Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/kZEHc35d"]
[Date "2025.07.22"]
[White "Harry2"]
[Black "BENJAMIN4"]
[Result "1-0"]
[UTCDate "2025.07.22"]
[UTCTime "20:42:41"]
[WhiteElo "1647"]
[BlackElo "1650"]
[WhiteRatingDiff "+5"]
[BlackRatingDiff "-7"]
[WhiteTitle "GM🏆"]
[BlackTitle "🌊"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B01"]
[Opening "Scandinavian Defense: Main Line"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 { B01 Scandinavian Defense: Main Line } 4. Bc4?! { (1.13 → 0.55) Inaccuracy. Nf3 was best. } (4. Nf3 c6) 4... Nf6 5. Nf3 Bf5 6. Ng5?! { (0.70 → -0.22) Inaccuracy. d4 was best. } (6. d4 e6) 6... Bxc2?? { (-0.22 → 6.72) Blunder. e6 was best. } (6... e6) 7. Bxf7+ Kd8 8. Ne6+ Kd7 9. Qxc2 Qe5+ 10. Kd1 g6 11. Qd3+ Kc6?! { (10.84 → Mate in 4) Checkmate is now unavoidable. Qd6 was best. } (11... Qd6 12. Nc5+ Kc8 13. Qb5 Qc6 14. Be6+ Nfd7 15. Qxc6 bxc6 16. N3e4 Bg7 17. Bh3 e6 18. Nxe6) 12. Qf3+?! { (Mate in 4 → 12.13) Lost forced checkmate sequence. Nd8+ was best. } (12. Nd8+ Kb6 13. Na4+ Ka5 14. Nxb7+ Kxa4 15. Qb3#) 12... Kd6 13. Qd3+ Kc6?! { (15.28 → Mate in 4) Checkmate is now unavoidable. Nd5 was best. } (13... Nd5 14. Ne4+) 14. Nd8+ Kb6 15. Na4+ Ka5 16. b4+ Kxa4 17. Bb3+ Kxb4 18. Qc4+?! { (Mate in 4 → 10.71) Lost forced checkmate sequence. Nxb7 was best. } (18. Nxb7 Qh5+ 19. f3 Qxf3+ 20. gxf3 e5 21. a3#) 18... Ka5 19. Qa4+ Kb6 20. Qb4+ Ka6 21. Bc4+ b5 22. Qa4+ Kb6 23. Qb3?? { (9.63 → 3.18) Blunder. Rb1 was best. } (23. Rb1) 23... Nc6?? { (3.18 → 7.00) Blunder. a6 was best. } (23... a6 24. Rb1) 24. Nxc6 Kxc6 25. Qf3+?? { (8.39 → 1.58) Blunder. Re1 was best. } (25. Re1) 25... Qe4 26. Bxb5+?? { (1.52 → -2.59) Blunder. Be2 was best. } (26. Be2 Kd7 27. Qb3 c6 28. Bf3 Qc4 29. Qxc4 bxc4 30. Rb1 Nd5 31. Re1 Bh6 32. Bxd5 cxd5) 26... Kxb5 27. a4+? { (-2.38 → -4.45) Mistake. Qb3+ was best. } (27. Qb3+ Qb4) 27... Kc6 28. Qc3+ Kd7 29. Re1 Qg4+? { (-5.41 → -3.26) Mistake. Qc6 was best. } (29... Qc6) 30. f3 Qxg2?? { (-3.25 → -1.19) Blunder. Qf4 was best. } (30... Qf4) 31. Qd4+? { (-1.19 → -2.58) Mistake. Bb2 was best. } (31. Bb2 Qxh2 32. Qc4 Qd6 33. Ra3 Rb8 34. Rd3 Rxb2 35. Rxd6+ cxd6 36. Re3 Rb6 37. Qe6+ Kd8) 31... Ke8?? { (-2.58 → 6.91) Blunder. Kc8 was best. } (31... Kc8 32. Ra3) 32. Qxf6?! { (6.91 → 5.21) Inaccuracy. Qxf6 was best. } (32. Qxf6 Rb8) 32... Qxh2?! { (5.21 → 10.45) Inaccuracy. Rd8 was best. } (32... Rd8 33. Ra3) 33. Qc6+ Kf7 34. Qxa8 Bg7 35. Qd5+ Kf6?! { (15.87 → Mate in 4) Checkmate is now unavoidable. Ke8 was best. } (35... Ke8 36. Rb1 Bb2 37. Rxb2 Qd6 38. Qxd6 cxd6 39. Rb8+ Kd7 40. Rxh8 Kc6 41. Rxe7 a5 42. Rhxh7) 36. Qe6+ Kg5 37. d4+ Kh4 38. Qg4# { White wins by checkmate. } 1-0