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Puzzles (3 cohencoins award for each match):

Puzzle 29gHp: 999999999

 Walker (1457) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/fkvVcQh7"] [Date "2025.09.16"] [White "Archer1"] [Black "Walker"] [Result "0-1"] [UTCDate "2025.09.16"] [UTCTime "20:07:11"] [WhiteElo "1150"] [BlackElo "1457"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+1"] [WhiteTitle "NM"] [BlackTitle "⚡"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Queen's Knight"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e6 2. Nc3 { C00 French Defense: Queen's Knight } d6 3. e5?? { (0.94 → -1.81) Blunder. d4 was best. } (3. d4 Nf6 4. Nf3 Be7 5. a3 Nc6 6. Be3 O-O 7. Bd3 Ng4 8. Bd2 e5 9. d5 Nb8) 3... dxe5 4. Ne4?! { (-1.51 → -2.49) Inaccuracy. Nf3 was best. } (4. Nf3) 4... Bc5?? { (-2.49 → 5.33) Blunder. f5 was best. } (4... f5 5. Ng3) 5. Nxc5 Qd4 6. Nxe6?? { (7.23 → 0.16) Blunder. Nb3 was best. } (6. Nb3 Qe4+ 7. Ne2 b6 8. d3 Qg6 9. h4 Bb7 10. h5 Qf6 11. Nc3 Nc6 12. Qg4 O-O-O) 6... Qd5?? { (0.16 → 17.23) Blunder. Bxe6 was best. } (6... Bxe6 7. Nf3 Qd6 8. d4 Nc6 9. dxe5 Qxd1+ 10. Kxd1 O-O-O+ 11. Bd2 Bd5 12. Kc1 Bxf3 13. gxf3) 7. Nxc7+ Kd7 8. Nxd5 Ne7 9. Nxe7 Kxe7 10. Bc4 Nc6 11. Qh5 Be6 12. Nf3 Bxc4 13. Nxe5 Nxe5 14. Qxe5+ Kd7 15. Qd4+ Bd5 16. Qxd5+ Kc7 17. O-O Rhd8 18. Qxf7+ Rd7 19. Qe6 Rf8 20. Re1 Rdf7 21. Qc4+ Kd8 22. Re8+ Rxe8 23. Qxf7?? { (10.73 → Mate in 1) Checkmate is now unavoidable. Kf1 was best. } (23. Kf1 Rd7 24. Qh4+ Kc8 25. Qxh7 Rf7 26. Qd3 Ree7 27. c3 Rf6 28. Qc4+ Rc6 29. Qg4+ Rd7) 23... Re1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting