Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/1LusfVJG"]
[Date "2026.09.18"]
[White "Mark2"]
[Black "Jenna"]
[Result "1-0"]
[UTCDate "2026.09.18"]
[UTCTime "23:44:44"]
[WhiteElo "1206"]
[BlackElo "1475"]
[WhiteRatingDiff "+18"]
[BlackRatingDiff "-16"]
[WhiteTitle "࿄"]
[BlackTitle "NM"]
[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. g3 Bc5 5. Bg2 O-O?! { (-0.25 → 0.46) Inaccuracy. d6 was best. } (5... d6 6. d3 a5 7. Na4 Ba7 8. Nc3 a4 9. O-O Bc5 10. h3 h6 11. Nb5 Bd7 12. c3) 6. O-O?! { (0.46 → -0.27) Inaccuracy. Nxe5 was best. } (6. Nxe5 Nxe5 7. d4 Bd6 8. dxe5 Bxe5 9. O-O c6 10. Re1 Re8 11. a4 Qa5 12. Bd2 d6) 6... d6 7. d3 h6?! { (-0.12 → 0.53) Inaccuracy. a5 was best. } (7... a5 8. h3) 8. Ng5?? { (0.53 → -5.25) Blunder. Na4 was best. } (8. Na4 Bb6) 8... hxg5 9. Bxg5 Be6?! { (-4.83 → -3.46) Inaccuracy. Ne7 was best. } (9... Ne7 10. Na4) 10. d4?! { (-3.46 → -5.32) Inaccuracy. Kh1 was best. } (10. Kh1 Qc8) 10... Nxd4 11. Nd5 Bxd5 12. exd5 c6? { (-4.96 → -2.81) Mistake. Nf5 was best. } (12... Nf5) 13. c3 Nb5?? { (-3.22 → -1.13) Blunder. Nf5 was best. } (13... Nf5) 14. c4?? { (-1.13 → -6.38) Blunder. dxc6 was best. } (14. dxc6 bxc6) 14... Nd4 15. dxc6 bxc6 16. Bxc6 Rc8 17. Bd5 Ne6 18. Bxe6 fxe6 19. Qd3 d5 20. cxd5 exd5 21. Qg6 Be7 22. Bh6 Rf7 23. Rfe1 e4 24. f3 exf3 25. g4 Ne8 26. Re6 Nc7 27. Re5 Rf6?? { (-8.30 → Mate in 1) Checkmate is now unavoidable. Qd6 was best. } (27... Qd6 28. Qxd6) 28. Qxg7# { White wins by checkmate. } 1-0