[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.1"]
[White "Iago, Henrique Da Silva S"]
[Black "Silas, Carvalho Fernandes"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2127"]
[BlackElo "2100"]
[Annotator "Stockfish 16.1"]
[PlyCount "38"]
[EventDate "2024.??.??"]

{[%evp 0,38,15,15,18,-16,-11,-4,23,-17,-5,-20,-15,-7,-5,-6,10,10,6,-60,-36,-43,-44,-47,-47,-51,-13,-17,-27,-26,45,-25,-16,-13,-24,-41,-16,-25,-39,-21,28]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Qc2 (4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5 exd5 9. Bg2 O-O 10. O-O Re8 11. Qc2 c5 12. dxc5 bxc5 13. Bg5 Nc6 14. Rfe1 Nb4 15. Qd1 d4 16. Na4 Ne4 17. Bd2 Nxd2 18. Qxd2 Rc8 19. Rad1 Bb5 20. a3 Nd5 21. Nb2 Nc3 22. Rc1 Bf6 23. Nd3 Qe7 24. Bf1 h6 25. e3 Ne4 26. Qc2 c4 27. bxc4 Rxc4 28. Qb2 Rxc1 29. Qxc1 dxe3 30. Qxe3 Nd6 31. Qc5 Qd8 32. Rxe8+ Bxe8 33. Qxa7 Nb5 {Tomashevsky,E (2681)-Karjakin,S (2750) Moscow 2024 ½-½ (68)}) 4... Bb7 5. Nbd2 $146 (5. a3 c5 6. Nc3 Bxf3 7. exf3 cxd4 8. Nb5 Nc6 9. Qd1 e5 10. f4 d6 11. Qa4 Qd7 12. Be2 Be7 13. Bf3 e4 14. Be2 d3 15. Bd1 O-O 16. O-O Nd4 17. Nxd4 Qb7 18. Qc6 Qb8 19. Nf5 Re8 {Andrews,T (2135)-Seemann,J (2439) chess.com INT 2024 1-0 (41)}) (5. Bg5 Bb4+ 6. Nbd2 O-O (6... h6 7. Bxf6 Qxf6 8. a3 Bxd2+ 9. Qxd2 d6 10. Qc3 O-O 11. g3 Bxf3 12. exf3 Nc6 13. Rd1 e5 14. d5 Nd4 15. Bg2 c5 16. dxc6 Rac8 17. O-O Ne2+ 18. Kh1 Nxc3 19. bxc3 Rxc6 {Ardila,O (1952)-Martins,B (2347) chess.com INT 2024 0-1}) 7. a3 Be7 8. e4 d5 9. Bd3 h6 10. Bf4 c5 11. cxd5 exd5 12. e5 Nfd7 13. g4 Nc6 14. h4 Re8 15. g5 Rf8 {0-1 (15) Arango Alvarez,A (1666)-Martinez Pinchao,J (1819) Medellin, Hotel Dorado de la 2024 [Stockfish 16.1 - Chessbase]}) 5... d5 6. e3 {E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} Be7 7. Bd3 O-O 8. O-O Nbd7 9. Ne5 c5 10. cxd5 exd5 11. b3 {[#]} cxd4 $146 (11... Rc8 12. Nxd7 Qxd7 13. Bf5 cxd4 (13... Qc7 14. Bxc8 Rxc8 15. Ba3 $16 (15. Qf5 cxd4 16. Nf3 Ba6 17. Re1 $5 {[%cal Re3d4]} (17. Rd1 Be2 {0-1 (23) Nguyen,T-Do Nguyen Bao,N Ha Tinh 2000} 18. Re1 d3 19. Bb2 $1 Rd8 (19... g6 20. Qh3 Qd8) 20. Nd4 (20. Rec1 $5 {[%cal Rc1c7]} Qb7 21. Qf4 $14) 20... Ng4 21. Nxe2 $4 {[%mdl 8192]} (21. Qh5 Nf6 22. Qh3) 21... Qxh2+ 22. Kf1 Qh1+ 23. Ng1 Nh2# {0-1 (23) Nguyen,T-Do Nguyen Bao,N Ha Tinh 2000}))) 14. Qxc8 Qxc8 15. Bxc8 Rxc8) 12. exd4 Rc8 13. Qb1 Bb4 14. Nxd7 Nxd7 $6 {Inaccuracy. Qxd7 was best.} (14... Qxd7 15. Bf5 Qc7) 15. Nf3 $6 {Inaccuracy. Bxh7+ was best.} (15. Bxh7+ Kh8 16. Bd3 Bc3 17. Nf3 Bxa1 18. Qxa1 Nf6 19. Bg5 Qd6 20. Ne5 Nh7) 15... h6 {The position is equal.} 16. a3 Bd6 17. Bd2 Re8 18. Re1 Rxe1+ 19. Qxe1 Qe7 {Weighted Error Value: White=0.18 (very precise) /Black=0.21 (precise) PRECISÃO LICHESS: BRANCAS 92% PRETAS 92%} 1/2-1/2

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.2"]
[White "Otavio, De Souza Laba"]
[Black "Guilherme, De Moura Silva"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "1853"]
[BlackElo "1846"]
[Annotator "Stockfish 16.1"]
[PlyCount "44"]
[EventDate "2024.??.??"]

{[%evp 0,44,15,15,15,12,15,-5,-5,-24,8,-2,10,-1,10,0,30,-28,25,-14,59,54,75,47,50,43,74,61,111,57,97,-13,-9,-18,-29,-25,-2,-16,0,-19,-3,-42,-33,-33,-32,-52,20]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 Be7 6. O-O O-O 7. Nc3 c6 8. Bf4 Nh5 $146 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} (8... dxc4 9. a4 {Against b5} (9. e4 a5 (9... Nb6 10. Qe2 Bd7 11. Ne5 Rc8 12. Rfd1 c5 13. d5 exd5 14. Nxd7 Nfxd7 15. Nxd5 Nxd5 16. Rxd5 Qe8 17. Bh3 Rd8 18. Bxd7 Rxd7 19. Qxc4 Qc8 20. Rad1 Rfd8 21. Qa4 Rxd5 22. exd5 Bd6 23. Bxd6 {Meshkovs,N (2532)-Lupulescu,C (2589) chess.com INT 2024 1-0 (64)}) 10. Re1 a4 11. d5 Bb4 12. dxe6 fxe6 13. a3 Bc5 14. Nxa4 Ba7 15. Bd6 b5 16. Bxf8 Qxf8 17. Nc3 Nc5 18. Ne5 Nb3 19. Nxc6 Bxf2+ 20. Kxf2 Ng4+ 21. Kg1 Qc5+ 22. Nd4 e5 23. h3 {Suleymenov,A (2513)-Gukesh,D (2720) Samarkand UZB 2023 0-1 (31)}) 9... Nd5 10. Bd2 (10. a5) 10... b6 11. h4 a5 12. e4 Nxc3 (12... Nb4 $1 $15) 13. bxc3 b5 14. e5 Nb6 15. Ng5 {Threatens to win with axb5.} h6 16. Nh3 b4 17. Qg4 (17. Bxh6 gxh6 18. Qg4+ Kh8 19. Qh5) 17... f5 $15 18. exf6 (18. Qg6 $15 Qe8 19. Qxe8 Rxe8 20. cxb4 axb4 21. Rfb1) 18... Bxf6 19. Qg6 {Be4 is the strong threat.} bxc3 20. Bxh6 (20. Bxc3 $17 Nd5 21. Rac1) 20... Qe8 $19 21. Qxe8 (21. Qb1 $17 Bxd4 22. Be3) 21... Rxe8 $19 22. Bxc6 (22. Bg5 Nd5 23. Bxf6 gxf6 24. Nf4) 22... gxh6 $19 23. Bxe8 e5 {Against Nf4} 24. Bc6 {And now dxe5 would win.} Bxh3 25. Bxa8 (25. Rfb1 {was worth a try.} Rb8 26. dxe5 Bxe5 27. Rb5) 25... exd4 $19 26. Bg2 Bxg2 27. Kxg2 c2 {0-1 (28) Giri,A (2772)-Sadhwani,R (2603) Chess.com INT 2023. Inhibits Rab1.}) (8... b6 9. cxd5 cxd5 10. Nb5 Bb7 11. Bc7 Qc8 12. Rc1 Ba6 13. Nd6 Bxd6 14. Bxd6 Qb7 15. Rc7 Qb8 16. Rxd7 Qc8 17. Rc7 Qd8 18. Bxf8 Qxc7 19. Ba3 Rc8 20. Re1 Ne4 21. Bf1 Bc4 22. e3 Bxa2 23. Ba6 {Yankelevich,L (2413)-Shevchuk,O (2093) chess.com INT 2024 1-0 (46)}) 9. Bc1 f5 {Inhibits e4.} 10. b3 {[#]} Kh8 $146 {White is slightly better.} (10... Bd6 11. Bb2 Qe7 12. e3 Nhf6 13. Ne2 b6 14. Ne5 Bb7 15. Nf4 Ne4 16. Rc1 {0-1 (49) Sethuraman,S (2649)-Santiago,Y (2473) Hanoi 2018} Rac8 17. Qe2 Rfd8 18. Rfd1 Ndf6 19. f3 Ng5 $1 20. c5 Bxe5 21. dxe5 Nd7 22. b4 Nf7 23. e4 {Strongly threatening exf5.} Nfxe5 {[%cal Rb6c5]} 24. exf5 exf5 25. Re1 {[%cal Rb2e5]} Re8 26. Bd4 (26. Nh5 $14 Qf8 27. Nxg7) 26... Qf7 27. Qb2 {[%cal Rd4e5]} Nc4 28. Qc3 bxc5 29. bxc5 Nf8 30. Bf1 Ba6 31. a4 Rc7 32. Nd3 Rce7 33. Rxe7 Rxe7 34. Ne5 (34. Nb4 Bb7 35. Bxc4 dxc4 36. a5) 34... Nxe5 $15 35. Bxa6 Neg6 36. Rb1 {[#]} h5 (36... f4 $1 $17 37. Rb8 fxg3 38. hxg3 h5) 37. Rb8 {[#]} (37. f4 $1) 37... Kh7 (37... f4 $1 $17 38. Bf2 fxg3 39. hxg3 Qf5) 38. Bd3 (38. f4) 38... Ne6 $15 39. Bf2 (39. Be3 $15) 39... Ng5 $19 40. Kg2 {Sethuraman,S (2649)-Santiago,Y (2473) Hanoi 2018 0-1}) 11. Ne1 (11. Bb2 $16) 11... Qe8 12. Nd3 Bf6 {[%cal Be7f6,Bf6e5,Be5g7][%mdl 32]} 13. e3 {[%cal Rc4d5]} g5 14. Bb2 Rg8 15. Ne5 $2 {Mistake. Rc1 was best.} (15. Re1 $16) (15. Rc1 Ng7 16. a4 a5 17. Re1 Nf8 18. Ne2 Be7 19. f3 Ng6 20. e4 f4) 15... Nxe5 16. dxe5 Bxe5 17. f4 $6 {Inaccuracy. b4 was best.} (17. cxd5 exd5 18. Rc1) (17. b4 Bg7 18. b5 Nf6 19. Rb1 h5 20. bxc6 bxc6 21. cxd5 exd5 22. Na4 Ne4) 17... gxf4 $15 18. exf4 Bg7 19. Re1 {[%cal Rc4d5]} Qf7 20. cxd5 (20. Qc2 $15) 20... cxd5 (20... exd5 $17 21. Na4 Nf6) 21. Qd2 Bd7 22. Nxd5 $6 {Inaccuracy. Ne2 was best.} (22. Ne2 Nf6 23. Rac1 Rac8 24. Qb4 Bc6 25. Be5 Ne4 26. Bxg7+ Rxg7 27. Nd4 Qf6) 22... Bc6 $2 {Mistake. exd5 was best. Weighted Error Value: White=0.49/Black=0.28 (precise) PRECISÃO LICHESS: BRANCAS 90% PRETAS 90%} (22... exd5 23. Bxd5 Qg6 24. Bxg8 Rxg8) 1/2-1/2

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.4"]
[White "(), Da Silva Mendes Man"]
[Black "Natacio, Goncalves Bezerra"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1879"]
[BlackElo "2007"]
[Annotator "Stockfish 16.1"]
[PlyCount "66"]
[EventDate "2024.??.??"]

{[%evp 0,66,15,-13,-5,-34,-2,-14,3,-37,4,-6,7,-4,20,20,-1,-4,28,7,4,4,7,-25,-26,-44,-44,-44,-44,-32,-40,-58,-58,-99,-69,-56,-84,-77,-42,-78,-56,-99,-101,-98,-103,-120,-118,-151,-147,-244,-244,-244,-244,-244,-215,-231,-58,-190,-185,-293,-293,-376,-416,-567,-596,-29995,-29996,-29997,-29998]} 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 Bf5 5. O-O e6 {[%cal Be7e6,Be6d5,Bd5d4][%mdl 32]} 6. d3 Be7 7. Nc3 $146 (7. h3 h6 8. Qb3 Qb6 9. Be3 Qxb3 10. axb3 a6 11. Nc3 Nbd7 12. Nd4 Bh7 13. Nc2 O-O 14. Rfc1 Rfd8 15. Na4 e5 16. Nb6 Nxb6 17. Bxb6 Rd7 18. Ra4 Re8 19. Na3 e4 20. d4 g5 21. e3 Bd6 {Sivakumar,S (2364)-Pakleza,Z (2482) chess.com INT 2023 0-1 (90)}) (7. cxd5 cxd5 8. Nh4 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nxg6 hxg6 12. e4 Nc6 13. Nc3 O-O 14. exd5 exd5 15. Bf4 d4 16. Ne4 Nd5 17. Bd2 Qb6 18. Rb1 Ne3 19. fxe3 dxe3 20. Kh1 exd2 21. Qxd2 Rad8 {Domingo Nunez,A (2316)-Pakleza,Z (2482) chess.com INT 2024 0-1 (32)}) (7. Qb3 Qb6 8. Be3 Qxb3 9. axb3 a6 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bd2 Nbd7 13. Bc3 O-O 14. Nd2 Rac8 15. b4 Ne8 16. e4 dxc4 17. dxc4 Bf6 18. c5 Bxc3 19. bxc3 Ne5 20. f4 Ng4 21. Nc4 Nc7 {Chua,A (2308)-Lehtosaari,M (2149) chess.com INT 2024 1-0 (41)}) 7... O-O 8. h3 {A11: English Opening: 1...c6.} (8. Nh4 Bg4 9. h3 Bh5 $1 10. g4 Bg6 11. b3 a5 12. e3 Na6 13. Qe2 (13. Nxg6 $14 {keeps the upper hand.} hxg6 14. Bb2) 13... Nd7 (13... Bb4 $1 $17 {[%cal Rb4c3]} 14. Nxg6 hxg6) 14. Nxg6 $14 hxg6 15. d4 Re8 16. f4 Bb4 17. Bb2 f5 (17... Nc7 $14) 18. g5 $16 Bxc3 19. Bxc3 Nc7 20. Rac1 (20. a4) 20... Qb8 21. Rc2 Kf7 22. Rfc1 Rh8 23. Kh2 Ne8 24. c5 Nc7 {[%cal Be6e5]} 25. Be1 Qa7 26. Bf1 Na6 (26... a4) 27. Rb2 Nc7 28. Qc2 Rhb8 29. a4 Na6 30. Bc3 Nb4 31. Qd2 b6 32. Bxb4 axb4 33. cxb6 Rxb6 34. Rbc2 Rc8 35. Bb5 Nb8 36. Qxb4 Re8 37. Qd6 (37. Qd2 $1 $16) 37... Re7 {Nakamura,H (2768)-Pakleza,Z (2496) Chess.com INT 2023 1-0}) 8... h6 {[#]} 9. g4 $146 (9. Be3 Na6 10. cxd5 exd5 11. Rc1 Bd6 12. Qd2 Re8 13. a3 Nc7 14. Bf4 Be7 (14... Ne6 15. Bxd6 Qxd6 {1-0 (52) Schneider,B (2405)-Luett,M Berlin 1994} 16. d4 (16. e4 $14 dxe4 17. dxe4 Qxd2 18. Nxd2) 16... Rad8 17. b4 Ne4 18. Qe1 N6g5 (18... a5 $17 19. bxa5 Qxa3) 19. Kh2 (19. Nxg5 Nxg5 20. h4) 19... Nxf3+ $17 20. Bxf3 Ng5 21. Bg2 $1 Bxh3 $2 (21... Qe6 $15 {stays ahead.} 22. h4 Ne4) 22. Bxh3 $16 {Qd2 is the strong threat.} Nf3+ 23. exf3 Rxe1 24. Rcxe1 Qf6 25. Re5 Qxf3 26. Re3 Qf6 27. Ne2 a5 (27... Kf8 $16) 28. bxa5 $18 Ra8 {[#]} 29. Kg2 $1 {Black must now prevent Rb1.} Rxa5 30. Rb1 {Hoping for Re8+.} b5 31. Rbb3 (31. Re8+ $18 Kh7 32. Rb3) 31... Ra7 (31... g6 $16 {was called for.}) 32. Bg4 (32. Re8+ $18 Kh7 33. Rc8) 32... g6 $14 33. Bf3 Kg7 34. Rbd3 Qd6 (34... h5) 35. Rb3 (35. Ng1 $16) 35... Qf6 36. Red3 Ra4 37. Rb4 Ra7 38. Nc1 Qd6 {Schneider,B (2405)-Luett,M Berlin 1994 1-0} (38... h5))) 9... Bh7 10. cxd5 {Black has an edge.} exd5 11. Nd4 Nbd7 12. Nf5 Bxf5 13. gxf5 d4 14. Ne4 Qa5 15. Ng3 Bd6 {Inhibits Bf4.} 16. e4 (16. Qe1 Qb6 17. Ne4) 16... dxe3 $1 $17 17. Bxe3 Qc7 18. Ne4 Bf4 19. Bd4 Be5 20. Bxe5 Qxe5 21. Ng3 Rfe8 (21... Qxb2 22. Rb1 Qxa2 23. Rxb7 $17) 22. Qb3 Nc5 23. Qc4 Rad8 {Inhibits d4.} 24. Rfe1 $6 {Inaccuracy. Rad1 was best.} (24. Rfd1 {was necessary.} Rd4 25. Qc3) (24. Rad1) 24... Qxe1+ $19 25. Rxe1 Rxe1+ 26. Bf1 Nxd3 27. Kg2 Ne5 $4 {Blunder. Rd1 was best.} (27... Nxb2 28. Qb4 Rb1 29. Be2) (27... Rd1 28. Bxd3 (28. Kg1 Rd2 29. Be2 Rd5 30. Qa4 a6 31. Qc4 Kh7 32. a4 a5 33. b3) 28... R1xd3) 28. Qb4 $4 {Blunder. Qc3 was best. [#]} (28. Qc3 Rdd1 29. Be2 Rxe2 30. Nxe2) 28... Rdd1 $1 29. Qxb7 $6 {Inaccuracy. Be2 was best.} (29. Be2 Nd5 30. Qe4 f6 31. Bxd1 Rxe4 32. Nxe4 Kf8 33. Nc5 b6 34. Ne6+ Ke7) 29... Nd5 30. Qb8+ Kh7 31. Qb7 $6 {Inaccuracy. Nh5 was best.} (31. Nh5 g6 32. fxg6+ Kxg6 33. Kh2 Kxh5 34. Bg2 Rd2 35. Qxa7 Kg6 36. Bxd5 Rxd5) 31... Nf4+ 32. Kh2 $4 {Checkmate is now unavoidable. Kh1 was best.} (32. Kh1 Rxf1+ 33. Nxf1 Rxf1+ 34. Kh2 Rxf2+ 35. Kg3 Rf3+ 36. Kh2 Rxh3+ 37. Kg1 h5) 32... Nf3+ 33. Kh1 Rxf1+ {Weighted Error Value: White=0.81/Black=0.32 PRECISÃO LICHESS: BRANCAS 83% PRETAS 92%} 0-1

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.5"]
[White "Alberto, Horacio Lombardi"]
[Black "Luis, Felipe Garcia De Ol"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1617"]
[BlackElo "1883"]
[Annotator "Stockfish 16.1"]
[PlyCount "74"]
[EventDate "2024.??.??"]

{[%evp 0,74,15,15,18,12,15,-14,-18,-10,-10,0,6,-24,-1,-6,0,-15,17,5,25,5,5,5,53,32,41,43,25,15,35,27,74,-76,-30,-30,-36,-33,-8,-24,0,0,0,-86,-45,-89,-49,-272,-272,-272,116,104,105,38,105,105,105,105,95,-210,-195,-195,-180,-238,-176,-194,-199,-226,-224,-246,-234,-271,-276,-290,-301,-358,-414]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. cxd5 exd5 6. a3 {D35: Queen's Gambit Declined: Exchange Variation.} (6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 h5 10. f3 Nxg3 11. hxg3 {[%cal Bg3g4]} Be6 {Inhibits g4.} 12. Bd3 {[%cal Bg3g4]} c6 13. O-O-O Nd7 14. f4 Bg4 15. Nf3 Qe7 16. e4 Bxc3 (16... dxe4 $1 17. Bxe4 gxf4) 17. Qxc3 $14 {Strongly threatening Rde1.} Bxf3 18. gxf3 dxe4 19. Bxe4 {Hoping for d5.} gxf4 20. g4 O-O-O 21. d5 h4 (21... Kb8 $16) 22. dxc6 $18 Nc5 23. Bf5+ Kb8 24. Kb1 $1 {Rc1 is the strong threat.} b6 (24... Rxd1+ $16 25. Rxd1 Re8) 25. Rd7 Rxd7 26. cxd7 Rd8 27. Qd4 Nxd7 28. Rd1 Qc5 29. Qxf4+ Qc7 30. Qd2 h3 31. Be4 a5 (31... Qe5 {was called for.} 32. a3 h2) 32. Qd5 $18 {[%csl Ge4][%cal Rd5a8]} Ka7 {Inhibits Qa8+.} 33. Qxf7 h2 34. Qh7 Kb8 35. a3 Qe5 {Caruana,F (2803)-Nepomniachtchi,I (2758) Toronto 2024 ½-½ (109)}) (6. Qa4+ Nc6 7. e3 h6 8. Bxf6 Qxf6 9. Bd3 Qg5 10. g3 O-O 11. Nge2 Bg4 12. h4 Qe7 13. h5 Rad8 14. Rh4 Bd7 15. Qd1 Qg5 16. a3 Bxc3+ 17. Nxc3 Ne7 18. Qf3 c6 19. Rf4 Nc8 20. O-O-O f5 {Fedoseev,V (2683)-Ter Sahakyan,S (2643) Samarkand UZB 2023 1-0 (71)}) 6... Bxc3+ 7. bxc3 O-O $146 {[%cal Bc7c5]} (7... h6 8. Bf4 (8. Bh4 g5 9. Bg3 Ne4 10. Qb3 h5 11. f3 Nxg3 12. hxg3 Nc6 13. e3 Qd6 14. Ne2 Bf5 15. Ra2 O-O-O 16. Rb2 b6 17. Qa4 Kb8 18. f4 Rde8 19. c4 Rxe3 20. c5 Qf6 21. cxb6 axb6 22. Kf2 {Silva,J (1960)-Grahn,V (2273) chess.com INT 2024 0-1 (43)}) 8... O-O 9. e3 c5 (9... c6 10. Bd3 Nbd7 11. Nf3 Re8 12. O-O Ne4 13. c4 Ndf6 14. cxd5 Nxd5 15. Be5 Ng5 16. h3 Nc3 17. Qc2 Nxf3+ 18. gxf3 Nd5 19. Kh2 Qh4 20. Bf5 Qh5 21. Bg4 Bxg4 22. fxg4 {Ambartsumova,K (2406)-Grahn,V (2247) chess.com INT 2024 0-1 (48)}) 10. Bd3 Ne4 11. Ne2 cxd4 12. Bxe4 dxe4 13. cxd4 b6 14. O-O Ba6 15. Rc1 Qd7 16. Re1 Nc6 17. Qa4 Bb7 18. Red1 Qg4 19. Ng3 Ne7 20. h3 Qe6 21. Rc7 Bc6 22. Qc2 {Ambartsumova,K (2418)-Kozak,A (2600) chess.com INT 2024 0-1 (36)}) 8. e3 {White is slightly better.} Bf5 $6 {Inaccuracy. h6 was best.} (8... c5 $14) (8... h6 9. Bh4 c5 10. Bd3 cxd4 11. cxd4 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 Ne4+ 14. Ke2) 9. Nf3 $6 {Inaccuracy. Qf3 was best. [#]} (9. Qf3 Be4 10. Bxf6 Qd6 11. Qf4 Qxf4 12. exf4 gxf6 13. f3 Bc2 14. Rc1 Ba4) 9... c5 $146 (9... h6 10. Bh4 Nbd7 11. Bd3 Bxd3 12. Qxd3 c5 13. O-O Rc8 14. Rfb1 b6 15. Qa6 Qc7 16. Nd2 {1-0 (57) Cadjenovic,D (1809)-Milovic,S (1348) Podgorica 2024} Rfe8 17. Qd3 (17. a4) 17... Ne4 18. f3 Nxd2 19. Qxd2 cxd4 20. cxd4 Qc3 21. Qxc3 Rxc3 22. Rb5 g5 23. Bf2 Nf6 24. a4 Rec8 25. h4 Rc1+ 26. Rxc1 Rxc1+ 27. Kh2 Ra1 28. Rb4 g4 29. Bg3 Ra2 {White must now prevent ...gxf3.} 30. Be5 Nd7 {Threatens to win with ...gxf3.} 31. fxg4 Nxe5 32. dxe5 Rc2 33. Rd4 Rc3 34. a5 Rc5 (34... Rxe3 35. Rxd5 bxa5) 35. axb6 axb6 36. Kg3 Kg7 37. Kf3 Kg6 $2 (37... b5 $16) 38. e4 $2 (38. Kf4 $18) 38... dxe4+ 39. Kxe4 {Cadjenovic,D (1809)-Milovic,S (1348) Podgorica 2024 1-0}) 10. Bd3 Bxd3 11. Qxd3 Qd6 $6 {Inaccuracy. Nbd7 was best.} (11... Nbd7) 12. Bf4 $6 {Inaccuracy. dxc5 was best.} (12. dxc5 Qa6 13. Qxa6 Nxa6 14. Bxf6 gxf6 15. Rd1) 12... Qb6 13. O-O c4 14. Qc2 Ne4 $6 {Inaccuracy. Qe6 was best.} (14... Qe6 15. Rae1 Nbd7 16. h3 Rae8 17. a4 Ne4 18. Nh2 f5 19. f3 Nd6 20. Bxd6) 15. Rfb1 Qa5 16. Nd2 $4 {Blunder. Qb2 was best.} (16. Qb2 Nc6) 16... Qxc3 $2 {Mistake. Nxc3 was best.} (16... Nxc3 17. Re1 (17. Rxb7 Qa6 $17) 17... Nc6) 17. Qxc3 $15 Nxc3 18. Rxb7 Nc6 $6 {Inaccuracy. Ne2+ was best.} (18... Ne2+ 19. Kf1 Nxf4 20. exf4 Nc6) 19. Bd6 $36 {[%mdl 2048] White is pushing.} (19. Kf1 $5 {[%cal Ra1c1]}) 19... Rfd8 20. Bb4 $6 {Inaccuracy. Bg3 was best. [#]} (20. Bg3) 20... Nxb4 $6 {Inaccuracy. Na4 was best.} (20... Na4 21. Nb1 Rab8 22. Rc7 Rdc8 23. Rxc8+ Rxc8 24. Nc3 Nxc3 25. Bxc3 Rb8 26. f3) 21. Rxb4 $6 {Inaccuracy. axb4 was best.} (21. axb4 Rab8 22. Raxa7 (22. Rxb8 Rxb8 23. Rxa7 f5 24. Ra3 Ne4 25. Nxe4 fxe4 26. f3 exf3) 22... Rxb7 23. Rxb7) 21... Rdb8 $6 {Inaccuracy. f5 was best.} (21... a5 $17 22. Rb2 Rab8) (21... f5) 22. Nb1 Nb5 23. Ra2 $4 {[%mdl 8192] Blunder. a4 was best.} (23. a4 Nc7 24. Rxb8+ Rxb8 25. Nc3 Kf8 26. Rb1 Rxb1+ 27. Nxb1 Ke7 28. f3 Kd6) 23... a5 $19 24. Rbb2 Nxd4 $4 {[%mdl 8192] Blunder. c3 was best.} (24... c3 25. Rc2 Nxd4 26. Rc1 Rxb1 27. Rxb1 c2 28. Rc1 Ne2+ 29. Kf1 Nxc1 30. Rxc2) 25. exd4 $18 Rb3 26. g3 Rab8 27. Rxb3 Rxb3 {[%mdl 4096] Endgame KRN-KR} 28. Nd2 Rd3 29. Nb1 $4 {[%mdl 8192] Blunder. Nf1 was best.} (29. Nf1 Rxd4) 29... Rd1+ $19 {Black is clearly winning.} 30. Kg2 Rxb1 {KR-KR} 31. Rc2 Rb3 32. a4 Kf8 33. Kf1 Rd3 34. Rb2 Rxd4 35. Rc2 Ke7 36. Ke2 Kd6 37. Ke3 Rd3+ {Weighted Error Value: White=0.93/Black=0.52 PRECISÃO LICHESS: BRANCAS 76% PRETAS 78%} 0-1

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.6"]
[White "Clara, Oliveira Silva"]
[Black "Carlos, Alberto De Carvalho"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1395"]
[BlackElo "1957"]
[Annotator "Stockfish 16.1"]
[PlyCount "55"]
[EventDate "2024.??.??"]

{[%evp 0,55,15,15,20,15,63,36,23,21,31,31,40,43,50,33,30,24,38,25,38,9,4,-19,1,-9,59,-3,28,23,20,-9,-9,-31,-11,-17,4,-3,3,27,71,40,30,49,44,43,24,14,16,16,64,-96,-120,-202,-194,-241,-61,-71]} 1. d4 e6 2. Nf3 b6 $6 {Inaccuracy. Nf6 was best.} (2... Nf6 3. c4 d5 4. Nc3 Be7 5. Bf4 O-O 6. a3 b6 7. e3) 3. c4 $6 {Inaccuracy. e4 was best.} (3. e4 d5 4. exd5 exd5 5. Ne5 Ne7 6. Bd3 Nbc6 7. Bb5 Bd7) 3... Bb7 4. e3 d6 $146 (4... Bb4+ 5. Nfd2 f5 6. a3 Bd6 7. Nc3 Nf6 8. b4 a5 9. bxa5 Rxa5 10. c5 bxc5 11. Nb3 Ra8 12. Nxc5 Bc6 13. Be2 O-O 14. O-O Nd5 15. Nxd5 Bxd5 16. Bf3 Bxf3 17. Qxf3 Nc6 18. Nxe6 dxe6 19. Qxc6 {Livaic,L (2561)-Sivakumar,S (2393) chess.com INT 2024 1-0 (32)}) 5. Nc3 Nd7 6. Bd3 {A40: Unusual replies to 1 d4.} g6 7. O-O Bg7 8. b3 (8. e4 $16 Ne7 9. h3 h6 10. Re1 g5 11. d5 (11. a4 $16) 11... Ng6 (11... Bxc3 12. bxc3 Ng6) 12. Be3 (12. Ne2 $14) 12... Nde5 (12... Bxc3 $15 13. bxc3 c5) 13. Nxe5 $14 Bxe5 14. Rc1 h5 {[%cal Bg5g4]} 15. Nb5 (15. Qd2 $14) 15... g4 $1 $15 16. hxg4 (16. b4 $15) 16... hxg4 $17 17. Qxg4 a6 (17... Bc8 $1 $17) 18. Nd4 {[%cal Bd4e6] Hoping for Nxe6!} Rh4 19. Qd1 Bxd4 20. Bxd4 {Black must now prevent g3.} Qg5 21. Be3 Qf6 22. g3 Rh7 $1 23. Kg2 Rg7 (23... O-O-O {remains equal.}) 24. Rh1 $16 O-O-O 25. Kf1 (25. Rh5 $16) 25... Qxb2 (25... Ne5 $1) 26. Be2 {aiming for Bd4.} Rgg8 (26... Qf6 $1 $14) 27. Bd4 $18 Qa3 28. Rh7 (28. Rc3 $18 Qa5 29. Bf6) 28... Kb8 $2 (28... e5 $14 29. Be3 Rh8 30. Rxh8 Rxh8) 29. Qd2 (29. Rc3 $18 Qa5 30. Bf6) 29... Rdf8 $16 30. Rb1 {Strongly threatening dxe6.} Qa4 31. dxe6 $1 Bxe4 $2 {[%mdl 8192]} (31... Qc6 $16) 32. exf7 $18 Bxb1 33. fxg8=Q Rxg8 34. Bxb6 $1 Rc8 35. Qb2 {White wants to mate with Bxc7+.} Be4 (35... Bd3 $18) 36. Bxc7+ Ka8 37. Bb6 Bb7 {Caruana,F (2786)-Nakamura,H (2780) Chess.com INT 2023 ½-½ (78)}) 8... Ne7 9. Bb2 {[#]} h6 $6 $146 {Inaccuracy. O-O was best.} (9... O-O 10. Rc1 (10. Qe2) 10... a6 11. Qe2 c5 12. Rfd1 Nf6 {keeps the balance.} (12... e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Be4 Bxc3 16. Bxb7 Bxb2 17. Qxb2 {1-0 (29) Kosakowski,J (2486)-Piorun,K (2597) Chess.com INT 2024} Ra7 18. Bf3 b5 (18... Qd7 $16) 19. Qf6 (19. Qd2 $1 $18) 19... Nc8 (19... Nf5 $16 {was called for.} 20. Qxd8 Rxd8) 20. Qxd8 $18 Rxd8 21. cxb5 $1 axb5 22. Rxc5 $1 Rxa2 23. Rxb5 Ne7 24. g3 (24. h4 $18) 24... h5 $2 (24... Kf8 $16 25. Rc1 Rd7 26. Rb8+ Kg7) 25. Rb7 $18 Kf8 26. Rc1 $1 Ng8 27. Rcc7 Nh6 28. Bd5 Re8 29. Bxf7 {1-0 (29) Kosakowski,J (2486)-Piorun,K (2597) Chess.com INT 2024})) 10. Nd2 $6 {Inaccuracy. Qe2 was best.} (10. Qe2) 10... f5 11. f4 a6 12. Be2 c5 13. Bf3 Qc7 $6 {Inaccuracy. Qb8 was best.} (13... Qc8 $14) (13... Qb8) 14. d5 $6 {Inaccuracy. dxc5 was best.} (14. dxc5 Nxc5 15. Nb5 axb5 16. Bxg7 Rh7 17. Bb2 bxc4 18. Nxc4 Bd5 19. a4 Bxc4) 14... e5 15. fxe5 Nxe5 16. a4 O-O 17. Qe2 $6 {Inaccuracy. Qc2 was best. Inhibits Nd3.} (17. Qc2) 17... g5 (17... Nxf3+ 18. Qxf3 g5 19. Qh5) (17... Rae8 $17) 18. Bh5 Kh7 $2 {Mistake. Bc8 was best.} (18... Bc8 19. Rae1 N7g6 20. Qd1 Bh8 21. Qb1 Qh7 22. Ne2 Bd7 23. Ng3 Nh4 24. Kh1) 19. Nf3 N7g6 $6 {Inaccuracy. Ng8 was best.} (19... Ng8 20. Qc2 Bc8 21. g4 Nxf3+ 22. Rxf3 Nf6 23. gxf5 Nxh5 24. f6+ Kg8 25. Ne4) 20. Nxe5 Bxe5 21. Qc2 $1 Bc8 {[#]} 22. g3 $6 {Inaccuracy. Rf2 was best.} (22. Rf2) 22... Qg7 23. Rf2 $1 Bd7 24. Raf1 {[%cal Bg3g4]} g4 25. Kh1 $2 {Mistake. Bxg6+ was best.} (25. Bxg6+ Qxg6 26. Ne2 Bxb2 27. Qxb2 Qg7 28. Qb1 Rfe8 29. Nf4 Rxe3 30. Ne6 Bxe6) 25... Ne7 $17 26. e4 $2 {Mistake. h3 was best.} (26. h4 $17) (26. h3 gxh3) 26... Qg5 $19 27. exf5 Qxh5 (27... Nxf5 {[#]} 28. Ne4 $1 Qxh5 29. Bxe5 dxe5 30. Nd6) 28. f6+ {[%mdl 32768] Weighted Error Value: White=0.49/Black=0.27 (precise) . An unexpected result. PRECISÃO LICHESS: BRANCAS 85% PRETAS 90%} 1/2-1/2

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.7"]
[White "Rodolfo, De Araujo Bezerra"]
[Black "Herivaldo, Souza E Silva"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1709"]
[BlackElo "1613"]
[Annotator "Stockfish 16.1"]
[PlyCount "101"]
[EventDate "2024.??.??"]

{[%evp 0,101,15,12,72,72,75,61,83,52,52,46,67,69,65,51,62,56,108,98,98,73,105,77,143,79,150,137,138,124,114,84,73,66,156,121,127,132,144,149,149,149,253,114,97,89,111,33,38,40,157,25,120,62,97,70,107,55,381,371,397,393,417,377,411,405,464,464,438,458,506,495,567,559,1017,437,437,350,336,334,368,370,438,429,482,464,584,471,589,563,829,742,799,1206,29991,29990,29991,29992,29993,29994,29995,29996,29997,29998]} 1. e4 d6 2. Nf3 Nf6 3. Nc3 Bg4 4. Be2 Nc6 5. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} g6 6. O-O Bg7 7. Be3 O-O 8. h3 {B08: Pirc Defence: Classical System.} Bd7 $6 {Inaccuracy. Bxf3 was best.} (8... Bxf3 9. Bxf3 e5 (9... e6) 10. dxe5 dxe5 11. Be2 Nd4 12. Bc4 c6 13. a4 (13. f4 $5 {[%cal Rf4e5]} Ne8 14. f5) 13... a6 (13... Qe7) 14. a5 Qc7 (14... Qe7 $14) 15. Re1 (15. Bd3 $1 $16) 15... Rad8 $14 16. Qc1 Rd7 (16... Qe7 $14) 17. Na4 $18 Nxe4 (17... Re8 18. c3 Ne6) 18. c3 $1 $18 c5 19. Nb6 Nf5 20. Nxd7 Qxd7 21. Qc2 Nxe3 22. Qxe4 Nxc4 23. Qxc4 Qc7 24. Red1 h5 25. Rd5 Rc8 26. Rad1 Qc6 27. Rd6 Qe8 28. Qd5 e4 29. Qxb7 e3 30. Qxc8 Qxc8 31. Rd8+ {1-0 (31) Dubov,D (2702)-Aravindh,C (2608) Chess.com INT 2022}) 9. d5 Nb8 10. Bd4 (10. Re1 $16) 10... c5 11. Be3 {[#]} h6 $6 $146 {Inaccuracy. b5 was best.} (11... b5 12. a3) (11... Qc7 12. Nd2 a6 13. a4 b6 14. f4 Bc8 15. Qe1 e6 16. Nf3 $16 (16. Bf3 exd5 17. exd5 Re8 {1-0 (50) Leao,C-Cathcart,J Catanduva 2010} 18. Qf2 {[%cal Bf4f5]} Bf5 19. Rac1 Nfd7 $2 (19... Nbd7) 20. Kh1 $18 {Hoping for g4.} Nf8 21. g4 Bd7 (21... Bc8 22. Rce1 f5) 22. h4 $2 (22. f5 $1 $18 {[%cal Rf5f6]}) 22... Qd8 $2 (22... f5 23. Rg1 Qd8) 23. Nc4 {Black must now prevent f5.} b5 (23... Bxc3 $16 {keeps fighting.} 24. bxc3 Bxa4) 24. Nxd6 $18 Rxe3 25. Qxe3 Bxg4 26. Bxg4 {Nce4 is the strong threat.} Qxd6 27. axb5 axb5 28. Nxb5 Qb6 29. c4 Qf6 30. Qf2 Ra2 31. Nc3 Ra7 32. Ne4 Qe7 33. Bf3 Bd4 34. Qg3 Ra2 35. Rc2 Na6 36. Re2 Qb7 37. Nd6 Qc7 38. Nb5 Qb8 39. Nxd4 cxd4 40. Rff2 Nd7 41. Rd2 {Leao,C-Cathcart,J Catanduva 2010 1-0})) 12. Nd2 a6 13. a4 {Prevents b5.} Be8 14. f4 Nbd7 15. Nf3 Nh5 {[%cal Bb7b5]} 16. Qe1 Nhf6 $6 {Inaccuracy. b5 was best.} (16... b5 17. f5 bxa4 18. Rxa4 g5 19. Ra3 Nhf6 20. b3 a5 21. Bd2 Qb8 22. Kh1) 17. a5 Qc7 18. Nd2 b5 19. axb6 $1 Qxb6 $6 {Inaccuracy. Nxb6 was best.} (19... Nxb6 20. f5 Qb7 21. Nb3 Nbd7 22. Qd2 Qb4 23. Bxh6 Ne5 24. Bxg7 Kxg7 25. Bxa6) 20. Nc4 Qb7 $6 {Inaccuracy. Qb8 was best.} (20... Qc7 21. f5 Nb6) (20... Qb8 21. e5 dxe5 22. b3 a5 23. Rd1 exf4 24. Bxf4 Qb4 25. Bf3 Ra6 26. Na4) 21. Ra2 $2 {Mistake. e5 was best.} (21. e5 dxe5 22. fxe5 Nh7 23. Bf4 Nb6 24. Na5 Qc8 25. Bg4 Bd7 26. e6 fxe6) 21... Nb6 $16 22. Na5 Qc8 23. Nc4 $2 {Mistake. Bf3 was best.} (23. f5 $16) (23. Bf3 e6) 23... Nxc4 24. Bxc4 Bd7 $6 {Inaccuracy. Bb5 was best.} (24... Bb5 25. Be2 (25. Nxb5 axb5 26. Rxa8 Qxa8 $15) 25... Qb7) 25. Rf3 $6 {Inaccuracy. e5 was best.} (25. e5 Nh7) 25... Qb7 $6 {Inaccuracy. Bb5 was best.} (25... Bb5 26. Be2 (26. Nxb5 axb5 27. Rxa8 Qxa8) 26... Qb7) 26. Qe2 $2 {Mistake. e5 was best.} (26. e5 Nh7 27. Bd2 Qb8 28. Re3 Bb5 29. b3 Bxc4 30. bxc4 Re8 31. Na4 Nf8) 26... a5 $2 {Mistake. Bb5 was best.} (26... Bb5 27. Bd2 Bxc4 28. Qxc4 a5 29. b3 Rfb8 30. Nd1 e6 31. dxe6 Nxe4 32. exf7+) 27. b3 $36 {[%mdl 2048] Keeping Black busy.} Nh5 28. Na4 {[%cal Be4e5]} Ng3 $4 {[%mdl 8192] Blunder. e6 was best.} (28... e6 29. dxe6) 29. Rxg3 $18 Kh7 30. Bd2 Rfb8 31. Qd3 Qc8 32. Bc3 f6 33. e5 Bf5 34. Qe2 Qc7 35. e6 h5 36. Bd3 {Intending Bxf5 and mate.} h4 $4 {Checkmate is now unavoidable. Kh6 was best. [#]} (36... Kh6 37. Ra1 Rb4 38. Kh2 h4 39. Rf3 Bxd3 40. Qxd3 c4) 37. Re3 $4 {Lost forced checkmate sequence. Bxf5 was best.} (37. Rxg6 $3 {[%mdl 512]} Rh8 (37... Bxd3 38. Qh5+) 38. Bxf5 Kg8 {[#]} 39. Rxg7+ $1 {[%mdl 512]} Kf8 40. Qg4 c4 41. Qg6 Qa7+ 42. Kh1 Qg1+ 43. Kxg1 cxb3 44. Qf7#) (37. Bxf5 hxg3 38. Qh5+ Kg8 39. Bxg6 Rxb3 40. cxb3 Qa7 41. Bf7+ Kf8 42. Qh7 c4+) 37... Bxd3 38. Rxd3 c4 39. bxc4 Qxc4 40. Ra1 Rb5 41. Qf3 Rab8 42. Rd4 Qc7 43. Qg4 Kg8 $6 {Inaccuracy. Rb1+ was best.} (43... Rb1+ 44. Rxb1 Rxb1+ 45. Kh2 Qd8 (45... Bh6 46. Qxh4 Rf1 47. f5 Rxf5 48. Bd2 Rh5 49. Qe4) 46. Qxh4+ Kg8) 44. Qxg6 Rb1+ $6 {Inaccuracy. Qa7 was best.} (44... Qa7 45. Kh2 Rb4 46. Rad1 Rxd4 47. Bxd4 Qc7 48. Nc3 Kh8 49. Qg4 Rb4 50. Ne2) 45. Rxb1 Rxb1+ 46. Kh2 {Threatening mate with f5.} Rc1 $4 {Checkmate is now unavoidable. Qa7 was best.} (46... Qa7 47. f5 Rb4 48. Qf7+ Kh8 49. Qe8+ Kh7 50. Qd7 Qxd4 51. Bxd4 Rxd4 52. Qxe7) 47. Qf7+ {White mates.} Kh8 48. f5 Qc4 49. Rxc4 Rh1+ 50. Kxh1 Bh6 51. Rc8+ {Weighted Error Value: White=0.45/Black=0.84 PRECISÃO LICHESS: BRANCAS 91% PRETAS 86%} 1-0

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.9"]
[White "Mauro, Machado De Carvalho"]
[Black "Reryckson, Oliveira Gracie"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1621"]
[BlackElo "1724"]
[Annotator "Stockfish 16.1"]
[PlyCount "101"]
[EventDate "2024.??.??"]

{[%evp 0,101,15,15,80,45,43,43,43,38,70,42,49,39,57,48,57,29,19,4,7,14,24,31,25,23,13,8,14,10,20,-19,-16,-16,4,6,3,-14,18,-1,35,22,62,43,43,27,16,8,37,37,67,52,112,22,47,25,29,29,44,41,33,-7,-5,-6,-13,-23,-24,-41,-28,-46,-28,-163,-163,-163,-162,-127,-123,-112,-105,-105,-111,-155,-150,-207,-190,-176,-208,-218,-175,-179,-163,-169,-118,-184,-68,-204,13,-311,-178,-178,-52,-245,-245,-448]} 1. d4 g6 2. Bf4 Nf6 3. Nc3 Bg7 4. Nf3 d6 5. e3 O-O 6. Be2 $146 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} (6. Bc4 c5 7. d5 Nbd7 8. O-O Ng4 9. h3 Nge5 10. Ne4 Nxc4 11. Qe2 Nce5 12. c3 Nxf3+ 13. Qxf3 Ne5 14. Qg3 Bf5 15. Nd2 b5 16. e4 Bd7 17. b3 f5 18. Qh4 e6 19. Qxd8 Raxd8 20. Rab1 exd5 {Gudmundsson,E (1536)-Doorn,W Reykjavik ISL 2024 0-1 (45)}) 6... Re8 (6... Nbd7 7. h3 c6 8. O-O Qc7 9. Bh2 Re8 10. a4 e5 11. a5 Rb8 12. Qd2 b5 13. axb6 $1 axb6 14. Rfd1 b5 15. dxe5 dxe5 16. Qd6 Qxd6 17. Rxd6 b4 18. Na4 Bb7 19. Rad1 Nf8 $2 (19... Re7 $16 {keeps fighting.}) 20. Bc4 $2 (20. Nc5 $18) 20... Ne4 $16 21. R6d3 h5 22. b3 Ra8 (22... c5) 23. Nb6 (23. Nd2 $16 Nxd2 24. R3xd2) 23... Ra2 24. Nd7 {[%cal Rd7e5]} Nc3 25. Ndxe5 Nxd1 (25... Bxe5 {keeps the balance.} 26. Nxe5 Nxd1 27. Rxd1 Ne6) 26. Bxf7+ $16 Kh7 {[%cal Ba2a1]} 27. Bxe8 (27. Rxd1 $16 Re7 28. Ng5+ Kh6 29. Nef3) 27... Nb2 {(  ...Ra1+)} 28. Rd8 $2 {[%mdl 8192]} (28. Bxg6+ $1 $14 Nxg6 29. Ng5+ Kg8 30. Rd8+ Nf8 31. Bf4) 28... Ra1+ {0-1 (28) Caruana,F (2782)-Bortnyk,O (2607) Chess.com INT 2023}) 7. h3 b6 8. Qd2 {White has an edge.} Bb7 9. O-O-O Nbd7 {[#]} 10. Kb1 $6 $146 {Inaccuracy. h4 was best.} (10. h4 c5 11. h5 Nxh5 12. d5 Nxf4 13. exf4 c4 14. Bxc4 Rc8 15. Bb3 Nc5) (10. g4 c5 $19 {[%cal Bb6b5] And now ...b5! would win.} (10... e5 11. dxe5 (11. Bg5 exd4 12. Nxd4 $17 (12. exd4 b5 $19 {and Black stays clearly on top.} (12... Qc8 13. Rhe1 b5 14. Nxb5 Ne4 15. Qa5 $17 (15. Qf4 Nb6 $19 {aiming for ...h6.} (15... Nxf2 16. Bc4 {0-1 (51) Adewumi,T (1844)-Tsvetkov,A (2412) Chess.com INT 2021} Rf8 {Hoping for ...Nb6.} 17. Be7 Nxd1 18. Bxf8 Qxf8 19. Nxc7 (19. Kxd1 Nb6 20. Bb3) 19... Rc8 (19... Bxf3 $15 20. Nxa8 Bxa8 21. Rxd1 Nb6) 20. Ng5 {[%cal Rc4f7]} d5 21. Nxd5 Bxd5 22. Bxd5 Nxb2 $1 23. Qxf7+ Qxf7 24. Bxf7+ Kf8 25. Kxb2 Bxd4+ 26. Kc1 {[%cal Bf7g6]} Bf6 27. Be6 $2 {[%mdl 8192]} (27. Ne4 $14 {was the only good move.}) 27... Bxg5+ $19 28. Kb2 Rb8+ 29. Kc3 Nc5 30. Bc4 Na4+ 31. Kd4 Rd8+ 32. Bd5 Nc3 33. Rf1+ Kg7 34. Rf7+ Kh8 35. Kxc3 {Threatens to win with Kd4.} Rxd5 36. Rxa7 h5 (36... Be3 $17 37. Kc4 Rc5+ 38. Kb3 Rb5+ 39. Kc4 Rc5+ 40. Kb3 Bd2) 37. gxh5 $2 {[#]} (37. Kc4 Rd2 38. gxh5) 37... Bf6+ $2 (37... Bd2+ $1 $19 38. Kc4 Rxh5) 38. Kb3 $2 (38. Kb4 $1) 38... Rxh5 $19 39. a4 Rxh3+ {Adewumi,T (1844)-Tsvetkov,A (2412) Chess.com INT 2021 0-1}) 16. Bh4 h6) 15... Nb6 16. Be3) 13. Nxb5 Ne4 14. Bxd8 Nxd2 15. Kxd2 Raxd8) 12... Bxh1 13. Rxh1) 11... dxe5 12. Bh2) 11. Rhg1 a6) 10... Ne4 $2 {Mistake. c5 was best.} (10... c5 11. h4 a6 12. h5 Nxh5 13. Rxh5 gxh5 14. d5 b5 15. Ne4 Nb6 16. Ng3) 11. Nxe4 Bxe4 12. Rhe1 (12. h4 $5 {[%cal Rh4h5]}) 12... Nf6 13. Bb5 c6 14. Bd3 b5 15. Bxe4 Nxe4 16. Qe2 Qb6 17. Nd2 Nf6 18. g4 (18. Bg5 $15) 18... Nd5 $6 {Inaccuracy. a5 was best.} (18... a5) 19. Bh2 Qa6 $4 {Blunder. a5 was best.} (19... a5 20. e4) 20. c3 $6 {Inaccuracy. e4 was best.} (20. e4 Nc7 21. e5) 20... Qc8 $6 {Inaccuracy. c5 was best.} (20... c5 21. e4) 21. e4 $14 Nb6 {[%cal Bb5b4]} 22. f4 (22. e5 $16) 22... a5 (22... b4 $5) 23. e5 dxe5 $6 {Inaccuracy. f5 was best.} (23... f5) 24. fxe5 Qe6 25. Nb3 {[%cal Bd4d5]} Nd7 $2 {Mistake. Qd5 was best. [#]} (25... Rf8 $14) (25... Qd5 26. Nc5 e6 27. Bg1 Reb8 28. h4 b4 29. Rc1 bxc3 30. Rxc3 Bf8 31. Rc2) 26. Bg1 $4 {Blunder. d5 was best.} (26. d5 cxd5 27. Nd4 Qb6 28. e6 fxe6 29. Qxe6+ Qxe6 30. Nxe6 b4 31. Nc7 bxc3) 26... g5 (26... b4 $14) 27. Qd2 Qg6+ 28. Qd3 Qxd3+ 29. Rxd3 a4 30. Nc5 $6 {Inaccuracy. Nd2 was best.} (30. Nd2 Nb6) 30... Nxc5 31. dxc5 Rad8 32. Bd4 e6 33. a3 $2 {Mistake. b4 was best.} (33. b4 h6) 33... Rd5 $17 34. Kc2 Red8 35. Rf1 $4 {[%mdl 8192] Blunder. Re2 was best.} (35. Re2 h6 36. h4 gxh4 37. Rh3 Bf8 38. Rxh4 Bxc5 39. Bxc5 Rxc5 40. Rxh6 Rd4) 35... Bxe5 $19 36. Rfd1 {Bxe5 is the strong threat.} Bxd4 37. Rxd4 Rxd4 38. cxd4 {[%mdl 4096] Endgame KR-KR} f6 $2 {[%cal Bf7f6,Bf6f5,Bf5f4,Bf4f3][%mdl 32] Mistake. Rd5 was best.} (38... Rd5 39. Rd3 e5 40. dxe5 Rxe5 41. Rc3 Re2+ 42. Kb1 Kg7 43. Ka2 f5 44. gxf5) 39. Kc3 Kf7 40. Re1 $6 {Inaccuracy. Kb4 was best.} (40. Kb4 Ke7 41. Ka5 e5 42. Kb6 Rxd4 43. Rf1 b4 44. Kxc6 bxa3 45. bxa3 Rd3) 40... Rd5 $2 {Mistake. f5 was best.} (40... f5 41. Re2 (41. Kb4 f4 42. Ka5 Rxd4 43. Kb6 b4 44. Kxc6 bxa3 45. bxa3 Rd3 46. Kb6) 41... h5) 41. Kd3 $4 {Blunder. Kb4 was best.} (41. Kb4 Ke7 42. Ka5 Rxd4 43. Kb6 b4 44. Kxc6 bxa3 45. bxa3 Rd3 46. Rb1 f5) 41... f5 $6 {Inaccuracy. e5 was best.} (41... e5 42. Re4 Ke6 43. Ke3 Rxd4 44. Rxd4 exd4+ 45. Kxd4 f5 46. Kc3 Ke5 47. gxf5) 42. Kc3 Kf6 43. Kb4 f4 44. Ka5 Ke7 $6 {Inaccuracy. Rxd4 was best.} (44... Rxd4 45. Kb6 e5 46. Kxc6 e4 47. Kxb5 Ke5 48. c6 Rd8 49. c7 Rc8 50. Kc6) 45. Kb6 Kd7 46. h4 $6 {Inaccuracy. Re4 was best.} (46. Re4 e5) 46... e5 $4 {Blunder. Rxd4 was best.} (46... Rxd4 47. hxg5 f3) 47. hxg5 $4 {[%mdl 8192] Blunder. dxe5 was best.} (47. dxe5 gxh4 (47... Rd2 48. hxg5 Rxb2 49. e6+ Ke7 50. Rf1 b4 51. Rxf4 bxa3+ 52. Kxc6 Kxe6) 48. e6+ Ke7 49. Kxc6) 47... Rxd4 $4 {Blunder. exd4 was best.} (47... exd4 48. Rh1 d3 (48... f3 49. Rxh7+ Ke6 50. Rh6+ Ke5 51. Rf6 d3 52. Rxf3 d2 53. Rf1) 49. Rxh7+ Ke6 50. Rh6+ Ke5) 48. Rh1 $4 {[%mdl 8192] Blunder. Rxe5 was best.} (48. Rxe5 b4 (48... Rd2 49. Rf5 Rxb2 50. Rxf4 b4 51. axb4 a3 52. Rf7+ Ke6 53. Rxh7 Rxb4+) 49. Rf5) 48... f3 49. Rxh7+ Ke6 50. g6 $6 {Inaccuracy. Rh6+ was best.} (50. Rh6+ Ke7 51. Rh7+ (51. Rf6 $2 Rf4 $19) 51... Kf8 52. Kxc6) 50... Rxg4 51. g7 {Weighted Error Value: White=0.88/Black=0.66 PRECISÃO LICHESS: BRANCAS 79% PRETAS 82%} 0-1

[Event "Memorial Silvio Mendes"]
[Site "Club Municipal Rua Haddock Lo"]
[Date "2024.07.15"]
[Round "6.10"]
[White "Zahir, Goncalves Firmo"]
[Black "Pedro, Oliveira Da Silva"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1280"]
[BlackElo "1489"]
[Annotator "Stockfish 16.1"]
[PlyCount "58"]
[EventDate "2024.??.??"]

{[%evp 0,58,15,15,15,12,15,-4,32,42,63,68,55,45,50,50,74,40,76,-54,43,49,33,37,40,-13,12,12,28,20,20,-112,171,171,171,171,324,324,440,265,458,437,443,-5,0,-187,-187,-191,-187,-187,66,66,66,5,22,11,11,5,109,11,5]} 1. d4 d5 2. c4 e6 3. cxd5 Qxd5 $6 {Inaccuracy. exd5 was best.} (3... exd5 4. Nc3 c6 5. Bf4 Nf6 6. e3 Bf5 7. h3 Nbd7 8. Bd3) 4. Nc3 Qd8 5. e4 Nf6 6. Bg5 Be7 7. Nf3 Nc6 $146 {D06: Queen's Gambit: Symmetrical and Baltic Defences.} (7... h6 8. Bf4 Bb4 (8... O-O $16) 9. Qc2 (9. Bd3 $1 $18) 9... Bxc3+ 10. bxc3 Nc6 11. Bd3 Bd7 12. O-O Qc8 (12... O-O {was called for.} 13. Bd2 b6) 13. Rab1 b6 14. Rfe1 O-O 15. Bg3 (15. Qd2) 15... g6 $2 (15... Nh5 {keeps fighting.} 16. Bh4 Nf4) 16. e5 $18 Nd5 17. Bxg6 fxg6 (17... b5 $18 18. Bd3 Nce7) 18. Qxg6+ Kh8 19. Qxh6+ Kg8 20. Qg6+ Kh8 21. Ng5 {[%csl Gg5][%cal Rg6h7]} Rf7 22. Nxf7# {1-0 (22) Peglau,C (1918)-Kalyncukova,K (1625) Usti nad Labem 2024}) (7... a6 8. Bc4 Nbd7 9. e5 Nd5 10. Bxe7 Qxe7 11. Bd3 Nf4 12. O-O Nxd3 13. Qxd3 c6 14. Ne4 O-O 15. Rfe1 f5 16. Nd6 Nb6 17. Qd2 Rb8 18. Qa5 Ra8 19. b4 Nd5 20. Qc5 Qc7 21. a3 Nf4 22. Qc2 {Bogantes Robleto,K (1796)-Mendoza Novo,G (1865) Havana CUB 2024 ½-½}) 8. Bb5 Bd7 {[#]} 9. Ne5 $4 $146 {Blunder. O-O was best.} (9. a3 $18) (9. O-O a6 (9... O-O 10. Rc1 Be8 11. h3 a6 12. Ba4 Nb4 13. Bb3 Bb5 14. Nxb5 axb5) 10. Ba4 b5 11. Bc2 $18 {is more deadly.} (11. Bb3 b4 (11... O-O 12. Bc2 $16 (12. a3 b4 $1 $14 (12... Be8 13. Re1 b4 $16 (13... Na7 14. Qe2 Nd7 (14... c6 15. d5 cxd5 16. exd5 {1-0 (37) Marochkina,N (1687)-Gamba,M Chennai 2022} Rb8 {[%cal Rf6d5]} 17. dxe6 fxe6 18. Qxe6+ Bf7 19. Qxe7 Qxe7 20. Rxe7 Bxb3 21. Rxa7 Rb6 22. Re1 Rd6 23. h3 Nd7 24. Be7 Rg6 25. Bxf8 Nxf8 26. Ree7 h6 27. Nd4 Bc4 28. Nf5 Bd3 29. Rxg7+ Rxg7 30. Nxg7 Ng6 31. Ne6 {Threatening mate with Nd5.} Kh8 32. Ra8+ Kh7 33. Nd5 (33. Ra7+ Ne7 34. Rxe7+ Kg6 35. Nd5 h5 36. Nf8+ Kg5 37. f4+ Kh6 38. Nf6 h4 39. Ng8+ Kh5 40. Re5+ Bf5 41. Rxf5#) 33... h5 $18 34. Nf6+ Kh6 35. Ra7 {[%cal Rf6g8]} Nh4 36. Rg7 {[%cal Rf6g8]} Bf5 37. Ng8# {1-0 (37) Marochkina,N (1687)-Gamba,M Chennai 2022}))) 13. axb4 Nxb4)))) 9... Rb8 $4 {Blunder. Nxe5 was best.} (9... Nxe5 10. dxe5 Bxb5 11. Qxd8+ Bxd8 12. exf6 gxf6) 10. Bxf6 $6 {Inaccuracy. Nf3 was best.} (10. Nf3 O-O 11. O-O h6 12. Bf4 Bb4 13. Bd3 Ne7 14. Qb3 Ba5 15. h3 Ng6) 10... Bxf6 11. Nxd7 Qxd7 12. d5 (12. e5 $5 {[%cal Re5f6]} Bd8 13. Qg4 $14) 12... exd5 13. exd5 {[%cal Be4d5,Bd5c6][%mdl 32]} Bxc3+ 14. bxc3 Qe7+ 15. Kd2 $4 {Blunder. Qe2 was best. [#]} (15. Kf1 a6 16. Ba4) (15. Qe2 a6) 15... Qc5 $4 {[%mdl 8192] Blunder. O-O was best.} (15... Qg5+ 16. Kc2 O-O 17. Qf3 $15) (15... O-O 16. Bd3 (16. Qf3 Qc5 17. Be2 Rfd8 18. Rhd1 Rxd5+ 19. Ke1 Rf5 20. Qg3 Re8 21. Kf1) 16... Ne5) 16. Qe2+ $18 Kf8 17. dxc6 Rd8+ $6 {Inaccuracy. bxc6 was best.} (17... bxc6 18. Bd3 h5 19. Rab1 Re8 20. Qf3 Rd8 21. Kc2 Rh6 22. Rhe1 Rf6 23. Qe4) 18. Kc2 a6 $6 {Inaccuracy. Re8 was best.} (18... Re8 19. Qd3 Qxf2+ 20. Qd2 Qxd2+ 21. Kxd2 bxc6 22. Bxc6 Re6 23. Bf3 h5 24. h4) 19. Bc4 $6 {Inaccuracy. Rad1 was best.} (19. Rad1 Rb8 20. Bc4 bxc6 21. Rhe1 h5 22. Rd7 Qf5+ 23. Qd3 Qxd3+ 24. Kxd3 Kg8) 19... b5 $6 {Inaccuracy. Re8 was best.} (19... Re8 20. Qd3 Qxf2+ 21. Qd2 Qxd2+ 22. Kxd2 b5 23. Bb3 Ke7 24. Rhe1+ Kd6 25. Bxf7) 20. Rad1 {[%cal Rd1d8]} Re8 {[#]} 21. Qf3 $4 {Blunder. Qxe8+ was best.} (21. Qxe8+ Kxe8 22. Rhe1+ Qe7 23. Rxe7+ Kxe7 24. Rd7+ Kf6 25. Rxf7+ (25. Bd5 Ke5 26. f4+ Kxf4) 25... Ke5 26. Be2) 21... Qxc4 22. Rd7 $4 {[%mdl 8192] Blunder. Qd5 was best.} (22. Rhe1 {and White is okay.} Qxa2+ 23. Kc1 Rxe1 24. Rxe1) (22. Qd5 Re2+ 23. Kb1 Ke7 24. Rhe1 Qxd5 25. Rxe2+ Kd6 26. Rxd5+ Kxd5 27. Re7 Kxc6) 22... Qxa2+ $19 23. Kd3 {[%cal Bh1a1]} Qc4+ $6 {Inaccuracy. h5 was best.} (23... Qe6 24. Ra1 $17) (23... h5 24. Ra1 Qc4+ 25. Kc2 Rh6 26. Qd5 Qxd5 27. Rxd5 Rxc6 28. Rxh5 Re2+ 29. Kb3) 24. Kc2 Qe2+ $4 {Blunder. h5 was best.} (24... Qa2+ $19 25. Kd3 h5) (24... h5 25. Rhd1 Rh6 26. Qd5 Re2+ 27. Rd2 Qxd5 28. R7xd5 Rxd2+ 29. Kxd2 Rxc6 30. Rxh5) 25. Qxe2 $16 Rxe2+ {[#]} 26. Kd3 $6 {Inaccuracy. Kb3 was best.} (26. Kb3 Re7) 26... Re7 {aiming for ...Rxd7+.} 27. Rd8+ Re8 28. Rd7 Re6 $4 {[%mdl 8192] Blunder. Re7 was best.} (28... Re7 29. Rd5 g6 30. Ra1 Kg7 31. Rxa6 Rb8 32. Ra7 Rb6 33. Rc5 f6 34. Rb7) 29. Rd8+ $4 {Blunder. Rxc7 was best.} (29. Rxc7 g6 30. Kd4) 29... Re8 {Weighted Error Value: White=1.02/Black=1.26 PRECISÃO LICHESS: BRANCAS 71% PRETAS 70%} 1/2-1/2

