Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/XwSmJYwh"]
[Date "2025.12.26"]
[White "RoWaN"]
[Black "Ethan9"]
[Result "1-0"]
[UTCDate "2025.12.26"]
[UTCTime "21:19:53"]
[WhiteElo "1696"]
[BlackElo "1194"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-2"]
[WhiteTitle "NM🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B01"]
[Opening "Scandinavian Defense: Mieses-Kotroc Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d5?! { (0.33 → 0.96) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 Bf5 6. Bf4?! { (1.23 → 0.63) Inaccuracy. Ne5 was best. } (6. Ne5 Be6 7. h4 Nbd7 8. Qe2 c6 9. h5 Qb6 10. Rh4 Nxe5 11. dxe5 Nd5 12. Nxd5 Bxd5) 6... g6?! { (0.63 → 1.58) Inaccuracy. e6 was best. } (6... e6 7. Bd3) 7. Nb5? { (1.58 → 0.03) Mistake. Bc4 was best. } (7. Bc4 Bg7 8. O-O c6 9. Re1 a5 10. h3 O-O 11. Bb3 Na6 12. a3 Nc7 13. Na4 b5) 7... e6?? { (0.03 → 8.23) Blunder. Nd5 was best. } (7... Nd5 8. Bg5) 8. Nxc7+ Ke7 9. Nxa8 Ke8 10. Bb5+ Nbd7 11. Nc7+ Ke7 12. Bxd7 Qxd7 13. O-O h6 14. Re1 g5 15. Be5 Bg7 16. Nb5 Qxb5 17. Bxf6+ Bxf6 18. d5? { (6.10 → 3.64) Mistake. a4 was best. } (18. a4 Qxb2 19. Rb1 Qc3 20. Rxb7+ Kf8 21. Rxa7 Kg7 22. Qe2 Rd8 23. Ne5 Bxe5 24. Qxe5+ Kg6) 18... Rd8 19. Qe2?! { (3.59 → 2.49) Inaccuracy. Nd4 was best. } (19. Nd4 Qxd5) 19... Qxd5? { (2.49 → 4.32) Mistake. Qxe2 was best. } (19... Qxe2 20. Rxe2 g4 21. Ne5 Rxd5 22. Nc4 Bg6 23. c3 h5 24. Rae1 Bd3 25. Ne3 Re5 26. Rd2) 20. Rad1 Qxa2 21. Rxd8 Kxd8 22. Rd1+? { (6.05 → 3.26) Mistake. Ne5 was best. } (22. Ne5 Kc7 23. c3 h5 24. Nxf7 Bg4 25. f3 Bf5 26. Ne5 Qb3 27. Nc4 Qb5 28. Rd1 Qb3) 22... Ke7 23. Qd2? { (3.43 → 1.91) Mistake. g4 was best. } (23. g4 Bh7 24. Ne5 Bxe5 25. Qxe5 Qc4 26. f4 Qxc2 27. Qd4 Qc7 28. f5 Qb6 29. Qxb6 axb6) 23... Bxb2?? { (1.91 → Mate in 1) Checkmate is now unavoidable. Kf8 was best. } (23... Kf8 24. c3 Kg7 25. Re1 a5 26. Ne5 a4 27. Nd7 Be7 28. Qd4+ f6 29. Nb6 e5 30. Qd5) 24. Qd7+?? { (Mate in 1 → 0.79) Lost forced checkmate sequence. Qd8# was best. } (24. Qd8#) 24... Kf6 25. Qd8+?! { (1.06 → 0.18) Inaccuracy. h4 was best. } (25. h4 g4) 25... Kg6?? { (0.18 → 6.67) Blunder. Kg7 was best. } (25... Kg7 26. Qc7 Qa4 27. Ne5 Bxe5 28. Qxe5+ Kg6 29. Rc1 a5 30. Qb8 Qf4 31. Qxf4 gxf4 32. Ra1) 26. Qg8+ Kh5 27. Qxf7+ Bg6 28. g4+ Kxg4 29. Qxg6 Kxf3 30. Qh5+ Kf4 31. f3?? { (7.23 → 3.22) Blunder. Qf7+ was best. } (31. Qf7+ Ke5 32. Qxb7 Kf6 33. Qh7 Qc4 34. h3 Qh4 35. Rd3 Bd4 36. Qh8+ Kf5 37. Rxd4 Qxd4) 31... Bg7?? { (3.22 → 8.60) Blunder. Qa5 was best. } (31... Qa5 32. Kg2 Qc3 33. Qf7+ Ke5 34. Qg7+ Kf5 35. Qh7+ Ke5 36. Qxh6 Qe3 37. Kg3 Bc3 38. Qg7+) 32. Qg4+ Ke5 33. Re1+?? { (8.78 → 1.95) Blunder. Qd4+ was best. } (33. Qd4+) 33... Kf6 34. Qd4+ Kf7 35. Qd7+ Kf6 36. Rf1?? { (1.97 → 0.04) Blunder. Qd8+ was best. } (36. Qd8+ Kg6 37. Qd6 Qxc2 38. Rxe6+ Kh7 39. Re7 Qg6 40. Qd5 a5 41. Rxb7 a4 42. Kg2 a3) 36... b6?? { (0.04 → 2.30) Blunder. Qxc2 was best. } (36... Qxc2 37. Rf2 Qb3 38. Kg2 Qd5 39. Rd2 Qxd7 40. Rxd7 Bf8 41. Rxb7 a5 42. Rb8 Bb4 43. Rb5) 37. f4 Qd5?? { (2.42 → 6.93) Blunder. Qxc2 was best. } (37... Qxc2 38. fxg5+ Kg6 39. Qxe6+ Kh7 40. gxh6 Bxh6 41. Rf7+ Bg7 42. Rd7 Qc1+ 43. Kg2 Qf4 44. Qh3+) 38. fxg5+ Kxg5 39. Qxg7+ Kh4? { (7.05 → Mate in 2) Checkmate is now unavoidable. Kh5 was best. } (39... Kh5 40. Qf7+) 40. Qg3+? { (Mate in 2 → 7.61) Lost forced checkmate sequence. Rf4+ was best. } (40. Rf4+ Kh3 41. Qg3#) 40... Kh5 41. Qh3+ Kg5 42. Qg3+ Kh5 43. Qf3+ Qxf3 44. Rxf3 Kg4 45. Rf6 e5 46. Rxh6 e4 47. Re6 Kf3 48. Kf1 e3 49. Ke1 e2 50. Rxe2 a5 51. h4 a4 52. h5 a3 53. c4 Kf4 54. h6 Kf5 55. h7 Kf4 56. h8=Q Kf3 57. Qf8+ Kg3 58. Kf1 a2 59. Rg2+ Kh3 60. Qh8# { White wins by checkmate. } 1-0