18. Qa4 Nc6 19. Rec1 h5 20. Qd1 f4 21. Bd2 Rf5 22. b4 c4 23. g4 fxg3
24. fxg3 Ndxe5 25. dxe5 Bxe5 26. Bg2 Bxg3 27. Nf3 Ne5 28. Ng5+ Kg8 29. Qe2 Bh4
30. Nxe6 Rxe6 31. Bxd5 Nf3+ 32. Kh1 Rxd5 33. Qxe6+ Kh7 34. Bf4 Qxf4 35. Rc2 Re5
36. Qd7+ Re7 37. Qc8 Ne1 38. Rb2 Qf1+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Lage, Pedro"]
[Black "Santos, Matheus Garcett"]
[Result "1/2-1/2"]
[ECO "E95"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1
c6 9. Be3 h6 ({RR} 9... Re8 10. dxe5 dxe5 11. Nd2 Qe7 12. a3 Nc5 13. b4 Ne6 14.
c5 Rd8 15. Bf1 Nd4 16. Qb1 Be6 17. Nc4 Qc7 18. Qb2 b6 19. cxb6 axb6 20. b5 Nd7
21. Rac1 Nc5 22. bxc6 Rab8 23. Bg5 f6 24. Bh4 {Pashikian,A (2663)-Markus,R 
(2608) Novi Sad 2009 0-1 (50)}) ({RR} 9... exd4 10. Nxd4 Re8 11. f3 d5 12. cxd5
cxd5 13. Bb5 dxe4 14. fxe4 a6 15. Bc4 Ne5 16. Bb3 Neg4 17. Bg5 Qb6 18. Na4 Qa7
19. h3 Nxe4 20. hxg4 Bxd4+ 21. Kh2 Qb8+ {0-1 (21) Blackburn,J (2189)-Bakalchuk,
J (2450) chess.com INT 2023}) 10. h3 Qe7 11. Bf1 $146 ({RR} 11. Qc2 Ne8 12. Qd2
Kh7 13. g4 exd4 14. Bxd4 Ne5 15. Nxe5 dxe5 16. Be3 Nc7 17. Rad1 Ne6 18. Kg2 Qh4
19. Rh1 Nd4 20. f3 Ne6 21. Bf2 Qf6 22. Bg3 Rd8 23. Qc1 Rxd1 24. Rxd1 Nf4+ 25.
Bxf4 exf4 {Funk,P (2123)-Kugelmann,W (2100) Bad Wildungen 2000 1-0 (59)}) 11...
a5 12. dxe5 dxe5 13. Qc2 Nh5 14. Na4 Nf4 15. c5 Ne6 16. Nd2 f5 17. f3 f4 18.
Bf2 g5 19. Nc4 h5 20. Nd6 Rf6 21. Rad1 Rg6 22. Nf5 Qf8 23. Rd6 Nd4 24. Qc4+ Kh7
25. Rxg6 Kxg6 26. Nxd4 exd4 27. Bxd4 Ne5 28. Qc3 Qh8 29. Rd1 Be6 30. Bxe5 Bxe5
31. Qd2 g4 32. Nb6 Re8 33. Bc4 Qf8 34. Nd7 Bxd7 35. Qxd7 Qxc5+ 36. Kh1 Rf8 37.
Qe6+ Bf6 38. fxg4 hxg4 39. Qxg4+ Qg5 40. Qxg5+ Kxg5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Leite, Coraci"]
[Black "dos Anjos, Avner Augusto"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "97"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. c3 Nf6 7. d3 ({RR} 7.
e5 Nd5 8. c4 Nc7 9. d4 cxd4 10. Qxd4 Ne6 11. Qh4 d6 12. Bh6 Bxe5 13. Nxe5 dxe5
14. Nc3 Qd4 15. Qg3 f6 16. b3 Nf4 17. Rfe1 Kf7 18. Rad1 Nh5 19. Qf3 Bg4 20.
Rxd4 Bxf3 21. Rd2 Bg4 {Abdusattorov,N (2627)-Wei Yi (2732) chess.com INT 2020
0-1 (66)}) ({RR} 7. e5 Nd5 8. d4 cxd4 9. Qxd4 d6 10. c4 Nb6 11. c5 dxc5 12. Qh4
h6 13. Nc3 Bf5 14. Rd1 Qb8 15. Qf4 Nd7 16. Qa4 O-O 17. Nh4 Be6 18. f4 Qb4 19.
Qc2 Nxe5 20. Nxg6 fxg6 21. fxe5 Bf5 {Grabinsky,A (2407)-Plat,V (2516) Prague
CZE 2023 0-1 (33)}) 7... O-O 8. Na3 $146 ({RR} 8. Be3 d6 9. e5 Nd5 10. Bc1 dxe5
11. Re1 f6 12. Nbd2 Nf4 13. d4 Nd3 14. Re3 Nxc1 15. Rxc1 cxd4 16. cxd4 exd4 17.
Rd3 e5 18. Rxc6 Bb7 19. Rc1 Rc8 20. Nc4 Bh6 21. Nfd2 Qd5 22. f3 Rxc4 {Namyil,
N-Liebert,H Ulaanbaatar 1956 0-1 (40)}) 8... d6 9. h3 Qc7 10. Bd2 Rb8 11. Qc1
Ba6 12. Re1 Bxd3 13. e5 Ne4 14. Bh6 f5 15. exf6 Bxh6 16. Qxh6 Nxf6 17. Qe3 Bf5
18. Qxe7 Qxe7 19. Rxe7 Rxb2 20. Rxa7 Ne4 21. Re1 d5 22. Rb1 Rxb1+ 23. Nxb1 Nxf2
24. Nbd2 Ne4 25. Nxe4 Bxe4 26. Ne5 d4 27. cxd4 cxd4 28. Rc7 Rb8 29. Rf7 Rb1+
30. Rf1 c5 31. Nd7 Rxf1+ 32. Kxf1 Bd3+ 33. Ke1 c4 34. Ne5 Be4 35. Nxc4 Bxg2 36.
a4 Bxh3 37. a5 h5 38. a6 Bg2 39. Ne5 Kg7 40. Kf2 Ba8 41. Nf3 Kf6 42. Nxd4 g5
43. Kg3 Ke5 44. Nf3+ Kf5 45. Nd4+ Kf6 46. Nf3 g4 47. Nh4 Ke5 48. Ng6+ Kd4 49.
Nf4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Lima, Vinicius Taishun"]
[Black "Mazetto, Sergio Luiz"]
[Result "1/2-1/2"]
[ECO "B35"]
[PlyCount "31"]
[EventDate "2021.??.??"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 Re8 9. f3 e6 10. f4 d5 ({RR} 10... d6 11. O-O Na5 12. Qf3 b6 13. Rad1 Bb7
14. Ndb5 Bf8 15. Rd2 Nxb3 16. axb3 a6 17. Nxd6 Bxd6 18. Rfd1 Nd5 19. exd5 b5
20. Qf2 b4 21. dxe6 Rxe6 22. f5 gxf5 23. Rxd6 Rxd6 24. Qg3+ Rg6 25. Rxd8+ {
Motylev,A (2668)-Timofeev,A (2549) Sochi 2017 1-0}) ({RR} 10... Nd5 11. Nxc6
bxc6 12. exd5 exd5 13. Kf2 Rxe3 14. Kxe3 d4+ 15. Kf3 dxc3 16. Qd6 cxb2 17. Rae1
Qf8 18. Qxf8+ Kxf8 19. Re3 d5 20. g4 Be6 21. Re2 a5 22. a4 Re8 23. h3 Bf6 24.
Kg3 Rb8 25. Rb1 {Lima,V (2002)-Bastos,G (1857) Salão de Convenções do Hot
2022 0-1 (32)}) 11. e5 Nd7 12. Ndb5 $146 ({RR} 12. O-O a6 13. Qf3 Na5 14. Rad1
b5 15. a4 b4 16. Na2 Nxb3 17. cxb3 a5 18. Rc1 Bb7 19. Nb5 Ba6 20. Nc7 Bxf1 21.
Qxf1 Rc8 22. Nxe8 Qxe8 23. Qb5 Rxc1+ 24. Nxc1 Qd8 25. Ne2 Bf8 26. Qc6 Nb8 {
Correia,M (2140)-Silva,M (1880) Figueira da Foz POR 2019 1/2-1/2 (45)}) ({RR} 
12. Qd2 Nc5 13. Nxc6 Nxb3 14. Nxd8 Nxd2 15. Nxf7 Nc4 16. Nd6 Nxd6 17. exd6 d4
18. Nb5 dxe3 19. Nc7 Bd7 20. Nxa8 Rxa8 21. O-O-O Bc6 22. Rhe1 Bxg2 23. Rxe3 Bd5
24. d7 Kf7 25. c4 Bh6 26. cxd5 Bxf4 {Santos Flores,A (2164)-Atakhan,A (2370)
chess.com INT 2023 1-0 (40)}) 12... f6 13. Nxd5 exd5 14. Qxd5+ Kh8 15. Nd6 Re7
16. O-O-O 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Limp, Eduardo Thelio"]
[Black "Labussiere, Victor"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 O-O 5. Nbd2 d5 6. e3 c5 7. Be2 b6 8. O-O
Nc6 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 f6 12. Bf3 $146 ({RR} 12. exf6 Nxf6 13. Bf3
Bb7 14. Nc4 e6 15. Ne5 Qc7 16. Ng4 Nxg4 17. Bxg4 Rae8 18. Bf3 a5 19. Rf2 b5 20.
Rd2 b4 21. Rc1 c4 22. Bh4 Bc6 23. Qc2 a4 24. Re2 b3 25. axb3 cxb3 26. Qd2 Bb5 {
Peric,S (2284)-Korneev,O (2649) Assisi 2006 0-1 (34)}) 12... Nxe5 13. fxe5 fxg5
14. c4 Be6 15. cxd5 Bxd5 16. Ne4 e6 17. Nf6+ Bxf6 18. Bxd5 Qxd5 19. exf6 Qxd1
20. Raxd1 Rad8 21. a4 Kf7 22. a5 e5 23. axb6 axb6 24. b4 Rxd1 25. Rxd1 cxb4 26.
Rb1 Rb8 27. Rxb4 b5 28. Kf2 Kxf6 29. Ke2 Ke6 30. Kd3 Kd5 31. h4 gxh4 32. Rxh4
b4 33. Kc2 b3+ 34. Kb2 Rb7 35. Ra4 Ke6 36. Rh4 Kf5 37. g3 h5 38. Ra4 g5 39. Rc4
Rb5 40. Ra4 e4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Lopes, Wendell"]
[Black "Ferreira, Fernando G"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "62"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 Nb6 5. Bb3 Nc6 6. d4 cxd4 7. cxd4 d5 8.
exd6 ({RR} 8. Bc2 Nb4 9. Nc3 Nxc2+ 10. Qxc2 Bd7 11. Nge2 e6 12. Qd3 Rc8 13. O-O
Qh4 14. a4 a6 15. b3 Be7 16. Ba3 Bxa3 17. Rxa3 O-O 18. Ra2 Qe7 19. Nf4 Qb4 20.
Nce2 f5 21. h4 a5 22. h5 Rc6 {Mamedyarov,S (2767)-Vitiugov,N (2726) chess.com
INT 2022 1-0 (41)}) ({RR} 8. Bc2 Nb4 9. Nc3 Nxc2+ 10. Qxc2 g6 11. h4 Bf5 12.
Qb3 Qd7 13. Nge2 Rc8 14. h5 gxh5 15. Nf4 Rg8 16. Rxh5 e6 17. a4 Be7 18. a5 Nc4
19. Rxf5 exf5 20. Ncxd5 Rxg2 21. Nf6+ Bxf6 22. Nxg2 Be7 {Harikrishna,P (2717)
-Korobov,A (2672) Czech Republic CZE 2023 1/2-1/2 (32)}) 8... Qxd6 9. Be3 Qb4+
$146 ({RR} 9... g6 10. Nc3 Bg7 11. Nge2 O-O 12. O-O Rd8 13. Nb5 Qd7 14. a4 Na5
15. Rc1 Nxb3 16. Qxb3 Nd5 17. Nf4 Nxe3 18. fxe3 e6 19. Rc7 Qe8 20. Nd3 a6 21.
Rfxf7 Qxf7 22. Rxf7 Kxf7 23. Nc7 Rb8 24. Nc5 {Stefanova,M (2018)
-Barbageorgopoulou,F (1792) Vratsa 2007 1-0 (36)}) 10. Nc3 Bf5 11. a3 Qd6 12.
h3 e6 13. Nf3 Be7 14. O-O O-O 15. Ne2 Na5 16. Bc2 Bxc2 17. Qxc2 Rac8 18. Qd2
Nac4 19. Bf4 Nxd2 20. Bxd6 Nxf3+ 21. gxf3 Bxd6 22. Rac1 Nd5 23. Ng3 Rxc1 24.
Rxc1 f5 25. Kf1 Nf4 26. h4 Rd8 27. Rc4 h5 28. Ra4 a6 29. Rc4 Kf7 30. Ne2 Nxe2
31. Kxe2 Kg6 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Mariano, Marceley M"]
[Black "Silva, Anjossendre"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "87"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e5 4. Nc3 Be7 5. d3 Nf6 6. h3 d6 7. Be3 ({RR} 7. Nh2
O-O 8. Ng4 Nd7 9. O-O Nb6 10. Ne3 Bg5 11. Ned5 Nxc4 12. dxc4 Be6 13. Nb5 Bxc1
14. Rxc1 Kh8 15. c3 Qd7 16. Rc2 a6 17. Nbc7 Rad8 18. Rd2 Na5 19. b3 {1/2-1/2 
(19) Rowson,J (2512)-Gormally,D (2505) London 2001}) 7... Nd4 $146 ({RR} 7...
O-O 8. O-O Be6 9. Bxe6 fxe6 10. Ng5 Qc7 11. f4 exf4 12. Bxf4 Rad8 13. Bg3 h6
14. Nf3 Nh7 15. Nh4 Rxf1+ 16. Qxf1 Bf6 17. Nf3 Ng5 18. Nxg5 Bxg5 19. Ne2 Rf8
20. Qe1 Be3+ 21. Kh2 d5 22. Ng1 {Szymanowska,L (1943)-Mitura,V (2218) Rewal
2006 1/2-1/2 (38)}) ({RR} 7... O-O 8. a4 a6 9. Nd5 Rb8 10. c3 b5 11. Nxf6+ Bxf6
12. Bd5 Ne7 13. a5 Nxd5 14. exd5 b4 15. c4 e4 16. dxe4 Bxb2 17. O-O Bxa1 18.
Qxa1 f6 19. Rb1 Re8 20. Nd2 Bd7 21. f3 Qe7 22. f4 {Popov,M (1758)-Manteiga,F 
(1915) Montevideo URU 2022 0-1 (43)}) 8. Bxd4 cxd4 9. Ne2 O-O 10. O-O Bd7 11.
Ng3 Rc8 12. Qe2 b5 13. Bb3 a5 14. a3 Qc7 15. Rac1 a4 16. Ba2 Qa5 17. Qd2 Qb6
18. c3 dxc3 19. bxc3 Qc5 20. Qb2 Qc6 21. Rc2 h6 22. Nh4 Kh7 23. Nhf5 Bd8 24.
Qb4 Bc7 25. Ne7 Qa8 26. Nxc8 Rxc8 27. Bxf7 Rf8 28. Ba2 Qe8 29. d4 exd4 30. cxd4
Bb8 31. Re2 Qc8 32. Nf5 Rd8 33. Ne7 Qb7 34. Bd5 Qc7 35. e5 dxe5 36. dxe5 Re8
37. Qb1+ Kh8 38. Ng6+ Kh7 39. Bf7 Rd8 40. Rc1 Bc6 41. Ne7+ Kh8 42. Nxc6 Rc8 43.
Nxb8 Qxb8 44. exf6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Marra, Eduardo"]
[Black "Santiago, Yago"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 g6 7. Nf3 Nd7 8. Bd3 ({
RR} 8. b4 Be7 9. Bd3 a5 10. b5 h5 {1/2-1/2 (10) Sauvageot Ledezma,D (2142)
-Caceres Benitez,A (2033) Asuncion PAR 2023}) 8... Be7 9. O-O h5 $146 ({RR} 
9... Nc5 10. Bg5 Nxd3 11. cxd3 h6 12. Bxe7 Nxe7 13. h4 h5 14. Qf4 Nf5 15. Nc3
Bd7 16. Rac1 Rc8 17. Ne2 O-O 18. Rxc8 Bxc8 19. Ng3 Kg7 20. Rc1 b6 21. d4 Qe7
22. Rc3 Ba6 23. Nxf5+ exf5 24. Qc1 {Girsh,D (2076)-Trakru,R (2056)
Philadelphia USA 2022 1-0 (36)}) 10. Qf4 Nc5 11. Be2 Nh6 12. Nc3 Bd7 13. Rd1
Nf5 14. Nd4 a6 15. a4 Qc7 16. Nxd5 exd5 17. e6 Bd6 18. exd7+ Nxd7 19. Qg5 Ne7
20. h3 Bh2+ 21. Kh1 Be5 22. Qe3 O-O 23. Bd2 Rfe8 24. c3 Nc6 25. Nxc6 bxc6 26.
Qf3 Nc5 27. Be3 Ne6 28. a5 Bf4 29. Bb6 Qd6 30. h4 Qe7 31. g3 Bc7 32. Be3 Nc5
33. Re1 Ne4 34. Bd3 Qd8 35. Bh6 f5 36. Kg2 Bxa5 37. Be3 Bb6 38. Bxa6 Bxe3 39.
Qxe3 Rb8 40. Re2 Qd6 41. Bd3 Nc5 42. Qf3 Re7 43. Rae1 Ne4 44. Qe3 Kh7 45. c4
Rb3 46. cxd5 Qxd5 47. Bxe4 Rxe4 48. Qa7+ Re7+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Matsuura, Everaldo"]
[Black "Brito, Luismar"]
[Result "1/2-1/2"]
[ECO "B96"]
[PlyCount "96"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4
Be7 9. Qe2 Nxe4 10. Nxe4 ({RR} 10. Bxe7 Nxc3 11. Qc4 Kxe7 12. Qxc3 Bd7 13.
O-O-O Qb6 14. Qg3 Rg8 15. f5 Qc5 16. Qh4+ g5 17. Qxh6 Nc6 18. f6+ Kd8 19. Nxc6+
Bxc6 20. Bd3 Kc7 21. Rhe1 Raf8 22. g3 Rh8 23. Qg7 Kb8 24. h4 gxh4 {Movahed,S 
(2340)-Duda,J (2724) chess.com INT 2023 0-1 (54)}) 10... Bxh4+ 11. g3 Be7 12.
O-O-O Qc7 $146 ({RR} 12... d5 13. Nf2 Nc6 14. Bg2 O-O 15. g4 Qb6 16. Nf3 Bf6
17. c3 e5 18. Nxe5 Re8 19. Bxd5 Nxe5 20. fxe5 Rxe5 21. Ne4 Bg5+ 22. Kb1 Be6 23.
Bxe6 Qxe6 24. Nxg5 Qg6+ 25. Qd3 Qxg5 26. Qf3 Qg6+ 27. Ka1 {Zakrzewski,M (2318)
-Medvedyk,V (2285) Lviv UKR 2019 1/2-1/2 (32)}) 13. Bg2 Nc6 14. f5 Nxd4 15.
Rxd4 e5 16. Rc4 Qb6 17. Nc3 Bd8 18. Qe4 Rb8 19. Rd1 Bd7 20. Kb1 O-O 21. g4 Bc6
22. Qe2 Be7 23. Bd5 Rfc8 24. a3 Kf8 25. Qd2 Bg5 26. Qd3 Be7 27. Qf3 a5 28. a4
Bf6 29. Ne4 Bxd5 30. Rxc8+ Rxc8 31. Rxd5 Qg1+ 32. Rd1 Qxh2 33. c3 Be7 34. f6
gxf6 35. Nxf6 Qf4 36. Qxb7 Rd8 37. Qxe7+ Kxe7 38. Nd5+ Ke6 39. Nxf4+ exf4 40.
Rh1 Rg8 41. Rxh6+ f6 42. Kc2 Rxg4 43. Kd3 d5 44. Rh8 Ke5 45. Re8+ Kf5 46. Rd8
Ke5 47. Re8+ Kf5 48. Rd8 Ke5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Medeiros, Fabricio"]
[Black "Viana, Paulo Vitor"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "66"]
[EventDate "2021.??.??"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Nc3 Nf6 6. Bd2 O-O 7. O-O-O a5 (
{RR} 7... d5 8. exd5 Nxd5 9. Nxd5 Qxd5 10. Bxb4 Qxa2 11. Bxf8 Bf5 12. Qa3 Qe6
13. Bc5 b6 14. Be3 a5 15. Qb3 Qf6 16. Nf3 Nb4 17. Bd3 Be6 18. Bc4 Bf5 19. Bd4
Qg6 20. Ne5 Qg5+ 21. Be3 Qf6 22. Bxf7+ {Liu,C (2278)-Estrada Nieto,J (2212)
chess.com INT 2023 1-0 (32)}) 8. a3 Bxc3 9. Bxc3 d6 $146 ({RR} 9... Qe7 10. Bd3
Ne5 11. Bxe5 Qxe5 12. Nf3 Qe6 13. Kb1 d6 14. h3 Re8 15. Rhe1 c6 16. Nd2 b5 17.
g4 b4 18. a4 Ba6 19. Bxa6 Rxa6 20. Qd3 Rb6 21. Nc4 Rbb8 22. Nxa5 c5 23. f3 Ra8
24. Nc4 {Pita Romero,I-Munoz Angel,A Oropesa del Mar 2001 1/2-1/2 (50)}) 10.
Be2 Qe7 11. f3 Qe6 12. Kb1 b6 13. g4 Ba6 14. g5 Nd7 15. f4 f5 16. gxf6 Nxf6 17.
Nf3 Qxe4 18. Qxe4 Nxe4 19. Bxa6 Rxa6 20. Be1 Rxf4 21. Nd2 Ra8 22. Nxe4 Rxe4 23.
Bc3 Rae8 24. h4 h5 25. Rdg1 Nd4 26. Rg5 R8e5 27. Rd1 Rxg5 28. hxg5 Nc6 29. Rd5
Rg4 30. Bd2 h4 31. Rf5 h3 32. Ka2 h2 33. Rf1 Rg1 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Mekhitarian, Krikor"]
[Black "Umetsubo, Cesar"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "58"]
[EventDate "2021.??.??"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 Ne7 9. Qc2 g6 10. f3 ({RR} 10. Nge2 Bf5 11. Nf4 Nd7 12. O-O O-O 13. Na4
Rfe8 14. Rfc1 Qf6 15. b4 Nb6 16. Nc5 Rab8 17. a4 g5 18. Nh5 Qg6 19. Bxf5 Nxf5
20. g4 Nd6 21. Qxg6+ hxg6 22. Nf6+ Kf8 23. Ncd7+ Ke7 24. Nxe8 Rxe8 {Malakhov,V
(2732)-Zhou,J (2668) Ningbo 2010 1-0 (37)}) 10... Nf5 11. Bxf5 Bxf5 12. e4 dxe4
$146 ({RR} 12... Be6 13. e5 Qb4 14. Nge2 Nd7 15. h4 h5 16. Qd2 Nb6 17. b3 a5
18. O-O a4 19. Rab1 a3 20. Rbc1 Qe7 21. g3 Kf8 22. Nd1 Kg7 23. Nf4 Nd7 24. Ne3
f6 25. Nxe6+ Qxe6 26. f4 f5 27. Qb4 {Ajay,K (2315)-Isajevsky,A (2403) chess.
com INT 2020 0-1 (115)}) 13. fxe4 Bg4 14. h3 Qg3+ 15. Qf2 Qxf2+ 16. Kxf2 Be6
17. Nf3 f6 18. d5 Bf7 19. Rad1 Nd7 20. dxc6 bxc6 21. Rd6 Rc8 22. Rhd1 Rc7 23.
Nd4 O-O 24. Rxc6 Rb7 25. b3 Ne5 26. Ra6 Rd8 27. Ke3 Rbd7 28. Rxf6 Bc4 29. Rf2
Ba6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Melo, Igor"]
[Black "Zakowicz, Rafael"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O e5 5. c3 Ngf6 6. Re1 Be7 7. d4 Qc7 8. d5
$146 ({RR} 8. Nbd2 O-O 9. Nf1 a6 10. Bd3 Re8 11. Ng3 Bf8 12. Bg5 h6 13. Be3 Ng4
14. Bd2 cxd4 15. cxd4 exd4 16. Nxd4 Nc5 17. Bc3 d5 18. Be2 Nxe4 19. Bxg4 Nxc3
20. Qf3 Bxg4 21. Qxg4 Nxa2 22. Rxe8 Rxe8 {Gereben,E-Wirthensohn,H Basel 1971 1/
2-1/2 (38)}) ({RR} 8. a4 O-O 9. Na3 a6 10. Bf1 Rd8 11. Nc4 cxd4 12. cxd4 exd4
13. Nxd4 d5 14. Nf5 dxc4 15. Nxe7+ Kf8 16. Nd5 Nxd5 17. exd5 Nf6 18. Bg5 Rxd5
19. Qc1 Be6 20. Bxf6 gxf6 21. Bxc4 Rh5 22. Bxe6 Qxh2+ {Buchenau,F (2222)
-Osmonbekov,T (2137) chess.com INT 2023 0-1}) 8... a6 9. Bd3 Nf8 10. Nbd2 g5
11. Nxg5 h5 12. Nf1 Rg8 13. f4 c4 14. Be2 exf4 15. Bxf4 Ng4 16. Nf3 Ng6 17. Bd2
Qc5+ 18. Nd4 Nh4 19. g3 Bf6 20. Bc1 Bd7 21. Ne3 Ne5 22. Kh1 Nhg6 23. Rf1 Bh8
24. Bxh5 Bh3 25. Rf2 Nd3 26. Re2 Nge5 27. b3 Rg5 28. Bxf7+ Kxf7 29. bxc4 Rf8
30. a4 Nxc1 31. Rxc1 Ke8 32. Rb1 Ng4 33. Qg1 Bxd4 34. cxd4 Qxd4 35. Nxg4 Qxc4
36. Ree1 Bxg4 37. h3 Bf3+ 38. Qg2 Bxg2+ 39. Kxg2 Qc2+ 40. Kh1 Rxg3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Moyses Sobrinho, Elias"]
[Black "Soares, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "A85"]
[PlyCount "100"]
[EventDate "2021.??.??"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Nc3 d5 5. cxd5 exd5 6. Bg2 c6 7. Bg5 Bd6 8. e3 (
{RR} 8. Bxf6 Qxf6 9. f4 O-O 10. Nf3 Nd7 11. Ne5 Qe7 12. e3 Nf6 13. O-O Ne4 14.
Rc1 Be6 15. a3 a5 16. Na4 g5 17. Bxe4 fxe4 18. Nc5 Bh3 19. Rf2 gxf4 20. exf4
Bxe5 21. dxe5 Rad8 22. Qb3 Rf7 {Godes,D (2370)-Shachar,E (2370) Kfar Sava 1995
1-0 (42)}) ({RR} 8. Nh3 O-O 9. O-O Qe8 10. Bxf6 Rxf6 11. e3 Nd7 12. Rb1 Rf8 13.
b4 a6 14. a4 Nf6 15. b5 axb5 16. axb5 Ne4 17. Qc2 Bd7 18. b6 Qd8 19. Na4 h6 20.
Nc5 Bxc5 21. dxc5 Qe7 22. Nf4 Kh7 {Andrade,M (1578)-Castro Silva,A (1969)
Florianopolis/SC 2021 0-1 (53)}) 8... O-O 9. Bxf6 Qxf6 10. Nf3 $146 ({RR} 10.
Nge2 Nd7 11. O-O Qh6 12. Qd3 Nf6 13. Rfe1 Ng4 14. h3 Nf6 15. h4 Kh8 16. Nf4 Rg8
17. Nh3 Ne4 18. Ne2 g5 19. Nxg5 Nxg5 20. hxg5 Rxg5 21. Nf4 Bd7 22. a3 Rag8 23.
b4 a6 24. Rac1 Qg7 {Dolanyi,J (2055)-Khudoly,K Gyongyos 2000 1/2-1/2 (53)})
10... Nd7 11. O-O Qe7 12. a3 a5 13. Qc2 Nf6 14. Na4 Be6 15. Ng5 Ne4 16. Nxe6
Qxe6 17. Bxe4 fxe4 18. Nc5 Bxc5 19. dxc5 Qh3 20. Qe2 Rf3 21. Rfe1 Raf8 22. Qf1
Qf5 23. Re2 g5 24. b4 a4 25. Rb1 h5 26. Qg2 Qd7 27. Rd2 R8f6 28. Rbd1 Kf7 29.
b5 h4 30. bxc6 bxc6 31. Rb1 Qe7 32. Rc2 hxg3 33. hxg3 Rh6 34. Rb4 Qf8 35. Rxa4
Qh8 36. Rd4 g4 37. Rb2 Kg6 38. Rb6 Kg5 39. a4 Rf7 40. Kf1 Rh2 41. Rxc6 Rxg2 42.
Rxd5+ Rf5 43. Rxf5+ Kxf5 44. Kxg2 Qa8 45. Rd6 Qxa4 46. Rd4 Qc2 47. Kg1 Qxc5 48.
Kg2 Ke5 49. Kg1 Qc1+ 50. Kg2 Qa1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Nascimento, Davi Araujo"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "77"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. O-O Nf6 7. d3 Bd7 8. f4
O-O 9. h3 Rb8 10. g4 e6 ({RR} 10... b5 11. Ng3 b4 12. Nce2 Ne8 13. f5 Nc7 14.
g5 Nd4 15. h4 Nxe2+ 16. Qxe2 Nb5 17. Rb1 Qa5 18. f6 Bh8 19. Qf2 Qxa2 20. Be3
Qe6 21. Ra1 Rfc8 22. Ne2 exf6 23. gxf6 Qe5 24. Bg5 Qxb2 25. Nf4 {Rublevsky,S 
(2695)-Kurnosov,I (2657) Khanty-Mansiysk 2013 1-0 (35)}) ({RR} 10... b5 11. Ng3
Nd4 12. f5 b4 13. Nce2 Nxe2+ 14. Qxe2 Bb5 15. Bd2 Nd7 16. c4 bxc3 17. Bxc3 Ne5
18. Rad1 Qb6 19. Kh1 Qa6 20. Qe3 Nxd3 21. Bxg7 Kxg7 22. fxg6 fxg6 23. Qg5 Qb7
24. Nf5+ Kh8 25. Nxe7 {Izbekova,E (1913)-Shomoev,A (2555) Yakutsk RUS 2023 0-1
(51)}) 11. Ng3 b5 12. Nce2 $146 ({RR} 12. f5 Ne8 13. Nce2 exf5 14. exf5 gxf5
15. Nxf5 Bxf5 16. Rxf5 Nd4 17. Nxd4 Bxd4+ 18. Kh1 Ng7 19. Rf1 b4 20. a3 Qh4 21.
axb4 cxb4 22. Bf4 Rbd8 23. Qd2 Ne6 24. Be3 Rfe8 25. Bxd4 Nxd4 26. Qf4 Nxc2 {
Njegic,V (2103)-Lazovic,B (1810) Serbia 2012 1-0}) 12... e5 13. f5 Nd4 14. g5
Ne8 15. f6 Bh8 16. c3 Nxe2+ 17. Qxe2 Nc7 18. Be3 Qc8 19. Kh2 Ne6 20. h4 Re8 21.
Bf3 Nf8 22. Rh1 h5 23. Rhd1 b4 24. c4 a5 25. b3 a4 26. Rdb1 a3 27. Rh1 Ne6 28.
Kg2 Nf4+ 29. Bxf4 exf4 30. Nf1 Bg4 31. Nd2 Re5 32. Raf1 Qe6 33. Bxg4 hxg4 34.
Rxf4 d5 35. Qxg4 dxe4 36. Qxe6 fxe6 37. Rxe4 Bxf6 38. gxf6 Rf5 39. Rf1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Nemeth Jr, Henrique"]
[Black "Lima, Carlos Eduardo A"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nxc3 7. bxc3 Bd7
$146 ({RR} 7... Nc6 8. d4 e6 9. Bd3 Bd6 10. O-O O-O 11. Qe2 h6 12. Rd1 Qc7 13.
Bb2 Bd7 14. g3 Rac8 15. Rac1 Qa5 16. Ba1 Qh5 17. Rb1 Nd8 18. Bb5 Bc6 19. Bxc6
Rxc6 20. Rb5 Qg6 21. c4 a6 22. Nh4 {Kos,I (2125)-Potocnik,A (2023) Celje 2008
1-0 (45)}) ({RR} 7... Qc7 8. d4 e6 9. c4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 b6 12. Be2
O-O 13. O-O Nd7 14. a4 Bb7 15. a5 Rfd8 16. Qe3 Rac8 17. Rfc1 bxa5 18. Nd2 Nb6
19. Bf1 a4 20. Ne4 Bc6 21. g3 Qd7 22. c5 {Timman,J (2615)-Fressinet,L (2711)
Malmo 2014 1/2-1/2 (93)}) ({RR} 7... Nc6 8. d4 Bg4 9. Bc4 e6 10. h3 Bh5 11. Be3
Bd6 12. O-O O-O 13. Be2 Rc8 14. c4 Bb8 15. d5 exd5 16. Qxd5 Qxd5 17. cxd5 Nb4
18. Rfd1 Rfd8 19. Rd2 Rxd5 20. Rb2 a5 21. a3 Nc2 22. Rc1 {Asish Panda (1731)
-Manukian,A (2196) chess.com INT 2023 1-0}) 8. d4 Qc7 9. Bd2 g6 10. Bd3 Bg7 11.
O-O O-O 12. Re1 e6 13. h4 Nc6 14. h5 Na5 15. Ng5 e5 16. Nxh7 Kxh7 17. hxg6+
fxg6 18. Qh5+ Kg8 19. Bxg6 Rf6 20. Rxe5 Nc6 21. Qh7+ Kf8 22. Bh6 Rxg6 23. Qxg6
Be8 24. Qf6+ Qf7 25. Bxg7+ Kg8 26. Qh6 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Neves, Andrey de Souza"]
[Black "Ribeiro, Matheus D"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "115"]
[EventDate "2021.??.??"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 d6 8. exd6
Qxd6 9. O-O Bg4 10. Re1 O-O-O 11. b3 Qf6 ({RR} 11... e5 12. h3 Bh5 13. bxc4
Nxc4 14. d3 Nb6 15. Nbd2 Qc7 16. Ne4 Be7 17. Ng3 Bg6 18. Qe2 Rhe8 19. c4 Bb4
20. Rd1 f5 21. Rb1 Bc5 22. Rb5 Nd4 23. Nxd4 Bxd4 24. Bb2 a6 25. Rb3 Na4 26. Ba1
{Vachier Lagrave,M (2778)-Sjugirov,S (2675) chess.com INT 2020 1-0 (43)}) 12.
Qe2 $146 ({RR} 12. Na3 Nd5 13. Bb2 Bxf3 14. Qxf3 Qxf3 15. gxf3 cxb3 16. axb3 e6
17. Nc4 Kb8 18. Ba3 Rd7 19. Be4 Bxa3 20. Rxa3 Rhd8 21. Kf1 a6 22. Ne3 Nxe3+ 23.
dxe3 Na7 24. Raa1 f5 25. Bc2 Rc7 26. c4 Nc6 {Parligras,M (2601)-Vachier
Lagrave,M (2721) Germany 2010 0-1 (56)}) ({RR} 12. Na3 Nd5 13. Bb2 Bxf3 14.
Qxf3 Qxf3 15. gxf3 cxb3 16. axb3 e6 17. Nc4 a6 18. b4 Be7 19. d4 Kb8 20. Ne3
Bd6 21. Bd3 Nce7 22. b5 axb5 23. Bxb5 Nc7 24. Bf1 Kc8 25. Reb1 Kd7 26. c4 Rb8 {
Zhigalko,S (2572)-Kislinsky,A (2361) chess.com INT 2023 0-1 (48)}) 12... Bxf3
13. gxf3 Nd5 14. bxc4 Nf4 15. Qf1 Ne5 16. Rxe5 Qxe5 17. d4 Qg5+ 18. Kh1 e5 19.
c5 Qh5 20. Be4 f5 21. Bxb7+ Kxb7 22. Qb5+ Kc7 23. Qa5+ Kd7 24. c6+ Ke7 25. Qc7+
Ke8 26. Qxe5+ Kf7 27. Bxf4 Qxf3+ 28. Kg1 Rd5 29. Qc7+ Be7 30. Nd2 Qg4+ 31. Kh1
Rc8 32. Qxc8 Qxf4 33. Re1 Qd6 34. Nc4 Qh6 35. Ne5+ Rxe5 36. dxe5 Qf4 37. Qd7
Qf3+ 38. Kg1 Qg4+ 39. Kf1 Qh3+ 40. Ke2 Qg4+ 41. f3 Qg2+ 42. Ke3 f4+ 43. Ke4
Qc2+ 44. Qd3 Qa4+ 45. c4 Kf8 46. e6 Qa5 47. Rb1 g6 48. Qd5 Qxa2 49. Rb8+ Kg7
50. Qe5+ Kh6 51. Qxf4+ g5 52. Qe5 Qxc4+ 53. Kf5 Qxc6 54. Kg4 Qc4+ 55. Qe4 Qf1
56. Rb7 Qg1+ 57. Kf5 Qc5+ 58. Qe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Nunes, Gustavo Morais"]
[Black "Cabral, Denrick"]
[Result "1/2-1/2"]
[ECO "A39"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. d4 {ChessBase} Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c5 6. O-O cxd4 7.
Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Bg5 h6 11. Bxf6 Bxf6 12. Qd2 Bg7 ({RR} 
12... Qa5 13. Rac1 Bg7 14. Rfd1 Re8 15. Nd5 Qxd2 16. Rxd2 Rb8 17. c5 dxc5 18.
Rxc5 e5 19. Nc7 Rf8 20. Bd5 b6 21. Rcc2 Bf5 22. e4 Bh3 23. Nb5 Bf6 24. Rc7 Rbc8
25. Rdc2 Be7 26. Nxa7 Rxc7 27. Rxc7 {Rukavina,J (2430)-Cebalo,M (2535) Basel
1999 1-0 (48)}) 13. Rac1 ({RR} 13. Rfd1 Qa5 14. Nd5 Qd8 15. Rac1 Bd7 16. b4 Ba4
17. Re1 a6 18. Qe3 Re8 19. Nb6 Bb2 20. Nxa4 Bxc1 21. Rxc1 Qc7 22. Nb6 Rad8 23.
Nd5 Qd7 24. Qxh6 Qa4 25. Qd2 Rc8 26. Nb6 {1-0 (26) Ginzburg,Y (2405)-Delgado
Kuffo,A (2320) chess.com INT 2023}) 13... Rb8 14. b3 $146 ({RR} 14. Rfd1 Be6
15. b3 Qd7 16. c5 Rfd8 17. cxd6 Qxd6 18. Qxd6 exd6 19. Nb5 d5 20. e3 a6 21. Nc3
d4 22. exd4 Bxd4 23. Ne2 Bb2 24. Rxd8+ Rxd8 25. Re1 b6 26. Nf4 Bf5 27. Nd5 Bd4
28. Rd1 Bc5 {Webb,S-Enticknap,J Sunderland/ Tyne and Wear 1966 EXT 1999 
[ChessBase] 1-0 (31)}) 14... Bd7 15. Rfd1 Bc6 16. Nd5 Qd7 17. e4 Rfd8 18. Qe3
e6 19. Nb4 a5 20. Nc2 Qe7 21. a4 Kh7 22. Rd3 h5 23. Qb6 Ra8 24. Rcd1 h4 25. Qe3
Bh6 26. Qe1 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Oliveira, Leonardo Tadeu"]
[Black "Teixeira, Jonas"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "61"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
f3 a6 9. Nxc6 ({RR} 9. Qd2 Qc7 10. Bb3 Na5 11. g4 d6 12. g5 Nh5 13. Nd5 Nxb3
14. Nxb3 Qd8 15. Bb6 Qd7 16. O-O-O Kh8 17. Kb1 Qc6 18. Bd4 e5 19. Na5 Qa4 20.
Be3 Be6 21. b3 Qd7 22. Nb6 Qb5 23. a4 Qe8 {Mascaro March,P (2350)-Bellon Lopez,
F (2180) Palma de Mallorca 2001 1-0 (39)}) ({RR} 9. Qd2 b5 10. Bb3 Bb7 11. h4
Na5 12. h5 Nxb3 13. Nxb3 Nxh5 14. Rxh5 gxh5 15. Bh6 Qb6 16. Be3 Qc7 17. O-O-O
b4 18. Ne2 Rfc8 19. Nf4 Bh6 20. Nd5 Bxe3 21. Nxe3 e6 22. Rh1 a5 23. Kb1 a4 {
Hrubos,M (1772)-Ocko,M (1736) Slovakia 2014 0-1 (45)}) 9... dxc6 10. Qe2 $146 (
{RR} 10. O-O b5 11. Bd3 Qc7 12. Bc5 Qe5 13. Be3 c5 14. f4 Qc7 15. e5 Ng4 16.
Qf3 Nxe3 17. Qxe3 e6 18. b3 Bb7 19. Be4 b4 20. Bxb7 Qxb7 21. Ne4 c4 22. Nd6 Qd5
23. Rad1 Qc6 24. Nxc4 Rfd8 {Klopstra,F-Van der Wouden,L Haarlem 2010 1-0})
10... Qc7 11. O-O b5 12. Bb3 a5 13. a3 Ba6 14. Nd1 Nd7 15. c4 Ne5 16. Nc3 bxc4
17. Ba2 Nd3 18. Qc2 Rab8 19. Rab1 Rfd8 20. Rfd1 Qe5 21. Na4 Rd7 22. Nb6 Rdb7
23. Nxc4 Bxc4 24. Qxc4 Nf4 25. Qxf7+ Kh8 26. Qxf4 Rxb2 27. Rxb2 Qxb2 28. Rb1
Qxb1+ 29. Bxb1 Rxb1+ 30. Kf2 Rb2+ 31. Ke1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Olivo, Anibal"]
[Black "Sovinski, Marcos Roberto"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "79"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 cxd4 (
{RR} 7... Nf6 8. O-O Qc7 9. dxc5 Bxc5 10. Nb3 Be7 11. Bg5 O-O 12. c3 Be6 13.
Nfd4 Rae8 14. Re1 Ne4 15. Bxe7 Rxe7 16. Bf3 Bc8 17. Qc2 Rfe8 18. Rad1 Ne5 19.
h3 Ng5 20. Nd2 Bxh3 21. gxh3 Nxh3+ 22. Kf1 {Rublevsky,S (2695)-Zvjaginsev,V 
(2659) Khanty-Mansiysk 2013 0-1}) 8. O-O Be6 ({RR} 8... Nf6 9. Nb3 Qc7 10.
Nfxd4 a6 11. Bg5 Bd6 12. h3 Ne4 13. Be3 O-O 14. c3 f5 15. Nc2 Qf7 16. f3 Ng3
17. Re1 f4 18. Bf2 Nxe2+ 19. Rxe2 Ne5 20. Nb4 Bxb4 21. cxb4 Nc6 22. Qd2 Bf5 23.
Qxf4 {Blanco Ronquillo,H (2442)-Gutkin,I (2245) chess.com INT 2023 1-0}) 9. Nb3
Nf6 $146 ({RR} 9... g6 10. Nbxd4 Bg7 11. Bb5 Qd7 12. Re1 Nge7 13. Qe2 a6 14.
Bxc6 Nxc6 15. Nxe6 fxe6 16. Qxe6+ Qxe6 17. Rxe6+ Kd7 18. Re2 Rae8 19. Kf1 Rxe2
20. Kxe2 Re8+ 21. Kd1 Nd4 22. Nxd4 Bxd4 23. f3 Be3 24. Bxe3 {Umarbekov,A (2234)
-Isakjanov,K (1948) Bishkek 2013 1-0 (48)}) 10. Nbxd4 g6 11. Re1 Bg7 12. Nxe6
fxe6 13. Bd3 O-O 14. c3 Qd7 15. Bb5 a6 16. Ba4 b5 17. Bb3 Rae8 18. a4 b4 19.
Bd2 a5 20. cxb4 Ne4 21. Bc1 Nxb4 22. Rxe4 Rf5 23. Re2 e5 24. Bc2 Nxc2 25. Qxc2
e4 26. Nd2 Bd4 27. Nb3 Rc8 28. Qd2 Bxf2+ 29. Rxf2 Qa7 30. Qe3 Rxc1+ 31. Qxc1
Qxf2+ 32. Kh1 e3 33. Qe1 e2 34. Qxf2 Rxf2 35. Kg1 e1=Q+ 36. Rxe1 Rxb2 37. Nxa5
Ra2 38. h3 Rxa4 39. Nc6 Ra6 40. Ne7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Paludo, Nicolas"]
[Black "Romais, Rodrigo"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "46"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nc6 6. O-O Bg4 7. c3 Qd7 8. b4
({RR} 8. Na3 a6 9. Nc2 Nge7 10. Bg5 f6 11. Bh4 h5 12. Bg3 Bxg3 13. fxg3 O-O-O
14. Ne3 Be6 15. b4 Na7 16. a4 Kb8 17. Nd2 Nec8 18. Nb3 Bf7 19. Nc5 Qd6 20. Nf5
Qb6 21. Nxg7 h4 22. g4 h3 {Oblitas Guerrero,C (2415)-Rojas Keim,L (2390) Quito
1997 1-0}) 8... Nf6 ({RR} 8... O-O-O 9. a4 Nge7 10. a5 g5 11. b5 Nb8 12. b6
cxb6 13. axb6 a6 14. Be2 f6 15. Nbd2 Rdg8 16. c4 Rg6 17. Ba3 Rh6 18. Bxd6 Qxd6
19. Qc1 Nf5 20. cxd5+ Kd8 21. Ne5 fxe5 22. Bxg4 exd4 23. Qc7+ {Komut,K (1912)
-Bekiragaoglu,U (1822) Konya TUR 2019 1-0}) 9. Re1+ Be7 $146 ({RR} 9... Ne7 10.
Nbd2 O-O-O 11. Qc2 Rhe8 12. Ne5 Bxe5 13. dxe5 Nh5 14. Nb3 b6 15. Nd4 g6 16. Bg5
c6 17. f3 Be6 18. Qa4 Kb7 19. b5 c5 20. Nc6 Ra8 21. Bxe7 Rxe7 22. Nxe7 Qxe7 23.
c4 Qh4 24. Qa6+ {Gillen,A (2210)-Clarke,T (2225) Armagh 1994 1/2-1/2 (37)}) 10.
Bg5 O-O 11. Nbd2 Rfe8 12. Qc2 h6 13. Bh4 Nh5 14. Bxe7 Rxe7 15. b5 Rxe1+ 16.
Rxe1 Ne7 17. Qb1 Qd6 18. Ne5 Be6 19. g3 Nf6 20. a4 Rb8 21. f4 Bh3 22. Bf1 Bxf1
23. Kxf1 c5 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Panazzolo, Paulo"]
[Black "Braga, Marcelo Melem"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "65"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 e6 6. Nf3 Nc6 ({RR} 6... Bd6
7. O-O Ne7 8. Nc3 O-O 9. Qe2 h6 10. Rd1 Nbc6 11. Qe4 Nb4 12. Ne5 Bd7 13. a3
Nbd5 14. Bd3 f5 15. Qe2 Bxe5 16. Qxe5 Nc6 17. Qg3 Qf6 18. Nxd5 exd5 19. Bf4
Rae8 {1/2-1/2 (19) Fus,J (2417)-Druska,J (2496) Ledyard USA 2023}) ({RR} 6...
a6 7. O-O b5 8. Bd3 Bb7 9. Ne5 Qd5 10. Nf3 h6 11. Nc3 Qd8 12. Bf4 Bb4 13. Be4
Bxe4 14. Nxe4 Qd5 15. Qc2 Nd7 16. Rac1 Ngf6 17. Nxf6+ Nxf6 18. a3 Bd6 19. Bxd6
Qxd6 20. Qc6+ Qxc6 21. Rxc6 {Pinho,P (1311)-Braga,M (1476) ETEP Campus Jardim
Esplanada 2022 1/2-1/2}) 7. O-O h6 $146 ({RR} 7... Nge7 8. Nc3 g6 9. d5 exd5
10. Nxd5 Nxd5 11. Bxd5 Be7 12. Bh6 Nb4 13. Qd4 Rg8 14. Rad1 Nxd5 15. Qxd5 Qxd5
16. Rxd5 Be6 17. Re5 Bf6 18. Re2 g5 19. h4 gxh4 20. Kh2 O-O-O 21. Bf4 Rd7 22.
a3 {Spada,M (1617)-Carito,R (1697) Milan 2013 0-1 (50)}) 8. d5 Na5 9. dxe6 Qxd1
10. exf7+ Ke7 11. Rxd1 Nxc4 12. fxg8=Q Rxg8 13. Nc3 Bg4 14. Nd5+ Kf7 15. Ne3
Bxf3 16. gxf3 Ne5 17. f4 Nf3+ 18. Kg2 Nh4+ 19. Kf1 Ke6 20. Ng2 Nxg2 21. Kxg2
Bd6 22. Re1+ Kf5 23. Bd2 g5 24. fxg5 Bf4 25. Bxf4 Kxf4 26. Re3 Rxg5+ 27. Rg3
Rag8 28. Rc1 R8g7 29. Rc4+ Ke5 30. Rc5+ Kd4 31. Rcxg5 Rxg5 32. Rxg5 hxg5 33.
Kg3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Passos, Rafael Moreira"]
[Black "Boabaid, Jorge Alberto"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "85"]
[EventDate "2021.??.??"]

1. d4 {carev} Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. O-O Be7 7. Qc2 O-O
8. Nbd2 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qe2 c5 ({RR} 12... Qe7
13. Re1 Rd8) 13. Rd1 Qc7 ({RR} 13... cxd4 14. Nxd4 ({RR} 14. Rxd4 e5) 14... Qb6
) 14. b3 cxd4 15. Nxd4 a6 16. Bb2 $146 ({RR} 16. Bg5 Be5 ({RR} 16... Bc5) 17.
Rac1 h6 18. Nf3 hxg5 19. Qxe5 ({RR} 19. Nxe5 Nd7) 19... Qxe5 20. Nxe5 Rb8 21.
c5 Re8 22. Nc4 Nd5 23. Nd6 Re7 24. Bxd5 exd5 25. Nxc8 ({RR} 25. Rxd5 f6) 25...
Rxc8 26. Rxd5 f6 27. Rcd1 Kf7 ({RR} 27... Re2) 28. b4 Ke6 ({RR} 28... a5 29. b5
({RR} 29. bxa5 Ra8) 29... Rec7) 29. Rd8 ({RR} 29. a3 a5 30. Kg2 ({RR} 30. bxa5
Rc6)) 29... Rcc7 ({RR} 29... Rxd8 30. Rxd8 Rd7) 30. Re1+ Kf7 {Rangel,D (2210)
-Ferreira,J (1751) TTC R Conde de Bomfim 451 Sal 2021 [carev] 1-0 (35)}) 16...
e5 17. Nc2 Bg4 18. Bf3 Bxf3 19. Qxf3 Rae8 20. Ne3 e4 21. Qe2 Be5 22. Rab1 Bxb2
23. Rxb2 Qe5 24. Rbd2 h5 25. Nd5 Ng4 26. Ne3 Qg5 27. Nxg4 hxg4 28. Rd5 f5 29.
Qe3 Qh5 30. Rd7 Re6 31. Qd4 Rf7 32. Rxf7 Qxf7 33. Qd8+ Kh7 34. Rd7 Qg6 35. Re7
e3 36. fxe3 f4 37. Rxe6 Qb1+ 38. Kf2 Qc2+ 39. Ke1 f3 40. Qh4+ Kg8 41. Re8+ Kf7
42. Qe7+ Kg6 43. Qe4+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Pereira, Geanfrancesco"]
[Black "Souza, Rafael Cabral"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "69"]
[EventDate "2021.??.??"]

1. e4 c6 2. d4 d6 3. c4 g6 ({RR} 3... Nd7 4. Nc3 e5 5. d5 Be7 6. Be3 Ngf6 7. f3
a6 8. Bd3 O-O 9. Nge2 cxd5 10. cxd5 b5 11. b4 Nb6 12. a4 Nc4 13. Bxc4 bxc4 14.
O-O Nh5 15. b5 Bg5 16. Qd2 Bxe3+ 17. Qxe3 Qa5 18. Rfb1 {Ward,C (2505)-Webster,
A (2420) Wrexham 1998 1-0 (80)}) 4. Nc3 ({RR} 4. Nf3 Bg7 5. Be3 Nf6 6. Bd3 Qb6
7. Qd2 Ng4 8. Nc3 Nxe3 9. fxe3 O-O 10. O-O Nd7 11. Na4 Qd8 12. Rac1 Nf6 13. e5
Ng4 14. h3 Nh6 15. exd6 exd6 16. Nc3 Bf5 17. e4 Bd7 18. d5 cxd5 {Coban,H (1201)
-Duzme,A Antalya 2017 0-1}) 4... a6 5. a4 a5 $146 ({RR} 5... Bg7 6. Nf3 Qc7 7.
Bd3 Bg4 8. Be3 Nd7 9. h3 Bxf3 10. Qxf3 Qb6 11. Ne2 c5 12. e5 dxe5 13. dxc5 Nxc5
14. Bxc5 Qxc5 15. Qxb7 Rd8 16. Rd1 Nf6 17. b4 Qc8 18. Qxc8 Rxc8 19. c5 O-O 20.
Bxa6 {Decroix,P (2103)-Coraboeuf,A (1734) Montpellier 2009 1-0 (44)}) 6. Be3
Na6 7. h4 h5 8. Be2 Nb4 9. Nf3 Bg7 10. O-O Nh6 11. Qd2 Ng4 12. Bf4 O-O 13. Rad1
Qb6 14. Ne1 Re8 15. Bxg4 Bxg4 16. f3 Be6 17. b3 Na6 18. Nc2 Qxb3 19. Ne3 Qb6
20. Kh1 Nb4 21. g4 hxg4 22. fxg4 Rad8 23. Rg1 Bc8 24. Nf5 Bh8 25. Nh6+ Kg7 26.
Rdf1 Rf8 27. h5 Kh7 28. Be3 f6 29. hxg6+ Kxg6 30. Qh2 Kh7 31. Nf5+ Kg8 32. Qh6
Rf7 33. g5 Bg7 34. gxf6 Bxf5 35. Rxg7+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Pimentel, Lucas Santos"]
[Black "Franco Filho, Sinvaldo"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "95"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nbd7 4. O-O e5 5. d3 Bd6 6. Nc3 ({RR} 6. c4 c6 7.
cxd5 cxd5 8. e4 O-O 9. exd5 Nxd5 10. Re1 N5f6 11. Nc3 h6 12. d4 exd4 13. Nxd4
Nc5 14. Ndb5 Bb8 15. Be3 Ne6 16. Qb3 a6 17. Rad1 Qe7 18. Nd4 Be5 19. Nf5 Qe8
20. Bxh6 Nc5 {Grischuk,A (2777)-Caruana,F (2842) chess.com INT 2020 1-0 (49)})
6... O-O 7. Bd2 $146 ({RR} 7. e4 dxe4 8. dxe4 Nc5 9. Nh4 Re8 10. Nf5 Bxf5 11.
exf5 e4 12. Be3 Qe7 13. Qe2 Be5 14. Qc4 b6 15. Bxc5 Qxc5 16. Qxc5 bxc5 17. Nxe4
Nxe4 18. Bxe4 Rab8 19. Bc6 Red8 20. Rad1 Bxb2 21. Rxd8+ Rxd8 {Kanmazalp,O 
(2445)-Kravtsiv,M (2657) Kocaeli 2017 1/2-1/2 (42)}) ({RR} 7. e4 dxe4 8. Nxe4
Nxe4 9. dxe4 Nc5 10. Qe2 Be6 11. Rd1 Qe8 12. Nh4 Rd8 13. Be3 a6 14. h3 Qb5 15.
Qxb5 axb5 16. b3 g6 17. Nf3 Nxe4 18. Bh6 Rfe8 19. Re1 f5 20. Ng5 Nxg5 21. Bxg5
Rb8 {Mortazavi,A (2333)-Idani,P (2633) chess.com INT 2023 0-1 (63)}) 7... c6 8.
e4 d4 9. Nb1 Qb6 10. b3 a5 11. a4 Qc7 12. Na3 b6 13. Nc4 Be7 14. Nh4 Re8 15. f4
Ba6 16. f5 Bxc4 17. bxc4 Reb8 18. g4 Nxe4 19. Bxe4 Bxh4 20. g5 f6 21. Qh5 Bxg5
22. Bxg5 fxg5 23. Qxg5 Nf6 24. Bf3 Ra7 25. Rf2 b5 26. Rg2 bxc4 27. Qxf6 Ra6 28.
Bd5+ Kh8 29. Qf7 Qxf7 30. Bxf7 cxd3 31. cxd3 Rb7 32. Be6 Rb4 33. Re2 g6 34.
Rxe5 gxf5 35. Bxf5 Ra7 36. Re8+ Kg7 37. Rc8 Kf6 38. Be4 Rg7+ 39. Kh1 Rg5 40.
Rxc6+ Ke7 41. Rg1 Rxg1+ 42. Kxg1 Rxa4 43. Ra6 h5 44. Rh6 Ra2 45. Rxh5 Kf6 46.
Bd5 Rd2 47. Bc4 a4 48. Ra5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Pinto, Pedro Jorge M"]
[Black "Avelar, Flavio Henrique"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "119"]
[EventDate "2021.??.??"]

1. Nf3 d5 2. d4 Nf6 3. g3 c5 4. Bg2 Nc6 5. O-O e6 6. c3 Be7 7. Nbd2 O-O 8. dxc5
Bxc5 9. b4 ({RR} 9. c4 Bb6 10. cxd5 exd5 11. Nb3 Re8 12. e3 Bf5 13. Nbd4 Be4
14. b3 Nb4 15. a3 Nd3 16. Ng5 Rc8 17. Bxe4 dxe4 18. Nxe4 Bxd4 19. exd4 Rxe4 20.
Qxd3 Rxd4 21. Qb5 Qd5 22. Qxd5 Nxd5 23. Re1 Rd3 {Potapov,A (2320)-Kunin,V 
(2538) Moscow 2008 1/2-1/2 (50)}) 9... Bd6 ({RR} 9... Be7 10. a3 b5 11. a4 bxa4
12. Qxa4 Bd7 13. b5 Nb8 14. c4 a6 15. Qb3 Qb6 16. cxd5 exd5 17. bxa6 Qxb3 18.
Nxb3 Rxa6 19. Be3 Rxa1 20. Rxa1 Nc6 21. h3 Ne4 22. Nfd2 Nxd2 23. Bxd2 Be6 24.
Rc1 {Tejedor Fuente,E (2390)-Wang,A (1821) chess.com INT 2023 1-0 (96)}) 10.
Qb3 $146 ({RR} 10. Bb2 e5 11. e4 Nxe4 12. Nxe4 dxe4 13. Ng5 Be7 14. Nxe4 Be6
15. Qe2 Qc7 16. h4 h6 17. Rfe1 Rfe8 18. Nd2 f6 19. Be4 Rad8 20. Nf1 Nb8 21. Ne3
Bf8 22. Bg6 Bf7 23. Be4 Nd7 24. Nd5 Qc8 {Zelenika,Z (2058)-Zecevic,D (2215)
Zagreb 2011 0-1 (41)}) 10... a6 11. Rd1 b5 12. e4 Qc7 13. exd5 Nxd5 14. a3 Bb7
15. c4 bxc4 16. Nxc4 Be7 17. Bb2 Bf6 18. Bxf6 Nxf6 19. Rac1 Rfd8 20. h3 Rxd1+
21. Qxd1 Rd8 22. Qe1 Qb8 23. Qe3 h6 24. Qb6 Nd7 25. Qe3 Nf6 26. Nb6 Ne7 27. Qc5
Ned5 28. Nd4 Nd7 29. Nxd7 Rxd7 30. Kh2 Rc7 31. Qd6 Rc8 32. Qxb8 Rxb8 33. Nc6
Re8 34. Na5 Ba8 35. Bf1 h5 36. Bxa6 f5 37. Nc4 Rd8 38. b5 Nc7 39. Nb6 Bf3 40.
Bb7 Nxb5 41. Bxf3 Nxa3 42. Bxh5 Rd2 43. Kg2 Kh7 44. Bf7 e5 45. Nc4 Nxc4 46.
Rxc4 e4 47. Kf1 g5 48. Rc6 Kg7 49. Bg6 Rd5 50. g4 f4 51. Bxe4 Rd4 52. Bf5 f3
53. Kg1 Rb4 54. Kh2 Rb3 55. Kg3 Rb4 56. Rg6+ Kh8 57. Be6 Kh7 58. Rxg5 Re4 59.
Bf5+ Kh8 60. Rh5+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Pironti, Francisco"]
[Black "Baeta, Marcio Netto"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 c5 7. d5 e6 8. Nc3
exd5 9. cxd5 c4 10. Nf3 Bg4 11. d6 Nc6 12. Nb5 Bxf3 13. Qxf3 Nxe5 14. Qe4 Bxd6
15. Bf4 Bb4+ $146 ({RR} 15... O-O 16. Nxd6 Qxd6 17. Bxe5 Qe6 18. O-O-O Rfe8 19.
Re1 f6 20. g4 fxe5 21. Re3 Rac8 22. Rh3 g6 23. Qxb7 Re7 24. Qe4 c3 25. b3 Qd6
26. Qc2 Qa3+ 27. Kb1 Nd5 28. Bd3 Nb4 {0-1 (28) Nicholas,K (2087)-Smart,M (2070)
Telford 2005}) 16. Kf2 Bc5+ 17. Kg3 Nbd7 18. Bxe5 Qg5+ 19. Kh3 Qh5+ 20. Kg3
Qg5+ 21. Kh3 Qh5+ 22. Kg3 O-O 23. Bf4 Nf6 24. Qf3 Qg6+ 25. Kh3 Ne4 26. g3 Qc6
27. Kg2 Qxb5 28. Qxe4 Qxb2+ 29. Be2 Rae8 30. Rab1 Qxe2+ 31. Qxe2 Rxe2+ 32. Kh3
Bd4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Pomar, Marcelo"]
[Black "Zanette, Edgard"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "59"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
b5 9. O-O Be6 10. a4 b4 11. Nd5 Bxd5 12. exd5 a5 $146 ({RR} 12... Nbd7 13. a5
O-O 14. h3 Nc5 15. Be3 Qc7 16. f4 exf4 17. Bxf4 Nfd7 18. Nd4 Bf6 19. Nc6 Bxb2
20. Rb1 Bc3 21. Kh2 Ne5 22. Bxe5 Bxe5 23. Rxb4 Qd7 24. Rh4 f5 25. Rc4 Rae8 26.
Qd2 g6 27. Nxe5 {Vovk,Y (2545)-Paunovic,T (2355) ICC INT 2009 1-0 (76)}) 13. c3
Na6 14. cxb4 Nxb4 15. Nc3 O-O 16. Be3 Qd7 17. h3 Qb7 18. Kh2 Nd7 19. f4 f5 20.
fxe5 Nxe5 21. Nb5 Rac8 22. Bd4 Rc2 23. Bc3 Ned3 24. Nd4 Rxg2+ 25. Kxg2 Nxd5 26.
Kh2 Ne5 27. Qb3 Qxb3 28. Nxb3 Ne3 29. Rf2 Bg5 30. Kh1 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Rocha, Jean Henrique"]
[Black "Serafim, Paulo Rogerio"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. c4 Nc6 5. O-O e5 6. Qa4 Bd6 7. cxd5 ({RR} 7.
d4 exd4 8. cxd5 Nxd5 9. Nxd4 cxd4 10. Bxd5 O-O 11. Bxc6 bxc6 12. Qxd4 Bh3 13.
Re1 Rb8 14. Nc3 Qe7 15. Bg5 Qe6 16. Bf4 Bxf4 17. Qxf4 Rxb2 18. Rad1 Qf5 19.
Qxf5 Bxf5 20. Rd6 Rc8 21. Rc1 Kf8 {Nepomniachtchi,I (2766)-Carlsen,M (2864)
Zagreb CRO 2022 0-1 (56)}) ({RR} 7. d4 exd4 8. cxd5 Nxd5 9. Nxd4 cxd4 10. Bxd5
Qd7 11. Rd1 Be5 12. Bg2 O-O 13. Nd2 Qe7 14. Ne4 Bg4 15. Bf3 Bxf3 16. exf3 h6
17. b3 a5 18. Ba3 Nb4 19. Qb5 Rfc8 20. Rac1 Rc6 21. Rxc6 bxc6 {Artemiev,V 
(2701)-Grischuk,A (2745) chess.com INT 2023 1/2-1/2 (37)}) 7... Nxd5 8. Nc3 Nf6
$146 ({RR} 8... Nb6 9. Qd1 O-O 10. d3 f5 11. Bg5 Qe8 12. Nb5 Bb8 13. Qc1 f4 14.
Qxc5 h6 15. Bh4 g5 16. Nxg5 hxg5 17. Bxg5 Bg4 18. Bxf4 Bxe2 19. Rfe1 Bxd3 20.
Bd5+ Nxd5 21. Qxd5+ Qf7 22. Qxd3 exf4 23. gxf4 {Vladimirov,Y (2580)-Yudasin,L 
(2625) Tilburg 1994 0-1 (35)}) 9. d3 O-O 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd5 Qd8
13. Rac1 Nd4 14. Nxd4 exd4 15. e3 Bd7 16. Qa3 Bc6 17. exd4 c4 18. Qc3 cxd3 19.
Qxd3 Bxg3 20. hxg3 Bxd5 21. Bxd5 Qxd5 22. a3 Rac8 23. Rfe1 Rfd8 24. Rcd1 Rc4
25. Re4 Kf8 26. b3 Rc7 27. Rde1 g6 28. Re5 Qxd4 29. Re8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Rocha, Matheus Eugenio"]
[Black "Peres, Wallafe"]
[Result "0-1"]
[ECO "A90"]
[PlyCount "130"]
[EventDate "2021.??.??"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Qe7 6. a3 Bxd2+ 7. Qxd2 ({RR} 7.
Nxd2 O-O 8. Qb3 a5 9. Bxb7 a4 10. Qf3 Bxb7 11. Qxb7 Nc6 12. Qxc7 Nxd4 13. Rc1
Rab8 14. Qe5 Nc6 15. Qc3 Ne4 16. Nxe4 fxe4 17. Nh3 Rb3 18. Qc2 e3 19. fxe3 Rxe3
20. Qd2 Qc5 21. Rf1 Nd4 {Reilly,T (2350)-Johansen,D (2510) Melbourne 1995 0-1 
(37)}) 7... O-O ({RR} 7... d6 8. Nc3 O-O 9. Nf3 Nbd7 10. O-O Ne4 11. Nxe4 fxe4
12. Ng5 d5 13. f3 h6 14. Nh3 exf3 15. exf3 Nb6 16. c5 Nc4 17. Qe2 Qf6 18. Rad1
Bd7 19. Rfe1 Rae8 20. Qc2 e5 21. b3 Nxa3 22. Qb2 {Davtyan,D (2329)-Gonzalvez
Tamarit,R (2022) Benidorm ESP 2022 1-0 (53)}) 8. Nc3 Qf7 $146 ({RR} 8... d6 9.
Nh3 c6 10. O-O e5 11. d5 c5 12. e4 f4 13. gxf4 Nh5 14. f5 h6 15. Kh1 Kh7 16.
Rg1 a6 17. Bf3 Qh4 18. Bxh5 Qxh5 19. Qe3 Nd7 20. Rg3 Nf6 21. Rag1 Ne8 22. Ng5+
hxg5 23. Rh3 {Jokic,M (2087)-Jovanovic,A (2211) Valjevo 2010 1-0 (50)}) 9. Nf3
Ne4 10. Nxe4 fxe4 11. Nh4 d5 12. O-O c6 13. f3 exf3 14. Nxf3 Qe7 15. Qc2 Nd7
16. e4 dxc4 17. Qxc4 Nb6 18. Qe2 Bd7 19. Ne5 Rf6 20. Rf3 Rxf3 21. Nxf3 Rf8 22.
Rf1 Be8 23. Ne5 Rxf1+ 24. Bxf1 Qd6 25. Qf2 c5 26. Nf3 c4 27. Ne5 c3 28. bxc3
Qxa3 29. Qf3 Qe7 30. Bh3 Nd7 31. Nc4 b5 32. Nd2 a5 33. e5 Nb6 34. Ne4 Bc6 35.
Nf6+ gxf6 36. Qxc6 Na4 37. Bxe6+ Kg7 38. exf6+ Qxf6 39. Qc7+ Kh6 40. Bb3 Nb6
41. Qf4+ Qxf4 42. gxf4 a4 43. Be6 Nc4 44. Bf5 Nd2 45. Bd3 Nc4 46. Bf5 a3 47.
Bb1 Nb2 48. Kf2 Na4 49. d5 Kg7 50. Ba2 Nxc3 51. Bb3 a2 52. Bxa2 Nxa2 53. Ke3
Kf6 54. Kd4 Ke7 55. f5 b4 56. Kc4 Nc3 57. Kxb4 Nxd5+ 58. Kc5 Ne3 59. Kd4 Nxf5+
60. Ke4 Kf6 61. Kf4 h5 62. h3 Kg6 63. Kf3 Kg5 64. Kg2 Kh4 65. Kh2 Ne3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Rodrigues, Julliano"]
[Black "Vargas, Roberto Carlos"]
[Result "0-1"]
[ECO "B36"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. O-O O-O 10. f3 ({RR} 10. Rb1 a6 11. Qe3 Ng4 12. Qg3 Nf6 13. Rd1 Qc7
14. Be3 Be6 15. c5 Ne8 16. Nd5 Bxd5 17. exd5 dxc5 18. Qxc7 Nxc7 19. Bxc5 Bf6
20. d6 Ne6 21. Bb6 exd6 22. Rxd6 Rac8 23. Bf3 Rc2 24. Bxb7 Rb8 {Krasenkow,M 
(2604)-Cyborowski,L (2560) Warsaw 2012 1-0 (68)}) 10... Be6 11. Be3 $146 ({RR} 
11. Bd2 Ng4 12. Qd3 Ne5 13. Qe3 Bxc4 14. Rac1 Nc6 15. Bxc4 Bd4 16. Qxd4 Nxd4
17. Be3 Nc6 18. a3 Qa5 19. Rfd1 Rfc8 20. Rd5 Qd8 21. Ba2 Qf8 22. f4 b6 23. b4
Rab8 24. Rd3 Nd8 25. Bb3 Rc7 {Naff,W-Ciaffone,R (2230) Chicago 1997 0-1 (45)})
({RR} 11. Qd2 a5 12. a4 Qc7 13. Nd5 Bxd5 14. exd5 Nd7 15. Kh1 Nb6 16. Qd3 Rac8
17. Bg5 Qxc4 18. Qxc4 Nxc4 19. Bxc4 Rxc4 20. Bxe7 Re8 21. Bxd6 Rd8 22. b3 Rc2
23. Be7 Rxd5 24. Rad1 Rdd2 25. Rxd2 Rxd2 {Wagh,S (2246)-Quinonez Garcia,S 
(2240) chess.com INT 2021 0-1 (60)}) 11... Nd5 12. Qd2 Nxc3 13. bxc3 Qa5 14.
Bd4 Bxd4+ 15. Qxd4 Rac8 16. Rab1 Qa6 17. Rb5 Qc6 18. Rfb1 b6 19. R1b4 Rc7 20.
a4 Rfc8 21. Kf2 Qa8 22. a5 bxa5 23. Rxa5 Rc5 24. Rba4 R8c7 25. Ke3 Bd7 26. Ra3
0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Rosa, Diego"]
[Black "Silva, Joao Fernandes"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "53"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 a6 7. Ba4 b5 8.
Bb3 Bb7 9. Bg5 h6 10. Bh4 Rg8 $146 ({RR} 10... Rh7 11. f4 g5 12. fxg5 Bg7 13.
e5 d6 14. gxh6 Bxe5 15. Qd3 f5 16. Nc3 Rxh6 17. Bg5 Rxh2 18. Rxh2 Bxh2 19. Nd5
Bxd5 20. Bxd5 c6 21. Bxc6+ Kf8 22. Bxa8 Qxa8 23. O-O-O Qxg2 24. Bh6+ Kf7 25.
Qb3+ {Edakina,M-Pedersen,J Tromsoe 2006 1/2-1/2 (69)}) 11. Nc3 g5 12. Bg3 Nc6
13. Qd1 Bg7 14. Qh5 Bxc3+ 15. bxc3 Qe7 16. O-O O-O-O 17. Bxf7 Rg7 18. Bd5 Rh7
19. Rfb1 Na5 20. a4 c6 21. axb5 cxb5 22. Rxa5 Bxd5 23. exd5 Kb7 24. Qg6 d6 25.
c4 Kb6 26. Raa1 Ra8 27. cxb5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Santos, Clecio Franca"]
[Black "Silva, Erick"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "57"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. O-O
a6 ({RR} 8... Bb6 9. Nbd2 Na5 10. Qc2 f6 11. a4 Nh6 12. Ba3 Nf7 13. Bd5 Qe7 14.
Bb4 c6 15. Ba2 O-O 16. Nh4 g6 17. Kh1 Be6 18. d5 Bd7 19. c4 Rac8 20. Rae1 Qd8
21. Qd3 Bd4 22. Ndf3 c5 23. Bd2 {Short,N (2706)-Filippov,A (2595) Kolkata 2009
0-1 (43)}) ({RR} 8... exd4 9. cxd4 Nf6 10. e5 dxe5 11. Nxe5 Nxe5 12. dxe5 Ne4
13. Rd1 Qf5 14. Bxf7+ Ke7 15. Ba3+ c5 16. f3 Qxf7 {1/2-1/2 (16) Planas Torrea,
F (2032)-Malo Guillen,J (2167) Aragon 2015}) 9. Rd1 $146 ({RR} 9. dxe5 Bb6 10.
a4 Na5 11. Qa2 Nxc4 12. Qxc4 dxe5 13. a5 Ba7 14. Nxe5 Qe6 15. Qxe6+ Bxe6 16.
Ba3 Nf6 17. Nd2 O-O-O 18. Nef3 Rd3 19. e5 Nd5 20. c4 Nf4 21. Rfe1 Rhd8 22. Re4
Ng6 23. Re2 Rc3 {Ramakrishna,G (1749)-Fell,L (1872) Canberra 2002 0-1 (51)})
9... exd4 10. cxd4 Bb6 11. Qc2 Qe7 12. e5 Bg4 13. exd6 Qxd6 14. Ba3 Qd7 15.
Re1+ Kd8 16. Ne5 Nxe5 17. dxe5 Kc8 18. Nc3 c6 19. Ne4 Kb8 20. Rab1 Ka7 21. Bc5
Bxc5 22. Nxc5 Qc7 23. Rxb7+ Qxb7 24. Nxb7 Kxb7 25. Rb1+ Kc7 26. Qd2 Bd7 27.
Qd6+ Kc8 28. Bxa6+ Kd8 29. Rb7 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Santos, Jarlison"]
[Black "Cilento, Lucas"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2
g6 9. d4 cxd3 10. Bxd3 Bg7 11. Bf4 Nd5 12. Bg3 e6 13. O-O $146 ({RR} 13. Nbd2
O-O 14. O-O b6 15. Rad1 Bb7 16. c4 Ndb4 17. Bb1 a5 18. Ne4 Rfd8 19. Bh4 Nxe5
20. Bxd8 Nxf3+ 21. Qxf3 Rxd8 22. Qe2 d5 23. a3 Na6 24. cxd5 exd5 25. Ng3 Nc5
26. Rc1 Qf4 27. Rfd1 h5 {Dos Santos,G (1865)-Da Cunha,F (2077) Niteroi BRA
2023 0-1 (52)}) 13... b6 14. Na3 O-O 15. Nb5 Qb8 16. Nd6 Nd8 17. Ba6 Bxa6 18.
Qxa6 Nc7 19. Qd3 Nb7 20. Nxb7 Qxb7 21. Qxd7 Rad8 22. Qa4 Rd5 23. Rfd1 Rfd8 24.
Rxd5 Qxd5 25. h3 a5 26. Qd4 Qxd4 27. Nxd4 Rd5 28. f4 g5 29. Re1 gxf4 30. Bxf4
Na6 31. Nf3 Nc5 32. Re2 Nd3 33. Bg3 Nc1 34. Rd2 Rxd2 35. Nxd2 Nxa2 36. Nc4 a4
37. Nxb6 a3 38. bxa3 Nxc3 39. a4 Ne2+ 40. Kf2 Nxg3 41. Kxg3 Bxe5+ 42. Kf3 Bc3
43. Nc4 f5 44. a5 e5 45. a6 e4+ 46. Ke3 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Santos, Marcus Vinicius"]
[Black "Silva, Kaua Marques"]
[Result "1/2-1/2"]
[ECO "E25"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8.
dxc5 Qa5 9. e4 Ne7 10. Be3 O-O 11. Qb3 Nec6 12. Bb5 ({RR} 12. a4 e5 13. Qa3 Be6
14. Ne2 Nd7 15. Rb1 Qc7 16. Ng3 Rfc8 17. Nf5 Bxf5 18. exf5 Ne7 19. c6 Nxc6 20.
Bb5 Nf6 21. Bd3 Ne7 22. c4 Qd7 23. O-O Nxf5 24. Bxf5 Qxf5 25. Rxb7 Rxc4 26.
Bxa7 h5 {Kobalia,M (2590)-Cao,S (2488) Ohrid 2001 1/2-1/2 (47)}) 12... Qc7 ({RR
} 12... e5 13. Ne2 Be6 14. Qb2 Qc7 15. Nd4 exd4 16. cxd4 Bd7 17. O-O Na6 18. d5
Na5 19. c6 Nxc6 20. dxc6 Bxc6 21. Rac1 Nb8 22. Bd4 f6 23. Rfd1 a6 24. Bc4+ Kh8
25. e5 Nd7 26. e6 Ne5 27. Be2 {Tsvetkov,A (2404)-Silva,K (2160) Tornelo INT
2021 1-0 (65)}) 13. Ne2 e5 14. Kf2 $146 ({RR} 14. O-O Na5 15. Qb4 Be6 16. Rad1
Nbc6 17. Qb2 Nc4 18. Bxc4 Bxc4 19. Rfe1 Na5 20. Ng3 Nb3 21. Qf2 Be6 22. Nf5
Bxf5 23. exf5 Rfd8 24. Rb1 Na5 25. f6 gxf6 26. f4 Qe7 27. Bd4 Nc6 28. fxe5 fxe5
{Sipila,V (2383)-Sammalvuo,T (2435) Helsinki FIN 2018 1/2-1/2 (55)}) 14... Na5
15. Qb4 Na6 16. Bxa6 bxa6 17. Rab1 Be6 18. c4 Rab8 19. Qc3 Nb7 20. Qb4 Na5 21.
Qc3 Nb7 22. Qb4 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Sega, Carlos Alberto"]
[Black "Nascimento, Christian"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "81"]
[EventDate "2021.??.??"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c5 5. cxd5 exd5 6. d4 Nc6 7. O-O Bf5 8. Nc3
c4 9. Bg5 Be7 10. Ne5 ({RR} 10. Re1 O-O 11. Nh4 Be6 12. Nf3 a6 13. a4 Ne4 14.
Bf4 Nxc3 15. bxc3 b5 16. axb5 axb5 17. Ne5 Nxe5 18. dxe5 b4 19. e4 Rxa1 20.
Qxa1 dxe4 21. Bxe4 b3 22. Qb1 h6 23. Be3 Qa5 24. f4 Qxc3 {Shafigullina,Z (2245)
-Stachowiak,K (2470) chess.com INT 2021 1-0 (37)}) 10... O-O 11. Bxf6 Bxf6 12.
Nxd5 $146 ({RR} 12. f4 Bxe5 13. fxe5 Be6 14. e3 Rb8 15. Kh1 Qa5 16. a3 Rfd8 17.
Qh5 b5 18. Bh3 Bxh3 19. Qxh3 Qc7 20. Ne2 b4 21. Nf4 bxa3 22. bxa3 Rb3 23. Nh5
Qd7 24. Qh4 Qe6 25. Nxg7 Kxg7 26. Rf6 Qe8 {Lehner,O (2250)-Wirius,J (2305)
Austria 1995 1-0 (32)}) 12... Nxe5 13. dxe5 Bxe5 14. e4 Be6 15. Qe2 b5 16. Rfd1
Re8 17. f4 Bxd5 18. Qf2 Bc7 19. Kh1 Bb6 20. Qc2 Qe7 21. Rxd5 a6 22. Rad1 Rad8
23. e5 g6 24. Rd6 Rxd6 25. Rxd6 Qxd6 26. exd6 Re1+ 27. Bf1 Rxf1+ 28. Kg2 Rf2+
29. Qxf2 Bxf2 30. Kxf2 Kf8 31. Ke3 Ke8 32. Kd4 Kd8 33. a3 f5 34. Kd5 Kd7 35.
Kc5 h6 36. h4 h5 37. Kd5 a5 38. Kc5 b4 39. axb4 c3 40. bxc3 a4 41. Kc4 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Silva, Afranio Marcio"]
[Black "Paniago, Lucio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "64"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. g3 ({RR} 6. h4 Qb6 7. Bd3
Bd7 8. O-O cxd4 9. Re1 dxc3 10. bxc3 Nf5 11. Nbd2 Bc5 12. Qe2 Ng3 13. Qd1 Bxf2+
14. Kh2 Bxe1 15. Qxe1 Nf5 16. Bxf5 exf5 17. Ba3 h6 18. Bd6 Qd8 19. c4 d4 20. c5
Be6 {Freitag,M (2357)-Vakhlamov,I (2413) chess.com INT 2022 0-1 (52)}) 6... Bd7
$146 ({RR} 6... cxd4 7. cxd4 Nf5 8. Bg2 Be7 9. O-O O-O 10. Re1 Qb6 11. Be3 Qxb2
12. Nbd2 Qb6 13. Nb3 Bb4 14. Rf1 Nxe3 15. fxe3 Qd8 16. Qd3 f6 17. Rf2 fxe5 18.
dxe5 Qc7 19. Raf1 Nxe5 20. Nxe5 Rxf2 21. Rxf2 {Peli,N-Klement,B Miskolc 2008
1-0}) 7. Bg2 cxd4 8. cxd4 Qb6 9. b3 Rc8 10. O-O Nb4 11. a3 Na6 12. Ra2 Nc7 13.
a4 Nc6 14. Ba3 Bb4 15. Qd3 Bxa3 16. Rxa3 Nb4 17. Qd2 Nca6 18. Nc3 O-O 19. Rc1
Qa5 20. Raa1 Nb8 21. Bf1 a6 22. h4 N8c6 23. h5 h6 24. g4 Qd8 25. g5 hxg5 26.
Nxg5 f6 27. Nf3 Qe8 28. Bg2 Qxh5 29. Kf1 fxe5 30. dxe5 Nxe5 31. Nxe5 Qxe5 32.
Qe3 Qxe3 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Silva, Alex Castro"]
[Black "Franca Jr, Jairo"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "43"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Qc7 8. O-O
Be7 9. f4 b5 10. f5 b4 11. fxe6 bxc3 ({RR} 11... fxe6 12. Na4 d5 13. exd5 exd5
14. Bxd5 Ra7 15. Bf4 Bd6 16. Re1+ Kf8 17. Bxd6+ Qxd6 18. Ne6+ Bxe6 19. Rxe6 Qd8
20. Bb3 Rd7 21. Qf3 h5 22. Rae1 Rh6 23. Nc5 Rd6 24. Rxd6 Qxd6 25. Ne6+ Kg8 26.
Ng5+ {Golubev,M (2461)-Lalanne,P (2208) chess.com INT 2023 1-0}) 12. exf7+ Kf8
13. Bg5 cxb2 $146 ({RR} 13... Ng4 14. Bf4 cxb2 15. Rb1 Nc6 16. Bd5 Nxd4 17.
Bxa8 Qa7 18. Kh1 Nb5 19. Qd2 Qxa8 20. c4 Na7 21. Bxd6 Nc6 22. Bxe7+ Kxe7 23.
Qg5+ Kf8 24. Qc5+ Ne7 25. Qc7 Nf6 26. e5 Qc6 27. Qd8+ Kxf7 28. Qxh8 {Fischer,
R-Blackstone,J Davis 1964 1-0 (38)}) 14. Rb1 Nc6 15. Bxf6 Bxf6 16. Rxf6 Nxd4
17. Qxd4 gxf6 18. Qxf6 Qc5+ 19. Kh1 Qe5 20. Qd8+ Kg7 21. Qxh8+ Kg6 22. Qxe5 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Silva, Guilherme H"]
[Black "Andrade, Guilherme Souza"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "119"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 Nf6 8.
Nc3 e6 9. O-O Be7 10. b3 O-O 11. Bb2 Bc6 12. Rfe1 ({RR} 12. Qd3 b6 13. Rad1 b5
14. cxb5 axb5 15. Nd4 Qb6 16. Nxc6 Qxc6 17. Nxb5 Qxe4 18. a4 d5 19. Qxe4 Nxe4
20. f3 Bc5+ 21. Bd4 Bxd4+ 22. Nxd4 Nc3 23. Rc1 Rfc8 24. Rfe1 Rc5 25. Kf1 Rac8
26. Ra1 Kf8 {Chandler,M (2545)-Bologan,V (2600) Germany 1994 1-0 (37)}) ({RR} 
12. a4 Qa5 13. Rfe1 Rfe8 14. Ba3 Rad8 15. b4 Qc7 16. b5 Bd7 17. h3 Bc8 18. Rad1
{1/2-1/2 (18) Burrows,B (2284)-Matikozian,A (2370) Las Vegas USA 2023}) 12...
Re8 13. Rad1 $146 ({RR} 13. a4 b6 14. Rad1 Nd7 15. Nb5 e5 {0-1 (15) Markovic,
M-Danailov,S (2460) Vienna 1990}) 13... Qa5 14. a3 Qc5 15. Qxc5 dxc5 16. Ne5
Red8 17. Nxc6 bxc6 18. e5 Nd7 19. Rd3 Nf8 20. Red1 Rxd3 21. Rxd3 Rd8 22. Rxd8
Bxd8 23. Ne4 Be7 24. Kf1 Nd7 25. Ke2 Kf8 26. Kd3 Ke8 27. f3 Kd8 28. Bc3 Kc8 29.
Nf2 Bg5 30. Ne4 Be7 31. f4 Nf8 32. Nf2 Nd7 33. Ke4 Nf8 34. Nd3 Kb7 35. g4 g6
36. Bd2 Kb6 37. Be3 Nd7 38. f5 exf5+ 39. gxf5 Kc7 40. h3 Kd8 41. e6 gxf5+ 42.
Kxf5 fxe6+ 43. Kxe6 Nf8+ 44. Kf7 Nd7 45. Kg7 Nf8 46. Kh6 Ne6 47. Kxh7 Kd7 48.
Kg6 Kd6 49. Kf5 Ng7+ 50. Ke4 Ne6 51. Bf4+ Kd7 52. Ne5+ Kd6 53. Ng6+ Kd7 54.
Nxe7 Kxe7 55. Be3 Kf6 56. h4 Kf7 57. Ke5 Ke7 58. h5 Kf7 59. Kd6 Ng7 60. Kxc5
1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Soares, Renan"]
[Black "Nunes Jr, Sidney"]
[Result "1-0"]
[ECO "E16"]
[PlyCount "93"]
[EventDate "2021.??.??"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Bg5
Be7 9. Nc3 d6 ({RR} 9... h6 10. Bxf6 Bxf6 11. e4 d6 12. e5 dxe5 13. dxe5 Be7
14. Qe2 Qc8 15. Rfd1 a4 16. Nd4 Bxg2 17. Kxg2 Qb7+ 18. Qe4 Qxe4+ 19. Nxe4 Rd8
20. f4 Kf8 21. h4 c6 22. Kf3 Ra7 23. Ke2 Rad7 24. Nf3 {Muzychuk,A (2549)-Hou,Y
(2671) Monaco 2015 1/2-1/2 (44)}) 10. Qc2 Nbd7 11. Rad1 ({RR} 11. e4 e5 12.
Rfe1 h6 13. Be3 Ng4 14. Bd2 exd4 15. Nxd4 Bf6 16. Nf5 Nge5 17. Nd5 Bxd5 18.
cxd5 Nc5 19. f4 Ned3 20. Reb1 Nb4 21. Qc4 Nbd3 22. Bf1 Nxb2 23. Qe2 Nba4 24. e5
dxe5 25. fxe5 Bg5 {Nikologorskiy,K (2413)-Dinu,D (2203) chess.com INT 2023 1-0
(45)}) 11... h6 12. Bxf6 $146 ({RR} 12. Bc1 d5 13. Ne5 Bb4 14. cxd5 exd5 15.
Nb5 Rc8 16. Na7 Ra8 17. Nac6 Bxc6 18. Nxc6 Qc8 19. a3 Bd6 20. Bf4 Qb7 21. Bxd6
cxd6 22. Rc1 Rfe8 23. e3 Rac8 24. Ne7+ Kf8 25. Nxc8 {1-0 (25) Baragar,F (2255)
-Lauritson,J (1867) Winnipeg 2006}) 12... Bxf6 13. Ng5 Bxg5 14. Bxb7 Rb8 15.
Bg2 f5 16. f4 Bf6 17. e4 fxe4 18. Qxe4 Re8 19. Bh3 Nf8 20. Rfe1 Re7 21. Nb5 d5
22. cxd5 exd5 23. Qc2 Qe8 24. Rxe7 Qxe7 25. Nxc7 Bxd4+ 26. Rxd4 Qe3+ 27. Qf2
Qc1+ 28. Bf1 Qxc7 29. Rxd5 Ne6 30. Qd2 Nc5 31. Qd4 Re8 32. Bc4 Kh7 33. a3 a4
34. Bb5 Re7 35. Bc4 Re1+ 36. Kf2 Re8 37. Bd3+ Kh8 38. Bg6 Rf8 39. Bb1 Kg8 40.
Ba2 Kh8 41. Bb1 Qc6 42. Rd6 Qc8 43. Rxh6+ Kg8 44. Bh7+ Kf7 45. Bg6+ Kg8 46.
Qd5+ Ne6 47. Rh8+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Supi, Luis Paulo"]
[Black "Cunha, Lucas Aguiar"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "75"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 Nc6 7. Be3 cxd4 8.
Nb5 Qd8 9. Nbxd4 Nxd4 10. Bxd4 Be7 11. Bd3 Qc7 12. Qe2 a6 13. O-O O-O 14. Rad1
Rd8 15. Be5 ({RR} 15. Ng5 h6 16. Be5 Qc6 17. Bxf6 Bxf6 18. Bh7+ Kf8 19. Be4 Qb5
20. Nh7+ Ke7 21. Qe3 Bd7 22. c4 Qa5 23. Nxf6 gxf6 24. Qxh6 Qe5 25. Qe3 f5 26.
Qa3+ Kf6 27. Bxb7 Rab8 28. f4 Qc7 29. Qg3 Ke7 {Trbojevic,M (2370)-Rezan,S 
(2404) Mali Losinj CRO 2021 1-0 (37)}) 15... Qb6 16. Ng5 $146 h6 17. Ne4 Nd7
18. Bg3 Nf8 19. b3 Qa5 20. b4 Qb6 21. Nd2 Bd7 22. Nc4 Qa7 23. Bc7 Rdc8 24. Bb6
Qb8 25. Bd4 Bd8 26. Ne5 Be8 27. f4 f6 28. Ng4 f5 29. Ne5 b5 30. Qf2 a5 31. a3
axb4 32. axb4 Nh7 33. Qb2 Nf6 34. Qb3 Kh7 35. Qxe6 g6 36. Nd7 Rc6 37. Nf8+ Kg7
38. Qxe8 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Teske, Luiz Fernando"]
[Black "Dobuchak, Thiago"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "94"]
[EventDate "2021.??.??"]

1. e4 {Vachier Lagrave,M} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3
e5 7. Nde2 h5 8. g3 ({RR} 8. Bg5 Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Nec3 g6 12.
Bc4 Bh6 13. O-O O-O 14. Bb3 ({RR} 14. a4 Nc6 15. Qd3 Rc8 16. Bb3 Nd4) 14... Nc6
15. Qd3 Rc8 16. Rad1 Nd4 17. Ne2 Nxb3 18. Qxb3 b5 19. a4 Rb8) 8... Be6 ({RR} 
8... Be7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Ra7 12. Be3 Be6 13. Qd2 Rb7 14. Nc3
Nd7 15. Nd5) ({RR} 8... b5 9. Nd5 Nbd7 10. Bg5 Bb7 11. Nec3 Be7 12. Nxe7 Qxe7
13. Bg2) 9. Bg2 Nbd7 10. O-O Be7 11. Be3 Rc8 12. a4 Nb6 13. b3 ({RR} 13. Bg5
Nh7 ({RR} 13... Qd7 14. a5 Na8 15. h4) 14. Bxe7 Qxe7 15. a5 Nd7 16. f4 h4 17.
b3 Ndf6 18. f5 Bd7) 13... d5 14. Bxb6 ({RR} 14. a5 d4 15. Nxd4 exd4 16. Bxd4
Bc5) 14... Qxb6 15. exd5 ({RR} 15. Nxd5 Nxd5 16. exd5 Bd7 17. c4 Qd6 ({RR} 
17... Bc5 18. d6) ({RR} 17... Bb4 18. Nc1) 18. a5 ({RR} 18. h4 g5 19. hxg5 Bxg5
) ({RR} 18. f4 e4 ({RR} 18... h4 19. f5 b5) ({RR} 18... exf4 19. Nxf4 h4 20. g4
O-O 21. Nd3 b6) 19. Nd4 ({RR} 19. f5 Qe5) 19... f5) ({RR} 18. Nc3 f5 19. Re1 h4
20. g4 g6 21. Qe2 Bf6) 18... f5 ({RR} 18... h4 19. g4) 19. Qd3 h4 20. g4 O-O ({
RR} 20... fxg4 21. Nc3 O-O 22. Kh1) 21. Nc3 ({RR} 21. gxf5 Bxf5 22. Qe3 ({RR} 
22. Qd2 Qg6 23. Kh1 Be4 24. f3 Bg5) 22... Qg6 23. Kh1 ({RR} 23. Qxe5 Bxh3)
23... Bc5 24. Qd2 Bd3 25. Rad1 Bc2 26. Rc1 Bd3) 21... e4 22. Qe3 Bd8 23. Bxe4 (
{RR} 23. f4 exf3 24. Rxf3 Bc7 25. g5 Rfe8 26. Qf2 Qh2+ 27. Kf1 Bd6) ({RR} 23.
gxf5 Bc7 24. Rfe1 Qh2+ 25. Kf1 Bf4 26. Qxe4 Bxf5 27. Qf3 Bg3) 23... fxe4 ({RR} 
23... Bc7 24. f4 fxe4 25. Nxe4 ({RR} 25. c5 Qh6 26. d6 Bd8) 25... Rce8) 24.
Nxe4 Qf4 25. Qxf4 Rxf4 26. f3 Be7 27. Kf2 ({RR} 27. Kg2 Bb4 28. Ra2 Rcf8 29.
Rff2 Kh7 30. Rfe2 Kh6 31. Re3 Be8) 27... Rcf8 28. Ke3 Be8 29. c5 Bb5 {Caruana,
F (2820)-Vachier Lagrave,M (2757) Wijk aan Zee 2015 CBM 165 [Vachier Lagrave,M]
0-1 (35)}) 15... Bf5 $146 ({RR} 15... Bd7 16. Kh2 Qd6 17. Qd3 Bd8 18. Ne4 Nxe4
19. Bxe4 g6 20. c4 f5 21. Bg2 h4 22. f4 hxg3+ 23. Qxg3 Bh4 24. Qe3 Bf6 25. Rae1
Kd8 26. Kh1 g5 27. fxg5 f4 28. Qc3 Bxg5 29. Ng1 Bf6 30. Qd3 {Putri,R (1863)
-Rios Escobar,A (2234) chess.com INT 2023 0-1 (45)}) 16. Rc1 ({RR} 16. a5 Qc7
17. Qd2 O-O) 16... Ba3 17. Rb1 Bb4 18. a5 Qxa5 19. Ra1 Qc5 20. Na4 Qxc2 21. d6
O-O 22. Bxb7 Rcd8 23. Qxc2 Bxc2 24. Bxa6 Rxd6 25. Bc4 Rd2 26. Nac3 Ne4 27. Nxe4
Bxe4 28. Ra4 Rb8 29. Ra7 Bd3 30. Bxd3 Rxd3 31. Rb1 Rd2 32. Nc1 Rd1+ 33. Kg2 Rc8
34. Ra4 Bd2 35. Rc4 Rxc4 36. bxc4 Rxc1 37. Rxc1 Bxc1 38. Kf3 f5 39. g4 hxg4+
40. hxg4 g6 41. c5 Kf7 42. gxf5 gxf5 43. Ke2 Ke6 44. c6 Kd6 45. c7 Kxc7 46. Kd3
Kd6 47. Kc4 e4 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Urquiza, Marcello"]
[Black "Federzoni, Enzo"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "136"]
[EventDate "2021.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nf6 6. Be2 e6 7. O-O Qc7 8. Nc3
Be7 9. b3 O-O 10. Bb2 Nbd7 11. Rac1 b6 12. Rfd1 $146 ({RR} 12. Qe3 Bb7 13. Nd4
Rfe8 14. Bd3 g6 15. Bb1 Rac8 16. Rfd1 Qb8 17. Ba3 Bf8 18. Nf3 Nc5 19. Qd4 Be7
20. h3 Qa8 21. Re1 Bc6 22. Qe3 Bb7 23. Bb2 Ncd7 24. Rcd1 Bc6 25. a3 Qb8 26. b4
Bb7 {Haznedaroglu,K (2417)-Van den Heever,D (2280) Cape Town 2013 0-1 (69)})
12... Bb7 13. Ba3 Nc5 14. e5 dxe5 15. Qxe5 Qxe5 16. Nxe5 Rfd8 17. Bf3 Bxf3 18.
Nxf3 Bf8 19. Rxd8 Rxd8 20. Bxc5 Bxc5 21. Rd1 Rxd1+ 22. Nxd1 Ne4 23. Kf1 Kf8 24.
Ke2 Ke7 25. Ne1 Kd6 26. Nc2 Ke5 27. b4 Be7 28. f3 Nd6 29. Kd3 Nf5 30. Nde3 Nh4
31. Nd4 Kd6 32. g3 Ng6 33. f4 Nf8 34. Nb3 Nd7 35. a4 Bd8 36. Kd4 Bf6+ 37. Kd3
Bd8 38. Ke4 a5 39. c5+ bxc5 40. Nc4+ Kc6 41. b5+ Kb7 42. Ncxa5+ Kc8 43. Nc4 f5+
44. Kd3 g5 45. a5 gxf4 46. gxf4 Bc7 47. Ke3 Nf6 48. Nxc5 Nd5+ 49. Kf3 Bxf4 50.
Nxe6 Bxh2 51. Nd4 Bg1 52. Nxf5 Bc5 53. Nfd6+ Kc7 54. Ne4 Bd4 55. Kg4 Bc3 56.
Nxc3 Nxc3 57. b6+ Kb7 58. Nd6+ Kb8 59. Kh5 Nd5 60. Kh6 Nb4 61. Ne4 Nc6 62. a6
Nb4 63. a7+ Ka8 64. Nc3 Nc6 65. Nb5 Nxa7 66. bxa7 Kb7 67. Kxh7 Ka8 68. Kg6 Kb7
1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Wagner, Julia"]
[Black "Carrico, Victor Hugo"]
[Result "1/2-1/2"]
[ECO "C65"]
[PlyCount "40"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 5. Nxe5 O-O 6. Bxc6 ({RR} 6. Nf3 Nxe4
7. d4 Bb6 8. d5 Ne7 9. Bd3 Nf6 10. d6 cxd6 11. Bg5 Ng6 12. Nc3 h6 13. Bxf6 Qxf6
14. Nd5 Qd8 15. Bxg6 fxg6 16. Qd3 Qe8 17. Rae1 Qf7 18. Ne7+ Kh7 19. Ng5+ {
1-0 (19) Harikrishna,P (2763)-Nakamura,H (2787) chess.com INT 2016}) ({RR} 6.
Nxc6 dxc6 7. Bd3 Re8 8. Nc3 Bg4 9. Be2 Bxe2 10. Qxe2 Qe7 11. d3 Bd6 12. Bg5 h6
13. Be3 Qe6 14. h3 a6 15. Qf3 Qe5 16. g3 Qe6 17. Kg2 Qd7 18. Ne2 c5 19. Rad1
Qa4 20. g4 Qxc2 {Yau De Leon,O (1560)-Trigas Martinez,N Panama City PAN 2023
1-0 (40)}) 6... bxc6 7. d4 Qe7 $146 ({RR} 7... Bb6 8. Nc3 Bb7 9. Bg5 c5 10.
dxc5 Bxc5 11. Bxf6 Qxf6 12. Nxd7 Qc6 13. Nxf8 Bxf8 14. Qd5 Qb6 15. Qb5 Qxb5 16.
Nxb5 c6 17. Nc3 Rb8 18. Rfd1 g6 19. Rd7 Bb4 20. Rad1 Ba5 21. Na4 Bc8 22. Rxa7 {
Trullas Tugues,I (1585)-Aunes Cabanero,J (1565) Barcelona 2013 1-0 (38)}) 8.
Nf3 Bb6 9. e5 Ng4 10. h3 Nh6 11. Bg5 Qe6 12. a4 a6 13. a5 Ba7 14. Nc3 Rb8 15.
Bc1 Nf5 16. Qd3 d6 17. Ng5 Qg6 18. exd6 cxd6 19. Rd1 Rb7 20. Nf3 Re7 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "Zallio, Luciano"]
[Black "Rocha, Vitor Firmo"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "80"]
[EventDate "2021.??.??"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 O-O 5. c4 c5 6. d4 cxd4 7. Nxd4 Nc6 ({RR} 
7... d5 8. Nd2 e5 9. N4f3 d4 10. exd4 exd4 11. Bxd4 Nc6 12. Bc3 Re8+ 13. Be2
Qe7 14. Kf1 Bf5 15. Nh4 Rad8 16. Nxf5 gxf5 17. Qe1 Nd4 18. Bd3 Qd7 19. Qb1 Nxb3
20. Nxb3 Qxd3+ 21. Qxd3 Rxd3 22. Bxf6 {Bortnyk,O (2581)-Ponkratov,P (2607)
Tallinn 2016 0-1 (40)}) 8. Be2 d6 ({RR} 8... d5 9. cxd5 Nxd4 10. Bxd4 Qxd5 11.
O-O Rd8 12. Bf3 Qa5 13. Qe2 h5 14. h3 e5 15. Bc3 Qc5 16. Qb2 Re8 17. Nd2 Qe7
18. Nc4 e4 19. Be2 Be6 20. Rfd1 Bxc4 21. Bxc4 Red8 22. Rac1 Ne8 23. Bxg7 {
Moral Garcia,S (2223)-Guerb,L (2295) chess.com INT 2023 1-0 (49)}) 9. Bf3 $146
({RR} 9. Nc2 Qa5+ 10. Bc3 Qb6 11. O-O Rd8 12. Bf3 Bf5 13. Nd4 Bd7 14. Nxc6 bxc6
15. Qe1 a5 16. h3 e5 17. Nd2 Bf5 18. Be2 Re8 19. g4 Be6 20. Bf3 Nd7 21. Ne4 d5
22. Ng5 d4 23. Bd2 Nc5 {Kohan,J-Gaete,R Cordoba 1966 0-1 (54)}) 9... Bd7 10.
O-O Qa5 11. Nc3 Rfc8 12. a3 Rab8 13. Rc1 a6 14. b4 Qd8 15. Qb3 Nxd4 16. exd4 b5
17. c5 Bf5 18. Rfe1 Bd3 19. a4 Bc4 20. Qc2 d5 21. axb5 axb5 22. Ra1 Ra8 23. Be2
Qd7 24. Bd3 Nh5 25. Rxa8 Rxa8 26. Bxc4 dxc4 27. Qe4 Re8 28. Nd5 Nf6 29. Nxf6+
Bxf6 30. g3 Rd8 31. Ra1 Kg7 32. Ra8 Rxa8 33. Qxa8 Qf5 34. Kg2 Qd3 35. Qf3 Qxf3+
36. Kxf3 Kf8 37. Ke4 e6 38. Bc1 Ke8 39. d5 Bc3 40. Ba3 f5+ 0-1

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "di Berardino, Diego"]
[Black "Rodrigues, Edgar"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "51"]
[EventDate "2021.??.??"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8.
Nf3 c5 9. Qd2 Nc6 10. dxc5 Qxc5 11. O-O-O Nb6 12. h4 Bd7 13. h5 Na5 ({RR} 13...
Rfc8 14. h6 g6 15. Rh3 Na5 16. Qd4 Qe7 17. Nh2 Nc6 18. Qd2 f5 19. g4 Kh8 20.
gxf5 gxf5 21. Nf3 Na5 22. Ng5 Be8 23. Qd4 Rc7 24. Bd3 Rac8 {1/2-1/2 (24) Popov,
I (2541)-Riazantsev,A (2634) Moscow 2009}) ({RR} 13... Rac8 14. h6 g6 15. Ng5
Na5 16. Rh3 Nac4 17. Bxc4 Nxc4 18. Qd4 Qxd4 19. Rxd4 f6 20. exf6 Nd6 21. b3
Rxf6 22. g4 Bc6 23. Ne2 Re8 24. Nf3 Ne4 25. g5 Rf5 26. Rh1 Bb5 27. c4 Bc6 28.
Ne5 {AlphaZero-Stockfish 8 London ENG 2018 1-0 (49)}) 14. h6 g6 15. Qd4 $146 ({
RR} 15. Ng5 Rac8 16. Rh3 Nbc4 17. Bxc4 Nxc4 18. Qd4 Qxd4 19. Rxd4 Rc7 20. b3
Na5 21. Rf3 Rfc8 22. Kb2 b5 23. Rd2 b4 24. Nd1 d4 25. Rfd3 Nc6 26. Nf2 {
1-0 (26) Ninov,N (2501)-Bronowicki,M (2300) Guben 2008}) 15... Qe7 16. Qf2 Rfc8
17. Qh4 Qf8 18. Rd3 Be8 19. Nd4 Nac4 20. f5 Nxe5 21. Re3 Nbc4 22. Bxc4 Nxc4 23.
fxe6 Qb4 24. Nb3 fxe6 25. Rxe6 Bc6 26. Rxg6+ 1-0

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "do Carmo, Gabriel"]
[Black "da Rosa, Henrique"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "98"]
[EventDate "2021.??.??"]

1. c4 c6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Bg4 5. b3 ({RR} 5. h3 Bxf3 6. Qxf3 e6 7. b3
Nbd7 8. Bb2 Nc5 9. cxd5 exd5 10. Be2 Bd6 11. O-O O-O 12. d3 Re8 13. Rfd1 Qe7
14. Bf1 Ne6 15. Ne2 Nd7 16. Ng3 g6 17. Qg4 Be5 18. Bxe5 Nxe5 19. Qe2 a5 {
Gukesh,D (2547)-Predke,A (2676) Moscow RUS 2019 1/2-1/2 (38)}) 5... e5 6. Be2
Nbd7 ({RR} 6... e4 7. Nd4 Bxe2 8. Ndxe2 Bd6 9. Bb2 a6 10. d3 O-O 11. dxe4 dxe4
12. Ng3 Re8 13. Nf5 Be5 14. Qxd8 Rxd8 15. Ke2 Nbd7 16. Rab1 Nc5 17. Na4 Nd3 18.
Bxe5 Nxe5 19. Rhd1 Kf8 20. Nc5 b6 21. Nb7 {Mitrabha,G (2471)-Ginzburg,Y (2405)
chess.com INT 2022 1-0 (39)}) 7. d4 Bb4 $146 ({RR} 7... e4 8. Nd2 Bf5 9. O-O
Bd6 10. c5 Bc7 11. f3 exf3 12. Nxf3 Bg6 13. Bd3 Qe7 14. Qe2 Ba5 15. Bd2 Bxc3
16. Bxc3 Ne4 17. Bxe4 Bxe4 18. Nd2 Nf6 19. b4 O-O 20. b5 Rfe8 21. bxc6 bxc6 22.
Rfe1 {Correia,B-Furtado,D (1770) Vila Nova de Gaia 2016 0-1 (38)}) 8. Bd2 Bxf3
9. Bxf3 e4 10. Be2 Bd6 11. cxd5 cxd5 12. Nb5 Be7 13. Rc1 O-O 14. f3 a6 15. Nc3
Bd6 16. O-O Rc8 17. a4 Qe7 18. fxe4 dxe4 19. Be1 Ba3 20. Rc2 Rfd8 21. Bh4 Qb4
22. Bc4 Nb6 23. Nxe4 Nxe4 24. Bxf7+ Kh8 25. Bxd8 Rxd8 26. Rc7 Nd7 27. Qc2 Qe7
28. d5 Bd6 29. Rxd7 Rxd7 30. Be6 Qh4 31. g3 Nxg3 32. Bxd7 h6 33. hxg3 Qxg3+ 34.
Qg2 Qxe3+ 35. Kh1 Qxb3 36. Rg1 Qc3 37. Qe2 Qf6 38. Qg4 Qe5 39. Qg2 b5 40. Rc1
b4 41. Be6 Bc7 42. Rxc7 Qxc7 43. Qd2 b3 44. Bf5 Qe5 45. Bb1 Qh5+ 46. Kg2 Qg4+
47. Kf2 Qh4+ 48. Ke3 Qg3+ 49. Kd4 Qg1+ 1/2-1/2

[Event "BRA ch"]
[Site "Cuiaba"]
[Date "2021.10.??"]
[Round "11"]
[White "do Nascimento, Maycon"]
[Black "Silva, Joelton Cooper"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "50"]
[EventDate "2021.??.??"]

1. e4 {Donaldson,J} c5 2. Nc3 Nc6 3. Nf3 d6 4. Bb5 a6 5. Ba4 ({RR} 5. Bxc6+)
5... b5 6. Nxb5 axb5 7. Bxb5 Qb6 8. Qe2 $146 ({RR} 8. a4 Ba6 9. Ra3 Bxb5 10.
axb5 Rxa3 11. bxa3 Qxb5 12. d3 Nf6 13. O-O e6 14. Re1 Be7 15. c4 Qb7 16. Qa4
O-O 17. Be3 Ra8 18. Qc2 Rxa3 19. Rb1 Nb4 20. Qb2 Qa8 21. Bc1 Rxd3 22. Qe2 Qa2 {
Ren,L (823)-Donnelly,P (1659) San Francisco 2015 EXT 2016 [Donaldson,J] 0-1})
8... Rb8 9. a4 Bg4 10. Ra3 Bd7 11. Qc4 Nf6 12. O-O g6 13. Re3 Bg7 14. b3 O-O
15. d3 Bg4 16. e5 dxe5 17. Nxe5 Nxe5 18. Rxe5 Be6 19. Qh4 Nd5 20. Bh6 Bxe5 21.
Re1 Bf6 22. c4 Bxh4 23. cxd5 c4 24. dxc4 Qxf2+ 25. Kh1 Qxe1# 0-1

