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Puzzles (3 cohencoins award for each match):

Puzzle ShUAA: 807

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/qUKG0bhB"] [Date "2026.01.06"] [White "Jett1"] [Black "Aden1"] [Result "1-0"] [UTCDate "2026.01.06"] [UTCTime "21:40:41"] [WhiteElo "1254"] [BlackElo "1212"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-71"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nf6 3. Nc3?! { (0.62 → 0.07) Inaccuracy. Nxe5 was best. } (3. Nxe5 d6) 3... Nc6 4. Bc4 { C46 Four Knights Game: Italian Variation } d6? { (0.05 → 1.49) Mistake. Nxe4 was best. } (4... Nxe4 5. Nxe4) 5. Ng5 Qe7?! { (1.53 → 2.68) Inaccuracy. d5 was best. } (5... d5 6. exd5) 6. Bxf7+ Kd7 7. Be6+ Kd8?? { (3.02 → 8.38) Blunder. Ke8 was best. } (7... Ke8) 8. Nd5?! { (8.38 → 5.11) Inaccuracy. Nf7+ was best. } (8. Nf7+ Ke8 9. Bxc8 Rxc8 10. Nxh8 Qe6 11. d3 Qg4 12. Qxg4 Nxg4 13. h3 Nf6 14. Be3 a6) 8... h6?! { (5.11 → 8.93) Inaccuracy. Nxd5 was best. } (8... Nxd5 9. Nf7+ Ke8 10. Bxd5 Rg8 11. Nd8 Qxd8 12. Bxg8 Qh4 13. O-O Qxe4 14. d3 Qg6 15. Bd5) 9. Nxe7 Bxe7 10. Nf7+ Ke8 11. Nxh8 Nh7? { (9.55 → Mate in 5) Checkmate is now unavoidable. Bxe6 was best. } (11... Bxe6 12. d3) 12. Bxc8?! { (Mate in 5 → 16.61) Lost forced checkmate sequence. Qh5+ was best. } (12. Qh5+ g6 13. Qxg6+ Kd8 14. Nf7+ Ke8 15. Nxd6+ Kf8 16. Qxh6#) 12... Rxc8 13. Qh5+ Kd7 14. Qf5+ Kd8 15. Qxh7 Kd7 16. Qxg7 Nd4 17. Kd1 Nf5 18. exf5 c5 19. Qg4 Rxh8 20. f6+ Kd8 21. fxe7+ Kxe7 22. Qh4+ Ke6 23. d3 Rf8 24. Bxh6 Rh8 25. Re1 b5 26. Re4 Kd7 27. Qf6 a6 28. Rg4 Kc6 29. Qxh8 Kd5 30. c3 Kc6 31. Qc8+ Kb6 32. Qb8+ Ka5 33. b4+ Ka4 34. Qa8 Ka3 35. Qxa6+ Kb2 36. Qxb5 Kxa1 37. bxc5 dxc5 38. Kc1 Kxa2 39. Qb2# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting