Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/SXqEkOTG"]
[Date "2025.11.25"]
[White "Jett1"]
[Black "colton1"]
[Result "1-0"]
[UTCDate "2025.11.25"]
[UTCTime "21:02:35"]
[WhiteElo "1213"]
[BlackElo "1363"]
[WhiteRatingDiff "+31"]
[BlackRatingDiff "-18"]
[BlackTitle "IM🤔"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Russian Game: Three Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nc3 Nf6 3. Nf3 { C42 Russian Game: Three Knights Game } b6?? { (0.07 → 2.67) Blunder. Nc6 was best. } (3... Nc6 4. Bb5 Bd6 5. O-O O-O 6. d3 Nd4 7. Ba4 Nxf3+ 8. Qxf3 c6 9. Bb3 a5 10. Kh1) 4. Nxe5 Bb7? { (2.63 → 5.05) Mistake. Bb4 was best. } (4... Bb4 5. Nd3) 5. f3?? { (5.05 → 1.90) Blunder. Bc4 was best. } (5. Bc4) 5... Qe7?! { (1.90 → 2.94) Inaccuracy. d6 was best. } (5... d6 6. Nc4) 6. d4 d6 7. Nc4 d5 8. Ne5 dxe4? { (2.45 → 4.75) Mistake. Nbd7 was best. } (8... Nbd7 9. Nxd7 Nxd7 10. Bd3 dxe4 11. O-O Qb4 12. Bxe4 O-O-O 13. Bxb7+ Kxb7 14. Ne4 Qb5 15. c3) 9. fxe4?? { (4.75 → 2.19) Blunder. Bc4 was best. } (9. Bc4) 9... Nxe4?? { (2.19 → 5.17) Blunder. Nbd7 was best. } (9... Nbd7) 10. Bb5+ c6 11. Bd3?? { (6.06 → -1.19) Blunder. O-O was best. } (11. O-O Nxc3 12. bxc3 cxb5 13. Rxf7 Qxf7 14. Nxf7 Kxf7 15. Qh5+ Kg8 16. Ba3 g6 17. Qxb5 Bxa3) 11... Nxc3?? { (-1.19 → 1.26) Blunder. Qh4+ was best. } (11... Qh4+) 12. bxc3 Nd7 13. Bf4?? { (1.74 → -0.71) Blunder. O-O was best. } (13. O-O) 13... f6?? { (-0.71 → 1.07) Blunder. Nxe5 was best. } (13... Nxe5 14. dxe5) 14. O-O?? { (1.07 → -2.15) Blunder. Qh5+ was best. } (14. Qh5+ g6) 14... fxe5 15. dxe5 c5?? { (-2.66 → 4.15) Blunder. O-O-O was best. } (15... O-O-O 16. Qg4) 16. Qc1?? { (4.15 → -5.69) Blunder. e6 was best. } (16. e6 O-O-O 17. exd7+ Qxd7 18. Bg5 c4 19. Bf5 Bc5+ 20. Kh1 Qxf5 21. Rxf5 Rxd1+ 22. Rxd1 h6) 16... Nxe5?? { (-5.69 → 4.02) Blunder. Qe6 was best. } (16... Qe6 17. Bg3 Qd5 18. Rf2 c4 19. Be2 O-O-O 20. Qf1 Bc5 21. Rd1 Qc6 22. Bf3 Qe6 23. Rd6) 17. Bxe5 Qxe5?! { (4.89 → 7.23) Inaccuracy. c4 was best. } (17... c4 18. Bf5) 18. Re1 Qxe1+ 19. Qxe1+ Be7?! { (12.31 → Mate in 11) Checkmate is now unavoidable. Kd7 was best. } (19... Kd7 20. Bf5+) 20. Bb5+?! { (Mate in 11 → 13.00) Lost forced checkmate sequence. Qe6 was best. } (20. Qe6 Bd5 21. Bb5+ Kf8 22. Rf1+ Bf6 23. Qxd5 Rd8 24. Qxd8+ Kf7 25. Qxh8 Kg6 26. Be8+ Kg5) 20... Kd8?! { (13.00 → Mate in 7) Checkmate is now unavoidable. Kf7 was best. } (20... Kf7 21. Bc4+) 21. Qd1+?! { (Mate in 7 → 11.13) Lost forced checkmate sequence. Qe6 was best. } (21. Qe6 Kc7 22. Qxe7+ Kb8 23. Qd6+ Kc8 24. Bd7+ Kd8 25. Bc6+ Kc8 26. Qd7+ Kb8 27. Qxb7#) 21... Bd6?! { (11.13 → Mate in 5) Checkmate is now unavoidable. Kc8 was best. } (21... Kc8 22. Qg4+) 22. Qxd6+ Kc8 23. Qd7+ Kb8 24. Re1 a6 25. Bc6? { (Mate in 5 → 9.83) Lost forced checkmate sequence. Re7 was best. } (25. Re7 Ra7 26. Qc7+ Ka8 27. Be8 b5 28. Qd8+ Bc8 29. Qxc8#) 25... Bc8? { (9.83 → Mate in 3) Checkmate is now unavoidable. Bxc6 was best. } (25... Bxc6 26. Qd6+) 26. Qd5 Ra7 27. Qd6+ Rc7 28. Re7 Rd8 29. Qxc7# { White wins by checkmate. } 1-0