Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/kqJqMnJO"]
[Date "2025.12.11"]
[White "Maxim"]
[Black "ZePHyRos"]
[Result "0-1"]
[UTCDate "2025.12.11"]
[UTCTime "00:44:29"]
[WhiteElo "1709"]
[BlackElo "1716"]
[WhiteRatingDiff "-6"]
[BlackRatingDiff "+12"]
[WhiteTitle "GM🧂"]
[BlackTitle "GM☢"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C50"]
[Opening "Giuoco Piano"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 { C50 Giuoco Piano } 4. Nc3 d6 5. d3 Bg4?! { (-0.12 → 0.47) Inaccuracy. Na5 was best. } (5... Na5 6. Bb3 Nxb3 7. axb3 Ne7 8. O-O O-O 9. h3 a6 10. d4 exd4 11. Nxd4 d5 12. Be3) 6. O-O?? { (0.47 → -1.61) Blunder. h3 was best. } (6. h3 Bh5) 6... Nd4 7. Be3? { (-1.41 → -2.78) Mistake. Na4 was best. } (7. Na4 Bh5 8. Nxc5 dxc5 9. Bxf7+ Bxf7 10. Nxe5 Qf6 11. f4 Ne7 12. Nxf7 Qxf7 13. c3 Ndc6) 7... Nxf3+ 8. gxf3 Bxe3?! { (-2.35 → -1.25) Inaccuracy. Bh3 was best. } (8... Bh3 9. f4 Bxe3 10. fxe3 Bxf1 11. Qg4 Bh3 12. Qxh3 Nf6 13. fxe5 dxe5 14. Rf1 Qd6 15. Qg3) 9. fxg4 Bf4 10. Qf3? { (-1.31 → -2.50) Mistake. Nd5 was best. } (10. Nd5 h5 11. Nxf4 exf4 12. Kh1 hxg4 13. Qxg4 Qh4 14. Qxh4 Rxh4 15. Rg1 g6 16. Rg5 Ke7) 10... Qh4?! { (-2.50 → -1.85) Inaccuracy. h5 was best. } (10... h5 11. g5 Qxg5+ 12. Qg2 Qxg2+ 13. Kxg2 Ne7 14. b4 Bd2 15. Ne2 Rh6 16. b5 Rf6 17. a4) 11. Qg2 Nf6 12. Ne2 Nxg4 13. Nxf4 exf4 14. f3? { (-3.32 → -5.97) Mistake. h3 was best. } (14. h3 h5) 14... Ne3 15. Qxg7 O-O-O?! { (-7.62 → -5.09) Inaccuracy. O-O-O was best. } (15... O-O-O) 16. Qxf7?! { (-5.09 → -17.81) Inaccuracy. Bxf7 was best. } (16. Bxf7 Rhf8 17. Be6+ Kb8 18. Kh1 Rfe8 19. Bb3 Re5 20. Qg1 Nxf1 21. Rxf1 Rg5 22. Qf2 Qh3) 16... Qg5+ 17. Kh1?! { (-20.70 → Mate in 1) Checkmate is now unavoidable. Kf2 was best. } (17. Kf2 Qg2+) 17... Qg2# { Black wins by checkmate. } 0-1