Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/ATqtE5nC"]
[Date "2025.10.19"]
[White "Gideon"]
[Black "Diego"]
[Result "0-1"]
[UTCDate "2025.10.19"]
[UTCTime "17:22:33"]
[WhiteElo "1337"]
[BlackElo "1340"]
[WhiteRatingDiff "-13"]
[BlackRatingDiff "+23"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Russian Game: Stafford Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6? { (0.69 → 2.14) Mistake. d6 was best. } (3... d6 4. Nf3) 4. Nxc6 dxc6 { C42 Russian Game: Stafford Gambit } 5. Nc3 Bc5 6. Bc4?? { (2.09 → -0.67) Blunder. h3 was best. } (6. h3 Qd4 7. Qf3 Bb4 8. Bd3 Nd7 9. Qg3 Ne5 10. Be2 Be6 11. a3 Bxc3 12. bxc3 Qxe4) 6... h5?? { (-0.67 → 2.14) Blunder. Ng4 was best. } (6... Ng4 7. Qf3) 7. O-O?? { (2.14 → -0.48) Blunder. Qe2 was best. } (7. Qe2 b5 8. Bb3 a5 9. a4 b4 10. Nd1 Nd7 11. d3 Ba6 12. Be3 Qe7 13. f4 O-O-O) 7... Ng4 8. Re1?? { (0.00 → -10.07) Blunder. d4 was best. } (8. d4 Bxd4) 8... Qd6?! { (-10.07 → -5.50) Inaccuracy. Bxf2+ was best. } (8... Bxf2+) 9. e5 Nxe5?? { (-5.81 → 6.37) Blunder. Bxf2+ was best. } (9... Bxf2+ 10. Kh1) 10. Ne4 Qd4 11. Nxc5 Qxc5 12. b3 O-O 13. Qxh5 Bg4 14. Qg5?? { (7.84 → -7.61) Blunder. Qxe5 was best. } (14. Qxe5) 14... Nf3+ 15. gxf3 Qxg5 16. fxg4 Qxg4+ 17. Kh1 Rfe8 18. Rg1? { (-8.07 → Mate in 3) Checkmate is now unavoidable. Bb2 was best. } (18. Bb2 Re4 19. Be5 Re8 20. Be2 Qf5 21. Bg3 R4e7 22. Kg2 Qxc2 23. Bf3 Rxe1 24. Rxe1 Rxe1) 18... Qf3+ 19. Rg2 Re1+ 20. Bf1 Rxf1# { Black wins by checkmate. } 0-1