Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/2RgyedkK"]
[Date "2026.08.28"]
[White "Mark2"]
[Black "Joey2"]
[Result "0-1"]
[UTCDate "2026.08.28"]
[UTCTime "23:21:24"]
[WhiteElo "1202"]
[BlackElo "1252"]
[WhiteRatingDiff "-9"]
[BlackRatingDiff "+55"]
[WhiteTitle "࿄"]
[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 d6 6. Na4 Be6?! { (-0.63 → -0.08) Inaccuracy. Nxe4 was best. } (6... Nxe4 7. Nxc5) 7. Nxc5 dxc5 8. O-O Bg4?! { (-0.36 → 0.45) Inaccuracy. Qd6 was best. } (8... Qd6) 9. Qe1 Bxf3 10. Bxf3 Nd4 11. Bg2?? { (0.09 → -6.39) Blunder. Bd1 was best. } (11. Bd1 h5) 11... Nxc2 12. Qe2 Nxa1 13. Qb5+ Qd7 14. Qxb7 O-O 15. d4 c4?! { (-8.76 → -5.79) Inaccuracy. cxd4 was best. } (15... cxd4 16. f4 Rfb8 17. Qa6 d3 18. fxe5 Ng4 19. Qc4 Nc2 20. Qd5 Qe6 21. Qxd3 Qb6+ 22. Kh1) 16. dxe5 Ng4 17. e6 fxe6 18. Bd2 Nc2 19. Rc1 Qxd2 20. Qxc7?! { (-15.30 → Mate in 5) Checkmate is now unavoidable. Rf1 was best. } (20. Rf1 Nd4 21. Qxa8 Rxa8 22. a4 Qxb2 23. e5 Rf8 24. Bh3 Nxf2 25. Bg4 c3 26. h3 c2) 20... Qxc1+ 21. Bf1 Ne1?! { (Mate in 4 → -22.34) Lost forced checkmate sequence. Rxf2 was best. } (21... Rxf2 22. Qxc4 Nd4 23. Qc8+ Rxc8 24. h3 Qxf1#) 22. Bxc4?! { (-22.34 → Mate in 3) Checkmate is now unavoidable. Qc5 was best. } (22. Qc5 Nf3+) 22... Nf3+ 23. Kg2 Qg1+ 24. Kh3 Nxf2# { Black wins by checkmate. } 0-1