Event: 6th Colonial Open
Site: Sterlig, VA, United States
Date: 2025-04-20
White: Liu, Steven
WhiteElo: 2065
Black: Su, Kevin
BlackElo: 1914
Result: 0-1
ECO: A85
Opening: Dutch Defense: Queen's Knight Variation
Variant: Standard
TimeControl: G/90;+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... f5 { [%eval 0.47] [%clk 1:29:46] } 2. c4 { [%eval 0.48] [%clk 1:30:56] } 2... Nf6 { [%eval 0.42] [%clk 1:30:11] } 3. Nc3 { [%eval 0.39] [%clk 1:31:13] } 3... g6 { [%eval 0.45] [%clk 1:30:34] } 4. e3 { [%eval 0.34] [%clk 1:29:31] } 4... Bg7 { [%eval 0.52] [%clk 1:30:40] } 5. h4 { [%eval 0.29] [%clk 1:27:36] } 5... O-O { [%eval 0.58] [%clk 1:31:03] } 6. Be2 { [%eval 0.38] [%clk 1:26:21] } 6... h6 { [%eval 0.41] [%clk 1:29:41] } 7. Nh3 { [%eval 0.75] [%clk 1:22:02] } 7... d6 { [%eval 0.76] [%clk 1:27:31] } 8. Nf4 { [%eval 0.85] [%clk 1:17:49] } 8... Kh7 { [%eval 0.8] [%clk 1:27:41] } 9. d5 { [%eval 0.56] [%clk 1:16:00] } 9... Na6 { [%eval 0.57] [%clk 1:26:11] } 10. Nb5 { [%eval 0.47] [%clk 1:09:01] } 10... e5?! { [%eval 1.04] } { Inaccuracy. c6 was best. } { [%clk 1:16:34] } 11. dxe6 { [%eval 1.08] [%clk 1:08:12] } 11... Nc5 { [%eval 1.58] [%clk 1:15:50] } 12. Nd4 { [%eval 1.04] [%clk 1:04:39] } 12... Re8?! { [%eval 1.96] } { Inaccuracy. Nfe4 was best. } { [%clk 1:13:28] } 13. g4? { [%eval 0.57] } { Mistake. Qc2 was best. } { [%clk 1:01:31] } 13... Nxe6 { [%eval 0.72] [%clk 1:12:19] } 14. Nfxe6?! { [%eval -0.23] } { Inaccuracy. Ndxe6 was best. } { [%clk 0:52:40] } 14... Bxe6 { [%eval -0.18] [%clk 1:12:41] } 15. gxf5 { [%eval -0.21] [%clk 0:52:56] } 15... Bxf5 { [%eval -0.26] [%clk 1:12:48] } 16. Nxf5 { [%eval -0.24] [%clk 0:53:03] } 16... gxf5 { [%eval -0.18] [%clk 1:13:08] } 17. Bd3 { [%eval -0.2] [%clk 0:50:42] } 17... Ne4 { [%eval -0.28] [%clk 1:04:29] } 18. f3 { [%eval -0.24] [%clk 0:42:33] } 18... Ng3 { [%eval -0.3] [%clk 1:03:59] } 19. Rh3 { [%eval -0.16] [%clk 0:42:26] } 19... Kh8 { [%eval -0.27] [%clk 1:04:19] } 20. Kf2 { [%eval -0.32] [%clk 0:38:20] } 20... f4 { [%eval 0.09] [%clk 1:03:46] } 21. exf4 { [%eval 0.18] [%clk 0:36:32] } 21... Bd4+ { [%eval 0.0] [%clk 1:01:49] } 22. Kxg3 { [%eval 0.0] [%clk 0:30:41] } 22... Rg8+ { [%eval 0.0] [%clk 1:02:11] } 23. Kh2 { [%eval 0.0] [%clk 0:31:05] } 23... Rg1 { [%eval 0.09] [%clk 1:00:11] } 24. Qxg1 { [%eval 0.59] [%clk 0:27:20] } 24... Bxg1+ { [%eval 0.0] [%clk 1:00:37] } 25. Kxg1 { [%eval 0.0] [%clk 0:27:44] } 25... Qf6 { [%eval 0.33] [%clk 1:01:02] } 26. Be3?? { [%eval -3.71] } { Blunder. Kg2 was best. } { [%clk 0:18:31] } 26... Qxb2 { [%eval -3.75] [%clk 1:01:25] } 27. Rb1 { [%eval -4.16] [%clk 0:17:36] } 27... Rg8+ { [%eval -4.06] [%clk 1:01:49] } 28. Kf1 { [%eval -3.76] [%clk 0:17:54] } 28... Qg2+ { [%eval -4.07] [%clk 1:02:06] } 29. Ke1 { [%eval -4.15] [%clk 0:18:21] } 29... Re8 { [%eval -4.24] [%clk 1:01:51] } 30. Be4 { [%eval -4.14] [%clk 0:18:19] } 30... Qxh3 { [%eval -4.22] [%clk 1:00:59] } 31. Kd2 { [%eval -4.25] [%clk 0:17:07] } 31... Qg2+ { [%eval -4.13] [%clk 0:53:43] } 32. Kd3 { [%eval -3.79] [%clk 0:16:40] } 32... Qxa2 { [%eval -3.62] [%clk 0:53:24] } 33. Rxb7 { [%eval -4.3] [%clk 0:15:54] } 33... Qa3+ { [%eval -4.08] [%clk 0:53:12] } 34. Kd2 { [%eval -3.86] [%clk 0:15:47] } 34... a6?! { [%eval -2.97] } { Inaccuracy. c5 was best. } { [%clk 0:46:55] } 35. f5 { [%eval -2.87] [%clk 0:14:35] } 35... Qa4 { [%eval -2.55] [%clk 0:40:18] } 36. Kd3?! { [%eval -3.45] } { Inaccuracy. Bd4+ was best. } { [%clk 0:12:05] } 36... Qd1+ { [%eval -3.43] [%clk 0:39:58] } 37. Kc3 { [%eval -3.56] [%clk 0:12:27] } 37... c5 { [%eval -3.38] [%clk 0:37:19] } 38. Ra7? { [%eval -6.13] } { Mistake. Bxh6 was best. } { [%clk 0:07:57] } 38... Rb8 { [%eval -5.59] [%clk 0:36:31] } 39. Bc2?! { [%eval -8.92] } { Inaccuracy. Ra8 was best. } { [%clk 0:06:55] } 39... Qxf3? { [%eval -4.99] } { Mistake. Qe1+ was best. } { [%clk 0:36:55] } 40. Re7 { [%eval -4.87] [%clk 0:06:38] } 40... a5 { [%eval -4.84] [%clk 0:35:10] } 41. Re6 { [%eval -5.76] [%clk 0:06:49] } 41... Kg8 { [%eval -5.26] [%clk 0:33:13] } 42. Kd2?! { [%eval -7.42] } { Inaccuracy. f6 was best. } { [%clk 0:04:37] } 42... Rb2 { [%eval -7.46] [%clk 0:33:04] } 43. Rg6+ { [%eval -7.64] [%clk 0:01:03] } 43... Kf7 { [%eval -7.53] [%clk 0:33:29] } 44. Rg1 { [%eval -8.02] [%clk 0:00:51] } 44... Rxc2+ { [%eval -7.78] [%clk 0:33:53] } 45. Kxc2 { [%eval -7.63] [%clk 0:01:16] } 45... Qxe3 { [%eval -7.3] [%clk 0:34:19] } 46. Ra1? { [%eval #-20] } { Checkmate is now unavoidable. Rg6 was best. } { [%clk 0:01:31] } 46... Qe2+ { [%eval #-18] [%clk 0:34:34] } 47. Kb3 { [%eval #-18] [%clk 0:01:37] } 47... Qd3+ { [%eval #-17] [%clk 0:35:00] } 48. Kb2 { [%eval #-20] [%clk 0:01:59] } 48... Qd4+ { [%eval #-28] [%clk 0:35:17] } 49. Kb1 { [%clk 0:02:18] } 49... Qxc4 { [%clk 0:35:39] } 0-1