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Puzzles (3 cohencoins award for each match):

Puzzle 8PU9c: 738

Puzzle zi7r8: 999999999

GM Islomjon (1329) +4
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/sDO8tJJ0"] [Date "2026.05.22"] [White "John2"] [Black "Islomjon"] [Result "0-1"] [UTCDate "2026.05.22"] [UTCTime "23:20:36"] [WhiteElo "1039"] [BlackElo "1329"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+4"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation Accepted"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 Nxd4? { (0.11 → 1.48) Mistake. Bb4 was best. } (5... Bb4 6. Nxc6) 6. Qxd4 Be7?? { (1.41 → 4.20) Blunder. d6 was best. } (6... d6) 7. Qd1?? { (4.20 → 0.08) Blunder. e5 was best. } (7. e5) 7... O-O 8. Be2?! { (0.37 → -0.36) Inaccuracy. e5 was best. } (8. e5 Ne8) 8... Bb4 9. Bd2? { (-0.14 → -1.38) Mistake. e5 was best. } (9. e5 Ne4 10. Qd3 Nxc3 11. bxc3 Be7 12. O-O d6 13. Bf4 Be6 14. Qg3 Bh4 15. Qf3 dxe5) 9... Bxc3 10. Bxc3 Nxe4 11. O-O?! { (-1.21 → -2.25) Inaccuracy. Bd4 was best. } (11. Bd4 c5 12. Be3 d5 13. c3 Re8 14. O-O b6 15. Re1 a5 16. Bd3 Bd7 17. f3 Nd6) 11... Nxc3 12. bxc3 b6 13. Bf3 Rb8 14. Re1 Re8 15. Re4?! { (-1.62 → -2.77) Inaccuracy. Rxe8+ was best. } (15. Rxe8+ Qxe8 16. Qf1 Qd8 17. Re1 d6 18. Qc4 Bb7 19. Bxb7 Rxb7 20. g3 h6 21. Qa4 Rb8) 15... Rxe4 16. Bxe4 Qh4?! { (-2.86 → -1.83) Inaccuracy. d6 was best. } (16... d6 17. Qd3 h6 18. Re1 Be6 19. Qa6 d5 20. Bf3 c5 21. Rd1 Qe7 22. Qe2 Qf6 23. Bxd5) 17. g3?? { (-1.83 → -7.83) Blunder. Qd4 was best. } (17. Qd4 Bb7) 17... Qf6?? { (-7.83 → -1.90) Blunder. Qxe4 was best. } (17... Qxe4 18. Qe1 Bb7 19. Qxe4 Bxe4 20. Re1 Bxc2 21. g4 Kf8 22. f4 Re8 23. Rxe8+ Kxe8 24. Kf2) 18. Bg2?? { (-1.90 → -4.53) Blunder. Qd3 was best. } (18. Qd3 g6) 18... h6?? { (-4.53 → -1.96) Blunder. Qxc3 was best. } (18... Qxc3 19. Rb1) 19. Qe1? { (-1.96 → -3.32) Mistake. Qe2 was best. } (19. Qe2 Qe6) 19... Bb7?? { (-3.32 → 6.62) Blunder. Ba6 was best. } (19... Ba6) 20. Rd1?? { (6.62 → -4.65) Blunder. Bxb7 was best. } (20. Bxb7) 20... Bxg2 21. Kxg2 Qc6+ 22. Kf1?! { (-4.99 → -6.53) Inaccuracy. Kg1 was best. } (22. Kg1 Kf8) 22... Kf8 23. Rd2?? { (-5.63 → Mate in 3) Checkmate is now unavoidable. Kg1 was best. } (23. Kg1 Re8) 23... Re8?? { (Mate in 3 → -6.61) Lost forced checkmate sequence. Qh1+ was best. } (23... Qh1+ 24. Ke2 Re8+ 25. Kd3 Qd5#) 24. Re2?? { (-6.61 → Mate in 1) Checkmate is now unavoidable. Qxe8+ was best. } (24. Qxe8+ Kxe8 25. Rd3 Qh1+ 26. Ke2 Qc1 27. Re3+ Kd8 28. c4 Qxc2+ 29. Kf3 Qxa2 30. g4 Qxc4) 24... Qh1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting