Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/LWkRodP1"]
[Date "2026.04.06"]
[White "Mark"]
[Black "Luka"]
[Result "1-0"]
[UTCDate "2026.04.06"]
[UTCTime "15:30:41"]
[WhiteElo "1488"]
[BlackElo "1086"]
[WhiteRatingDiff "+2"]
[BlackRatingDiff "-6"]
[WhiteTitle "⛳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C40"]
[Opening "King's Knight Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 { C40 King's Knight Opening } Ke7?? { (0.34 → 4.25) Blunder. Nc6 was best. } (2... Nc6) 3. Nc3? { (4.25 → 2.51) Mistake. Nxe5 was best. } (3. Nxe5 Nc6 4. Qh5 Qe8 5. Bc4 Nf6 6. Qxf7+ Qxf7 7. Nxf7 d5 8. exd5 Nb4 9. Nxh8 Nxc2+) 3... Nf6? { (2.51 → 4.56) Mistake. d6 was best. } (3... d6) 4. d4 Nc6? { (3.76 → 7.49) Mistake. d6 was best. } (4... d6) 5. d5?! { (7.49 → 4.58) Inaccuracy. dxe5 was best. } (5. dxe5 Ng8) 5... d6? { (4.58 → 8.40) Mistake. Nb8 was best. } (5... Nb8 6. Nxe5) 6. dxc6 bxc6 7. Bc4 d5 8. exd5 cxd5 9. Bxd5 Nxd5 10. Nxd5+ Ke8 11. Nxe5 Bd6 12. Qf3?! { (9.87 → 5.12) Inaccuracy. Nf3 was best. } (12. Nf3 Ba6 13. c4 Kf8 14. Qc2 Qe8+ 15. Be3 Qc6 16. b3 Re8 17. O-O Qxd5 18. cxd5 Bxf1) 12... Bxe5 13. Ne3?! { (5.34 → 3.48) Inaccuracy. O-O was best. } (13. O-O Bb7 14. Nf6+ Qxf6 15. Qxb7 Rd8 16. Qxa7 Kf8 17. Re1 Kg8 18. c3 h5 19. Qc5 h4) 13... Rb8 14. c3?? { (2.94 → 0.31) Blunder. Nc4 was best. } (14. Nc4 Bf6) 14... h5?? { (0.31 → 2.20) Blunder. Qd3 was best. } (14... Qd3 15. Qc6+ Kd8 16. Qd5+ Qxd5 17. Nxd5 Bd7 18. Nb4 Bd6 19. Be3 Bxb4 20. cxb4 Rxb4 21. b3) 15. O-O?! { (2.20 → 1.60) Inaccuracy. Nc4 was best. } (15. Nc4 Bf6) 15... Qh4?! { (1.60 → 2.44) Inaccuracy. Bb7 was best. } (15... Bb7 16. Qd1 Qxd1 17. Rxd1 Rd8 18. Re1 Kd7 19. Nf5 Rhe8 20. Be3 a5 21. Bd4 Bxd4 22. Nxd4) 16. g3?! { (2.44 → 1.74) Inaccuracy. h3 was best. } (16. h3 Qf4 17. Qxf4 Bxf4 18. Re1 Be6 19. b3 Kd7 20. Nc4 Bxc1 21. Ne5+ Kc8 22. Raxc1 Rb6) 16... Qh3?! { (1.74 → 2.34) Inaccuracy. Qf6 was best. } (16... Qf6 17. Qe4) 17. Re1 g5?? { (2.27 → 9.53) Blunder. f6 was best. } (17... f6 18. Nd5) 18. Nd5 g4? { (9.14 → Mate in 8) Checkmate is now unavoidable. Qe6 was best. } (18... Qe6) 19. Rxe5+ Kf8 20. Qf4?! { (Mate in 6 → 22.53) Lost forced checkmate sequence. Qf6 was best. } (20. Qf6 Qf1+ 21. Kxf1 Ba6+ 22. Ke1 Rh7 23. Bh6+ Rxh6 24. Qxh6+ Kg8 25. Rg5#) 20... Ba6?! { (22.53 → Mate in 7) Checkmate is now unavoidable. Rb6 was best. } (20... Rb6 21. Nxb6) 21. c4?! { (Mate in 7 → 18.69) Lost forced checkmate sequence. Be3 was best. } (21. Be3 Qg2+ 22. Kxg2 Bf1+ 23. Rxf1 Rb6 24. Nf6 Rxf6 25. Qxf6 Rh7 26. Bc5+ Kg8 27. Re8#) 21... h4?! { (18.69 → Mate in 9) Checkmate is now unavoidable. Rb6 was best. } (21... Rb6 22. Be3 Rg6 23. Bc5+ Kg7 24. Bd4 Rf8 25. Rg5+ Kh7 26. Qf5 c6 27. Rxh5+ Qxh5 28. Qxh5+) 22. Re7?! { (Mate in 9 → 20.46) Lost forced checkmate sequence. Qf6 was best. } (22. Qf6 Qxh2+ 23. Kxh2 hxg3+ 24. Kxg3 Rb3+ 25. axb3 Rh3+ 26. Kg2 Rh2+ 27. Kxh2 g3+ 28. fxg3 Kg8) 22... Bb7?! { (20.46 → Mate in 1) Checkmate is now unavoidable. Rh7 was best. } (22... Rh7 23. Qxc7) 23. Qxf7# { White wins by checkmate. } 1-0