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Puzzles (3 cohencoins award for each match):

Puzzle 65RBu: 999999999

GM Islomjon (1337) +10
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/BbaasuID"] [Date "2026.05.22"] [White "Islomjon"] [Black "Armaan"] [Result "1-0"] [UTCDate "2026.05.22"] [UTCTime "23:34:13"] [WhiteElo "1337"] [BlackElo "1337"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-14"] [WhiteTitle "GM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O { C65 Ruy Lopez: Berlin Defense } a6?? { (0.41 → 2.03) Blunder. Nxe4 was best. } (4... Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Ne8 10. d5 Bc5 11. Re1) 5. Bxc6 dxc6 6. Nc3?? { (1.96 → -0.07) Blunder. Nxe5 was best. } (6. Nxe5) 6... Ng4? { (-0.07 → 1.36) Mistake. Bg4 was best. } (6... Bg4 7. h3) 7. h3 Nh6? { (1.31 → 3.01) Mistake. h5 was best. } (7... h5 8. Ne2 c5 9. d3 Bd6 10. c3 f6 11. Qb3 g5 12. d4 Qe7 13. Ng3 Qh7 14. Nf5) 8. Nxe5 Bd6 9. Nf3?! { (3.92 → 2.63) Inaccuracy. d4 was best. } (9. d4 O-O 10. Bxh6 gxh6 11. Nd3 Kh8 12. Qf3 Rg8 13. e5 Be7 14. Ne2 Qd5 15. Qxd5 cxd5) 9... Qf6?? { (2.63 → 8.38) Blunder. f6 was best. } (9... f6 10. d4 Nf7 11. Re1 O-O 12. Be3 Re8 13. Nd2 Bf8 14. f4 f5 15. e5 Be6 16. Qf3) 10. d3?? { (8.38 → 3.59) Blunder. e5 was best. } (10. e5 Bxe5 11. Re1 Bxh3 12. Rxe5+ Be6 13. Ne4 Qe7 14. Neg5 Ng4 15. Re1 Nxf2 16. Kxf2 h6) 10... O-O 11. Bxh6? { (3.59 → 2.19) Mistake. Re1 was best. } (11. Re1 Qg6) 11... Qxh6 12. e5 Bb4 13. d4?! { (2.22 → 1.48) Inaccuracy. Qd2 was best. } (13. Qd2 Qg6 14. Qe3 Be7 15. Ne2 a5 16. a4 b6 17. Rfe1 Bc5 18. d4 Be7 19. Qc3 Re8) 13... Qg6?! { (1.48 → 2.42) Inaccuracy. Be6 was best. } (13... Be6 14. Re1) 14. Nh4?! { (2.42 → 1.55) Inaccuracy. Ne2 was best. } (14. Ne2 Be7 15. Qd2 Bf5 16. c4 Be4 17. Qe3 f5 18. a3 Rad8 19. Rae1 Qf7 20. Ng3 Bc2) 14... Qg5 15. Nf3 Qg6 16. e6?? { (2.27 → -0.54) Blunder. Ne2 was best. } (16. Ne2 Be7 17. Re1 Qh6 18. b3 Be6 19. Ng3 Rae8 20. c4 f5 21. exf6 Qxf6 22. Re3 Bd6) 16... Bxe6 17. Ne5 Qg5?! { (-0.64 → 0.15) Inaccuracy. Qh6 was best. } (17... Qh6) 18. Nf3?! { (0.15 → -0.69) Inaccuracy. f4 was best. } (18. f4 Qf6) 18... Qg6 19. Nh4?! { (-0.58 → -1.31) Inaccuracy. Ne5 was best. } (19. Ne5 Qf5) 19... Qg5 20. Nf3 Qg6 21. Ne4?? { (-0.47 → -8.07) Blunder. Ne5 was best. } (21. Ne5) 21... Bxh3?? { (-8.07 → -2.62) Blunder. Qxe4 was best. } (21... Qxe4) 22. Ng3 Bg4 23. Ne5 Qg5?? { (-2.00 → 6.98) Blunder. Bxd1 was best. } (23... Bxd1 24. Nxg6 Rfe8 25. Rfxd1 hxg6 26. Nf1 Bf8 27. Ne3 Rad8 28. Kf1 f6 29. Rd3 Kf7 30. Rad1) 24. Nxg4 f5 25. Ne5 Bd6 26. Nd7?? { (7.58 → -0.25) Blunder. Re1 was best. } (26. Re1 Bxe5) 26... Rfd8 27. Ne5?! { (-0.31 → -0.98) Inaccuracy. c3 was best. } (27. c3 Rxd7) 27... Bxe5 28. Qe2?? { (-0.95 → -3.28) Blunder. c3 was best. } (28. c3) 28... Bxg3?? { (-3.28 → -1.13) Blunder. Bxd4 was best. } (28... Bxd4 29. Rad1 Kh8 30. c3 Bb6 31. Rxd8+ Rxd8 32. Qe5 h5 33. Nxf5 Rf8 34. Ne7 Qxe5 35. Ng6+) 29. fxg3?! { (-1.13 → -1.95) Inaccuracy. fxg3 was best. } (29. fxg3 Qxg3) 29... Qxg3 30. Rxf5 Rxd4 31. Qe7? { (-2.03 → -3.45) Mistake. Qe6+ was best. } (31. Qe6+ Kh8) 31... Rh4?? { (-3.45 → Mate in 3) Checkmate is now unavoidable. h6 was best. } (31... h6) 32. Qf7+ Kh8 33. Qf8+ Rxf8 34. Rxf8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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