CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/h7o0qKH9"] [Date "2024.01.28"] [White "Zhanyu"] [Black "Alexander5"] [Result "0-1"] [UTCDate "2024.01.28"] [UTCTime "18:25:58"] [WhiteElo "1180"] [BlackElo "1435"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Classical Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. b3 d5 { A01 Nimzo-Larsen Attack: Classical Variation } 2. c4? { (0.14 → -1.01) Mistake. Nf3 was best. } (2. Nf3 Bf5 3. Bb2 Nf6 4. Nh4 Bd7 5. c4 e6 6. e3 c5 7. Nf3 Nc6 8. cxd5 exd5) 2... dxc4?! { (-1.01 → -0.41) Inaccuracy. d4 was best. } (2... d4 3. Nf3 c5 4. g3 Nf6 5. d3 Nc6 6. Bg2 e5 7. e3 Bd6 8. O-O O-O 9. exd4) 3. bxc4 Nf6?! { (-0.28 → 0.31) Inaccuracy. e5 was best. } (3... e5 4. e3 Nf6 5. Bb2 Bd6 6. Be2 Nc6 7. Nf3 e4 8. Nd4 Ne5 9. Nb5 c6 10. Nxd6+) 4. d3?? { (0.31 → -6.17) Blunder. Bb2 was best. } (4. Bb2 b6 5. g3 Bb7 6. Nf3 e6 7. Bg2 Be7 8. Qa4+ Nbd7 9. O-O O-O 10. Qb3 a6) 4... e5?? { (-6.17 → -0.70) Blunder. Qd4 was best. } (4... Qd4) 5. Ba3?! { (-0.70 → -1.28) Inaccuracy. e3 was best. } (5. e3 Na6) 5... Bxa3 6. Nxa3?! { (-1.16 → -1.80) Inaccuracy. Qa4+ was best. } (6. Qa4+ Nbd7 7. Qxa3 b6 8. Nd2 Nc5 9. Ngf3 O-O 10. g3 Bb7 11. Bg2 e4 12. dxe4 Nfxe4) 6... O-O 7. Rc1 e4 8. Rc3? { (-1.72 → -3.37) Mistake. e3 was best. } (8. e3) 8... b6?! { (-3.37 → -2.37) Inaccuracy. c5 was best. } (8... c5 9. Qd2) 9. Qa4? { (-2.37 → -4.27) Mistake. e3 was best. } (9. e3 Qe7) 9... Bd7 10. Qb4 a5?! { (-5.22 → -3.89) Inaccuracy. Na6 was best. } (10... Na6 11. Qb1) 11. Qb3 a4 12. Qb2 Nc6? { (-4.43 → -2.75) Mistake. c6 was best. } (12... c6) 13. f3?! { (-2.75 → -4.30) Inaccuracy. g3 was best. } (13. g3) 13... exf3 14. gxf3?! { (-3.61 → -4.61) Inaccuracy. Nxf3 was best. } (14. Nxf3 Bg4) 14... Ra5 15. Bh3 Bxh3 16. Nxh3 Re5 17. Rc1?? { (-3.63 → -8.07) Blunder. e4 was best. } (17. e4) 17... Qe7? { (-8.07 → -4.36) Mistake. Rfe8 was best. } (17... Rfe8 18. Nb5 Qxd3 19. Nf4 Qxf3 20. Rf1 Qg4 21. Nxc7 Nh5 22. Nxe8 Nxf4 23. Qxe5 Nxe5 24. Nf6+) 18. Qxb6? { (-4.36 → -14.37) Mistake. Nb5 was best. } (18. Nb5 Nh5 19. Rc2 a3 20. Qc3 Re3 21. Kd1 Nb4 22. Rd2 c5 23. Nf2 f5 24. Qxa3 Qh4) 18... cxb6 19. Nf4 Nd4 20. e3 Rxe3+ 21. Kf2?! { (-20.96 → Mate in 6) Checkmate is now unavoidable. Kd2 was best. } (21. Kd2 Nxf3+) 21... Rxf3+ 22. Kg2 Ng4 23. Rcf1?! { (-25.61 → Mate in 2) Checkmate is now unavoidable. Rhf1 was best. } (23. Rhf1 Ne3+) 23... Rxf1?! { (Mate in 2 → -16.78) Lost forced checkmate sequence. Ne3+ was best. } (23... Ne3+ 24. Kg1 Rxf1#) 24. Kxf1?! { (-16.78 → Mate in 3) Checkmate is now unavoidable. Rxf1 was best. } (24. Rxf1 Ne3+) 24... Qxa3 25. Kg2 Qxa2+ 26. Kg3 g5 27. Kxg4 gxf4 28. Kxf4 Qf2+ 29. Ke4 f5+ 30. Kd5 Qg2+ 31. Kxd4 Qxh1 32. h3 Qxh3 33. c5 bxc5+ 34. Kxc5 Qe3+ 35. Kc4 Rc8+ 36. Kd5 Qxd3+ 37. Ke6 Re8+ 38. Kf6 f4 39. Kg5 Qg3+ 40. Kf5 Rf8+ 41. Ke6 Qb3+ 42. Ke5 f3 43. Kd6 f2 44. Kc6 f1=Q 45. Kc5 Qfb5+ 46. Kd4 Rf4# { Black wins by checkmate. } 0-1