Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: Daqing, China
Date: 2025-07-31
White: Zhang, Tiankun
WhiteElo: 1576
Black: Sun, Bowen(HLJ)
BlackElo: 0
Result: 1/2-1/2
ECO: C96
Opening: Ruy Lopez: Closed, Chigorin Defense
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:55] } 1... e5 { [%eval 0.22] [%clk 1:00:54] } 2. Nf3 { [%eval 0.13] [%clk 1:01:17] } 2... Nc6 { [%eval 0.21] [%clk 1:01:19] } 3. Bb5 { [%eval 0.15] [%clk 1:01:37] } 3... a6 { [%eval 0.21] [%clk 1:01:41] } 4. Ba4 { [%eval 0.11] [%clk 1:01:40] } 4... Nf6 { [%eval 0.28] [%clk 1:02:00] } 5. O-O { [%eval 0.13] [%clk 1:01:51] } 5... Be7 { [%eval 0.24] [%clk 1:02:22] } 6. Re1 { [%eval 0.19] [%clk 1:02:11] } 6... b5 { [%eval 0.14] [%clk 1:02:24] } 7. Bb3 { [%eval 0.11] [%clk 1:02:22] } 7... d6 { [%eval 0.32] [%clk 1:02:31] } 8. c3 { [%eval 0.37] [%clk 1:02:16] } 8... O-O { [%eval 0.38] [%clk 1:02:49] } 9. h3 { [%eval 0.37] [%clk 1:02:33] } 9... Na5 { [%eval 0.45] [%clk 1:03:03] } 10. Bc2 { [%eval 0.52] [%clk 1:02:33] } 10... c5 { [%eval 0.5] [%clk 1:03:05] } 11. d3 { [%eval 0.14] [%clk 0:59:28] } 11... Qc7 { [%eval 0.45] [%clk 0:59:07] } 12. Nbd2 { [%eval 0.13] [%clk 0:56:16] } 12... Nc6 { [%eval 0.07] [%clk 0:58:43] } 13. Nf1 { [%eval 0.14] [%clk 0:55:36] } 13... Be6 { [%eval 0.17] [%clk 0:56:39] } 14. Be3 { [%eval -0.2] [%clk 0:53:22] } 14... d5 { [%eval -0.36] [%clk 0:54:42] } 15. Ng3 { [%eval -0.53] [%clk 0:49:58] } 15... d4 { [%eval -0.43] [%clk 0:52:13] } 16. cxd4 { [%eval -0.5] [%clk 0:50:00] } 16... cxd4 { [%eval 0.0] [%clk 0:52:10] } 17. Bd2 { [%eval -0.08] [%clk 0:49:21] } 17... Rac8 { [%eval 0.34] [%clk 0:49:42] } 18. Bb3 { [%eval 0.23] [%clk 0:48:14] } 18... Bd7?! { [%eval 1.14] } { Inaccuracy. Bxb3 was best. } { [%clk 0:46:59] } 19. Rc1 { [%eval 1.06] [%clk 0:45:02] } 19... Qb7?! { [%eval 1.85] } { Inaccuracy. Qd6 was best. } { [%clk 0:46:27] } 20. Qe2? { [%eval 0.53] } { Mistake. Rxc6 was best. } { [%clk 0:38:18] } 20... Rc7? { [%eval 1.87] } { Mistake. a5 was best. } { [%clk 0:45:15] } 21. Rc2?! { [%eval 1.21] } { Inaccuracy. Nf5 was best. } { [%clk 0:37:32] } 21... Rfc8?! { [%eval 2.15] } { Inaccuracy. Be6 was best. } { [%clk 0:45:26] } 22. Rec1? { [%eval 0.57] } { Mistake. Rxc6 was best. } { [%clk 0:35:24] } 22... h6? { [%eval 1.73] } { Mistake. Be6 was best. } { [%clk 0:43:41] } 23. Bd5? { [%eval 0.11] } { Mistake. Rxc6 was best. } { [%clk 0:30:05] } 23... Bd6 { [%eval 0.08] [%clk 0:42:09] } 24. Bb3 { [%eval 0.15] [%clk 0:26:54] } 24... Ne7 { [%eval 0.64] [%clk 0:37:57] } 25. Qd1?! { [%eval -0.03] } { Inaccuracy. Nxd4 was best. } { [%clk 0:25:51] } 25... Ng6 { [%eval 0.27] [%clk 0:37:28] } 26. Rxc7 { [%eval 0.22] [%clk 0:24:28] } 26... Rxc7 { [%eval 0.33] [%clk 0:37:45] } 27. Rxc7 { [%eval 0.0] [%clk 0:23:15] } 27... Qxc7 { [%eval -0.02] [%clk 0:38:09] } 28. Qc1 { [%eval -0.14] [%clk 0:23:27] } 28... Qxc1+ { [%eval -0.2] [%clk 0:36:58] } 29. Bxc1 { [%eval -0.17] [%clk 0:23:49] } 29... a5 { [%eval -0.33] [%clk 0:37:21] } 30. a3 { [%eval -0.23] [%clk 0:22:38] } 30... Kf8 { [%eval -0.02] [%clk 0:36:03] } 31. Bd2 { [%eval -0.06] [%clk 0:22:10] } 31... a4 { [%eval -0.07] [%clk 0:36:01] } 32. Ba2 { [%eval -0.06] [%clk 0:22:10] } 32... Ke7 { [%eval 0.12] [%clk 0:33:21] } 33. Kf1 { [%eval -0.02] [%clk 0:19:51] } 33... Ne8 { [%eval 0.29] [%clk 0:31:55] } 34. Ke2 { [%eval 0.03] [%clk 0:19:46] } 34... Nc7 { [%eval 0.49] [%clk 0:32:14] } 35. Kd1 { [%eval 0.0] [%clk 0:18:54] } 35... Ne6?? { [%eval 4.49] } { Blunder. Be6 was best. } { [%clk 0:32:23] } 36. Ne2?? { [%eval -0.11] } { Blunder. Nf5+ was best. } { [%clk 0:18:10] } 36... Nc5 { [%eval -0.02] [%clk 0:30:43] } 37. Kc2 { [%eval -0.03] [%clk 0:17:06] } 37... f5 { [%eval -0.05] [%clk 0:29:21] } 38. Ng3 { [%eval -0.11] [%clk 0:13:40] } 38... fxe4 { [%eval -0.12] [%clk 0:26:34] } 39. Nxe4 { [%eval -0.1] [%clk 0:13:35] } 39... Bc6 { [%eval -0.08] [%clk 0:24:54] } 40. Nxc5 { [%eval -0.19] [%clk 0:10:32] } 1/2-1/2