Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/pEwrUPiL"]
[Date "2026.01.28"]
[White "Gabriel1"]
[Black "xavi"]
[Result "0-1"]
[UTCDate "2026.01.28"]
[UTCTime "21:08:06"]
[WhiteElo "1276"]
[BlackElo "1760"]
[WhiteRatingDiff "-2"]
[BlackRatingDiff "+1"]
[WhiteTitle "🏈"]
[BlackTitle "GM🥉"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Russian Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nf6 { C42 Russian Game } 3. d3?! { (0.75 → 0.05) Inaccuracy. Nxe5 was best. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nf6 9. Nc3 O-O) 3... Nc6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 Bb4 7. a3 Ba5 8. b4?? { (-0.48 → -3.74) Blunder. Be2 was best. } (8. Be2) 8... Bb6?? { (-3.74 → 0.23) Blunder. Nxb4 was best. } (8... Nxb4 9. Ke2 Nc6 10. Nd5 Qd8 11. g3 d6 12. Bg2 O-O 13. c3 Ne7 14. Qa4 Nxd5 15. Qxa5) 9. b5?? { (0.23 → -4.75) Blunder. Nd5 was best. } (9. Nd5 Qd8) 9... Ne7? { (-4.75 → -2.58) Mistake. Ba5 was best. } (9... Ba5) 10. Nd5 Nxd5 11. exd5 d6 12. c4? { (-2.67 → -5.15) Mistake. Be2 was best. } (12. Be2 Ba5+ 13. Nd2 Qg5 14. Bf3 f5 15. c3 Bxc3 16. h4 Qe7 17. Rc1 Bd4 18. Qc2 O-O) 12... Ba5+?! { (-5.15 → -3.62) Inaccuracy. e4 was best. } (12... e4) 13. Nd2 Qf4?! { (-3.78 → -2.47) Inaccuracy. Qg6 was best. } (13... Qg6 14. Qf3 a6 15. bxa6 Rxa6 16. Be2 Qg5 17. Ra2 O-O 18. h4 Qe7 19. Qg3 f5 20. O-O) 14. g3? { (-2.47 → -4.09) Mistake. Ra2 was best. } (14. Ra2 Qg5 15. h4 Qg6 16. g3 O-O 17. Be2 f5 18. O-O Bxd2 19. Bh5 Qf6 20. Rxd2 f4) 14... Qd4 15. Rc1?! { (-4.46 → -6.62) Inaccuracy. Ra2 was best. } (15. Ra2 O-O) 15... Bb6? { (-6.62 → -3.86) Mistake. O-O was best. } (15... O-O) 16. Nf3?? { (-3.86 → Mate in 1) Checkmate is now unavoidable. Qe2 was best. } (16. Qe2 Ba5) 16... Qxf2# { Black wins by checkmate. } 0-1