Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/N8NRZaFR"]
[Date "2026.02.10"]
[White "Henry5"]
[Black "Cohen"]
[Result "0-1"]
[UTCDate "2026.02.10"]
[UTCTime "00:44:18"]
[WhiteElo "783"]
[BlackElo "1293"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+16"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C68"]
[Opening "Ruy Lopez: Exchange Variation, Lutikov Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6?! { (0.72 → 0.14) Inaccuracy. Ba4 was best. } (4. Ba4) 4... bxc6?! { (0.14 → 0.93) Inaccuracy. dxc6 was best. } { C68 Ruy Lopez: Exchange Variation, Lutikov Variation } (4... dxc6 5. O-O Qf6 6. d4 exd4 7. Bg5 Qd6 8. Nxd4 Bd7 9. Bh4 c5 10. Nf5 Qxd1 11. Rxd1) 5. Nxe5?! { (0.93 → 0.38) Inaccuracy. Nc3 was best. } (5. Nc3) 5... d6? { (0.38 → 1.82) Mistake. Qe7 was best. } (5... Qe7 6. d4) 6. O-O?? { (1.82 → -6.41) Blunder. Nf3 was best. } (6. Nf3 Ne7) 6... dxe5 7. Qh5 Nf6? { (-6.72 → -3.89) Mistake. Bd6 was best. } (7... Bd6 8. d3 Nf6 9. Qh4 h6 10. Kh1 Be6 11. f3 Nd7 12. Qf2 O-O 13. Nc3 a5 14. Be3) 8. Qxe5+ Be6 9. Qc5?? { (-3.66 → -13.61) Blunder. Qc3 was best. } (9. Qc3 c5) 9... Nxe4?? { (-13.61 → 3.95) Blunder. Bxc5 was best. } (9... Bxc5 10. d3) 10. Qxc6+ Bd7 11. Qxa8?? { (4.48 → -8.96) Blunder. Qxe4+ was best. } (11. Qxe4+) 11... Qxa8 12. Re1 Bd6 13. Rxe4+ Qxe4 14. d3?! { (-14.62 → Mate in 1) Checkmate is now unavoidable. Kf1 was best. } (14. Kf1 Qxc2) 14... Qg4?! { (Mate in 1 → -13.32) Lost forced checkmate sequence. Qe1# was best. } (14... Qe1#) 15. h3?! { (-13.32 → Mate in 1) Checkmate is now unavoidable. Nd2 was best. } (15. Nd2 Bc6) 15... Qg6?! { (Mate in 1 → -10.84) Lost forced checkmate sequence. Qd1# was best. } (15... Qd1#) 16. Bf4 Bc6 17. Bxd6?! { (-13.56 → Mate in 1) Checkmate is now unavoidable. g4 was best. } (17. g4 Bxf4) 17... Qxg2# { Black wins by checkmate. } 0-1