[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.1"]
[White "Bernardo, Katz"]
[Black "Marcelo, Oliveira De Deus"]
[Result "1-0"]
[WhiteElo "2049"]
[BlackElo "1800"]
[Variant "Standard"]
[ECO "C00"]
[Opening "French Defense: Queen's Knight"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Bernardo, Katz - Marcelo, Oliveira De Deus"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/lIsVUuSC"]
[Annotator "https://lichess.org/@/carevchess"]

1. e4 { [%eval 0.18] } 1... e6 { [%eval 0.22] } 2. Nc3 { [%eval 0.29] } 2... d5 { [%eval 0.36] } 3. d3?! { [%eval -0.2] } { Inaccuracy. d4 was best. } (3. d4 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Nxf6+ Nxf6 7. Nf3 Be7) 3... d4 { [%eval -0.24] } 4. Nce2 { [%eval -0.22] } 4... c5 { [%eval -0.19] } 5. g3 { [%eval -0.24] } 5... Nc6 { [%eval -0.14] } 6. Bg2 { [%eval -0.33] } 6... Bd6 { [%eval -0.1] } 7. f4 { [%eval -0.13] } 7... Bd7 { [%eval 0.02] } (7... f5 { 7...e5 -0.18 } 8. e5 Bc7 9. Bxc6+ bxc6 10. Nf3 Ne7 11. b3 Nd5 12. Kf2 h6 (12... a5) 13. a4 Bb7 { [%cal Bg7g5] } 14. h3 Bb6 15. Bd2 a5 16. Qc1 (16. Qg1! $16) 16... Qc7 17. h4 (17. g4 $16) 17... h5 18. Neg1 Qd7 { [%cal Bc5c4] } 19. Nh3 Ne7 20. Ke2 Ng8 21. Nf2 Nh6 22. Nd1 { Sanal,V (2550)-Camlar,A (2458) Ankara TUR 2025 ½-½ (58) }) 8. Nf3 $146 { [%eval 0.18] } (8. Nh3 { 8.f3 0.25 } 8... Nge7 9. O-O (9. e5 { is more appropriate. } 9... Bc7 10. Nf2) 9... Bc7 10. g4 (10. c3) 10... f6 (10... Ng6 $15) 11. f5 Qb8 12. Nef4 Bxf4 (12... exf5 { remains equal. } 13. gxf5 O-O) 13. Nxf4 $16 Qd6 { [%cal Re6f5] } 14. Nh5 { Black must now prevent fxe6. } 14... Rg8 15. fxe6 (15. Bh6! $16 Kf7 (15... gxh6 16. Nxf6+) 16. fxe6+ Bxe6 17. Bf4) 15... Bxe6 (15... Qxe6 $14 16. g5 fxg5) 16. g5 $16 fxg5 17. Bxg5 { [%cal Be4e5] } 17... Ne5 { ...Bg4 is the strong threat. } 18. Qd2 O-O-O 19. Nf4 h6 20. Nxe6 Qxe6 21. Bf4 { Strongly threatening Qa5. } 21... g5 { [#] } (21... N7c6 $14) 22. Bg3! $16 N7c6 { Pechnikov,A-Gizatullin,D (2115) Dagomys 2004 1-0 (35). Prevents Qa5. }) 8... Qa5+ { [%eval 0.55] } { White has an edge. } 9. Bd2 { [%eval 0.52] } 9... Qb6 { [%eval 0.49] } 10. Rb1 { [%eval 0.34] } 10... e5?! { [%eval 0.93] } { Inaccuracy. a5 was best. } (10... a5 11. O-O e5 12. fxe5 Nxe5 13. Nf4 Ne7 14. Nxe5 Bxe5 15. Qh5 Qd6 16. Bh3) 11. O-O?! { [%eval 0.31] } { Inaccuracy. b4 was best. } { Hoping for b4! } { [%cal Bb2b4] } (11. b4 cxb4 12. fxe5 Nxe5 13. Nxe5 Bxe5 14. Rxb4 Qd6 15. Qb1 a5 16. Rxb7 Ne7) 11... exf4?! { [%eval 1.31] } { Inaccuracy. a5 was best. } (11... f6 $14) (11... a5 12. fxe5 Nxe5 13. Nf4 Ne7 14. Nxe5 Bxe5 15. Qh5 Qd6 16. Bh3 Bxh3 17. Nxh3) 12. gxf4 { [%eval 1.04] } (12. Bxf4?! Be7 $16) (12. Nxf4 $18 { aiming for e5! } { [%cal Be4e5] } 12... Bxf4 13. Bxf4) 12... Bg4 { [%eval 1.45] } (12... Nh6 $16) 13. h3 { [%eval 1.34] } 13... Bh5?! { [%eval 2.38] } { Inaccuracy. Bd7 was best. } (13... Bxf3 $16 14. Bxf3 Nge7) (13... Bd7 14. a3 a5 15. e5 Be7 16. f5 Bxf5 17. Nfxd4 cxd4 18. Rxf5 g6 19. Rf1) 14. Ng3 $18 { [%eval 2.27] } 14... Bxf3 { [%eval 2.4] } 15. Qxf3 { [%eval 2.48] } (15. Rxf3 O-O-O $16) (15. Bxf3 Nge7 $16) 15... Nge7 { [%eval 2.6] } 16. Qg4 { [%eval 2.32] } 16... Nb4 { [%eval 2.31] } 17. e5 { [%eval 2.23] } (17. Qxg7 Rg8 18. Qxh7 Rxg3 $17) 17... Bc7 { [%eval 2.32] } 18. Bxb4 { [%eval 2.2] } (18. Qxg7 Rg8 19. Qxh7 Rxg3 $17) 18... Qxb4?! { [%eval 2.89] } { Inaccuracy. cxb4 was best. } (18... cxb4 19. Nh5 Rg8 20. Rbe1 Qg6 21. Bxb7 Rb8 22. Be4 Qh6 23. Kh1 Kf8 24. Bf3) 19. a3 { [%eval 2.64] } (19. Qxg7 Rg8 20. Qxh7 Rxg3 $17) 19... Qb6 { [%eval 2.61] } 20. Kh2 { [%eval 2.16] } (20. Qxg7 Rg8 21. Qxh7 Rxg3 $17) 20... a6?! { [%eval 3.08] } { Inaccuracy. O-O was best. } (20... O-O 21. Be4 (21. Nh5 Qg6 22. Bxb7 Rab8 23. Be4 Qxg4 24. hxg4 f6 25. exf6 gxf6 26. b4) 21... Rab8) 21. b4 { [%eval 2.43] } { And now bxc5 would win. } { [%cal Bb2b4,Bb4c5] } 21... h5?! { [%eval 3.43] } { Inaccuracy. O-O was best. } (21... O-O 22. Qd7 (22. Kh1 cxb4 23. Rxb4 Qg6 24. Rxd4 Rad8 25. Rc4 Bb8 26. Bxb7 f6 27. d4) 22... Ng6 23. bxc5 Qxc5 24. Rxb7 Rac8) 22. Qf3?! { [%eval 2.24] } { Inaccuracy. Qxg7 was best. } (22. Nxh5 Qg6 $18) (22. Qxg7 Rg8 23. bxc5 Qxc5 24. Ne4 Rxg7 25. Nxc5 Ra7 26. Bxb7 Ng6 27. Ne4 Ke7) 22... h4?! { [%eval 3.07] } { Inaccuracy. Rb8 was best. } (22... Rb8 23. Ne4 Qh6 24. Nxc5 Nf5 25. Nxb7 O-O 26. Qc6 Qxc6 27. Bxc6 Bb6 28. Be4) 23. Ne4 { [%eval 2.98] } 23... Qc6 { [%eval 3.61] } (23... cxb4 { was worth a try. } 24. Rxb4 Qg6 25. Rxb7 Rc8 26. Nd6+ Bxd6) 24. bxc5 { [%eval 3.61] } 24... Nd5?! { [%eval 5.65] } { Inaccuracy. Kf8 was best. } (24... Kf8 25. Qf2 Rb8 26. Qxd4 Nf5 27. Qf2 Qa4 28. Nd6 Ng3 29. Rfe1 Rh6 30. Bd5) 25. Rxb7?? { [%eval 2.6] } { Blunder. Nd6+ was best. } { [%cal Bb1b7,Bb7f7,Bf7f6] } (25. Nd6+ Bxd6 26. cxd6 b5 27. Qxd5 Qxd5 28. Bxd5 Rc8 29. Rf2 Rc5 30. Bb3 Rh5) 25... Kf8?? { [%eval 6.13] } { Blunder. Qxb7 was best. } (25... Qxb7 26. c4 dxc3 27. Nxc3 Rd8 28. Nxd5 Kf8 29. d4 Rh6 30. Nxc7 Qxc7 31. Qe4) 26. Rfb1 { [%eval 5.88] } 26... Ne3 { [%eval 6.16] } 27. Bh1?! { [%eval 4.14] } { Inaccuracy. Nd6 was best. } (27. Nd6 Qxf3 28. Bxf3 Bxd6 29. exd6 g5 30. c6 Kg7 31. c7 Kf6 32. d7 Kf5) 27... Bb6? { [%eval 7.28] } { Mistake. Rd8 was best. } { [#] } (27... Rd8 28. c3 Nf5 (28... dxc3 29. Rxc7 Qxc7 30. Qxe3 g5 31. d4 c2 32. Rc1 gxf4 33. Qf2)) 28. Rxf7+!! { [%eval 8.72] } { White is clearly winning. } 28... Kg8 { [%eval 9.55] } 29. Nf6+ { [%eval 8.96] } 29... Qxf6 { [%eval 10.56] } 30. Rxf6 { [%eval 10.88] } { Weighted Error Value: White=0.49/Black=0.73 } { PRECISÃO: BRANCAS 89% PRETAS 82% } 1-0


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.2"]
[White "Rogerio Cerqueira, Felix De Mello"]
[Black "Carlos Henrique, Luz Da Costa"]
[Result "0-1"]
[WhiteElo "1854"]
[BlackElo "1905"]
[Annotator "Carvalho,Carlos"]
[Variant "Standard"]
[ECO "D15"]
[Opening "Slav Defense: Three Knights Variation"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Rogerio Cerqueira, Felix De Mello - Carlos Henrique, Luz Da Costa"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/fQ6JiQ4L"]

1. d4 { [%eval 0.15] } 1... d5 { [%eval 0.27] } 2. Nf3 { [%eval 0.08] } 2... Nf6 { [%eval 0.11] } 3. c4 { [%eval 0.22] } 3... c6 { [%eval 0.24] } 4. Nc3 { [%eval 0.2] } 4... Bf5 { [%eval 0.53] } 5. e3 { [%eval 0.23] } 5... Nbd7 { [%eval 0.36] } 6. cxd5 { [%eval 0.38] } 6... cxd5 { [%eval 0.54] } 7. Bb5 { [%eval 0.0] } (7. Qb3 $16) 7... a6 { [%eval 0.03] } 8. Bd3 { [%eval -0.04] } { The position is equal. } (8. Bxd7+!? Bxd7 9. Qb3) 8... Bxd3 { [%eval -0.03] } 9. Qxd3 { [%eval 0.02] } 9... e6 { [%eval 0.03] } 10. O-O { [%eval -0.06] } 10... Bd6 { [%eval -0.03] } 11. a4 $146 { [%eval -0.25] } (11. e4 dxe4! 12. Nxe4 Nxe4 (12... Qb6) 13. Qxe4 Qb6 14. Bg5 (14. Qg4 $14) 14... h6 $15 15. Bh4 Bc7 (15... O-O $15) 16. d5 $14 { And now dxe6 would win. } 16... Nc5 (16... O-O $16) 17. Qd4 $18 f6? (17... e5 $16 18. Nxe5 Nd7 19. Qxb6 Nxb6) 18. Rac1 $18 Rc8 19. Rfe1 Kf7 (19... O-O 20. dxe6 Nxe6 21. Qxb6 Bxb6) 20. dxe6+ Ke7 (20... Nxe6 21. Qd7+ Kg6 22. Rxe6 Rcd8) 21. Rxc5 $18 { Intending Qd7+ and mate. } 21... Rhd8 { Inhibits Qd7+. } 22. Rd5 Qxd4 23. Rxd4 Ba5 { Threatens to win with ...Rxd4. } 24. Rxd8 Rxd8 25. Rc1 Kxe6 { Koellner,U (1734)-Georgi,F (1473) Grossauheim 2007 1-0 (49) }) 11... h6 { [%eval -0.18] } 12. b3 { [%eval -0.3] } 12... Rc8 { [%eval -0.17] } 13. Ba3 { [%eval -0.21] } 13... Qe7 { [%eval 0.0] } 14. Bxd6 { [%eval 0.0] } 14... Qxd6 { [%eval 0.0] } 15. Rfc1 { [%eval 0.01] [%cal Bc3b5] } 15... O-O { [%eval 0.04] } 16. a5 { [%eval -0.3] } (16. Ne2) 16... Rc7 { [%eval -0.31] } 17. Na4 { [%eval -0.52] } 17... Rfc8 { [%eval -0.64] } 18. Rxc7 { [%eval -0.63] } 18... Rxc7 { [%eval -0.71] } (18... Qxc7 19. b4) 19. Qd2?! { [%eval -1.76] } { Inaccuracy. Nc3 was best. } { Against Qb4 } (19. Nc3 Nb8 20. Ne2 Nc6 21. Ra4 Ne4 22. Nd2 Ng5 23. Qc3 Na7 24. Qd3 Nb5) 19... Ne4 $19 { [%eval -1.76] } 20. Qe1 { [%eval -1.73] } 20... Rc2 { [%eval -1.69] } { Prevents Nd2. } 21. b4 { [%eval -1.7] } 21... Qc6 { [%eval -1.48] } (21... Nxf2 22. Qb1 Qc6 23. Nc5) 22. Nc5 { [%eval -1.47] } 22... Qb5 $36 { [%eval -1.06] } { Keeping White busy. } { [%cal Rd7c5] } (22... Nxf2?! 23. Qb1 Re2 24. Qf1 (24. Kf1? Qb5 $19)) 23. Nxd7? { [%eval -2.44] } { Mistake. Qd1 was best. } (23. Qd1 Rb2 24. Qd3 Qxd3 25. Nxd3 Rb3 26. Rd1 Nb8 27. g4 f6 28. Rc1 Nc6) 23... Qxd7 { [%eval -2.32] } 24. Ne5 { [%eval -2.33] } 24... Qb5 { [%eval -2.15] } 25. f3 { [%eval -2.15] } 25... Re2? { [%eval -0.47] } { Mistake. Nc3 was best. } (25... Nc3 26. Kh1 Qxb4 27. h3 Qb2 28. Nd3 Qb5 29. Ne5 Qb4 30. Qh4 Qd6 31. Nd3) 26. Qh4?? { [%eval -2.83] } { Blunder. Qc1 was best. } (26. Qc1 Nd6 27. Qc3 (27. Qc5 Qxc5 28. dxc5 Nb5 29. c6 bxc6 30. Nxc6 Rxe3 31. Nb8 Rb3)) 26... Nf6 { [%eval -2.71] } 27. Rc1? { [%eval -4.51] } { Mistake. Rb1 was best. } (27. Rb1 Qa4 28. Qg3 (28. Re1 Rc2 29. Rd1 Rxg2+ 30. Kxg2 Qxd1 31. Qg3 Qd2+ 32. Qf2 Qxb4)) 27... Qxb4 { [%eval -4.25] } 28. h3?! { [%eval -6.41] } { Inaccuracy. Rc8+ was best. } (28. Rc8+ Kh7 29. h3 Qd2 30. Qg3 Qxe3+ 31. Kh2 Re1 32. Qxe1 Qxe1 33. Nxf7 Qxa5) 28... Qd2 { [%eval -6.41] } 29. Rc8+ { [%eval -6.24] } 29... Kh7 { [%eval -5.74] } 30. Qg3 { [%eval -5.73] } 30... Re1+ { [%eval -6.38] } 31. Kh2 { [%eval -5.87] } 31... Qxe3 { [%eval -5.85] [%csl Ge1][%cal Re3g1] } 32. h4 { [%eval -5.97] } 32... Qg1+ { [%eval -6.18] } 33. Kh3 { [%eval -5.89] } 33... Qe3 { [%eval -5.35] } 34. Qh2 { [%eval -5.16] } { Prevents Rh1. } 34... Ne4 { [%eval -5.6] } 35. Nxf7 { [%eval -5.76] } { Hoping for Rh8+. } 35... Nf2+ { [%eval -5.7] } 36. Kg3 { [%eval -5.15] } 36... Qxd4?! { [%eval -3.61] } { Inaccuracy. Rh1 was best. } (36... Rh1 37. h5 Ne4+ 38. Kg4 Nf6+ 39. Kh3 Rxh2+ 40. Kxh2 Nxh5 41. Rh8+ Kg6 42. Ne5+) 37. h5 { [%eval -3.38] [#] [%csl Gf7][%cal Rc8h8] } 37... g5?? { [%eval #11] } { Checkmate is now unavoidable. Ne4+ was best. } (37... Ne4+ 38. Kh3 Ng5+ 39. Nxg5+ hxg5 40. g4 Re3 41. Qc2+ Qe4 42. Qxe4+ dxe4 43. Kg2) 38. hxg6+! { [%eval #10] } 38... Kxg6 { [%eval #10] } 39. Qxh6+ { [%eval #9] } 39... Kxf7 { [%eval #9] [#] } 40. Qh7+?? { [%eval -0.06] } { Lost forced checkmate sequence. Qh5+ was best. } (40. Qh5+ Kf6 41. Qh8+ Kf7 (41... Kg6 42. Rg8+ Kf5 43. Qxd4 e5 44. Rf8+ Ke6 45. Qb6+ Kd7 46. Rf7+ Ke8 47. Qe6+ Kd8 48. Qd7#) 42. Qxd4 Rc1 43. Qf4+ (43. Rxc1 e5 44. Rc7+ Ke6 45. Qb6+ Kf5) 43... Kg7 44. Qg5+ Kf7 45. Rxc1 Nh1+ 46. Rxh1 Ke8 47. Rh7 { [%csl Gh7][%cal Rg5e7] } 47... d4 48. Qe7#) 40... Qg7+ { [%eval 0.0] } 41. Qxg7+ { [%eval 0.0] } 41... Kxg7 { [%eval -0.05] } 42. Kxf2 { [%eval -0.14] } { Endgame KR-KR } 42... Rb1 { [%eval 0.0] } 43. Ke3?! { [%eval -0.87] } { Inaccuracy. f4 was best. } (43. f4 Rb2+ 44. Kf3 Rb3+ 45. Kf2) 43... Kf6 { [%eval -0.38] } (43... e5! $15) 44. f4 { [%eval -0.45] } 44... Rb5 { [%eval -0.02] } 45. Rf8+ { [%eval 0.0] } 45... Ke7 { [%eval 0.0] } 46. Rb8 { [%eval -0.01] } 46... Rb4 { [%eval 0.0] } (46... Rxa5 47. Rxb7+ Kf6 48. g4 $15) 47. g4 { [%eval 0.0] } 47... e5 { [%eval 0.0] } 48. Rc8?? { [%eval -3.56] } { Blunder. fxe5 was best. } (48. fxe5 Rxg4 (48... Ke6 49. Re8+ Kf7 50. Rb8) 49. Rxb7+ Ke6 50. Rb6+ Kxe5 51. Rxa6) 48... Kf7?? { [%eval 0.0] } { Blunder. Rxf4 was best. } (48... Rxf4 49. Rc7+ (49. Rg8 Kf7 50. Rg5 Ke6 51. Kd3 Ra4 52. Rg6+ Ke7 53. Rb6 Rxa5 54. Rxb7+) 49... Ke6 50. Rxb7 d4+ 51. Kd3 Rxg4) 49. Rc5?? { [%eval -2.9] } { Blunder. fxe5 was best. } (49. fxe5 Rxg4 50. Rc7+ Ke6 51. Rxb7 Kxe5 52. Rb6 Rg3+ 53. Kd2 Ra3 54. Rxa6 Kd4) 49... Rb3+?? { [%eval 0.0] } { Blunder. Ke6 was best. } (49... exf4+ 50. Kf3 $17) (49... Rxf4 $19 50. Rxd5 Ke6) (49... Ke6 50. fxe5 Rxg4 51. Rc1 Rb4 52. Kd3 Kxe5 53. Re1+ Kd6 54. Re2 Rb5 55. Ra2) 50. Kf2 { [%eval -0.08] } 50... Rb5 { [%eval 0.0] } 51. Rc7+ { [%eval -0.03] } 51... Kg6 { [%eval 0.08] } 52. Re7 { [%eval -0.44] } { White has compensation. } 52... d4?? { [%eval 2.71] } { Blunder. Rb2+ was best. } { Weighted Error Value: White=0.82/Black=0.54. Loss on time!? } { PRECISÃO: BRANCAS 78% PRETAS 63% } (52... exf4?! 53. Kf3 $17) (52... Rb2+ 53. Kg3 Rb3+ 54. Kh4 exf4 55. Rd7 Rb5 56. g5 f3 57. Rd6+ Kf5 58. Rf6+) 0-1


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.3"]
[White "Jose Antonio, Marcondes De Oliv."]
[Black "Adnilton Correia, de Almeida Nogueira"]
[Result "0-1"]
[WhiteElo "1883"]
[BlackElo "1939"]
[Variant "Standard"]
[ECO "C44"]
[Opening "Scotch Game: Scotch Gambit, London Defense"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Jose Antonio, Marcondes De Oliv. - Adnilton Correia, de Almeida Nogueira"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/MqE1s6Sa"]
[Annotator "https://lichess.org/@/carevchess"]

1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nc6 { [%eval 0.22] } 3. d4 { [%eval 0.07] } 3... exd4 { [%eval 0.04] } 4. Bc4 { [%eval 0.0] } 4... Bb4+ { [%eval -0.1] } 5. c3 { [%eval -0.05] } 5... dxc3 { [%eval -0.13] } 6. bxc3 { [%eval -0.15] } 6... Bd6?! { [%eval 0.72] } { Inaccuracy. Ba5 was best. } (6... Ba5 7. O-O Bb6 8. a4 d6 9. Nbd2 Na5 10. e5 Ne7 11. exd6) 7. O-O! $16 { [%eval 0.64] [%cal Be4e5] } 7... h6 { [%eval 0.73] } (7... Kf8 { 7...h6 0.74 } 8. Re1 Be5 (8... Be7 $16) 9. Bxf7 Kxf7 10. Qd5+ Kf8 11. Nxe5 Nxe5 12. Qxe5 d6 13. Qd4 Be6 14. Na3 b6 (14... Nf6 15. e5 c5 16. Qxd6+ Qxd6 17. exd6 Kf7) 15. f4 Qe7 (15... h5 16. f5 Bf7) 16. f5 Bf7 17. Bf4 a6 18. Nc2 { aiming for Rad1. } 18... Nf6 19. Rad1 Re8? (19... Kg8 { might work better. } 20. e5 dxe5) 20. e5 $18 dxe5 21. Rxe5 { 1-0 (21) Golubovic,B (2365)-Fodor,I Opatija 1995 }) (7... Nge7 8. Bg5? (8. Ng5! $16 { is necessary to keep the advantage. } { [%cal Rg5f7] } 8... Ne5 9. Bb3) 8... O-O 9. Re1 Be5 (9... h6 $17 10. Bh4 Ne5) 10. Nxe5 Nxe5 11. Bb3 d6 (11... Kh8) 12. f4! $14 { [%cal Rf4e5] } 12... N5c6 13. Nd2 (13. f5! $14) 13... Kh8 14. Nf3 Be6 (14... f6!? 15. Bh4 Bg4) 15. Nd4 Bxb3 16. Qxb3 Qc8 17. Rab1 Rb8 18. Nxc6 (18. h3 { keeps the balance. }) 18... Nxc6 $17 19. Qd5 Qe6 20. c4 h6 21. Bh4 Rfe8 22. Bf2 { Bressy,T (2185)-Orshonova,E (1948) chess.com INT 2024 1-0 (59) }) 8. Re1?! $146 { [%eval -0.17] } { Inaccuracy. e5 was best. } (8. Qd5 Qe7 $15) (8. e5 Bc5 9. Bxf7+ (9. Qd5 Qe7) 9... Kxf7 10. Qd5+ Ke8 (10... Kg6 11. Qxc5 Nge7 12. Qc4 { Qd3+ is the strong threat. } (12. Qe3 Rf8) 12... d5 13. exd6 Qxd6 14. Qe4+ Kf7! 15. Ba3 Bf5 16. Qa4 Qd5 (16... Qf6 $14) 17. Qf4 (17. c4 $16 Qd7 18. Rd1) 17... Rac8 18. Bxe7 Nxe7 19. Ne5+ Kf6 20. Re1 { And now c4 would win. } 20... Ng6 21. Nxg6 Kxg6 22. Nd2 Qd6 { Tomerlin,S (2215)-Buric,D Opatija 1995 1-0 (53) } (22... Rhe8)) 11. Qxc5 $18 b6 (11... Qe7 12. Qe3 Qf7) 12. Qc4 $18 Nge7 13. Ba3 Na5 14. Qh4 c5 15. Nbd2 Ba6 16. Rfe1 Bd3 17. Ne4 Bxe4 18. Qxe4 Nac6 19. c4 d5 (19... Qc7 20. Bb2 Rd8) 20. exd6 $18 Qxd6 21. Rad1 Qc7 22. Bb2 { Threatening mate with Qg6+. } 22... Rd8 { Petrov,A (1908)-Sokolov,D (1531) Kostroma 2010 1-0 }) 8... Be5?! { [%eval 0.75] } { Inaccuracy. Nge7 was best. } (8... Nge7 9. e5) 9. Bxf7+? { [%eval -0.39] } { Mistake. Nxe5 was best. } (9. Nxe5 Nxe5) 9... Kxf7 { [%eval -0.51] } 10. Qd5+ { [%eval -0.13] } 10... Kf6 { [%eval -0.22] } 11. Nxe5 { [%eval -0.39] } 11... Nxe5 { [%eval -0.25] } 12. f4 { [%eval -0.53] } 12... Nf3+?? { [%eval 2.31] } { Blunder. Nc6 was best. } (12... Nc6) 13. gxf3 $18 { [%eval 2.29] } 13... Ne7 { [%eval 2.35] } 14. e5+? { [%eval 0.79] } { Mistake. Qd4+ was best. } (14. Qh5?! g6 15. Qh4+ Kf7 $16) (14. Qd4+ Kg6 15. Re2 (15. Kh1 Kh7 16. c4 d6 17. Rg1 Rg8 18. Nc3 Qf8 19. Nd5 c5)) 14... Kg6 $14 { [%eval 0.79] } 15. Qe4+ { [%eval 0.77] } 15... Nf5 { [%eval 0.8] } 16. Nd2?! { [%eval -0.2] } { Inaccuracy. c4 was best. } (16. c4) 16... Re8 { [%eval 0.13] } 17. Bb2?? { [%eval -1.61] } { Blunder. c4 was best. } (17. c4 d6 18. Nf1 Qd7 19. Bb2 Kh7 20. Ne3 Qf7 21. Re2 a5 22. Kf2) 17... d5 $19 { [%eval -1.63] } 18. Qd3 { [%eval -1.72] } 18... Be6 { [%eval -1.15] } 19. Re2?! { [%eval -1.76] } { Inaccuracy. Nb3 was best. } (19. Nb3 Kh7 20. Kh1 Qc8 21. Nc5 Rd8 22. Nxe6 Qxe6 23. Re2 b6 24. Rg1 g6) 19... c6?! { [%eval -1.09] } { Inaccuracy. b6 was best. } (19... c5 $19 20. Nf1 c4) (19... b6 20. Nf1 Qd7 21. Rg2+ Kh7 22. Ne3 c5 23. Kh1 Rad8 24. Rag1 Re7 25. Qb1) 20. Nb3 $17 { [%eval -0.97] } 20... Qb6+?! { [%eval -0.08] } { Inaccuracy. Qd7 was best. } (20... b6 $17) (20... Qd7) 21. Kh1? { [%eval -1.67] } { Mistake. Nd4 was best. } (21. Nd4 c5 (21... Kh7) 22. Rg2+ Kh7 23. Nxf5 c4+ 24. Qe3 Bxf5 25. Bc1) 21... c5! $19 { [%eval -1.7] } 22. Rg1+ { [%eval -1.78] } 22... Kf7 { [%eval -1.53] } (22... Kh7 $19 { Strongly threatening ...c4. } 23. Qb1 Kh8) 23. Qc2 { [%eval -1.7] } 23... Rg8? { [%eval -0.05] } { Mistake. Qc6 was best. } (23... Qc6 24. Reg2 Kg8 25. Rg6 Rac8 26. Qg2 Rc7 27. Qg4 Rf7 28. Bc1 Kf8 29. Nd2) 24. Rb1?? { [%eval -2.32] } { Blunder. Ba3 was best. } (24. Ba3 Rac8 25. Rb1) 24... Qc6 { [%eval -2.33] } 25. Rg1 { [%eval -2.32] } 25... Rac8 { [%eval -2.23] } 26. Qd1 { [%eval -2.49] } 26... Rc7 { [%eval -2.31] } 27. Qe1 { [%eval -2.44] } 27... Qb5 { [%eval -2.29] } 28. Qf1 { [%eval -2.7] } 28... a6 { [%eval -2.49] [%cal Ba7a6,Ba6a5,Ba5a4] } 29. Bc1 { [%eval -2.44] } 29... a5 { [%eval -2.49] } 30. Nd2 { [%eval -2.19] } 30... a4 { [%eval -1.71] } 31. a3 { [%eval -2.3] } (31. Qg2 Qd3 32. Bb2 (32. Qg6+? Ke7 $19) 32... g5 $17) (31. c4 { was called for. } 31... dxc4 32. Ne4 (32. Qg2 c3 $17)) 31... Qc6 { [%eval -1.92] } 32. Qf2 { [%eval -1.97] } (32. Qg2 g6 $15) 32... Qb5 { [%eval -1.45] } (32... Rd8 $19 33. Ree1 (33. Qg2 Kg8 $17) 33... Kg8) 33. Nf1 $17 { [%eval -1.51] } 33... Kf8?! { [%eval -0.53] } { Inaccuracy. Rf8 was best. } (33... Re8 $17) (33... Rf8 34. Ng3 Kg8 35. Nxf5 Bxf5 36. Rb2 Qc6 37. h4 Kh7 38. Be3 Rd8 39. Qg3) 34. Ne3 { [%eval -0.31] } 34... Rd7?! { [%eval 0.41] } { Inaccuracy. g6 was best. } (34... g6 35. Nxf5 gxf5 36. Ree1 Rxg1+ 37. Rxg1 Qd3 38. Rg6 d4 39. Rxe6 Qd1+ 40. Kg2) 35. Ng4?? { [%eval -1.94] } { Blunder. Nxf5 was best. } (35. Nxf5 Bxf5 36. Be3) 35... c4?? { [%eval 0.81] } { Blunder. d4 was best. } (35... d4 36. cxd4 (36. Rb2 Qd3 37. cxd4 cxd4 38. Rd2 Qb3 39. Qe2 Kf7 40. Rd3 Qb5 41. Nf2) 36... Nxd4) 36. Qe1?? { [%eval -1.83] } { Blunder. Be3 was best. } (36. Be3 h5) 36... Qa5?? { [%eval 0.14] } { Blunder. d4 was best. } (36... d4 37. Nf2 Nh4 (37... dxc3 38. Rc2 Qc6 39. Rxc3 Kf7 40. Ne4 b5 41. Bb2 Rd3 42. Qf2)) 37. Reg2 { [%eval -0.34] } (37. Bd2 $14) 37... d4 $15 { [%eval -0.69] } 38. Nf6?? { [%eval -4.28] } { Blunder. Bd2 was best. } (38. Bd2 Qd5) 38... Rh8?? { [%eval 2.83] } { Blunder. gxf6 was best. } (38... gxf6 39. exf6 (39. Rxg8+ Bxg8 40. Qe4 Qd5 41. Kg2 Be6 42. Kf2 Rg7 43. Bd2 Rxg1 44. Qxd5) 39... Rxg2 40. Rxg2 Qd5) 39. Ne4?? { [%eval 0.24] } { Blunder. Nxd7+ was best. } (39. Nxd7+ Bxd7 40. Qe4 dxc3 41. Qxb7 Qb5 42. Qa8+ Be8 43. Qc8 Ne7 44. Qd8 Rg8) 39... d3 { [%eval 0.62] } (39... Rg8) 40. Nd6? { [%eval -0.72] } { Mistake. Be3 was best. } (40. Be3) 40... Re7?? { [%eval 4.01] } { Blunder. Nxd6 was best. } (40... Nxd6 41. exd6 Qd5) 41. Rg6?? { [%eval 1.06] } { Blunder. Qe4 was best. } (41. Qe4 Nh4 42. f5 Nxg2 43. fxe6 Nh4 44. Nxc4 Qa6 45. Qxh4 Qxe6 46. Qe4 g5) 41... Qa8?? { [%eval 4.86] } { Blunder. Qd5 was best. } (41... Qd5 42. Qe4 Nxd6 43. exd6 Re8 44. d7 Qxd7 45. Be3 Qd5 46. Rxg7 Re7 47. Rxe7) 42. Qf2?? { [%eval 1.84] } { Blunder. Qe4 was best. } (42. Qe4 Nh4 43. f5 Nxg6 44. fxe6 Nh4 45. Qxh4 b5 46. Qf4+ Kg8 47. Nf5 Qb7) 42... Bd5?? { [%eval 4.78] } { Blunder. Bd7 was best. } (42... Nxd6? 43. exd6 Rf7 44. Rxe6 $18) (42... Bd7 43. Nxc4 (43. Be3) 43... Be8) 43. Ne4?? { [%eval -1.0] } { Blunder. Nxf5 was best. } (43. Nxf5 b6 44. R1g3 (44. Nd4 b5 45. e6 b4 46. f5 bxc3 47. f6 Rh7 48. fxe7+ Ke8)) 43... Re6?? { [%eval 2.7] } { Blunder. b5 was best. } (43... b5 44. Re1 (44. Rb6 Kg8 45. Bd2 Bc6 46. h3 Re6 47. Kh2 Kh7 48. Qg2 Rf8 49. Qg4) 44... Kg8) 44. Rxe6? { [%eval 1.03] } { Mistake. Qc5+ was best. } (44. Qc5+ Ne7 45. Rxe6 (45. Rxg7 b6) 45... Bxe6 46. Rxg7!! (46. Qd6 Qc8 47. Rxg7 Qd7 48. Rg6 Qxd6 49. Rf6+ Kg7)) 44... Bxe6 $16 { [%eval 0.94] } 45. Qb6? { [%eval -0.27] } { Mistake. Qc5+ was best. } (45. Qc5+ Kg8 46. Nf6+ Kf7 47. Qc7+ Kf8 48. Qc5+ Kf7 49. Qc7+ Kf8 50. Nd7+ Kg8 51. Rg6) 45... Kf7?! { [%eval 0.7] } { Inaccuracy. Qc8 was best. } (45... Qc8 46. Nd6) 46. Be3? { [%eval -0.69] } { Mistake. Qc7+ was best. } (46. Qc7+ Kg8 47. Be3 Rh7 48. Bf2 Kh8 49. Qb6 Qc8 50. Nd6 Nxd6 51. Qxd6 h5) 46... Rd8? { [%eval 0.63] } { Mistake. Qc8 was best. } (46... Qc8) 47. Rb1?? { [%eval -1.38] } { Blunder. Nd6+ was best. } { [#] } (47. Nd6+ Rxd6 48. exd6) 47... Rd7? { [%eval 0.26] } { Mistake. Qc8 was best. } (47... Qc8 48. Rg1) 48. Rg1? { [%eval -0.98] } { Mistake. Nc5 was best. } (48. Nc5 Qe8 49. Nxd7 Qxd7 50. Kg1) 48... Qd8 $17 { [%eval -1.11] } 49. Qb5?? { [%eval -5.05] } { Blunder. Qxd8 was best. } (49. Qxd8 Rxd8 50. Bb6 Rd7 51. Rb1 d2 52. Rd1 Rd3 53. Rxd2 Rxf3 54. Kg1 Nh4) 49... Rd5? { [%eval -2.74] } { Mistake. Nxe3 was best. } (49... Nxe3 50. Nc5 Qe7 51. Qb6 Nf5 52. h3 d2 53. Kh2 Rd5 54. Nxe6 Qxe6 55. Qxb7+) 50. Qxb7+ { [%eval -2.95] } 50... Rd7 { [%eval -2.57] } 51. Nd6+?? { [%eval -5.69] } { Blunder. Qb6 was best. } (51. Qb6 Qxb6 52. Bxb6 Rb7 53. Bf2 Rb2 54. Ra1 Bd5 55. Kg2 h5 56. Kf1 h4) 51... Kg8?? { [%eval -0.37] } { Blunder. Nxd6 was best. } (51... Nxd6 52. Qb2 (52. Qc6 Qc8 53. Qxc8 Nxc8 54. Rb1 d2 55. Rd1 Rd3 56. Bxd2 Bd5 57. Kg1) 52... Nf5) 52. Qa6?? { [%eval -4.87] } { Blunder. Qe4 was best. } (52. Qe4 Qf8 53. Bc5 (53. Nxc4? Bd5 $19)) 52... Qb8?? { [%eval 0.0] } { Blunder. Nxe3 was best. } (52... Nxd6? 53. exd6 Bd5 54. Kg2 $19) (52... Nxe3 53. Ne4 Re7 54. Nd2 Qf8 55. Rg6 Qe8 56. Rg1 Kh8 57. Qb6 Nf5 58. Ne4) 53. Nxf5 { [%eval 0.0] } (53. Nxc4? Bd5 54. h3 Qb7 $19) 53... Bxf5 { [%eval 0.0] } 54. Bd4?? { [%eval -3.15] } { Blunder. Qxc4+ was best. } (54. Qxc4+ Rf7 55. Qxa4 (55. Qd5 Qb7 56. c4 Be6 57. Qe4 Qb3 58. f5 Bxf5 59. Qd5 d2)) 54... Kh7?! { [%eval -2.16] } { Inaccuracy. Qb7 was best. } (54... Qb7 55. Qxc4+ Kh7 56. Rg3 Qb3 57. e6 Re7 58. Qc5 Qxe6 59. Be3 g6 60. Qe5) 55. Qc6 { [%eval -2.25] } (55. Qxa4 Qb7 56. Qd1 Rxd4 57. cxd4 c3 $19) 55... Qb7 $36 { [%eval -2.12] } { White is under strong pressure. } 56. Qxa4?? { [%eval #-4] } { Checkmate is now unavoidable. Qxb7 was best. } (56. Qxb7 Rxb7 57. h4) 56... Qxf3+ { [%eval #-3] } { Black mates. } 57. Rg2 { [%eval #-3] } 57... Rb7 { [%eval #-4] } 58. Qa6 { [%eval #-4] } 58... Rb1+ { [%eval #-4] } 59. Bg1 { [%eval #-4] } 59... Be4 { [%eval #-4] } { Weighted Error Value: White=1.38/Black=1.35 } { PRECISÃO: BRANCAS 63% PRETAS 64% } 0-1


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.4"]
[White "Leo, Ramos Simoes"]
[Black "Carlos Alberto, Braga Mendes"]
[Result "1-0"]
[WhiteElo "2006"]
[BlackElo "1788"]
[Variant "Standard"]
[ECO "C77"]
[Opening "Ruy Lopez: Morphy Defense, Anderssen Variation"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Leo, Ramos Simoes - Carlos Alberto, Braga Mendes"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/CVT1ua41"]
[Annotator "https://lichess.org/@/carevchess"]

1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nc6 { [%eval 0.22] } 3. Bb5 { [%eval 0.15] [%cal Bf1b5,Bb5a4,Ba4b3] } 3... a6 { [%eval 0.21] } 4. Ba4 { [%eval 0.11] } 4... Nf6 { [%eval 0.28] } 5. d3 { [%eval 0.04] } 5... b5 { [%eval -0.06] } 6. Bb3 { [%eval 0.11] } 6... Be7 { [%eval 0.16] } 7. O-O { [%eval 0.09] } 7... O-O { [%eval 0.22] } 8. c3 { [%eval 0.15] } 8... d5 { [%eval 0.15] } 9. exd5 { [%eval 0.16] } 9... Nxd5 { [%eval 0.16] } 10. h3 { [%eval -0.09] } 10... h6 $146 { [%eval 0.21] } { The position is equal. } (10... Bf6 11. Re1 (11. Nbd2 Na5 12. Bc2 g6 { [#] } (12... Bf5 $14) 13. Ne4 (13. Re1!) 13... Bg7 $16 14. a4 Be6 (14... b4) 15. Nfg5 (15. d4 $16) 15... Bd7 16. Nc5 { Threatens to win with axb5. } 16... Bc6 17. Bd2 Nb7 18. Nxb7 Bxb7 19. c4? (19. Ne4 { and White has nothing to worry. }) 19... Nf4 $19 20. Bxf4 exf4 21. Nf3 b4 22. Rb1 c5 { Prevents d4. } 23. b3 (23. d4 cxd4 24. Re1) 23... Re8 24. Qd2? (24. Re1) 24... Qd6 { White must now prevent ...Bxf3. } 25. Rfe1 { Park,S (1927)-Shevkunov,V (2144) chess.com INT 2026 0-1 (39) } (25. d4 Bxf3 26. gxf3)) 11... Be6 12. Bc2 Qd7 13. Nbd2 Rad8 14. Ne4 Be7 15. Neg5 Bf5 16. Nh4 f6 (16... Bxg5 17. Bxg5 f6 18. Nxf5 fxg5) 17. Nxf5 $16 Qxf5?? (17... fxg5 $16 18. Nxe7+ Qxe7) 18. d4 $18 fxg5 19. Bxf5 Rxf5 20. Be3 Kh8 21. Qc2 Rdf8 22. Re2 b4 23. c4 Nxe3 24. fxe3 exd4 25. Qe4 { Chabot,M (1674)-Desbiens,R (1812) Ste Foy 2017 0-1 (49) }) (10... Bb7 11. Re1 Bc5 (11... Qd7 12. Nxe5 Nxe5 13. Rxe5 c5 14. Qg4 (14. Bxd5 Bxd5 15. Bf4) 14... Qd6 (14... f5!? { [%cal Rf5g4] } 15. Qh5 g6) 15. Re1 Rae8 16. Nd2 Nf6 17. Qd1! Qxd3 (17... Bd8 $15 { is superior. }) 18. Nf3 Qxd1 19. Bxd1 Bd6 20. Kf1 Nd5 21. a4 b4 22. Bd2 Bf4 23. Rxe8 Rxe8 24. Be1 a5 25. Be2 { Duda,J (2725)-Mamedov,E (2509) London ENG 2025 0-1 (44) }) 12. Nbd2! $14 Nf4 (12... Nf6 $14) 13. d4 exd4 (13... Be7 $16) 14. Ne4 $18 Bd6 15. cxd4 (15. Nfg5! $18 { And now Bxf4 would win. } 15... dxc3 16. Bxf4 Bxf4 17. Qh5 Bxg5 18. Nxg5) 15... Nb4 (15... Na5! $14) 16. a3? (16. Bxf4 $16 Bxf4 17. a3) 16... Nbd3 17. Re3 Nxc1 18. Rxc1 Re8 (18... a5 $14) 19. Nc5 (19. Nfg5 $16 Rf8 20. Qc2 Bxe4 21. Nxe4) 19... Bxc5? (19... Bd5 { and Black is okay. }) 20. Rxc5 $18 Qf6? (20... Rf8 21. Ng5 Bd5) 21. Rxc7 (21. Ng5 Rxe3 22. fxe3) 21... Rxe3? (21... Bd5 22. Rxe8+ Rxe8) 22. Rxf7? (22. fxe3 $18 Nxh3+ 23. gxh3 Bxf3 24. Qc2) 22... Nxh3+ (22... Rxb3! 23. Rxf6 Rd3) 23. Kf1 $16 Rxb3 24. Rxf6 Bd5 (24... Rxb2 $16 { was called for. } 25. gxh3 gxf6) 25. gxh3? { Lopez,M (2163)-Rogov,M (2191) chess.com INT 2024 1-0 (64) } (25. Rf5 $18 { has better winning chances. } 25... Bc4+ 26. Ke1)) (10... Bf5 11. Re1 Bf6 12. a4 { Strongly threatening axb5. } 12... b4 13. a5 Bg6 14. Nh2 (14. d4 $14 exd4 15. cxd4) 14... h5 15. Qf3 Nde7 (15... Nce7! { keeps the balance. }) 16. Rd1 (16. Bc4 $16) 16... Qd7 17. Nf1 Rfd8 { White should prevent ...Rab8. } 18. Ng3 Rab8 19. Nxh5? (19. Bc4 $15) 19... bxc3 $19 20. Nxf6+ gxf6 21. Qxf6 Rxb3 22. Bh6 Nf5 { Prevents Qg7+. } 23. Nxc3 Nxh6 24. Ne4 Qe6 25. Qg5 { Bagiryan,V (1948)-Kravtsiv,M (2598) Lviv UKR 2024 0-1 (34) }) 11. Re1 { [%eval 0.24] } 11... Bf6 { [%eval 0.7] } (11... Bb7) 12. Nbd2 $14 { [%eval 0.66] } 12... Re8 { [%eval 0.77] } 13. Ne4 { [%eval 0.8] [%cal Bc1h6] } 13... Nb6 { [%eval 1.64] [#] } (13... Be6 14. Nc5 Na5 15. Nxe5 Nxb3 16. axb3 Bxh3 17. Nxf7 Rxe1+ 18. Qxe1 Qf8 19. gxh3) 14. d4? { [%eval 0.17] } { Mistake. Nh2 was best. } (14. Nh2 Na5 15. Bc2 Bf5 16. Ng4 Bh4 17. Bxh6 Bxe4 18. Rxe4 f5 19. Rxe5 fxg4) 14... Be6?! { [%eval 0.79] } { Inaccuracy. Bf5 was best. } (14... Bf5 15. dxe5 Bxe5 16. Qxd8 Raxd8 17. Nxe5 Nxe5 18. Bf4 Na4 19. Bxa4 Nd3 20. Bc2) 15. Nxf6+ $16 { [%eval 0.89] } (15. dxe5 { keeps more tension. } 15... Bxe5 16. Qxd8 Raxd8 17. Nc5) 15... gxf6?? { [%eval 3.48] } { Blunder. Qxf6 was best. } (15... Qxf6 16. dxe5 Qg6 (16... Bxb3 17. exf6 Bxd1 18. Rxd1 Rad8 19. Rxd8 Rxd8 20. Be3 Nc4 21. fxg7)) 16. Bxh6 { [%eval 3.54] } 16... Bxb3 { [%eval 3.32] } 17. axb3 { [%eval 3.52] } { Nh4 is the strong threat. } 17... exd4 { [%eval 4.19] } 18. Rxe8+ { [%eval 4.14] } 18... Qxe8 { [%eval 4.06] } 19. Nxd4 { [%eval 3.94] } { White wants to mate with Qg4+. } 19... Nxd4?? { [%eval #2] } { Checkmate is now unavoidable. Ne7 was best. } (19... Ne5 $18 20. f4 Ng6) (19... Ne7 20. Qf3 Ng6 21. Qxf6 Qe5 22. Qf3 a5 23. Nc6 Qe6 24. Rxa5 Rxa5 25. Nxa5) 20. Qg4+ { [%eval #1] } { Weighted Error Value: White=0.30/Black=1.31 } { PRECISÃO: BRANCAS 94% PRETAS 75% } 1-0


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.5"]
[White "Carlos Alberto, de Carvalho"]
[Black "Rocine Castelo, de Carvalho"]
[Result "1/2-1/2"]
[WhiteElo "1941"]
[BlackElo "1644"]
[Variant "Standard"]
[ECO "D00"]
[Opening "Queen's Pawn Game: Levitsky Attack"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Carlos Alberto, de Carvalho - Rocine Castelo, de Carvalho"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/9x3lZV4O"]
[Annotator "https://lichess.org/@/carevchess"]

1. d4 { [%eval 0.15] } 1... d5 { [%eval 0.27] } 2. Bg5 { [%eval -0.18] } 2... Bf5 { [%eval 0.22] } 3. Nd2 { [%eval -0.05] } 3... Nd7 { [%eval 0.0] } (3... c6 4. e3 h6 5. Bh4 Qb6 6. Qc1 Nd7 7. c4 c5 8. Ne2 Ngf6 9. cxd5 Nxd5 10. Nc3 Nb4 11. e4 cxd4 12. exf5 dxc3 13. Qxc3 Qd4 14. Qxd4 Nc2+ 15. Kd1 Nxd4 16. Bd3 Nc5 17. Bb1 O-O-O 18. f3 { Novik,M (2490)-Panarin,M (2486) Playchess.com INT 2005 0-1 (46) }) (3... h6 4. Bh4 Nd7 5. e3 Ngf6 6. Ngf3 e6 7. Bd3 Bxd3 8. cxd3 Be7 9. O-O c6 10. e4 O-O 11. e5 Nh7 12. Bg3 f5 13. exf6 Bxf6 14. Re1 Re8 15. Qc2 Nhf8 16. Ne5 Nxe5 17. dxe5 Be7 18. d4 { Aakash,G (2123)-Hofstadler,M (2172) chess.com INT 2025 0-1 (52) }) 4. e3 { [%eval -0.02] } 4... Ngf6 { [%eval 0.0] } 5. c4 { [%eval -0.11] } 5... e6 { [%eval -0.02] } 6. f3?! $146 { [%eval -0.88] } { Inaccuracy. Ngf3 was best. } (6. Ne2 c6 7. Nc3 Be7 8. Be2 O-O 9. O-O h6 10. Bh4 Qb6 11. c5? (11. Qb3 { and White is okay. }) 11... Qxb2 $19 12. Rc1 b5 (12... e5 $19 13. Nf3 exd4 14. Nxd4 Bg6) 13. f3 e5 14. Nb3 { [%cal Be2b5] } 14... b4 (14... Qa3 $17 { Strongly threatening ...a5. } 15. e4 dxe4 16. fxe4 Bh7) 15. Nb1 (15. dxe5 { and White has nothing to worry. } 15... bxc3 16. exf6 Bxf6 17. Bxf6 Nxf6 18. Bd3) 15... Qxa2 $19 16. N1d2 { [%cal Be3e4] } 16... Qb2? (16... a5 $19 { White must now prevent ...a4. } 17. Ra1 Qb2 18. Rxa5 Qc3) 17. e4 (17. Ba6! $14) 17... Be6 18. Rc2 Qa3 19. Qb1 { [#] } (19. dxe5 $15 Nxe5 20. Qb1) 19... dxe4? (19... a5! $17 { stays on course. ...a4 is the strong threat. } { [%cal Ra5a4] } 20. Ra2 Qxa2 21. Qxa2 a4) 20. Ra2 $16 Qxa2 { Sichinava,Z (2340)-Rodkin,F (2175) St Petersburg 2011 1-0 }) (6. Ngf3 Be7 7. Be2 h6 8. Bxf6 Nxf6 9. O-O a5 10. Qb3 O-O) 6... Bb4 { [%eval -0.64] } 7. a3 { [%eval -0.76] } 7... Bxd2+? { [%eval 0.69] } { Mistake. Be7 was best. } (7... Be7 8. cxd5 exd5 9. Nb3 O-O 10. Bd3 Bxd3 11. Qxd3 h6 12. Bh4 c5 13. dxc5) 8. Qxd2 $14 { [%eval 0.61] } { White is slightly better. } 8... c5 { [%eval 0.63] } 9. cxd5 { [%eval 0.68] } (9. Ne2 { looks sharper. } 9... O-O 10. cxd5 exd5 11. h4) 9... exd5 { [%eval 0.69] } 10. Bxf6 { [%eval 0.26] } 10... Qxf6 { [%eval 0.27] } 11. dxc5 { [%eval 0.0] } { And now Bb5 would win. } (11. Ne2!? { [%cal Re2f4] }) 11... O-O { [%eval 0.07] } 12. Rc1 { [%eval 0.04] } 12... Rac8 { [%eval 0.13] } 13. b4 { [%eval 0.1] } 13... Be6? { [%eval 1.75] } { Mistake. Ne5 was best. } { [#] } (13... Ne5 14. Qd4 b6 15. f4 Qh4+ 16. g3 Qh6 17. Qxe5 Be4 18. Qg5 Qe6 19. f5) 14. Qd4 $18 { [%eval 1.66] } 14... Qg5 { [%eval 2.02] } 15. h4?! { [%eval 1.09] } { Inaccuracy. Kf2 was best. } (15. Kf2 Nb8 16. h4 Qe7 17. h5 Nc6 18. Qh4 f6 19. Bb5 Ne5 20. Qd4 a6) 15... Qg6? { [%eval 2.54] } { Mistake. Qg3+ was best. } (15... Qg3+ 16. Kd1 Nf6 (16... Qb8 17. Ne2 Ne5 18. Ke1 b6 19. Kf2 bxc5 20. bxc5 Rfd8 21. Nf4)) 16. Kf2 { [%eval 2.61] } 16... Rfe8 { [%eval 3.01] } 17. g4 { [%eval 2.34] } 17... h5 { [%eval 2.47] [%cal Rh5g4] } 18. Bd3 { [%eval 2.65] } 18... f5?! { [%eval 4.0] } { Inaccuracy. Qf6 was best. } (18... Qf6 19. Qxf6 (19. gxh5 Ne5 $16) (19. g5 Qe7 20. Ne2 Nb8 21. b5 a6 22. Nf4 g6 23. a4 Qc7 24. Rc3) 19... Nxf6) 19. gxh5 { [%eval 3.81] } 19... Qxh5 { [%eval 3.91] } 20. Nh3 { [%eval 3.45] } { White is clearly winning. } 20... Qf7?! { [%eval 4.39] } { Inaccuracy. Bf7 was best. } (20... Bf7 21. Nf4 Qh6 22. Bxf5 Rc7 23. Rcg1 Ne5 24. Nxd5 Qc6 25. e4 b6 26. Rg5) 21. Rhg1 { [%eval 4.23] } 21... Nf6 { [%eval 4.78] } 22. Ng5 { [%eval 3.92] } { Weighted Error Value: White=0.28 (precise) /Black=0.66. An unexpected result. } { PRECISÃO: BRANCAS 92% PRETAS 83% } 1/2-1/2


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.6"]
[White "Klebson, Rodrigues Dos Reis"]
[Black "Wagner, Dias Fernandes"]
[Result "0-1"]
[WhiteElo "1800"]
[BlackElo "1800"]
[Variant "Standard"]
[ECO "B28"]
[Opening "Sicilian Defense: O'Kelly Variation"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Klebson, Rodrigues Dos Reis - Wagner, Dias Fernandes"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/SIoRY05C"]
[Annotator "https://lichess.org/@/carevchess"]

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.32] } 2. Nf3 { [%eval 0.2] } 2... a6 { [%eval 0.47] } 3. Bc4 { [%eval 0.11] } 3... e6 { [%eval 0.0] } 4. c3 { [%eval -0.2] } 4... b5 { [%eval 0.0] } 5. Bb3 { [%eval 0.0] } 5... c4 { [%eval 0.24] } 6. Bc2 { [%eval 0.22] } 6... Nc6 { [%eval 0.25] } 7. d4 { [%eval 0.23] } (7. O-O Bb7 8. a4 Nf6 (8... b4!? { [%cal Rb4b3] } 9. Qe2 d5) 9. Re1 (9. d4) 9... Be7 (9... b4 10. e5 Nd5) 10. b3 (10. e5 $14 Nd5 11. d3) 10... cxb3 11. Bxb3 O-O 12. axb5 axb5 13. Rxa8 Qxa8 14. e5 Ne8 15. d4 Na5 16. Bc2 g6 17. Bh6 Ng7 18. Nbd2 d6 19. Ne4 Bxe4 20. Rxe4 dxe5 21. Nxe5 Qd5 { Marchesich,G (2212)-Ambartsumova,K (2405) chess.com INT 2025 0-1 (31) } (21... Nc6)) 7... cxd3! { [%eval 0.19] } 8. Qxd3 { [%eval 0.34] } { White has an edge. } 8... Bb7 { [%eval 0.41] } 9. O-O { [%eval 0.32] } 9... h6 $146 { [%eval 0.64] } (9... Be7 10. Re1 d6 11. Be3 Nf6 { and Black stays safe. } (11... e5 12. a4! $18 (12. Nbd2 Bc8 $16 (12... h6 13. a4 $18 (13. c4 Nb4 14. Qb3 Nxc2 15. Qxc2 Nf6 $15 (15... bxc4 16. Qxc4 (16. Nxc4!? { [%cal Rc2b3] } 16... Nf6 17. Nb6 $14) 16... Rc8 17. Qb3 Qd7 (17... Ba8 18. Rac1 Rb8 $16 (18... Nf6 19. Qa4+! Kf8 { was called for. } (19... Nd7 20. Bb6! { [%cal Rb6d8] } 20... Rxc1 (20... Qxb6 21. Rxc8+ Bd8 22. Rec1 Bb7 23. R8c3 Qb5 (23... O-O 24. Qxd7 { EugenioEd235 (2024)-Bolsonarochess (1869) lichess.org 2023 1-0 (38) })) 21. Bxd8 Rxe1+ 22. Nxe1 Kxd8 23. Qxa6 Kc7 24. Qc4+ Bc6) 20. Qxa6 Rb8) 19. Qa4+ Qd7 20. Qxa6 Nf6)))) (12... Rb8 $16)))) (9... Qc7 { keeps the balance. }) 10. Re1 { [%eval 0.56] } 10... Nge7 { [%eval 0.8] } 11. e5 { [%eval 0.26] } (11. a4 $14) 11... Ng6 { [%eval 0.53] } 12. b3?! { [%eval -0.28] } { Inaccuracy. a4 was best. } (12. Nbd2) (12. a4 b4 13. Qc4 Rc8 14. Qg4 Nce7 15. Nbd2 Qc7 16. Qxb4 Nf5 17. Qb3 Bc5) 12... Be7 { [%eval -0.31] } 13. h4?! { [%eval -1.02] } { Inaccuracy. a3 was best. } (13. Nbd2 $15) (13. a3 Qc7 14. Qe3 Na5 15. Nbd2 O-O 16. Bb2 Bc5 17. Qe2 Bd5 18. g3 Rad8) 13... Nxh4 { [%eval -0.59] } 14. Nxh4 { [%eval -0.52] } 14... Bxh4 { [%eval -0.59] [%cal Be7h4,Bh4g5,Bg5f6,Bf6d4] } 15. Bb2?! { [%eval -1.45] } { Inaccuracy. a4 was best. } (15. a4 Qb6 16. Qf1 Bg5 17. Nd2 Qc7 18. f4 Be7 19. axb5 Nd4 20. cxd4 Qxc2) 15... Qb6 $19 { [%eval -1.51] } 16. Re2?! { [%eval -2.23] } { Inaccuracy. Qe3 was best. } (16. Qd2) (16. Qe3 Qxe3 17. Rxe3 O-O 18. Be4 Rfd8 19. a4 Bg5 20. Re1 Rab8 21. axb5 axb5) 16... Nxe5! { [%eval -2.24] [%cal Bc6e5,Be5g6,Bg6f4,Bf4g2] } 17. Qd2?! { [%eval -2.93] } { Inaccuracy. Qh3 was best. } (17. Qh3 Bf6 18. Nd2 h5 19. a4 Rc8 20. axb5 axb5 21. Rd1 Ng4 22. Be4 Ba6) 17... Bg5 { [%eval -2.88] } 18. Qd4 { [%eval -3.38] } 18... Qxd4 { [%eval -3.28] } 19. cxd4 { [%eval -3.32] } 19... Ng6 { [%eval -3.1] } 20. Nc3?! { [%eval -4.45] } { Inaccuracy. Bxg6 was best. } (20. Bxg6 fxg6 21. d5 Bxd5 22. Bxg7 Rg8 23. Be5 Rc8 24. Nc3 Bb7 25. a4 b4) 20... Nf4 { [%eval -4.37] } 21. Ree1 { [%eval -4.52] } 21... Nxg2 { [%eval -4.45] } 22. Re5 { [%eval -4.54] } 22... Bf6?! { [%eval -3.47] } { Inaccuracy. O-O was best. } (22... O-O 23. Ne4 Nf4 24. Nd6 Bd5 25. Bc1 Ra7 26. Ba3 Be7 27. Rxd5 Nxd5 28. Be4) 23. Rc5 { [%eval -4.15] } 23... O-O?! { [%eval -3.28] } { Inaccuracy. Nf4 was best. } (23... Nf4 24. Rc7 Bc6 25. Be4 Kd8 26. Bxc6 Kxc7 27. Bf3 Rhc8 28. Ne4 d5 29. Nc5) 24. Rc7 { [%eval -3.29] } 24... Bc6 { [%eval -3.18] } 25. Rxc6 { [%eval -3.44] } 25... dxc6 { [%eval -3.36] } 26. Kxg2 { [%eval -3.39] } 26... Bxd4 { [%eval -3.43] } 27. Be4 { [%eval -3.36] } 27... Rac8 { [%eval -3.3] } 28. Rc1 { [%eval -3.1] } 28... b4 { [%eval -2.69] } 29. Na4 { [%eval -2.65] } 29... e5?? { [%eval -0.78] } { Blunder. Rfd8 was best. } (29... Bxb2 $19 { and Black stays clearly on top. } 30. Nxb2 Rfd8) (29... Rfd8 30. Kf3 g5 31. Bxd4 Rxd4 32. Nc5 Rcd8 33. Kg3 Rd1 34. Rxd1 Rxd1 35. Nxa6) 30. Bxd4 $17 { [%eval -0.76] } 30... exd4 { [%eval -0.83] } 31. Rc4?! { [%eval -1.66] } { Inaccuracy. Bd3 was best. } (31. Bd3 a5 32. Rc5 Rfd8 33. Rxa5 Rd5 34. Ra7 Rg5+ 35. Kf1 h5 36. Bc4 Rf5) 31... Rfd8?! { [%eval -0.64] } { Inaccuracy. c5 was best. } (31... c5 32. Nb6 (32. Rc1 Rfd8 33. Nb2 Rc7 34. Bd3 Rd5 35. Bxa6 g6 36. Bd3 Re7 37. Nc4) 32... Rcd8) 32. Nb2?! { [%eval -1.71] } { Inaccuracy. Nc5 was best. } (32. Nc5 d3 33. Nxd3 a5 34. Ne5 Re8 35. f4 c5 36. Rc1 Re7 37. Rd1 g5) 32... Rb8? { [%eval -0.09] } { Mistake. c5 was best. } (32... c5 33. Nd3 (33. Rc1 a5 34. Bd3 g6 35. Nc4 Rc7 36. Rc2 Re8 37. Nxa5 h5 38. Kg3) 33... g6) 33. Rxc6 { [%eval -0.16] } 33... a5 { [%eval 0.0] } 34. Ra6 { [%eval -0.42] } 34... Rb5 { [%eval -0.39] } { aiming for ...Rg5+. } 35. Bd3 { [%eval -0.75] } 35... Rg5+ { [%eval -0.47] } 36. Kh3?! { [%eval -1.04] } { Inaccuracy. Kh2 was best. } (36. Kh2 Re8 37. Nc4 g6 38. f4 Rc5 39. f5 gxf5 40. Rxh6 Re1 41. Rd6 Ra1) 36... Kf8?! { [%eval -0.4] } { Inaccuracy. h5 was best. } (36... h5 37. f4 (37. Nc4 g6 38. f4 Rg4 39. f5 gxf5 40. Rxa5 f4 41. Ne5 Rg3+ 42. Kh4) 37... Rg4 38. Rxa5 g6) 37. Bc4? { [%eval -1.58] } { Mistake. Nc4 was best. } (37. Nc4 g6 38. f4 Rg1 39. Ne5 Re8 40. Rxa5 Rd1 41. Bc4 h5 42. Kg2 Re7) 37... Re8 $19 { [%eval -1.6] } 38. Nd3 { [%eval -1.52] } 38... Re2?! { [%eval -0.77] } { Inaccuracy. h5 was best. } (38... g6 $19 { has better winning chances. Strongly threatening ...Re2. } 39. Rf6 Re7) (38... h5 39. Rd6 Re4 40. f4 Ke7 41. Ra6 Rf5 42. Kg2 g6 43. Ra8 Re2+ 44. Kf3) 39. Ra8+ { [%eval -1.31] [#] } (39. Nxb4 Rxf2 40. Ra8+ Ke7 41. Nc6+ Kd6 42. Nxd4) 39... Ke7? { [%eval 0.0] } { Mistake. Re8 was best. } (39... Re8 40. Ra7 Rf5 41. Kg3 g6 42. Rd7 Re2 43. f4 h5 44. Rxd4 Rxa2 45. Rd7) 40. Ra7+ { [%eval 0.0] } 40... Kf8 { [%eval 0.0] } 41. Rxf7+ { [%eval 0.03] } 41... Ke8 { [%eval 0.2] } 42. Rf4 { [%eval 0.0] } 42... Rxa2 { [%eval 0.0] } 43. Rxd4 { [%eval -0.03] } 43... Ra1 { [%eval 0.0] [%cal Ra1h1] } 44. Re4+ { [%eval -0.02] } 44... Kd8 { [%eval 0.0] [%cal Ra1h1] } 45. Kh2 { [%eval -0.1] } { Against Rh1+ } 45... Rh5+ { [%eval 0.04] } 46. Kg2 { [%eval 0.0] } 46... Rg5+ { [%eval 0.03] } 47. Kf3 { [%eval 0.04] } 47... Rh1 { [%eval 0.33] } 48. Rd4+ { [%eval 0.36] } { White has compensation. } 48... Kc7 { [%eval 0.57] } 49. Nf4 { [%eval 0.16] } { And now Ne6+ would win. } 49... Kb6 { [%eval 0.44] } 50. Ne6 { [%eval 0.57] } 50... Rh3+? { [%eval 2.26] } { Mistake. Rf5+ was best. } (50... Rf5+ 51. Kg2 (51. Ke3 Re1+ 52. Kd2 Rxe6 53. Bxe6 Rxf2+ 54. Ke3 Rc2 55. Ke4 g5 56. Bd7) 51... Rc1) 51. Ke2?? { [%eval 0.0] } { Blunder. Ke4 was best. } (51. Ke4 Rh4+ 52. f4 Rg1 53. Rd6+ Ka7 54. Ra6+ Kb7 55. Rxa5 Re1+ 56. Kd4 Rd1+) 51... Re5+ { [%eval 0.0] } 52. Kf1 { [%eval 0.0] } 52... g5 { [%eval 0.28] } 53. Rd6+ { [%eval 0.29] } 53... Ka7 { [%eval 0.38] } 54. Rd7+ { [%eval 0.49] } 54... Kb8 { [%eval 0.62] } 55. Rd8+ { [%eval 0.12] } 55... Ka7 { [%eval 0.24] } 56. Rd7+ { [%eval 0.28] } 56... Kb8 { [%eval 0.71] } 57. Rf7?! { [%eval 0.0] } { Inaccuracy. Nd4 was best. } (57. Nd4 Rc5 58. Ba6 Rhc3 59. Kg2 h5 60. Rb7+ Kc8 61. Rg7+ Kb8 62. Nb5 Rxb5) 57... Rc3 { [%eval 0.23] } 58. Nd8? { [%eval -0.93] } { Mistake. Nf8 was best. } (58. Nd4 Rc1+ 59. Kg2 Rxc4 60. bxc4) (58. Nf8 Rc1+ 59. Kg2 Ree1 60. Nd7+ Kc7 61. Nc5+ Kc6 62. Rf5 Kd6 63. Rd5+ Kc7) 58... Rc5! $15 { [%eval -1.04] [%cal Ba5a4] } 59. Ne6 { [%eval -1.0] } 59... R5xc4 { [%eval -1.05] } 60. bxc4 { [%eval -1.21] } 60... Rxc4 { [%eval -1.59] } 61. Rf3?? { [%eval -4.21] } { Blunder. Rf5 was best. } (61. Rf5 a4 62. Rc5 Rxc5 63. Nxc5 a3 64. Na6+ Kc8 65. Nxb4 Kd7 66. Kg2 Ke6) 61... a4 $19 { [%eval -3.93] } { Black is clearly winning. } { [%cal Ba5a4,Ba4a3] } 62. Rd3?! { [%eval -5.23] } { Inaccuracy. Rf5 was best. } (62. Rf5 b3 63. Rb5+ Kc8 64. Nc5 b2 65. Nxa4 Rc1+ 66. Kg2 b1=Q 67. Rxb1 Rxb1) 62... b3 { [%eval -5.27] [%cal Bb4b3,Bb3b2] } 63. Rd1?! { [%eval -6.97] } { Inaccuracy. Rd5 was best. } (63. Rd5 Rb4 64. Rd8+ Ka7 65. Rd7+ Kb6 66. Rd6+ Kb5 67. Nc7+ Kc4 68. Rc6+ Kd4) 63... a3 { [%eval -5.77] } 64. Rb1?! { [%eval -8.74] } { Inaccuracy. Rd8+ was best. } (64. Rd8+ Kb7 65. Rd3 b2 66. Rb3+ Kc8 67. Kg2 a2 68. Rxb2 a1=Q 69. Rd2 Rg4+) 64... b2 { [%eval -8.44] } { Weighted Error Value: White=0.55/Black=0.43 } { PRECISÃO: BRANCAS 86% PRETAS 90% } 0-1


[Event "II TORNEIO INTERNO CXG 2026"]
[Site "Av. Churchill, 109 sl 101 - C"]
[Date "2026.04.16"]
[Round "2.7"]
[White "Ruben, Barat"]
[Black "Sirlei, Pereira Azevedo"]
[Result "0-1"]
[WhiteElo "1800"]
[BlackElo "1956"]
[Variant "Standard"]
[ECO "B50"]
[Opening "Sicilian Defense: Delayed Alapin Variation, with d6"]
[StudyName "II INTERNO CXG 2026 - TROFÉU MARCOS KATZ - ROD2"]
[ChapterName "Ruben, Barat - Sirlei, Pereira Azevedo"]
[ChapterURL "https://lichess.org/study/TI1RnhZ4/eVJxA3DW"]
[Annotator "https://lichess.org/@/carevchess"]

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.32] } 2. Nf3 { [%eval 0.2] } 2... d6 { [%eval 0.31] } 3. c3 { [%eval 0.0] } 3... Nf6 { [%eval 0.0] } 4. Bd3 { [%eval 0.0] [%cal Bf1d3,Bd3c2,Bc2a4] } 4... e6 { [%eval 0.34] } 5. c4?! $146 { [%eval -0.44] } { Inaccuracy. O-O was best. } (5. O-O Be7 6. Bc2 O-O (6... b5 7. d4 cxd4 8. cxd4 Bb7 9. Re1 O-O) 7. d4 Nbd7 8. Qe2 Qc7 9. Bg5 h6 10. Bh4 cxd4 11. cxd4 e5 12. Nc3 b6 13. Rfd1 a6 14. Rac1 Bb7 15. Ba4 exd4 16. Nd5 Qd8 17. Nxe7+ Qxe7 18. Bxd7 Qxd7 19. Bxf6 gxf6 { Pfeiffer,G-Wantz,F Luxembourg 1955 1-0 (39) }) (5. Bc2 d5 (5... Nbd7 6. O-O Qc7 7. d4 Be7 8. Re1 e5 9. Nbd2 O-O 10. Nf1 Re8 11. Ng3 g6 12. h3 Bf8 13. Bg5 h6 14. Be3 Bg7 15. Qd2 Kh7 16. d5 Rb8 17. Nh2 b5 18. Rf1 Ba6 19. b3 Rbd8 { Timoscenko,G (2510)-Maya,H (2370) Bayamo 1981 1-0 (33) }) (5... Be7 6. O-O O-O (6... Nc6 7. Re1 O-O 8. d3 b5 9. Nbd2 b4 10. Nf1 Ba6 11. Ng3 Rb8 12. Bd2 Qd7 13. d4 bxc3 14. Bxc3 cxd4 15. Nxd4 Nxd4 16. Qxd4 Rfc8 17. Rad1 Qc7 18. Bb1 Qc5 19. Qd2 Nd7 { Lein,A-Geller,A Leningrad 1955 ½-½ }) 7. d4 Na6 8. a3 h6 9. Qe2 Nh7 10. Rd1 Bd7 11. e5 d5 12. Qd3 f5 13. exf6 Nxf6 14. Bxh6 Ne4 15. Be3 Nc7 16. Nbd2 c4 17. Qe2 Nd6 18. Ne5 Nf5 19. Ng6 Nxe3 { Iveljic,I (2289)-Radovic,S (1897) Bosnjaci 2008 1-0 (35) }) 6. e5 Nfd7 7. O-O Nc6 8. d4 Be7 9. a3 a6 10. b4 cxd4 11. cxd4 Nb6 12. Nc3 Bd7 13. Ne2 Nc4 14. Ne1 f5 15. f4 O-O 16. Kh1 Kh8 17. Rg1 b5 18. g4 g6 19. Qd3 a5 { Gumprich,K-Ahues,C Hamburg 1953 ½-½ (59) }) 5... Be7 { [%eval -0.35] } 6. Bc2 { [%eval -0.37] } 6... Nc6 { [%eval -0.33] } 7. d3 { [%eval -0.46] } 7... h6 { [%eval -0.36] } 8. Ba4 { [%eval -0.5] } { Black is slightly better. } 8... O-O { [%eval -0.23] } 9. Nc3 { [%eval -0.5] } 9... a6?! { [%eval 0.48] } { Inaccuracy. e5 was best. } (9... e5 10. h3 Nh7 11. Nd5 f5 12. a3 Nd4 13. Nxd4 cxd4 14. exf5 Bxf5 15. O-O) 10. b3?? { [%eval -1.32] } { Blunder. Bxc6 was best. } (10. Bxc6 bxc6 11. e5 dxe5 (11... Nd7 12. Qe2 d5 13. Bf4 a5 14. O-O a4 15. b3 Nb6) 12. Nxe5) 10... Bd7?! { [%eval -0.36] } { Inaccuracy. Na7 was best. } (10... Nd4 $17 { Strongly threatening ...e5. } 11. O-O Rb8) (10... Na7 11. O-O Rb8 12. b4 cxb4 13. Be3 Nc6 14. Ne2 Ng4 15. Bf4 Nge5 16. Ne1) 11. Be3?! { [%eval -1.2] } { Inaccuracy. O-O was best. } (11. O-O Qc7 12. Bb2 b6 13. h3 Rab8 14. Rb1 Rfe8 15. a3 Ne5 16. Bxd7 Nfxd7) 11... Rb8?! { [%eval -0.51] } { Inaccuracy. Qa5 was best. } (11... Qa5 12. Qd2 (12. Bd2 b5 13. Nxb5 Nb4 14. Nc3 Nxd3+ 15. Ke2 Nb2 16. Qc2 Nxa4 17. Nxa4) 12... Ng4 13. Bxc6 Bxc6) 12. Nd2?? { [%eval -2.6] } { Blunder. O-O was best. } { [#] } (12. O-O Ng4 13. Bd2 Bf6 14. Bxc6 Bxc6 15. Qc2 Ne5 16. Nxe5 Bxe5 17. Rae1 f5) 12... Nb4? { [%eval -1.22] } { Mistake. b5 was best. } (12... b5 13. cxb5 Ne5 14. bxa6 Nxd3+ 15. Ke2 (15. Kf1 Nb2 16. Qf3 Nxa4 17. Nxa4 Bxa4 18. bxa4) 15... Nb2) 13. Qb1?? { [%eval -3.52] } { Blunder. Bxd7 was best. } (13. Bxd7 Nxd7 14. Nf3 Ne5 15. Nxe5 dxe5 16. O-O Qxd3 17. Qxd3 Nxd3 18. Rfd1 Rfd8) 13... Bxa4?! { [%eval -2.2] } { Inaccuracy. Ng4 was best. } (13... Ng4 14. Bxd7 Bf6 15. a3 Bxc3 16. axb4 Nxe3 17. fxe3 Bxa1 18. Qxa1 Qxd7 19. bxc5) 14. Nxa4 { [%eval -2.32] } 14... Ng4 { [%eval -2.29] } 15. Bf4? { [%eval -3.93] } { Mistake. a3 was best. } (15. a3 Nc6 16. O-O b5 17. Nb2 d5 18. exd5 exd5 19. cxb5 Qd6 20. g3 Rxb5) 15... Bf6 $19 { [%eval -4.06] } 16. f3 { [%eval -4.66] } 16... Bxa1 { [%eval -4.29] } 17. Qxa1?! { [%eval -6.63] } { Inaccuracy. fxg4 was best. } (17. fxg4 b5 18. Nxc5 e5 19. Nxa6 Nxa6 20. Be3 Bd4 21. Bxd4 exd4 22. cxb5 Rxb5) 17... Ne5? { [%eval -3.91] } { Mistake. Nc2+ was best. } (17... Nc2+ 18. Kd1 Nxa1 19. fxg4 b5 20. Nc3 Qa5 21. Ndb1 bxc4 22. dxc4 Rfd8 23. Bd2) 18. a3? { [%eval -6.97] } { Mistake. O-O was best. } (18. O-O Nexd3 19. Bxh6 gxh6 20. f4 Kh7 21. a3 Nxf4 22. Rxf4 Nd3 23. Rf6 Ne5) 18... Nbxd3+ { [%eval -6.49] } 19. Kf1 { [%eval -6.44] } 19... b5 { [%eval -6.29] } 20. Nb2 { [%eval -6.43] } { Weighted Error Value: White=1.37/Black=0.72 } { PRECISÃO: BRANCAS 70% PRETAS 81% } 0-1


