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Puzzles (3 cohencoins award for each match):

Puzzle AVEve: 690

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ZfwVqxGn"] [Date "2025.12.20"] [White "Christian1"] [Black "Eli4"] [Result "1-0"] [UTCDate "2025.12.20"] [UTCTime "00:11:08"] [WhiteElo "1731"] [BlackElo "752"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [WhiteTitle "NM🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A46"] [Opening "Queen's Pawn Game: Veresov Attack, Classical Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 e6 3. Nc3?! { (0.44 → -0.20) Inaccuracy. c4 was best. } (3. c4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 c5 8. dxc5 Qc7 9. Nxc4 Bxc5) 3... Nf6 4. Bg5 { A46 Queen's Pawn Game: Veresov Attack, Classical Defense } Nc6?! { (-0.16 → 0.49) Inaccuracy. Nbd7 was best. } (4... Nbd7 5. e4) 5. e3 Bd6 6. Nb5 Bd7 7. Nxd6+ cxd6 8. Bb5?? { (0.59 → -7.46) Blunder. Nd2 was best. } (8. Nd2 e5 9. c3 h6 10. Bh4 Qe7 11. Be2 g5 12. Bg3 O-O-O 13. b4 Kb8 14. a4 h5) 8... Qe7?? { (-7.46 → 0.26) Blunder. Qa5+ was best. } (8... Qa5+ 9. Nd2 Qxb5 10. Bxf6 gxf6 11. c4 dxc4 12. O-O Qd5 13. e4 Qxd4 14. Nf3 Qxe4 15. Re1) 9. Qd3 O-O 10. O-O-O? { (0.48 → -0.64) Mistake. Qa3 was best. } (10. Qa3) 10... Nxd4?? { (-0.64 → 7.25) Blunder. a6 was best. } (10... a6 11. Bxc6) 11. Nxd4 e5 12. Ne2?! { (8.62 → 6.00) Inaccuracy. Bxd7 was best. } (12. Bxd7 exd4) 12... e4 13. Qb3 d4 14. Bxf6 dxe3 15. Bxe7 exf2 16. Bxf8 e3 17. Bxd7 f1=Q 18. Rhxf1 d5 19. Qxd5 g5 20. Qxf7+ Kh8 21. Bg7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting