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Puzzles (3 cohencoins award for each match):

Puzzle AOY1C: 635

GM🏆 Harry2 (1641) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ByvHmFSA"] [Date "2025.07.22"] [White "Harry2"] [Black "Edward3"] [Result "1-0"] [UTCDate "2025.07.22"] [UTCTime "14:25:09"] [WhiteElo "1641"] [BlackElo "1179"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-7"] [WhiteTitle "GM🏆"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. Ng5?? { (0.33 → -2.19) Blunder. d3 was best. } (3. d3 e6 4. Be2 c5 5. O-O Nc6 6. c3 Nf6 7. Re1 Be7 8. Na3 e5 9. exd5 Nxd5) 3... dxe4?? { (-2.19 → 0.24) Blunder. h6 was best. } (3... h6 4. Nh3 dxe4 5. Nc3 Nf6 6. Nf4 Nbd7 7. d4 exd3 8. Bxd3 e5 9. Qe2 Bd6 10. Nh5) 4. d3?! { (0.24 → -0.50) Inaccuracy. Bc4 was best. } (4. Bc4 e6 5. Nxe4 c5 6. Nbc3 Be7 7. d3 Nf6 8. Nxf6+ Bxf6 9. Ne4 O-O 10. c3 Be7) 4... exd3 5. Bxd3 h6?? { (-0.70 → 8.27) Blunder. Nd7 was best. } (5... Nd7 6. Qe2) 6. Nxf7 Kxf7?? { (6.69 → Mate in 7) Checkmate is now unavoidable. Kxf7 was best. } (6... Kxf7 7. Bc4+ Ke8 8. Bf7+ Kxf7 9. Qxd8 Nd7 10. Nc3 e5 11. Be3 Be7 12. Qa5 Ngf6 13. O-O-O) 7. Bg6+?? { (Mate in 7 → 6.39) Lost forced checkmate sequence. Qh5+ was best. } (7. Qh5+ Kf6 8. Qf3+ Ke5 9. Bf4+ Ke6 10. Qe2+ Kd7 11. Bf5+ Ke8 12. Qh5+ g6 13. Qxg6#) 7... Kxg6 8. Qd2?? { (6.10 → -9.92) Blunder. Qxd8 was best. } (8. Qxd8 Nd7) 8... Qxd2+ 9. Bxd2 Kf7 10. O-O Ke8 11. Nc3 e5 12. Rfe1 Bd6 13. Ne4 Be7 14. Rad1 Bf5 15. Ba5 Bxe4 16. Rxe4 Bf6 17. f4 b6 18. fxe5 bxa5? { (-8.06 → -4.25) Mistake. Be7 was best. } (18... Be7 19. Bc3) 19. exf6+ Kf8?? { (-4.18 → -0.10) Blunder. Kf7 was best. } (19... Kf7) 20. fxg7+ Kxg7 21. Rg4+?? { (-0.01 → -5.65) Blunder. Rd8 was best. } (21. Rd8) 21... Kf8?? { (-5.65 → -0.45) Blunder. Kf7 was best. } (21... Kf7) 22. Rf1+?? { (-0.45 → -5.86) Blunder. Rd8+ was best. } (22. Rd8+ Kf7 23. Rf4+ Kg6 24. Rg4+ Kh7 25. Re4 h5 26. Ree8 h4 27. Rc8 Kg7 28. Rc7+ Kg6) 22... Ke8 23. Re4+ Kd8?? { (-6.31 → -0.34) Blunder. Ne7 was best. } (23... Ne7) 24. Rd1+?? { (-0.34 → -6.86) Blunder. Rf8+ was best. } (24. Rf8+ Kc7 25. Ree8 a4 26. Rf7+ Kb6 27. a3 a5 28. h4 Ka6 29. Rff8 Nf6 30. Rxh8 Nxe8) 24... Kc8?? { (-6.86 → -0.25) Blunder. Nd7 was best. } (24... Nd7 25. Re5 Kc7 26. Rxa5 Ngf6 27. b4 Rhb8 28. a3 Nd5 29. Raxd5 cxd5 30. Rxd5 Re8 31. h3) 25. Rf4?? { (-0.25 → -6.75) Blunder. Re8+ was best. } (25. Re8+ Kb7 26. Rdd8 Rh7 27. Rxg8 Rd7 28. g4 Rxd8 29. Rxd8 c5 30. Kg2 a4 31. h4 a3) 25... Nd7 26. Rfd4 Ne5? { (-7.45 → -3.87) Mistake. Ngf6 was best. } (26... Ngf6 27. Ra4) 27. Rd8+? { (-3.87 → -7.53) Mistake. Re4 was best. } (27. Re4 Nf3+ 28. gxf3 Kc7 29. Re5 Rh7 30. Rxa5 Ne7 31. Rd4 a6 32. Kf2 Rf7 33. Ra3 Rf6) 27... Kb7 28. R8d4 Nf6 29. Re1 Neg4 30. h3 Nh2? { (-6.84 → -3.74) Mistake. Rad8 was best. } (30... Rad8) 31. Kxh2 Rhe8 32. Rf1?! { (-3.70 → -4.78) Inaccuracy. Rxe8 was best. } (32. Rxe8 Rxe8 33. Rd6 Rf8 34. Re6 a4 35. g4 a3 36. Re7+ Kb6 37. bxa3 Kc5 38. Kg3 a5) 32... Re4?? { (-4.78 → -1.86) Blunder. Re6 was best. } (32... Re6 33. g4) 33. Rd3?? { (-1.86 → -5.08) Blunder. Rxe4 was best. } (33. Rxe4 Nxe4 34. Rf7+ Kb6 35. Rh7 Rb8 36. Rxh6 Kc5 37. Rh5+ Kd4 38. b3 c5 39. Rh7 Ra8) 33... Ne8?! { (-5.08 → -3.50) Inaccuracy. Nd5 was best. } (33... Nd5) 34. Rf7+ Nc7?? { (-3.49 → -1.40) Blunder. Ka6 was best. } (34... Ka6 35. Rdd7) 35. Rb3+ Kc8 36. Rc3 Nb5?? { (-1.69 → 4.19) Blunder. Re6 was best. } (36... Re6 37. Rg3) 37. Rxc6+ Kb8 38. Rxh6?! { (5.30 → 4.06) Inaccuracy. a4 was best. } (38. a4 Rxa4 39. c4 Nd4 40. Rd6 Rxc4 41. Rd8+ Rc8 42. Rxd4 a6 43. Rh7 Ra7 44. Rxh6 Rb7) 38... Re8 39. Rhh7 Nd6 40. Rd7 Nb7?? { (3.76 → 11.75) Blunder. Re6 was best. } (40... Re6 41. Rh8+ Nc8 42. h4 a4 43. h5 a5 44. h6 a3 45. bxa3 Raa6 46. h7 Rh6+ 47. Kg1) 41. Rxb7+ Kc8 42. Rxa7 Rxa7 43. Rxa7 Re2 44. Ra6 Rxc2 45. Rxa5 Rxb2 46. a4 Ra2 47. Rc5+ Kb7 48. a5 Ka6 49. Rc8 Rxa5 50. Ra8+ Kb6 51. Rxa5 Kxa5 52. g4 Kb5?! { (73.14 → Mate in 20) Checkmate is now unavoidable. Kb4 was best. } (52... Kb4 53. g5 Kc5 54. g6 Kd6 55. g7 Ke6 56. g8=Q+ Kd6 57. Qh8 Kc6 58. h4 Kb5 59. h5) 53. g5 Kc6 54. g6 Kd7 55. g7 Ke7 56. g8=Q Kf6 57. Qh7 Kg5 58. Qf7 Kh6 59. Qg8 Kh5 60. h4 Kxh4 61. Kg2 Kh5 62. Kf3 Kh4 63. Qg4# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting