Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/VAUeRKQi"]
[Date "2026.09.22"]
[White "Summer"]
[Black "Vincent3"]
[Result "0-1"]
[UTCDate "2026.09.22"]
[UTCTime "14:09:52"]
[WhiteElo "1353"]
[BlackElo "1414"]
[WhiteRatingDiff "-9"]
[BlackRatingDiff "+8"]
[WhiteTitle "GM🐬"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. d3 Bb4 5. Bg5?! { (0.08 → -0.54) Inaccuracy. g3 was best. } (5. g3) 5... O-O 6. Bxf6?! { (-0.09 → -0.99) Inaccuracy. Be2 was best. } (6. Be2) 6... Qxf6 7. Qd2?! { (-0.80 → -1.34) Inaccuracy. a3 was best. } (7. a3 Bxc3+ 8. bxc3 Ne7 9. c4 c6 10. Nd2 d5 11. Qf3 Qd6 12. exd5 cxd5 13. cxd5 Nxd5) 7... Bxc3 8. bxc3 d6 9. c4 Nd4? { (-0.85 → 0.55) Mistake. Qe7 was best. } (9... Qe7 10. Be2 f5 11. exf5 Bxf5 12. O-O h6 13. h3 Qf6 14. Rae1 Rae8 15. Bd1 b6 16. Nh2) 10. Nxd4 exd4 11. Be2 a6 12. O-O b5 13. cxb5?? { (0.81 → -1.26) Blunder. Qa5 was best. } (13. Qa5 c6) 13... axb5 14. Bf3?! { (-1.21 → -1.78) Inaccuracy. h3 was best. } (14. h3 c5) 14... Bb7?? { (-1.78 → 6.07) Blunder. Ra6 was best. } (14... Ra6) 15. e5 Qxf3 16. gxf3 Bxf3 17. exd6 Rfe8 18. Qf4 Bc6 19. Qxd4 Re6 20. dxc7?? { (6.30 → Mate in 2) Checkmate is now unavoidable. f3 was best. } (20. f3 Rxd6) 20... Rg6+ 21. Qg4 Rxg4# { Black wins by checkmate. } 0-1