[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.1"]
[White "Sosonko, Gennadi"]
[Black "Lemos, Jorge Joao"]
[Result "1-0"]
[ECO "A99"]
[WhiteElo "2575"]
[BlackElo "2005"]
[Annotator "Stock fish 16"]
[PlyCount "51"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3
O-O 6. O-O d6 7. Nc3 a5 8. b3 Qe8 9. Ba3 Qh5 10. d5 ({RR} 10. e3 Rf7 11. Nd2
Qxd1 12. Raxd1 Nc6 13. Bb2 Rf8 14. a3 Bd8 15. f4 Ne7 16. e4 fxe4 17. Ndxe4 Nf5
18. Rfe1 Nxe4 19. Nxe4 h6 20. a4 Bd7 21. Nf2 c6 22. c5 d5 23. Ng4 Be8 24. Bh3
Bf7 {Stoofvlees II a19 (3509)-SlowChess Blitz 2.83 avx2 (3490) tcec-chess.com
INT 2022 1-0 (65)}) 10... e5 11. Nxe5 Ne4 $146 ({RR} 11... dxe5 12. Bxe7 Rf7
13. Bxf6 Rxf6 14. e4 Qf7 15. exf5 Bxf5 16. Ne4 Bxe4 17. Bxe4 Nd7 18. Qc2 g5 19.
g4 Rf4 20. Bf5 Nf8 21. Rae1 Re8 22. f3 Kg7 23. Qc3 Rxf5 24. gxf5 Qxf5 25. Qxa5
Re7 26. Qd2 {Raizman,M-Porreca,G Amsterdam 1954 1-0 (45)}) ({RR} 11... f4 12.
gxf4 Ng4 13. Nxg4 Bxg4 14. f3 Bh3 15. Bxh3 Qxh3 16. e3 Rf6 17. Qe2 Rg6+ 18. Kh1
Bf6 19. Bb2 Nd7 20. Ne4 Bxb2 21. Qxb2 Re8 22. Qf2 b6 23. Rg1 Rxg1+ 24. Rxg1 Qh6
25. Qg2 Nc5 26. Nxc5 {Adamski,J-Roehrl,K Siegen 1970 1/2-1/2 (41)}) 12. Nb5 Bf6
13. Nf3 Na6 14. Rc1 f4 15. Nfd4 fxg3 16. fxg3 Qh6 17. Rf4 Ng5 18. Kh1 Bh3 19.
Rh4 Bxg2+ 20. Kxg2 Qg6 21. Qd3 Qe8 22. Rf1 h6 23. Rhf4 Qe5 24. h4 Nh7 25. Ne6
Rf7 26. Rf5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.2"]
[White "Machado, Hermes Amilcar"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2286"]
[BlackElo "2480"]
[Annotator "Stock fish 16"]
[PlyCount "39"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7.
f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2 Nfd7 11. O-O-O Bb7 12. Nf5 exf5 13. e6 Nf6
14. Bxf6 gxf6 15. Qh5 Bg7 $6 (15... Bb4 $1) 16. Bxb5+ axb5 17. exf7+ Qxf7 $146
({RR} 17... Kf8 18. Rhe1 Be4 19. Nxe4 Nd7 20. Nc5 {1-0 (20) Belokurov-Sanakoev,
G Lipetsk 1962}) ({RR} 17... Kf8 18. Rhe1 Be4 19. Nxe4 Rxa2 20. Kb1 fxe4 21.
Kxa2 Qxf7+ 22. Qxf7+ Kxf7 23. Rxe4 Rc8 24. c3 Bf8 25. Rd5 b4 26. cxb4 Na6 27.
Rd7+ Kg6 28. Rg4+ Kf5 29. Rg8 Nxb4+ 30. Kb1 Re8 31. Rd1 Rb8 32. Rd7 {Sakun,
V-Vovk,Y Lvov 2002 1/2-1/2 (42)}) 18. Rhe1+ Be4 19. Nxe4 $2 (19. Rd8+ $1 $16)
19... Qxh5 $4 (19... O-O $1) 20. Ng5+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.3"]
[White "Gouveia, Carlos Eduardo"]
[Black "Pereira, Fernando"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2405"]
[BlackElo "2260"]
[Annotator "Stock fish 16"]
[PlyCount "65"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2.
d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d5 d6 7. c4 b5 8. cxb5 a6 9. b6 Qxb6 ({
RR} 9... Nbd7 10. Nc3 Qxb6 11. Qc2 a5 12. h3 a4 13. Rb1 Qa5 14. e4 Nb6 15. Rd1
Nfd7 16. Ne2 Qa7 17. Bf4 Ba6 18. Nc3 Rfb8 19. b3 axb3 20. axb3 Qc7 21. Re1 Nc8
22. h4 Qa5 23. e5 c4 24. b4 {Hammer,J (2610)-Hebden,M (2539) Oslo 2010 1-0 (43)
}) ({RR} 9... Nbd7 10. Nc3 Nxb6 11. a4 a5 12. e4 Ba6 13. Re1 Nfd7 14. Bf1 Nc4
15. Nd2 Nxd2 16. Bxd2 c4 17. Rb1 Qb6 18. Nb5 Bxb5 19. axb5 Qxb5 20. b3 Qc5 21.
Bxc4 Bd4 22. Be3 Bxe3 23. Rxe3 Ne5 24. Bf1 {Sharnarthi Viresh (1850)-Fedorov,A
(2454) Chennai IND 2024 0-1 (59)}) 10. Nfd2 Nbd7 $146 ({RR} 10... a5 11. Nc4
Qc7 12. Bd2 Nbd7 13. h3 Ba6 14. Nba3 Ne8 15. Bxa5 Qb7 16. Bc3 Bxc3 17. bxc3 Nc7
18. Rb1 Qa7 19. Na5 Ne5 20. Nc6 Nxc6 21. dxc6 Rab8 22. Qa4 d5 23. c4 dxc4 24.
Rb7 Rxb7 25. cxb7 {Barmbold,J (2210)-Hort,A (2173) Heusweiler 2007 1-0 (34)})
11. Nc4 Qc7 12. Bd2 Rb8 13. Ba5 Qa7 14. e3 Ne8 15. Nbd2 Nc7 16. Qc2 Nf6 17. Qd3
Bd7 18. a4 Rb7 19. b3 Rfb8 20. h3 Qa8 21. Rfe1 Nh5 22. Rab1 f5 23. e4 fxe4 24.
Bxe4 Nf6 25. g4 Nxe4 26. Rxe4 Bf6 27. Rbe1 Ne8 28. Rxe7 Bxe7 29. Rxe7 Nf6 30.
Qc3 Rf8 31. Ne4 Ne8 32. Ncxd6 Bc6 33. Nxb7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.4"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Bere Filho, Romulo Fernando"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2375"]
[BlackElo "2136"]
[Annotator "Stock fish 16"]
[PlyCount "83"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3.
d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Bd7 7. Be3 a6 8. Bc4 e6 9. Qf3 Qc7 10. Bb3
Be7 11. O-O O-O 12. h3 ({RR} 12. g4 Nxd4 13. Bxd4 e5) ({RR} 12. Rad1 Nxd4 13.
Rxd4 Bc6 14. Qg3 Rfd8 15. e5 dxe5 16. fxe5 Rxd4 17. Bxd4 Nd5 18. Ne4 Rf8 19. c4
Nb4 20. Nd6 a5 21. a3 Na6 22. Bc2 Nb8 23. Qd3 g6 24. Qg3 Nd7 25. Qf4 Bxd6 26.
exd6 Qd8 {Martins,C (2459)-AJPP (2306) lichess.org 2021 1-0 (34)}) ({RR} 12.
Nde2 b5 13. Rad1 b4 14. Na4 Na5 15. Bb6 Qb7 16. Bxa5 Qb5 17. Bb6 Rab8 18. Be3
Qa5 19. e5 Nd5 20. Bxd5 Qxa4 21. Bb3 Qb5 22. exd6 Bf6 23. Nd4 Qa5 24. f5 exf5
25. Nxf5 Rfe8 26. Nh6+ Kf8 {Sztokbant,B (2213)-Abrosimov,V (2341) chess.com
INT 2023 1-0 (38)}) 12... b5 13. g4 b4 $146 ({RR} 13... Nxd4 14. Bxd4 Bc6 15.
g5 Nd7 16. Ne2 Nc5 17. Ng3 Nxb3 18. cxb3 e5 ({RR} 18... d5 19. Nh5 ({RR} 19.
Rac1 dxe4 20. Nxe4 Rac8 21. Qh5 Qd8) ({RR} 19. e5) 19... dxe4 20. Qg4 Rfd8 ({RR
} 20... g6 21. Nf6+ Bxf6 22. gxf6 h5 23. Qg5 Kh7 24. f5 exf5 ({RR} 24... Rg8
25. fxe6) 25. Rxf5 Rfe8 26. Be3 Kg8 27. Bf4 Qd7 28. Qh6)) 19. Be3 f5 20. Rac1
exf4 ({RR} 20... Qb7 21. Nxf5 Bxe4 ({RR} 21... Rxf5 22. Rxc6 Qxc6 ({RR} 22...
Rf7 23. Rfc1 exf4 24. Rc7 Qb8 25. Qg4) 23. exf5 Qxf3 24. Rxf3 e4 25. Rg3 Kf7
26. Bd4) 22. Nxe7+ Kh8 23. Qg4 Qxe7 24. f5 Bb7 25. f6 Qf7 26. Rcd1 d5 ({RR} 
26... Rad8 27. Bb6 Rd7 28. fxg7+ Qxg7 29. Rxf8+ Qxf8 30. Qxd7) 27. Bc5 Rg8 28.
Be7) 21. Qxf4 Rae8 ({RR} 21... fxe4 22. Nf5) 22. Nxf5 ({RR} 22. exf5) 22... Bd8
23. Rf2 Qb7 24. Qxd6 ({RR} 24. Rcf1 Bxe4 25. Nxd6 Rxf4 26. Rxf4 Qd7 27. Nxe8
Qxe8 28. Bc5 Be7 29. Rxe4 Bxc5+) 24... Bxe4 25. Ng3 ({RR} 25. Rcf1) 25... Rxf2
26. Bxf2 ({RR} 26. Kxf2 Bg2) 26... Bxg5 27. Rc7 ({RR} 27. Re1 Bg6 28. Rxe8+
Bxe8 29. Bc5 ({RR} 29. Qe5 Qe7) 29... Qf7 30. Qxa6 Qd5 31. Qd6 Be3+) 27... Qd5
28. Qxd5+ {Sozin,V-Kan,I Moscow (Russia) 1931 URS-ch [Ftacnik,L] 0-1 (57)}) ({
RR} 13... Nxd4 14. Bxd4 Bc6 15. g5 Nd7 16. Rae1 Rfc8 17. Nd5 exd5 18. exd5 Bf8
19. dxc6 Nb6 20. Bxb6 Qxb6+ 21. Kh1 Rc7 22. f5 Kh8 23. g6 h6 24. gxf7 Rcc8 25.
Re2 Rab8 26. Bd5 Qc7 27. Rfe1 Rd8 28. Re8 {Soozankar,A (2111)-Saraykoy,E
Denizli 2003 1-0 (35)}) 14. Nce2 Nxd4 15. Bxd4 ({RR} 15. Nxd4 e5 16. fxe5 dxe5
17. Nf5 Bxf5 18. Qxf5) 15... Bc6 16. Ng3 d5 17. e5 Ne4 18. Nxe4 dxe4 19. Qe3
Bd5 20. c3 bxc3 21. bxc3 Rac8 22. f5 Bc5 23. fxe6 fxe6 24. Rxf8+ Bxf8 25. c4
Ba8 26. c5 Bd5 27. Bxd5 exd5 28. Rc1 Qc6 29. Kg2 Be7 30. Qb3 Qe6 31. Qg3 Qc6
32. Rc2 Qa4 33. Qc3 Rf8 34. c6 Qb5 35. c7 Qf1+ 36. Kh2 Qf4+ 37. Qg3 Qxg3+ 38.
Kxg3 Rc8 39. Kf4 Kf7 40. Rc6 Ke8 41. e6 Rxc7 42. Rxc7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.5"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Brito, Vicente de Paulo Al"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2395"]
[BlackElo "2045"]
[Annotator "Stock fish 16"]
[PlyCount "59"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. b3
d5 3. e3 Nf6 4. Bb2 e6 5. Be2 Be7 6. O-O O-O 7. c4 Nc6 8. d4 Qc7 ({RR} 8...
dxc4 9. bxc4 b6 10. Nc3 cxd4 11. exd4 Bb7 12. Qd2 Rc8 13. Rac1 Na5 14. Ne5 Nd7
15. Nxd7 Qxd7 16. Nd1 Rfd8 17. Ne3 Bg5 18. d5 Qe7 19. Bd3 exd5 20. Nf5 Bxd2 21.
Nxe7+ Kf8 22. Nxc8 Bxc1 23. Rxc1 {Votava,J (2534)-Jurcik,M (2496) Czechia 2013
1/2-1/2}) ({RR} 8... a6 9. Nc3 cxd4 10. Nxd4 Nxd4 11. Qxd4 dxc4 12. Qxc4 b5 13.
Qh4 Qd2 14. Rab1 Nd5 15. Qe4 f5 16. Qd3 Qxd3 17. Bxd3 Nxc3 18. Bxc3 Rd8 19.
Rfd1 Bb7 20. Kf1 Rac8 21. Ba5 Rxd3 22. Rxd3 Be4 23. Rbd1 {Niemann,H (2465)
-Valsecchi,A (2512) chess.com INT 2020 1/2-1/2 (68)}) 9. Nc3 a6 $146 ({RR} 9...
Rd8 10. Qb1 a6 11. Rd1 cxd4 12. exd4 b6 13. Na4 h6 14. Qc1 Bd7 15. Ne5 dxc4 16.
Bf3 Rac8 17. Nxd7 Rxd7 18. bxc4 Rcd8 19. Qe3 Nb4 20. Qc3 Nc6 21. c5 Nxd4 22.
Nxb6 Nxf3+ 23. Qxf3 Rxd1+ 24. Rxd1 {Horvath,M (1830)-Hanzluvka,P (2032)
Slovakia 2012 1/2-1/2 (41)}) 10. cxd5 cxd4 11. dxc6 dxc3 12. Bxc3 Rd8 13. Qe1
Qxc6 14. Rc1 Qe8 15. Ba5 Rd6 16. Ne5 b6 17. Bf3 Nd5 18. Bb4 Nxb4 19. Bxa8 a5
20. a3 Ba6 21. axb4 Qxa8 22. Nc4 Bxc4 23. Rxc4 Rd8 24. bxa5 bxa5 25. Qc1 Bb4
26. Rd1 Rf8 27. Rc7 g6 28. Qc4 Kg7 29. Qxe6 Kg8 30. Qc4 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.6"]
[White "Gaui, Roberto"]
[Black "Pimenta, Jeronimo Marques"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2089"]
[BlackElo "2295"]
[Annotator "Stock fish 16"]
[PlyCount "75"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 {Thiruchelvam,M} c6 2. d4 d5 3.
exd5 cxd5 4. c4 Nc6 5. Nc3 e6 6. Nf3 Nf6 7. Be2 Be7 8. O-O O-O 9. Re1 b6 10.
cxd5 ({RR} 10. Be3 Bb7 11. Rc1 Rc8 12. Bd3) ({RR} 10. Ne5 Nxe5 11. dxe5 Ne4 12.
Nxe4 dxe4 13. Qxd8 Rxd8 14. Be3 Bb7 15. Red1 f6 16. exf6 gxf6 17. a3 f5 18. b4
Bc6 19. b5 Be8 20. a4 e5 21. g3 Bd6 22. Bg5 Rd7 23. a5 Rb8 24. axb6 axb6 {
Cifuentes Parada,R (2506)-Zhao,J (2421) Seville 2003 1-0 (52)}) ({RR} 10. Bf4
Bb7 11. Rc1 Rc8 12. b3 dxc4 13. bxc4 Na5 14. Nb1 Bb4 15. Nbd2 Bxf3 16. Bxf3
Qxd4 17. Be3 Qd7 18. Re2 Rfd8 19. Qc2 b5 20. Qb2 Nxc4 21. Qxb4 a5 22. Qb1 Na3
23. Qa1 Nc2 24. Qb1 Nxe3 {Saim,M (2169)-Hnatyshyn,A (2152) chess.com INT 2023
0-1 (34)}) 10... Nxd5 11. Nxd5 ({RR} 11. Be3 Bb7 12. Rc1 Rc8 13. Nxd5 Qxd5 14.
Bc4 Qd7 15. d5 exd5 16. Qxd5 Qxd5 17. Bxd5 Rfd8) 11... Qxd5 12. b3 $146 ({RR} 
12. Be3 Bb7 13. Qa4 Bf6 14. Qb5 Rfd8 15. Red1 Rd7 ({RR} 15... Nxd4 16. Rxd4 ({
RR} 16. Nxd4 Qxg2#) ({RR} 16. Bxd4 Qxb5 17. Bxb5 Bxf3 18. Bxf6 ({RR} 18. gxf3
Bxd4) 18... Rxd1+) 16... Qxb5 ({RR} 16... Bxd4 17. Qxd5 Bxd5 18. Nxd4) 17.
Rxd8+ Rxd8 18. Bxb5) 16. Qxd5 Rxd5 17. Bc4 Rd6 18. Bf4 Rd7 19. Bb5 Rad8 20.
Bxc6 ({RR} 20. Rac1 Nxd4 21. Bxd7 Ne2+ 22. Kf1 Nxc1 23. Bc7 ({RR} 23. Rxc1 Rxd7
) 23... Ba6+ 24. Kg1 Ne2+ 25. Kh1 Rf8 26. Bd6 Ra8 27. Bc6 Rd8) 20... Bxc6 21.
Ne5 Rxd4 ({RR} 21... Bxe5 22. Bxe5 f6 23. Bg3 e5) 22. Rxd4 Rxd4 23. Nxc6 Rxf4
24. Rd1 Ra4 ({RR} 24... g6 25. Nxa7 Bxb2) 25. a3 g6 26. Rd2 Rc4 {Westra,
R-Thiruchelvam,M (2020) York 1999 CBM 069 [Thiruchelvam,M] 0-1}) 12... Bf6 13.
Bb2 Bb7 14. Bc4 Qd6 15. Qd2 Rad8 16. Rad1 Ne7 17. Ng5 b5 18. Bd3 Qd5 19. Bxh7+
Kh8 20. Be4 Bxg5 21. f4 Qd6 22. fxg5 Bxe4 23. Rxe4 Ng6 24. h4 Ne7 25. h5 Nd5
26. Qe2 Rc8 27. g6 Nf4 28. Qg4 fxg6 29. hxg6 Kg8 30. Ba3 Qxa3 31. Rxf4 Qd6 32.
Rxf8+ Rxf8 33. Qh5 Rf5 34. Qh7+ Kf8 35. Qh8+ Ke7 36. Qxg7+ Kd8 37. Qh8+ Kc7 38.
g7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.7"]
[White "Braga, Cicero Nogueira"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2109"]
[BlackElo "2290"]
[Annotator "Stock fish 16"]
[PlyCount "51"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5.
dxe5 dxe5 6. Bd5 Nf6 7. Bxc6+ bxc6 8. Qxd8+ Bxd8 9. Nxe5 Nxe4 10. O-O O-O 11.
Nxc6 Bf6 12. c3 $146 ({RR} 12. Re1 Bb7 13. Na5 Nc5 14. Nxb7 Nxb7 15. c3 Nc5 16.
Be3 Na4 17. Re2 Rfd8 18. Na3 Rab8 19. Nc4 a6 20. g4 h6 21. Kg2 Rd5 22. Bf4 Rb7
23. Rae1 Kh7 24. Rc2 Nc5 25. Na5 Rb5 26. b4 Nd3 {Chernomordik,P (2177)-Joubert,
D (1566) chess.com INT 2021 1-0 (42)}) ({RR} 12. Re1 Bb7 13. Na5 Nc5 14. Nxb7
Nxb7 15. c3 Nc5 16. Be3 Na4 17. Re2 Rfd8 18. Na3 Rab8 19. Nc4 a6 20. g4 h6 21.
Kg2 Rd5 22. Bf4 Rb7 23. Rae1 Kh7 24. Rc2 Nc5 25. Na5 Rb5 26. b4 Nd3 {
Chernomordik,P (2177)-Joubert,D (1566) chess.com INT 2021 1-0 (42)}) 12... Bb7
13. Nb4 Rad8 14. Be3 a5 15. Nc2 Rd3 16. Nba3 Nd2 17. Rfe1 Rfd8 18. Bf4 h5 19.
Bxc7 R8d5 20. Bf4 Bg5 21. Be5 f6 22. Bd4 h4 23. Re7 Bc6 24. Rc7 Rd6 25. h3 Ne4
26. Nc4 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.8"]
[White "Limp, Eduardo Thelio"]
[Black "Mercadante, Ricardo Rodrigues"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2215"]
[BlackElo "2053"]
[Annotator "Stock fish 16"]
[PlyCount "33"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3
Bg7 4. f4 c6 5. Nf3 Bg4 6. Be3 Nf6 7. h3 Bxf3 8. Qxf3 O-O 9. e5 ({RR} 9. O-O-O
Qa5 10. g4 Nbd7 11. e5 Nd5 12. Nxd5 Qxd5 13. Qxd5 cxd5 14. h4 e6 15. h5 dxe5
16. fxe5 f6 17. Bb5 Rad8 18. exf6 Nxf6 19. hxg6 Nxg4 20. gxh7+ Kh8 21. Bg1 Nf2
22. Bxf2 Rxf2 23. Rde1 a6 {Medvegy,Z (2546)-Nurkic,S (2392) Banja Vrucica 2009
1-0 (32)}) ({RR} 9. O-O-O Qa5 10. Kb1 d5 11. e5 Nfd7 12. f5 Nb6 13. h4 N8d7 14.
h5 Na4 15. Nxa4 Qxa4 16. Qh3 Rfd8 17. hxg6 hxg6 18. Qh7+ Kf8 19. Bh6 {1-0 (19)
Mohammad,J (2179)-Mohammad,S (2002) Dhaka 2017}) 9... Ne8 10. O-O-O d5 11. h4
Qd7 $146 ({RR} 11... f6 12. h5 fxe5 13. dxe5 Bxe5 14. hxg6 hxg6 15. Qg4 Bg7 16.
Bd3 Qd6 17. Bxg6 Nf6 18. Qh4 Qe6 19. Bd4 Qg4 20. Bh7+ Kf7 21. Bxf6 Qxh4 22.
Bxh4 Bh6 23. Bg5 Bxg5 24. fxg5 Nd7 25. Bf5 {1-0 (25) Urbina,R (2290)-Monzon
Perez,C (2108) Panama 2006}) 12. h5 e6 13. g4 Nc7 14. Bd3 Qe8 15. hxg6 fxg6 16.
Qh3 h6 17. f5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.9"]
[White "Lima, Nelson Villaboim"]
[Black "Brito, Luismar Jorge"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1990"]
[BlackElo "2220"]
[Annotator "Stock fish 16"]
[PlyCount "68"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2.
c4 Nc6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 d6 6. O-O Bg4 7. Nd5 $146 ({RR} 7. d3 Nf6 8.
Be3 Bxf3 9. Bxf3 O-O 10. g3 Rb8 11. Bg2 Nd7 12. f4 Nd4 13. f5 b5 14. Qd2 bxc4
15. dxc4 e6 16. Bg5 Rxb2 17. Qxb2 Qxg5 18. Rac1 Ne5 19. Rfd1 Ng4 20. Qd2 Qxd2
21. Rxd2 Bh6 {Mordechai,H (2347)-Hakobyan,A (2616) chess.com INT 2023 0-1 (34)}
) ({RR} 7. d3 e6 8. Be3 Nge7 9. Ne1 Bxe2 10. Qxe2 O-O 11. a3 a6 12. Rb1 Rb8 13.
Nc2 b5 14. h3 bxc4 15. dxc4 Rb3 16. Nd1 Qb8 17. Bc1 Nd4 18. Nxd4 Bxd4 19. Qc2
Nc6 20. Kh1 Qb7 21. f4 Bg7 {Przybylski,W (2321)-Mekhitarian,K (2562) chess.com
INT 2022 0-1 (77)}) 7... Bxf3 8. Bxf3 e6 9. Nc3 Nge7 10. d3 O-O 11. g3 Rb8 12.
Bf4 a6 13. a4 Nd4 14. Bg2 Nec6 15. Re1 b5 16. axb5 axb5 17. cxb5 Nxb5 18. Nxb5
Rxb5 19. Ra6 Ne5 20. Bc1 Rb6 21. Ra2 Nc6 22. f4 Bd4+ 23. Kh1 Qf6 24. Rf1 Rfb8
25. h4 Qe7 26. f5 Ne5 27. f6 Qf8 28. h5 Ra8 29. Bh6 Rxa2 30. Bxf8 Rbxb2 31.
hxg6 hxg6 32. Rf4 Rxg2 33. Rh4 Nf3 34. Qxf3 Rg1# 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.10"]
[White "Queiroz, Pedro Paulo S"]
[Black "Resende, Antonio Carlos"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2003"]
[BlackElo "2310"]
[Annotator "Stock fish 16"]
[PlyCount "76"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d5 4. e5 h5 5. Be3 ({RR} 5. h3 Nh6 6. Nf3
Nf5 7. c3 Ng3 8. Rg1 Nxf1 9. Rxf1 Bf5 10. Nh4 Be4 11. f5 e6 12. f6 Bf8 13. Nd2
Bd3 14. Rf3 Ba6 15. Rf2 c5 16. Nhf3 Nc6 17. Nb3 cxd4 18. Nbxd4 Nxd4 19. Nxd4
Qc7 {Valle Luis,L (2354)-Aaditya,D (2027) chess.com INT 2023 0-1 (79)}) 5...
Nh6 6. h3 c6 ({RR} 6... Nf5 7. Bf2 h4 8. Nf3 b6 9. Bd3 e6 10. b3 Bf8 11. O-O c5
12. c4 Nxd4 13. Nxd4 cxd4 14. Bxd4 {1/2-1/2 (14) Zlatic,M (2375)-Badea,B (2545)
Brasov 1998}) 7. Nf3 Qb6 $146 ({RR} 7... Bf5 8. c4 dxc4 9. Bxc4 e6 10. Nc3 Nd7
11. Qd2 Bf8 12. O-O Nb6 13. Bb3 Be7 14. Bf2 Nd5 15. Rfe1 Kf8 16. a3 Kg7 17.
Rac1 Qb6 18. Ba2 Rad8 19. Bxd5 exd5 20. Bh4 Bxh4 21. Nxh4 Be6 22. Nf3 {Schmoll,
H (2115)-Kappelt,J (2155) Niederrhein 2006 1-0 (102)}) 8. b3 Bf5 9. Bd3 a5 10.
a3 Na6 11. Nc3 Nc7 12. O-O Ne6 13. Ne2 Bxd3 14. Qxd3 Nf5 15. Bf2 h4 16. Kh2 Rh5
17. c4 Qa6 18. Rfc1 Rd8 19. Qc2 Bh6 20. g3 hxg3+ 21. Bxg3 dxc4 22. Qxc4 Qxc4
23. Rxc4 Ne3 24. Ra4 b6 25. b4 Nd5 26. bxa5 b5 27. Rb4 Ra8 28. Rb3 Rxa5 29. Kg2
Kd7 30. Nfg1 Ra4 31. Rd1 Rf5 32. h4 Bxf4 33. Nh3 Ne3+ 34. Rxe3 Bxe3 35. d5 cxd5
36. Rxd5+ Kc6 37. Rd3 Bc5 38. Nhf4 Rfxf4 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.11"]
[White "Farias, Sergio A"]
[Black "Papaleo, Lisandro"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2320"]
[BlackElo "2020"]
[Annotator "Stock fish 16"]
[PlyCount "87"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 e6 4.
Bd3 c5 5. c3 Be7 6. Nbd2 Nbd7 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6
11. Bc2 b6 ({RR} 11... cxd4 12. cxd4 b6 13. Qe2 Bb7 14. Rd1 Rc8 15. Ne5 Qc7 16.
Bd3 Bd5 17. Bg5 Qd8 18. Rac1 Rxc1 19. Rxc1 Ba8 20. Be3 Bb7 21. Qc2 h6 22. Nc6
Bxc6 23. Qxc6 Nd5 24. Bd2 Bg5 25. Qc2 Nf4 26. Bxf4 {Farias,S-Kruel,F Campinas
1962 1-0 (60)}) 12. Bg5 ({RR} 12. Qe2 Bb7 13. Bf4 Bd6 14. Bg5 Qc7 15. dxc5 Bxc5
16. Bxf6 gxf6 17. Be4 Rad8 18. Bxb7 Qxb7 19. Rad1 a5 20. Qc4 Kh8 21. Qf4 Be7
22. Rd2 Rxd2 23. Nxd2 Qd5 24. Ne4 f5 25. Ng3 Kg7 26. Re1 Rc8 {Prill,D (2182)
-Wortmann,K (1969) Heusenstamm GER 2023 1/2-1/2 (42)}) 12... Bb7 ({RR} 12...
Ba6 13. Re1 Rc8 14. Qd2 cxd4 15. Qxd4 Qxd4 16. Nxd4 h6 17. Bh4 Rfd8 18. Rad1
Kf8 19. Bb3 Bc4 20. Bxc4 Rxc4 21. Bg3 a6 22. Nf3 Rxd1 23. Rxd1 Ke8 24. Kf1 b5
25. Ke2 Nd5 26. Rd4 Rc8 27. Kd1 {Welling,G (2400)-Speelman,J (2605) Tilburg
1993 1/2-1/2 (51)}) 13. dxc5 bxc5 $146 ({RR} 13... Qxd1 14. Rfxd1 Bxf3 15. gxf3
bxc5 16. c4 Rfd8 17. Be3 Nd7 18. b3 Rac8 19. Rab1 Ne5 20. Kg2 Nc6 21. Be4 Nd4
22. b4 f5 23. Bb7 Rb8 24. bxc5 {1-0 (24) Medic,M (2262)-Kukic,L (1738) Rijeka
2010}) 14. Qe2 Qb6 15. Ne5 Rfd8 16. Rfe1 Rab8 17. Rad1 Ba8 18. b3 Rxd1 19. Rxd1
Rd8 20. Rxd8+ Qxd8 21. Qd3 Qd5 22. Qxd5 Bxd5 23. Nd7 h6 24. Nxf6+ Bxf6 25. Bxf6
gxf6 26. f4 e5 27. g3 Kf8 28. Kf2 Ke7 29. Ke3 Ke6 30. a3 a5 31. b4 cxb4 32.
cxb4 axb4 33. axb4 Bc4 34. Ba4 Kd5 35. Be8 Kd6 36. Ba4 Bd5 37. Be8 Ke7 38. Ba4
h5 39. h4 Ke6 40. Bd1 e4 41. Bxh5 f5 42. Be2 f6 43. Kd4 Kd6 44. Bc4 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.12"]
[White "Barros, Jose"]
[Black "Duarte, Fernando Pires"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2080"]
[BlackElo "2285"]
[Annotator "Stock fish 16"]
[PlyCount "72"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc4 g6 6. Nc3 Bg7
7. f4 O-O 8. Be3 ({RR} 8. Nf3 Qa5 9. Bd2 Nc6 10. Bb3 Bg4 {1/2-1/2 (10)
Ljubojevic,L (2590)-Miles,A (2220) London 1980}) ({RR} 8. f5 Nc6 9. fxg6 hxg6
10. Nde2 Ne5 11. Bb3 Qb6 12. h3 Be6 13. Bg5 Nc4 14. Qd3 Nxb2 15. Qe3 Qxe3 16.
Bxe3 Nc4 17. Bxc4 Bxc4 18. O-O Nd7 19. Rf2 Bxe2 20. Rxe2 Bxc3 21. Rb1 b6 22.
Bg5 Bf6 {efranklin (2015)-Rangel,D (2330) lichess.org 2020 0-1 (71)}) 8... a6
$146 ({RR} 8... Ng4 9. Bg1 e5 10. fxe5 Nxe5 11. Bb3 Nbc6 12. Qd2 Qh4+ 13. Bf2
Qg4 14. Rg1 Qh5 15. Nxc6 bxc6 16. Qxd6 Ba6 17. Qc5 Rfd8 18. Qe3 Bh6 19. g4 Bxe3
20. gxh5 Nf3# {0-1 (20) Callejon,G-Ruiz Saiz,A Monzon 1987}) 9. Qf3 Qc7 10. Bb3
Nbd7 11. f5 Ne5 12. Qg3 b5 13. fxg6 hxg6 14. Bg5 Qc5 15. O-O-O Bg4 16. Rd2 Nd3+
17. cxd3 Qxg5 18. Nf3 Qh5 19. h3 Bh6 20. Nh4 Bxd2+ 21. Kxd2 b4 22. Nd5 Nxd5 23.
Bxd5 Qh6+ 24. Ke1 Rac8 25. Bc4 Rxc4 26. dxc4 Qc1+ 27. Kf2 Qxh1 28. Qxg4 e6 29.
Nxg6 fxg6+ 30. Kg3 Qe1+ 31. Kh2 Rf6 32. h4 Qe3 33. b3 Qf4+ 34. Qxf4 Rxf4 35. e5
Rxh4+ 36. Kg3 Rd4 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.13"]
[White "Loureiro, Luiz R Vasconcelos"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2210"]
[BlackElo "2289"]
[Annotator "Stock fish 16"]
[PlyCount "83"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5
4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. O-O Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. c3
O-O 11. Bg5 Qc7 12. Bh4 Nf5 13. Bg3 Nxg3 14. hxg3 Rd8 ({RR} 14... Qb6 15. Qxd5
Bxg3 16. Qc5 Bc7 17. Bxc6 bxc6 18. Rfe1 Be6 19. Nfd4 Bxb3 20. Qxb6 Bxb6 21.
Nxb3 Rfe8 22. a4 Kf8 23. Kf1 h5 24. a5 Rxe1+ 25. Kxe1 Bd8 26. Nd4 Rc8 27. Ke2
c5 28. Nb5 c4 29. Ra4 {Nihal,S (2688)-Ponkratov,P (2608) Samarkand UZB 2023 1/
2-1/2 (60)}) 15. Bd3 h6 $146 ({RR} 15... g6 16. Qd2 a6 17. Rfe1 Bd7 18. Bc2 Bf8
19. Nbd4 Na5 20. Qg5 h6 21. Qxd5 Bf5 22. Qe5 Qxe5 23. Rxe5 Bxc2 24. Rxa5 Be4
25. Re5 Bd5 26. a4 Bg7 27. Re3 Re8 28. Rae1 Rxe3 29. Rxe3 Rd8 30. Ne5 {
Ljubicic,F (2409)-Shariyazdanov,A (2565) Rabac 2003 1/2-1/2 (55)}) 16. Bc2 Ne7
17. Nbd4 Bc5 18. Re1 Ng6 19. Qd3 Nf8 20. Re3 Bd7 21. b4 Bb6 22. Bb3 Be6 23.
Rae1 Rac8 24. Nh4 a5 25. a3 Qd7 26. g4 Bxg4 27. Re7 Qd6 28. Nhf5 Qf6 29. R7e5
Ng6 30. Ne7+ Nxe7 31. Rxe7 Bc7 32. Rxc7 Rxc7 33. Qg3 Rdc8 34. Qxg4 Rxc3 35. Re3
Rc1+ 36. Kh2 h5 37. Qxh5 Qxd4 38. Bxd5 Qf4+ 39. Rg3 Rf1 40. Qg6 Qh4+ 41. Rh3
Qf4+ 42. Rg3 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.13"]
[White "Martinoli, Eduardo"]
[Black "Segal, Alexandru Sorin"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2035"]
[BlackElo "2274"]
[Annotator "Stock fish 16"]
[PlyCount "140"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3
Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. e4 d6 7. Re1 Nbd7 8. Nbd2 Be7 9.
Nf1 O-O 10. h4 Ne5 11. N3h2 $146 ({RR} 11. N1h2 Qc7 12. Bd2 Rad8 13. a4 Nxf3+
14. Nxf3 b4 15. Qe2 Nd7 16. Ng5 h6 17. Nh3 Bf6 18. Rab1 e5 19. Qg4 Kh7 20. Qh5
Be7 21. g4 Nf6 22. Qf5+ g6 23. Qf3 d5 24. Bxh6 Kxh6 25. g5+ Kg7 {Kratochvil,V 
(2077)-Krejci,J (2528) Olomouc 2014 0-1 (39)}) 11... Qc7 12. f4 Nc6 13. g4 Nd7
14. g5 Rae8 15. Ne3 Nb6 16. f5 Ne5 17. Rf1 exf5 18. Nxf5 Bd8 19. Bf4 Bc8 20.
Ng4 Kh8 21. Nge3 f6 22. d4 cxd4 23. Qxd4 Bxf5 24. Nxf5 Nc8 25. Kh1 fxg5 26.
hxg5 Qf7 27. Qf2 Qh5+ 28. Qh4 Qxh4+ 29. Nxh4 Nf7 30. Nf5 Bxg5 31. Bg3 Bf6 32.
c3 Be5 33. Bf2 Ng5 34. Rad1 Ne6 35. Be3 a6 36. Rd2 g6 37. Nh6 Rxf1+ 38. Bxf1
Kg7 39. Rf2 Bf4 40. Bxf4 Nxf4 41. Rxf4 Kxh6 42. a4 bxa4 43. Bxa6 Nb6 44. Rf6
Rxe4 45. Rxd6 Nc4 46. Bxc4 Rxc4 47. Ra6 Kg5 48. Kg2 h5 49. Kg3 h4+ 50. Kh3 Kh5
51. Ra8 g5 52. Rh8+ Kg6 53. Rg8+ Kf5 54. Rf8+ Ke5 55. Ra8 Re4 56. Re8+ Kf5 57.
Rf8+ Kg6 58. Rg8+ Kf6 59. Rf8+ Kg7 60. Rb8 Re3+ 61. Kh2 Kg6 62. Rb4 Re2+ 63.
Kg1 Kh5 64. Rxa4 Rxb2 65. Rd4 h3 66. c4 Rc2 67. Kh1 g4 68. Rd5+ Kh4 69. Rd4 h2
70. Rd8 Kg3 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.15"]
[White "Cajal, Andre"]
[Black "Rocha, Antonio Cavilhas"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2002"]
[BlackElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "231"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 b6 2. Bb2 Bb7 3. e3
e6 4. f4 Nf6 5. Nf3 Be7 6. Be2 d6 7. O-O Nbd7 ({RR} 7... c5 8. a4 Nbd7 9. a5
bxa5 10. Qe1 O-O 11. Qg3 d5 12. d3 d4 13. Nbd2 Qc7 14. Nc4 dxe3 15. Nfe5 Bd5
16. Nxd7 Qxd7 17. Nxe3 Rfd8 18. Rxa5 g6 19. f5 exf5 20. Rxf5 Qe6 21. Nxd5 Rxd5
22. Rf2 {Gabdushev,R (2256)-Joel Paul Ganta (1974) chess.com INT 2023 0-1}) 8.
Qe1 O-O 9. Qg3 Re8 10. c4 $146 ({RR} 10. d3 Bf8 11. Nbd2 d5 12. Ne5 g6 13. Ndf3
Bg7 14. Ng5 Rf8 15. Qh4 h6 16. Ngf3 c5 17. g4 Nxe5 18. fxe5 Nd7 19. g5 Rc8 20.
Qf4 h5 21. Ne1 d4 22. exd4 cxd4 23. Bxd4 Rc5 24. Bxc5 Bxe5 {Mahdavirad,M (2228)
-Guliev,L (2401) Lahijan 2005 0-1 (52)}) ({RR} 10. d3 Bf8 11. Nbd2 g6 12. Ng5
Bg7 13. Qh3 h6 14. Ngf3 Nd5 15. Bxg7 Kxg7 16. Ne1 Qf6 17. d4 c5 18. c4 Nc3 19.
Bf3 Bxf3 20. Nexf3 cxd4 21. Nxd4 Nc5 22. Qf3 d5 23. Rfc1 N3e4 24. Qe2 e5 {
Gros,P (2043)-Maleki,N France 1998 0-1 (32)}) 10... Bf8 11. Qh3 e5 12. f5 e4
13. Ne1 h6 14. g4 Nh7 15. Qg3 Be7 16. Ng2 Bf6 17. Bxf6 Qxf6 18. Nc3 Qe5 19. Rf4
a6 20. Raf1 Bc6 21. h4 f6 22. Ne1 Ndf8 23. h5 Ng5 24. Nc2 Bb7 25. Nd4 Kh8 26.
Nc2 c5 27. Kh2 Bc6 28. Ne1 b5 29. R4f2 bxc4 30. Qxe5 Rxe5 31. bxc4 Rb8 32. Bd1
Re7 33. Kg3 Nd7 34. Ng2 Ne5 35. Nf4 Reb7 36. Ng6+ Kh7 37. Nxe5 dxe5 38. Bb3 Rb4
39. Rc1 Nf7 40. Nd5 Bxd5 41. cxd5 Rc8 42. Bc4 Nd6 43. Bxa6 Ra8 44. Bf1 c4 45.
Rc2 Rba4 46. Re2 Rxa2 47. Rc1 R8a5 48. Ree1 Rxd2 49. Bxc4 Ra3 50. Bf1 Nf7 51.
Ra1 Rc3 52. Rac1 Rxc1 53. Rxc1 Rxd5 54. Rc7 Nd6 55. Rc3 Rd2 56. Rc1 Kg8 57. Ra1
Rc2 58. Ra6 Nb7 59. Ra8+ Kh7 60. Ra3 Nc5 61. Bb5 Rd2 62. Ra8 Nb7 63. Bc6 Nd8
64. Bxe4 Rd7 65. Ra6 Kg8 66. Bc2 Kf8 67. Rb6 Ra7 68. Be4 Ra5 69. Kf3 Ke7 70.
Rb1 Rc5 71. Ra1 Nf7 72. Ra7+ Ke8 73. Kf2 Nd6 74. Bb1 Rb5 75. Ba2 Kd8 76. Be6
Rb7 77. Ra4 Kc7 78. Bd5 Rb5 79. Bf3 Kb6 80. Ra2 Rb4 81. Rd2 Kc7 82. Rc2+ Rc4
83. Ra2 e4 84. Be2 Rb4 85. Rc2+ Kd7 86. Ra2 Nc8 87. Kg3 Nb6 88. Ra7+ Kd6 89.
Rxg7 Nd5 90. g5 Nxe3 91. gxh6 Nxf5+ 92. Kf4 Nxh6 93. Rg6 e3+ 94. Kxe3 Nf5+ 95.
Kd3 Ke5 96. Rg4 Rb3+ 97. Kd2 Rh3 98. Rg2 Nd4 99. Bd1 f5 100. Rg8 Rh2+ 101. Kd3
Ne6 102. Rh8 Kf4 103. Re8 Nc5+ 104. Kc4 Ne4 105. Rh8 Ke3 106. Ra8 Rh1 107. Ra3+
Kf4 108. Be2 Nf6 109. Ra5 Rh2 110. Bd3 Ne4 111. Kd4 Rh3 112. h6 Rh2 113. h7
Rxh7 114. Rxf5+ Kxf5 115. Bxe4+ Kf4 116. Bxh7 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.16"]
[White "Teixeira, Ricardo da Silva"]
[Black "Sampaio, Francisco"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2021"]
[BlackElo "2062"]
[Annotator "Stock fish 16"]
[PlyCount "160"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4
c5 3. Nc3 b6 4. g3 Bb7 5. Bg2 e6 6. O-O Be7 7. b3 O-O 8. Bb2 d6 9. d4 Nbd7 10.
d5 exd5 11. cxd5 a6 12. e4 Re8 13. Re1 Bf8 14. Nd2 $146 ({RR} 14. a4 g6 15. Nd2
Bg7 16. Qc2 Qc7 17. f4 Ng4 18. Na2 Bxb2 19. Qxb2 b5 20. h3 Nh6 21. Nc3 c4 22.
b4 bxa4 23. Kh2 Nb6 24. Rec1 Rac8 25. Qc2 f5 26. Nxa4 Nxa4 27. Qxa4 c3 28. Ra3
c2 {Buckels,V (1829)-Soelter,R (2086) Lieme 2012 1-0 (37)}) ({RR} 14. a4 g6 15.
Qc2 Bg7 16. Nd2 h5 17. f4 h4 18. Bf3 Nf8 19. Nc4 N6h7 20. Qg2 Bd4+ 21. Kh1 hxg3
22. hxg3 Qf6 23. e5 dxe5 24. fxe5 Qg7 25. Nd1 Ng5 26. Bxd4 cxd4 27. Nd6 Rxe5
28. Rxe5 Qxe5 {Kauko,J (2225)-Johannessen,L (2240) Oslo 1996 0-1 (35)}) 14...
b5 15. a4 Qb6 16. a5 Qa7 17. Bf1 g6 18. Kg2 Bg7 19. Qc2 Re7 20. f3 Rae8 21.
Rec1 Ne5 22. h3 Ned7 23. Kh2 c4 24. bxc4 Qf2+ 25. Bg2 Bh6 26. Nf1 Qc5 27. Rd1
bxc4 28. Qe2 Ne5 29. Na4 Qxa5 30. Bxe5 Rxe5 31. Nb2 Qc7 32. Nxc4 R5e7 33. Qd3
Bg7 34. Rab1 Nd7 35. Rdc1 Nc5 36. Qe2 Bc8 37. Qa2 f5 38. Qa5 fxe4 39. Qxc7 Rxc7
40. Nxd6 Rf8 41. Nxe4 Bd4 42. d6 Rc6 43. Nxc5 Rxc5 44. Rxc5 Bxc5 45. Rd1 Rd8
46. f4 Rxd6 47. Rxd6 Bxd6 48. Bd5+ Kg7 49. Ne3 Kf6 50. Bg8 a5 51. Ba2 Bb7 52.
Kg1 Bc5 53. Kf2 Bc8 54. g4 Be6 55. Bb1 a4 56. Kf3 Bxe3 57. Kxe3 a3 58. Kd4 a2
59. g5+ Ke7 60. Bxa2 Bxa2 61. Ke5 Be6 62. h4 Bg4 63. Kd5 Bf5 64. Ke5 Be6 65.
Kd4 Kd6 66. Ke4 Bf5+ 67. Kf3 Kd5 68. Ke3 Be4 69. Kf2 Kd4 70. Kg3 Ke3 71. h5 Bf5
72. hxg6 hxg6 73. Kh4 Bd3 74. Kg4 Kf2 75. f5 Bxf5+ 76. Kh4 Bb1 77. Kg4 Kg2 78.
Kh4 Kf3 79. Kh3 Kf4 80. Kh4 Bc2 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.12"]
[Round "1.17"]
[White "Filguth, Rubens Alberto"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2350"]
[BlackElo "2030"]
[Annotator "Stock fish 16"]
[PlyCount "131"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 a6 5. Bxd7+ Qxd7 6.
O-O ({RR} 6. Nc3 cxd4 7. Qxd4 Nf6 8. Bg5 b5 9. O-O-O e5 10. Qd3 Bb7 11. Bxf6
gxf6 12. Nd5 Bxd5 13. Qxd5 Rc8 14. Kb1 Qe6 15. Nh4 Qxd5 16. Rxd5 Rg8 17. g3 Kd7
18. Nf5 Ke6 19. Rhd1 Rc6 20. f3 h5 {Santos Flores,A (2164)-Napoli,N (2231)
chess.com INT 2023 1-0 (31)}) 6... cxd4 7. Qxd4 Nf6 8. Nc3 $146 ({RR} 8. Bg5 h6
9. Bxf6 gxf6 10. c4 Rg8 11. Kh1 Rxg2 12. Nbd2 Rg4 13. Rg1 h5 14. Qe3 Qc6 15.
Nd4 Qc5 16. f3 Rg5 17. h4 Rxg1+ 18. Rxg1 Bd7 19. Rc1 Qe5 20. f4 Bh6 21. Rf1 Qc5
22. Qd3 b5 {Suleimen,E (2073)-Mamatov,M (2399) Almaty KAZ 2022 0-1 (50)}) 8...
e5 9. Qd3 b5 10. Bg5 Bb7 11. Rad1 Qc7 12. Bxf6 gxf6 13. Nh4 b4 14. Nd5 Bxd5 15.
Qxd5 Rc8 16. Rd2 Qc4 17. Qxc4 Rxc4 18. Re1 d5 19. Rxd5 Bc5 20. Re2 O-O 21. Nf5
Rc8 22. Kf1 Bf8 23. Ke1 Rxc2 24. Rxc2 Rxc2 25. Rd2 Rc1+ 26. Ke2 h5 27. h4 b3
28. axb3 Bb4 29. Rd8+ Kh7 30. Ne3 Rb1 31. Nc4 Rc1 32. Rd1 Rc2+ 33. Kf3 Kg6 34.
Ra1 a5 35. Rd1 a4 36. Ne3 Rxb2 37. bxa4 Ra2 38. Rc1 Ba5 39. Rc4 Be1 40. Nc2 Bd2
41. Ke2 Ba5 42. Kd1 Rb2 43. Kc1 Rb3 44. Ne3 Be1 45. Kc2 Rb7 46. Nf5 Bxf2 47.
Rc8 Rb4 48. Kd3 Rxa4 49. Rh8 Rd4+ 50. Nxd4 Bxd4 51. Ke2 Bb2 52. Rg8+ Kh7 53.
Rc8 Ba3 54. Kf3 Bb4 55. Kg3 Kg6 56. Rc6 Bd2 57. Kh3 Bf4 58. Ra6 Be3 59. Kg3 Bd2
60. Kf2 Bf4 61. Rd6 Bh6 62. Kf3 Kg7 63. g4 hxg4+ 64. Kxg4 Kg6 65. h5+ Kg7 66.
Kf5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.13"]
[Round "2.2"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Machado, Hermes Amilcar"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2395"]
[BlackElo "2286"]
[Annotator "Stock fish 16"]
[PlyCount "65"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 b6 5. Bg2 Bb7 6. O-O O-O 7. c4 e6 8.
Nc3 d5 ({RR} 8... Na6 9. e3 Qe7 10. Qe2 c5 11. d4 d5 12. Ne5 Rfd8 13. Rfd1 cxd4
14. exd4 dxc4 15. bxc4 Bxg2 16. Kxg2 Qb7+ 17. Qf3 Qxf3+ 18. Kxf3 Rdc8 19. Rac1
Bh6 20. Rc2 Nb4 21. Re2 Nc6 22. Nxc6 Rxc6 23. d5 {Artemiev,V (2708)-Carlsen,M 
(2862) chess.com INT 2020 1-0 (54)}) 9. d4 Qe7 ({RR} 9... c5 10. Rc1 Nc6 11.
dxc5 bxc5 12. Na4 Qe7 13. cxd5 Rfd8 14. Qc2 Nb4 15. Qxc5 Qxc5 16. Nxc5 Bxd5 17.
a3 Nc6 18. b4 Rac8 19. Rfd1 Ne7 20. Ne1 Bxg2 21. Kxg2 Nfd5 22. Bxg7 Kxg7 23.
Ned3 Nc6 24. Nf4 {Yaran,S (2272)-Garrido Diaz,J (2291) chess.com INT 2023 0-1 
(45)}) 10. Qc1 $146 ({RR} 10. Rc1 Rd8 11. Qc2 dxc4 12. bxc4 c5 13. dxc5 Qxc5
14. Na4 Qe7 15. Rfd1 Na6 16. Qb3 Rac8 17. Rxd8+ Rxd8 18. Ba3 Qe8 19. Nc3 Ne4
20. Nxe4 Bxe4 21. Qb5 Bh6 22. Qxe8+ Rxe8 23. Rd1 Bf8 24. Bxf8 Kxf8 {Stoyanov,T
(2396)-Yoo,C (2485) chess.com INT 2021 0-1 (48)}) ({RR} 10. Ne5 c5 11. dxc5
bxc5 12. Nd3 Na6 13. cxd5 exd5 14. Rc1 Rac8 15. Ba3 Ne4 16. Na4 Rfd8 17. Qe1 h5
18. Qa5 Bd4 19. e3 Nxf2 20. Nxf2 Bxe3 21. Rce1 d4 22. Bxb7 Qxb7 23. Bc1 Re8 24.
Bxe3 dxe3 {Demuth,A (2510)-Paravyan,D (2627) Skopje MKD 2019 1-0 (41)}) 10...
Rc8 11. Ne5 c5 12. dxc5 bxc5 13. Na4 d4 14. f3 Nfd7 15. Nd3 Nb6 16. Nxb6 axb6
17. a4 e5 18. e4 dxe3 19. Qxe3 Nc6 20. Rae1 Re8 21. f4 Nd4 22. Bxb7 Qxb7 23.
fxe5 Nxb3 24. Nf4 Na5 25. Qc1 Nc6 26. Nd5 Nxe5 27. Qf4 Nd3 28. Rxe8+ Rxe8 29.
Qf3 Nxb2 30. Nf6+ Bxf6 31. Qxb7 Re7 32. Qb8+ Kg7 33. Rxf6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Mercadante, Ricardo Rodrigues"]
[Black "Martinoli, Eduardo"]
[Result "1-0"]
[ECO "E63"]
[Annotator "Stock fish 16"]
[PlyCount "69"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. O-O Nf6 5. d4 O-O 6. c4 Nc6 7. Nc3 a6 8. Re1
Rb8 9. a4 Bd7 ({RR} 9... Bg4 10. h3 Bxf3 11. Bxf3 Nd7 12. e3 e5 13. d5 Ne7 14.
a5 f5 15. e4 f4 16. Kg2 Nf6 17. h4 h5 18. gxf4 exf4 19. Bxf4 Ng4 20. Bg3 Ne5
21. Be2 Bh6 22. Rh1 Bf4 23. Rh3 Qd7 24. Qg1 {Erigaisi,A (2567)-Aronian,L (2781)
chess.com INT 2021 1/2-1/2 (55)}) ({RR} 9... Bg4 10. Be3 Qc8 11. Qc1 Bxf3 12.
Bxf3 Na5 13. Rb1 Nxc4 14. Bg5 c6 15. e4 e5 16. Bxf6 Bxf6 17. d5 a5 18. b3 Nb6
19. Qe3 Qd8 20. Red1 Bg5 21. Qd3 c5 22. Bg4 Nc8 23. Bxc8 Rxc8 24. Nb5 {
Rahtkens,K-Boehme,A (2153) Kiel GER 2023 0-1 (43)}) 10. e4 $146 ({RR} 10. Rb1
a5 11. e4 e5 12. dxe5 Nxe5 13. b3 Nfg4 14. Nd4 c6 15. Be3 f5 16. exf5 Nxe3 17.
fxe3 Bxf5 18. e4 Bg4 19. Nf3 Nxf3+ 20. Bxf3 Bxf3 21. Qxf3 {0-1 (21) Sola
Sendra,F (1845)-Amoros Moran,J (1984) Benidorm 2011}) ({RR} 10. Rb1 e5 11. d5
Ne7 12. b3 Ne8 13. e4 f5 14. Ng5 h6 15. Ne6 Bxe6 16. dxe6 Qc8 17. exf5 gxf5 18.
Nd5 Qxe6 19. Qh5 Kh7 20. g4 Nxd5 21. Bxd5 Qg6 22. Qxg6+ Kxg6 23. gxf5+ Kxf5 24.
Be4+ Kf6 {Cornea,A (1926)-Liebl,K (1783) Miercurea Ciuc 2010 1/2-1/2}) 10...
Na5 11. Bf1 Bg4 12. Be3 Qd7 13. b4 Nc6 14. Rb1 Nh5 15. Be2 f5 16. exf5 Bxf5 17.
Rb3 Nf6 18. d5 Nd8 19. Nd4 Bh3 20. f3 e5 21. dxe6 Nxe6 22. Qd2 Rbe8 23. g4 h5
24. g5 Nh7 25. Nxe6 Qxe6 26. Nd5 Qd7 27. a5 c6 28. Nb6 Qe7 29. b5 Rf5 30. f4
Ref8 31. bxc6 bxc6 32. Bd3 Nxg5 33. fxg5 Qxe3+ 34. Qxe3 Bd4 35. Bxf5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Pereira, Fernando"]
[Black "Lima, Nelson Villaboim"]
[Result "1-0"]
[ECO "B33"]
[Annotator "Stock fish 16"]
[PlyCount "49"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 Be6 9. Nc4 Rc8 10. Bxf6 gxf6 11. Ne3 Na5 $146 ({RR} 11... Nd4 12. Bd3 Bh6
13. O-O O-O 14. Ncd5 f5 15. exf5 Bxd5 16. Nxd5 f6 17. c3 Nc6 18. Qh5 Bg7 19.
Bc4 Kh8 20. Rad1 Ne7 21. Ne3 Qb6 22. Rd2 {1-0 (23) Dely,P-Flesch,J Budapest
1965}) ({RR} 11... Nd4 12. Bd3 Bh6 13. O-O Rg8 14. Ncd5 Rg6 15. c3 Nc6 16. f4
exf4 17. Nxf4 Bxf4 18. Rxf4 Ne5 19. Nd5 Bxd5 20. exd5 Qb6+ 21. Kh1 Qxb2 22.
Bxg6 hxg6 23. Rxf6 Rxc3 24. Rxd6 Rc2 25. Rb1 Qxa2 26. Qe1 {Atabayew,S (2425)
-Corrales Jimenez,F (2532) lichess.org INT 2021 0-1 (34)}) ({RR} 11... Nd4 12.
Bd3 Rg8 13. O-O Bh6 14. Ncd5 Kf8 15. c3 Nc6 16. Qh5 Bg7 17. f4 Ne7 18. Rf3 Bxd5
19. Nxd5 Nxd5 20. exd5 Qb6+ 21. Rf2 h6 22. fxe5 dxe5 23. Raf1 Ke7 24. a3 Qe3
25. Qd1 Rgd8 26. c4 {Larsen,F-Johnsen,H Tromsoe 1968 1-0 (41)}) 12. Ncd5 Bxd5
13. Nxd5 Nc4 14. Bxc4 Rxc4 15. Qe2 Rc6 16. c3 h5 17. O-O Be7 18. Rad1 Qc8 19.
Ne3 Kd7 20. Rd3 Kc7 21. Nd5+ Kd7 22. Rf3 Qd8 23. Rf5 h4 24. Qg4 Rg8 25. Rg5+
1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Segal, Alexandru Sorin"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "A00"]
[Annotator "Stock fish 16"]
[PlyCount "120"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 ({RR} 6. Nxc6 bxc6
7. Bg2 Rb8 8. O-O h5 9. h4 Nh6 10. Qd3 O-O 11. b3 d5 12. Bb2 Ng4 13. e4 Qa5 14.
Na4 Ba6 15. Qf3 Bxf1 16. Bxf1 e6 17. Bxg7 Kxg7 18. Nc3 Rfd8 19. Rd1 Ne5 20. Qe3
d4 {Vidyarthi,V (2090)-Le Quang Liem (2709) lichess.org INT 2020 0-1}) ({RR} 6.
e3 Nf6 7. Bg2 O-O 8. O-O a6 9. b3 Qc7 10. Bb2 d6 11. Nce2 Bd7 12. c4 Rad8 13.
Rc1 Qa5 14. Bc3 Qh5 15. Nf4 Qxd1 16. Rfxd1 e5 17. Nxc6 bxc6 18. Rxd6 Ne8 19.
Rxd7 Rxd7 20. Bxc6 Rd6 {Remizov,Y (2388)-Manelyuk,D (2309) chess.com INT 2022
1-0 (79)}) 6... Nf6 7. Nxc6 $146 ({RR} 7. h3 O-O 8. Bg2 Ne5 9. O-O Nc4 10. Bc1
Qa5 11. Qd3 Ne5 12. Qb5 Qc7 13. a4 a6 14. Qb3 Nc6 15. Qc4 e5 16. Nb3 d6 17. Bg5
Be6 18. Qh4 Nd7 19. a5 f6 20. Be3 Rae8 21. Nd5 Qc8 {Gromsch,N-Kurth,J (2320)
Schleswig Holstein 1991 0-1 (32)}) ({RR} 7. Bg2 Ng4 8. O-O Nxe3 9. fxe3 O-O 10.
Kh1 Ne5 11. Qe1 Ng4 12. Nd1 Nxe3 13. Nxe3 Bxd4 14. Qc1 Qb6 15. Nd5 Qd8 16. Qf4
Bg7 17. Rad1 d6 18. Qh4 Re8 19. g4 h6 20. Rd3 Be6 21. Qf2 Rf8 {Levadi,D-Walker,
L (2165) Detroit 1994 1/2-1/2 (35)}) 7... bxc6 8. Bg2 O-O 9. O-O Qa5 10. Bd4
Rb8 11. a3 Rxb2 12. Ne4 Nxe4 13. Bxe4 Rb7 14. Bxg7 Kxg7 15. Qd4+ e5 16. Qd6 Qc7
17. Qd2 d5 18. Bd3 Rb6 19. e3 Bh3 20. Rfe1 Rfb8 21. Qc3 f6 22. Qc5 R6b7 23.
Rad1 Bg4 24. Rc1 Bf3 25. Bf1 Qe7 26. Qa5 Rb5 27. Qa6 Qd7 28. Qa4 Rb2 29. Bg2
Bxg2 30. Kxg2 c5 31. Qa5 R8b5 32. Qa4 c4 33. Red1 Qb7 34. Kg1 e4 35. Rd4 a5 36.
Rcd1 f5 37. h4 Kf6 38. Kg2 Qf7 39. R1d2 Ke5 40. Rd1 Qe6 41. R1d2 Qc8 42. Rd1 h6
43. c3 h5 44. R1d2 R2b3 45. Rd1 Rc5 46. R1d2 Rcb5 47. Rd1 Qe6 48. R1d2 Qe7 49.
Rd1 Qc5 50. R1d2 Ke6 51. Ra2 Kd6 52. Rdd2 Qc6 53. Rdc2 Rb8 54. Qxc6+ Kxc6 55.
a4 Rb1 56. g4 fxg4 57. Kg3 Rf8 58. Rcb2 Rf3+ 59. Kg2 Rxb2 60. Rxb2 g3 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Papaleo, Lisandro"]
[Black "Teixeira, Ricardo da Silva"]
[Result "1/2-1/2"]
[ECO "A29"]
[Annotator "Stock fish 16"]
[PlyCount "86"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O e4 7. Ng5 Bxc3 8.
bxc3 Re8 9. f3 exf3 10. exf3 d5 11. cxd5 Nxd5 12. f4 $146 ({RR} 12. Ne4 Bf5 13.
Qb3 Na5 14. Qa4 c6 15. Ba3 b5 16. Qd4 Nc4 17. Bc5 Ndb6 18. Qf2 Qd3 19. Bd4 Rad8
20. Rfd1 Na4 21. Bf1 Qc2 22. Rdc1 {1/2-1/2 (22) Schmidt,A-Barth,A (2245)
Germany 1997}) 12... h6 13. Nxf7 Kxf7 14. Qh5+ g6 15. Bxd5+ Kg7 16. Qf3 Bh3 17.
Bb2 Bxf1 18. c4+ Kh7 19. Rxf1 Qd7 20. Qd3 Qf5 21. Qc3 Re7 22. d3 Rd8 23. Rf2
Qh3 24. Re2 Qd7 25. Re4 Rxe4 26. dxe4 Nb8 27. Qf6 c6 28. f5 gxf5 29. exf5 Rg8
30. Bxg8+ Kxg8 31. Qh8+ Kf7 32. Qg7+ Ke8 33. Qg8+ Ke7 34. Ba3+ Kf6 35. Qf8+ Kg5
36. Bc1+ Kg4 37. h3+ Kxg3 38. Qa3+ Kh4 39. Qf3 Qg7+ 40. Kh2 Qe5+ 41. Bf4 Qb2+
42. Kg1 Qa1+ 43. Kg2 Qxa2+ 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Resende, Antonio Carlos"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "2375"]
[Annotator "Stock fish 16"]
[PlyCount "72"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e3 g6 2. c4 Bg7 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb4 7. d4 c5 8. Nge2
cxd4 9. exd4 Bxd4 10. Qa4+ $146 ({RR} 10. O-O Bg7 11. Qa4+ N4c6 12. Rd1 Bd7 13.
Qb3 Qc8 14. Bf4 O-O 15. Rac1 e5 16. Be3 Be6 17. Qa3 Rd8 18. Nb5 Bf8 19. Bc5
Rxd1+ 20. Rxd1 Nd4 21. Bxf8 Nxe2+ 22. Kh1 Nc6 23. Bh6 Ned4 24. Nd6 Qc7 {
Frank,A (2100)-Cesareo,F Geneve 1991 0-1 (40)}) 10... N4c6 11. Bh6 Bxc3+ 12.
Nxc3 Qd4 13. Qxd4 Nxd4 14. O-O-O Nf5 15. Nd5 Na6 16. Bd2 Be6 17. Bc3 Rc8 18.
Kb1 O-O 19. Nf4 Nc5 20. h4 Nd6 21. Rhe1 b6 22. h5 Nb5 23. Bb4 Bf5+ 24. Ka1 e6
25. hxg6 hxg6 26. a4 Nd4 27. Ka2 Nc2 28. Bxc5 bxc5 29. Rh1 Rb8 30. Rd7 Rb4 31.
Rb7 Rxb7 32. Bxb7 Rb8 33. Bf3 Rb4 34. b3 c4 35. bxc4 Rxa4+ 36. Kb3 Ra3+ 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Bere Filho, Romulo Fernando"]
[Black "Queiroz, Pedro Paulo S"]
[Result "1-0"]
[ECO "B47"]
[Annotator "Stock fish 16"]
[PlyCount "137"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nc6 7. Bg2 Nf6 8. O-O
Bb4 9. Nce2 ({RR} 9. Nde2 O-O 10. Bf4 Qd8 11. a3 Be7 12. Bd6 Ne8 13. e5 Bxd6
14. exd6 b5 15. Ne4 Qb6 16. b4 Ra7 17. Nc5 Ne5 18. Nc3 Qxd6 19. Qe2 Qc7 20.
Rfe1 d6 21. N5e4 Nc4 22. Rad1 Nxa3 23. Rd3 Nc4 {Martin,L (2135)-Prokofiev,V 
(2280) chess.com INT 2022 0-1}) 9... O-O ({RR} 9... Bc5 10. Bg5 b5 11. a4 Bb7
12. axb5 Nxd4 13. Nxd4 Qe5 14. Nf3 Qxb2 15. Rb1 Qa2 16. Ne5 d6 17. Bxf6 gxf6
18. Ng4 Qc4 19. bxa6 Bxa6 20. Nxf6+ Ke7 21. e5 dxe5 22. Bxa8 Qxf1+ 23. Qxf1
Bxf1 24. Ne4 {Vidit,S (2673)-Meskovs,N (2490) chess.com INT 2017 1/2-1/2 (62)})
10. c3 Be7 11. Bg5 $146 ({RR} 11. h3 d5 12. exd5 Nxd5 13. Nf4 Nxf4 14. Bxf4 e5
15. Nxc6 bxc6 16. Be3 Be6 17. Qc2 f5 18. f4 e4 19. b3 a5 20. Qf2 c5 21. Rfd1
Rfd8 22. Bf1 Bd5 23. Rxd5 Rxd5 24. Bc4 Rad8 25. Rd1 Kf8 {Jablonski,
M-Czechowski,P Bydgoszcz 2001 1-0 (32)}) ({RR} 11. f4 d5 12. exd5 Nxd5 13. f5
Nf6 14. fxe6 fxe6 15. Nxc6 bxc6 16. Qb3 Rb8 17. Qc4 Nd5 18. Nd4 Qb6 19. Rxf8+
Kxf8 20. Qxc6 Bc5 21. Qxb6 Nxb6 22. Be3 e5 23. Ne6+ Bxe6 24. Bxc5+ Kg8 25. Bd6
Re8 {El Idrissi,F-Konara,H (1825) Shenzhen 2011 1/2-1/2 (34)}) 11... h6 12. Be3
Rd8 13. Qb3 Na5 14. Qc2 d5 15. exd5 Nxd5 16. Bxd5 Rxd5 17. Rad1 b5 18. Nf4 Rd8
19. Nd3 e5 20. Nb3 Nxb3 21. axb3 Bf5 22. Qe2 Bh3 23. Rfe1 Qb7 24. f3 e4 25. Ne5
exf3 26. Qxf3 Qxf3 27. Nxf3 Bg4 28. Kf2 Bf6 29. b4 Rxd1 30. Rxd1 a5 31. bxa5
Rxa5 32. Rd5 Be6 33. Rd2 Bc4 34. Bd4 Bxd4+ 35. Nxd4 Ra2 36. Ke3 Kf8 37. b3 Rxd2
38. Kxd2 Bf1 39. Ke3 Ke7 40. Ke4 Bg2+ 41. Ke5 f6+ 42. Kf5 Bd5 43. Kg6 Kf8 44.
Kf5 Kf7 45. Nxb5 g6+ 46. Kf4 Bxb3 47. Ke4 Bc2+ 48. Kd5 f5 49. Ke5 Bb3 50. c4
Ke7 51. c5 Kd7 52. Nd4 Bf7 53. Kf6 Be8 54. Kg7 Ke7 55. Kxh6 Kf6 56. c6 g5 57.
c7 Bd7 58. Nf3 g4 59. Nh4 Bc8 60. Ng6 Bd7 61. Nf4 Ke5 62. Kg5 Bc8 63. Ng6+ Ke6
64. Kf4 Kd6 65. Nh4 Kxc7 66. Nxf5 Kd8 67. Kxg4 Ke8 68. Kg5 Kf8 69. Kf6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Quinteros, Miguel Angel"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2480"]
[Annotator "Stock fish 16"]
[PlyCount "43"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. O-O O-O 8. Re1
Qc7 9. e5 Nd7 10. Qe2 f6 11. exf6 Nxf6 12. Bh3 e5 13. Bxc8 Raxc8 14. Nxe5 Nd4
15. Qd1 Bd6 16. Nef3 Ng4 17. Nxd4 Nxf2 18. Ne6 Qb8 $146 ({RR} 18... Nh3+ 19.
Kg2 Rf2+ 20. Kxh3 Qf7 21. Qg4 Re8 22. Nf3 h5 23. Qxg7+ Qxg7 24. Nxg7 Rxe1 25.
Nxe1 Kxg7 26. Bg5 Kg6 27. Bh4 Be5 28. Rb1 b5 29. Be7 c4 30. Bc5 Rf7 31. d4 Bb8
32. Kg2 h4 33. Nf3 {Huber,M (1625)-Gibis,R (1955) Bayern 1998 1-0 (56)}) 19.
Qh5 Rf6 20. Nf1 Rcf8 21. Nxf8 Rxf8 22. Be3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Lemos, Jorge Joao"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "0-1"]
[ECO "C50"]
[Annotator "Stock fish 16"]
[PlyCount "94"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 c5 ({RR} 
7... a5 8. h3 Na6 9. Nc3 O-O 10. Be3 c6 11. O-O cxd5 12. cxd5 b6 13. a3 Nc5 14.
Bc2 Ba6 15. Re1 Ncd7 16. Rc1 b5 17. b4 Nb6 18. Bd3 axb4 19. axb4 Nc4 20. Bxc4
bxc4 21. b5 Bb7 22. Nd2 {Aroesti,R (2218)-Shinkarev,M (2327) Petah Tikva ISR
2019 1/2-1/2 (79)}) 8. Bg5 $146 ({RR} 8. Nc3 Nbd7 9. h3 Nf8 10. Bc2 Ng6 11.
Ba4+ Nd7 12. Ne2 Nh4 13. Nxh4 Bxh4 14. O-O O-O 15. Bxd7 Bxd7 16. a4 b6 17. Ra3
f5 18. exf5 Bxf5 19. f4 Bd7 20. fxe5 dxe5 21. Rxf8+ Qxf8 22. Rf3 Qd6 {Nunn,J 
(2500)-Hort,V (2600) London 1979 1/2-1/2}) ({RR} 8. Nc3 O-O 9. h3 Ne8 10. Be3
Na6 11. a3 Bd7 12. Qe2 f6 13. Nh2 g6 14. f4 Ng7 15. g4 exf4 16. Bxf4 Be8 17.
O-O Nb8 18. Nf3 Nd7 19. Qd2 Ne5 20. Nxe5 fxe5 21. Bh6 Bd7 22. Rxf8+ Qxf8 {
Kopylov,N-Alatortsev,V Leningrad (Russia) 1952 1-0 (48)}) 8... Nxd5 9. Bxe7
Nxe7 10. Nc3 Nbc6 11. Qd2 Nd4 12. Nxd4 cxd4 13. Ne2 O-O 14. f4 Nc6 15. f5 Qa5
16. Qxa5 Nxa5 17. g4 Bd7 18. h4 Rac8 19. b3 a6 20. g5 f6 21. Rg1 Kh8 22. Ng3
Be8 23. Kd2 Nc6 24. Be2 Ne7 25. Raf1 b5 26. cxb5 axb5 27. Rc1 Bc6 28. Bf3 g6
29. fxg6 hxg6 30. Rh1 fxg5 31. hxg5+ Kg7 32. Bg4 Ra8 33. Rc2 Rf2+ 34. Be2 Rg2
35. Nf1 Bxe4 36. Rc7 Rxe2+ 37. Kxe2 Rxa2+ 38. Nd2 Bxh1 39. Rxe7+ Kf8 40. Rh7
Bd5 41. Kd3 Rb2 42. Rd7 Bxb3 43. Rxd6 Ke7 44. Rb6 Bc2+ 45. Ke2 e4 46. Ke1 e3
47. Nf3 Bd3 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Pimenta, Jeronimo Marques"]
[Black "Brito, Vicente de Paulo Al"]
[Result "1-0"]
[ECO "D12"]
[Annotator "Stock fish 16"]
[PlyCount "75"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. b3 Bb4 ({RR} 6... Bd6 7.
Bb2 Nbd7 8. Bd3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Qe2 Qc7 12. e4 dxe4 13. Nxe4 Nxe4
14. Bxe4 Bxe4 15. Qxe4 Nf6 16. Qe2 Bf4 17. Kd1 O-O-O 18. Kc2 Rd7 19. Rad1 Rhd8
20. Rd3 a6 21. Rhd1 {Sunye Neto,J (2353)-UGEL05 (2286) lichess.org 2021 1-0 
(43)}) 7. Bd2 Ba3 ({RR} 7... O-O 8. Nh4 Bg6 9. Nxg6 hxg6 10. Bd3 Nbd7 11. a3
Bxc3 12. Bxc3 Ne4 13. Bxe4 dxe4 14. d5 exd5 15. cxd5 Nf6 16. dxc6 bxc6 17. Qe2
Nd5 18. Bd4 Qa5+ 19. b4 Qd8 20. h4 a5 21. h5 Qg5 22. hxg6 {Kalaiyalahan,A 
(2152)-Smirnov,T (2368) chess.com INT 2023 1-0 (58)}) 8. Nh4 Bb2 $146 ({RR} 
8... Bg6 9. Nxg6 hxg6 10. Qc2 Bd6 11. h3 Nbd7 12. Be2 Qe7 13. c5 Bc7 14. a3 a5
15. Qb2 e5 16. O-O Kf8 17. b4 Rh4 18. bxa5 Ra7 19. Rfe1 exd4 20. exd4 Rxd4 21.
Nxd5 Rxd5 22. Bf3 Rxd2 23. Qxd2 {Puchmayr,J (1380)-Zinner,B (1587) Germany
2007 0-1 (36)}) 9. Nxf5 Bxa1 10. Nxg7+ Kf8 11. Nxe6+ fxe6 12. Qxa1 Rg8 13. Qb1
Kg7 14. e4 Nbd7 15. e5 Ne8 16. cxd5 exd5 17. Qf5 Kh8 18. Bd3 Nf8 19. Qh3 Ng7
20. Ne2 Qd7 21. Qe3 Qf7 22. Ng3 Ng6 23. O-O Raf8 24. f4 Nh4 25. f5 Nh5 26. Bb4
Re8 27. e6 Qc7 28. Be1 Nf6 29. Qh6 Qe7 30. Qxh4 Rg4 31. Qh6 Reg8 32. Bb4 Qxb4
33. Qxf6+ R4g7 34. Qe5 Qd2 35. f6 Rg5 36. Qe2 Qxe2 37. Bxe2 c5 38. f7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Loureiro, Luiz R Vasconcelos"]
[Black "Cajal, Andre"]
[Result "1-0"]
[ECO "B08"]
[Annotator "Stock fish 16"]
[PlyCount "119"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. Bc4 Bg7 5. Nf3 O-O 6. h3 c6 7. a4 Nxe4 8. Nxe4
d5 9. Bd3 dxe4 10. Bxe4 Nd7 11. O-O c5 $146 ({RR} 11... e5 12. dxe5 Nxe5 13.
Nxe5 Bxe5 14. Bh6 Re8 15. Qxd8 Rxd8 16. Rad1 Be6 17. b3 a5 18. Be3 f5 19. Bf3
Bc7 20. Bd4 {1/2-1/2 (20) Kakabayaev,M (2303)-Fominykh,M (2267) Moscow 2016})
12. c3 cxd4 13. cxd4 Nf6 14. Bb1 b6 15. Bf4 Bb7 16. Ra3 Rc8 17. Re1 Nd5 18. Bg5
Qd6 19. Be4 e6 20. Qd2 Bh8 21. Bh4 f5 22. Bg3 Qd8 23. Bxd5 Bxd5 24. Be5 Bf6 25.
Rc3 Rxc3 26. Qxc3 Qa8 27. Bxf6 Rxf6 28. Ne5 Rf8 29. Qg3 Qb7 30. Rc1 Qg7 31. Qg5
Re8 32. h4 Qe7 33. Rc8 Kg7 34. Rxe8 Qxe8 35. h5 h6 36. Qxg6+ Qxg6 37. hxg6 Bb3
38. a5 bxa5 39. f4 Ba4 40. Kf2 Be8 41. Ke3 Bxg6 42. Kd3 Be8 43. Kc4 a6 44. Kc5
Bb5 45. Kd6 Kf6 46. g3 a4 47. Nd7+ Kf7 48. Nc5 Bc4 49. Nxa4 Kf6 50. Nb6 Bb3 51.
Nd7+ Kf7 52. Ke5 Ke7 53. Nc5 Bc4 54. Nb7 Bd5 55. Nd6 Bb3 56. d5 exd5 57. Nxf5+
Kf7 58. Nxh6+ Kg6 59. Nf5 Kh5 60. Ne3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Mascarenhas, Alberto Pinheiro"]
[Black "Barros, Jose"]
[Result "1-0"]
[ECO "A43"]
[Annotator "Stock fish 16"]
[PlyCount "57"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qc7 ({RR} 4... Nc6 5. Nf3 Nf6 6. Nc3 Bb4
7. Bd2 d5 8. cxd5 exd5 9. e3 O-O 10. Be2 Ne4 11. Nxe4 dxe4 12. Bxb4 Nxb4 13.
Nd4 Qg5 14. Qb3 a5 15. O-O-O Qxg2 16. Rhg1 Qxh2 17. Kb1 Qe5 18. Bc4 h5 19. Rg2
{Moiseenko,V (2501)-Ponkratov,P (2630) St Petersburg RUS 2018 0-1}) 5. e3 a6 ({
RR} 5... Nc6 6. Be2 Nf6 7. O-O Nxd4 8. Qxd4 Bc5 9. Qd3 h5 10. h3 b6 11. b4 Bxb4
12. Ba3 Bc5 13. Bxc5 bxc5 14. Nc3 Ba6 15. Ne4 Nxe4 16. Qxe4 O-O 17. Qh4 g6 18.
f4 Qd8 19. Qg3 Qf6 20. Rad1 {Rajdip Das (1769)-Shahil,D (2368) Shillong IND
2023 0-1 (52)}) 6. Nc3 Nc6 7. Be2 $146 ({RR} 7. b3 Nf6 8. Be2 Nxd4 9. Qxd4 Bc5
10. Qd3 b6 11. Bf3 Bb7 12. Bxb7 Qxb7 13. O-O O-O 14. Bb2 Rfd8 15. Rad1 Be7 16.
Rd2 Rab8 17. e4 d6 18. Rfd1 h5 19. f3 b5 20. Kh1 {1/2-1/2 (20) Albrecht,O 
(1998)-Keller,K (2133) Leverkusen 2004}) 7... Ne5 8. b3 d5 9. f4 Bb4 10. Bd2
Ng6 11. Nc2 Bc5 12. cxd5 Nf6 13. dxe6 Bxe6 14. Na4 Ba7 15. Rc1 Qd7 16. Bb4 Nd5
17. Bc5 b5 18. Bxa7 Qxa7 19. f5 bxa4 20. fxe6 fxe6 21. O-O Nxe3 22. Nxe3 Qxe3+
23. Kh1 axb3 24. Bxa6 Qb6 25. Qf3 Ra7 26. Rc6 Qb4 27. Rxe6+ Ne7 28. Qc6+ Rd7
29. Bb5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.06.13"]
[Round "2.1"]
[White "Sosonko, Gennadi"]
[Black "Braga, Cicero Nogueira"]
[Result "1-0"]
[ECO "A68"]
[WhiteElo "2575"]
[BlackElo "2108"]
[Annotator "Stock fish 16"]
[PlyCount "45"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

{[%evp 0,45,24,26,30,-3,56,59,37,33,33,9,25,24,-1,13,59,63,54,13,109,72,50,50,
50,12,86,86,74,58,99,108,82,149,309,119,105,211,211,211,211,195,299,174,215,
215,320,282]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5
e6 8. Be2 exd5 9. cxd5 b5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 f6 13. exf6 Bxf6 14.
Qd2 Bxg5 15. Nxg5 Qe7 16. d6 Qe3 17. O-O-O a6 18. Bf3 $146 ({RR} 18. Nd5 Qxd2+
19. Rxd2 Ne5 20. Ne7+ Kh8 21. Nxc8 Rxc8 22. h4 h6 23. Ne6 Nbd7 24. Rf1 c4 25.
Nc7 Ra7 26. Rd5 Kg8 27. Kb1 Rf8 28. g3 Rxf1+ 29. Bxf1 Kf7 30. Bh3 Kf6 31. Rd1
Nc5 32. Rf1+ Kg7 {Pospisil,E-Hlavac,F (2245) Czechia 1995 1-0 (58)}) 18... Ra7
19. Rhe1 Qxd2+ 20. Rxd2 Nf6 21. Nd5 Nxd5 22. Bxd5+ Kh8 23. Re7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Rocha, Antonio Cavilhas"]
[Black "Gaui, Roberto"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "115"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d4 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4
c6 9. b3 Re8 10. Bb2 exd4 11. Nxd4 Nc5 12. Re1 Qc7 ({RR} 12... Ng4 13. h3 Ne5
14. Re3 Qb6 15. Nc2 a5 16. Bf1 Be6 17. Rb1 a4 18. b4 Ncd7 19. Na3 Qxb4 20. Bc1
Qa5 21. f4 Nxc4 22. Nxc4 Bxc4 23. Bxc4 Bxc3 24. Rxb7 d5 25. Rxd7 dxc4 26. Qc2
Bf6 27. Qxc4 {Caruana,F (2816)-Grischuk,A (2766) Paris FRA 2018 1/2-1/2 (41)})
({RR} 12... Ng4 13. b4 Ne6 14. Nxc6 bxc6 15. Qxg4 Ng5 16. Qd1 Nh3+ 17. Kf1 Qb6
18. Qd3 Qxf2# {0-1 (18) Mizzi,J (2007)-Freitag,M (2349) chess.com INT 2023})
13. Qc2 Bd7 $146 ({RR} 13... Ne6 14. Nf3 Nd7 15. Rad1 Ne5 16. Qd2 Nxf3+ 17.
Bxf3 Nd4 18. Qd3 Nxf3+ 19. Qxf3 Be6 20. Rd2 Rad8 21. Ne2 Bxb2 22. Rxb2 d5 23.
cxd5 cxd5 24. Nf4 dxe4 25. Qxe4 Bxb3 26. Qxe8+ Rxe8 27. Rxe8+ Kg7 28. Ree2 {
Aksoy,A (1758)-Dogan,S (1737) Kocaeli 2015 1/2-1/2 (37)}) 14. h3 Re7 15. b4 Ne6
16. Nf3 Rae8 17. Rad1 Nf8 18. Re2 Nxe4 19. Rxe4 Rxe4 20. Nxe4 Bxb2 21. Nxd6 Re6
22. Nxb7 Bf6 23. Nc5 Re8 24. Nd4 Bxd4 25. Rxd4 Re1+ 26. Kh2 Bf5 27. Qd2 Qe5 28.
Qf4 Qxf4 29. Rxf4 Ra1 30. a4 Rb1 31. b5 cxb5 32. cxb5 Ne6 33. Nxe6 Bxe6 34. Bc6
Rb2 35. Kg2 Kf8 36. g4 Ke7 37. Rd4 Ra2 38. g5 Ra3 39. f3 Ra2+ 40. Kg3 Ra3 41.
h4 Ra2 42. Kf4 Ra3 43. Ke5 Re3+ 44. Be4 Ra3 45. Rb4 Ra2 46. Bd5 Bxd5 47. Kxd5
Kd7 48. Rf4 Rd2+ 49. Kc5 Rc2+ 50. Kb4 Ke7 51. Ka5 Rc7 52. Rd4 f5 53. Ka6 Ke6
54. f4 h5 55. a5 Rc5 56. b6 axb6 57. axb6 Rc6 58. Kb5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Brito, Luismar Jorge"]
[Black "Gouveia, Carlos Eduardo"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "2405"]
[Annotator "Stock fish 16"]
[PlyCount "114"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. O-O d6 6. Nxd4 Nf6 7. Nc3 O-O 8.
Bf4 Bd7 9. Re1 Nxd4 10. Qxd4 Bc6 11. Rad1 Nh5 12. e5 $146 ({RR} 12. Bc1 Bg5 13.
Nd5 Bxc1 14. Rxc1 Bxd5 15. Qxd5 Nf4 16. Qf5 Ng6 17. Rcd1 Qc8 18. Qxc8 Raxc8 19.
g3 Ne5 20. Be2 Rcd8 21. f4 Nd7 22. Bf3 f6 23. Kf2 Rfe8 24. c4 a5 25. b3 Nc5 26.
Re3 Rd7 {Arsenie,C (2091)-Welling,G (2244) Fagernes NOR 2023 0-1 (46)}) 12...
Nxf4 13. Qxf4 Qb8 14. e6 fxe6 15. Qg4 Kh8 16. Bxe6 Qd8 17. f4 Bf6 18. Rd3 Bxc3
19. Rxc3 Qf6 20. f5 Rae8 21. h4 g6 22. fxg6 hxg6 23. Kh2 Kg7 24. h5 Rh8 25. Rg3
Rh6 26. Kg1 Rf8 27. Qxg6+ Rxg6 28. Rxg6+ Qxg6 29. hxg6 Kxg6 30. Bc4 Rf4 31.
Bd3+ Kf6 32. Re2 d5 33. Kh2 Bd7 34. Kg3 Rg4+ 35. Kf2 c5 36. Re3 c4 37. Be2 Rf4+
38. Bf3 d4 39. Ra3 Bc6 40. Rxa7 Rf5 41. b4 c3 42. Ke2 Bb5+ 43. Kd1 Re5 44. Rxb7
d3 45. Rc7 Ba4 46. Rxc3 dxc2+ 47. Kd2 Re7 48. Be2 Rd7+ 49. Bd3 Ke5 50. Kc1 Kd4
51. Ra3 Rg7 52. Bxc2 Bxc2 53. Kxc2 Kc4 54. g3 Kxb4 55. Rf3 Rc7+ 56. Kd2 Ra7 57.
a3+ Kc4 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Sampaio, Francisco"]
[Black "Farias, Sergio A"]
[Result "1/2-1/2"]
[ECO "A26"]
[Annotator "Stock fish 16"]
[PlyCount "87"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. Rb1 a5 8. a3
e5 9. d3 Re8 10. Nd2 Be6 11. Nd5 ({RR} 11. b4 axb4 12. axb4 d5 13. b5 Ne7 14.
cxd5 Nexd5 15. Bb2 Qd7 16. Nce4 Nxe4 17. Nxe4 Qe7 18. Qc1 Ra5 19. Nc3 Rd8 20.
Nxd5 Bxd5 21. Bc3 Ra2 22. Rb2 Bxg2 23. Kxg2 Qe6 24. Rxa2 Qxa2 25. Bd2 Rd7 {
Kotsur,P (2548)-Mamedyarov,S (2726) Astana 2012 0-1 (35)}) ({RR} 11. b4 axb4
12. axb4 d5 13. b5 Ne7 14. Qb3 dxc4 15. Nxc4 Nfd5 16. Ne4 b6 17. Bb2 f6 18. Ra1
Qd7 19. Rfd1 Rad8 20. d4 f5 21. Ng5 e4 22. f3 h6 23. Nxe6 Qxe6 24. Ne5 exf3 25.
Bxf3 g5 {Vivekananthan,A (2239)-Vantika,A (2286) lichess.org INT 2020 1-0 (35)}
) 11... Ra7 12. b4 $146 ({RR} 12. Nxf6+ Bxf6 13. Ne4 Bg7 14. Bg5 f6 15. Bd2 h6
16. Nc3 f5 17. Nd5 g5 18. e3 Ne7 19. f4 c6 20. Nxe7+ Rxe7 21. Bc3 Rf7 22. Qe2
a4 23. e4 fxe4 24. fxe5 exd3 25. Qxd3 Qb6+ 26. Kh1 dxe5 {Bergstrom,C (2350)
-Ernst,T (2355) Stockholm 1982 1-0 (55)}) 12... axb4 13. axb4 Nd4 14. e3 Nf5
15. b5 Nd7 16. Nb3 Ne7 17. Bd2 Bxd5 18. cxd5 b6 19. Qc2 Qa8 20. Ra1 Nc5 21.
Rxa7 Qxa7 22. Ra1 Qb7 23. e4 Ra8 24. Rxa8+ Qxa8 25. Nxc5 dxc5 26. Bh3 Nc8 27.
Bxc8 Qxc8 28. Qa4 h5 29. Kg2 h4 30. f3 hxg3 31. hxg3 Kh7 32. Qa1 Qe8 33. Qa4
Bh6 34. Bxh6 Kxh6 35. Kf2 Qd7 36. Qa8 Kg7 37. Qc6 Qe7 38. Ke2 Kh7 39. Kd2 Qg5+
40. Ke2 Qe7 41. Kd2 Qg5+ 42. Ke2 Qe7 43. Kd2 Qg5+ 44. Kc2 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Duarte, Fernando Pires"]
[Black "Filguth, Rubens Alberto"]
[Result "0-1"]
[ECO "A17"]
[BlackElo "2350"]
[Annotator "Stock fish 16"]
[PlyCount "71"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 Bb7 5. Bd3 d6 6. Bc2 c5 7. d4 cxd4 8. Nxd4
Be7 9. O-O O-O 10. b3 Nc6 11. Bb2 Qd7 12. Kh1 a6 13. Nxc6 Bxc6 14. Qd3 b5 15.
cxb5 axb5 $146 ({RR} 15... Bxb5 16. Nxb5 Qxb5 17. Qd4 Rfd8 18. Bd3 Qe5 19. Qxe5
dxe5 20. Rad1 Nd7 21. g3 Bc5 22. Be2 f6 23. Kg2 a5 24. Bb5 Nb6 25. Rxd8+ Rxd8
26. Rc1 Bxf2 27. Kxf2 Rd2+ 28. Ke3 Rxb2 29. Rc6 Nd7 30. Rxe6 {Smejkal,J (2555)
-Petursson,M (2350) Reykjavik 1978 1-0 (39)}) 16. Nd5 exd5 17. exd5 g6 18. dxc6
Qxc6 19. Rac1 Nh5 20. Qe3 Qd7 21. Bb1 Rfe8 22. Qf3 Rad8 23. Rfd1 Bg5 24. Rc2
Qe6 25. h3 d5 26. g4 Nf6 27. Kg2 Ne4 28. Bd4 b4 29. Re2 Qc6 30. Bd3 Rd6 31.
Rde1 Rde6 32. Bxe4 dxe4 33. Qg3 Bf6 34. Bxf6 Rxf6 35. Re3 Rf3 36. Qh4 {time}
0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Resende, Antonio Carlos"]
[Result "1-0"]
[ECO "B01"]
[Annotator "Stock fish 16"]
[PlyCount "131"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Nf3 Bg4 7. h3 Bh5 8. g4
Bg6 9. Ne5 e6 10. f3 ({RR} 10. Bd2 Bb4 11. a3 Bxc3 12. Bxc3 Qc7 13. Bd2 Qb6 14.
c3 Nbd7 15. Nxd7 Kxd7 16. Qc1 h5 17. g5 Ne4 18. Bf4 h4 19. a4 Qa5 20. Be5 Qd8
21. Rg1 Rh5 22. Bf4 Qa5 23. Be2 Rh7 24. Qe3 Nd6 {Stefansson,H (2570)-Rogers,I 
(2529) Reykjavik 2001 1/2-1/2 (72)}) ({RR} 10. Bb3 Ne4 11. Nc4 Qc7 12. Qf3 Bb4
13. Bf4 Qd8 14. O-O-O Nxc3 15. bxc3 Be7 16. h4 h5 17. Rde1 O-O 18. gxh5 Bf5 19.
h6 g6 20. h5 g5 21. Be5 f6 22. Bg3 Kh7 23. Ne3 Ba3+ 24. Kd2 Qd7 {Padysak,T 
(2065)-Petreje,J (2106) Slovakia 2014 1-0 (32)}) 10... Nbd7 11. Qe2 $146 ({RR} 
11. Nxd7 Nxd7 12. h4 h5 13. Qe2 O-O-O 14. Bd2 Qc7 15. O-O-O Nb6 16. Bg5 Be7 17.
Bxe6+ Kb8 18. Bxe7 Qxe7 19. Bb3 Qf6 20. Qe5+ Qxe5 21. dxe5 Rxd1+ 22. Kxd1 Rd8+
23. Kc1 c5 24. Rg1 c4 25. Ba4 Nxa4 {Chokhonelidze,S (2067)-Lortkipanidze,N
Batumi 2003 1-0 (58)}) 11... Nxe5 12. dxe5 Bb4 13. Bd2 Nd5 14. Nxd5 exd5 15.
Bb3 Bxd2+ 16. Qxd2 Qxd2+ 17. Kxd2 O-O-O 18. Rae1 Rhe8 19. Rh2 h5 20. Rhe2 hxg4
21. hxg4 Rh8 22. e6 f6 23. Rg1 Rh3 24. f4 Be4 25. f5 Re8 26. c3 Rd3+ 27. Ke1
Rf3 28. Bc2 Bxc2 29. Rxc2 g6 30. Rf2 Rh3 31. Kd2 g5 32. Rgg2 Reh8 33. Kc2 Kd8
34. Rd2 Ke7 35. c4 Kd6 36. Rge2 R8h7 37. Re1 R3h4 38. cxd5 cxd5 39. Red1 Rh2
40. Kb1 Rxd2 41. Rxd2 Rh1+ 42. Kc2 Rg1 43. Rd4 Rg2+ 44. Kd1 Rh2 45. Rd2 Rh4 46.
Re2 Ke7 47. Rg2 Kd6 48. Ke2 b6 49. Kf2 Rh1 50. Kg3 Ra1 51. Re2 Ke7 52. Rh2 Rxa2
53. Rh7+ Ke8 54. Rf7 Rxb2 55. Rxf6 Re2 56. Rf7 a5 57. Rb7 Re4 58. Rxb6 Rf4 59.
Rb5 d4 60. Rxa5 Re4 61. Ra8+ Ke7 62. Rg8 d3 63. Rg7+ Kf8 64. Rd7 Re3+ 65. Kf2
Rh3 66. f6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Farias, Sergio A"]
[Black "Rocha, Antonio Cavilhas"]
[Result "1-0"]
[ECO "E60"]
[BlackElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "93"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 c5 5. c4 Nc6 6. Nc3 O-O 7. Nf3 d6 8. O-O
a6 9. d4 ({RR} 9. d3 Rb8 {1/2-1/2 (9) Antic,D (2485)-Popovic,D (2516) Palic
2014}) 9... Rb8 ({RR} 9... cxd4 10. Nxd4 Nxd4 11. Qxd4 Rb8 12. Rfd1 Be6 13.
Rac1 Qa5 14. Qd2 Qh5 15. Nd5 Bxd5 16. cxd5 Rfc8 17. h3 Qf5 18. g4 Qd7 19. Bd4
Rxc1 20. Rxc1 Rc8 21. Rxc8+ Qxc8 22. Qc3 Qxc3 23. Bxc3 Nd7 24. Bd2 {Davies,N 
(2354)-Flis,P (1948) Struga MKD 2023 1/2-1/2 (45)}) 10. dxc5 dxc5 11. Qxd8 $146
({RR} 11. Na4 Nd7 12. Bxg7 Kxg7 13. Qd2 Qc7 14. Rfd1 b6 15. Nc3 {1/2-1/2 (15)
Zabystrzan,P (2248)-Skacelik,P (2136) Czechia 2015}) ({RR} 11. Na4 Nd7 12. Bxg7
Kxg7 13. Ng5 Qc7 14. Qd5 Nd4 15. e3 e6 16. Qe4 Nf6 17. Qd3 Nf5 18. Qc3 e5 19.
f4 Re8 20. Rad1 h6 21. Ne4 Nxe4 22. Bxe4 Kg8 23. Rd5 exf4 24. Rxf4 b6 25. Qf6
Be6 {Wlodarczyk,O (2281)-Bernat,M (2111) Szklarska Poreba 2017 1/2-1/2 (51)})
11... Rxd8 12. Na4 Nd7 13. Bxg7 Kxg7 14. Rac1 b6 15. Rfd1 Nf8 16. Rxd8 Nxd8 17.
Ne5 f6 18. Rd1 Bf5 19. Nd3 Bd7 20. Nc3 Nc6 21. Nf4 Nd4 22. e3 Nf5 23. Nfd5 e6
24. Nc7 a5 25. Na6 Re8 26. Ne4 Bc8 27. Nc7 Re7 28. Na8 Rd7 29. Rxd7+ Nxd7 30.
Nc3 Nd6 31. Na4 b5 32. cxb5 Nxb5 33. Bc6 Nd6 34. Bxd7 Bxd7 35. Nxc5 Bc6 36.
Nxe6+ Kg8 37. Nb6 Ne4 38. Nd4 Be8 39. Nc4 a4 40. bxa4 Bxa4 41. Nb6 Bd1 42. a4
Nc5 43. a5 Kf7 44. f3 Ke8 45. Nd5 f5 46. Nc3 Ba4 47. a6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Quinteros, Miguel Angel"]
[Black "Pereira, Fernando"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2480"]
[Annotator "Stock fish 16"]
[PlyCount "61"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 e4 4. Ng5 b5 5. d3 bxc4 6. dxe4 Nc6 7. e3 Bb4 8.
Bxc4 O-O 9. O-O h6 10. Nf3 Bxc3 11. bxc3 Nxe4 12. Ba3 Re8 13. Qc2 Qf6 $146 ({RR
} 13... Na5 14. Bd5 Bb7 15. c4 Nf6 16. Bxb7 Nxb7 17. Rfd1 c5 18. Rab1 Qc7 19.
Bb2 Re6 20. Qf5 d6 21. Nh4 Rae8 22. Qf3 Na5 23. Rbc1 Rb8 24. Ba1 Rb4 25. Nf5
Ne8 26. Qe2 Qb7 27. h3 Qa6 28. Bc3 {Prosvirin,M-Zelkind,E Minsk (Belarus) 1978
1-0 (65)}) ({RR} 13... Ng5 14. Bd5 Bb7 15. Nxg5 Qxg5 16. c4 Rad8 17. Rad1 Ba8
18. f4 Qf6 19. Qd2 a5 20. e4 Nb4 21. Bxa8 Rxa8 22. e5 Qb6+ 23. Kh1 d6 24. exd6
Qxd6 25. Qc3 Qf6 26. Qxf6 gxf6 27. Bb2 Re2 28. Bxf6 {Sher,M (2450)-Liardet,F 
(2205) Geneve 1991 1/2-1/2 (128)}) 14. Bd5 Ng5 15. Nxg5 hxg5 16. f4 g4 17. e4
Rb8 18. e5 Qh6 19. Bc5 Ba6 20. Qf5 Re6 21. Rfb1 Rxb1+ 22. Rxb1 g6 23. Qxg4 Bd3
24. Bxe6 Bxb1 25. Bxf7+ Kxf7 26. Qxd7+ Kg8 27. Qc8+ Kh7 28. Qxc7+ Kg8 29. Qxc6
Qxf4 30. Qc8+ Kh7 31. Qb7+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Martinoli, Eduardo"]
[Black "Queiroz, Pedro Paulo S"]
[Result "1/2-1/2"]
[ECO "B47"]
[Annotator "Stock fish 16"]
[PlyCount "71"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 {Rogers,I} c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nc6 7.
O-O Nf6 8. Kh1 ({RR} 8. Be3) 8... Bb4 ({RR} 8... d6) 9. Nxc6 Qxc6 ({RR} 9...
dxc6 10. f4 e5 ({RR} 10... Bxc3 11. bxc3 Nxe4 12. Qd4 f5 ({RR} 12... Nf6 13.
Ba3) 13. Bh5+) ({RR} 10... O-O 11. e5) 11. fxe5 Bxc3 ({RR} 11... Qxe5 12. Bf4
Qe6 13. e5 Bxc3 14. exf6) 12. bxc3 Qxe5 13. Bf4 Qe6 ({RR} 13... Qxc3 14. Rf3
Qa5 15. Qd6 ({RR} 15. Rg3)) 14. Bg5 O-O ({RR} 14... Nd7 15. Bg4 Qg6 16. h4) 15.
Bxf6 gxf6 16. Qd4 Kg7 17. Rf4 Qe5 18. Raf1 c5 19. Qf2 ({RR} 19. Qe3) 19... Be6
20. Rh4 Rg8 21. Rh5 Qxc3 22. Rxc5 Qb2 23. Bd3 Kh8 24. Rh5 {Rogers,I (2575)
-Godena,M (2550) Yerevan 1996 CBM 055 [Rogers,I] 1-0} {RR} Rg5 25. Rxg5 fxg5
26. Qg3 Rg8 27. e5) ({RR} 9... bxc6 10. f4 d5) ({RR} 9... dxc6 10. Qd4 c5 11.
Qe3 e5 12. Qg3 Qe7 13. Nd5 Nxd5 14. exd5 O-O 15. a4 Ba5 16. Bc4 Bc7 17. Re1 Kh8
18. b3 Qd6 19. Bb2 f6 20. Rad1 Bf5 21. Bd3 Bxd3 22. Rxd3 b5 23. c4 Rab8 24.
axb5 {Ankerst,M (2052)-Duessler,S (2081) Germany 2017 1/2-1/2 (71)}) 10. e5
Bxc3 11. bxc3 Nd5 12. Bf3 $146 ({RR} 12. Ba3 b5 13. Bd6 Qxc3 14. a4 b4 15. Rb1
Bb7 16. Rb3 Qc6 17. Bf3 a5 18. Qd2 Qc4 19. Rc1 h6 20. Qd1 Rc8 21. Be2 Nc3 22.
Rxc3 Qxc3 23. Bb5 Bc6 24. Qg4 Qd2 25. Rg1 Qg5 26. Qd4 Qf5 {Tejedor Barber,
L-Gerona Maura,J Spain 1997 0-1 (63)}) 12... Qxc3 13. Rb1 O-O 14. Bxd5 exd5 15.
Bb2 Qc6 16. Bd4 b5 17. Rb3 d6 18. Rc3 Qd7 19. exd6 Qxd6 20. Bc5 Qf6 21. Rf3 Bg4
22. Rxf6 Bxd1 23. Rf5 Be2 24. Re1 Rfe8 25. a3 Bc4 26. Rfe5 Rxe5 27. Rxe5 Rc8
28. Bd4 Kf8 29. h3 Rc6 30. Kh2 f6 31. Re1 Kf7 32. Kg3 Ba2 33. c3 Bb3 34. Re2
Rc4 35. f3 Ra4 36. Bc5 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Teixeira, Ricardo da Silva"]
[Result "0-1"]
[ECO "A05"]
[Annotator "Stock fish 16"]
[PlyCount "42"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. Re1
e5 9. a4 h6 10. Nc4 Be6 11. Nfd2 ({RR} 11. c3 b6 12. Ne3 d5 13. exd5 Nxd5 14.
Nc4 Qc7 15. a5 b5 16. Ne3 a6 17. Ng5 hxg5 18. Nxd5 Bxd5 19. Bxd5 Rad8 20. Ba2
c4 21. Bxg5 Rxd3 22. Qg4 f5 23. Qe2 e4 24. Bb1 Ne5 25. Bf4 Nf3+ {Nakamura,H 
(2768)-Mitrabha,G (2510) chess.com INT 2023 1-0}) ({RR} 11. b3 a6 12. Nfd2 b6
13. Bb2 Qc7 14. a5 b5 15. Nb6 Ra7 16. f4 exf4 17. gxf4 Nxa5 18. Rxa5 Qxb6 19.
Qa1 Nh5 20. Bxg7 Nxg7 21. Kh1 f5 22. e5 d5 23. Qa3 b4 24. Qa4 Nh5 25. Rf1 Rd8 {
Babazada,K (2479)-Jones,G (2623) chess.com INT 2023 1-0 (51)}) 11... Qd7 12. c3
$146 ({RR} 12. Nf1 Rad8 13. a5 Rfe8 14. f4 Bg4 15. Qd2 exf4 16. gxf4 d5 17.
exd5 Nxd5 18. c3 Bh3 19. Bf3 Rxe1 20. Qxe1 Nf6 21. Be3 Qxd3 22. Nfd2 Be6 23.
Bxc6 bxc6 24. Ne5 Qf5 25. Nxc6 Re8 26. Bf2 Nh5 {Nezhmetdinov,R-Lisitsin,G Kiev
(Ukraine) 1954 0-1 (43)}) 12... d5 13. exd5 Bxd5 14. Nxe5 Nxe5 15. Rxe5 Bxg2
16. Kxg2 Qxd3 17. Qb3 Rae8 18. Rxc5 Re2 19. Qc4 Qe3 20. Qd4 Rxf2+ 21. Kh3 Qe7
0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Van Riemsdijk, Dirk Dagobert"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "2375"]
[Annotator "Stock fish 16"]
[PlyCount "110"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Bg4
8. Be2 e6 9. O-O Be7 ({RR} 9... Bd6 10. Bg5 Qa5 11. Bd2 Qc7 12. h3 Bh5 13. Qb3
O-O 14. Rfe1 Rfe8 15. c4 c5 16. Be3 b6 17. Rad1 Rad8 18. Bg5 cxd4 19. Bxf6 gxf6
20. Nxd4 Bxe2 21. Nxe2 f5 22. Nd4 a6 23. Nf3 Bc5 24. Rxd8 {Shubenkova,V (2007)
-Molina,R (2381) chess.com INT 2023 0-1 (53)}) 10. h3 Bxf3 11. Bxf3 Qc7 12. Qe2
$146 ({RR} 12. b3 O-O 13. Bb2 Rfd8 14. Qc2 a5 15. c4 a4 16. Bc3 Ne8 17. b4 Bf6
18. Rfd1 Nd6 19. Rd2 b5 20. c5 Nf5 21. Rad1 Rd7 22. Qe4 Ne7 23. Rd3 Rad8 24. a3
g6 25. Bb2 Bg5 26. h4 Bh6 {Munkhzul,T (2386)-Wu Xibin (2189) Changsha CHN 2019
1-0 (39)}) ({RR} 12. Bd2 O-O 13. b4 a5 14. a3 axb4 15. axb4 Rxa1 16. Qxa1 Rd8
17. Re1 b6 18. c4 c5 19. bxc5 Bxc5 20. dxc5 Rxd2 21. Re2 Rd8 22. c6 Ne8 23. Ra2
Rc8 24. g3 Nd6 25. Ra7 Qd8 26. Rd7 Qf8 {Longwitz,A-Becker,A Saarbruecken 1968
1-0}) 12... O-O 13. c4 Rad8 14. Be3 b6 15. Rad1 Rfe8 16. Rd3 c5 17. Rfd1 g6 18.
dxc5 bxc5 19. Rxd8 Rxd8 20. Rxd8+ Qxd8 21. b4 cxb4 22. Bxa7 Qc7 23. Bd4 Nd7 24.
g3 Bc5 25. Qe4 Qa7 26. Bxc5 Qxc5 27. h4 h6 28. Kf1 Kg7 29. Be2 e5 30. Qb7 Nb6
31. h5 gxh5 32. Qe4 Nd7 33. Qf5 Qd4 34. c5 Nxc5 35. Qxh5 Nd7 36. Qf5 Nf6 37. f3
Nd5 38. Qd3 Nc3 39. Qxd4 exd4 40. Bc4 Na4 41. Ke2 Nc5 42. Bd5 f6 43. Kd2 Kf8
44. Kc2 Ke7 45. f4 Kd6 46. Bg2 Ke6 47. Kd2 Kd7 48. Kc1 Kc7 49. Kb2 Kb6 50. a3
bxa3+ 51. Kxa3 Kb5 52. Bd5 d3 53. Kb2 Kb4 54. Bc6 Kc4 55. Kc1 Kd4 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Machado, Hermes Amilcar"]
[Black "Segal, Alexandru Sorin"]
[Result "0-1"]
[ECO "B02"]
[Annotator "Stock fish 16"]
[PlyCount "82"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. g3 e6 5. Bg2 Be7 6. Nf3 O-O 7. O-O Nxc3
$146 ({RR} 7... b6 8. a4 Bb7 9. a5 c5 10. Qe2 Nb4 11. d3 N8c6 12. axb6 axb6 13.
Bf4 Nd4 14. Nxd4 Bxg2 15. Kxg2 Qxd4 16. Be5 Qd7 17. Kg1 Nc6 18. Qe4 Rxa1 19.
Rxa1 f6 20. Bf4 Nd4 21. Rc1 g5 22. Be3 {Guyot,P (2295)-Boulard,E (2255) France
1993 0-1 (59)}) ({RR} 7... b6 8. a4 Bb7 9. a5 c5 10. Re1 Nd7 11. Qe2 Bf6 12.
Ne4 Be7 13. a6 Bc6 14. d4 Rc8 15. dxc5 bxc5 16. Bg5 Rb8 17. b3 Nb4 18. Bf4 Rb6
19. Rad1 Nd5 20. Bg5 h6 21. Bxe7 Qxe7 22. Ra1 {Krstic,U (2420)-Bezler,R (2253)
Austria 2003 1-0 (37)}) 8. bxc3 c5 9. d4 Nc6 10. Re1 Qa5 11. Qd3 h6 12. Ne5 Bf6
13. Ng4 Bxd4 14. Bd2 c4 15. Qxc4 Rd8 16. Bxc6 bxc6 17. cxd4 Qxd2 18. Rad1 Qa5
19. Ne5 Ba6 20. Qxc6 Rac8 21. Qf3 Rf8 22. Nd7 Rfd8 23. Ne5 Rf8 24. Qg4 Qd5 25.
Rc1 Bb7 26. f3 Rc3 27. Qe4 Qb5 28. Qe2 Qa4 29. Qd2 Rfc8 30. Re3 Rxc2 31. Rxc2
Rxc2 32. Ra3 Qxa3 33. Qxc2 Bxf3 34. Qc8+ Kh7 35. Qc2+ f5 36. Qd2 Bd5 37. Kf2
Qxa2 38. Qxa2 Bxa2 39. Ke3 Bd5 40. Nd7 g5 41. h4 Kg6 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Limp, Eduardo Thelio"]
[Black "Sosonko, Gennadi"]
[Result "0-1"]
[ECO "B78"]
[BlackElo "2575"]
[Annotator "Stock fish 16"]
[PlyCount "102"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4
O-O 9. Qd2 Bd7 10. h4 h5 11. O-O-O Ne5 12. Bb3 Rc8 13. Kb1 Nc4 14. Bxc4 Rxc4
15. Nb3 Qc7 16. Bd4 Bc6 17. Qe2 b5 18. e5 Nd5 19. Nxd5 Bxd5 20. exd6 Qxd6 21.
Bxg7 Kxg7 22. Nd4 $146 ({RR} 22. Qe3 e6 23. Qxa7 Ra4 24. Qe3 Rfa8 25. a3 Qg3
26. Nc5 Rxh4 27. Rxh4 Qxh4 28. Nd7 Rd8 29. Qe5+ Kh6 30. f4 Bxg2 31. Rd2 Bc6 32.
Nc5 f6 33. Qe3 Rxd2 34. Qxd2 Qh1+ {0-1 (34) Tseshkovsky,V (2560)-Miles,A (2560)
Riga (Latvia) 1979}) ({RR} 22. Qe3 e6 23. Nd2 Ra4 24. Ne4 Qe5 25. Qc3 Rxe4 26.
fxe4 Qxc3 27. bxc3 Bxe4 28. Rd7 Bxg2 29. Rg1 Bd5 30. Rxa7 Rc8 31. Kb2 Rc4 32.
Rd7 Rxh4 33. Rf1 Ra4 34. a3 h4 35. Rfxf7+ Kh6 36. Rh7+ Kg5 {Dimitrov,V (2530)
-Drenchev,P (2310) Sofia 1996 0-1 (40)}) 22... Rxd4 23. Rxd4 Bxa2+ 24. Kxa2
Qxd4 25. Qxe7 Qd2 26. Qe5+ Kh7 27. g4 Qg2 28. Rh2 Qxf3 29. gxh5 Qxh5 30. Qe7
Kg7 31. Rf2 Qd5+ 32. Kb1 Qe6 33. Qxa7 Qe1+ 34. Ka2 Qe4 35. b3 Qxh4 36. Kb2 Qe4
37. Rf1 Qd5 38. Kb1 Re8 39. Qf2 Re5 40. Qf6+ Kg8 41. Rg1 Qd4 42. Rc1 b4 43. Qa6
Kg7 44. Qa8 Qe4 45. Qd8 Rc5 46. Qd2 Rd5 47. Re1 Qd4 48. Qc1 g5 49. Rg1 Kg6 50.
c4 bxc3 51. Qc2+ f5 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Cajal, Andre"]
[Black "Papaleo, Lisandro"]
[Result "1/2-1/2"]
[ECO "B73"]
[Annotator "Stock fish 16"]
[PlyCount "76"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8.
O-O O-O 9. Kh1 Bd7 10. f4 Nxd4 11. Bxd4 Bc6 12. Bf3 Qa5 ({RR} 12... Re8 13. e5
dxe5 14. fxe5 Bxf3 15. Rxf3 Ng4 16. e6 f5 17. Bxg7 Qxd1+ 18. Rxd1 Kxg7 19. Rd7
Ne5 20. Re3 Nxd7 21. exd7 Rf8 22. Rxe7+ Rf7 23. Re8 Rf8 24. Re7+ Rf7 25. Re8
Rf8 {1/2-1/2 (25) Andreikin,D (2495)-Mamedov,R (2511) Kirishi 2005}) 13. Qe1 ({
RR} 13. f5 Qb4 14. b3 e5 15. a3 Qa5 16. Be3 Qxc3 17. Bg5 Nxe4 18. Bxe4 Bxe4 19.
f6 Bh8 20. Qg4 Qxc2 21. Qh3 Bf5 22. Qh6 Be4 23. Qxh7+ Kxh7 {0-1 (23) Font Font,
J (1772)-Skuridina,E (1343) lichess.org INT 2022}) 13... Rfe8 14. e5 $146 ({RR
} 14. f5 e5 15. Be3 gxf5 16. exf5 e4 17. Be2 Nd5 18. Qg3 Nxe3 19. f6 {1-0 (19)
Asvestopoulos,H (1850)-Raptakis,S (2005) Nikea 2010}) 14... Nd7 15. e6 Nf6 16.
f5 gxf5 17. Bxf6 Bxf6 18. exf7+ Kxf7 19. Bh5+ Kg7 20. Bxe8 Rxe8 21. Qe6 Qb4 22.
Qxf5 Qxb2 23. Nd5 Qxa1 24. Rxa1 Bxa1 25. Nf4 Kh8 26. Ne6 Bf6 27. Kg1 Rg8 28. g4
Bd7 29. Qe4 Rg6 30. Kf1 Be5 31. Nd8 Rxg4 32. Qxb7 Rf4+ 33. Kg2 Bf5 34. Qxe7
Be4+ 35. Kh3 Bf5+ 36. Kg3 Be4 37. Kh3 Bf5+ 38. Kg3 Be4 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Filguth, Rubens Alberto"]
[Black "Brito, Luismar Jorge"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2350"]
[Annotator "Stock fish 16"]
[PlyCount "47"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. O-O cxd4 6. Qxd4 a6 7. Bxd7+ Bxd7
8. Bg5 h6 9. Bxf6 gxf6 10. Nc3 ({RR} 10. c4 e6 11. Nc3 Be7 12. a4 Qa5 13. Rab1
Qb4 14. b3 h5 15. Rfd1 h4 16. Ne1 Qc5 17. Qd3 Rc8 18. Nc2 Qg5 19. b4 Rg8 20.
Ne3 Rd8 21. Qe2 Kf8 22. a5 Kg7 23. Kh1 Kh8 24. Rf1 Qh6 {Rapport,R (2763)
-Karjakin,S (2743) Baku AZE 2021 1-0 (55)}) 10... e6 11. Rfe1 ({RR} 11. Nd2 Rc8
12. Nc4 Rc6 13. a4 Qc7 14. b3 Be7 15. a5 Rg8 16. Kh1 Rg5 17. f4 Rxc4 18. bxc4
Rc5 19. Rf3 Rxc4 20. Qd3 Qc5 21. f5 Qd4 22. Ra3 d5 23. Rb3 dxe4 24. Qxd4 Rxd4
25. Rh3 Bc6 {Gochelashvili,D (2291)-Abdyjapar,A (2340) Chennai IND 2023 0-1 
(31)}) 11... Be7 12. Rad1 Qc7 $146 ({RR} 12... Rc8 13. Qe3 h5 14. Qf4 b5 15. a3
a5 16. Rd2 Rc4 17. Qg3 Kf8 18. Nd4 b4 19. axb4 axb4 20. Nd5 exd5 21. exd5 f5
22. Qe3 Rc5 23. Nb3 Rb5 24. Qf3 Bf6 25. Nd4 Bxd4 26. Rxd4 Qg5 27. Rc4 {
Djingarova,E (2344)-Dzagnidze,N (2459) Dresden 2004 0-1 (39)}) ({RR} 12... Rc8
13. Re3 Rg8 14. Qd2 Rc5 15. Rde1 Bc6 16. Nd5 exd5 17. b4 d4 18. Nxd4 Rcg5 19.
g3 Kf8 20. Nf5 Qd7 21. h4 Rg4 22. Nxh6 Rxh4 23. Nxg8 Rh8 24. f3 Rxg8 25. Kg2 f5
26. exf5 Qxf5 27. b5 {Bezold,M (2355)-Livshits,R (2225) Mamaia 1991 0-1 (32)})
13. Rd3 b5 14. Nd5 exd5 15. exd5 Kf8 16. Rc3 Qb7 17. Rxe7 Kxe7 18. Re3+ Be6 19.
dxe6 Rhg8 20. Qd3 Rg7 21. Nh4 Rg5 22. Nf5+ Rxf5 23. Qxf5 Rg8 24. g3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Braga, Cicero Nogueira"]
[Black "Gaui, Roberto"]
[Result "1/2-1/2"]
[ECO "C26"]
[Annotator "Stock fish 16"]
[PlyCount "141"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. Nge2 Nc6 6. O-O d6 7. Nd5 ({RR} 7.
Na4 Bg4 8. h3 Be6 9. d3 h6 10. Nxc5 dxc5 11. f4 Qe7 12. f5 Bd7 13. g4 Nh7 14.
Qe1 Nd4 15. Nxd4 cxd4 16. h4 f6 17. Qg3 c5 18. a4 b6 19. Bd2 a6 20. b3 b5 21.
axb5 axb5 {Yu,Y (2675)-Kryvoruchko,Y (2707) Dubai 2014 1-0 (60)}) ({RR} 7. Na4
Bb6 8. Nxb6 axb6 9. a3 Bd7 10. h3 Qc8 11. Kh2 Ne8 12. f4 f5 13. d3 Nf6 14. fxe5
dxe5 15. exf5 Bxf5 16. Nc3 Qd7 17. Bg5 Rae8 18. Bxf6 Rxf6 19. g4 Bg6 20. Rxf6
gxf6 21. Qf3 Kg7 {De Los Santos Nunez,E (2110)-Barjan Pinedo,J (2117) Santo
Domingo 2017 1-0 (52)}) 7... Nxd5 $146 ({RR} 7... Bg4 8. h3 Bd7 9. c3 Bb6 10.
Nxb6 axb6 11. d4 h6 12. d5 Ne7 13. Be3 b5 14. Qd3 Nh5 15. Bf3 Nf6 16. Kh2 Ng6
17. c4 bxc4 18. Qxc4 Ra4 19. Qc2 Qb8 20. Nc3 Ra5 21. a3 Ra6 22. a4 {Arakeljan,
A (2295)-Sotnikov,A (2259) Bogoroditsk 2011 1-0 (42)}) 8. exd5 Nd4 9. Nxd4 Bxd4
10. c3 Bb6 11. Kh1 f5 12. f4 exf4 13. Rxf4 Bd7 14. d4 Re8 15. Bd2 Qf6 16. Qf1
Re7 17. Re1 Rxe1 18. Bxe1 Re8 19. Bd2 g6 20. Rf3 a6 21. Re3 Rxe3 22. Bxe3 Qe7
23. Bf2 c5 24. dxc6 Bxc6 25. Bxc6 bxc6 26. Qc4+ d5 27. Qxc6 Qe4+ 28. Kg1 Qb1+
29. Kg2 Qe4+ 30. Kf1 Qd3+ 31. Ke1 Qb1+ 32. Ke2 Qxb2+ 33. Kf3 Qb5 34. Qe6+ Kg7
35. Qe7+ Kg8 36. Kf4 Qa5 37. Ke5 Bc7+ 38. Ke6 Qb6+ 39. Kd7 Qa7 40. Qe6+ Kg7 41.
Qe7+ Kg8 42. Qe8+ Kg7 43. Kc6 Qb6+ 44. Kxd5 Qa5+ 45. Kc4 Qxa2+ 46. Kd3 Qb1+ 47.
Ke3 Qc1+ 48. Ke2 Qxc3 49. Qe7+ Kg8 50. Qe6+ Kg7 51. Qxa6 Qc2+ 52. Kf1 Qb1+ 53.
Ke2 Qc2+ 54. Kf1 Qb1+ 55. Be1 Qe4 56. Bf2 Qb1+ 57. Ke2 Qc2+ 58. Ke3 Qc3+ 59.
Qd3 Qxd3+ 60. Kxd3 Kf7 61. Kc4 Ke7 62. Kd5 Kd7 63. Be3 Bd8 64. Ke5 h5 65. Bf2
h4 66. d5 hxg3 67. hxg3 Bc7+ 68. Kf6 Kd6 69. Kxg6 Kxd5 70. Kxf5 Bxg3 71. Bxg3
1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Brito, Vicente de Paulo Al"]
[Black "Barros, Jose"]
[Result "1-0"]
[ECO "A51"]
[Annotator "Stock fish 16"]
[PlyCount "31"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Nc6 5. e3 d6 6. Bd3 Nc5 7. Bc2 ({RR} 7.
Be2 dxe5 8. Qxd8+ Kxd8 9. O-O f6 10. Nc3 Be6 11. b3 a5 12. Ba3 Nb4 13. Rad1+
Kc8 14. Rd2 c6 15. Rfd1 Be7 16. Ne1 Kc7 17. Nc2 Nxc2 18. Rxc2 Rhd8 19. Nd5+
cxd5 20. cxd5 Bxd5 21. Bxc5 Bxc5 {Li Xueyi (2328)-Postny,E (2605) lichess.org
INT 2020 0-1}) 7... Bg4 ({RR} 7... dxe5 8. Qxd8+ Kxd8 9. Nc3 Be6 10. b3 Kc8 11.
Bb2 Nb4 12. O-O-O Nxc2 13. Kxc2 Bf5+ 14. Kc1 Nd3+ 15. Rxd3 Bxd3 16. Nxe5 Bg6
17. h4 f6 18. Nxg6 hxg6 19. Nd5 Bd6 20. g3 c6 21. Nc3 Be5 22. Ne2 {Novikov,E 
(2276)-Postny,E (2570) chess.com INT 2023 0-1 (67)}) 8. exd6 Bxd6 9. h3 Bxf3
$146 ({RR} 9... Bh5 10. Nc3 Ne5 11. e4 Nxf3+ 12. gxf3 Qf6 13. Rg1 Bxf3 14. Qd2
O-O-O 15. Qg5 Rhe8 16. Qe3 Nxe4 17. Bxe4 Bc5 18. Qxf3 Qxf3 19. Rf1 Rxe4+ {
0-1 (19) Sboev,K (1149)-Vavra,J (1975) Prague CZE 2021}) 10. Qxf3 Ne5 11. Qe2
Ncd3+ 12. Bxd3 Nxd3+ $4 (12... Bb4+ $16) 13. Qxd3 Bb4+ 14. Ke2 Qh4 15. Rd1 Rd8
16. Qxd8+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Gouveia, Carlos Eduardo"]
[Black "Bere Filho, Romulo Fernando"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2405"]
[Annotator "Stock fish 16"]
[PlyCount "165"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Be7 6. Be2 O-O 7. b3 d5 8. O-O
Nbd7 9. Bb2 c5 10. cxd5 exd5 ({RR} 10... Nxd5 11. Nxd5 Bxd5 12. Rc1 Rc8 13. Ba6
Rc7 14. Qe2 Qa8 15. Rfe1 Bb7 16. dxc5 Rxc5 17. Rcd1 Nf6 18. Bxb7 Qxb7 19. Bd4
Rcc8 20. Ne5 Rfd8 21. Rc1 Nd7 22. Qg4 Nxe5 23. Bxe5 Bf8 24. h4 Rd5 25. Bd4) 11.
Rc1 ({RR} 11. Ne5 cxd4 ({RR} 11... a6) 12. exd4 Ne4 13. Nxe4 dxe4 14. Bc4 ({RR
} 14. Bb5) 14... Bd6 15. Qh5 Qe7 16. Rae1 Rad8 17. Re3 Nf6 18. Qh3 Bd5 19. Qh4
Qe6 20. f4 exf3 21. Rfxf3 Bxe5 ({RR} 21... b5 22. Bxd5 ({RR} 22. Bxb5 Bxf3)
22... Nxd5) 22. Rxe5 Qc6 23. Rxf6 gxf6 ({RR} 23... Qxf6 24. Qxf6 gxf6 25. Rxd5)
24. Bd3 h6 25. Re3 f5 {Nevednichy,V (2534)-Smeets,J (2660) Aix les Bains 2011
1-0 (63)}) 11... Rc8 12. dxc5 ({RR} 12. Ne5 Nxe5 13. dxe5 Ne4 14. Nxe4 dxe4 15.
Qc2 Qc7 16. Rfd1 f6 17. Bc4+ Kh8 18. Bd5 fxe5 19. Qxe4 Bxd5 20. Rxd5 Bf6 21.
Bxe5 Qe7 22. f4 Rfe8 23. Rcd1 Qb7 24. Bxf6 Rxe4 25. Rd8+ Re8 26. R8d7 Qxd7 {
Tsamalaidze,L (1714)-Dorokhina,E (2014) Sochi RUS 2023 0-1 (34)}) 12... Nxc5
$146 ({RR} 12... bxc5 13. Na4 a6 14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bb2 Nb6 17. Nxb6
Qxb6 18. Bf3 Rfd8 19. Qd2 {1/2-1/2 (19) Martens,J (1588)-Skambraks,T Germany
2011}) ({RR} 12... bxc5 13. Na4 Ne4 14. Qc2 Bd6 15. Rfd1 f5 16. Bb5 Ndf6 17. h3
Qe7 18. Qe2 Rc7 19. Ba6 Ba8 20. Rc2 g5 21. Nd2 h5 22. Nxe4 fxe4 23. Rdc1 g4 24.
Ba3 gxh3 25. Bxc5 Qg7 26. Qf1 Bxc5 27. Rxc5 {Garcia Martin,M (2299)-Sanal,V 
(2601) chess.com INT 2022 0-1 (48)}) 13. Nb5 a6 14. Nbd4 Nfe4 15. Rc2 Bf6 16.
Qa1 Qd7 17. Rfc1 Nd6 18. Ne1 Nce4 19. Ndf3 Rxc2 20. Rxc2 Rc8 21. Bxf6 Rxc2 22.
Nxc2 Nxf6 23. Qe5 Nde4 24. Nfd4 Qd6 25. Qxd6 Nxd6 26. f3 Kf8 27. Kf2 Ke7 28.
Ke1 Kd7 29. Kd2 Kc7 30. Kc3 Nd7 31. Bd3 g6 32. Ne1 Nc5 33. Bc2 Nd7 34. h4 h5
35. Nd3 Kd8 36. Nf4 Ke7 37. Bd3 Ne5 38. Be2 Kd8 39. Nc2 Nd7 40. g4 hxg4 41.
fxg4 Ne8 42. Nb4 Nef6 43. Kd4 g5 44. hxg5 Ne4 45. g6 fxg6 46. Nxg6 a5 47. Nd3
Ke8 48. Nde5 Ndf6 49. Bb5+ Kd8 50. Nf4 Kc7 51. Bd3 Ng5 52. Be2 Kd6 53. Nf3 Nfe4
54. Nh4 Ne6+ 55. Nxe6 Kxe6 56. Bf3 Ng5 57. Bg2 Kd6 58. Nf5+ Ke6 59. Ng7+ Kd6
60. Ne8+ Ke6 61. Nc7+ Kd6 62. Nb5+ Ke6 63. a4 Bc6 64. Bxd5+ Bxd5 65. Nc7+ Kd6
66. Nxd5 Nf3+ 67. Kc4 Ne5+ 68. Kd4 Nf3+ 69. Ke4 Nd2+ 70. Kd3 Nxb3 71. Nxb6 Nc5+
72. Kd4 Kc6 73. Nc4 Nxa4 74. Nxa5+ Kd6 75. Nc4+ Ke6 76. e4 Kf6 77. Ne3 Kg5 78.
e5 Nb6 79. Kc5 Nc8 80. Kc6 Kf4 81. Kd7 Nb6+ 82. Kc7 Na4 83. e6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Pimenta, Jeronimo Marques"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "1/2-1/2"]
[ECO "A56"]
[Annotator "Stock fish 16"]
[PlyCount "89"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. g3 Nbd7 6. Bg2 Be7 7. Nf3 O-O 8. O-O
Ne8 9. e4 g6 10. Ne1 $146 ({RR} 10. Bh6 Ng7 11. Qd2 Nf6 12. h3 Kh8 13. Ne1 Ng8
14. Be3 f5 15. Nd3 Nf6 16. Rad1 Nxe4 17. Nxe4 fxe4 18. Nxe5 dxe5 19. d6 Qxd6
20. Qxd6 Bxd6 21. Rxd6 Nf5 22. Rd5 Be6 23. Rxc5 Rad8 24. Bg5 Rd7 {Gutman,L 
(2490)-Appel,R (2344) St Ingbert 1988 1-0 (37)}) ({RR} 10. Bh6 Ng7 11. Qd2 Nf6
12. h3 Kh8 13. Ne1 Ng8 14. Be3 f5 15. Nd3 Nf6 16. exf5 gxf5 17. Rad1 Rg8 18.
Bg5 Ngh5 19. Bh4 f4 20. Nxe5 dxe5 21. d6 Bf8 22. Qe2 Qe8 23. Nb5 e4 24. Nc7 f3
{Sieciechowicz,M (2458)-Czajkowski,A (1933) Koszalin 2013 1-0 (35)}) 10... f5
11. f4 exf4 12. Bxf4 g5 13. Be3 Ne5 14. b3 Ng7 15. Nd3 Ng4 16. Bd2 Bf6 17. exf5
Bd4+ 18. Kh1 Bxc3 19. Bxc3 Ne3 20. Qc1 Nxf1 21. f6 Nxg3+ 22. hxg3 Rxf6 23. Bxf6
Qxf6 24. Qb2 Qxb2 25. Nxb2 Bd7 26. Nd3 Re8 27. Nf2 Bf5 28. Bf3 Re3 29. Kg2 Ne8
30. Ng4 Bxg4 31. Bxg4 Nf6 32. Be6+ Kg7 33. Kf2 Re5 34. g4 Ne4+ 35. Kg2 Nf6 36.
Kf3 h5 37. gxh5 Nxh5 38. Rh1 Nf4 39. Bc8 b6 40. Kg4 Ng2 41. Rh2 Nh4 42. Rf2 Ng6
43. Bf5 Kh6 44. Bc2 Kg7 45. Bf5 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Duarte, Fernando Pires"]
[Black "Mercadante, Ricardo Rodrigues"]
[Result "1-0"]
[ECO "E92"]
[Annotator "Stock fish 16"]
[PlyCount "63"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. d4 Nf6 5. e4 O-O 6. Be2 e5 7. Be3 Re8 8. d5 a5
({RR} 8... Ng4 9. Bg5 f6 10. Bh4 Nh6 11. Nd2 g5 12. Bg3 f5 13. exf5 Nxf5 14.
Bd3 Rf8 15. f3 b6 16. Bf2 Na6 17. Bxf5 Bxf5 18. Nde4 Nc5 19. Bxc5 bxc5 20. h3
Rb8 21. Qe2 Qd7 22. O-O-O h6 23. Kb1 {Stockfish dev-20230308-39da50 (3607)
-Ethereal 14.06 (3532) tcec-chess.com INT 2023 1-0 (103)}) 9. Nd2 Na6 10. O-O
Rf8 $146 ({RR} 10... b6 11. a3 Bd7 12. Rb1 c5 13. dxc6 Bxc6 14. b4 axb4 15.
axb4 Nb8 16. Nd5 Nbd7 17. Ra1 Bxd5 18. cxd5 Qc7 19. Rc1 Qb8 20. Rc6 Bf8 21. Qc2
Be7 22. Rc1 Rd8 23. f3 Ne8 24. Nc4 b5 25. Nb6 {Kurowski,A (1809)-Sawicki,W 
(1814) Warsaw 2017 1-0 (32)}) 11. a3 Ne8 12. b4 f5 13. f3 f4 14. Bf2 axb4 15.
axb4 Bd7 16. Qb3 Kh8 17. c5 Qe7 18. Nc4 Nf6 19. cxd6 cxd6 20. Nb6 Rae8 21. Nxd7
Nxd7 22. Bxa6 bxa6 23. Rxa6 Rb8 24. b5 Rfc8 25. Rc6 Bf8 26. Rb1 Qd8 27. b6 Rb7
28. Na4 Rcb8 29. Qc4 g5 30. Rc1 Nf6 31. Rc7 Qe8 32. Qa6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Lima, Nelson Villaboim"]
[Black "Lemos, Jorge Joao"]
[Result "1/2-1/2"]
[ECO "B15"]
[Annotator "Stock fish 16"]
[PlyCount "116"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. exd5 cxd5 5. Bb5+ Nc6 ({RR} 5... Bd7 6. Bxd7+
Qxd7 7. Nf3 Nc6 8. O-O Bg7 9. Bf4 Nf6 10. Ne5 Qf5 11. Bg3 O-O 12. Qd2 Nb4 13.
Rac1 Rac8 14. a3 Nc6 15. Rfe1 Rfe8 16. f3 Nh5 17. Nxd5 Nxg3 18. hxg3 Nxe5 19.
dxe5 h5 20. Qf4 {Mahitosh,D (2232)-Sevgi,V (2308) chess.com INT 2023 1-0 (57)})
6. Nf3 Nf6 7. Ne5 Bd7 8. Nxd7 $146 ({RR} 8. Bxc6 Bxc6 9. O-O Bg7 10. f4 e6 11.
b3 O-O 12. g4 Rc8 13. f5 exf5 14. gxf5 Bd7 15. Nxd7 Qxd7 16. Ne2 Ne4 17. Ng3
Rfe8 18. Bb2 Qc7 19. Nxe4 Rxe4 20. fxg6 hxg6 21. Rf2 Rce8 22. Qd3 Bh6 {Oles,M 
(1682)-Tymrakiewicz,R (2222) Bohumin CZE 2019 0-1}) ({RR} 8. Bxc6 Bxc6 9. O-O
Bg7 10. f4 e6 11. b3 O-O 12. g4 Rc8 13. f5 exf5 14. gxf5 Bd7 15. Nxd7 Qxd7 16.
Ne2 Ne4 17. Ng3 Rfe8 18. Bb2 Qc7 19. Nxe4 Rxe4 20. fxg6 hxg6 21. Rf2 Rce8 22.
Qd3 Bh6 {Oles,M (1682)-Tymrakiewicz,R (2222) Bohumin CZE 2019 0-1}) 8... Qxd7
9. O-O Bg7 10. Bf4 O-O 11. Qd2 Rfe8 12. Be5 a6 13. Bxc6 Qxc6 14. f3 Rec8 15.
Rfc1 b5 16. Nd1 h5 17. c3 Kh7 18. Nf2 a5 19. Nd3 Qe6 20. Re1 Qf5 21. Bf4 Ra7
22. Re5 Qd7 23. Nc5 Qc6 24. Qd3 Kg8 25. Qe3 b4 26. Re1 bxc3 27. bxc3 Re8 28.
Bh6 Bh8 29. Qf4 Nh7 30. Re6 Qb5 31. a4 Qb2 32. Nd3 Qxc3 33. Rxe7 Raxe7 34. Rxe7
Qa1+ 35. Kf2 Qxd4+ 36. Re3 Qxe3+ 37. Qxe3 Rxe3 38. Kxe3 f6 39. Kd4 Kf7 40. Bd2
Ke6 41. Nf4+ Kd6 42. Nxg6 Bg7 43. Bxa5 f5+ 44. Kd3 Kc5 45. Nf4 Be5 46. Nxh5
Bxh2 47. Bd2 Nf8 48. Ng7 f4 49. a5 Ng6 50. Bc3 Bg1 51. a6 Kb6 52. Bd4+ Bxd4 53.
Kxd4 Nh4 54. Ne6 Nxg2 55. Kxd5 Ne1 56. Nc5 Nxf3 57. Ke4 Ng5+ 58. Kxf4 Ne6+
1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Sampaio, Francisco"]
[Black "Loureiro, Luiz R Vasconcelos"]
[Result "1/2-1/2"]
[ECO "E17"]
[Annotator "Stock fish 16"]
[PlyCount "136"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Bb7 3. g3 Nf6 4. Bg2 e6 5. O-O Be7 6. b3 O-O 7. Bb2 c5 8. Nc3
d5 9. cxd5 exd5 10. d4 Na6 11. Rc1 Re8 12. dxc5 ({RR} 12. e3 Bf8 13. Re1 Nc7
14. Re2 Qe7 15. dxc5 bxc5 16. Na4 Ne6 17. Rec2 Rac8 18. Ba3 Nd7 19. Nh4 Qd6 20.
Rd2 Nf6 21. Bb2 Ng5 22. Nf5 Qe6 23. Bxf6 Qxf6 24. Bxd5 Bxd5 25. Rxd5 Rcd8 26.
h4 Ne4 {Ding,L (2766)-Ponomariov,R (2712) Huaian 2016 1-0 (65)}) 12... bxc5 ({
RR} 12... Nxc5 13. Nd4 Bf8 14. Qc2 Ne6 15. Rfd1 Rc8 16. Qb1 Nxd4 17. Rxd4 Bc5
18. Rf4 Bd6 19. Rf5 Be5 20. Nb5 Bxb2 21. Qxb2 Rxc1+ 22. Qxc1 Rxe2 23. Bf3 Re7
24. Nd4 Qe8 25. Kg2 Ne4 26. h4 g6 27. Rf4 {Grigoriadis,A (2213)-Georgiadis,I 
(2465) Rio (Achaia) GRE 2018 0-1 (38)}) 13. Ne1 $146 ({RR} 13. e3 Rc8 14. Nh4
g6 15. Nf3 Nc7 16. Ne5 Qd6 17. Ng4 Red8 18. Na4 Nce8 19. Ba3 Nd7 20. Qf3 f5 21.
Nh6+ Kg7 22. Nxf5+ gxf5 23. Qxf5 Qg6 24. Qh3 Nef6 25. Rfd1 Kf7 26. Bf3 Ne5 27.
Bg2 Nd3 {Helis,T (2343)-Dziuba,M (2511) Ustron 2006 0-1 (32)}) ({RR} 13. Ne5
Bf8 14. Nd3 Qa5 15. Qe1 Nb4 16. Na4 c4 17. Nxb4 Bxb4 18. Bc3 Bxc3 19. Qxc3 Qxc3
20. Nxc3 cxb3 21. axb3 Rab8 22. Rfd1 g6 23. e3 d4 24. Rxd4 Bxg2 25. Kxg2 Rxb3
26. Nd5 Re6 27. Rc2 Nxd5 {Grinberg,N (2415)-Gruenfeld,Y (2535) Israel 1986 1/
2-1/2 (40)}) 13... Qd7 14. Na4 d4 15. Bxb7 Qxb7 16. Nd3 Rac8 17. Rc2 Nd5 18.
Ba3 c4 19. bxc4 Bxa3 20. cxd5 Qxd5 21. Rxc8 Rxc8 22. Qb3 Qxb3 23. axb3 Rb8 24.
Rb1 Rb5 25. Kf1 Kf8 26. Ke1 Ke7 27. Kd2 Nc7 28. Ra1 Bd6 29. Kc2 h5 30. Nab2 a6
31. Ra4 Rd5 32. Nc4 g6 33. Nd2 Bc5 34. Nf3 Bb6 35. Nf4 Rc5+ 36. Kb2 Rf5 37.
Nxd4 Bxd4+ 38. Rxd4 Re5 39. e3 Ne6 40. Nxe6 Kxe6 41. Kc3 Ke7 42. Ra4 Rc5+ 43.
Kb2 Rc6 44. Rd4 Rc5 45. Rd3 Ra5 46. Rd2 Rb5 47. Kc3 Rc5+ 48. Kd4 Ra5 49. e4 Rb5
50. Kc4 Re5 51. f3 Ra5 52. f4 Ke6 53. Rb2 Ra1 54. Kc5 a5 55. Kb5 Ra3 56. Kc4
Ra1 57. Kd3 Ra3 58. Ke2 Ra1 59. Kf2 Kf6 60. Kg2 Re1 61. e5+ Ke6 62. Ra2 Re3 63.
Rxa5 Rxb3 64. Ra2 Rb6 65. h3 f6 66. Re2 Rb3 67. exf6+ Kxf6 68. g4 h4 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Bere Filho, Romulo Fernando"]
[Black "Papaleo, Lisandro"]
[Result "1-0"]
[ECO "B96"]
[Annotator "Stock fish 16"]
[PlyCount "53"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5
dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Be2 Qxg5 12. O-O Qc5 $146 ({RR} 12... Qe5
13. Bh5 g6 14. Bf3 Ra7 15. Ne4 Rd7 16. c3 Bb7 17. Ng3 Bxf3 18. Qxf3 Bc5 19. Kh1
Bxd4 20. cxd4 Rxd4 21. Rae1 Qd5 {1/2-1/2 (21) Kavalek,L (2600)-Polugaevsky,L 
(2635) Bugojno 1980}) ({RR} 12... Nd7 13. Bf3 Ra7 14. Ne4 Qe5 15. Nc6 Qc7 16.
fxg7 Bxg7 17. Nd6+ Kf8 18. Nxa7 Qxa7+ 19. Kh1 Qc7 20. Bb7 Bxb7 21. Rxf7+ Kg8
22. Qg4 Ne5 23. Qxg7# {1-0 (23) Mrudul,D (2030)-Martin,L (2135) chess.com INT
2023}) ({RR} 12... Qe5 13. fxg7 Bxg7 14. Nf3 Qc5+ 15. Kh1 Bb7 16. Qd3 O-O 17.
Rad1 Nc6 18. Ne4 Qe7 19. Neg5 f5 20. Qe3 Rae8 21. c4 h6 22. cxb5 axb5 23. Nh3
e5 24. Bxb5 Kh8 25. Rc1 Rc8 26. Rfe1 Nb4 27. Bc4 {Belov,L-Polugaevsky,L Omsk
1961 1/2-1/2 (49)}) 13. Ne4 Qe5 14. Bf3 Ra7 15. c3 Rd7 16. Qe1 gxf6 17. Qh4 Be7
18. Bh5 Rd5 19. Bxf7+ Kxf7 20. Rae1 Qh5 21. Rxf6+ Ke8 22. Qg3 Rxd4 23. cxd4 Qd5
24. Qxb8 Qxd4+ 25. Rf2 Qc4 26. Nd6+ Bxd6 27. Qxd6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Teixeira, Ricardo da Silva"]
[Black "Pimenta, Jeronimo Marques"]
[Result "0-1"]
[ECO "B30"]
[Annotator "Stock fish 16"]
[PlyCount "98"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 {Finkel,A} c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. O-O Ne7 6. d3 Ng6 7.
c4 ({RR} 7. Qe2 d5 8. e5 ({RR} 8. c4 f6 9. e5 Be7 10. Nc3 O-O 11. Na4 fxe5 12.
Nxe5 Nxe5 13. Qxe5 Bd6 14. Qg5 Qc7 15. f4) 8... f6 9. b3 fxe5 10. Bb2 ({RR} 10.
Nxe5 Bd6 ({RR} 10... Nxe5 11. Qxe5 Qf6 12. Bb2 Be7 13. Nd2) 11. Bb2 Qg5 12.
Nxg6 hxg6 13. g3) 10... e4 11. dxe4 Bd6 12. e5 ({RR} 12. Bxg7 Rg8 13. e5 ({RR} 
13. Bh6 Bf4) 13... Rxg7 14. exd6 Qxd6 15. Qe3 e5) 12... Be7 13. Nc3 O-O 14. Na4
Nf4 15. Qe3 Ba6 16. Rfe1 Qe8 17. Ba3 ({RR} 17. Nxc5 Qg6 18. g3 Bxc5 19. Qxc5
Be2) 17... Qg6 18. g3 Nh3+ 19. Kg2 Rxf3 ({RR} 19... Qg4 20. Nxc5 Be2) 20. Qxf3
Rf8 21. Qxf8+ Kxf8 {Jakovenko,D (2627)-Krasenkow,M (2663) Saint Vincent 2005
CBM 110 [Finkel,A] 0-1}) 7... Bd6 $146 ({RR} 7... Be7 8. Nc3 Rb8 9. b3 O-O 10.
Ba3 d6 11. d4 cxd4 12. Nxd4 Bb7 13. Bb2 c5 14. Nde2 f5 15. exf5 Rxf5 16. Qd3
Qf8 17. f3 d5 18. Ng3 Rf7 19. cxd5 Nf4 20. Qd2 exd5 21. Rae1 Bg5 22. Qc2 {
Lerch,P (2177)-Mager,D (1714) playchess.com INT 2011 0-1 (34)}) ({RR} 7... e5
8. Nc3 Be7 9. Ne1 d6 10. Ne2 Rb8 11. f4 exf4 12. Nxf4 Nxf4 13. Rxf4 Bf6 14. Kh1
Bxb2 15. Bxb2 Rxb2 16. Qh5 O-O 17. Nf3 h6 18. Rf1 Qe7 19. g4 f6 20. g5 fxg5 21.
Rxf8+ Qxf8 22. Kg1 {Curriah,M (2043)-Meftahi,H (2117) chess.com INT 2020 0-1})
({RR} 7... Be7 8. Nc3 O-O 9. g3 f6 10. h4 d6 11. h5 Nh8 12. Nh2 f5 13. Bd2 e5
14. f4 Nf7 15. Qe2 Rb8 16. b3 exf4 17. Bxf4 Bf6 18. Rac1 Rb7 19. Kh1 Re7 20.
Qg2 Qe8 21. g4 Bxc3 22. Rxc3 {Bukhtin,V (2415)-Altshul,R (2277) St Petersburg
2005 1/2-1/2 (56)}) 8. Nc3 O-O 9. Be3 Bf4 10. Bxc5 d6 11. Be3 e5 12. Ne2 Bg4
13. Bxf4 exf4 14. Ned4 c5 15. h3 Bh5 16. Nb3 Ne5 17. Nbd2 Nxd3 18. Qc2 Nb4 19.
Qc3 Rb8 20. Rfe1 Bg6 21. a3 Nc6 22. e5 dxe5 23. Nxe5 Nd4 24. Ndf3 Rb3 25. Qc1
Bh5 26. Qxf4 Nxf3+ 27. Nxf3 Bxf3 28. gxf3 Qa8 29. Qe4 Rxb2 30. Qxa8 Rxa8 31.
Re5 Rc8 32. Rae1 g6 33. Re7 Rb3 34. Rxa7 Rxf3 35. Ree7 Rd8 36. Kg2 Rf5 37. Re2
Rd4 38. Ra2 Rxc4 39. a4 Rc3 40. a5 Rg5+ 41. Kf1 Rh5 42. Re7 Rhxh3 43. a6 Ra3
44. Ree2 Rh1+ 45. Kg2 Ra1 46. Rac2 Rxa6 47. Rxc5 R6a5 48. Rc8+ Kg7 49. Rd2 R1a2
0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Gaui, Roberto"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "1/2-1/2"]
[ECO "B15"]
[Annotator "Stock fish 16"]
[PlyCount "93"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. Nf3 Bg4 6. e5 Nh6 7. Be3 Nf5 8. Bf2 h5
9. Be2 e6 10. h3 Bxf3 11. Bxf3 h4 12. Ne2 Bf8 13. c3 $146 ({RR} 13. O-O Be7 14.
Bg4 a5 15. c3 a4 16. b3 b5 17. Kh2 Nd7 18. Ng1 Nb6 19. Nf3 axb3 20. axb3 Rxa1
21. Qxa1 Qa8 22. Qb2 Ba3 23. Qc2 Be7 24. Qb2 Ba3 25. Qe2 Be7 26. Rb1 Kd7 27.
Qb2 Ba3 {Sarana,A (2643)-Sadovsky,A (2367) chess.com INT 2021 1-0 (50)}) ({RR} 
13. O-O Be7 14. Bg4 a5 15. c3 a4 16. b3 b5 17. Kh2 Nd7 18. Ng1 Nb6 19. Nf3 axb3
20. axb3 Rxa1 21. Qxa1 Qa8 22. Qb2 Ba3 23. Qc2 Be7 24. Qb2 Ba3 25. Qe2 Be7 26.
Rb1 Kd7 27. Qb2 Ba3 {Sarana,A (2643)-Sadovsky,A (2367) chess.com INT 2021 1-0 
(50)}) 13... Nd7 14. g4 hxg3 15. Nxg3 Nxg3 16. Bxg3 Be7 17. Qe2 Bh4 18. Qf2
Bxg3 19. Qxg3 Qh4 20. Kf2 O-O-O 21. Rag1 Rh6 22. Qxh4 Rxh4 23. Rg4 Rh6 24. h4
Rdh8 25. Kg3 Nb6 26. b3 Kd7 27. Rg5 Nc8 28. h5 Ne7 29. Bg4 gxh5 30. Rgxh5 Nf5+
31. Kf2 Rxh5 32. Rxh5 Rxh5 33. Bxh5 Ke7 34. Bg4 Nh6 35. Bh3 Kf8 36. c4 Kg7 37.
f5 dxc4 38. fxe6 cxb3 39. axb3 f5 40. Kf3 Kf8 41. Kf4 Ke7 42. Bxf5 Nxf5 43.
Kxf5 a5 44. Ke4 Kxe6 45. Kd3 Kd5 46. Kc3 b6 47. b4 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Pereira, Fernando"]
[Black "Mercadante, Ricardo Rodrigues"]
[Result "1-0"]
[ECO "C60"]
[Annotator "Stock fish 16"]
[PlyCount "65"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 g6 5. d4 exd4 6. cxd4 d5 7. e5 a6 ({RR} 
7... Bg7 8. h3 O-O 9. O-O a6 10. Ba4 f6 11. exf6 Bxf6 12. Nc3 Bg7 13. Bg5 Qd6
14. Bb3 Be6 15. Re1 Rae8 16. Bxe7 Nxe7 17. Ng5 Bc8 18. Nxd5 Nxd5 19. Rxe8 Rxe8
20. Qf3 Be6 21. Re1 c6 22. Rxe6 {Gashimov,V (2625)-Stevic,H (2512) Kusadasi
2006 1-0}) ({RR} 7... Bg7 8. O-O O-O 9. h3 a6 10. Ba4 f6 11. exf6 Bxf6 12. Bh6
Re8 13. Nc3 Nf5 14. Bxc6 bxc6 15. Bf4 Rb8 16. Rb1 c5 17. dxc5 d4 18. Ne2 Bb7
19. Ng3 Nxg3 20. Bxg3 Be4 21. Rc1 Rxb2 22. Re1 {Sanchez,R (1971)-Machidon,C 
(2286) chess.com INT 2023 0-1 (55)}) 8. Ba4 $146 ({RR} 8. Be2 Bg7 9. h4 Bg4 10.
Ng1 Bxe2 11. Nxe2 f6 12. Bh6 Bxh6 13. h5 Qd7 14. hxg6 hxg6 {0-1 (14)
Lematschko,T (2310)-Maric,A (2445) Kishinev 1995}) ({RR} 8. Bxc6+ Nxc6 9. Bg5
Be7 10. Bxe7 Qxe7 11. O-O Bg4 12. Nbd2 O-O-O 13. Qa4 f6 14. exf6 Qxf6 15. Ne5
Be2 16. Nxc6 Bxf1 17. Nxd8 Bb5 18. Qb4 Rxd8 19. Nf3 Be2 20. Ne5 Rf8 21. Qe1 Bb5
22. f3 g5 {Di Benedetto,E (2302)-Bifulco,M (2268) Amantea ITA 2018 1-0 (55)})
8... b5 9. Bb3 Bg4 10. Bg5 Bg7 11. Nc3 Qd7 12. Be3 O-O 13. h3 Be6 14. O-O Na5
15. a4 b4 16. Ne2 c5 17. Bc2 c4 18. Qd2 Nac6 19. Bh6 Bf5 20. Bxg7 Kxg7 21. Bxf5
Nxf5 22. g4 Nfe7 23. Qg5 f6 24. exf6+ Rxf6 25. Nf4 Rf7 26. Rae1 Kh8 27. Ne5
Nxe5 28. Rxe5 c3 29. bxc3 bxc3 30. Rfe1 c2 31. Nd3 Re8 32. Nc5 Qc8 33. Qd2 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Sampaio, Francisco"]
[Result "1/2-1/2"]
[ECO "B81"]
[Annotator "Stock fish 16"]
[PlyCount "111"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 {ChessBase} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 ({RR} 
6... e5 7. Nde2 b5 8. g4 Bb7 9. Bg2) ({RR} 6... g6 7. Be3) 7. g4 d5 ({RR} 7...
b5 8. Bg2 Bb7 9. O-O b4 10. Nd5 exd5 11. exd5 Be7 12. Nc6 Qc7 13. Nxe7 Kxe7 14.
g5 Nfd7 15. Re1+ Kd8) 8. exd5 Nxd5 9. Nde2 ({RR} 9. Bd2 Nc6 10. Nxc6 bxc6 11.
Bg2 Be7 12. Na4) 9... Bb4 10. Bg2 O-O 11. Bd2 ({RR} 11. O-O Nxc3 12. Nxc3 Nc6 (
{RR} 12... Qc7) 13. Qxd8 Rxd8 14. Na4 e5 15. c3 Be7 16. Nb6 Rb8 17. Nxc8 Rbxc8
18. Be3 Kf8 19. Rfd1 Rd6 20. Kf1 Na5 21. Rxd6 Bxd6 22. Rd1 Ke7 23. b3 Nc6 24.
Be4 b5 25. b4 Nd8 {Alekseev,E (2716)-Karjakin,S (2721) Nalchik 2009 CBM 130 
[ChessBase] 1-0 (47)}) 11... Nxc3 12. Nxc3 Nd7 $146 ({RR} 12... Qc7 13. Qe2 Bd7
14. a3 Bxc3 {1/2-1/2 (14) Bronstein,D-Gufeld,E Tallinn (Estland) 1965}) ({RR} 
12... Qc7 13. Qf3 Nc6 14. O-O-O Bd6 15. Ne4 Be7 16. Bc3 Nb4 17. Kb1 Nd5 18. Bd4
Bd7 19. Qg3 Qxg3 {1/2-1/2 (19) Turcan,R (2263)-Stohl,I (2458) Slovakia SVK 2022
}) ({RR} 12... Qc7 13. Qe2 {1/2-1/2 (13) Mista,A (2354)-Jedryczka,K (2374)
Trzebinia 2000}) 13. O-O Qc7 14. Nd5 exd5 15. Bxb4 Rd8 16. Qxd5 Nf6 17. Qc5
Qxc5 18. Bxc5 Be6 19. Be3 Nd5 20. Bd2 Rac8 21. Rac1 Rd7 22. Rfd1 f5 23. gxf5
Bxf5 24. Bg5 Be6 25. c4 Nf6 26. Bxf6 Rxd1+ 27. Rxd1 gxf6 28. b3 b5 29. Bb7 Rc7
30. Bxa6 bxc4 31. bxc4 Bxc4 32. Bxc4+ Rxc4 33. Ra1 Ra4 34. a3 Kf7 35. Kg2 Kg6
36. Kf3 Kf5 37. Ke3 h5 38. f3 Kg5 39. f4+ Kf5 40. Ra2 Rxf4 41. a4 Rh4 42. a5
Rxh3+ 43. Kd4 Rb3 44. a6 Rb8 45. Ra5+ Kg4 46. Ke3 Ra8 47. a7 f5 48. Ra6 f4+ 49.
Kf2 h4 50. Rg6+ Kf5 51. Rh6 Rxa7 52. Rxh4 Ke4 53. Rh3 Ra2+ 54. Kf1 Ra1+ 55. Kf2
Ra2+ 56. Kf1 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Loureiro, Luiz R Vasconcelos"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1/2-1/2"]
[ECO "B44"]
[BlackElo "2375"]
[Annotator "Stock fish 16"]
[PlyCount "72"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. Be3 e5 8.
h3 Be7 9. O-O O-O 10. a4 Be6 11. Nd2 Qc7 12. Qf3 $146 ({RR} 12. Qe2 Ne8 13. Bc4
Bd7 14. Qh5 Kh8 15. Bb3 f6 16. Kh1 Nd6 17. f4 Be8 18. Qg4 f5 19. Qf3 Bg6 20.
fxe5 Nxe4 21. Nxe4 fxe4 22. Qg3 Rad8 23. Rad1 Rxd1 {1/2-1/2 (23) Mueller,M 
(2203)-D'Costa,L (2428) Neustadt an der Weinstrasse 2012}) 12... Nd7 13. Rfd1
Rfd8 14. Qg3 Nf8 15. Nf3 Ng6 16. Nd4 Bc8 17. Nf5 Bf6 18. Bg5 Bxg5 19. Qxg5 Be6
20. g3 f6 21. Qg4 Nf8 22. Qe2 g6 23. Ne3 Rd6 24. Bc4 Rad8 25. c3 Qf7 26. Rxd6
Rxd6 27. Bxe6 Qxe6 28. Rd1 Rd7 29. h4 h5 30. Rxd7 Nxd7 31. Nc4 Nc5 32. a5 Nb3
33. Qd3 Kg7 34. Kg2 Nc1 35. Qf1 Nb3 36. Qd3 Nc1 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Brito, Luismar Jorge"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "B97"]
[BlackElo "2480"]
[Annotator "Stock fish 16"]
[PlyCount "89"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 {Ftacnik,L} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
Qb6 8. Qd2 Qxb2 9. Nb3 Qa3 10. Bxf6 gxf6 11. Be2 Nc6 12. O-O Bd7 13. Bh5 ({RR} 
13. Kh1 h5 ({RR} 13... Rc8 14. Bh5 Bg7 15. Rf3 O-O 16. Rd1 f5 17. exf5 exf5) ({
RR} 13... Be7 14. Nb1 Qb4 15. Qe3 Bd8 16. N1d2 Qb6 17. Qg3) 14. Nd1 ({RR} 14.
Nb1 Qb4 ({RR} 14... Qb2 15. a3 ({RR} 15. a4 f5) 15... Rc8 16. Rf3 e5 17. Nc3
Nd4) ({RR} 14... Qa4 15. c4) 15. Qe3 d5 ({RR} 15... Ne7 16. c4 f5 17. a3 Qa4
18. Nc3 Qc6 19. Nd4 Qc5 20. exf5 Bg7 21. fxe6 fxe6 22. Rad1 Bxd4 23. Qxd4 Qxd4
24. Rxd4 Nf5 25. Rd2 Rc8 26. Rf3 Ke7) 16. exd5 Ne7 17. c4 Nf5 18. Qd3 h4 19.
Bg4 Nd6 20. N1d2 f5 21. a3 Qb6 22. c5 Qb5 23. Qc3 fxg4 24. a4 h3 25. axb5 hxg2+
26. Kxg2 Rh3 27. Qf6 Nf5 28. c6 Bc8) ({RR} 14. Qe3 Rc8 ({RR} 14... Na5 15. Nd5
exd5 16. exd5+ Be7 17. Rfe1 Nxb3 18. Bd3) 15. Nb1 Qa4 ({RR} 15... Qb2 16. N1d2
b5 17. a3) 16. c4 Na5 17. Qc3 ({RR} 17. Nc3 Qb4 18. Rab1 Nxc4 19. Qd4 Qb6 20.
Qxf6 Rh6) 17... Nxc4 18. Qxf6 Rh6 19. Qd4 Rh7 20. f5) 14... Rc8 ({RR} 14... Qb4
15. Qe3 Ne7 16. a3 Qa4 17. f5 e5) 15. Ne3 ({RR} 15. Rf3 Qb4 16. Qe3 Qa3 17. Qb6
Qb4 18. Qf2 Qxe4 19. Bd3 Qa4 20. Nb2 Qa3 21. Nc4 Qb4 22. a3 Qc3 23. Bf1) 15...
Qb4 16. c3 Qxe4 ({RR} 16... Qb6 17. Nc4 Qc7 18. Rad1 ({RR} 18. Rfd1 h4)) 17.
Bd3 ({RR} 17. Nc4 Nd8 18. Bd3 ({RR} 18. Nb6 Qc6 19. Nxc8 Qxc8) ({RR} 18. Nd4
Rc7) 18... Rxc4 19. Bxe4 Rxe4) 17... Qa4 18. Nc4 Rc7 ({RR} 18... Rd8) 19. Nb6
Qa3 20. Rae1 ({RR} 20. Qe3 Kd8 21. Na8 d5 22. Qb6 Qd6) 20... Ne7 ({RR} 20...
Kd8 21. Qf2 ({RR} 21. f5) ({RR} 21. Nc4 Qa4 22. Re4 d5)) 21. Nc4 ({RR} 21. f5
e5 22. Be4 Bh6 23. Qd3) ({RR} 21. c4 f5 ({RR} 21... Bc6 22. Be4 Bxe4 23. Rxe4
Rc6 24. c5) 22. c5 d5 23. Bxf5 Nxf5 24. Nxd5 Kd8) 21... Rxc4 ({RR} 21... Qa4
22. Nxd6+ Kd8 23. Nxf7+) 22. Bxc4 h4 23. Bd3 ({RR} 23. Rf3) ({RR} 23. Be2 Bg7)
23... f5 24. Be2 Bg7 25. c4 ({RR} 25. Bf3 b5 ({RR} 25... d5 26. c4 dxc4 27. Rd1
)) 25... h3 26. g3 d5 27. Bf3 ({RR} 27. cxd5 Nxd5 28. Bf3 O-O 29. Bxd5 exd5)
27... dxc4 {Short,N (2655)-Kasparov,G (2805) London 1993 CBM 036 [Ftacnik,L]
0-1 (40)} {RR} 28. Rd1 Nd5 29. Bxd5 exd5 30. Nd4 ({RR} 30. Qxd5 Bc6 ({RR} 30...
Qe7) 31. Rfe1+ Be5 ({RR} 31... Kf8 32. Qxc6 bxc6 33. Rd8#) 32. Rxe5+ Kf8) ({RR
} 30. Rfe1+ Kf8 31. Nd4 Rh6) 30... Be6 31. Rfe1 Kd7 32. g4) ({RR} 13. f5 h5 14.
fxe6 fxe6 15. e5 f5 16. Qg5 Be7 17. Qg6+ Kd8 18. exd6 Bxd6 19. Rad1 Kc7 20. Nb1
Qb4 21. a3 Qh4 22. Rxd6 Kxd6 23. Rd1+ Kc7 24. Qg7 Qe7 25. Qg3+ e5 26. Bc4 Rad8
27. Nc3 Kb8 {Suradiradja,H (2330)-Quinteros,M (2480) Jakarta 1978 0-1 (34)})
13... Bg7 ({RR} 13... Na5 14. f5 Nxb3 15. cxb3 Rc8 16. Kh1 Qa5 17. Rac1 Ke7 18.
Nd5+ Qxd5 19. exd5 Rxc1 20. Qxc1 e5 21. Rf3 b5 22. Rc3 Bg7 23. Rc7 Rd8 24. Qc6
Ke8 25. Bxf7+ Ke7 26. Be6 Kf8 27. Rxd7 Re8 28. Rf7+ {Balkum,A (2107)-Lewicki,M
(2336) chess.com INT 2022 1-0}) 14. Kh1 $146 ({RR} 14. Rf3 O-O 15. Raf1 Na5 16.
Rh3 Nxb3 17. axb3 Rac8 18. Kh1 f5 19. exf5 Qb4 20. f6 Bxf6 21. f5 Rxc3 22. Rg3+
Kh8 23. Qh6 {1-0 (23) Tal,M-Platonov,I Dubna 1973}) ({RR} 14. f5 O-O 15. Rf3
Na5 16. Nxa5 Qxa5 17. Qxd6 Bc6 18. Rg3 Kh8 19. Rf1 Qe5 20. Qxe5 {1/2-1/2 (20)
Matulovic,M-Tringov,G Kragujevac 1974}) 14... O-O 15. Rad1 Rfd8 16. Qxd6 Qxd6
17. Rxd6 Bf8 18. Rd3 Nb4 19. Rg3+ Bg7 20. Bd1 Bb5 21. Re1 Rac8 22. Kg1 Bd3 23.
Nd5 exd5 24. cxd3 dxe4 25. dxe4 Nxa2 26. Bg4 Rc3 27. Na5 b5 28. Rxc3 Nxc3 29.
Nc6 Rd6 30. Ne7+ Kf8 31. Nf5 Rd8 32. Ra1 Ra8 33. Kf1 b4 34. Be2 b3 35. Rxa6
Rxa6 36. Bxa6 Nxe4 37. Ke2 b2 38. Bd3 Nc3+ 39. Kd2 b1=Q 40. Bxb1 Nxb1+ 41. Kd3
Na3 42. Nd6 Kg8 43. g3 Bf8 44. Ne8 f5 45. Kd4 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Barros, Jose"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "B53"]
[Annotator "Stock fish 16"]
[PlyCount "46"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Bc4 Nf6 5. Nxd4 ({RR} 5. Qe2 Nc6 6. c3 Bg4 7.
cxd4 Nxd4 8. Bxf7+ Kxf7 9. Qc4+ Ne6 10. Ng5+ Ke8 11. Nxe6 Rc8 12. Qa4+ Qd7 13.
Qxd7+ Nxd7 14. Nxg7+ Bxg7 15. Nd2 Ne5 16. f3 Bd7 {0-1 (16) Basil,A (2135)
-Grischuk,A (2795) Tromsoe 2014}) ({RR} 5. O-O Nxe4 6. Nxd4 d5 7. Bb3 e6 8. c4
dxc4 9. Bxc4 Be7 10. Bd3 Nf6 11. Nc3 O-O 12. Bg5 Bd7 13. Nf3 Nc6 14. Qe2 Qa5
15. Rad1 Nd4 16. Bxh7+ Nxh7 17. Rxd4 Nxg5 18. Rxd7 Bf6 19. Rxb7 Rfb8 {Han,Y 
(2413)-Preotu,R (2464) chess.com INT 2023 1-0 (94)}) 5... g6 $146 ({RR} 5...
Nxe4 6. Qh5 g6 7. Qd5 e6 8. Bb5+ Nd7 9. Qxe4 e5 10. O-O Bg7 11. Bc4 O-O 12. Nf3
Qb6 13. Ng5 Nf6 14. Qh4 d5 15. Bxd5 h6 16. Bxf7+ Rxf7 17. Nxf7 Kxf7 18. Be3
Qxb2 19. Nd2 Bg4 20. Rab1 {Fernandez,D-Le Nguyen Quoc,T Vung Tau 2004 1-0 (36)}
) 6. Qe2 Bg7 7. f4 O-O 8. Nc3 a6 9. Bd2 Nc6 10. Nf3 b5 11. Bd3 Nb4 12. O-O-O
Nxd3+ 13. Qxd3 b4 14. Ne2 a5 15. h4 Ba6 16. Qe3 Ng4 17. Qg1 Bxe2 18. Re1 Ba6
19. h5 Qc7 20. Re3 Rfc8 21. c3 Nxe3 22. hxg6 bxc3 23. gxf7+ Kf8 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Lemos, Jorge Joao"]
[Black "Martinoli, Eduardo"]
[Result "0-1"]
[ECO "B84"]
[Annotator "Stock fish 16"]
[PlyCount "42"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Nbd7 7. O-O a6 8.
Bg5 ({RR} 8. Re1 Be7 9. Be3 Qc7 10. Nb3 b5 11. a3 Bb7 12. Bf3 Ne5 13. Nd2 Nxf3+
14. Qxf3 O-O 15. Rad1 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. Qg3 Bd6 19. Qh3 Qxc2
20. b4 Rac8 21. Rc1 Qxc1 22. Rxc1 Rxc1+ {Batalha Ferro,M-Rodrigues Mota,S 
(1458) Florianopolis BRA 2022 0-1 (42)}) 8... b5 9. Bh5 $146 ({RR} 9. a3 Bb7
10. Bh5 g6 11. Bf3 h6 12. Be3 Bg7 13. Nb3 Ne5 14. Bf4 Nc4 15. Nd2 Nxb2 16. Qb1
Nh5 17. Bxh5 Bxc3 18. Be2 Na4 19. Ra2 Bg7 20. Bg4 h5 21. Nc4 Nc3 22. Qb3 bxc4
23. Qxb7 O-O {Bauyrzhan,A (1930)-Obolentseva,A (2151) Durban 2014 0-1}) 9...
Nb6 10. Qf3 Bd7 11. e5 dxe5 12. Nc6 Qc7 13. Ne4 Nxh5 14. Na5 Nf4 15. Rad1 h6
16. Rxd7 Qxd7 17. Rd1 Qc7 18. Bxf4 exf4 19. Nb7 Nd5 20. Nf6+ gxf6 21. Rxd5 Qxb7
0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Segal, Alexandru Sorin"]
[Black "Duarte, Fernando Pires"]
[Result "1/2-1/2"]
[ECO "A57"]
[Annotator "Stock fish 16"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 bxc4 5. Nc3 d6 6. e4 Ba6 7. Nf3 Nbd7 8. Be2
Rb8 9. O-O g6 10. Qc2 Bg7 11. Nd1 $146 ({RR} 11. Nb5 Bxb5 12. axb5 Rxb5 13.
Rxa7 Qb8 14. Ra3 Nb6 15. Nd2 O-O 16. Nxc4 Nxc4 17. Bxc4 Rb6 18. Rh3 Ng4 19. Be2
Qc8 20. Rh4 Ne5 21. b3 Qb7 22. f4 Nd7 23. Bc4 Ra8 24. e5 dxe5 25. f5 Rd6 {
Wemmers,X (2270)-Claesen,P (2404) Belgium 2001 1-0 (35)}) ({RR} 11. Nd2 Ne5 12.
Nb5 Nd3 13. Nxc4 Nb4 14. Qb1 O-O 15. Bd2 Ra8 16. Bc3 Bb7 17. f3 a6 18. Nba3 Ne8
19. a5 e6 20. Nb6 Ra7 21. dxe6 fxe6 22. Nc2 Qg5 23. Bxg7 Nxg7 24. Nxb4 Qe3+ 25.
Rf2 cxb4 {Del Rey,D (2350)-Ibanez Aullana,J (2270) Ibi 1996 1-0 (39)}) 11...
Ng4 12. Ne1 Nge5 13. f4 Nd3 14. Nxd3 cxd3 15. Bxd3 Bxd3 16. Qxd3 O-O 17. Bd2
Qb6 18. Kh1 Qb3 19. Bc3 Nb6 20. Ra3 Qc4 21. Qf3 Bxc3 22. Nxc3 Nd7 23. Nd1 Rb4
24. Re3 Nf6 25. Rfe1 Rfb8 26. h3 Rb3 27. Nc3 Rxb2 28. e5 Ne8 29. Re4 Qb3 30.
exd6 Nxd6 31. Rxe7 Rc2 32. R7e3 Nf5 33. d6 Nxe3 34. Rxe3 Rxc3 35. Rxc3 Qe6 36.
Rd3 c4 37. Rd1 Rd8 38. Qc6 h5 39. Kh2 Rd7 40. Rd4 c3 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Farias, Sergio A"]
[Result "1-0"]
[ECO "A12"]
[Annotator "Stock fish 16"]
[PlyCount "79"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. g3 e6 5. Bg2 Be7 6. c4 c6 7. O-O h6 8. d3 O-O
9. Nbd2 Bh7 10. Qb1 ({RR} 10. a3 Nbd7 11. b4 Re8 12. Qb3 Bf8 13. Ne5 Nxe5 14.
Bxe5 a5 15. bxa5 Qxa5 16. Bc3 Qc7 17. Rfb1 Reb8 18. Rc1 Nd7 19. Qb2 Qd8 20. Nb3
Ra4 21. Nd2 Ra7 22. a4 b6 23. Nb3 Rba8 24. Nd4 Nb8 {Tsydypov,Z (2529)-Jobava,B
(2627) St Petersburg RUS 2018 0-1 (76)}) ({RR} 10. Ne5 Nbd7 11. Ndf3 Nxe5 12.
Nxe5 Nd7 13. Qd2 Re8 14. Rad1 a5 15. Bc3 Nxe5 16. Bxe5 Bf8 17. Qb2 Qe7 18. e4
Rad8 19. Rfe1 dxe4 20. Bxe4 Rd7 21. Bc3 Ra8 22. a4 Qd8 23. Bxh7+ Kxh7 24. d4
Kg8 {Druska,J (2510)-Ezra,P (2245) Seattle USA 2023 1-0 (51)}) 10... a5 $146 ({
RR} 10... Ne8 11. b4 a5 12. a3 Nd6 13. Rc1 Na6 14. b5 Nc7 15. bxc6 bxc6 16. Ne5
Ra6 17. cxd5 cxd5 18. Nc6 Qd7 19. Nxe7+ Qxe7 20. a4 Rb6 21. Bf6 Rxb1 22. Bxe7 {
1-0 (22) Sunye Neto,J (2490)-Andruet,G (2430) Salamanca 1988}) 11. a3 Na6 12.
Rc1 Qb6 13. Bd4 Bc5 14. Qb2 Bxd4 15. Qxd4 Qxd4 16. Nxd4 e5 17. Nc2 Rfe8 18.
cxd5 Nxd5 19. Bxd5 cxd5 20. Ne3 Rad8 21. Ra2 Bg6 22. Rb2 Re6 23. b4 axb4 24.
axb4 b5 25. Ra1 d4 26. Nc2 e4 27. dxe4 d3 28. exd3 Rxd3 29. Ne3 Nxb4 30. Nb3
Rc3 31. Nd4 Nd3 32. Nxe6 Nxb2 33. Ra8+ Kh7 34. Nf8+ Kg8 35. Nxg6+ Kh7 36. Nf8+
Kg8 37. Nd5 Rc1+ 38. Kg2 Nd3 39. Ne7+ Kh8 40. Nfg6+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Rocha, Antonio Cavilhas"]
[Black "Braga, Cicero Nogueira"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "67"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 {Sax,G} Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6
8. Bd2 Re8 $146 ({RR} 8... Nd7 9. e3 e5 10. d5 Ne7 11. e4 h6 12. Ne1 c5 13. Nd3
({RR} 13. dxc6 bxc6 14. Be3 Nf6 15. h3 Be6 16. b3 d5) 13... f5 14. Rb1 b5 15.
b4 bxc4 16. bxc5 fxe4 17. cxd6 Nf5 18. Nb2 Nxd6 19. Nxe4 Nxe4 20. Bxe4 Nc5 21.
Bg2 Bf5 22. Bb4 Bxb1 23. Qxb1 {Smejkal,J (2575)-Sax,G (2565) Belgrad 1977 EXT
2010 [Sax,G] 1/2-1/2 (32)}) ({RR} 8... Rb8 9. Rc1 b5 10. cxb5 axb5 11. d5 Na5
12. b4 Nc4 13. Be1 Bd7 14. Nd4 Qe8 15. Nc6 Rb7 16. a4 Nb2 17. Qc2 Nxa4 18. Nxa4
bxa4 19. Qxa4 e6 20. e4 exd5 21. exd5 Ne4 22. Qa6 Bc8 23. Qc4) ({RR} 8... Bf5
9. d5 Na5 10. e4 Bg4 11. Qa4 Bxf3 12. Bxf3 c5 13. Nd1 b6 14. Ne3 Nd7 15. Qa3
Bd4 16. Rac1 Ne5 17. Be2 e6 18. Kg2 exd5 19. cxd5 Re8 20. Rc2 Nb7 21. b3 b5 22.
Qc1 Qb6 23. Re1 {Karthikeyan,P (2482)-Girinath,P (2313) Jammu IND 2018 0-1 (41)
}) ({RR} 8... Nd7 9. d5 Na5 10. b3 c5 11. a4 b6 12. Ra3 Rb8 13. Ng5 Nf6 14. h3
h6 15. Nge4 Ne8 16. f4 e5 17. e3 Bd7 {1/2-1/2 (17) Gomez Esteban,J (2460)
-Romero Holmes,A (2445) Albacete 1989}) 9. Rc1 Nd7 10. e3 e5 11. d5 Ne7 12. e4
h6 13. Ne1 Rf8 14. Nd3 b6 15. b4 f5 16. f3 Kh8 17. c5 Nf6 18. f4 Ne8 19. fxe5
dxe5 20. exf5 Bxf5 21. Qe2 bxc5 22. bxc5 Bxd3 23. Rxf8+ Bxf8 24. Qxd3 Rb8 25.
Qxa6 Bg7 26. Qe6 Kh7 27. Rf1 Rb2 28. Rf2 Ng8 29. Ne4 Rb1+ 30. Rf1 Rxf1+ 31.
Bxf1 Qe7 32. Qxe7 Nxe7 33. d6 cxd6 34. cxd6 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Resende, Antonio Carlos"]
[Black "Cajal, Andre"]
[Result "1-0"]
[ECO "A23"]
[Annotator "Stock fish 16"]
[PlyCount "119"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. d3 d5 6. cxd5 cxd5 7. Nf3 ({RR} 7.
Qa4+ Nc6 8. Nf3 O-O 9. Bg5 Qb6 10. O-O Qxb2 11. Rfc1 Ng4 12. Rab1 Qa3 13. Qxa3
Bxa3 14. Rc2 h6 15. Nb5 e4 16. Ne1 hxg5 17. Nxa3 e3 18. f3 Nf6 19. Rc3 Nd4 20.
Kf1 Re8 21. Nec2 Nxc2 {Sadhwani,R (2628)-Kantor,G (2561) Saint Louis USA 2022
1/2-1/2 (53)}) 7... d4 8. Nb1 ({RR} 8. Na4 Bd6 9. Bg5 Nbd7 10. a3 Rb8 11. b4 b6
12. O-O h6 13. Bd2 O-O 14. e3 dxe3 15. Bxe3 Nd5 16. Bd2 Bb7 17. Re1 Rc8 18. Qb3
Re8 19. Nc3 Nxc3 20. Bxc3 Qc7 21. Rac1 Qb8 22. Bb2 Rxc1 {Movsziszian,K (2488)
-Guerra Mendez,J (2497) Barcelona ESP 2023 0-1 (61)}) 8... Nc6 9. Bg5 $146 ({RR
} 9. Nbd2 O-O 10. O-O Bg4 11. Nc4 Bxf3 12. Bxf3 Re8 13. Bg5 h6 14. Bxf6 Qxf6
15. Qb3 Rab8 16. Rac1 Be7 17. Nd2 Qe6 18. Qa4 b5 19. Qb3 Qxb3 20. Nxb3 Nb4 21.
a3 Na6 22. Rc6 Rb6 23. Rxb6 axb6 {Finnsson,J (1805)-Hallmundarson,B (1162)
Reykjavik ISL 2022 1-0 (45)}) 9... h6 10. Bxf6 Qxf6 11. Nbd2 Qe7 12. Rc1 O-O
13. a3 a5 14. O-O Be6 15. Nc4 Bd5 16. Qa4 Rfb8 17. Qb5 b6 18. Nxb6 Rxb6 19.
Qxc5 Qxc5 20. Rxc5 Ne7 21. Nxe5 Bxg2 22. Kxg2 Rxb2 23. Re1 Ra2 24. Nc4 a4 25.
Kf1 Ra6 26. Rb1 Re6 27. Rb2 Ra1+ 28. Kg2 Re1 29. Re5 Rxe5 30. Nxe5 Nd5 31. Kf3
Nc3 32. h4 f6 33. Nc4 g5 34. hxg5 hxg5 35. e3 dxe3 36. Nxe3 Ra1 37. Nc4 f5 38.
Rb7 Ra2 39. Rb2 Ra1 40. g4 f4 41. Rb7 Ra2 42. Re7 Nb5 43. Re5 Nxa3 44. Rxg5+
Kh7 45. Nxa3 Rxa3 46. Kxf4 Rxd3 47. Ra5 a3 48. f3 Kg6 49. Ra6+ Kf7 50. g5 Rb3
51. Kg4 Kg7 52. f4 Rc3 53. Ra7+ Kg8 54. f5 Rc4+ 55. Kh5 Rc5 56. Kg6 Rc8 57.
Rxa3 Rd8 58. Ra7 Rc8 59. f6 Kf8 60. Rh7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Gouveia, Carlos Eduardo"]
[Black "Limp, Eduardo Thelio"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2405"]
[Annotator "Stock fish 16"]
[PlyCount "156"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. O-O e5 7. d4 Nc6 8. h3 e4
({RR} 8... Re8 9. d5 Nb8 10. e4 a5 11. Be3 Na6 12. a3 Nc5 13. Nd2 a4 14. Bxc5
dxc5 15. Nxa4 Qe7 16. b3 Bd7 17. Nb2 Ra6 18. Nd3 Rea8 19. Qc1 Ne8 20. Qb2 b6
21. b4 Nd6 22. bxc5 bxc5 23. Nxc5 {Mamedyarov,S (2762)-Carlsen,M (2855) Struga
MKD 2021 1/2-1/2 (69)}) ({RR} 8... Re8 9. Re1 e4 10. Ng5 Bf5 11. g4 h6 12. gxf5
hxg5 13. fxg6 Qd7 14. gxf7+ Kxf7 15. Bxg5 Qf5 16. h4 Ng4 17. f3 Bxd4+ 18. e3
exf3 19. Qxf3 Nxe3 20. Qh5+ Qg6 21. Qf3+ Qf5 22. Bxe3 Qxf3 23. Bxf3 {
Ladopoulos,D (2391)-Lorenzo de la Riva,L (2419) chess.com INT 2023 1-0 (39)})
9. Ne1 $146 ({RR} 9. Ng5 h6 10. d5 hxg5 11. dxc6 bxc6 12. Nxe4 Nxe4 13. Bxe4
Bxh3 14. Re1 Bd7 15. Rb1 Bf6 16. Qc2 Kg7 17. Be3 Qe7 18. Kg2 Rae8 19. Bd3 Qe6
20. Rh1 c5 21. Bd2 Rh8 22. Rxh8 Rxh8 23. Rh1 Rxh1 {Horecky,P (2029)-Polacik,I 
(2173) Slovakia 2016 0-1 (106)}) ({RR} 9. Ng5 h6 10. Ngxe4 Nxe4 11. Nxe4 Nxd4
12. Nc3 Re8 13. e3 Nc6 14. Bd2 Bf5 15. Re1 Ne5 16. g4 Be6 17. b3 Qh4 18. f4 Nd3
19. Rf1 f5 20. Qe2 Nc5 21. Be1 Qd8 22. Rd1 a5 23. Nb5 Qe7 {Dunkelblum,
A-Griffiths,P Birmingham 1972 0-1 (43)}) 9... Re8 10. Nc2 h6 11. Be3 Ne7 12. f3
d5 13. fxe4 Nxe4 14. Nxe4 dxe4 15. Bf2 Nf5 16. e3 h5 17. Qe2 c5 18. Rad1 Qc7
19. dxc5 Nxg3 20. Bxg3 Qxg3 21. Qf2 Qxf2+ 22. Rxf2 Bxb2 23. Nb4 Be5 24. Bxe4 a5
25. c6 Rb8 26. cxb7 Bxb7 27. Bxb7 Rxb7 28. Nd5 Rc8 29. Rc2 Rc5 30. Kf2 a4 31.
Ke2 a3 32. Kd3 Rb2 33. Rdc1 Kf8 34. Nc3 Ke7 35. Ne4 Ra5 36. c5 Ra4 37. c6 Bc7
38. Rc5 Ra8 39. Nc3 Ra5 40. Nd5+ Kd6 41. Rxa5 Bxa5 42. c7 Bxc7 43. Nxc7 Rxa2
44. Nb5+ Ke5 45. Rc5+ Kf6 46. Rc4 Rh2 47. Nxa3 Rxh3 48. Nc2 Kg5 49. Nd4 Rh1 50.
Nf3+ Kh6 51. Ke4 Ra1 52. Rc7 Ra4+ 53. Nd4 Kg7 54. Kf3 Ra6 55. Nc6 Ra1 56. Nd8
Rf1+ 57. Ke2 Rf6 58. e4 Kf8 59. Nc6 Kg7 60. Ke3 Rf1 61. Ne5 Rf6 62. Nf3 Kf8 63.
e5 Re6 64. Ke4 Re7 65. Rc6 Ra7 66. Ng5 Kg7 67. Kf4 Rd7 68. Ne4 Ra7 69. Rc4 Re7
70. Nf6 Ra7 71. Ne4 Re7 72. Ra4 Rb7 73. Nd6 Rb1 74. Ra7 Rf1+ 75. Ke3 Kf8 76.
Ke2 Rf4 77. Ra8+ Ke7 78. Ke3 Rf1 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Brito, Vicente de Paulo Al"]
[Black "Machado, Hermes Amilcar"]
[Result "0-1"]
[ECO "C45"]
[Annotator "Stock fish 16"]
[PlyCount "50"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. c3 Be7 7. Bd3 d5 8.
exd5 ({RR} 8. O-O Nf6 9. N1d2 O-O 10. Re1 Ne5 11. Bc2 dxe4 12. Nxe4 Nxe4 13.
Bxe4 Qxd1 14. Rxd1 c6 15. Bf4 Nc4 16. Rd4 Be6 17. Rb1 a5 18. Bd3 Nb6 19. Re1
Rfe8 20. Rde4 Nd5 21. Bd2 c5 22. R4e2 Kf8 {Lou Yiping (2492)-Wen Yang (2581)
Shaoxing CHN 2023 0-1 (49)}) 8... Qxd5 9. O-O Be6 10. c4 $146 ({RR} 10. Bf4
O-O-O 11. Bc2 Nf6 12. N1d2 Bg4 13. f3 Bh5 14. Ne4 Qb5 15. Qe1 Bg6 16. a4 Qc4
17. Nbd2 Qe6 18. b4 Nd5 19. Bb3 Qf5 20. Bg3 h5 21. Bf2 Kb8 22. Nc4 Bf6 23. b5
Nce7 24. Ne3 Qf4 {Sax,R-Karklins,E USA 1996 0-1 (60)}) 10... Qd6 11. Qe2 O-O-O
12. Be4 Nf6 13. Nc3 Nxe4 14. Qxe4 Qe5 15. Re1 Qxe4 16. Rxe4 Bf6 17. Bf4 Bf5 18.
Re3 Nb4 19. Nd5 Nc2 20. Re7 Bxe7 21. Nxe7+ Kd7 22. Nxf5 Nxa1 23. Nxa1 Rhe8 24.
Kf1 Kc6 25. Ne3 Rxe3 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Sosonko, Gennadi"]
[Black "Filguth, Rubens Alberto"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2575"]
[BlackElo "2350"]
[Annotator "Stock fish 16"]
[PlyCount "86"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 6. O-O O-O 7. Qc2 a6 8. a4
c5 9. dxc5 Nc6 10. Nbd2 Bxc5 11. Nxc4 Qe7 12. Nce5 Nb4 13. Qb3 b6 14. Bg5 Bb7
15. Ng4 Rac8 16. Rad1 $146 ({RR} 16. Ne1 Bxg2 17. Nxg2 Nbd5 18. Qf3 h6 19. Bh4
Kh7 20. e4 g5 21. exd5 Nxd5 22. Rae1 Kg7 23. N2e3 Nxe3 24. Nxe3 Qf6 25. Qxf6+
Kxf6 26. Ng4+ Kg7 27. Bxg5 hxg5 28. Rd1 Rfd8 29. Kg2 Rd4 30. Kf3 Rxa4 {Stern,R
(2320)-Drzemicki,D (2290) Warsaw 1990 0-1 (42)}) 16... Bd5 17. Qc3 Bxf2+ 18.
Rxf2 Rxc3 19. bxc3 Nc6 20. e4 Bb3 21. Rb1 h5 22. Nxf6+ gxf6 23. Bh6 Bxa4 24.
Bxf8 Kxf8 25. Rxb6 Qa7 26. Rbb2 Qc5 27. Bf1 Bd1 28. Nd4 Ne5 29. Rb8+ Kg7 30.
Rd8 Ba4 31. Bxa6 Qxc3 32. Be2 Qe3 33. h3 Bd7 34. Nf3 Bc6 35. Nxe5 fxe5 36. Bxh5
Bxe4 37. Kf1 f5 38. Rd7+ Kh6 39. Bd1 Bd3+ 40. Kg2 Be4+ 41. Kf1 Bd3+ 42. Kg2
Qe4+ 43. Kh2 Qe1 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Queiroz, Pedro Paulo S"]
[Black "Lima, Nelson Villaboim"]
[Result "1-0"]
[ECO "B70"]
[Annotator "Stock fish 16"]
[PlyCount "143"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O
Bg4 9. Qd3 ({RR} 9. Nce2 Nc6 10. h3 Bxe2 11. Nxe2 Rc8 12. Bf4 h6 13. c4 Nd7 14.
Rb1 b5 {1/2-1/2 (14) Kupreichik,V (2535)-Browne,W (2540) Reykjavik 1980}) ({RR
} 9. Qd2 Qc8 10. Re1 Bh3 11. Bh1 Nc6 12. Nf3 Bg4 13. Rb1 Rd8 14. Nd5 Nxd5 15.
exd5 Bxf3 16. Bxf3 Nd4 17. Be4 f5 18. Bg2 Qxc2 19. Qxc2 Nxc2 20. Rxe7 Re8 21.
Re6 Kf7 22. Bf4 Rxe6 23. dxe6+ Kxe6 {Zubov,A (2601)-Parkhov,Y (2370) Petah
Tikva ISR 2020 1/2-1/2 (34)}) 9... Qc8 10. Nce2 $146 ({RR} 10. Re1 Bh3 11. Nf5
Bxf5 12. exf5 Re8 13. fxg6 hxg6 14. Bg5 Nc6 15. Re2 Qg4 16. Bxf6 Bxf6 17. Nd5
Bxb2 18. Rb1 Nb4 19. h3 Nxd3 20. hxg4 Nc1 21. Re1 Ba3 22. Nc7 Rac8 23. Nb5 Rxc2
24. Nxa3 Ne2+ {Michel,P-Koch,B Bad Oeynhausen 1938 1-0 (40)}) ({RR} 10. Be3
Nbd7 11. Nd5 Nxd5 12. exd5 Ne5 13. Qb3 Nc4 14. Rac1 Bxd4 15. Bxd4 Nd2 16. Qe3
Nxf1 17. Qh6 f6 18. Bxf1 Rf7 19. Qe3 a6 20. c4 Kg7 21. b4 e5 22. Bb6 Bh3 23.
Be2 Qd7 24. Qb3 h5 {Jouneau,Q (1978)-Soyez,C (2254) La Fere 2008 0-1 (47)})
10... Nc6 11. f4 Bh3 12. c3 Bxg2 13. Kxg2 a6 14. h3 Nd7 15. Qf3 Nc5 16. Be3 Nd3
17. b3 Nc5 18. Rad1 Kh8 19. Rd2 Ne6 20. Rc1 Nexd4 21. Nxd4 Qc7 22. Nxc6 Qxc6
23. c4 f5 24. exf5 Rxf5 25. Rd5 Raf8 26. Rcd1 Rxd5 27. cxd5 Qc2+ 28. Rd2 Qb1
29. Qe2 Qe4+ 30. Kh2 Rc8 31. Qd3 Qxd3 32. Rxd3 Rc2+ 33. Rd2 Rxd2+ 34. Bxd2 Bd4
35. Kg2 Kg7 36. Kf3 Kf7 37. Ke4 Bf2 38. g4 e6 39. dxe6+ Kxe6 40. f5+ gxf5+ 41.
gxf5+ Kd7 42. Bg5 Be1 43. Kd5 Bg3 44. Bf6 Bf4 45. a4 Bg3 46. Bg5 Be5 47. f6 Bb2
48. f7 Bg7 49. a5 Bf8 50. Bf4 Kc7 51. Ke6 Kc6 52. Bg5 Kb5 53. Be7 Bh6 54. Bxd6
Kxa5 55. f8=Q Bxf8 56. Bxf8 Kb5 57. Kf6 Kc6 58. Kg7 h5 59. Kg6 h4 60. Kg5 Kd7
61. Kxh4 Ke8 62. Bc5 Kf7 63. Bb6 Kg6 64. Kg4 Kh6 65. h4 Kg6 66. h5+ Kh6 67. b4
Kg7 68. Kg5 Kh7 69. h6 Kg8 70. Kg6 Kh8 71. h7 a5 72. Bd4# 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Mascarenhas, Alberto Pinheiro"]
[Black "Machado, Hermes Amilcar"]
[Result "0-1"]
[ECO "A10"]
[Annotator "Stock fish 16"]
[PlyCount "64"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 b6 3. e4 Bb7 4. Bd3 f5 $146 ({RR} 4... Nc6 5. Bb1 Nd4 6. Nge2
c5 7. O-O Ne7 8. Nxd4 cxd4 9. Nb5 Nc6 10. e5 Nxe5 11. Nxd4 Qh4 12. Ne2 Bd6 ({RR
} 12... Nf3+) 13. f4 Qg4 14. Ng3 Qxd1 15. Rxd1 Nxc4 16. d4 O-O 17. Be4 Bxe4 18.
Nxe4 f5 19. Nc3 {Averbakh,Y (2520)-Voss,G Berlin West 1977 0-1 (44)}) ({RR} 
4... d6 5. Nge2 Nd7 6. Bc2 g6 7. d4 Bg7 8. f3 Ne7 9. O-O O-O 10. Be3 e5 11. d5
a5 12. a3 f5 13. exf5 gxf5 14. f4 Bc8 15. Ng3 e4 16. Bd4 Nf6 17. b4 Ng6 18. Nb5
Bd7 19. Qd2 {Moroni,L (2560)-Liang,A (2651) chess.com INT 2023 0-1 (42)}) ({RR
} 4... Nh6 5. Nf3 Bb4 6. a3 Bxc3 7. dxc3 Nc6 8. Bf4 f6 9. Bxh6 gxh6 10. Qd2 Qe7
11. Qxh6 O-O-O 12. O-O-O Rhg8 13. g3 Ne5 14. Nxe5 fxe5 15. Rhf1 Rdf8 16. f3 Rg6
17. Qe3 h5 18. f4 h4 19. fxe5 {Zaltsman,V (2430)-Shovel,K (2265) Gausdal 1986
1/2-1/2 (68)}) 5. exf5 Qg5 6. Be4 Bxe4 7. Nxe4 Qxg2 8. Ng3 exf5 9. Nf3 Qh3 10.
Qe2+ Be7 11. Qe5 Nc6 12. Qxc7 Nf6 13. Qf4 g6 14. Ng5 Qg4 15. Qxg4 Nxg4 16. Nf3
Nge5 17. Nxe5 Nxe5 18. b3 d5 19. O-O Bf6 20. d4 Nf3+ 21. Kg2 Nxd4 22. Bb2 dxc4
23. Rfd1 O-O-O 24. Rac1 b5 25. bxc4 b4 26. c5 Rhf8 27. c6 Kc7 28. Rc4 Nxc6 29.
Rdc1 Bxb2 30. Rxc6+ Kb8 31. R1c5 Bd4 32. Rb5+ Bb6 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Braga, Cicero Nogueira"]
[Black "Queiroz, Pedro Paulo S"]
[Result "1/2-1/2"]
[ECO "B41"]
[Annotator "Stock fish 16"]
[PlyCount "68"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Qc7 8. O-O
Nc6 9. Nc2 ({RR} 9. a3 Bd6 10. Nxc6 dxc6 11. f4 e5 12. f5 Bc5+ 13. Kh1 h5 14.
Rb1 Ng4 15. Qe1 Qd8 16. Be2 Qd4 17. Bxg4 hxg4 18. Qg3 f6 19. b3 Bd7 20. Rd1 Qf2
21. Qxf2 Bxf2 22. Rd3 Ke7 23. Rb2 Bd4 {Borisek,J (2508)-Hulak,K (2562) Murska
Sobota 2007 1/2-1/2 (59)}) 9... Bxc3 10. bxc3 d5 $146 ({RR} 10... O-O 11. f4 d6
12. Kh1 b6 13. Be3 Na5 14. e5 Ne8 15. Rf3 Bb7 16. Rh3 f5 17. Qh5 g6 18. Qh6 Rf7
19. Nd4 dxe5 20. fxe5 Nxc4 21. Nxe6 Qc6 22. Nf4 Nxe3 23. Rxe3 Qxc3 24. Rae1 Rc8
25. Bf1 {Mercuri,L-Veizaj,M Leipzig 1960 1/2-1/2 (57)}) ({RR} 10... Ne5 11. Ba3
Nfg4 12. f4 Nxd3 13. Qxg4 g6 14. Qg5 d6 15. Rad1 Nc5 16. Rxd6 Qxd6 17. Bxc5 Qd8
18. Qe5 f6 19. Qd4 Qxd4+ 20. cxd4 Bd7 21. Rb1 b5 22. a4 bxa4 23. Rb7 Rc8 24.
Kf2 g5 25. g3 {Ferreira,V (2128)-Tarnowska,A (1876) chess.com INT 2022 0-1 (60)
}) ({RR} 10... Ne5 11. Ne3 d6 12. f4 Nxd3 13. Qxd3 O-O 14. Ba3 Rd8 15. Rfd1 d5
16. cxd5 Qxf4 17. Be7 Re8 18. Bxf6 gxf6 19. Rf1 Qg5 20. Rf3 Kh8 21. Rg3 Qh6 22.
Ng4 Qg5 23. Rf1 f5 24. exf5 e5 25. Nxe5 {Bijlsma,N-Van der Berg,W Groningen
2007 1-0}) 11. exd5 exd5 12. Bg5 Be6 13. Bxf6 dxc4 14. Bxg7 Rg8 15. Bf6 cxd3
16. Qxd3 Rg6 17. Qf3 Ne5 18. Bxe5 Qxe5 19. Rfe1 Qc7 20. Rad1 Kf8 21. Rb1 Rc8
22. Re3 b5 23. a3 Qc4 24. g3 Bg4 25. Qb7 Qa2 26. Rc1 Qb2 27. Ree1 Rxc3 28. Qe7+
Kg7 29. Qe5+ Rf6 30. Qg5+ Rg6 31. Qe5+ Rf6 32. Qg5+ Rg6 33. Qe5+ Rf6 34. Qg5+
Rg6 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Brito, Luismar Jorge"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "1/2-1/2"]
[ECO "C56"]
[Annotator "Stock fish 16"]
[PlyCount "122"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8.
Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bf8 12. Nxf7 ({RR} 12. g4 Qd5 13. Nxe6
fxe6 14. f7+ Kd7 15. Ng5 e5 16. f4 h6 17. Ne4 Bd6 18. f5 Qxf7 19. Qf3 Raf8 20.
Bd2 Kc8 21. Rad1 Kb8 22. b3 c3 23. Bc1 Ne7 24. Rf1 Nd5 25. a4 Be7 26. a5 a6 {
Perez Rodriguez,J (2251)-Tokhirjonova,G (2344) chess.com INT 2021 1-0 (46)})
12... Kxf7 13. Ng5+ Kg8 14. g4 Qxf6 $146 ({RR} 14... Qd5 15. Nxe6 Rc8 16. Bf4
gxf6 17. Nxc7 Qd7 18. Ne6 Bg7 19. Qf3 h6 20. Rad1 b6 21. Qe4 Re8 22. Qf5 Qf7
23. Nc7 Rxe1+ 24. Rxe1 Ne5 25. Ne6 Nf3+ 26. Kf1 Nxe1 27. Kxe1 d3 28. cxd3 cxd3
29. Bd6 {Leonhardt,P-Jacob,F Ostend 1907 1/2-1/2 (44)}) ({RR} 14... Qd5 15.
Nxe6 Rc8 16. f7+ Kxf7 17. Nf4 Qd7 18. Qe2 b5 19. Qf3 Kg8 20. Bd2 Bb4 21. c3
dxc3 22. bxc3 Rf8 23. Rad1 Bd6 24. Bc1 Ne7 25. Ba3 g5 26. Bxd6 cxd6 27. Rxe7
Qxe7 28. Qd5+ Rf7 29. Ne6 {Arngrimsson,D (2383)-Thorfinnsson,B (2376)
Mosfellsbaer 2010 1-0 (35)}) 15. Rxe6 Qd8 16. Qf3 Qd7 17. Re4 Rd8 18. Bd2 h5
19. Rae1 hxg4 20. Rxg4 Qd5 21. Qxd5+ Rxd5 22. Re8 Rf5 23. Rc8 Ne5 24. Rg3 Rh5
25. Kg2 Nf7 26. Ne6 Nd6 27. Rxg7+ Kh8 28. Rd8 c3 29. bxc3 Ne4 30. Bf4 Nc5 31.
Nxc5 Kxg7 32. Nd3 c5 33. c4 b5 34. Bg3 bxc4 35. Nf4 Rh6 36. Kf3 Bd6 37. Kg4 Re5
38. Rd7+ Kg8 39. Rxa7 Rh7 40. Ra8+ Kf7 41. Nh3 Rg7+ 42. Kf3 Re6 43. Nf4 Bxf4
44. Bxf4 Rg1 45. Rc8 Ra1 46. Rxc5 c3 47. Ra5 d3 48. cxd3 c2 49. Rc5 Rxa2 50. h4
Ra3 51. Rxc2 Rxd3+ 52. Be3 Kg6 53. Rc5 Rd7 54. h5+ Kh7 55. Bf4 Rf7 56. Kg3 Rf8
57. Kf3 Rff6 58. Rc8 Re1 59. Rc4 Ree6 60. Kg4 Re2 61. Kg3 Re1 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Rocha, Antonio Cavilhas"]
[Black "Loureiro, Luiz R Vasconcelos"]
[Result "1-0"]
[ECO "A89"]
[WhiteElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "121"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 d6 7. Nc3 Nc6 8. d5
Na5 9. Nd2 c5 10. Qc2 a6 11. b3 Rb8 12. Bb2 b5 13. Nd1 ({RR} 13. Rab1 e5 14.
dxe6 Bxe6 15. Nd5 bxc4 16. bxc4 Nxd5 17. cxd5 Bf7 18. Bxg7 Rxb1 19. Rxb1 Kxg7
20. Qc3+ Kh6 21. e4 Be8 22. e5 dxe5 23. Qxe5 Bb5 24. d6 Re8 25. Qf4+ Qg5 26.
Nf3 Qxf4 27. gxf4 Rd8 {Butti,E (2006)-Bashkansky,E (2101) chess.com INT 2023
1-0 (39)}) 13... e5 14. dxe6 Bxe6 15. Bc3 $146 ({RR} 15. Ne3 Qc7 16. Nd5 Qf7
17. Nf4 bxc4 18. Nxe6 Qxe6 19. bxc4 Rxb2 20. Qxb2 Ne4 21. Qc2 Bxa1 22. Rxa1 Qe5
23. Rc1 Nf6 24. Nf3 Qe8 25. Qd2 Nc6 26. Qxd6 Ne4 27. Qd5+ Kh8 28. a3 Rf6 29.
Qd1 Rd6 {Denderski,P (2289)-Dudzinski,P (2208) Krakow 2007 1/2-1/2 (48)}) 15...
d5 16. cxd5 Bxd5 17. Bxd5+ Nxd5 18. Bxg7 Kxg7 19. Qxc5 Qc7 20. Qd4+ Nf6 21. Nf3
Rfc8 22. Ne3 Qc3 23. Qh4 Qc7 24. Rad1 Qe7 25. Qg5 Kh8 26. Nh4 Nc6 27. Qf4 Qc7
28. Qh6 Qg7 29. Qxg7+ Kxg7 30. Nd5 Nxd5 31. Rxd5 Rd8 32. Rfd1 Rxd5 33. Rxd5 Rd8
34. Rxd8 Nxd8 35. Nf3 Nc6 36. a3 Kf6 37. Kf1 Ke6 38. e3 Kd5 39. Ke2 Ke4 40.
Ng5+ Kd5 41. Nf3 Ke4 42. Nd2+ Kd5 43. f4 b4 44. a4 Na5 45. Kd3 h6 46. h3 Kc5
47. e4 fxe4+ 48. Kxe4 h5 49. g4 hxg4 50. hxg4 Nc6 51. f5 gxf5+ 52. gxf5 Kd6 53.
Nc4+ Ke7 54. Kd5 Nb8 55. Kc5 Kf6 56. Ne3 Ke5 57. Kxb4 Ke4 58. Ka5 Nd7 59. Kxa6
Kxe3 60. Kb5 Ke4 61. a5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Martinoli, Eduardo"]
[Black "Teixeira, Ricardo da Silva"]
[Result "1-0"]
[ECO "B26"]
[Annotator "Stock fish 16"]
[PlyCount "103"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. a4 a6 8. Nge2 ({
RR} 8. f4 b5 9. axb5 axb5 10. e5 Nd4 11. Ne4 Nh6 12. Nf3 Ng4 13. Bg1 dxe5 14.
h3 Nh6 15. Nxe5 Bb7 16. c3 Ne6 17. Qd2 Ra8 18. Rd1 Rc8 19. Ng5 Bd5 20. Nxe6
Bxe6 21. Bf2 Bd5 22. O-O Bxg2 {Di Paolo,R (2338)-Georgiev,K (2669) Arvier 2010
0-1 (48)}) 8... e5 9. O-O $146 ({RR} 9. Nd5 Nge7 10. Nxe7 Nxe7 11. Qd2 Nc6 12.
Bh6 O-O 13. O-O f6 14. Bxg7 Kxg7 15. f4 Be6 16. f5 Bf7 17. h4 d5 18. Rf2 gxf5
19. exd5 Bxd5 20. Rxf5 Bxg2 21. Kxg2 c4 22. Raf1 cxd3 23. cxd3 Qd7 {Narciso
Dublan,M (2401)-Lopez Martinez,J (2470) Marbella ESP 2023 1/2-1/2 (40)}) 9...
Nge7 10. Qd2 O-O 11. Nd1 Nd4 12. Nc1 f5 13. c3 Ne6 14. Ne2 d5 15. f3 d4 16. Bf2
f4 17. b4 cxb4 18. cxd4 exd4 19. Qxb4 Nc6 20. Qb3 Kh8 21. Rc1 fxg3 22. Bxg3 Ra8
23. f4 h5 24. f5 h4 25. fxe6 Rxf1+ 26. Kxf1 hxg3 27. Nxg3 Qf6+ 28. Kg1 Bh6 29.
Rc2 Bxe6 30. Qb2 Rf8 31. Rf2 Qxf2+ 32. Nxf2 Be3 33. Ngh1 Ne5 34. Qa3 Rc8 35.
Bf1 Ng4 36. h3 Nxf2 37. Nxf2 Rc2 38. Qf8+ Bg8 39. Qf6+ Kh7 40. Qh4+ Kg7 41.
Qe7+ Bf7 42. Bg2 Rxf2 43. Kh1 Rd2 44. Bf3 Rxd3 45. Bg4 Kg8 46. Qd8+ Kg7 47. e5
Bb3 48. Qd7+ Kh6 49. e6 Rc3 50. e7 Rc1+ 51. Kg2 Rc2+ 52. Kg3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Filguth, Rubens Alberto"]
[Black "Van Riemsdijk, Dirk Dagobert"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2350"]
[Annotator "Stock fish 16"]
[PlyCount "72"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bf5 7. Bxf5 gxf5 8.
Nf3 e6 9. O-O Bd6 10. Bxd6 Qxd6 11. Re1 Nge7 12. Qd3 $146 ({RR} 12. Ne5 Nxe5
13. Rxe5 O-O 14. Qh5 Ng6 15. Re3 Qf4 16. Nd2 Qh4 17. Qd1 Kh8 18. Rh3 Qf6 19.
Nf3 Rg8 20. Qd2 Ne7 21. Ne5 Nc6 22. Re1 Nxe5 23. Rxe5 Qg5 24. f4 Qf6 25. Ree3
Rg4 26. Qf2 Rag8 {Kuznetsov,F (2254)-Dudzinski,P (2186) chess.com INT 2023 0-1
(45)}) 12... O-O-O 13. Ne5 Nxe5 14. dxe5 Qc7 15. Nd2 Rhg8 16. Kh1 Kb8 17. Nb3
Ng6 18. Qe3 f4 19. Qc5 Qd7 20. Rad1 Rc8 21. Qd4 Qe7 22. Nd2 Nh4 23. Rg1 Rg4 24.
c4 Nf5 25. Qd3 dxc4 26. Nxc4 f3 27. Nd6 fxg2+ 28. Rxg2 Rd4 29. Qe2 Rxd1+ 30.
Qxd1 Rd8 31. Rg4 a6 32. Qd3 Nxd6 33. Rd4 Qg5 34. exd6 Rg8 35. Qf1 Qe5 36. Qd1
Qg7 {time} 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Farias, Sergio A"]
[Black "Segal, Alexandru Sorin"]
[Result "1-0"]
[ECO "E29"]
[Annotator "Stock fish 16"]
[PlyCount "49"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. e3 O-O 7. Bd3 c5 8. Ne2
Nc6 9. e4 ({RR} 9. Rb1 Ba6 10. e4 Ne8 11. f4 f5 12. exf5 exf5 13. dxc5 bxc5 14.
O-O Nd6 15. Ng3 Na5 16. Be2 Qc7 17. Qd5+ Kh8 18. Rd1 Naxc4 19. Nxf5 Nxf5 20.
Bxc4 Bxc4 21. Qxc4 Qc6 22. Qd5 Qg6 23. Qxc5 d6 {Royal,S (2404)-McDonald,N 
(2411) England ENG 2023 1/2-1/2 (78)}) 9... e5 ({RR} 9... Ba6 10. Bg5 h6 11.
Bh4 e5 12. O-O g5 13. f4 gxh4 14. fxe5 Ng4 15. Nf4 Qg5 16. Nh3 Qg7 17. Rf4 h5
18. Qe1 cxd4 19. Qxh4 Ngxe5 20. Qxh5 Qg6 21. Qh4 Kg7 22. Be2 Rh8 23. Qf2 d3 {
0-1 (23) Sarana,A (2670)-Deac,B (2683) chess.com INT 2022}) 10. d5 Na5 11. Ng3
$146 ({RR} 11. O-O d6 12. f4 Nd7 13. f5 Ba6 14. f6 Nxf6 15. Bg5 Bxc4 16. Bxf6
gxf6 17. Ng3 Kh8 18. Nh5 Rg8 19. Bxc4 Nxc4 20. Rf3 f5 21. exf5 e4 22. Rh3 Qg5
23. Ra2 Qxf5 24. Ng3 Qg6 25. Qe2 Ne5 {Smirnova,E (2192)-Iljushina,O (2259) St
Petersburg RUS 2018 0-1 (32)}) ({RR} 11. O-O d6 12. f4 Nd7 13. f5 Ba6 14. f6
Nxf6 15. Bg5 Bxc4 16. Bxf6 gxf6 17. Ng3 Kh8 18. Nh5 Rg8 19. Bxc4 Nxc4 20. Rf3
f5 21. exf5 e4 22. Rh3 Qg5 23. Ra2 Qxf5 24. Ng3 Qg6 25. Qe2 Ne5 {Smirnova,E 
(2192)-Iljushina,O (2259) St Petersburg RUS 2018 0-1 (32)}) 11... d6 12. O-O
Ba6 13. f4 Nd7 14. Nf5 Bxc4 15. Nxd6 Bxd3 16. Qxd3 Nb3 17. Rb1 Nxc1 18. Rbxc1
f6 19. Qh3 f5 20. Nxf5 exf4 21. Rxf4 Qg5 22. Rcf1 Ne5 23. Qg3 Qf6 24. d6 Ng6
25. Nh6+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Quinteros, Miguel Angel"]
[Black "Sosonko, Gennadi"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2480"]
[BlackElo "2575"]
[Annotator "Stock fish 16"]
[PlyCount "87"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 Nf6 6. Nbd2 Be7 7. e4 O-O 8. Re1
d4 9. Nc4 Nd7 10. a4 Rb8 11. c3 ({RR} 11. Bd2 b6 12. h4 a6 13. Bh3 Qc7 14. Kg2
b5 15. axb5 axb5 16. Na5 Nb4 17. Rh1 c4 18. Bxd7 Bxd7 19. Nxe5 Qxe5 20. Bf4 Qe6
21. Bxb8 Rxb8 22. f3 cxd3 23. cxd3 Rc8 24. Rc1 Ra8 25. Ra1 f5 {Catala Matienzo,
I (2078)-Perez Marimon,J (2307) Cancun MEX 2023 0-1 (36)}) 11... b6 12. Bd2 a6
$146 ({RR} 12... Qc7 13. Qc2 dxc3 14. bxc3 Rd8 15. Bh3 Nf6 16. Bxc8 Rbxc8 17.
Rad1 h6 18. Nh4 Bf8 19. f4 Qd7 20. Bc1 exf4 21. gxf4 Qh3 22. Nf5 Qg4+ 23. Ng3
Nh5 24. Ne3 Qh3 25. Nxh5 Qxh5 26. Qe2 Qxe2 27. Rxe2 {Nikolic,N (2365)-Orlov,G 
(2425) Belgrade 1988 0-1 (55)}) 13. Bh3 Qc7 14. cxd4 cxd4 15. Qc2 Nc5 16. Bxc8
Rfxc8 17. b4 Nxa4 18. Qxa4 b5 19. Qxa6 bxc4 20. Qxc4 Bxb4 21. Reb1 Bxd2 22.
Nxd2 h6 23. Nf3 Qd6 24. Rxb8 Qxb8 25. Qc5 Qb2 26. Qc1 Qc3 27. Qd1 Qb4 28. Rc1
Qb5 29. Nh4 Ne7 30. Rxc8+ Nxc8 31. Nf5 Kh7 32. Qg4 g6 33. Nxh6 Kxh6 34. Qxc8
Kg7 35. Qc2 f5 36. f3 Qa5 37. exf5 Qe1+ 38. Kg2 gxf5 39. h4 Kf6 40. Qc6+ Ke7
41. Qc7+ Ke6 42. Qc8+ Kf6 43. Qf8+ Ke6 44. Qg8+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Mercadante, Ricardo Rodrigues"]
[Black "Brito, Vicente de Paulo Al"]
[Result "1/2-1/2"]
[ECO "A00"]
[Annotator "Stock fish 16"]
[PlyCount "0"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

{game score not available}  1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Cajal, Andre"]
[Result "1-0"]
[ECO "E14"]
[Annotator "Stock fish 16"]
[PlyCount "59"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. c4 Bb7 4. Nf3 e6 5. Be2 d5 6. O-O Be7 7. Nc3 O-O 8. b3 c5
9. Bb2 Nbd7 10. Rc1 Rc8 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Bd3 ({RR} 13. Ba6 Rc7
14. Qc2 Bxf3 15. gxf3 Bd6 16. Qe4 Qg5+ 17. Qg4 Qh6 18. f4 Nf6 19. Qg2 Nd5 20.
Rfd1 Nb4 21. dxc5 Bxc5 22. Bb5 Nxa2 23. Rc4 Nb4 24. Be5 Rcc8 25. Bd7 Rcd8 26.
Bc7 Ra8 27. f5 Nd5 {Jumabayev,R (2609)-Nesterov,A (2573) Almaty KAZ 2022 1/2-1/
2 (42)}) 13... cxd4 14. Rxc8 Qxc8 15. Nxd4 $146 ({RR} 15. exd4 Qb7 16. Be2 Rc8
17. Qd2 Bf6 18. Rc1 Rxc1+ 19. Qxc1 Nb8 20. Qf4 Nc6 21. Bc3 h6 22. h3 Qd7 23.
Bb5 Qd8 24. Ne5 Nxe5 25. dxe5 Qc7 26. Qd4 Be7 27. Qd2 Qb7 {1/2-1/2 (27)
Siepmann,M-Gralla,M Koerbecke 2000}) 15... Qa8 16. Nf3 Rd8 17. Qc2 h6 18. e4
Bb7 19. Qc3 Bf8 20. e5 Bxf3 21. gxf3 Nxe5 22. Be4 Nxf3+ 23. Qxf3 Qc8 24. Kh1
Rd2 25. Bc1 Rxa2 26. Bb1 Ra5 27. Rg1 g6 28. Bxg6 fxg6 29. Rxg6+ Kh8 30. Qf6+
1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Lima, Nelson Villaboim"]
[Black "Barros, Jose"]
[Result "0-1"]
[ECO "B41"]
[Annotator "Stock fish 16"]
[PlyCount "10"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bf4 e5 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Resende, Antonio Carlos"]
[Black "Bere Filho, Romulo Fernando"]
[Result "1-0"]
[ECO "A05"]
[Annotator "Stock fish 16"]
[PlyCount "87"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d3 e6 5. e4 d6 6. O-O Be7 7. Re1 O-O 8. Nbd2
c5 9. a4 ({RR} 9. c3 Nc6 10. a3 Ne5 11. Nxe5 dxe5 12. Nc4 Qc7 13. f4 exf4 14.
Bxf4 Qc6 15. Qe2 Rad8 16. a4 Ne8 17. Rad1 Qc8 18. Qc2 Nd6 19. Ne3 Rd7 20. h4
Rfd8 21. Ng4 Rf8 22. h5 h6 23. Qc1 Ne8 {Morozevich,A (2716)-Ivanchuk,V (2711)
Moscow 2002 1/2-1/2 (43)}) 9... Qc7 10. c3 Nbd7 11. h4 $146 ({RR} 11. Nc4 a6
12. Bf4 b5 13. Ncd2 e5 14. Bg5 h6 15. Bxf6 Nxf6 16. Nf1 c4 17. Nh4 Rfd8 18. d4
exd4 19. Qxd4 d5 20. exd5 Bc5 21. Qd2 Bxd5 22. Qc2 Bxg2 23. Nxg2 Ng4 24. Nge3
Ne5 25. Qe4 Nd3 {Suarez Uriel,A (2137)-Moreno Ruiz,J (2459) Madrid 2010 0-1 
(39)}) ({RR} 11. Nc4 a6 12. Bf4 b5 13. axb5 axb5 14. Rxa8 Rxa8 15. Na3 Bc6 16.
Nc2 Qb7 17. b4 e5 18. Bd2 c4 19. dxc4 bxc4 20. Nh4 Bxe4 21. Rxe4 Nxe4 22. Nf5
Bf8 23. Nh6+ gxh6 24. Qg4+ Kh8 25. Bxe4 d5 {Weinzettl,E (2144)-Mintau,A (2016)
Arad ROU 2021 1/2-1/2 (37)}) 11... Rac8 12. Qe2 Rfd8 13. Nh2 a6 14. f4 b5 15.
axb5 axb5 16. Nhf3 Ra8 17. Rxa8 Rxa8 18. Bh3 Nf8 19. e5 N6d7 20. exd6 Qxd6 21.
Ne4 Qc6 22. Bg2 Rd8 23. Nfg5 Qc7 24. Qh5 Bxg5 25. hxg5 Ng6 26. Be3 b4 27. Qe2
bxc3 28. bxc3 Ne7 29. Rb1 Ba6 30. Ra1 Bb5 31. c4 Bc6 32. Qf2 Nf5 33. g4 Nxe3
34. Qxe3 Qb6 35. Qf2 Rc8 36. Nd6 Rb8 37. Ne4 g6 38. Qa2 Bxe4 39. Bxe4 Qc7 40.
Qa7 Qxa7 41. Rxa7 Rb1+ 42. Kf2 Rb2+ 43. Ke3 Rb3 44. Rxd7 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Pimenta, Jeronimo Marques"]
[Black "Gouveia, Carlos Eduardo"]
[Result "0-1"]
[ECO "D80"]
[BlackElo "2405"]
[Annotator "Stock fish 16"]
[PlyCount "94"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Bc4 Nxc3 7. bxc3 O-O 8.
Ne2 c5 9. O-O Qc7 ({RR} 9... Nc6 10. Ng3 Qc7 11. Qe2 b6 12. a4 Bb7 13. Ba3 e6
14. Bd3 Rfd8 15. dxc5 Ne5 16. Be4 Bd5 17. Bxd5 exd5 18. cxb6 axb6 19. Bb4 Nc6
20. Rfc1 h5 21. h3 Qe5 22. Rab1 Rdc8 23. Qb5 Bh6 24. Nf1 {Frolyanov,D (2485)
-Shuvalov,E (2073) chess.com INT 2023 1/2-1/2 (45)}) 10. Bd3 $146 ({RR} 10. Bb3
Nd7 11. e4 b6 12. Be3 Ba6 13. f3 e6 14. Qe1 Rfd8 15. Rd1 Rac8 16. Qf2 Qb7 17.
d5 c4 18. Bc2 exd5 19. Rxd5 Ne5 20. Nf4 Nd3 21. Qh4 Qb8 22. Rxd8+ Rxd8 23. Nd5
Qd6 24. Bg5 Re8 {Jakobsen,O-Liersch,A Meldorf 1968 1/2-1/2 (36)}) ({RR} 10. Bb3
Nc6 11. Ba3 b6 12. Qd2 Bb7 13. Rac1 Rfd8 14. Rfd1 e6 15. Qe1 Ne7 16. Ng3 h5 17.
f3 {1/2-1/2 (17) Omar,S-Ssentongo,E Thessaloniki 1988}) 10... b6 11. Be4 Nc6
12. Ba3 Bb7 13. Qa4 Nxd4 14. cxd4 Bxe4 15. Rac1 Bd3 16. Rfe1 b5 17. Qd1 Bxe2
18. Rxe2 c4 19. Rb2 Rfb8 20. Qf3 a6 21. Bc5 e6 22. a4 Qxc5 23. dxc5 Bxb2 24.
Rd1 Ra7 25. c6 Kg7 26. Qe4 Bf6 27. g4 Raa8 28. c7 Re8 29. f4 Rac8 30. g5 Be7
31. Rd7 Kg8 32. Qc6 c3 33. Qxc3 bxa4 34. Kg2 a3 35. Kf3 a2 36. Qb2 Bf8 37. Qxa2
Re7 38. Rd8 Rexc7 39. Rxc8 Rxc8 40. Qxa6 Rd8 41. h4 Rb8 42. Qa7 Rd8 43. Qc7 Rd5
44. Qc8 Rc5 45. Qe8 Rd5 46. e4 Rd3+ 47. Kg4 $4 f5+ 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Papaleo, Lisandro"]
[Black "Lemos, Jorge Joao"]
[Result "1-0"]
[ECO "B15"]
[Annotator "Stock fish 16"]
[PlyCount "69"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. Nf3 Bg7 5. Be2 Bg4 6. Be3 Nd7 ({RR} 6... Nf6 7.
h3 Bxf3 8. Bxf3 dxe4 9. Nxe4 Nd5 10. Bc1 Nd7 11. O-O O-O 12. c4 Nc7 13. Be3 f5
14. Nc3 e5 15. dxe5 Nxe5 16. Be2 Qe7 17. Qc1 Qf7 18. Bf4 Ne6 19. Bxe5 Bxe5 20.
Re1 Rae8 21. c5 {Sellos,D (2405)-Chernin,A (2580) Paris 1989 0-1 (117)}) ({RR} 
6... Nf6 7. h3 Bxf3 8. Bxf3 e6 9. e5 Nfd7 10. h4 h5 11. a4 a6 12. a5 Qc7 13.
Qd2 c5 14. O-O cxd4 15. Bxd4 Nc6 16. Bb6 Nxb6 17. axb6 Qxb6 18. Na4 Qb4 19. c3
Qxh4 20. Nb6 Rd8 21. Ra4 {Bas Mas,J (2241)-Dudzinski,P (2186) chess.com INT
2022 0-1}) 7. Qd2 $146 ({RR} 7. exd5 cxd5 8. Nxd5 Ngf6 9. Nxf6+ Nxf6 10. h3 Bf5
11. O-O O-O 12. c4 Rc8 13. Qa4 a6 14. Rac1 Ne4 15. Qb3 Nd6 16. c5 Be6 17. d5
Bf5 18. cxd6 Qxd6 19. Bd3 Bxd3 20. Qxd3 e6 21. b3 exd5 {Rychtecky,P (1643)
-Bilek,M (1398) Pardubice 2017 1/2-1/2 (41)}) 7... dxe4 8. Nxe4 Ngf6 9. Nxf6+
Nxf6 10. h3 Ne4 11. Qc1 Qa5+ 12. Kf1 Bd7 13. c3 h6 14. a4 g5 15. b4 Qc7 16. Nd2
Nd6 17. a5 f5 18. Bh5+ Kd8 19. d5 cxd5 20. Bb6 axb6 21. axb6 Qxb6 22. Rxa8+ Kc7
23. Ra5 Rc8 24. Rc5+ Kb8 25. Qa3 Nb5 26. Rxc8+ Bxc8 27. Qa5 Qc6 28. c4 dxc4 29.
Bf3 Qd6 30. Qxb5 Qd3+ 31. Ke1 Bc3 32. Qd5 Bxd2+ 33. Kd1 Qb3+ 34. Kxd2 c3+ 35.
Kd3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Sampaio, Francisco"]
[Black "Duarte, Fernando Pires"]
[Result "0-1"]
[ECO "A16"]
[Annotator "Stock fish 16"]
[PlyCount "138"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d5 6. cxd5 Nxd5 7. O-O Nc6 8.
Nxd5 Qxd5 9. d3 Qh5 10. Qb3 ({RR} 10. h4 Bg4 11. Rb1 Rad8 12. a3 e5 13. Be3 e4
14. Qb3 exf3 15. exf3 Bxf3 16. Qxb7 Ne5 17. Bxf3 Nxf3+ 18. Kg2 Nxh4+ 19. gxh4
Qg4+ 20. Kh2 Qxh4+ 21. Kg1 Rxd3 22. Rfd1 Rxd1+ 23. Rxd1 Qg4+ {0-1 (23) Waldo
Zalapa,Z (1921)-Mosadeghpour,M (2486) lichess.org INT 2021}) 10... a5 11. Bd2 (
{RR} 11. a4 Nb4 12. Bg5 Be6 13. Qd1 Rfe8 14. Qd2 c5 15. Rac1 b6 16. h3 Bxh3 17.
Rc4 Bg4 18. Nh2 Bd4 19. Bxa8 Rxa8 20. Nxg4 Qxg4 21. Be3 Nc6 22. Kg2 Rd8 23. Rh1
h5 24. Bxd4 Nxd4 25. Qe3 Qd7 {Roa Alonso,S (2381)-Gustafsson,J (2570) Madrid
2003 0-1 (46)}) 11... a4 12. Qc2 $146 ({RR} 12. Qa3 Bh3 13. Rac1 Bxg2 14. Kxg2
Qd5 15. Rc5 Bxb2 16. Qxb2 Qxc5 17. Bh6 f6 18. Bxf8 Kxf8 19. Qxb7 Rb8 20. Qxc7
Rb2 21. Qc8+ Kg7 22. Qe6 a3 23. d4 Qd6 24. Qc4 Nb4 25. Rc1 Qd5 26. Qxd5 Nxd5 {
Vospernik,Z (2180)-Kozul,Z (2575) Ljubljana 1994 0-1 (35)}) 12... Qb5 13. Bc3
e5 14. Rfd1 Re8 15. e4 Rd8 16. Bf1 Qc5 17. Qe2 a3 18. Rdc1 axb2 19. Qxb2 Qa3
20. Rc2 Qxb2 21. Bxb2 Bg4 22. Ne1 Be6 23. a3 Rd7 24. Nf3 f6 25. h3 Bf8 26. Rb1
Ba2 27. Rbc1 Bb3 28. Rc3 Be6 29. Kg2 Bd6 30. Be2 Nd4 31. Nxd4 exd4 32. R3c2 Bb3
33. Rd2 c5 34. Bd1 Be6 35. Bg4 f5 36. exf5 gxf5 37. Bf3 Ra5 38. Rb1 Rb5 39. Bd1
Rb6 40. a4 Re7 41. Rc1 Bd5+ 42. Bf3 Bxf3+ 43. Kxf3 Rb3 44. Kg2 Kf7 45. Ra1 Ke6
46. a5 Kd5 47. a6 bxa6 48. Rxa6 Reb7 49. Ba3 Bc7 50. Kf1 R7b5 51. Rd1 Rc3 52.
Ke2 Ba5 53. Bc1 Rc2+ 54. Kf3 Bc7 55. Bg5 Rbb2 56. Rf1 Rb3 57. Rd1 Rbb2 58. Rf1
Rb3 59. Rd1 c4 60. Rf6 Rxd3+ 61. Rxd3 cxd3 62. Rxf5+ Kc4 63. Rf7 Ba5 64. Rd7 d2
65. Bxd2 Rxd2 66. Ke4 Re2+ 67. Kf3 Re8 68. Rxh7 d3 69. Rd7 Rd8 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Pereira, Fernando"]
[Black "Gaui, Roberto"]
[Result "1-0"]
[ECO "B70"]
[Annotator "Stock fish 16"]
[PlyCount "91"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be2 Bg7 7. O-O Nc6 8.
Nb3 O-O 9. Bg5 Be6 10. Kh1 a6 11. Qd2 $146 ({RR} 11. f4 b5 12. Bf3 Rc8 13. Nd5
Nd7 14. c3 Nb6 15. Qe2 Nc4 16. Rad1 Qd7 17. Rfe1 Qa7 18. Bh4 Rfe8 19. Nc1 Qb8
20. Nd3 a5 21. Nf2 Bd7 22. Bg4 Bxg4 23. Nxg4 a4 24. a3 Qb7 25. Rf1 Nd8 {
Karpov,A (2690)-Martin Gonzalez,A Las Palmas 1977 1-0 (33)}) ({RR} 11. f4 b5
12. a3 Rc8 13. Qe1 Na5 14. Nxa5 Qxa5 15. f5 Bc4 16. Bd3 Rfe8 17. Qh4 Bxd3 18.
cxd3 b4 19. axb4 Qxb4 20. fxg6 hxg6 21. Qf2 Rb8 22. Rab1 Qb3 23. Bxf6 Bxf6 24.
Qf3 Qe6 25. Nd5 Rec8 {Milos,G (2603)-Matsuura,E (2478) Americana 2009 1/2-1/2 
(49)}) ({RR} 11. f4 b5 12. Bf3 Rc8 13. Nd5 Nd7 14. c3 Nb6 15. Qe2 Re8 16. Rad1
Nc4 17. Nc1 f6 18. Bh4 Bf7 19. b3 Nb6 20. Bf2 Nd7 21. Qd2 e6 22. Ne3 Bf8 23.
Bh4 g5 24. Bg3 gxf4 25. Bxf4 Nde5 {Solys,L (2300)-Sakalauskas,V (2327)
Lithuania LTU 2022 0-1 (67)}) ({RR} 11. f4 Qc8 12. Bf3 Rb8 13. Nd5 Bxd5 14.
exd5 Na7 15. c3 Qd7 16. Qd3 Rfc8 17. Rae1 Rc7 18. Re2 Qa4 19. Rfe1 h6 20. Bh4
Nc8 21. Nd4 Qxa2 22. b3 Qa5 23. c4 Rd7 24. g4 Qb6 25. Bf2 Qd8 {Bjork,
C-Duchesne,E Graz 1978 1-0 (39)}) 11... Re8 12. f4 b5 13. Bf3 Rc8 14. Nd5 Nd7
15. c3 Nb6 16. Rfd1 Bxd5 17. exd5 Nc4 18. Qe2 Nb8 19. Nd4 Bxd4 20. Rxd4 Nd7 21.
a4 Qb6 22. Bg4 Rc7 23. axb5 axb5 24. b3 Na5 25. Rb4 Rxc3 26. Rxb5 Qc7 27. Rbxa5
Rc8 28. h3 h5 29. Bxd7 Qxd7 30. Ra7 Qf5 31. Rxe7 Qxd5 32. Qe4 Qxe4 33. Rxe4
Rxb3 34. Rae1 Kg7 35. Rd4 Rb6 36. Red1 f6 37. Bh4 Rd8 38. Be1 Rd7 39. Bb4 d5
40. Bc5 Rb5 41. Rxd5 Rxd5 42. Rxd5 Kf7 43. Rd7+ Ke8 44. Re7+ Kd8 45. Ba3 Ra5
46. Re3 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Teixeira, Ricardo da Silva"]
[Black "Mercadante, Ricardo Rodrigues"]
[Result "1/2-1/2"]
[ECO "A55"]
[Annotator "Stock fish 16"]
[PlyCount "21"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. d4 Nbd7 4. e4 e5 5. Nf3 Be7 6. Be2 O-O 7. O-O c6 8. b3
Qc7 ({RR} 8... a6 9. Bb2 b5 10. Qc2 Bb7 11. Rfe1 Re8 12. Rad1 Bf8 13. a3 exd4
14. Nxd4 c5 15. Nf5 b4 16. axb4 cxb4 17. Nd5 Rxe4 18. Nfe3 Rb8 19. Nxb4 Qb6 20.
Nd3 Ree8 21. b4 a5 22. b5 d5 23. cxd5 {Ljubojevic,L (2600)-Rajkovic,D (2490)
Vrbas 1982 1/2-1/2}) 9. Ba3 ({RR} 9. Re1 Re8 10. Bf1 Bf8 11. Bb2 g6 12. Qc2 a6
13. Rad1 b6 14. Qb1 Bb7 15. a3 Rad8 16. d5 cxd5 17. cxd5 b5 18. Rc1 Qb6 19. b4
Rc8 20. Ba1 Rc7 21. a4 Ng4 22. Qb2 Rec8 23. axb5 axb5 {Vivas Zamora,F (2344)
-Zanette,E (2157) chess.com INT 2021 0-1 (45)}) 9... Re8 10. d5 c5 $146 ({RR} 
10... g6 11. Nd2 Bf8 12. b4 a6 13. dxc6 bxc6 14. Nb3 Bb7 15. Na5 Rab8 16. Nxb7
Rxb7 17. Rb1 Reb8 18. Qa4 Nb6 19. Qd1 Nbd7 20. Qd3 Be7 21. Bd1 Nf8 22. Bb3 Ne6
23. Rfd1 Nf4 24. Qd2 Qd7 25. Ba4 {Lukasik,M (2169)-Rawski,S (2278) Polanica
Zdroj 2004 0-1}) 11. Ne1 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Brito, Vicente de Paulo Al"]
[Black "Papaleo, Lisandro"]
[Result "1/2-1/2"]
[ECO "B92"]
[Annotator "Stock fish 16"]
[PlyCount "13"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Pimenta, Jeronimo Marques"]
[Black "Martinoli, Eduardo"]
[Result "1-0"]
[ECO "B25"]
[Annotator "Stock fish 16"]
[PlyCount "61"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. Nf3 Nge7 7. O-O O-O 8. d3
d6 9. Be3 Nd4 10. g4 b5 $146 ({RR} 10... f5 11. gxf5 exf5 12. Qd2 Nec6 13. Rae1
Re8 14. Ng5 h6 15. Nf3 Nxf3+ 16. Rxf3 Be6 17. Rg3 Kh7 18. Kh1 Qa5 19. Rg1 Rg8
20. e5 Bf8 21. Bd5 Re8 22. Qg2 g5 23. Qh3 g4 24. Qh5 Qd8 25. Bxe6 {Medina
Garcia,A-Gadia,O Malaga 1965 1-0}) ({RR} 10... f5 11. h3 Bd7 12. Qd2 Bc6 13.
Qf2 Nxf3+ 14. Bxf3 Qd7 15. Rad1 Rae8 16. d4 fxe4 17. Nxe4 cxd4 18. Bxd4 e5 19.
Bxa7 Rxf4 20. Rxd6 Qc7 21. Qc5 Nc8 22. Qc4+ Kh8 23. Rxc6 bxc6 24. Be3 Nd6 25.
Qa4 {Norwood,D (2335)-Davies,N (2355) London 1985 1-0 (42)}) ({RR} 10... Nec6
11. Bf2 f5 12. gxf5 exf5 13. Nd5 Be6 14. c3 Nxf3+ 15. Qxf3 Qd7 16. h4 Bh6 17.
Bh3 Rae8 18. h5 Qf7 19. hxg6 hxg6 20. Rae1 fxe4 21. dxe4 Ne5 22. Qg2 Bxf4 23.
Bg3 Bxh3 24. Qxh3 g5 25. Bxf4 {Ziemski,J (1668)-Huchwajda,G (1566) Suwalki
2017 1-0 (31)}) ({RR} 10... Nec6 11. a3 Rb8 12. Rb1 b5 13. Ne2 a5 14. c3 Nxe2+
15. Qxe2 b4 16. d4 cxd4 17. cxd4 d5 18. Ne5 Ne7 19. g5 Bb7 20. Bd2 dxe4 21.
axb4 axb4 22. Rfd1 Bxe5 23. dxe5 Nf5 24. Bxb4 Qb6+ 25. Kh1 {Paulakos,K-George,
P Ybbs 1968 0-1}) 11. e5 Rb8 12. Ne4 Nd5 13. Bd2 Nxf3+ 14. Qxf3 dxe5 15. fxe5
Bxe5 16. Bg5 f6 17. Bh6 Bxb2 18. Bxf8 Qxf8 19. Rae1 Bd4+ 20. Kh1 Qe7 21. c4
bxc4 22. dxc4 Nb6 23. Qf4 Nd7 24. g5 Rb6 25. gxf6 Qf8 26. Ng5 Nxf6 27. Qc7 Bd7
28. Ne4 Qe7 29. Nxf6+ Bxf6 30. Rxf6 Rb2 31. Ref1 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Queiroz, Pedro Paulo S"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "1/2-1/2"]
[ECO "C83"]
[Annotator "Stock fish 16"]
[PlyCount "19"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. c3 Be7 10. Nbd2 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Duarte, Fernando Pires"]
[Black "Rocha, Antonio Cavilhas"]
[Result "0-1"]
[ECO "E14"]
[BlackElo "2385"]
[Annotator "Stock fish 16"]
[PlyCount "77"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. e3 Bb7 5. Bd3 Be7 6. O-O O-O 7. Nc3 d5 8. b3 c5
9. Bb2 cxd4 10. exd4 Nc6 11. Rc1 Rc8 12. Qe2 Nb4 13. Bb1 dxc4 14. bxc4 Bxf3 15.
gxf3 Qxd4 16. Nd5 ({RR} 16. a3 Qf4 {0-1 (16) Henrichs,T (2471)-Rozentalis,E 
(2611) Palma de Mallorca 2009}) 16... Qc5 17. Bd4 $146 ({RR} 17. Bxf6 gxf6 18.
Nxe7+ Qxe7 19. Kh1 Kh8 20. f4 Nc6 21. Bxh7 Qc5 22. Qg4 Rg8 23. Bxg8 Rxg8 24.
Qh4+ Kg7 25. Rg1+ Kf8 26. Qh6+ Ke7 27. Rxg8 {1-0 (27) Brethes,F (2158)-Horn,H 
(1991) Germany 2007}) ({RR} 17. Nxe7+ Qxe7 18. Kh1 Nc6 19. Rg1 g6 20. Qe3 Rcd8
21. Rg5 h6 22. Rg3 Kh7 23. Rcg1 e5 24. Rh3 Ng8 25. Bc1 Qf6 26. Be4 Nce7 27.
Rxh6+ Kg7 28. Rh3 Nf5 29. Qc3 Nd4 30. Qe3 Nf5 31. Qe1 Qe6 {Szakony,L (2196)
-Nemeth,D (2109) Hungary 2009 1-0 (40)}) 17... Qd6 18. Be5 Qd8 19. Nxf6+ gxf6
20. Rfd1 fxe5 21. Rxd8 Rfxd8 22. Qe4 Bf6 23. Kh1 Kf8 24. Rg1 Nc6 25. Qe3 Nd4
26. Bxh7 Rc5 27. f4 exf4 28. Qxf4 Ke7 29. Qe3 Ra5 30. Qd2 Rh8 31. Qb4+ Kd7 32.
Be4 Rxa2 33. Rd1 Rxf2 34. Qa4+ Kd6 35. Qa3+ Ke5 36. Qg3+ Rf4 37. Bg2 Nf5 38.
Qc3+ Rd4 39. Re1+ {time} 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Machado, Hermes Amilcar"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "0-1"]
[ECO "C68"]
[BlackElo "2375"]
[Annotator "Stock fish 16"]
[PlyCount "32"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Bg4 7. Qe5+ ({RR
} 7. Qc3 Qf6 8. Ne5 Be6 9. Nd2 Ne7 10. Ndf3 h6 11. Be3 O-O-O 12. O-O Ng6 13.
Bd4 Nxe5 14. Nxe5 Qe7 15. Nd3 f6 16. a4 c5 17. Be3 {1/2-1/2 (17) Georgiev,K 
(2465)-Ivanchuk,V (2625) Thessaloniki 1988}) ({RR} 7. Qe3 Qf6 8. Nbd2 Ne7 9. h3
Bxf3 10. Qxf3 {1/2-1/2 (10) De Castro,A-Van Riemsdijk,H (2400) Cabo Frio 1984})
7... Qe7 8. Bf4 ({RR} 8. Qxe7+ Bxe7 9. Nd4 O-O-O 10. Ne2 Nf6 11. f3 Be6 12.
Nbc3 Rd7 13. Nf4 Bb4 14. Bd2 Rhd8 15. Nxe6 fxe6 16. O-O-O b5 17. a3 Ba5 18. Nb1
Bb6 19. Nc3 Kb7 20. Bg5 Rxd1+ 21. Rxd1 Rxd1+ 22. Kxd1 Nd7 {Simaite,M (1434)
-Rauckyte,K (1378) Kaunas 2017 1-0 (48)}) 8... Bxf3 $146 ({RR} 8... O-O-O 9.
Qxe7 Bxe7 10. Nbd2 Nf6 11. Ne5 Be6 12. f3 Nh5 13. Be3 Bh4+ 14. Ke2 Rhe8 15. Nd3
f5 16. Nc5 Bf7 17. g3 Be7 18. Nd3 fxe4 19. Nxe4 Nf6 20. Rhe1 Nxe4 21. fxe4 Bg6
22. Kf3 Bf6 23. Bf4 {Vinarcik,J-Kotan,L (2300) Bratislava 1992 0-1 (70)}) ({RR
} 8... O-O-O 9. Nc3 f6 10. Qxe7 Nxe7 11. Ke2 Ng6 12. Bg3 Bb4 13. h3 Be6 14. Nd2
Rhe8 15. Rhe1 f5 16. Rad1 Bxc3 17. bxc3 Bxa2 18. c4 f4 19. Bh2 Bxc4+ 20. Kf3
Be6 21. Bxf4 Rf8 22. g3 h6 23. h4 {Chmelicek,B (1978)-Sturc,G (2124) Piestany
2006 0-1 (31)}) 9. gxf3 O-O-O 10. Nd2 Qxe5 11. Bxe5 Ne7 12. Bg3 f5 13. Bh4 Rd7
14. Bxe7 Bxe7 15. Rd1 g6 16. O-O Rhd8 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Pereira, Fernando"]
[Result "1-0"]
[ECO "B03"]
[Annotator "Stock fish 16"]
[PlyCount "103"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Bd3 Bg7 8.
Nge2 O-O 9. O-O Nc6 10. Be3 Bg4 11. h3 Bxe2 12. Bxe2 d5 13. c5 Nc8 14. Bf3 $146
({RR} 14. Qb3 e6 15. Rfd1 N8e7 16. Nb5 Nf5 17. Bg4 Na5 18. Qc3 a6 19. Bxf5 axb5
20. Bd3 Nc4 21. b3 Nxe3 22. fxe3 Qa5 23. Qxa5 {1/2-1/2 (23) Dejmek,M (2185)
-Rabin,E Philadelphia 2006}) 14... e6 15. Nb5 a6 16. Qa4 Nb6 17. cxb6 axb5 18.
Qxb5 Nxd4 19. Qc5 Nxf3+ 20. gxf3 Bxb2 21. Rab1 Be5 22. Qc2 Qh4 23. Kg2 Rfc8 24.
Qe2 Qc4 25. Qxc4 Rxc4 26. Rfc1 Rxa2 27. Rxc4 dxc4 28. Rb4 c3 29. Rc4 c2 30. f4
Bd6 31. Kf3 Rb2 32. Rc8+ Bf8 33. f5 g5 34. Bxg5 Kg7 35. Be3 Rb3 36. fxe6 fxe6
37. Rxc2 Bd6 38. Rc8 Kg6 39. Ke4 Rb4+ 40. Kd3 Ra4 41. Rd8 Ra3+ 42. Kc4 Be5 43.
Rd7 Ra4+ 44. Kb5 Rh4 45. Rxb7 Rxh3 46. Rc7 Rh1 47. Kc6 Rb1 48. Re7 Bf6 49. Rxe6
Kf5 50. Re8 h5 51. b7 Be5 52. Rxe5+ 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "B97"]
[BlackElo "2480"]
[Annotator "Stock fish 16"]
[PlyCount "66"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3
Be7 9. Qf3 Nbd7 10. O-O-O Qc7 11. Be2 h6 ({RR} 11... b5 12. Bxf6 Nxf6 13. e5
Bb7 14. Qg3 dxe5 15. fxe5 Nd7 16. Rxd7 Qxd7 17. Rd1 Qc7 18. Qxg7 Rf8 19. Bf3
Rc8 20. Nd4 Bxf3 21. gxf3 Qc4 22. Kb1 Rd8 23. Qg1 b4 24. Ne4 Qd5 25. Rd3 Rd7
26. Qg7 {Isik,E-Firat,D (1711) Kemer 2014 1/2-1/2 (55)}) 12. Qh3 ({RR} 12. Bh4
g5 13. fxg5 Ne5 14. Qf2 Nfg4 15. Bxg4 Nxg4 16. Qf4 Ne5 17. gxh6 Ng6 18. Bxe7
Nxf4 19. Bxd6 Qb6 20. Bxf4 Bd7 21. g4 Bc6 22. g5 O-O 23. h4 Rad8 24. Rdg1 Kh7
25. Rg2 Rg8 26. Rf1 f6 {Timman,J (2590)-Hulak,K (2525) Amsterdam 1977 1/2-1/2 
(38)}) 12... b5 13. Bxf6 $146 ({RR} 13. Bf3 Bb7 14. Bxf6 Bxf6 15. e5 dxe5 16.
Bxb7 Qxb7 17. f5 O-O 18. fxe6 Nb6 19. Kb1 Rac8 20. Rhf1 fxe6 21. Qxe6+ Kh8 22.
Nd5 Rc6 23. Na5 Rxe6 24. Nxb7 Nxd5 25. Rxd5 e4 26. Nc5 Re7 27. Nd7 Rfe8 {
Chandler,M (2390)-Quinteros,M (2480) Wellington 1978 0-1 (38)}) 13... Nxf6 14.
Bf3 Bb7 15. e5 dxe5 16. fxe5 Nd7 17. Qg3 O-O 18. Bxb7 Qxb7 19. Rd4 Qc7 20. Re1
b4 21. Nd1 Rfc8 22. c3 a5 23. Rg4 Bf8 24. c4 a4 25. Nd2 Ra5 26. Rge4 g6 27. Nf3
Nc5 28. Rd4 a3 29. Nd2 axb2+ 30. Nxb2 Rxa2 31. Nb3 Nxb3+ 32. Qxb3 Ra1+ 33. Kd2
Rxe1 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Sampaio, Francisco"]
[Black "Brito, Luismar Jorge"]
[Result "0-1"]
[ECO "A27"]
[Annotator "Stock fish 16"]
[PlyCount "110"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Qe7 8.
Qc2 $146 ({RR} 8. Bg2 Qb4 9. O-O Ba6 10. Nb5 Bxb5 11. cxb5 Qxb5 12. Bf4 Rc8 13.
a4 Qb4 14. Bh3 Nf6 15. Be5 Qe7 16. Ra3 O-O 17. Bxf6 Qxf6 18. Bxd7 Rb8 19. Rf3
Qe7 20. b3 Rfd8 21. Rd3 c5 22. Bb5 Rxd3 {Renter,R-Flohr,S Parnu 1947 1/2-1/2})
({RR} 8. Bg2 Qe6 9. O-O Rb8 10. Qa4 a6 11. Qa5 Ne7 12. Qxc7 Rb4 13. Qa5 Rxc4
14. Bd2 h5 15. b3 Rd4 16. Be3 Rg4 17. Rad1 h4 18. Bc5 hxg3 19. hxg3 Be5 20. Rd3
Nf5 21. Rfd1 f6 22. Ne4 d5 {Christiansen,L (2620)-Piket,J (2590) Monte Carlo
1993 0-1 (67)}) ({RR} 8. Bg2 Qb4 9. O-O Ne7 10. Qd3 Ba6 11. Rd1 d5 12. Bf4 Qxb2
13. Rac1 O-O 14. Rc2 Qb4 15. Rb1 Qa5 16. Qd2 Nf5 17. cxd5 Nd4 18. Rcc1 cxd5 19.
Kh1 Rad8 20. Be3 Nf5 21. Nxd5 Qa4 22. Bc5 Rfe8 {Strikovic,A (2493)-Zarkik,A 
(2084) El Ksiba MAR 2019 1-0 (35)}) ({RR} 8. Bd2 Qc5 9. b3 d6 10. Bg2 Ne7 11.
Ne4 Qa3 12. Bc3 Bxc3+ 13. Nxc3 O-O 14. Qc2 Bd7 15. O-O Rae8 16. Ne4 f6 17. Rac1
Kg7 18. c5 d5 19. Rfd1 Bc8 20. Nc3 Qb4 21. h3 Ng8 22. Qb2 Re5 {Andersson,U 
(2610)-Brito,L (2300) Hastings 1981 1-0 (42)}) ({RR} 8. Bd2 Qe6 9. b3 Ne7 10.
Rc1 Bb7 11. Bg2 Rb8 12. O-O O-O 13. e4 d6 14. Qc2 c5 15. Nd5 Qd7 16. Bg5 Nxd5
17. exd5 Rfe8 18. Qd2 Bd4 19. Rfe1 Rxe1+ 20. Rxe1 Re8 21. Bh6 Bg7 22. Bh3 f5 {
Kholmov,R-Goldenov,B Kiev (Ukraine) 1965 1-0 (40)}) 8... Nh6 9. Bg2 Nf5 10. O-O
O-O 11. Bf4 Nd4 12. Qd2 Re8 13. Rfe1 Qb4 14. Rac1 Ne6 15. Nd1 a5 16. Be3 Bd4
17. Kf1 Rb8 18. Rc2 Bg7 19. Qd3 Nc5 20. Qd2 Ne4 21. Qd3 f5 22. Ba7 Ra8 23. Bd4
Qe7 24. Bxg7 Qxg7 25. Bxe4 fxe4 26. Qc3 Qh6 27. Kg1 d6 28. Qe3 Qh3 29. f4 Bd7
30. Qc3 a4 31. Ne3 Qh5 32. Qd4 Re7 33. Rf1 Bh3 34. Ng2 Qa5 35. Rd1 Rf8 36. c5
d5 37. Qc3 Qxc3 38. Rxc3 Rb8 39. Rd2 Rb4 40. a3 Rb5 41. e3 Re8 42. Kf2 Reb8 43.
Rcc2 Rb3 44. Ne1 Kg7 45. Ke2 Bc8 46. Rd4 Ba6+ 47. Kd2 Bc4 48. Rdxc4 dxc4 49.
Rxc4 Rd8+ 50. Kc1 Rxe3 51. Nc2 Red3 52. Nb4 R8d4 53. Rxd4 Rxd4 54. Nxc6 Rd5 55.
Ne5 e3 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Sosonko, Gennadi"]
[Black "Farias, Sergio A"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2575"]
[Annotator "Stock fish 16"]
[PlyCount "57"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 cxd4 7. Nxd4 Nf6 8.
O-O Be7 9. Nc3 O-O 10. Be3 Be6 11. Rc1 Qd7 ({RR} 11... Rc8 12. Qa4 Na5 13. Nxe6
fxe6 14. Bh3 Kf7 15. Nb5 Nc6 16. Nxa7 Ra8 17. Nxc6 Rxa4 18. Nxd8+ Rxd8 19. a3
Bd6 20. Bb6 Rda8 21. Rc2 R8a6 22. Bc5 Ke7 23. Rfc1 Rc6 24. e3 Ne4 25. Bxd6+
Kxd6 26. Bf1 {Gschnitzer,O (2343)-Dobrikov,M (2252) Germany GER 2023 1-0 (58)})
12. Nxc6 bxc6 13. Na4 Rfe8 14. Qc2 $146 ({RR} 14. a3 Bh3 15. Re1 Bxg2 16. Kxg2
Ne4 17. Qc2 Rac8 18. Nc5 Bxc5 19. Bxc5 Ng5 20. Rcd1 Qh3+ 21. Kg1 Re6 22. f4 Ne4
23. e3 Rh6 24. Bxa7 Nxg3 25. Qg2 Qxg2+ 26. Kxg2 Ne4 27. Re2 Re8 28. Rc2 Rg6+ {
Giordani,M (2156)-Szirmai,E (2133) Budapest 2004 0-1 (73)}) ({RR} 14. Re1 Bh3
15. Bh1 Ng4 16. Bd4 Bb4 17. Bc3 Bxc3 18. Rxc3 Qf5 19. Bf3 Ne5 20. Nc5 d4 21.
Be4 Qf6 22. Rc2 Rad8 23. Nd3 {1/2-1/2 (23) Saranovic,M (2159)-Batricevic,S 
(2239) Cetinje 2012}) 14... Rac8 15. Bc5 Bf5 16. Qd1 Ne4 17. Bxe7 Qxe7 18. e3
h6 19. Qd4 Red8 20. Nc5 Nxc5 21. Rxc5 Rc7 22. Rfc1 Rd6 23. b4 a6 24. Qf4 Qd7
25. Bf1 Be4 26. Bxa6 Ra7 27. Ra5 Rxa6 28. Rxa6 Rf6 29. Qh4 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Lemos, Jorge Joao"]
[Black "Barros, Jose"]
[Result "1-0"]
[ECO "B40"]
[Annotator "Stock fish 16"]
[PlyCount "121"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d3 e6 4. g3 Nc6 ({RR} 4... b5 5. Bg2 Bb7 6. O-O d6 7. a4
Nd7 8. Re1 Ngf6 9. Nbd2 Be7 10. c3 O-O 11. Qe2 Qc7 12. d4 {1/2-1/2 (12) Reyes
Larena,J (2450)-Barlov,D (2495) Las Palmas 1993}) 5. Bg2 Nce7 $146 ({RR} 5...
g6 6. O-O Bg7 7. c3 Nge7 8. Be3 d6 9. Nbd2 O-O 10. h4 b5 11. d4 cxd4 12. cxd4
d5 13. e5 Nf5 14. Nb3 Na5 15. Bd2 Nc4 16. Bb4 Re8 17. Qe2 a5 18. Bc5 a4 19. Nc1
Bf8 20. Nd3 {Jonas,T (1836)-Dos Santos,L (1999) Sao Paulo 2011 1-0 (32)}) ({RR
} 5... Qc7 6. O-O Nf6 7. Qe2 d6 8. c4 Be7 9. Nc3 Rb8 10. Re1 Bd7 11. Bf4 Nd4
12. Nxd4 cxd4 13. Nb1 e5 14. Bc1 Bg4 15. Bf3 Be6 16. Nd2 b5 17. b3 O-O 18. Bg2
bxc4 19. bxc4 Nd7 20. Nb3 {Steinschuld,J (1440)-Pavan,F (1216) Arco ITA 2023 1/
2-1/2}) ({RR} 5... g6 6. O-O Bg7 7. Re1 Nge7 8. Nbd2 O-O 9. c3 Qc7 10. Qe2 d6
11. Nf1 b5 12. h4 Bb7 13. h5 Ne5 14. Ng5 d5 15. f4 Nd7 16. hxg6 hxg6 17. Qg4
Nf6 18. Qh3 dxe4 19. dxe4 Rfd8 20. Bf3 {Gamarra,E (2046)-Palao Morales,A (1610)
Lima 2013 1-0 (60)}) 6. O-O Ng6 7. Nc3 b5 8. e5 Bb7 9. Qe2 N8e7 10. Ng5 Bxg2
11. Kxg2 Nf5 12. f4 Be7 13. Nce4 Qc7 14. c3 h5 15. Bd2 O-O-O 16. Nxf7 Qc6 17.
Kg1 Rh7 18. Nxd8 Bxd8 19. Be1 Nge7 20. Ng5 Rh6 21. Qe4 Nd5 22. Bf2 h4 23. g4
Rg6 24. gxf5 exf5 25. Qg2 h3 26. Qf3 Nxf4 27. Qxc6+ dxc6 28. Bg3 Bxg5 29. Kh1
Nxd3 30. Rxf5 Bc1 31. Rf3 Bxb2 32. Rb1 c4 33. Rxd3 cxd3 34. Rxb2 c5 35. Kg1 Rg4
36. Kf2 Rc4 37. Rb3 Re4 38. Rb2 Rc4 39. Ke3 Rxc3 40. Be1 Ra3 41. Ke4 c4 42. Kd4
Kd7 43. Bb4 Ra4 44. a3 Ke6 45. Rf2 c3 46. Kxd3 Kxe5 47. Rf3 a5 48. Bxc3+ Ke6
49. Re3+ Kf7 50. Bb2 Rh4 51. Rg3 g6 52. Rg5 b4 53. Rxa5 bxa3 54. Rxa3 Ke6 55.
Ra6+ Kf5 56. Rf6+ Kg5 57. Rf3 Kg4 58. Ke3 Rh8 59. Rf4+ Kg5 60. Bf6+ Kh6 61.
Rh4# 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Braga, Cicero Nogueira"]
[Result "1-0"]
[ECO "A68"]
[Annotator "Stock fish 16"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5
9. cxd5 Re8 ({RR} 9... Na6 10. O-O Qc7 11. e5 Nd7 12. Be3 b6 13. Ne4 {1/2-1/2 
(13) Lanchava,T (2326)-Slobodjan,R (2527) Cappelle-la-Grande 2002}) ({RR} 9...
Qe7 10. Nd2 Ng4 11. Bxg4 Qh4+ 12. g3 Qxg4 13. Qxg4 Bxg4 14. Kf2 Na6 15. Nc4
Rfd8 16. h3 Bc8 17. a3 Nc7 18. a4 f5 19. e5 dxe5 20. d6 Ne8 21. Nxe5 Nxd6 22.
Be3 b6 23. Rhd1 Bb7 24. a5 {Hua,L (2305)-Sychev,K (2542) chess.com INT 2023 1/
2-1/2 (60)}) 10. Bd3 c4 $146 ({RR} 10... Nxe4 11. Nxe4 f5 12. O-O fxe4 13. Bb5
exf3 14. Bxe8 Bd4+ 15. Kh1 fxg2+ 16. Kxg2 Qxe8 17. Re1 Qf7 18. Qf3 Nd7 19. Be3
Bxb2 20. Rab1 Bg7 21. h3 Nf6 22. Rbd1 b6 23. Rd2 Bb7 24. Red1 Re8 {0-1 (24)
Knothe,K-Eising,J Soemmerda 1957}) 11. Bxc4 Nxe4 12. Nxe4 Rxe4+ 13. Be2 Qb6 14.
Qc2 Bf5 15. g4 Rxf4 16. gxf5 Rxf3 17. Qc8+ Bf8 18. Bxf3 Qb4+ 19. Bd2 Qh4+ 20.
Kd1 Nc6 21. Qxa8 Nd4 22. Re1 Nxf3 23. Re8 Nxd2 24. Rxf8+ Kg7 25. Rg8+ Kh6 26.
Qf8+ Kh5 27. Qe8 Ne4 28. Rc1 Qg4+ 29. Kc2 Nf6 30. Qxf7 Qe4+ 31. Kb3 Qd3+ 32.
Rc3 Qd1+ 33. Ka3 b5 34. Qxa7 g5 35. Rg7 b4+ 36. Kxb4 Nxd5+ 37. Ka3 Nxc3 38.
Qf7+ Kg4 39. Qc4+ Kxf5 40. Qxc3 Qd5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Cajal, Andre"]
[Black "Lima, Nelson Villaboim"]
[Result "1/2-1/2"]
[ECO "B73"]
[Annotator "Stock fish 16"]
[PlyCount "21"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8.
O-O a6 9. Qd2 Nc6 10. Nxc6 ({RR} 10. Rfd1 Nxd4 11. Bxd4 Be6 12. a4 Rc8 13. f3 {
1/2-1/2 (13) Marjanovic,S (2485)-Istratescu,A (2622) Chalkidiki 2002}) 10...
bxc6 11. Rad1 $146 ({RR} 11. Bh6 Bb7 12. Rad1 Qc7 13. h4 c5 14. Bf3 Rad8 15. h5
Kh8 16. hxg6 fxg6 17. Rfe1 Nd7 18. Be2 Nf6 19. Bxg7+ Kxg7 20. f3 Qb6 21. Bc4
Bc6 22. Qc1 Bb5 23. Bf1 Bxf1 24. Kxf1 Qb4 25. a3 Qb7 {Butchak,R-Davitjan,V
Nikolaev 2004 1/2-1/2 (31)}) ({RR} 11. Bh6 c5 12. Bxg7 Kxg7 13. h4 Be6 14. h5
Ng8 15. hxg6 fxg6 16. f4 Qd7 17. Rf3 Bg4 18. Rf2 Rf6 19. Raf1 Raf8 20. Nd5 R6f7
21. Qc3+ Nf6 22. f5 Bxe2 23. Rxe2 Kg8 24. fxg6 hxg6 25. Ref2 Nxe4 {Swisher,
J-Castillo,O lichess.org INT 2021 0-1 (56)}) 1/2-1/2

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Segal, Alexandru Sorin"]
[Black "Loureiro, Luiz R Vasconcelos"]
[Result "1-0"]
[ECO "A04"]
[Annotator "Stock fish 16"]
[PlyCount "105"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 d5 5. dxe4 h6 6. Nf3 dxe4 7. Qxd8+ Kxd8
8. Ne5 Be6 9. Nc3 c6 ({RR} 9... Nbd7 10. Nxd7 Kxd7 11. Bf4 c6 12. h3 Bd5 13.
Na4 Ke8 14. c4 Bf7 15. Be2 e6 16. O-O Be7 17. a3 Bg6 18. b4 Kf7 19. Nc5 b6 20.
Na6 Rhd8 21. Rfd1 Rac8 22. Rxd8 Bxd8 23. a4 Nd7 24. Rd1 {Szmetan,J (2405)
-Rodriguez Vila,A (2575) Villa Martelli 1996 0-1 (44)}) ({RR} 9... Nbd7 10. Bf4
g5 11. Bg3 c6 12. O-O-O Ke8 13. Bc4 Bxc4 14. Nxc4 Nb6 15. Na5 Nbd5 16. Be5 Rh7
17. Rhe1 Ng4 18. Bd4 Nxc3 19. Bxc3 Rf7 20. Nxb7 Nxf2 21. Rd2 Rb8 22. Na5 Rc8
23. Bd4 Ng4 24. Rxe4 {Chu Wei Chao (2431)-Xie,J (1506) Qiziwan CHN 2023 1-0 
(32)}) 10. g3 $146 ({RR} 10. Be3 Ke8 11. g3 Rg8 12. Bg2 Bd5 13. Nxd5 cxd5 14.
Bh3 g5 15. Bc8 Nbd7 16. Bxb7 Rb8 17. Bc6 e6 18. O-O-O a6 19. h4 g4 20. Kb1 Ke7
21. Bxd7 Nxd7 22. Nc6+ Kd6 23. Nxb8 Nxb8 24. Rd4 Nc6 {Faraj,Y (2262)
-Kalugampitiya,R (2131) Kolkata 2009 0-1 (55)}) ({RR} 10. Bc4 Bxc4 11. Nxc4
Nbd7 12. Be3 e5 13. O-O-O Kc7 14. a3 b5 15. Nd2 Nb6 16. Ncxe4 Nfd5 17. Bc5 Nd7
18. Bxf8 Rhxf8 19. Nb3 a5 20. f3 Rfe8 21. Rhe1 Re7 22. Re2 a4 23. Nbc5 Nxc5 24.
Nxc5 Rae8 {Baumgartner,H (2300)-Salzmann,J Dresden 1993 1/2-1/2 (33)}) 10... g5
11. Ng6 Rg8 12. Nxf8 Rxf8 13. h4 Rg8 14. hxg5 hxg5 15. Bg2 Bf5 16. Be3 Nbd7 17.
O-O-O Ke8 18. Rde1 Kf7 19. Bd2 Nc5 20. b4 Ne6 21. Nxe4 g4 22. Nxf6 exf6 23. Rh5
Ng7 24. Rh6 Rh8 25. b5 Rxh6 26. Bxh6 cxb5 27. Bxb7 Rd8 28. Kb2 Rd4 29. c3 Rd8
30. Be3 Ne6 31. Bg2 a6 32. Kb3 Bd3 33. Kb4 Bc4 34. a3 Ng5 35. Bb7 Nf3 36. Ra1
Ne5 37. Bxa6 Rd5 38. Bb7 Nd3+ 39. Ka5 Rh5 40. Kb6 Nb2 41. Bd4 Na4+ 42. Ka5 Nc5
43. Bxc5 Rxc5 44. Kb4 Rc7 45. Ba6 Be2 46. Bxb5 Bxb5 47. Kxb5 Rxc3 48. a4 Rb3+
49. Kc4 Rb2 50. a5 Rxf2 51. a6 Rc2+ 52. Kb5 Rb2+ 53. Ka5 1-0

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Gouveia, Carlos Eduardo"]
[Black "Filguth, Rubens Alberto"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2405"]
[BlackElo "2350"]
[Annotator "Stock fish 16"]
[PlyCount "70"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 e6 3. Nf3 b6 4. d3 d5 5. O-O Bb7 6. Nbd2 Nbd7 7. c3 a5 ({RR} 
7... Be7 8. e4 dxe4 9. dxe4 e5 10. Nc4 Bxe4 11. Nfxe5 Bxg2 12. Kxg2 Nxe5 13.
Nxe5 O-O 14. Bg5 Qd5+ 15. Qxd5 Nxd5 16. Rad1 Bxg5 17. Rxd5 Rfe8 18. Nc6 h6 19.
f4 Be7 {1/2-1/2 (19) Loginov,V (2610)-Jussupow,A (2655) Moscow 1994}) ({RR} 
7... Be7 8. Qc2 O-O 9. e4 dxe4 10. dxe4 e5 11. Re1 Re8 12. b4 a5 13. Rb1 Bf8
14. a3 c5 15. b5 c4 16. Nxc4 Qc7 17. Nfd2 Nc5 18. f3 Rad8 19. Bf1 Re7 20. Nb3
Red7 21. Nxc5 Bxc5+ 22. Be3 {Toth,E (2439)-Leniart,A (2465) Slovakia SVK 2021
0-1 (38)}) 8. Qc2 Be7 9. e4 $146 ({RR} 9. a4 Nc5 10. Ne5 O-O 11. Re1 Nfd7 12.
Nxd7 Nxd7 13. e4 dxe4 14. Nxe4 Rb8 15. d4 Nf6 16. Nxf6+ Bxf6 17. Bxb7 Rxb7 18.
Qe4 Rb8 19. Bf4 Qd7 20. Rad1 Be7 21. d5 e5 22. Bxe5 f5 23. Qc4 {1-0 (23) Evans
Quek,D (2070)-Muter,D (2096) Birmingham 2002}) 9... dxe4 10. Nxe4 Nxe4 11. dxe4
O-O 12. Rd1 Qc8 13. Bf4 Rd8 14. Nd4 Bf8 15. Nb5 e5 16. Bg5 f6 17. Qb3+ Kh8 18.
Be3 Bc6 19. a4 Nc5 20. Qf7 Rxd1+ 21. Rxd1 Nxa4 22. Qb3 Nc5 23. Qc4 Bd7 24. b4
Be6 25. Qe2 Nb7 26. bxa5 Nxa5 27. f4 Nc4 28. Bf2 c6 29. fxe5 fxe5 30. Nd4 exd4
31. cxd4 b5 32. d5 cxd5 33. exd5 Bg4 34. Bf3 Bxf3 35. Qxf3 Bc5 {time} 0-1

[Event "TTC INTERNACIONAL OLD SPICE 78"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Bere Filho, Romulo Fernando"]
[Black "Gaui, Roberto"]
[Result "1-0"]
[ECO "A00"]
[Annotator "Stock fish 16"]
[PlyCount "0"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

{1-0 forfeit}  1-0

