CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/NgNwqWlL"] [Date "2025.09.05"] [White "Jackson4"] [Black "Aurora"] [Result "0-1"] [UTCDate "2025.09.05"] [UTCTime "23:20:02"] [WhiteElo "1030"] [BlackElo "1372"] [WhiteRatingDiff "-63"] [BlackRatingDiff "+21"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Arctic Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 f6? { (0.47 → 1.67) Mistake. d5 was best. } { A04 Zukertort Opening: Arctic Defense } (1... d5 2. d4) 2. g4?? { (1.67 → -0.87) Blunder. e4 was best. } (2. e4 e6) 2... e5?! { (-0.87 → -0.21) Inaccuracy. d5 was best. } (2... d5) 3. Bh3?? { (-0.21 → -2.65) Blunder. d4 was best. } (3. d4 e4 4. Nfd2 d5 5. c4 c6 6. Nc3 h5 7. g5 Na6 8. Qb3 Nc7 9. h4 fxg5) 3... e4? { (-2.65 → -1.10) Mistake. d5 was best. } (3... d5) 4. Nd4 Nc6 5. Nxc6?! { (-1.38 → -1.94) Inaccuracy. c3 was best. } (5. c3) 5... dxc6 6. O-O?? { (-1.57 → -6.69) Blunder. Bg2 was best. } (6. Bg2) 6... Qd5?? { (-6.69 → -1.36) Blunder. h5 was best. } (6... h5 7. Bg2) 7. Nc3 Qh5?? { (-1.38 → 8.06) Blunder. Qf7 was best. } (7... Qf7 8. Bg2 Bxg4 9. d3 O-O-O 10. Nxe4 Kb8 11. b4 Ne7 12. b5 cxb5 13. Rb1 Bd7 14. a4) 8. Bg2?? { (8.06 → -1.13) Blunder. gxh5 was best. } (8. gxh5 Bxh3) 8... Qxg4 9. d4?! { (-0.75 → -1.62) Inaccuracy. Nxe4 was best. } (9. Nxe4 f5 10. Nc3 Qg6 11. d3 Be6 12. e4 O-O-O 13. e5 Ne7 14. Ne2 Qe8 15. f4 Kb8) 9... h5?! { (-1.62 → -0.89) Inaccuracy. Bf5 was best. } (9... Bf5 10. Nxe4 Bxe4 11. f3 Bxc2 12. fxg4 Bxd1 13. Rxd1 O-O-O 14. e4 c5 15. Be3 cxd4 16. Rxd4) 10. e3? { (-0.89 → -2.29) Mistake. Nxe4 was best. } (10. Nxe4 Ne7) 10... Rh6?? { (-2.29 → -0.19) Blunder. Qg6 was best. } (10... Qg6 11. Nxe4) 11. Qxg4?! { (-0.19 → -0.98) Inaccuracy. Nxe4 was best. } (11. Nxe4) 11... Bxg4?! { (-0.98 → -0.18) Inaccuracy. hxg4 was best. } (11... hxg4 12. Nxe4) 12. Bxe4?! { (-0.18 → -1.12) Inaccuracy. Nxe4 was best. } (12. Nxe4 h4) 12... Bh3 13. Rd1 f5 14. Bxf5?? { (-1.35 → -7.30) Blunder. Bf3 was best. } (14. Bf3) 14... Ne7?? { (-7.30 → 8.94) Blunder. Bxf5 was best. } (14... Bxf5 15. e4 Rg6+ 16. Kh1 Bh3 17. Rg1 Rxg1+ 18. Kxg1 Rd8 19. Ne2 Bg4 20. Bg5 Be7 21. f3) 15. Bxh3 Rg6+ 16. Kf1 Nd5 17. Nxd5 cxd5 18. Rd3 Rd8 19. Rc3 Rdd6 20. Rxc7 b5 21. Rc8+ Kf7 22. Bd2 Rg5 23. Ba5 Rdg6 24. Bd8?! { (9.53 → 5.00) Inaccuracy. Ke2 was best. } (24. Ke2 Bd6 25. Ra8 Bxh2 26. Rxa7+ Kf8 27. Ra8+ Kf7 28. Rh1 Bd6 29. Bd7 Rf6 30. Ra7 Kg8) 24... Rg1+ 25. Ke2 Bb4?! { (5.05 → 9.61) Inaccuracy. Rxa1 was best. } (25... Rxa1 26. Rc7+) 26. Rxg1 Rxg1 27. Rc7+ Kg8 28. Rxa7 Re1+ 29. Kd3 Rd1+ 30. Ke2 Rd2+ 31. Kf3 Rxc2 32. Ra4?? { (18.09 → -0.72) Blunder. Be6+ was best. } (32. Be6+) 32... Rc4?? { (-0.72 → 10.20) Blunder. bxa4 was best. } (32... bxa4 33. Be6+) 33. Be7? { (10.20 → 4.74) Mistake. Ra8 was best. } (33. Ra8 Kf7 34. Ra7+ Kg8 35. Be6+ Kh7 36. Bxd5 Rc8 37. Bh4 Kh8 38. Bg3 Rf8+ 39. Ke2 Rd8) 33... bxa4 34. Bxb4?? { (4.48 → 0.00) Blunder. Be6+ was best. } (34. Be6+ Kh7 35. Bxd5 Rxd4 36. exd4 Bxe7 37. Bc6 a3 38. bxa3 Bxa3 39. Be8 Kh6 40. Ke4 Bd6) 34... Rxb4 35. Be6+ Kh7?! { (-0.47 → 0.22) Inaccuracy. Kf8 was best. } (35... Kf8 36. Bd7 Ke7 37. a3 Rxb2 38. Bxa4 h4 39. Bc6 Kd6 40. Be8 Rb8 41. Bg6 Rb3 42. a4) 36. Bf5+ g6 37. Be6?? { (0.00 → -2.00) Blunder. Bd7 was best. } (37. Bd7 Rxb2 38. Bxa4 Rxa2 39. Bc6 Ra5 40. h4 Kg7 41. Kf4 Kf6 42. f3 Ra2 43. Bxd5 Rh2) 37... Rxb2 38. e4?? { (-1.94 → -6.92) Blunder. Bxd5 was best. } (38. Bxd5 g5 39. h3 Kg7 40. Kg3 Re2 41. Bc4 Rc2 42. Bd5 Rc3 43. Be6 Kf6 44. Bd5 Rd3) 38... Rxa2 39. exd5 Rb2 40. d6 a3?! { (-6.61 → -4.69) Inaccuracy. Kg7 was best. } (40... Kg7 41. Ke4) 41. d7?! { (-4.69 → -6.08) Inaccuracy. Kf4 was best. } (41. Kf4) 41... Rb8 42. d5?! { (-5.84 → -10.23) Inaccuracy. Kf4 was best. } (42. Kf4 Rd8) 42... a2 43. Bf5?! { (-10.52 → Mate in 10) Checkmate is now unavoidable. d8=R was best. } (43. d8=R Rxd8) 43... a1=Q?! { (Mate in 10 → -60.81) Lost forced checkmate sequence. gxf5 was best. } (43... gxf5 44. Kf4 Kg6 45. d8=Q Rxd8 46. Kf3 a1=Q 47. Kg2 Rxd5 48. h3 Qe5 49. h4 Rd2 50. Kf1) 44. d8=Q?! { (-60.81 → Mate in 8) Checkmate is now unavoidable. d8=R was best. } (44. d8=R Rxd8) 44... Rxd8 45. Be4 Qa3+?! { (Mate in 7 → -11.77) Lost forced checkmate sequence. Qd4 was best. } (45... Qd4 46. Kg3 Qxe4 47. f3 Qe3 48. Kg2 Rf8 49. f4 Rxf4 50. Kh1 Rf1+ 51. Kg2 Rg1#) 46. Kf4?! { (-11.77 → Mate in 6) Checkmate is now unavoidable. Kg2 was best. } (46. Kg2 Qd6) 46... Rf8+ 47. Bf5 Rxf5+ 48. Ke4 Qf3+ 49. Kd4 Rf4+ 50. Kc5 Qc3+ 51. Kd6 Rxf2 52. h4 Rf6+ 53. Ke7 Qe5+ 54. Kd7 Qxd5+ 55. Ke7 Rf7+ 56. Ke8 Qe6+ 57. Kd8 Rf8+ 58. Kc7 Qc4+ 59. Kd6 Rd8+ 60. Ke7 Qc7+ 61. Kf6 Kh6 62. Ke6 Qd6+ 63. Kf7 Rd7+ 64. Ke8 Qe7# { Black wins by checkmate. } 0-1