Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/5VDMIebK"]
[Date "2026.01.16"]
[White "Bohdan"]
[Black "RoWaN"]
[Result "1-0"]
[UTCDate "2026.01.16"]
[UTCTime "21:02:47"]
[WhiteElo "1572"]
[BlackElo "1664"]
[WhiteRatingDiff "+10"]
[BlackRatingDiff "-13"]
[WhiteTitle "🐍"]
[BlackTitle "NM🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense: Two Knights Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. Nf3 d5 3. Nc3 { B10 Caro-Kann Defense: Two Knights Attack } dxe4 4. Nxe4 Bf5 5. Nc3?! { (0.70 → 0.11) Inaccuracy. Ng3 was best. } (5. Ng3 Bg4 6. c3 Nf6 7. d4 e6 8. Bd3 Qd5 9. Be2 Qa5 10. O-O Nbd7 11. a4 Bd6) 5... Nf6 6. Bc4 b5 7. Bb3 a5 8. Ne5?! { (0.00 → -0.65) Inaccuracy. a4 was best. } (8. a4 b4 9. Ne2 e6 10. Ng3 Bg6 11. h4 Nh5 12. Nf1 Nf6) 8... e6 9. g4? { (-0.28 → -1.45) Mistake. a4 was best. } (9. a4 b4) 9... Be4?! { (-1.45 → -0.60) Inaccuracy. Qd4 was best. } (9... Qd4 10. Nf3 Qxg4 11. Rg1 Qf4 12. d3 Qc7 13. a4 b4 14. Ne4 Nbd7 15. Nxf6+ Nxf6 16. Qe2) 10. Nxe4 Nxe4 11. Qf3? { (-0.46 → -2.06) Mistake. c3 was best. } (11. c3 a4 12. Bc2 Qd5 13. Qf3 Nf6 14. Qxd5 Nxd5 15. d4 Bd6 16. Bd2 Bxe5 17. dxe5 Nd7) 11... a4?? { (-2.06 → Mate in 1) Checkmate is now unavoidable. Ng5 was best. } (11... Ng5 12. Qg2) 12. Qxf7# { White wins by checkmate. } 1-0