CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/p6zsqaUF"] [Date "2025.02.16"] [White "Sasha"] [Black "Jihoon"] [Result "1-0"] [UTCDate "2025.02.16"] [UTCTime "18:02:50"] [WhiteElo "1585"] [BlackElo "1023"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [WhiteTitle "IM🧁"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Nf6 4. e3 Bf5 5. c3?! { (0.82 → 0.17) Inaccuracy. Bb5 was best. } (5. Bb5 Nd7 6. O-O e6 7. c4 Ne7 8. Nc3 c6 9. Nh4 Be4 10. Ba4 Ng6 11. Nxg6 Bxg6) 5... e6 6. Bd3 Ne4 7. Bxe4 Bxe4 8. Nbd2 Bd6?? { (-0.33 → 1.31) Blunder. Bd3 was best. } (8... Bd3 9. Nb3 Bg6 10. O-O f6 11. a4 Qd7 12. Bg3 Be7 13. Nbd2 O-O 14. a5 Nd8 15. Qb3) 9. Bxd6? { (1.31 → 0.10) Mistake. Nxe4 was best. } (9. Nxe4 dxe4 10. Ng5 Bxf4 11. exf4 Qf6 12. g3 Qg6 13. Qe2 f5 14. f3 h6 15. Nh3 Qh5) 9... Qxd6?! { (0.10 → 0.88) Inaccuracy. cxd6 was best. } (9... cxd6 10. Nxe4 dxe4 11. Nd2 d5 12. O-O O-O 13. f3 exf3 14. Qxf3 Qb6 15. Nb3 Rad8 16. Rf2) 10. O-O O-O-O?? { (0.39 → 3.05) Blunder. Bg6 was best. } (10... Bg6 11. Rc1 f6 12. a3 O-O 13. c4 Ne7 14. Re1 Qb6 15. b4 c6 16. e4 Bh5 17. e5) 11. Nxe4 dxe4 12. Nd2?? { (3.01 → 0.70) Blunder. Ng5 was best. } (12. Ng5 Qd7 13. Nxe4 b6 14. f4 f6 15. Qc2 Kb8 16. Nd2 e5 17. fxe5 fxe5 18. Nf3 exd4) 12... f5 13. Nc4 Qd7?? { (0.22 → 2.10) Blunder. Qd5 was best. } (13... Qd5 14. Nd2 Ne5 15. Qb3 Qc6 16. a4 Nd3 17. Qb5 e5 18. Qxc6 bxc6 19. b4 exd4 20. cxd4) 14. Ne5?? { (2.10 → -2.39) Blunder. b4 was best. } (14. b4 Ne7) 14... Nxe5 15. dxe5 Qxd1?! { (-2.20 → -1.60) Inaccuracy. Qb5 was best. } (15... Qb5 16. Qb3) 16. Rfxd1 Rxd1+ 17. Rxd1 Rd8 18. Rxd8+?! { (-1.66 → -2.35) Inaccuracy. Rd4 was best. } (18. Rd4 c5) 18... Kxd8 19. Kf1 c5?? { (-2.63 → -0.39) Blunder. Kd7 was best. } (19... Kd7 20. Ke2 Kc6 21. f3 exf3+ 22. gxf3 Kd5 23. f4 Ke4 24. h4 b5 25. h5 a5 26. b4) 20. Ke2 Kd7 21. b3?? { (-0.29 → -1.96) Blunder. c4 was best. } (21. c4 Kc6 22. Kd2 Kb6 23. Kc3 Ka5 24. Kb3 g5 25. h3 h5 26. g3 h4 27. gxh4 gxh4) 21... Kc6? { (-1.96 → -0.41) Mistake. c4 was best. } (21... c4) 22. f3?? { (-0.41 → -3.61) Blunder. c4 was best. } (22. c4 Kb6 23. Kd2 g5 24. a3 Ka5 25. Kc3 h6 26. Kc2 h5 27. Kb2 Kb6 28. b4 f4) 22... b5?? { (-3.61 → -0.03) Blunder. exf3+ was best. } (22... exf3+) 23. fxe4? { (-0.03 → -1.45) Mistake. f4 was best. } (23. f4 g6 24. Kd2 h6 25. h4 b4 26. Kc2 Kb5 27. c4+ Kb6 28. Kb1 Kc7 29. Kb2 Kb8) 23... b4?? { (-1.45 → 5.17) Blunder. fxe4 was best. } (23... fxe4 24. g4) 24. cxb4 cxb4 25. exf5 Kc5?! { (5.15 → 8.72) Inaccuracy. exf5 was best. } (25... exf5 26. Kf3 Kd5 27. Kf4 g6 28. h3 Ke6 29. e4 g5+ 30. Kxg5 fxe4 31. Kf4 Kd5 32. g4) 26. Kd3 exf5 27. e4 fxe4+ 28. Kxe4 a5 29. g4 Kb5 30. Kd5 a4 31. bxa4+ Kxa4 32. e6 Ka3 33. e7 Kxa2?! { (11.94 → Mate in 6) Checkmate is now unavoidable. Kxa2 was best. } (33... Kxa2 34. e8=Q) 34. e8=Q?! { (Mate in 6 → 61.13) Lost forced checkmate sequence. Kc4 was best. } (34. Kc4 b3 35. e8=Q b2 36. Qa4+ Kb1 37. Kc3 g6 38. Qc2+ Ka1 39. Qxb2#) 34... b3 35. Qa4+ Kb2 36. Qd4+ Ka3 37. Qa1+ Kb4 38. Qb2 Ka4 39. h4 g6 40. h5 gxh5 41. gxh5 Kb4 42. h6 Ka4 43. Kc4 Ka5 44. Qxb3 Ka6 45. Qb4 Ka7 46. Qb5 Ka8 47. Kc5 Ka7 48. Kc6 Ka8 49. Qb7# { White wins by checkmate. } 1-0