[Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.1"] [White "Laba, Otavio De Souza"] [Black "De Oliveira, Luis Felipe Garcia"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "1918"] [BlackElo "1874"] [Annotator "Stockfish 16,1"] [PlyCount "27"] [EventDate "2024.??.??"] {[%evp 21,26,0,0,0,0,0,59]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 {[%CAl Bd2d4,Bd4e5][%mdl 32]} Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 (10. Nc3 c6 11. a5 Be7 12. b4 Bf5 13. Ne2 O-O 14. c3 Qd7) 10... Qxd6 11. Qe4+ Qe6 {The position is equal.} 12. Qd4 {Nc3 is the strong threat.} Qd6 13. Qe4+ {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} (13. Re1+ Be6 14. Qe4 Qb4 15. Nc3 O-O-O 16. Bg5 Rd7 17. Qf3 a6 {[%CAl Oh7h6]} 18. Rad1 Bc5 {White must now prevent ...Bg4.} 19. Ne4 Bb6 {Strongly threatening ...Rxd1.} 20. b3 Rxd1 21. Rxd1 f5 22. Qd3 {[%CAl Od3d8] White wants to mate with Qd8+!} Kb8 23. Nd2 Re8 {PRECISÃO LICHESS: BRANCAS 99% PRETAS 95%}) (13. Qe3+ Be6 14. Nc3 a6 {Against Nb5} 15. Ne4 Qe5 (15... Qc6 {[%CAl Oe8c8] Threatening ...0-0-0!} 16. Ng5 Bc5 17. Qc3 {[%CAl Og5e6]} Bd5 {[%CAl Oe8c8] aiming for ...0-0-0!} 18. Re1+ Kf8 19. Qd3 f6 20. c4 Bf7) 16. Re1 Bb4 17. Bd2 Bxd2 18. Qxd2 O-O 19. Ng5 Qxb2 20. Nxe6 (20. Qd3 $5 g6 $8 21. Rab1 $11) 20... fxe6) 13... Qe7 {1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 99% PRETAS 95%. Not much happened in this game. Weighted Error Value: White=0.00 (flawless) /Black=0.00 (flawless) . Inaccurate: --- Black=1 OK: --- Black=1 Predecessor:} 14. Qe2 $146 ({RR} 14. Qf3 Qf6 15. Re1+ Be7 16. Qg3 O-O 17. Bf4 Be6 18. Bxc7 Rac8 19. Be5 Qg5 20. Qxg5 Bxg5 21. c3 Rfd8 22. Bd4 a6 23. g3 Be7 24. Nd2 h5 25. f4 Rxd4 26. cxd4 Bb4 27. f5 Bd5 28. Re5 Rd8 {McClymont,B (2042)-Abrahams,D (2000) Gold Coast 2011 1-0 (40)}) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.2"] [White "Dias, Matheus Braga"] [Black "Souza, Iago Henrique da Si"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "1953"] [BlackElo "2036"] [Annotator "Stockfish 16,1"] [PlyCount "25"] [EventDate "2024.??.??"] {[%evp 20,25,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 {[%CAl Bd2d4,Bd4e5][%mdl 32]} Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 (10. Nc3 c6 11. a5 Be7 12. b4 Bf5 13. Ne2 O-O 14. c3 Qd7) 10... Qxd6 11. Qe4+ {The position is equal.} Qe6 12. Qd4 Qd6 13. Qe4+ $146 {PRECISÃO LICHESS: BRANCAS 99% PRETAS 95%. A rather calm draw. Weighted Error Value: White=0.00 (flawless) /Black=0.00 (flawless) . OK: White=2 Black=1 . C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} (13. Qe3+ Be6 14. Nc3 a6 {Prevents Nb5} 15. Rd1 Qc6 16. Qg3 {[%CAl Oc3b5]} Bd6 17. Bf4 Bxf4 18. Qxf4 O-O 19. a5 Rfd8 20. Qe4 Qxe4 21. Nxe4) (13. Re1+ Be6 14. Qh4 Be7 15. Bg5 Qb4 {Inhibits Nc3.} 16. Qxb4 Bxb4 17. c3 Bd6 18. Nd2 h6 19. Be3 b6 20. Ne4 Be7 21. a5) ({Predecessor:} 13. Qe3+ Be7 14. Nc3 c6 15. Re1 Be6 16. Ne4 Qc7 17. Nc5 Bxc5 18. Qxc5 Qe7 19. Qe5 O-O 20. Ra3 Rfe8 {1-0 Grandelius,N (2664)-Navara,D (2678) Chess.com Play In Match Div 3 Chess.com INT rapid 2024 (1.2)}) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.3"] [White "Santos Filho, Tadeu Sousa"] [Black "Manzi, Luiz Antonio Bardar"] [Result "1-0"] [ECO "B02"] [WhiteElo "1992"] [BlackElo "1980"] [Annotator "Stockfish 16,1"] [PlyCount "72"] [EventDate "2024.??.??"] {[%evp 9,72,37,37,16,20,9,15,20,90,77,114,106,111,106,108,106,121,116,113,110,134,124,121,128,304,46,54,66,64,38,128,126,153,142,296,296,458,205,458,457,523,491,617,617,603,491,556,535,29995,613,29993,29994,29997,-402,29997,-317,-36,-561,0,-527,-518,-550,-527,-557,-551]} 1. e4 {[%CAl Be2e4,Be4e5][%mdl 32]} Nf6 2. Nc3 {[%CAl Bb1c3,Bc3e2,Be2g3][%mdl 32]} d5 3. e5 d4 4. Nce2 Ng4 5. f4 c5 6. Ng3 {[%CAl Oe5e6] B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} Nc6 {[%CAl Og7g5]} 7. Bc4 {[%CAl Oe5e6]} Nh6 8. Nf3 {The position is equal.} Bg4 $6 {Inaccuracy. e6 was best.} (8... e6) 9. h3 Bxf3 10. Qxf3 e6 11. d3 $146 ({Predecessor:} 11. Nh5 Qd7 12. O-O Rg8 13. Bd3 Nf5 14. g4 Nh4 15. Qe2 Ng6 16. a3 O-O-O 17. Rb1 {0-1 Miellet Bensan,Y (2079)-Ostertag,H (1918) Arber op 1st Bayerisch Eisenstein 2012 (8)}) ({RR} 11. O-O g6 12. Ne4 Be7 13. g4 Qc7 14. d3 O-O-O 15. a3 Ng8 16. Bd2 g5 17. b4 h5 18. b5 hxg4 19. hxg4 Nxe5 20. fxe5 Qxe5 21. Rf2 Nh6 22. b6 axb6 23. Re1 Qc7 24. Rg2 Rdg8 25. c3 Rg6 {Mitkov,N (2370)-Ermeni,A (2230) Kladovo 1991 1-0 (39)}) ({RR} 11. O-O Be7 12. f5 O-O 13. Qe4 Bh4 14. fxe6 Bxg3 15. exf7+ Kh8 16. e6 Qh4 17. Qxh4 Bxh4 18. d3 Be7 19. g4 g5 20. Bd2 Ne5 21. Bb3 Ng6 22. c3 Kg7 23. Rae1 Bf6 24. Re4 Rfd8 25. cxd4 Bxd4+ {Organdziev,O (2330)-Petrov,S (2110) Struga 2002 1-0 (32)}) ({RR} 11. Nh5 Qd7 12. O-O Rg8 13. Bd3 Nf5 14. g4 Nh4 15. Qe2 Ng6 16. a3 O-O-O 17. Rb1 h6 18. Be4 Nge7 19. b4 Nd5 20. bxc5 Bxc5 21. Qc4 Bb6 22. Kh1 Kb8 23. a4 Na5 24. Qa2 Qc7 25. Rf3 Qc4 {Miellet Bensan,Y (2079)-Ostertag,H (1918) Bayerisch Eisenstein 2012 0-1 (48)}) 11... Be7 12. O-O O-O 13. a3 Rb8 14. Ba2 {White is more active.} Qd7 15. Bd2 b5 16. Rae1 Bh4 $2 {Mistake. c4 was best.} (16... c4) (16... c4 $16 {was worth a try.}) 17. Re2 $4 {Blunder. f5 was best.} (17. f5 $1 Kh8 18. Bxh6 gxh6 19. fxe6 fxe6 20. Qxf8+ Rxf8 21. Rxf8+ Kg7 22. Rf3 Qe8 {Repels Nh5+}) (17. f5 $1 $18) 17... Bxg3 $14 18. Qxg3 {[%CAl Of4f5]} Nf5 19. Qf2 {Threatens to win with g4.} g6 $6 {Inaccuracy. b4 was best.} (19... b4 20. Qf3) ({Black should play} 19... b4 $14) 20. g4 $16 Ng7 21. Qh4 {[%CAl Of4f5]} Qd8 $2 {Mistake. c4 was best.} (21... c4) (21... c4 $16) 22. Qh6 $18 Ne7 $2 {Mistake. f6 was best.} (22... f6 23. exf6 Rxf6 24. Be1 Rf7 25. Rxe6 Nxe6 26. Bxe6 Qf8 27. Bxf7+ Qxf7 28. Qg5) (22... f6 {might work better.} 23. exf6 Rxf6) 23. Be1 $4 {Blunder. f5 was best.} (23. f5) (23. f5 $142) 23... Nd5 $4 {Blunder. Kh8 was best.} (23... Kh8 24. Bh4 Ng8 {Dodges Bf6} 25. Bxd8 Nxh6 26. Be7 Rfc8 27. b4 cxb4 28. axb4 Ng8 29. Bc5) (23... Ngf5 $142 24. gxf5 Nxf5) 24. Bh4 Qd7 25. Bxd5 {[%mdl 64] Remove Defender} (25. Bf6 Nxf6 26. exf6 Ne8 $18) 25... Qxd5 {Black is weak on the dark squares} 26. Bf6 Ne8 27. g5 c4 28. Rg2 (28. Be7 Ng7 29. f5 exf5 $11 (29... Nxf5 $2 30. Rxf5 f6 31. exf6 $18 {[%csl Od5,Oe6][%mdl 64] Discovered Attack})) 28... cxd3 29. cxd3 (29. Rg4 $142 Qh1+ 30. Kxh1 Rc8 31. Rh4 (31. cxd3 Rc6) 31... Nxf6 32. gxf6 dxc2 33. Qxh7#) 29... Rc8 $4 {Checkmate is now unavoidable. Qxg2+ was best.} (29... Qxg2+ 30. Kxg2 Rc8 31. f5 exf5 32. Be7 {[%csl Ge7][%CAl Rh6f8]} Ng7 33. Bxf8 Rxf8 34. Rc1 f4 35. Qh4) 30. Rg4 (30. Be7 Ng7 31. f5 (31. Bxf8 $2 Nf5 $19) 31... Qxe5 (31... Nxf5 $2 32. Rxf5 f6 33. exf6 $18) 32. fxg6 fxg6 33. Bxf8 (33. Rxf8+ $2 Rxf8 34. Bxf8 Nf5 $19) 33... Nf5 34. Rxf5 exf5 $17) 30... Rc2 31. Qh4 $4 {Lost forced checkmate sequence. Qxh7+ was best.} (31. Qxh7+ Kxh7 32. Rh4+ Kg8 33. Rh8#) (31. Qxh7+ {is the narrow road to win.} Kxh7 32. Rh4+ Kg8 33. Rh8#) 31... Qc5 $4 {Checkmate is now unavoidable. Ng7 was best.} (31... Ng7 $1 32. Bxg7 Kxg7 33. Qe1 Rxb2 34. Qe4 Qxe4 35. dxe4 Rd8 36. Rg2 Rb3 37. f5) ({Worse is} 31... Rxb2 32. Qxh7+ (32. Be7 Ng7 $17) 32... Kxh7 33. Rh4+ Kg8 34. Rh8#) (31... Nxf6 $2 32. gxf6 h5 33. Qxh5 $18) (31... Ng7 $19 32. Bxg7 Kxg7) 32. Qe1 $4 {Lost forced checkmate sequence. Qxh7+ was best.} (32. Qxh7+ Kxh7 33. Rh4+ Kg8 34. Rh8#) (32. Qxh7+ {mates} Kxh7 33. Rh4+ Kg8 34. Rh8#) 32... Qd5 $4 {Blunder. Rxb2 was best.} (32... Rxb2 {[%CAl Oe8g7]} 33. Qc1 Rc2 34. Qb1 Ng7 35. Be7 Qc6 36. Bxf8 {[#]} Nf5 $1 {[%CAl Of5e3] ...Ne3! would now be deadly.} 37. Qd1 Ne3 38. Qf3) (32... Rxb2 $19 {[%CAl Oe8g7] ...Ng7! is the strong threat.} 33. Qh4 Nxf6 (33... Qxa3 34. Qxh7+ {[%mdl 64] Decoy, Back Rank, Clearance} Kxh7 35. Rh4+ Kg8 36. Rh8#) 34. gxf6 Rd8 (34... Qxa3 35. Qh6) (34... Qc2 $2 35. Qf2 $19)) 33. Bg7 $4 {[#] Blunder. Be7 was best.} Rc5 $4 {Blunder. Nxg7 was best.} 34. Qf2 $4 {Blunder. Bxf8 was best.} Nxg7 $19 {Black is clearly winning.} 35. Qe1 Qd8 36. Qh4 Qd7 {[%mdl 32768] 1-0 White wins. PRECISÃO LICHESS: BRANCAS 46% PRETAS 52%. Never resign too early! An exciting game. Weighted Error Value: White=0.92/Black=1.27. Loses game: White=1 Black=1 Missed win: White=1 Black=2 Mistake: White=2 Black=4 Inaccurate: White=1 Black=4 OK: White=10 Black=8 Best: White=1 Black=1 . Loss on time!?} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "lichess.org"] [Date "2024.08.11"] [Round "6.4"] [White "Ramos, Angelo Bil"] [Black "Chaves, Jorge Antonio Torre"] [Result "0-1"] [ECO "A52"] [WhiteElo "2149"] [BlackElo "1985"] [Annotator "Stockfish 16,1"] [PlyCount "40"] [EventDate "2024.??.??"] {[%evp 9,40,56,126,-1,-3,0,162,57,85,53,58,-26,0,-64,-72,-83,-69,-124,-123,-180,-108,-161,-138,-136,-109,-105,-30,-23,-27,-74,-17,-67,-42]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Nc3 Bb4 6. e3 $6 {Inaccuracy. Bg5 was best. A52: Budapest Gambit.} (6. Bg5 f6 7. exf6 Bxc3+ 8. bxc3 Nxf6 9. g3 h6 10. Bf4 O-O) (6. Bg5 $16 f6 7. exf6 Nxf6 8. Bd2) ({RR} 6. Bd2 Bc5 7. e3 Ngxe5 8. Be2 O-O 9. O-O d6 10. Nd5 a5 11. Bc3 Nxf3+ 12. Bxf3 Bf5 13. b3 Rb8 14. Qd2 b6 15. Nf6+ gxf6 16. Bxc6 Bb4 17. Bxb4 axb4 18. Qxb4 Kh8 19. a4 Rg8 20. Qc3 Qe7 {Salemgareev,T (2453)-Gabdushev,R (2256) chess.com INT 2024 1-0 (33)}) 6... Bxc3+ $146 ({RR} 6... Ngxe5 7. Be2 O-O 8. O-O d6 9. Nd5 Bc5 10. a3 a5 11. Qc2 Re8 12. b3 Nxf3+ 13. Bxf3 Ne5 14. Be2 c6 15. Nc3 Bb6 16. Rd1 Qe7 17. Bb2 Bc7 18. Na4 Be6 19. Rac1 Ng6 20. Qc3 f6 21. g3 {Grasser,P (1909)-Illner,G (2023) Velden 2009 0-1}) ({RR} 6... Ngxe5 7. Nxe5 Nxe5 8. Be2 O-O 9. O-O Bxc3 10. bxc3 d6 11. f4 Nc6 12. Bd3 f5 13. e4 fxe4 14. Bxe4 Bf5 15. Bd5+ Kh8 16. Be3 Qf6 17. Bd4 Qg6 18. Qb3 Nxd4 19. cxd4 Be4 20. Qg3 Qxg3 21. hxg3 {Makris,S (1935)-Erarslan,O (1169) Tornelo INT 2021 1-0}) ({RR} 6... Ngxe5 7. Be2 Bxc3+ 8. bxc3 O-O 9. O-O d6 10. Ba3 {½-½ (10) Keresztes,Z (2009)-Bor,F (1875) Hungary 2016}) 7. bxc3 f6 $146 {Mistake. Ngxe5 was best.} (7... Ngxe5 8. Nxe5 Nxe5 9. Qd4 d6 10. c5 O-O 11. cxd6 Qxd6 12. Qxd6 cxd6 13. Ba3) (7... Ngxe5 $11 {and Black has nothing to worry.} 8. Nxe5 Nxe5) ({Predecessor:} 7... Ngxe5 8. c5 O-O 9. Be2 Qf6 10. Bb2 b6 11. cxb6 axb6 12. O-O Ra5 13. Nd4 Ng6 14. c4 Nxd4 15. Bxd4 Qd8 16. Bc3 Ra7 17. Qd4 f6 18. c5 Ba6 19. Bxa6 Rxa6 20. Qc4+ {1-0 Karimi,F (2096)-Jordake,M (1802) Heusenstamm Sparkassen op-A 3rd 2016 (7)}) 8. Be2 $6 {Inaccuracy. exf6 was best.} (8. exf6 Qxf6 {[%CAl Ob7b6]} 9. Be2 d6 10. O-O O-O 11. h3 Nge5 12. Nd4 Na5 13. Nb3 Nxb3) ({Better is} 8. exf6 $18 Qxf6 9. Be2) 8... fxe5 9. h3 Nf6 10. O-O $6 {Inaccuracy. Ba3 was best.} (10. Ba3) (10. Ba3 $14) 10... b6 11. Ba3 $6 {Inaccuracy. Qa4 was best. Inhibits Qe7.} (11. Qa4 Ne4) 11... d6 $1 12. Qc2 {[%CAl Oc4c5]} O-O 13. Rad1 {[%CAl Oc4c5]} Qe7 14. Rfe1 Na5 $6 {Inaccuracy. e4 was best.} (14... e4 15. Nd2 Bd7 16. Bb2 Rab8 17. c5 bxc5 18. Ba1 Qe8 19. Rb1 Rb6 20. Kh2) 15. Bc1 $6 {Inaccuracy. c5 was best.} (15. c5 bxc5) 15... Nb7 16. Nd2 Nc5 17. Ba3 Be6 $6 {Inaccuracy. e4 was best.} (17... e4 18. f4 exf3 19. Bxf3 {[%CAl Oa3c5] Bxc5! is the strong threat.} Rb8 20. Bxc5 bxc5 21. Qd3 g6 22. Bc6 Rb6 23. Bd5+) 18. Bxc5 bxc5 19. Ne4 Rab8 20. Ng3 $6 {Inaccuracy. Rb1 was best.} (20. Rb1 Rb6) 20... Rb6 {Ilegível. PRECISÃO LICHESS: BRANCAS 87% PRETAS 88%. Weighted Error Value: White=0.53/Black=0.38. Loses game: --- Black=1 Mistake: White=2 --- Inaccurate: White=7 Black=5 OK: White=3 Black=2 Best: --- Black=1 Strong: --- Black=1} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.5"] [White "Meyer, Adam"] [Black "Fucs, Paulo Moses"] [Result "0-1"] [ECO "D78"] [BlackElo "1917"] [Annotator "Stockfish 16,1"] [PlyCount "103"] [EventDate "2024.??.??"] {[%evp 15,103,60,61,72,105,81,90,88,125,69,89,85,82,71,72,-187,1,-17,57,63,202,204,196,128,124,125,138,-47,-51,-48,-44,-75,-65,-163,-146,-205,-141,-156,-141,-151,-116,-196,-186,-206,-186,-189,-186,-244,-182,-185,-221,-221,-223,-226,-211,-218,-221,-314,-214,-212,-168,-203,-185,-201,-201,-190,-178,-194,-167,-181,-155,-348,-351,-338,-301,-312,-257,-333,-303,-370,-364,-366,-270,-376,-299,-29994,-29992,-29994,-29992,-29993]} 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 Na6 {[%CAl Bb8a6,Ba6c7,Bc7e6][%mdl 32]} ({RR} 7... a6 8. a4 Nbd7 9. cxd5 Nxd5 10. Nxd5 cxd5 11. a5 b6 12. Bd2 Bb7 13. Qb3 b5 14. Bb4 Re8 15. Rfd1 Rc8 16. Ne5 Nxe5 17. dxe5 e6 18. Bd6 Rc4 19. e3 Qa8 20. Rd4 Rec8 21. Bf1 Rc1 22. Rxc1 {Vaulin,A (2516)-Ginzburg,Y (2298) chessassistantclub.com INT 2004 1-0 (37)}) 8. cxd5 cxd5 9. Bf4 {D78: Fianchetto Grünfeld: 6 0-0 c6.} ({RR} 9. Ne5 Nc7 10. Qb3 Nd7 11. Bf4 Ne6 12. Bxd5 Nxd4 13. Bxf7+ Kh8 14. Qd5 Nxe5 15. Bxe5 e6 16. Qxd8 Rxd8 17. Bxd4 Bxd4 18. Rad1 Kg7 19. e3 Bf6 20. Rxd8 Bxd8 21. Rd1 Bf6 22. Be8 Kf8 23. Bd7 Ke7 {Ornolfsson,M (2163)-Rathbone-Jones,I (1966) Reykjavik ISL 2024 ½-½ (87)}) 9... Nc7 $146 ({RR} 9... Nh5 10. Be3 Bf5 11. h3 Be6 12. Ng5 Nc7 13. Nxe6 fxe6 14. Qd2 Qd6 15. Rac1 b5 16. a3 Rad8 17. Bf3 Rxf3 18. exf3 Rf8 19. Kg2 e5 20. dxe5 Bxe5 21. f4 Bg7 22. Rfd1 Rd8 23. Ne4 Qd7 24. Nc5 {Manzone,A (2307)-Encizo,T (2005) Puerto Tirol 2004 1-0 (44)}) ({RR} 9... Nh5 10. Be3 e6 11. Rc1 Bd7 12. Qb3 Qb6 13. Qxb6 axb6 14. a3 Rfc8 15. h3 b5 16. Na2 Bf8 17. Ne5 Be8 18. Bd2 Nf6 19. Nd3 Ne4 20. Rxc8 Rxc8 21. Rc1 Rc6 22. Be1 Bd6 23. e3 h5 24. Bf1 {Dubinskas,K (2052)-Rutkauskas,G (1954) Lithuania 2011 ½-½ (63)}) ({RR} 9... Nh5 10. Be3 Nf6 11. Qb3 b6 12. Rac1 Bb7 13. Nb5 e6 14. Rc2 Qe7 15. a3 Rfc8 16. Rfc1 Rxc2 17. Rxc2 Ne8 18. Bf4 Bc8 19. Ne5 Bxe5 20. dxe5 Nc5 21. Qe3 Ba6 22. Nd4 Bb7 23. b4 Na6 24. h4 {Taksrud,V (2057)-Birkestrand,O (1862) Kaunas 2012 1-0 (39)}) 10. Rc1 Ne6 11. Be5 {White is better.} b6 $146 ({Predecessor:} 11... Ne4 12. Bxg7 Nxg7 13. Re1 Nxc3 14. Rxc3 b6 15. Ne5 Bb7 16. Qc1 Rc8 17. Qd2 Rxc3 18. Qxc3 {1-0 Videira,A (1536)-Marcelino,J (1407) POR-ch Seniors Fatima 2013 (4.11)}) 12. Nb5 Ne8 13. Bxg7 Kxg7 14. Ne5 Bb7 15. Nc6 $4 {Blunder. e3 was best.} (15. e3 Nd6) (15. e3 $16 {and life is bright.}) 15... Qd7 $4 {Blunder. Bxc6 was best.} (15... Bxc6 16. Rxc6 Qd7 $1 17. Rxe6 Qxe6 18. Qb3 Qxe2 {...e6 would now be deadly.} 19. Nc3 Qg4 20. Nxd5 Rd8 21. Nxe7) (15... Bxc6 $19 16. Rxc6 Qd7 17. Rxe6 fxe6) 16. Ncxa7 Nd6 $6 {Inaccuracy. Ba6 was best.} (16... Ba6 17. a4) 17. a4 Nc4 $6 {Inaccuracy. Nxb5 was best.} (17... Nxb5 18. Nxb5) (17... Nxb5 $14 18. Nxb5 Bc6) 18. b3 $18 Na5 19. e3 Ba6 20. Re1 Rfd8 21. Qc2 $4 {Blunder. b4 was best.} (21. b4 Nc4 {[#]} 22. e4 $1 dxe4 23. d5 Rxa7 24. Nxa7 Qxa7 25. Rxe4 {[%CAl Ob4b5] Strongly threatening b5!} b5 {Threatens to win with ...Bb7.} 26. axb5 Bxb5) ({White should try} 21. b4 $16 Nc4 22. e4 dxe4 23. d5 (23. Rxc4 Rxa7 {[%mdl 64] Pin} 24. Rxe4 Bxb5 $15) 23... Rxa7 24. Nxa7 Qxa7 25. Rxe4) 21... Rxa7 $15 22. Nxa7 Qxa7 23. b4 Nc4 24. Qa2 $6 {Inaccuracy. e4 was best.} (24. e4) ({Better is} 24. e4 $15 Nxd4 25. Qc3) 24... Bb7 25. Re2 $6 {Inaccuracy. Qa1 was best.} (25. Qa1 {[%CAl Oc1c4]} Kf8) 25... Qa8 $6 {Inaccuracy. Ra8 was best.} (25... Ra8 26. a5 b5 27. Qa1 Ng5 28. Rd1 Rd8 29. Ra2 Qa6 30. g4 Ne6 31. h4) 26. Rec2 f5 27. h4 Nf8 {Black is more active.} 28. a5 $6 {[#] Inaccuracy. Bf1 was best.} b5 $1 ({Don't play} 28... bxa5 29. bxa5 Ne6 (29... Qxa5 30. Qxa5 Nxa5 31. Rb2 $11) (29... Nxa5 30. Rc7 $16) 30. Rb1 $15) 29. Rc3 Nd7 30. Qe2 Nf6 31. f3 h5 32. Qd3 Qb8 33. Kf2 Qd6 34. Rb3 Kh7 35. Ra1 Rg8 36. Bh3 (36. Rbb1 $142) 36... e6 $6 {Inaccuracy. Bc8 was best.} (36... Bc8 {[%CAl Of6e4] ...Ne4+! is the strong threat.} 37. Qe2 f4 38. Bxc8 fxg3+ 39. Kg2 Rxc8 40. Qe1 Qe6 {[%CAl Of6e4]} 41. Ra2 Ne8 {aiming for ...Ng7.} 42. Re2) 37. Rg1 Bc8 38. Rbb1 Re8 39. Rge1 Rf8 {[%CAl Of6e4]} 40. Kg2 Kh6 41. Kh2 Rf7 42. Bg2 Rg7 43. e4 $2 {Mistake. Rh1 was best.} (43. Rh1 Bb7) (43. f4 $17 {might work better.}) 43... dxe4 $19 44. fxe4 Ng4+ {A dynamic duo of knights.} 45. Kg1 Bb7 46. e5 Qc7 47. Rbc1 Bxg2 48. Kxg2 Re7 $6 {Inaccuracy. Qb7+ was best.} (48... Qb7+ 49. Kg1 Qh1+ 50. Kxh1 Nf2+ 51. Kh2 Nxd3 52. Rb1 Nxe1 53. Rxe1 Rd7 54. Ra1) 49. Rcd1 Rd7 $6 {Inaccuracy. Kh7 was best.} (49... Kh7 50. Re2 Rd7 51. Rf1 Qc6+ 52. Kh3 Ncxe5 53. Qa3 Rxd4 54. Rc1 (54. Qc1 $142 Nc4 55. Qg5) 54... Qd6 {[%CAl Od4d3]} 55. a6) ({But not} 49... Qb7+ 50. Kg1 $19) 50. Qe3+ $4 {Checkmate is now unavoidable. Qf3 was best.} (50. Qf3 Kg7 {[%CAl Oc4e3] And now ...Nce3+! would win.} 51. Kh3 Qb7 52. Qxb7 Rxb7 53. Re2 Nge3 54. Rd3 Nd5 55. Rb3 Ne7) (50. Qf3 $19) 50... Ngxe3+ $6 {Lost forced checkmate sequence. Ncxe3+ was best.} (50... Ncxe3+ 51. Rxe3 Qc2+ 52. Rd2 Qxd2+ 53. Re2 Qxe2+ 54. Kg1 Qf2+ 55. Kh1 Qh2#) 51. Rxe3 $6 {Checkmate is now unavoidable. Kh2 was best.} (51. Kh2 Nxd1 52. Re2 Rxd4 53. Rg2 Qxe5 54. Kh3 Qe1 55. g4 fxg4+ 56. Rxg4) 51... Qc6+ 52. Rf3 {0-1 Black wins. PRECISÃO LICHESS: BRANCAS 86% PRETAS 90%. Weighted Error Value: White=0.53/Black=0.32. Loses game: White=2 --- Missed win: --- Black=1 Mistake: White=4 Black=1 Inaccurate: White=7 Black=5 OK: White=9 Black=14 Best: White=1 Black=1 Strong: --- Black=1} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.6"] [White "Bruno, Leonardo do Nascime"] [Black "Fillipe, Fernandes Rodrigues"] [Result "1/2-1/2"] [ECO "C00"] [WhiteElo "2017"] [BlackElo "2060"] [Annotator "Stockfish 16,1"] [PlyCount "36"] [EventDate "2024.??.??"] {[%evp 9,36,-39,-34,-39,-23,-26,-28,-29,51,50,50,47,46,-44,-36,-107,-116,-119,14,-57,61,-46,84,29,166,32,239,16,256]} 1. e4 {ChessBase II} e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Be2 Nf6 6. O-O {C00: French: Unusual White 2nd moves.} Be7 7. Re1 O-O ({RR} 7... b6 8. Bf1 Bb7 9. h3 O-O 10. exd5 Nxd5 11. Nb3 Bf6 12. c3 a5 13. a4 Nde7 14. Bf4 Qd7 15. d4 cxd4 16. Nbxd4 Nxd4 17. Nxd4 Bxd4 18. cxd4 Rfd8 19. Rc1 Rac8 20. Qb3 Nd5 21. Bg5 Rxc1 22. Rxc1 {Hansen,E (2606)-Sjugirov,S (2663) Lichess.org INT 2021 0-1 (38)}) 8. Bf1 {Black has an edge.} e5 $146 {Inaccuracy. b5 was best.} (8... b5 9. e5 Nd7 10. d4 Qb6 11. dxc5 Bxc5 12. Qe2 {[%CAl Od2b3]} a5 {aiming for ...a4.} 13. Nb3 {[%CAl Ob3c5]} Ba6 14. Nxc5) ({RR} 8... b5 9. a4 b4 10. e5 Nd7 11. Nb3 a5 12. Bf4 Ba6 13. Nbd2 Kh8 14. h3 Re8 15. d4 Bxf1 16. Kxf1 cxd4 17. Nb3 Qb6 18. Nbxd4 Nxd4 19. Nxd4 Rac8 20. Qd3 Rc4 21. c3 Nc5 22. Qf3 bxc3 23. bxc3 {Roa Alonso,S (2359)-Vila Dupla,S Madrid 2000 0-1 (35)}) ({RR} 8... b6 9. b3 Bb7 10. Bb2 dxe4 11. dxe4 Nd4 12. e5 Nxf3+ 13. Nxf3 Qxd1 14. Raxd1 Nd5 15. a3 Rad8 16. Nd2 a6 17. g3 b5 18. Ne4 Ba8 19. c4 Nc7 20. Nd6 Bxd6 21. exd6 Ne8 22. d7 Nf6 23. cxb5 {Henriquez Villagra,C (2618)-Ginzburg,Y (2405) chess.com INT 2023 1-0 (58)}) ({RR} 8... Qc7 9. c3 b6 10. a3 a5 11. a4 Rd8 12. Qc2 Ba6 13. exd5 exd5 14. Nb1 Bc8 15. Bg5 Bg4 16. Nbd2 Kh8 17. Bh4 Bh5 18. Bg3 Bd6 19. Qb3 Bxg3 20. hxg3 Ng8 21. d4 c4 22. Qa2 f6 23. b3 {Seret,J (2420)-Renet,O (2530) Strasbourg 1992 EXT 1997 [ChessBase II] ½-½ (60)}) ({RR} 8... Qc7 9. c3 e5 10. Qe2 d4 11. Nb3 Be6 12. Bg5 Ne8 13. Rec1 f6 14. Bd2 Bxb3 15. axb3 Na5 16. Qd1 Qb6 17. Rxa5 Qxa5 18. cxd4 Qb6 19. dxe5 Nc7 20. Be3 Rad8 21. Qc2 Ne6 22. Qc4 Kh8 23. b4 {Kasparian,G-Sakharov,Y Tbilisi 1956 1-0 (37)}) 9. exd5 Qxd5 10. Nc4 $146 ({Predecessor:} 10. g3 Bg4 11. Bg2 Qd7 12. Nc4 Bd6 13. c3 Bc7 14. Bg5 Nd5 15. Ne3 Nxe3 16. Bxe3 {0-1 Jansson,B (2230)-Ekelund,K (1939) SWE-ch Seniors 65 Uppsala 2022 (1)}) 10... Bg4 11. h3 $6 {Inaccuracy. Be2 was best.} (11. Be2 {[%CAl Oc4e5]} Bf5 12. c3 Rad8 {[%CAl Of5c8]} 13. Bf1 {[%CAl Rc4e5]} Bg4 14. h3 Bxf3 15. Qxf3 Qxf3 16. gxf3 Bd6) (11. Be2 $14) 11... Bxf3 $15 12. Qxf3 {Inaccuracy. gxf3 was best.} (12. gxf3 b5 (12... Nh5 $5) 13. Na3 Rad8 14. f4 exf4 15. Bxf4 Qf5 16. Bg3 Nh5 17. Bg2 Nxg3) 12... Qxf3 13. gxf3 {[%CAl Oc2c3]} Nd7 $2 {Mistake. Nd4 was best.} (13... Nd4 14. Rd1 Nxc2 15. Rb1 Rfe8 16. Nxe5 Nd5 17. f4 {[%CAl Od3d4]} Bf6 18. Bg2 Rad8 19. Bd2) ({Black should try} 13... Nd4 $17 14. Kg2 e4 (14... Nxc2 15. Rxe5 Nxa1 16. Rxe7 $17)) 14. f4 {Inaccuracy. c3 was best.} (14. c3) 14... f6 $2 {Mistake. Nd4 was best.} (14... Nd4 15. Nxe5 Rad8 16. Rd1 Nxc2 17. Rb1 Nxe5 18. fxe5 b6 19. Bf4 Nd4 20. Be3) (14... Nd4 $15 15. Nxe5 Bd6 (15... Nxc2 16. Nxd7 Nxe1 17. Nxf8 $15)) 15. fxe5 $6 {Inaccuracy. Bg2 was best.} (15. Bg2 Nd4) (15. Bg2 $14) 15... fxe5 $2 {Mistake. Nd4 was best.} (15... Nd4) (15... Nd4 $15 {stays ahead.} 16. Re4 fxe5 (16... Nxc2 17. e6 $15)) 16. Bg2 $6 {Inaccuracy. c3 was best. Bd5+ is the strong threat.} (16. c3) 16... Bf6 $2 {Mistake. Nd4 was best.} (16... Nd4 17. Bxb7) (16... Nd4 $11 {and Black is okay.}) 17. Nd6 $2 {Mistake. Be3 was best.} (17. Be3 Nd4 18. Bxd4 exd4 19. Nd6 Kh8 20. Re6 Bh4 21. Rf1 Rf4 22. Nxb7 Raf8) (17. Bd5+ $18 Kh8 18. Bxc6 bxc6 19. Re4) 17... Nb4 $4 {Blunder. Nd4 was best.} (17... Nd4 $1) ({Better is} 17... Nd4 $1 $14) 18. Be3 $4 {Blunder. Re2 was best.} (18. Re2 Nc6 19. c3 {Prevents Nd4} Nd8 20. Nxb7 Nxb7 21. Bxb7 Rad8 22. c4 Be7 23. b3 Rf6) ({Weaker is} 18. Bxb7 Nxc2 19. Bd5+ Kh8 20. Bxa8 Nxe1 $11) (18. Re2 $18) 18... Rab8 $4 {[%mdl 32768] Blunder. Nxc2 was best. 1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 75% PRETAS69%. Weighted Error Value: White=0.76/Black=0.89. Loses game: --- Black=2 Missed win: White=1 --- Mistake: White=3 Black=4 Inaccurate: White=3 Black=1 OK: White=2 Black=2 Best: White=1 Black=1 . An unexpected result.} (18... Nxc2) (18... Nxc2 $11 19. Bxb7 Rab8) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.7"] [White "Carlos, Frederico Barroso D"] [Black "Pessoa, Vitor Henrique Leop"] [Result "0-1"] [ECO "E76"] [WhiteElo "1771"] [BlackElo "1787"] [Annotator "Stockfish 16,1"] [PlyCount "38"] [EventDate "2024.??.??"] {[%evp 13,38,11,82,88,133,131,174,133,136,131,142,106,106,75,95,75,75,62,174,158,187,176,272,208,390,280,294]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e5 8. fxe5 {E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} dxe5 {Inaccuracy. Ng4 was best.} (8... Ng4) ({RR} 8... Ng4 9. Bg5 Qb6 10. Qb3 dxe5 11. h3 Nf6 12. g4 Qd6 13. Be2 a6 14. Nd2 Nbd7 15. O-O-O Ne8 16. h4 h6 17. Be3 Qc7 18. Kb1 Nd6 19. a4 Re8 20. g5 h5 21. Rc1 b6 22. Rhf1 Nf8 23. Qa3 {Molina,R (2458)-Supi,L (2546) Florianopolis 2019 ½-½ (55)}) ({RR} 8... Ng4 9. Bf4 Nxe5 10. Nxe5 Bxe5 11. Bxe5 dxe5 12. Qf3 a6 13. a4 Qd6 14. Bd3 Kg7 15. O-O Nd7 16. a5 Nf6 17. Na4 Bd7 18. Nb6 Rad8 19. Be2 Bg4 20. Qxf6+ Qxf6 21. Rxf6 Bxe2 22. Rf2 Bg4 23. h3 {Hua,L (2305)-Waldhausen Gordon,F (2358) chess.com INT 2024 ½-½ (48)}) 9. Be2 (9. Nxe5 Re8 10. Nf3 (10. Bf4 $2 Nxe4 11. Nxe4 Bxe5 $19) 10... Nxe4 11. Nxe4 f5 $17 (11... Rxe4+ 12. Be2 $15)) 9... a6 $146 ({RR} 9... Ne8 10. O-O Nd6 11. Bg5 f6 12. Be3 Nd7 13. Qd2 Rf7 14. Bh6 Qf8 15. Bxg7 Qxg7 16. a4 a5 17. Qe3 b6 18. Nb5 Ne8 19. Rf2 Ba6 20. Raf1 Bxb5 21. cxb5 Nd6 22. b3 Raf8 23. g4 Kh8 24. Nd2 {Vergara Castillo,B (2018)-Donoso Ovalle,C (1961) Santiago de Chile 2010 1-0 (48)}) ({RR} 9... Na6 10. O-O Nc7 11. Bg5 Qd6 12. h3 h6 13. Bxf6 Bxf6 14. Nh2 Bg5 15. Bg4 Kg7 16. Qe2 a6 17. a4 Ne8 18. Bxc8 Rxc8 19. Ng4 Nf6 20. Nxf6 Bxf6 21. Rf3 Rc7 22. Raf1 Bd8 23. Nd1 Rd7 24. Ne3 {Diogo,V-Santos,J Olival Basto 2001 1-0 (44)}) ({RR} 9... Nfd7 10. O-O h6 11. Be3 f5 12. Qd2 f4 13. Bf2 b6 14. Bh4 g5 15. Bf2 Nf6 16. Qc2 Nbd7 17. Rad1 Ng4 18. h3 Nxf2 19. Rxf2 a6 20. Bf1 Re8 21. Rfd2 Nf6 22. a3 Qd6 23. Rb1 g4 24. Ne1 {Gerasimenko,E-Linker,M Nikolaev 2006 1-0 (89)}) 10. O-O {[%CAl Oa2a4] White is clearly better.} ({And not} 10. Nxe5 Nxe4 11. Nxe4 Qh4+ 12. Nf2 Bxe5 $11) 10... Ne8 11. Be3 $146 ({Predecessor:} 11. Bg5 f6 12. Be3 b6 13. a3 Nd6 14. b4 Nd7 15. Qd2 Qc7 16. Qd3 f5 17. Nd2 {½-½ Mut Company,G (1910)-Porta Tovar,G (1970) Foment Martinenc op-A 15th Barcelona 2013 (9)}) 11... Nd7 12. Qd2 $6 {Inaccuracy. a4 was best.} (12. a4 a5 13. Qe1 Qe7 14. Bd3 Nb8 15. Rd1 b6 16. b3 Bd7 17. Nb5 Bxb5) 12... Nd6 13. Bh6 Rb8 14. Bxg7 Kxg7 15. a4 Qa5 $2 {Mistake. b6 was best.} (15... b6) (15... b6 $14) 16. Qe3 Qb4 17. Nd2 Nb6 $6 {Inaccuracy. f5 was best.} (17... f5 {[#]} 18. exf5 $1 gxf5 19. Nf3 Qxb2 $2 (19... f4 {was worth a try.} 20. Qc1 Qb6) 20. Rab1 $18 f4 {Threatens to win with ...Qxb1.} 21. Qd3 Qa3 22. Ng5 (22. Qc2 $18 {and White stays clearly on top.}) 22... Nf6 $16 23. Ne6+) (17... f6 {was necessary.} 18. b3 Kh8) 18. b3 $6 {[#] Inaccuracy. Na2 was best. a5 is the strong threat.} (18. Na2 Ndxc4 19. Nxc4 Nxc4 20. Qd3 Qxb2 21. Qxc4 Bd7 22. Rfb1 Qd2 23. Qd3 {Dodges Qe3+} Qxd3) ({Worse is} 18. Qg5 f6 19. Qe3 Ndxc4 20. Nxc4 Nxc4 21. Bxc4 Qxc4 $15) 18... Na8 $2 {Mistake. Nd7 was best.} (18... Nd7 19. a5 b5 {Prevents Ra4} 20. axb6 Qxb6 21. Bg4 {Hoping for Na4.} Nf6 22. Bd1 Nd7 23. Na4 Qb4 24. g4) (18... Nd7 $142 19. Qh3 h5) 19. h4 $6 {Inaccuracy. Na2 was best.} (19. Na2 Qa5 20. b4 cxb4 21. c5 Ne8 22. Nc4 Qd8 23. Nxb4 a5 24. Nd3 f6) ({Not} 19. Qf3 f6 $16) 19... f6 {[%mdl 32768] 0-1 Black wins. PRECISÃO LICHESS: BRANCAS 89% PRETAS82%. Weighted Error Value: White=0.34/Black=0.63. Mistake: --- Black=3 Inaccurate: --- Black=2 OK: White=1 Black=1 . Loss on time!?} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.8"] [White "Israel, Flavio Feliciano Ol"] [Black "Calcada, Bruno Ramalho"] [Result "1/2-1/2"] [ECO "E61"] [WhiteElo "1967"] [BlackElo "1654"] [Annotator "Stockfish 16,1"] [PlyCount "30"] [EventDate "2024.??.??"] {[%evp 12,30,42,31,40,-24,96,100,118,108,132,43,44,42,48,47,198,183,280,-813,98]} 1. d4 {Hazai,Laszlo} Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 Nbd7 6. e3 O-O 7. Qc2 e5 {E61: King's Indian: Early deviations for White, including Smyslov System.} ({RR} 7... c6 8. h3 Qc7 9. Rd1 e5 10. Be2 Re8 11. O-O Nf8 12. Bh4 Bf5 13. Qb3 Ne6 14. Bg3 Ne4 15. Nxe4 Bxe4 16. Nd2 Bf5 17. d5 Nc5 18. Qa3 a5 19. Nb3 Bc2 20. Rc1 Bxb3 21. axb3 f5 22. b4 {Avalos Parra,J (2148)-Caballero,W (2098) chess.com INT 2024 1-0 (43)}) 8. O-O-O {[%CAl Of3e5]} ({RR} 8. Rd1 h6 9. Bh4 Re8 10. Be2 g5 ({RR} 10... c6 11. dxe5 ({RR} 11. O-O Qe7 12. b4 ({RR} 12. h3 a6 ({RR} 12... e4 13. Nd2 Qe6 14. d5) 13. a3 Qf8 14. Bg3 Qe7 15. dxe5 ({RR} 15. c5 dxc5 16. dxe5 Nh5) ({RR} 15. d5 c5) 15... dxe5 16. b4 b6 17. Rd2 Bb7 18. Rfd1) 12... a6 ({RR} 12... e4 13. Nd2 g5 14. Bg3 h5 15. h4 Bh6 16. d5 ({RR} 16. c5 d5 17. b5) 16... cxd5 17. cxd5 Ne5 18. hxg5 Bxg5 19. Ncxe4 Bf5 20. Nxf6+ Qxf6 21. Qb3) 13. d5 c5 14. a3 b6 15. Nd2 Nf8 16. f3 Qc7 17. Rb1) 11... dxe5 12. O-O Qc7 ({RR} 12... Qe7 13. Nd2 Nf8 14. a3 Bf5 15. Qc1 g5 16. Bg3 Ng6 17. f3 h5 18. Nde4 h4 19. Be1 Nxe4 20. Nxe4 Red8 21. Rxd8+ Rxd8 22. c5 Be6 23. Nd6) 13. Nd2 Nf8 ({RR} 13... Nc5 14. b4) ({RR} 13... a5 14. Nde4) 14. c5 Bf5 15. Qc1 N8d7 ({RR} 15... Nd5) 16. b4 a5 17. a3 axb4 18. axb4 b6 ({RR} 18... Nd5 19. Nc4 Nxb4 20. Nd6 Rf8 21. Nxf5 gxf5 22. Qb1 Na6 23. Qxf5) 19. Nc4 bxc5 ({RR} 19... Be6 20. Bxf6 Bxf6 21. Ne4 Be7 ({RR} 21... Bg7) 22. Ncd6 Rf8 23. Bc4 Bxc4 24. Qxc4) 20. b5 ({RR} 20. Nd6 cxb4 ({RR} 20... Rf8 21. b5 Bg4 22. Bxg4 Nxg4 23. bxc6 Qxc6 24. Nd5) 21. Nxe8 Nxe8) 20... Bg4 21. Bxg4 Nxg4 22. bxc6 Qxc6 23. Rd6 Qb7 24. Rfd1) ({RR} 10... exd4 11. Nxd4 a5 ({RR} 11... Nc5 12. b4 Ne6 13. Nb3 Bd7 14. O-O b6 15. Bf3) 12. b3 ({RR} 12. Ndb5 Nc5 13. O-O g5 14. Bg3 Nfe4) ({RR} 12. O-O Nc5 13. Bf3 a4 14. b4 axb3 15. axb3) 12... Nc5 13. Bf3 Bd7 14. O-O c6 15. Bg3 Bf8 16. a3) 11. dxe5 ({RR} 11. Bg3 Nh5 12. dxe5 Nxg3 13. hxg3 Nxe5 ({RR} 13... dxe5 14. Bd3) 14. Nd4 ({RR} 14. Nxe5 Rxe5 15. g4 Bd7)) 11... dxe5 ({RR} 11... gxh4 12. exf6 Bxf6 13. O-O) 12. Bg3 Qe7 ({RR} 12... Nh5 13. Bxe5 g4 14. Bxg7 gxf3 15. Bxh6 fxe2 16. Qxe2) 13. O-O c6 14. a3 ({RR} 14. Nd2 e4 15. b4) 14... a5 ({RR} 14... Nh5 15. Ne4 ({RR} 15. Bxe5 Nxe5 16. Nxe5 Qxe5 17. Bxh5 g4)) 15. Rb1 ({RR} 15. h3) 15... Nh5 16. Rfd1 e4 ({RR} 16... Nxg3 17. hxg3 Nc5 18. b4 axb4 19. axb4 Na6 20. c5) 17. Nd4 ({RR} 17. Bd6 Qe6 18. Nxg5 hxg5 19. Bxh5 Qxc4 20. Be2 Qe6 21. Rd2) 17... Nxg3 18. hxg3 Nf8 ({RR} 18... Nf6 19. Na4) 19. Na4 c5 ({RR} 19... Bd7 20. Nb6 Rad8 21. c5) 20. Nb5 Ra6 21. Nac3 f5 ({RR} 21... Bxc3 22. Nxc3 f5 23. Nd5 Qe5) 22. Nd5 Qe5 {Ehlvest,J (2627)-Movsesian,S (2666) New Delhi/Teheran 2000 CBM 081 [Hazai,Laszlo] 1-0 (32)}) 8... Qe8 $146 {Mistake. Re8 was best.} (8... Re8) (8... Re8 $11) ({Predecessor:} 8... Qe7 9. Nd5 Qd8 10. dxe5 dxe5 11. Nxe5 c6 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Nxd7 Bxd7 15. Rxd7 {1-0 Cazacu,G (1866)-Goian,V (1516) MDA-ch (Women) Kishinev 2014 (5)}) ({RR} 8... exd4 9. exd4 c6 10. Bd3 Qa5 11. h4 h6 12. Bf4 d5 13. Ne5 Nxe5 14. Bxe5 dxc4 15. Bxc4 Bf5 16. Bd3 Be6 17. Kb1 b5 18. f4 Nd5 19. Nxd5 Bxd5 20. b3 Bxe5 21. fxe5 Kg7 22. h5 g5 23. Rhf1 {Paasikangas Tella,J-Ferreira,A Dubai 1986 1-0 (33)}) ({RR} 8... Qe7 9. Nd5 Qd8 10. dxe5 dxe5 11. Nxe5 c6 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Nxd7 Bxd7 15. Rxd7 Rab8 16. Bd3 a6 17. Rd1 b5 18. Bf1 Rfc8 19. c5 a5 20. R1d6 Qe5 21. g3 b4 22. Qc4 Qf5 23. Bh3 {Cazacu,G (1866)-Goian,V (1516) Kishinev 2014 1-0 (35)}) 9. Nb5 $16 Rb8 {White is better.} 10. Nxc7 {White has more active pieces. The black rooks are passive.} Qd8 11. dxe5 $6 {Inaccuracy. Nb5 was best.} (11. Nb5 exd4 12. Nxd6 dxe3 13. Bxe3 {[%CAl Oc4c5]} Qa5 14. c5 {Strongly threatening Kb1.} Ng4 {[#] Hoping for ...Nxe3.} 15. Bd4 $1 Bxd4 16. Rxd4 Nxc5) (11. Nb5 $16) 11... Qxc7 $14 12. exf6 Nxf6 {[%CAl Ob7b5]} 13. Bf4 Qa5 $2 {Mistake. Rd8 was best.} (13... Rd8 14. Kb1) (13... Rd8 $14) 14. Bxd6 $18 ({Don't do} 14. Rxd6 $6 Qxa2 15. Bd3 (15. Rxf6 Bxf6 16. Bxb8 Bf5 $17) 15... Be6 $14) 14... Bf5 $6 {[#] Inaccuracy. Bd7 was best.} (14... Bd7) (14... Bd7 {was worth a try.} 15. Kb1 Ba4) 15. Qe4 $4 {Blunder. Bd3 was best.} Qd8 $4 {Blunder. Nxe4 was best. 1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 46% PRETAS 52%. An exciting game. Weighted Error Value: White=0.85/Black=0.59. Missed win: White=1 Black=1 Mistake: White=1 Black=3 Inaccurate: White=1 --- OK: White=3 Black=1 Best: White=2 ---} (15... Nxe4 16. Bd3 Nxd6 17. Bxf5 Nxf5 18. Kb1 Kh8 19. h4 Nh6 20. Rd5 Qb6 {[%csl Gg7][%CAl Rb6b2]} 21. Rd2) ({Black should play} 15... Nxe4 $19 16. Nd4 Nxd6) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.9"] [White "Murillo, Costa Rodrigues Jr"] [Black "Marcelo, Dos Santos Silva"] [Result "1/2-1/2"] [ECO "B28"] [WhiteElo "1722"] [BlackElo "1965"] [Annotator "Stockfish 16,1"] [PlyCount "24"] [EventDate "2024.??.??"] {[%evp 9,24,25,33,21,25,8,64,65,57,36,116,108,111,98,161,153,167]} 1. e4 c5 2. Nf3 {[%CAl Bg1f3,Bf3d4,Bd4b3][%mdl 32]} a6 3. Be2 d6 4. d4 cxd4 5. Nxd4 ({RR} 5. Qxd4 Nc6 6. Qd3 g6 7. O-O Bg7 8. Nc3 Nf6 9. Nd5 O-O 10. c3 b5 11. Bg5 Nxd5 12. exd5 Ne5 13. Nxe5 Bxe5 14. h4 Bf5 15. Qd2 h5 16. Bd3 Qd7 17. Rae1 Rfe8 18. Re3 Rac8 19. Rfe1 Bxd3 {So,W (2752)-Carlsen,M (2830) Toronto CAN 2023 0-1 (60)}) ({RR} 5. Qxd4 Nc6 6. Qe3 Nf6 7. c4 Bg4 8. Nbd2 g6 9. O-O Bg7 10. Rb1 a5 11. h3 Bxf3 12. Nxf3 Nd7 13. Rd1 Qb6 14. Qf4 Nd4 15. Bf1 Nxf3+ 16. Qxf3 O-O 17. Be3 Qc6 18. Bd3 a4 19. Qe2 Rfc8 {Beerdsen,T (2513)-Boekelman,J (2114) Hilversum NED 2024 1-0 (32)}) 5... e5 $146 ({RR} 5... Nd7 6. O-O Ndf6 7. Nc3 e5 8. Nb3 Ne7 9. a4 Be6 10. Bg5 Rc8 11. Bxf6 gxf6 12. f4 f5 13. fxe5 dxe5 14. Qxd8+ Rxd8 15. Nc5 Bc8 16. Rad1 Rxd1 17. Rxd1 Nc6 18. Nb3 Nd4 19. Bh5 Nxb3 20. cxb3 {Antoniacci,R (1972)-Mosconi,A (2164) Padova 2005 0-1 (55)}) ({RR} 5... Nf6 6. f3 e5 7. Nb3 d5 8. exd5 Qxd5 9. Qxd5 Nxd5 10. Bd2 Nc6 11. Nc3 Nxc3 12. Bxc3 Be6 13. O-O-O Be7 14. Bd3 O-O 15. Be4 Rac8 16. Bxc6 Rxc6 17. Bxe5 Rfc8 18. c3 Bc5 19. Rhe1 h6 20. Bd4 {Lei,T (2453)-Cramling,P (2465) St Petersburg 2018 1-0 (63)}) 6. Nb3 {B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} Nf6 7. Bg5 h6 $146 ({Predecessor:} 7... Be7 8. Bxf6 Bxf6 9. Nc3 Be6 10. Nd5 Nd7 11. O-O Rc8 12. c3 O-O 13. Kh1 Bg5 14. Qd3 Nb6 15. Nxb6 Qxb6 16. Qc2 g6 17. Rad1 Rfd8 18. Bf3 {0-1 Pajukari,S (1526)-Vercauteren,N (1702) W-ch WS/O/1315 email ICCF email 2021}) 8. Bxf6 {White is slightly better.} Qxf6 9. O-O b6 $6 {Inaccuracy. Qd8 was best.} (9... Qd8) 10. Nc3 Be6 11. Nd5 Bxd5 {Inaccuracy. Qd8 was best.} (11... Qd8 12. f4 Be7 13. Nxe7 Kxe7 14. Bg4 {Black must now prevent Bxe6.} Nd7 15. Bxe6 fxe6 16. Qg4 Rg8 17. fxe5) 12. Qxd5 ({Don't take} 12. exd5 $6 g6 $14) 12... Ra7 {1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 95% PRETAS 86%. White took control after the opening. Weighted Error Value: White=0.13 (very precise) /Black=0.36. Inaccurate: --- Black=3 OK: White=1 Black=2 Best: --- Black=1} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "idChess.com"] [Date "2024.08.03"] [Round "6.10"] [White "Leal, Kaue Dos Santos"] [Black "Martinelli, Ricardo Rocha"] [Result "1-0"] [ECO "B32"] [WhiteElo "1856"] [BlackElo "1732"] [Annotator "Stockfish 16,1"] [PlyCount "101"] [EventDate "2024.??.??"] {[%evp 13,101,49,46,51,50,55,53,46,55,28,25,0,48,60,97,101,102,101,110,96,143,122,156,71,87,87,152,129,131,143,132,134,165,138,165,165,284,305,302,294,324,272,275,239,251,227,255,251,259,244,272,263,335,331,336,99,355,102,100,115,124,108,100,26,171,197,280,266,260,256,303,280,394,357,356,348,346,343,451,451,568,517,501,468,544,550,936,923,771,697]} 1. e4 c5 2. Nf3 {[%CAl Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 {6...g6 gains popularity.} 7. N5c3 Nf6 8. Be2 {B32: Sicilian: Löwenthal and Kalashnikov Variations.} Be7 ({RR} 8... Be6 9. Be3 Rc8 10. O-O g6 11. Qd2 Bg7 12. Rd1 O-O 13. Qxd6 Nd4 14. Qxd8 Rfxd8 15. Bd3 b5 16. cxb5 axb5 17. Nd2 b4 18. Nb5 Nc2 19. Bxc2 Rxc2 20. f3 Rxb2 21. a4 Ba2 22. a5 Ra8 23. a6 {Pacher,M (2434)-Pechac,J (2473) Ruzomberok 2019 0-1 (38)}) 9. Be3 O-O ({RR} 9... Be6 10. O-O O-O 11. Nd2 h6 12. Nd5 Nd7 13. Bg4 Bg5 14. Bxg5 hxg5 15. Nb3 Nf6 16. Bxe6 fxe6 17. Nxf6+ gxf6 18. Qd3 Qe7 19. Rad1 Rad8 20. Rd2 Rd7 21. Rfd1 Rfd8 22. Qf3 b6 23. h4 gxh4 24. Qg4+ {Hu,J (2148)-Kolar,S (1925) Bohumin CZE 2024 1-0 (45)}) 10. O-O {White is slightly better.} h6 11. a4 $146 ({Predecessor:} 11. f3 Be6 12. Nd5 Bxd5 13. cxd5 Nb8 14. Qb3 b5 15. a4 bxa4 16. Rxa4 Nbd7 17. Rxa6 {1-0 Nikolov,M (2478)-Uribe,J (2203) La Nucia op 3rd 2022 (6)}) ({RR} 11. Nd2 Be6 12. Nd5 Bxd5 13. cxd5 Nb8 14. Qb3 b5 15. a4 bxa4 16. Rxa4 Nbd7 17. Rfa1 a5 18. Qc3 Rb8 19. Rxa5 Nxe4 20. Nxe4 f5 21. Nd2 {1-0 (21) Zimmermann,F (2250)-Eilers,S Karlsruhe 1988}) ({RR} 11. Na3 Nd7 12. Nc2 Nc5 13. Qd2 Ne6 14. Rfd1 Bg5 15. Bxg5 hxg5 16. Qxd6 Ned4 17. Qxd8 Rxd8 18. Nxd4 Nxd4 19. Bd3 Be6 20. Kf1 Kf8 21. Ne2 Ke7 22. b3 Rac8 23. Nxd4 Rxd4 24. f3 Rcd8 25. Ke2 g4 {Kusa,J (2188)-Jares,M (1907) Kouty nad Desnou 2020 1-0 (60)}) 11... Be6 12. b3 Nb4 13. Na3 Qc7 14. Nc2 Nxc2 15. Qxc2 Rac8 {[%CAl Od6d5]} 16. Qd2 Kh7 $6 {Inaccuracy. b6 was best.} (16... b6) 17. f3 ({Resist} 17. Nd5 Nxd5 18. cxd5 (18. exd5 Bf5 $14) 18... Bd7 $14) 17... Ng8 18. g4 $6 {Inaccuracy. a5 was best. White is more active.} (18. a5 Nf6 19. Kh1 Nd7 20. Rfd1 Rb8 21. b4 Rfc8 (21... Bxc4 $16 22. Rdc1 Bxe2) 22. Rac1 Qd8 23. Nd5 Bxd5) ({Don't play} 18. Nd5 Bxd5 19. exd5 g6 $16) (18. a5 $142) 18... Bh4 19. a5 h5 $6 {Inaccuracy. Ne7 was best.} 20. Kh1 hxg4 21. fxg4 Qd7 22. Rg1 ({Much less strong is} 22. Bg5 Bxg5 23. Qxg5 Nh6 $14) 22... f6 23. Nd5 Bxd5 24. exd5 g5 $2 {Mistake. g6 was best. Black is weak on the light squares} (24... g6 25. Bd3) (24... Rce8 $142 25. Raf1 e4) 25. Bd3+ $18 Kg7 26. Bf5 {[%mdl 64] [#] Skewer. A strong pair of Bishops.} Qe7 27. Bxc8 Rxc8 28. Bf2 Bxf2 29. Qxf2 Nh6 30. Raf1 e4 31. Re1 Qe5 32. Qg3 {Qxe5 is the strong threat.} Re8 33. Qxe5 Rxe5 {[%mdl 4096] Endgame. KRR-KRN} 34. Re3 $2 {Mistake. Rg2 was best.} (34. Rg2 Kg6 35. Rge2 f5 36. gxf5+ Kxf5 37. c5 dxc5 38. d6 Rd5 39. Rxe4 Rxd6) (34. Rg2 $18 {has better winning chances.}) 34... Kg6 $2 {Mistake. f5 was best.} (34... f5) (34... f5 $16 {was necessary.}) 35. b4 $2 {Mistake. h3 was best.} (35. h3 f5 36. Rge1 Ng8 37. gxf5+ Kxf5 38. Kg2 Nf6 39. Rf1+ Kg6 40. Kf2 Nh5) (35. h3 $18) 35... f5 $16 36. gxf5+ Nxf5 37. Ree1 e3 38. Rg4 Kh5 $6 {[#] Inaccuracy. e2 was best.} (38... e2) (38... e2 $11 {and Black is okay.}) 39. h3 $1 $18 Nh4 (39... Nh6 $142) 40. Re2 {[%CAl Be1e2,Be2g2,Bg2g3][%mdl 32]} Kg6 41. Kg1 Kf5 42. Kf1 Ng6 $6 {Inaccuracy. Kf6 was best.} (42... Kf6 43. Ke1) (42... Kf6 {was worth a try.} 43. Ke1 Kf5) 43. Reg2 $6 {Inaccuracy. Rg3 was best.} (43. Rg3 Re4 44. c5 dxc5 45. bxc5 Re5 46. d6 Rxc5 47. Rexe3 Ne5 48. d7 Nxd7) 43... Kf6 44. R2g3 Nf4 45. h4 e2+ 46. Ke1 {White is clearly winning.} Nh5 $2 {Mistake. Re4 was best.} (46... Re4 47. hxg5+) 47. hxg5+ Kg6 48. Rg2 Ng7 49. Rxe2 Rxg5 50. Rxg5+ Kxg5 51. Re7 {1-0 White wins. PRECISÃO LICHESS: BRANCAS 92% PRETAS 89%. Weighted Error Value: White=0.30/Black=0.46. Loses game: --- Black=1 Missed win: White=2 --- Mistake: White=1 Black=4 Inaccurate: White=2 Black=6 OK: White=13 Black=12 Best: White=4 Black=3 Strong: White=1 ---} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.11"] [White "Sergio, Goncalves"] [Black "Moises, Hiroshi Ogawa Akiam"] [Result "1/2-1/2"] [ECO "D00"] [WhiteElo "1844"] [Annotator "Stockfish 16,1"] [PlyCount "44"] [EventDate "2024.??.??"] {[%evp 10,44,-11,-10,7,10,25,24,45,54,109,100,193,82,78,65,127,71,342,339,362,358,358,354,360,344,337,215,380,392,451,449,446,444,492,495,523]} 1. d4 d5 2. f4 $6 {Inaccuracy. c4 was best.} (2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Qc2 Bd6) 2... Nf6 3. e3 c5 4. c3 Nc6 5. Bd3 e6 $6 {Inaccuracy. Bg4 was best.} (5... Bg4 6. Ne2 e6 7. O-O Bf5 8. Ng3 Bxd3 9. Qxd3 Bd6 10. Nd2) 6. Nf3 a6 {D00: 1 d4 d5: Unusual lines.} ({RR} 6... Qb6 7. O-O Bd6 8. Kh1 Bd7 9. Ne5 Ne7 10. Nd2 Bb5 11. c4 dxc4 12. Ndxc4 Bxc4 13. Nxc4 Qc7 14. Qa4+ Nc6 15. Nxd6+ Qxd6 16. Bb5 {½-½ (16) Dede,E (2274)-Szakolczai,P (2168) Hungary 2003}) 7. O-O Bd7 $146 ({RR} 7... b5 8. Nbd2 c4 9. Bc2 g6 10. Ne5 Bb7 11. Qe1 Bg7 12. g4 Nxe5 13. fxe5 Nxg4 14. Qg3 Nh6 15. e4 dxe4 16. Nxe4 Nf5 17. Qf2 O-O 18. Bg5 Qc7 19. Nf6+ Bxf6 20. Bxf6 Qc6 {0-1 (20) Wehr,J (1385)-Duda,K (1572) Duisburg 2005}) ({RR} 7... c4 8. Bc2 g6 9. Nbd2 Bg7 10. Ne5 O-O 11. e4 Qc7 12. Qf3 b5 13. g4 dxe4 14. Nxe4 Bb7 15. Nxf6+ Bxf6 16. Be4 Rac8 17. Bd2 Rfd8 18. Rae1 Bxe5 19. fxe5 Nxe5 20. Qf4 Nd3 21. Qxc7 Rxc7 22. Bxd3 {Akylbek,E (1603)-Omar,T (1874) Almaty KAZ 2024 0-1 (54)}) ({RR} 7... c4 8. Bc2 b5 9. Ne5 Qc7 10. Qe1 g6 11. a3 Bb7 12. Nd2 Bg7 13. Ndf3 Ne7 14. Bd2 O-O 15. g4 Ne4 16. g5 f6 17. gxf6 Bxf6 18. Ng4 Nf5 19. Nxf6+ Nxf6 20. Rd1 Rae8 21. Qe2 Re7 22. a4 {Walke,G-Boeckenhaupt,R Pocking 1996 0-1 (42)}) ({RR} 7... Bd6 8. Ne5 Ne7 9. Nd2 c4 10. Bc2 b5 11. Qe1 Bb7 12. Rf3 Ne4 13. Rh3 Nf5 14. g4 Nh6 15. Qh4 Qxh4 16. Rxh4 O-O-O 17. Nef3 Be7 18. g5 Nf5 19. Nf1 Nxh4 20. Nxh4 h6 21. Nf3 hxg5 22. fxg5 {Klugert,E-Gabriel,W Dresden 1993 0-1 (49)}) 8. Nbd2 {[%CAl Bb1d2,Bd2f3,Bf3g5][%mdl 32]} c4 {White has an edge.} 9. Bc2 Bd6 $6 {Inaccuracy. Ng4 was best.} (9... Ng4 10. Qe2) 10. Ne5 {Dodges Ng4} b5 $6 {Inaccuracy. Qc7 was best.} (10... Qc7) (10... Qc7 $16 {was necessary.}) 11. a3 $146 {Mistake. e4 was best.} (11. e4 {Strongly threatening Nxc6.} Ne7 12. Nxd7 Nxd7 13. e5 Bc7 14. Nf3 Nf8 15. Bd2 h5 16. b3 Rb8) (11. e4 $18 {has better winning chances.}) ({Predecessor:} 11. e4 Qb6 12. Nxc6 Bxc6 13. e5 Be7 14. exf6 Bxf6 15. Nf3 Bb7 16. Be3 O-O-O 17. Qd2 {1-0 Fiedler,W (1939)-Feller,S (1766) Landesliga Nord 0304 Bayern 2003 (8.6)}) 11... Ne7 $16 12. Qe2 h5 $6 {Inaccuracy. g6 was best.} (12... g6 13. e4) 13. Ndf3 $6 {Inaccuracy. e4 was best. White is more active.} (13. e4) 13... Ne4 $4 {Blunder. g6 was best. Black cannot hold the game after this.} (13... g6) (13... Kf8 $16 {was called for.}) 14. Bxe4 $18 dxe4 15. Ng5 {[%csl Be4,Bf7]} Bxe5 16. fxe5 Nf5 17. Nxe4 Bc6 18. Nd2 {Mistake. Nc5 was best.} (18. Nc5 Rc8 19. e4 Nh4 20. Qf2 {[%csl Gf1][%CAl Rf2f7]} O-O 21. Qe2 Ba8 22. Qxh5 {[%CAl Oc1g5] Black must now prevent Bg5!} Rxc5 23. Bg5 Rxe5) 18... g5 $2 {Mistake. Qg5 was best.} (18... Qg5 19. Re1 {aiming for e4.} Qg4 20. e4 Qxe2 21. Rxe2 Ne7 22. Nf3 O-O 23. h3 Ng6 24. Bg5) (18... Qg5 $142 19. e4 Qe3+ 20. Rf2 Qxe2 21. Rxe2 Ne7) 19. e4 Ne7 $6 {Inaccuracy. Nh4 was best.} (19... Nh4 20. g3 Qe7 21. Rf6 Ng6 22. Nf3 h4 23. g4 O-O-O 24. Bxg5 Qb7 25. Re1) 20. Nf3 {White is clearly winning.} ({Not} 20. Qf3 Rh7 21. b3 g4 $18) 20... g4 21. Ng5 Rf8 {Black is weak on the dark squares} 22. Nh7 {[%CAl Rh7f6] [#]} Rh8 {[%mdl 32768] 1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 91% PRETAS 82%. Weighted Error Value: White=0.23 (precise) /Black=0.68. Loses game: --- Black=1 Mistake: White=1 Black=2 Inaccurate: White=2 Black=2 OK: White=9 Black=4 Best: White=1 --- . An unexpected result.} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.12"] [White "Michel Mattos da Silva"] [Black "Guilherme, De Moura Silva"] [Result "1-0"] [ECO "A17"] [WhiteElo "1268"] [BlackElo "1831"] [Annotator "Stockfish 16,1"] [PlyCount "31"] [EventDate "2024.??.??"] {[%evp 9,31,-46,-19,-30,-7,-11,8,-5,-1,-113,-17,-87,-80,-66,-80,-225,-39,-35,-34,-773,-705,-29990,-29985,-29990]} 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. e3 Bd6 ({RR} 5... c5 6. d4 cxd4 7. exd4 Bb4 8. Nge2 O-O 9. a3 Bxc3+ 10. bxc3 Re8 11. h3 Ne4 12. Be3 Qe7 13. Bg2 Bf5 14. Ra2 Nd7 15. O-O Rac8 16. Nf4 Nxc3 17. Nxd5 Nxd1 18. Nxe7+ Rxe7 19. Rxd1 Nf6 20. Rb2 {Pujol Zoilo,E (1593)-Sauri Verdaguer,R (1858) Llinars del Valles ESP 2024 1-0 (46)}) 6. Nf3 {A17: English Opening: 1...Nf6 with ...Bb4.} c6 7. Bg2 Bg4 8. h3 $146 {The position is equal.} ({Predecessor:} 8. O-O O-O 9. Qb3 Qd7 10. d3 Na6 11. d4 b6 12. Qa4 Nc7 13. Ne5 Bxe5 14. dxe5 {½-½ Nietmann,F (1379)-Plasswich,H (1770) Ruhrgebiet-ch Seniors 10th Essen 2003 (3)}) ({RR} 8. O-O Nbd7 9. d4 Ne4 10. Qb3 Bxf3 11. Bxf3 Ng5 12. Bg2 Rb8 13. e4 Nxe4 14. Re1 O-O 15. Nxe4 dxe4 16. Bxe4 Re8 17. f3 Nf6 18. Bg5 h6 19. Bxf6 Qxf6 20. Rad1 Bc7 21. Kg2 Bb6 22. d5 cxd5 {Ferraz Falco,F (1900)-Estrach Reixach,L (1865) Centelles 1996 1-0 (32)}) 8... Bf5 9. Qb3 $2 {Mistake. d3 was best.} (9. d3 h6) (9. d3 $11) 9... Qc8 $6 {Inaccuracy. Na6 was best.} (9... Na6 {White must now prevent ...Nb4.} 10. O-O Nc5 11. Qd1 h5 12. Ne1 Qd7 13. h4 Nd3 14. Qe2 Nxe1 15. Rxe1) (9... Na6 $17 10. Qxb7 Nb4) 10. O-O $6 {[%CAl Od2d3] Inaccuracy. g4 was best.} (10. g4 Bg6) 10... Bxh3 11. Bxh3 Qxh3 12. Ne2 $2 {Mistake. Qxb7 was best.} (12. Qxb7 {[#]} O-O $1) (12. Qxb7 $17 Bxg3 13. fxg3 (13. Qxa8 $2 {too greedy.} Bd6 $19) 13... Qxg3+ 14. Kh1) 12... Ne4 $4 {Blunder. O-O was best.} (12... O-O 13. Nf4 Bxf4 14. exf4 Nbd7 {...Ng4 would now be deadly.} 15. Ng5 Qg4 16. d4 Rae8 17. Nf3 Re2 {Dodges Bd2} 18. Kg2) ({Black should play} 12... O-O $19 {Hoping for ...Nbd7.} 13. Nf4 Bxf4 14. exf4 Nbd7) 13. Qxb7 $15 {[%CAl Od2d3]} h5 {[%CAl Oh5h4] ...h4! is the strong threat.} 14. d4 $4 {[#] Blunder. Nf4 was best.} (14. Nf4 $1) (14. Qxa8 g5 15. Qxa7 h4 $19) (14. Nf4 $15 Bxf4 15. exf4 (15. Qxa8 Bxg3 16. fxg3 Qxg3+ 17. Kh1 Rh6 $19)) 14... h4 $1 $19 {[%CAl Rh4g3][%mdl 512]} 15. Ne5 {[#]} (15. gxh4 Ng5) 15... Bxe5 $1 16. dxe5 $2 {[%mdl 32768] Checkmate is now unavoidable. Nf4 was best. 1-0 White wins. PRECISÃO LICHESS: BRANCAS 64% PRETAS 85%. Weighted Error Value: White=1.52/Black=0.43. Loses game: White=1 --- Missed win: --- Black=1 Mistake: White=2 Black=1 Inaccurate: White=2 --- OK: White=1 Black=2 Best: White=1 Black=1 Brilliant: --- Black=1 . Loss on time!?} (16. Nf4 Bxf4 17. gxf4 O-O {[%CAl Oh3f3]} 18. Qb3 Nd7 {aiming for ...Rae8.} 19. Qc2 Rfe8 20. f3 Re6 {( ? ...Rg6+)} 21. Qg2 Rg6) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.13"] [White "Waldefran, Clementino Chagas"] [Black "Miguel, Mendes Da Costa"] [Result "1/2-1/2"] [ECO "B22"] [WhiteElo "1712"] [BlackElo "1646"] [Annotator "Stockfish 16,1"] [PlyCount "53"] [EventDate "2024.??.??"] {[%evp 9,53,39,73,86,141,141,148,144,199,197,378,223,413,414,506,394,523,468,546,537,789,418,428,434,429,422,414,330,437,318,322,311,311,272,343,339,346,332,331,334,346,342,379,348,368,351]} 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 Bb4+ 6. Nc3 {B22: Sicilian: 2 c3.} Qc7 $6 {Inaccuracy. d5 was best.} (6... d5 7. e5 Bd7 8. Bd3 Nge7 9. O-O Ng6 10. a3 Bxc3 11. bxc3) ({RR} 6... d6 7. Bd3 Bd7 8. O-O Nge7 9. Qe2 Ng6 10. Rd1 O-O 11. Be3 Qe7 12. Rac1 Ba5 13. a3 a6 14. b4 Bb6 15. Rc2 Ba7 16. e5 d5 17. Rcc1 Rfc8 18. Bb1 f5 19. exf6 gxf6 20. h4 Bb8 21. g3 {Horvath,T (2283)-Hari,D (2255) Hungary 2006 1-0 (38)}) ({RR} 6... Nge7 7. Bd3 d5 8. O-O O-O 9. a3 Ba5 10. e5 Ng6 11. Ng5 h6 12. Nxf7 Rxf7 13. Bxg6 Rf8 14. Qg4 Ne7 15. Bd3 Nf5 16. Qg6 Rf7 17. Ne2 Bd7 18. Be3 Be8 19. Qxe6 Qd7 20. Bxf5 Rc8 21. Rac1 {Borges,J (1952)-De Oliveira,J (1603) Rio de Janeiro 2022 1-0}) 7. Bd2 {aiming for d5.} Nf6 8. Bd3 {[%CAl Bf1d3,Bd3h7,Bh7b1][%mdl 32] White is clearly better.} a6 $146 ({RR} 8... d6 9. O-O a6 10. d5 Ne5 11. Qa4+ Bd7 12. Qxb4 Nxd3 13. Qd4 Nc5 14. e5 dxe5 15. Nxe5 O-O 16. d6 Qc8 17. Rac1 b6 18. b4 Nb7 19. Qxb6 Qb8 20. Bg5 Bb5 21. Nxb5 axb5 22. Bxf6 gxf6 23. Nd7 {Brozova,R (1745)-Kanak,M (1263) Kouty nad Desnou 2017 1-0 (43)}) 9. O-O O-O $2 {Mistake. d5 was best.} (9... d5 {...Bxc3 would now be deadly.} 10. e5 Nd7 11. Ng5 Be7 12. Qg4 g6 13. Rac1 Qb6 14. Be3 Qxb2 15. Qf4) (9... d5 $142) 10. Rc1 $146 {Mistake. e5 was best.} (10. e5 Ng4 11. Bxh7+ Kxh7 12. Ng5+ Kg8 {[%CAl Of7f6]} 13. Qxg4 {White wants to mate with Qh5.} f6 14. exf6 d5 15. f7+ Rxf7) (10. e5 $142) ({Predecessor:} 10. a3 Be7 11. Rc1 d5 12. e5 Nd7 13. Ne1 f5 14. Ne2 b5 15. Nf4 {1-0 Lazniewski,T (1422)-Matloka,M (1300) POL-chT U20 2nd League Szczyrk 2017 (4.86)}) 10... Qd8 {Mistake. Be7 was best.} (10... Be7 11. e5 Ne8 12. Re1 {Threatens to win with d5.} d6 13. Bb1 d5 14. h4 Bd7 15. g3 f5 16. Kg2) (10... Be7 $142 11. e5 Ne8) 11. e5 $18 Bxc3 12. bxc3 {Inaccuracy. Rxc3 was best.} (12. Rxc3 Ng4 13. Bxh7+ Kxh7 14. Ng5+ Kg8 15. Qxg4 f6 16. Rg3 {[%CAl Og5e6] And now Nxe6! would win.} Qe7 17. exf6 Rxf6) 12... Nd5 $6 {[#] Inaccuracy. Ng4 was best.} (12... Ng4 13. h3) 13. Bxh7+ {[%mdl 576] Decoy. A strong pair of Bishops.} Kh8 $6 {Inaccuracy. Kxh7 was best.} (13... Kxh7 14. Ng5+ Kg8 {White must now prevent ...f6.} 15. Qh5 Qxg5 16. Bxg5 b5 17. f4 Nce7 18. f5 Nxf5 19. g4) 14. Bb1 f6 15. Nh4 $6 {Inaccuracy. Ng5 was best.} (15. Ng5 g6 {Repels Qh5+} 16. Bxg6 {Intending Qh5+ and mate.} Kg8 17. Qh5 {[%csl Gg5,Gg6][%CAl Rh5h7]} Qe7 18. Bh7+ Kg7 19. Ne4 {Bh6+ would kill now.} Kh8 20. Bg6+ Kg8) 15... f5 16. Ng6+ Kg8 17. Nxf8 (17. Qh5 Nde7 18. Nxf8 (18. Bg5 Qe8 $18) 18... Qxf8 $18) 17... Qxf8 18. Qh5 Qf7 $6 {Inaccuracy. b5 was best.} (18... b5 19. g4 Nce7 20. f3 a5 21. Rf2 Bb7 22. Rg2 Rc8 23. Kf2 Rxc3 24. Rxc3) 19. Qh4 {Inaccuracy. Qxf7+ was best.} (19. Qxf7+ Kxf7 20. c4 Nde7 21. d5 Nxe5 22. Rfe1 d6 23. Bb4 exd5 24. Bxd6 N5c6) 19... b5 20. Rfd1 Bb7 21. a4 b4 22. cxb4 Ncxb4 23. Bxb4 Nxb4 24. Rc3 Bc6 25. Rdc1 ({Don't play} 25. Rh3 Qg6 26. Rg3 (26. d5 Nxd5 27. Rg3 Qh7 $18) 26... Qh7) 25... Qg6 {[%csl Gc6][%CAl Rg6g2] [#]} 26. Rg3 Qf7 27. a5 {[%mdl 32768] 1/2-1/2 The game is a draw. PRECISÃO LICHESS: BRANCAS 91% PRETAS 85%. Black got outplayed after the opening. Weighted Error Value: White=0.46/Black=0.59. Mistake: White=1 Black=2 Inaccurate: White=1 Black=5 OK: White=8 Black=4 Best: White=1 --- . An unexpected result.} ({Don't take} 27. Rh3 Kf8 28. g4 Qg6 $18) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.14"] [White "Almir, Souza De Almeida"] [Black "Luiz, Felipe De Moraes"] [Result "1-0"] [ECO "A04"] [WhiteElo "1868"] [BlackElo "1715"] [Annotator "Stockfish 16,1"] [PlyCount "45"] [EventDate "2024.??.??"] {[%evp 10,45,6,5,27,-23,-28,-41,-22,-15,-14,-45,-42,-39,27,32,38,7,124,126,125,41,100,71,73,53,313,312,315,320,315,267,419,336,414,275,308,121]} 1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nf6 5. d4 cxd4 6. exd4 O-O {A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} 7. Bf4 d5 8. c5 {The main line 8.c5 scores better than 8.Be2.} Nc6 {Black is slightly better.} 9. Be2 Bg4 10. h3 $146 ({RR} 10. O-O Ne4 11. Be3 e6 12. Ne1 Bxe2 13. Nxe2 b6 14. f3 Nf6 15. Rc1 bxc5 16. Rxc5 Ne7 17. Nd3 Nd7 18. Rb5 Nf5 19. Bf2 Nd6 20. Rb3 Nc4 21. Rc3 Bh6 22. b3 Ne3 23. Qc1 Ng4 24. Qc2 Nxf2 {Holst,C-Ek,H (2335) Sweden 1983 0-1 (33)}) 10... Bxf3 11. Bxf3 Re8 $146 {Inaccuracy. Nd7 was best.} (11... Nd7 {Strongly threatening ...e6.} 12. Bxd5 {0-0 would now be deadly.} Nxd4 {[%CAl Od8a5]} 13. Be3 e5 14. b4 a5 15. Bxb7 axb4 16. Ne4 $1 f5 17. Ng5 (17. c6 $5)) ({Predecessor:} 11... e6 12. O-O Nd7 13. Bd6 Ne7 14. Nb5 {½-½ Meszaros,E (1811)-Kurcsics,E (1929) Gyor op-A 7th 2016 (9)}) 12. O-O e6 13. Nb5 (13. b4 $5) 13... Ne4 $2 {Mistake. Rf8 was best.} (13... Rf8) (13... Re7 $11) 14. Bxe4 $16 (14. Nc7 Bh6 $14) 14... dxe4 15. Be3 {Inaccuracy. Nc7 was best.} (15. Nc7) (15. Nc7 $16) 15... f5 $6 {Inaccuracy. Bf8 was best.} (15... Bf8) 16. Qb3 Qe7 17. Nd6 Rac8 {Blunder. Rf8 was best. A mistake that costs the game.} 18. d5 $18 (18. Nxc8 $6 Rxc8 19. Rad1 Qf7 $18) 18... exd5 19. Qxd5+ (19. Nxc8 Rxc8 20. Rad1 (20. Qxd5+ Kh8 $16) 20... Qf7 $18) 19... Kh8 20. Rab1 (20. Nxc8 Rxc8 21. Rfd1 Bxb2 $16) 20... f4 $2 {Mistake. Ne5 was best.} (20... Ne5 21. Nxc8 Rxc8 22. Rbd1 Nd3 23. f3 Rd8 24. Qc4 {aiming for fxe4.} Re8 25. Bd4 {Hoping for fxe4.} Nf4 26. fxe4) (20... Nb4 {might work better.} 21. Nxc8 (21. Qxb7 Qxb7 22. Nxb7 Be5 $16) 21... Rxc8) 21. Bd2 (21. Bxf4 Nb4 22. Qc4 (22. Qxb7 Qxb7 23. Nxb7 Re7 $16) 22... Nd3 23. Nxc8 Rxc8 $18) 21... f3 22. g3 $6 {Inaccuracy. Rfe1 was best.} (22. Rfe1 Qc7 23. Bc3 Rf8 24. Nxc8 Qxc8 25. Qxe4 fxg2 26. Kxg2 Bxc3 27. bxc3 Qd8) ({Less strong is} 22. Nxc8 Rxc8 23. Rfe1 (23. gxf3 Nd4 $16) 23... Re8 $18) (22. gxf3 Nd4 23. fxe4 (23. Nxc8 Nxf3+ 24. Kh1 Qh4 $14) (23. Qxe4 Qxe4 {[%mdl 64] Remove Defender} 24. fxe4 Nf3+ 25. Kg2 Nxd2 $17) 23... Nf3+ 24. Kg2 Nxd2 $18) 22... Nd4 23. Nxc8 $6 {Inaccuracy. Rbd1 was best. 1-0 White wins. PRECISÃO LICHESS: BRANCAS 89% PRETAS 8%. Weighted Error Value: White=0.39/Black=0.61. Loses game: --- Black=1 Missed win: White=1 --- Mistake: White=1 Black=2 Inaccurate: White=4 Black=2 OK: White=4 Black=5} (23. Rbd1 h6 24. Kh2 Nf5 25. Nxc8 Rxc8 26. Rfe1 Re8 27. c6 bxc6 28. Qxc6 Kh7) (23. Bg5 $18 {has better winning chances.} Qe6 (23... Ne2+ $2 24. Kh2 $18) 24. Qxe6 (24. Qxb7 {leads to mate.} Qxh3 25. Nf7+ Kg8) 24... Nxe6 25. Be3 (25. Nxe4 Nxg5 26. Nxg5 Rxc5 $14)) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.15"] [White "Roberto, Fabelino De Souza"] [Black "Gabriel Silva Cosme"] [Result "1-0"] [ECO "A16"] [WhiteElo "1741"] [BlackElo "1577"] [Annotator "Stockfish 16,1"] [PlyCount "79"] [EventDate "2024.??.??"] {[%evp 12,79,44,44,68,35,50,35,58,47,63,46,49,46,158,86,154,41,46,-17,-12,-19,17,19,138,145,144,157,175,116,221,158,207,185,199,155,189,188,189,191,193,182,309,314,310,300,325,338,325,329,417,397,512,375,502,331,522,382,471,462,524,299,303,290,366,306,326,294,296,264]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e3 d6 6. Nge2 c5 7. O-O Qc7 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} ({RR} 7... e5 8. d4 Nc6 9. dxc5 dxc5 10. Qxd8 Rxd8 11. Bxc6 bxc6 12. e4 Be6 13. b3 Rd4 14. f3 Rd7 15. Ba3 Bf8 16. Rad1 Rad8 17. Rxd7 Rxd7 18. Rd1 Rxd1+ 19. Nxd1 Nd7 20. Ndc3 f5 21. Kf2 Kf7 22. Nc1 {Kruckenhauser,A (2350)-Bryant,T (2084) chess.com INT 2024 1-0 (43)}) 8. Rb1 Nc6 9. a3 a5 $146 {White is slightly better.} ({RR} 9... Bf5 10. d3 Qd7 11. Nf4 g5 12. e4 gxf4 13. exf5 Qxf5 14. Bxc6 bxc6 15. Bxf4 e5 16. Be3 Qh3 17. Qf3 Ng4 18. Qg2 Qxg2+ 19. Kxg2 Nxe3+ 20. fxe3 f5 21. e4 f4 22. gxf4 exf4 23. Ne2 Be5 24. Rf3 {Rennenkampff,J-Mueller,W (1933) Bad Woerishofen 2012 0-1 (53)}) 10. Nb5 Qd7 11. d4 cxd4 $146 ({Predecessor:} 11... b6 12. h3 e6 13. b3 Bb7 14. Bb2 Rad8 15. Nec3 Na7 16. Bxb7 Qxb7 17. Nxa7 Qxa7 {½-½ Schwenk,S (1719)-Englert,L (1476) Heusenstamm Sparkassen op-B 7th 2021 (7.17)}) 12. exd4 b6 $6 {Inaccuracy. d5 was best.} (12... d5) (12... d5 $14) 13. b3 $6 {Inaccuracy. d5 was best. White is more active.} (13. d5 Na7 14. a4 Nxb5 15. cxb5 Qf5 16. Be3 Qh5 17. Bxb6 Bh3 18. Bxh3 Qxh3) 13... Bb7 $6 {[%CAl Oa5a4] Inaccuracy. d5 was best.} (13... d5) 14. Bb2 $2 {Mistake. d5 was best.} (14. d5 Na7 15. Nxa7 Rxa7 16. Nd4 Re8 17. Be3 Raa8 18. Re1 h5 19. Bf4 a4) ({White should try} 14. d5 $16) 14... Na7 {[#] Hoping for ...Bxg2.} 15. Nbc3 $6 {Inaccuracy. Bxb7 was best.} (15. Bxb7 Qxb7 16. Nxa7 Qxa7 17. d5 a4 18. b4 Rac8 19. Qd3 Qd7 20. Nd4 e5) (15. Bxb7 {simplifies} Qxb7 16. Nxa7 Rxa7 17. d5) 15... Bxg2 16. Kxg2 Qb7+ 17. Kg1 Nc6 $2 {Mistake. b5 was best.} (17... b5) (17... b5 $11 {remains equal.}) 18. d5 $16 Nb8 19. Nd4 {[%CAl Be2d4,Bd4b5,Bb5d6][%mdl 32]} Qd7 20. Kg2 Qg4 $6 {Inaccuracy. Na6 was best.} (20... Na6) (20... Na6 $16) 21. f3 $6 {Inaccuracy. Re1 was best.} (21. Re1 Qd7 22. Qf3 Re8 23. Re2 Na6 24. Na4 Qb7 25. Rbe1 {Nc6 would now be deadly.} Rac8 26. Nb5 {aiming for Bxf6.} Rcd8) 21... Qc8 22. Re1 Re8 23. Na4 Qc7 24. Nb5 Qd8 25. Bd4 Nbd7 26. Bf2 e6 $6 {Inaccuracy. Nc5 was best.} (26... Nc5 27. Nac3 Nfd7 28. Bd4 h5 29. Bxg7 Kxg7 30. Rb2 h4 31. Rbe2 ({Better is} 31. b4 $18) 31... Nf6 $16 32. Kg1) (26... Nc5 {was necessary.} 27. Nac3 Qb8) 27. Nxd6 Re7 28. dxe6 Rxe6 29. Rxe6 fxe6 30. Qe2 e5 {Inaccuracy. Qe7 was best.} (30... Qe7 31. Rd1 Rd8 32. Nb5 Rb8 33. Rd6 e5 34. Nxb6 Nxb6 35. Rxb6 Rxb6 36. Bxb6) 31. Rd1 Qc7 $6 {Inaccuracy. h6 was best.} (31... h6 32. Ne4 Qc7 33. Nxf6+ Nxf6 34. Nxb6 Rb8 35. Nd5 Nxd5 36. cxd5 Qd6 37. Qc4) 32. Nb5 $6 {Inaccuracy. c5 was best.} (32. c5 {Threatening mate with Qc4+.} h5 33. cxb6 Qc6 34. Qc4+ Qxc4 35. bxc4 e4 36. fxe4 Ne5 37. b7 Rb8) 32... Qb7 33. Nac3 $6 {Inaccuracy. Nd6 was best.} (33. Nd6 Qa6 34. Nc3 Rf8 35. Nd5 Qa7 36. Nxf6+ Bxf6 37. Qd3 Nc5 38. Bxc5 bxc5) 33... Ng4 $2 {Mistake. Bf8 was best.} (33... Bf8 34. Nd6 Bxd6 35. Rxd6 Ne8 36. Rd2 Nef6 37. h3 Rf8 38. b4 axb4 39. axb4) (33... Bf8 $142 34. Nd6 Qc6) 34. Bg1 $6 {Inaccuracy. Nd6 was best.} (34. Nd6 Qa6 35. fxg4 Rf8 36. Nde4 Nf6 37. Kg1 Qb7 38. h3 Nxe4 39. Nxe4 h6) 34... Ngf6 35. Nd6 Qc6 {Inaccuracy. Qa6 was best.} (35... Qa6 36. Nce4 h6 37. Nxf6+ Nxf6 38. Qxe5 a4 39. b4 Rd8 40. Qe6+ Kh7 41. Bf2) 36. Ncb5 $2 {[%CAl Oc4c5] Mistake. c5 was best. c5! is the strong threat.} (36. c5 Bf8 37. Qc4+ Kh8 38. cxb6 Qxc4 39. bxc4 Kg8 40. c5 Nb8 41. Ncb5 Nc6) 36... Bf8 37. h3 Ne8 $6 {Inaccuracy. Be7 was best.} (37... Be7 {37...?b8 2.82} 38. c5 bxc5 39. Qc4+ Kh8 40. Nf7+ Kg7 41. Be3 {And now Bh6+ would win.} Nb6 42. Bh6+ Kg8 43. Nxe5+) 38. Ne4 Nef6 39. Nxf6+ Nxf6 40. Qxe5 {1-0 White wins. PRECISÃO LICHESS: BRANCAS 89% PRETAS 86%. Weighted Error Value: White=0.46/Black=0.58. Mistake: White=1 Black=5 Inaccurate: White=6 Black=4 OK: White=9 Black=6 Best: White=1 ---} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.16"] [White "Handel, Scholze Marques"] [Black "Flavio C. Balod"] [Result "0-1"] [ECO "B02"] [WhiteElo "1587"] [BlackElo "1709"] [Annotator "Stockfish 16,1"] [PlyCount "44"] [EventDate "2024.??.??"] {[%evp 9,44,-32,-29,-20,-11,-17,-16,-18,46,40,35,26,44,14,13,-34,0,0,19,17,21,17,74,76,69,23,24,26,24,23,29,13,11,-11,195,-14,-19]} 1. e4 Nf6 2. d3 $6 {Inaccuracy. e5 was best.} (2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Bf5) 2... e5 3. g3 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. Bg2 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} Nc6 {[#] Hoping for ...e4.} 7. Nc3 Qd7 {[%CAl Oe5e4] ...e4! is the strong threat.} 8. h3 Bh5 $146 {[%CAl Oe5e4]} ({RR} 8... Be6 9. Ng5 Bf5 10. Be3 Bb4 11. g4 Bg6 12. a3 Ba5 13. b4 Bb6 14. b5 Nd8 15. Nf3 Qe7 16. Qd2 Ba5 17. O-O e4 18. Nh4 Qe5 19. d4 Qe6 20. Nxg6 hxg6 21. d5 Qe7 22. Bd4 a6 23. bxa6 {De Boni,J-Dobrev,N (2374) Dos Hermanas 2003 1-0 (40)}) 9. g4 Bg6 10. Nh4 $146 ({Predecessor:} 10. Be3 Bb4 11. a3 Bxc3+ 12. bxc3 Nd5 13. Qd2 e4 14. Nh4 exd3 15. Nxg6 hxg6 16. cxd3 Nxe3 17. Qxe3+ {1-0 Babazada,K (2468)-Orujov,F (2243) Baku op 2024 (3)}) 10... O-O-O 11. Nxg6 hxg6 12. Bg5 Be7 13. Qf3 Nh7 {[%CAl Bf6h7,Bh7g5,Bg5f3][%mdl 32]} 14. Bxe7 Qxe7 15. O-O-O Ng5 16. Qe3 Nd4 17. f4 $6 {Inaccuracy. Rde1 was best. Inhibits f6.} (17. Rde1 {[%CAl Of2f4]} c6 18. f4 Nge6 19. fxe5 g5 20. Qd2 Nf4 21. Rhf1 Rhe8 22. Re4 Kb8) 17... Qc5 {[%CAl Od4b3]} 18. Qxe5 (18. fxg5 $2 {too greedy.} Nb3+ 19. axb3 Qxe3+ $19) 18... Qxe5 19. fxe5 {Rdf1 would now be deadly.} Ngf3 {[#]} 20. e6 $1 {And now Bxf3 would win.} Nh4 {A dynamic duo of knights.} 21. Be4 c6 $4 {Blunder. Nxe6 was best.} (21... Nxe6 22. Rh2) (21... Nxe6 $11 22. Rhf1 Ng5) 22. e7 $4 {Blunder. exf7 was best.} (22. exf7 Rd7 23. Rhf1 Rf8 24. Bh1 Rdxf7 25. Rxf7 Rxf7 26. Ne4 {Dodges Rf2} Kc7 {Repels Nd6} 27. c3 Ne6) ({White has to play} 22. exf7 $18 {aiming for Rhf1.} Rd7 23. Rhf1) 22... Rde8 {[%mdl 32768] Ilegível PRECISÃO LICHESS: BRANCAS 87% PRETAS 89%. Weighted Error Value: White=0.27 (precise) /Black=0.31. Loses game: --- Black=1 Missed win: White=1 --- Inaccurate: White=3 Black=3 OK: White=6 Black=5 Best: --- Black=1 . Loss on time!?} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.17"] [White "Sophia Magalhães de Lima"] [Black "Adnilton, Correia De Almeida"] [Result "1-0"] [ECO "C41"] [WhiteElo "1479"] [BlackElo "1685"] [Annotator "Stockfish 16,1"] [PlyCount "25"] [EventDate "2024.??.??"] {[%evp 9,25,21,23,17,22,2,38,-9,7,13,10,-5,9,-35,355,350,418,432]} 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. Nc3 Nf6 5. h3 a6 ({RR} 5... c6 6. d3 O-O 7. O-O b5 8. Bb3 Nbd7 9. a3 Nc5 10. Ba2 Be6 11. d4 Bxa2 12. Rxa2 Ncxe4 13. Nxe4 Nxe4 14. Qe2 f5 15. dxe5 dxe5 16. c4 Bf6 17. Be3 a6 18. Raa1 Qe7 19. Rac1 Rad8 20. cxb5 {Pilz,D (2269)-Unger,M (2076) Bayern 2007 1-0 (66)}) 6. d3 {C41: Philidor Defence.} O-O 7. Be3 ({RR} 7. O-O Be6 8. Bb3 c6 9. d4 Bxb3 {0-1 (9) Adebo,M (1979)-Kenea,E (1772) Addis Ababa 2022}) 7... Nc6 $146 ({RR} 7... b5 8. Bb3 Bd7 9. Qd2 Nc6 10. a3 Rc8 11. Ne2 Nb8 12. Bg5 c5 13. c4 Be6 14. Rc1 a5 15. O-O b4 16. a4 Nc6 17. Ng3 Qd7 18. Qe2 h6 19. Be3 Ne8 20. Kh2 f5 21. Ng1 f4 22. Qh5 {Baltasar Lancharro,V-Fradera Manils,J Santa Eulalia de Roncana 2008 0-1 (49)}) 8. O-O {White is slightly better.} b5 9. Bd5 Bb7 10. d4 $146 ({Predecessor:} 10. Qd2 b4 11. Ne2 a5 12. a4 Nxd5 13. exd5 Na7 14. c4 bxc3 15. bxc3 Bxd5 16. Rab1 Bxf3 17. gxf3 {0-1 Maier,K (1620)-Kiefel,D (1620) GER Pfingstopen U12 Playchess.com INT blitz 2020 (2)}) 10... Nxd5 11. exd5 {[%CAl Be4d5,Bd5c6,Bc6b7][%mdl 32] Inaccuracy. Nxd5 was best.} (11. Nxd5) 11... exd4 $4 {Blunder. Na5 was best.} (11... Na5) (11... Na5 $15 {stays ahead.}) 12. dxc6 $18 dxc3 13. cxb7 {1-0 White wins. PRECISÃO LICHESS: BRANCAS 92% PRETAS62%. White took control after the opening. Weighted Error Value: White=0.22 (precise) /Black=0.89. Loses game: --- Black=1 Inaccurate: White=2 Black=1 OK: White=1 Black=1 Best: White=2 ---} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.19"] [White "Mauro, Araujo Lima De Souz"] [Black "Marcello, Henrique Amaral Da"] [Result "0-1"] [ECO "C02"] [WhiteElo "1511"] [BlackElo "1579"] [Annotator "Stockfish 16,1"] [PlyCount "26"] [EventDate "2024.??.??"] {[%evp 12,26,50,34,35,-26,45,-7,46,22,19,-15,-16,-34,-32,-30,-1]} 1. e4 e6 2. e5 d5 3. d4 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nh6 7. O-O cxd4 {C02: French: Advance Variation.} 8. Nxd4 Nxd4 9. Qxd4 Bc5 $6 {Inaccuracy. Qxd4 was best. The position is equal.} (9... Qxd4) 10. Qh4 Nf5 11. Qf4 $146 ({Predecessor:} 11. Qh3 Qc7 12. b4 Bb6 13. a4 Qxe5 14. Re1 Qf6 15. a5 Bc7 16. g4 Qh4 17. Qg2 {0-1 Keogh,E (2175)-Clarke,T (2230) IRL-ch Dublin 1996 (8)}) ({RR} 11. Qh3 Qc7 12. b4 Bb6 13. a4 Qxe5 14. Re1 Qf6 15. a5 Bc7 16. g4 Qh4 17. Qg2 Ne7 18. Nd2 Ng6 19. Nf3 Qd8 20. Bg5 Qd6 21. Bb5+ Bd7 22. Bxd7+ Qxd7 23. c4 dxc4 24. Qf1 h6 25. Red1 Qc6 {Keogh,E (2175)-Clarke,T (2230) Dublin 1996 0-1}) 11... Bd7 12. b4 Be7 13. a4 {Dodges Bb5} h6 {[%mdl 32768] Ilegível PRECISÃO LICHESS: BRANCAS 92% PRETAS 91%. Weighted Error Value: White=0.30/Black=0.30. Inaccurate: White=3 Black=3 OK: --- Black=3 Best: White=1 --- . Loss on time!?} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.20"] [White "Lucas do Nascimento de Araúj"] [Black "Diogo, Ubirajara Correa Ju"] [Result "0-1"] [ECO "B11"] [BlackElo "1570"] [Annotator "Stockfish 16,1"] [PlyCount "42"] [EventDate "2024.??.??"] {[%evp 9,42,26,32,37,27,28,57,18,21,-18,5,-76,-46,-130,-67,-97,-14,-361,-358,-357,-357,-350,-252,-266,-253,-286,-281,-314,-320,-492,-507,-531,-533,-560,-562]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 {[%CAl Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 4. Be2 dxe4 5. Nxe4 Nf6 ({RR} 5... Nd7 6. O-O Ngf6 7. Ng3 e6 8. d4 Be7 9. h3 Bxf3 10. Bxf3 O-O 11. Re1 Qb6 12. c3 Rfe8 13. Qc2 Rad8 14. a4 Qc7 15. a5 Bd6 16. Nf1 e5 17. Bd2 exd4 18. cxd4 Bf4 19. Ne3 a6 20. Rac1 {Rapport,R (2731)-Ruck,R (2531) Samarkand UZB 2023 1-0 (34)}) 6. Nxf6+ {B11: Caro-Kann: Two Knights Variation.} exf6 7. h3 ({RR} 7. O-O Bd6 8. h3 Bh5 9. Nh4 Bg6 10. d4 O-O 11. Be3 f5 12. Nxg6 hxg6 13. Bc4 Nd7 14. Qf3 Qh4 15. g4 Nb6 16. Bb3 a5 17. a4 f4 18. Bd2 Qf6 19. c3 g5 20. Rfe1 Rad8 21. Rad1 Bc7 {Gov,G (2127)-Kochavi,O (2428) Acre ISR 2024 0-1 (47)}) 7... Bh5 $146 ({RR} 7... Bf5 8. d4 Bd6 9. Bd3 O-O 10. O-O Bg6 11. Bxg6 hxg6 12. c4 Na6 13. Be3 Qd7 14. d5 c5 15. Rc1 Rfe8 16. a3 f5 17. Re1 b5 18. b3 bxc4 19. bxc4 Re4 20. Qc2 Rae8 21. Qb3 Nc7 22. Nd2 {Galego,L (2473)-Alonso Rosell,A (2570) Sao Joao da Madeira POR 2023 0-1 (78)}) ({RR} 7... Be6 8. O-O Bd6 9. d4 O-O 10. c4 Re8 11. b3 Nd7 12. Bb2 Nf8 13. d5 cxd5 14. cxd5 Bxd5 15. Bb5 Re7 16. Nh4 Be6 17. Qf3 a6 18. Bd3 Rd7 19. Rad1 Ng6 20. Nf5 Be5 21. Bc1 Rc8 22. Be4 {Raja,H (2472)-Sadhwani,R (2545) Lichess.org INT 2020 0-1 (33)}) ({RR} 7... Be6 8. d4 Bd6 9. O-O O-O 10. Be3 Re8 11. Re1 Nd7 12. c4 Nf8 13. Qa4 Qd7 14. d5 cxd5 15. Qxd7 Bxd7 16. cxd5 Ng6 17. Nd4 Be5 18. Red1 a6 19. Bg4 Rad8 20. Nb3 Bxg4 21. hxg4 Bxb2 22. Rab1 {Kartsev,N (2041)-Soham,D (2303) Reykjavik 2022 0-1 (83)}) 8. g4 {White is slightly better.} Bg6 9. d3 Be7 $146 ({Predecessor:} 9... Qd5 10. c4 Qd6 11. Qb3 Qb4+ 12. Qxb4 Bxb4+ 13. Bd2 Bxd2+ 14. Nxd2 O-O 15. O-O-O Re8 16. Rde1 Nd7 17. Nf3 Ne5 18. Nxe5 fxe5 19. Bf3 Bxd3 20. Rd1 Bxc4 {1-0 De la Victoria,D-Gentil,D COL GP U16 Bilin 2008 (4)}) 10. b3 $6 {Inaccuracy. Nh4 was best.} (10. Nh4 Na6 11. O-O Nc7 12. Bf3 Qd7 {[%CAl Oh7h5]} 13. Re1 O-O 14. Be4 Rfe8 15. Nf5 Bc5) 10... Nd7 11. Nd2 $6 {Inaccuracy. Nh4 was best.} (11. Nh4 Nf8) (11. Nh4 $15) 11... Bc5 {Black is more active.} 12. Bb2 Qb6 $6 {Inaccuracy. O-O was best.} (12... O-O 13. O-O) (12... O-O $17) 13. Ne4 $4 {Blunder. Nc4 was best. Now White is beyond hope.} (13. Nc4 Qc7 14. h4 {Strongly threatening h5.} h6 15. Qd2 O-O {next ...Rfe8 is good for Black.} 16. d4 Be7 17. O-O-O a5 18. Bd3 b5) (13. Nc4 $11 {and White is okay.} Qc7 (13... Bxf2+ $2 {too greedy.} 14. Kf1 $18) 14. h4) 13... Bxe4 $19 14. dxe4 Bxf2+ ({Not} 14... Qb4+ 15. Kf1 $17) 15. Kf1 Bg3 $6 {Inaccuracy. O-O-O was best.} (15... O-O-O 16. Bd3 Bd4 17. Bxd4 Qxd4 18. Ke2 Nc5 {[%CAl Oh8e8] White must now prevent ...Rhe8!} 19. Qg1 Qc3 20. Qe3 h5 21. Raf1) 16. Bd4 Qc7 17. Be3 O-O 18. Qd2 Rad8 {[%CAl Od7c5]} 19. Bxa7 $2 {Mistake. Bd3 was best.} (19. Bd3 Rfe8 20. h4 h5 21. Qe2 Bf4 22. Bf2 Ne5 23. gxh5 f5 {...fxe4 is the strong threat.} 24. Re1 Nxd3) (19. Bd3 $142) 19... b6 {Black is clearly winning.} 20. Qd3 Be5 21. c3 Qxa7 {0-1 Black wins. PRECISÃO LICHESS: BRANCAS 79% PRETAS 94%. Weighted Error Value: White=0.70/Black=0.27 (precise) . Loses game: White=1 --- Mistake: White=2 Black=1 Inaccurate: White=4 Black=3 OK: White=1 Black=6 Best: White=1 Black=1} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.21"] [White "Flavio, Cesar De Carvalho S"] [Black "Joao Guilherme Alves Sabadin"] [Result "1-0"] [ECO "B90"] [WhiteElo "1319"] [BlackElo "1059"] [Annotator "Stockfish 16,1"] [PlyCount "43"] [EventDate "2024.??.??"] {[%evp 16,42,0,5,157,33,110,39,101,76,138,114,149,151,480,472,530,533,648,641,650,568,632,514,519,519,645,617,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Be7 8. Qe2 b5 9. Bb3 Nbd7 $2 {[#] Mistake. b4 was best. B87: Sicilian Scheveningen/Najdorf: 6 Bc4, with early ...b5.} (9... b4 10. Na4 $1) (9... b4 $11 10. Na4 (10. Ba4+ Bd7 $17) 10... Bd7) ({RR} 9... b4 10. Na4 O-O 11. f3 Bd7 12. O-O Nc6 13. c3 Nxd4 14. Bxd4 Bb5 15. c4 Bc6 16. Qf2 Rb8 17. Rfd1 Nd7 18. c5 Qa5 19. cxd6 Bxd6 20. Bxg7 Kxg7 21. Rxd6 Bxa4 22. Bxa4 Qxa4 23. Rad1 Rb7 24. Qg3+ {Gabrielian,A (2442)-So,W (2757) chess.com INT 2024 0-1 (63)}) ({RR} 9... Bb7 10. f3 Nc6 11. O-O-O Na5 12. Bxe6 fxe6 13. Nxe6 Qc8 14. Nxg7+ Kf7 15. Nf5 Nc4 16. Bd4 Re8 17. Qf2 Ne5 18. Qh4 Ng6 19. Qh6 Bf8 20. Qg5 Ng8 21. h4 h6 22. Qg3 Ne5 23. h5 Qe6 24. Bxe5 {Gabrielian,A (2442)-Volkov,M (2271) chess.com INT 2024 1-0}) 10. O-O-O $2 {Mistake. Bxe6 was best. White is more active.} (10. Bxe6 $1 fxe6 11. Nxe6 Qa5 {...Ne5 is the strong threat.} 12. Nxg7+ Kf7 13. Nf5 Bb7 14. Rd1 Rhe8 15. O-O Qc7) (10. Bxe6 $16 {Bd5 would now be deadly.} fxe6 11. Nxe6) 10... Bb7 {[%CAl Ob5b4] Inaccuracy. b4 was best.} (10... b4) 11. f3 $6 {[%CAl Ob3e6] Inaccuracy. Bxe6 was best.} (11. Bxe6 fxe6) 11... b4 $146 {White is slightly better.} ({RR} 11... O-O 12. g4 Rb8 13. Rhg1 Ne8 14. g5 g6 15. Bxe6 Ng7 16. Bb3 Nc5 17. h4 Nxb3+ 18. Nxb3 Qc7 19. Nd5 Bxd5 20. Rxd5 Rfd8 21. Qf2 Qc4 22. Rd4 Qc6 23. Rgd1 Ne6 24. R4d2 Qc4 25. Kb1 Nc7 26. Na5 {Chan,C (1473)-Bergeron,R (1566) Montreal 2005 1-0 (41)}) ({RR} 11... d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Bxd5 exd5 15. Nc6 Qc7 16. Nxe7 Kxe7 17. Bf4+ {1-0 (17) Narva,M (2387)-Uurits,K (1730) Puhajarve EST 2023}) 12. Na4 Rc8 $146 ({Predecessor:} 12... O-O 13. g4 Qa5 14. g5 Nh5 15. f4 g6 16. Nxe6 Rfc8 17. f5 Bxe4 18. Rhf1 d5 {0-1 Narva,M (2397)-Shuvalova,P (2455) Swiss Queens Wed #3 FIDE Online Arena INT blitz 2024 (9)}) 13. g4 h6 $6 {Inaccuracy. Qa5 was best.} (13... Qa5 14. Kb1 g6 15. c3 bxc3 16. Nxc3 Nc5 17. Bc2 h5 18. g5 Nfd7 19. f4) 14. h4 Nc5 $4 {Blunder. g6 was best. This move loses the game for Black.} (14... g6 15. g5) (14... g6 $16 {is tougher.}) 15. Nxc5 $18 {[%mdl 64] Remove Defender} dxc5 {[#]} 16. Nxe6 {[%csl Oc5,Od8][%mdl 576] Discovered Attack, Double Attack} Qa5 $6 {Inaccuracy. fxe6 was best.} (16... fxe6 17. Rxd8+ Rxd8 18. Qc4 Bd5 19. exd5 exd5 20. Qxa6 c4 21. Ba4+ Kf7 22. Bc6) 17. Nxg7+ Kf8 18. Nf5 Qc7 19. Nxe7 Kxe7 20. Qc4 {[%csl Gb3][%CAl Rc4f7]} Kf8 {[#]} 21. Bxc5+ $1 {[%mdl 576] Deflection} Qxc5 $4 {Checkmate is now unavoidable. Kg8 was best.} (21... Kg8 22. Qd4 Nd5 23. Bxb4 Nxb4 24. Qxb4 a5 25. Qd6 Kg7 26. c3 Qxd6 27. Rxd6) 22. Qxf7# {1-0 White wins. PRECISÃO LICHESS: BRANCAS 2% PRETAS 79%. Weighted Error Value: White=0.43/Black=1.46. Loses game: --- Black=1 Mistake: White=1 --- Inaccurate: White=1 Black=5 OK: White=3 --- Best: White=1 ---} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "RUA CONDE DE BONFIN, 451"] [Date "2024.08.04"] [Round "6.23"] [White "Arnaldo, Soares De Oliveira"] [Black "Paulo, Henrique Pfitzner"] [Result "1-0"] [ECO "C42"] [WhiteElo "1365"] [BlackElo "1407"] [Annotator "Stockfish 16,1"] [PlyCount "100"] [EventDate "2024.??.??"] {[%evp 9,100,-68,-38,-43,-19,-18,-7,-16,20,10,6,13,21,-27,12,6,32,0,0,-43,-40,-342,-342,-321,-28,-223,-17,-12,-11,-21,0,0,5,8,94,96,122,121,119,48,90,63,92,50,96,85,86,93,105,104,133,98,552,152,290,280,357,352,434,442,425,440,458,457,442,441,420,429,442,430,441,429,682,671,671,533,577,552,784,784,784,784,769,764,1140,1140,1140,1140,1140,1140,1139,1139,718]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Nf3 $6 {Inaccuracy. Qe2 was best.} (4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5) 4... d5 5. Qe2 $146 ({RR} 5. c4 Nc6 6. Be2 Bc5 7. O-O O-O 8. d3 Nf6 9. d4 Be7 10. h3 h6 11. Nc3 Be6 12. c5 b6 13. cxb6 axb6 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Rc1 Ne4 17. a3 Rfe8 18. Bb5 Na7 19. Bxe8 Rxe8 {Ventura Bolet,M (2233)-Lesbekova,A (1805) chess.com INT 2023 1-0 (51)}) ({RR} 5. d3 Nf6 6. g3 Bd6 7. Bg2 O-O 8. O-O c5 9. Bg5 h6 10. Bxf6 Qxf6 11. Nc3 Be6 12. Nd2 Nc6 13. Nxd5 Bxd5 14. Bxd5 Qxb2 15. Rb1 Qd4 16. Bxc6 bxc6 17. Nc4 Be7 18. Qf3 Qd5 19. Kg2 Rab8 {Sjugirov,S (2689)-Riehle,M (2370) chess.com INT 2024 ½-½ (78)}) ({RR} 5. d3 Nf6 6. d4 Bd6 7. Bd3 O-O 8. h3 c5 9. dxc5 Bxc5 10. O-O Nc6 11. Nbd2 Re8 12. Nb3 Bb6 13. Bg5 h6 14. Bh4 g5 15. Bg3 Nh5 16. Kh1 Nxg3+ 17. fxg3 Qd6 18. Nxg5 Qxg3 19. Nxf7 Bxh3 {Janaszak,D (2308)-Kniazev,I (2036) chess.com INT 2024 ½-½ (57)}) ({RR} 5. d4 Bd6 6. Bd3 O-O 7. O-O Re8 8. Re1 Nf6 9. Bg5 Bd7 10. c3 h6 11. Bxf6 Qxf6 12. h3 Nc6 13. Nbd2 Qf4 14. Qc2 Ne7 15. Re2 Nf5 16. Rae1 Nh4 17. Rxe8+ Bxe8 18. Kf1 Bd7 19. Re3 Nf5 {Wang,A (1851)-Haszon,D (2250) chess.com INT 2023 0-1 (49)}) 5... Bc5 6. d4 $1 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Bb4+ 7. c3 Be7 8. Nbd2 $146 {The position is equal.} ({Predecessor:} 8. c4 O-O 9. h3 Bb4+ 10. Bd2 Nxd2 11. Nbxd2 Re8 12. a3 Rxe2+ 13. Bxe2 Bxd2+ 14. Nxd2 {0-1 Lung,S-Shetty,V Afroasian-zt10 prel email ICCF email 2007}) 8... Nxd2 9. Bxd2 O-O 10. O-O-O Nd7 11. Ne5 Nxe5 12. Qxe5 Bf6 13. Qg3 Bf5 14. Bh6 Re8 {[%CAl Oc7c5]} 15. Bf4 $4 {Blunder. Bd3 was best.} (15. Bd3 Bxd3 16. Rxd3 Qd7 17. Bf4 Qa4 18. a3 {[%CAl Of4e5]} b5 19. Be5 Bxe5 20. dxe5 c5) (15. Bd3 $15 Bxd3 16. Rxd3) 15... Bh4 $19 16. Qf3 Bg6 {Blunder. Re4 was best.} (16... Re4 {[%CAl Oe4f4] Strongly threatening ...Rxf4!} 17. g3 Rxf4 $1 18. gxf4 Be4 19. Qh3 Bxh1 20. f3 Qf6 21. Bd3 Qxf4+ 22. Kc2) (16... Re4 $19 {[%CAl Oe4f4] White must now prevent ...Rxf4!} 17. Bd2 (17. Bd3 $2 Rxf4 18. Qe3 Rxf2 $19) 17... Bg4 {[%mdl 64] Skewer}) 17. g3 {Blunder. Bd3 was best.} (17. Bd3 c6) (17. Bd3 $11) 17... Bf6 $4 {Blunder. Be4 was best.} (17... Be4 18. Qg4 {aiming for f3.} Bxh1 19. gxh4 Qf6 {Hoping for ...Re4.} 20. Qg3 Bf3 21. Bg5 Qf5 22. Bh3 Qe4 23. Rg1) (17... Be4 $19 18. Qg4 Bxh1 19. gxh4 Be4) 18. Bd3 $11 Bxd3 19. Qxd3 Re4 20. f3 Re7 21. h4 Qf8 $6 {Inaccuracy. Re6 was best.} (21... Re6 22. Rde1) (21... Qd7 $11 {remains equal.}) 22. g4 $16 {[%CAl Bg3g4,Bg4g5][%mdl 32] g5 is the strong threat.} Rd7 23. g5 Be7 24. Qb5 Qc8 {Inaccuracy. c6 was best.} (24... c6 25. Qd3 Rad8 26. Kb1 Bd6 27. Be5 Bxe5 28. dxe5 Qc5 29. f4 Qc4 30. Qd4) 25. Rde1 Bd6 26. Bh2 {White is much more active.} Bxh2 27. Rxh2 {[%CAl Bh1h2,Bh2e2,Be2e7,Be7c7][%mdl 32]} c6 28. Qd3 Qc7 29. Rhe2 {White threatens Re8+ and mate.} g6 30. Qe3 $6 {Inaccuracy. Re5 was best. Wards off Qf4} (30. Re5 {[%CAl Oh4h5]} Rf8) 30... Rd6 $4 {[#] Blunder. Rf8 was best.} (30... Rf8) (30... Rdd8 $16 {is a better chance.}) 31. Qe7 $4 {Blunder. Qf4 was best.} (31. Qf4 $1 {Intending Re8+ and mate.} Rf8 32. Re8 a5 33. R1e7 Qxe7 34. Rxe7 Re6 35. Qc7 a4 36. Kd2 Rxe7) (31. Qf4 $1 $18 {and the rest is easy. Threatening mate with Re8+.} Kf8 32. h5 (32. Qe5 Kg8 $18)) 31... Qxe7 {Mistake. Qd7 was best.} (31... Qd7 32. a4 Kg7 33. a5 Rd8 34. Kd2 Qxe7 35. Rxe7 R6d7 36. f4 Kf8 37. R7e5) (31... Qd7 $16 32. f4 Rd8) 32. Rxe7 {[%mdl 4096] Endgame. KRR-KRR} b5 33. Rc7 Re6 $6 {Inaccuracy. a5 was best.} (33... a5 34. Ree7 Rf8 35. Kd2 h6 36. Ke3 hxg5 37. hxg5 b4 38. Kf4 bxc3 39. bxc3) 34. Rxe6 fxe6 35. Rxc6 $18 {KR-KR} Kf7 36. Rc7+ Kg8 37. Re7 Rf8 38. Rxe6 ({Not} 38. Rxa7 Rxf3 39. Rb7 Rh3 40. Rxb5 Rxh4 $18) 38... Rxf3 {White is clearly winning.} 39. Re5 Rf4 40. Kc2 Rf5 $6 {Inaccuracy. Rxh4 was best.} (40... Rxh4 41. Rxd5 a6 42. a4 bxa4 43. c4 Kf7 44. c5 Ke6 45. Rd6+ Ke7 46. Kd3) (40... Rxh4 $142 41. Rxd5 a6) 41. Rxf5 gxf5 {KP-KP} 42. Kd3 Kf7 43. Ke3 Ke6 44. Kf4 a6 {[%CAl Ba7a6,Ba6a5,Ba5a4][%mdl 32]} 45. h5 a5 46. g6 hxg6 47. hxg6 Kf6 {[#]} 48. g7 $1 {[%mdl 576] Deflection} Kxg7 49. Kxf5 Kf7 50. Ke5 a4 {1-0 White wins. PRECISÃO LICHESS: BRANCAS 87% PRETAS 82%. Never resign too early! Weighted Error Value: White=0.46/Black=0.71. Loses game: White=2 Black=1 Missed win: White=1 Black=2 Mistake: --- Black=3 Inaccurate: White=5 Black=7 OK: White=15 Black=10 Best: White=2 Black=1} 1-0