Event: Tata Steel Chess Tournament 2025 Challengers
Site: Wijk aan Zee, Netherlands
Date: 2025-02-01
White: Nguyen, Thai Dai Van
WhiteTitle: GM
WhiteElo: 2668
Black: Bulmaga, Irina
BlackTitle: IM
BlackElo: 2386
Result: 1-0
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:40:57] } 1... Nf6 { [%eval 0.19] [%clk 1:40:54] } 2. c4 { [%eval 0.18] [%clk 1:41:21] } 2... g6 { [%eval 0.19] [%clk 1:41:17] } 3. Nc3 { [%eval 0.21] [%clk 1:41:40] } 3... Bg7 { [%eval 0.51] [%clk 1:41:38] } 4. e4 { [%eval 0.4] [%clk 1:42:06] } 4... d6 { [%eval 0.48] [%clk 1:42:01] } 5. Be2 { [%eval 0.51] [%clk 1:42:33] } 5... O-O { [%eval 0.48] [%clk 1:42:18] } 6. Be3 { [%eval 0.44] [%clk 1:43:01] } 6... Nc6 { [%eval 0.55] [%clk 1:42:24] } 7. d5 { [%eval 0.47] [%clk 1:43:19] } 7... Ne5 { [%eval 0.56] [%clk 1:42:44] } 8. Rc1 { [%eval 0.37] [%clk 1:42:39] } 8... e6 { [%eval 0.85] [%clk 1:39:05] } 9. f4 { [%eval 0.82] [%clk 1:41:03] } 9... Ned7 { [%eval 0.8] [%clk 1:38:48] } 10. dxe6 { [%eval 0.78] [%clk 1:41:22] } 10... fxe6 { [%eval 0.87] [%clk 1:39:10] } 11. Nh3 { [%eval 0.8] [%clk 1:41:44] } 11... b6 { [%eval 0.82] [%clk 1:21:44] } 12. O-O { [%eval 0.81] [%clk 1:41:14] } 12... Bb7 { [%eval 0.85] [%clk 1:22:04] } 13. Bf3 { [%eval 0.95] [%clk 1:40:03] } 13... Nc5 { [%eval 1.35] [%clk 1:16:13] } 14. Bxc5?! { [%eval 0.67] } { Inaccuracy. Qc2 was best. } { [%clk 1:14:24] } 14... bxc5 { [%eval 0.74] [%clk 1:15:26] } 15. Ng5 { [%eval 0.7] [%clk 1:14:36] } 15... Qe8 { [%eval 0.73] [%clk 0:51:26] } 16. e5 { [%eval 0.47] [%clk 1:03:23] } 16... Bxf3 { [%eval 0.49] [%clk 0:51:02] } 17. Qxf3 { [%eval 0.46] [%clk 0:56:51] } 17... dxe5 { [%eval 0.44] [%clk 0:43:01] } 18. Qh3 { [%eval 0.25] [%clk 0:55:18] } 18... exf4?! { [%eval 1.05] } { Inaccuracy. Nh5 was best. } { [%clk 0:37:22] } 19. Rce1?! { [%eval 0.28] } { Inaccuracy. Nxe6 was best. } { [%clk 0:52:27] } 19... Qd7 { [%eval 0.42] [%clk 0:28:29] } 20. Rd1 { [%eval 0.19] [%clk 0:51:08] } 20... Qc6?! { [%eval 1.22] } { Inaccuracy. Qe7 was best. } { [%clk 0:20:25] } 21. Rxf4 { [%eval 1.09] [%clk 0:23:53] } 21... Nh5 { [%eval 1.22] [%clk 0:11:46] } 22. Rxf8+ { [%eval 1.43] [%clk 0:23:58] } 22... Rxf8 { [%eval 1.3] [%clk 0:10:28] } 23. Qxe6+ { [%eval 1.28] [%clk 0:23:59] } 23... Qxe6 { [%eval 1.19] [%clk 0:10:55] } 24. Nxe6 { [%eval 1.04] [%clk 0:24:22] } 24... Bxc3? { [%eval 2.59] } { Mistake. Re8 was best. } { [%clk 0:06:22] } 25. Nxf8 { [%eval 2.56] [%clk 0:21:53] } 25... Bd4+ { [%eval 2.41] [%clk 0:06:43] } 26. Rxd4 { [%eval 2.53] [%clk 0:22:21] } 26... cxd4 { [%eval 2.45] [%clk 0:07:07] } 27. Ne6 { [%eval 2.39] [%clk 0:22:50] } 27... d3 { [%eval 3.03] [%clk 0:05:26] } 28. Kf2 { [%eval 2.85] [%clk 0:22:01] } 28... Kf7 { [%eval 2.95] [%clk 0:02:34] } 29. Nxc7 { [%eval 2.6] [%clk 0:12:53] } 29... d2?! { [%eval 4.12] } { Inaccuracy. Nf4 was best. } { [%clk 0:03:01] } 30. Ke2 { [%eval 4.23] [%clk 0:13:18] } 30... Nf4+ { [%eval 4.17] [%clk 0:03:26] } 31. Kxd2 { [%eval 4.23] [%clk 0:13:45] } 31... Nxg2 { [%eval 3.98] [%clk 0:03:51] } 32. b4 { [%eval 4.44] [%clk 0:13:54] } 32... Nh4 { [%eval 4.62] [%clk 0:02:44] } 33. Ke2 { [%eval 3.99] [%clk 0:12:46] } 33... Ke7 { [%eval 4.61] [%clk 0:00:49] } 34. Nb5 { [%eval 4.59] [%clk 0:12:51] } 34... a6 { [%eval 4.93] [%clk 0:00:50] } 35. Nc7 { [%eval 4.73] [%clk 0:11:53] } 35... a5?! { [%eval 6.16] } { Inaccuracy. h5 was best. } { [%clk 0:00:49] } 36. bxa5 { [%eval 6.11] [%clk 0:12:11] } 36... Kd7 { [%eval 5.29] [%clk 0:00:49] } 37. Nb5 { [%eval 6.07] [%clk 0:11:26] } 37... Nf5 { [%eval 6.01] [%clk 0:00:50] } 38. a6 { [%eval 5.55] [%clk 0:11:46] } 38... Kc8?! { [%eval 7.36] } { Inaccuracy. Kc6 was best. } { [%clk 0:00:33] } 39. c5 { [%eval 7.01] [%clk 0:11:33] } 39... Ne7 { [%eval 6.29] [%clk 0:00:56] } 40. Kf3 { [%eval 6.18] [%clk 0:11:40] } 40... Nc6 { [%eval 7.79] [%clk 0:00:50] } 41. a3 { [%eval 7.7] [%clk 0:10:51] } 41... h5 { [%eval 6.54] [%clk 0:46:32] } 42. Kf4 { [%eval 5.83] [%clk 0:59:56] } 42... Nd8?? { [%eval #25] } { Checkmate is now unavoidable. h4 was best. } { [%clk 0:46:36] } 43. Ke5 { [%eval 11.68] [%clk 0:59:44] } 43... g5?! { [%eval #13] } { Checkmate is now unavoidable. Kd7 was best. } { [%clk 0:46:49] } 44. Kd5? { [%eval 8.44] } { Lost forced checkmate sequence. Kd6 was best. } { [%clk 0:59:56] } 1-0