FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/SLAUwtR0"]
[Date "2026.04.10"]
[White "Islomjon"]
[Black "Nathan4"]
[Result "0-1"]
[UTCDate "2026.04.10"]
[UTCTime "23:01:59"]
[WhiteElo "1380"]
[BlackElo "1349"]
[WhiteRatingDiff "-13"]
[BlackRatingDiff "+16"]
[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 → 0.81) 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 → -0.15) 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?? { (-0.15 → 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. Bg5?? { (2.06 → 0.27) Blunder. Nxe5 was best. } (8. Nxe5 Re8 9. Nc4 Bg4 10. Qd2 Nh5 11. Ne3 Bd7 12. Ne2 a5 13. b3 Bb4 14. c3 Bd6) 8... h6 9. Bxf6?! { (0.32 → -0.39) Inaccuracy. Be3 was best. } (9. Be3 Bxe3 10. fxe3 Re8 11. Qe1 Qe7 12. a4 Qb4 13. b3 a5 14. h3 Nh7 15. Ne2 Qxe1) 9... Qxf6 10. Na4 b6?? { (-0.75 → 1.82) Blunder. Bd6 was best. } (10... Bd6 11. Nc3) 11. Nxc5 bxc5 12. d4?? { (1.87 → -2.17) Blunder. Nd2 was best. } (12. Nd2 Qg5 13. Qe2 Bh3 14. f3 Be6 15. b3 Rad8 16. Qf2 Qe7 17. f4 exf4 18. Qxf4 Qd6) 12... cxd4 13. c3 c5 14. cxd4 cxd4 15. Rc1 Ra7? { (-2.47 → -1.13) Mistake. Rb8 was best. } (15... Rb8) 16. b4?! { (-1.13 → -2.16) Inaccuracy. Rc5 was best. } (16. Rc5 Re8) 16... Bg4 17. h3 Bxf3 18. gxf3?? { (-2.15 → -7.00) Blunder. Qxf3 was best. } (18. Qxf3 Qxf3 19. gxf3 Rb8 20. Rc5 Rxb4 21. Rxe5 Rab7 22. Rc5 R4b5 23. Rc4 c5 24. a4 Ra5) 18... Qg5+ 19. Kh2 Qf4+ 20. Kg2 a5?! { (-5.83 → -3.74) Inaccuracy. Qg5+ was best. } (20... Qg5+) 21. h4? { (-3.74 → -8.41) Mistake. b5 was best. } (21. b5 Rd8) 21... Ra6 22. bxa5 Rg6+ 23. Kh3 d3?? { (-6.58 → -0.74) Blunder. Rb8 was best. } (23... Rb8 24. Rg1) 24. Qd2?? { (-0.74 → Mate in 2) Checkmate is now unavoidable. Qxd3 was best. } (24. Qxd3) 24... Qxf3+ 25. Kh2 Rg2+ 26. Kh1 Qh3# { Black wins by checkmate. } 0-1