Event: 2025 Box Hill Chess Club Championship
Site: Melbourne, Australia
Date: 2025-05-23
White: Cheng, Chao Xin
WhiteTitle: WFM
WhiteElo: 1974
Black: Dai, Cheng
BlackTitle: FM
BlackElo: 2144
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: 75 mins + 30 secs increment from move 1

1. e4 { [%eval 0.18] [%clk 1:12:43] } 1... c5 { [%eval 0.25] [%clk 1:15:08] } 2. Nf3 { [%eval 0.2] [%clk 1:13:01] } 2... d6 { [%eval 0.31] [%clk 1:15:30] } 3. d4 { [%eval 0.22] [%clk 1:13:25] } 3... cxd4 { [%eval 0.19] [%clk 1:15:52] } 4. Nxd4 { [%eval 0.18] [%clk 1:13:49] } 4... Nf6 { [%eval 0.31] [%clk 1:16:08] } 5. Nc3 { [%eval 0.32] [%clk 1:14:06] } 5... a6 { [%eval 0.23] [%clk 1:16:04] } 6. Be3 { [%eval 0.25] [%clk 1:13:42] } 6... e5 { [%eval 0.15] [%clk 1:16:02] } 7. Nb3 { [%eval 0.21] [%clk 1:13:30] } 7... Be7 { [%eval 0.24] [%clk 1:16:14] } 8. Be2 { [%eval 0.28] [%clk 1:12:21] } 8... Be6 { [%eval 0.27] [%clk 1:16:29] } 9. Qd3 { [%eval 0.15] [%clk 1:07:40] } 9... Nbd7 { [%eval 0.32] [%clk 1:15:36] } 10. Nd5 { [%eval 0.13] [%clk 1:05:11] } 10... Bxd5 { [%eval 0.32] [%clk 1:14:55] } 11. exd5 { [%eval 0.27] [%clk 1:05:30] } 11... Rc8 { [%eval 0.22] [%clk 1:14:45] } 12. Rc1 { [%eval 0.11] [%clk 1:03:00] } 12... O-O { [%eval 0.16] [%clk 1:13:16] } 13. O-O { [%eval 0.12] [%clk 1:02:40] } 13... b5 { [%eval 0.38] [%clk 1:12:06] } 14. c4 { [%eval 0.34] [%clk 0:54:38] } 14... bxc4 { [%eval 0.34] [%clk 1:09:19] } 15. Rxc4 { [%eval 0.33] [%clk 0:54:53] } 15... Rxc4 { [%eval 0.45] [%clk 1:09:04] } 16. Qxc4 { [%eval 0.46] [%clk 0:55:16] } 16... Nb6 { [%eval 0.47] [%clk 1:09:00] } 17. Bxb6 { [%eval 0.09] [%clk 0:55:17] } 17... Qxb6 { [%eval 0.07] [%clk 1:09:25] } 18. Rd1 { [%eval -0.39] [%clk 0:53:18] } 18... a5 { [%eval -0.32] [%clk 1:03:18] } 19. h3 { [%eval -0.76] [%clk 0:41:10] } 19... g6 { [%eval -0.81] [%clk 1:01:32] } 20. Qc6 { [%eval -0.74] [%clk 0:30:58] } 20... Qb4 { [%eval -0.74] [%clk 0:58:45] } 21. Bc4 { [%eval -1.14] [%clk 0:28:26] } 21... Qb8?! { [%eval -0.35] } { Inaccuracy. Ne4 was best. } { [%clk 0:55:27] } 22. Qb5 { [%eval -0.33] [%clk 0:22:10] } 22... Qxb5 { [%eval -0.05] [%clk 0:53:21] } 23. Bxb5 { [%eval -0.14] [%clk 0:22:34] } 23... a4 { [%eval 0.0] [%clk 0:37:46] } 24. Bxa4 { [%eval -0.42] [%clk 0:19:33] } 24... Ra8 { [%eval -0.63] [%clk 0:36:19] } 25. Bc6 { [%eval -0.58] [%clk 0:19:47] } 25... Rxa2 { [%eval -0.41] [%clk 0:36:39] } 26. Rb1 { [%eval -0.52] [%clk 0:18:50] } 26... Ne4 { [%eval -0.36] [%clk 0:32:46] } 27. Nc1?! { [%eval -1.26] } { Inaccuracy. f3 was best. } { [%clk 0:17:11] } 27... Ra7 { [%eval -1.03] [%clk 0:32:16] } 28. Nb3 { [%eval -1.16] [%clk 0:16:36] } 28... Bd8?! { [%eval -0.24] } { Inaccuracy. Ra6 was best. } { [%clk 0:29:50] } 29. f3 { [%eval -0.37] [%clk 0:12:16] } 29... Bb6+ { [%eval 0.0] [%clk 0:29:35] } 30. Kh2 { [%eval 0.0] [%clk 0:12:36] } 30... Nf2 { [%eval 0.0] [%clk 0:28:54] } 31. Nd2 { [%eval 0.0] [%clk 0:10:00] } 31... f5 { [%eval 0.5] [%clk 0:25:39] } 32. Nc4 { [%eval 0.52] [%clk 0:09:29] } 32... Bc7 { [%eval 0.8] [%clk 0:25:21] } 33. b4 { [%eval 0.73] [%clk 0:08:11] } 33... Nd3 { [%eval 0.9] [%clk 0:20:33] } 34. b5 { [%eval 0.92] [%clk 0:08:00] } 34... Ra2 { [%eval 0.84] [%clk 0:20:32] } 35. b6 { [%eval 0.82] [%clk 0:07:36] } 35... Bb8 { [%eval 1.06] [%clk 0:20:57] } 36. b7?! { [%eval 0.18] } { Inaccuracy. Rb3 was best. } { [%clk 0:06:08] } 36... e4 { [%eval 0.13] [%clk 0:18:52] } 37. fxe4 { [%eval 0.19] [%clk 0:05:31] } 37... fxe4 { [%eval 0.18] [%clk 0:18:54] } 38. Rf1 { [%eval 0.24] [%clk 0:04:04] } 38... g5 { [%eval 0.66] [%clk 0:14:52] } 39. Rf5 { [%eval 0.38] [%clk 0:03:12] } 39... h6 { [%eval 0.47] [%clk 0:14:51] } 40. Rf6 { [%eval 0.0] [%clk 0:02:08] } 40... Nf4 { [%eval 0.0] [%clk 0:13:49] } 41. Kh1 { [%eval -0.38] [%clk 0:01:48] } 41... Kg7 { [%eval -0.45] [%clk 0:12:20] } 42. Rf5?? { [%eval -2.85] } { Blunder. Rxd6 was best. } { [%clk 0:00:47] } 42... Nxg2 { [%eval -3.1] [%clk 0:10:16] } 43. Bd7? { [%eval -5.18] } { Mistake. Be8 was best. } { [%clk 0:00:32] } 43... Nh4 { [%eval -5.25] [%clk 0:09:50] } 44. Ne3 { [%eval -5.19] [%clk 0:00:32] } 44... Nxf5 { [%eval -4.46] [%clk 0:08:23] } 45. Nxf5+ { [%eval -5.44] [%clk 0:01:00] } 45... Kf6 { [%eval -5.38] [%clk 0:08:07] } 46. Nd4 { [%eval -5.74] [%clk 0:01:08] } 46... Rb2 { [%eval -5.68] [%clk 0:07:46] } 47. Bc6 { [%eval -7.22] [%clk 0:00:37] } 47... e3 { [%eval -7.36] [%clk 0:07:15] } 48. Bb5 { [%eval -11.42] [%clk 0:00:34] } 48... Rxb5 { [%eval -9.46] [%clk 0:07:09] } 49. Nxb5? { [%eval #-10] } { Checkmate is now unavoidable. Kg2 was best. } { [%clk 0:00:57] } 49... e2 { [%eval #-9] [%clk 0:07:33] } 0-1