Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Zuvx5qcz"]
[Date "2026.02.21"]
[White "Matilda"]
[Black "Vladimir"]
[Result "1-0"]
[UTCDate "2026.02.21"]
[UTCTime "18:20:29"]
[WhiteElo "1353"]
[BlackElo "1318"]
[WhiteRatingDiff "+20"]
[BlackRatingDiff "-11"]
[WhiteTitle "⛸"]
[BlackTitle "GM🐧"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C50"]
[Opening "Italian Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 { C50 Italian Game } d6 4. Nc3 Be7 5. d3?! { (0.63 → -0.06) Inaccuracy. d4 was best. } (5. d4 exd4 6. Nxd4 Nf6 7. O-O O-O 8. a4 Re8 9. h3 Nxd4 10. Qxd4 Nd7 11. Qd5 Ne5) 5... Nd4?? { (-0.06 → 2.11) Blunder. Na5 was best. } (5... Na5) 6. Nxd4 exd4 7. Nd5?! { (1.67 → 0.89) Inaccuracy. Ne2 was best. } (7. Ne2 Bf6 8. c3 dxc3 9. Qb3 d5 10. Bxd5 cxb2 11. Bxb2 Bxb2 12. Qxb2 Qf6 13. d4 Qa6) 7... Bg5?? { (0.89 → 5.04) Blunder. c6 was best. } (7... c6 8. Nxe7 Nxe7 9. O-O O-O 10. Bd2 Be6 11. Bxe6 fxe6 12. Qg4 Qd7 13. Rae1 Rf6 14. Bg5) 8. Bxg5 Qxg5 9. Qf3 Nf6 10. Nxc7+? { (6.35 → 3.37) Mistake. h4 was best. } (10. h4) 10... Ke7 11. Nxa8?? { (3.48 → -0.95) Blunder. Nb5 was best. } (11. Nb5 Qc5) 11... Kd7?? { (-0.95 → 8.77) Blunder. Bg4 was best. } (11... Bg4 12. Qg3 Nh5 13. Nc7 Qa5+ 14. c3 Nxg3 15. Nd5+ Kd7 16. hxg3 Be6 17. O-O h5 18. cxd4) 12. Qh3+ Ng4 13. f3 Kd8 14. fxg4 Bxg4 15. Qg3 Re8 16. h3 Bh5?! { (11.08 → Mate in 2) Checkmate is now unavoidable. Qa5+ was best. } { Black resigns. } (16... Qa5+ 17. c3) 1-0