Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/hYeZWYfx"]
[Date "2026.02.24"]
[White "Garyd"]
[Black "Caroline1"]
[Result "1-0"]
[UTCDate "2026.02.24"]
[UTCTime "15:39:37"]
[WhiteElo "1700"]
[BlackElo "1235"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-1"]
[WhiteTitle "GM🙌"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Chigorin Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. c3 Bd6 8. Bxd6 Qxd6 9. Bd3 O-O-O 10. Nd2 h6 11. e4? { (0.48 → -0.58) Mistake. O-O was best. } (11. O-O e5 12. Qg3 h5 13. b4 h4 14. Qh2 Qe6 15. Nb3 e4 16. Nc5 Qf5 17. Be2 g5) 11... dxe4? { (-0.58 → 0.46) Mistake. e5 was best. } (11... e5 12. exd5 Qxd5 13. Qxd5 Rxd5 14. Bc4 Rd7 15. dxe5 Nxe5 16. Be2 Re8 17. O-O-O c6 18. Nc4) 12. Nxe4 Nxe4 13. Qxe4?? { (0.87 → -1.59) Blunder. Bxe4 was best. } (13. Bxe4 e5 14. Bxc6 Qxc6 15. Qxc6 bxc6 16. dxe5 Rhe8 17. f4 f6 18. Rd1 Rd5 19. Rf1 fxe5) 13... Rhe8?? { (-1.59 → 0.23) Blunder. e5 was best. } (13... e5 14. O-O-O) 14. O-O-O e5 15. dxe5 Rxe5 16. Qf3 Qc5? { (0.23 → 1.64) Mistake. Qe6 was best. } (16... Qe6 17. Qg4 Red5 18. Qxe6+ fxe6 19. Be4 Rxd1+ 20. Rxd1 Rxd1+ 21. Kxd1 Ne7 22. Ke2 b6 23. Ke3) 17. Kb1? { (1.64 → 0.42) Mistake. Qxf7 was best. } (17. Qxf7 Kb8) 17... Rde8? { (0.42 → 2.01) Mistake. Red5 was best. } (17... Red5 18. Bc2 Rxd1+ 19. Rxd1 Rxd1+ 20. Bxd1 Qe7 21. Qg4+ Qd7 22. Kc2 Qxg4 23. Bxg4+ Kd8 24. Kd3) 18. Bc2?? { (2.01 → 0.24) Blunder. Qxf7 was best. } (18. Qxf7 g5 19. Rhf1 Kb8 20. f4 gxf4 21. Qxf4 R5e6 22. Qf2 Qe7 23. Bc4 Re3 24. Bd5 Re5) 18... Re2 19. Rhf1 R2e7?? { (0.41 → 2.72) Blunder. Qf8 was best. } (19... Qf8) 20. Bb3?? { (2.72 → 0.12) Blunder. Qg4+ was best. } (20. Qg4+) 20... Qg5 21. Bxf7? { (0.37 → -0.72) Mistake. h4 was best. } (21. h4 Qxh4 22. Bxf7 Rd8 23. Bd5 Qg5 24. Bxc6 Qg6+ 25. Kc1 Rxd1+ 26. Rxd1 bxc6 27. Rd4 a5) 21... Rf8?? { (-0.72 → 8.30) Blunder. Ne5 was best. } (21... Ne5 22. h4 Nxf3 23. hxg5 Rxf7 24. gxf3 h5 25. Rd3 Re5 26. Rfd1 b6 27. g6 Rf6 28. Rd5) 22. Be6+ Rxe6 23. Qxf8+ Nd8 24. Qf3 Qg6+ 25. Ka1 Rf6 26. Qg4+ Ne6 27. Qxg6 Rxg6 28. g3 Ng5 29. Rfe1 Nxh3? { (7.37 → Mate in 1) Checkmate is now unavoidable. b5 was best. } (29... b5) 30. Re8# { White wins by checkmate. } 1-0