CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/S8D02aiL"] [Date "2025.03.22"] [White "Sasha"] [Black "Maxim"] [Result "0-1"] [UTCDate "2025.03.22"] [UTCTime "17:41:29"] [WhiteElo "1533"] [BlackElo "1571"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+5"] [WhiteTitle "IM🧁"] [BlackTitle "GM🧂"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } c5 4. dxc5 Bxc5 5. e3 Nc6 6. c3 d5 7. Bb5 Qb6 8. Bxc6+?! { (-0.46 → -1.01) Inaccuracy. a4 was best. } (8. a4 a6 9. Bxc6+ bxc6 10. b4 Be7 11. a5 Qb5 12. Nd4 Qb7 13. O-O Nd7 14. Nb3 O-O) 8... bxc6 9. Qb3 Qxb3? { (-1.43 → -0.32) Mistake. Ba6 was best. } (9... Ba6 10. Nbd2 O-O 11. Qxb6 axb6 12. Ne5 Rfc8 13. a4 Bd6 14. Nd7 Nxd7 15. Bxd6 e5 16. f3) 10. axb3 Bb7 11. Nbd2 O-O? { (-0.33 → 0.92) Mistake. Nd7 was best. } (11... Nd7) 12. b4 Bb6 13. O-O?! { (0.68 → 0.16) Inaccuracy. Nb3 was best. } (13. Nb3 Ne4 14. Nfd2 Nxd2 15. Kxd2 f6 16. Nc5 Bxc5 17. bxc5 e5 18. Bg3 a6 19. Ra4 Rab8) 13... h6 14. Be5 Bd8?! { (0.35 → 1.36) Inaccuracy. c5 was best. } (14... c5 15. Bd6) 15. Bxf6 Bxf6 16. Nb3 Rac8?? { (1.47 → 6.22) Blunder. Rfb8 was best. } (16... Rfb8 17. Nc5) 17. Nc5 Ba8 18. Nd7 Rfd8 19. Nxf6+? { (7.32 → 3.67) Mistake. Rxa7 was best. } (19. Rxa7 Re8) 19... gxf6 20. Nd4 Rc7 21. Nb3 Bb7? { (3.32 → 5.91) Mistake. f5 was best. } (21... f5) 22. Rxa7 Rdd7 23. Nc5 Re7 24. e4 Bc8 25. Rxc7 Rxc7 26. exd5 cxd5 27. Nb3 Ba6 28. Re1?! { (4.51 → 3.11) Inaccuracy. Ra1 was best. } (28. Ra1 Bb5) 28... Bc4 29. Na5 Bb5 30. Nb3 Ra7 31. Nd4?? { (3.77 → 1.52) Blunder. Ra1 was best. } (31. Ra1 Rxa1+ 32. Nxa1 e5 33. f4 Kf8 34. Nc2 Ba4 35. Ne3 d4 36. Nc4 exf4 37. cxd4 Ke7) 31... Bc4?! { (1.52 → 2.43) Inaccuracy. Bd7 was best. } (31... Bd7) 32. g3? { (2.43 → 1.28) Mistake. b3 was best. } (32. b3 Bd3) 32... Ra2?! { (1.28 → 2.27) Inaccuracy. e5 was best. } (32... e5 33. Nc6 Ra2 34. b3 Bxb3 35. b5 d4 36. b6 Ra6 37. b7 Rb6 38. b8=Q+ Rxb8 39. Nxb8) 33. Rb1?? { (2.27 → 0.18) Blunder. b3 was best. } (33. b3 Bd3) 33... Bd3?? { (0.18 → 2.23) Blunder. e5 was best. } (33... e5 34. Nc6 Kf8 35. b5 Bxb5 36. Nb4 Ra5 37. f3 Bd7 38. Rd1 Be6 39. Rd2 Ra1+ 40. Kg2) 34. Rc1?? { (2.23 → -0.44) Blunder. Rd1 was best. } (34. Rd1 Bg6 35. Rd2 Kf8 36. f4 Ke7 37. Kf2 Kd6 38. f5 Bh5 39. c4 dxc4 40. Ke3 Kd5) 34... Rxb2 35. Nf3 Be4 36. Nd4 Kg7 37. Nb5? { (-0.42 → -1.58) Mistake. f3 was best. } (37. f3) 37... Bf3? { (-1.58 → -0.49) Mistake. f5 was best. } (37... f5 38. Nc7) 38. h4? { (-0.49 → -1.64) Mistake. Nd4 was best. } (38. Nd4 Be4 39. f3 Bd3 40. Rd1 Bc4 41. f4 h5 42. Re1 Bd3 43. Re3 Ba6 44. Rf3 Kf8) 38... h5?! { (-1.64 → -0.60) Inaccuracy. e5 was best. } (38... e5 39. Nd6) 39. Nd6? { (-0.60 → -1.81) Mistake. Nd4 was best. } (39. Nd4 Be4) 39... Kg6?! { (-1.81 → -1.16) Inaccuracy. Kf8 was best. } (39... Kf8) 40. b5 Be2 41. c4?? { (-0.58 → -3.51) Blunder. f4 was best. } (41. f4) 41... dxc4?? { (-3.51 → -0.96) Blunder. d4 was best. } (41... d4 42. Kg2) 42. Nxc4 Rxb5 43. Nd6 Rd5 44. Ne4?! { (-1.28 → -1.94) Inaccuracy. Nc8 was best. } (44. Nc8 Kg7 45. Kg2 Rd4 46. Rc2 Bd3 47. Rc3 Ba6 48. Rc7 f5 49. Nb6 Bb5 50. Rc5 Be2) 44... f5? { (-1.94 → -0.39) Mistake. Bf3 was best. } (44... Bf3 45. Nc3 Rd2 46. Na4 Kf5 47. Nb6 Rd3 48. Nc4 Kg4 49. Kh2 Be4 50. Re1 Kf3 51. Kg1) 45. Nc3 Rc5?? { (-0.50 → 5.78) Blunder. Rd2 was best. } (45... Rd2 46. Nxe2) 46. Rc2?? { (5.78 → -3.40) Blunder. Nxe2 was best. } (46. Nxe2 Rxc1+ 47. Nxc1 f4 48. gxf4 Kf5 49. f3 Kxf4 50. Kf2 Ke5 51. Ke3 Kd6 52. Kf4 f6) 46... Bd3 47. Rc1?! { (-2.88 → -3.76) Inaccuracy. Rc1 was best. } (47. Rc1) 47... Rc4?? { (-3.76 → -0.73) Blunder. f4 was best. } (47... f4 48. gxf4) 48. Kg2?? { (-0.73 → -3.57) Blunder. f4 was best. } (48. f4 f6 49. Kf2 e5 50. Ke3 Bf1 51. Rxf1 Rxc3+ 52. Kf2 Rc2+ 53. Kg1 e4 54. Rb1 Kf7) 48... Kf6?? { (-3.57 → -0.85) Blunder. f4 was best. } (48... f4 49. gxf4) 49. Kf3 Ke5?! { (-1.08 → -0.41) Inaccuracy. Rg4 was best. } (49... Rg4 50. Rd1 Ba6 51. Rd6 Bc4 52. Rd8 Ke7 53. Rd2 f6 54. Rd1 Rg8 55. Ke3 e5 56. Nd5+) 50. Ke3 Be4 51. Kd2?? { (-0.30 → -2.12) Blunder. f4+ was best. } (51. f4+) 51... Kd4?? { (-2.12 → 0.38) Blunder. f4 was best. } (51... f4 52. gxf4+) 52. Nxe4?? { (0.38 → -6.04) Blunder. Ne2+ was best. } (52. Ne2+ Kc5 53. Rxc4+ Kxc4 54. Nf4 Bf3 55. Ke3 Bd1 56. f3 Kc5 57. Nxh5 Kd6 58. Kf4 Ke7) 52... Rxc1 53. Kxc1?! { (-5.93 → -9.87) Inaccuracy. Nd6 was best. } (53. Nd6 Rc6) 53... Kxe4 54. Kd2 Kf3 55. Ke1 f4 56. gxf4 Kxf4 57. Ke2 Kg4 58. Ke3 Kxh4 59. Kf4 Kh3 60. Kf3 h4 61. Kf4 Kg2 62. Kg4 h3 63. f4 h2 64. Kg5 h1=Q 65. Kf6 Qh7 66. Ke5 Qf5+ 67. Kd4 Qxf4+ 68. Kd3 Kf2 69. Kc3 Qe4 70. Kd2 Qe3+ 71. Kc2 Ke2 72. Kb2 Qd3 73. Ka2 Qc2+ 74. Ka3 Kd3 75. Kb4 Kd4 76. Kb5 Qc4+ 77. Kb6 Kd5 78. Ka5 Qb3 79. Ka6 Kc6 80. Ka7 Qb7# { Black wins by checkmate. } 0-1