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Puzzles (3 cohencoins award for each match):

Puzzle XTrlJ: 999999999

NM🙂 ay136416 (1448) +11
FEN
[Event "Rated Rapid tournament https://cohenchessclub.com/tournament/JsAN8YKk"] [Site "https://cohenchessclub.com/pRi01MEJ"] [Date "2025.06.23"] [White "ay136416"] [Black "ChessMasterPlayer"] [Result "1-0"] [UTCDate "2025.06.23"] [UTCTime "23:02:54"] [WhiteElo "1448"] [BlackElo "1463"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-9"] [WhiteTitle "NM🙂"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Nc3 d6 4. Bb5 Bd7 5. O-O Nf6 6. d3 g6 7. Bg5 Bg7 8. Nd5 Nxd5 9. exd5 Ne5 10. Bxd7+ Qxd7 11. Nxe5 Bxe5 12. Re1 Qf5 13. Bd2? { (-0.06 → -1.27) Mistake. Qd2 was best. } (13. Qd2 O-O 14. c3 Bf6 15. Bxf6 exf6 16. c4 Rfe8 17. h3 Kg7 18. Rac1 b6 19. d4 h5) 13... Bxb2?! { (-1.27 → -0.71) Inaccuracy. Bxb2 was best. } (13... Bxb2 14. Rb1) 14. Rb1 Bd4 15. Rxb7? { (-1.38 → -2.69) Mistake. Qe2 was best. } (15. Qe2 O-O-O) 15... Bxf2+ 16. Kh1 Bxe1 17. Qxe1 e6 18. dxe6 fxe6?? { (-2.36 → -0.48) Blunder. O-O was best. } (18... O-O 19. e7 Rfe8 20. h3 f6 21. Ba5 Qe5 22. Qxe5 dxe5 23. Bd8 c4 24. a4 cxd3 25. cxd3) 19. h3?? { (-0.48 → -4.37) Blunder. Bh6 was best. } (19. Bh6 Qd5) 19... O-O 20. Qh4 Qe5?? { (-4.56 → Mate in 1) Checkmate is now unavoidable. Qf1+ was best. } (20... Qf1+ 21. Kh2) 21. Qxh7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting