CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/uupS33am"] [Date "2022.07.15"] [White "Sofia2"] [Black "Brian"] [Result "0-1"] [UTCDate "2022.07.15"] [UTCTime "20:42:34"] [WhiteElo "1189"] [BlackElo "1589"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+11"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Kennedy Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. d4 Nc6?! { (0.09 → 0.71) Inaccuracy. exd4 was best. } { B00 Nimzowitsch Defense: Kennedy Variation } (2... exd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2) 3. f4?? { (0.71 → -1.59) Blunder. dxe5 was best. } (3. dxe5 Nxe5) 3... exf4?? { (-1.59 → 0.05) Blunder. exd4 was best. } (3... exd4 4. Nf3) 4. Nf3 Nf6 5. Nc3?! { (0.52 → 0.00) Inaccuracy. Qe2 was best. } (5. Qe2 Nh5) 5... d6? { (0.00 → 1.51) Mistake. Bb4 was best. } (5... Bb4 6. Bd3) 6. Bxf4 Bg4 7. Bd3?? { (1.35 → -0.88) Blunder. Bb5 was best. } (7. Bb5 a6 8. Bxc6+ bxc6 9. h3 Bh5 10. Qe2 Be7 11. O-O-O O-O 12. g4 Bg6 13. h4 d5) 7... Bxf3? { (-0.88 → 0.40) Mistake. Nxd4 was best. } (7... Nxd4 8. Be3 Nc6 9. Qe2 Be7 10. O-O-O Nd7 11. Nd5 O-O 12. Kb1 Nce5 13. h3 Be6 14. Rhf1) 8. Qxf3? { (0.40 → -0.80) Mistake. gxf3 was best. } (8. gxf3 Nxd4 9. Be3 Ne6 10. f4 c6 11. Qf3 Nd7 12. O-O-O g6 13. Bc4 Qe7 14. Kb1 Bg7) 8... Nxd4 9. Qd1 Ng4?? { (-1.31 → 9.27) Blunder. Be7 was best. } (9... Be7 10. e5) 10. Bg5?? { (9.27 → -8.07) Blunder. Qxg4 was best. } (10. Qxg4 h5 11. Qg3 Ne6 12. Be3 Be7 13. O-O Bf6 14. Qf3 Nd4 15. Qh3 c6 16. Rad1 Ne6) 10... Qxg5 11. Nd5 O-O-O?! { (-8.87 → -5.69) Inaccuracy. Ne5 was best. } (11... Ne5 12. O-O) 12. Bb5?! { (-5.69 → -10.00) Inaccuracy. h4 was best. } (12. h4 Qh5 13. c3 Ne6 14. Be2 Qe5 15. Bxg4 Qxe4+ 16. Kf2 c6 17. Bf3 Qc4 18. Ne3 Qc5) 12... c6 13. Bc4 cxd5 14. Bxd5?! { (-11.09 → Mate in 2) Checkmate is now unavoidable. Qxd4 was best. } (14. Qxd4 dxc4) 14... Qh4+? { (Mate in 2 → -7.54) Lost forced checkmate sequence. Qe3+ was best. } (14... Qe3+ 15. Kf1 Qf2#) 15. Kd2 Nf2 16. Ke1 Nxh1+ 17. Kd2 Qf2+ 18. Qe2?! { (-14.69 → Mate in 6) Checkmate is now unavoidable. Kd3 was best. } (18. Kd3 f5 19. exf5 Nxf5 20. Qg1 Re8 21. Qxf2 Nxf2+ 22. Kc3 Ne4+ 23. Kd3 Nc5+ 24. Kd2 g6) 18... Nxe2?! { (Mate in 6 → -27.30) Lost forced checkmate sequence. Qxe2+ was best. } (18... Qxe2+ 19. Kc3 Qe3+ 20. Kb4 Nxc2+ 21. Kc4 b5+ 22. Kxb5 Qc5+ 23. Ka4 Qb4#) 19. c4?! { (-27.30 → Mate in 6) Checkmate is now unavoidable. Bxb7+ was best. } (19. Bxb7+ Kb8 20. Rxh1 Ng3+ 21. Kc3 Qe3+ 22. Kc4 Nxh1 23. c3 Nf2 24. Bd5 Qe2+ 25. Kb3 Nd1) 19... Qd4+?! { (Mate in 6 → -29.02) Lost forced checkmate sequence. Nd4+ was best. } (19... Nd4+ 20. Kd3 Qc2+ 21. Ke3 Qe2+ 22. Kf4 g5+ 23. Kxg5 Rg8+ 24. Kh4 Qg4#) 20. Kxe2 Re8 21. Kf3?! { (-18.76 → Mate in 5) Checkmate is now unavoidable. Rxh1 was best. } (21. Rxh1 Qxb2+ 22. Kf3 Qa3+ 23. Ke2 Qxa2+ 24. Kd3 Qb3+ 25. Kd2 f6 26. Bxb7+ Qxb7 27. Kc3 Qxe4) 21... Nf2?! { (Mate in 5 → -22.47) Lost forced checkmate sequence. Qf2+ was best. } (21... Qf2+ 22. Kg4 Qe3 23. Be6+ fxe6 24. Rxh1 h5+ 25. Kh4 Be7#) 22. Kf4?! { (-22.47 → Mate in 5) Checkmate is now unavoidable. h3 was best. } (22. h3 Nd3) 22... Qe5+?! { (Mate in 5 → -24.29) Lost forced checkmate sequence. Nd3+ was best. } (22... Nd3+ 23. Kg4 h5+ 24. Kh4 Qf2+ 25. g3 Qxh2+ 26. Kg5 Re5#) 23. Ke3 Qd4+ 24. Kxd4 Be7 25. a4 Bf6+ 26. Ke3 Bh4 27. Bc6 Rxe4+ 28. Kd2 Bg5+ 29. Kc3 Bf6+ 30. Kb4 d5 31. Kb5 Rxc4 32. Bxd5 a6+ 33. Kb6 Rb4+ 34. Kc5 Rxb2?! { (Mate in 1 → -17.45) Lost forced checkmate sequence. Be7# was best. } (34... Be7#) 35. Rc1 b6+ 36. Kc6 Ng4 37. Rc5?! { (-17.01 → Mate in 10) Checkmate is now unavoidable. Bxf7 was best. } (37. Bxf7 Kb8) 37... Ne5+ 38. Kd6+ Kd8?! { (Mate in 9 → -11.32) Lost forced checkmate sequence. bxc5 was best. } (38... bxc5 39. Kxc5 Rd8 40. h4 Rc2+ 41. Kd4 Rd2+ 42. Ke3 R8xd5 43. Kf4 Rxg2 44. h5 Rd3 45. Kf5) 39. Rc6 Re8 40. Rxb6 Be7+ 41. Kxe5 Re2+ 42. Kf5 Rxg2?? { (-7.09 → -0.63) Blunder. Bd6 was best. } (42... Bd6) 43. Rxa6?? { (-0.63 → -11.23) Blunder. Bxg2 was best. } (43. Bxg2) 43... g6+ 44. Ke4 Bc5+ 45. Kf4 Rf2+ 46. Kg4 Re5 47. Kh4?! { (-12.39 → Mate in 7) Checkmate is now unavoidable. Bb7 was best. } (47. Bb7 h5+) 47... Rf4+?! { (Mate in 7 → -15.74) Lost forced checkmate sequence. Rxd5 was best. } (47... Rxd5 48. Ra8+ Kd7 49. Rb8 Rg2 50. Rb7+ Ke6 51. Re7+ Bxe7+ 52. Kh3 Rg1 53. a5 Rh5#) 48. Kg3 Be3 49. Kg2?! { (-12.00 → Mate in 8) Checkmate is now unavoidable. Ra8+ was best. } (49. Ra8+ Ke7) 49... Rxd5?! { (Mate in 8 → -65.20) Lost forced checkmate sequence. Rf2+ was best. } (49... Rf2+ 50. Kh3 Rxd5 51. Ra8+ Kc7 52. Re8 Bf4 53. Re7+ Kd8 54. Rd7+ Kxd7 55. a5 Rh5+ 56. Kg4) 50. Kg3?! { (-65.20 → Mate in 6) Checkmate is now unavoidable. h4 was best. } (50. h4 Kc7) 50... Rg5+ 51. Kh3 Bf2 52. Ra8+ Ke7 53. Rc8 Rh4# { Black wins by checkmate. } 0-1