Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/DRHe0Zxg"]
[Date "2025.11.02"]
[White "xavi"]
[Black "Sasha"]
[Result "1-0"]
[UTCDate "2025.11.02"]
[UTCTime "18:27:59"]
[WhiteElo "1698"]
[BlackElo "1502"]
[WhiteRatingDiff "+3"]
[BlackRatingDiff "-4"]
[WhiteTitle "GM🥉"]
[BlackTitle "IM🧁"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "E20"]
[Opening "Nimzo-Indian Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 { E20 Nimzo-Indian Defense } 4. Bd2 Bxc3 5. Bxc3 Nc6?! { (0.23 → 0.93) Inaccuracy. Ne4 was best. } (5... Ne4 6. Rc1 b6 7. g3 Bb7 8. Nf3 d6 9. Bg2 O-O 10. O-O a5 11. Ne1 Nxc3 12. Rxc3) 6. Nf3 d6?! { (0.49 → 1.07) Inaccuracy. Ne4 was best. } (6... Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. g3 d6 10. Bg2 Qf6 11. b4 e5 12. dxe5 Nxe5 13. Nxe5) 7. e3?! { (1.07 → 0.47) Inaccuracy. Qc2 was best. } (7. Qc2) 7... O-O 8. Bd3 b6 9. O-O Bb7 10. Qc2 d5?! { (1.41 → 1.98) Inaccuracy. a5 was best. } (10... a5 11. a3) 11. Ng5?! { (1.98 → 1.22) Inaccuracy. cxd5 was best. } (11. cxd5 Qxd5 12. e4 Qh5 13. Rfe1 Rac8 14. Qa4 a5 15. Qa3 Rfe8 16. h3 Ne7 17. Rac1 c5) 11... dxc4?! { (1.22 → 2.01) Inaccuracy. g6 was best. } (11... g6) 12. Bxh7+ Nxh7?? { (1.62 → Mate in 1) Checkmate is now unavoidable. Kh8 was best. } (12... Kh8 13. f3) 13. Qxh7# { White wins by checkmate. } 1-0