Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: Daqing, China
Date: 2025-07-31
White: Dang, Letian
WhiteElo: 1547
Black: Guo, Ziming
BlackElo: 1799
Result: 0-1
ECO: E11
Opening: Bogo-Indian Defense: Nimzowitsch Variation
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:53] } 1... Nf6 { [%eval 0.19] [%clk 1:00:56] } 2. c4 { [%eval 0.18] [%clk 1:01:20] } 2... e6 { [%eval 0.14] [%clk 1:01:21] } 3. Nf3 { [%eval 0.11] [%clk 1:01:45] } 3... Bb4+ { [%eval 0.54] [%clk 1:01:46] } 4. Bd2 { [%eval 0.13] [%clk 1:01:57] } 4... Qe7 { [%eval 0.3] [%clk 1:02:16] } 5. a3 { [%eval 0.21] [%clk 1:02:06] } 5... Bxd2+ { [%eval 0.17] [%clk 1:02:39] } 6. Qxd2 { [%eval 0.18] [%clk 1:02:28] } 6... O-O { [%eval 0.28] [%clk 1:03:04] } 7. Nc3 { [%eval 0.17] [%clk 1:02:50] } 7... d6 { [%eval 0.3] [%clk 1:03:30] } 8. e3 { [%eval 0.3] [%clk 1:03:11] } 8... e5 { [%eval 0.3] [%clk 1:03:56] } 9. d5 { [%eval -0.16] [%clk 1:02:15] } 9... Nbd7 { [%eval 0.04] [%clk 1:04:08] } 10. b4 { [%eval -0.23] [%clk 1:01:23] } 10... c6 { [%eval 0.26] [%clk 1:02:31] } 11. Be2 { [%eval 0.0] [%clk 1:00:52] } 11... cxd5 { [%eval 0.0] [%clk 1:01:44] } 12. Nxd5 { [%eval -0.11] [%clk 0:59:51] } 12... Nxd5 { [%eval -0.16] [%clk 1:02:05] } 13. cxd5 { [%eval -0.7] [%clk 0:58:36] } 13... Nf6 { [%eval -0.58] [%clk 1:02:29] } 14. O-O { [%eval -0.57] [%clk 0:58:10] } 14... Bf5 { [%eval -0.51] [%clk 1:02:49] } 15. Bc4?! { [%eval -1.22] } { Inaccuracy. Nh4 was best. } { [%clk 0:55:16] } 15... Rac8 { [%eval -1.13] [%clk 1:02:18] } 16. Bb3 { [%eval -1.55] [%clk 0:55:24] } 16... Ne4 { [%eval -1.18] [%clk 1:01:22] } 17. Qb2 { [%eval -0.93] [%clk 0:54:32] } 17... Rc3 { [%eval -1.07] [%clk 1:01:44] } 18. Rac1 { [%eval -1.49] [%clk 0:53:44] } 18... Rfc8 { [%eval -1.17] [%clk 0:58:23] } 19. Rxc3 { [%eval -1.19] [%clk 0:52:52] } 19... Nxc3 { [%eval -1.11] [%clk 0:58:46] } 20. Kh1 { [%eval -1.0] [%clk 0:49:36] } 20... Ne4 { [%eval -1.11] [%clk 0:57:11] } 21. Nd2? { [%eval -2.33] } { Mistake. Ng1 was best. } { [%clk 0:49:11] } 21... Nxd2 { [%eval -2.32] [%clk 0:56:44] } 22. Qxd2 { [%eval -2.14] [%clk 0:49:38] } 22... Qc7 { [%eval -2.31] [%clk 0:56:25] } 23. h3 { [%eval -2.29] [%clk 0:44:09] } 23... Qc3 { [%eval -2.34] [%clk 0:55:48] } 24. Qa2 { [%eval -2.39] [%clk 0:44:13] } 24... h6 { [%eval -2.32] [%clk 0:54:53] } 25. Kh2 { [%eval -2.27] [%clk 0:41:35] } 25... a5?! { [%eval -1.15] } { Inaccuracy. Bd3 was best. } { [%clk 0:51:08] } 26. bxa5 { [%eval -1.27] [%clk 0:39:28] } 26... Rc5 { [%eval -1.28] [%clk 0:51:16] } 27. Rd1? { [%eval -2.6] } { Mistake. a4 was best. } { [%clk 0:29:21] } 27... Rb5 { [%eval -2.81] [%clk 0:51:39] } 28. Bc4?! { [%eval -3.75] } { Inaccuracy. Ba4 was best. } { [%clk 0:27:04] } 28... Rb2 { [%eval -3.76] [%clk 0:51:46] } 29. Qa1 { [%eval -3.56] [%clk 0:27:27] } 29... Qc2 { [%eval -3.51] [%clk 0:52:12] } 30. Rg1 { [%eval -3.67] [%clk 0:21:48] } 30... Qxf2 { [%eval -3.61] [%clk 0:52:12] } 31. Qf1 { [%eval -3.93] [%clk 0:21:24] } 31... Qc2?! { [%eval -2.85] } { Inaccuracy. Qxf1 was best. } { [%clk 0:50:38] } 32. a4?! { [%eval -3.99] } { Inaccuracy. Be2 was best. } { [%clk 0:07:53] } 32... Be4 { [%eval -4.47] [%clk 0:49:33] } 33. h4?! { [%eval -5.81] } { Inaccuracy. Bb5 was best. } { [%clk 0:05:45] } 33... Qxa4 { [%eval -5.82] [%clk 0:49:05] } 34. Kh3 { [%eval -6.57] [%clk 0:04:23] } 34... Qd7+?! { [%eval -5.08] } { Inaccuracy. Rb1 was best. } { [%clk 0:49:24] } 35. g4 { [%eval -5.16] [%clk 0:04:35] } 35... h5 { [%eval -5.21] [%clk 0:49:40] } 36. Bd3 { [%eval -5.14] [%clk 0:03:47] } 36... hxg4+ { [%eval -5.21] [%clk 0:50:04] } 37. Kg3 { [%eval -5.26] [%clk 0:03:47] } 37... Bxd5 { [%eval -4.82] [%clk 0:50:31] } 38. Bf5?! { [%eval -6.6] } { Inaccuracy. Qf5 was best. } { [%clk 0:03:29] } 38... Qa4?! { [%eval -4.34] } { Inaccuracy. Qc6 was best. } { [%clk 0:50:51] } 39. Qc1 { [%eval -4.22] [%clk 0:03:30] } 39... g6 { [%eval -4.24] [%clk 0:50:35] } 40. Qxb2 { [%eval -4.19] [%clk 0:03:07] } 40... gxf5 { [%eval -4.14] [%clk 0:51:01] } 41. Qc3?! { [%eval -5.82] } { Inaccuracy. a6 was best. } { [%clk 0:02:53] } 41... Qe4 { [%eval -5.31] [%clk 0:51:22] } 42. h5?? { [%eval #-9] } { Checkmate is now unavoidable. Kf2 was best. } { [%clk 0:00:39] } 42... f6?? { [%eval -5.51] } { Lost forced checkmate sequence. Qf3+ was best. } { [%clk 0:51:40] } 43. Qc8+?! { [%eval -8.6] } { Inaccuracy. Kf2 was best. } { [%clk 0:00:43] } 43... Kh7 { [%eval -6.28] [%clk 0:52:06] } 44. Qd7+?? { [%eval #-8] } { Checkmate is now unavoidable. Kf2 was best. } { [%clk 0:00:41] } 44... Kh6 { [%eval #-7] [%clk 0:52:34] } 0-1