CohenChessClub.com

Shop Cohen Coins
 

Puzzles (3 cohencoins award for each match):

Puzzle xoz4A: 737

Puzzle aVEN9: 809

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/FMxLrpa3"] [Date "2026.05.17"] [White "Rishi"] [Black "Grayson"] [Result "1-0"] [UTCDate "2026.05.17"] [UTCTime "17:15:54"] [WhiteElo "1378"] [BlackElo "1271"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Lasker-Dunne Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. g3 { B20 Sicilian Defense: Lasker-Dunne Attack } e5 3. Bg2 g6 4. Nf3 Bg7 5. O-O Ne7 6. Nc3 O-O 7. Nd5?! { (-0.03 → -0.59) Inaccuracy. d3 was best. } (7. d3 d6) 7... Nxd5 8. exd5 e4? { (-0.78 → 0.46) Mistake. d6 was best. } (8... d6) 9. Nh4 d6 10. Bxe4 Na6? { (-0.06 → 0.97) Mistake. b5 was best. } (10... b5 11. Bg2 Nd7 12. Nf3 Nb6 13. d4 Re8 14. Re1 Bb7 15. Rxe8+ Qxe8 16. dxc5 dxc5 17. d6) 11. d3 Nb4?! { (0.97 → 1.90) Inaccuracy. b5 was best. } (11... b5 12. Ng2) 12. Qd2?! { (1.90 → 1.24) Inaccuracy. c3 was best. } (12. c3 Na6 13. a4 Nb8 14. Re1 Nd7 15. Bg2 Ne5 16. h3 Re8 17. d4 cxd4 18. cxd4 Nc4) 12... Na6 13. Rb1 Bf5?? { (0.75 → 7.16) Blunder. f5 was best. } (13... f5 14. Bf3) 14. Bxf5 gxf5 15. Nxf5 Qf6 16. Nxg7 Qxg7 17. Qg5? { (7.00 → 3.59) Mistake. a3 was best. } (17. a3) 17... h6? { (3.59 → 7.72) Mistake. Nb4 was best. } (17... Nb4) 18. Qxg7+ Kxg7 19. Bf4 Nb4 20. Bxd6 Rfd8 21. Bxc5 Nxd5 22. Rbe1 Nf6 23. c3 Nd5 24. Bd4+ Kf8 25. Bc5+ Kg7 26. Re4 b6 27. Rg4+ Kh7 28. Bd4 Ne3 29. Rg7+ Kh8 30. Rxf7+ Kg8 31. Rg7+ Kf8 32. Re1 Nc2 33. Re4?? { (9.05 → 3.70) Blunder. Ree7 was best. } (33. Ree7 Nxd4) 33... Nxd4 34. cxd4?? { (4.03 → -5.89) Blunder. Rb7 was best. } (34. Rb7 Nf3+) 34... Kxg7 35. Re7+ Kf8 36. Rh7 Rxd4?? { (-5.85 → 7.48) Blunder. Kg8 was best. } (36... Kg8 37. Rxh6 Rxd4 38. Kg2 Rf8 39. Rg6+ Kh8 40. Rh6+ Kg7 41. Re6 Rf7 42. Re4 Rxd3 43. g4) 37. Rxh6?? { (7.48 → -6.21) Blunder. Rh8+ was best. } (37. Rh8+) 37... Rxd3?? { (-6.21 → 8.36) Blunder. Kg7 was best. } (37... Kg7 38. Re6) 38. Rf6+?? { (8.36 → -5.60) Blunder. Rh8+ was best. } (38. Rh8+ Kf7 39. Rxa8 a5 40. Ra6 Rd2 41. Rxb6 a4 42. a3 Rd3 43. h4 Rb3 44. Rxb3 axb3) 38... Ke7 39. Rf4 Rd2 40. Rb4 Rxb2?? { (-6.05 → 5.86) Blunder. Rf8 was best. } (40... Rf8) 41. Rxb2 Rd8 42. g4 Rg8 43. Rb4 a5 44. Ra4? { (6.45 → 3.51) Mistake. Re4+ was best. } (44. Re4+ Kd6 45. h4 b5 46. Kg2 Kd5 47. f3 b4 48. h5 Kd6 49. Re1 a4 50. h6 a3) 44... Ra8?! { (3.51 → 5.25) Inaccuracy. b5 was best. } (44... b5 45. Re4+ Kf6 46. h4 b4 47. Rf4+ Ke5 48. Rf5+ Kd4 49. g5 Ra8 50. Rb5 Kc4 51. Rb7) 45. g5?! { (5.25 → 4.00) Inaccuracy. Re4+ was best. } (45. Re4+ Kf6) 45... Kf7? { (4.00 → 6.97) Mistake. b5 was best. } (45... b5) 46. f4?! { (6.97 → 4.53) Inaccuracy. Rf4+ was best. } (46. Rf4+ Kg6 47. h4 b5 48. Kg2 Ra6 49. Kh3 b4 50. Kg4 Rb6 51. h5+ Kg7 52. h6+ Kg8) 46... Kg6?! { (4.53 → 6.15) Inaccuracy. b5 was best. } (46... b5 47. Rd4 b4 48. Kf2 Kg8 49. Ke3 Rb8 50. Kd3 a4 51. Kc2 Kh7 52. f5 Rb5 53. g6+) 47. Kg2 Kf5 48. h4 Rh8 49. Kg3 Ra8 50. h5 b5 51. Rd4 a4 52. h6 a3 53. Rd3 b4 54. Rb3 Kg6 55. Kg4 Rb8 56. f5+ Kf7 57. g6+ Kf6?! { (12.54 → Mate in 8) Checkmate is now unavoidable. Ke7 was best. } (57... Ke7 58. Kg5) 58. h7?! { (Mate in 8 → 12.46) Lost forced checkmate sequence. Re3 was best. } (58. Re3 Rb6 59. h7 Rb8 60. Re6+ Kg7 61. Kg5 Rf8 62. Re7+ Rf7 63. f6+ Kh8 64. Re8+ Rf8) 58... Kg7?! { (12.46 → Mate in 6) Checkmate is now unavoidable. Ke7 was best. } (58... Ke7 59. Kg5) 59. Kg5 Kh8 60. Kh6 Rb7 61. f6 Rb6 62. f7?? { (Mate in 1 → 0.00) Lost forced checkmate sequence. g7# was best. } (62. g7#) 62... Rb8?? { (0.00 → Mate in 1) Checkmate is now unavoidable. Rxg6+ was best. } (62... Rxg6+ 63. Kh5 Rf6 64. Rxb4 Rxf7 65. Kg6 Rg7+ 66. Kh6 Rg6+ 67. Kxg6) 63. g7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting