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Puzzles (3 cohencoins award for each match):

Puzzle yZC9f: 312

FEN
[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/uBbfHMhf"] [Date "2025.12.18"] [White "ZePHyRos"] [Black "Wali"] [Result "0-1"] [UTCDate "2025.12.18"] [UTCTime "00:52:26"] [WhiteElo "1748"] [BlackElo "1743"] [WhiteTitle "GM☢"] [BlackTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 { C46 Four Knights Game: Italian Variation } Nxe4 5. Nxe4 d5 6. Bb5?? { (0.00 → -2.73) Blunder. Bd3 was best. } (6. Bd3 dxe4 7. Bxe4 Nb4 8. c3 Nd3+ 9. Bxd3 Qxd3 10. Nxe5 Qe4+ 11. Qe2 Qxg2 12. Nf3+ Be7) 6... dxe4 7. Nxe5 Qd5?! { (-2.61 → -1.65) Inaccuracy. Qg5 was best. } (7... Qg5 8. d4 Qxg2 9. Rf1 Bd6 10. Nxc6 a6 11. Bc4 bxc6 12. Be3 O-O 13. Kd2 Rb8 14. Rg1) 8. Nxc6?! { (-1.65 → -2.84) Inaccuracy. Bxc6+ was best. } (8. Bxc6+ bxc6) 8... bxc6?? { (-2.84 → -0.30) Blunder. Qxb5 was best. } (8... Qxb5 9. Nd4) 9. Ba4? { (-0.30 → -1.62) Mistake. Be2 was best. } (9. Be2 Qg5) 9... Bc5?? { (-1.62 → 0.19) Blunder. Ba6 was best. } (9... Ba6 10. d3 exd3 11. O-O d2 12. c4 Bxc4 13. Qxd2 Qxd2 14. Bxd2 O-O-O 15. Rfc1 Bb5 16. Bxb5) 10. Bb3?? { (0.19 → -2.45) Blunder. d4 was best. } (10. d4 Bd6 11. O-O O-O 12. Re1 Bd7 13. c4 Qxc4 14. Rxe4 Rfe8 15. Rxe8+ Rxe8 16. Be3 Qd5) 10... Qf5?? { (-2.45 → -0.47) Blunder. Qg5 was best. } (10... Qg5 11. O-O) 11. Qe2 O-O 12. Rf1?? { (-0.69 → -3.95) Blunder. O-O was best. } (12. O-O Qg6 13. d3 Bf5 14. dxe4 Bxe4 15. g3 Qf5 16. Re1 Bf3 17. Qf1 Rae8 18. Be3 Rxe3) 12... Be6? { (-3.95 → -1.89) Mistake. Qg6 was best. } (12... Qg6 13. Rg1) 13. Bxe6?! { (-1.89 → -2.77) Inaccuracy. f3 was best. } (13. f3 Qg6) 13... fxe6? { (-2.77 → -1.08) Mistake. Qxe6 was best. } (13... Qxe6 14. Rh1 Rad8 15. b3 Qf6 16. Rb1 Qg6 17. g3 Rfe8 18. b4 Bb6 19. Rb3 h5 20. h4) 14. f3?! { (-1.08 → -1.85) Inaccuracy. b3 was best. } (14. b3) 14... exf3 15. Rxf3?! { (-1.85 → -2.72) Inaccuracy. Rxf3 was best. } (15. Rxf3 Qxc2 16. d3 Qa4 17. Bd2 e5 18. Qe4 Bd4 19. Rc1 Qxa2 20. Rxc6 Qa1+ 21. Rc1 Qxb2) 15... Qg6?! { (-2.72 → -1.98) Inaccuracy. Qg6 was best. } (15... Qg6 16. Kd1) 16. d3 Rxf3 17. Qxf3?? { (-1.73 → -3.97) Blunder. gxf3 was best. } (17. gxf3 Qg1+) 17... Rf8?! { (-3.97 → -2.61) Inaccuracy. Rf8 was best. } (17... Rf8) 18. Qxc6?? { (-2.61 → -5.86) Blunder. Qxc6 was best. } (18. Qxc6 Bf2+ 19. Kd2 Bd4 20. c3 Rf2+ 21. Ke1 Bb6 22. d4 Rxg2 23. Qa8+ Kf7 24. Qf3+ Ke8) 18... Bf2+? { (-5.86 → -3.30) Mistake. Qf5 was best. } (18... Qf5 19. Qf3 Bb4+ 20. Kd1 Qc5 21. Be3 Qe5 22. Qe2 Qxh2 23. Qg4 Qh1+ 24. Ke2 Qxa1 25. Qxb4) 19. Kd2 Qh6+ 20. Kc3 Qf6+ 21. Kb3 Rb8+ 22. Ka3?? { (-3.62 → Mate in 3) Checkmate is now unavoidable. Ka4 was best. } (22. Ka4 Qd4+ 23. c4 h6 24. Qxe6+ Kh8 25. Bxh6 Qxb2 26. Bxg7+ Kxg7 27. Qd7+ Kf8 28. Qf5+ Ke8) 22... Qe7+ 23. b4 Qxb4# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting