Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/RevaOJp9"]
[Date "2026.10.06"]
[White "Bohdan"]
[Black "Neil1"]
[Result "0-1"]
[UTCDate "2026.10.06"]
[UTCTime "20:24:31"]
[WhiteElo "1512"]
[BlackElo "1412"]
[WhiteRatingDiff "-18"]
[BlackRatingDiff "+14"]
[WhiteTitle "🐍"]
[BlackTitle "IM💩"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C55"]
[Opening "Italian Game: Two Knights Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 { C55 Italian Game: Two Knights Defense } 4. O-O?! { (0.30 → -0.42) Inaccuracy. d3 was best. } (4. d3 Bc5 5. O-O d6 6. a4 a6 7. c3 Ba7 8. h3 h6 9. Be3 Bxe3 10. fxe3 O-O) 4... Nxe4 5. d3 Nf6 6. c3? { (-0.71 → -1.80) Mistake. Nxe5 was best. } (6. Nxe5 Nxe5 7. Re1 d5 8. Rxe5+ Be7 9. Bb3 a5 10. a4 c6 11. Nd2 O-O 12. h3 Bd6) 6... Bc5? { (-1.80 → -0.62) Mistake. Be7 was best. } (6... Be7) 7. d4 exd4 8. cxd4 Bd6?? { (-0.61 → 1.52) Blunder. d5 was best. } (8... d5 9. Bb5 Bb6 10. Re1+ Be6 11. a4 a5 12. Ne5 O-O 13. Nxc6 bxc6 14. Bxc6 Rc8 15. Bf4) 9. Qe2+?! { (1.52 → 0.62) Inaccuracy. d5 was best. } (9. d5 b5 10. Bb3 Ne7 11. Bg5 Ne4 12. Bh4 O-O 13. Re1 Nc5 14. Bc2 b4 15. Nbd2 Ba6) 9... Be7 10. Re1?! { (1.08 → 0.49) Inaccuracy. d5 was best. } (10. d5 Na5) 10... O-O 11. Bg5?? { (0.76 → -1.50) Blunder. d5 was best. } (11. d5 Na5 12. Bd3 Bb4 13. Nc3 Re8 14. Qd2 b6 15. Rxe8+ Qxe8 16. Qf4 Bxc3 17. bxc3 Nb7) 11... d6? { (-1.50 → -0.12) Mistake. d5 was best. } (11... d5 12. Bb5) 12. Bxf6?? { (-0.12 → -2.24) Blunder. Nc3 was best. } (12. Nc3 Bg4 13. Rad1 h6 14. Bh4 Re8 15. h3 Bh5 16. g4 Bg6 17. d5 Nb4 18. Bb5 c6) 12... Bxf6 13. Qe4 Bg4?? { (-2.34 → 7.36) Blunder. Ne7 was best. } (13... Ne7) 14. Qxg4 Re8 15. Rxe8+ Qxe8 16. Nc3 Qe7 17. Re1 Qd8 18. d5 Ne5 19. Nxe5 dxe5 20. d6 Qxd6 21. Rd1 Qe7 22. Bd5 Rd8 23. Bxf7+?? { (7.46 → 0.47) Blunder. Bxb7 was best. } (23. Bxb7 Rxd1+) 23... Qxf7? { (0.47 → 2.07) Mistake. Kxf7 was best. } (23... Kxf7) 24. Rxd8+ Bxd8 25. Qc8 Qe7 26. Nd5?! { (2.36 → 1.35) Inaccuracy. Qxb7 was best. } (26. Qxb7 Qc5) 26... Qd6 27. Ne3? { (1.66 → 0.23) Mistake. Qxb7 was best. } (27. Qxb7) 27... Kf7?? { (0.23 → 2.00) Blunder. b5 was best. } (27... b5 28. Qa8 a6 29. g3 Kf7 30. h4 g6 31. h5 Ke8 32. Qe4 Qe6 33. hxg6 hxg6 34. Ng4) 28. Qf5+?? { (2.00 → 0.22) Blunder. Qxb7 was best. } (28. Qxb7 Bg5 29. Nf1 a6 30. Qf3+ Kg8 31. g3 g6 32. h4 Be7 33. b3 h5 34. Ne3 Kg7) 28... Bf6?! { (0.22 → 1.02) Inaccuracy. Kg8 was best. } (28... Kg8 29. Qc8) 29. Qc2? { (1.02 → -0.29) Mistake. Qxh7 was best. } (29. Qxh7 Qd2) 29... Bg5?! { (-0.29 → 0.37) Inaccuracy. Qc6 was best. } (29... Qc6) 30. Nc4?! { (0.37 → -0.37) Inaccuracy. Qf5+ was best. } (30. Qf5+ Qf6 31. Qd7+ Qe7 32. Qd5+ Qe6 33. Qxb7 Bxe3 34. Qxc7+ Kf6 35. fxe3 Qxa2 36. Qc6+ Qe6) 30... Qd5 31. Qf5+ Ke7?? { (-0.30 → 8.45) Blunder. Bf6 was best. } (31... Bf6 32. Ne3) 32. Ne3?? { (8.45 → -2.67) Blunder. Qxg5+ was best. } (32. Qxg5+ Kf7 33. Ne3 Qxa2 34. Qf5+ Ke7 35. Qxe5+ Kf8 36. Qf5+ Ke7 37. Qe4+ Qe6 38. Qxb7 Qxe3) 32... Bxe3 33. fxe3 Qd1+ 34. Kf2 Qd2+ 35. Kg3?? { (-2.56 → -7.60) Blunder. Kf3 was best. } (35. Kf3 Qxb2) 35... Qxe3+ 36. Kh4 Qh6+ 37. Kg3 Qg6+ 38. Qxg6 hxg6 39. h4 Kf6 40. Kg4 e4?! { (-7.50 → -5.04) Inaccuracy. Ke6 was best. } (40... Ke6) 41. Kf4 e3 42. Kxe3 Kf5 43. g3?! { (-5.10 → -7.35) Inaccuracy. Kf3 was best. } (43. Kf3 g5) 43... Kg4 44. Kf2 g5 45. Kg2 gxh4 46. gxh4 Kxh4 47. Kh2 g5 48. Kg2 Kg4 49. a4 a5 50. b3 b6 51. Kf2 Kh3 52. Kf3 g4+ 53. Kf2 g3+ 54. Kg1 Kg4 55. Kg2 Kh4 56. Kg1 Kh3 57. Kh1?! { (-74.13 → Mate in 6) Checkmate is now unavoidable. Kf1 was best. } (57. Kf1 g2+ 58. Kf2 c6 59. Ke3 g1=Q+ 60. Ke4 Qa1 61. Kf5 Qb1+ 62. Kf6 Qxb3 63. Kg7 Qxa4) 57... Kg4?! { (Mate in 6 → -74.40) Lost forced checkmate sequence. g2+ was best. } (57... g2+ 58. Kg1 Kg3 59. b4 axb4 60. a5 b3 61. axb6 b2 62. bxc7 b1=Q#) 58. Kg2 Kf4 59. Kf1 Kf3 60. Kg1 c6 61. Kf1 g2+ 62. Kg1 c5 63. b4 cxb4 64. Kh2 Kf2 65. Kh3 g1=Q 66. Kh4 Qg3+ { White resigns. } 0-1