FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/UVMJGXdB"]
[Date "2026.03.27"]
[White "Islomjon"]
[Black "Nathan4"]
[Result "0-1"]
[UTCDate "2026.03.27"]
[UTCTime "23:42:41"]
[WhiteElo "1392"]
[BlackElo "1333"]
[WhiteRatingDiff "-12"]
[BlackRatingDiff "+15"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C48"]
[Opening "Four Knights Game: Ranken Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6?! { (0.01 → 0.73) Inaccuracy. Nd4 was best. } (4... Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bc5 11. O-O) 5. Bxc6 { C48 Four Knights Game: Ranken Variation } dxc6 6. O-O?! { (0.75 → -0.07) Inaccuracy. Nxe5 was best. } (6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. d4 Qd5 10. Re1 Be6 11. Bg5 Bd6 12. b3 h6) 6... Bc5?? { (-0.07 → 1.88) Blunder. Bg4 was best. } (6... Bg4 7. h3) 7. d3?? { (1.88 → -0.09) Blunder. Nxe5 was best. } (7. Nxe5 Qe7) 7... O-O?? { (-0.09 → 2.06) Blunder. Bg4 was best. } (7... Bg4 8. Be3 Bd6 9. h3 Bh5 10. Nb1 Nd7 11. c3 Qe7 12. Nbd2 f6 13. b4 c5 14. a3) 8. Nxe5 Bd4 9. Nf3 Bg4 10. Nxd4?? { (2.47 → -6.62) Blunder. h3 was best. } (10. h3 Bh5 11. Ne2 Bxf3 12. gxf3 Ne8 13. Kh2 g6 14. c3 Bb6 15. d4 Ng7 16. Be3 Qe7) 10... Bxd1 11. Rxd1 Qxd4 12. Ne2 Qe5 13. Bf4 Qh5 14. Kf1 Ng4 15. h3 Nh2+? { (-7.27 → -3.45) Mistake. f5 was best. } (15... f5) 16. Bxh2 f5?! { (-3.43 → -2.71) Inaccuracy. Qc5 was best. } (16... Qc5 17. Rd2) 17. exf5?! { (-2.71 → -4.04) Inaccuracy. Ng3 was best. } (17. Ng3 Qg5 18. Nxf5 g6 19. Nd4 Qf6 20. Nf3 Qxb2 21. Rdc1 Qg7 22. Rab1 b6 23. a4 Rae8) 17... Rxf5?? { (-4.04 → 0.59) Blunder. Qxf5 was best. } (17... Qxf5 18. f3 Qb5 19. Rab1 c5 20. Nc3 Qc6 21. b3 b5 22. Rbc1 Rae8 23. Ne4 c4 24. Bg3) 18. d4?? { (0.59 → -5.90) Blunder. Ng3 was best. } (18. Ng3) 18... Rd8?? { (-5.90 → -0.82) Blunder. Qf7 was best. } (18... Qf7 19. Bg3) 19. Ng3 Qg6 20. Nxf5 Qxf5 21. Re1?! { (-0.79 → -1.84) Inaccuracy. c4 was best. } (21. c4 Qc2 22. b3 Rd7 23. Be5 Rf7 24. Bg3 Qb2 25. Re1 h6 26. d5 cxd5 27. cxd5 Kh7) 21... Rxd4 22. Rad1?? { (-1.83 → -6.05) Blunder. Bxc7 was best. } (22. Bxc7 Rd7) 22... Rxd1 23. Rxd1 Qxc2 24. Rd8+ Kf7 25. Bxc7 Qxb2 26. Rd7+ Kg6 27. Ke1 Qxa2 28. Kf1 c5 29. g3 c4 30. Kg2 c3 31. Kf3 c2 32. Rd6+ Kf7 33. Rd2 c1=Q 34. Rxa2 Qxc7 35. Ke4?! { (-6.50 → -20.72) Inaccuracy. Kg2 was best. } (35. Kg2 b5 36. Kh2 Qc6 37. Rb2 Qc3 38. Ra2 b4 39. Rxa6 Qd2 40. Kg2 Qd5+ 41. Kg1 Qd4) 35... Qc6+ 36. Kf5 Qe6+ 37. Kg5?! { (-24.61 → Mate in 7) Checkmate is now unavoidable. Kf4 was best. } (37. Kf4 Qxa2 38. Ke3 Qe6+ 39. Kf3 Qd5+ 40. Ke3 a5 41. h4 a4 42. Ke2 a3 43. g4 Qe4+) 37... Qxa2 38. h4 Qxf2 39. Kg4 Kf6 40. Kh5 Qf5# { Black wins by checkmate. } 0-1