Event: British Universities Chess Association Championship 2025
Site: Holiday Inn, Leicester, United Kingdom
Date: 2025-02-22
White: Jackson, Edward
WhiteTitle: CM
WhiteElo: 1941
Black: Choong, Han-sen
BlackElo: 1981
Result: 1-0
ECO: B50
Opening: Sicilian Defense: Delayed Alapin Variation, with d6
Variant: Standard
TimeControl: G: 15 min + 10 seconds added per move

1. e4 { [%eval 0.18] [%clk 0:15:15] } 1... c5 { [%eval 0.25] [%clk 0:15:18] } 2. Nf3 { [%eval 0.2] [%clk 0:15:23] } 2... d6 { [%eval 0.22] [%clk 0:15:27] } 3. c3 { [%eval 0.0] [%clk 0:15:31] } 3... Nf6 { [%eval 0.07] [%clk 0:15:17] } 4. Bd3 { [%eval -0.11] [%clk 0:15:38] } 4... Nc6 { [%eval 0.02] [%clk 0:15:02] } 5. O-O { [%eval -0.15] [%clk 0:15:44] } 5... Bg4 { [%eval -0.07] [%clk 0:13:31] } 6. h3 { [%eval -0.13] [%clk 0:15:44] } 6... Bh5 { [%eval -0.11] [%clk 0:13:38] } 7. Bc2 { [%eval -0.24] [%clk 0:14:27] } 7... e6 { [%eval -0.14] [%clk 0:12:22] } 8. d3 { [%eval -0.12] [%clk 0:13:35] } 8... Be7 { [%eval -0.08] [%clk 0:11:48] } 9. Nbd2 { [%eval -0.21] [%clk 0:13:35] } 9... g5 { [%eval -0.01] [%clk 0:08:59] } 10. g4? { [%eval -1.24] } { Mistake. Ba4 was best. } { [%clk 0:12:54] } 10... Bg6 { [%eval -1.05] [%clk 0:09:07] } 11. Nxg5 { [%eval -1.11] [%clk 0:12:32] } 11... h5 { [%eval -1.36] [%clk 0:07:41] } 12. f3 { [%eval -1.56] [%clk 0:08:58] } 12... Nd7 { [%eval -1.22] [%clk 0:06:36] } 13. f4 { [%eval -1.29] [%clk 0:08:34] } 13... hxg4 { [%eval -1.45] [%clk 0:06:17] } 14. Qxg4 { [%eval -1.36] [%clk 0:08:20] } 14... Bh5 { [%eval -1.4] [%clk 0:06:18] } 15. Qg3 { [%eval -1.56] [%clk 0:08:09] } 15... Rg8? { [%eval -0.01] } { Mistake. Qc7 was best. } { [%clk 0:06:15] } 16. Kh2 { [%eval -0.09] [%clk 0:07:19] } 16... Bxg5 { [%eval 0.12] [%clk 0:02:08] } 17. fxg5 { [%eval 0.0] [%clk 0:07:27] } 17... Nde5? { [%eval 1.45] } { Mistake. Qxg5 was best. } { [%clk 0:01:13] } 18. Nc4 { [%eval 1.31] [%clk 0:06:24] } 18... Nxc4 { [%eval 1.42] [%clk 0:00:58] } 19. dxc4 { [%eval 1.46] [%clk 0:06:33] } 19... Be2?! { [%eval 2.34] } { Inaccuracy. Qe7 was best. } { [%clk 0:01:06] } 20. Rf2 { [%eval 2.42] [%clk 0:05:23] } 20... Bxc4 { [%eval 2.49] [%clk 0:00:59] } 21. b3 { [%eval 2.66] [%clk 0:05:18] } 21... Ba6 { [%eval 2.31] [%clk 0:01:06] } 22. Bf4 { [%eval 2.52] [%clk 0:04:56] } 22... e5 { [%eval 2.94] [%clk 0:01:06] } 23. Be3 { [%eval 2.85] [%clk 0:05:03] } 23... Qe7 { [%eval 2.91] [%clk 0:00:54] } 24. Qg4 { [%eval 2.57] [%clk 0:05:05] } 24... b5?! { [%eval 3.37] } { Inaccuracy. b6 was best. } { [%clk 0:00:22] } 25. Raf1 { [%eval 3.47] [%clk 0:04:28] } 25... Bc8 { [%eval 3.46] [%clk 0:00:19] } 26. Qg3 { [%eval 3.03] [%clk 0:03:42] } 26... Be6 { [%eval 3.05] [%clk 0:00:23] } 27. Bd1 { [%eval 3.08] [%clk 0:03:35] } 27... Qd7?! { [%eval 4.41] } { Inaccuracy. a5 was best. } { [%clk 0:00:16] } 28. Be2? { [%eval 2.75] } { Mistake. Bh5 was best. } { [%clk 0:03:32] } 28... b4?! { [%eval 3.57] } { Inaccuracy. Rg7 was best. } { [%clk 0:00:20] } 29. cxb4 { [%eval 3.74] [%clk 0:03:14] } 29... Nxb4 { [%eval 3.98] [%clk 0:00:26] } 30. Rd1?! { [%eval 3.13] } { Inaccuracy. Bh5 was best. } { [%clk 0:02:39] } 30... Rh8 { [%eval 3.68] [%clk 0:00:26] } 31. h4?! { [%eval 2.53] } { Inaccuracy. Bf1 was best. } { [%clk 0:02:43] } 31... Rc8? { [%eval 4.78] } { Mistake. O-O-O was best. } { [%clk 0:00:19] } 32. Rf6? { [%eval 3.02] } { Mistake. g6 was best. } { [%clk 0:02:35] } 32... Qe7?! { [%eval 3.92] } { Inaccuracy. Nc2 was best. } { [%clk 0:00:12] } 33. Bg4 { [%eval 3.97] [%clk 0:02:28] } 33... Nc2 { [%eval 4.19] [%clk 0:00:15] } 34. Bxe6 { [%eval 4.29] [%clk 0:01:58] } 34... fxe6 { [%eval 4.28] [%clk 0:00:23] } 35. Bf2?! { [%eval 2.93] } { Inaccuracy. Bc1 was best. } { [%clk 0:01:59] } 35... Nd4?! { [%eval 4.08] } { Inaccuracy. Rf8 was best. } { [%clk 0:00:28] } 36. Qg4 { [%eval 3.38] [%clk 0:01:49] } 36... Kd7 { [%eval 3.49] [%clk 0:00:36] } 37. Rf1 { [%eval 3.53] [%clk 0:01:37] } 37... Rcf8 { [%eval 3.4] [%clk 0:00:20] } 38. Bg3 { [%eval 3.15] [%clk 0:01:41] } 38... Rxf6 { [%eval 2.95] [%clk 0:00:14] } 39. gxf6?? { [%eval 0.68] } { Blunder. Rxf6 was best. } { [%clk 0:01:49] } 39... Qf7 { [%eval 0.73] [%clk 0:00:17] } 40. Qg7 { [%eval 0.99] [%clk 0:01:46] } 40... Rh7?? { [%eval 5.91] } { Blunder. Rf8 was best. } { [%clk 0:00:23] } 41. Qxh7 { [%eval 5.75] [%clk 0:01:42] } 41... Qxh7 { [%eval 5.89] [%clk 0:00:28] } 42. f7 { [%eval 5.82] [%clk 0:01:52] } 42... Qxe4 { [%eval 5.6] [%clk 0:00:13] } 43. f8=Q { [%eval 5.22] [%clk 0:01:51] } 43... Nf5 { [%eval 5.04] [%clk 0:00:21] } 44. Qf7+ { [%eval 5.92] [%clk 0:01:38] } 44... Kc6 { [%eval 5.93] [%clk 0:00:29] } 45. Qe8+ { [%eval 5.76] [%clk 0:01:44] } 45... Kb6 { [%eval 6.01] [%clk 0:00:29] } 46. Qb8+ { [%eval 5.81] [%clk 0:01:42] } 46... Ka6 { [%eval 6.18] [%clk 0:00:37] } 47. a4 { [%eval 6.0] [%clk 0:01:26] } 47... Nd4?? { [%eval #9] } { Checkmate is now unavoidable. Qc2+ was best. } { [%clk 0:00:23] } 48. Rf2?? { [%eval 5.66] } { Lost forced checkmate sequence. Rf7 was best. } { [%clk 0:01:11] } 48... Qd5?? { [%eval #8] } { Checkmate is now unavoidable. Ka5 was best. } { [%clk 0:00:18] } 49. Qc8+?? { [%eval 5.8] } { Lost forced checkmate sequence. Rf7 was best. } { [%clk 0:00:53] } 49... Kb6?! { [%eval 8.27] } { Inaccuracy. Ka5 was best. } { [%clk 0:00:17] } 50. Qd8+ { [%eval 7.93] [%clk 0:01:01] } 50... Ka6 { [%eval 7.63] [%clk 0:00:26] } 51. Qf8?! { [%eval 5.5] } { Inaccuracy. Rf7 was best. } { [%clk 0:00:41] } 51... Nf5?! { [%eval 7.34] } { Inaccuracy. Ka5 was best. } { [%clk 0:00:15] } 52. Qc8+ { [%eval 6.96] [%clk 0:00:20] } 52... Kb6 { [%eval 7.65] [%clk 0:00:24] } 53. Qb8+ { [%eval 7.26] [%clk 0:00:27] } 53... Kc6 { [%eval 7.87] [%clk 0:00:30] } 54. Qb5+?! { [%eval 5.22] } { Inaccuracy. Qa8+ was best. } { [%clk 0:00:32] } 54... Kc7 { [%eval 5.12] [%clk 0:00:35] } 55. Qc4 { [%eval 5.02] [%clk 0:00:37] } 55... Qe4?? { [%eval #12] } { Checkmate is now unavoidable. Qd1 was best. } { [%clk 0:00:14] } 56. Qxe4 { [%eval #19] [%clk 0:00:33] } 1-0