[Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.1"] [White "Pessoa, Vitor Henrique Leop"] [Black "Ramos, Angelo Bil"] [Result "1/2-1/2"] [ECO "B33"] [WhiteElo "1787"] [BlackElo "1957"] [Annotator "Stockfish 16.1"] [PlyCount "100"] [EventDate "2024.??.??"] {[%evp 29,100,-1,0,-42,-12,-20,0,-5,-14,-14,0,-52,-58,-58,-31,-73,-78,-69,-66,-57,-43,-116,-83,-87,-85,-151,-84,-104,-65,-63,-73,-71,-77,-80,2,1,14,26,42,47,112,112,298,249,222,73,53,1,73,0,71,0,39,39,69,74,74,74,81,79,85,60,90,40,93,44,110,45,110,98,88,51,103]} 1. e4 c5 2. Nf3 {[%CAl Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c2,Bc2e3][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Rb8 12. Nc2 Bg5 13. Bd3 O-O 14. O-O Be6 15. Nce3 Ne7 16. c4 {B33: Sicilian: Pelikan and Sveshnikov Variations.} (16. Bc2 Bxe3 17. Nxe3 {½-½ (17) Aseev,K (2530)-Kharlov,A (2555) Kemerovo 1995}) (16. Nxe7+ Qxe7 17. Bc2 Bxe3 18. fxe3 b4 19. cxb4 Rxb4 20. b3 Rc8 21. Qd2 Rb7 22. Rfd1 Rbc7 23. Bd3 Rc6 24. Qe2 Qa7 25. Kh1 h6 26. h3 Rc3 (26... a5 $15) 27. Qd2 a5 28. Rac1 Rxc1 29. Rxc1 Rxc1+ 30. Qxc1 a4 {Baruch,L (1718)-Sovetbekova,N (1823) chess.com INT 2023 0-1 (59)}) ({RR} 16. Bc2 Bxe3 17. Nxe3 {½-½ (17) Aseev,K (2530)-Kharlov,A (2555) Kemerovo 1995}) ({RR} 16. Nxe7+ Qxe7 17. Bc2 Bxe3 18. fxe3 b4 19. cxb4 Rxb4 20. b3 Rc8 21. Qd2 Rb7 22. Rfd1 Rbc7 23. Bd3 Rc6 24. Qe2 Qa7 25. Kh1 h6 26. h3 Rc3 27. Qd2 a5 28. Rac1 Rxc1 29. Rxc1 Rxc1+ 30. Qxc1 a4 {Baruch,L (1718)-Sovetbekova,N (1823) chess.com INT 2023 0-1 (59)}) 16... Bxd5 17. cxd5 $146 (17. Nxd5 Nxd5 18. cxd5 Qb6 19. Qg4 Be3 $5 (19... Bh6 20. Rad1 Qa5 21. Bb1 Qb4 22. Qe2 Rbc8 23. Rd3 Qc4 {½-½ (72) Guedez,A (2365)-Lopez,C (2400) Ciego de Avila 1996} 24. Qh5 Qxe4 25. Rg3 $2 (25. Rc3 {and White has nothing to worry.} Qf4 26. Rc6) 25... Qf4 $19 26. Rg4 $2 (26. Ra3 {is a better defense.}) 26... Qf6 $2 (26... Qd2 $19 {Strongly threatening ...Rc1.} 27. Rg3 g6) 27. Qh3 (27. g3) 27... Rfe8 28. a4 Rc5 29. Qd3 (29. axb5 $17 {might work better.} Rxb5 30. Bc2 Rxd5 31. Rc4) 29... g6 $19 30. b4 Rcc8 (30... Rc7 $19 {aiming for ...Bf4.} 31. axb5 axb5 32. Qxb5 Rec8) 31. axb5 $17 axb5 {Guedez,A (2365)-Lopez,C (2400) Ciego de Avila 1996 ½-½ (72)})) ({RR} 17. Nxd5 Nxd5 18. cxd5 Qb6 19. Qg4 Bh6 20. Rad1 Qa5 21. Bb1 Qb4 22. Qe2 Rbc8 23. Rd3 Qc4 24. Qh5 Qxe4 25. Rg3 Qf4 26. Rg4 Qf6 27. Qh3 Rfe8 28. a4 Rc5 29. Qd3 g6 30. b4 Rcc8 31. axb5 axb5 {Guedez,A (2365)-Lopez,C (2400) Ciego de Avila 1996 ½-½ (72)}) 17... g6 18. Qg4 {The position is equal.} Bxe3 19. fxe3 Kg7 20. Rf2 (20. Qh4) 20... Ng8 $15 21. Rc1 Rc8 22. Rfc2 $6 {Inaccuracy. Rcf1 was best.} (22. Rcf1 Rc5 23. Qe2 h6 24. h3 Qa5 25. a3 Qb6 26. h4 a5 27. h5 g5) 22... Rxc2 23. Rxc2 Qa5 24. Qd1 {Prevents Qe1+.} Qxa2 25. Qc1 (25. b4 $1 $15 Qa3 26. Qd2 (26. Rc6 $2 Qxb4 27. Rxa6 Nf6 $19)) 25... Qa5 26. Rc6 Rd8 27. Kf1 (27. Qc3 Qa1+ 28. Qc1) 27... Nf6 (27... Ne7 $1 {[%CAl Re7c6]} 28. Rc7 Ng8) 28. h3 Qa4 29. Qc2 Qa5 30. Ke2 Ne8 31. Qd2 Qxd2+ $2 {Mistake. Qa4 was best.} (31... Qa4 32. Qd1 Rb8 33. g4 Qa5 34. Qe1 Qd8 35. Rxa6 b4 36. Ra4 Qg5 37. Rxb4) 32. Kxd2 $17 {[%mdl 4096] Endgame KRB-KRN} Ra8 33. Kc3 {[%mdl 1024] White has compensation.} Kf8 34. Kb4 Ke7 $6 {Inaccuracy. a5+ was best.} (34... a5+ 35. Kxb5 Ke7) 35. Ka5 $1 $16 {Threatens to win with b4.} Kd8 $6 {Inaccuracy. b4 was best.} (35... b4 36. Rb6 Rc8 37. Rb7+ Kf8 38. Rxb4 Rc5+ 39. Kxa6 f5 40. Rb8 Ke7 41. Rb7+) 36. Kb6 $6 {Inaccuracy. b4 was best. And now Kb7 would win.} (36. b4) 36... Rc8 37. Rxc8+ $6 {Inaccuracy. Kxa6 was best.} (37. Kxa6 b4 38. Kb7 Rc7+ 39. Kb6 Rc8 40. Ba6 Rc7 41. g4 f6 42. b3 h6) (37. Kb7 $18 {and White stays clearly on top.} Rc7+ 38. Kxa6) 37... Kxc8 38. Kxa6 $18 {KB-KN} (38. b4 $1 $14) 38... Kc7 $6 {Inaccuracy. b4 was best.} (38... b4) 39. Kxb5 $6 {Inaccuracy. Bxb5 was best.} (39. b4 $16) (39. Bxb5 Nf6 40. Bd3 Nd7 41. Ka7 Nc5 42. Bc2 Nd7 43. g3 Nb6 44. b3 Nc8+) 39... Nf6 $6 {Inaccuracy. Kb7 was best. [#]} (39... Kb7 40. Bc2 Nf6 41. Ka5 Ka7 42. Bd3 Kb7 43. Bb1 Nd7 44. Kb5 Nf6 45. Bc2) 40. b4 $6 {Inaccuracy. Ka6 was best.} (40. Ka6) 40... g5 $6 {Inaccuracy. Kb7 was best.} (40... Kb7 41. Ka5 g5 42. Ba6+ Kc7 43. Bc4 Kb7 44. Bd3 Ka7 45. g3 Kb7 46. g4) 41. Ka6 Nd7 $6 {Inaccuracy. h5 was best.} (41... h5 42. Be2 h4 43. Bf3 Nd7 44. Bh5 f6 45. Be8 Nb6 46. Kb5 Kb7 47. Bf7) 42. Bb5 {Black must now prevent Bxd7.} Nb6 43. Ka7 Nc8+ 44. Ka6 Nb6 45. Be8 f6 46. Bb5 Nc8 (46... h5 $1 $14) 47. Ba4 Nb6 {[#]} (47... h5 $1 $14) 48. Bb3 (48. Bd1 $1 $16) 48... Nd7 (48... h5 $1 $14) 49. Ba4 $16 Nb6 50. Bb3 Nd7 {Weighted Error Value: White=0.29 (precise) /Black=0.33 PRECISÃO LICHESS: BRANCAS 93% PRETAS 91%} (50... h5 $1 $14) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.2"] [White "Souza, Iago Henrique da Si"] [Black "Israel, Flavio Feliciano Ol"] [Result "1-0"] [ECO "E10"] [WhiteElo "2036"] [Annotator "Stockfish 16.1"] [PlyCount "83"] [EventDate "2024.??.??"] {[%evp 16,83,60,47,57,59,84,60,58,60,56,63,77,72,80,56,58,51,69,62,82,81,88,66,75,59,65,61,66,61,87,79,100,101,119,73,100,88,81,77,76,75,93,50,180,124,224,216,248,254,231,183,269,216,394,225,321,281,401,394,857,424,630,632,616,614,738,577,29998,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 a6 6. g3 Be7 7. Bg2 O-O 8. O-O Nc6 9. b3 d5 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} 10. cxd5 Nxd5 (10... exd5 11. Bb2 Be6 12. Rc1 Rc8 13. Na4 Nxd4 14. Qxd4 Qa5 {Prevents Nc5.} 15. Qb6 Rxc1 $4 {[%mdl 8192]} (15... Qxb6 $14 16. Nxb6 Rxc1 17. Rxc1 Bd8) 16. Qxa5 {1-0 (16) Tomashevsky,E (2646)-Mamedov,R (2586) Khanty-Mansiysk 2007}) ({RR} 10... exd5 11. Bb2 Be6 12. Rc1 Rc8 13. Na4 Nxd4 14. Qxd4 Qa5 15. Qb6 Rxc1 16. Qxa5 {1-0 (16) Tomashevsky,E (2646)-Mamedov,R (2586) Khanty-Mansiysk 2007}) 11. Nxd5 exd5 {White is slightly better.} 12. Bb2 (12. Nxc6 bxc6 13. Be3 Bf5 14. Rc1 Rc8 15. Bc5 Re8 16. e3 Qa5 17. Bxe7 Rxe7 18. g4 Be4 19. h3 Qb4 (19... Bxg2 {remains equal.} 20. Kxg2 Qb5) 20. Qd4 (20. f3 $16 Bg6 21. Qxd5) 20... Qxd4 21. exd4 Bxg2 22. Kxg2 f5 23. Rfe1 Rxe1 24. Rxe1 fxg4 25. hxg4 Kf7 26. Rc1 Ke6 {Mariani,D (2040)-Ribeiro Carrico,V (1746) Florianopolis BRA 2024 1-0 (46)}) ({RR} 12. Nxc6 bxc6 13. Be3 Bf5 14. Rc1 Rc8 15. Bc5 Re8 16. e3 Qa5 17. Bxe7 Rxe7 18. g4 Be4 19. h3 Qb4 20. Qd4 Qxd4 21. exd4 Bxg2 22. Kxg2 f5 23. Rfe1 Rxe1 24. Rxe1 fxg4 25. hxg4 Kf7 26. Rc1 Ke6 {Mariani,D (2040)-Ribeiro Carrico,V (1746) Florianopolis BRA 2024 1-0 (46)}) 12... Bf6 13. Rc1 $146 (13. Qd2 Be6 14. Rac1 (14. Rfd1 Qe7 (14... Qd7 15. Rac1 Rac8 16. Nxc6 Bxb2 17. Ne7+ Qxe7 18. Qxb2 Qg5 19. Rc2 (19. h4 $14 Rxc1 20. Qxc1) 19... Rxc2 20. Qxc2 Rc8 21. Qb2 h6 22. e3 Qf5 {...Rc2 is the strong threat.} 23. Rc1 {Inhibits Rc2.} Rxc1+ 24. Qxc1 Qd3 25. Bf1 Qe4 26. Bg2 Qb4 27. Qd1 Qc5 {Jeppesen,A (1738)-Moller,A (1765) Amager 2015 ½-½ (43)}) (14... Rc8 $14) 15. Rac1 Rac8 16. Nxe6 fxe6 17. Bxf6 Qxf6 18. e4 d4 19. e5 Nxe5 20. Rxc8 Rxc8 21. Qxd4 {Threatens to win with Qa7.} Nf3+ $1 22. Bxf3 Qxf3 23. Qd7 Rc6 $1 24. Qd8+ Qf8 25. Kg2 h6 26. Qd7 {Threatening Rd4.} Rc2 (26... Qf5) 27. Qxe6+ $16 Kh8 {Rojas Sepulveda,E (2350)-Clavijo Usuga,J Quito 1986 1-0 (40)}) 14... Rc8 15. Rfd1 Qd7 16. Nxc6 Bxb2 17. Qxb2 Rxc6 18. Rxc6 Qxc6 19. Qd2 {[%CAl Rg2d5]} Qb5 20. e3 {[%CAl Rg2d5]} g6 (20... Rd8 $14) 21. h4 (21. Bxd5 $16 Rd8 22. e4) 21... Qc5 (21... Rd8 $14) 22. Qd4 (22. Bxd5 $18 Rd8 23. e4) 22... Qxd4 23. Rxd4 Rc8 $1 24. Bxd5 Rc1+ 25. Kg2 {Black must now prevent Bxe6.} Bxd5+ 26. Rxd5 {And now Rd7 would win.} Rc2 27. Ra5 Kg7 {Colls Gelaberto,E (2265)-Maynat Anglas,J Lloret del Mar 1997 1-0 (46)} (27... f5 $14)) (13. e3 Be6 14. Rc1 Rc8 15. Qd2 Qb6 16. Nxc6 bxc6 17. Bxf6 gxf6 18. e4 Rfd8 19. Qh6 {1-0 (43) Sztokbant,B (2194)-Rodrigues,A (2085) Chess.com INT 2020}) ({RR} 13. Qd2 Be6 14. Rfd1 Qe7 15. Rac1 Rac8 16. Nxe6 fxe6 17. Bxf6 Qxf6 18. e4 d4 19. e5 Nxe5 20. Rxc8 Rxc8 21. Qxd4 Nf3+ 22. Bxf3 Qxf3 23. Qd7 Rc6 24. Qd8+ Qf8 25. Kg2 h6 26. Qd7 Rc2 27. Qxe6+ Kh8 {Rojas Sepulveda,E (2350)-Clavijo Usuga,J Quito 1986 1-0 (40)}) ({RR} 13. Qd2 Be6 14. Rac1 Rc8 15. Rfd1 Qd7 16. Nxc6 Bxb2 17. Qxb2 Rxc6 18. Rxc6 Qxc6 19. Qd2 Qb5 20. e3 g6 21. h4 Qc5 22. Qd4 Qxd4 23. Rxd4 Rc8 24. Bxd5 Rc1+ 25. Kg2 Bxd5+ 26. Rxd5 Rc2 27. Ra5 Kg7 {Colls Gelaberto,E (2265)-Maynat Anglas,J Lloret del Mar 1997 1-0 (46)}) ({RR} 13. Qd2 Be6 14. Rfd1 Qd7 15. Rac1 Rac8 16. Nxc6 Bxb2 17. Ne7+ Qxe7 18. Qxb2 Qg5 19. Rc2 Rxc2 20. Qxc2 Rc8 21. Qb2 h6 22. e3 Qf5 23. Rc1 Rxc1+ 24. Qxc1 Qd3 25. Bf1 Qe4 26. Bg2 Qb4 27. Qd1 Qc5 {Jeppesen,A (1738)-Moller,A (1765) Amager 2015 ½-½ (43)}) 13... Nxd4 14. Bxd4 Be6 15. Qd2 Bxd4 16. Qxd4 Qe7 17. e3 Rad8 18. Rfd1 Rd7 19. Rd2 Rfd8 20. Rcd1 h6 21. h4 Qa3 22. Bf3 Qe7 23. Qb2 Qc5 24. Rd4 Qa5 25. a3 Qc5 26. b4 Qe7 27. Qb3 {[%CAl Rf3d5]} Qf6 28. Bg2 Qe5 29. R1d2 b6 $6 {Inaccuracy. Rc8 was best.} (29... Rc8) 30. Qd1 (30. Qa4 $18) 30... Qf5 $6 {Inaccuracy. Qc7 was best. [#]} (30... Qc7 31. Rc2 Qb7 32. Qc1 Rd6 33. Rc7 Qb8 34. Bf3 Re8 35. Qc2 Rdd8 36. h5) 31. Qa4 $1 $18 Rc7 32. e4 Qe5 (32... Rc1+ 33. Kh2 Qe5 34. Qxa6 $16) 33. Kh2 (33. exd5 Qe1+ 34. Kh2 Bd7 $14) 33... Rc3 $6 {Inaccuracy. Ra8 was best.} (33... Ra8 34. f4 (34. exd5 Bd7 $16) (34. Qd1 Qd6 35. f4 Re8 36. f5 Bc8 37. Rxd5 Qe7 38. Qg4 Rc3 39. e5) 34... Qf6) 34. Qxa6 Bc8 $2 {Mistake. Qd6 was best.} (34... Qd6 35. a4 (35. exd5 Bc8 $16) 35... g6 (35... Rb3 36. a5 bxa5 37. Qxa5 Rc8 38. exd5 Bd7 39. Ra2 g5 40. Qa7) 36. exd5 Bf5) 35. Qa8 $2 {Mistake. Qxb6 was best.} (35. Qxb6 Qe7 (35... Rd6 36. Qa5 Bb7 37. exd5 g5 38. Qa7 f5 39. Qxb7 f4 40. gxf4 gxf4) 36. a4) 35... Qc7 $6 {Inaccuracy. g5 was best.} (35... g5 36. Rxd5 Rxd5 37. Rxd5 Qf6) 36. Qa4 (36. exd5 Qd6 37. a4 Rf8 $18) 36... Rd6 $6 {Inaccuracy. Bd7 was best.} (36... Bd7 37. Qd1 Rc8 38. Rxd5 $18) (36... Rf8 37. Rxd5 (37. exd5 Bd7 $18) 37... Bg4) 37. Rxd5 {[%CAl Bd4d5,Bd5d8,Bd8e8][%mdl 32]} (37. Qe8+ Kh7 38. Rxd5 Re6 $18) 37... Rg6 $2 {Mistake. Rdc6 was best.} (37... b5) (37... Rdc6 38. e5 Re6 39. Bh3 Kh7 40. Bf5+ g6 41. Bxe6 Bxe6 42. Rd8 Qxe5 43. Qe8) 38. e5 $4 {Blunder. Rd8+ was best.} (38. Rd8+ Kh7 39. Qe8 Rg4 40. Qg8+ Kg6 41. R8d6+ Be6 42. Rxe6+ fxe6 43. Qxe6+ Kh7) 38... Qe7 $2 {Mistake. Kh7 was best.} (38... Kh7 39. Be4 (39. Qd1 Rg4 40. R2d4 h5 41. Rxg4 Bxg4 42. Qd4 Be6 43. Rd6 Rxa3 44. Bd5) 39... f5) 39. Rd8+ Kh7 40. Re8 Qc7 {[%CAl Bc3g3]} 41. Be4 {[#] White wants to mate with Rdd8.} Qc4 $4 {Checkmate is now unavoidable. Bb7 was best.} (41... Bb7 42. Rdd8 Qxd8 43. Bxg6+ fxg6 44. Rxd8 Rf3 45. Rd2 Rc3 46. Qd1 Rxa3 47. e6) 42. Rdd8 {Weighted Error Value: White=0.35/Black=0.69 PRECISÃO LICHESS: BRANCAS 91% PRETAS 85%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.3"] [White "Jorge Ant. Torres Chaves"] [Black "Santos Filho, Tadeu Sousa"] [Result "0-1"] [ECO "D03"] [WhiteElo "1924"] [BlackElo "1992"] [Annotator "Stockfish 16.1"] [PlyCount "95"] [EventDate "2024.??.??"] {[%evp 9,95,-19,19,-50,-13,-32,-24,-26,-25,-28,-25,-53,-34,-98,-50,-42,-34,-65,-32,-103,-134,-191,-164,-274,-268,-270,-254,-274,-171,-292,-291,-296,-242,-246,-241,-352,-164,-151,-155,-192,-198,-209,-83,-140,-110,-130,-114,-220,-232,-220,-148,-173,-157,-155,-122,-232,-94,-92,-98,-99,-29,-66,-7,-18,0,-16,-21,-333,-351,-344,-320,-301,-304,-325,-314,-464,-462,-461,-461,-482,-442,-506,-503,-605,-599,-635,-633,-657]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 h6 4. Bf4 (4. Bxf6 gxf6 5. e3 h5 6. c4 e6 7. Nc3 c6 8. Qc2 Nd7 9. O-O-O f5 10. h3 a6 11. c5 Qc7 12. Bd3 Bh6 13. Kb1 b5 14. Rdg1 a5 15. g4 f4 16. g5 Bg7 17. g6 f5 18. Ng5 Nf6 {Kanyamarala,T (2321)-Goltsev,D (2282) Chess.com INT 2021 1-0 (114)}) ({RR} 4. Bxf6 gxf6 5. e3 h5 6. c4 e6 7. Nc3 c6 8. Qc2 Nd7 9. O-O-O f5 10. h3 a6 11. c5 Qc7 12. Bd3 Bh6 13. Kb1 b5 14. Rdg1 a5 15. g4 f4 16. g5 Bg7 17. g6 f5 18. Ng5 Nf6 {Kanyamarala,T (2321)-Goltsev,D (2282) Chess.com INT 2021 1-0 (114)}) 4... c5 (4... c6 5. e3 Bf5 6. c4 e6 7. Nc3 Nbd7 8. Bd3 Bxd3 9. Qxd3 Bb4 10. O-O Qa5 11. Rfc1 O-O 12. h3 Rac8 13. a3 Bxc3 14. Rxc3 Ne4 15. Rc2 Rfe8 16. b4 Qa6 17. Qb3 Nb6 18. c5 Nc4 19. a4 {Lehtosaari,M (2149)-Tokhirjonova,G (2357) chess.com INT 2024 ½-½ (74)}) ({RR} 4... c6 5. e3 Bf5 6. c4 e6 7. Nc3 Nbd7 8. Bd3 Bxd3 9. Qxd3 Bb4 10. O-O Qa5 11. Rfc1 O-O 12. h3 Rac8 13. a3 Bxc3 14. Rxc3 Ne4 15. Rc2 Rfe8 16. b4 Qa6 17. Qb3 Nb6 18. c5 Nc4 19. a4 {Lehtosaari,M (2149)-Tokhirjonova,G (2357) chess.com INT 2024 ½-½ (74)}) 5. e3 Qb6 6. Qc1 $146 {Inaccuracy. c4 was best. D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} (6. c4) (6. b3 Nc6 7. c3 cxd4 $17 {And now ...g5 would win.} (7... Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. h3 cxd4 11. exd4 Be7 12. Nbd2 {½-½ (31) Lauter,H (1827)-Hannaske,A (2003) Nordrheinwestfalen 2017} O-O 13. O-O Rfd8 14. Rfe1 a5 15. g4 Qa6 16. Qe3 g5 (16... a4 $15) 17. Bg3 Kh8 18. Ne5 Nxe5 $1 19. Bxe5 Rg8 (19... Kg8 $14) 20. h4 Raf8 {Lauter,H (1827)-Hannaske,A (2003) Nordrheinwestfalen 2017 ½-½ (31)} (20... Rg6 $16)) 8. exd4 Ne4) ({RR} 6. b3 Nc6 7. c3 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. h3 cxd4 11. exd4 Be7 12. Nbd2 O-O 13. O-O Rfd8 14. Rfe1 a5 15. g4 Qa6 16. Qe3 g5 17. Bg3 Kh8 18. Ne5 Nxe5 19. Bxe5 Rg8 20. h4 Raf8 {Lauter,H (1827)-Hannaske,A (2003) Nordrheinwestfalen 2017 ½-½ (31)}) 6... Bf5 7. c3 Nc6 8. dxc5 {Black has an edge.} Qxc5 9. Nbd2 Qb6 10. h3 Rc8 {[%CAl Bc6b4]} 11. a3 {Prevents Nb4.} (11. Be2 $15) 11... e6 12. Be2 Be7 13. O-O O-O (13... g5 $5 {[%CAl Rg5f4]} 14. Bg3 Rg8) 14. g4 $6 {Inaccuracy. b4 was best.} (14. b4 a5) 14... Bh7 15. g5 $6 {Inaccuracy. b4 was best.} (15. b4 Nd7 16. c4 Bf6 17. Bd6 Rfe8 18. Ra2 Qd8 19. Qd1 dxc4 20. Nxc4 b5) 15... Nh5 16. gxh6 $6 {Inaccuracy. Bh2 was best.} (16. Bh2) 16... Nxf4 $19 17. exf4 gxh6 18. Kh1 Bg6 $6 {Inaccuracy. Kh8 was best.} (18... Kh8 19. Ne1 e5 20. Ng2 Rg8 21. Ne3 Rcd8 22. Bf3 e4 23. Bh5 Bc5 24. Bxf7) 19. Ne5 $2 {Mistake. f5 was best.} (19. f5 exf5 20. Bd3) 19... Nxe5 20. fxe5 Bh4 {[%CAl Be7h4,Bh4f2,Bf2e3][%mdl 32]} 21. Nf3 Bxf2 {Strongly threatening ...Be3.} 22. Qxh6 $6 {Inaccuracy. Qd1 was best.} (22. Qd1 Qe3 23. Kg2 Bh4 24. Nxh4 Qg5+ 25. Kh2 Qxh4 26. Qe1 Qe4 27. Bg4 h5) 22... Qe3 $2 {Mistake. Be3 was best.} (22... Qxb2 23. Rg1 Qxe2 24. Rxg6+ fxg6 25. Qxg6+ Kh8 26. Qh6+ Kg8 27. Qg6+ Kh8 28. Qh6+ Kg8 29. Qg6+) (22... Be3 23. Qh4 Qxb2 24. Rae1 Rxc3 25. Qf6 Qc2 26. Nh4 Bd2 27. Bf3 Bxe1 28. Rxe1) 23. Qxe3 Bxe3 24. Nh4 Be4+ 25. Bf3 Rc4 $2 {Mistake. Bd3 was best.} (25... Bd3 26. Rfd1 Bh7 27. Ng2 Bb6 28. Nf4 Kh8 29. Rf1 Bc7 30. Rae1 Rg8 31. Bg4) 26. Ng2 (26. Rae1 Bb6 27. Bxe4) 26... Bb6 {White must now prevent ...Bd3.} 27. Rae1 Bg6 {...Kg7 is the strong threat.} 28. Ne3 $2 {Mistake. Be2 was best.} (28. Be2 Ra4 (28... Re4 29. Nf4 Kg7 30. Nxg6 fxg6 31. Bg4 Rxf1+ 32. Rxf1 Rxe5 33. Kg2 Re4) 29. Bd1) 28... Rh4 29. Kg2 Rc8 $6 {Inaccuracy. Kg7 was best.} (29... Kg7 30. Ng4 Rfh8 31. Rh1 Bc7 32. Nf2 Rf4 33. Bg4 b5 34. Re3 Kf8 35. Rd1) 30. Kg3 Rh8 31. Ng4 Kg7 32. Rh1 $6 {Inaccuracy. Nf6 was best.} (32. Nf6 d4 33. Bxb7 Rc7 34. Be4 dxc3 35. bxc3 Rxc3+ 36. Rf3 Rxf3+ 37. Bxf3 Bd4) 32... d4 $2 {Mistake. Bc7 was best.} (32... Rh5 $19 33. Rd1 Bc7) (32... Bc7 33. Kg2 Rh5 34. a4 Rch8 35. b3 Ba5 36. Rc1 Rc8 37. c4 d4 38. Bxb7) 33. cxd4 $17 Bxd4 34. Re2 Rhd8 (34... b5 $17 {[%CAl Bb5b4] aiming for ...b4!} 35. Rd1 Bb6) 35. h4 b6 $6 {Inaccuracy. Rc4 was best.} (35... Bd3 $15 36. Rg2 (36. Rd2 Bc2) 36... Bf5) (35... Rc4 36. Rd1) 36. h5 Bd3 37. h6+ Kh8 38. Rhh2 $4 {[%mdl 8192] Blunder. Rd2 was best. [#]} (38. Rd2 Bc2 39. Kh4) 38... Bxe2 $19 39. Rxe2 Bc5 40. Be4 Rd1 41. h7 Bd4 42. Bc2 $2 {Mistake. Kh4 was best.} (42. Kh3) (42. Kh4 Rc4) 42... Rg1+ {Black is clearly winning.} 43. Kf3 Bxb2 44. Nh6 Kg7 45. Rh2 Bxe5 46. h8=Q+ $6 {Inaccuracy. Rh5 was best.} (46. Rh5 Rxc2 47. h8=Q+ Kxh8 48. Nxf7+ Kg7 49. Nxe5 Rc5 50. Ke3 Ra5 51. Ke4 Re1+) 46... Rxh8 47. Re2 Bd6 48. Rf2 {Weighted Error Value: White=0.46/Black=0.33 PRECISÃO LICHESS: BRANCAS 86% PRETAS 91%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.4"] [White "Manzi, Luiz Antonio Bardar"] [Black "Laba, Otavio De Souza"] [Result "0-1"] [ECO "E62"] [WhiteElo "1980"] [BlackElo "1918"] [Annotator "Stockfish 16.1"] [PlyCount "141"] [EventDate "2024.??.??"] {[%evp 15,141,37,40,5,13,6,1,-36,-10,-12,-15,-18,71,68,71,37,41,37,34,38,37,-1,-4,-2,-5,-20,-14,-21,-12,-30,-12,-9,0,0,0,0,0,-6,-1,-2,0,0,0,0,0,0,0,0,0,0,13,17,41,3,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1268,-512,-846,-251,-1779,-1495,-1764,-432,-2075,-1175,-29993,-29994,-29995,-29996,-29996,-29994,-29995,29990,29991,29992,29992,29994,29992,29994,29991]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c6 7. Nc3 Bf5 8. Re1 Ne4 9. e3 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} Nxc3 10. bxc3 Be4 11. Qb3 {The position is equal.} Qb6 12. Nd2 Bxg2 13. Kxg2 d5 $146 {Inaccuracy. c5 was best.} (13... Qc7 14. Rb1 b6 15. a4 Nd7 16. Nf3 e6 17. e4 Rfc8 18. Bf4 e5 19. Be3 Re8 20. Nd2 Nf6 21. f3 Rad8 22. a5 {[%CAl Ra5b6]} bxa5 23. Qb7 Rd7 (23... Qxb7 24. Rxb7 Rd7) 24. Qa6 d5 (24... Qc8 $14 25. Qxa5 Nh5) 25. dxe5 $1 $18 Qxe5 {[%CAl Rd5e4]} 26. Bd4 $1 {[%CAl Rd4e5]} Qg5 (26... Qc7 {might work better.}) 27. f4 $18 Qh5 {[%CAl Rf6e4]} 28. Qxc6 {Kolmagorov,A (2125)-Teterev,V (2257) chess.com INT 2024 ½-½ (47)}) (13... Nd7 14. Ba3 Qc7 15. Rab1 Rab8 16. Qa4 a6 17. c5 $15 (17. Bb4 c5 $17 (17... b5 18. Ba5 $1 $15 (18. Qxa6 Ra8 19. Ba5 Qxa5 20. Qxc6 Qxa2 21. Qxd7 Qxd2 22. cxb5 {0-1 (41) Shapiro,D (2399)-Pavlidis,A (2536) Chess.com INT 2020} Ra2 23. Rf1 Bh6 {White must now prevent ...Bxe3.} 24. Qxe7 Bxe3 $1 25. Qf6 Qxc3 26. b6 Bxd4 27. Qxd6 Bc5 28. Qc6 {Shapiro,D (2399)-Pavlidis,A (2536) Chess.com INT 2020 0-1 (41)}) 18... Qa7 19. Qc2) 18. Ba3 b5)) (13... c5) ({RR} 13... Nd7 14. Ba3 Qc7 15. Rab1 Rab8 16. Qa4 a6 17. Bb4 b5 18. Qxa6 Ra8 19. Ba5 Qxa5 20. Qxc6 Qxa2 21. Qxd7 Qxd2 22. cxb5 Ra2 23. Rf1 Bh6 24. Qxe7 Bxe3 25. Qf6 Qxc3 26. b6 Bxd4 27. Qxd6 Bc5 28. Qc6 {Shapiro,D (2399)-Pavlidis,A (2536) Chess.com INT 2020 0-1 (41)}) ({RR} 13... Qc7 14. Rb1 b6 15. a4 Nd7 16. Nf3 e6 17. e4 Rfc8 18. Bf4 e5 19. Be3 Re8 20. Nd2 Nf6 21. f3 Rad8 22. a5 bxa5 23. Qb7 Rd7 24. Qa6 d5 25. dxe5 Qxe5 26. Bd4 Qg5 27. f4 Qh5 28. Qxc6 {Kolmagorov,A (2125)-Teterev,V (2257) chess.com INT 2024 ½-½ (47)}) 14. Ba3 $16 Re8 15. Rab1 Qxb3 16. Rxb3 (16. Nxb3 dxc4 17. Na5 b5) 16... b6 17. cxd5 cxd5 18. e4 dxe4 19. Nxe4 {[%CAl Be4d6]} Nc6 20. Rbb1 Na5 21. Nd2 e6 22. Re3 Bh6 23. f4 Rac8 24. Bb4 Nc4 25. Nxc4 Rxc4 26. Rb3 Bf8 27. d5 Bxb4 28. Rxb4 Rxb4 29. cxb4 {[%mdl 4096] Endgame KR-KR} Rd8 30. dxe6 Rd2+ 31. Kf3 {e7 would kill now.} fxe6 32. Ra3 Rd7 33. Ke4 Kf7 34. Rc3 h5 35. a4 Kf6 36. a5 bxa5 37. bxa5 Rd5 38. Ra3 Rb5 39. Ra4 Rb2 40. h3 Rb3 41. g4 Rb5 (41... Rxh3 $5 42. g5+ Ke7) 42. a6 hxg4 43. hxg4 g5 44. Kd3 Rb6 45. Ke3 Rb5 46. Ra3 gxf4+ 47. Kxf4 e5+ 48. Kg3 Kg5 49. Rf3 e4 50. Rf7 Rb3+ 51. Kf2 Kxg4 52. Rxa7 Ra3 53. Ra8 Kf4 54. a7 {Intending Rf8+ and mate.} Ra2+ 55. Kg1 {Hoping for Rf8+.} Ke3 56. Kh1 Ra4 57. Kg2 Ke2 58. Kg3 e3 59. Kg2 $4 {[%mdl 8192] Blunder. Kh3 was best.} (59. Kh3 Ra2 60. Kg4 Ra3 61. Kh4 Ra6 62. Kg4 Ra2 63. Kh3 Ra5 64. Kg3 Ra4) 59... Rg4+ $1 $19 60. Kh3 (60. Kh2 Rg7 61. Kh3) 60... Rg7 {aiming for ...Rd7.} 61. Kh4 $2 {Mistake. Kh2 was best. [#]} (61. Kh2 Re7 62. Kg3 Ke1 63. Kf3 e2 64. Rb8 Rxa7 65. Rb1+ Kd2 66. Rb2+ Kd1) 61... Rd7 $1 {Strongly threatening ...Kd2.} (61... Rxa7 62. Rxa7 Kf2 63. Kh3) 62. Kg4 {[#]} Kd2 $1 63. Kf3 (63. Rb8 Rxa7 64. Kf3 Rf7+ 65. Kg2) 63... e2 64. Rf8 $4 {Checkmate is now unavoidable. Rb8 was best.} (64. Rb8 Rf7+ 65. Kg4 Rxa7 66. Rd8+ Ke3 67. Re8+ Kf2 68. Rf8+ Ke1 69. Kg5 Ra3) 64... e1=Q 65. a8=Q {KQR-KQR} Qe3+ 66. Kg4 Rd4+ 67. Kh5 Qh6+ $4 {[%mdl 8192] Lost forced checkmate sequence. Qe5+ was best.} (67... Qe5+ 68. Rf5 Qxf5+ 69. Kh6 Rd6+ 70. Kg7 Rg6+ 71. Kh7 Qh5#) 68. Kxh6 {White mates.} Rd3 69. Kg6 Rh3 $4 {Checkmate is now unavoidable. Rd6+ was best.} (69... Rd6+ 70. Kf5 Rd4 71. Qa2+ Kd3 72. Qb3+ Kd2 73. Re8 Rh4 74. Qe3+ Kc2 75. Qf2+) 70. Kf6 Ke3 71. Qa4 $6 {[%mdl 32768] Lost forced checkmate sequence. Qa3+ was best. Weighted Error Value: White=0.32/Black=0.06 (flawless) . Loss on time!? PRECISÃO LICHESS: BRANCAS 93% PRETAS 66%} (71. Qa3+ Kd4 72. Qxh3 Kc4 73. Rc8+ Kb4 74. Qh1 Kb5 75. Qb1+ Ka4 76. Ra8#) 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.5"] [White "De Oliveira, Luis Felipe Garcia"] [Black "Bruno Leonardo do Nasc. Dias"] [Result "1/2-1/2"] [ECO "C29"] [Annotator "Stockfish 16.1"] [PlyCount "77"] [EventDate "2024.??.??"] {[%evp 15,77,31,58,26,23,19,26,32,122,52,52,68,73,71,85,79,174,171,460,460,453,451,453,453,454,434,439,426,462,415,461,475,449,426,417,405,442,384,369,382,367,316,315,310,316,314,305,307,309,291,371,371,358,357,361,361,491,511,496,491,478,465,902,906]} 1. e4 e5 2. Nc3 Nf6 3. f4 d6 $6 {Inaccuracy. d5 was best.} (3... d5 4. fxe5 Nxe4 5. Nf3 Bc5 6. d4 Bb4 7. Bd2 c5 8. Bd3) 4. Bc4 $6 {Inaccuracy. Nf3 was best.} (4. Nf3 a6 5. Be2 Be7 6. d4 exd4 7. Nxd4 c5 8. Nb3 Nc6) 4... Nbd7 $146 {Inaccuracy. Nxe4 was best.} (4... Nc6 5. h3 g6 6. Nf3 h6 7. d3 Bg7 8. O-O Bd7 9. fxe5 dxe5 10. Be3 O-O 11. Nh2 Na5 12. Qf3 Nxc4 13. dxc4 g5 14. Bc5 Re8 15. Nd5 Nxd5 16. Qxf7+ Kh7 17. cxd5 b6 18. Bb4 a5 19. Ba3 {Cook,S (1765)-Mittal,A (1619) Dunfermline SCO 2024 1-0 (31)}) (4... exf4 5. d3 (5. Nf3 h6 (5... Bg4 6. e5 dxe5 7. Bxf7+ Kxf7 8. Nxe5+ Kg8 9. Nxg4 Bc5 10. d3 h5 11. Nxf6+ Qxf6 12. Qf3 Bb4 13. Qd5+ Kf8 14. O-O g5 15. Qxb7 Qb6+ 16. Qxb6 axb6 17. Nd5 Bd6 18. Bd2 Nd7 19. Bc3 {Adel,S (1764)-Zochowski,K (2262) chess.com INT 2023 0-1 (67)}) 6. d4 g5 7. e5 Nh7 8. O-O Be7 9. Qd3 Nf8 10. d5 dxe5 11. Nxe5 Bd6 12. Re1 Qe7 13. Nf3 Bc5+ 14. Kh1 Be6 15. dxe6 fxe6 16. Nd5 Qf7 17. Ne5 Qg7 18. Bd2 c6 19. Nc3 {MacKenzie,G-Haughton,W Cleveland 1871 1-0}) 5... Bg4 6. Nf3 Nh5 7. O-O g6 8. g3 Nc6 9. gxf4 Qd7 10. d4 Bg7 11. Be3 f5 12. e5 dxe5 13. dxe5 O-O-O 14. Qxd7+ Kxd7 15. Ng5 Na5 16. Be6+ Kc6 17. h3 Ng3 18. hxg4 Nxf1 19. Rxf1 {Indjic,A (2641)-Koellner,R (2417) chess.com INT 2023 1-0}) (4... g6 5. Nf3 Nc6 6. O-O Bg7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nh5 10. e5 Bf5 11. Qd5 Be6 12. Qe4 Bxc4 13. Qxc4 Qe7 14. Nd5 Qh4 15. Nxc7+ Ke7 16. exd6+ Kxd6 17. Rd1+ Ke7 18. Qe2+ Kf6 19. Qe5# {Barbot,O-Mapelle,S Val Maubuee 1990 1-0}) (4... Nxe4 5. Nxe4 d5 6. Nf3 dxc4 7. Nxe5 Qh4+ 8. Nf2 Bc5 9. O-O) ({RR} 4... exf4 5. Nf3 h6 6. d4 g5 7. e5 Nh7 8. O-O Be7 9. Qd3 Nf8 10. d5 dxe5 11. Nxe5 Bd6 12. Re1 Qe7 13. Nf3 Bc5+ 14. Kh1 Be6 15. dxe6 fxe6 16. Nd5 Qf7 17. Ne5 Qg7 18. Bd2 c6 19. Nc3 {MacKenzie,G-Haughton,W Cleveland 1871 1-0}) ({RR} 4... exf4 5. d3 Bg4 6. Nf3 Nh5 7. O-O g6 8. g3 Nc6 9. gxf4 Qd7 10. d4 Bg7 11. Be3 f5 12. e5 dxe5 13. dxe5 O-O-O 14. Qxd7+ Kxd7 15. Ng5 Na5 16. Be6+ Kc6 17. h3 Ng3 18. hxg4 Nxf1 19. Rxf1 {Indjic,A (2641)-Koellner,R (2417) chess.com INT 2023 1-0}) ({RR} 4... Nc6 5. h3 g6 6. Nf3 h6 7. d3 Bg7 8. O-O Bd7 9. fxe5 dxe5 10. Be3 O-O 11. Nh2 Na5 12. Qf3 Nxc4 13. dxc4 g5 14. Bc5 Re8 15. Nd5 Nxd5 16. Qxf7+ Kh7 17. cxd5 b6 18. Bb4 a5 19. Ba3 {Cook,S (1765)-Mittal,A (1619) Dunfermline SCO 2024 1-0 (31)}) ({RR} 4... exf4 5. Nf3 Bg4 6. e5 dxe5 7. Bxf7+ Kxf7 8. Nxe5+ Kg8 9. Nxg4 Bc5 10. d3 h5 11. Nxf6+ Qxf6 12. Qf3 Bb4 13. Qd5+ Kf8 14. O-O g5 15. Qxb7 Qb6+ 16. Qxb6 axb6 17. Nd5 Bd6 18. Bd2 Nd7 19. Bc3 {Adel,S (1764)-Zochowski,K (2262) chess.com INT 2023 0-1 (67)}) ({RR} 4... g6 5. Nf3 Nc6 6. O-O Bg7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nh5 10. e5 Bf5 11. Qd5 Be6 12. Qe4 Bxc4 13. Qxc4 Qe7 14. Nd5 Qh4 15. Nxc7+ Ke7 16. exd6+ Kxd6 17. Rd1+ Ke7 18. Qe2+ Kf6 19. Qe5# {Barbot,O-Mapelle,S Val Maubuee 1990 1-0}) 5. d3 Be7 6. Nf3 O-O 7. O-O c6 8. fxe5 dxe5 9. Qe1 {C24: Bishop's Opening: 2...Nf6.} b5 10. Bb3 a5 {[#] And now ...a4 would win.} 11. a3 $1 {White has an edge.} Bb7 $2 {Mistake. Nc5 was best.} (11... Nc5) 12. Qg3 $6 {Inaccuracy. Ba2 was best.} (12. Ba2 Bc8 13. Kh1 Qc7 14. Ne2 Nh5 15. Bd2 Ndf6 16. Qh4 Ra6 17. Bc3 Bd6) 12... Nh5 $146 (12... Qc7 13. Bh6 Ne8 14. d4 Qd6 15. Be3 exd4 16. Qxd6 Nxd6 17. Bxd4 b4 18. axb4 axb4 {1-0 (43) Burgess,J (2230)-Hidalgo Mendoza,E ICC INT 2009}) 13. Qf2 Bc5 14. Be3 Bxe3 15. Qxe3 Nf4 $6 {Inaccuracy. Qe7 was best.} (15... Qe7) 16. Nxe5 $1 $18 {[%CAl Bf3e5,Be5f7,Bf7d8,Bd8b7,Bb7d6][%mdl 32]} Nxg2 $4 {Blunder. Nxe5 was best.} (16... Nxe5 17. Rxf4 (17. Qxf4 Qd6 $16) 17... a4 (17... Bc8 18. d4 Ng6 19. Rff1 Be6 20. d5 Bd7 21. Rad1 Qe7 22. a4)) 17. Nxf7 (17. Kxg2 Nxe5 18. Rf5 Qe7 $14) 17... Nxe3 18. Nxd8+ Kh8 19. Rxf8+ (19. Nxb7 Nxf1 20. Rxf1 a4 $18) 19... Nxf8 20. Nxb7 a4 21. Ba2 Nxc2 22. Rf1 Ng6 23. Nd6 {[#] Nf7+ would kill now.} h6 24. Nf7+ Kh7 25. Be6 Nd4 26. Bh3 b4 27. axb4 a3 28. bxa3 Rxa3 29. Nd1 Rxd3 30. Bf5 Nxf5 31. exf5 Ne7 32. Ne5 Rd4 $6 {Inaccuracy. Rd5 was best.} (32... Rd5 33. Re1 Rd4 34. Ne3 Rxb4 35. Rf1 Re4 36. N5c4 Kg8 37. f6 gxf6 38. Rxf6) 33. Ne3 Rxb4 34. f6 gxf6 35. Rxf6 {White wants to mate with Rf7+.} Nd5 $6 {Inaccuracy. Rb1+ was best.} (35... Rb1+ 36. Kf2 Rb2+ 37. Kf3 Kg8 38. Rxh6 Rb3 39. Rh5 Kg7 40. Kf2 Rb2+ 41. Kg3) 36. Rf7+ {White is clearly winning.} Kg8 37. Nf5 Rg4+ 38. Kf2 (38. Nxg4 Kxf7 39. Ng3 (39. Ngxh6+ Kg6 $16) 39... Kg7 $18) (38. Kh1 Rg6 39. Re7 Rg5 40. Nxh6+ Kh8) 38... Rf4+ $6 {Inaccuracy. Rg6 was best.} (38... Rg6 39. Re7 (39. Ra7 Re6 40. Nf7 Nc3 41. N7xh6+ Kh8 42. Kf3 Nb5 43. Rd7 Nc3 44. Nf7+) 39... Rg5) 39. Kg3 {[%mdl 32768] Weighted Error Value: White=0.14 (very precise) /Black=0.34. An unexpected result. PRECISÃO LICHESS: BRANCAS 95% PRETAS 89%} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.6"] [White "Dias, Matheus Braga"] [Black "Moises Hiroshi O.Akiama"] [Result "0-1"] [ECO "D10"] [WhiteElo "1953"] [Annotator "Stockfish 16.1"] [PlyCount "106"] [EventDate "2024.??.??"] {[%evp 10,106,0,0,30,-5,-4,0,1,-10,157,84,260,246,423,253,264,222,261,271,279,240,247,246,225,223,296,271,352,239,378,388,373,383,376,304,320,322,314,318,275,207,344,335,478,478,457,308,481,475,501,496,492,147,122,25,18,0,0,0,0,0,0,0,164,157,151,0,0,0,455,447,423,0,0,0,0,0,0,-4,0,-4,-15,-400,-389,-550,-538,-660,-630,-624,-611,-609,-603,-589,-578,-911,-907,-29993,-29992]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. e3 Nc6 6. Nf3 Qc7 {D13: Slav Defence: Exchange variation without ...Bf5.} (6... Rb8 7. Bd3 Bg4 8. O-O (8. h3 $5 {[%CAl Rh3g4]} Bxf3 9. Qxf3) 8... e6 9. Bd2 Bd6 10. h3 Bh5 11. Rc1 O-O 12. Nb5 Be7 13. g4 Bg6 14. Bxg6 hxg6 15. Ne5 Nxe5 (15... Qb6 $5 {[%CAl Rb6b5]} 16. Qa4 a6 $15) 16. dxe5 Nd7 17. Bc3 a6 (17... Qb6 $5 {[%CAl Rb6b5]} 18. a4 a6) 18. Nd4 Rc8 19. Nb3 Nb8 20. Qe2 Nc6 21. Nd4 {Kapelkina,G (1644)-Khropova,L (2031) St Petersburg 2022 0-1}) ({RR} 6... Rb8 7. Bd3 Bg4 8. O-O e6 9. Bd2 Bd6 10. h3 Bh5 11. Rc1 O-O 12. Nb5 Be7 13. g4 Bg6 14. Bxg6 hxg6 15. Ne5 Nxe5 16. dxe5 Nd7 17. Bc3 a6 18. Nd4 Rc8 19. Nb3 Nb8 20. Qe2 Nc6 21. Nd4 {Kapelkina,G (1644)-Khropova,L (2031) St Petersburg 2022 0-1}) 7. Bd3 (7. Qb3) ({RR} 7. Qb3) 7... Bg4 $146 (7... e6 8. O-O Bd7 9. Bd2 a6 10. Rc1 Rc8 11. Na4 {[%CAl Bf3e5]} Bd6 {Against Ne5} 12. b4 Ne4 13. Bxe4 dxe4 14. Ng5 Bxh2+ 15. Kh1 Qd8 $2 (15... Bd6 $1 $14) 16. Qh5 $18 {[%csl Gg5][%CAl Rh5f7]} g6 17. Qh6 Bc7 (17... Bd6 {was called for.}) 18. Nc5 Qe7 19. Ngxe4 f5 20. Ng5 Nd8 21. e4 {aiming for exf5.} fxe4 $2 (21... Qf8 22. Qh3 h6) 22. Nxd7 {Straenger,H (2051)-Pukropski,A (1893) Ruhrgebiet 2001 ½-½ (46)}) (7... e5 8. Nb5 Qb8 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. O-O d4 12. Nxd4 Bc5 13. Nf3 Qe7 14. Bb5+ {1-0 (29) Linart,L (875)-Sohum,O (649) LSS email 2014}) ({RR} 7... e6 8. O-O Bd7 9. Bd2 a6 10. Rc1 Rc8 11. Na4 Bd6 12. b4 Ne4 13. Bxe4 dxe4 14. Ng5 Bxh2+ 15. Kh1 Qd8 16. Qh5 g6 17. Qh6 Bc7 18. Nc5 Qe7 19. Ngxe4 f5 20. Ng5 Nd8 21. e4 fxe4 22. Nxd7 {Straenger,H (2051)-Pukropski,A (1893) Ruhrgebiet 2001 ½-½ (46)}) 8. h3 Bh5 {The position is equal.} 9. O-O e5 $2 {Mistake. e6 was best.} (9... e6 10. Bd2) 10. dxe5 (10. g4 $1) 10... Nxe5 $2 {Mistake. Bxf3 was best.} (10... Bxf3 11. Qxf3 Qxe5) 11. Bb5+ $18 Nfd7 $2 {Mistake. Nc6 was best.} (11... Nc6 12. Nxd5 Nxd5 13. Qxd5 Bxf3 14. Qxf3 Rc8 15. Bd2 Bd6 16. Bxc6+ bxc6 17. Qe4+) 12. Qxd5 $6 {Inaccuracy. Nxd5 was best.} (12. Nxd5 Nxf3+ 13. gxf3 (13. Qxf3 Qe5 14. g4 Bg6 15. e4 Bxe4 16. Nc7+ Ke7 17. Qe2 Bc6)) 12... Bxf3 13. gxf3 {[%CAl Bg2f3,Bf3f4][%mdl 32]} Be7 14. f4 Nc6 15. Rd1 Nf6 16. Qf3 (16. Qe5 $6 Qc8) 16... O-O 17. e4 a6 18. Ba4 {Black must now prevent e5.} Bc5 $6 {Inaccuracy. Rfd8 was best.} (18... Rfd8 19. Be3 Bb4 20. e5 Bxc3 21. bxc3 Ne8 22. Bb3 Rxd1+ 23. Rxd1 Rd8 24. Rd5) 19. Be3 $6 {Inaccuracy. e5 was best. Against Nd4} (19. e5 Nd7 20. Nd5 Qb8 21. Be3 Bxe3 22. Qxe3 Kh8 23. Rac1 Re8 24. Bc2 Nf8) 19... Qb6 $6 {Inaccuracy. Bxe3 was best.} (19... Bxe3 20. fxe3 (20. Qxe3 Rae8 21. e5 Nh5 22. Rac1 Qa5 23. Qf3 g6 24. Qe4 Rd8 25. Nd5) 20... Rfd8) 20. Bxc5 Qxc5 21. e5 Ne8 22. Ne4 Qb4 23. Bxc6 bxc6 24. a3 Qxb2 25. Qd3 $6 {Inaccuracy. Rab1 was best.} (25. Rab1 Qa2) 25... Qb6 $6 {Inaccuracy. Qb5 was best.} (25... Qb5 26. Qc2 (26. Qf3 Nc7 27. Rac1 Rad8 28. Nd6 Qb2 29. Rxc6 Ne6 30. Rc4 g6 31. Kg2) 26... Nc7) 26. Rab1 Qa5 $6 {Inaccuracy. Qa7 was best.} (26... Qa7 27. Rbc1 (27. Qc2) 27... Rc8) 27. Ng5 {[%csl Gg5][%CAl Rd3h7]} g6 28. Qd7 $2 {Mistake. Rb7 was best.} (28. Rb7 Ng7 29. Qb3 Rad8 30. Rxd8 Qxd8 31. Rxf7 Qd5 32. Rxf8+ Kxf8 33. Nxh7+ Ke7) 28... Qa4 $2 {Mistake. h6 was best.} (28... h6 29. Ne6 Ng7 30. Nxf8 Rxf8 31. f5 gxf5 32. Qxc6 Ne6 33. Rb3 Kh7 34. Rg3) 29. Rb4 (29. e6 Ng7 30. exf7+ Kh8) 29... Qxa3 30. Rb7 {[%CAl Rg5f7]} Qa4 31. Nxf7 $4 {Blunder. Rd4 was best.} (31. Rd4 Qa2 32. e6 Nf6 33. exf7+ Rxf7 34. Qxf7+ Qxf7 35. Nxf7 Nd5 36. Nh6+ Kh8) 31... Qxf4 $16 {[%CAl Rf8f7] [#]} 32. e6 $6 $40 {[%mdl 128] Inaccuracy. Qxc6 was best. Black needs to defend precisely.} (32. Qxc6 Ng7 {[#]} 33. Qd5 $1) 32... Nf6 {[%CAl Be8f6,Bf6d5,Bd5f4][%mdl 32]} 33. Qd4 $6 {Inaccuracy. Qxc6 was best.} (33. Qxc6 Rfc8) 33... Qxd4 34. Rxd4 Nd5 35. Nh6+ Kh8 36. Nf7+ Kg7 $2 {Mistake. Kg8 was best.} (36... Kg8 37. Nh6+ Kh8 38. Nf7+) 37. Ne5+ $18 Kf6 38. Nxc6 $2 {Mistake. Nd7+ was best.} (38. Nd7+ Kxe6 39. Nxf8+ Rxf8 40. Rxh7 c5 41. Ra4 Nb4 42. Rh4 Rf5 43. Ra3 Kd5) 38... Kxe6 39. Rxh7 Nf4 $4 {[%mdl 8192] Blunder. Rac8 was best.} (39... Rac8 40. Nb4 Nf4 41. Re4+ Kf5) 40. Re7+ $18 Kf5 41. Re3 $4 {Blunder. Re5+ was best.} (41. Re5+ Kf6 42. Rxf4+ Kg7 43. Re7+ Kg8 44. Rg4 (44. Ra4 Rae8 45. Rxe8 Rxe8 46. Ra5 Kg7)) 41... Kg5 42. Ne5 a5 {[%CAl Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 43. Rg3+ Kh5 {Hoping for ...Ne2+.} 44. Re3 {Prevents Ne2+.} a4 {Strongly threatening ...a3.} 45. Kh2 a3 46. Re1 $4 {[%mdl 8192] Blunder. Rd7 was best.} (46. Rd7 Kg5 47. h4+ Kf5 48. f3) 46... a2 $19 {[%CAl Bf4e2]} 47. Ra1 (47. Rd7 {keeps fighting.} a1=Q 48. Rxa1 Rxa1 49. Rh7+ Kg5 50. h4+ Kf5 51. Nd7) 47... Ne2 {[%csl Bd4,Bf2]} 48. Rd5 Rxf2+ 49. Kh1 Ng3+ 50. Kg1 {[#]} Rf1+ {[%mdl 512]} 51. Rxf1 Nxf1 52. Nf7+ Kh4 53. Kg2 $4 {Checkmate is now unavoidable. Rd4+ was best.} (53. Rd4+ Kg3 54. Rd3+ Kf4 55. Rd1 Ne3 56. Ra1 Kg3 57. Nd6 Nc2 58. Ne4+ Kf3) 53... Ne3+ {Weighted Error Value: White=0.90/Black=0.57 PRECISÃO LICHESS: BRANCAS 81% PRETAS 86%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.7"] [White "Fucs, Paulo Moses"] [Black "Guimaraes, Sergio Murilo Soare"] [Result "1-0"] [ECO "C42"] [WhiteElo "1917"] [BlackElo "1915"] [Annotator "Stockfish 16.1"] [PlyCount "85"] [EventDate "2024.??.??"] {[%evp 12,85,24,-14,9,14,17,1,19,-2,2,0,7,3,24,29,23,22,38,17,52,45,65,30,31,16,19,11,27,24,33,23,52,47,60,29,104,74,197,52,456,458,450,390,400,404,398,399,413,358,371,364,507,496,519,519,519,515,498,454,448,338,434,414,427,421,414,398,421,419,798,798,796,796,737,669]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 $2 {Mistake. d6 was best.} (3... d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. Re1) 4. Nf3 $2 {Mistake. Nxc6 was best.} (4. Nxc6 bxc6 5. Nc3 Rb8 6. Be2 Bb4 7. O-O O-O 8. e5 Nd5) 4... Nxe4 5. Nc3 Nf6 6. d4 d5 7. Be2 Be7 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 8. O-O O-O 9. Bf4 a6 {The position is equal.} 10. a3 Bf5 11. Re1 Re8 12. Ne5 Ne4 $146 (12... Bf8 13. Bg3 Ne7 14. Bh4 Ne4 $2 {[#]} (14... Ng6 15. Bg3 Nxe5 16. dxe5 Ne4) 15. Nxd5 $1 $18 g5 16. Nxe7+ Bxe7 17. Bg3 Be6 (17... Nxg3 18. Bc4 Bg6) 18. Bd3 Nf6 (18... Nxg3 19. hxg3 Bf8) 19. h3 Kg7 20. c3 c5 21. Be4 $2 (21. Nf3 $18) 21... Nxe4 $16 22. Rxe4 {Black must now prevent Qh5.} Bf5 $2 (22... f5 $16 23. Re1 cxd4) 23. Re1 cxd4 24. Qxd4 $2 (24. Qf3 $18 Be6 25. Rad1) 24... Qxd4 25. cxd4 Rad8 26. Nc4 Be6 27. Nb6 {Straka,V (1770)-Kubala,K (1955) Brno 2015 0-1 (47)}) (12... Bd6 13. Bf3 Ne7 14. Bg5 c6 15. Bxf6 gxf6 16. Ng4 Bxg4 17. Bxg4 Qc7 18. h3 Ng6 19. Qf3 Kg7 {½-½ (52) Woost,T (1933)-Schaefer,M (1786) Erfurt 2016}) ({RR} 12... Bf8 13. Bg3 Ne7 14. Bh4 Ne4 15. Nxd5 g5 16. Nxe7+ Bxe7 17. Bg3 Be6 18. Bd3 Nf6 19. h3 Kg7 20. c3 c5 21. Be4 Nxe4 22. Rxe4 Bf5 23. Re1 cxd4 24. Qxd4 Qxd4 25. cxd4 Rad8 26. Nc4 Be6 27. Nb6 {Straka,V (1770)-Kubala,K (1955) Brno 2015 0-1 (47)}) 13. Nxc6 bxc6 14. Nxe4 Bxe4 15. Bd3 Bf6 16. c3 Re7 17. Bxe4 dxe4 18. Qc2 Qd5 19. b4 {[%CAl Bb2b4,Bb4a5,Ba5a6][%mdl 32]} Qc4 20. Rac1 Rae8 21. h3 a5 22. Be3 Rd7 23. Qe2 Qb3 $6 {Inaccuracy. Qxe2 was best.} (23... Qxe2 24. Rxe2 Be7) 24. bxa5 Qxa3 $6 {Inaccuracy. Qa4 was best.} (24... Qa4 25. a6) 25. Qc4 $6 {Inaccuracy. a6 was best.} (25. a6 Ra8 26. Ra1 Qxc3 27. a7 Bxd4 28. Bxd4 Rxd4 29. Rab1 Rdd8 30. Qxe4 Qa5) 25... c5 $4 {[%mdl 8192] Blunder. Qxa5 was best. [#]} (25... Qxa5 26. Qxc6 Qd5 27. Qxd5 Rxd5 28. Ra1 c5 29. Ra5 Red8 30. Rxc5 Rxc5 31. dxc5) 26. Ra1 $18 Qb2 27. Ra2 Qb7 28. a6 Qa7 29. dxc5 c6 30. Rd2 Rxd2 31. Bxd2 {[%CAl Be3d2,Bd2f4,Bf4d6][%mdl 32]} g6 $6 {Inaccuracy. h5 was best.} (31... h5 32. Bf4 Ra8 33. Ra1 g6 34. Qb4 Kh7 35. Bd6 Qd7 36. Qxe4 Bxc3 37. Ra3) 32. Rb1 Re7 33. Bf4 Kg7 34. Bd6 Rd7 35. Bb8 Qa8 36. a7 $6 {Inaccuracy. Bd6 was best.} (36. Bd6 h5 37. Rb8 Qa7 38. Re8 e3 39. fxe3 Rxd6 40. cxd6 Qd7 41. Re4 Qxd6) 36... Re7 $6 {Inaccuracy. e3 was best.} (36... e3 37. Qa4 exf2+ 38. Kxf2 Bxc3 39. Kg3 f6 40. Kh2 h5 41. Rd1 Rb7 42. Qa3) 37. Re1 {[%CAl Bb1e1,Be1e4,Be4e7][%mdl 32]} Rxa7 38. Bxa7 Qxa7 39. Rxe4 {KQR-KQB} Qa1+ 40. Kh2 Bxc3 $2 {Mistake. Qb2 was best.} (40... h5 41. g3 Qxc3 42. Qxc3 Bxc3) (40... Qb2 41. Rf4 h5 42. g3 Qxc3 43. Qxc3 Bxc3 44. Ra4 Kf8 45. Ra6 Bd4 46. Rxc6) 41. Re7 {White is clearly winning.} Be5+ 42. f4 Bxf4+ 43. Qxf4 {Weighted Error Value: White=0.24 (precise) /Black=0.53 PRECISÃO LICHESS: BRANCAS 94% PRETAS 88%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.8"] [White "Kaue Dos Santos Leal"] [Black "Carlos Frederico B. de Olivei"] [Result "1-0"] [ECO "B01"] [WhiteElo "1856"] [BlackElo "1771"] [Annotator "Stockfish 16.1"] [PlyCount "56"] [EventDate "2024.??.??"] {[%evp 18,56,156,110,128,113,111,117,125,77,169,149,133,103,100,98,158,164,175,0,0,0,0,0,214,-187,199,-29,-32,-105,-128,-229,-231,-225,-103,-201,-125,-198,502,492,29999]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. Bd2 Qb6 9. O-O-O e6 10. Bc4 (10. Na4 $2 {10.?b1 1.49} Qc7 (10... Qxd4 11. Nc3 Nbd7) 11. g4 $16 Nbd7 12. c4 h6 13. h4 O-O-O 14. Bh3 g5 (14... Be7 15. g5 hxg5) 15. hxg5 $18 hxg5 16. Bxg5 Be7 17. Nc3 Rdf8 18. Bf4 Qa5 19. d5 cxd5 20. cxd5 Ne8 (20... Qb4 {is a better defense.} 21. Kb1 Ne8) 21. dxe6 $18 fxe6 {[%CAl Bf8f4] ...Rxf4! is the strong threat.} 22. Rxd7 Kxd7 23. Qxb7+ Nc7 24. Bxc7 $2 (24. Rd1+ $18 Ke8 25. Bxc7) 24... Qb4 $2 {[%mdl 8192] Middelburg,T (2347)-Zagema,W (2342) Netherlands 2000 1-0 (33)} (24... Qxc7 {and Black stays safe.} 25. Qb5+ Qc6 26. Rd1+ Kc7 27. Qa5+ Kb8 28. Qe5+ Kb7)) (10. Bg5 Nbd7 11. Bc4 Bb4 12. Ne4 {[%CAl Rg5f6]} Be7 13. Rhe1 O-O 14. g4 Qb4 15. Bd3 {aiming for c3.} Qa5 $2 (15... Nxe4 $1 $14 16. Bxe7 Qxe7 17. Qxe4 g6) 16. Kb1 $18 Rad8 17. h4 Rfe8 (17... c5) 18. Bd2 $18 Qb6 19. g5 Nd5 (19... Nxe4 20. Qxe4 Nf8) 20. c3 Ba3 (20... c5) 21. Bc1 $18 c5 (21... Be7 22. h5 Rf8) 22. Nxc5 $4 {[%mdl 8192]} (22. c4 $18) 22... Nxc3+ $19 23. Ka1 Nxd1 24. Nxd7 $2 (24. bxa3 {was the crucial defense.} Nc3 25. Nb3) 24... Bxb2+ {Winkels,M (1896)-Blackburn,J (2178) chess.com INT 2024 0-1}) ({RR} 10. Na4 Qc7 11. g4 Nbd7 12. c4 h6 13. h4 O-O-O 14. Bh3 g5 15. hxg5 hxg5 16. Bxg5 Be7 17. Nc3 Rdf8 18. Bf4 Qa5 19. d5 cxd5 20. cxd5 Ne8 21. dxe6 fxe6 22. Rxd7 Kxd7 23. Qxb7+ Nc7 24. Bxc7 Qb4 {Middelburg,T (2347)-Zagema,W (2342) Netherlands 2000 1-0 (33)}) ({RR} 10. Bg5 Nbd7 11. Bc4 Bb4 12. Ne4 Be7 13. Rhe1 O-O 14. g4 Qb4 15. Bd3 Qa5 16. Kb1 Rad8 17. h4 Rfe8 18. Bd2 Qb6 19. g5 Nd5 20. c3 Ba3 21. Bc1 c5 22. Nxc5 Nxc3+ 23. Ka1 Nxd1 24. Nxd7 Bxb2+ {Winkels,M (1896)-Blackburn,J (2178) chess.com INT 2024 0-1}) 10... Be7 {B01: Scandinavian Defence.} (10... Nbd7 11. Bf4 Be7 12. g4 Nd5 13. Bxd5 cxd5 14. Nb1 (14. Rhe1 $5 {[%CAl Rc3d5]}) 14... Rc8 15. Qb3 Qa6 16. Nd2 O-O 17. Kb1 Rc6 $1 18. Nf3 (18. Rc1 $17) 18... Rfc8 $19 19. Rd2 (19. Qd3) 19... Rb6 20. Qd3 $2 (20. Qe3 {only move.}) 20... Qa5 $19 21. Ne5 Nxe5 22. Bxe5 Rc3 23. Qe2 Qa3 24. b3 Ra6 25. Rdd1 (25. Qxa6 $19 Qxa6 26. Rhd1) 25... Qxa2+ 26. Kc1 Ba3+ {0-1 (26) Zierk,S (2499)-Vallejo Diaz,J (2365) Chess.com INT 2021}) 11. Rhe1 $146 {[%CAl Bc4e6]} (11. Bf4 O-O 12. h4 Nd5 13. Nxd5 cxd5 14. Bd3 $1 Nd7 15. Bg5 Rfe8 16. Qh5 (16. Kb1 $16) 16... Nf8 (16... g6 $14 17. Qf3 Rac8) 17. Rh3 (17. Kb1) 17... Qa5 (17... g6 18. Qf3 Nd7) 18. Kb1 $16 Qb6 19. Bxe7 (19. Be3) 19... Rxe7 $16 20. f4 Qd6 21. Qe5 Qxe5 22. fxe5 Nd7 23. Re3 Rc8 24. g4 Nb8 25. g5 g6 {Szelag,M-Capuano Neto,F St Lorenzo 1995 1-0 (64)}) (11. g4 Qc7 (11... Qxd4 $16 {was called for.} 12. Qe2 Nd5) 12. g5 $18 Nd5 13. h4 a6 (13... Bb4 {was necessary.}) 14. Bxd5 $2 (14. Rhe1 $18) 14... cxd5 $14 15. h5 {[%CAl Bg5g6] Threatens to win with g6!} Nc6 $1 16. Bf4 Qa5 17. g6 hxg6 18. hxg6 Rxh1 19. gxf7+ (19. Qxh1 $5 {[%CAl Rh1h8]} Kd7 20. Qh7 $16 (20. gxf7 Rf8 $16)) 19... Kd7 $1 20. Qxh1 Rf8 $1 21. Qh5 Bf6 (21... Bb4 $14) 22. Be5 (22. Ne4 $1 $18 {[%mdl 512]} Be7 23. Kb1) 22... b5 $2 (22... Bxe5 $16 23. dxe5 d4) 23. Bxf6 $18 gxf6 24. Nxd5 Qxa2 $2 (24... exd5 {is a better chance.} 25. Qxd5+ Kc7) 25. Nxf6+ $18 Ke7 {Pietruszewski,M (1693)-Galaszewski,P (1800) Suwalki 2006 1-0}) ({RR} 11. Bf4 O-O 12. h4 Nd5 13. Nxd5 cxd5 14. Bd3 Nd7 15. Bg5 Rfe8 16. Qh5 Nf8 17. Rh3 Qa5 18. Kb1 Qb6 19. Bxe7 Rxe7 20. f4 Qd6 21. Qe5 Qxe5 22. fxe5 Nd7 23. Re3 Rc8 24. g4 Nb8 25. g5 g6 {Szelag,M-Capuano Neto,F St Lorenzo 1995 1-0 (64)}) ({RR} 11. g4 Qc7 12. g5 Nd5 13. h4 a6 14. Bxd5 cxd5 15. h5 Nc6 16. Bf4 Qa5 17. g6 hxg6 18. hxg6 Rxh1 19. gxf7+ Kd7 20. Qxh1 Rf8 21. Qh5 Bf6 22. Be5 b5 23. Bxf6 gxf6 24. Nxd5 Qxa2 25. Nxf6+ Ke7 {Pietruszewski,M (1693)-Galaszewski,P (1800) Suwalki 2006 1-0}) 11... O-O 12. g4 {[%CAl Bg2g4,Bg4g5][%mdl 32]} Qxd4 {White is better.} 13. Bb3 $6 {Inaccuracy. g5 was best. [#]} (13. g5) 13... Qb6 $6 $146 {Inaccuracy. Qd8 was best.} (13... Qd8 14. g5 Nd5 15. h4 a5 16. a3 b5 17. Ne4 a4 18. Ba2 b4 19. Bxb4) (13... Bc5 14. g5 Nfd7 15. Ne4 Be7 16. Bc3 Qb6 17. Nf6+ Bxf6 18. gxf6 Qc5 19. Qg4 g6 20. Rxe6 {1-0 (20) Pappelis,D (2043)-Kanellos,D (1395) Athens 2009}) 14. g5 $18 Nfd7 15. h4 (15. Bf4 Nc5) 15... Nc5 16. h5 Nxb3+ (16... Nba6) 17. axb3 $16 Qa5 18. Na4 $2 {Mistake. h6 was best.} (18. Kb1 $18) (18. h6 Rd8 19. Kb1 Na6 20. hxg7 Rd7 21. g6 fxg6 22. Rxe6 Qf5 23. Qe2 Qf7) 18... Bxg5 19. Rg1 Bxd2+ 20. Rxd2 {Intending Qf6 and mate.} Qe5 $2 {Mistake. g6 was best. [#] Against Qf6} (20... g6 21. Qh3) 21. Qg3 $4 {[%mdl 8192] Blunder. Nc5 was best.} (21. Nc5) 21... Qf6 $4 {[%mdl 8192] Blunder. Qxg3 was best.} (21... Qxg3 22. Rxg3 Na6) 22. f4 $4 {Blunder. Qc7 was best.} (22. Nc5 $18) (22. Qc7 Qh6) 22... Na6 23. Rdg2 $6 {Inaccuracy. Nc3 was best.} (23. Nc3 Nc7 24. Ne4 (24. h6 g6 25. Rd7 Nd5 26. Nxd5 cxd5 27. Rxb7 Rfb8 28. Rd7 Kf8)) 23... g6 $17 24. Qe3 $6 {Inaccuracy. Nc3 was best.} (24. Qh2 $17) (24. Nc3 Rad8) 24... Rad8 $19 25. Nc3 Qd4 $6 {Inaccuracy. Nb4 was best.} (25... Nb4 26. Kb1 (26. Rf2 Nd5 27. Qg3 Nxc3 28. bxc3 a5 29. Rh1 Rd7 30. Kb2 b5 31. Re2) 26... a5) 26. Qg3 $6 {Inaccuracy. Qe1 was best.} (26. Qe1 Nb4 27. Kb1 Nd5 28. hxg6 fxg6 29. Rxg6+ hxg6 30. Rxg6+ Kh7 31. Qh4+ Kxg6) 26... Nc5 $6 {Inaccuracy. Nb4 was best.} (26... Nb4 27. Kb1 Nd5 28. Qh2 Rd7 29. Nxd5 Qxd5 30. Rg5 Qe4 31. Ka2 Rd5 32. Re5) 27. Qh4 {[#]} (27. Qg5 $17 {might work better.}) 27... Ne4 $4 {[%mdl 8192] Blunder. Rd7 was best.} (27... Rd7 28. Kb1 (28. Re1) 28... Ne4) 28. hxg6 $18 {[%csl Gg6][%CAl Rh4h7]} Qf6 $4 {Checkmate is now unavoidable. Qe3+ was best. Weighted Error Value: White=0.84/Black=1.17 PRECISÃO LICHESS: BRANCAS 79% PRETAS 68%} (28... Qe3+ 29. Kb1 Nxc3+ (29... Qxg1+ 30. Rxg1 Nd2+ 31. Ka1 fxg6 32. Qe7 Rfe8 33. Qxb7 Rf8 34. Qxc6) 30. bxc3 fxg6) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.9"] [White "Miguel, Mendes Da Costa"] [Black "Fillipe, Fernandes Rodrigues"] [Result "1-0"] [ECO "C01"] [Annotator "Stockfish 16.1"] [PlyCount "56"] [EventDate "2024.??.??"] {[%evp 12,56,32,10,17,12,28,16,51,39,37,35,32,18,37,20,21,2,20,10,12,13,12,14,26,25,43,52,60,71,80,40,53,37,95,41,54,40,53,31,34,34,37,0,316,321,477]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Be7 6. O-O O-O 7. Bf4 Bg4 {C01: French: Exchange Variation.} 8. Nbd2 Nbd7 9. c3 c6 {The position is equal.} (9... Bh5 10. Re1 {[%CAl Bf4c7] Threatens to win with Bxc7!} c6 {½-½ (10) Petrov,M (2463)-Rychagov,A (2537) Plomari 2019}) (9... Nh5 10. Bg3 (10. Be3 $14) 10... Nxg3 11. fxg3 Nf6 12. Qc2 Bh5 13. Ne5 Bg6 14. Nxg6 (14. Bxg6 hxg6 15. Ndf3) 14... hxg6 $15 15. Nf3 c5 16. Rae1 {[%CAl Bd3g6]} c4 (16... Bd6 $17) 17. Be2 b5 18. Ne5 {[%CAl Be2c4] Black must now prevent Bxc4!} Bd6 19. Bf3 a5 20. g4 Bc7 21. g5 Nh7 $2 (21... Ne4 $14) 22. h4 $18 Qd6 23. Bg4 Rae8 24. Rf3 {Farias,R (1721)-Da Silva,L Florianopolis BRA 2024 ½-½ (54)} (24. g3 $16)) ({RR} 9... Bh5 10. Re1 c6 {½-½ (10) Petrov,M (2463)-Rychagov,A (2537) Plomari 2019}) ({RR} 9... Nh5 10. Bg3 Nxg3 11. fxg3 Nf6 12. Qc2 Bh5 13. Ne5 Bg6 14. Nxg6 hxg6 15. Nf3 c5 16. Rae1 c4 17. Be2 b5 18. Ne5 Bd6 19. Bf3 a5 20. g4 Bc7 21. g5 Nh7 22. h4 Qd6 23. Bg4 Rae8 24. Rf3 {Farias,R (1721)-Da Silva,L Florianopolis BRA 2024 ½-½ (54)}) 10. Qc2 Re8 11. Rfe1 Nf8 12. Re3 $146 (12. Ne5 Bh5 (12... Bd6 13. h3 Be6 14. Ndf3 (14. Bg5 $14) 14... Ng6 (14... Ne4 {keeps the balance.}) 15. Bg5 $16 Be7 $2 (15... Nf8 $16) 16. Nxg6 $18 fxg6 $2 (16... hxg6 17. Bxg6 Bxh3) 17. Rxe6 $18 Qd7 18. Re2 Bd6 19. Rae1 Rxe2 20. Rxe2 Qc7 21. Bxf6 gxf6 22. Bxg6 hxg6 23. Qxg6+ Kf8 24. Qxf6+ Kg8 25. Qg6+ Kf8 26. Re6 {1-0 (26) Hubert,W (1722)-Buhren,A (1170) Duisburg Rheinhausen 2010}) 13. Bg5 (13. Ndf3 Bxf3 14. Nxf3 Ng6 15. Bg5 Nh5 16. Bxe7 Rxe7 17. g3 Rxe1+ 18. Rxe1 Qf6 $2 (18... Rc8 $14) 19. Ne5 (19. Qe2 $18) 19... Re8 (19... Qd6 $14) 20. Qd1 (20. Qa4 $18) 20... Nxe5 $16 21. dxe5 Rxe5 22. f4 $2 {[%mdl 8192]} (22. Rxe5 $16 {and life is bright.} Qxe5 23. Qg4) 22... Rxe1+ $19 23. Qxe1 {[%CAl Re1e8]} Qe6 {Against Qe8+} 24. Qxe6 fxe6 25. Kf2 Nf6 {[%CAl Be6e5]} 26. Kf3 Kf7 {Tocklin,T (1928)-Hosia,A (1840) Turku 2011 0-1 (37)}) 13... Qc7 14. Ndf3 Bxf3 15. Nxf3 Ng6 16. Re2 Nf4 17. Bxf4 Qxf4 18. Rae1 Qc7 19. h3 (19. c4 $16) 19... h6 20. Ne5 {[%CAl Be5f7] Strongly threatening Nxf7!} Bd6 {[#]} (20... Bf8 $14) 21. Nf3 $2 (21. Ng4 $1 $18 {[%CAl Rg4f6] Nxf6+ is the strong threat.} Ne4 22. Bxe4 dxe4 23. Rxe4) 21... Kf8 22. Rxe8+ Rxe8 23. Rxe8+ Nxe8 24. Qe2 Nf6 25. Nd2 Qd7 26. Nb3 Bc7 {Shavernev,A (1350)-Shebchenko,V (1883) Zhukovsky 2014 0-1 (58)}) ({RR} 12. Ne5 Bh5 13. Bg5 Qc7 14. Ndf3 Bxf3 15. Nxf3 Ng6 16. Re2 Nf4 17. Bxf4 Qxf4 18. Rae1 Qc7 19. h3 h6 20. Ne5 Bd6 21. Nf3 Kf8 22. Rxe8+ Rxe8 23. Rxe8+ Nxe8 24. Qe2 Nf6 25. Nd2 Qd7 26. Nb3 Bc7 {Shavernev,A (1350)-Shebchenko,V (1883) Zhukovsky 2014 0-1 (58)}) ({RR} 12. Ne5 Bh5 13. Ndf3 Bxf3 14. Nxf3 Ng6 15. Bg5 Nh5 16. Bxe7 Rxe7 17. g3 Rxe1+ 18. Rxe1 Qf6 19. Ne5 Re8 20. Qd1 Nxe5 21. dxe5 Rxe5 22. f4 Rxe1+ 23. Qxe1 Qe6 24. Qxe6 fxe6 25. Kf2 Nf6 26. Kf3 Kf7 {Tocklin,T (1928)-Hosia,A (1840) Turku 2011 0-1 (37)}) ({RR} 12. Ne5 Bd6 13. h3 Be6 14. Ndf3 Ng6 15. Bg5 Be7 16. Nxg6 fxg6 17. Rxe6 Qd7 18. Re2 Bd6 19. Rae1 Rxe2 20. Rxe2 Qc7 21. Bxf6 gxf6 22. Bxg6 hxg6 23. Qxg6+ Kf8 24. Qxf6+ Kg8 25. Qg6+ Kf8 26. Re6 {1-0 (26) Hubert,W (1722)-Buhren,A (1170) Duisburg Rheinhausen 2010}) 12... Bd6 $146 (12... Ne6 13. Be5 Nf8 14. Ng5 g6 15. h3 Be6 16. Rae1 N6d7 17. Nxe6 Nxe6 18. Nf3 Bf8 {½-½ (40) Seidl,P (1903)-Trojan,L (1998) Czech Republic 2017}) 13. Rxe8 Nxe8 14. Bxd6 Qxd6 15. h3 Bh5 16. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Bg6 17. a5 Nc7 18. Ne5 c5 19. Nxg6 Nxg6 20. dxc5 Qxc5 21. b4 Qc6 22. Nf3 Ne6 (22... Rc8 $14) 23. Rc1 (23. a6 $16) 23... Rc8 $14 24. g3 {Inhibits Ngf4.} Qd6 25. Qd2 Ne5 26. Nxe5 Qxe5 27. Qe3 Qf6 $4 {[%mdl 8192] Blunder. Qxe3 was best. [#]} (27... Qxe3 28. fxe3 Kf8) 28. Qxa7 $18 Rxc3 $6 {Inaccuracy. h5 was best. Weighted Error Value: White=0.10 (very precise) /Black=0.37 PRECISÃO LICHESS: BRANCAS 98% PRETAS 82%} (28... h5 29. Qxb7 Rd8 30. Bf1 h4 31. Bg2 Rd6 32. b5 Kh7 33. Rf1 Ng5 34. Qc8) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.10"] [White "Israel Sanches Marcellino"] [Black "Almir Souza De Almeida"] [Result "1/2-1/2"] [ECO "E90"] [WhiteElo "1594"] [BlackElo "1868"] [Annotator "Stockfish 16.1"] [PlyCount "47"] [EventDate "2024.??.??"] {[%evp 11,47,39,43,16,32,11,29,-53,-53,-49,7,1,15,12,35,35,108,-196,-126,-134,-117,-123,-123,-134,46,-82,-82,-80,-85,-168,-136,-150,-128,-154,-157,-149,41,-169]} 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bd3 e5 7. O-O {E90: King's Indian: Classical: Early deviations and 6 h3.} (7. d5 Nh5 8. g3 {Against Nf4} Na6 9. Be2 Qe8 (9... f5) 10. Be3 f5 $1 11. exf5 Bxf5 12. Ng5 Nb4 $2 (12... Nf6 $14) 13. Nge4 (13. g4 $1 $18 {[%CAl Rg4f5] and the rest is easy.}) 13... Nf6 14. f3 a5 15. Nxf6+ (15. h4 $16) 15... Bxf6 16. Ne4 $1 Be7 17. O-O b6 18. g4 (18. c5 $16) 18... Bxe4 19. fxe4 {With the idea Rxf8+.} Rxf1+ 20. Kxf1 h6 21. Qd2 Bg5 22. Bxg5 hxg5 23. a3 Na6 24. Qxg5 Nc5 25. Kg2 {Black should prevent Rf1.} Nxe4 26. Qe3 Nc5 27. Rf1 {Black must now prevent Qh6.} Qe7 28. b4 axb4 29. axb4 Nd7 30. Qe4 Nf8 31. Kg3 Ra3+ 32. Rf3 Rxf3+ 33. Qxf3 e4 34. Qf4 Nh7 35. h4 g5 36. hxg5 Nxg5 {Carlsen,M (2864)-Aronian,L (2775) Miami 2022 ½-½ (68)}) 7... Nc6 8. dxe5 (8. d5 $5 {[%CAl Rd5c6]} Ne7 (8... Nd4 9. h3 c5 10. dxc6 bxc6 11. Be3 (11. b4) 11... c5 12. Re1 Ne8 13. Nd5 Nc7 14. Rb1 Nxd5 15. cxd5 a5 16. b3 f5 17. exf5 (17. Nd2) 17... gxf5 $17 18. Nd2 (18. Bf1 $17 {was called for.}) 18... Qh4 $19 19. f4 e4 20. Bc4 Rf6 21. Nf1 (21. Kh1) 21... Rg6 (21... Nf3+ $1 {[%mdl 512]} 22. Kh1 Nxe1 23. Qxe1 Qxe1 24. Rxe1 a4 25. bxa4 Rxa4) 22. Kh1 $19 Bf6 {Pham Le Thao Nguyen (2369)-Rohith,K (2380) chess.com INT 2023 0-1}) 9. h3 Ne8 {½-½ (9) Izsak,G (2365)-Fancsy,I (2400) Budapest 1994}) ({RR} 8. d5 Ne7 9. h3 Ne8 {½-½ (9) Izsak,G (2365)-Fancsy,I (2400) Budapest 1994}) ({RR} 8. d5 Nd4 9. h3 c5 10. dxc6 bxc6 11. Be3 c5 12. Re1 Ne8 13. Nd5 Nc7 14. Rb1 Nxd5 15. cxd5 a5 16. b3 f5 17. exf5 gxf5 18. Nd2 Qh4 19. f4 e4 20. Bc4 Rf6 21. Nf1 Rg6 22. Kh1 Bf6 {Pham Le Thao Nguyen (2369)-Rohith,K (2380) chess.com INT 2023 0-1}) 8... dxe5 9. Nd5 $6 {Inaccuracy. h3 was best.} (9. h3) 9... Bg4 $15 10. Bg5 {[#]} h6 $146 {Inaccuracy. Nd4 was best.} (10... Nd4 11. Be2 Bxf3 12. Bxf3 c6 13. Nxf6+ (13. Ne3 Qb6 14. b3 Ne6 (14... Rfe8 15. Nc2 $15 (15. Re1 a5 16. Rb1 Ne6 (16... Qc5 {1-0 (31) Von Saldern,R (1962)-Dennis,N (1845) Guernsey 2013} 17. Qc1 Rad8 18. a3 Nxf3+ 19. gxf3 h6 $17 (19... Rd3 20. b4 axb4 21. axb4 Qd4 22. Rd1 $15 (22. b5 Nh5 $17 (22... c5 23. Rd1 Rxd1+ {and Black is okay.} (23... Rd8 24. Qc2 $1 Rd6 25. Qa4 {Von Saldern,R (1962)-Dennis,N (1845) Guernsey 2013 1-0 (31)} Re6 (25... h6 {keeps fighting.} 26. Rxd3 Qxd3) 26. Qa8+ Re8 27. Qxb7 Rxd1+ $2 (27... Nh5 {was necessary.} 28. b6 h6) 28. Rxd1 $18 Qb2 29. Qc6 Re6 30. Rd8+ Bf8 31. Qc8 {1-0 (31) Von Saldern,R (1962)-Dennis,N (1845) Guernsey 2013}) 24. Qxd1 Ra8))) 20. Bh4 Rd3) 17. Bh4 Rad8)) 15. Bh4 Rad8) 13... Bxf6 14. Be3 c5 15. g3 h5 16. Rb1) ({RR} 10... Nd4 11. Be2 Bxf3 12. Bxf3 c6 13. Ne3 Qb6 14. b3 Rfe8 15. Re1 a5 16. Rb1 Qc5 17. Qc1 Rad8 18. a3 Nxf3+ 19. gxf3 Rd3 20. b4 axb4 21. axb4 Qd4 22. b5 c5 23. Rd1 Rd8 24. Qc2 Rd6 25. Qa4 {Von Saldern,R (1962)-Dennis,N (1845) Guernsey 2013 1-0 (31)}) 11. Nxf6+ Bxf6 12. Bxh6 Re8 13. Be3 Bxf3 $6 {Inaccuracy. Nb4 was best.} (13... Nb4 14. Be2 Qxd1 15. Raxd1 (15. Rfxd1 Nc2 $14) 15... Nxa2 16. h3 Bxf3 17. Bxf3 Nb4 18. Rd7 Re7 19. Rd2) 14. gxf3 $4 {[%mdl 8192] Blunder. Qxf3 was best.} (14. Qxf3 Qxd3 (14... Kg7 15. c5 Rh8 16. Rad1 Qe7 17. Qe2 Rad8 18. Bc4 Rxd1 19. Qxd1 Nd4) 15. Qxf6) 14... Qd7 $6 {Inaccuracy. Bg5 was best.} (14... Bg5 15. Be2 (15. c5 Bf4 16. Bxf4 exf4 17. Bb5 Qg5+ 18. Kh1 Red8 19. Qc1 Nd4 20. Rg1) 15... Qf6) 15. Kg2 Rad8 {[%mdl 1024] Black has strong compensation.} 16. Be2 Qe6 17. Qb3 {[#]} b6 $4 {Blunder. Nd4 was best.} (17... Nd4 18. Bxd4 exd4 19. Rh1 Kg7 20. h4 Rh8 21. h5 Qe5 22. f4 Qxf4 23. Qf3) 18. Rad1 $2 {Mistake. c5 was best.} (18. c5 Nd4) 18... Nd4 $17 19. Bxd4 exd4 20. Bd3 $6 {Inaccuracy. c5 was best.} (20. c5 Qe5) 20... c5 21. Rh1 Kg7 22. h3 Rh8 23. f4 Rh5 $2 {Mistake. Rh4 was best.} (23... Rh4 24. e5 Be7 25. Bb1 Rxf4 26. Qg3 Qc6+ 27. f3 Rh4 28. b3 Rdh8 29. Be4) 24. f5 $2 {Mistake. Be2 was best. Terminando no lance. Weighted Error Value: White=0.64/Black=0.51 PRECISÃO LICHESS: BRANCAS 80% PRETAS 84%} (24. Be2 Rh4 25. e5 Be7 26. Qg3 Qf5 27. Bg4 Qe4+ 28. Qf3 Qxf3+ 29. Kxf3 f5) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.11"] [White "Marcello Henrique Amaral Da C"] [Black "Sergio Goncalves"] [Result "0-1"] [ECO "A10"] [WhiteElo "1579"] [BlackElo "1844"] [Annotator "Stockfish 16.1"] [PlyCount "51"] [EventDate "2024.??.??"] {[%evp 9,51,69,71,71,73,68,75,77,89,48,54,47,70,5,1,-92,-39,-143,-147,-142,-134,-138,-133,-140,-107,-146,-120,-186,-143,-349,-358,-571,-569,-567,-569,-601,-600,-607,-605,-624,-619,-648,-597,-666]} 1. c4 g6 2. Nf3 Bg7 3. g3 d6 4. d4 Bg4 5. Bg2 c6 (5... Qc8 6. h3 Bf5 7. Nc3 Nf6 {Inhibits e4.} 8. g4 Bd7 9. e4 h5 $16 (9... c5 10. e5 Ng8 (10... dxe5 11. dxe5 Ng8) 11. exd6 $18 cxd4 12. Nd5 Na6 13. Nxd4 {And now Nb5 would win.} e6 (13... Qxc4 14. Be3 Nc5 15. b3 Qd3 16. Qxd3 Nxd3+ 17. Kd2 Rc8 18. Kxd3 e5 19. Rhe1 exd4 20. Bxd4+ {Rakhmanov,A (2630)-Andreikin,D (2729) chess.com INT 2022 0-1 (39)} Kf8 21. Rac1 Rd8 22. Rc7 Bb5+ 23. Kc3 Bxd4+ 24. Kxd4 Rxd6 25. Kc5 Ra6 26. Kxb5 Rxa2 27. Rc8+ Kg7 28. Ree8 Rxf2 29. Be4 Re2 30. Bd3 Rg2 31. Bc4 Rg3 32. Rc7 Nh6 33. Rxh8 Kxh8 34. Rxb7 Rxh3 35. g5 {Rakhmanov,A (2630)-Andreikin,D (2729) Chess.com INT 2022 0-1}))) (5... Bxf3 6. Bxf3 Nc6 7. e3 e5 8. O-O exd4 9. exd4 Nxd4 10. Re1+ Ne7 $1 11. Bxb7 {[%CAl Bc1h6]} Rb8 12. Bg2 O-O 13. Nc3 {Hoping for Bg5.} c5 (13... Qd7 {keeps the balance.}) 14. Rb1 (14. Bg5 $16 f6 15. Be3) 14... h6 15. b3 Re8 16. Bb2 Qa5 17. Qd2 h5 18. Rbd1 Nef5 19. Rxe8+ Rxe8 20. Ne4 {Gavrilov,M (2186)-Martinez Ramirez,L (2448) chess.com INT 2024 0-1 (32)} (20. Kf1 $14 {keeps the upper hand.})) ({RR} 5... Qc8 6. h3 Bf5 7. Nc3 Nf6 8. g4 Bd7 9. e4 c5 10. e5 Ng8 11. exd6 cxd4 12. Nd5 Na6 13. Nxd4 Qxc4 14. Be3 Nc5 15. b3 Qd3 16. Qxd3 Nxd3+ 17. Kd2 Rc8 18. Kxd3 e5 19. Rhe1 exd4 20. Bxd4+ {Rakhmanov,A (2630)-Andreikin,D (2729) chess.com INT 2022 0-1 (39)}) ({RR} 5... Bxf3 6. Bxf3 Nc6 7. e3 e5 8. O-O exd4 9. exd4 Nxd4 10. Re1+ Ne7 11. Bxb7 Rb8 12. Bg2 O-O 13. Nc3 c5 14. Rb1 h6 15. b3 Re8 16. Bb2 Qa5 17. Qd2 h5 18. Rbd1 Nef5 19. Rxe8+ Rxe8 20. Ne4 {Gavrilov,M (2186)-Martinez Ramirez,L (2448) chess.com INT 2024 0-1 (32)}) 6. O-O {A41: 1 d4 d6: Tartakower System and Modern Defence.} Qd7 $146 (6... Qc8 7. Nc3 Nf6 8. Bf4 O-O 9. Re1 Re8 10. Rc1 Nbd7 11. d5 Nb6 12. dxc6 (12. b3 $16) 12... bxc6 13. b3 Qa6 14. Bg5 Rac8 15. e4 {Inhibits d5.} h6 16. Be3 Rcd8 17. h3 Bc8 18. Nd4 Bb7 19. Qd2 Kh7 20. Qc2 (20. a4 $16) 20... e5 21. Nf3 {Fominyh,A (2515)-Tosic,M (2445) Alushta 1994 1-0 (54)}) (6... Bxf3 7. Bxf3 Nd7 8. e4 e5 9. Be3 (9. d5 $16) 9... Qe7 (9... exd4 10. Bxd4 Bxd4 11. Qxd4 Qf6) 10. d5 c5 $1 11. b4 b6 (11... Bh6 $14) 12. bxc5 $16 bxc5 13. Nc3 Ngf6 14. Rb1 O-O 15. Rb7 a6 {Prevents Nb5.} (15... Rfb8 $16 16. Rb3 Rb4) 16. Qa4 $18 Rfd8 17. Bg5 Qe8 18. Qc6 Bf8 19. Rfb1 h6 20. Rxd7 (20. Bd2 $18) 20... hxg5 21. Rxd8 {Kuznetsov,S (2082)-Khomutov,V (1733) Gorodets 2010 ½-½ (44)}) (6... Qb6 7. e3 Nf6 8. Nc3 O-O 9. h3 Be6 10. b3 Na6 (10... d5) 11. Bb2 Rad8 12. Qe2 Qc7 13. Rac1 Bc8 14. Rfd1 Rfe8 15. a3 Nb8 16. b4 Nbd7 17. Kh2 Nf8 18. b5 e5 19. Qc2 (19. bxc6 $16 {Black must now prevent Nb5.} bxc6 20. c5) 19... N8d7 20. a4 c5 21. Nd5 {Vrhovnik,D (2082)-Valiunas,R Opatija 2011 0-1 (37)}) ({RR} 6... Qc8 7. Nc3 Nf6 8. Bf4 O-O 9. Re1 Re8 10. Rc1 Nbd7 11. d5 Nb6 12. dxc6 bxc6 13. b3 Qa6 14. Bg5 Rac8 15. e4 h6 16. Be3 Rcd8 17. h3 Bc8 18. Nd4 Bb7 19. Qd2 Kh7 20. Qc2 e5 21. Nf3 {Fominyh,A (2515)-Tosic,M (2445) Alushta 1994 1-0 (54)}) ({RR} 6... Bxf3 7. Bxf3 Nd7 8. e4 e5 9. Be3 Qe7 10. d5 c5 11. b4 b6 12. bxc5 bxc5 13. Nc3 Ngf6 14. Rb1 O-O 15. Rb7 a6 16. Qa4 Rfd8 17. Bg5 Qe8 18. Qc6 Bf8 19. Rfb1 h6 20. Rxd7 hxg5 21. Rxd8 {Kuznetsov,S (2082)-Khomutov,V (1733) Gorodets 2010 ½-½ (44)}) ({RR} 6... Qb6 7. e3 Nf6 8. Nc3 O-O 9. h3 Be6 10. b3 Na6 11. Bb2 Rad8 12. Qe2 Qc7 13. Rac1 Bc8 14. Rfd1 Rfe8 15. a3 Nb8 16. b4 Nbd7 17. Kh2 Nf8 18. b5 e5 19. Qc2 N8d7 20. a4 c5 21. Nd5 {Vrhovnik,D (2082)-Valiunas,R Opatija 2011 0-1 (37)}) 7. Nc3 Nf6 8. e4 {[%CAl Be2e4,Be4e5][%mdl 32] White is better.} O-O {[#]} 9. e5 $146 (9. Re1 e5 $14 (9... Bxf3 10. Qxf3 e5 11. d5 cxd5 12. cxd5 Na6 13. Bf1 Kh8 $16 (13... Nc5 14. b4 Na6 15. a3 Ne8 16. Be3 {1-0 (32) Nechaeva,M (2384)-Martinez,S (1881) Chess.com INT 2021} f5 17. Nb5 (17. Bh3 $16) 17... Nac7 18. Nxc7 Nxc7 19. Rac1 f4 20. gxf4 exf4 {[#]} 21. Bd2 $1 Be5 22. Bh3 Qg7 23. Bc3 (23. a4 $16) 23... Ne8 (23... Nb5 24. Be6+ Kh8 25. Bxe5 dxe5) 24. Bxe5 Qxe5 25. Qc3 Qg5+ 26. Kh1 {Threatens to win with Be6+.} f3 $2 {[%mdl 8192]} (26... Ng7 $14) 27. e5 $2 (27. Be6+ $18 {is the precise move to win.} Rf7 28. Qxf3) 27... Ng7 $2 (27... dxe5 $16 {keeps fighting.} 28. Rxe5 Qf6) 28. exd6 $18 Qh4 $2 (28... Rad8 {might work better.} 29. Re7 Nf5 30. Rxb7 Rxd6) 29. Re7 $18 {[%csl Ge7][%CAl Rc3g7]} Nh5 (29... Qf6 $18 30. Be6+ Nxe6 31. Qxf6 Rxf6 32. dxe6 Rxe6 33. Rxe6 Kf7 34. Re7+ Kf6 35. Rxh7 Rd8) 30. Be6+ Rf7 31. Bxf7+ Kf8 32. Qh8# {1-0 (32) Nechaeva,M (2384)-Martinez,S (1881) Chess.com INT 2021}) 14. Bg5 Qd8)) 9... Ne8 10. Bf4 Na6 11. a3 $6 {Inaccuracy. Re1 was best.} (11. Re1) 11... Nac7 12. Qd2 $6 {Inaccuracy. Qa4 was best.} (12. Qa4 Qc8) 12... Rd8 (12... Bxf3 $17 13. Bxf3 dxe5 14. dxe5 Qxd2 15. Bxd2 Bxe5) 13. Bh6 $6 {Inaccuracy. Rfe1 was best.} (13. Qe3 $15) (13. Rfe1 Ne6 14. Qe3 Nxf4 15. Qxf4 Nc7 16. d5 cxd5 17. cxd5 Qf5 18. Qxf5 Bxf5) 13... Bxf3 $17 (13... dxe5 14. Bxg7 Nxg7 15. Nxe5 $14) 14. Bxf3 dxe5 15. Bxg7 Kxg7 (15... Nxg7 16. d5 $17) 16. d5 f5 {aiming for ...cxd5.} 17. Rad1 e4 18. Bg2 $6 {Inaccuracy. Qe3 was best.} (18. Be2 $17 {was necessary.}) (18. Qe3 Nf6 19. Be2 cxd5 20. cxd5 a5 21. f3 exf3 22. Bxf3 Qd6 23. Rfe1 Rd7) 18... e5 19. dxe6 $4 {Blunder. Qe3 was best. [#]} (19. Qe3 Nf6 20. d6) 19... Qxd2 $19 20. Rxd2 $2 {Mistake. e7 was best.} (20. e7 Nf6 21. Rxd2 (21. exd8=Q Rxd8 22. Rxd2 Rxd2 23. f3 exf3 24. Bxf3 Ne6 25. Rf2 Ng5) 21... Rxd2 22. exf8=R Kxf8 23. f3 exf3 24. Bxf3) 20... Rxd2 {Black is clearly winning.} 21. e7 Rf7 22. g4 Rxe7 23. gxf5 gxf5 24. Bh3 Kf6 25. Kh1 Rg7 26. c5 {Weighted Error Value: White=0.58/Black=0.11 (very precise) PRECISÃO LICHESS: BRANCAS 82% PRETAS 95%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.12"] [White "Guilherme, De Moura Silva"] [Black "Adnilton Correia De A.Nogueir, .."] [Result "1-0"] [ECO "C41"] [WhiteElo "1831"] [BlackElo "1625"] [Annotator "Stockfish 16.1"] [PlyCount "57"] [EventDate "2024.??.??"] {[%evp 14,57,35,31,43,46,68,68,230,230,233,223,267,267,288,280,310,224,230,229,243,257,379,383,381,376,373,294,296,296,465,447,483,481,541,537,528,539,532,537,534,514,592,572,644,635]} 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. h3 Nf6 5. Nc3 O-O 6. d3 Nc6 7. a3 {[%CAl Ba2a3,Ba3b4][%mdl 32]} a6 8. O-O b5 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} (8... h6 9. Be3 (9. Re1 Be6 10. Nd5 Re8 11. c3 Bf8 12. a4 Bxd5 13. exd5 Ne7 14. d4 e4 15. Nd2 c6 16. dxc6 bxc6 17. f3 d5 {aiming for ...e3.} 18. Ba2 exf3 $1 19. Qxf3 Ng6 20. Rxe8 Qxe8 21. Nf1 {[%CAl Bc1h6]} Ne4 (21... Qe1 $17) 22. c4 (22. Ng3 $15) 22... c5 (22... Rd8 $1 $17) 23. Be3 {Degraeve,J (2542)-Fressinet,L (2593) France 2003 0-1 (42)} (23. cxd5 $15 cxd4 24. Bb1)) 9... Be6 10. Nd5 Nb8 11. Nxf6+ Bxf6 12. Bxe6 fxe6 13. c3 d5 14. Qb3 b6 15. exd5 exd5 16. c4 d4 $1 {[%CAl Rd4e3]} 17. Bd2 Nd7 18. c5+ $1 Kh8 19. cxb6 cxb6 20. Bb4 Be7 21. Qd5 Rc8 22. Rfe1 Re8 23. Rac1 Rxc1 24. Rxc1 Bxb4 25. axb4 Nf6 26. Qxd8 Rxd8 27. Nxe5 {Threatens to win with Nf7+.} Re8 28. Nf3 {And now Kf1 would win.} Nd5 29. Rc4 (29. b5 $5) 29... Nf4 30. Rc6 Nxd3 31. Rxb6 Rd8 32. b5 (32. b3 $16) 32... a5 33. Ra6 Nxb2 34. b6 Rb8 35. Rxa5 d3 36. Rb5 Nc4 37. Rd5 d2 38. Nxd2 {Korobov,A (2651)-Van Foreest,L (2505) Chartres 2024 ½-½}) (8... Be6 9. Bg5 (9. Nd5) 9... h6 (9... Nxe4 $5 10. Bxe7 (10. Nxe4 d5) 10... Qxe7) 10. Bxf6 Bxf6 11. Nd5 Be7 12. Ba2 Nb8 13. d4 Nd7 (13... c6 {keeps the balance.}) 14. Nxe7+ $16 Qxe7 15. d5 Bxh3 16. gxh3 f5 17. exf5 (17. Nh2 $16) 17... Rxf5 $14 18. Nh2 (18. Bc4 $14) 18... Raf8 19. Qe2 (19. Qd3) 19... Qh4 $15 20. Qe3 $2 (20. Kh1 $17 {is a better defense.}) 20... e4 $1 $19 21. Rae1 Rf4 $4 {[%mdl 8192]} (21... Rg5+ $1 $19 22. Kh1 Ne5 23. Qxe4 Rf4) 22. Qg3 $18 Qf6 (22... Qh5 23. Re3 Ne5) 23. c3 $1 {Juhasz,A (2290)-Bochnicka,V (2331) chess.com INT 2023 1-0 (38)}) ({RR} 8... h6 9. Re1 Be6 10. Nd5 Re8 11. c3 Bf8 12. a4 Bxd5 13. exd5 Ne7 14. d4 e4 15. Nd2 c6 16. dxc6 bxc6 17. f3 d5 18. Ba2 exf3 19. Qxf3 Ng6 20. Rxe8 Qxe8 21. Nf1 Ne4 22. c4 c5 23. Be3 {Degraeve,J (2542)-Fressinet,L (2593) France 2003 0-1 (42)}) ({RR} 8... Be6 9. Bg5 h6 10. Bxf6 Bxf6 11. Nd5 Be7 12. Ba2 Nb8 13. d4 Nd7 14. Nxe7+ Qxe7 15. d5 Bxh3 16. gxh3 f5 17. exf5 Rxf5 18. Nh2 Raf8 19. Qe2 Qh4 20. Qe3 e4 21. Rae1 Rf4 22. Qg3 Qf6 23. c3 {Juhasz,A (2290)-Bochnicka,V (2331) chess.com INT 2023 1-0 (38)}) 9. Ba2 b4 $146 (9... Bb7 10. Ne2 d5 11. exd5 Nxd5 12. Ng3 Nf4 13. d4 Ng6 {[%CAl Rc6d4]} 14. dxe5 Qxd1 15. Rxd1 {Strongly threatening e6.} Ncxe5 16. Nxe5 Nxe5 17. Be3 Rfd8 18. Nf5 Bf6 19. Bd4 Nd7 20. c3 Be4 21. Ng3 Bc6 22. Rac1 Bg5 23. Ra1 g6 24. Re1 {Oratovsky,M (2560)-Fernandez Muixi,F (2109) Tarragona 2003 1-0 (50)}) (9... Nd4 10. Nxd4 exd4 11. Nd5 Be6 12. Nxf6+ Bxf6 13. Bxe6 fxe6 14. Qg4 e5 15. f4 exf4 16. Bxf4 {[%CAl Be4e5]} Qc8 17. Qxc8 Raxc8 18. Rf3 Be7 19. a4 b4 {[%CAl Bb4b3]} 20. b3 c6 21. Raf1 c5 22. Bg3 Rxf3 23. Rxf3 g6 24. Kf2 {Makarevich,G (2026)-Gavrilov,G Novosibirsk 2007 ½-½}) (9... Bxh3 $2 {[%mdl 8192] 9...?e6 0.40} 10. gxh3 h6 11. Kh2 Nh5 12. Nxe5 Nxe5 13. Qxh5 Bg5 14. Bxg5 hxg5 15. d4 Ng6 16. Qxg6 Qd7 17. Qf5 g6 18. Qf3 (18. Qxg6+ Kh8 19. Qh6+ Kg8 20. Qxg5+ Kh7 21. Qh4+ Kg8 22. Rg1+ Qg4 23. Rxg4#) 18... Kg7 $18 19. Nd5 Qe6 20. Nf6 Qc8 21. Ng4 Qd7 22. Qf6+ Kh7 23. Qxg5 {Intending Qh6+ and mate.} Rh8 24. Qh6+ {Mendoza,A-Venegas,M Lima 2002 1-0}) ({RR} 9... Bb7 10. Ne2 d5 11. exd5 Nxd5 12. Ng3 Nf4 13. d4 Ng6 14. dxe5 Qxd1 15. Rxd1 Ncxe5 16. Nxe5 Nxe5 17. Be3 Rfd8 18. Nf5 Bf6 19. Bd4 Nd7 20. c3 Be4 21. Ng3 Bc6 22. Rac1 Bg5 23. Ra1 g6 24. Re1 {Oratovsky,M (2560)-Fernandez Muixi,F (2109) Tarragona 2003 1-0 (50)}) ({RR} 9... Nd4 10. Nxd4 exd4 11. Nd5 Be6 12. Nxf6+ Bxf6 13. Bxe6 fxe6 14. Qg4 e5 15. f4 exf4 16. Bxf4 Qc8 17. Qxc8 Raxc8 18. Rf3 Be7 19. a4 b4 20. b3 c6 21. Raf1 c5 22. Bg3 Rxf3 23. Rxf3 g6 24. Kf2 {Makarevich,G (2026)-Gavrilov,G Novosibirsk 2007 ½-½}) ({RR} 9... Bxh3 10. gxh3 h6 11. Kh2 Nh5 12. Nxe5 Nxe5 13. Qxh5 Bg5 14. Bxg5 hxg5 15. d4 Ng6 16. Qxg6 Qd7 17. Qf5 g6 18. Qf3 Kg7 19. Nd5 Qe6 20. Nf6 Qc8 21. Ng4 Qd7 22. Qf6+ Kh7 23. Qxg5 Rh8 24. Qh6+ {Mendoza,A-Venegas,M Lima 2002 1-0}) 10. Nd5 {[#]} Nxd5 $2 $146 {Mistake. bxa3 was best.} (10... bxa3 11. Nxe7+ (11. bxa3 Nxd5 (11... Rb8 12. c3 Nxd5 $14 (12... Nh5 13. d4 Nf6 (13... Bh4 14. dxe5 dxe5 (14... Nxe5 15. Nxe5 dxe5 16. Qxh5 {1-0 (37) Jeggle Soler,C (1292)-Homs Jimenez,J Maresme 2017} Bb7 17. Qxe5 Re8 18. Qf5 Bc8 19. Qf3 Re5 20. Bf4 Re6 21. Bxc7 Qd7 22. Bxb8 Qd8 23. Rfd1 Rg6 24. Nf4 Rd6 25. Bxd6 Qb6 26. g3 (26. Bxf7+ $1 Kh8 27. Rab1 Qa5 28. Rb8 h6 29. Rxc8+ Qd8 30. Qg4 a5 31. Be5 Bxf2+ 32. Kxf2 Kh7 33. Qxg7#) 26... Bd8 {[#]} 27. Nd5 (27. Bxf7+ $1 Kh8 28. Ng6+ hxg6 29. Bxg6 Qxf2+ 30. Kxf2 Be7 31. Qh5+ Kg8 32. Bxe7 Be6 33. Qh7#) 27... Qc6 28. Ne7+ Bxe7 29. Bxe7 h6 30. Qxf7+ Kh7 31. Qg8+ Kg6 32. Rd6+ Be6 33. Qxe6+ Kh7 34. Rxc6 {[%csl Ga2][%CAl Re6g8]} h5 35. Qg6+ Kh8 36. Rc8# {1-0 (37) Jeggle Soler,C (1292)-Homs Jimenez,J Maresme 2017}) 15. Be3 Bf6)) 13. exd5 Na7) 12. Bxd5 Bd7) (11. b4) 11... Qxe7 12. b3 a5) 11. Bxd5 $18 Bb7 {[%CAl Bc8b7,Bb7c6,Bc6b5][%mdl 32]} 12. axb4 Rb8 13. c3 Bf6 14. Be3 h6 15. Bxc6 Bxc6 16. Rxa6 Bb5 17. Ra7 d5 $6 {Inaccuracy. Be7 was best.} (17... Bd7 {was necessary.} 18. Qd2 Be7) (17... Be7 18. Qe2 f5 19. c4 Be8 20. Bd2 fxe4 21. Qxe4 Bh5 22. Nh2 Ra8 23. Rfa1) 18. exd5 Re8 19. c4 {[%CAl Bc3c4,Bc4b5,Bb5b6][%mdl 32]} e4 20. cxb5 $6 {Inaccuracy. Nd2 was best.} (20. Nd2 Bd7 21. Nxe4 Rxb4 22. Qf3 Bxb2 23. Bf4 Bd4 24. Bxc7 Qh4 25. Bd6 Bxa7) 20... exf3 21. Qxf3 Bxb2 $6 {Inaccuracy. Rxb5 was best.} (21... Rxb5 22. Rc1 (22. Bc5 Be7 23. Rc1 Qb8 24. Rca1 Bxc5 25. bxc5 Rxc5 26. d6 Qxb2 27. Ra8) 22... Qxd5 23. Qxd5 (23. Rcxc7 Qxf3 24. gxf3 Rxb4 $16) 23... Rxd5 24. Rcxc7 Rb8) 22. b6 {White is clearly winning.} Re7 23. Bc5 Rd7 24. bxc7 Rxc7 25. Rxc7 Qxc7 26. d6 Qd7 27. d4 Qa4 28. Re1 Bc3 29. Qxc3 {Weighted Error Value: White=0.11 (very precise) /Black=0.54 PRECISÃO LICHESS: BRANCAS 98% PRETAS 90%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.13"] [White "Bruno Ramalho Calcada"] [Black "Sirlei Pereira de Azevedo"] [Result "1-0"] [ECO "B10"] [WhiteElo "1753"] [BlackElo "1619"] [Annotator "Stockfish 16.1"] [PlyCount "56"] [EventDate "2024.??.??"] {[%evp 10,56,17,16,61,18,32,26,28,34,30,20,23,22,26,21,32,19,44,42,57,28,43,0,4,0,0,0,25,-21,5,0,6,-54,-54,-43,-46,-51,-48,-91,33,30,86,88,137,116,29988,29989,29999]} 1. e4 c6 {[%CAl Bc7c6,Bc6c5][%mdl 32]} 2. Bc4 $6 {Inaccuracy. d4 was best.} (2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nf3 Bxc5 6. a3 f6) 2... e6 3. d4 d5 4. Bd3 c5 5. exd5 exd5 6. Nf3 Bg4 {C01: French: Exchange Variation.} (6... c4 7. Be2 Nf6 (7... Bd6 8. O-O Ne7 9. b3 cxb3 $1 10. axb3 Nbc6 11. c4 O-O 12. Nc3 Bf5 13. Bg5 f6 14. Be3 a6 15. Na4 Kh8 16. Qd2 Be4 17. Nc5 Bxc5 18. dxc5 dxc4 19. bxc4 Nf5 20. Bf4 Qxd2 21. Bxd2 {Uritzky,M (2412)-Huzman,A (2575) Israel 1999 ½-½ (53)}) 8. O-O Bd6 9. b3 cxb3 $1 10. axb3 O-O 11. Re1 Nc6 12. c3 Re8 13. Bg5 h6 14. Bh4 g5 15. Bg3 Ne4 16. Bxd6 Qxd6 17. Nfd2 Bf5 18. Nxe4 Bxe4 19. Nd2 Bg6 20. Nf1 a6 21. Ne3 Rad8 22. Bf3 Be4 23. Bxe4 Rxe4 24. Nf5 Rxe1+ 25. Qxe1 Qf6 26. Ne3 Qd6 27. Qe2 {[%CAl Bh2h4]} Re8 28. Qh5 (28. h4 $16) 28... Re4 $1 29. g3 {Inhibits Rh4.} Qe6 {Inhibits Nf5.} 30. Qf3 Kg7 31. h4 Ne7 32. hxg5 hxg5 33. Kg2 g4 34. Qe2 Nf5 35. Nxf5+ Qxf5 36. Qd3 {Socko,B (2556)-Tomczak,J (2584) Rzeszow 2024 ½-½}) ({RR} 6... c4 7. Be2 Bd6 8. O-O Ne7 9. b3 cxb3 10. axb3 Nbc6 11. c4 O-O 12. Nc3 Bf5 13. Bg5 f6 14. Be3 a6 15. Na4 Kh8 16. Qd2 Be4 17. Nc5 Bxc5 18. dxc5 dxc4 19. bxc4 Nf5 20. Bf4 Qxd2 21. Bxd2 {Uritzky,M (2412)-Huzman,A (2575) Israel 1999 ½-½ (53)}) 7. c3 (7. dxc5 Bxc5 8. O-O Ne7 9. Nc3 Nbc6 10. Na4 (10. h3 $16 Bxf3 11. Qxf3) 10... Bd6 11. Be3 {Inhibits Nd4.} (11. Nc3) 11... h6 (11... d4 $17 12. Bg5 Qa5 13. Bxe7 Nxe7) 12. Bc5 O-O 13. h3 Bh5 14. Be2 Re8 15. Re1 Bg6 (15... Ng6 $1 $17 {[%CAl Rg6f4]} 16. g4 Bxc5 17. Nxc5 Nf4 18. gxh5 Qe7) 16. c4 Bxc5 17. Nxc5 b6 18. Nb3 dxc4 19. Bxc4 Qc7 20. Qc1 Rac8 21. Ba6 Rcd8 {Melnikova,D (1877)-Ponomareva,V (1532) Moscow 2020 0-1 (35)}) ({RR} 7. dxc5 Bxc5 8. O-O Ne7 9. Nc3 Nbc6 10. Na4 Bd6 11. Be3 h6 12. Bc5 O-O 13. h3 Bh5 14. Be2 Re8 15. Re1 Bg6 16. c4 Bxc5 17. Nxc5 b6 18. Nb3 dxc4 19. Bxc4 Qc7 20. Qc1 Rac8 21. Ba6 Rcd8 {Melnikova,D (1877)-Ponomareva,V (1532) Moscow 2020 0-1 (35)}) 7... c4 $146 (7... Nc6 8. Bb5 (8. Be3 cxd4 9. cxd4 Qb6 (9... Bb4+ 10. Nc3 Nf6) 10. Nc3 Nf6 11. O-O Be7 12. Na4 (12. h3 $1 $16 {[%CAl Rh3g4]} Bxf3 13. Qxf3) 12... Qd8 13. Rc1 O-O 14. Be2 Rc8 15. h3 Bf5 16. Nc5 b6 17. Nd3 Ne4 18. Nf4 (18. Qa4 $5 {[%CAl Rc1c6]} Qd7 19. Qb5) 18... Bf6 (18... g5 19. Nh5 Qd6) 19. Qa4 (19. Ba6 $18) 19... Ne7 20. a3 a5 21. Nh5 Ng6 22. Nxf6+ {Riznar,H-Sorli,M Krsko 1993 1-0}) 8... Qb6 9. Bxc6+ Qxc6 10. Be3 (10. O-O $14) 10... Nf6 (10... c4 $1 $15) 11. O-O Bd6 (11... c4) 12. h3 (12. dxc5 $16 Bc7 13. h3) 12... Bxf3 13. Qxf3 {Black should prevent dxc5.} O-O 14. Nd2 Rac8 15. Rfe1 Rfe8 16. Rac1 Qb5 17. b3 cxd4 (17... Qc6 {remains equal.}) 18. Bxd4 $16 Bc5 (18... Re6 $16) 19. Bxf6 $18 gxf6 20. Qxf6 Qd3 21. Nf3 Ba3 22. Rcd1 {Boros,K (1514)-Farkas,R (1329) Level 2016 1-0}) ({RR} 7... Nc6 8. Bb5 Qb6 9. Bxc6+ Qxc6 10. Be3 Nf6 11. O-O Bd6 12. h3 Bxf3 13. Qxf3 O-O 14. Nd2 Rac8 15. Rfe1 Rfe8 16. Rac1 Qb5 17. b3 cxd4 18. Bxd4 Bc5 19. Bxf6 gxf6 20. Qxf6 Qd3 21. Nf3 Ba3 22. Rcd1 {Boros,K (1514)-Farkas,R (1329) Level 2016 1-0}) ({RR} 7... Nc6 8. Be3 cxd4 9. cxd4 Qb6 10. Nc3 Nf6 11. O-O Be7 12. Na4 Qd8 13. Rc1 O-O 14. Be2 Rc8 15. h3 Bf5 16. Nc5 b6 17. Nd3 Ne4 18. Nf4 Bf6 19. Qa4 Ne7 20. a3 a5 21. Nh5 Ng6 22. Nxf6+ {Riznar,H-Sorli,M Krsko 1993 1-0}) 8. Bc2 Nf6 {White has an edge.} 9. O-O Be7 10. h3 Bh5 11. Bg5 O-O 12. Re1 Re8 13. Nbd2 {[%CAl Bb1d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} Nc6 {[#]} 14. Nf1 $146 (14. g4 Bg6 15. Bxg6 hxg6 16. Bxf6 (16. Ne5 Bd6 $15 (16... Qb6 17. Qf3 Rad8 18. b4 cxb3 19. axb3 $14 (19. Nxc6 Qxc6 20. axb3 a6 21. Rad1 {1-0 (58) Wilson,M (1722)-Wilks,S (2072) Hastings 2023} Rc8 22. Re3 Ba3 23. Bxf6 {Hoping for Rxe8+.} gxf6 24. Rxe8+ Qxe8 25. Qd3 (25. Kg2) 25... Qc6 26. c4 Bb4 27. cxd5 Qxd5 28. Ne4 Kg7 29. f3 (29. Qf3 $15) 29... Rc6 $17 30. Kf2 Rc8 (30... f5 $17 31. gxf5 gxf5) 31. h4 $15 {[%CAl Bh4h5]} Rh8 (31... a5 $15) 32. Rh1 (32. Qc4 Qxc4 33. bxc4) 32... Rd8 (32... f5 $17 33. gxf5 Qxf5) 33. Rd1 Rc8 34. h5 $1 gxh5 35. Ng3 Rc3 36. Nxh5+ Kf8 37. Qe4 $1 Qxe4 38. fxe4 Rxb3 39. Nxf6 a5 {With the idea ...a4.} 40. d5 Bc3 41. Nd7+ $2 (41. e5 {and White stays safe.} Kg7 42. Nh5+ Kh6 43. d6 Bxe5 44. d7) 41... Ke7 $19 42. Nc5 {[#]} Rb2+ $2 (42... Rb5 $1 $19 {[%CAl Rb5c5]} 43. Na4 Be5) 43. Ke3 {Na4 is the strong threat.} Be5 {Wilson,M (1722)-Wilks,S (2072) Hastings 2023 1-0}) 19... Bd6 20. Nd3)) 16... gxf6 17. Nf1) 14... h6 15. Bf4 (15. Bxf6 $5 Bxf6 16. g4 $14) 15... Bd6 16. Bxd6 Qxd6 17. Rxe8+ Rxe8 18. Ng3 Bg6 19. Nf5 Qf4 20. N3h4 Ne4 21. f3 $6 {Inaccuracy. Bxe4 was best.} (21. Bxe4 Rxe4 22. g3) 21... Bxf5 $15 22. Nxf5 Qxf5 23. fxe4 dxe4 24. Qe2 {[#]} b5 $2 {Mistake. Qd5 was best.} (24... Qd5 25. h4 Re6 26. b3 b5 27. Re1 f5 28. bxc4 bxc4 29. h5 Kh8 30. Rb1) 25. Re1 $14 {[%CAl Rc2e4]} a5 $6 {Inaccuracy. g6 was best.} (25... g6) 26. Bxe4 Qc8 27. Qh5 f5 $4 {[%mdl 8192] Blunder. Na7 was best.} (27... Na7 28. Re2 Qd8 29. Bf3 Rxe2 30. Bxe2 Qe8 31. Kf2 Nc8 32. Qc5 g6 33. Qc7) 28. Bd5+ Kf8 $6 {Checkmate is now unavoidable. Kh7 was best. Weighted Error Value: White=0.18 (very precise) /Black=0.66 PRECISÃO LICHESS: BRANCAS 95% PRETAS 81%} (28... Kh7 29. Rxe8 g6 30. Rxc8 gxh5 31. Rxc6 Kg7 32. Kf2 a4 33. Kf3 f4 34. Kxf4) 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.14"] [White "Ricardo Rocha Martinelli"] [Black "Mauro Araujo Lima De Souza"] [Result "1-0"] [ECO "A17"] [WhiteElo "1732"] [BlackElo "1511"] [Annotator "Stockfish 16.1"] [PlyCount "102"] [EventDate "2024.??.??"] {[%evp 9,102,25,63,20,61,36,37,15,16,18,33,32,27,20,76,73,75,81,90,46,151,77,127,118,159,153,210,163,153,114,144,117,97,11,10,15,92,59,163,163,152,120,192,181,277,257,287,287,287,276,316,295,326,312,395,410,407,382,394,277,357,244,373,395,431,430,456,408,419,369,441,472,457,456,633,633,595,595,593,504,645,647,717,559,754,650,762,730,751,718,1058,955,29992,29993,29993]} 1. c4 Nf6 {[%CAl Bg8f6,Bf6e4,Be4d2][%mdl 32]} 2. Nc3 e6 3. Nf3 c6 $6 {Inaccuracy. d5 was best.} (3... d5 4. e3 (4. d4 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4) 4... Nbd7 5. b3 c6 6. Bb2 Bd6 7. d4 O-O 8. Be2 b6 9. O-O Bb7 10. Rc1 Rc8 11. Bd3 Re8 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. cxd5 Nxd5 16. Rfd1 Qd6 17. Nxd5 cxd5 18. Rxc8 Bxc8 19. Bxe5 Qxe5 20. Bb5 Rd8 21. Rd4 Be6 22. Ba6 Rd7 23. g3 Rc7 24. Qd1 g6 25. Be2 Rc5 26. Kg2 Qc7 27. Bf3 Rc1 28. Qe2 Rc2 29. Rd2 Rxd2 30. Qxd2 Qc5 31. h4 h5 32. Qd4 Qxd4 33. exd4 {Duda,J (2733)-Erigaisi,A (2778) Chess.com INT 2024 ½-½ (76)}) (3... Bc5 4. d4 Bb4 5. Bg5 O-O 6. Qc2 b6 7. e4 Be7 8. Bd3 g6 9. h4 Bb7 10. O-O-O Nh5 11. Bh6 Re8 12. g4 Nf6 13. Rdg1 Bf8 14. Bg5 Be7 15. Rh3 Kg7 16. h5 Rh8 17. Qd2 h6 18. Be3 {Vallejo Pons,F (2677)-Viudez Garcia,F Albox 2005 1-0 (31)}) ({RR} 3... Bc5 4. d4 Bb4 5. Bg5 O-O 6. Qc2 b6 7. e4 Be7 8. Bd3 g6 9. h4 Bb7 10. O-O-O Nh5 11. Bh6 Re8 12. g4 Nf6 13. Rdg1 Bf8 14. Bg5 Be7 15. Rh3 Kg7 16. h5 Rh8 17. Qd2 h6 18. Be3 {Vallejo Pons,F (2677)-Viudez Garcia,F Albox 2005 1-0 (31)}) 4. d4 $6 {Inaccuracy. e4 was best.} (4. e4 d6 (4... d5 5. e5 Ne4 6. Qc2 Nxc3 7. dxc3 Nd7 8. Bf4 Qc7) 5. d4 Be7 6. Be2 O-O 7. O-O b6 8. Qc2 h6 9. Rd1 Qc7 10. Bf4 Nh5 11. Bg3 Nxg3 12. hxg3 Bf6 13. Rac1 Bb7 14. Nh2 Nd7 15. Ng4 Bg5 16. f4 Be7 17. Bf3 c5 18. Nb5 Qb8 {De Winter,E (1687)-Lokeswara Rao M (1218) Reykjavik ISL 2023 ½-½ (32)}) ({RR} 4. e4 d6 5. d4 Be7 6. Be2 O-O 7. O-O b6 8. Qc2 h6 9. Rd1 Qc7 10. Bf4 Nh5 11. Bg3 Nxg3 12. hxg3 Bf6 13. Rac1 Bb7 14. Nh2 Nd7 15. Ng4 Bg5 16. f4 Be7 17. Bf3 c5 18. Nb5 Qb8 {De Winter,E (1687)-Lokeswara Rao M (1218) Reykjavik ISL 2023 ½-½ (32)}) 4... Bb4 5. Bd2 Bxc3 $146 (5... Na6 6. e3 Nc7 (6... Be7 $14) 7. Bd3 d5 8. O-O Qe7 (8... O-O $16 {was necessary.}) 9. a3 $18 Bxc3 10. Bxc3 dxc4 11. Bxc4 Nfd5 (11... Ncd5 $16 12. Be1 a5) 12. e4 $2 (12. Bd2 $18) 12... Nxc3 $14 13. bxc3 O-O 14. e5 b5 15. Bd3 Nd5 16. Qc1 h6 17. Nd2 (17. c4 $14 bxc4 18. Qxc4) 17... Nf4 18. Qc2 Bb7 {And now ...c5 would win.} 19. Ne4 {Against c5} (19. Bh7+ Kh8 20. Be4) 19... Rad8 $2 (19... c5 $1 $15) 20. Nc5 {Schenderowitsch,M (1846)-Senger,P Koblenz 1996 1-0}) ({RR} 5... Na6 6. e3 Nc7 7. Bd3 d5 8. O-O Qe7 9. a3 Bxc3 10. Bxc3 dxc4 11. Bxc4 Nfd5 12. e4 Nxc3 13. bxc3 O-O 14. e5 b5 15. Bd3 Nd5 16. Qc1 h6 17. Nd2 Nf4 18. Qc2 Bb7 19. Ne4 Rad8 20. Nc5 {Schenderowitsch,M (1846)-Senger,P Koblenz 1996 1-0}) 6. bxc3 {[#] A17: English Opening: 1...Nf6 with ...Bb4.} Ne4 $146 (6... d5 7. cxd5 cxd5 8. Ne5 Nbd7 9. Nxd7 Nxd7 10. e3 a6 11. c4 dxc4 12. Bxc4 b5 {1-0 (23) Schumacher,U (1392)-Heidfeld,C (1141) Bad Sooden-Allendorf 2009} 13. Be2 Bb7 14. Bf3 Rb8 (14... Bxf3 15. Qxf3 O-O) 15. O-O (15. Bb4 $16) 15... Nf8 $2 (15... Bxf3 16. Qxf3 a5) 16. Bxb7 Rxb7 17. Rc1 Ng6 18. Qf3 Rb8 19. Bb4 {Strongly threatening Qg3.} a5 20. Qc6+ Qd7 21. Qxd7+ $2 (21. Bxa5 $18 {Qxd7+ is the strong threat.} Qxc6 22. Rxc6) 21... Kxd7 22. Bxa5 {aiming for Rc7+.} Rhc8 {Against Rc7+} (22... Ra8 $1 {remains equal.} 23. Bb4 Rxa2) 23. Bb4 {1-0 (23) Schumacher,U (1392)-Heidfeld,C (1141) Bad Sooden-Allendorf 2009}) 7. Qc2 (7. Bf4 {seems wilder.} d5 8. Qc2 Qa5 9. Rc1) 7... Nxd2 8. Qxd2 {White is slightly better.} d5 9. e3 Nd7 10. cxd5 cxd5 11. c4 Nf6 $6 {Inaccuracy. dxc4 was best.} (11... dxc4 12. Bxc4 b6) 12. c5 $16 O-O 13. Bd3 Ne4 14. Qc2 Nf6 $2 {Mistake. Qa5+ was best.} (14... Qa5+ 15. Nd2 Nxd2 16. Qxd2 Qc7) 15. h3 $6 {Inaccuracy. O-O was best.} (15. O-O Qa5 16. Rfb1 b6 17. Rb5 Qa3 18. cxb6 axb6 19. Rxb6 Ba6 20. Bxa6 Rxa6) 15... h6 16. O-O Re8 17. Ne5 Nd7 $6 {Inaccuracy. Re7 was best.} (17... Re7 18. Rab1 (18. a4 Bd7 19. a5 Be8 20. Rfb1 Nd7 21. f4 Nb8 22. Rb2 f6 23. Bh7+) 18... Qc7) 18. f4 $6 {Inaccuracy. Bh7+ was best.} (18. Bh7+ Kf8 19. f4 Re7 20. Rf3 Nf6 21. Bd3 Rc7 22. g4 Ne4 23. Bxe4 dxe4) 18... Nf8 19. Bb5 Bd7 20. Nxd7 Nxd7 21. Qa4 $2 {Mistake. a4 was best.} (21. a4 Rc8 22. a5 Re7 23. Qb2 Nb8 24. Rfb1 Nc6 25. Bxc6 Rxc6 26. Ra3 Kh8) 21... Re7 22. Rac1 a6 $6 {Inaccuracy. Nf6 was best.} (22... g6 {keeps the balance.}) (22... Nf6 23. Rc2 b6 24. Ba6 Ne4 25. Bd3 Ng3 26. Rfc1 Nf5 27. Bxf5 exf5 28. Qb3) 23. Bxd7 (23. Bd3 {with more complications.} g6 24. Rb1 b6 25. Rfc1) 23... Qxd7 $6 {Inaccuracy. Rxd7 was best.} (23... Rxd7 24. Rb1 b5) 24. Qxd7 $18 Rxd7 $16 {[%mdl 4096] Endgame KRR-KRR} 25. a4 Rc7 (25... Re8 $16 {was called for.}) 26. Rb1 $18 a5 $6 {Inaccuracy. Re8 was best.} (26... Re8 27. Rb6 Ree7) 27. Rb5 Ra7 28. Kf2 Kh7 29. Kf3 Kg6 30. g4 h5 31. e4 h4 $6 {Inaccuracy. hxg4+ was best.} (31... hxg4+ 32. hxg4) 32. exd5 exd5 33. Re1 {Prevents Re7.} Rd7 34. Re5 $6 {Inaccuracy. Rb6+ was best.} (34. Rb6+ Kh7 35. g5 Ra8 36. Kg4 g6 37. Kxh4 Rc8 38. Kg4 Rc6 39. Rb5 f5+) 34... f6 35. Rh5 $6 {Inaccuracy. f5+ was best.} (35. f5+ Kf7 36. Re6 Ra8 37. g5 fxg5 38. Kg4 Rc8 39. Rbb6 Rc6 40. Rexc6 bxc6) 35... Re7 $6 {Inaccuracy. Ra8 was best.} (35... Ra8 36. Rxh4 (36. Rb6) 36... Re8) 36. Rxd5 Re1 37. Rd7 Rf1+ 38. Kg2 $6 {Inaccuracy. Ke4 was best.} (38. Ke4 Rh1 39. Rb3 Ra8 40. Rbxb7 Rg8 41. Rb3 f5+ 42. gxf5+ Kh6 43. c6 Rf8) 38... Rxf4 39. Rb6 Re4 40. Kf3 Re1 41. c6 Ra6 $6 {Inaccuracy. Ra8 was best.} (41... Ra8 42. Rbxb7 Rg8 43. c7 Rc1 44. Ke4 Rc8 45. Kd5 Rc3 46. Kd6 Rxh3 47. Rb8) 42. Rxa6 bxa6 {KR-KR} 43. Rd5 Re8 44. Rxa5 Rd8 $6 {Inaccuracy. Kf7 was best.} (44... Kf7 45. Rd5 Re7 46. Rd6 Ke8 47. d5 Kf7 48. Rd8 Rc7 49. Ra8 Ke7 50. Ke4) 45. d5 Rb8 46. Rc5 Rb3+ 47. Kg2 Rb2+ 48. Kf1 Rb1+ 49. Ke2 Rb3 50. c7 Rxh3 $2 {Checkmate is now unavoidable. Rb2+ was best.} (50... Rb2+ 51. Kd3 Kg5 52. c8=Q Kf4 53. Qf5+ Kg3 54. Rc3 Kh2 55. Kd4 Rg2 56. Qf1) 51. c8=Q Rh2+ {Weighted Error Value: White=0.29 (precise) /Black=0.62 PRECISÃO LICHESS: BRANCAS 92% PRETAS 89%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.15"] [White "Michel Mattos da Silva"] [Black "Murillo Costa Rodrigues Jr"] [Result "1-0"] [ECO "A10"] [WhiteElo "1628"] [BlackElo "1722"] [Annotator "Stockfish 16.1"] [PlyCount "51"] [EventDate "2024.??.??"] {[%evp 9,51,23,28,27,27,-13,53,-108,-115,-109,-98,-125,-124,-129,105,94,130,92,105,84,324,8,4,-39,26,16,51,-35,-5,-71,-7,-124,-123,-131,53,60,45,27,423,396,474,462,675,667]} 1. c4 g5 $6 {Inaccuracy. e5 was best.} (1... e5 2. g3 Nf6 3. Bg2 Bc5 4. d3 O-O 5. Nc3 Re8 6. Nf3) 2. Nc3 Bg7 (2... h6 3. g3 Bg7 4. Bg2 c5 5. d3 Nc6 6. e3 d6 7. Nge2 Nf6 8. b3 h5 9. h4 gxh4 10. Rxh4 Bg4 11. Bb2 Ne5 12. Bxb7 Nf3+ 13. Bxf3 Bxf3 14. Qd2 Ng4 15. Nf4 Ne5 16. d4 cxd4 17. exd4 {Rakhmanov,A (2635)-Vovk,O (2315) chess.com INT 2023 1-0 (46)}) ({RR} 2... h6 3. g3 Bg7 4. Bg2 c5 5. d3 Nc6 6. e3 d6 7. Nge2 Nf6 8. b3 h5 9. h4 gxh4 10. Rxh4 Bg4 11. Bb2 Ne5 12. Bxb7 Nf3+ 13. Bxf3 Bxf3 14. Qd2 Ng4 15. Nf4 Ne5 16. d4 cxd4 17. exd4 {Rakhmanov,A (2635)-Vovk,O (2315) chess.com INT 2023 1-0 (46)}) 3. e4 (3. d4 g4 4. e4 h5 5. Be3 c5 6. dxc5 Nc6 7. Nge2 h4 8. Qd2 Nf6 9. Nd4 Nxd4 10. Bxd4 Qa5 11. e5 Nh5 12. Be2 d6 13. exd6 e5 14. Be3 f5 15. Nd5 Qxd2+ 16. Bxd2 O-O 17. h3 Nf6 18. hxg4 Nxd5 19. cxd5 fxg4 20. Rxh4 {1-0 (20) Dubov,D (2702)-Beerdsen,T (2494) Chess.com INT 2022}) (3. e3 e6 4. d4 c5 5. Nf3 g4 6. Ne5 d6 7. Qxg4 Bf6 8. Nf3 Nc6 9. Qe4 Nge7 10. dxc5 Qa5 11. Bd2 Qxc5 12. Be2 e5 13. Nd5 Nxd5 14. Qxd5 Bf5 15. Bc3 Qxd5 16. cxd5 Ne7 17. Rd1 Be4 {Alcazar Jimenez,J (2147)-Nazari,A (2375) chess.com INT 2024 0-1 (42)}) ({RR} 3. e3 e6 4. d4 c5 5. Nf3 g4 6. Ne5 d6 7. Qxg4 Bf6 8. Nf3 Nc6 9. Qe4 Nge7 10. dxc5 Qa5 11. Bd2 Qxc5 12. Be2 e5 13. Nd5 Nxd5 14. Qxd5 Bf5 15. Bc3 Qxd5 16. cxd5 Ne7 17. Rd1 Be4 {Alcazar Jimenez,J (2147)-Nazari,A (2375) chess.com INT 2024 0-1 (42)}) 3... c5 {[#]} 4. Nf3 $146 (4. d3 e6 5. Be3 b6 6. g3 Nc6 7. h4 gxh4 8. Rxh4 Nge7 9. Bg2 Ng6 10. Rh2 Bb7 11. Nge2 a6 12. Qd2 Nge5 13. Bh6 Bf6 14. Rh5 Nd4 15. Nxd4 cxd4 16. Ne2 Ng6 17. f4 e5 18. f5 Ne7 {Ollech,D (1942)-Bergemann,M (1863) Germany 2011 1-0 (60)}) (4. Nge2 Nc6 5. d3 h6 6. g3 d6 7. Bg2 e6 8. O-O Nge7 9. f4 Ng6 10. Be3 Nd4 11. Qd2 Bf6 12. Rf2 e5 13. Nd5 Bg4 14. Nxf6+ Qxf6 15. Bxd4 exd4 16. e5 dxe5 17. Bxb7 Rb8 18. fxe5 Qxe5 {Trussardi,G (1620)-Loschi,E (1400) Caorle 1991 1-0 (32)}) (4. g3 Nc6 5. Bg2 e6 6. Nge2 Nge7 7. d3 Ng6 8. Be3 Nd4 9. h3 h6 10. O-O {½-½ (52) Mogloev,A (1766)-Remizov,J (2147) Ulan-Ude 2013} O-O 11. Rb1 a6 12. b4 d6 13. Qd2 Qc7 14. f4 gxf4 15. Nxf4 Nxf4 16. gxf4 f5 17. bxc5 dxc5 18. e5 Rb8 {Mogloev,A (1766)-Remizov,J (2147) Ulan-Ude 2013 ½-½ (52)} 19. a4 Rd8 20. Bxd4 Rxd4 21. Ne2 Rd8 22. Kh2 Bd7 23. Rf3 Bxa4 24. Rg3 Rd7 25. Bf3 Re7 26. Rbg1 Rd8 27. Rg6 Kh7 28. Qe3 Be8 29. R6g2 b6 30. Ng3 Qd7 31. Bh5 Bh8 32. Bxe8 Qxe8 33. Qf3 Rg7 {Mogloev,A (1766)-Remizov,J (2147) Ulan-Ude 2013 ½-½}) ({RR} 4. d3 e6 5. Be3 b6 6. g3 Nc6 7. h4 gxh4 8. Rxh4 Nge7 9. Bg2 Ng6 10. Rh2 Bb7 11. Nge2 a6 12. Qd2 Nge5 13. Bh6 Bf6 14. Rh5 Nd4 15. Nxd4 cxd4 16. Ne2 Ng6 17. f4 e5 18. f5 Ne7 {Ollech,D (1942)-Bergemann,M (1863) Germany 2011 1-0 (60)}) ({RR} 4. g3 Nc6 5. Bg2 e6 6. Nge2 Nge7 7. d3 Ng6 8. Be3 Nd4 9. h3 h6 10. O-O O-O 11. Rb1 a6 12. b4 d6 13. Qd2 Qc7 14. f4 gxf4 15. Nxf4 Nxf4 16. gxf4 f5 17. bxc5 dxc5 18. e5 Rb8 {Mogloev,A (1766)-Remizov,J (2147) Ulan-Ude 2013 ½-½ (52)}) ({RR} 4. Nge2 Nc6 5. d3 h6 6. g3 d6 7. Bg2 e6 8. O-O Nge7 9. f4 Ng6 10. Be3 Nd4 11. Qd2 Bf6 12. Rf2 e5 13. Nd5 Bg4 14. Nxf6+ Qxf6 15. Bxd4 exd4 16. e5 dxe5 17. Bxb7 Rb8 18. fxe5 Qxe5 {Trussardi,G (1620)-Loschi,E (1400) Caorle 1991 1-0 (32)}) 4... h6 5. d3 Nc6 6. Be3 {A10: English Opening: Unusual Replies for Black.} d6 7. Be2 Qa5 $6 {Inaccuracy. e6 was best.} (7... e6 8. Nd2 Nge7 9. h4 gxh4 10. Nf3 Ng6 11. d4 Qb6 12. Nb5 Nxd4 13. Nfxd4) 8. a3 $2 {Mistake. Rc1 was best. [#]} (8. Rc1 Nf6) 8... Bxc3+ $17 9. bxc3 Qxc3+ 10. Bd2 Qg7 11. O-O Nd4 $4 {Blunder. f5 was best.} (11... e5 $17 {and life is bright.}) (11... f5) 12. Nxd4 $16 Qxd4 13. Be3 Qg7 14. d4 {[%mdl 1024] White has strong compensation.} b6 $4 {Blunder. Nf6 was best.} (14... Nf6 15. dxc5 dxc5 16. Bxc5 Nxe4 17. Bd4 e5 18. Bb2 O-O 19. Qd5 Bf5 20. Bxe5) 15. d5 $4 {Blunder. dxc5 was best.} (15. dxc5 dxc5 (15... Nf6 16. cxd6 O-O 17. dxe7 Re8 18. Qd6 Ba6 19. f3 Nh5 20. Rfd1 Rac8) 16. Qd5) 15... Nf6 16. f3 O-O (16... Nd7 $15) 17. Kh1 Nd7 18. Rg1 $6 {Inaccuracy. Bd2 was best.} (18. a4 $14) (18. Bd2 e5 19. dxe6 fxe6 20. Be3 Qe7 21. Qd2 Nf6 22. Rfd1 e5 23. Qxd6 Kf7) 18... f5 {[%CAl Bf7f5,Bf5f4][%mdl 32]} 19. Qc2 $6 {Inaccuracy. exf5 was best.} (19. exf5 Rxf5 20. a4) 19... Ne5 $6 {Inaccuracy. fxe4 was best.} (19... fxe4 20. Qxe4 Ne5) 20. Raf1 $2 {Mistake. f4 was best.} (20. f4 gxf4) 20... f4 $17 21. Bd2 {[%CAl Be3d2,Bd2f4,Bf4h6][%mdl 32]} h5 $2 {Mistake. Kh7 was best.} (21... Qf6 $17 22. Rb1 Bd7) (21... Kh7) 22. g3 $1 $14 {[#] aiming for gxf4.} Ng6 23. Qc1 {[%CAl Bh2h4]} g4 $4 {[%mdl 8192] Blunder. Bh3 was best.} (23... Kh7 {and Black has nothing to worry.}) (23... Bh3) 24. gxf4 $18 Nxf4 25. Bxf4 Kh8 $6 {Inaccuracy. Qg6 was best.} (25... Kh7 26. fxg4 Qd4 27. gxh5 Bd7) (25... Qg6 26. Bh6 Rf7 27. Qg5 Qxg5 28. Bxg5 gxf3 29. Rxf3 Bg4 30. Rxf7 Kxf7 31. Bxg4) 26. Bh6 {Weighted Error Value: White=0.59/Black=1.04 PRECISÃO LICHESS: BRANCAS 84% PRETAS 75%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.16"] [White "Luiz, Felipe De Moraes"] [Black "Joao, Carlos Reginaldo E"] [Result "1-0"] [Annotator "Stockfish 16.1"] [PlyCount "0"] [EventDate "2024.??.??"] 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.17"] [White "Willian Wallace Gomes C. da S"] [Black "Waldefran Clementino Chagas"] [Result "0-1"] [ECO "B20"] [BlackElo "1712"] [Annotator "Stockfish 16.1"] [PlyCount "40"] [EventDate "2024.??.??"] {[%evp 9,39,-198,-196,-190,-200,-242,-244,-323,-335,-302,-304,-511,-479,-468,-436,-528,-535,-532,-497,-537,-357,-637,-619,-29992,-29993,-29993,-865,-29995,-946,-29998,-29999,-29999]} 1. e4 c5 2. f3 (2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bb3 O-O 10. O-O Qc8 11. Qe2 b5 12. Rfd1 Nbd7 13. Rac1 h6 14. Nd5 Nxd5 15. Bxd5 Bxd5 16. Rxd5 Nf6 17. Rdd1 Qb7 18. Nd2 Rac8 19. Qd3 Rfd8 20. c3 d5 21. exd5 Rxd5 22. Qe2 Rcd8 23. c4 bxc4 24. Nxc4 e4 25. b3 Rd3 26. Ne5 Rxd1+ 27. Rxd1 Rxd1+ 28. Qxd1 Qd5 29. Qxd5 Nxd5 30. Nc6 Bd6 31. Bd2 f5 {Abdusattorov,N (2769)-Nepomniachtchi,I (2770) Chess.com INT 2024 1-0}) 2... e6 (2... Nc6 3. c3 d5 4. d4 e6 5. Be3 cxd4 6. cxd4 dxe4 7. fxe4 Qh4+ 8. Kd2 Qxe4 9. Nc3 Bb4 10. Nf3 Nf6 11. Bd3 Qg4 12. Qe2 O-O 13. h3 Qg3 14. Kc2 Bd7 15. Rac1 Bxc3 16. bxc3 Rfc8 17. Kb1 {Xiong,J (2688)-Bacrot,E (2638) Chess.com INT 2022 ½-½ (73)}) ({RR} 2... Nc6 3. c3 d5 4. d4 e6 5. Be3 cxd4 6. cxd4 dxe4 7. fxe4 Qh4+ 8. Kd2 Qxe4 9. Nc3 Bb4 10. Nf3 Nf6 11. Bd3 Qg4 12. Qe2 O-O 13. h3 Qg3 14. Kc2 Bd7 15. Rac1 Bxc3 16. bxc3 Rfc8 17. Kb1 {Xiong,J (2688)-Bacrot,E (2638) Chess.com INT 2022 ½-½ (73)}) 3. c3 (3. Ne2 d5 4. exd5 exd5 5. d4 Nf6 6. Be3 Nc6 7. dxc5 g6 8. c3 Bg7 9. Nd4 O-O 10. Be2 Re8 11. Bf2 Nxd4 12. Bxd4 b6 13. cxb6 Ba6 14. c4 dxc4 15. bxa7 Rxe2+ 16. Kxe2 c3+ 17. Kf2 Ng4+ {Pasti,A (2361)-Zhao,E (2275) chess.com INT 2023 0-1}) ({RR} 3. Ne2 d5 4. exd5 exd5 5. d4 Nf6 6. Be3 Nc6 7. dxc5 g6 8. c3 Bg7 9. Nd4 O-O 10. Be2 Re8 11. Bf2 Nxd4 12. Bxd4 b6 13. cxb6 Ba6 14. c4 dxc4 15. bxa7 Rxe2+ 16. Kxe2 c3+ 17. Kf2 Ng4+ {Pasti,A (2361)-Zhao,E (2275) chess.com INT 2023 0-1}) 3... d5 $146 (3... Bd6 4. Nh3 Qc7 5. d3 Bxh2 6. Rxh2 Qxh2 7. Bf4 Qh1 8. Qa4 g5 9. Bxb8 Rxb8 10. Qxa7 Qh2 11. Qxc5 Qg3+ 12. Nf2 Ne7 13. Nd2 Nc6 14. O-O-O b5 15. d4 Qxf2 16. Bxb5 Qe3 17. Bxc6 dxc6 18. Qxc6+ {Ramirez Tarazona,E-Diaz Herrera,L (1920) Bogota 2013 0-1 (35)}) ({RR} 3... Bd6 4. Nh3 Qc7 5. d3 Bxh2 6. Rxh2 Qxh2 7. Bf4 Qh1 8. Qa4 g5 9. Bxb8 Rxb8 10. Qxa7 Qh2 11. Qxc5 Qg3+ 12. Nf2 Ne7 13. Nd2 Nc6 14. O-O-O b5 15. d4 Qxf2 16. Bxb5 Qe3 17. Bxc6 dxc6 18. Qxc6+ {Ramirez Tarazona,E-Diaz Herrera,L (1920) Bogota 2013 0-1 (35)}) 4. d4 dxe4 5. fxe4 Qh4+ 6. Kd2 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qxe4 {[#]} 7. dxc5 $146 (7. Nf3 Nc6 8. Bb5 Bd6 9. g3 Nf6 10. Re1 Qd5 11. c4 (11. Kc2 c4 12. Bxc6+ {nothing else works.} (12. a4 Qf5+ 13. Kd2 Qd3# {0-1 (13) Soukarie,A-Oikonomopoulos,F (1680) Athens 2021}) 12... bxc6 13. Ne5) 11... Qh5 12. d5) 7... Bxc5 {[#] And now ...Be3+ would win.} 8. Bd3 {Black is clearly better.} Qxg2+ 9. Ne2 Nf6 {[%CAl Bg8f6,Bf6e4,Be4f2][%mdl 32]} (9... Qh3 10. Nf4 Qh4 11. Kc2 $17) 10. Qa4+ $2 (10. b4 {was necessary.} Bb6 11. Qf1) 10... Nc6 11. Qd1 O-O (11... Ne5 $2 12. Qf1 Qc6 13. Ng3 Nxd3 14. Qxd3 $19) 12. Rg1 Bxg1 13. Qxg1 Ne4+ 14. Kc2 Qf3 15. Qe1 $2 (15. Bh6 Qf6 16. Bxg7 Qxg7 17. Bxe4) 15... Nf2 $19 16. Nd2 Qxd3+ 17. Kb3 Na5+ (17... Qb5+ 18. Ka3 Qa6+ 19. Kb3 Na5+ 20. Kb4 Nd3+ 21. Ka4 Bd7+ 22. Ka3 Nc4+ 23. Kb3 Ba4#) 18. Kb4 Bd7 19. Qxf2 Qb5+ 20. Ka3 Qa4# {Weighted Error Value: White=1.63/Black=0.84 PRECISÃO LICHESS: BRANCAS 81% PRETAS 95%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.18"] [White "Flavio C. Balod"] [Black "Adam Meyer"] [Result "0-1"] [ECO "B00"] [WhiteElo "1709"] [Annotator "Stockfish 16.1"] [PlyCount "68"] [EventDate "2024.??.??"] {[%evp 10,68,32,23,56,14,14,7,23,20,21,18,16,-7,0,-30,-33,-88,-65,-75,-48,-105,-91,-139,-126,-216,-217,-238,-208,-201,-132,-125,0,-82,-78,-104,-55,-69,-37,-87,-75,-179,-151,-147,-124,-148,-28,-273,-280,-287,-268,-272,-254,-387,-382,-389,-372,-398,-383,-366,-349]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Bd6 {B07: Pirc Defence: Miscellaneous Systems.} 7. Nd5 (7. O-O-O Nbd7 8. Nf3 Ke8 9. Bb5 Kf8 (9... a6 10. Bd3 h6) 10. Bxd7 $16 Nxd7 11. Nb5 $1 f6 12. Be3 $1 Ke7 13. Rxd6 $1 cxd6 14. Nc7 b6 15. Nxa8 Kd8 {Inhibits Nc7.} 16. Nd2 {And now Nc4 would win.} Bb7 17. Nc4 {[%CAl Bc4d6]} Bxa8 18. Nxd6 {Black must now prevent Nf7+.} Kc7 19. Nb5+ Kb8 20. Rd1 Bc6 21. c4 Bxb5 {Jobava,B (2721)-Shanava,K (2589) Tbilisi 2012 1-0 (39)}) ({RR} 7. O-O-O Nbd7 8. Nf3 Ke8 9. Bb5 Kf8 10. Bxd7 Nxd7 11. Nb5 f6 12. Be3 Ke7 13. Rxd6 cxd6 14. Nc7 b6 15. Nxa8 Kd8 16. Nd2 Bb7 17. Nc4 Bxa8 18. Nxd6 Kc7 19. Nb5+ Kb8 20. Rd1 Bc6 21. c4 Bxb5 {Jobava,B (2721)-Shanava,K (2589) Tbilisi 2012 1-0 (39)}) 7... Nbd7 {[#]} 8. g3 $146 (8. Bd3 h6 9. Bxf6+ Nxf6 10. Nxf6 gxf6 11. h3 h5 12. O-O-O (12. g3) 12... h4 $15 13. Nf3 Ke7 14. Ne1 Be6 15. Kb1 Rag8 16. f3 (16. c3 $17) 16... Bc5 $19 17. b3 Rd8 18. Be2 (18. f4) 18... Rxd1+ 19. Bxd1 Rg8 20. Rf1 (20. f4) 20... Be3 $19 21. g4 $2 (21. Kb2 {is a better defense.}) 21... hxg3 $19 22. Ng2 Bxh3 {Molsa,Y-Suuronen,P (1931) Finland 2005 0-1}) (8. Nf3 Ke8 9. Nxf6+ Nxf6 10. Bd3 Be6 11. O-O-O a5 12. h4 (12. Bxf6 gxf6 13. a4) 12... h6 (12... Ng4 $1 $17 {[%CAl Rg4f2]} 13. Bb5+ Kf8) 13. Be3 a4 14. a3 Ke7 15. Nd2 Rhb8 (15... Ng4 $5 {[%CAl Rg4e3]}) 16. Rdf1 (16. Nc4 $15) 16... b5 $17 17. f4 (17. f3 $17 {was worth a try.}) 17... Ng4 $19 18. fxe5 Nxe5 (18... Bxa3 $19 19. Bd4 Bb4) 19. Bd4 (19. Nf3 $17 {was necessary.}) 19... Nxd3+ 20. cxd3 f6 21. Nf3 {[#]} Bf4+ (21... b4 $1 $17 {[%CAl Rb4a3]} 22. e5 fxe5 23. Nxe5 Bxe5 24. Bxe5 bxa3 25. bxa3 Rb3) 22. Kb1 b4 {Carvalho,P (1786)-Barbosa,R (1537) Porto Alegre 2018 ½-½ (49)}) (8. Bc4 Ke8 9. f3 (9. Bxf6 Nxf6 10. Nxf6+ gxf6 11. Nf3) 9... Nxd5 $15 10. Bxd5 f6 11. Be3 c6 12. Bb3 Nc5 13. Ne2 Ke7 14. O-O-O Nxb3+ 15. cxb3 Be6 16. Nc3 b5 17. Rd3 Rhd8 18. Rhd1 {[%CAl Bd3d6]} Bc7 19. Bc5+ Ke8 20. Rxd8+ Bxd8 21. Kc2 Be7 22. b4 a5 {Roos,A (2030)-Dikant,C (2110) France 2006 ½-½ (43)}) (8. O-O-O h6 9. Bxf6+ gxf6 (9... Nxf6 10. Nxf6 gxf6) 10. Nf3 a6 11. Nh4 Bc5 (11... c6 $1 $14) 12. f3 (12. Nxf6 $16 {g3 is the strong threat.} Be7 13. Nxd7 Bxd7 14. Nf5) 12... a5 (12... c6 $14 13. Nxf6 Kc7 14. Nxd7 Bxd7) 13. Bc4 Bd6 (13... f5 $16 14. Nxf5 c6) 14. Nf5 $18 a4 15. g4 h5 16. h4 hxg4 17. fxg4 Rg8 18. h5 Ra5 19. h6 b5 20. Be2 Bb7 21. h7 Rh8 22. Nxd6 cxd6 {Buchkov,N (1919)-Yulchiev,A Zhukovsky 2012 ½-½}) (8. Ne7 Bxe7 9. Bxf6 gxf6 {½-½ (9) Derakhshani,D (2335)-Colovic,D (2395) Novi Sad 2016}) ({RR} 8. Bd3 h6 9. Bxf6+ Nxf6 10. Nxf6 gxf6 11. h3 h5 12. O-O-O h4 13. Nf3 Ke7 14. Ne1 Be6 15. Kb1 Rag8 16. f3 Bc5 17. b3 Rd8 18. Be2 Rxd1+ 19. Bxd1 Rg8 20. Rf1 Be3 21. g4 hxg3 22. Ng2 Bxh3 {Molsa,Y-Suuronen,P (1931) Finland 2005 0-1}) ({RR} 8. Nf3 Ke8 9. Nxf6+ Nxf6 10. Bd3 Be6 11. O-O-O a5 12. h4 h6 13. Be3 a4 14. a3 Ke7 15. Nd2 Rhb8 16. Rdf1 b5 17. f4 Ng4 18. fxe5 Nxe5 19. Bd4 Nxd3+ 20. cxd3 f6 21. Nf3 Bf4+ 22. Kb1 b4 {Carvalho,P (1786)-Barbosa,R (1537) Porto Alegre 2018 ½-½ (49)}) ({RR} 8. Bc4 Ke8 9. f3 Nxd5 10. Bxd5 f6 11. Be3 c6 12. Bb3 Nc5 13. Ne2 Ke7 14. O-O-O Nxb3+ 15. cxb3 Be6 16. Nc3 b5 17. Rd3 Rhd8 18. Rhd1 Bc7 19. Bc5+ Ke8 20. Rxd8+ Bxd8 21. Kc2 Be7 22. b4 a5 {Roos,A (2030)-Dikant,C (2110) France 2006 ½-½ (43)}) ({RR} 8. O-O-O h6 9. Bxf6+ gxf6 10. Nf3 a6 11. Nh4 Bc5 12. f3 a5 13. Bc4 Bd6 14. Nf5 a4 15. g4 h5 16. h4 hxg4 17. fxg4 Rg8 18. h5 Ra5 19. h6 b5 20. Be2 Bb7 21. h7 Rh8 22. Nxd6 cxd6 {Buchkov,N (1919)-Yulchiev,A Zhukovsky 2012 ½-½}) 8... h6 {The position is equal.} 9. Bxf6+ Nxf6 10. Nxf6 gxf6 11. O-O-O Be6 12. Bg2 Ke7 13. Ne2 (13. Nf3 $15) 13... Rhd8 (13... Bxa2 $6 14. b3) 14. Nc3 c6 {Against Nd5+} 15. Kb1 (15. a3 $15) 15... a5 16. b3 Bc5 17. f4 $6 {Inaccuracy. f3 was best.} (17. f3) 17... Bg4 $19 18. Rd3 Rxd3 19. cxd3 Rd8 $6 {Inaccuracy. exf4 was best.} (19... exf4 20. gxf4 Rg8 21. Re1 Bh5 22. Bh3 Bf2 23. Rf1 Bg1 24. e5 fxe5 25. Re1) 20. Kc2 {[#]} b5 $2 {Mistake. exf4 was best.} (20... exf4 21. gxf4 Rg8) 21. h3 $6 {Inaccuracy. f5 was best.} (21. f5 Bd4 22. h3 (22. Re1 Bf2 23. Rc1 Be3 24. Re1) 22... Bxc3 23. hxg4) 21... Bc8 $17 {Threatens to win with ...Rg8.} 22. Ne2 Rg8 {aiming for ...exf4.} 23. Bf3 {[%CAl Bf3g4]} Be3 24. f5 Ba6 25. g4 $6 {Inaccuracy. a3 was best.} (25. a3 a4) 25... Rd8 26. Ng3 c5 27. Rd1 c4 $6 {Inaccuracy. Bf2 was best.} (27... b4 $17 {Black wants to play ...Bb5.} 28. Nf1 Bf2) (27... Bf2 28. Nf1 b4 29. Be2 Bb5 30. Rc1 a4 31. Kd2 axb3 32. axb3 Ra8 33. Bd1) 28. Be2 $4 {Blunder. dxc4 was best.} (28. dxc4 Rc8 (28... Rxd1) 29. Be2) 28... cxb3+ $19 29. Kxb3 Rc8 30. Kb2 b4 31. Nf1 $6 {Inaccuracy. d4 was best.} (31. d4 Bxe2 (31... Bxd4+) 32. Nxe2) 31... Bd4+ {Black is winning.} 32. Kb1 Rc3 33. Rc1 Bxd3+ 34. Bxd3 Rxd3 {Weighted Error Value: White=0.49/Black=0.25 (precise) PRECISÃO LICHESS: BRANCAS 88% PRETAS 92%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.19"] [White "Marcelo Dos Santos Silva"] [Black "Sophia Magalhães de Lima"] [Result "1/2-1/2"] [ECO "A28"] [WhiteElo "1965"] [BlackElo "1479"] [Annotator "Stockfish 16.1"] [PlyCount "20"] [EventDate "2024.??.??"] {[%evp 10,20,19,5,14,-21,54,-15,101,-26,366,-29,418]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Be7 5. d4 exd4 6. Nxd4 d5 {A28: English Opening: Four Knights Variation.} (6... O-O 7. Nde2 Re8 8. Nf4 {Against d5} Bb4 9. Bd2 d6 10. Be2 Bxc3 11. Bxc3 Ne4 12. Rc1 b6 13. O-O Nxc3 14. Rxc3 Bb7 15. Qd2 a5 16. Nd5 h6 17. Rd1 Ne5 18. Qd4 Nd7 19. b3 Nc5 20. Bf3 Ne6 21. Qg4 Ng5 22. Ne7+ Qxe7 23. Bxb7 Rad8 24. Bc6 Rf8 25. Rcd3 f5 26. Qh5 Kh8 27. g3 Qf6 28. Qe2 Qg6 29. Bg2 Rde8 {[%CAl Bf5f4]} 30. h4 Ne4 31. Qc2 Re7 32. a3 Qf6 33. Rd4 g5 34. h5 Nc5 35. b4 axb4 36. axb4 {Cori,J (2652)-Mareco,S (2629) Krasnaya Polyana 2021 1-0}) (6... Bb4 7. Nxc6 (7. Nde2 O-O (7... Ne4) 8. a3 $14 Be7 9. Nf4 d6 10. Be2 Ne5 11. b3 c6 12. Bb2 Bf5 13. O-O h6 14. Nd3 Qc7 15. h3 Rad8 16. f4 (16. Nf4) 16... Ned7 (16... Ng6 $15) 17. Nf2 Qb6 18. Bf3 Nc5 {Against e4} 19. b4 Nd3 $2 (19... d5 $14) 20. Nxd3 $18 Qxe3+ 21. Nf2 {Mica,M (2303)-Nasuta,G (2521) Katowice 2021 0-1 (51)}) 7... Bxc3+ 8. bxc3 dxc6 9. Qc2 (9. Qxd8+ $1 Kxd8 10. Be2) 9... Qe7 $17 10. f3 Be6 11. Rb1 (11. e4) 11... b6 12. Qa4 Bd7 13. Be2 c5 14. Qc2 O-O (14... Bc6 $19 {White must now prevent ...0-0-0.} 15. O-O Rd8) 15. O-O $15 Bc6 16. e4 Rad8 {[%CAl Rf6e4]} 17. Bg5 h6 18. Bh4 g5 19. Bf2 {½-½ (19) Gulko,B (2560)-Ivanov,A (2555) St Martin 1992}) ({RR} 6... Bb4 7. Nxc6 Bxc3+ 8. bxc3 dxc6 9. Qc2 Qe7 10. f3 Be6 11. Rb1 b6 12. Qa4 Bd7 13. Be2 c5 14. Qc2 O-O 15. O-O Bc6 16. e4 Rad8 17. Bg5 h6 18. Bh4 g5 19. Bf2 {½-½ (19) Gulko,B (2560)-Ivanov,A (2555) St Martin 1992}) ({RR} 6... Bb4 7. Nde2 O-O 8. a3 Be7 9. Nf4 d6 10. Be2 Ne5 11. b3 c6 12. Bb2 Bf5 13. O-O h6 14. Nd3 Qc7 15. h3 Rad8 16. f4 Ned7 17. Nf2 Qb6 18. Bf3 Nc5 19. b4 Nd3 20. Nxd3 Qxe3+ 21. Nf2 {Mica,M (2303)-Nasuta,G (2521) Katowice 2021 0-1 (51)}) 7. a3 $146 {[#]} (7. cxd5 Nxd5 8. Bb5 (8. Bc4 Nxc3 9. bxc3 O-O (9... Ne5 $5 {[%CAl Rc7c5]}) 10. Nxc6 bxc6 11. Bd3 (11. Qxd8 Rxd8 12. e4) 11... Qd5 $15 12. Qc2 $2 (12. e4 $15 Qc5 13. Qc2) 12... Qxg2 $19 13. Bxh7+ Kh8 14. Be4 Bf5 (14... Qh3 $19 {Strongly threatening ...Rd8.} 15. Rg1 Rb8) 15. Bxf5 $2 {[%mdl 8192]} (15. Bxg2 $15 Bxc2 16. Bxc6) 15... Qxh1+ $19 16. Ke2 Rab8 17. Be4 Qg1 18. Bf3 $2 (18. Qd1 $19 Qg4+ 19. Bf3) 18... Bh4 19. Kd3 Rfd8+ 20. Kc4 Be7 {0-1 (20) Benjamin,J (2545)-Wolff,P (2485) New York 1989}) 8... Nxc3 9. bxc3 O-O {Hoping for ...Nxd4.} 10. Nxc6 bxc6 11. Qxd8 Rxd8 12. Bc4 Rb8 {aiming for ...Bf6.} 13. Ke2 Bf6 14. Ba3 Bxc3 15. Rad1 {[%CAl Rd1d8]} Be6 16. Bxe6 fxe6 17. Rd3 Rxd3 18. Kxd3 Be5 19. Kc2 Bd6 20. Bb2 e5 21. e4 Kf7 {Adamski,J (2335)-Pinski,J (2352) Poland 2006 ½-½ (49)}) (7. Qa4 Bd7 (7... O-O) 8. cxd5 $16 Nb4 {[#]} 9. Qb3 $1 a5 (9... c6 $16) 10. Bc4 (10. a3 $18 {is more deadly.}) 10... O-O $16 11. O-O Bd6 (11... a4 $16 12. Qd1 c6) 12. a3 $18 Na6 13. Nf3 (13. Qc2 $18) 13... Nc5 {Inhibits e4.} 14. Qd1 (14. Qc2) 14... Re8 15. b3 Ng4 16. Nb5 Qf6 {Prevents Bb2.} 17. Nxd6 cxd6 18. Ra2 a4 19. b4 Ne4 20. Bb2 Qh6 {...Rac8 is the strong threat.} 21. Bd4 Rac8 {Slobodjan,R (2532)-Karpatchev,A (2380) Leutersdorf 2001 1-0 (34)}) ({RR} 7. cxd5 Nxd5 8. Bb5 Nxc3 9. bxc3 O-O 10. Nxc6 bxc6 11. Qxd8 Rxd8 12. Bc4 Rb8 13. Ke2 Bf6 14. Ba3 Bxc3 15. Rad1 Be6 16. Bxe6 fxe6 17. Rd3 Rxd3 18. Kxd3 Be5 19. Kc2 Bd6 20. Bb2 e5 21. e4 Kf7 {Adamski,J (2335)-Pinski,J (2352) Poland 2006 ½-½ (49)}) ({RR} 7. cxd5 Nxd5 8. Bc4 Nxc3 9. bxc3 O-O 10. Nxc6 bxc6 11. Bd3 Qd5 12. Qc2 Qxg2 13. Bxh7+ Kh8 14. Be4 Bf5 15. Bxf5 Qxh1+ 16. Ke2 Rab8 17. Be4 Qg1 18. Bf3 Bh4 19. Kd3 Rfd8+ 20. Kc4 Be7 {0-1 (20) Benjamin,J (2545)-Wolff,P (2485) New York 1989}) ({RR} 7. Qa4 Bd7 8. cxd5 Nb4 9. Qb3 a5 10. Bc4 O-O 11. O-O Bd6 12. a3 Na6 13. Nf3 Nc5 14. Qd1 Re8 15. b3 Ng4 16. Nb5 Qf6 17. Nxd6 cxd6 18. Ra2 a4 19. b4 Ne4 20. Bb2 Qh6 21. Bd4 Rac8 {Slobodjan,R (2532)-Karpatchev,A (2380) Leutersdorf 2001 1-0 (34)}) 7... Bg4 $6 $146 {Inaccuracy. Nxd4 was best.} (7... O-O 8. cxd5 Nxd5 9. Nxc6 bxc6 10. Bd2 Rb8 11. Qc2 Re8 12. Bd3 g6 13. O-O Nf6 {1-0 (21) Khodoskin,D (2146)-Rozumenko,A (1915) ICCF email 2013} 14. b4 Bd6 {[%CAl Ba7a5]} 15. e4 (15. h3 $14) 15... a5 16. bxa5 Ng4 17. h3 Ne5 {[#]} (17... Qh4 {remains equal.}) 18. Be2 $1 $16 Qh4 {[%CAl Bc8h3]} 19. Qc1 {And now Bg5 would win.} f6 {Inhibits Bg5.} (19... Bg4 $16) 20. f4 $18 Nf7 21. a6 {1-0 (21) Khodoskin,D (2146)-Rozumenko,A (1915) ICCF email 2013}) (7... Nxd4 8. Qxd4 c5 9. Qd1 Bg4 10. Qa4+ Bd7 11. Qd1 dxc4 12. Bxc4 O-O 13. O-O) 8. Be2 $6 {Inaccuracy. Qa4 was best.} (8. Qa4 O-O 9. cxd5 Nxd4 10. Qxd4 c6 11. f3 Bc8 12. dxc6 bxc6 13. Qxd8 Rxd8) 8... Nxd4 $2 {Mistake. Bxe2 was best.} (8... Bxe2 9. Qxe2 O-O (9... Nxd4 10. exd4 dxc4 11. Qxc4 c6 12. O-O O-O 13. Bf4 Re8 14. Rfe1)) 9. Qxd4 $2 {Mistake. Bxg4 was best.} (9. Bxg4 Nc2+ (9... Nxg4 10. Qxd4 f5 11. Qxd5 Qxd5 12. Nxd5 Bd6 13. h3 Ne5 14. b3 O-O-O) 10. Qxc2 Nxg4 11. cxd5) 9... O-O $4 {[%mdl 8192] Blunder. c5 was best.} (9... c5 10. Qd3) 10. O-O $4 {Blunder. Bxg4 was best.} (10. cxd5 Bxe2 11. Kxe2 Bd6) (10. Bxg4 c5 11. Qf4 (11. Qd1 d4 12. exd4 cxd4 13. Nd5 Nxd5 14. cxd5 Qxd5 15. O-O d3)) 10... a6 $4 {[%mdl 40960] Blunder. Bxe2 was best. Weighted Error Value: White=1.55/Black=1.54. An unexpected result. PRECISÃO LICHESS: BRANCAS 59% PRETAS 47%} (10... Bxe2) 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.20"] [White "Joao Guilherme Alves Sabadin"] [Black "Handel Scholze Marques"] [Result "0-1"] [ECO "B27"] [BlackElo "1587"] [Annotator "Stockfish 16.1"] [PlyCount "54"] [EventDate "2024.??.??"] {[%evp 17,54,4,16,-12,-9,-10,-6,-10,0,-22,1,-63,-70,-55,-59,-59,-67,-76,-75,-83,12,-127,-128,-125,-125,-226,-195,-187,-190,-344,-344,-390,-385,-406,-371,-409,-408,-430,-432]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 O-O 8. O-O d5 9. exd5 Nxd5 (9... Nb4 {looks sharper.} 10. d6 Qxd6 11. Ncb5 Qb8) 10. Nxc6 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} (10. Nxd5 {Threatens to win with Nxc6.} Qxd5 11. Bf3 Qc4 {[%CAl Rc6d4]} 12. Nxc6 bxc6 13. c3 Be6 14. Re1 {[%CAl Bd1b3]} Bd5 15. Qe2 Qxe2 16. Rxe2 e6 17. Rc1 Bc4 18. Rd2 Bd5 19. c4 Bxf3 20. gxf3 Rfb8 21. b3 a5 {½-½ (21) Guseinov,G (2661)-Mamedov,R (2646) Shusha 2022}) 10... bxc6 11. Nxd5 cxd5 12. c3 {Against d4. The position is equal.} Rb8 13. Rb1 Qa5 14. a3 $6 {Inaccuracy. a4 was best.} (14. a4 Bd7) 14... Bf5 $15 15. Bd3 Bxd3 16. Qxd3 {[#]} Rb3 $146 (16... e5 17. Rfd1 Rfd8 18. Qe2 d4 19. cxd4 exd4 20. Bf4 d3 21. Rxd3 $5 {[%CAl Rf4b8]} (21. Qe7 Re8 22. b4 $17 (22. Qd7 Rbd8 $19 (22... Red8 {½-½ (39) Tennert,S (1729)-Peters,T (1528) Willingen 2009} 23. Qc7 Qa6 {keeps the balance.} (23... Qa4 24. Rxd3 $1 $16 {[%mdl 512]} (24. Qxb8 Rxb8 25. Bxb8 Bxb2 26. Rxd3 Bf6 27. Rdb3 Bd4 28. Bg3 Bb6 29. h3 f6 (29... h5 30. h4 $14 (30. Rd3 h4 31. Bh2 {Tennert,S (1729)-Peters,T (1528) Willingen 2009 ½-½ (39)} Qc2 32. Rbd1 Qxf2+ 33. Kh1 g5 34. Bg1 Qf5 35. Bxb6 axb6 36. Rf3 Qe6 37. Rdf1 Kg7 38. Rb1 Qc8 39. Rbf1 {½-½ (39) Tennert,S (1729)-Peters,T (1528) Willingen 2009}))) 24... Qe8 25. Rxd8 Rxd8 26. h3)) 23. Qc6 Re2) 22... Qxa3 23. Qc5) 21... Rxb2 22. Rxb2 Bxb2 23. Bd2) ({RR} 16... e5 17. Rfd1 Rfd8 18. Qe2 d4 19. cxd4 exd4 20. Bf4 d3 21. Qe7 Re8 22. Qd7 Red8 23. Qc7 Qa4 24. Qxb8 Rxb8 25. Bxb8 Bxb2 26. Rxd3 Bf6 27. Rdb3 Bd4 28. Bg3 Bb6 29. h3 h5 30. Rd3 h4 31. Bh2 {Tennert,S (1729)-Peters,T (1528) Willingen 2009 ½-½ (39)}) 17. Rfd1 e6 18. Bd4 Bh6 $6 {Inaccuracy. Bxd4 was best.} (18... Bxd4 19. Qxd4 Rfb8) 19. Be3 $2 {Mistake. h4 was best.} (19. h4) 19... Bxe3 $17 20. Qxe3 Rfb8 {[%CAl Bf8b8,Bb8b5,Bb5b4][%mdl 32]} 21. Qe2 $6 {Inaccuracy. h4 was best. [#]} (21. h4 Rxb2) 21... Qb5 $1 $19 22. Qxb5 R8xb5 {KRR-KRR} 23. Rd2 $6 {Inaccuracy. g4 was best.} (23. h4 {is a better defense.}) (23. g4 Rxb2 24. Rxb2 Rxb2 25. Rd4 Rc2 26. Ra4 Rxc3 27. Rxa7 h5 28. g5 h4) 23... Rxc3 24. a4 {Ra1 is the strong threat.} Rb4 25. a5 Rcb3 26. Kf1 Rb5 27. Ke1 Rxa5 {Weighted Error Value: White=0.48/Black=0.16 (very precise) PRECISÃO LICHESS: BRANCAS 89% PRETAS 97%} 0-1 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.21"] [White "Wellington, Correa Soares"] [Black "Carlos Alberto Braga Mendes"] [Result "1-0"] [ECO "C42"] [WhiteElo "1298"] [BlackElo "1374"] [Annotator "Stockfish 16.1"] [PlyCount "21"] [EventDate "2024.??.??"] {[%evp 15,20,156,156,106,169,171,29999]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 d5 $6 {Inaccuracy. Nxc3 was best.} (5... Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 Re8 9. O-O-O Nd7 10. Bd3) 6. Qe2 Be6 (6... Be7 7. Nxe4 dxe4 8. Qxe4 O-O 9. Bc4 Bd6 10. O-O Re8 11. Qd5 Be6 12. Qb5 Bg4 13. Ng5 Re7 14. h3 Bd7 15. Qb3 Qe8 16. d4 Nc6 17. Qd3 g6 18. Qd1 Bf5 19. c3 h6 20. Nf3 Kg7 21. Bd3 {Saveljev,V (2265)-Skatchkov,P (2485) Tomsk 2002 1-0 (34)}) ({RR} 6... Be7 7. Nxe4 dxe4 8. Qxe4 O-O 9. Bc4 Bd6 10. O-O Re8 11. Qd5 Be6 12. Qb5 Bg4 13. Ng5 Re7 14. h3 Bd7 15. Qb3 Qe8 16. d4 Nc6 17. Qd3 g6 18. Qd1 Bf5 19. c3 h6 20. Nf3 Kg7 21. Bd3 {Saveljev,V (2265)-Skatchkov,P (2485) Tomsk 2002 1-0 (34)}) 7. Nxe4 dxe4 8. Qxe4 Qd5 {[#]} (8... Nc6 {8...?e7 1.52} 9. Bc4 $18 (9. Bb5 Qd6 (9... Qd5 10. Bxc6+ bxc6 11. Qe5 (11. d3 $1 $16) 11... O-O-O 12. O-O (12. d3 $14) 12... Bd6 (12... Bg4 $5 {[%CAl Rg4f3]} 13. Qxd5 Rxd5 $14) 13. Qxd5 Bxd5 14. Nd4 Rhe8 15. d3 Be5 16. Nf3 (16. Nb3 $14) 16... Bf6 (16... Bxf3 $5 17. gxf3 Bf6) 17. Be3 Bxb2 (17... Bxf3 $5 18. gxf3 Bxb2) 18. Rab1 Bf6 19. Bxa7 Bxa2 20. Rb8+ Kd7 21. Rxd8+ Kxd8 22. Bd4 Bd5 (22... Bxd4 23. Nxd4 Kd7) 23. Bxf6+ {Schaffner,L (1553)-Maier,M (1412) Playchess.com INT 2020 ½-½}) 10. Nd4 $18 {[%CAl Rd4c6]} Qd5 11. d3 O-O-O 12. Nxc6 bxc6 13. Bxc6 Qa5+ 14. Bd2 Qb6 15. Bc3 Bc5 16. O-O Rd6 17. Ba4 Bd5 18. Qg4+ Kb7 (18... Kb8) 19. g3 $18 h5 20. Qxg7 $2 (20. Qh4 $1 $18 a5 21. Bb3) 20... Rhh6 $2 {[%mdl 8192]} (20... h4 $1 21. Bb3 hxg3 22. Bxd5+ Rxd5 23. hxg3 Rh3) 21. Bb3 Bxb3 (21... Bc6 22. Rad1 Bf3) 22. axb3 $18 h4 {And now ...hxg3 would win.} 23. Qe5 Rhe6 24. Qf4 Qc6 {Hoping for ...h3.} 25. Qxh4 f5 26. Qh3 f4 27. Qg2 f3 28. Qh3 Re2 29. Qg4 Rg6 30. Qf4 Bd6 31. Qa4 Qb6 {[%CAl Bd6g3]} 32. d4 $2 (32. Bd4 $18 Bc5 33. Bxc5 Qxc5 34. Qf4 Rxc2 35. Rac1 Rxc1 36. Rxc1) 32... Rxc2 $2 {[%mdl 8192]} (32... Bxg3 $1 33. Ba5 Bxf2+ 34. Kh1 Bg3 35. Rxf3 Rxh2+ 36. Kg1 Bf4+ 37. Rg3 Rxg3+ 38. Kf1 Rf3+ 39. Ke1 Qe6+ 40. Kd1 Qe2#) 33. Ba5 Qa6 34. Qe8 Bxg3 $2 (34... Qd3 35. Qd7 Rg5) 35. Qe4+ $1 $18 Rcc6 {[%CAl Bg3h2]} 36. hxg3 Rgf6 37. d5 Rcd6 38. Bb4 {Dominikova,D (1301)-Hrbkova,J (1254) Teplice 2023 1-0})) ({RR} 8... Nc6 9. Bb5 Qd5 10. Bxc6+ bxc6 11. Qe5 O-O-O 12. O-O Bd6 13. Qxd5 Bxd5 14. Nd4 Rhe8 15. d3 Be5 16. Nf3 Bf6 17. Be3 Bxb2 18. Rab1 Bf6 19. Bxa7 Bxa2 20. Rb8+ Kd7 21. Rxd8+ Kxd8 22. Bd4 Bd5 23. Bxf6+ {Schaffner,L (1553)-Maier,M (1412) Playchess.com INT 2020 ½-½}) 9. Bd3 $146 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} (9. Qxd5 Bxd5 10. Be2 Nd7 (10... Bd6 11. O-O O-O 12. b3 (12. d4 $16) 12... Nc6 (12... Re8 $14 13. Bc4 Bxf3 14. gxf3 Nc6) 13. Bb2 a6 14. Nd4 (14. Rfd1 $16) 14... Rfe8 15. Bg4 $2 {[%mdl 8192]} (15. Rae1 $14 {stays ahead.}) 15... Ne5 $2 (15... Nxd4 $1 $19 16. Bxd4 Re4) 16. Bh3 $16 Ng6 (16... g6 $1 $14) 17. Nf5 (17. g3 $1 $16) 17... Be5 (17... Nf4 {remains equal.}) 18. Bxe5 $16 Rxe5 19. Ne3 {Threatens to win with f4.} Bc6 20. d4 Re7 21. d5 Be8 (21... Bd7) 22. Rfe1 Nf4 23. Bg4 g6 {Iliopoulos,A (2053)-Mitsakos,A (1907) Athens 2005 1-0 (39)} (23... Ng6 {might work better.} 24. c4 Bd7 25. Bxd7 Rxd7)) (10... Nc6 11. c3 Bd6 (11... O-O-O 12. d4 Bd6 13. Be3 f5 14. O-O Rhe8 15. Rfe1 h6 16. h4 f4 {1-0 (68) Ramos Alvarez,M (1865)-Roche Peris,E (1758) Barcelona 2017} 17. Bd2 g5 18. hxg5 hxg5 19. Nh2 Rh8 20. Bg4+ Kb8 {[#]} 21. Be6 $1 f3 (21... Ne7 22. Nf3 Rh5) 22. Ng4 Bxe6 23. Rxe6 fxg2 24. Kxg2 Bf4 25. Bxf4 gxf4 26. Rh1 $2 (26. Kf3 $18 {is more deadly.}) 26... f3+ $16 27. Kg1 {Black must now prevent Rxh8.} Rhg8 28. Rh4 a6 {[#]} (28... Na5 $16) 29. Kh2 $1 $18 Nxd4 (29... Rd5 {was called for.} 30. Ne3 Rdg5) 30. cxd4 $18 Rxd4 31. Kg3 Rd2 32. Re3 Rxb2 33. a3 Rb1 34. Kxf3 Rf8+ 35. Ke4 c5 36. f4 Rf1 37. Ne5 {Nd7+ is the strong threat.} Ka7 38. Rf3 Rd1 {Ramos Alvarez,M (1865)-Roche Peris,E (1758) Barcelona 2017 1-0 (68)}) 12. d4 O-O 13. Be3 Ne7 (13... Rfe8 $16) 14. c4 $1 $18 {[%CAl Rc4d5]} Bb4+ 15. Bd2 Bxd2+ 16. Kxd2 Be4 17. Kc3 Rac8 18. Rad1 Rfd8 19. Rhe1 f6 20. g3 Bg6 21. Nh4 Be8 22. Bf3 Nc6 23. Nf5 Bg6 {Barreto Filho,C (2273)-Duarte Guimaraes,R (1715) Cidade do Salvador 2009 0-1 (37)} (23... Kf7 24. Ne3 a5)) 11. O-O O-O-O 12. d4 c5 13. Be3 c4 (13... a6 {keeps fighting.} 14. Rfd1 Be7) 14. c3 Bd6 (14... Nb6 15. b3 Kb8) 15. Nd2 $18 b5 16. a4 {1-0 (16) Horak,I (2127)-Gajarsky,R (2008) Slovakia 2006}) ({RR} 9. Qxd5 Bxd5 10. Be2 Nd7 11. O-O O-O-O 12. d4 c5 13. Be3 c4 14. c3 Bd6 15. Nd2 b5 16. a4 {1-0 (16) Horak,I (2127)-Gajarsky,R (2008) Slovakia 2006}) ({RR} 9. Qxd5 Bxd5 10. Be2 Bd6 11. O-O O-O 12. b3 Nc6 13. Bb2 a6 14. Nd4 Rfe8 15. Bg4 Ne5 16. Bh3 Ng6 17. Nf5 Be5 18. Bxe5 Rxe5 19. Ne3 Bc6 20. d4 Re7 21. d5 Be8 22. Rfe1 Nf4 23. Bg4 g6 {Iliopoulos,A (2053)-Mitsakos,A (1907) Athens 2005 1-0 (39)}) ({RR} 9. Qxd5 Bxd5 10. Be2 Nc6 11. c3 Bd6 12. d4 O-O 13. Be3 Ne7 14. c4 Bb4+ 15. Bd2 Bxd2+ 16. Kxd2 Be4 17. Kc3 Rac8 18. Rad1 Rfd8 19. Rhe1 f6 20. g3 Bg6 21. Nh4 Be8 22. Bf3 Nc6 23. Nf5 Bg6 {Barreto Filho,C (2273)-Duarte Guimaraes,R (1715) Cidade do Salvador 2009 0-1 (37)}) 9... Bc5 $6 {Inaccuracy. Nc6 was best. Against Nd4} (9... Nc6) 10. O-O $18 O-O $4 {Checkmate is now unavoidable. Nc6 was best.} (10... Nc6 11. b3 (11. Qxd5) 11... O-O-O) 11. Qxh7# {Weighted Error Value: White=0.20 (precise) /Black=1.89 PRECISÃO LICHESS: BRANCAS 96% PRETAS 63%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.22"] [White "Johann Rosseto Estebanez"] [Black "Gabriel Silva Cosme"] [Result "1/2-1/2"] [ECO "A00"] [BlackElo "1577"] [Annotator "Stockfish 16.1"] [PlyCount "34"] [EventDate "2024.??.??"] {[%evp 11,34,17,18,19,33,6,13,-14,-15,-16,-18,-24,3,-12,0,-28,23,-79,0,-73,-78,-92,-92,-88,-66]} 1. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. Be2 (4. d4 d6 5. c4 e5 6. dxe5 Ng4 7. Nf3 Nc6 8. Qd2 Ngxe5 9. Nxe5 dxe5 10. Qxd8+ Nxd8 11. Nc3 Ne6 12. O-O-O a5 13. a3 f5 14. c5 axb4 15. axb4 c6 16. Bc4 Ke7 17. Bb3 Bf6 18. Na4 Nc7 {Balaji,A (2334)-Sarana,A (2685) chess.com INT 2023 1-0}) (4. f4 O-O 5. Nf3 d6 6. Be2 Nc6 7. b5 Nb8 8. O-O c5 9. c4 Nbd7 10. a4 b6 11. Qc2 Bb7 12. Nc3 a5 13. h3 e6 14. d3 d5 15. Rad1 Qe7 16. Ne5 Nxe5 17. fxe5 Nd7 18. d4 dxc4 {Corona Monraz,R (1949)-Coca Cubillos,J (1944) chess.com INT 2024 0-1 (35)}) ({RR} 4. d4 d6 5. c4 e5 6. dxe5 Ng4 7. Nf3 Nc6 8. Qd2 Ngxe5 9. Nxe5 dxe5 10. Qxd8+ Nxd8 11. Nc3 Ne6 12. O-O-O a5 13. a3 f5 14. c5 axb4 15. axb4 c6 16. Bc4 Ke7 17. Bb3 Bf6 18. Na4 Nc7 {Balaji,A (2334)-Sarana,A (2685) chess.com INT 2023 1-0}) ({RR} 4. f4 O-O 5. Nf3 d6 6. Be2 Nc6 7. b5 Nb8 8. O-O c5 9. c4 Nbd7 10. a4 b6 11. Qc2 Bb7 12. Nc3 a5 13. h3 e6 14. d3 d5 15. Rad1 Qe7 16. Ne5 Nxe5 17. fxe5 Nd7 18. d4 dxc4 {Corona Monraz,R (1949)-Coca Cubillos,J (1944) chess.com INT 2024 0-1 (35)}) 4... O-O 5. Nf3 $146 (5. c4 b6 6. f4 Bb7 7. Bf3 Nc6 8. a3 d6 9. b5 Na5 10. Bxb7 Nxb7 11. d4 d5 12. Qf3 e6 13. h3 Nd6 14. Nd2 Nfe4 15. cxd5 Nxd2 16. Kxd2 Nc4+ 17. Kc3 exd5 18. Rd1 Re8 19. Rd3 a6 {Stolzenwald,F (1565)-Hippen,M (1773) Hamburg 2013 0-1}) (5. f4 e6 6. Nf3 d5 7. b5 a6 8. a4 c5 9. O-O Nbd7 10. Ne5 Ne4 11. Nc3 Ndf6 12. Bf3 Nd6 13. Ba3 b6 14. Nc6 Qc7 15. Ra2 axb5 16. axb5 Nxb5 17. Nxb5 Qxc6 18. c4 Bb7 19. Nc3 Rfd8 {Hagara,E-Feranec,M Stary Smokovec 1996 1-0}) (5. h4 d6 6. c4 h5 7. d3 e5 8. Nd2 Re8 9. Ne4 Nbd7 10. Nf3 Qe7 11. Qd2 c6 12. a4 d5 13. cxd5 cxd5 14. Neg5 e4 15. Nd4 Ne5 16. b5 Bg4 17. Ba3 Qd8 18. f3 exd3 19. Bxd3 Bd7 {Bach,M (2315)-Rodriguez Lopez,R (2266) Budapest 2012 0-1 (58)}) ({RR} 5. c4 b6 6. f4 Bb7 7. Bf3 Nc6 8. a3 d6 9. b5 Na5 10. Bxb7 Nxb7 11. d4 d5 12. Qf3 e6 13. h3 Nd6 14. Nd2 Nfe4 15. cxd5 Nxd2 16. Kxd2 Nc4+ 17. Kc3 exd5 18. Rd1 Re8 19. Rd3 a6 {Stolzenwald,F (1565)-Hippen,M (1773) Hamburg 2013 0-1}) ({RR} 5. f4 e6 6. Nf3 d5 7. b5 a6 8. a4 c5 9. O-O Nbd7 10. Ne5 Ne4 11. Nc3 Ndf6 12. Bf3 Nd6 13. Ba3 b6 14. Nc6 Qc7 15. Ra2 axb5 16. axb5 Nxb5 17. Nxb5 Qxc6 18. c4 Bb7 19. Nc3 Rfd8 {Hagara,E-Feranec,M Stary Smokovec 1996 1-0}) ({RR} 5. h4 d6 6. c4 h5 7. d3 e5 8. Nd2 Re8 9. Ne4 Nbd7 10. Nf3 Qe7 11. Qd2 c6 12. a4 d5 13. cxd5 cxd5 14. Neg5 e4 15. Nd4 Ne5 16. b5 Bg4 17. Ba3 Qd8 18. f3 exd3 19. Bxd3 Bd7 {Bach,M (2315)-Rodriguez Lopez,R (2266) Budapest 2012 0-1 (58)}) 5... d5 6. O-O Nbd7 7. c4 {A05: Réti Opening: 1 Nf3 Nf6.} c5 (7... c6 8. d4 a5 9. b5 cxb5 10. cxb5 a4 11. Ne5 (11. Nbd2 $14) 11... Ne4 12. Qe1 Qc7 {[%CAl Rd7e5]} 13. Nxd7 Bxd7 14. Ba3 Rfc8 15. Bxe7 Bxb5 16. Bb4 (16. Bxb5 $15 Qxe7 17. Bd3) 16... Bxe2 $17 17. Qxe2 Qc4 (17... Bf8 18. Bxf8 Kxf8) 18. Qb2 {[#]} h5 (18... Bf8 $1 $17 19. Bxf8 Kxf8) 19. Na3 (19. Nd2 Qd3 20. Nxe4) 19... Qa6 $17 20. Rfc1 Rc6 21. f3 Ng5 22. Rxc6 bxc6 23. Rc1 Ne6 24. Qd2 Rb8 25. Nc2 Qc4 26. a3 $1 Bh6 27. Ne1 Qb5 28. f4 Bg7 {½-½ (28) Azaladze,S (2443)-Mamedov,R (2660) Baku 2010} (28... Ng7)) 8. b5 {[#]} (8. bxc5 {is more complex.} Nxc5 9. cxd5 Nxd5 10. Bxg7 Kxg7 11. Qc2) 8... a6 $146 (8... b6 9. d3 a6 10. a4 a5 11. Nbd2 Bb7 12. Qb3 Qc7 13. h3 e5 14. cxd5 Nxd5 (14... Bxd5 {1-0 (35) Mittelbachert,U-Kowallik,J Ruhrgebiet 1997} 15. Nc4 Ne8 16. e4 Bb7 17. Nfd2 Kh8 18. g3 f5 {[#]} (18... Nd6 $16 {is a better defense.}) 19. f4 $2 (19. exf5 $1 $18 Rxf5 20. Ne3) 19... fxe4 (19... exf4 $1 20. Rxf4 fxe4) 20. fxe5 $16 Rxf1+ (20... e3 $16 {might work better.}) 21. Rxf1 $18 exd3 22. Bf3 Nf8 23. Bxb7 Qxb7 24. Nd6 $2 (24. Qxd3 $18 {Threatens to win with Ne4.} Ne6 25. Ne4) 24... Nxd6 25. exd6 {Rf7 is the strong threat.} Bxb2 26. Qxb2+ Qg7 27. Qxg7+ Kxg7 28. Rf3 Nd7 {White must now prevent ...Ne5.} 29. Rxd3 Re8 {Against Re3} 30. Nc4 Kg8 31. Kg2 Re4 32. Nxb6 $1 Nxb6 $2 {[%mdl 8192]} (32... c4 $1 {and Black stays safe.} 33. Nxd7 Re2+ 34. Kf3 cxd3) 33. d7 $18 Nxd7 34. Rxd7 {And now b6 would win.} Rxa4 $2 (34... Rb4 35. Kf3 Kf8) 35. b6 {1-0 (35) Mittelbachert,U-Kowallik,J Ruhrgebiet 1997}) 15. Nc4 Rad8) 9. a4 {The position is equal.} axb5 10. axb5 Rxa1 11. Bxa1 b6 12. Nc3 Bb7 13. Bb2 Ne4 (13... dxc4 14. Bxc4 Qc7) 14. Nxe4 $6 {Inaccuracy. cxd5 was best.} (14. cxd5 Nef6 15. Qa1) 14... Bxb2 $6 {Inaccuracy. dxe4 was best.} (14... dxe4 15. Bxg7 exf3 16. Bxf8 fxe2 17. Qxe2 Nxf8) 15. Ng3 $6 {Inaccuracy. cxd5 was best.} (15. cxd5 Bxd5 16. Nc3 Bxc3 17. dxc3 Bb7 18. c4 Qc8 19. Qa1 Rd8 20. Rd1 Qc7) 15... Bg7 $17 {Black is better.} 16. Qa4 Qa8 17. Qc2 Ne5 {Weighted Error Value: White=0.41/Black=0.20 (precise) PRECISÃO LICHESS: BRANCAS 88% PRETAS 92%} 1/2-1/2 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.23"] [White "Luiz Jose Vieira Da Cruz"] [Black "Jose Lourenco Kallas"] [Result "1-0"] [ECO "B06"] [WhiteElo "1435"] [BlackElo "1278"] [Annotator "Stockfish 16.1"] [PlyCount "57"] [EventDate "2024.??.??"] {[%evp 9,57,103,127,49,111,96,150,117,171,119,130,103,127,116,193,156,227,180,180,185,189,173,165,166,160,151,198,189,207,148,158,126,126,111,124,116,221,186,171,172,257,223,225,207,230,230,212,0,0,4]} 1. e4 g6 2. d4 Bg7 3. Nf3 e6 4. Bd3 Ne7 5. Nc3 (5. c3 b6 6. Nbd2 Bb7 7. h4 h6 8. Qe2 d6 9. Nf1 Nd7 10. Ng3 c5 11. O-O Qc7 12. a4 a6 13. Be3 Nf6 14. Nd2 Nc6 15. Rac1 Qe7 16. Nc4 Nd7 17. Bf4 e5 18. dxe5 Ncxe5 19. Rfd1 Nxc4 {Andreikin,D (2725)-Anurag,M (2499) Chess.com INT 2021 0-1 (69)}) (5. O-O d5 6. e5 c5 7. c3 Nbc6 8. Na3 a6 9. Re1 cxd4 10. cxd4 O-O 11. Nc2 f6 12. b3 fxe5 13. dxe5 Rxf3 14. gxf3 Nxe5 15. Rb1 N7c6 16. Bf1 Qh4 17. Bg2 Bd7 18. Ne3 Rf8 19. Bb2 h5 {Wang,H-Hu,Z (1641) Shanghai CHN 2024 ½-½}) ({RR} 5. c3 b6 6. Nbd2 Bb7 7. h4 h6 8. Qe2 d6 9. Nf1 Nd7 10. Ng3 c5 11. O-O Qc7 12. a4 a6 13. Be3 Nf6 14. Nd2 Nc6 15. Rac1 Qe7 16. Nc4 Nd7 17. Bf4 e5 18. dxe5 Ncxe5 19. Rfd1 Nxc4 {Andreikin,D (2725)-Anurag,M (2499) Chess.com INT 2021 0-1 (69)}) ({RR} 5. O-O d5 6. e5 c5 7. c3 Nbc6 8. Na3 a6 9. Re1 cxd4 10. cxd4 O-O 11. Nc2 f6 12. b3 fxe5 13. dxe5 Rxf3 14. gxf3 Nxe5 15. Rb1 N7c6 16. Bf1 Qh4 17. Bg2 Bd7 18. Ne3 Rf8 19. Bb2 h5 {Wang,H-Hu,Z (1641) Shanghai CHN 2024 ½-½}) 5... d5 (5... O-O 6. O-O (6. h4 $16) 6... d5 7. Be3 (7. Bf4 $16) 7... b6 (7... c5 $1 {keeps the balance.}) 8. h3 Bb7 {[%CAl Bc7c5]} 9. Qd2 (9. e5 $14) 9... Nd7 (9... c5 $5 {[%CAl Rb8c6]}) 10. Rad1 Nf6 (10... c5) 11. e5 $16 Ne4 12. Qe1 Qd7 13. Bc1 Nxc3 14. Qxc3 Qa4 $2 {[%mdl 8192]} (14... c5 $16 {is tougher.}) 15. Qxc7 $18 Qc6 16. Qxc6 $2 (16. Qxe7 f6 17. exf6 Bxf6 18. Qa3) 16... Nxc6 $18 17. Bd2 a5 18. Ra1 {½-½ (18) Dubov,D (2710)-Afanasiev,N (2533) Sochi 2023} (18. c3 $18)) 6. e5 $146 {B06: Modern Defence.} (6. O-O O-O 7. Re1 Nbc6 8. Be3 Nb4 {[%CAl Bc7c5]} 9. Rc1 Nxd3 (9... dxe4 {remains equal.} 10. Bxe4 f5) 10. cxd3 $16 c6 11. b4 b5 (11... h6 $14) 12. e5 h6 13. a3 a6 (13... a5 $16) 14. Rb1 (14. Ne2 $18) 14... Bd7 15. Bf4 (15. Ne2 $16) 15... g5 $14 16. Bxg5 $2 {[%mdl 8192]} (16. Be3 $14 {stays ahead.}) 16... hxg5 $19 17. Nxg5 {White threatens Qh5 and mate.} f6 18. exf6 Bxf6 19. Nf3 (19. Qh5 $17 Bxg5 20. Qxg5+ Kf7 21. Qh5+ Kg7 22. Qe5+ Kg8 23. Qg5+ Kf7 24. Qh5+ Kg7 25. Qe5+ Rf6 26. Re3) 19... Ng6 $19 20. Ne5 Qe8 {Duarte,G-Belle,D Florianopolis 2019 0-1 (38)}) (6. h4 $16) ({RR} 6. O-O O-O 7. Re1 Nbc6 8. Be3 Nb4 9. Rc1 Nxd3 10. cxd3 c6 11. b4 b5 12. e5 h6 13. a3 a6 14. Rb1 Bd7 15. Bf4 g5 16. Bxg5 hxg5 17. Nxg5 f6 18. exf6 Bxf6 19. Nf3 Ng6 20. Ne5 Qe8 {Duarte,G-Belle,D Florianopolis 2019 0-1 (38)}) 6... a6 (6... c5 $14) 7. Bf4 Nbc6 $6 {Inaccuracy. c5 was best. [#]} (7... c5 8. dxc5 Qa5 9. h4 h6 10. O-O Nd7 11. Re1 Nxc5 12. Qd2) 8. O-O $146 {White is clearly better.} (8. a4 h6 (8... Nf5 9. Bg5 f6 10. exf6 Bxf6 11. Bxf6 Qxf6 12. Bxf5 gxf5 13. O-O Bd7 14. Qd2 {0-1 (35) Baltagaru,M (1001)-Antal,A (1191) Calimanesti 2015} Rg8 15. Qf4 (15. b4 $16) 15... Qg6 $2 (15... O-O-O $1 $15 {keeps the upper hand.}) 16. Nh4 $2 {[%mdl 8192]} (16. g3 $16 {and life is bright.}) 16... Qg4 $19 17. Ne2 $2 (17. Qxg4 {was necessary.} Rxg4 18. Nf3) 17... Qxe2 $19 18. Rac1 Qg4 19. Qh6 Qg7 20. Qh5+ Qf7 21. Qxf7+ Kxf7 22. c3 Rg4 23. Nf3 Rg7 24. Rfe1 Rag8 25. g3 Re8 26. Ne5+ Nxe5 27. Rxe5 Bxa4 28. Ra1 Bd7 29. b4 Bb5 30. Kg2 h5 31. h4 Rh8 32. Ree1 Bd7 33. f4 Rhg8 34. Re5 Ra8 35. Ra2 b6 {0-1 (35) Baltagaru,M (1001)-Antal,A (1191) Calimanesti 2015})) 8... Nf5 (8... h6 $16 {keeps fighting.}) 9. Bxf5 (9. Ne2 $18) 9... exf5 $16 10. Qd2 Be6 11. Bh6 O-O $6 {Inaccuracy. Bxh6 was best.} (11... Bxh6 12. Qxh6 Qe7 13. Ne2 O-O-O 14. c3 Rdg8 15. Ng5 Qf8 16. Qxf8+ Rxf8 17. Nf4) 12. Ne2 b5 (12... Re8 $16 13. Bxg7 Kxg7) 13. Bxg7 Kxg7 14. Nf4 h6 15. Qc3 Qd7 16. Qe3 Na5 17. b3 Rac8 18. h4 c6 19. Nh2 Qe7 20. Qg3 Nb7 21. Nh5+ Kh8 22. Nf6 {Black must now prevent h5.} Kg7 $6 {Inaccuracy. Nd6 was best.} (22... Rfd8 $16) (22... Nd6 23. Qf4) 23. Rfe1 c5 24. c3 c4 (24... b4 {is a better defense.} 25. cxb4 cxd4) 25. Re3 a5 26. Qf4 Rh8 27. Rg3 b4 28. Re3 $4 {Blunder. bxc4 was best. [#]} (28. cxb4 $18 {aiming for h5.} axb4 29. h5) (28. bxc4 Rxc4 29. Nf1 bxc3 30. Ne3 Rc6 31. Nfxd5 Qa3 32. Rf1 Kf8 33. Nf6 Qa4) 28... cxb3 29. axb3 {[%mdl 32768] Weighted Error Value: White=0.37/Black=0.30. Loss on time!? PRECISÃO LICHESS: BRANCAS 90% PRETAS 92%} 1-0 [Event "ABERTO DE XADREZ TTC 2024"] [Site "Rio de Janeiro"] [Date "2024.08.03"] [Round "3.24"] [White "Paulo Henrique Pfitzner"] [Black "Lucas do Nasc. de Araujo"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "1407"] [Annotator "Stockfish 16.1"] [PlyCount "84"] [EventDate "2024.??.??"] {[%evp 9,84,35,83,-2,-3,-62,31,-356,-80,-78,-83,-80,-60,-49,-60,-56,1,-58,65,-103,-13,-14,-12,-16,-19,-23,118,34,32,-71,38,39,37,35,154,132,197,202,439,441,648,636,643,636,643,634,639,625,616,613,703,608,603,602,604,603,591,578,604,583,590,0,0,0,234,246,240,16,15,14,12,6,25,0,6,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bg5 e6 5. e4 h6 (5... Be7 6. Bxf6 Bxf6 7. Bb5 O-O {[%CAl Bc6d4]} 8. O-O Nb8 9. Qd2 b6 10. Rfe1 c6 11. Bd3 Ba6 12. Rad1 Bxd3 13. Qxd3 Nd7 14. Ne2 Qc7 15. c3 (15. e5 $5 {[%CAl Re5f6]} Be7 16. c4 $14) 15... dxe4 16. Qxe4 c5 17. Nf4 cxd4 18. Nxd4 Bxd4 19. Qxd4 Nf6 20. Qd6 Qb7 21. Rd4 Rac8 22. Nd3 Qa8 23. Ne5 Rcd8 24. Qb4 Rxd4 25. Qxd4 Rd8 26. Qa4 h6 27. h3 Rd2 28. Nc4 Rd8 29. Ne5 Qb7 30. Rd1 Rd5 31. Nf3 b5 {½-½ (31) Fawzy,A (2535)-Aravindh,C (2649) Doha 2023}) (5... dxe4 6. Nxe4 Be7 7. Bxf6 gxf6 8. c3 Qd5 (8... f5 9. Ng3 h5 10. h4 Bd7 11. Bc4 Na5 (11... Bd6 {keeps the balance.}) 12. Bd3 (12. Be2 $5 {[%CAl Rb2b4]}) 12... c5 13. dxc5 (13. d5 $14) 13... Qc7 14. b4 Nc6 15. Qe2 Bf6 16. Rc1 (16. O-O $1 O-O-O 17. Rfc1) 16... O-O-O $15 17. O-O Rdg8 (17... Ne5 $15) 18. b5 Ne5 $1 19. c6 $1 bxc6 20. bxc6 $2 {Kaminski,V (2247)-Tabuenca Mendataurigoitia,D (2360) chess.com INT 2024 0-1 (42)} (20. Rfd1)) 9. Bd3 b6 10. Qe2 Bb7 11. Bc4 Qf5 {[%CAl Bc6d4]} 12. Ng3 $1 {[%CAl Rg3f5]} Qf4 13. d5 (13. Ba6 $1 $16 {[%CAl Ra6b7]} O-O-O 14. a4) 13... Na5 (13... Ne5 $14 14. Nxe5 Qxe5) 14. Bb5+ $16 c6 15. dxc6 Nxc6 16. Nd4 $1 Rc8 17. O-O $1 O-O (17... Rg8 $16 18. Rae1 Rg6) 18. Bxc6 $18 Rxc6 19. Nxc6 Bxc6 20. Rfd1 {Berezjuk,S (2405)-Mudrak,J (2285) Czech Republic 1999 0-1}) ({RR} 5... dxe4 6. Nxe4 Be7 7. Bxf6 gxf6 8. c3 Qd5 9. Bd3 b6 10. Qe2 Bb7 11. Bc4 Qf5 12. Ng3 Qf4 13. d5 Na5 14. Bb5+ c6 15. dxc6 Nxc6 16. Nd4 Rc8 17. O-O O-O 18. Bxc6 Rxc6 19. Nxc6 Bxc6 20. Rfd1 {Berezjuk,S (2405)-Mudrak,J (2285) Czech Republic 1999 0-1}) ({RR} 5... dxe4 6. Nxe4 Be7 7. Bxf6 gxf6 8. c3 f5 9. Ng3 h5 10. h4 Bd7 11. Bc4 Na5 12. Bd3 c5 13. dxc5 Qc7 14. b4 Nc6 15. Qe2 Bf6 16. Rc1 O-O-O 17. O-O Rdg8 18. b5 Ne5 19. c6 bxc6 20. bxc6 {Kaminski,V (2247)-Tabuenca Mendataurigoitia,D (2360) chess.com INT 2024 0-1 (42)}) 6. Bh4 $6 {Inaccuracy. Bxf6 was best. C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} (6. Bxf6 gxf6 7. exd5 (7. Bb5 dxe4 8. Nxe4 f5 9. Nc3 Bd7 10. O-O Bg7) 7... exd5 8. Bb5) 6... g5 7. Bg3 (7. exd5 exd5 8. Bg3) 7... Bb4 $146 {Inaccuracy. Nxe4 was best. [#]} (7... dxe4 8. Nd2 (8. Ne5) 8... Qxd4 $2 {[%mdl 8192]} (8... a6 $15 9. h4 g4) 9. Nb5 $18 Qxb2 10. Nxc7+ Ke7 {[%CAl Bc6d4]} 11. Nxa8 (11. Rb1 $18 Qc3 12. Rb3) 11... Nd4 $16 12. Rc1 $1 {Strongly threatening c3.} Nd5 $2 (12... Qc3 $16) 13. Nc4 Qc3+ 14. Qd2 Bg7 15. Qxc3 Nxc3 16. Bd6+ Kd7 17. Be5 Bxe5 18. Nxe5+ Ke7 19. Nc7 $2 (19. Kd2 $1 $18 {[%CAl Rd2c3]} Nd5 20. c4) 19... Rd8 {[%CAl Bd4c2] ( ? ...Nxc2+!)} 20. a4 $2 {[%mdl 8192]} (20. Bc4 $14) 20... Nxc2+ {0-1 (20) De Pauli,F-Montoro,G Villa Ballester 1992}) (7... Nxe4 8. Nxe4 dxe4 9. Ne5 Qxd4 10. Nxc6 Qxd1+ 11. Rxd1 bxc6 12. Bxc7) ({RR} 7... dxe4 8. Nd2 Qxd4 9. Nb5 Qxb2 10. Nxc7+ Ke7 11. Nxa8 Nd4 12. Rc1 Nd5 13. Nc4 Qc3+ 14. Qd2 Bg7 15. Qxc3 Nxc3 16. Bd6+ Kd7 17. Be5 Bxe5 18. Nxe5+ Ke7 19. Nc7 Rd8 20. a4 Nxc2+ {0-1 (20) De Pauli,F-Montoro,G Villa Ballester 1992}) 8. Qd3 $4 $146 {Blunder. exd5 was best.} (8. exd5 exd5 9. Bb5 O-O 10. O-O Bxc3 11. bxc3 Bg4 12. Re1 Ne4 13. c4 Bxf3) (8. e5 Ne4 9. Qd3 Bd7 10. Nd2 (10. Be2 Qe7 11. a3 Bxc3+ 12. bxc3 O-O-O 13. O-O Na5 $15 (13... f6 14. exf6 Qxf6 {½-½ (29) Siewert,P-Karg,O Germany 1999} 15. Ne5 (15. Rab1 $18 {[%CAl Bd3a6] And now Qa6! would win.} Rdf8 16. Be5 Nxe5 17. Nxe5) 15... Nxg3 16. fxg3 Qg7 $2 {[%mdl 8192]} (16... Nxe5 {and Black has nothing to worry.} 17. Rxf6 Nxd3 18. Bxd3 Rdf8) 17. Nf7 $18 Rhg8 {Threatens to win with ...Rdf8.} 18. Nxd8 Rxd8 19. Bh5 Be8 20. Bxe8 Rxe8 21. Rab1 b6 22. Qb5 Kb7 23. a4 {Hoping for a5.} a5 (23... a6 24. Qc5 Nb8) 24. Rf2 Rd8 25. Rbf1 h5 26. Rf7 Qg8 27. R7f6 h4 28. gxh4 gxh4 29. h3 {½-½ (29) Siewert,P-Karg,O Germany 1999}))) 8... Bxc3+ $4 {Blunder. dxe4 was best.} (8... dxe4 9. Qe3 Nd5 10. Qxe4 Nxc3 11. Qd3 Ne4+ 12. c3 Nxg3 13. hxg3 Bf8 14. O-O-O) 9. Qxc3 $17 Nxe4 10. Qe3 Nxg3 11. hxg3 {[%CAl Bf3g5]} f6 12. Bb5 Bd7 $6 {Inaccuracy. Qd6 was best.} (12... Qd6 13. O-O-O (13. Bxc6+) 13... Bd7) 13. O-O-O $6 {Inaccuracy. Bxc6 was best.} (13. Bxc6 bxc6 (13... Bxc6 14. Qxe6+ Qe7 15. Qxe7+ Kxe7 16. Nh2 Bd7 17. Nf1 h5 18. Kd2 c6) 14. O-O-O) 13... a6 $6 {Inaccuracy. Qe7 was best.} (13... Qe7 14. Rde1) 14. Bd3 $2 {Mistake. Bxc6 was best. [#]} (14. Bxc6 bxc6 (14... Bxc6) 15. Rh5) 14... Nb4 $6 {Inaccuracy. Qe7 was best.} (14... Qe7 15. Bg6+ Kd8 16. a3 Qg7 17. Bd3 Kc8 18. Nd2 Kb8 19. Nb3 Ka7 20. Nc5) 15. Bg6+ Kf8 $1 16. a3 Nc6 17. Bh5 b5 $2 {Mistake. Kg7 was best.} (17... Qe7 {remains equal.}) (17... Kg7 18. g4) 18. Qd3 $6 {Inaccuracy. Ne1 was best.} (18. Ne1 Be8) 18... Be8 19. Bg4 $2 {Mistake. Bxe8 was best.} (19. Bxe8 Qxe8 20. g4 (20. Nd2 Na5 21. Qc3 Nc4 22. Nb3 Qf7 23. Nc5 Kg7 24. b3 Nd6)) 19... f5 $2 {Mistake. Qd6 was best.} (19... Qd6 20. Rde1) 20. Bh5 $14 Bxh5 21. Rxh5 {[%CAl Bf3g5] aiming for Nxg5!} g4 $2 {Mistake. Kg7 was best.} (21... Kg7 22. Re1 Qd6 23. Rhh1 Rae8 24. Kb1 Rhf8 25. Qd2 Rh8 26. Re2 a5 27. Re3) 22. Nd2 Qe8 (22... Qd6 $16 {was worth a try.}) 23. Rdh1 $18 e5 $2 {Mistake. Qe7 was best.} (23... Kg7 24. Nb3 Qe7) (23... Qe7 24. Nb3) 24. Qxf5+ Ke7 $6 {Inaccuracy. Qf7 was best.} (24... Qf7 25. Qxg4 (25. dxe5 Qxf5 26. Rxf5+ Ke7 $16) 25... Rg8 (25... Ke7 26. dxe5 Rag8 27. Qh4+ Kd7 28. Qh3+ Kd8 29. Rxh6 Rxh6 30. Qxh6)) 25. Rxh6 {White threatens Qe6+ and mate.} Rxh6 26. Rxh6 Qf7 {Prevents Qf6+.} 27. Rh7 Rf8 28. Rxf7+ Rxf7 29. Qg5+ Rf6 30. f4 exf4 31. gxf4 Nxd4 32. Qg7+ Ke6 33. Qxg4+ Ke7 34. g3 Re6 35. c3 $4 {Blunder. Kd1 was best.} (35. Kd1 c5 (35... b4 36. Qg7+ Kd6 37. Qxd4 bxa3 38. bxa3 Rh6 39. Nf3 Rh1+ 40. Ke2) 36. Qg5+ Kd7 37. Qxd5+ Rd6 38. Qb7+ Ke8 39. Ne4) 35... Re1+ 36. Qd1 Rxd1+ $4 {Blunder. Ne2+ was best.} (36... Ne2+ 37. Kc2 Rxd1 38. Kxd1 Nxg3 39. Nb3 Nh5 40. Nc5 Kd6 41. Nxa6 Nxf4 42. b4) 37. Kxd1 {[%mdl 4096] Endgame KN-KN} Nf5 {[#]} 38. g4 $4 {Blunder. Nf1 was best.} (38. Nf1) 38... Ne3+ 39. Ke2 Nxg4 40. Kf3 Nh6 41. Nf1 (41. b4 $5 {[%CAl Rd2b3]}) 41... Ke6 42. Ne3 c5 {Weighted Error Value: White=0.73/Black=0.72 PRECISÃO LICHESS: BRANCAS 79% PRETAS 82%} 1/2-1/2