CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/stFoXnUZ"] [Date "2025.04.02"] [White "SamjD"] [Black "Junhee"] [Result "1-0"] [UTCDate "2025.04.02"] [UTCTime "23:36:00"] [WhiteElo "1592"] [BlackElo "1713"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-10"] [WhiteTitle "IM🗿"] [BlackTitle "GM⏳"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 Nf6 3. Nf3 { D02 Queen's Pawn Game: London System } Nc6 4. e3 Bf5 5. Nbd2 e6 6. g3? { (0.45 → -0.68) Mistake. Bb5 was best. } (6. Bb5 Bd6) 6... Bd6?! { (-0.68 → 0.10) Inaccuracy. Nb4 was best. } (6... Nb4 7. Bb5+) 7. Bg2?? { (0.10 → -2.31) Blunder. Nh4 was best. } (7. Nh4) 7... Kd7?? { (-2.31 → 1.24) Blunder. Nb4 was best. } (7... Nb4 8. Rc1 Nxa2 9. Ra1 Nb4 10. Rc1 h6 11. h4 Bh7 12. Ne5 a5 13. Ndf3 a4 14. Qe2) 8. Bxd6?! { (1.24 → 0.45) Inaccuracy. c4 was best. } (8. c4) 8... cxd6 9. Qe2?? { (0.06 → -2.11) Blunder. c4 was best. } (9. c4 Qb6) 9... Ne4?? { (-2.11 → 1.31) Blunder. Bxc2 was best. } (9... Bxc2) 10. Nxe4? { (1.31 → 0.27) Mistake. Nh4 was best. } (10. Nh4 Qa5 11. Nxf5 exf5 12. c3 h5 13. Nxe4 fxe4 14. b4 Qc7 15. Qb5 f5 16. Qxd5 Ne7) 10... Bxe4 11. O-O-O?? { (0.41 → -2.89) Blunder. O-O was best. } (11. O-O) 11... Ke7?? { (-2.89 → 0.05) Blunder. Qa5 was best. } (11... Qa5 12. a3 b5 13. Ne1 b4 14. Bxe4 bxa3 15. Bxd5 axb2+ 16. Kxb2 exd5 17. Qg4+ Kc7 18. Rd3) 12. h4?? { (0.05 → -3.49) Blunder. Ne1 was best. } (12. Ne1) 12... f6?? { (-3.49 → 1.48) Blunder. Qa5 was best. } (12... Qa5 13. a3 b5 14. Ne1 b4 15. Bxe4 bxa3 16. bxa3 dxe4 17. Qg4 Rhb8 18. Qg5+ Ke8 19. Qxg7) 13. Rh2?? { (1.48 → -0.75) Blunder. Ne1 was best. } (13. Ne1 Qa5 14. a3 b5 15. Qg4 Bg6 16. e4 b4 17. exd5 exd5 18. a4 Qxa4 19. Bxd5 Qa1+) 13... Bxf3?? { (-0.75 → 1.79) Blunder. Nb4 was best. } (13... Nb4 14. Ne1 Nxa2+ 15. Kb1 Qa5 16. Bxe4 dxe4 17. Qg4 d5 18. Qxg7+ Kd6 19. f3 Nb4 20. Qxf6) 14. Bxf3 Qa5 15. a3 b5? { (1.51 → 3.37) Mistake. Qb6 was best. } (15... Qb6 16. c3) 16. e4 dxe4 17. Qxe4?? { (3.89 → 0.66) Blunder. Bxe4 was best. } (17. Bxe4) 17... d5 18. Qd3?? { (1.00 → -1.56) Blunder. Qe3 was best. } (18. Qe3 Rad8 19. c3 Rd6 20. Qd3 Qa4 21. Be2 Qc4 22. Qc2 Qa4 23. h5 Qxc2+ 24. Kxc2 a6) 18... b4 19. Bg4?! { (-1.29 → -1.97) Inaccuracy. Rhh1 was best. } (19. Rhh1 bxa3) 19... bxa3 20. Qxa3+ Kf7?? { (-2.35 → 0.75) Blunder. Qxa3 was best. } (20... Qxa3 21. bxa3 Rab8 22. Rhh1 f5 23. Bf3 Rb6 24. Rd3 Na5 25. Kd2 Nc4+ 26. Ke2 a5 27. Rc3) 21. Qd6 Qa1+?! { (0.55 → 1.43) Inaccuracy. f5 was best. } (21... f5 22. Qxc6 fxg4 23. h5 Qa1+ 24. Kd2 Qxb2 25. Qc7+ Kf6 26. Qe5+ Kf7 27. h6 Rhg8 28. Qf4+) 22. Kd2 Qxb2?? { (1.12 → Mate in 4) Checkmate is now unavoidable. Qa5+ was best. } (22... Qa5+) 23. Qxe6+? { (Mate in 4 → 8.36) Lost forced checkmate sequence. Bxe6+ was best. } (23. Bxe6+ Kg6 24. h5+ Kh6 25. Qf4+ g5 26. Qxf6#) 23... Kg6 24. h5+?! { (12.85 → 5.95) Inaccuracy. Bf5+ was best. } (24. Bf5+) 24... Kg5?? { (5.95 → Mate in 2) Checkmate is now unavoidable. Kh6 was best. } (24... Kh6 25. Qe3+ g5 26. hxg6+ Kxg6 27. Qh6+ Kf7 28. Bh5+ Ke7 29. Ke1 Raf8 30. Kf1 Kd7 31. Bg4+) 25. f4+?? { (Mate in 2 → 4.41) Lost forced checkmate sequence. Qe3+ was best. } (25. Qe3+ Kxg4 26. Qf4#) 25... Kh6 26. Qxc6 Rhc8? { (4.38 → 10.74) Mistake. Qxd4+ was best. } (26... Qxd4+ 27. Ke2 Rhe8+ 28. Kf1 Qe3 29. Rg2 a5 30. Qxd5 a4 31. Qf3 a3 32. Qxe3 Rxe3 33. Be2) 27. Qa4?? { (10.74 → -5.93) Blunder. Bxc8 was best. } (27. Bxc8) 27... Rc4?? { (-5.93 → 4.81) Blunder. Qc3+ was best. } (27... Qc3+ 28. Kc1 Rc4 29. Qb5 Rb4 30. Qxb4 Qxb4 31. Rd3 Rb8 32. Rh1 Qb1+ 33. Kd2 Qxh1 34. Rb3) 28. Qb3 Qxb3?! { (4.27 → 6.34) Inaccuracy. Qxd4+ was best. } (28... Qxd4+) 29. cxb3 Rxd4+ 30. Kc2 Rc8+?! { (5.72 → 13.00) Inaccuracy. Rb4 was best. } (30... Rb4 31. Rxd5 Rab8 32. Bd1 Rxb3 33. g4 g5 34. fxg5+ fxg5 35. Rhd2 a5 36. R2d4 Kg7 37. Kd2) 31. Kb2?! { (13.00 → 6.17) Inaccuracy. Bxc8 was best. } (31. Bxc8) 31... Rxd1 32. Bxd1 g6 33. hxg6+ Kxg6 34. Bg4 Re8 35. Bh5+ Kg7 36. Bxe8 h5 37. Rxh5 Kf8 38. Rxd5 Kxe8 39. Rd6 Kf7 40. Rd7+ Kg6 41. Rxa7 Kf5 42. Ra6 Kg4 43. Rxf6 Kxg3 44. b4 Kg4?! { (78.42 → Mate in 10) Checkmate is now unavoidable. Kh4 was best. } (44... Kh4 45. b5 Kg3 46. b6 Kf3 47. b7 Kg4 48. b8=Q Kf3 49. Qb4 Ke2 50. f5 Kd1 51. Qb8) 45. b5 Kh5 46. b6 Kg4 47. b7 Kh5 48. b8=Q Kg4 49. Qg8+ Kf3 50. Qd5+ Kg4 51. Qf5+ Kf3 52. Qh3+ Ke4 53. f5 Ke5 54. Re6+ Kd5 55. f6 Kd4 56. f7 Kc4 57. f8=Q Kd4 58. Qd8+ Kc4 59. Qc3+ Kb5 60. Qb8+ Ka4 61. Qa3# { White wins by checkmate. } 1-0