[Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.1"] [White "Ramos, Angelo Bil"] [Black "Kaue Dos Santos Leal"] [Result "1-0"] [ECO "B50"] [WhiteElo "1957"] [BlackElo "1751"] [Annotator "Stockfish 16.1"] [PlyCount "112"] [EventDate "2024.??.??"] {[%evp 9,112,16,25,19,23,17,17,19,33,34,42,24,39,-42,13,7,25,5,11,14,15,-8,8,-7,-7,-12,-8,-52,-7,-22,4,-29,101,-25,-18,-18,-17,-16,-14,-23,-18,-34,-23,-35,0,-3,-3,0,0,0,0,0,0,0,0,-2,-3,-11,0,-9,-5,-24,0,-13,-2,-7,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-306,-307]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 {[%CAl Bd2d3,Bd3d4][%mdl 32]} e6 6. O-O {B50: Sicilian: 2...d6, Miscellaneous.} Be7 7. Nbd2 O-O 8. d4 {The position is equal.} Qc7 9. Re1 b6 10. Bf1 Bb7 11. b3 (11. d5 $14) 11... cxd4 (11... d5 $15) 12. cxd4 Rac8 13. Bb2 Qc2 $146 (13... Rfd8 {[%eval 7,0] 13...?c2} 14. Rc1 Qb8 15. Rxc8 Rxc8 16. Bd3 a6 17. Nf1 {[%CAl Bd4d5]} b5 18. Ng3 Qa8 19. Nd2 Nf8 20. h4 d5 (20... Bd8 $14) 21. e5 $16 Ne4 (21... Ne8 $16) 22. Ndxe4 $18 dxe4 23. Nxe4 Bxh4 24. Nd6 (24. Qg4 $1 $18 {[%CAl Rg4h4]} Be7 25. Re3) 24... Rc7 $16 25. Qh5 $1 Qd8 (25... Bd8 $16) 26. Rc1 (26. g3 $1 $18 {is more deadly.} Qg5 27. Qxg5 Bxg5 28. Nxb7 Rxb7 29. f4) 26... g6 $16 27. Nxb7 Rxb7 28. Qf3 {Ganaus,H (2205)-Werner,C (2365) Vienna 1996 1-0 (94)}) ({RR} 13... Rfd8 14. Rc1 Qb8 15. Rxc8 Rxc8 16. Bd3 a6 17. Nf1 b5 18. Ng3 Qa8 19. Nd2 Nf8 20. h4 d5 21. e5 Ne4 22. Ndxe4 dxe4 23. Nxe4 Bxh4 24. Nd6 Rc7 25. Qh5 Qd8 26. Rc1 g6 27. Nxb7 Rxb7 28. Qf3 {Ganaus,H (2205)-Werner,C (2365) Vienna 1996 1-0 (94)}) 14. Qxc2 Rxc2 15. Rab1 Rc7 $146 (15... d5 16. Bd3 Rc7 17. e5 Nh5 18. g3 Rfc8 19. Rbc1 Rxc1 20. Rxc1 Rxc1+ 21. Bxc1 f6 {0-1 (66) Lin,Z (1559)-Yachou,N (1891) Canberra 2004}) 16. Bd3 Rfc8 17. Rbd1 Kf8 18. Nf1 Nb8 (18... d5 $5 {[%CAl Rd5e4]} 19. e5 Ne4) 19. Ng3 {[%CAl Bd4d5]} (19. d5 $5 {[%CAl Rd5e6]}) 19... Ba6 {aiming for ...Bxd3.} 20. Bb1 (20. d5 $5 {[%CAl Rd5e6]}) 20... h6 $2 {Mistake. d5 was best. [#]} (20... d5 21. e5) 21. Rc1 $6 {Inaccuracy. d5 was best.} (21. d5 Nbd7 22. Nh4 e5 23. Ngf5 g6 24. Nxe7 Kxe7 25. f4 Ne8 26. g3 Kf8) 21... Rxc1 22. Rxc1 Rxc1+ 23. Bxc1 Nc6 24. Bd2 Ke8 25. h3 Kd7 26. Bc3 {[%CAl Bd4d5]} d5 27. Ne5+ Nxe5 28. dxe5 Nxe4 29. Nxe4 dxe4 30. Bxe4 {[%mdl 4096] Endgame KBB-KBB} Bb5 31. Kh2 Bc6 32. Bc2 Bd5 33. f4 h5 34. g3 g6 35. Bd3 Kc7 36. Kg1 Bc5+ 37. Kf1 a5 38. Ke2 Bg1 39. Bb5 Bc6 40. Bc4 Bc5 41. Be1 Be8 42. Bf2 Be7 43. h4 Bc6 (43... b5 $5 44. Bd3 Bc6) 44. Bd4 Be8 (44... b5 $5 45. Bd3 Bb4) 45. Ke3 Bc6 46. Bd3 (46. f5 {is more complex.} exf5 47. Bxf7 g5 48. Bxh5 gxh4 49. gxh4 Bxh4 50. Kf4) 46... Bd5 47. Ke2 Bc6 48. Kd1 Bd5 49. Kc2 Bf8 50. Kb2 Kc6 51. a3 Be7 52. Bf2 Bf8 53. a4 Bb4 54. Bb5+ Kc7 55. Be8 Be4 $1 56. Bxf7 $4 {[%mdl 8192] Blunder. Bb5 was best. [#]} (56. Bb5 Bd2 57. Ba6 Kb8 58. Bf1 Kb7 59. Be2 Kc6 60. Bc4 Bf5 61. Ba6 Bb4) 56... Kd7 $1 {[%mdl 32768] Weighted Error Value: White=0.29 (precise) /Black=0.14 (very precise) . Sensor Board Error (Ke4/e5)? PRECISÃO LICHESS: BRANCAS 90% PRETAS 96%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.2"] [White "Almir Souza De Almeida"] [Black "Souza, Iago Henrique da Si"] [Result "0-1"] [ECO "D03"] [WhiteElo "1868"] [BlackElo "2036"] [Annotator "Stockfish 16.1"] [PlyCount "88"] [EventDate "2024.??.??"] {[%evp 9,88,-11,31,-51,-39,-77,-21,-102,-33,-101,-103,-137,-107,-103,-106,-117,-126,-123,-107,-160,-157,-202,-201,-289,-278,-257,-258,-367,-365,-359,-354,-350,-353,-376,-330,-470,-467,-476,-475,-477,-463,-480,-474,-485,-480,-486,-488,-485,-474,-483,-433,-450,-449,-452,-444,-478,-429,-467,-457,-487,-487,-486,-487,-485,-485,-484,-485,-485,-483,-484,-484,-478,-475,-525,-507,-527,-518,-518,-446,-528,-482]} 1. Nf3 d5 2. d4 Nf6 3. Bg5 c5 4. Bxf6 gxf6 5. e3 Qb6 $6 {Inaccuracy. Nc6 was best.} (5... e6 {[%eval -17,0] 5...?c6} 6. c3 (6. c4 $14) 6... Nc6 7. Nbd2 Bd6 8. g3 Bd7 (8... cxd4 $15 9. exd4 O-O) 9. Bg2 cxd4 10. exd4 Qb6 11. Qc2 (11. O-O) 11... O-O-O 12. O-O Kb8 13. a4 {[%CAl Ba4a5]} a6 $2 (13... h5 $15) 14. Rfc1 (14. b4) 14... Rc8 15. Qd1 (15. b4 $1 $16) 15... h5 {[#]} 16. c4 (16. b4 $1 $16) 16... Nxd4 $15 17. cxd5 {Strongly threatening Nc4.} exd5 {aiming for ...Rxc1.} 18. a5 (18. Nxd4 Qxd4 19. Nf1 Qxd1 20. Rxd1) 18... Qb4 (18... Rxc1 19. Rxc1 Qxb2 20. Nxd4 Qxd4) 19. Nxd4 $17 Qxd4 20. Nb3 {Nakamura,H (2794)-Firouzja,A (2737) chess.com INT 2024 1-0 (55)}) (5... Nc6 6. c4 cxd4 7. cxd5 Qa5+ 8. Qd2 Qxd2+ 9. Kxd2 dxe3+ 10. fxe3) ({RR} 5... e6 6. c3 Nc6 7. Nbd2 Bd6 8. g3 Bd7 9. Bg2 cxd4 10. exd4 Qb6 11. Qc2 O-O-O 12. O-O Kb8 13. a4 a6 14. Rfc1 Rc8 15. Qd1 h5 16. c4 Nxd4 17. cxd5 exd5 18. a5 Qb4 19. Nxd4 Qxd4 20. Nb3 {Nakamura,H (2794)-Firouzja,A (2737) chess.com INT 2024 1-0 (55)}) 6. b3 $2 {Mistake. c4 was best. D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} (6. c4 cxd4 7. Nxd4 Nc6 8. cxd5 Nxd4 9. Qxd4 Qxd4 10. Bb5+ Bd7) 6... Nc6 7. c3 $146 (7. c4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Qxd4 10. exd4 dxc4 11. Bxc4 Bd7 12. Nd2 Bh6 13. Bd5 O-O-O {White should prevent ...Be8.} 14. Bxf7 Bc6 15. d5 Bxd5 16. Bxd5 Rxd5 17. Nf3 Rhd8 18. Ke2 (18. O-O {remains equal.}) 18... Rc5 19. Rhb1 Rc2+ 20. Kf1 e5 21. Ne1 Rcd2 {Clari Mascarell,J (2167)-Roig Aguilar,A (2096) Valencia 2009 1-0 (35)}) ({RR} 7. c4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Qxd4 10. exd4 dxc4 11. Bxc4 Bd7 12. Nd2 Bh6 13. Bd5 O-O-O 14. Bxf7 Bc6 15. d5 Bxd5 16. Bxd5 Rxd5 17. Nf3 Rhd8 18. Ke2 Rc5 19. Rhb1 Rc2+ 20. Kf1 e5 21. Ne1 Rcd2 {Clari Mascarell,J (2167)-Roig Aguilar,A (2096) Valencia 2009 1-0 (35)}) 7... Bg4 (7... cxd4 $17 8. exd4 a6) 8. Nbd2 $6 $146 {Inaccuracy. dxc5 was best.} (8. Be2 e6 9. O-O f5 10. Nbd2 cxd4 11. Nxd4 Bxe2 12. Qxe2 Bg7 13. Rac1 O-O 14. N2f3 Rac8 15. c4 Nxd4 16. exd4 dxc4 17. Rxc4 Rxc4 18. Qxc4 Rd8 19. Rd1 Rd5 {½-½ (19) Gerzhoy,L (2430)-Sorkin,I (2325) Philadelphia 2015}) (8. dxc5) 8... e6 $6 {Inaccuracy. cxd4 was best.} (8... cxd4 9. cxd4 e5) 9. Bd3 $6 {Inaccuracy. dxc5 was best.} (9. dxc5 Qxc5 10. Rc1) 9... cxd4 $17 10. exd4 Ba3 {Threatens to win with ...Bb2.} 11. Rb1 {Prevents Bb2. And now b4 would win.} Bd6 12. h3 {[#]} Bh5 {[%CAl Bg4h5,Bh5g6,Bg6e4][%mdl 32]} 13. b4 Rc8 14. Nb3 (14. O-O) 14... Qc7 15. a4 Ne7 {[%CAl Bc6e7,Be7c8,Bc8b6][%mdl 32]} 16. g4 $6 {Inaccuracy. O-O was best.} (16. Rc1 {was worth a try.}) (16. O-O O-O 17. Re1 Bf4 18. g4 Bg6 19. Nc5 b6 20. Bxg6 Nxg6 21. Nd3 Kh8) 16... Qxc3+ $19 17. Kf1 Bg6 18. Bb5+ $6 {Inaccuracy. Bxg6 was best.} (18. Bxg6 hxg6 19. Nc5 (19. Kg2 b6 20. a5 Qc2 21. Qxc2 Rxc2 22. h4 O-O 23. b5 Rfc8)) 18... Kf8 19. Rc1 Qxb4 20. Rxc8+ Nxc8 21. Kg2 Be4 22. Bd7 $6 {Inaccuracy. Bd3 was best.} (22. Bd3 Ne7 23. Bxe4 dxe4 24. Nfd2 Ng6 25. Nxe4 Nh4+ 26. Kf1 Kg7 27. Qd3 Rc8) 22... Nb6 {Black is clearly winning.} 23. Bb5 Nxa4 24. Bxa4 Qxa4 25. Nc5 Qxd1 26. Rxd1 Bxc5 27. dxc5 {[%mdl 4096] Endgame KRB-KRN} Ke7 28. Kg3 Bxf3 29. Kxf3 {KR-KR} Rc8 30. Ra1 Rxc5 31. Rxa7 Rc3+ 32. Kg2 Rb3 33. Ra8 d4 {[%CAl Bd5d4,Bd4d3][%mdl 32]} 34. h4 d3 35. Kf3 d2+ 36. Ke2 {[#]} Rd3 $3 {[%CAl Rd2d1][%mdl 512]} 37. Kd1 Rf3 38. Kxd2 Rxf2+ 39. Ke3 Rh2 40. h5 f5 41. Kf3 Kf6 42. Rh8 fxg4+ 43. Kxg4 Rb2 44. Rb8 Kg7 {Weighted Error Value: White=0.34/Black=0.12 (very precise) PRECISÃO LICHESS: BRANCAS 92% PRETAS 97%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.3"] [White "Santos Filho, Tadeu Sousa"] [Black "De Moura Silva, Guilherme"] [Result "1-0"] [ECO "A50"] [WhiteElo "1992"] [BlackElo "1916"] [Annotator "Stockfish 16.1"] [PlyCount "68"] [EventDate "2024.??.??"] {[%evp 14,68,32,30,31,28,29,27,30,30,54,12,32,7,20,0,80,78,91,86,89,85,94,53,51,59,44,32,63,30,27,28,23,22,25,18,23,0,59,70,285,276,278,269,265,215,262,195,323,298,475,412,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. c4 e6 3. Bf4 d5 4. cxd5 exd5 5. Nc3 Bd6 6. Bxd6 Qxd6 7. e3 c6 8. Bd3 O-O {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 9. h3 Re8 10. Qc2 (10. Nf3 Nbd7 11. Qc2 Qe7 12. O-O Ne4 13. b4 Ndf6 14. b5 c5 15. dxc5 $1 Nxc5 16. Rac1 Nxd3 17. Qxd3 Be6 18. Nd4 Rac8 19. Nce2 Bd7 20. Nf4 h6 21. Qb3 Qd6 22. Rfd1 Red8 23. Nde2 {[%CAl Rf4d5]} Be6 24. Nd4 Bd7 {Sarana,A (2668)-Duda,J (2729) Almaty KAZ 2022 ½-½}) ({RR} 10. Nf3 Nbd7 11. Qc2 Qe7 12. O-O Ne4 13. b4 Ndf6 14. b5 c5 15. dxc5 Nxc5 16. Rac1 Nxd3 17. Qxd3 Be6 18. Nd4 Rac8 19. Nce2 Bd7 20. Nf4 h6 21. Qb3 Qd6 22. Rfd1 Red8 23. Nde2 Be6 24. Nd4 Bd7 {Sarana,A (2668)-Duda,J (2729) Almaty KAZ 2022 ½-½}) 10... b6 {White has an edge.} (10... Be6 11. Nf3 Nbd7 12. O-O h6 13. Rae1 Rad8 14. Kh1 a6 15. Ng1 Nf8 16. a3 Bc8 {½-½ (16) Sapenov,D (2340)-Madaminov,M (2512) Moscow RUS 2024}) ({RR} 10... Be6 11. Nf3 Nbd7 12. O-O h6 13. Rae1 Rad8 14. Kh1 a6 15. Ng1 Nf8 16. a3 Bc8 {½-½ (16) Sapenov,D (2340)-Madaminov,M (2512) Moscow RUS 2024}) 11. Nf3 $146 (11. Rc1 c5 12. dxc5 bxc5 13. Nb5 Qd8 (13... Qa6 14. Qxc5 Bd7) 14. Qxc5 $16 {Hoping for Qa3.} Na6 (14... Nbd7 $16 15. Qa3 Ne5) 15. Qa3 $1 $18 d4 16. Nf3 (16. Rd1 $18) 16... dxe3 $16 {[%CAl Ba6b4] [#]} 17. O-O $1 {Strongly threatening Nd6.} exf2+ 18. Rxf2 Qb6 19. Nd6 Rd8 20. Nxf7 Rxd3 21. Qxd3 {Threatens to win with Qd8+.} Nb4 22. Qd8+ (22. Qd6 $16 Qxf2+ 23. Kxf2 Ne4+ 24. Ke3 Nxd6 25. Nxd6) 22... Qxd8 23. Nxd8 {aiming for Nc6.} Nd3 24. Rc7 {Rfc2 is the strong threat.} Nxf2 25. Kxf2 {And now Nc6 would win.} Nd5 {Tabatabaei,M (2686)-Adhiban,B (2610) Wijk aan Zee NED 2023 ½-½ (67)}) ({RR} 11. Rc1 c5 12. dxc5 bxc5 13. Nb5 Qd8 14. Qxc5 Na6 15. Qa3 d4 16. Nf3 dxe3 17. O-O exf2+ 18. Rxf2 Qb6 19. Nd6 Rd8 20. Nxf7 Rxd3 21. Qxd3 Nb4 22. Qd8+ Qxd8 23. Nxd8 Nd3 24. Rc7 Nxf2 25. Kxf2 Nd5 {Tabatabaei,M (2686)-Adhiban,B (2610) Wijk aan Zee NED 2023 ½-½ (67)}) 11... Ba6 12. Ne5 $146 (12. O-O Bxd3 13. Qxd3 Nbd7 14. Rac1 Ne4 15. Rc2 Nxc3 16. Rxc3 c5 17. dxc5 bxc5 18. Rd1 {½-½ (60) Sorensen,H (2428)-Oksendal,M (2086) Fagernes 2024}) 12... Bxd3 13. Qxd3 Nbd7 14. f4 Ne4 $6 {Inaccuracy. b5 was best.} (14... b5 15. O-O a6 16. Rac1 Rac8 17. Rfd1 h6 18. Ne2 c5 19. dxc5 Rxc5 20. Rxc5) 15. Nxe4 $16 dxe4 {[#]} 16. Qc4 Nxe5 17. dxe5 Qd5 18. Qxd5 cxd5 {[%mdl 4096] Endgame KRR-KRR} 19. Rd1 Red8 20. Rd2 g6 $6 {Inaccuracy. Kf8 was best.} (20... Kf8) 21. Ke2 $6 {Inaccuracy. Kf2 was best.} (21. Kf2) 21... Rac8 22. Rhd1 Rc5 23. g4 Kf8 24. Kf2 Ke7 25. f5 a5 $6 {Inaccuracy. gxf5 was best.} (25... gxf5 26. b4 Rc4 (26... Rc6 27. gxf5 Rh6 28. Kg3 Rg8+ 29. Kh2 Rg5 30. Rxd5 Rxf5 31. Rd7+)) 26. Kg3 $14 g5 $2 {Mistake. a4 was best.} (26... h6 $14) (26... a4) 27. h4 $18 h6 28. hxg5 hxg5 29. Rh1 a4 30. Rh6 Rb5 (30... Rc1 {was worth a try.} 31. Rxb6 Rg1+ 32. Kf2 Rxg4) 31. Rh7 d4 $4 {Blunder. Rc5 was best.} (31... Rc5 32. e6 Rf8 33. exf7 a3 (33... Rxf7 34. Rh5 Rg7 35. Rh6 Kf8 36. Rxb6 Rf7 37. Rg6)) 32. e6 dxe3 $4 {Checkmate is now unavoidable. d3 was best.} (32... d3 33. Rxf7+ Kd6 34. e7 Re8 35. f6 Rc5 36. Rf8 Kd7 37. Rh2 Rxe7 38. fxe7) 33. Rxf7+ Ke8 34. Rh2 {[%CAl Rh2h8]} Rc5 {Weighted Error Value: White=0.11 (very precise) /Black=0.69 PRECISÃO LICHESS: BRANCAS 97% PRETAS 86%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.4"] [White "Sergio, Goncalves"] [Black "Manzi, Luiz Antonio Bardar"] [Result "0-1"] [ECO "D05"] [WhiteElo "1844"] [BlackElo "2065"] [Annotator "Stockfish 16.1"] [PlyCount "90"] [EventDate "2024.??.??"] {[%evp 9,90,35,75,37,41,44,33,35,36,38,39,37,38,37,54,51,44,32,37,0,17,0,0,-3,-3,-8,-9,-10,0,-7,0,-16,-9,-5,-9,-14,-3,0,0,0,0,0,0,0,0,-5,0,0,8,-5,0,0,0,0,5,2,3,5,9,-3,-2,-5,13,14,9,-72,-67,-112,-112,-170,-178,-208,-204,-216,-203,-278,-173,-176,-113,-105,-104,-297,-163]} 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c6 5. O-O g6 $146 {Inaccuracy. c5 was best.} (5... Nbd7 6. b3 Be7 (6... Bd6 7. Bb2 O-O 8. Nbd2 Qc7 9. c4 b6 10. Rc1 Bb7 11. Qe2 Rfe8 12. a3 e5 {White must now prevent ...e4.} 13. cxd5 Nxd5 14. g3 Qb8 (14... N5f6) 15. Be4 (15. Rfd1 $16) 15... c5 $14 16. Qd3 (16. Bf5 $14 N5f6 17. dxe5 Nxe5 18. Ng5) 16... N5f6 $1 17. Bxb7 Qxb7 18. dxc5 Nxc5 19. Qe2 (19. Qc2) 19... e4 $15 20. Nh4 {Rodriguez Vargas,O (2445)-Garcia Padron,J (2410) Cordoba 1995 ½-½}) 7. Bb2 b6 8. Nbd2 Bb7 9. Ne5 c5 10. f4 O-O 11. Qf3 Rc8 12. a3 Rc7 {[%CAl Bc5c4] Hoping for ...c4!} 13. Rad1 $2 {[%mdl 8192] [#]} (13. Qh3 {and White is okay.}) 13... c4 $1 $19 14. bxc4 dxc4 15. Be4 Bxe4 $2 (15... Nxe4 $19 16. Nxe4 c3 17. Bxc3 Bxe4 18. Qxe4 Rxc3) 16. Nxe4 $17 c3 $2 (16... Nxe4 $19 17. Qxe4 f5) 17. d5 $2 {[%mdl 8192]} (17. Nxc3 $16 {Threatens to win with Nc6.} Nxe5 18. dxe5) 17... cxb2 18. d6 Nc5 $2 (18... Nxe5 $19 19. fxe5 Nd5 20. dxc7 Qxc7) 19. dxc7 $15 Qxc7 20. Qe2 $2 {[%mdl 8192] Secula,V-Ulrich,H Hamburg 1980 ½-½} (20. Nc3 $17)) (5... Be7 6. Nbd2 Nbd7 7. b3 O-O 8. Bb2 c5 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 f6 12. Qh5 f5 13. Rf3 (13. g4 $16) 13... Rf7 14. Rh3 Nf8 15. Qf3 (15. Qe2) 15... Qb6 (15... a6 $15) 16. c4 d4 17. exd4 cxd4 18. Qf2 Bc5 19. Nf3 {[%CAl Rb2d4]} Rd7 20. Kh1 {Heredero Gascon,E (1795)-Guzman Pino,D Santa Clara 2017 0-1 (74)}) (5... Bd6 6. Nbd2 (6. b3 O-O 7. Bb2 Nbd7 8. Nbd2 Re8 9. Ne5 Nf8 10. Ndf3 (10. f4 $16) 10... Ne4 11. c4 $2 (11. Bxe4 $16 {stays on course. And now Bd3 would win.} dxe4 12. Nd2) 11... Nf6 $2 (11... f6 $17 {keeps the pressure on.} 12. c5 Bc7) 12. Ng5 $16 Bxe5 $2 (12... Re7 $16 13. Qf3 Qc7) 13. dxe5 $18 N6d7 14. Qh5 g6 15. Qh6 Nc5 16. Bc2 b6 17. f4 f5 (17... dxc4 18. Rad1 Qe7 19. bxc4 Rd8) 18. exf6 {1-0 (18) Kareem,A-Turner,K Thessaloniki 1984}) 6... Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bd3 h6 11. c3 Qc7 12. Re1 b6 13. Ne5 Bb7 14. a4 (14. Bf4 $16) 14... c5 15. Bb5+ Ke7 16. a5 Rhd8 17. a6 Bd5 18. Bf4 (18. c4 $5 {[%CAl Rc4d5]} cxd4 19. cxd5 (19. Qxd4 Bxe5 20. Qxe5 Qxe5 $17) 19... Bxe5 20. dxe6) 18... Rac8 19. Qd2 g5 20. Bg3 {Martinez,I (2055)-Daggupati,B (2311) Charlotte 2020 ½-½ (43)}) (5... c5 6. dxc5 Bxc5 7. Nc3 Be7 8. e4 Nxe4 9. Nxe4 dxe4 10. Bxe4) ({RR} 5... Nbd7 6. b3 Be7 7. Bb2 b6 8. Nbd2 Bb7 9. Ne5 c5 10. f4 O-O 11. Qf3 Rc8 12. a3 Rc7 13. Rad1 c4 14. bxc4 dxc4 15. Be4 Bxe4 16. Nxe4 c3 17. d5 cxb2 18. d6 Nc5 19. dxc7 Qxc7 20. Qe2 {Secula,V-Ulrich,H Hamburg 1980 ½-½}) ({RR} 5... Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Nbd2 Qc7 9. c4 b6 10. Rc1 Bb7 11. Qe2 Rfe8 12. a3 e5 13. cxd5 Nxd5 14. g3 Qb8 15. Be4 c5 16. Qd3 N5f6 17. Bxb7 Qxb7 18. dxc5 Nxc5 19. Qe2 e4 20. Nh4 {Rodriguez Vargas,O (2445)-Garcia Padron,J (2410) Cordoba 1995 ½-½}) ({RR} 5... Bd6 6. Nbd2 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bd3 h6 11. c3 Qc7 12. Re1 b6 13. Ne5 Bb7 14. a4 c5 15. Bb5+ Ke7 16. a5 Rhd8 17. a6 Bd5 18. Bf4 Rac8 19. Qd2 g5 20. Bg3 {Martinez,I (2055)-Daggupati,B (2311) Charlotte 2020 ½-½ (43)}) ({RR} 5... Be7 6. Nbd2 Nbd7 7. b3 O-O 8. Bb2 c5 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 f6 12. Qh5 f5 13. Rf3 Rf7 14. Rh3 Nf8 15. Qf3 Qb6 16. c4 d4 17. exd4 cxd4 18. Qf2 Bc5 19. Nf3 Rd7 20. Kh1 {Heredero Gascon,E (1795)-Guzman Pino,D Santa Clara 2017 0-1 (74)}) ({RR} 5... Bd6 6. b3 O-O 7. Bb2 Nbd7 8. Nbd2 Re8 9. Ne5 Nf8 10. Ndf3 Ne4 11. c4 Nf6 12. Ng5 Bxe5 13. dxe5 N6d7 14. Qh5 g6 15. Qh6 Nc5 16. Bc2 b6 17. f4 f5 18. exf6 {1-0 (18) Kareem,A-Turner,K Thessaloniki 1984}) 6. c3 {D05: Colle System with ...e6.} Bg7 7. Nbd2 O-O 8. Re1 $146 {White is slightly better.} (8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7 11. Bf4 Nf6 12. Bc2 Nd5 13. Be5 Bxe5 14. Nxe5 {½-½ (27) Mentz,T (1399)-Foeing,A (1620) Playchess.com INT 2020}) 8... Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bg5 Qb6 13. Bxf6 Bxf6 14. Qb3 Bd7 (14... Rd8 {seems wilder.} 15. Qa3 Qc7 16. Rad1 Be7) 15. Qxb6 axb6 16. g3 Rfd8 17. a3 (17. Ne5 {with more complications.} b5 18. f4 Be8 19. Kf2) 17... Be8 18. Rad1 Kf8 19. h4 h6 (19... h5 {is interesting.} 20. Ne5 b5 21. f4 Rac8) 20. Nh2 Bg7 21. f4 Rac8 {[%CAl Ba8c8,Bc8c7,Bc7d7][%mdl 32]} 22. Bg2 Rc7 23. Nf3 Rcd7 24. Ne5 Bxe5 25. fxe5 c5 {[%CAl Rc5d4]} 26. Re4 Rc7 27. Rf4 Ba4 28. Rd2 Bc6 {Against d5} 29. Bh3 {[#] Strongly threatening Bxe6.} Ke7 30. Rdf2 Be8 31. Rd2 Rcd7 32. Bg2 Rc7 33. Kf2 Bc6 34. Bxc6 bxc6 {[%mdl 4096] Endgame KRR-KRR} 35. Ke3 cxd4+ 36. Rfxd4 Rd5 37. Rxd5 $6 {Inaccuracy. Ke4 was best.} (37. Kf4 {remains equal.}) (37. Ke4) 37... exd5 {KR-KR} 38. Kf4 {[%CAl Bc3c4]} Ke6 39. Re2 $6 {Inaccuracy. Rf2 was best.} (39. b3 $17 {was worth a try.}) (39. Rf2 b5) 39... Ra7 $19 40. Kf3 h5 41. Re3 Ra4 42. Re2 Rg4 $6 {Inaccuracy. c5 was best.} (42... c5 43. Re1 b5 44. Re3 Rg4 45. b3 c4 46. Re1 cxb3 47. Rb1 Rc4 48. Rxb3) 43. b3 g5 $6 {Inaccuracy. c5 was best.} (43... b5 $19 44. Ra2 Kxe5 45. Re2+ Kd6) (43... c5 44. a4 d4 45. cxd4 Rxd4 46. Re3 Kf5 47. Kf2 Rd5 48. Rf3+ Kxe5 49. Rxf7) 44. hxg5 $17 Rxg5 45. Kf4 $4 {Blunder. Rh2 was best.} (45. Rh2 Rf5+) 45... Rf5+ {Weighted Error Value: White=0.19 (very precise) /Black=0.09 (flawless) PRECISÃO LICHESS: BRANCAS 89% PRETAS 95%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.5"] [White "Carlos Frederico B. de Olivei"] [Black "Fucs, Paulo Moses"] [Result "1/2-1/2"] [ECO "A34"] [WhiteElo "1771"] [BlackElo "2060"] [Annotator "Stockfish 16.1"] [PlyCount "82"] [EventDate "2024.??.??"] {[%evp 12,82,0,0,44,34,69,65,71,17,14,19,59,59,96,50,46,25,33,33,43,35,51,41,114,37,46,7,10,0,0,-10,4,4,4,0,0,0,0,0,2,-456,3,0,6,5,5,5,6,0,0,0,0,-7,-8,-7,-12,-12,-37,-112,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 5. Nxd5 Qxd5 6. g3 Nc6 7. Bg2 Qd8 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} (7... Bg4 8. O-O {[%CAl Bd2d4]} Qd7 {Inhibits d4.} 9. d3 e5 10. Be3 Rc8 11. Qa4 Bd6 12. Rfe1 {[%CAl Bh2h3]} b6 13. h3 (13. a3 {remains equal.}) 13... Bf5 (13... Bxh3 $17 14. Bxh3 Qxh3) 14. Ng5 Be7 15. Kh2 h6 16. Ne4 Be6 17. Rab1 O-O 18. a3 f5 19. Nc3 f4 20. Bd2 Bg5 (20... a6 $17) 21. g4 (21. Ne4 $15) 21... Bh4 22. Bxc6 {Fioramonti,H (2330)-Lautier,J (2620) Switzerland 1994 0-1 (35)} (22. Ne4 $17 {keeps fighting.})) (7... g6 8. O-O Bg7 9. Re1 O-O 10. d3 Bg4 11. Rb1 (11. Ng5 Qd8 12. Bd2) 11... Qd7 (11... Qxa2 $17 12. Bd2 Qa6) 12. a3 Rac8 {[%CAl Bc5c4]} 13. b4 cxb4 (13... c4 $5 14. dxc4 Qxd1 15. Rxd1 Bf5 $17) 14. axb4 Nd4 15. Nxd4 Bxd4 16. Qb3 (16. Bb2) 16... Be6 (16... Bc3 17. Bh6 Bxe1 18. Bxf8 Be6) 17. Qa3 $17 Rc3 18. Qa5 b6 19. Qg5 Rfc8 (19... Rc2 $17 20. Be3 Bf6) 20. Bb2 Rc2 (20... R3c7 $5 {[%CAl Re6a2]}) 21. Bxd4 Qxd4 22. Qxe7 {Rodchenkov,V (2330)-Onslow,A (2077) Chess.com INT 2022 0-1 (89)}) ({RR} 7... Bg4 8. O-O Qd7 9. d3 e5 10. Be3 Rc8 11. Qa4 Bd6 12. Rfe1 b6 13. h3 Bf5 14. Ng5 Be7 15. Kh2 h6 16. Ne4 Be6 17. Rab1 O-O 18. a3 f5 19. Nc3 f4 20. Bd2 Bg5 21. g4 Bh4 22. Bxc6 {Fioramonti,H (2330)-Lautier,J (2620) Switzerland 1994 0-1 (35)}) ({RR} 7... g6 8. O-O Bg7 9. Re1 O-O 10. d3 Bg4 11. Rb1 Qd7 12. a3 Rac8 13. b4 cxb4 14. axb4 Nd4 15. Nxd4 Bxd4 16. Qb3 Be6 17. Qa3 Rc3 18. Qa5 b6 19. Qg5 Rfc8 20. Bb2 Rc2 21. Bxd4 Qxd4 22. Qxe7 {Rodchenkov,V (2330)-Onslow,A (2077) Chess.com INT 2022 0-1 (89)}) 8. O-O {[%CAl Bd2d4]} e6 $146 (8... e5 9. b4 $5 (9. d3 Be7 10. Be3 O-O (10... Rb8 11. Rc1 {Qa4 is the strong threat.} b6 12. b4 {Black must now prevent b5.} Nxb4 13. Nxe5 {Threatens to win with a3.} Bd6 (13... O-O $14) 14. Nc4 $16 Bc7 15. d4 {Strongly threatening d5.} b5 (15... Be6 $16 {might work better.}) 16. Ne5 $18 O-O 17. Rxc5 Bd6 18. a3 (18. Qb1) 18... Bxe5 (18... Bxc5 19. axb4 Bd6) 19. dxe5 $18 Na6 20. Qxd8 Rxd8 21. Rc3 Bb7 22. Bxa7 Bxg2 23. Kxg2 {Golcman,E (2290)-Snajdr,J (2002) Plzen 2009 1-0}) 11. Rc1 Qb6 12. Rb1 (12. Qa4) 12... Be6 $15 13. b3 Qc7 14. Rc1 Nd4 $2 (14... b6 $15 {stays ahead.}) 15. Bxd4 exd4 16. Nxd4 Bd7 17. Nf3 Bc6 (17... Qb6) 18. Qc2 Rfe8 (18... Rad8 $16) 19. d4 $18 cxd4 (19... Rad8) 20. Nxd4 $18 Bg5 21. e3 Rac8 22. Nxc6 bxc6 23. Qxc6 {Apresyan,L-Tuitebaeva,D Menorca 1996 ½-½ (46)})) ({RR} 8... e5 9. d3 Be7 10. Be3 O-O 11. Rc1 Qb6 12. Rb1 Be6 13. b3 Qc7 14. Rc1 Nd4 15. Bxd4 exd4 16. Nxd4 Bd7 17. Nf3 Bc6 18. Qc2 Rfe8 19. d4 cxd4 20. Nxd4 Bg5 21. e3 Rac8 22. Nxc6 bxc6 23. Qxc6 {Apresyan,L-Tuitebaeva,D Menorca 1996 ½-½ (46)}) ({RR} 8... e5 9. d3 Be7 10. Be3 Rb8 11. Rc1 b6 12. b4 Nxb4 13. Nxe5 Bd6 14. Nc4 Bc7 15. d4 b5 16. Ne5 O-O 17. Rxc5 Bd6 18. a3 Bxe5 19. dxe5 Na6 20. Qxd8 Rxd8 21. Rc3 Bb7 22. Bxa7 Bxg2 23. Kxg2 {Golcman,E (2290)-Snajdr,J (2002) Plzen 2009 1-0}) 9. d3 Be7 {White is slightly better.} 10. Bd2 $6 {Inaccuracy. Be3 was best.} (10. Be3) 10... O-O 11. Bc3 {Prevents e5.} f6 $146 (11... Qc7 12. a3 Bd7 13. Rc1 Qb6 14. Qd2 Rac8 15. d4 cxd4 16. Nxd4 Rfd8 17. Rfd1 h6 18. Qe1 Be8 19. Bxc6 Bxc6 {1-0 (29) Seliverstov,V (2455)-Kretov,E (2246) Moscow 2016}) 12. d4 Qb6 13. dxc5 Bxc5 14. e3 Rd8 15. Qe2 Bd7 16. a3 Be8 17. b4 Be7 $6 {Inaccuracy. Bf8 was best. [#]} (17... Bf8 18. Nd4 Ne7 19. Bh3 Bf7 20. Nb3 e5 21. Na5 Nc6 22. Rfc1 Nxa5 23. bxa5) 18. Nd4 $6 {Inaccuracy. Qc4 was best.} (18. Qc4 Rd6 19. Rfc1 Nd8 20. Nd4 Rd7 21. Nf5 Rc7 22. Nxe7+ Rxe7 23. Qb3 Rc7) 18... e5 $14 19. Nxc6 Bxc6 20. Qc4+ Kf8 {aiming for ...Bxg2.} 21. Bxc6 Qxc6 (21... Rac8 {with more complications.} 22. Rfc1 Qxc6 23. Qg4 Qc4) 22. Qxc6 bxc6 23. Rfd1 c5 24. bxc5 Bxc5 25. Bb4 Be7 26. Bc5 $4 {[%mdl 8192] Blunder. Bxe7+ was best.} (26. Rxd8+ {and White has nothing to worry.} Rxd8 27. Kg2) (26. Bxe7+ Kxe7 27. Rdc1 Rac8 28. Rxc8 Rxc8 29. Rb1 Kd6 30. Kg2 Rc3 31. Rb7 Rc7) 26... Ke8 $4 {Blunder. Rxd1+ was best.} (26... Bxc5 $19 27. a4 Rac8) (26... Rxd1+ 27. Rxd1 Bxc5 28. a4 Ke7 29. Rb1 Rd8 30. h4 Bd6 31. Rb5 h5 32. Kg2) 27. Bxe7 Rxd1+ 28. Rxd1 Kxe7 {[%mdl 4096] Endgame KR-KR} 29. Rb1 Rd8 30. Kf1 Ke6 31. Rb7 Rd7 32. Rxd7 Kxd7 {KP-KP} 33. Ke2 Kc6 34. Kd3 $1 Kb5 {[#] Hoping for ...Ka4.} 35. Kc3 $4 {Blunder. f4 was best.} (35. f4) 35... e4 $4 {Blunder. Ka4 was best.} (35... Ka4 36. Kb2 e4 37. Ka2 h5 38. Kb2 a5 39. Ka2 g5 40. h3 Kb5 41. Kb3) 36. Kb3 {The position is equal.} f5 37. h4 g6 (37... h5 $5) 38. a4+ Kc5 39. Kc3 h6 40. Kb3 g5 41. hxg5 hxg5 {Weighted Error Value: White=0.35/Black=0.39 PRECISÃO LICHESS: BRANCAS 86% PRETAS 86%} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.6"] [White "Bruno Leonardo do Nasc. Dias"] [Black "Martinelli, Ricardo Rocha"] [Result "1-0"] [ECO "B30"] [WhiteElo "2017"] [BlackElo "1732"] [Annotator "Stockfish 16.1"] [PlyCount "81"] [EventDate "2024.??.??"] {[%evp 9,80,-2,3,-6,7,-24,-22,-25,-7,-14,12,8,29,-39,-2,-28,-18,-45,-39,-40,-12,-86,-66,-119,-107,-112,-68,-97,-97,-95,-98,-129,-135,-173,-148,-188,-189,-192,-144,-194,-146,-183,-174,-187,-187,-177,-165,-161,-87,-157,-98,-91,-78,-103,-85,-130,6,5,59,10,64,9,300,271,537,528,520,532,29996,29997,29997,29997,29999]} 1. e4 c5 2. Nf3 Nc6 3. Be2 e5 4. O-O (4. Bc4 Be7 5. Nc3 Nf6 6. d3 O-O 7. O-O d6 8. a3 Be6 9. Nd5 Nd4 10. Nxf6+ Bxf6 11. c3 Nxf3+ 12. Qxf3 Qe7 13. Qd1 Bg5 14. Bxg5 Qxg5 15. f3 Rae8 16. Qb3 Re7 17. Rae1 b6 18. Bxe6 Rxe6 {Olivier,E (2377)-Snuggles (2507) Playchess.com INT 2008 1-0 (72)}) ({RR} 4. Bc4 Be7 5. Nc3 Nf6 6. d3 O-O 7. O-O d6 8. a3 Be6 9. Nd5 Nd4 10. Nxf6+ Bxf6 11. c3 Nxf3+ 12. Qxf3 Qe7 13. Qd1 Bg5 14. Bxg5 Qxg5 15. f3 Rae8 16. Qb3 Re7 17. Rae1 b6 18. Bxe6 Rxe6 {Olivier,E (2377)-Snuggles (2507) Playchess.com INT 2008 1-0 (72)}) 4... d6 $6 {Inaccuracy. Nf6 was best.} (4... Nf6 5. Nc3 Be7 6. Re1 O-O 7. Bc4 d6 8. d3 Be6 9. Bd2) 5. d3 (5. c3 Bg4 6. d3 Nf6 7. Na3 Be7 8. Nc4 Bxf3 9. Bxf3 b5 10. Ne3 O-O 11. Nf5 g6 12. Ne3 Rc8 13. g4 b4 14. Kh1 a5 15. Rg1 Ne8 16. Nd5 Bh4 17. Bh6 Bg5 18. Bxf8 Kxf8 19. Rg2 Ne7 {Alexander,A (1688)-Carvajal Diaz,A (1378) Internet 2022 1-0 (55)}) ({RR} 5. c3 Bg4 6. d3 Nf6 7. Na3 Be7 8. Nc4 Bxf3 9. Bxf3 b5 10. Ne3 O-O 11. Nf5 g6 12. Ne3 Rc8 13. g4 b4 14. Kh1 a5 15. Rg1 Ne8 16. Nd5 Bh4 17. Bh6 Bg5 18. Bxf8 Kxf8 19. Rg2 Ne7 {Alexander,A (1688)-Carvajal Diaz,A (1378) Internet 2022 1-0 (55)}) 5... Nf6 6. c3 $146 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} (6. h3 h6 7. c3 Be7 8. Be3 {[#]} (8. d4) 8... O-O (8... d5 $1 $17) 9. Nbd2 {[#]} (9. c4) 9... Be6 (9... d5 $1 $17 {[%CAl Rd5d4] Threatens to win with ...d4.} 10. exd5 Nxd5) 10. Nh2 (10. d4 $15) 10... Nh7 (10... d5 $17 {White must now prevent ...d4.} 11. f4 d4 12. cxd4 cxd4) 11. Bg4 Bxg4 12. Qxg4 Bg5 13. Nc4 b5 14. Na3 b4 15. Nc4 a5 16. Nf3 Nf6 (16... Bxe3 {keeps the balance.} 17. fxe3 Nf6) 17. Bxg5 $16 hxg5 18. Qxg5 Nh7 19. Qg3 f6 (19... a4 {keeps fighting.} 20. cxb4 cxb4) 20. Nh4 $18 Ne7 {Staben,T-Sonnenberg,U Mecklenburg VP 2003 1-0 (36)}) (6. Bg5 Be6 7. c3 Be7 (7... h6 $5 {[%CAl Rh6g5]} 8. Bxf6 Qxf6) 8. Nbd2 Qb6 9. Qc2 Rc8 10. h3 a6 11. Nc4 Qc7 12. Ne3 b5 13. Rfd1 O-O 14. Nh2 Nd7 15. f4 exf4 16. Bxf4 Nde5 17. Rf1 Ng6 18. Bg3 $1 Qd7 19. Bg4 Nce5 20. Bf5 Bd8 {Glavan,S (2285)-Tondo,S (1900) Caorle 1989 1-0 (37)}) ({RR} 6. h3 h6 7. c3 Be7 8. Be3 O-O 9. Nbd2 Be6 10. Nh2 Nh7 11. Bg4 Bxg4 12. Qxg4 Bg5 13. Nc4 b5 14. Na3 b4 15. Nc4 a5 16. Nf3 Nf6 17. Bxg5 hxg5 18. Qxg5 Nh7 19. Qg3 f6 20. Nh4 Ne7 {Staben,T-Sonnenberg,U Mecklenburg VP 2003 1-0 (36)}) ({RR} 6. Bg5 Be6 7. c3 Be7 8. Nbd2 Qb6 9. Qc2 Rc8 10. h3 a6 11. Nc4 Qc7 12. Ne3 b5 13. Rfd1 O-O 14. Nh2 Nd7 15. f4 exf4 16. Bxf4 Nde5 17. Rf1 Ng6 18. Bg3 Qd7 19. Bg4 Nce5 20. Bf5 Bd8 {Glavan,S (2285)-Tondo,S (1900) Caorle 1989 1-0 (37)}) 6... Be7 7. Re1 O-O 8. Bf1 {The position is equal.} Bg4 {[%CAl Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 9. h3 Bh5 10. Nbd2 {[%CAl Bb1d2,Bd2c4,Bc4e3,Be3d5][%mdl 32]} h6 11. b3 $6 $146 {Inaccuracy. Nc4 was best.} (11. Nc4 Bg6 (11... b5 12. Ne3 Rb8 13. Nf5 Re8 14. a4 a6 15. Be3 b4 16. a5 bxc3) 12. Ne3 Nh7 13. Nd5 b6 14. g3 f5 15. Bg2 Rc8 16. a4 Kh8 17. Nxe7 Nxe7 18. exf5 Bxf5 {1-0 (47) Menvielle Laccourreye,A (2295)-Prada Rubin,F (2170) Las Palmas 1997}) 11... Nh7 {[%CAl Bf6h7,Bh7g5,Bg5e6,Be6f4][%mdl 32]} 12. g4 Bg6 13. Nc4 b5 14. Ne3 Ng5 15. Nh2 $6 {Inaccuracy. Nd5 was best.} (15. Nd5 Nxf3+) 15... b4 16. Bb2 (16. cxb4 $15 Nxb4 17. Bd2) 16... bxc3 17. Bxc3 Nd4 18. Bxd4 cxd4 (18... exd4 $6 19. Nd5) 19. Nd5 Ne6 20. Bg2 Bg5 21. Nf1 {[%CAl Bh2f1,Bf1g3,Bg3f5][%mdl 32]} Nf4 22. Ng3 Nxd5 23. exd5 Bh4 24. Nf5 Bg5 $6 {Inaccuracy. Rc8 was best. Against Rc1} (24... Rc8 25. Be4 Rc3 26. Rf1 Bh7 27. b4 g6 28. Ng3 f5 29. Bg2 h5 30. Ne2) 25. Be4 $6 {Inaccuracy. b4 was best.} (25. b4) 25... Rc8 26. b4 Bh7 27. a4 g6 28. Ng3 Bh4 (28... Bf4 $19 29. Ne2 Bg5) 29. Rc1 (29. b5) 29... Rxc1 (29... Rc3 30. Bf3 f5) 30. Qxc1 $17 f5 31. Bf3 Bg5 32. Qc6 Qb8 $2 {Mistake. Bd2 was best.} (32... h5 $17 {[%CAl Be5e4] And now ...e4! would win.} 33. gxh5 gxh5) (32... Bd2) 33. b5 {aiming for a5.} Bd2 (33... Qd8) 34. Re2 Bb4 (34... Ba5) 35. Qd7 $6 {Inaccuracy. Rc2 was best.} (35. Rc2 Qd8) 35... Re8 $4 {[%mdl 8192] Blunder. Qd8 was best.} (35... Qd8 36. Qxa7 Bc5 37. Qb7 Rf7 38. Qa6 Ra7 39. Qc6 Rc7 40. Qa6) 36. gxf5 {[%CAl Bg4f5,Bf5g6][%mdl 32] Threatening mate with f6.} Rf8 $2 {Mistake. Qd8 was best.} (36... Qd8 37. Qxd8 (37. Qxa7 Bc5) 37... Rxd8 38. fxg6 Bxg6 39. Be4 Be8 40. Rc2 Bc5 41. f3 Bd7 42. Nh5) 37. Qe6+ $18 Kg7 38. fxg6 Bg8 $4 {Checkmate is now unavoidable. Bxg6 was best.} (38... Bxg6 39. Nh5+) 39. Nh5+ {White mates.} Kh8 40. Qe7 {[%csl Gh5][%CAl Re7g7]} Qc8 41. Qg7# {Weighted Error Value: White=0.28 (precise) /Black=0.60 PRECISÃO LICHESS: BRANCAS 93% PRETAS 84%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.7"] [White "Murillo, Costa Rodrigues Jr"] [Black "Dias, Matheus Braga"] [Result "0-1"] [ECO "B50"] [WhiteElo "1722"] [BlackElo "2011"] [Annotator "Stockfish 16.1"] [PlyCount "70"] [EventDate "2024.??.??"] {[%evp 12,70,0,-14,12,11,34,19,17,18,30,8,9,-25,68,64,62,67,96,88,115,102,117,110,162,1,8,-153,-139,-130,-111,-156,-172,-246,-238,-249,-245,-235,-186,-373,-372,-370,-288,-264,-219,-322,-295,-285,-278,-282,-222,-325,-330,-325,-305,-356,-304,-500,-504,-496,-369]} 1. e4 c5 2. Nf3 d6 3. Be2 Nf6 4. c3 Nc6 5. d3 e6 6. O-O Be7 7. Nbd2 O-O {B50: Sicilian: 2...d6, Miscellaneous.} 8. d4 Qc7 9. Bd3 cxd4 {The position is equal.} 10. cxd4 e5 11. d5 Nb4 12. Bb1 Bg4 $6 {Inaccuracy. a5 was best.} (12... a5) 13. a3 $14 Na6 14. b4 $146 (14. Re1 Rac8 15. h3 Bh5 16. b4 Qd7 17. Bb2 Rc7 18. Nf1 Rfc8 19. Bd3 Nb8 20. Bc1 $16 (20. b5 {1-0 (55) Volas,N (2169)-Pokrajac,M (2028) Belgrade 2003} b6 21. Ng3 Bg6 22. Nh4 Qd8 23. Nhf5 Nbd7 24. a4 Nc5 25. Bb1 (25. Nxe7+ $14 Qxe7 26. Rc1) 25... Nb7 (25... Bf8 $15) 26. Bd3 Nd7 (26... Bxf5 27. Nxf5 g6 28. Nxe7+ Qxe7) 27. Rc1 Ndc5 28. Bf1 (28. Nxe7+ $14 Qxe7 29. Bb1) 28... Bg5 {Volas,N (2169)-Pokrajac,M (2028) Belgrade 2003 1-0 (55)})) ({RR} 14. Re1 Rac8 15. h3 Bh5 16. b4 Qd7 17. Bb2 Rc7 18. Nf1 Rfc8 19. Bd3 Nb8 20. b5 b6 21. Ng3 Bg6 22. Nh4 Qd8 23. Nhf5 Nbd7 24. a4 Nc5 25. Bb1 Nb7 26. Bd3 Nd7 27. Rc1 Ndc5 28. Bf1 Bg5 {Volas,N (2169)-Pokrajac,M (2028) Belgrade 2003 1-0 (55)}) 14... Qd7 15. Re1 Rac8 16. Bb2 Rfd8 17. Bd3 Nh5 (17... Rc7 $16) 18. Nf1 $2 {Mistake. h3 was best. [#]} (18. h3 Nf4 19. Bf1 Bh5 20. Kh2 Bg6 21. Nc4 Nh5 22. Qb3 Nf6 23. Nfd2 Nh5) 18... Nf4 19. Ne3 $4 {Blunder. Bb1 was best.} (19. Bb1 Nc7) 19... Bxf3 $17 20. gxf3 Nc7 21. Nf5 $6 {Inaccuracy. Bf1 was best.} (21. Bf1) 21... g6 22. Nh6+ $6 {Inaccuracy. Ng3 was best.} (22. Ng3 Nh3+) 22... Kg7 $19 23. Ng4 h5 24. Ne3 Bh4 $6 {[%CAl Be7h4,Bh4f2,Bf2b6,Bb6d4][%mdl 32] Inaccuracy. Nh3+ was best.} (24... Nh3+ 25. Kg2 Nb5 26. Bf1 Nc3 27. Qd2 Na4 28. Bc1 Bg5 29. Kh1 Kh7 30. Qe2) 25. Ng2 $4 {Blunder. Bf1 was best.} (25. Bf1) 25... Nh3+ 26. Kf1 Bxf2 $6 {Inaccuracy. Nxf2 was best.} (26... Nxf2 27. Qb3 Nxd3 28. Qxd3 Bxe1 29. Rxe1 Qb5 30. Ke2 Qxd3+ 31. Kxd3 Na8 32. f4) 27. Re2 Bb6 28. Qd2 (28. a4) 28... f6 {[%CAl Bh5h4]} (28... Ng1 29. Re3 Nh3 30. f4 $15) 29. Bc1 {[#] Qh6+ is the strong threat.} g5 30. Qe1 Kf7 (30... Ng1 $2 31. Ne3 Nxe2 32. Nf5+ Kh8 33. Qxe2 $19) 31. Qg3 $6 {Inaccuracy. a4 was best.} (31. a4 Ng1 32. Rf2 Bxf2 33. Qxf2 Nh3 34. Qxa7 Nf4 35. Nxf4 gxf4 36. Ke1 f5) 31... Bd4 32. Rb1 Rg8 33. Be3 Nf4 34. Bxf4 $2 {Mistake. Bxd4 was best.} (34. Bxd4 Nxe2 (34... Nxd3 35. Bb2 Nxb2 36. Rexb2 Nb5 37. Ne3 Rc3 38. Rb3 Rgc8 39. Rxc3 Rxc3) 35. Bxe2) 34... exf4 35. Qe1 Nb5 $2 {Mistake. Qh3 was best. Weighted Error Value: White=0.53/Black=0.26 (precise) PRECISÃO LICHESS: BRANCAS 86% PRETAS 16%} (35... Qh3 36. Rb3 Qxh2 37. Rf2 g4 38. Nxf4 Qxf4 39. Bc4 Nb5 40. fxg4 Rxg4) 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.8"] [White "Pessoa, Vitor Henrique Leop"] [Black "Luiz, Felipe De Moraes"] [Result "1-0"] [ECO "B27"] [WhiteElo "1998"] [BlackElo "1715"] [Annotator "Stockfish 16.1"] [PlyCount "34"] [EventDate "2024.??.??"] {[%evp 20,34,-72,-125,-117,-122,-78,-72,0,0,437,5,15,0,164,-108,0]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. f3 O-O 8. Qd2 d5 9. exd5 $6 {Inaccuracy. O-O-O was best.} (9. O-O-O dxe4 10. Nxc6 Qxd2+ 11. Bxd2 bxc6 12. Nxe4 Nxe4 13. fxe4 Bg4 14. Re1 Be6) 9... Nxd5 10. Nxc6 bxc6 11. Bd4 $6 {Inaccuracy. Nxd5 was best.} (11. Nxd5 Qxd5 (11... cxd5 12. c3 Qa5 13. a3 Ba6 14. Kf2 Rfd8 15. Bxa6 Qxa6 16. Rhe1 e5) 12. Qxd5 cxd5 13. O-O-O) 11... e5 $17 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} 12. Bc5 Re8 {[%CAl Be5e4]} 13. O-O-O Be6 $2 {Mistake. Qa5 was best.} (13... Qa5 14. Nxd5 Qxc5 15. Nc7 Bf5 16. b4 Qb6 (16... Qe7 $17 17. Nxa8 Rxa8) 17. Nxa8 Rxa8 18. Bc4 {Black must now prevent g4.} a5 $2 {[%mdl 8192]} (18... h5) 19. g4 $18 Be6 20. Bxe6 $1 fxe6 21. c3 $2 (21. Qd6 $18) 21... axb4 22. cxb4 e4 {aiming for ...Qa7.} 23. Rhe1 $1 {[%CAl Re1e4]} e3 $2 (23... exf3 24. Rxe6 Rf8) 24. Qd6 $1 $18 {[%CAl Rd6e6]} Kh8 (24... Re8) 25. Rd3 $2 (25. a3 $18) 25... Qa6 $16 26. a3 Qc4+ 27. Kd1 $1 c5 $2 (27... Bf6 $16 {was worth a try.}) 28. Rexe3 {Pinero,C (2284)-Troff,K (2490) chess.com INT 2024 1-0 (56)}) ({RR} 13... Qa5 14. Nxd5 Qxc5 15. Nc7 Bf5 16. b4 Qb6 17. Nxa8 Rxa8 18. Bc4 a5 19. g4 Be6 20. Bxe6 fxe6 21. c3 axb4 22. cxb4 e4 23. Rhe1 e3 24. Qd6 Kh8 25. Rd3 Qa6 26. a3 Qc4+ 27. Kd1 c5 28. Rexe3 {Pinero,C (2284)-Troff,K (2490) chess.com INT 2024 1-0 (56)}) 14. Ne4 $146 (14. Bc4 Qh4 15. Bxd5 cxd5 16. Nxd5 {keeps fighting.} (16. Kb1 Qc4 (16... Rec8 17. Ba3 (17. Bf2 Qc4 18. Qd3 d4 19. Qxc4 Bxc4 20. Ne4 Rc6 21. Rhe1 (21. c3 f5 22. Nd2 Bd3+ 23. Ka1 dxc3 24. bxc3 Rxc3 25. Nb3 $19 (25. Nb1 e4 26. Kb2 Rb8+ {0-1 (26) Khamdamova,A (2327)-Bernat,D (1862) Chess.com INT 2024}))) 17... Qc4 18. Qe2) 17. Nxd5 Qxc5) 16... Qc4 17. Ne7+ Kh8 18. Qa5) ({RR} 14. Bc4 Qh4 15. Bxd5 cxd5 16. Kb1 Rec8 17. Bf2 Qc4 18. Qd3 d4 19. Qxc4 Bxc4 20. Ne4 Rc6 21. c3 f5 22. Nd2 Bd3+ 23. Ka1 dxc3 24. bxc3 Rxc3 25. Nb1 e4 26. Kb2 Rb8+ {0-1 (26) Khamdamova,A (2327)-Bernat,D (1862) chess.com INT 2024}) 14... Qe7 $146 {Blunder. Qc7 was best.} (14... Qc7 15. Bd6 Qb6 16. Bc5 Qc7) ({RR} 14... Qc7 15. Kb1 Red8 {½-½ (15) Hoffmann,J-Overbeck,C Wiesbaden 2000}) ({RR} 14... Qc7 15. Kb1 h6 16. Bc4 Rad8 17. Bb3 Rd7 18. Qf2 f5 19. Nc3 Red8 20. Ka1 Bf7 21. Nb1 Qb7 22. g3 a5 23. a4 Nb4 24. Bxf7+ Kxf7 25. Rxd7+ Qxd7 26. Na3 Qd5 27. b3 e4+ 28. Kb1 Qd1+ {0-1 (28) Limbu,C (1755)-Muniz Pardino,A (2103) Hong Kong 2013}) ({RR} 14... f5 15. Nd6 Qh4 16. g3 Qa4 17. Bc4 Reb8 18. Ba3 Nc7 19. Bb3 Bxb3 20. axb3 Qa6 21. Rhe1 Rd8 22. Qb4 Ne6 23. Qh4 Rd7 24. Nc4 Rad8 25. Rxd7 Rxd7 26. Kb1 Qb5 27. g4 Nd4 28. Qg3 f4 29. Qf2 {Sanchez Repullo,D-Garcia,S Asturias 1996 0-1 (35)}) 15. Qa5 $4 {Blunder. Bxe7 was best.} (15. Bxe7 Nxe7 (15... Rxe7 16. Bc4 a5 17. a4 Rb7 18. b3 Rb4 19. c3 Rb6 20. Rhe1 Rb7) 16. Kb1) 15... Qd8 16. Qd2 Qc8 $4 {Blunder. Qc7 was best.} (16... Qc7) 17. Nc3 $4 {Blunder. Nd6 was best.} (17. Nd6 Qc7 (17... Qb8 18. Nxe8 Qxe8 19. Bc4 a5 20. Rhe1 a4 21. Bd6 e4 22. Rxe4 a3) 18. Nxe8 Rxe8 19. Bc4) 17... Qd8 $6 {[%mdl 32768] Inaccuracy. Nxc3 was best. Weighted Error Value: White=1.46/Black=1.35. Loss on time!? PRECISÃO LICHESS: BRANCAS 74% PRETAS 70%} (17... Qc7 $17 18. Ne4 Rad8) (17... Nxc3) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.9"] [White "Waldefran, Clementino Chagas"] [Black "Jorge Ant. Torres Chaves"] [Result "0-1"] [ECO "B22"] [WhiteElo "1712"] [BlackElo "1985"] [Annotator "Stockfish 16.1"] [PlyCount "77"] [EventDate "2024.??.??"] {[%evp 9,77,21,50,54,93,98,100,35,71,41,80,79,80,74,77,66,89,64,129,45,45,50,91,30,25,25,48,42,116,3,72,-26,-12,-12,-4,-10,0,-5,-3,-6,0,0,24,16,35,30,59,62,169,59,156,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 a6 (5... e5 6. Nf3 exd4 7. Qxd4 Nf6 8. Nc3 Qe6+ 9. Be2 Nc6 10. Qe3 Be7 11. O-O O-O 12. h3 a6 13. Rd1 h6 14. Qxe6 Bxe6 15. Be3 Rac8 16. Nd4 Nxd4 17. Bxd4 Bc5 18. Bf3 Bxd4 19. Rxd4 Rc7 20. Rad1 g5 21. a4 Kg7 22. Rb4 Bc8 23. Rd6 Re7 24. Kh2 {[%CAl Bd6f6] Black must now prevent Rxf6!} Rfe8 25. a5 {[%CAl Bd6f6]} h5 26. Rxf6 Kxf6 27. Nd5+ Kg6 28. Nxe7+ Rxe7 29. Rb6+ f6 30. b4 (30. g4 $5 {[%CAl Rg4h5]}) 30... g4 31. hxg4 hxg4 32. Bd5 Kg5 33. Rd6 f5 34. Rd8 Rh7+ 35. Kg1 {Mamedov,R (2646)-Wang,H (2722) Baku 2022 ½-½}) (5... e6 6. a3 (6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 Nf6 {Inhibits Qg4.} 9. Nf3 {Prevents e5.} O-O {[%CAl Be6e5]} 10. Bd3 b6 11. Bg5 (11. c4 $16 Qd8 12. a4) 11... Nbd7 12. O-O Bb7 13. c4 Qc6 (13... Qd6) 14. Re1 $14 h6 15. Bh4 Rac8 16. Rc1 Rfe8 17. Bf1 Ne4 18. Ne5 (18. Nd2 $14 Nxd2 19. Qxd2) 18... Nxe5 $15 19. dxe5 Qc5 {[%CAl Be8d8]} 20. Qc2 {De Souza,F (1276)-Mesquita,G (1975) Florianopolis BRA 2024 0-1}) 6... Nc6 7. Nf3 Nf6 8. Nc3 Qd8 9. Bc4 Bd6 10. O-O O-O 11. Re1 h6 12. h3 Ne7 13. Ne5 Bd7 14. Bf4 {[%CAl Be5f7]} Bc6 15. Qd2 Ned5 (15... Nfd5 {remains equal.}) 16. Nxd5 (16. Bxh6 $1 $16 {Qg5 is the strong threat.} Nxc3 17. Qg5) 16... Nxd5 17. Bxh6 gxh6 18. Bxd5 Bxe5 19. Rxe5 Bxd5 20. Qxh6 {Li,S (2474)-Liang,C (2581) Wijk aan Zee 2001 ½-½}) ({RR} 5... e6 6. a3 Nc6 7. Nf3 Nf6 8. Nc3 Qd8 9. Bc4 Bd6 10. O-O O-O 11. Re1 h6 12. h3 Ne7 13. Ne5 Bd7 14. Bf4 Bc6 15. Qd2 Ned5 16. Nxd5 Nxd5 17. Bxh6 gxh6 18. Bxd5 Bxe5 19. Rxe5 Bxd5 20. Qxh6 {Li,S (2474)-Liang,C (2581) Wijk aan Zee 2001 ½-½}) ({RR} 5... e6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 Nf6 9. Nf3 O-O 10. Bd3 b6 11. Bg5 Nbd7 12. O-O Bb7 13. c4 Qc6 14. Re1 h6 15. Bh4 Rac8 16. Rc1 Rfe8 17. Bf1 Ne4 18. Ne5 Nxe5 19. dxe5 Qc5 20. Qc2 {De Souza,F (1276)-Mesquita,G (1975) Florianopolis BRA 2024 0-1}) 6. Nc3 {B22: Sicilian: 2 c3.} Qd6 7. Nf3 Nf6 8. h3 $146 {[#]} (8. Bd3 {[%eval 108,0] 8.g3} g6 9. Be3 Bg7 10. Qd2 O-O 11. O-O Nc6 12. Bf4 Qd8 13. Bc4 Bg4 14. Ne5 (14. d5 Bxf3 15. gxf3) 14... Nxe5 (14... Qxd4 $17 15. Nxc6 Qxc4 16. Nxe7+ Kh8) 15. Bxe5 b5 16. Bb3 Bc8 17. Rac1 Bb7 18. Rfd1 Qd7 19. d5 Rac8 20. d6 exd6 21. Qxd6 Qxd6 22. Bxd6 Rfe8 {Binder,N-Koeller,H (1718) Ditzingen 2014 ½-½ (52)}) (8. g3 $16 e6 9. Bg2 Be7 10. Bf4 Qb6 11. Qd2 (11. Ne5 $16) 11... Nc6 12. O-O O-O 13. Rfd1 Nb4 (13... Rd8 {keeps the balance.}) 14. Ne5 $16 Nbd5 15. Nc4 (15. Bg5 $5 {[%CAl Rg2d5]}) 15... Qd8 16. Nxd5 Nxd5 17. Bxd5 exd5 18. Ne3 $2 {[%mdl 8192] [#]} (18. Ne5 $15) 18... g5 $1 {0-1 (18) Opalic,D (1683)-Florjancic,R (1872) Sentjur 2013}) ({RR} 8. g3 e6 9. Bg2 Be7 10. Bf4 Qb6 11. Qd2 Nc6 12. O-O O-O 13. Rfd1 Nb4 14. Ne5 Nbd5 15. Nc4 Qd8 16. Nxd5 Nxd5 17. Bxd5 exd5 18. Ne3 g5 {0-1 (18) Opalic,D (1683)-Florjancic,R (1872) Sentjur 2013}) ({RR} 8. Bd3 g6 9. Be3 Bg7 10. Qd2 O-O 11. O-O Nc6 12. Bf4 Qd8 13. Bc4 Bg4 14. Ne5 Nxe5 15. Bxe5 b5 16. Bb3 Bc8 17. Rac1 Bb7 18. Rfd1 Qd7 19. d5 Rac8 20. d6 exd6 21. Qxd6 Qxd6 22. Bxd6 Rfe8 {Binder,N-Koeller,H (1718) Ditzingen 2014 ½-½ (52)}) 8... h6 $146 (8... g6 9. Bc4 Bg7 10. O-O O-O 11. a4 $14 (11. Ne2 b5 12. Bb3 Bb7 13. Qd3 Nbd7 14. Bf4 Qb6 15. Rfd1 e6 16. Ne5 Rfd8 17. Qe3 a5 $15 (17... Nd5 18. Bxd5 Bxd5 19. Nc3 Bb7 20. Rac1 Rac8 21. Ne2 {½-½ (21) Poetzsch Heffter,F (1598)-Leubner,P (1407) Willingen 2021}) 18. Nc3 a4)) 9. Bd3 e6 10. O-O Be7 11. Be3 Nc6 12. Rc1 Nb4 13. Bb1 Bd7 $6 {Inaccuracy. b5 was best.} (13... b5) 14. Qd2 $6 {Inaccuracy. Ne5 was best.} (14. Ne5 Nbd5 15. Nc4 Qc7 16. Nxd5 Nxd5 17. Ne5 Qd8 18. Qg4 Bf6 19. Bd2 Ne7) 14... Nbd5 $14 {Prevents Bf4.} 15. Ne5 b5 16. Ne4 $6 {Inaccuracy. Nxd5 was best.} (16. Qd3 $16) (16. Nxd5 Qxd5) 16... Nxe4 17. Bxe4 Rd8 18. a3 Bf6 $6 {Inaccuracy. Nxe3 was best.} (18... Nxe3 19. fxe3 O-O 20. Bb1 f5 21. Ba2 Kh7 22. Qb4 Bc8 23. Qxd6 Bxd6 24. Rc6) 19. Nd3 $6 {Inaccuracy. Bxd5 was best.} (19. Bxd5 Qxd5 20. Rc5 Qe4 21. f3 Qb7 22. Rfc1 Bxe5 23. dxe5 O-O 24. Rc7 Qd5) 19... Bc6 $6 {Inaccuracy. O-O was best.} (19... O-O) 20. Qa5 $2 {Mistake. Bf4 was best.} (20. Bf4 Qd7 21. Nc5) 20... Ba8 21. Nc5 O-O 22. Bf3 Nxe3 23. fxe3 Bg5 24. Rc3 Bxf3 25. Rxf3 Ra8 26. Ne4 Qd5 27. Nxg5 hxg5 28. Rc5 Qa2 $6 {Inaccuracy. Qd8 was best.} (28... Qd8 29. Qxd8 Rfxd8 30. Rxg5 Rac8 31. Rc5 Kf8 32. e4 Rxc5 33. dxc5 Ke7 34. Rc3) 29. Qc3 $6 {Inaccuracy. Rxg5 was best.} (29. Rxg5 Qxb2 30. Qc7 Qb1+ 31. Kh2) 29... f6 $6 {Inaccuracy. Qb1+ was best. [#]} (29... Qb1+ 30. Kh2 f6 31. Rg3 Qe4 32. Rg4 Qb7 33. h4 Qb8+ 34. Kg1 gxh4 35. Rh5) 30. e4 $2 {Mistake. Qc2 was best.} (30. Qc2 Ra7 31. Kh2 Rd7 32. Rf2 Re7 33. Rd2 Qa1 34. Rd1 Qa2 35. e4 Rfe8) 30... Qb1+ {The position is equal.} 31. Rf1 {[%CAl Bf3f1,Bf1e1,Be1e6][%mdl 32]} Qxe4 32. Re1 Qg6 33. Rxe6 Rfe8 34. d5 g4 35. hxg4 Qxg4 36. Qe3 Rxe6 37. dxe6 Re8 38. Rc6 a5 39. e7 {[%mdl 32768] Weighted Error Value: White=0.28 (precise) /Black=0.24 (precise) . Loss on time!? PRECISÃO LICHESS: BRANCAS 90% PRETAS 91%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.10"] [White "Israel, Flavio Feliciano Ol"] [Black "Flavio C. Balod"] [Result "1-0"] [ECO "A57"] [WhiteElo "1967"] [BlackElo "1709"] [Annotator "Stockfish 16.1"] [PlyCount "55"] [EventDate "2024.??.??"] {[%evp 15,55,110,110,28,17,12,51,8,6,0,28,-17,-2,-21,6,11,35,42,43,-13,3,-12,56,-10,-5,-2,255,205,286,299,333,329,387,173,346,282,334,339,333,284,368,354]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 g6 5. e4 d6 6. cxb5 Bg7 7. Nc3 O-O 8. Nf3 a6 9. bxa6 $6 {Inaccuracy. a4 was best. A57: Benko/Volga Gambit.} (9. a4 Ne8 (9... e6) 10. Ra3 Nd7 11. Be2 axb5 12. Nxb5 Nc7 13. O-O Na6 (13... Ba6 $16 14. Bd2 Nb6) 14. Bd2 $18 Nb6 15. Bc3 Bg4 16. Bxg7 Kxg7 17. Nfd4 Bxe2 18. Nc6 Qd7 19. Qxe2 Nb4 20. a5 Nc8 $2 (20... N6xd5 $16 21. exd5 Nxd5) 21. Nxb4 $18 cxb4 22. Raa1 Na7 23. Nd4 Rfc8 24. h3 Rc5 25. Nb3 Rc7 26. Rfc1 Rac8 27. Rxc7 Rxc7 28. a6 h5 29. Ra5 Rc8 30. h4 Qc7 31. Qe3 Kh7 32. g3 Kg8 33. Ra1 Qd7 34. Qb6 Nb5 35. a7 Nxa7 36. Qxa7 Qg4 37. Qxe7 Rc2 38. Ra8+ {1-0 (38) Aronian,L (2782)-Abdusattorov,N (2634) chess24.com INT 2021} (38. Qe8+ Kg7 39. Ra8 Qd1+ 40. Kg2 Rxf2+ 41. Kxf2 Qc2+ 42. Ke3 Qxb3+ 43. Kf4)) 9... Nxa6 (9... e6 10. dxe6 Bxe6 11. Be2 Nxa6 12. O-O Nb4 13. Qb1 d5 14. a3 dxe4 15. Ng5 Nd3 16. Nxe6 fxe6 17. Nxe4 Nxc1 18. Nxf6+ Qxf6 19. Qxc1 Qxb2 20. Qxb2 Bxb2 21. Ra2 Bd4 22. Bc4 Rfb8 23. Bxe6+ Kg7 24. a4 {Dobrov,V (2511)-Tregubov,P (2625) Paris 2014}) ({RR} 9... e6 10. dxe6 Bxe6 11. Be2 Nxa6 12. O-O Nb4 13. Qb1 d5 14. a3 dxe4 15. Ng5 Nd3 16. Nxe6 fxe6 17. Nxe4 Nxc1 18. Nxf6+ Qxf6 19. Qxc1 Qxb2 20. Qxb2 Bxb2 21. Ra2 Bd4 22. Bc4 Rfb8 23. Bxe6+ Kg7 24. a4 {Dobrov,V (2511)-Tregubov,P (2625) Paris 2014}) 10. Bc4 (10. Be2 Nb4 11. Qd1 Ba6 (11... e6) 12. Bxa6 Rxa6 13. O-O Nd7 (13... c4 $14) 14. Qe2 Ra8 15. Bf4 Qb6 16. a3 Na6 17. e5 dxe5 18. Nxe5 Nxe5 19. Bxe5 Bxe5 20. Qxe5 Qd6 (20... Rfe8 $16) 21. Rfe1 Rfb8 (21... Qxe5 {is a better defense.} 22. Rxe5 Rfe8) 22. Qxe7 Qxe7 23. Rxe7 Rxb2 24. Rd1 (24. d6 $18) 24... Kf8 {Derjabin,I (2353)-Wagner,D (2572) Chess.com INT 2021 1-0 (67)}) ({RR} 10. Be2 Nb4 11. Qd1 Ba6 12. Bxa6 Rxa6 13. O-O Nd7 14. Qe2 Ra8 15. Bf4 Qb6 16. a3 Na6 17. e5 dxe5 18. Nxe5 Nxe5 19. Bxe5 Bxe5 20. Qxe5 Qd6 21. Rfe1 Rfb8 22. Qxe7 Qxe7 23. Rxe7 Rxb2 24. Rd1 Kf8 {Derjabin,I (2353)-Wagner,D (2572) Chess.com INT 2021 1-0 (67)}) 10... Bg4 $146 {[#]} (10... Nb4 11. Qb1 (11. Qe2 Bg4 12. O-O (12. a3 $5 {[%CAl Ra1b1]}) 12... Nd7 13. Bf4 Qc8 (13... f5) 14. a3 $14 Bxf3 15. gxf3 Na6 16. Bg5 f6 17. Bh4 Ne5 18. f4 Nxc4 19. Qxc4 g5 20. Bg3 h5 (20... f5 $14) 21. f3 $16 h4 22. Be1 gxf4 23. Ne2 Bh6 (23... Nc7 $16) 24. Bd2 $18 Kh8 25. Bxf4 {Gryson,W (1951)-Van de Velde,K (2149) Ghent 2007 1-0 (35)}) 11... Bg4 (11... Qa5 12. O-O Ba6 13. Bxa6 Qxa6 14. Rd1 Rfb8 15. Ne1 (15. a4 $15) 15... Nd7 (15... Ng4 $19 16. Bg5 Bd4) 16. Bd2 {Hoping for a3.} Ne5 {Threatens to win with ...Nbd3.} 17. Bg5 $2 (17. Bf4 $17 Nc4 18. e5 dxe5 19. Bg3) 17... Nc4 (17... c4 $1 $19 {aiming for ...Nbd3.} 18. a3 Nbd3) 18. a3 $17 Nc6 (18... Nxb2 $1 $17 {[%mdl 512]} 19. axb4 Qxa1 20. Qxa1 Bxc3 21. bxc5 Nxd1 22. Qxd1 Ra1 23. Qxa1 Bxa1) 19. Qc1 $2 (19. dxc6 $15 Bxc3 20. Qd3 Bxb2 21. Rab1) 19... Nd4 $1 $19 20. Rb1 (20. Ra2 {was necessary.} Qb7 21. Nd3) 20... Rb3 $19 {[%CAl Bb3c3] Strongly threatening ...Rxc3!} 21. Kh1 (21. Rxd4 Bxd4 22. Ne2 Bxb2 23. Qd1 Rxa3 24. g3) 21... Nxa3 {[%CAl Ra6f1]} 22. Nf3 Nxf3 23. gxf3 Nxb1 24. Nxb1 Rxb2 25. Nd2 {Messenger,R (1895)-Friedel,J (2171) Northwood 2000 0-1}) 12. Nd2 e6 $1 13. dxe6 (13. h3 exd5 14. Nxd5) 13... Bxe6 (13... d5 $17 14. Bb5 Bxe6) 14. O-O (14. a3 $15 Nc6 15. O-O) 14... Ng4 (14... d5 $17 15. Nxd5 Nfxd5 16. exd5 Nxd5) 15. Be2 (15. a3 $5 {[%CAl Ra3b4]} Nc6 16. h3) 15... f5 (15... Ne5 $15) 16. Bc4 $2 (16. a3 Nc6 17. exf5 Bxf5 18. Nde4) 16... Bxc4 $17 17. Nxc4 f4 $1 18. h3 $2 (18. Nd2 $17) 18... Nxf2 $2 (18... Bd4 $1 $19 19. hxg4 (19. Ne2 Bxf2+) 19... Qh4) 19. Rxf2 Bd4 20. Nd1 Qh4 21. Kf1 $2 {[%mdl 8192]} (21. a3 {and White has nothing to worry.} Nc6 22. Qa2) 21... Bxf2 $19 22. Nxf2 f3 23. g4 d5 24. exd5 Qg3 25. Ne3 {Dubeck,M (2335)-Hirt,S Baden 1992 0-1 (39)}) ({RR} 10... Nb4 11. Qb1 Qa5 12. O-O Ba6 13. Bxa6 Qxa6 14. Rd1 Rfb8 15. Ne1 Nd7 16. Bd2 Ne5 17. Bg5 Nc4 18. a3 Nc6 19. Qc1 Nd4 20. Rb1 Rb3 21. Kh1 Nxa3 22. Nf3 Nxf3 23. gxf3 Nxb1 24. Nxb1 Rxb2 25. Nd2 {Messenger,R (1895)-Friedel,J (2171) Northwood 2000 0-1}) ({RR} 10... Nb4 11. Qb1 Bg4 12. Nd2 e6 13. dxe6 Bxe6 14. O-O Ng4 15. Be2 f5 16. Bc4 Bxc4 17. Nxc4 f4 18. h3 Nxf2 19. Rxf2 Bd4 20. Nd1 Qh4 21. Kf1 Bxf2 22. Nxf2 f3 23. g4 d5 24. exd5 Qg3 25. Ne3 {Dubeck,M (2335)-Hirt,S Baden 1992 0-1 (39)}) ({RR} 10... Nb4 11. Qe2 Bg4 12. O-O Nd7 13. Bf4 Qc8 14. a3 Bxf3 15. gxf3 Na6 16. Bg5 f6 17. Bh4 Ne5 18. f4 Nxc4 19. Qxc4 g5 20. Bg3 h5 21. f3 h4 22. Be1 gxf4 23. Ne2 Bh6 24. Bd2 Kh8 25. Bxf4 {Gryson,W (1951)-Van de Velde,K (2149) Ghent 2007 1-0 (35)}) 11. h3 $146 {White is slightly better.} (11. Qe2 Nd7 (11... Nb4 12. a3 $16 (12. O-O Nd7 (12... Bxf3 13. gxf3 Nd7 14. f4 $16 (14. Bf4 Qc8 15. a3 $14 (15. Bg5 Ne5 16. Kg2 Nxc4 17. Qxc4 {½-½ (79) Alahakoon,I (1874)-Perera,G (1426) Colombo 2023} Qb7 (17... f6 $5 {[%CAl Rf6g5]} 18. Be3 f5 $15) 18. Rac1 h6 19. Be3 {[#]} (19. Bd2) 19... Qa6 $1 $17 20. Qxa6 Rxa6 21. a3 Nd3 22. Rc2 Rb8 23. Rb1 Rab6 (23... Rb3 $17) 24. b4 $1 Ra6 25. Rd2 (25. Kf1 {keeps the balance.}) 25... c4 26. Rxd3 cxd3 27. Rb3 Bxc3 28. Rxc3 Rba8 29. Rxd3 (29. Bc1 $17) 29... Rxa3 $19 30. Rd4 g5 31. Rc4 Rb3 32. Rc7 Kf8 33. Rb7 f6 34. b5 h5 (34... Ra1 $19 {White must now prevent ...Re1.} 35. b6 Rd1) 35. b6 $17 Rc8 36. Kg3 {[#]} Ke8 (36... Kf7 $1 $17) 37. h4 $15 Rcc3 38. hxg5 fxg5 39. Bxg5 Rxf3+ 40. Kg2 Rf7 {Alahakoon,I (1874)-Perera,G (1426) Colombo 2023 ½-½ (79)}) 15... Na6 16. Bg3))))) 11... Bxf3 12. gxf3 Nb4 13. Qe2 Nd7 {Threatening ...Ne5.} 14. f4 {Against Ne5} Nb6 (14... f5 $5 {[%CAl Rf5e4]}) 15. Bb5 e6 16. dxe6 fxe6 17. Be3 (17. O-O $14) 17... Qc8 18. a3 d5 $6 {Inaccuracy. Nc6 was best.} (18... Nc6 19. Qd3) 19. Rd1 $6 {Inaccuracy. O-O was best.} (19. O-O) 19... d4 20. axb4 dxc3 $4 {[%mdl 8192] Blunder. cxb4 was best.} (20... cxb4 21. Rxd4 (21. Bxd4 Bxd4 22. Rxd4 bxc3 $15) 21... Bxd4 22. Bxd4 Rd8) 21. bxc3 (21. Bxc5 $6 cxb2 22. O-O (22. Bxb6 Qc3+ 23. Kf1 Qxb4) 22... Na4 $16) 21... cxb4 $6 {Inaccuracy. Na4 was best.} (21... Na4 22. Bd7) 22. Bxb6 Bxc3+ 23. Kf1 Rxf4 24. Bc4 $4 {Blunder. Bd7 was best.} (24. Bd7 Qf8 25. Bxe6+ Kh8 26. Bd5) 24... Kh8 $2 {Mistake. Qc6 was best.} (24... Qc6 25. Be3) 25. Bd3 (25. Rd8+ Qxd8 26. Bxd8 Rxd8 27. Bxe6 Bd4 $18) 25... e5 26. Be3 Rf8 27. Kg2 Qd8 28. Bc4 $138 {Weighted Error Value: White=0.46/Black=0.62 PRECISÃO LICHESS: BRANCAS 90% PRETAS 82%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.11"] [White "Otavio, De Souza Laba"] [Black "Israel Sanches Marcellino"] [Result "1-0"] [ECO "E60"] [WhiteElo "1907"] [BlackElo "1594"] [Annotator "Stockfish 16.1"] [PlyCount "61"] [EventDate "2024.??.??"] {[%evp 11,61,41,97,92,92,78,106,109,115,109,105,46,116,5,7,9,137,97,201,182,214,215,323,314,305,298,331,304,319,316,294,217,334,281,264,251,242,154,329,312,326,334,332,329,328,328,436,441,473,-138,444,436]} 1. d4 Nf6 2. c4 g6 3. h4 d6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 (6... c5 $14) 7. d5 $1 $16 {E73: King's Indian: Averbakh Variation without 6...c5.} (7. dxe5 {[%eval 87,0] 7.d5} dxe5 8. Qxd8 Rxd8 9. h5 c6 10. Bg5 Na6 11. Nf3 Nc5 12. hxg6 (12. h6 $5 {[%CAl Rh6g7]} Bh8 13. O-O (13. Nxe5 Re8 $15)) 12... hxg6 13. Rh4 Ne6 14. Be3 Nd4 15. Nxd4 exd4 16. O-O-O Ng4 (16... c5 $15 17. e5 Nd7) 17. Bxg4 Bxg4 18. Rxg4 dxe3 19. fxe3 Bxc3 20. bxc3 Rxd1+ 21. Kxd1 Re8 22. Kc2 Re5 23. Rf4 Ra5 24. Kb3 Kf8 25. Rh4 Kg7 26. Rf4 $1 Rg5 27. Rf2 Kf8 28. Kc2 Ke7 29. Kd3 b6 30. Kd4 Ke6 31. Kd3 f6 32. Rd2 Ra5 33. Rf2 Rh5 34. Rb2 Ra5 35. Rf2 Ra4 36. g4 Ra5 {Vachier Lagrave,M (2778)-Carlsen,M (2863) chess24.com INT 2020 ½-½ (61)}) 7... h5 {Inhibits g4.} 8. Bg5 {[%CAl Bc1g5,Bg5e3,Be3f2][%mdl 32]} (8. Nh3 Nh7 9. Ng5 Nd7 10. Be3 Ndf6 {Inhibits g4.} 11. f3 Nxg5 (11... c6 $16 12. c5 cxd5 13. exd5 dxc5) 12. hxg5 $18 Nh7 13. Qd2 f6 14. gxf6 Bxf6 15. g3 $1 Qe7 16. O-O-O Bg7 17. Rdg1 Bd7 18. Kb1 Rf7 19. g4 hxg4 20. fxg4 Raf8 21. g5 Rf4 22. Bxf4 (22. Bd3 $18 {is more deadly.}) 22... exf4 {Vitiugov,N (2722)-Antipov,M (2584) Chess.com INT 2020 1-0 (41)}) ({RR} 8. Nh3 Nh7 9. Ng5 Nd7 10. Be3 Ndf6 11. f3 Nxg5 12. hxg5 Nh7 13. Qd2 f6 14. gxf6 Bxf6 15. g3 Qe7 16. O-O-O Bg7 17. Rdg1 Bd7 18. Kb1 Rf7 19. g4 hxg4 20. fxg4 Raf8 21. g5 Rf4 22. Bxf4 exf4 {Vitiugov,N (2722)-Antipov,M (2584) Chess.com INT 2020 1-0 (41)}) 8... Qe8 {[#]} (8... Nbd7 9. Nf3 Nc5 10. Nd2 a5 11. f3 Qd7 12. Qc2 c6 (12... Nh7) 13. O-O-O $16 cxd5 (13... a4 $16 {might work better.}) 14. cxd5 $18 Qc7 15. Nb5 Qb8 16. Be3 (16. Nc4 $18) 16... Bd7 $16 17. Nxd6 (17. Nb1 $16) 17... Qxd6 $4 {[%mdl 8192]} (17... Na6 $1 {and Black has nothing to worry.}) 18. Bxc5 $18 Qb8 {Threatens to win with ...Rc8.} 19. Bxf8 Bxf8 20. Kb1 Qa7 (20... b5 21. Qc3 a4) 21. g4 (21. Nc4 $18) 21... a4 (21... b5 $16 22. g5 Ne8) 22. Nc4 $1 $18 Rc8 23. Qd2 {Daakshin,A (2274)-Lenoir Ibacache,G (2228) chess.com INT 2024 1-0 (34)}) ({RR} 8... Nbd7 9. Nf3 Nc5 10. Nd2 a5 11. f3 Qd7 12. Qc2 c6 13. O-O-O cxd5 14. cxd5 Qc7 15. Nb5 Qb8 16. Be3 Bd7 17. Nxd6 Qxd6 18. Bxc5 Qb8 19. Bxf8 Bxf8 20. Kb1 Qa7 21. g4 a4 22. Nc4 Rc8 23. Qd2 {Daakshin,A (2274)-Lenoir Ibacache,G (2228) chess.com INT 2024 1-0 (34)}) 9. f3 $146 {White is better.} (9. Bxf6 Bxf6 10. g4 $1 hxg4 11. Bxg4 Kg7 12. Bxc8 (12. h5 Rh8 13. Qf3 Rh6 (13... Bxg4 $16 14. Qxg4 Qd7) 14. O-O-O (14. Bxc8 $18 Qxc8 15. Nge2) 14... Bxg4 $16 15. Qxg4 Qd7 16. Qg2 (16. Qf3 $16) 16... Na6 $1 $14 17. Nge2 Rah8 18. Ng3 Kf8 19. hxg6 fxg6 20. Qf3 Qf7 21. Qg4 {Inhibits Bg5+.} Nc5 (21... Bh4 {keeps the balance.} 22. Kb1 Bxg3 23. Rxh6 Rxh6 24. Qxg3 Qf4) 22. Rxh6 (22. Qc8+ $1 $16 Qe8 23. Qxc7) 22... Rxh6 23. Qc8+ Kg7 {Terho,J-Lardot,D (2011) Finland 2002 1-0 (62)}) 12... Qxc8 13. Qf3 Rh8 14. Qg3 $2 (14. h5 $16 {is necessary to keep the advantage.} Rh6 15. hxg6 Rxg6 16. Nge2) 14... Rh5 $17 15. O-O-O Bg5+ (15... Na6 $17) 16. Kb1 $1 Bf4 17. Qf3 Qh8 (17... Nd7) 18. Nge2 (18. Qg4 $5 {[%CAl Rg1e2]}) 18... Qh6 (18... Nd7 $14) 19. Rdg1 (19. c5 $16) 19... Nd7 20. Ng3 Rxh4 $2 {[%mdl 8192]} (20... Bxg3 $16 21. fxg3 a6) 21. Rxh4 {1-0 (21) Von Otte,W (2095)-Eschweiler,M (1803) Friedrichroda 2014}) (9. Qd2 Kh7 (9... Ng4) (9... Nh7 10. Be3 Na6 11. Nh3 f5 (11... Bd7 12. O-O-O Nc5 13. f3 f5 14. exf5 gxf5 15. Rdg1 Na4 16. Nxa4 $1 $18 {Nc3 is the strong threat.} (16. Rd1 f4 (16... Nc5 {½-½ (16) Kacprzak,K (2238)-Sieciechowicz,M (2383) Bydgoszcz 2022}) 17. Bf2 Nxc3 18. bxc3 Bh6) 16... Bxa4 17. g3)) 10. f3 $16 Na6 11. Nh3 Nc5 12. O-O-O a6 13. Bxf6 (13. Nf2 $18) 13... Bxf6 $16 14. Ng5+ Kh8 15. g4 {aiming for gxh5.} Bg7 16. gxh5 gxh5 17. Rdg1 {[%CAl Bg5h7] Strongly threatening Nh7!} f6 18. Nh3 Kh7 {And now ...Bxh3 would win.} 19. Kb1 {Hoping for Qd1.} Bh6 $2 (19... Bxh3 $16 20. Rxh3 Bh6) 20. Qd1 $2 (20. Ng5+ $1 $18 {[%mdl 512]} fxg5 21. hxg5) 20... Bxh3 $14 21. Rxh3 {[%CAl Bf3f4] Black must now prevent f4!} Bf4 22. Rhh1 Qf7 23. Bf1 Be3 {Seiffert,R-Pakulla,R Jena 1953 ½-½}) ({RR} 9. Bxf6 Bxf6 10. g4 hxg4 11. Bxg4 Kg7 12. Bxc8 Qxc8 13. Qf3 Rh8 14. Qg3 Rh5 15. O-O-O Bg5+ 16. Kb1 Bf4 17. Qf3 Qh8 18. Nge2 Qh6 19. Rdg1 Nd7 20. Ng3 Rxh4 21. Rxh4 {1-0 (21) Von Otte,W (2095)-Eschweiler,M (1803) Friedrichroda 2014}) ({RR} 9. Qd2 Kh7 10. f3 Na6 11. Nh3 Nc5 12. O-O-O a6 13. Bxf6 Bxf6 14. Ng5+ Kh8 15. g4 Bg7 16. gxh5 gxh5 17. Rdg1 f6 18. Nh3 Kh7 19. Kb1 Bh6 20. Qd1 Bxh3 21. Rxh3 Bf4 22. Rhh1 Qf7 23. Bf1 Be3 {Seiffert,R-Pakulla,R Jena 1953 ½-½}) ({RR} 9. Bxf6 Bxf6 10. g4 hxg4 11. Bxg4 Kg7 12. h5 Rh8 13. Qf3 Rh6 14. O-O-O Bxg4 15. Qxg4 Qd7 16. Qg2 Na6 17. Nge2 Rah8 18. Ng3 Kf8 19. hxg6 fxg6 20. Qf3 Qf7 21. Qg4 Nc5 22. Rxh6 Rxh6 23. Qc8+ Kg7 {Terho,J-Lardot,D (2011) Finland 2002 1-0 (62)}) 9... Nh7 10. Be3 f5 11. exf5 $6 {Inaccuracy. Qd2 was best.} (11. g4 $16) (11. Qd2) 11... gxf5 $6 {Inaccuracy. Bxf5 was best.} (11... Bxf5 12. g4 (12. Qd2) 12... e4 13. gxf5 exf3 14. Nxf3 Qxe3) 12. Qd2 $2 {Mistake. Nh3 was best.} (12. Nh3 b6 13. Qd2 a5 14. O-O-O a4 15. a3 Na6 16. Qc2 Bd7 17. Nb5 Qe7) 12... f4 13. Bf2 Nf6 $6 {Inaccuracy. Qg6 was best.} (13... Qg6 14. Rh2 Bf5) 14. Nh3 a6 $6 {Inaccuracy. Bxh3 was best.} (14... Bxh3 15. gxh3 (15. Rxh3 Qg6 16. Kf1 Bh6 17. Bd3 Qg7 18. Bf5 Kh8 19. Qc2 Rg8 20. Ke2) 15... e4 16. fxe4 Nbd7) 15. Bd3 Nbd7 {[%CAl Be5e4]} 16. Ng5 {Inhibits e4.} Nc5 $6 {Inaccuracy. e4 was best.} (16... Qe7 {is a better defense.} 17. Ne6 Nc5) (16... e4) 17. Bxc5 $18 dxc5 18. Qc2 Bd7 19. Bf5 {Against e4} e4 20. Bxd7 Qxd7 21. Ncxe4 $6 {Inaccuracy. O-O-O was best.} (21. Ngxe4 $6 Nxe4 22. Nxe4 Qf5 $16) (21. O-O-O Rae8 22. Rhe1 e3 23. Ne2 b5 24. Ne6 Rxe6 25. dxe6 Qxe6 26. Nxf4 Qf7) 21... Rfe8 $6 {Inaccuracy. Nxe4 was best.} (21... Nxe4 22. Nxe4 Bd4 23. O-O-O b5 24. Ng5 Qf5 25. Ne6 Be3+ 26. Kb1 Qxc2+ 27. Kxc2) 22. Ne6 Nxe4 23. Qxe4 (23. fxe4 $6 Rxe6 24. dxe6 Qxe6 $16) 23... Bxb2 24. Qg6+ $6 {Inaccuracy. Rb1 was best.} (24. Rb1 Bc3+ 25. Kf1 b5 26. Qxf4 Qh7 27. Rd1 Kh8 28. Rh3 Rg8 29. Rh2 b4) 24... Kh8 $2 {Mistake. Qg7 was best.} (24... Qg7 25. Qxg7+ Bxg7 26. O-O-O Rab8 27. Rhe1 b5 28. Re4 Rb6 29. cxb5 axb5 30. Kb1) 25. Qxh5+ Qh7 26. Qxh7+ Kxh7 27. Rb1 Bc3+ 28. Kf2 Rac8 $6 {Inaccuracy. Ra7 was best.} (28... Ra7 29. Rhc1 Bd2 30. Rc2 Be3+ 31. Kf1 c6 32. Re1 cxd5 33. Nxf4 d4 34. Nd5) 29. Rxb7 Ba5 30. Nxc7 $4 {Blunder. Nxf4 was best.} (30. Nxf4 Rb8 31. Rxb8 Rxb8 32. Nd3 Bc3 33. f4 a5 34. Kf3 Rb4 35. Nxb4 cxb4) 30... Re7 $4 {[%mdl 8192] Blunder. Rxc7 was best.} (30... Rxc7 31. Rxc7+ Bxc7) 31. d6 {Weighted Error Value: White=0.58/Black=0.72 PRECISÃO LICHESS: BRANCAS 79% PRETAS 75%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.12"] [White "Moises, Hiroshi Ogawa Akiam"] [Black "Sergio, Murilo Soares Guima"] [Result "1-0"] [ECO "E30"] [BlackElo "1905"] [Annotator "Stockfish 16.1"] [PlyCount "69"] [EventDate "2024.??.??"] {[%evp 9,69,-16,41,-95,-105,-119,-122,-119,14,-15,-14,-8,220,225,234,227,418,425,378,208,218,218,207,213,255,214,241,232,317,221,402,391,433,432,428,431,430,426,428,425,450,438,444,431,663,661,1269,1197,1300,1017,946,905,29989,29990,29991,797,29988,29987,29984,29985,29992,29992]} 1. d4 Nf6 {[%CAl Bg8f6,Bf6e4,Be4d2][%mdl 32]} 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. dxc5 Qa5 $6 {Inaccuracy. Bxc3+ was best.} (5... h6 6. Bf4 Qa5 7. Bd2 Qxc5 8. e3 Bxc3 9. Bxc3 Ne4 {[#]} (9... Nc6 $14) 10. Qc2 $2 (10. Qg4 $1 $18 {[%CAl Rg4e4]} Nxc3 11. Qxg7) 10... Nxc3 11. Qxc3 O-O 12. Nf3 b6 13. Be2 Bb7 14. O-O d5 15. Rac1 dxc4 16. Qxc4 Qxc4 17. Rxc4 Ba6 18. Rc2 Bxe2 19. Rxe2 Nc6 20. Rd1 Rfd8 21. Red2 Kf8 22. Kf1 Ke7 23. Ke2 Rxd2+ 24. Rxd2 Rd8 25. Rxd8 Kxd8 26. Kd2 Kd7 27. Kc3 Kd6 28. Nd4 Nxd4 29. Kxd4 b5 30. b4 e5+ 31. Kd3 Kd5 {½-½ (31) Ren,X (2266)-Xiao,Y (2331) Tianjin 2018}) (5... Nc6 {[%eval -38,0] 5...?xc3+} 6. Nf3 Bxc3+ 7. bxc3 Qa5 8. Bxf6 gxf6 9. e3 (9. g3) 9... Qxc5 $15 10. Nd4 {½-½ (10) Ksieski,Z (2403)-Bischoff,K (2564) Forchtenberg 2003}) (5... Na6 6. Qc2 Nxc5 {next ...Nce4 is good for Black.} 7. Nf3 Nce4 8. Bd2 Nxd2 9. Nxd2 Qa5 10. e3 (10. Rc1) 10... Bxc3 $17 11. bxc3 Qg5 (11... b6 $17) 12. g3 d6 13. Bg2 Qg6 14. Qa4+ Bd7 15. Qb4 O-O 16. O-O (16. Qxb7 Rfb8 17. Qf3) 16... Bc6 $1 $15 17. Rfd1 d5 (17... Rfd8 $15) 18. Nf3 a5 19. Qb2 Qh5 20. Nd4 {Bryakin,M (2479)-Thilakarathne,G (2337) Novi Sad SRB 2024 0-1 (32)}) (5... Bxc3+ 6. bxc3 Qa5 7. Nf3 Ne4 8. Be3 Na6 9. g3 Naxc5 10. Bg2) ({RR} 5... Nc6 6. Nf3 Bxc3+ 7. bxc3 Qa5 8. Bxf6 gxf6 9. e3 Qxc5 10. Nd4 {½-½ (10) Ksieski,Z (2403)-Bischoff,K (2564) Forchtenberg 2003}) ({RR} 5... Na6 6. Qc2 Nxc5 7. Nf3 Nce4 8. Bd2 Nxd2 9. Nxd2 Qa5 10. e3 Bxc3 11. bxc3 Qg5 12. g3 d6 13. Bg2 Qg6 14. Qa4+ Bd7 15. Qb4 O-O 16. O-O Bc6 17. Rfd1 d5 18. Nf3 a5 19. Qb2 Qh5 20. Nd4 {Bryakin,M (2479)-Thilakarathne,G (2337) Novi Sad SRB 2024 0-1 (32)}) 6. Qc2 $2 {Mistake. Bd2 was best. [#] E30: Nimzo-Indian: Leningrad Variation.} (6. Bd2 Bxc5 7. a3 Qd8 8. g3 Nc6 9. Nf3 O-O 10. Bg2 d5) 6... Ne4 $146 (6... Bxc3+ 7. bxc3 Ne4 8. Bd2 Nxd2 9. Qxd2 Qxc5 10. e3 O-O 11. Nf3 Nc6 12. Nd4 Ne5 13. Qe2 {0-1 (35) Kaminskii,I (1336)-Chen,M Da Qing 2019}) ({RR} 6... Bxc3+ 7. bxc3 Ne4 8. Bd2 Nxd2 9. Qxd2 Qxc5 10. e3 O-O 11. Nf3 Nc6 12. Nd4 Ne5 13. Qe2 d5 14. Nb3 Qxc4 15. Qxc4 Nxc4 16. Bxc4 dxc4 17. Nd2 b5 18. a4 Bd7 19. axb5 Bxb5 20. Ke2 a6 21. Rhb1 {Kaminskii,I (1336)-Chen,M Da Qing 2019 0-1 (35)}) 7. Bd2 Nxd2 8. Qxd2 {Black is better.} Qxc5 $2 {Mistake. Bxc3 was best.} (8... Bxc3 9. Qxc3 (9. bxc3) 9... Qxc3+ 10. bxc3 Na6) 9. e4 Nc6 10. Nf3 {Against Qd4} Na5 $4 {Blunder. Qa5 was best.} (10... O-O) (10... Qa5 11. Rc1 Bxc3 12. Qxc3 b6 13. Qxa5 Nxa5 14. Kd2 Ke7 15. Ke3 Bb7 16. Nd4) 11. a3 $18 Bxc3 12. Qxc3 Qc7 $2 {Mistake. Nc6 was best.} (12... Nc6 13. b4 (13. Qxg7 Qf8 14. Qc3 Rg8 15. g3 Qg7 16. Qd2 d6 17. Rd1 e5 18. Qxd6) 13... Qf8) 13. Qxg7 Rf8 14. Qxh7 $2 {Mistake. Ng5 was best.} (14. Ng5 Nb3 15. Nxh7 Qa5+ 16. Ke2 Qd2+ 17. Kf3 Kd8 18. Qxf8+ Kc7 19. Qb4 Qxb2) 14... Nb3 15. Rd1 Qa5+ 16. Nd2 d6 $6 {Inaccuracy. Qe5 was best.} (16... Qe5 17. Qh6 Qxb2 18. Nxb3 Qxb3 19. Qc1 Qb6 20. Be2 Qa5+ 21. Kf1 b6 22. h4) 17. Bd3 Bd7 18. Qh6 Ba4 19. O-O {Threatens to win with Bc2.} Nc5 $6 {Inaccuracy. Nd4 was best.} (19... Qe5) (19... Nd4 20. Rde1 e5 21. b4 Qc7 22. Qf6 Qe7 23. Qxe7+ Kxe7 24. Nb1 a5 25. Nc3) 20. b4 Qc7 21. bxc5 Bxd1 22. Rxd1 Qxc5 23. a4 Qa3 24. Bc2 Qb2 25. Bb3 a6 26. c5 Kd7 $6 {Inaccuracy. Rh8 was best.} (26... Rh8 27. Qe3 (27. Qg5 Qe5 28. Qxe5 dxe5 29. Nc4 Ke7 30. c6 bxc6 31. Nxe5 Kf6 32. f4) 27... Qe5) 27. cxd6 {[%CAl Bb3e6] Intending Bxe6+! and mate.} Rh8 28. Qg5 {White threatens Qe7+ and mate.} Rae8 {Prevents Qe7+.} 29. Qc5 {[%csl Gd6][%CAl Rc5c7]} Rc8 {Against Qc7+} 30. Qb6 Qf6 $2 {Checkmate is now unavoidable. Ke8 was best.} (30... Ke8 31. Qxb7 Kf8 32. Qxc8+ Kg7 33. Qc7 Qe5 34. Nf3 Qf6 35. e5 Qf4 36. d7) 31. Qxb7+ Kd8 32. Qb6+ $4 {Lost forced checkmate sequence. e5 was best.} (32. e5 Qg5 33. d7 (33. Nf3 Qxg2+ 34. Kxg2 Rg8+ 35. Kf1 Rc5 36. d7 Rd5 37. Bxd5 exd5) 33... Rc3 34. Qb8+ Ke7 35. Qxh8 Kxd7 36. Nf3+ Qd2 37. Rxd2+ Kc6 38. Qc8+ Kb6 39. Qxc3 a5 40. Rd7 f5 41. Qd4+ Kc6 42. Qd6#) 32... Kd7 33. a5 {White mates.} Ke8 34. d7+ Ke7 $2 {Checkmate is now unavoidable. Kf8 was best.} (34... Kf8 35. dxc8=Q+ Kg7 36. Qcc7 Re8 37. Nf1 Re7 38. Qg3+ Qg6 39. Qd4+ f6 40. Qc5) 35. dxc8=Q {Weighted Error Value: White=0.31/Black=0.88 PRECISÃO LICHESS: BRANCAS 93% PRETAS 86%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.13"] [White "Luis Felipe, Garcia de Oliveira"] [Black "Adam Meyer"] [Result "1-0"] [ECO "B00"] [WhiteElo "1874"] [Annotator "Stockfish 16.1"] [PlyCount "117"] [EventDate "2024.??.??"] {[%evp 9,117,7,16,-5,21,-50,18,23,19,32,47,42,46,45,78,39,52,56,54,62,95,74,94,91,68,45,64,-15,-27,-6,100,48,80,42,71,40,45,41,45,-67,-65,-84,-78,-71,-69,-80,-71,-78,-47,-149,-77,-80,0,0,0,0,0,-5,0,0,10,0,0,6,6,3,22,17,22,15,12,20,452,426,403,371,472,478,575,507,546,546,633,629,678,607,678,651,675,624,688,677,785,777,732,714,826,824,820,819,810,780,766,726,760,716,766,753,775,715]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. f4 exd4 5. Qxd4 Nc6 6. Bb5 {[%CAl Bf1b5,Bb5a4,Ba4b3][%mdl 32] B07: Pirc Defence: Miscellaneous Systems.} (6. Qd1 Be7 7. Nf3 O-O 8. Bd3 Re8 9. O-O Bf8 (9... Nb4) 10. h3 g6 (10... Nb4 $14) 11. Be3 $2 (11. Bd2 $16) 11... Bg7 $2 (11... d5 $1 $15 12. e5 d4 13. Bxd4 Nxd4 14. exf6 Qxf6) 12. Bf2 $1 $16 Nh5 13. Ne2 (13. Bh4 $18 Qd7 14. f5) 13... Bxb2 $14 14. Rb1 Bg7 15. g4 (15. Qd2 $14) 15... Nf6 16. Ng3 Nxg4 $2 (16... a6 {and Black has nothing to worry.}) 17. hxg4 $18 Bxg4 18. Kg2 Qf6 (18... d5 $16 {was necessary.}) 19. Qd2 d5 20. Nd4 $4 {[%mdl 8192]} (20. exd5 $18 {avoids the disaster.} Bxf3+ 21. Kxf3 Ne5+ 22. Kg2 Nxd3 23. Qxd3) 20... Nxd4 $19 21. e5 $2 (21. Bxd4 Qxd4 22. e5) 21... Bf3+ $19 22. Kh3 Qe6+ 23. Kh2 Qg4 24. Be1 Bh6 25. Be4 dxe4 26. Qxd4 Rad8 27. Qg1 Bxf4 {0-1 (27) Truskavetsky,A (2348)-Plat,V (2528) Chess.com INT 2024}) 6... Bd7 7. Qd3 {[#]} (7. Qf2 g6 (7... Qe7) 8. Nf3 $16 Bg7 9. Bd2 O-O 10. O-O-O a6 11. Bxc6 Bxc6 12. Rhe1 Re8 {[%CAl Rc6e4]} 13. e5 Ng4 14. Qg3 Nh6 15. Ne4 Nf5 16. Qf2 Bxe4 17. Rxe4 dxe5 18. Bc3 Nd6 19. Rxe5 $1 Qd7 20. Qd4 Qc6 21. Rxe8+ Nxe8 {Kotronias,V (2570)-Jansa,V (2525) Gausdal 1995 1-0 (61)}) (7. Bxc6 {[%eval 14,0] 7.?e3} Bxc6 8. Nf3 g6 (8... Nxe4 $5 9. Nxe4 Qe7) 9. Nd5 (9. f5) 9... Bg7 $17 10. O-O O-O 11. Nxf6+ Qxf6 12. Qd3 (12. Qxf6 $15 Bxf6 13. e5) 12... Rfe8 13. Re1 (13. e5 $17 dxe5 14. fxe5) 13... Qe7 14. e5 Rad8 15. exd6 Qxd6 (15... Qf8 $19 16. Bd2 Rxd6) 16. Rxe8+ $17 Bxe8 17. Qxd6 Rxd6 18. Kf2 $2 (18. Be3 $1 $15) 18... Rd1 $19 19. Ke2 Rd6 $2 (19... Rh1 $19 20. c3 Bc6) 20. c3 $2 (20. Be3 $1 $15) 20... Bb5+ $19 21. Ke1 Re6+ {Schut,H (2091)-Bulmaga,I (2394) chess.com INT 2024 0-1 (35)}) (7. Qe3) ({RR} 7. Qf2 g6 8. Nf3 Bg7 9. Bd2 O-O 10. O-O-O a6 11. Bxc6 Bxc6 12. Rhe1 Re8 13. e5 Ng4 14. Qg3 Nh6 15. Ne4 Nf5 16. Qf2 Bxe4 17. Rxe4 dxe5 18. Bc3 Nd6 19. Rxe5 Qd7 20. Qd4 Qc6 21. Rxe8+ Nxe8 {Kotronias,V (2570)-Jansa,V (2525) Gausdal 1995 1-0 (61)}) ({RR} 7. Bxc6 Bxc6 8. Nf3 g6 9. Nd5 Bg7 10. O-O O-O 11. Nxf6+ Qxf6 12. Qd3 Rfe8 13. Re1 Qe7 14. e5 Rad8 15. exd6 Qxd6 16. Rxe8+ Bxe8 17. Qxd6 Rxd6 18. Kf2 Rd1 19. Ke2 Rd6 20. c3 Bb5+ 21. Ke1 Re6+ {Schut,H (2091)-Bulmaga,I (2394) chess.com INT 2024 0-1 (35)}) 7... Nb4 $146 {Inaccuracy. a6 was best.} (7... a6 8. Bc4 Nb4 (8... d5 9. Nxd5 (9. exd5 Nb4 $15) 9... Nxd5 10. Bxd5 (10. exd5 Nb4 $15 (10... Qe7+ 11. Kf2 Nb4 $15)) (10. Qxd5 Qh4+ 11. Kf1 (11. g3 Qe7 $17) 11... Be6 $17) 10... Bc5 (10... Nb4 11. Qe2 Qh4+ 12. g3) 11. Be3 $16)) (7... Be7 8. Nf3 O-O 9. a3 a6 10. Bxc6 Bxc6 11. O-O Re8 12. Bd2 Bf8 13. Rae1 d5 {0-1 (37) Lauridsen,J (2215)-Koellner,R (2428) Chess.com INT 2021} 14. e5 $1 Ne4 15. Nd4 Nxd2 16. Nxc6 (16. Qxd2 $14 Bc5 17. Kh1) 16... bxc6 17. Qxd2 Rb8 18. b4 c5 19. Qxd5 cxb4 20. Qxd8 (20. axb4 $15 Rxb4 21. Qf3) 20... Rexd8 $19 21. axb4 Bxb4 22. Rf3 a5 23. Kf1 Rd2 (23... a4 {...a3 is the strong threat.} 24. Rb1 a3) 24. Re2 $17 Rbd8 25. Ne4 (25. g3) 25... Rd1+ $17 26. Kf2 a4 27. c3 Bf8 28. f5 (28. Ra2 $17 {is a better defense.} a3 29. Re3) 28... a3 29. e6 Rb8 $2 (29... fxe6 $19 30. fxe6 Ra8) 30. exf7+ $2 {[%mdl 8192]} (30. f6 $15 fxe6 31. f7+ Kh8 32. Ng5) 30... Kxf7 $19 {And now ...h6 would win.} 31. Ng5+ (31. Rfe3 {might work better.}) 31... Kg8 $19 32. f6 gxf6 33. Ne4 Rb2 34. Nxf6+ Kg7 35. Ne8+ Kg8 36. Nf6+ Kh8 {Strongly threatening ...Bc5+.} 37. Rg3 {Lauridsen,J (2215)-Koellner,R (2428) Chess.com INT 2021 0-1} (37. Ne4 Be7 38. Rf5)) ({RR} 7... g6 8. Nf3 Bg7 9. O-O O-O 10. a3 Re8 11. Bd2 Re7 12. Rae1 Qf8 13. e5 dxe5 14. fxe5 Ng4 15. Bg5 Rxe5 16. Nxe5 Qc5+ 17. Kh1 Ncxe5 18. Qe2 c6 19. Ba4 Nxh2 20. Rf4 Neg4 21. Qe7 Qxe7 22. Rxe7 {Rodrigues,L (2161)-Ferreira,G (1711) Pocos de Caldas 2022 1-0}) ({RR} 7... Be7 8. Be3 Nb4 9. Qe2 c6 10. Bd3 O-O 11. Nf3 Nxd3+ 12. cxd3 Ng4 13. Bc1 Bf6 14. O-O Qb6+ 15. Kh1 Rfe8 16. h3 Nh6 17. Qf2 Qxf2 18. Rxf2 Kh8 19. Bd2 Bd8 20. g4 f6 21. Rg2 Nf7 22. Rf1 {Stanford,S (2166)-Rautanen,S (1913) Vammala 2005 1-0 (50)}) ({RR} 7... g6 8. Nf3 Bg7 9. O-O O-O 10. h3 Re8 11. a3 a6 12. Bc4 Qe7 13. Ng5 Rf8 14. Bd2 b5 15. Ba2 h6 16. Nf3 Rae8 17. Rae1 Qd8 18. e5 dxe5 19. fxe5 Nh7 20. Qxg6 Be6 21. Bxe6 Rxe6 22. Qg4 {Gerola,F (2141)-Koellner,R (2430) Chess.com INT 2022 0-1 (66)}) 8. Qe2 {[%CAl Be1c1,Be4e5] Black should prevent e5! White wants to play e5! The position is equal.} c6 9. Ba4 a5 10. a3 Na6 {[%CAl Bf6e4,Bd6d5]} 11. Nf3 Bg4 12. O-O $6 {Inaccuracy. Be3 was best.} (12. Be3 Nd7 13. O-O-O Be7 14. h3 Bxf3 15. gxf3 Nac5 16. Rhg1 O-O 17. h4 Kh8) 12... Be7 {[%CAl Bf7f5]} 13. Be3 O-O 14. Bb3 Nc5 15. Bxc5 dxc5 16. Rad1 Qb6 {[%CAl Bh6f5]} 17. Kh1 $6 {Inaccuracy. Bc4 was best.} (17. Bc4) 17... Rad8 {[%CAl Bc5c4]} 18. h3 $6 {Inaccuracy. e5 was best. [#]} (18. e5 Rxd1 19. Rxd1) 18... Nh5 $1 {[%CAl Bg4h2] Hoping for ...Bh2!} 19. Qf2 {Against Ng3+} Bc8 $6 {Inaccuracy. Be6 was best.} (19... Be6) 20. Ne5 (20. Ng5 $16) 20... Be6 21. Qf3 Bxb3 22. cxb3 Nf6 23. Na4 Qc7 24. Ng4 $6 {Inaccuracy. Nd3 was best.} (24. Nd3 Nd7) 24... Nxg4 $15 25. Qxg4 Rxd1 26. Rxd1 Rd8 {Prevents Rd7.} 27. e5 Rd4 28. Nc3 h6 $6 {Inaccuracy. g6 was best.} (28... g6 29. Qf3 Qd7 30. Rxd4 Qxd4 31. g3 c4 32. bxc4 Qxc4 33. Qe2 Qd4 34. Ne4) 29. e6 $2 {Mistake. Rf1 was best.} (29. Rf1 Qd8 30. Re1 g6 31. e6 Bh4 32. g3 Bf6 33. Ne4 h5 34. Qf3 fxe6) 29... Rxd1+ $6 {Inaccuracy. Qxf4 was best.} (29... Rxf4 30. Qe2 fxe6 31. Qxe6+ Kh7 32. Ne4 $15) (29... Qxf4 30. Qxf4 Rxf4) 30. Nxd1 $17 fxe6 $6 {Inaccuracy. Qd6 was best.} (30... Qd6 31. exf7+ Kxf7) 31. Qxe6+ {[%mdl 4096] Endgame KQB-KQN} Kf8 32. Qf5+ Bf6 33. Nc3 {[%CAl Bd1c3,Bc3e4,Be4d6][%mdl 32]} b6 34. Ne4 Qe7 $6 {Inaccuracy. Qd8 was best.} (34... Qd8 35. Nxf6 gxf6 36. a4 Qd4 37. Qc8+ Kf7 38. Qc7+ Kg6 39. Qxb6 Qd1+ 40. Kh2) 35. Qc8+ $6 {Inaccuracy. Nxf6 was best.} (35. Nxf6) 35... Kf7 36. Qxc6 Bxb2 37. a4 Qe6 38. Nd6+ Kg8 39. Qc8+ (39. Qxb6 $2 Qe1+ 40. Kh2 Bd4 41. Qd8+ Kh7 $19) 39... Qxc8 40. Nxc8 {KB-KN} Bd4 $4 {[%mdl 8192] Blunder. b5 was best.} (40... b5 41. axb5 c4 42. bxc4 a4 43. Ne7+ Kf7) 41. Nxb6 $18 Kf7 42. g4 Ke6 43. Kg2 {White is clearly winning.} Kd6 $6 {Inaccuracy. Bc3 was best.} (43... Bc3 44. Kf3 c4 45. Nxc4 Kd5 46. Ke3 Bb4 47. Kd3 Kc5 48. Ne3 Be1 49. Nf5) 44. Kf3 Kc6 45. Nc4 Kd5 46. Nxa5 Bc3 47. Nc4 Kc6 48. Ke4 Bf6 49. a5 Kb5 50. Kd5 Bh4 51. Nd6+ Kxa5 52. Kxc5 Bg3 53. f5 Bf2+ 54. Kd5 Kb4 55. Ke6 Bh4 56. Kf7 Bf6 57. Ne8 Be5 58. Nxg7 Kxb3 59. Kg6 {Weighted Error Value: White=0.22 (precise) /Black=0.42 PRECISÃO LICHESS: BRANCAS 95% PRETAS 90%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.14"] [White "Fillipe, Fernandes Rodrigues"] [Black "Marcelo, Dos Santos Silva"] [Result "1-0"] [ECO "A13"] [WhiteElo "2060"] [BlackElo "1967"] [Annotator "Stockfish 16.1"] [PlyCount "73"] [EventDate "2024.??.??"] {[%evp 9,73,10,10,7,41,24,33,-2,60,-23,-21,-21,-24,-33,-8,-35,-31,-34,71,10,7,-24,-24,-19,-6,-49,-54,-62,-65,-152,-148,-158,-111,-137,-69,-88,-59,-91,94,118,126,23,19,34,33,-221,-207,-215,132,-195,-207,-183,403,378,366,366,723,714,699,697,639,564,29993,29994,29994,29993]} 1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Be7 5. f4 (5. d4 d5 6. Nh3 O-O 7. O-O c6 8. Rb1 a5 9. a3 dxc4 10. b3 cxb3 11. Qxb3 Kh8 12. Rd1 Nd5 13. Nf4 Na6 14. e4 fxe4 15. Nxe4 Nac7 16. Nc5 a4 17. Qc2 Nxf4 18. Bxf4 Nd5 19. Be5 b6 20. Nxa4 b5 21. Nc3 Rxa3 22. Nxd5 cxd5 23. Rxb5 Ba6 24. Rbb1 Bc4 25. Rb2 Bf6 26. Bf4 Qd7 27. Bh3 Be7 28. Re1 Rxf4 29. Bxe6 Qd6 30. gxf4 Qxf4 31. Qf5 Bd6 32. Qxf4 Bxf4 33. Bf5 g6 34. Bg4 Kg7 {Robson,R (2670)-Shahinyan,D (2429) Chess.com INT 2019 1-0}) (5. e4 fxe4 6. Nxe4 O-O 7. Nxf6+ Bxf6 8. Ne2 d5 9. Qb3 c6 10. O-O Qb6 11. Qc2 Na6 12. d3 Nb4 13. Qb3 Na6 14. Qa4 Qb4 15. Qc2 Bd7 16. Rb1 Qd6 17. a3 e5 18. b4 Bf5 19. cxd5 cxd5 {Uhlmann,W (2505)-Pytel,K (2400) Leningrad 1984 0-1 (51)}) ({RR} 5. e4 fxe4 6. Nxe4 O-O 7. Nxf6+ Bxf6 8. Ne2 d5 9. Qb3 c6 10. O-O Qb6 11. Qc2 Na6 12. d3 Nb4 13. Qb3 Na6 14. Qa4 Qb4 15. Qc2 Bd7 16. Rb1 Qd6 17. a3 e5 18. b4 Bf5 19. cxd5 cxd5 {Uhlmann,W (2505)-Pytel,K (2400) Leningrad 1984 0-1 (51)}) 5... O-O 6. Nf3 {[#] A10: English Opening: Unusual Replies for Black.} Ne4 $146 (6... c6 {[%CAl Bb7b5]} 7. O-O d5 8. cxd5 exd5 9. d4 (9. e3 $14) 9... Nbd7 10. Qc2 Ne4 11. Nxe4 fxe4 12. Ne5 Qe8 13. Bd2 Nf6 (13... Nxe5 $15 14. fxe5 Bf5) 14. b4 (14. Qb3) 14... Qh5 $17 15. e3 Ng4 $1 16. Nxg4 Bxg4 17. Rf2 Rf6 (17... a6 $17 18. Re1 g5) 18. Bc3 (18. Qb3 $15) 18... Raf8 19. Qc1 (19. Qb3 $17) 19... g5 $19 20. Qf1 gxf4 21. Rxf4 {Merges,H-Loof,K Lahnstein 1999 0-1}) (6... d6 7. O-O a5 8. Rb1 Ne4 9. Qc2 Nxc3 10. bxc3 Nc6 (10... Qe8 11. e4 $16 (11. Ba3 e5 $14 (11... Qh5 12. Nd4 c6 {1-0 (29) Mayer,H (1827)-Kirves,M (1631) Berlin 2018} 13. e4 fxe4 {is a better defense.} (13... Nd7 14. Nxe6 Rf6 15. Nc7 Rh6 16. h3 $18 {is the narrow road to win.} (16. Nxa8 Qxh2+ $19 (16... Nf6 17. h3 $18 {and life is good for White.} (17. e5 Qxh2+ 18. Kf2 Ng4+ $1 19. Ke1 (19. Kf3 dxe5 20. Rbe1 $19 (20. fxe5 Nxe5+ 21. Ke2 {Mayer,H (1827)-Kirves,M (1631) Berlin 2018 1-0} Qxg2+ 22. Rf2 Qxg3 23. Bxe7 Re6 (23... Qg4+ 24. Ke1 Rh1+ 25. Rf1 Rh2 26. d4 Rxc2 27. Rf2 Nd3+ 28. Kf1 Rxf2#) 24. Qxf5 $19 {[%csl Ge7,Gf2][%CAl Rf5f8]} Ng6+ 25. Kf1 {[%CAl Bf5f8] Intending Qf8+! and mate.} Rf6 $4 {[%mdl 8192] Against Qf8+} (25... Re1+ $3 $19 {[%mdl 512]} 26. Rxe1 Bxf5 27. Rxf5 Qh3+ 28. Ke2 Qxf5) 26. Qxc8+ $18 Kf7 27. Rxf6+ gxf6 28. Qc7 $2 (28. Qf5 $1 $18 Nxe7 29. Qxh7+ Qg7 30. Qh3) 28... Qxc7 $4 {[%mdl 8192]} (28... Qd3+ {and Black stays safe.} 29. Kg2 Nh4+ 30. Kh2 Nf3+ 31. Kh1 Qxb1+ 32. Kg2 Nh4+ 33. Kh2 Nf3+ 34. Kg3 Ng5 35. Bc5+ Kg6) 29. Nxc7 {1-0 (29) Mayer,H (1827)-Kirves,M (1631) Berlin 2018}) 20... e4+ 21. Rxe4 fxe4+ 22. Qxe4) 19... Qxg3+ 20. Kd1 Qxg2 21. Qd3) 17... fxe4 18. f5) 17. Kf2 Rg6) 16... Rb8 17. exf5) 14. Bxe4 Na6)))) ({RR} 6... c6 7. O-O d5 8. cxd5 exd5 9. d4 Nbd7 10. Qc2 Ne4 11. Nxe4 fxe4 12. Ne5 Qe8 13. Bd2 Nf6 14. b4 Qh5 15. e3 Ng4 16. Nxg4 Bxg4 17. Rf2 Rf6 18. Bc3 Raf8 19. Qc1 g5 20. Qf1 gxf4 21. Rxf4 {Merges,H-Loof,K Lahnstein 1999 0-1}) ({RR} 6... d6 7. O-O a5 8. Rb1 Ne4 9. Qc2 Nxc3 10. bxc3 Qe8 11. Ba3 Qh5 12. Nd4 c6 13. e4 Nd7 14. Nxe6 Rf6 15. Nc7 Rh6 16. Nxa8 Nf6 17. e5 Qxh2+ 18. Kf2 Ng4+ 19. Kf3 dxe5 20. fxe5 Nxe5+ 21. Ke2 {Mayer,H (1827)-Kirves,M (1631) Berlin 2018 1-0}) 7. O-O Nc6 8. d4 {White is slightly better.} d6 $6 {Inaccuracy. Nxc3 was best.} (8... Nxc3 9. bxc3 Na5) 9. Nxe4 $6 {Inaccuracy. Qc2 was best.} (9. d5 $14 Nxc3 10. bxc3) (9. Qc2 d5) 9... fxe4 10. Ne1 d5 11. e3 Kh8 12. a3 a5 13. Bd2 g5 $6 {Inaccuracy. Bf6 was best.} (13... a4 $15 {stays ahead.}) (13... Bf6) 14. Bc3 (14. fxg5 $16 {Qh5 is the strong threat.} Rxf1+ 15. Bxf1) 14... gxf4 15. exf4 $6 {[%CAl Bg2e4] Inaccuracy. Rxf4 was best.} (15. Rxf4 Bg5 16. Rxf8+ Qxf8 17. Nc2) 15... Bf6 16. Nc2 Qe8 17. cxd5 $6 {Inaccuracy. Ne3 was best.} (17. Ne3 Ne7 18. Ng4 Bg7 19. Ne5 b6 20. Bh3 c5 21. Rc1 a4 22. Qd2 Qh5) 17... exd5 18. Ne3 Ne7 19. Ng4 $6 {Inaccuracy. f5 was best.} (19. f5 Bg5) 19... Bxg4 $17 20. Qxg4 c6 21. Bh3 Qf7 $6 {Inaccuracy. c5 was best.} (21... c5 22. Rad1 Qb5 (22... Nc6 23. dxc5 d4 24. Bd2 e3 25. Rfe1 Qg6 26. Bc1 a4 27. Qxg6)) 22. Rad1 Rg8 23. Qd7 Qg7 $4 {Blunder. Qh5 was best.} (23... Qh5 24. Be6 Rg7 25. Qxb7 Rf8 26. Qb3 Nf5 27. Bxf5 Qxf5 28. Bxa5 h5 29. Kg2) 24. Qxb7 $16 h5 {[%CAl Be7f5]} 25. Qb3 $2 {Mistake. Kh1 was best.} (25. Qd7 $16) (25. Kh1 Qf7 26. Qd7 Rgf8 27. Rc1 Qg6 28. Qe6 Qf7 29. Qxf7 Rxf7 30. Be6 Rff8) 25... h4 26. g4 $36 {[%mdl 2048] Black must now prevent Kh1. White has good play.} Nf5 $1 27. g5 $6 {[%mdl 8192] Inaccuracy. Rde1 was best.} (27. Rde1) 27... Ne3 $1 $19 (27... Nxd4 28. Qb6 Nf3+ 29. Kh1 (29. Rxf3 exf3 30. Qxc6 Bxc3) 29... Bxc3 30. bxc3) (27... Bxd4+ 28. Kh1 Bxc3 29. Bxf5 $16) 28. Kh1 Be7 $4 {Blunder. Nxf1 was best.} (28... a4 $1 $19 {[%CAl Ra4b3]} 29. gxf6 Qxf6) (28... Nxf1 29. Rxf1) 29. Bxa5 $4 {[%mdl 8192] Blunder. Bd2 was best.} (29. Bd2 Nxf1 30. Rxf1 Qh7 31. Be3 Rab8 32. Qc2 Qh5 33. Qxc6 Rb3 34. Bg4 Qg6) 29... Nxf1 (29... Nxd1 30. Bc7 Bxg5 31. Be5 Nf2+ 32. Rxf2 $15) 30. Bc7 {[#] Threatens to win with Be5.} (30. Bb6 $2 Nxh2 $1 {[%mdl 512]} 31. Qe3 Bd6 $1 $19) 30... Qg6 $4 {[%mdl 8192] Blunder. Nd2 was best.} (30... Nd2 31. Rxd2 Bxg5 32. Be5 Bf6 33. Qe3 Raf8 34. Rg2 Qh6 35. Rf2 c5 36. Bxf6+) 31. Be5+ Kh7 32. Rxf1 Bf8 $2 {Mistake. Raf8 was best.} (32... Raf8 33. Rg1 Qf7 34. Bg4 Bxg5 35. fxg5 Rxg5 36. Qe3 Rfg8 37. h3 c5 38. a4) 33. Qb7+ $18 Bg7 34. f5 {[%CAl Bf4f5,Bf5f6][%mdl 32]} Qxg5 35. f6 {[%mdl 64] Threatening mate with Bf5+. Pin} Qe3 $4 {Checkmate is now unavoidable. e3 was best.} (35... e3 36. fxg7 e2 37. Re1 Ra7 38. Qxc6 Rgxg7 39. Qc2+ Rg6 40. Qxe2 Rf7 41. Bg2) 36. Bf5+ Kh6 37. Bf4+ {Weighted Error Value: White=0.51/Black=0.91 PRECISÃO LICHESS: BRANCAS 88% PRETAS 79%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.15"] [White "Carlos Alberto Braga Mendes"] [Black "Bruno Ramalho Calcada"] [Result "0-1"] [ECO "E61"] [WhiteElo "1371"] [BlackElo "1753"] [Annotator "Stockfish 16.1"] [PlyCount "72"] [EventDate "2024.??.??"] {[%evp 14,72,63,57,96,56,110,118,130,102,191,137,257,246,288,275,525,523,520,415,418,421,416,417,468,396,400,404,442,448,448,451,454,452,465,457,472,420,460,412,407,399,395,391,485,371,497,507,547,501,571,574,575,535,527,483,500,483,691,691,1146]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. h3 Nbd7 6. Nf3 O-O 7. e3 c5 8. Be2 Qb6 {E61: King's Indian: Early deviations for White, including Smyslov System.} (8... b6 9. O-O Bb7 10. d5 a6 {[%CAl Bb6b5]} 11. a4 h6 12. Nd2 Ne8 13. Qc2 Nc7 14. Bg3 f5 15. f4 e5 16. e4 {Threatens to win with exf5.} exf4 (16... Bc8 $16) 17. Bxf4 Ne5 18. exf5 Rxf5 19. Bxe5 Rxe5 $2 (19... Bxe5 20. Bd3 Rf6) 20. Qxg6 $18 {White threatens Bd3 and mate.} Qe8 21. Qxd6 Ne6 22. Bg4 Nd4 23. Nf3 Nxf3+ 24. Rxf3 Re1+ 25. Rxe1 $4 {[%mdl 8192]} (25. Rf1 $18 {was the only winning move.} Rxa1 26. Rxa1) 25... Qxe1+ $19 26. Rf1 Bd4+ 27. Kh1 (27. Kh2 $19 Be5+ 28. Qxe5 Qxe5+ 29. g3) 27... Qxf1+ 28. Kh2 Bg1+ {0-1 (28) Dang,H (2350)-Naroditsky,D (2646) Chess.com INT 2016}) 9. Qd2 $6 {Inaccuracy. Qc2 was best.} (9. Qb3 {[%eval 94,0] 9.?c2} Qxb3 10. axb3 a6 11. O-O Nb8 (11... b6 $14) 12. dxc5 $16 dxc5 13. Ne5 Bd7 (13... Nfd7 $16) 14. Bf3 Bc6 15. Nxc6 Nxc6 (15... bxc6 $16 16. Ra5 Nfd7) 16. Na4 $18 Rac8 (16... e5) 17. Nxc5 $18 e5 18. Bh2 Rfe8 (18... e4) 19. Nxb7 $18 Re7 20. Nd6 {1-0 (20) Prie,E (2467)-Lagarde,M (2175) Nantes 2005}) (9. Qc2 cxd4) ({RR} 9. Qb3 Qxb3 10. axb3 a6 11. O-O Nb8 12. dxc5 dxc5 13. Ne5 Bd7 14. Bf3 Bc6 15. Nxc6 Nxc6 16. Na4 Rac8 17. Nxc5 e5 18. Bh2 Rfe8 19. Nxb7 Re7 20. Nd6 {1-0 (20) Prie,E (2467)-Lagarde,M (2175) Nantes 2005}) 9... e6 $6 {Inaccuracy. e5 was best.} (9... Rd8 {[%eval 50,0] 9...e5} 10. O-O cxd4 (10... Ne5) 11. exd4 $16 e5 12. Be3 Qc7 (12... exd4 13. Nxd4 Nc5) 13. Nb5 $18 Qb8 14. c5 $2 (14. dxe5 $1 $18 dxe5 15. c5) 14... Ne4 (14... exd4 15. Bxd4 Nxc5) 15. Qc2 $14 Ndf6 $2 (15... d5 $16) 16. cxd6 $18 Bf5 (16... exd4 17. Bf4 a6) 17. g4 Qc8 $2 (17... Rc8 18. Qd1 exd4) 18. Qxc8 $18 Bxc8 19. dxe5 Nd5 20. Nc7 Nxe3 21. Nxa8 Nxf1 22. Kxf1 (22. Rxf1 $18 {Hoping for Bc4.} h5 23. Nc7) 22... Bxg4 $2 (22... h5 $16 {is tougher.}) 23. hxg4 $18 Rxa8 24. Rc1 {Vukotic Jovsic,D (1834)-Pareja Vicente,A (1604) Madrid 2022 ½-½ (57)}) (9... e5 10. dxe5 Nxe5 (10... dxe5 11. Bg3 e4 12. Ne5 Nxe5 13. Bxe5 Bd7 14. O-O Bc6 15. Qc2)) ({RR} 9... Rd8 10. O-O cxd4 11. exd4 e5 12. Be3 Qc7 13. Nb5 Qb8 14. c5 Ne4 15. Qc2 Ndf6 16. cxd6 Bf5 17. g4 Qc8 18. Qxc8 Bxc8 19. dxe5 Nd5 20. Nc7 Nxe3 21. Nxa8 Nxf1 22. Kxf1 Bxg4 23. hxg4 Rxa8 24. Rc1 {Vukotic Jovsic,D (1834)-Pareja Vicente,A (1604) Madrid 2022 ½-½ (57)}) 10. O-O $16 {[#]} Re8 $146 {White is better.} (10... d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Rac1 $16 (13. dxc5 Nxc5 14. Be5 Bxe5 15. Nxe5 Rd8 16. Rfd1 Ne4 {1-0 (54) Harutyunian,T (1980)-Chuprakov,R (1400) Moscow 2009} 17. Qd4 Qxd4 $1 18. Rxd4 Be6 19. Rad1 {[%CAl Be2c4]} Rdc8 {Against Bc4} 20. Bd3 {Inhibits Rc2.} Nd6 21. Bb1 Nc4 22. Nd3 Rc7 23. a4 Rac8 24. Ba2 Kf8 25. b4 $14 (25. b3 {Harutyunian,T (1980)-Chuprakov,R (1400) Moscow 2009 1-0 (54)} Nb6 (25... Na3 $15) 26. a5 Nd7 27. b4 Nf6 28. Nf4 {[%CAl Rf4d5]} Rc2 (28... Rc1) 29. Bxd5 $16 Bxd5 30. Nxd5 Nxd5 31. Rxd5 Rb2 {[#]} 32. Rd8+ (32. R5d4 $1 $16) 32... Rxd8 33. Rxd8+ Ke7 34. Rd4 a6 (34... b6 $14) 35. g3 (35. Re4+ Kf6 36. g4) 35... h5 36. Kg2 Ke6 (36... f6) 37. h4 (37. Re4+ $16 Kd6 38. g4) 37... Kf6 $2 {[%mdl 8192] [#]} (37... f5) 38. Kf3 $2 (38. Rd6+ $1 $18 {is the precise move to win.} Ke7 39. Rb6) 38... Ke6 $16 39. Rc4 {Inhibits Rc2.} Kd6 40. g4 {Harutyunian,T (1980)-Chuprakov,R (1400) Moscow 2009 1-0} (40. Rf4 $16 f5 41. e4)))) ({RR} 10... d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. dxc5 Nxc5 14. Be5 Bxe5 15. Nxe5 Rd8 16. Rfd1 Ne4 17. Qd4 Qxd4 18. Rxd4 Be6 19. Rad1 Rdc8 20. Bd3 Nd6 21. Bb1 Nc4 22. Nd3 Rc7 23. a4 Rac8 24. Ba2 Kf8 25. b3 {Harutyunian,T (1980)-Chuprakov,R (1400) Moscow 2009 1-0 (54)}) 11. Rfd1 a5 $6 {Inaccuracy. e5 was best.} (11... e5) 12. Qc2 (12. dxc5 $18 Nxc5 13. Qxd6 (13. Bxd6 Nfe4 $16) 13... Qxd6 14. Bxd6) 12... Nh5 $6 {Inaccuracy. e5 was best.} (12... e5 13. dxe5) 13. Bh2 Nhf6 14. Nb5 Ne4 $4 {Blunder. e5 was best.} (14... e5 15. dxe5 dxe5 16. Rd6 Qd8 17. Rad1 e4 18. Nd2 Re7 19. Bf4 Ne8 20. Nxe4) 15. Qxe4 $18 e5 16. d5 $6 {Inaccuracy. dxe5 was best.} (16. dxe5 Re6 17. Qc2 a4 18. exd6 Ra5 19. Qd2 Re4 20. Nc3 Re8 21. Rab1 Qd8) 16... Nf6 17. Qc2 Bf5 18. Qc1 e4 19. Nh4 Bd7 20. Nxd6 Re7 21. Qc2 h5 22. Rab1 Rd8 23. Re1 Bc8 24. Nxc8 Rxc8 25. Bd1 {[%CAl Be2d1,Bd1c2,Bc2d3,Bd3f5][%mdl 32]} Nd7 26. f3 Qf6 27. Bg3 g5 28. Qf2 (28. d6 Re6 29. Qf2 (29. Qa4 gxh4 30. Qxd7 Rd8 $18) 29... gxh4 $18) 28... Ne5 29. Bc2 $6 {Inaccuracy. Bxe5 was best.} (29. Bxe5 Rxe5 30. f4 gxf4 31. Qxf4 Rd8 32. Rf1 Qxf4 33. Rxf4 Bh6 34. Rf5 f6) 29... exf3 $6 {Inaccuracy. Nxc4 was best.} (29... Nxc4 30. Bxe4 Rxe4 31. fxe4 Qxf2+ 32. Kxf2 gxh4 33. Bxh4 Be5 34. Bg3 Bxg3+ 35. Kxg3) 30. Nxf3 {White is clearly winning.} Nd7 31. Bd3 Qh6 32. Bf5 Rd8 33. Bc7 Rde8 34. g4 hxg4 35. hxg4 Rxe3 $6 {Inaccuracy. Ne5 was best.} (35... Ne5 36. d6 (36. Bxe5 Bxe5 37. Kg2 Bd6 38. e4 Bf4 39. Rh1 Qa6 40. Rbe1 a4 41. Rh5) 36... Nxf3+ 37. Qxf3 Be5) 36. Rxe3 Bd4 {[%mdl 32768] Weighted Error Value: White=0.26 (precise) /Black=0.48. Loss on time!? PRECISÃO LICHESS: BRANCAS 95% PRETAS 88%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.16"] [White "Roberto, Fabelino De Souza"] [Black "Luiz, Jose Vieira Da Cruz"] [Result "1-0"] [ECO "A21"] [WhiteElo "1741"] [BlackElo "1435"] [Annotator "Stockfish 16.1"] [PlyCount "83"] [EventDate "2024.??.??"] {[%evp 13,82,51,320,318,355,356,409,406,413,410,419,392,419,353,399,400,391,397,409,363,415,366,379,378,375,370,408,378,381,380,440,428,474,428,478,461,470,416,437,437,475,458,504,498,507,500,528,524,528,518,551,546,576,573,606,583,641,639,635,632,629,608,654,646,29993,29994,29997,29998,29998,29999,29999] PRECISÃO LICHESS: BRANCAS 98% PRETAS 92%} 1. c4 e5 2. Nc3 Bc5 3. g3 Nc6 4. Bg2 Nf6 5. e3 O-O 6. Nge2 d6 7. O-O Be6 $4 {[%mdl 8192] Blunder. Bb6 was best.} (7... Re8 $14) (7... Bb6 8. b3 Bf5 9. d4 Qd7 10. dxe5 Nxe5 11. e4 Bh3 12. Bxh3) 8. d4 $18 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Bb6 (8... exd4 9. exd4 Bb4 10. d5 Ne5 11. dxe6 fxe6 12. b3 Nfg4 13. Bb2 Rxf2 (13... Bc5 14. Ne4 Bxf2+ 15. Nxf2 Ne3 16. Qd2 Nxf1 17. Rxf1 Qe7 18. Nf4 Rf5 19. Bxb7 c6 20. Bxe5 Qxb7 21. Qxd6 Raf8 22. Ng4 Qb6+ 23. c5 {Decuigniere,T (2365)-Kornyukov,A (2452) chess.com INT 2023 1-0 (31)} Qb4 24. Qxe6+ Kh8 {[#]} 25. Nh6 (25. Bxg7+ $1 Kxg7 26. Nh5+ Kh8 27. Qe5+ R5f6 28. Rxf6 Qe1+ 29. Rf1+ Rf6 30. Qxf6+ Kg8 31. Nh6#) 25... Qxc5+ $18 26. Kg2 {White threatens Bxg7+ and mate.} Qxe5 27. Qxe5 Rxe5 28. Ng6+ hxg6 29. Rxf8+ Kh7 30. Ng4 Re2+ 31. Rf2 {1-0 (31) Decuigniere,T (2365)-Kornyukov,A (2452) Chess.com INT 2023}) 14. Rxf2 Nxf2) ({RR} 8... exd4 9. exd4 Bb4 10. d5 Ne5 11. dxe6 fxe6 12. b3 Nfg4 13. Bb2 Bc5 14. Ne4 Bxf2+ 15. Nxf2 Ne3 16. Qd2 Nxf1 17. Rxf1 Qe7 18. Nf4 Rf5 19. Bxb7 c6 20. Bxe5 Qxb7 21. Qxd6 Raf8 22. Ng4 Qb6+ 23. c5 {Decuigniere,T (2365)-Kornyukov,A (2452) chess.com INT 2023 1-0 (31)}) 9. d5 {[#]} Bf5 $146 (9... Na5 10. Qd3 {Against Bf5} (10. dxe6 fxe6 11. b3 Nc6 12. Bb2 Qe7 13. a3 Rad8 14. Qc2 d5 15. cxd5 exd5 16. Rad1 Qf7 17. Qd2 Ne7 18. Qc2 Rd6 19. b4 Rfd8 (19... Ng4 20. Qb3 Rf6) 20. Qb1 Qh5 21. Rfe1 c6 22. e4 $4 {[%mdl 8192]} (22. h3 $18 {and all is fine.}) 22... Bxf2+ $2 (22... Ng4 $19 {has better winning chances.} 23. h3 Nxf2) 23. Kxf2 $4 {[%mdl 8192]} (23. Kh1 $17 {nothing else works.}) 23... Ng4+ $19 24. Kg1 {Ayinala,S (1180)-Donnelly,P (1659) San Francisco 2014 0-1}) 10... c5 (10... Bd7 11. b4 Nxc4 12. Qxc4 Qc8) 11. Bd2 (11. dxe6 fxe6 12. Ne4) 11... Qc8 $2 (11... Bd7 12. h3 Bc7) 12. Ne4 (12. dxe6 Qxe6 13. Nd5) 12... Nxe4 $18 13. Bxe4 f5 14. Bg2 Qc7 $2 (14... Bd7 $16) 15. Qc2 (15. dxe6 Qe7 16. Bxa5 Bxa5 17. Qd5) 15... a6 $2 (15... Bf7 16. e4 Bh5) 16. Rfc1 $2 (16. dxe6 Qe7 17. Bd5) 16... Ba7 $2 (16... Bd7 17. b3 Be8) 17. b4 cxb4 18. Bxb4 $2 (18. dxe6 $18 Nc6 19. a3) 18... b6 $2 {[%mdl 8192]} (18... Bd7 $16 {is a better chance.}) 19. Bxa5 bxa5 (19... Bd7 20. Bb4 Rac8) 20. Rab1 $2 (20. dxe6 $18 Rab8 21. Rab1) 20... Rab8 $2 {[%mdl 8192]} (20... Bd7 {and Black stays safe.}) 21. Bf1 $2 (21. dxe6 $18 g6 22. Qa4) 21... f4 $2 {[%mdl 8192]} (21... Rxb1 $15 22. Qxb1 Rb8) 22. e4 $4 {[%mdl 8192]} (22. dxe6 $18 {and life is good for White.} fxe3 23. f4) 22... fxg3 $2 (22... Rxb1 $19 23. Qxb1 Bg4) 23. Nxg3 $2 (23. dxe6 $17 {is the only way for White.} Rxf2 24. c5 Bxc5 25. hxg3 Rxe2+ 26. Qxc5 dxc5 27. Bxe2) 23... Rxb1 24. Qxb1 {Piorkowsky,M-Grieger,M Fischbek 1997 1-0 (35)}) (9... Bxd5 10. Nxd5 Re8 (10... Ba5 11. Nxf6+ Qxf6 12. Qa4 Bb6 13. Bxc6 bxc6 14. Qxc6 Rab8 15. Qg2 Qe6 {1-0 (42) Soto Fernandez,D (1423)-Aguilar Alcala,M Salobrena 2022} 16. b3 Rfc8 17. Bb2 c6 18. Rac1 d5 19. cxd5 cxd5 20. Rxc8+ Rxc8 21. Rc1 {Against Rc2} Rxc1+ 22. Nxc1 h6 23. Nd3 Qf5 24. Qxd5 Bc7 25. Bxe5 Bxe5 26. Nxe5 Kh7 27. e4 Qh5 28. Nxf7 Qxd5 29. exd5 Kg8 30. Nd6 Kf8 31. Nc8 Ke8 32. Nxa7 Kd7 33. b4 Kd6 34. Nc8+ Kxd5 35. Ne7+ Kd6 36. Nf5+ Kc7 37. Nxg7 Kb6 38. Nf5 Kb5 39. Nxh6 {Soto Fernandez,D (1423)-Aguilar Alcala,M Salobrena 2022 1-0}) 11. Nec3 Re6 12. b3 Qd7 13. Bh3 Qc8 14. Nxf6+ gxf6 15. Bxe6 Qxe6 16. Nd5 Kh8 17. Qf3 Rg8 18. Qxf6+ Qxf6 19. Nxf6 {1-0 (19) Durovka,M (1469)-Sevcik,O (1133) Liptovsky Mikulas 2019}) ({RR} 9... Na5 10. Qd3 c5 11. Bd2 Qc8 12. Ne4 Nxe4 13. Bxe4 f5 14. Bg2 Qc7 15. Qc2 a6 16. Rfc1 Ba7 17. b4 cxb4 18. Bxb4 b6 19. Bxa5 bxa5 20. Rab1 Rab8 21. Bf1 f4 22. e4 fxg3 23. Nxg3 Rxb1 24. Qxb1 {Piorkowsky,M-Grieger,M Fischbek 1997 1-0 (35)}) ({RR} 9... Na5 10. dxe6 fxe6 11. b3 Nc6 12. Bb2 Qe7 13. a3 Rad8 14. Qc2 d5 15. cxd5 exd5 16. Rad1 Qf7 17. Qd2 Ne7 18. Qc2 Rd6 19. b4 Rfd8 20. Qb1 Qh5 21. Rfe1 c6 22. e4 Bxf2+ 23. Kxf2 Ng4+ 24. Kg1 {Ayinala,S (1180)-Donnelly,P (1659) San Francisco 2014 0-1}) ({RR} 9... Bxd5 10. Nxd5 Re8 11. Nec3 Re6 12. b3 Qd7 13. Bh3 Qc8 14. Nxf6+ gxf6 15. Bxe6 Qxe6 16. Nd5 Kh8 17. Qf3 Rg8 18. Qxf6+ Qxf6 19. Nxf6 {1-0 (19) Durovka,M (1469)-Sevcik,O (1133) Liptovsky Mikulas 2019}) 10. dxc6 {White is winning.} bxc6 11. Bxc6 Rb8 12. Bg2 Qd7 13. a3 Rfe8 14. e4 Be6 15. Nd5 Nxd5 16. exd5 Bf5 17. Nc3 Bc5 18. b4 Bd4 19. Bb2 Bh3 20. Qd2 Bxg2 21. Kxg2 Qf5 22. Rae1 Bb6 23. Na4 Re7 24. h3 e4 25. f3 e3 26. Qc3 {[%csl Gb2][%CAl Rc3g7] [#]} Qg5 $6 {Inaccuracy. Qg6 was best.} (26... Qg6 27. Re2 f5 28. Qd3 a5 29. Nxb6 cxb6 30. Bc3 Rbe8 31. c5 axb4 32. cxd6) 27. c5 dxc5 28. bxc5 Ba5 29. Qxa5 Qxd5 30. Qc3 {[%csl Gb2][%CAl Rc3g7]} Qg5 31. Re2 Rbe8 32. Rfe1 f6 33. Bc1 {[%CAl Bb2c1,Bc1e3,Be3c5,Bc5e7][%mdl 32]} Rd8 34. Bxe3 Qd5 35. Rd2 Qa8 36. Rxd8+ Qxd8 37. Qb3+ Kf8 38. c6 {Threatening mate with Nc5.} Qa8 $2 {Checkmate is now unavoidable. Re5 was best.} (38... Re5 39. Bf2 Qd5 40. Qb8+ Kf7 41. Rxe5 Qxe5 42. Qb3+ Kg6 43. Nc3 Qf5 44. Ne4) 39. Bc5 {White mates.} Qxc6 40. Bxe7+ Ke8 41. Qg8+ Kd7 42. Qd8# {Weighted Error Value: White=0.13 (very precise) /Black=0.46} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.17"] [White "Adnilton Correia De A.Nogueir, ..."] [Black "Paulo, Henrique Pfitzner"] [Result "1-0"] [ECO "D02"] [WhiteElo "1625"] [BlackElo "1427"] [Annotator "Stockfish 16.1"] [PlyCount "87"] [EventDate "2024.??.??"] {[%evp 9,86,-29,31,-32,1,-6,3,3,62,34,95,-12,295,298,290,294,430,303,302,293,322,191,294,294,295,304,308,301,340,338,354,266,262,237,236,207,264,264,341,345,338,339,335,335,400,392,438,441,477,477,529,519,659,657,29968,29969,1110,656,29974,29975,806,711,697,660,29998,29995,29995,29994,29995,29996,29996,29996,29996,29997,29999,29997,29997,29998,29999]} 1. d4 d5 2. Nf3 Bg4 3. e3 a6 (3... Nf6 4. h3 Bxf3 5. Qxf3 Nc6 6. c3 e5 7. Bb5 Bd6 8. dxe5 Bxe5 9. Nd2 O-O 10. Qe2 Ne7 11. Nf3 Bd6 12. O-O Ng6 13. b3 c6 14. Bd3 Re8 15. Qc2 Bc7 16. a4 Bb8 17. g3 Bd6 18. Kg2 Ne5 19. Nxe5 Bxe5 20. Bb2 Qe7 21. Rad1 Rad8 22. Rfe1 Qc7 23. Be2 g6 24. Bf3 h5 25. h4 a6 26. c4 dxc4 27. Bxe5 Qxe5 28. Qxc4 a5 29. b4 Kg7 30. bxa5 Qxa5 31. Rxd8 Rxd8 32. Rb1 Rd7 33. Qb4 {Oleksienko,M (2594)-Firouzja,A (2702) chess24.com INT 2020 0-1}) (3... Nd7 4. Be2 e6 5. h3 Bh5 6. O-O Ngf6 7. Nfd2 Bg6 8. Bd3 c5 9. b3 Bd6 10. Bb2 O-O 11. Bxg6 hxg6 12. c4 cxd4 13. exd4 Rc8 14. c5 Bb8 15. Re1 Qc7 16. Nf1 Ne4 17. Nbd2 Nxd2 18. Qxd2 {Van Riemsdijk,D (2235)-Van Riemsdijk,H (2370) Sao Jose de Rio Preto 1995 0-1 (46)}) ({RR} 3... Nd7 4. Be2 e6 5. h3 Bh5 6. O-O Ngf6 7. Nfd2 Bg6 8. Bd3 c5 9. b3 Bd6 10. Bb2 O-O 11. Bxg6 hxg6 12. c4 cxd4 13. exd4 Rc8 14. c5 Bb8 15. Re1 Qc7 16. Nf1 Ne4 17. Nbd2 Nxd2 18. Qxd2 {Van Riemsdijk,D (2235)-Van Riemsdijk,H (2370) Sao Jose de Rio Preto 1995 0-1 (46)}) 4. c3 $146 (4. b3 c6 5. Bd3 Nf6 6. O-O e6 7. Bb2 Bd6 8. c4 Qc7 9. h3 Bh5 10. Nbd2 Nbd7 11. Re1 Bh2+ 12. Kh1 e5 13. e4 dxe4 14. Nxe4 Bf4 15. Nxf6+ gxf6 16. Bc1 Bxc1 17. Rxc1 O-O 18. Bf5 Rad8 {Leban,M-Valic,M Nova Gorica 2004 0-1 (62)}) (4. c4 Nf6 5. Qb3 Ra7 6. Ne5 Be6 7. Nc3 c6 8. cxd5 Nxd5 9. Ne4 f6 10. Nf3 Nc7 11. Qb6 Nb5 12. Qxd8+ Kxd8 13. Nc5 Bf7 14. a4 Nd6 15. Bd2 Ke8 16. Bd3 g5 17. h3 b6 18. Ne4 a5 {Scholz,W (1639)-Bremer,H (1431) Berlin 2021 1-0 (40)}) (4. h3 Bf5 5. c4 Nf6 6. Nc3 Be4 7. Be2 e6 8. Qb3 b6 9. O-O c5 10. Nxe4 dxe4 11. Ne5 Bd6 12. Rd1 cxd4 13. exd4 O-O 14. f3 h6 15. c5 bxc5 16. dxc5 Bxc5+ 17. Kh1 Qc7 18. Bf4 Qb6 {Bloemker,M-Schmalbrock,A (1257) Germany 2003 1-0 (44)}) (4. Be2 e6 5. O-O Nc6 6. a3 h6 7. Nbd2 Nf6 8. b4 b5 9. Bb2 g5 10. Ne1 h5 11. f3 Bf5 12. Bd3 Bxd3 13. cxd3 Be7 14. Rc1 Na7 15. Nb3 c6 16. Nc5 Bxc5 17. Rxc5 Nd7 18. Rc1 Rh6 {Luchowski,F (1799)-Pastewski,B Poland 2010 1-0 (45)}) ({RR} 4. b3 c6 5. Bd3 Nf6 6. O-O e6 7. Bb2 Bd6 8. c4 Qc7 9. h3 Bh5 10. Nbd2 Nbd7 11. Re1 Bh2+ 12. Kh1 e5 13. e4 dxe4 14. Nxe4 Bf4 15. Nxf6+ gxf6 16. Bc1 Bxc1 17. Rxc1 O-O 18. Bf5 Rad8 {Leban,M-Valic,M Nova Gorica 2004 0-1 (62)}) ({RR} 4. c4 Nf6 5. Qb3 Ra7 6. Ne5 Be6 7. Nc3 c6 8. cxd5 Nxd5 9. Ne4 f6 10. Nf3 Nc7 11. Qb6 Nb5 12. Qxd8+ Kxd8 13. Nc5 Bf7 14. a4 Nd6 15. Bd2 Ke8 16. Bd3 g5 17. h3 b6 18. Ne4 a5 {Scholz,W (1639)-Bremer,H (1431) Berlin 2021 1-0 (40)}) ({RR} 4. h3 Bf5 5. c4 Nf6 6. Nc3 Be4 7. Be2 e6 8. Qb3 b6 9. O-O c5 10. Nxe4 dxe4 11. Ne5 Bd6 12. Rd1 cxd4 13. exd4 O-O 14. f3 h6 15. c5 bxc5 16. dxc5 Bxc5+ 17. Kh1 Qc7 18. Bf4 Qb6 {Bloemker,M-Schmalbrock,A (1257) Germany 2003 1-0 (44)}) ({RR} 4. Be2 e6 5. O-O Nc6 6. a3 h6 7. Nbd2 Nf6 8. b4 b5 9. Bb2 g5 10. Ne1 h5 11. f3 Bf5 12. Bd3 Bxd3 13. cxd3 Be7 14. Rc1 Na7 15. Nb3 c6 16. Nc5 Bxc5 17. Rxc5 Nd7 18. Rc1 Rh6 {Luchowski,F (1799)-Pastewski,B Poland 2010 1-0 (45)}) 4... Nf6 {[#]} 5. Qa4+ $146 (5. Nbd2 Nbd7 6. Bd3 e5 7. Qb3 Qb8 8. O-O e4 9. Ne5 exd3 10. Qa4 c6 11. Nxg4 Nxg4 {0-1 (48) Munkwitz,W-Schleiff,W freechess.de 2020} 12. f3 Nxe3 13. Re1 Be7 14. Rxe3 Qc7 15. Rxd3 b5 16. Qd1 O-O 17. Nf1 h6 18. Ne3 Qd6 19. Nf5 Qf6 20. Nxe7+ Qxe7 21. Re3 Qd6 22. g3 Nf6 23. f4 Rfe8 24. Qe1 Qd7 25. Kg2 Rxe3 26. Bxe3 Re8 27. Qd2 Re4 28. b3 Ng4 29. Re1 Nxe3+ 30. Rxe3 Rxe3 31. Qxe3 Qe6 32. Qf2 a5 33. Kf3 Qe4+ 34. Kg4 f5+ {Munkwitz,W-Schleiff,W freechess.de 2020 0-1}) 5... Qd7 (5... Nbd7) 6. Qd1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} (6. Qb3 $14) 6... e6 (6... Bxf3 $5 7. gxf3 Nc6) 7. Be2 Bf5 8. Ne5 {The position is equal.} Qe7 $6 {Inaccuracy. Qd8 was best.} (8... Qd8 9. Qb3 Qc8 10. g4 Bxb1 11. Rxb1 c5 12. O-O Nc6 13. f4 Bd6 14. Bf3) 9. Nd2 {Hoping for g4.} (9. Qb3 $5 {[%CAl Rb3b7]} Ra7 10. g4 $14) 9... Nbd7 $6 {Inaccuracy. h5 was best. [#]} (9... h5 10. Qb3) 10. Qa4 $2 {Mistake. g4 was best.} (10. g4 Bg6 11. h4) 10... b5 $4 {[%mdl 8192] Blunder. h5 was best.} (10... h5 11. Qb3 Rb8 12. Nxd7 Nxd7 13. O-O h4 14. f3 Qd6 15. e4 Bg6 16. e5) 11. Bxb5 $1 $18 Qd8 12. Bc6 (12. Bxa6 $6 c5 $18) 12... Ra7 $6 {Inaccuracy. Bd6 was best.} (12... Bd6 13. Ndf3 (13. e4 Bxe5 14. exf5 Bd6 15. Bxa8 Qxa8 16. O-O O-O 17. fxe6 fxe6 18. f4) 13... Rb8) 13. Bxd7+ $6 {Inaccuracy. e4 was best.} (13. e4 Bg6 14. h4 Bd6 15. Nxg6 fxg6 16. e5 O-O 17. exf6 Qxf6 18. Nf3 Nb8) 13... Nxd7 14. Nc6 Nb6 {[#] aiming for ...Qa8.} 15. Qb3 $6 {Inaccuracy. Qd1 was best.} (15. Nxd8+ Nxa4 16. e4 (16. Nc6 Rb7) 16... Bxe4 17. Nxe4 Kxd8) (15. Qd1 Qa8 (15... Qg5 16. Nxa7 Qxg2 17. Qf3 Qg6 18. Nc6 Bd6 19. h4 h5 20. Ne5 Bxe5) 16. Nxa7) 15... Qa8 $6 {Inaccuracy. Qg5 was best.} (15... Qg5 16. Rg1 Ra8 17. a4 Bd3 18. Ne5 Bg6 19. a5 Nd7 20. Qa4 Qd8 21. Qc6) 16. Nxa7 Qxa7 17. O-O Bd3 18. Re1 Bd6 19. e4 {[%CAl Be3e4,Be4e5][%mdl 32]} O-O 20. e5 $6 {Inaccuracy. Re3 was best.} (20. Re3 dxe4 21. Nxe4 Bxe4 22. Rxe4 Nd5 23. Qd1 c5 24. dxc5 Bxc5 25. Qf3 Qb6) 20... Be7 21. Re3 Bf5 22. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Bg5 23. Re1 h5 $6 {Inaccuracy. c5 was best.} (23... c5 24. Qd1 Bxd2 25. Bxd2 Nc4 26. Bc1 Rb8 27. dxc5 Nxb2 28. Bxb2 Rxb2 29. Qd4) 24. a5 Nd7 25. Nf3 Be7 26. Bg5 f6 27. exf6 Nxf6 28. Nh4 Bd3 29. Rxe6 c5 30. Bxf6 gxf6 $6 {Inaccuracy. Bxf6 was best.} (30... Bxf6 31. Rxf6 Rxf6 32. Qxd5+ Qf7 33. Qxf7+ Rxf7 34. dxc5 Re7 35. h3 g5 36. Nf3) 31. Qxd5 {White wants to mate with Rxe7+.} Kg7 32. Rae1 Bd8 33. Qxh5 {R1e3 would kill now.} cxd4 34. Qg4+ Kh7 35. Rd1 Bc2 36. Rxd4 {White threatens Nf5 and mate.} f5 $4 {Checkmate is now unavoidable. Kh8 was best.} (36... Kh8 37. Re8 Rxe8 38. Qh5+ Kg7 39. Qxe8 Qxd4 40. cxd4 Bxa5 41. Qe7+ Kg8 42. Qxf6) 37. Qg6+ {White mates.} Kh8 38. Qh5+ $2 {Lost forced checkmate sequence. Qh6+ was best.} (38. Qh6+ Kg8 39. Rg6+ Kf7 40. Rg7+ Ke8 41. Qc6+ Qd7 42. Qxd7#) 38... Kg7 $2 {Checkmate is now unavoidable. Qh7 was best.} (38... Qh7 39. Ng6+ Kg8 40. Qxh7+ Kxh7 41. Nxf8+ Kg7 42. Rxd8 f4 43. f3 Kf7 44. Rxa6) 39. Rg6+ Kf7 40. Qh7+ Ke8 41. Qxa7 {[%csl Gd4][%CAl Ra7d7]} Bxh4 42. Rxh4 f4 $4 {Checkmate is now unavoidable. Ba4 was best.} (42... Ba4 43. Rh7 Rf7 44. Rxf7 Kd8 45. Qb8#) 43. Rg7 {[%csl Gg7][%CAl Ra7e7]} Be4 44. Qb8# {Weighted Error Value: White=0.33/Black=1.12 PRECISÃO LICHESS: BRANCAS 93% PRETAS 87%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.18"] [White "Flavio, Cesar De Carvalho S"] [Black "Miguel, Mendes Da Costa"] [Result "0-1"] [ECO "B88"] [WhiteElo "1319"] [BlackElo "1646"] [Annotator "Stockfish 16.1"] [PlyCount "62"] [EventDate "2024.??.??"] {[%evp 11,62,28,34,-4,21,17,24,0,43,50,121,108,139,161,276,271,265,175,464,454,449,348,462,457,454,273,267,219,358,-83,0,-326,-320,-316,-299,-397,-387,-476,-398,-403,-375,-471,-370,-501,-497,-648,-644,-766,-582,-554,-558,-1183,-1135]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Bc4 Nf6 6. Nc3 e6 7. f4 {[%CAl Bf2f4,Bf4e5][%mdl 32] B88: Sicilian: Sozin Attack.} (7. Be3 Bd7 8. Qe2 a6 9. Bb3 b5 10. a3 Na5 11. f4 e5 12. Nf3 Nxb3 13. cxb3 Qb8 14. O-O Be7 15. b4 O-O 16. fxe5 dxe5 17. Bc5 Bxc5+ 18. bxc5 b4 $1 {[%CAl Rb4c3]} 19. Nd5 Bb5 20. Nxf6+ gxf6 21. Qe3 Bxf1 22. Rxf1 {[%CAl Bf3g5]} Kh8 23. Nh4 Rg8 24. Qf3 Qd8 (24... f5) 25. axb4 Rb8 26. Rd1 Qe7 (26... Qf8) 27. Nf5 $16 Qb7 (27... Qe6 $16) 28. Ne3 Rg6 29. Nd5 a5 (29... Rbg8 {was necessary.}) 30. Rc1 Rc8 31. h4 axb4 (31... Rc6 $16 {is a better defense.}) 32. h5 $18 Rh6 $2 (32... Rg7) 33. Qf5 Rc6 34. Ne3 Qc8 35. g4 Qf8 36. Kf2 $1 Rxc5 {Vachier Lagrave,M (2718)-Saric,I (2690) Zagreb 2024 1-0}) (7. a4 Be7 8. Qe2 $2 {[%mdl 8192]} (8. Be3 {and White stays safe.}) 8... O-O $2 (8... Nxd4 $19 9. Qd3 Nc6) 9. O-O $2 {[%mdl 8192]} (9. Be3) 9... Nb4 $2 (9... Nxd4 $19 10. Qd1 Nc6) 10. Bb3 d5 11. exd5 Nfxd5 12. Nxd5 Nxd5 13. Qf3 Bf6 14. Rd1 Qa5 15. c3 Rd8 16. Bc2 {[%CAl Bh2h4]} Bd7 17. Qe4 (17. h4 $5) 17... g6 18. Bh6 Qb6 19. Rab1 (19. Bb3 $1 $14) 19... Rac8 (19... e5 $5 {[%CAl Re5d4]} 20. Nf3 (20. Qxd5 Bg4 $19) 20... Bf5) 20. Qf3 Bg7 21. Bxg7 Kxg7 {Aleshin,O (2412)-Kryakvin,D (2469) Moscow 2006 ½-½ (50)}) ({RR} 7. a4 Be7 8. Qe2 O-O 9. O-O Nb4 10. Bb3 d5 11. exd5 Nfxd5 12. Nxd5 Nxd5 13. Qf3 Bf6 14. Rd1 Qa5 15. c3 Rd8 16. Bc2 Bd7 17. Qe4 g6 18. Bh6 Qb6 19. Rab1 Rac8 20. Qf3 Bg7 21. Bxg7 Kxg7 {Aleshin,O (2412)-Kryakvin,D (2469) Moscow 2006 ½-½ (50)}) 7... a6 (7... g6 {[%eval -9,0] 7...d5} 8. Be2 Bg7 9. Nf3 (9. Ndb5 $14) 9... Qb6 $2 (9... O-O $15 {stays ahead.}) 10. Qxd6 $16 {Nb5 is the strong threat.} Ng4 $2 (10... Bd7 $16) 11. Qd2 $2 (11. Nb5 $1 $18 {[%CAl Rb5c7]} Qf2+ 12. Kd1) 11... Qf2+ 12. Kd1 O-O 13. Rf1 (13. Bd3) 13... Qb6 $2 (13... Qxg2 $17 {White must now prevent ...Rd8.} 14. Bd3 Qh3) 14. Ke1 (14. Bd3 $14) 14... Rd8 15. Bd3 Nb4 16. Qe2 Bd7 17. Ng5 $2 (17. h3 Nf6 18. e5) 17... f5 18. e5 h6 $2 {[%mdl 8192] [#]} (18... Nxh2 $17 {keeps the pressure on. Hoping for ...h6.} 19. Rh1 h6) 19. Nf3 $1 $18 h5 20. Nh4 $4 {[%mdl 8192]} (20. h3 $18 {and life is good for White.}) 20... Kh7 $4 {[%mdl 8192]} (20... Nxh2 $19 {avoids the disaster.} 21. Rh1 Be8) 21. h3 Nh6 22. Nf3 {Dominguez Laguna,E (1720)-Carre Rodriguez,R (1820) Barcelona 2015 0-1 (37)}) ({RR} 7... g6 8. Be2 Bg7 9. Nf3 Qb6 10. Qxd6 Ng4 11. Qd2 Qf2+ 12. Kd1 O-O 13. Rf1 Qb6 14. Ke1 Rd8 15. Bd3 Nb4 16. Qe2 Bd7 17. Ng5 f5 18. e5 h6 19. Nf3 h5 20. Nh4 Kh7 21. h3 Nh6 22. Nf3 {Dominguez Laguna,E (1720)-Carre Rodriguez,R (1820) Barcelona 2015 0-1 (37)}) 8. Nxc6 $146 (8. Be3 Qb6 (8... d5 9. Nxc6 bxc6) 9. Bb3 $16 e5 10. Nf5 Qc7 11. Ng3 Qd7 (11... Be6 $16 {might work better.}) 12. Qd2 Be7 13. O-O-O O-O 14. Nf5 Rd8 (14... Nxe4 15. Nxe7+ Qxe7 16. Nxe4 exf4) 15. Rhg1 Nxe4 16. Nxe7+ Nxe7 17. Nxe4 {1-0 (17) Palao,A (1665)-Alvarez,M Bento Goncalves 2010}) ({RR} 8. Be3 Qb6 9. Bb3 e5 10. Nf5 Qc7 11. Ng3 Qd7 12. Qd2 Be7 13. O-O-O O-O 14. Nf5 Rd8 15. Rhg1 Nxe4 16. Nxe7+ Nxe7 17. Nxe4 {1-0 (17) Palao,A (1665)-Alvarez,M Bento Goncalves 2010}) 8... bxc6 {[#]} 9. Qf3 $146 {White has an edge.} (9. e5 Nd5 10. exd6 Nxc3 11. bxc3 Bxd6 12. Be3 Qc7 13. O-O O-O 14. Qh5 c5 15. Rad1 g6 $5 {[%CAl Rg6h5]} (15... Bb7 {½-½ (32) Aridov,V (2166)-Polyakov,M (2281) Donetsk 2007} 16. Qg5 (16. f5) 16... Be7 (16... Rad8 $15) 17. Qg4 Rad8 18. f5 Qe5 19. Rde1 Qxc3 20. fxe6 f5 21. Qe2 f4 (21... h6) 22. Bxf4 (22. Rxf4 {aiming for Rf7.} Rxf4 23. Bxf4 Qd4+ 24. Be3) 22... Rd4 $2 {[%mdl 8192]} (22... Bxg2 $16 23. Kxg2 Rxf4 24. Rxf4 Rd2) 23. Bg5 $2 (23. Be5 $18 {[%CAl Bf1f7] and the rest is easy. White threatens Rf7! and mate.} Qxc4 24. Rxf8+ Bxf8 25. Bxd4 Qxd4+ 26. Qf2) 23... Rxc4 $16 24. Bxe7 Rxf1+ 25. Rxf1 h6 26. Rf8+ (26. Qd3 $16 {[%csl Ge7][%CAl Rf1f8]} Qd4+ 27. Qxd4 cxd4 28. Ba3) 26... Kh7 27. Qd3+ Qxd3 28. cxd3 Rc1+ $1 29. Rf1 Rc2 30. Rf2 Rc1+ 31. Rf1 Rc2 32. Rf2 {½-½ (32) Aridov,V (2166)-Polyakov,M (2281) Donetsk 2007}) 16. Qg5 Bd7) 9... Bb7 10. e5 dxe5 $6 {Inaccuracy. Nd5 was best.} (10... Nd5 11. Ne4) 11. fxe5 $16 Nd5 12. O-O $36 {[%csl Gf1][%CAl Rf3f7][%mdl 2048] White has strong initiative.} (12. Bxd5 cxd5 13. Be3 Qc7 $15) 12... Bc5+ $6 {Inaccuracy. Qc7 was best.} (12... Qc7) 13. Kh1 $18 {[%csl Gf1][%CAl Rf3f7]} O-O {[%CAl Be8g8,Bg8h7,Bh7g7][%mdl 32]} 14. Qg3 $6 {Inaccuracy. Ne4 was best. And now Ne4 would win.} (14. Ne4 Bd4 15. Bd3 Bxe5 16. Ng5 Nf6 17. Qh3 h6 18. Nf3 Qc7 19. Bxh6 Rfd8) 14... Re8 $4 {Blunder. Qc7 was best.} (14... Qc7 15. Ne4 Bd4 16. Nd6 f6 17. exf6 Bxf6 18. Bd2 Rad8 19. Nxb7 Qxb7 20. Rab1) 15. Ne4 Be7 16. Bg5 Bxg5 17. Nxg5 Rf8 {[#]} 18. Nxh7 $2 {[%mdl 512] Mistake. Bd3 was best.} (18. Bd3 g6 19. Rf3 c5 20. Raf1 Nb4 21. Nxf7 Bxf3 22. Nxd8 Raxd8 23. Bxg6 Rd1) 18... Kxh7 19. Bd3+ g6 $2 {Mistake. Kg8 was best. [#]} (19... Kg8 20. Qh3 f5 21. exf6 Nxf6 22. Qxe6+ Rf7 23. Bc4 Qc7 24. Rxf6 gxf6 25. Qxf6) 20. h4 $4 {Blunder. Rxf7+ was best.} (20. Rxf7+ Rxf7 21. Qxg6+ Kh8 22. Qxf7 Qh4 23. Qxb7 Rf8 24. Qa7 a5 25. Qxa5 c5) 20... Ne7 $6 {Inaccuracy. Kg7 was best.} (20... Kg7 21. Rad1 (21. h5 Ne7 22. Rad1 c5 23. Be2 Qe8 24. Qg5 Ng8 25. hxg6 fxg6 26. Rxf8) 21... Qe8) 21. h5 $4 {[%mdl 8192] Blunder. Rf6 was best.} (21. Rf6 Nf5 22. Bxf5 exf5 23. h5 Kg7 24. Rxg6+ fxg6 25. Qxg6+ Kh8 26. Qh6+ Kg8) 21... Nf5 $19 22. hxg6+ fxg6 23. Qh3+ $6 {Inaccuracy. Bxf5 was best.} (23. Bxf5 Rxf5 24. c3 Kg7 25. Rad1 Rxf1+ 26. Rxf1 Qe7 27. Rf4 Rh8+ 28. Kg1 c5) 23... Kg7 24. Kg1 Rh8 {[%CAl Bf8h8,Bh8h3,Bh3h2][%mdl 32]} 25. Qf3 Qd4+ 26. Rf2 Qxe5 27. g3 $6 {Inaccuracy. Qf4 was best.} (27. Qf4 Qxf4 28. Rxf4 Bc8 29. Re1 Ra7 30. Re5 Rc7 31. Rc5 Ne7 32. Rg4 Rd7) 27... Rh3 {Black is clearly winning.} 28. Rg2 Rah8 29. Kf2 Qd4+ 30. Ke2 Rh2 31. Rag1 $6 {Inaccuracy. Re1 was best.} (31. Re1 Qxb2 32. Bxf5 Rxg2+ 33. Qxg2 gxf5 34. Qf3 c5 35. Qb3 Qe5+ 36. Qe3 Rh2+) 31... Qxg1 {Weighted Error Value: White=1.07/Black=0.58 PRECISÃO LICHESS: BRANCAS 77% PRETAS87%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.19"] [White "Sirlei Pereira de Azevedo"] [Black "Arnaldo Soares De Oliveira"] [Result "1-0"] [ECO "C02"] [BlackElo "1365"] [Annotator "Stockfish 16.1"] [PlyCount "30"] [EventDate "2024.??.??"] {[%evp 9,30,0,51,7,34,-29,197,5,135,-168,84,76,183,105,182,179,272,68,147,107,100,-346,-348]} 1. e4 e6 2. d4 d5 3. e5 c5 4. Nc3 $6 {Inaccuracy. c3 was best.} (4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7) 4... Qb6 $6 {Inaccuracy. cxd4 was best.} (4... cxd4 5. Qxd4 Nc6 6. Qf4 d4 7. Ne4 Qa5+ 8. Bd2 Qxe5 9. Qxe5) 5. Nf3 {[#]} h6 $146 (5... cxd4 6. Nxd4 Bd7 7. Be3 Qxb2 8. Ncb5 Bb4+ 9. Bd2 $2 (9. Ke2 $1 $15 Bxb5+ 10. Nxb5 Qxe5 11. Qd4 Qxd4 12. Bxd4) 9... Bxb5 (9... Bxd2+ $19 10. Kxd2 Bxb5 11. Bxb5+ Nc6 12. Bxc6+ bxc6) 10. Nxb5 $4 {[%mdl 8192]} (10. Bxb5+ $17 {was the crucial defense.} Nd7 11. Bxb4 Qxb4+ 12. Kf1) 10... Qxe5+ $19 11. Be2 Bxd2+ 12. Kxd2 a6 13. Re1 Qf4+ 14. Kc3 axb5 15. Bxb5+ Nc6 16. Rxe6+ fxe6 {0-1 (16) Liwa,L-Marcos,J (2200) Port Moresby 2003}) (5... Bd7 6. b3 (6. Bd3 cxd4 7. O-O $2 {[%mdl 8192]} (7. Ne2) 7... dxc3 $19 8. b3 Nc6 9. Qe1 d4 10. Ng5 Be7 11. Ne4 f6 12. Qe2 Nxe5 13. Qh5+ g6 14. Nxf6+ Bxf6 15. Qe2 Ne7 16. Bf4 Nxd3 17. Qxd3 Nd5 18. Bh6 Qb5 19. Qxb5 Bxb5 20. Rfe1 {Krzyszton,J-Walker,A Detroit 1992 0-1 (39)}) 6... cxd4 7. Nxd4 (7. Qxd4 Qxd4 8. Nxd4) 7... Qc7 8. Bb2 (8. Ndb5 Bxb5 9. Bxb5+ Nc6 10. Bxc6+ Qxc6 11. Ne2) 8... Qxe5+ $17 9. Be2 Nf6 10. O-O Nc6 11. Na4 (11. Ncb5 $17 {was worth a try.} Qb8 12. c4) 11... Nxd4 $1 $19 12. Bxd4 Qc7 $1 13. Bxf6 gxf6 14. Re1 (14. c4 {keeps fighting.} dxc4 15. bxc4) 14... Bd6 15. Bh5 Bxh2+ 16. Kh1 Be5 17. Rc1 Bxa4 18. bxa4 {[%CAl Bf2f4]} Qc4 {aiming for ...Qh4+.} 19. g4 (19. g3 O-O 20. Be2 Qe4+ 21. Bf3) 19... Qf4 $19 {[%csl Ge5][%CAl Rf4h2]} 20. Kg2 {Zubieta,A-Pihajlic,A (2190) Buenos Aires 1978 0-1}) (5... Nc6 6. Na4 (6. dxc5 Bxc5 7. Qd2) (6. Be3 Nh6 (6... Bd7 7. Rb1 (7. Bb5 {keeps the balance.}) 7... Rc8 (7... cxd4 $17 8. Bxd4 Nxd4 9. Qxd4 Qxd4 10. Nxd4 Bc5) 8. Be2 cxd4 9. Bxd4 (9. Nxd4 $15 Nxd4 10. Bxd4) 9... Nxd4 $17 10. Nxd4 (10. Qxd4 $17 {is the only way for White.} Bc5 11. Qh4) 10... Bc5 $19 11. Nf3 Bxf2+ 12. Kf1 Ne7 13. Bd3 Ng6 14. Qd2 Be3 15. Qe1 Nf4 16. g3 Nxd3 17. cxd3 Bc6 18. Qd1 d4 19. Na4 Qa5 20. b3 {Dubanova,K (1115)-Podjavorinsky,P (1609) Slovakia 2020 0-1}) (6... Qxb2 7. Nb5 $16 (7. Bd2 Qb6 $1 (7... Nb4 8. Bb5+ $14 {keeps the upper hand.} (8. Bd3 c4 9. Rb1 $17 (9. Na4 Qa3 10. Bxc4 (10. c3 Nxd3+ 11. Kf1 b5 12. Nc5 Bxc5 13. dxc5 Qxc5 {0-1 (32) Calvert,W (868)-Catabay,R (1646) Hull 2024} 14. Be3 Qc7 15. Rb1 Bd7 16. Ne1 Nxe1 17. Kxe1 Qxe5 18. Kf1 Nf6 19. Bd4 Qd6 20. Qc1 h6 21. Ra1 a5 22. a3 Bc6 23. Ra2 Rg8 24. Qa1 Kd7 25. g3 e5 26. Be3 d4 27. Rd2 Bxh1 28. cxd4 e4 29. Kg1 Bf3 30. a4 b4 31. Qa2 b3 32. Qb2 Qb4 {0-1 (32) Calvert,W (868)-Catabay,R (1646) Hull 2024}) 10... dxc4 11. Nc3) 9... Qa3 10. Be2) 8... Bd7 9. Bxd7+ Kxd7 10. Rb1 Qxc2 11. a3)))) 6... Qb4+ $2 {[%mdl 8192]} (6... Qa5+ $17 {and life is bright.} 7. Nc3 a6) 7. Nc3 $2 (7. c3 $18 Qa5 8. Nxc5) 7... cxd4 8. a3 Qb6 9. Ne2 Bc5 (9... Qa5+ $15 10. Bd2 Qb6) 10. b4 $14 d3 11. bxc5 dxe2 12. Bxe2 Qxc5 {[%CAl Bc6e5]} 13. O-O Qc3 14. Be3 Nxe5 $2 {[%mdl 8192]} (14... Nge7 $14) 15. Bd4 $18 Nxf3+ 16. Bxf3 Qc6 17. Bxg7 Bd7 18. Bxh8 f6 19. Qd4 Ke7 20. Bh5 {Hadzic,J-Tus,M Pokljuka 1991 1-0 (50)}) ({RR} 5... Bd7 6. b3 cxd4 7. Nxd4 Qc7 8. Bb2 Qxe5+ 9. Be2 Nf6 10. O-O Nc6 11. Na4 Nxd4 12. Bxd4 Qc7 13. Bxf6 gxf6 14. Re1 Bd6 15. Bh5 Bxh2+ 16. Kh1 Be5 17. Rc1 Bxa4 18. bxa4 Qc4 19. g4 Qf4 20. Kg2 {Zubieta,A-Pihajlic,A (2190) Buenos Aires 1978 0-1}) ({RR} 5... cxd4 6. Nxd4 Bd7 7. Be3 Qxb2 8. Ncb5 Bb4+ 9. Bd2 Bxb5 10. Nxb5 Qxe5+ 11. Be2 Bxd2+ 12. Kxd2 a6 13. Re1 Qf4+ 14. Kc3 axb5 15. Bxb5+ Nc6 16. Rxe6+ fxe6 {0-1 (16) Liwa,L-Marcos,J (2200) Port Moresby 2003}) ({RR} 5... Nc6 6. Be3 Bd7 7. Rb1 Rc8 8. Be2 cxd4 9. Bxd4 Nxd4 10. Nxd4 Bc5 11. Nf3 Bxf2+ 12. Kf1 Ne7 13. Bd3 Ng6 14. Qd2 Be3 15. Qe1 Nf4 16. g3 Nxd3 17. cxd3 Bc6 18. Qd1 d4 19. Na4 Qa5 20. b3 {Dubanova,K (1115)-Podjavorinsky,P (1609) Slovakia 2020 0-1}) ({RR} 5... Nc6 6. Na4 Qb4+ 7. Nc3 cxd4 8. a3 Qb6 9. Ne2 Bc5 10. b4 d3 11. bxc5 dxe2 12. Bxe2 Qxc5 13. O-O Qc3 14. Be3 Nxe5 15. Bd4 Nxf3+ 16. Bxf3 Qc6 17. Bxg7 Bd7 18. Bxh8 f6 19. Qd4 Ke7 20. Bh5 {Hadzic,J-Tus,M Pokljuka 1991 1-0 (50)}) ({RR} 5... Bd7 6. Bd3 cxd4 7. O-O dxc3 8. b3 Nc6 9. Qe1 d4 10. Ng5 Be7 11. Ne4 f6 12. Qe2 Nxe5 13. Qh5+ g6 14. Nxf6+ Bxf6 15. Qe2 Ne7 16. Bf4 Nxd3 17. Qxd3 Nd5 18. Bh6 Qb5 19. Qxb5 Bxb5 20. Rfe1 {Krzyszton,J-Walker,A Detroit 1992 0-1 (39)}) 6. Rb1 {C02: French: Advance Variation.} Nc6 7. Bd3 (7. dxc5 $14 Bxc5 8. Qd2) 7... g6 $4 {Blunder. Nxd4 was best. [#]} (7... Nxd4 8. Nxd4 cxd4) 8. a3 $4 {Blunder. dxc5 was best.} (8. dxc5 Bxc5 9. O-O Qd8 10. a3 a6 11. b4 Bb6 12. b5 axb5 13. Nxb5 Bc5) 8... a6 $2 {Mistake. Nxd4 was best.} (8... Nxd4 9. Nxd4 cxd4 10. Ne2 Bd7 11. b4 Ne7 12. Bb2 Bb5 13. Nxd4 Bxd3 14. cxd3) 9. Be2 $4 {[%mdl 8192] Blunder. dxc5 was best.} (9. dxc5 Bxc5 (9... Qxc5) 10. O-O) 9... g5 $4 {Blunder. cxd4 was best.} (9... Nxd4 10. O-O $17) (9... cxd4 10. Na2 (10. Na4) 10... Bg7) 10. Na4 $16 Qa7 $6 {Inaccuracy. Qa5+ was best.} (10... Qa5+ 11. c3 c4 12. b4 cxb3 13. Qxb3 b5 14. Nb2 Qxa3 15. Qc2 Qa5 16. O-O) 11. Nxc5 $6 {Inaccuracy. dxc5 was best.} (11. dxc5 Bxc5 12. Nxc5 Qxc5 13. O-O (13. b4 Qb6 14. O-O Nge7 15. Re1 Qc7 16. Bb2 Ng6)) 11... Bxc5 $6 {Inaccuracy. g4 was best.} (11... g4 12. Nh4) 12. dxc5 $18 Qb8 $6 {Inaccuracy. Qxc5 was best.} (12... Qxc5 13. O-O Qf8 (13... Nge7 14. b4 Qb6 15. Re1 Bd7 16. Bd3 Ng6 17. a4 g4 18. Be3)) 13. Bd3 $4 {Blunder. b4 was best.} (13. O-O $18) (13. b4 Bd7 14. O-O Nge7 15. c4 g4 16. Nd2 Rg8 17. Bb2 Qc7 18. Re1 h5) 13... Nxe5 $6 {Inaccuracy. g4 was best.} (13... g4) 14. Nxe5 Qxe5+ {[#]} 15. Be3 $4 {[%mdl 8192] Blunder. Be2 was best.} (15. Be2) 15... d4 {[%mdl 32768] Weighted Error Value: White=1.66/Black=1.27. Loss on time!? PRECISÃO LICHESS: BRANCAS 96% PRETAS 71%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.20"] [White "Handel, Scholze Marques"] [Black "Wellington, Correa Soares"] [Result "1-0"] [ECO "C56"] [WhiteElo "1587"] [BlackElo "1298"] [Annotator "Stockfish 16.1"] [PlyCount "79"] [EventDate "2024.??.??"] {[%evp 17,79,19,25,-65,375,376,356,371,357,345,363,333,389,385,395,392,458,437,464,464,539,538,543,543,531,537,560,555,568,557,570,571,576,572,637,641,29984,29985,29985,29986,29986,602,633,635,844,803,815,614,610,605,29985,29986,29977,699,29995,29994,29994,29995,29995,29988,29988,29989,29989,29988]} 1. e4 {[%CAl Be2e4,Be4e5,Be5f6,Bf6g7][%mdl 32]} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 exd4 $6 {Inaccuracy. Bxd4 was best.} (5... Bxd4 6. Nxd4 Nxd4 7. Be3 Nc6 8. f4 Qe7 9. Bd5 exf4 10. Bxf4) 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. fxg7 Rg8 10. Ng5 $6 {Inaccuracy. Bg5 was best. C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} (10. Bg5 Be7 11. Bxe7 Qxe7 (11... Kxe7 12. Na3 (12. c3 dxc3 13. Qa4 Kf6 14. Nxc3 Kxg7 15. Rad1 Qf6)) 12. Nxd4 Rd8 13. c3 Nxd4 14. cxd4 {aiming for Nc3.} Rxg7 15. Nc3 {Strongly threatening d5.} c6 {Inhibits d5.} 16. Ne4 Kf8 17. Nc5 Qf6 18. Re5 (18. Nxe6+ {keeps the balance.} fxe6 19. Re4) 18... Qxe5 $2 (18... Bh3 $1 $17 19. g3 Rg4) 19. dxe5 $14 {[%CAl Rd1d8]} Rxd1+ 20. Rxd1 {Rd8+ is the strong threat.} Bd5 21. g3 $1 b5 22. f4 (22. Nd7+ $1 $16 Ke7 23. Nf6) 22... Ke7 23. Kf2 f6 24. Re1 fxe5 25. Rxe5+ Kd6 26. Ne4+ Bxe4 27. Rxe4 Kc5 (27... a5) 28. a3 (28. f5 $16) 28... Rd7 29. f5 Rd2+ (29... a5 {remains equal.}) 30. Re2 (30. Ke3 $16 Rxb2 31. f6 Rb3+ 32. Kf4) 30... Rd5 $2 {[%mdl 8192]} (30... Rxe2+ $1 {and Black is okay.} 31. Kxe2 Kd5) 31. g4 $18 a5 32. f6 {And now f7 would win.} Rd8 33. g5 b4 34. Re5+ Kd4 {[#]} 35. Re1 $1 {Hoping for Rd1+.} Rf8 36. axb4 axb4 {[#]} 37. Rd1+ $2 (37. Re6 $1 $18) 37... Ke4 38. Rc1 Kd3 39. Kf3 c3 {Alexakis,D (2450)-Shirov,A (2662) Chess.com INT 2021 0-1 (65)}) 10... Qd7 $4 {[%mdl 8192] Blunder. Qd5 was best.} (10... Rxg7 $2 11. Nxe6 fxe6 12. Qh5+ Ke7 13. Qxc5+ $18) (10... Qd5 11. Nc3) 11. Nxe6 $18 fxe6 12. Qh5+ {White is winning.} Qf7 13. Qxc5 O-O-O 14. Qxc4 Qxg7 {[%csl Gg8][%CAl Rg7g2]} 15. Qxe6+ {[#]} Kb8 $146 {[%csl Gg8][%CAl Rg7g2]} (15... Rd7 16. Qh3 Nb4 17. Na3 Kb8 18. Bh6 Qg6 19. Bf4 a6 20. Bg3 Rdd8 21. Qe6 Qh5 {1-0 (50) Guzman,V (1318)-Azocar Gajardo,J (1004) Tornelo INT 2020} 22. Qe5 Qf7 23. Qe7 Qxe7 24. Rxe7 Nd5 25. Re5 Ka7 26. Rae1 Kb6 27. Re6+ Kc5 28. R6e5 Rd6 29. Re8 Rg7 30. Bxd6+ {Guzman,V (1318)-Azocar Gajardo,J (1004) Tornelo INT 2020 1-0 (50)} cxd6 31. R8e4 b5 32. Rd1 b4 33. Nb1 d3 34. Rxd3 Rg5 35. Rdd4 Nf6 36. Rc4+ Kb6 37. Rxb4+ Kc7 38. Re7+ Kd8 39. Re1 Nd5 40. Ra4 Nb6 41. Rxa6 Kc7 42. Nc3 Kb7 43. Ra3 Nc4 44. Rb3+ Kc6 45. Ne4 {Guzman,V (1318)-Azocar Gajardo,J (1004) Tornelo INT 2020 1-0}) ({RR} 15... Rd7 16. Qh3 Nb4 17. Na3 Kb8 18. Bh6 Qg6 19. Bf4 a6 20. Bg3 Rdd8 21. Qe6 Qh5 22. Qe5 Qf7 23. Qe7 Qxe7 24. Rxe7 Nd5 25. Re5 Ka7 26. Rae1 Kb6 27. Re6+ Kc5 28. R6e5 Rd6 29. Re8 Rg7 30. Bxd6+ {Guzman,V (1318)-Azocar Gajardo,J (1004) Tornelo INT 2020 1-0 (50)}) 16. g3 a6 $6 {Inaccuracy. Qh8 was best.} (16... Qh8 17. Qh3 Qf6 18. Nd2 Ne5 19. Rxe5 Qxe5 20. Qf1 Rdf8 21. Nb3 Qd6 22. Bd2) 17. Bf4 h5 18. h4 Rgf8 $6 {Inaccuracy. Nb4 was best.} (18... Nb4 19. Nd2 Nxc2 20. Rac1 Nxe1 21. Qxe1 Rde8 22. Qd1 Re7 23. Qxh5 Rf8 24. Qg5) 19. Bh6 Qh8 20. Bxf8 Qxf8 21. Nd2 Ka7 22. Nb3 Rd6 23. Qe8 Qf3 24. Qe4 Qf7 25. Rad1 Rf6 26. Nxd4 Qxa2 27. Nxc6+ Rxc6 28. Qd4+ Rb6 29. Ra1 (29. Qc5 Qg8 30. Re7 Qf8 31. Qxc7 a5 32. Rd8 Qxe7 33. Qxe7 Rc6 34. Qe3+ Ka6 35. Qb3) 29... Qf7 30. b4 Ka8 31. Qd8+ Ka7 32. Re7 Qf6 33. Rae1 Rd6 34. Qxc7 {[%csl Ge7][%CAl Rc7b7]} Rb6 35. Qc5 (35. Re8 Qd6 36. Qc8 Rc6 37. Qa8+ Kb6 38. R8e7 Rc7 39. R1e6 Qxe6 40. Rxe6+ Kb5 41. Qb8) 35... Qf3 $2 {Checkmate is now unavoidable. Qd6 was best.} (35... Qd6 36. R1e6 Qxc5 37. bxc5 Rxe6 38. Rxe6 a5 39. Kf1 a4 40. Re4 b5 41. cxb6+) 36. R1e6 {Prevents Qc6. White mates.} Qd1+ 37. Kg2 Qd8 38. Rxb6 $6 {Lost forced checkmate sequence. Re8 was best.} (38. Re8 Qd5+ 39. Qxd5 Rxe6 40. Rxe6 Kb8 41. Re7 Ka7 42. Qxb7#) 38... Qxb6 39. Qxb6+ Kxb6 40. Re5 {Weighted Error Value: White=0.10 (very precise) /Black=0.53 PRECISÃO LICHESS: BRANCAS 97% PRETAS 86%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.21"] [White "Jose, Lourenco Kallas"] [Black "Marcello, Henrique Amaral Da"] [Result "0-1"] [Annotator "Stockfish 16.1"] [PlyCount "0"] [EventDate "2024.??.??"] 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.22"] [White "Gabriel, Silva Cosme"] [Black "Michel, Mattos da Silva"] [Result "0-1"] [ECO "B22"] [WhiteElo "1577"] [BlackElo "1268"] [Annotator "Stockfish 16.1"] [PlyCount "95"] [EventDate "2024.??.??"] {[%evp 9,95,48,244,66,123,62,167,65,199,43,155,-14,138,35,78,87,177,168,175,83,143,130,147,144,298,211,276,186,250,112,130,108,180,171,166,63,154,162,155,166,160,142,158,176,173,133,196,200,168,195,243,233,254,257,301,247,315,309,435,394,407,422,470,321,311,317,336,257,389,393,436,426,508,470,547,407,504,505,505,493,558,558,545,537,529,525,530,482]} 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 g6 $2 {Mistake. d5 was best.} (5... d5 6. e5 Nge7 7. Nbd2 (7. Na3 $14) (7. Bb5 Bd7 8. Nc3 Nf5 9. O-O Rc8 10. Ba4) 7... Nf5 8. Bd3 (8. Nb3 $1) 8... Nfxd4 $15 9. Nxd4 Nxd4 10. O-O Bd7 11. Qg4 Qb6 12. b3 h5 13. Qh3 (13. Qf4 $17) 13... Bb4 14. Nf3 Bc3 15. Rb1 Nxf3+ 16. Qxf3 {[%CAl Bd3g6]} Bxe5 17. Re1 Qd6 18. h4 Rc8 19. Bd2 g6 20. Bg5 {[%CAl Be1e5] Threatens to win with Rxe5!} Bg7 21. Rbd1 (21. Bf4 Qb4 22. Qg3) 21... O-O $19 22. g4 hxg4 23. Qxg4 e5 24. Qg3 Qe6 25. Be2 d4 26. h5 Rc3 27. Rd3 Rfc8 28. h6 Bf6 29. Bd2 Rxd3 30. Bxd3 Qg4 31. Qxg4 Bxg4 32. f4 exf4 33. Bxf4 Kh7 34. Bc4 g5 35. Bd2 {Naroditsky,D (2618)-Xiong,J (2692) Chess.com INT 2023 0-1}) 6. Be2 $2 {Mistake. d5 was best. B22: Sicilian: 2 c3.} (6. d5 Nb8 7. Nc3 Nf6 8. Bc4 d6 9. dxe6 Bxe6 10. Bxe6 fxe6) 6... Bg7 $6 {Inaccuracy. d5 was best.} (6... d5 7. e5 Nge7 8. h4 Qb6 9. Nc3 Nf5 10. Na4 Qa5+ 11. Kf1) 7. O-O $6 {Inaccuracy. d5 was best.} (7. d5 exd5 (7... Ne5 8. Nxe5 Bxe5 9. f4 Bg7 10. Nc3 Ne7 11. d6 Nc6) 8. exd5 (8. Qxd5 Nf6 $15) 8... Qa5+ 9. Nc3) 7... Nge7 $6 {Inaccuracy. d5 was best.} (7... d5 8. e5 Nge7 9. Nc3 O-O 10. Bb5 Bd7 11. Be3 h6 12. Bd3) 8. Nc3 $6 {Inaccuracy. d5 was best.} (8. d5 Ne5 9. Nxe5 Bxe5 10. Nc3 O-O 11. Bg5 d6 12. Rc1 Bxc3) 8... a6 $2 {Mistake. d6 was best. [#]} (8... d5 $14) (8... d6) 9. a4 $146 {Mistake. d5 was best.} (9. Bg5 {[%eval 200,0] 9.d5} f6 (9... d5 $14) 10. Be3 {Hoping for d5.} d5 11. exd5 Nxd5 12. Nxd5 Qxd5 (12... exd5 $14 13. Qb3 O-O) 13. Qd2 (13. Nd2 $1 $16) 13... O-O $14 14. b3 Bd7 15. Bh6 (15. Rac1 $14) 15... Ne7 16. Bc4 Qh5 (16... Bxh6 17. Qxh6 Qd6) 17. Bxg7 $14 Kxg7 18. Rfe1 Kf7 $2 (18... Nd5 $14) 19. Re2 $2 (19. d5 $18 Kg7 20. Qb4) 19... b5 (19... Nd5 $16) 20. Bxe6+ $1 $18 Bxe6 21. Rae1 Qd5 {[%CAl Be7f5]} 22. Qe3 $2 (22. Rxe6 $18 Qxe6 23. Rxe6 Kxe6 24. Qh6) 22... Nf5 23. Qxe6+ Qxe6 {Christodoulou,N-Giotsa,E Athens 2000 1-0 (35)}) (9. Be3 d6 10. Qd2 O-O (10... Bd7 11. Rac1 O-O 12. Bh6 f5 (12... d5 $16) 13. Bxg7 Kxg7 14. e5 Be8 15. Rfd1 (15. Qf4 $16) 15... dxe5 $14 16. dxe5 Qxd2 17. Rxd2 Rd8 18. Rcd1 Rxd2 19. Rxd2 b5 20. a4 Nb4 $2 {[%mdl 8192]} (20... bxa4 $1 $14 21. Bxa6 Nd5) 21. axb5 Ned5 $2 (21... Bxb5 22. Ng5 Rc8 23. Nxe6+ Kf7) 22. bxa6 $18 Bc6 23. Nd4 Bd7 {Roy,A (1891)-Muzuva Chiedza,L Al Ain 2013 1-0 (40)}) 11. Bh6 f6 12. Bxg7 Kxg7 13. Bd3 (13. d5 $16 exd5 14. Nxd5) 13... b5 14. a3 Bb7 (14... Qb6 $14) 15. Bc2 (15. d5 $18) 15... Na5 $14 16. b3 Nac6 (16... e5 $14) 17. b4 (17. d5 $18) 17... Qc7 (17... e5) 18. Bb3 e5 19. d5 (19. Qe3) 19... Nd8 $16 20. Rfc1 {[%CAl Bc3a4]} Qd7 (20... Qb6) 21. Nh4 (21. a4) 21... Nf7 22. f4 (22. a4 $16) 22... exf4 23. Qxf4 Ne5 {Raymond,R (1451)-Traversy,P (1096) Gatineau 2012 1-0 (77)}) (9. d5 Ne5 (9... exd5 10. exd5 Ne5 11. d6 N7c6 12. Nd5 O-O 13. Be3 Nxf3+ 14. Bxf3 Bxb2 15. Bb6 {0-1 (41) Nadan,A (1540)-Ahmed,A (1838) Chennai 2022} Qg5 16. Rb1 Be5 17. Nc7 Rb8 18. Bxc6 $2 (18. Qd3 $18 {And now g3 would win.} Bf4 19. Bd5) 18... bxc6 $14 19. f4 $2 {[%mdl 8192]} (19. Re1 $1 $16 {stays on course.}) 19... Bxf4 $19 {[%CAl Bb8b6]} 20. Kh1 Qh4 {[%csl Gf4][%CAl Rh4h2]} 21. h3 Qg3 {[%csl Gf4][%CAl Rg3h2]} 22. Bg1 {Prevents Qh2+.} (22. Rxf4 Qxf4 23. Rb3) 22... Rxb1 $19 23. Qxb1 Bxd6 24. Na8 c5 25. Qe4 c4 {White must now prevent ...Qe5.} 26. Nb6 c3 (26... Qe5 $19 {has better winning chances.} 27. Qxe5 Bxe5 28. Nxc4 d6) 27. Nc4 $2 {[%mdl 8192]} (27. Nd5 $17) 27... Bb8 $19 {[%CAl Bd7d5] ...d5! is the strong threat.} 28. Rf3 Qc7 29. Rxc3 Bb7 30. Qc2 Rc8 31. Re3 d5 32. Qe2 dxc4 33. Re8+ Rxe8 34. Qxe8+ Kg7 {( ? ...c3)} 35. Bd4+ f6 {[%csl Gb8][%CAl Rc7h2]} 36. Kg1 Qh2+ 37. Kf1 Qxg2+ 38. Ke1 Bg3+ {Nadan,A (1540)-Ahmed,A (1838) Chennai 2022 0-1}) 10. Bg5 (10. Nxe5 Bxe5 11. f4 Qb6+ 12. Kh1 Bxc3 13. bxc3 exd5 14. exd5 O-O) 10... Nxf3+ 11. Bxf3 d6) ({RR} 9. Bg5 f6 10. Be3 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qd2 O-O 14. b3 Bd7 15. Bh6 Ne7 16. Bc4 Qh5 17. Bxg7 Kxg7 18. Rfe1 Kf7 19. Re2 b5 20. Bxe6+ Bxe6 21. Rae1 Qd5 22. Qe3 Nf5 23. Qxe6+ Qxe6 {Christodoulou,N-Giotsa,E Athens 2000 1-0 (35)}) ({RR} 9. Be3 d6 10. Qd2 O-O 11. Bh6 f6 12. Bxg7 Kxg7 13. Bd3 b5 14. a3 Bb7 15. Bc2 Na5 16. b3 Nac6 17. b4 Qc7 18. Bb3 e5 19. d5 Nd8 20. Rfc1 Qd7 21. Nh4 Nf7 22. f4 exf4 23. Qxf4 Ne5 {Raymond,R (1451)-Traversy,P (1096) Gatineau 2012 1-0 (77)}) ({RR} 9. Be3 d6 10. Qd2 Bd7 11. Rac1 O-O 12. Bh6 f5 13. Bxg7 Kxg7 14. e5 Be8 15. Rfd1 dxe5 16. dxe5 Qxd2 17. Rxd2 Rd8 18. Rcd1 Rxd2 19. Rxd2 b5 20. a4 Nb4 21. axb5 Ned5 22. bxa6 Bc6 23. Nd4 Bd7 {Roy,A (1891)-Muzuva Chiedza,L Al Ain 2013 1-0 (40)}) 9... O-O $2 {Mistake. d5 was best. [#]} (9... d5 10. e5) 10. Be3 $4 {Blunder. d5 was best.} (10. d5 Nb4 11. Qb3 a5 12. dxe6 fxe6 13. Be3 d5 14. Rad1 h6 15. Rfe1 Kh7) 10... b6 $2 {Mistake. d5 was best.} (10... d5 11. Qd2) 11. Qd2 $6 {Inaccuracy. d5 was best.} (11. d5 Na5 (11... exd5 12. exd5 Nb4 13. Re1 d6 14. Bg5 h6 15. Bxe7 Qxe7 16. Bxa6 Qc7) 12. Rc1) 11... Bb7 12. Bh6 $36 {[%mdl 2048] White is on the roll.} Na7 $6 {Inaccuracy. d5 was best.} (12... d5 13. Bxg7 Kxg7 14. e5 Nf5 15. Nd1 Qe7 16. Ne3 Qb4 17. Nxf5+ exf5 18. Qe3) 13. Bxg7 $18 Kxg7 14. Ne5 $6 {Inaccuracy. d5 was best.} (14. d5) 14... d6 (14... d5) 15. Ng4 {Qh6+ would kill now.} Ng8 {Prevents Qh6+.} 16. f4 Qh4 $4 {Blunder. f5 was best.} (16... f5 17. Ne3 d5 18. e5 Nc6 19. Rfb1 g5 20. b4 g4 21. Rb2 Nge7 22. Rab1) 17. Ne3 $6 {Inaccuracy. d5 was best.} (17. d5 h5 18. Qd4+ Kh7 19. Nf2 Qe7 20. Nh3 e5 21. Qxb6 exf4 22. Nxf4 a5) 17... Nc8 {[%CAl Ba7c8,Bc8e7,Be7f5][%mdl 32]} 18. Rf3 $6 {Inaccuracy. d5 was best.} (18. d5 Qd8 19. Qd4+ Qf6 20. e5 dxe5 21. fxe5 Qd8 22. d6 Nce7 23. Qf4 Nf5) 18... Qd8 (18... d5 {is a better defense.}) 19. Rg3 $6 {Inaccuracy. d5 was best.} (19. f5 $18 {is more deadly.}) (19. d5 b5 20. f5 e5 21. Raf1 f6 22. axb5 axb5 23. Bxb5 Nce7 24. h3 Bc8) 19... Nce7 {[%CAl Bb6b5]} 20. f5 Kh8 (20... Bxe4 $16 {was worth a try.} 21. fxe6 (21. Nxe4 exf5 22. Ng5 f4 $14) 21... d5) 21. fxg6 fxg6 22. Ng4 $6 {Inaccuracy. d5 was best.} (22. d5 e5) 22... d5 $6 {Inaccuracy. b5 was best.} (22... b5) 23. e5 $16 Nf5 24. Rh3 Rf7 25. Rf1 Qe7 26. Bd3 Raf8 (26... Nxd4 $2 27. Bxg6 Nf5 28. Bxf7 Qxf7 29. Qg5 $18) 27. Bxf5 exf5 $6 {Inaccuracy. Rxf5 was best. [#]} (27... Rxf5 28. Rxf5 Rxf5 29. Ne2 Qf8 30. Qe1 Bc6 31. Rb3 Bxa4 32. Rxb6 Rf7 33. Nc3) 28. Nh6 $1 $18 Nxh6 29. Qxh6 Rg8 $6 {Inaccuracy. Qb4 was best.} (29... Qb4) 30. Ne2 Rfg7 31. Qd2 Bc6 32. b3 a5 33. Rc1 Rc8 $6 {Inaccuracy. Bb7 was best.} (33... Bb7 34. Nf4 Rd8 (34... Qe8 35. Qe2 Re7 36. Rhc3 g5 37. Nh5 Qg6 38. Qd1 Rf8 39. Nf6)) 34. Nf4 Rgg8 35. Rhc3 Qd7 $6 {Inaccuracy. Bb7 was best.} (35... Bb7 36. Nxd5 Bxd5 37. Rxc8 Rxc8 38. Rxc8+ Kg7 39. Rc1 Qd8 40. Re1 Be4 41. Qc3) 36. Qc2 $2 {[%CAl Rc3c6] Mistake. e6 was best.} (36. e6) 36... Bb7 37. Qe2 Rge8 38. Rxc8 Bxc8 $2 {Mistake. Rxc8 was best.} (38... Rxc8 39. Re1 (39. Rf1 Kg8 40. h3 Qe7 41. Kh2 Rc3 42. e6 Rc8 43. Qf2 g5 44. Qg3) 39... Re8) 39. Qb5 Qxb5 $6 {Inaccuracy. Qd8 was best.} (39... Qd8 40. Qc6 g5 41. Nh5 Be6 42. Qc7 Qxc7 43. Rxc7 Rf8 44. h4 h6 45. Rc6) 40. axb5 {[%mdl 4096] Endgame KRB-KRN} Bd7 41. Nxd5 $6 {Inaccuracy. Rc7 was best.} (41. Rc7 Be6 42. Rc6 Bf7 43. Rxb6 Ra8 44. e6 Bg8 45. h4 Kg7 46. Nxd5 Rc8) 41... Bxb5 $2 {Mistake. Be6 was best.} (41... Be6 42. Nf6 Re7 43. Rc6 Bxb3 44. Rxb6 a4 45. Ra6 Bc4 46. Ra8+ Kg7 47. b6) 42. Nxb6 $2 {Mistake. Rc7 was best.} (42. Rc7 Kg8 43. Nf6+ Kf8 44. Nxh7+ Kg8 45. Nf6+ Kf8 46. Nxe8 Kxe8 47. d5 a4) 42... Rd8 43. Rc5 {White is clearly winning.} Be8 44. d5 Rb8 45. Rc8 Rxc8 46. Nxc8 Kg7 47. Kf2 Kf7 48. Ke2 {[%mdl 32768] Weighted Error Value: White=0.52/Black=0.64. Sensor Board Error (Ke4/e5)? PRECISÃO LICHESS: BRANCAS 83% PRETAS 81%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.23"] [White "Diogo, Ubirajara Correa Ju"] [Black "Joao Guilherme Alves Sabadin"] [Result "1/2-1/2"] [ECO "B23"] [WhiteElo "1570"] [BlackElo "1059"] [Annotator "Stockfish 16.1"] [PlyCount "85"] [EventDate "2024.??.??"] {[%evp 9,85,81,76,12,39,32,39,3,43,36,31,-2,116,-29,-34,-64,-60,-62,-59,-58,-44,-60,-55,-143,-8,-12,-9,-15,-19,-61,-39,-79,0,-7,17,13,16,9,51,0,0,0,0,-26,-27,-46,0,-1,0,0,0,-7,-7,-8,-9,-19,-17,-16,-13,-33,-8,-8,0,0,0,-8,0,0,0,0,0,0,0,0,165,0,0,0]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 d5 5. exd5 exd5 6. Be2 $6 {Inaccuracy. Bb5 was best. C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} (6. Bb5 Nf6 7. O-O c4 (7... Bd6 8. Bg5 O-O 9. Bxf6 Qxf6 10. Nxd5 Qg6) 8. Re1+ Be7 9. Ne5 {Inhibits Bg4.} Bd7 10. Nxd7 Qxd7 11. Bg5 $1 {[%CAl Rg5f6]} O-O 12. Qf3 (12. Rxe7 $1 $16 Qxe7 13. Nxd5) 12... Rad8 13. Rad1 {[%CAl Bb5c4]} h6 14. Bxc6 bxc6 15. Bh4 Rfe8 16. Bg3 Qb7 17. b3 cxb3 18. axb3 Bb4 19. Rxe8+ Rxe8 20. Na4 Ne4 21. Be5 Qa6 22. h3 Bf8 23. Re1 (23. Nc3 $5 {[%CAl Rc3e4]}) 23... Ng5 24. Qd1 Bb4 25. Re3 Ne6 26. Qg4 Bf8 27. Rg3 Qa5 28. Qf3 (28. c3) 28... Qe1+ $17 29. Kh2 Ng5 30. Qf5 f6 31. Bf4 $2 {[%mdl 8192]} (31. Re3 $17 Qf1 32. h4 fxe5 33. hxg5) 31... Qxf2 $19 32. h4 Ne6 (32... Re1 {[%csl Ge1][%CAl Rf2g1]} 33. Rxg5 hxg5) 33. Rg4 $2 (33. Qg6 Qxf4 34. Qxe8 Qxh4+ 35. Rh3 Qf4+ 36. Rg3 Nxd4 37. Qe3 Qh4+ 38. Rh3) 33... h5 34. Qxh5 Re7 $2 (34... Nxf4 $19 {is more deadly.} 35. Qxe8 Ne2 36. Qe6+ Kh8) 35. Bg3 (35. Bd6 $17 Rf7 36. Bxf8 Nxf8 37. Nc5) 35... Qxc2 {Pichot,A (2630)-Xiong,J (2709) Chess.com INT 2020 ½-½}) 6... cxd4 (6... Nf6 7. O-O Be7 8. Bg5 O-O 9. dxc5 Be6 10. Qd2 Qa5 (10... Bxc5 11. a3 Re8) 11. Rfd1 (11. Bb5 $16) 11... Rfd8 12. Nb5 Qxd2 13. Nxd2 Bxc5 14. Bxf6 gxf6 15. Nb3 Bb6 16. c3 {Inhibits d4.} Ne5 17. a4 a6 18. N5d4 Rac8 19. Kf1 Kf8 20. h3 Ke7 21. Re1 {Tan,C (2410)-Farina,S (2120) Rome 1995 1-0 (66)}) (6... Be7 {[%eval 14,0] 6...c4} 7. dxc5 Nf6 8. Be3 O-O 9. O-O Be6 10. h3 {Prevents Ng4.} (10. Nd4) 10... Qa5 (10... Ne4 $16 {was necessary.}) 11. a3 $18 Bxc5 $2 (11... Qd8 12. Qd3 Qc8) 12. b4 $18 Nxb4 13. axb4 Qxb4 14. Bxc5 Qxc5 15. Qd4 Rfc8 16. Nb5 a6 17. Qxc5 Rxc5 18. Nbd4 Re8 19. Bd3 g6 20. Rfe1 Kg7 21. Re5 {Hasan,M (2212)-Dechen Dorji Godawari IND 2023 1-0 (34)}) ({RR} 6... Nf6 7. O-O Be7 8. Bg5 O-O 9. dxc5 Be6 10. Qd2 Qa5 11. Rfd1 Rfd8 12. Nb5 Qxd2 13. Nxd2 Bxc5 14. Bxf6 gxf6 15. Nb3 Bb6 16. c3 Ne5 17. a4 a6 18. N5d4 Rac8 19. Kf1 Kf8 20. h3 Ke7 21. Re1 {Tan,C (2410)-Farina,S (2120) Rome 1995 1-0 (66)}) ({RR} 6... Be7 7. dxc5 Nf6 8. Be3 O-O 9. O-O Be6 10. h3 Qa5 11. a3 Bxc5 12. b4 Nxb4 13. axb4 Qxb4 14. Bxc5 Qxc5 15. Qd4 Rfc8 16. Nb5 a6 17. Qxc5 Rxc5 18. Nbd4 Re8 19. Bd3 g6 20. Rfe1 Kg7 21. Re5 {Hasan,M (2212)-Dechen Dorji Godawari IND 2023 1-0 (34)}) 7. Nxd4 Nf6 $146 {[#]} (7... Bb4 8. Qd3 (8. O-O $16) 8... Nge7 9. O-O O-O 10. Ncb5 a6 11. c3 axb5 12. cxb4 Nxb4 13. Qxb5 Nec6 14. Nxc6 Nxc6 15. Rd1 {Prevents Nd4.} Ra5 16. Qb3 Be6 17. Be3 (17. Bd2 $16 Ra7 18. a3) 17... d4 (17... Qe7 {remains equal.} 18. Qb6 d4 19. Bxd4 Nxd4 20. Rxd4 Rxa2) 18. Qxb7 $16 Bd5 19. Bd2 Ra8 {½-½ (19) Morros Faura,R (2242)-Bals Hernandez,J (1984) Llinars del Valles 2010}) ({RR} 7... Bb4 8. Qd3 Nge7 9. O-O O-O 10. Ncb5 a6 11. c3 axb5 12. cxb4 Nxb4 13. Qxb5 Nec6 14. Nxc6 Nxc6 15. Rd1 Ra5 16. Qb3 Be6 17. Be3 d4 18. Qxb7 Bd5 19. Bd2 Ra8 {½-½ (19) Morros Faura,R (2242)-Bals Hernandez,J (1984) Llinars del Valles 2010}) 8. Bf4 $146 {Hoping for Ndb5. White is slightly better.} (8. O-O Be7 9. Re1 O-O 10. Bf3 Nxd4 11. Qxd4 Be6 12. Be3 a6 13. Rad1 Rc8 14. h3 h6 15. Qd2 b5 16. a3 Qc7 {½-½ (56) Sousa,A (2426)-Vogel,R (2528) Ciutadella de Menorca 2024} 17. Bd4 Rfd8 18. Be5 Qc6 19. Qf4 Bd6 20. Rd4 Bxe5 21. Rxe5 Qd6 22. Qe3 Nd7 23. Rh5 {[%CAl Rc3d5]} Nb6 24. Rdh4 {[%CAl Bh5h6]} Rc4 {aiming for ...Rxh4.} 25. Ne2 {And now Nd4 would win.} Rxh4 26. Rxh4 Nc4 27. Qd4 Qe5 28. Qxe5 Nxe5 29. a4 Rc8 30. axb5 axb5 31. c3 Rc4 32. Nd4 Nxf3+ 33. Nxf3 Rxh4 34. Nxh4 Kf8 35. Kf1 Ke7 {[%CAl Bd5d4]} 36. Ke2 Kd6 37. Kd3 Kc5 {Sousa,A (2426)-Vogel,R (2528) Ciutadella de Menorca 2024 ½-½} (37... g5 $5 {[%CAl Rg5h4]} 38. Nf3 Bf5+ 39. Kd4 f6)) 8... Bd6 9. Bxd6 Qxd6 10. Ndb5 Qd8 $2 {Mistake. Qe5 was best. [#]} (10... Qe5 11. O-O) 11. O-O $2 {Mistake. Nxd5 was best.} (11. Nxd5 Nxd5 (11... O-O 12. c4) 12. Qxd5 $1) 11... d4 12. Nb1 a6 13. N5a3 O-O 14. Nd2 Bf5 15. Nf3 Re8 16. Bd3 $6 {Inaccuracy. Re1 was best. [#]} (16. Re1) 16... Bxd3 $2 {Mistake. Bg4 was best.} (16... Bg4 17. h3 Be6 (17... Bh5 18. Nc4 Nd5 19. g4 b5 20. Ncd2 Bg6 21. Bxg6 hxg6 22. Re1)) 17. Qxd3 Qd7 18. Rad1 {[%CAl Rf3d4]} Rad8 19. Nb1 {[%CAl Ba3b1,Bb1d2,Bd2f3][%mdl 32]} h6 (19... Nh5 $5 {[%CAl Rh5f4]} 20. g3 Qg4 $15) 20. Nbd2 {[#]} Rc8 $6 {Inaccuracy. Nd5 was best.} (20... Nd5 21. Rde1 Nf4 22. Qb3 Ne2+ 23. Kh1 Re6 24. Ng1 d3 25. cxd3 Nf4 26. Rxe6) 21. a3 Ne5 22. Nxe5 Rxe5 23. Nf3 {[%csl Bd4,Be5]} Rd5 24. Rfe1 $6 {Inaccuracy. Nxd4 was best.} (24. Nxd4 Re8 25. c3) 24... Qb5 25. Qxb5 Rxb5 26. Nxd4 Rxb2 27. Re7 Ra2 28. Rxb7 Rxa3 29. h3 Rd8 30. Rbb1 Rc3 31. Ra1 Rc4 32. Nf3 Rxd1+ 33. Rxd1 Rxc2 {[%mdl 4096] Endgame KRN-KRN} 34. Ra1 {[%CAl Bd1a1,Ba1a6,Ba6a8,Ba8e8,Be8e7,Be7f7][%mdl 32]} Ne4 35. Rxa6 Rxf2 36. Ra8+ Kh7 37. Re8 Nf6 38. Re7 Rc2 39. Rxf7 Nd5 40. Nd4 Ra2 41. Ne6 Ra6 $4 {Blunder. Kg6 was best.} (41... Kg6 42. Rd7 (42. Rb7 Ne3 43. Nf8+ Kf6 44. Nh7+ Kg6 45. Nf8+) 42... Ne3) 42. Nc5 $4 {Blunder. Rxg7+ was best.} (42. Nxg7 $6 Kg6 43. Rd7 Ra1+ 44. Kh2 Nf6 $14) (42. Rxg7+ Kh8 43. Rg6 Ra1+ 44. Kh2 Kh7 45. Nf8+ Kh8 46. Rxh6+ Kg7 47. Rd6 Ne3) 42... Ra1+ 43. Kh2 {Weighted Error Value: White=0.31/Black=0.34 PRECISÃO LICHESS: BRANCAS 90% PRETAS 90%} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.24"] [White "Lucas do Nasc. de Araujo"] [Black "Mauro, Araujo Lima De Souz"] [Result "0-1"] [ECO "C42"] [BlackElo "1570"] [Annotator "Stockfish 16.1"] [PlyCount "34"] [EventDate "2024.??.??"] {[%evp 9,33,21,40,-44,4,-2,22,-103,34,-96,-74,-130,-49,-255,-253,-271,-214,-214,-190,-199,-183,-701,-724,-29997,-29998,-29999]} 1. e4 e5 2. Bc4 Nf6 3. Nf3 $6 {Inaccuracy. d3 was best.} (3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a4 Bd6 7. exd5 cxd5) 3... d6 $6 {Inaccuracy. Nxe4 was best.} (3... Nxe4 4. Nxe5 d5 5. Be2 Bd6 6. Nf3 O-O 7. O-O Re8 8. d4) 4. O-O Be7 5. Nc3 c6 {[#]} (5... O-O 6. Re1 Nbd7 7. d4 exd4 8. Nxd4 Re8 9. h3 Bf8 10. Bf4 Ne5 11. Bf1 c6 12. a4 {Inhibits b5.} h6 13. Bh2 a5 14. Qd2 (14. f4 $16) 14... Qb6 {[%CAl Bc8h3]} 15. Kh1 Ng6 16. b3 (16. f4 $16) 16... Bd7 (16... d5) 17. Rad1 Rad8 18. f4 Bc8 19. Bg1 {[%CAl Bd4e6] Hoping for Ne6!} Qb4 {[%CAl Bg6f4]} 20. g3 d5 {[%CAl Rd5e4]} 21. e5 Ne4 (21... Nd7 $16 {was worth a try.}) 22. Nxe4 $18 dxe4 23. c3 Qe7 {Threatens to win with ...c5.} 24. Qg2 f5 25. exf6 (25. Bc4+ $18 Kh7 26. Be3) 25... Qxf6 $16 26. Rxe4 (26. Kh2 $16) 26... Rxe4 (26... Bxh3 $1 {remains equal.} 27. Qe2 Rxe4 28. Qxe4 Bxf1 29. Rxf1 Ne7) 27. Qxe4 $16 c5 28. Bd3 cxd4 29. Qxg6 Qxg6 30. Bxg6 Rd6 31. Bc2 $1 dxc3 32. Rxd6 $1 Bxd6 33. Kg2 Bd7 34. Bd4 Bb4 35. g4 {Nepomniachtchi,I (2771)-Carlsen,M (2839) Chess.com INT 2023 ½-½} (35. f5 $16)) 6. g3 $146 {Inaccuracy. d4 was best. C41: Philidor Defence.} (6. a3 O-O 7. h3 d5 8. Ba2 dxe4 9. Nxe5 Qd4 10. Nc4 Be6 11. Ne2 Qd7 12. Nf4 Bf5 (12... Bxc4 {keeps the balance.} 13. Bxc4 Qc7) 13. Ne3 (13. d4 $16) 13... Bd6 14. Nxf5 Qxf5 15. Ne2 Nbd7 16. d4 {Inhibits Qe5.} exd3 17. cxd3 Rfe8 18. Nd4 Qg6 19. Nf3 Ne5 20. Nxe5 Bxe5 {Tejedor Fuente,E (2428)-Ivanisevic,I (2603) Skopje 2018 1-0 (81)}) (6. a4 O-O (6... a5 7. d3 Na6 8. Ng5 O-O $1 9. f4 h6 (9... Ng4) 10. Nf3 Kh7 (10... exf4 11. Bxf4 Nc5) 11. fxe5 $16 dxe5 12. Nxe5 $2 {[%mdl 8192]} (12. Kh1 $16 {and life is bright.}) 12... Qd4+ $19 13. Kh1 Qxe5 14. d4 Qh5 15. Qd3 $2 (15. Qxh5 Nxh5 16. Rxf7 Rxf7 17. Bxf7) 15... Nb4 $19 16. Qd2 Be6 17. Bd3 Nxd3 18. Qxd3 Kg8 19. Ne2 Qg6 20. Nf4 Qxe4 {Mukhtarova,A-Vladichenko,A (1841) Nikolaev 2009 0-1 (34)}) 7. h3 d5 8. exd5 cxd5 9. Bb3 Nc6 {White must now prevent ...d4.} 10. d3 d4 11. Ne2 Nd5 12. Ng3 Kh8 13. Re1 f6 14. Bd2 Bb4 {Inhibits c3.} 15. Bxb4 Ndxb4 16. Nh4 {[#]} (16. Qd2) 16... Na5 $1 $17 17. Ba2 Nxa2 18. Rxa2 Be6 19. Ra1 Qd7 20. Qd2 Nc6 {Jaracz,B (2292)-Zeuner,M (2165) Bad Zwischenahn 2003 ½-½ (43)}) (6. d4 exd4 (6... b5 7. Bd3 Nbd7 8. Ne2 O-O 9. Ng3 a5 10. h3 a4) 7. Qxd4 O-O 8. e5 (8. Rd1 $14) 8... dxe5 9. Qxd8 Bxd8 10. Nxe5 Bc7 11. Nf3 Bf5 12. Bb3 Nbd7 13. Re1 Rfe8 14. Bg5 h6 15. Bh4 Bg6 16. Rad1 Bh5 17. h3 Bxf3 18. gxf3 Rxe1+ 19. Rxe1 Re8 {Prevents Re7.} 20. Rxe8+ (20. Rd1) 20... Nxe8 {Nguyen,C-Nguyen,T Hue 2003 0-1 (56)}) (6. Re1 Nbd7 (6... O-O 7. d4 Nbd7 8. a4 Qc7 9. h3 b6 10. d5 Bb7 11. dxc6 Bxc6 12. b3 Nc5 13. Nd5 Qb7 14. Ba3 Nxd5 {and Black has nothing to worry.} (14... Ncxe4 15. Ba6 $1 $18 {[%CAl Ra6b7] is the narrow road to win.} (15. Rxe4 Nxd5 $19 (15... Nxe4 16. Nxe5 Bg5 $16 {is more resistant.} (16... Bf6 17. Nxc6 Qxc6 18. Qf3 $1 (18. f3 {½-½ (84) Durarbayli,V (2615)-Dudin,G (2474) Warsaw 2021} Ng5 (18... Rae8) 19. Nxf6+ $18 gxf6 20. Bd5 $2 (20. Qd2 $18) 20... Qc3 $14 21. Bxa8 Rxa8 22. Rb1 {Black should prevent Kh1.} Rc8 23. Bb2 (23. Rc1 $5 {[%CAl Rd1d6]}) 23... Qxc2 24. Qxc2 Rxc2 25. Bxf6 Ne6 26. Rd1 Rc6 27. b4 (27. g4 $16) 27... b5 $2 (27... Rc4) 28. axb5 $18 Rb6 29. Ra1 Rxb5 30. Rxa7 h5 (30... Rb8 31. Kf2 Nf4) 31. Rd7 $2 (31. Ra5 $18 Nc7 32. Bd8) 31... Rxb4 32. Rxd6 Ra4 33. h4 Ra2 34. Rd5 Rxg2+ 35. Kf1 Rg6 {Durarbayli,V (2615)-Dudin,G (2474) Warsaw 2021 ½-½ (84)}) 18... Qe8 (18... Rfe8 19. Re1) 19. Re1) 17. Nxc6 Qxc6) 16. Qd2 Nf4 17. Rxf4 exf4 18. Qxf4 Bxf3 19. Qxf3 Qxf3 20. gxf3 Rfe8) 15... Nxd5 16. Bxb7 Bxb7 17. Nxe5) 15. exd5 Bd7) 7. Bxf7+ $2 {[%mdl 8192]} (7. a4 $14 {keeps the upper hand.}) 7... Kxf7 $19 8. Ng5+ Kg8 9. d3 Nf8 10. f4 exf4 11. Bxf4 Ne6 12. Nf3 Nxf4 13. Qd2 Ng6 14. Ne2 Ne5 15. Nfd4 Qb6 16. Kh1 c5 17. Nf5 Bxf5 18. exf5 Nd5 19. Ng3 Bh4 20. Re4 Qd8 {McCarrick,P (1514)-Hiatt,A (1597) Enniscrone IRL 2024 1-0 (42)}) ({RR} 6. d4 exd4 7. Qxd4 O-O 8. e5 dxe5 9. Qxd8 Bxd8 10. Nxe5 Bc7 11. Nf3 Bf5 12. Bb3 Nbd7 13. Re1 Rfe8 14. Bg5 h6 15. Bh4 Bg6 16. Rad1 Bh5 17. h3 Bxf3 18. gxf3 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Nxe8 {Nguyen,C-Nguyen,T Hue 2003 0-1 (56)}) ({RR} 6. a3 O-O 7. h3 d5 8. Ba2 dxe4 9. Nxe5 Qd4 10. Nc4 Be6 11. Ne2 Qd7 12. Nf4 Bf5 13. Ne3 Bd6 14. Nxf5 Qxf5 15. Ne2 Nbd7 16. d4 exd3 17. cxd3 Rfe8 18. Nd4 Qg6 19. Nf3 Ne5 20. Nxe5 Bxe5 {Tejedor Fuente,E (2428)-Ivanisevic,I (2603) Skopje 2018 1-0 (81)}) ({RR} 6. Re1 Nbd7 7. Bxf7+ Kxf7 8. Ng5+ Kg8 9. d3 Nf8 10. f4 exf4 11. Bxf4 Ne6 12. Nf3 Nxf4 13. Qd2 Ng6 14. Ne2 Ne5 15. Nfd4 Qb6 16. Kh1 c5 17. Nf5 Bxf5 18. exf5 Nd5 19. Ng3 Bh4 20. Re4 Qd8 {McCarrick,P (1514)-Hiatt,A (1597) Enniscrone IRL 2024 1-0 (42)}) ({RR} 6. a4 O-O 7. h3 d5 8. exd5 cxd5 9. Bb3 Nc6 10. d3 d4 11. Ne2 Nd5 12. Ng3 Kh8 13. Re1 f6 14. Bd2 Bb4 15. Bxb4 Ndxb4 16. Nh4 Na5 17. Ba2 Nxa2 18. Rxa2 Be6 19. Ra1 Qd7 20. Qd2 Nc6 {Jaracz,B (2292)-Zeuner,M (2165) Bad Zwischenahn 2003 ½-½ (43)}) ({RR} 6. a4 a5 7. d3 Na6 8. Ng5 O-O 9. f4 h6 10. Nf3 Kh7 11. fxe5 dxe5 12. Nxe5 Qd4+ 13. Kh1 Qxe5 14. d4 Qh5 15. Qd3 Nb4 16. Qd2 Be6 17. Bd3 Nxd3 18. Qxd3 Kg8 19. Ne2 Qg6 20. Nf4 Qxe4 {Mukhtarova,A-Vladichenko,A (1841) Nikolaev 2009 0-1 (34)}) 6... a5 7. a4 Bg4 8. d3 $2 {Mistake. h3 was best.} (8. h3 Bxh3 (8... Bh5) 9. Bxf7+ Kxf7 10. Ng5+ Kg8 11. Nxh3) 8... Nbd7 $2 {Mistake. O-O was best.} (8... O-O 9. Re1 Na6) 9. Bg5 $2 {Mistake. h3 was best.} (9. h3 Be6 10. Bxe6 fxe6 11. Be3) 9... h6 10. Bxf6 $6 {Inaccuracy. Be3 was best.} (10. Be3 Qc8) 10... Bxf6 $6 {Inaccuracy. Nxf6 was best.} (10... Nxf6 11. Bb3 O-O) 11. h3 $4 {Blunder. Qe2 was best.} (11. Qe2 Nc5 12. Nd1 O-O 13. Ne3 Bh5 14. h3 Kh8 15. Rfe1 Be7 16. c3 f5) 11... Bxh3 $19 12. Re1 Bg4 13. Kg2 Bg5 {Strongly threatening ...Qf6.} 14. Ne2 Qf6 15. Nxg5 $4 {Blunder. Nh2 was best.} (15. Nh2 Bh5 16. Rh1 O-O 17. Qe1 Nc5 18. Ng1 Qe7 19. Nh3 Rfd8 20. f4 exf4) 15... hxg5 16. Rb1 $4 {Checkmate is now unavoidable. f4 was best.} (16. f4 gxf4 17. Qc1 f3+ 18. Kf2 fxe2+ 19. Ke3 Qh6+ 20. Kf2 Qh2+ 21. Ke3 Qxg3+) 16... Qf3+ 17. Kg1 Qh1# {Weighted Error Value: White=1.46/Black=0.49 PRECISÃO LICHESS: BRANCAS 67% PRETAS 88%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.25"] [White "Sophia Magalhães de Lima"] [Black "Johann, Rosseto Estebanez"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "1479"] [Annotator "Stockfish 16.1"] [PlyCount "59"] [EventDate "2024.??.??"] {[%evp 9,59,-9,25,-10,-8,-7,-6,-11,47,41,288,277,280,-147,-144,-146,-144,-191,-126,-179,-176,-251,-224,-219,-198,-190,54,-122,-126,-198,-135,-124,112,-33,-19,-18,0,-47,-10,-11,49,-21,0,-73,-56,-73,-67,-71,158,160,486,-298]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Nf3 Be7 6. Bf4 {C01: French: Exchange Variation.} (6. Bd3 O-O 7. h3 c5 8. dxc5 Nbd7 9. O-O Nxc5 10. Re1 h6 11. Bf4 Be6 12. Nd4 Qb6 13. Rb1 Rfe8 14. Bb5 Red8 $2 {[%mdl 8192]} (14... Bd7) 15. b4 $1 $18 a6 16. bxc5 Qxc5 17. Na4 Qa3 18. Re3 Qxa2 19. Ra1 Qxa1 20. Qxa1 axb5 21. Nxb5 Bc5 22. Nc7 b5 23. Nxe6 $2 (23. Rg3 $18 {Qxf6 would kill now.} Bxf2+ 24. Kxf2 Ne4+ 25. Kf3 Nxg3 26. Nxa8 Rxa8 27. Kxg3) 23... fxe6 (23... Bxe3 $16 24. Nxg7 Bxf2+ 25. Kxf2 Kxg7) 24. Rxe6 $18 bxa4 $2 (24... Rxa4 {keeps fighting.} 25. Qe5 Rf8) 25. Rxf6 $18 gxf6 26. Qxf6 Bf8 (26... Rd7 $18 27. Qc6 Raa7 28. Qxc5 a3) 27. Qe6+ Kh7 28. Qf5+ $2 (28. Qf7+ Bg7 29. Be5 Rg8 30. Qf5+ Kh8 31. Qg6 Ra6 32. Qxa6 Kh7 33. Qd3+ Kh8 34. Qg6 Bxe5 35. Qxh6#) 28... Kg8 $2 {[%mdl 8192]} (28... Kh8 $14) 29. Be5 $2 (29. Qe6+ {mates} Kh7 30. Qf7+ Bg7 31. Be5 Rg8 32. Qf5+ Kh8 33. Qg6 Ra6 34. Qxa6 Bf6 35. Qxf6+ Kh7 36. Qf7+ Rg7 37. Qxg7#) 29... Ra6 (29... Ra7 30. Qg6+ Bg7 31. Bxg7 Rxg7 32. Qxh6 Rdd7) 30. Qg4+ Kh7 31. Qf5+ Kg8 32. Bf6 Rxf6 33. Qxf6 Rd6 34. Qe5 Rd7 35. Qe6+ Rf7 {Salgado Lopez,I (2629)-Demidov,M (2520) Skopje 2018 1-0 (71)}) 6... O-O 7. Be2 (7. Bd3 Re8 (7... Bg4 8. h3 Bh5 9. g4 Bg6 10. Qd2 Bb4 {Black wants to play ...Ne4.} 11. O-O-O (11. O-O) 11... Be4 (11... Ne4 $1 $17 {[%CAl Re4d2]} 12. Bxe4 Bxe4) 12. a3 $2 {[%mdl 8192]} (12. Be2 {and White is okay.}) 12... Bxf3 (12... Bxc3 13. Qxc3 Bxf3 14. Bxh7+ Nxh7 15. Qxf3 Nc6) 13. axb4 $19 Bxd1 14. Rxd1 Nc6 15. Ne2 Ne4 (15... Re8 $17 16. b5 Ne7) 16. Bxe4 $15 dxe4 17. d5 Ne7 18. Ng3 Re8 $2 (18... Qd7 $17 {keeps the pressure on.} 19. Nxe4 a5) 19. Be3 $2 (19. Nh5 $1 $16) 19... Ng6 20. Nf5 {Inhibits Qh4.} (20. Qc3 {keeps the balance.}) 20... Qd7 (20... Nh4 $1 $17 {Hoping for ...Nxf5.} 21. Ng3 Qd7) 21. h4 (21. Qc3 Re5 22. b3) 21... a5 {Muhammed,S (1925)-Vyatkin,D (2362) Chess.com INT 2021 0-1} (21... h5 $17 22. Qd4 Ne5)) 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Bxd3 12. Qxd3 c6 {Inhibits Qb5.} 13. Rae1 Nbd7 14. Re3 Nxe5 15. Bxe5 Nd7 16. Bf4 Nf8 17. Nd1 Qd7 18. Rfe1 Ng6 19. Bg3 Bg5 20. Qf5 Rxe3 21. Nxe3 Qd8 {Teske,H (2522)-Fiebig,T (2453) Germany 2010 1-0 (56)}) ({RR} 7. Bd3 Re8 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Bxd3 12. Qxd3 c6 13. Rae1 Nbd7 14. Re3 Nxe5 15. Bxe5 Nd7 16. Bf4 Nf8 17. Nd1 Qd7 18. Rfe1 Ng6 19. Bg3 Bg5 20. Qf5 Rxe3 21. Nxe3 Qd8 {Teske,H (2522)-Fiebig,T (2453) Germany 2010 1-0 (56)}) ({RR} 7. Bd3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Qd2 Bb4 11. O-O-O Be4 12. a3 Bxf3 13. axb4 Bxd1 14. Rxd1 Nc6 15. Ne2 Ne4 16. Bxe4 dxe4 17. d5 Ne7 18. Ng3 Re8 19. Be3 Ng6 20. Nf5 Qd7 21. h4 a5 {Muhammed,S (1925)-Vyatkin,D (2362) Chess.com INT 2021 0-1}) 7... Re8 8. O-O {The position is equal.} Nc6 $146 {Inaccuracy. c6 was best.} (8... c6 9. Ne5 (9. h3 Bf5 10. Bd3 Bxd3 11. Qxd3 Bd6 12. Ne2 Bxf4 13. Nxf4 Qb6 14. Qb3) 9... Nbd7 10. Bh5 (10. Bd3) 10... Nxe5 11. dxe5 (11. Bxe5 Nxh5 12. Qxh5) 11... Nxh5 $17 12. Qxh5 Qb6 13. b3 Qc5 14. Qf3 Bf5 {Prevents Qd3.} 15. Rac1 Qa5 16. a4 Ba3 $1 17. Rce1 (17. Rcd1) 17... Bb4 $19 18. Bd2 Bxc2 19. Rc1 Bxb3 20. Qg3 d4 21. Ne4 {Strongly threatening Nf6+.} Bxd2 22. Nf6+ Kh8 23. Nxe8 {Banach,S-Wisniewski,E (1896) Gniezno 2010 0-1 (39)}) ({RR} 8... c6 9. Ne5 Nbd7 10. Bh5 Nxe5 11. dxe5 Nxh5 12. Qxh5 Qb6 13. b3 Qc5 14. Qf3 Bf5 15. Rac1 Qa5 16. a4 Ba3 17. Rce1 Bb4 18. Bd2 Bxc2 19. Rc1 Bxb3 20. Qg3 d4 21. Ne4 Bxd2 22. Nf6+ Kh8 23. Nxe8 {Banach,S-Wisniewski,E (1896) Gniezno 2010 0-1 (39)}) 9. Nb5 $14 {[#]} Be6 $4 $146 {Blunder. Bd6 was best.} (9... Bf5 $14) (9... Bd6 10. Nxd6 (10. Bxd6 cxd6 11. Re1 a6 12. Nc3 Bf5 13. a3 h6 $15 (13... b5 14. Bd3 (14. b4 h6 15. Bd3 Rxe1+ 16. Qxe1 Bxd3 17. cxd3 {0-1 (54) Ruggiero,A-Cau,F Montesilvano 2015} Qe8 18. Qd2 Qd7 19. Re1 Re8 20. Rc1 a5 (20... Ne7) 21. Nxb5 (21. bxa5 $1 $16 Ra8 22. Nxb5) 21... axb4 22. axb4 Nb8 (22... Rb8 23. Na3 Nxb4) 23. Na3 Na6 24. Rb1 Qa4 25. Nc2 Rb8 26. b5 (26. g3 $16) 26... Rxb5 $2 (26... Nc7 $1 {and Black stays safe.}) 27. Rxb5 $2 (27. Ra1 $18 Qxa1+ 28. Nxa1 Rb1+ 29. Ne1 Rxa1 30. Qc3) 27... Qxb5 28. Na3 Qb3 29. Nc2 Nc7 30. h3 Nb5 31. Kh2 Nc3 32. Qc1 Ne2 33. Qd2 Nc3 34. Nfe1 Nd7 35. Qf4 (35. Ne3 $5 {[%CAl Re3f5]}) 35... Qb6 36. Qd2 Nb5 37. Qb4 Nb8 $2 {[%mdl 8192]} (37... Nc7 {and Black has nothing to worry.}) 38. Na3 $18 Qxd4 39. Qxb5 {Ruggiero,A-Cau,F Montesilvano 2015 0-1}) 14... Qd7 15. Bxf5 Rxe1+ 16. Qxe1 Qxf5 17. Qd2)) 10... cxd6 11. c3) 10. Nxc7 $18 Nh5 11. Nxe8 $4 {Blunder. Nxe6 was best.} (11. Nxe6 fxe6 12. Be3 Rf8 13. g3 Nf6 14. c3 Qd7 15. Ne5 Qc7 16. Nd3 Bd6) 11... Nxf4 $17 12. Nxg7 Kxg7 13. Bb5 $6 {Inaccuracy. c3 was best.} (13. c3 Bg4 14. g3 Nxe2+ 15. Qxe2 Qd7 16. Qd3 Bf5 17. Qd2 Bh3 18. Rfe1 h6) 13... Rc8 (13... Bg4 $19 {White must now prevent ...Bd6.} 14. Re1 Bd6) 14. Qd2 (14. g3 $17 {is a better defense.} Nh3+ 15. Kg2) 14... Bg5 {[%mdl 1024] Black has strong compensation.} 15. Qe1 (15. Kh1 Bh6 16. Bxc6 Rxc6 17. Ne5) 15... Bh6 16. c3 Kf8 $6 {Inaccuracy. Qf6 was best.} (16... Qf6 17. Bxc6 Rxc6 18. Qe5 Qxe5 19. Nxe5 Ne2+ 20. Kh1 Rb6 21. a4 Rxb2 22. Rab1) 17. Qd1 Ke7 $4 {Blunder. Bg4 was best.} (17... Bg4 18. h3 Bh5 19. Re1 Qf6 20. Kh2 Kg7 21. g4 Bg6 22. g5 Bxg5 23. Nxg5) 18. Qa4 $4 {Blunder. g3 was best.} (18. g3 Nh3+ 19. Kh1 Kf8 20. Ne1 Ng5 21. Qh5 Kg7 22. g4 f6 23. f4 Bf7) 18... Qg8 {[%csl Gf4][%CAl Rg8g2]} 19. Qa3+ $6 {Inaccuracy. g3 was best.} (19. g3 Qg4 20. Ne1) 19... Kd8 $6 {Inaccuracy. Kf6 was best.} (19... Kf6 20. g3 Qg4) 20. Qd6+ Bd7 $4 {Blunder. Ke8 was best.} (20... Ke8 21. g3 Qg4 22. Ne1 a6 23. f3 Qh5 24. Bxc6+ Rxc6 25. Qe5 Qxe5 26. dxe5) 21. Qf6+ $2 {Mistake. g3 was best.} (21. g3 Qg6 22. Qxd7+ $1 Kxd7 23. Ne5+ Kd6 24. Nxg6 Nxg6 25. Rae1) 21... Kc7 {[%csl Gf4][%CAl Rg8g2]} 22. g3 Ng6 23. Nh4 Bg7 24. Qg5 a6 (24... Qd8 25. Qxd8+ (25. Qxd5 Nxh4 26. Bxc6 Bxc6 $17) 25... Rxd8) 25. Nxg6 (25. Bd3 $14) 25... fxg6 26. Qf4+ $6 {Inaccuracy. Be2 was best.} (26. Be2) 26... Kb6 27. Ba4 Rf8 28. Qd6 {[#]} Qf7 $4 {Blunder. Rd8 was best. [#]} (28... Rd8 29. Rfe1) 29. Rae1 $1 $16 (29. Bxc6 $6 Bxc6 30. Rae1 Re8) 29... Rc8 $4 {Blunder. Bf6 was best.} (29... Ka7 $16 {is tougher.} 30. Bb3 Qf5) (29... Bf6 30. Re3) 30. a3 $4 {[%mdl 40960] Blunder. Qc5+ was best. Weighted Error Value: White=0.65/Black=0.88. An unexpected result. PRECISÃO LICHESS: BRANCAS 59% PRETAS 73%} (30. Bxc6 Rxc6 31. Qe7 Be6 32. Rxe6 Qxe6 33. Qxg7 Qe2 34. Qxh7 Qxb2 $16) (30. Qc5+ Kc7 31. Bxc6 bxc6 32. Re7 Qf5 33. Qa7+ Kd6 34. Rxg7 Re8 35. Qc5+ Kc7) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "2.26"] [White "Joao, Carlos Reginaldo E"] [Black "Luis Felipe Abreu de Carvalho"] [Result "1-0"] [ECO "D35"] [WhiteElo "1470"] [Annotator "Stockfish 16.1"] [PlyCount "51"] [EventDate "2024.??.??"] {[%evp 9,51,42,49,17,50,50,50,50,70,26,56,25,107,119,234,234,307,260,356,343,351,347,346,289,280,244,268,264,254,-8,233,214,453,451,531,525,594,594,594,594,594,588,612,607]} 1. d4 d5 2. c4 Nf6 3. Nc3 $6 {Inaccuracy. cxd5 was best.} (3. cxd5 g6 4. Qa4+ c6 5. dxc6 Nxc6 6. Nf3 Bg7 7. Nc3 Bf5) 3... e6 4. a3 Nc6 5. Nf3 Ne4 (5... g6 6. Bg5 Bg7 $1 7. e3 O-O 8. Be2 h6 9. Bh4 Ne7 10. O-O Nf5 11. Bxf6 Bxf6 12. Qc2 c6 13. Rfd1 Qe7 14. b4 a6 15. Rac1 a5 16. Qb3 (16. b5 $14) 16... axb4 17. axb4 Bd7 18. h3 Ra7 19. Bd3 Rfa8 20. Bxf5 dxc4 $1 21. Qxc4 exf5 22. d5 Ra3 23. Nd4 R8a6 24. dxc6 bxc6 25. Nce2 Rb6 26. Nf4 Kg7 {[#]} 27. Nd3 (27. b5 $1 $16 {[%CAl Rb5c6]} cxb5 28. Qc7) 27... Ra4 28. Qc2 Raxb4 $2 (28... Ra7 {and Black stays safe.}) 29. Nxb4 $18 Qxb4 30. Rb1 Qa5 31. Rxb6 Qxb6 32. Rb1 Qa6 {[%CAl Bf5f4]} 33. Nb3 Be6 (33... Qa7 34. Nc5 Bc8) 34. Nc5 $18 Qc4 35. Nxe6+ {Bocharov,D (2517)-Suleymanli,A (2541) Chess.com INT 2021 1-0}) (5... a6 6. cxd5 exd5 7. Bg5 Be7 8. e3 h6 9. Bh4 O-O 10. Bd3 Be6 11. O-O Nd7 12. Bg3 Bd6 13. Rc1 Bxg3 14. hxg3 Ne7 15. Na4 c6 16. Qc2 a5 17. b4 b5 18. Nc5 Nb6 19. bxa5 Nc4 20. a6 {Kasparov,G (2785)-Yermolinsky,A (2610) Yerevan 1996 1-0 (51)}) ({RR} 5... a6 6. cxd5 exd5 7. Bg5 Be7 8. e3 h6 9. Bh4 O-O 10. Bd3 Be6 11. O-O Nd7 12. Bg3 Bd6 13. Rc1 Bxg3 14. hxg3 Ne7 15. Na4 c6 16. Qc2 a5 17. b4 b5 18. Nc5 Nb6 19. bxa5 Nc4 20. a6 {Kasparov,G (2785)-Yermolinsky,A (2610) Yerevan 1996 1-0 (51)}) 6. cxd5 {[#] E10: Blumenfeld Gambit.} (6. Bf4 Nxc3 7. bxc3 Bd6 8. e3 Bxf4 9. exf4 O-O 10. Bd3 dxc4 11. Bxh7+ $2 (11. Bxc4 {and White is okay.} b6 12. Bd3) 11... Kh8 $4 {[%mdl 8192]} (11... Kxh7 $19 {avoids the disaster.} 12. Ng5+ Kg6) 12. Be4 $18 Qf6 13. g3 Ne7 14. Ne5 Nd5 $2 (14... Qh6 {was called for.} 15. Qa4 Kg8 16. Qxc4 f6) 15. Qh5+ $18 Qh6 16. Nxf7+ Rxf7 17. Qxf7 Nf6 {Prevents Qe8+.} 18. Bf3 Rb8 19. Qxc7 Ra8 20. O-O Bd7 {Cherepov,A (2092)-Sabatier,M (2108) chess.com INT 2024 1-0 (44)}) ({RR} 6. Bf4 Nxc3 7. bxc3 Bd6 8. e3 Bxf4 9. exf4 O-O 10. Bd3 dxc4 11. Bxh7+ Kh8 12. Be4 Qf6 13. g3 Ne7 14. Ne5 Nd5 15. Qh5+ Qh6 16. Nxf7+ Rxf7 17. Qxf7 Nf6 18. Bf3 Rb8 19. Qxc7 Ra8 20. O-O Bd7 {Cherepov,A (2092)-Sabatier,M (2108) chess.com INT 2024 1-0 (44)}) 6... Nxc3 $146 (6... exd5 7. e3 (7. Qd3 Bf5 8. Bf4 {remains equal.} (8. Ng5 Qd7 $17 {aiming for ...Nxg5.} (8... Nxg5 9. Qxf5 Nxd4 10. Qd3 Nge6 11. e3 Nc6 12. Nxd5 (12. Qb5 Nc5 13. b4 (13. Qe2 {0-1 (39) Bielderman,G-Gerritse,X Hengelo 1995} g6 14. b4 $17 (14. Qf3 Bg7 $19 {Threatens to win with ...d4.} (14... Ne7 15. e4 $1 (15. Qf6 {Prevents Bg7.} Rg8 16. Qh4 h5 17. e4 (17. b4 $17 Bg7 18. Bb2) 17... Nb3 18. Rb1 {And now Bg5 would win.} Nxc1 19. Rxc1 d4 $17 (19... Bh6 20. Rd1 $1 $15 (20. Rc2 d4 21. Nd5 $17 {was the only defense.} (21. Nb5 {Bielderman,G-Gerritse,X Hengelo 1995 0-1 (39)} c6 $19 22. Nxd4 Qxd4 23. Bc4 b5 24. Bb3 Qd3 25. Qg3 Qxe4+ 26. Re2 Qb1+ 27. Bd1 Rd8 {[%csl Gb1][%CAl Rd8d1]} 28. O-O {[%CAl Bg3c7]} Qxd1 29. Qe5 {[%csl Ge2][%CAl Re5e7]} Qd6 30. Qe4 Kf8 31. Rfe1 Nf5 32. Kh1 Kg7 33. Qf3 Kh7 34. g3 Nd4 35. Qxf7+ Rg7 36. Qxg7+ {Bielderman,G-Gerritse,X Hengelo 1995 0-1}) 21... Nxd5 22. Qxd8+ Rxd8 23. exd5)) 20. Rd1 Bg7)) 15. Nxd5 Qd6) 14... Bg7 15. Bb2) 13... a6 14. Qe2) 12... Qd6 13. Nf4) 9. g4 Bg6)) 7... Bf5 8. Qa4 a6) ({RR} 6... exd5 7. Qd3 Bf5 8. Ng5 Nxg5 9. Qxf5 Nxd4 10. Qd3 Nge6 11. e3 Nc6 12. Qb5 Nc5 13. Qe2 g6 14. Qf3 Ne7 15. Qf6 Rg8 16. Qh4 h5 17. e4 Nb3 18. Rb1 Nxc1 19. Rxc1 Bh6 20. Rc2 d4 21. Nb5 {Bielderman,G-Gerritse,X Hengelo 1995 0-1 (39)}) 7. bxc3 exd5 8. e3 {White is slightly better.} Bg4 9. Be2 {[%CAl Bf1e2,Be2f3,Bf3d5,Bd5g2][%mdl 32]} Be7 10. O-O Bxf3 $6 {Inaccuracy. Na5 was best.} (10... Na5 11. Bd3) 11. Bxf3 $16 O-O $6 {Inaccuracy. Na5 was best.} (11... Na5 12. e4 dxe4 13. Bxe4 c6 14. Bb1 O-O 15. Qd3 g6 16. Bh6 Re8 17. f4) 12. Qb3 $18 {[%csl Bb7,Bd5]} Bd6 $6 {Inaccuracy. Na5 was best.} (12... Na5 13. Qxd5) 13. Bxd5 Qh4 $6 {[%csl Gd6][%CAl Rh4h2] Inaccuracy. Na5 was best. [#]} (13... Na5 14. Qa2 Qd7 15. a4 Rfd8 16. Bf3 c5 17. Rd1 cxd4 18. cxd4 Rac8 19. h3) 14. g3 Qh5 15. Bg2 Na5 16. Qc2 $6 {Inaccuracy. Qa4 was best.} (16. Qa4 b6 17. Bxa8 Rxa8 18. e4 Qf3 19. e5 Bf8 20. Qd1 Qxc3 21. Bd2 Qxd4) 16... c5 17. e4 cxd4 18. cxd4 Rac8 19. Qd2 $4 {Blunder. Qd3 was best.} (19. Qd3 Rfd8 20. Rb1 b6 21. Bf3 Qg6 22. Qe2 Be7 23. Bb2 b5 24. Ba1 a6) 19... Nc4 $4 {Blunder. Nb3 was best.} (19... Nb3 20. Qb2 Nxa1 21. Qxa1 f6) 20. Qd3 f5 $4 {Blunder. Rfd8 was best.} (20... Rfd8 21. Rb1 b6) 21. e5 {White is clearly winning.} Nxe5 22. dxe5 Bxe5 $6 {Inaccuracy. Bc5 was best.} (22... Bc5 23. Rb1 b6 24. Qb3+ Kh8 25. Qf3 Qxf3 26. Bxf3 f4 27. g4 Be7 28. e6) 23. Qd5+ Kh8 24. Qxe5 Rce8 25. Qd5 Qe2 26. Be3 {Weighted Error Value: White=0.52/Black=0.60 PRECISÃO LICHESS: BRANCAS 89% PRETAS 79%} 1-0