CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/5vw33Hth"] [Date "2026.02.28"] [White "Mark2"] [Black "Islomjon"] [Result "0-1"] [UTCDate "2026.02.28"] [UTCTime "00:48:13"] [WhiteElo "1192"] [BlackElo "1384"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+6"] [WhiteTitle "࿄"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. Nb5?? { (0.33 → -1.87) Blunder. Bb5 was best. } (4. Bb5 Bb4 5. O-O O-O 6. d3 Re8 7. Bg5 Bxc3 8. bxc3 d6 9. Bh4 Bd7 10. Nd2 h6) 4... Be7? { (-1.87 → -0.50) Mistake. Nxe4 was best. } (4... Nxe4 5. Qe2) 5. Nxa7?? { (-0.50 → -7.99) Blunder. d4 was best. } (5. d4 Nxe4) 5... Rxa7 6. Bc4 O-O 7. Ng5 Ng4?? { (-8.92 → -2.51) Blunder. h6 was best. } (7... h6 8. Nxf7 Rxf7 9. Bxf7+ Kxf7 10. f4 d6 11. O-O Kg8 12. fxe5 dxe5 13. c3 Ra8 14. d4) 8. Qxg4?? { (-2.51 → -8.31) Blunder. Nxf7 was best. } (8. Nxf7 Rxf7 9. Bxf7+ Kxf7 10. Qxg4 d5 11. Qf3+ Kg8 12. c3 dxe4 13. Qxe4 Be6 14. O-O Rxa2) 8... d6?? { (-8.31 → -1.87) Blunder. d5 was best. } (8... d5 9. Qh5 Bxg5 10. Bxd5 Nd4 11. O-O g6 12. Qd1 c6 13. c3 cxd5 14. d3 Bxc1 15. Rxc1) 9. Bxf7+?? { (-1.87 → -7.00) Blunder. Nxf7 was best. } { White offers draw } (9. Nxf7 Rxf7) 9... Rxf7 10. Nxf7 Kxf7?? { (-6.86 → -2.13) Blunder. Bxg4 was best. } (10... Bxg4 11. Nxd8) 11. Qf5+?? { (-2.13 → -9.79) Blunder. Qh5+ was best. } (11. Qh5+ Kg8 12. c3 Be6 13. d3 Rxa2 14. Rxa2 Bxa2 15. Qe2 Bf7 16. Be3 d5 17. exd5 Bxd5) 11... Bf6?? { (-9.79 → -1.95) Blunder. Bxf5 was best. } (11... Bxf5 12. exf5 Nd4 13. O-O Nxc2 14. Rb1 Rxa2 15. b4 Nd4 16. Re1 Qd7 17. Bb2 Nxf5 18. Bc3) 12. Qxh7?! { (-1.95 → -3.02) Inaccuracy. Qh5+ was best. } (12. Qh5+ Kg8 13. d3 Be6 14. Qd1 d5 15. c3 Qd7 16. O-O Ra8 17. b4 b5 18. exd5 Qxd5) 12... Bg5?? { (-3.02 → 0.04) Blunder. Nd4 was best. } (12... Nd4) 13. Qf5+?? { (0.04 → -9.92) Blunder. c3 was best. } (13. c3 Qf6) 13... Bf6?? { (-9.92 → 0.00) Blunder. Bxf5 was best. } (13... Bxf5 14. exf5 Nd4 15. d3 Bxc1 16. Rxc1 Qg5 17. O-O Ne2+ 18. Kh1 Nxc1 19. f4 Qxf4 20. Rxf4) 14. Qh5+ Kf8?! { (-0.19 → 0.61) Inaccuracy. Ke7 was best. } (14... Ke7) 15. Qh8+ Kf7 16. Qxd8 Bxd8 17. d3 Ne7? { (0.72 → 1.98) Mistake. d5 was best. } (17... d5 18. Be3) 18. d4?? { (1.98 → -2.04) Blunder. Bg5 was best. } (18. Bg5 b5 19. h4 Kg8 20. Kd2 c5 21. a3 Nc6 22. Bxd8 Nxd8 23. Rhb1 Ne6 24. b4 Bd7) 18... exd4 19. c3?? { (-1.88 → -4.49) Blunder. h4 was best. } (19. h4 d5) 19... dxc3 20. bxc3 Bg4?? { (-4.65 → -1.82) Blunder. Ra4 was best. } (20... Ra4 21. f3) 21. e5?? { (-1.82 → -4.56) Blunder. f3 was best. } (21. f3 Bd7 22. Bg5 Ra3 23. Kd2 Nc6 24. Bxd8 Nxd8 25. Kc2 Ke7 26. h4 Nf7 27. Kb2 Ra4) 21... dxe5 22. f3 Bf5 23. g4 Bg6?! { (-4.17 → -3.11) Inaccuracy. Be6 was best. } (23... Be6) 24. f4? { (-3.11 → -6.07) Mistake. Bg5 was best. } (24. Bg5 c6) 24... exf4?! { (-6.07 → -4.47) Inaccuracy. Be4 was best. } (24... Be4 25. O-O) 25. Bxf4 Nd5 26. Be5?! { (-4.09 → -5.62) Inaccuracy. Rd1 was best. } (26. Rd1 c6) 26... Ra3?? { (-5.62 → -1.66) Blunder. Ne3 was best. } (26... Ne3 27. Ke2) 27. Rb1?? { (-1.66 → -7.00) Blunder. O-O+ was best. } (27. O-O+) 27... Nxc3? { (-7.00 → -3.65) Mistake. Bh4+ was best. } (27... Bh4+) 28. Rxb7 Nd5? { (-4.39 → -2.47) Mistake. Be4 was best. } (28... Be4 29. Rf1+ Ke6 30. Rb8 Bh4+ 31. Bg3 Rxa2 32. Rf2 Bxg3 33. hxg3 Ra3 34. Re8+ Kd5 35. Rd8+) 29. Rb5?? { (-2.47 → -6.75) Blunder. O-O+ was best. } (29. O-O+ Ke6) 29... c6? { (-6.75 → -3.65) Mistake. Re3+ was best. } (29... Re3+ 30. Kd2) 30. Rb7+?! { (-3.65 → -5.50) Inaccuracy. Rb3 was best. } (30. Rb3) 30... Be7?? { (-5.50 → -1.30) Blunder. Ke6 was best. } (30... Ke6 31. Bxg7) 31. Rxe7+?? { (-1.30 → -4.08) Blunder. Bd6 was best. } (31. Bd6) 31... Kxe7 32. Rf1?! { (-5.06 → -6.85) Inaccuracy. O-O was best. } (32. O-O Ra4) 32... Rxa2?! { (-6.85 → -4.72) Inaccuracy. Re3+ was best. } (32... Re3+) 33. Bd6+?! { (-4.72 → -8.06) Inaccuracy. h4 was best. } (33. h4 Nb4) 33... Kxd6 34. g5 Ne3 35. h4 Bd3 36. Rf3?! { (-65.18 → Mate in 1) Checkmate is now unavoidable. Rf2 was best. } (36. Rf2 Ng2+ 37. Rxg2 Rxg2 38. h5 Rxg5 39. h6 gxh6 40. Kd2 Rg3 41. Ke1 h5 42. Kf2 h4) 36... Ra1+? { (Mate in 1 → -8.30) Lost forced checkmate sequence. Re2# was best. } (36... Re2#) 37. Kd2 Nc4+ 38. Kc3?! { (-60.52 → Mate in 3) Checkmate is now unavoidable. Kxd3 was best. } (38. Kxd3 Ne5+ 39. Ke2 Ra2+ 40. Ke3 Ra3+ 41. Kf2 Nxf3 42. Kg3 Nxg5+ 43. Kf4 Nf3 44. h5 Ra5) 38... Be4?! { (Mate in 3 → -60.71) Lost forced checkmate sequence. Ra3+ was best. } (38... Ra3+ 39. Kb4 c5+ 40. Kb5 Ra5#) 39. Kxc4 Bxf3 { Black wins on time. } 0-1