CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/S9bDJiJ3"] [Date "2026.02.06"] [White "Trekker"] [Black "Summer"] [Result "0-1"] [UTCDate "2026.02.06"] [UTCTime "21:33:04"] [WhiteElo "1840"] [BlackElo "1411"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+20"] [WhiteTitle "GM🎅"] [BlackTitle "🥟"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Modern Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. b3 e5 2. Bb2 { A01 Nimzo-Larsen Attack: Modern Variation } Nf6?? { (-0.29 → 1.34) Blunder. Nc6 was best. } (2... Nc6) 3. Nf3?? { (1.34 → -1.16) Blunder. Bxe5 was best. } (3. Bxe5) 3... Nc6?? { (-1.16 → 1.26) Blunder. e4 was best. } (3... e4 4. Ng1) 4. e3? { (1.26 → -0.09) Mistake. Nxe5 was best. } (4. Nxe5 Nxe5 5. Bxe5 c6 6. h3 d5 7. e3 h5 8. Nc3 Ne4 9. Bd4 Ng5 10. Ne2 Ne6) 4... d6 5. Bb5 a6 6. Bxc6+ bxc6 7. c4 d5?? { (-0.06 → 2.41) Blunder. Be7 was best. } (7... Be7 8. Nc3) 8. d4?? { (2.41 → 0.60) Blunder. Nxe5 was best. } (8. Nxe5 Bb7) 8... exd4 9. Qxd4 Bb4+ 10. Nc3 O-O 11. O-O dxc4 12. Qxc4 Ba5?? { (1.63 → 4.00) Blunder. a5 was best. } (12... a5) 13. Qxc6?! { (4.00 → 2.93) Inaccuracy. Rfd1 was best. } (13. Rfd1 Qe7 14. Nd4 Qb4 15. Nxc6 Qxc4 16. bxc4 Bb6 17. Ne7+ Kh8 18. Na4 Be6 19. Nxb6 cxb6) 13... Rb8 14. Rfd1 Qe7 15. Nd5?! { (2.62 → 1.90) Inaccuracy. Ne2 was best. } (15. Ne2 Ne4 16. Ng3 Nxg3 17. hxg3 Bb7 18. Qc2 Bb6 19. Nd4 Qe4 20. Qxe4 Bxe4 21. f3 Bg6) 15... Nxd5 16. Qxd5 Bb6? { (2.20 → 3.81) Mistake. Rb5 was best. } (16... Rb5) 17. Qe5 Qxe5 18. Bxe5?! { (3.12 → 1.99) Inaccuracy. Nxe5 was best. } (18. Nxe5 Ra8 19. Bd4 a5 20. Nc6 Be6 21. Rd2 h6 22. f3 Kh7 23. Rc1 Rfe8 24. Kf2 Rec8) 18... Re8? { (1.99 → 3.59) Mistake. f6 was best. } (18... f6) 19. Rd2? { (3.59 → 1.83) Mistake. Rac1 was best. } (19. Rac1 Rb7 20. Bd4 g6 21. Bxb6 cxb6 22. Nd4 a5 23. Rc3 Be6 24. Kf1 a4 25. Nxe6 Rxe6) 19... f6 20. Bd4 Bxd4?? { (1.26 → 5.06) Blunder. c5 was best. } (20... c5) 21. Rxd4 a5?! { (4.55 → 6.01) Inaccuracy. c5 was best. } (21... c5 22. Rc4) 22. Rad1?! { (6.01 → 4.37) Inaccuracy. Rc1 was best. } (22. Rc1) 22... Rb4 23. Rd8?? { (5.03 → 2.23) Blunder. Rc1 was best. } (23. Rc1 Bg4 24. Rxc7 Bxf3 25. Rxb4 axb4 26. gxf3 Ra8 27. Rc4 Rxa2 28. Rxb4 Kf7 29. Kg2 Kg6) 23... Rf8?? { (2.23 → 8.03) Blunder. Kf8 was best. } (23... Kf8 24. Rxe8+ Kxe8 25. Rc1 Rb7 26. Nd4 Bd7 27. h3 Ke7 28. Nc6+ Bxc6 29. Rxc6 a4 30. bxa4) 24. Rxf8+ Kxf8 25. Rd8+ Ke7 26. Rxc8 Rb5 27. Rxc7+ Kd8 28. Rc4 Rd5 29. Rd4 Rd7 30. Rxd7+ Kxd7 31. Kf1 Kc7 32. Ke2 Kb6 33. Kd3 Kb5 34. Kc3 a4 35. bxa4+ Kxa4 36. Kd4 Ka3 37. Kd5 Kxa2 38. Ke6 h6 39. Kf7 Kb3 40. Kxg7 h5 41. Kxf6 Kc3 42. e4 Kd3 43. Kf7 Kxe4 44. Kg6 Kf4 45. Nh4 Kg4 46. g3 Kh3 47. f4 Kxh2 48. f5 Kxg3 49. f6 Kxh4 50. f7 Kg4 51. f8=Q h4?! { (56.80 → Mate in 9) Checkmate is now unavoidable. h4 was best. } (51... h4 52. Qf5+ Kg3 53. Kg5 h3 54. Qg4+ Kf2 55. Qxh3 Ke2 56. Qc3 Kf2 57. Qd2+ Kg1 58. Qe3+) 52. Qb4+ Kg3 53. Kg5 h3 54. Qg4+ Kh2 55. Kf4 Kh1 56. Kf3 Kh2 57. Qg2+?? { (Mate in 2 → Mate in 15) Lost forced checkmate sequence. Kf2 was best. } (57. Kf2 Kh1 58. Qxh3#) 57... hxg2 58. Kf2 g1=Q+ 59. Kf3 Qg2+ 60. Ke3 Kg3 61. Kd4 Qf3 62. Kc4 Kf4 63. Kd4 Qe3+ 64. Kc4 Ke5 65. Kb4 Qd3 66. Ka4 Kd5 67. Ka5 Kc5 68. Ka4 Qc2+ 69. Ka3 Qb1 70. Ka4 Kb6 71. Ka3 Ka6 72. Ka4 Qb5+ 73. Ka3 Ka5 74. Ka2 Qb4 75. Ka1 Ka4 76. Ka2 Qb3+ 77. Ka1 Qc3+ 78. Ka2 Kb4 79. Kb1 Qb3+ 80. Ka1 Qc3+ 81. Ka2 Ka4 82. Kb1 Qd2 83. Ka1 Ka3 84. Kb1 Qb2# { Black wins by checkmate. } 0-1