Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/H4NYYnnk"]
[Date "2026.05.12"]
[White "Noah13"]
[Black "David3"]
[Result "1-0"]
[UTCDate "2026.05.12"]
[UTCTime "20:07:38"]
[WhiteElo "1405"]
[BlackElo "1502"]
[WhiteRatingDiff "+36"]
[BlackRatingDiff "-11"]
[WhiteTitle "IM"]
[BlackTitle "IM🔱"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B12"]
[Opening "Caro-Kann Defense: Advance Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. e5 { B12 Caro-Kann Defense: Advance Variation } Bf5 4. Bf4?! { (0.48 → -0.35) Inaccuracy. Nf3 was best. } (4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Ne7 8. O-O Nbc6 9. Bb5 Bg6 10. c4 a6) 4... e6 5. Ne2 Ne7 6. Nbc3?! { (-0.29 → -0.87) Inaccuracy. Nd2 was best. } (6. Nd2 Nd7 7. c3 h5 8. Ng3 Bg6 9. h4 c5 10. dxc5 Nxc5 11. Nf3 Nd7 12. Be2 Nc6) 6... Nd7 7. Ng3 c5? { (-0.66 → 0.77) Mistake. Bg6 was best. } (7... Bg6 8. a3 h5 9. h4 c5 10. dxc5 Nxc5 11. Nb5 Nc6 12. c4 a6 13. Nd6+ Bxd6 14. exd6) 8. Bg5 cxd4 9. Nxf5 dxc3?? { (0.91 → Mate in 1) Checkmate is now unavoidable. exf5 was best. } (9... exf5 10. Qxd4) 10. bxc3?? { (Mate in 1 → -6.38) Lost forced checkmate sequence. Nd6# was best. } (10. Nd6#) 10... exf5 11. Bb5 Rc8?! { (-6.41 → -4.70) Inaccuracy. a6 was best. } (11... a6) 12. O-O Rxc3?! { (-4.89 → -3.54) Inaccuracy. a6 was best. } (12... a6 13. Ba4 b5 14. Bb3 Nc5 15. a4 Qd7 16. axb5 axb5 17. Re1 h6 18. Bf6 h5 19. Ra5) 13. Bxe7? { (-3.54 → -5.84) Mistake. Qh5 was best. } (13. Qh5 g6) 13... Bxe7 14. Qxd5 Rc5?! { (-6.21 → -4.25) Inaccuracy. a6 was best. } (14... a6 15. Bc4 O-O 16. e6 Nf6 17. exf7+ Kh8 18. Qxd8 Bxd8 19. Bb3 g6 20. Rfe1 Rc7 21. Rad1) 15. Qxb7 Rxe5?? { (-4.30 → 0.98) Blunder. Qc7 was best. } (15... Qc7 16. Qxc7 Rxc7 17. Rad1 a6 18. Ba4 Kd8 19. Bb3 Kc8 20. Bxf7 Nxe5 21. Be6+ Kb8 22. Rd5) 16. Bxd7+ Qxd7?? { (1.15 → 6.53) Blunder. Kf8 was best. } (16... Kf8 17. Rfe1) 17. Qb8+ Bd8 18. Qxe5+ Be7 19. Qxg7 Rf8 20. Rad1 Qa4 21. Qxh7 Qxc2 22. Rc1 Qxa2 23. Qxf5 Qd5?! { (15.75 → Mate in 4) Checkmate is now unavoidable. Qe2 was best. } { Black resigns. } (23... Qe2 24. Qd5) 1-0