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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/rECDXpMT"] [Date "2026.04.01"] [White "Maria"] [Black "xavi"] [Result "0-1"] [UTCDate "2026.04.01"] [UTCTime "20:27:00"] [WhiteElo "1210"] [BlackElo "1666"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [WhiteTitle "ā¦"] [BlackTitle "GMšŸ„‰"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C25"] [Opening "Vienna Game: Giraffe Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nc3 Bc5 3. Qg4? { (0.50 → -0.67) Mistake. Nf3 was best. } { C25 Vienna Game: Giraffe Attack } (3. Nf3 d6 4. Na4 Nd7 5. g3 Ngf6 6. d3 Bb6 7. Nxb6 axb6 8. Bg2 O-O 9. O-O Re8) 3... Qf6?! { (-0.67 → 0.16) Inaccuracy. Nf6 was best. } (3... Nf6 4. Qg3) 4. f3?? { (0.16 → -1.80) Blunder. Qf3 was best. } (4. Qf3 c6 5. a3 a5 6. d3 d6 7. h4 Qxf3 8. gxf3 Nf6 9. h5 h6 10. f4 O-O) 4... Nc6?? { (-1.80 → 6.30) Blunder. h5 was best. } (4... h5 5. Qg3) 5. Nd5 Qh6 6. Nxc7+?! { (8.90 → 6.15) Inaccuracy. d4 was best. } (6. d4 f5 7. Bxh6 fxg4 8. Bxg7 Nxd4 9. O-O-O Kd8 10. Bxe5 c6 11. Bxh8 Nxc2 12. Kxc2 cxd5) 6... Kd8 7. Nxa8 d6 8. Qg3 Nf6 9. Bb5?! { (10.32 → 6.24) Inaccuracy. d4 was best. } (9. d4) 9... Nh5 10. Bxc6?? { (6.33 → -8.99) Blunder. Qh4+ was best. } (10. Qh4+ g5 11. d3 gxh4 12. Bxh6 Rg8 13. Kf1 Nb4 14. c3 Nc2 15. Rc1 Ne3+ 16. Bxe3 Bxe3) 10... bxc6?? { (-8.99 → 6.46) Blunder. Nxg3 was best. } (10... Nxg3 11. d4) 11. Qf2?? { (6.46 → -6.46) Blunder. Qh4+ was best. } (11. Qh4+ g5 12. d4 gxh4 13. Bxh6 exd4 14. Bd2 d5 15. O-O-O d3 16. exd5 dxc2 17. Re1 Kd7) 11... Bxf2+ 12. Kxf2 Be6 13. Nh3 Kd7 14. Re1 Rxa8 15. d3 Qg6 16. f4 Bxh3 17. gxh3 Nxf4 18. Re3 Qg2+ 19. Ke1 Qg1+ 20. Kd2 Qxh2+ 21. Ke1 Ng2+ 22. Ke2?! { (-10.69 → Mate in 10) Checkmate is now unavoidable. Kd2 was best. } (22. Kd2 Qf4 23. Kc3 Qf1 24. Rg3 Qe1+ 25. Bd2 Qxg3 26. Rf1 f6 27. a4 Qxh3 28. Rg1 Qh2) 22... Nxe3+? { (Mate in 10 → -9.14) Lost forced checkmate sequence. Qg1 was best. } (22... Qg1 23. Kd2 Qxe3+ 24. Kc3 Qc5+ 25. Kd2 Qf2+ 26. Kc3 Ne1 27. Be3 Qxc2+ 28. Kb4 Rb8+ 29. Bb6) 23. Kxe3 Qxh3+ 24. Ke2 f5 25. exf5 Rf8 26. b4? { (-9.76 → Mate in 11) Checkmate is now unavoidable. Kd2 was best. } (26. Kd2 Qg2+ 27. Kc3 Qg1 28. a3 Rb8 29. Kd2 Qf2+ 30. Kd1 Qf3+ 31. Kd2 Rb3 32. f6 Qf2+) 26... Rxf5 27. Rb1 Qg2+ 28. Kd1 Rf1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting