Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/qfXfLLTM"]
[Date "2026.06.08"]
[White "Mark"]
[Black "Caroline1"]
[Result "0-1"]
[UTCDate "2026.06.08"]
[UTCTime "15:10:49"]
[WhiteElo "1471"]
[BlackElo "1423"]
[WhiteRatingDiff "-14"]
[BlackRatingDiff "+8"]
[WhiteTitle "⛳"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C45"]
[Opening "Scotch Game: Classical Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 { C45 Scotch Game: Classical Variation } 5. Be3 Bxd4 6. Bxd4 Nxd4 7. Qxd4 Nf6?? { (0.41 → 3.08) Blunder. Qf6 was best. } (7... Qf6 8. e5 Qb6 9. Qxb6 axb6 10. Nc3 f6 11. f4 Kd8 12. O-O-O fxe5 13. fxe5 Nh6 14. Bc4) 8. e5 Qe7 9. Be2 Ng8?! { (3.58 → 5.45) Inaccuracy. c5 was best. } (9... c5 10. exf6) 10. Nd2?? { (5.45 → 2.25) Blunder. Nc3 was best. } (10. Nc3) 10... d6? { (2.25 → 4.25) Mistake. Qe6 was best. } (10... Qe6 11. Bc4 Qh6 12. Qd5 Qg6 13. O-O-O Ne7 14. Qf3 O-O 15. Rhe1 d5 16. exd6 Qxd6 17. Ne4) 11. exd6 cxd6 12. Qxg7 Bg4?! { (5.10 → 9.38) Inaccuracy. Qf6 was best. } (12... Qf6 13. Qxf6) 13. Qxg4 Nf6 14. Qa4+ Nd7 15. Nc4 Rc8 16. Ne3 O-O 17. O-O-O Nc5 18. Qd4 Nb3+ 19. axb3 Qc7 20. Nf5?? { (12.84 → Mate in 1) Checkmate is now unavoidable. Bc4 was best. } (20. Bc4 Qb6) 20... Qxc2# { Black wins by checkmate. } 0-1