CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/RuBkyW7V"] [Date "2026.03.27"] [White "Islomjon"] [Black "Nathan4"] [Result "0-1"] [UTCDate "2026.03.27"] [UTCTime "23:09:07"] [WhiteElo "1389"] [BlackElo "1330"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+18"] [WhiteTitle "GM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C68"] [Opening "Ruy Lopez: Exchange Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6?! { (0.63 → 0.08) Inaccuracy. Ba4 was best. } { C68 Ruy Lopez: Exchange Variation } (4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5) 4... dxc6 5. Nxe5? { (0.23 → -1.05) Mistake. O-O was best. } (5. O-O f6 6. d4 exd4 7. Nxd4 Bd6 8. Nc3 Ne7 9. f4 O-O 10. a4 Bb4 11. Be3 c5) 5... Bd6?? { (-1.05 → 1.66) Blunder. Qd4 was best. } (5... Qd4 6. Nf3) 6. Nf3 Bg4 7. O-O Nf6?? { (1.64 → 5.41) Blunder. c5 was best. } (7... c5 8. h3) 8. Nc3?? { (5.41 → 1.66) Blunder. e5 was best. } (8. e5 Bxe5 9. Qe1 O-O 10. Nxe5 Re8 11. Nxg4 Rxe1 12. Nxf6+ Qxf6 13. Rxe1 c5 14. d3 Qc6) 8... Be5?! { (1.66 → 2.70) Inaccuracy. O-O was best. } (8... O-O 9. h3 Bh5 10. d4 Nd7 11. e5 Be7 12. g4 Bg6 13. Ne2 c5 14. c3 Nb6 15. Nf4) 9. d4?? { (2.70 → 0.17) Blunder. h3 was best. } (9. h3 Bh5 10. d3 Qe7 11. Qe2 Bxf3 12. Qxf3 O-O-O 13. Rb1 Rhg8 14. Ne2 Qe6 15. Be3 Bd6) 9... Bxd4?? { (0.17 → 8.46) Blunder. Bxf3 was best. } (9... Bxf3 10. Qxf3 Qxd4 11. Rd1 Qb4 12. Bf4 Bxf4 13. Qxf4 O-O 14. Rab1 Rae8 15. f3 Qc5+ 16. Kf1) 10. Nxd4?? { (8.46 → -4.07) Blunder. Qxd4 was best. } (10. Qxd4 Qxd4 11. Nxd4 O-O-O 12. Nb3 Nxe4 13. Nxe4 Rd1 14. Rxd1 Bxd1 15. Nd4 Rd8 16. c3 Bc2) 10... Bxd1 11. Bg5? { (-3.76 → -7.23) Mistake. Rxd1 was best. } (11. Rxd1) 11... h6 12. Bxf6 Qxf6 13. Raxd1 O-O 14. Na4 b5?! { (-6.09 → -4.44) Inaccuracy. Rad8 was best. } (14... Rad8 15. c3 Rfe8 16. Nc5 b6 17. Nce6 fxe6 18. Nxc6 Rxd1 19. Rxd1 Qf4 20. h3 a5 21. a4) 15. Nc3?! { (-4.44 → -6.00) Inaccuracy. Nc5 was best. } (15. Nc5 Rad8 16. c3 b4 17. Nb7 c5 18. e5 Qb6 19. Nxd8 Rxd8 20. Nf5 Rxd1 21. Rxd1 Kh7) 15... c5 16. Nf3 Rad8 17. Rxd8 Rxd8 18. e5 Qf5 19. Re1 Qxc2 20. e6 Rd1?? { (-7.53 → 8.21) Blunder. fxe6 was best. } (20... fxe6 21. Ne4 Rd1 22. Nxc5 Qe2 23. Nd3 Qxd3 24. h3 Rxe1+ 25. Nxe1 Qb1 26. Kf1 Qxb2 27. Nd3) 21. exf7+?? { (8.21 → 0.00) Blunder. e7 was best. } (21. e7) 21... Kxf7 22. Nxd1 c4 23. b3?? { (0.00 → -3.53) Blunder. a3 was best. } (23. a3 c5 24. g4 Qb3 25. Ne5+ Kg8 26. Nd7 c3 27. Nxc3 Qxb2 28. Nd5 Qd2 29. Re8+ Kf7) 23... Qxa2 24. bxc4 Qxc4?? { (-3.28 → 9.85) Blunder. b4 was best. } (24... b4 25. g4) 25. Ne3?? { (9.85 → -2.02) Blunder. Ne5+ was best. } (25. Ne5+) 25... Qc6?? { (-2.02 → 12.69) Blunder. Qc5 was best. } (25... Qc5 26. Ra1 Qb6 27. Nd5 Qd6 28. Ne3 Kg8 29. Rd1 Qb6 30. Nf5 b4 31. Rd8+ Kf7 32. g4) 26. Nf5?? { (12.69 → -1.15) Blunder. Ne5+ was best. } (26. Ne5+ Ke6 27. Nxc6 Kd6 28. Nb8 a5 29. Nf5+ Kd5 30. Nxg7 c5 31. Nd7 Kc6 32. Nf6 b4) 26... Qd5 27. Ng3?? { (-0.84 → -4.19) Blunder. Ne5+ was best. } (27. Ne5+) 27... Kf6?? { (-4.19 → -1.50) Blunder. b4 was best. } (27... b4) 28. h3? { (-1.50 → -3.25) Mistake. Ra1 was best. } (28. Ra1) 28... g5?? { (-3.25 → 0.00) Blunder. b4 was best. } (28... b4 29. Rc1 b3 30. Rc5 Qd3 31. Nf1 b2 32. N3d2 Kg6 33. Rxc7 a5 34. Rc6+ Kf7 35. Rb6) 29. Re7?? { (0.00 → -7.63) Blunder. Nh5+ was best. } (29. Nh5+ Kf7 30. Ne5+ Ke6 31. Nc4+ Kf7) 29... Kxe7 30. h4 Qd1+ 31. Kh2 gxh4 32. Nxh4 b4 33. Ne4 b3 34. Ng6+ Ke6 35. Kg3 Kf5 36. Nc3 Qd3+ 37. f3?! { (-72.40 → Mate in 11) Checkmate is now unavoidable. Kh2 was best. } (37. Kh2 Kxg6) 37... Qxc3 38. Nh4+ Kf6 39. Kf4 b2 40. Nf5 b1=Q 41. Nxh6 Qc4+ 42. Kg3 Qe1+ 43. Kh3 Qeh4# { Black wins by checkmate. } 0-1