Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/6NAg7RQc"]
[Date "2026.01.16"]
[White "Trekker"]
[Black "Bohdan"]
[Result "1-0"]
[UTCDate "2026.01.16"]
[UTCTime "21:44:50"]
[WhiteElo "1838"]
[BlackElo "1563"]
[WhiteRatingDiff "+3"]
[BlackRatingDiff "-2"]
[WhiteTitle "GM🎅"]
[BlackTitle "🐍"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A01"]
[Opening "Nimzo-Larsen Attack: Modern Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. b3 e5 2. Bb2 Nc6 3. e3 { A01 Nimzo-Larsen Attack: Modern Variation } Bc5?! { (-0.18 → 0.67) Inaccuracy. d5 was best. } (3... d5) 4. Nf3 d5?! { (1.02 → 2.06) Inaccuracy. d6 was best. } (4... d6 5. d4) 5. Nxe5 d4?? { (2.03 → 5.65) Blunder. Nxe5 was best. } (5... Nxe5 6. Bxe5 Nf6 7. d4 Bb4+ 8. c3 Bd6 9. Bxd6 Qxd6 10. c4 dxc4 11. Bxc4 c5 12. Nc3) 6. Nxc6? { (5.65 → 3.16) Mistake. Nxf7 was best. } (6. Nxf7) 6... bxc6 7. exd4?! { (3.78 → 2.50) Inaccuracy. Bc4 was best. } (7. Bc4 Nf6 8. Qf3 Bb6 9. a4 a6 10. Qxc6+ Bd7 11. Qf3 O-O 12. h3 Bc5 13. Na3 Re8) 7... Bxd4 8. Qe2+ Ne7 9. Bxd4 Qxd4 10. Nc3 O-O? { (2.41 → 4.74) Mistake. Qd6 was best. } (10... Qd6 11. Qd3) 11. Qxe7 Bf5?! { (4.83 → 7.85) Inaccuracy. Bg4 was best. } (11... Bg4 12. Bc4 Rae8 13. Bxf7+ Kh8 14. Qxe8 Rxe8+ 15. Bxe8 Qe5+ 16. Kf1 Qxe8 17. Re1 Qf8 18. h3) 12. O-O-O Rfe8 13. Qxc7 Qb4 14. Bc4 Rec8 15. Qxf7+ Kh8 16. Qxf5 Rf8 17. Qh5 a5 18. Bd3 a4 19. Qxh7# { White wins by checkmate. } 1-0