Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/kms8VJwF"]
[Date "2025.06.25"]
[White "xavi"]
[Black "Wali"]
[Result "0-1"]
[UTCDate "2025.06.25"]
[UTCTime "20:03:54"]
[WhiteElo "1710"]
[BlackElo "1676"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+9"]
[WhiteTitle "GM🥉"]
[BlackTitle "GM🏆"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A07"]
[Opening "King's Indian Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 d5 2. g3 { A07 King's Indian Attack } Nc6 3. Bg2?! { (0.44 → -0.20) Inaccuracy. d4 was best. } (3. d4 Nf6) 3... e5 4. O-O Nf6 5. d3 Bf5 6. Nc3 Bc5? { (-0.15 → 1.08) Mistake. h6 was best. } (6... h6 7. a3 a5 8. Nb5 Be7 9. b3 O-O 10. Bb2 e4 11. Nd2 a4 12. bxa4 Rxa4 13. Nc3) 7. Bg5 O-O? { (0.58 → 1.73) Mistake. Be7 was best. } (7... Be7 8. Bxf6) 8. Re1?? { (1.73 → -0.35) Blunder. Bxf6 was best. } (8. Bxf6) 8... h6?? { (-0.35 → 1.76) Blunder. d4 was best. } (8... d4 9. Na4 Bd6 10. Nd2 Qd7 11. c4 Ng4 12. c5 Be7 13. Bxe7 Qxe7 14. a3 Be6 15. h3) 9. Bd2?? { (1.76 → -2.50) Blunder. Bxf6 was best. } (9. Bxf6 Qxf6 10. Nxd5 Qd8 11. Nd2 Be6 12. c4 a5 13. e3 Nb4 14. Nxb4 Bxb4 15. a3 Bxd2) 9... Qe7?? { (-2.50 → 0.58) Blunder. e4 was best. } (9... e4 10. dxe4 dxe4 11. Nh4 Bh7 12. Bh3 Qe7 13. Qc1 Rad8 14. Ng2 Rfe8 15. Be3 Bb4 16. Bd2) 10. e4? { (0.58 → -0.86) Mistake. Nxd5 was best. } (10. Nxd5) 10... dxe4 11. dxe4 Bg6?! { (-0.92 → -0.04) Inaccuracy. Be6 was best. } (11... Be6 12. Nd5 Nxd5 13. exd5 Bxd5 14. Nxe5 Nxe5 15. Bxd5 Rad8 16. c4 Qf6 17. Qe2 Rfe8 18. Bf4) 12. Nh4?! { (-0.04 → -0.71) Inaccuracy. Nd5 was best. } (12. Nd5 Qd6 13. Nh4 Bh7 14. c4 Rfd8 15. Bc3 Nd4 16. b4 Nxd5 17. cxd5 Bxb4 18. Bxb4 Qxb4) 12... Nd4? { (-0.71 → 0.55) Mistake. Bh7 was best. } (12... Bh7) 13. Nxg6 fxg6 14. Nd5 Nxd5 15. exd5 Qf6 16. Rf1 Rad8 17. c4?! { (0.84 → 0.26) Inaccuracy. b4 was best. } (17. b4 Be7) 17... c6 18. dxc6 bxc6 19. b3?! { (-0.07 → -1.06) Inaccuracy. Be3 was best. } (19. Be3 Qf5) 19... Rfe8? { (-1.06 → 0.09) Mistake. e4 was best. } (19... e4 20. b4 Nf3+ 21. Bxf3 exf3 22. bxc5 Qb2 23. Qb3 Rxd2 24. Qxb2 Rxb2 25. h3 a5 26. a3) 20. Bc3?! { (0.09 → -0.79) Inaccuracy. Be4 was best. } (20. Be4 Rf8 21. Kg2 Nf5 22. Qe2 Nd4 23. Qg4 Nxb3 24. Bb4 a5 25. axb3 Bxb4 26. Qxg6 Qxg6) 20... Nxb3?? { (-0.79 → 6.96) Blunder. e4 was best. } (20... e4 21. Kh1) 21. Qxb3 Rd3 22. Qc2 e4 23. Bxe4?? { (11.95 → -0.15) Blunder. Bxf6 was best. } (23. Bxf6 gxf6 24. Bxe4 Rxe4 25. Qxd3 f5 26. Qd7 Be7 27. Qxc6 Kf7 28. Rad1 Re6 29. Qd5 Kf6) 23... Qxc3?? { (-0.15 → 7.23) Blunder. Rxc3 was best. } (23... Rxc3 24. Qe2) 24. Bxd3 Qf6 25. Rfe1 Rf8 26. Bxg6 Bxf2+ 27. Kh1?? { (7.46 → Mate in 1) Checkmate is now unavoidable. Kg2 was best. } (27. Kg2 Bxe1 28. Rxe1 a5 29. Kh3 Kh8 30. Qe4 Qf2 31. Qe2 Qxe1 32. Qxe1 Rg8 33. Qe4 Rb8) 27... Qf3# { Black wins by checkmate. } 0-1