Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Yved7u9j"]
[Date "2026.02.04"]
[White "Maria"]
[Black "Trekker"]
[Result "0-1"]
[UTCDate "2026.02.04"]
[UTCTime "21:41:38"]
[WhiteElo "1200"]
[BlackElo "1841"]
[WhiteRatingDiff "+0"]
[BlackRatingDiff "+0"]
[WhiteTitle "❦"]
[BlackTitle "GM🎅"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B02"]
[Opening "Alekhine Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nf6 { B02 Alekhine Defense } 2. Qe2? { (0.91 → -0.27) Mistake. e5 was best. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. Nc3 O-O 8. Be3 Bf6) 2... Nc6 3. Nc3?! { (-0.42 → -1.02) Inaccuracy. e5 was best. } (3. e5 Nd5) 3... d6?! { (-1.02 → -0.44) Inaccuracy. e5 was best. } (3... e5 4. Nf3 d5 5. exd5 Nxd5 6. a3 Bg4 7. Qb5 Bxf3 8. Qxb7 Nxc3 9. gxf3 Nd4 10. dxc3) 4. Qf3 Bg4 5. Qf4?! { (-0.62 → -1.33) Inaccuracy. Qg3 was best. } (5. Qg3 Nb4) 5... e5 6. Qg5?! { (-1.20 → -2.18) Inaccuracy. Qg3 was best. } (6. Qg3 Nd4 7. Bd3 c5 8. b3 Be6 9. Nce2 Nh5 10. Qe3 Be7 11. Nxd4 cxd4 12. Qf3) 6... h6 7. Qe3 Nd4?! { (-2.35 → -1.67) Inaccuracy. d5 was best. } (7... d5 8. exd5) 8. Nd5?? { (-1.67 → Mate in 1) Checkmate is now unavoidable. Bd3 was best. } (8. Bd3 Bd7) 8... Nxd5? { (Mate in 1 → -8.93) Lost forced checkmate sequence. Nxc2# was best. } (8... Nxc2#) 9. exd5? { (-8.93 → Mate in 1) Checkmate is now unavoidable. Qxd4 was best. } (9. Qxd4 exd4) 9... Nxc2# { Black wins by checkmate. } 0-1