CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/b1SE4RVo"] [Date "2026.08.10"] [White "Andrew8"] [Black "Sadie"] [Result "1-0"] [UTCDate "2026.08.10"] [UTCTime "23:15:19"] [WhiteElo "1301"] [BlackElo "1386"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-12"] [WhiteTitle "NM"] [BlackTitle "🫪"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nc6 3. Nc3 e6 4. Nb5 Bb4+ 5. c3 Bd6 6. Bxd6?! { (0.67 → -0.27) Inaccuracy. Nxd6+ was best. } (6. Nxd6+ cxd6 7. Nf3 Nf6 8. h3 O-O 9. e3 Re8 10. Be2 e5 11. Bh2 Bf5 12. a4 Rc8) 6... cxd6 7. Qd3?! { (-0.29 → -0.87) Inaccuracy. e4 was best. } (7. e4 Nge7 8. exd5 Nxd5 9. Bc4 Nce7 10. a4 a6 11. Na3 h6 12. Nf3 O-O 13. O-O Bd7) 7... a6 8. Qg3?? { (-0.84 → -7.01) Blunder. Na3 was best. } (8. Na3 e5 9. e3 Nf6 10. Qd2 Rb8 11. Bd3 O-O 12. Ne2 b5 13. O-O b4 14. Nb1 a5) 8... axb5 9. Qxg7 Qf6 10. Qxf6 Nxf6 11. O-O-O Ne4 12. Nh3 e5 13. dxe5 dxe5 14. Rxd5 Bxh3 15. gxh3 Nxf2?! { (-8.28 → -5.43) Inaccuracy. Rg8 was best. } (15... Rg8 16. f4 Nf2 17. e3 Nxh1 18. Bxb5 Rg1+ 19. Kc2 Rg2+ 20. Kb3 Kf8 21. a4 Nf2 22. Rd2) 16. Rg1 Rd8?! { (-5.87 → -4.51) Inaccuracy. Ne4 was best. } (16... Ne4 17. e3 Rd8 18. Rxb5 Nd6 19. Rc5 Ra8 20. Kb1 Ra5 21. Rxa5 Nxa5 22. a4 Ke7 23. Be2) 17. Rxb5 Rd1+? { (-4.60 → -2.30) Mistake. Rd7 was best. } (17... Rd7) 18. Kc2?! { (-2.30 → -3.46) Inaccuracy. Kc2 was best. } (18. Kc2 h5 19. Rxb7 Kf8 20. Rc7 Ne7 21. Rg5 f6 22. Rg1 Rd8 23. e4 Nxe4 24. Bc4 Nd6) 18... Nd8?? { (-3.46 → 2.87) Blunder. Ke7 was best. } (18... Ke7 19. Rxb7+) 19. Rxe5+ Ne6 20. Rg2?? { (2.96 → -6.46) Blunder. Rf5 was best. } (20. Rf5) 20... Rxf1 21. Ra5 b6 22. Ra6 Ke7 23. Rxb6 Rd8 24. Rb7+ Kf6 25. e3 Nxh3 26. Rg3 Rf2+ 27. Kb3 Nc5+ 28. Kc4 Nxb7 29. Rxh3 Rxb2 30. Rh6+?! { (-10.81 → Mate in 5) Checkmate is now unavoidable. Rh5 was best. } (30. Rh5 Nd6+) 30... Kg5? { (Mate in 5 → -9.14) Lost forced checkmate sequence. Ke5 was best. } (30... Ke5 31. Rh5+ f5 32. Rxf5+ Kxf5 33. a4 Ke4 34. h3 Rc8#) 31. Rxh7 Kg6 32. Rh3?! { (-11.64 → Mate in 7) Checkmate is now unavoidable. Rh4 was best. } (32. Rh4 Kf5) 32... Na5+? { (Mate in 7 → -8.76) Lost forced checkmate sequence. Kf5 was best. } (32... Kf5 33. Rh5+ Ke4 34. Rh4+ Ke5 35. Rh5+ f5 36. Rxf5+ Kxf5 37. a4 Ke4 38. a5 Rc8#) 33. Kc5 Rc8+ 34. Kd5? { (-8.27 → Mate in 14) Checkmate is now unavoidable. Kd4 was best. } (34. Kd4 Nc4) 34... Rd2+? { (Mate in 14 → -7.15) Lost forced checkmate sequence. Rc4 was best. } (34... Rc4) 35. Ke5 Re8+ 36. Kf4 Rf2+ 37. Kg4 Re4+ 38. Kg3 Rxa2 39. Kf3 Kf5 40. Rh5+ Ke6?! { (-6.91 → -4.56) Inaccuracy. Kg6 was best. } (40... Kg6 41. Rh8 Re5 42. Rh4 Kf6 43. Rh6+ Kg5 44. Rh8 Nc4 45. e4 Kg6 46. Rh4 Kf6 47. Rf4+) 41. Rh6+?! { (-4.56 → -7.00) Inaccuracy. Kxe4 was best. } (41. Kxe4 Ra4+) 41... f6?! { (-7.00 → -4.63) Inaccuracy. Kd5 was best. } (41... Kd5) 42. Kxe4 Ra4+ 43. Kd3 Kf5?! { (-4.72 → -3.04) Inaccuracy. Nc4 was best. } (43... Nc4 44. Rh3 Ne5+ 45. Kc2 Re4 46. Kb3 f5 47. Kc2 Ng4 48. Kd2 Ra4 49. Ke2 Ra2+ 50. Kf3) 44. Rh5+ Kg6 45. Rh3 f5 46. Rg3+ Kf6 47. h4 Ke5?? { (-4.77 → -2.23) Blunder. Rxh4 was best. } (47... Rxh4 48. Rg8) 48. h5? { (-2.23 → -3.79) Mistake. Rh3 was best. } (48. Rh3 Nb3 49. h5 Nc5+ 50. Ke2 Ra2+ 51. Ke1 Ra7 52. h6 Rh7 53. c4 Kf6 54. Ke2 Kg6) 48... Nc4? { (-3.79 → -2.20) Mistake. Rh4 was best. } (48... Rh4 49. Rg8) 49. h6 Nb2+?? { (-2.31 → 0.00) Blunder. Kf6 was best. } (49... Kf6 50. Rh3 Ne5+ 51. Kd2 Ra2+ 52. Ke1 Ra8 53. Kf2 Nf7 54. Rh1 Ng5 55. Ke2 Kg6 56. c4) 50. Kc2 Nc4?! { (0.00 → 0.53) Inaccuracy. Rh4 was best. } (50... Rh4 51. Kxb2 Rxh6 52. c4 Ke4 53. Kc3 Rh8 54. c5 Kd5 55. Rg5 Kxc5 56. Rxf5+ Kc6 57. e4) 51. h7?! { (0.53 → 0.00) Inaccuracy. Kb3 was best. } (51. Kb3 Ra6 52. Kxc4 Rxh6 53. Rg8 Rh1 54. Re8+ Kd6 55. Kd3 Ra1 56. c4 Rd1+ 57. Kc2 Rh1) 51... Ra8?? { (0.00 → 6.00) Blunder. Na3+ was best. } (51... Na3+ 52. Kb3 Rh4 53. Kxa3 Rxh7 54. c4 Rb7 55. Ka4 Ke4 56. Ka5 Rb8 57. Rg5 Rf8 58. Rg3) 52. Rg8 Nxe3+ 53. Kd3 Rxg8 54. hxg8=Q f4 55. Qg5+ Nf5 56. Qg1 Nd6 57. Qe1+ Ne4? { (8.99 → Mate in 12) Checkmate is now unavoidable. Kf6 was best. } (57... Kf6 58. Qf1 Kf5 59. Qh3+ Ke5 60. Qf3 Ke6 61. Qxf4 Kd7 62. Kd4 Kc6 63. Qf3+ Kc7 64. Kc5) 58. Qxe4+ Kf6 59. Qxf4+ Ke6 60. c4 { Black resigns. } 1-0