Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/dXZ7AMJ1"]
[Date "2026.05.08"]
[White "David3"]
[Black "RoWaN"]
[Result "1-0"]
[UTCDate "2026.05.08"]
[UTCTime "20:03:53"]
[WhiteElo "1496"]
[BlackElo "1668"]
[WhiteRatingDiff "+14"]
[BlackRatingDiff "-17"]
[WhiteTitle "IM🔱"]
[BlackTitle "NM🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B12"]
[Opening "Caro-Kann Defense: Advance Variation, Short Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 { B12 Caro-Kann Defense: Advance Variation, Short Variation } g6?! { (0.35 → 1.25) Inaccuracy. e6 was best. } (4... e6 5. Nbd2) 5. Bd3 Bg7?! { (1.39 → 2.35) Inaccuracy. e6 was best. } (5... e6 6. Bxf5) 6. O-O? { (2.35 → 1.18) Mistake. Bxf5 was best. } (6. Bxf5 gxf5) 6... e6?! { (1.18 → 2.06) Inaccuracy. Bxd3 was best. } (6... Bxd3 7. Qxd3 e6 8. c4 Ne7 9. Nc3 O-O 10. h4 Na6 11. Qe2 dxc4 12. Ne4 h6 13. h5) 7. Bg5?! { (2.06 → 1.38) Inaccuracy. Bxf5 was best. } (7. Bxf5) 7... Ne7 8. Nbd2? { (1.56 → 0.06) Mistake. Bxf5 was best. } (8. Bxf5 gxf5 9. Nc3 h6 10. Be3 c5 11. dxc5 Nbc6 12. Nb5 O-O 13. Re1 Ng6 14. Bd4 b6) 8... O-O?! { (0.06 → 0.94) Inaccuracy. Bxd3 was best. } (8... Bxd3 9. cxd3) 9. Qe2?! { (0.94 → 0.23) Inaccuracy. Bxf5 was best. } (9. Bxf5 exf5 10. Re1 h6 11. Bxe7 Qxe7 12. h4 Na6 13. c3 Nc7 14. a4 a5 15. Ra3 h5) 9... a6? { (0.23 → 1.74) Mistake. Bxd3 was best. } (9... Bxd3 10. Qxd3 h6 11. Bxe7 Qxe7 12. c4 c5 13. cxd5 exd5 14. dxc5 Nd7 15. Qxd5 Nxe5 16. Nxe5) 10. Rad1? { (1.74 → 0.36) Mistake. Bxf5 was best. } (10. Bxf5 exf5) 10... Nd7?? { (0.36 → 2.07) Blunder. Bxd3 was best. } (10... Bxd3 11. Qxd3 h6 12. Bxe7 Qxe7 13. c4 c5 14. cxd5 exd5 15. dxc5 Qxc5 16. Nb3 Qb5 17. Qxb5) 11. Rfe1? { (2.07 → 0.48) Mistake. Bxf5 was best. } (11. Bxf5) 11... Re8?? { (0.48 → 2.40) Blunder. Bxd3 was best. } (11... Bxd3) 12. Bxf5 exf5?! { (2.19 → 2.86) Inaccuracy. gxf5 was best. } (12... gxf5 13. Qe3 c5 14. c3 Qb6 15. h4 Kh8 16. Nf1 Ng8 17. Ng3 h6 18. Bf4 Qxb2 19. Rb1) 13. e6 Nf6?? { (2.48 → 10.60) Blunder. f6 was best. } (13... f6) 14. exf7+ Kxf7?! { (11.54 → Mate in 3) Checkmate is now unavoidable. Kh8 was best. } (14... Kh8 15. fxe8=R+) 15. Qe6+ Kf8 16. Bxf6?! { (Mate in 2 → 11.69) Lost forced checkmate sequence. Ne5 was best. } (16. Ne5 Neg8 17. Qf7#) 16... Bxf6 17. Qxf6+ Kg8 18. Ng5 Rf8 19. Qe6+ Kg7 20. Qe5+ Kh6?! { (12.12 → Mate in 5) Checkmate is now unavoidable. Kg8 was best. } (20... Kg8 21. Ne6) 21. Ne6 Qb8 22. Qg7+ Kh5 23. Qxh7+ Kg4 24. Qxe7 Re8 25. h3+ Kh5 26. Qg5# { White wins by checkmate. } 1-0