Event: 2025 National Chess Open (Liaocheng,China)
Site: Liaocheng,Shandong, China
Date: 2025-07-23
White: Chen, lvheng
WhiteElo: 2082
Black: Wang, Yunzhuo
BlackElo: 1559
Result: 1-0
ECO: D30
Opening: Semi-Slav Defense: Quiet Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:32] } 1... d5 { [%eval 0.2] [%clk 1:30:50] } 2. c4 { [%eval 0.18] [%clk 1:30:35] } 2... c6 { [%eval 0.21] [%clk 1:31:15] } 3. Nf3 { [%eval 0.2] [%clk 1:30:37] } 3... Nf6 { [%eval 0.24] [%clk 1:31:32] } 4. e3 { [%eval 0.15] [%clk 1:30:07] } 4... e6 { [%eval 0.2] [%clk 1:31:38] } 5. Nbd2 { [%eval 0.2] [%clk 1:30:16] } 5... Bb4 { [%eval 0.43] [%clk 1:24:44] } 6. Bd3 { [%eval 0.39] [%clk 1:25:54] } 6... dxc4 { [%eval 0.45] [%clk 1:20:29] } 7. Bxc4 { [%eval 0.45] [%clk 1:26:18] } 7... b5 { [%eval 0.74] [%clk 1:17:15] } 8. Bd3 { [%eval 1.03] [%clk 1:26:37] } 8... a6 { [%eval 1.05] [%clk 1:11:49] } 9. Qc2 { [%eval 0.82] [%clk 1:26:13] } 9... Qb6 { [%eval 1.15] [%clk 1:02:15] } 10. O-O { [%eval 1.03] [%clk 1:24:13] } 10... c5? { [%eval 2.71] } { Mistake. Nbd7 was best. } { [%clk 0:54:41] } 11. a3 { [%eval 2.9] [%clk 1:16:23] } 11... Bxd2 { [%eval 2.95] [%clk 0:54:51] } 12. dxc5 { [%eval 2.95] [%clk 1:16:09] } 12... Qc6 { [%eval 3.13] [%clk 0:54:40] } 13. Nxd2 { [%eval 3.11] [%clk 1:15:42] } 13... Bb7 { [%eval 3.1] [%clk 0:54:25] } 14. f3 { [%eval 3.13] [%clk 1:16:06] } 14... Nbd7 { [%eval 3.09] [%clk 0:46:39] } 15. b4 { [%eval 3.02] [%clk 1:15:20] } 15... Ne5 { [%eval 3.41] [%clk 0:38:47] } 16. Be2 { [%eval 3.06] [%clk 1:09:57] } 16... Qd5?! { [%eval 4.25] } { Inaccuracy. Qc7 was best. } { [%clk 0:19:41] } 17. Rd1 { [%eval 4.27] [%clk 1:07:16] } 17... Qc6 { [%eval 4.3] [%clk 0:11:44] } 18. Nb3 { [%eval 3.68] [%clk 1:05:56] } 18... Rc8 { [%eval 4.35] [%clk 0:10:34] } 19. Na5 { [%eval 4.05] [%clk 1:04:45] } 19... Qc7 { [%eval 4.02] [%clk 0:10:42] } 20. Nxb7 { [%eval 3.84] [%clk 1:04:42] } 20... Qxb7 { [%eval 3.72] [%clk 0:11:07] } 21. Bb2 { [%eval 3.82] [%clk 1:03:20] } 21... Ned7 { [%eval 4.31] [%clk 0:10:09] } 22. Rd6 { [%eval 4.17] [%clk 1:02:07] } 22... Nd5?! { [%eval 5.5] } { Inaccuracy. Rc6 was best. } { [%clk 0:02:58] } 23. e4 { [%eval 4.5] [%clk 0:58:44] } 23... Ne7?! { [%eval 5.68] } { Inaccuracy. N5f6 was best. } { [%clk 0:01:04] } 24. Rad1 { [%eval 5.62] [%clk 0:58:46] } 24... Rc7 { [%eval 6.08] [%clk 0:01:03] } 25. Qd2 { [%eval 6.07] [%clk 0:58:27] } 25... f6 { [%eval 5.99] [%clk 0:00:49] } 26. Rxe6 { [%eval 5.7] [%clk 0:58:01] } 26... Kf7 { [%eval 6.25] [%clk 0:01:09] } 27. Qd6 { [%eval 5.52] [%clk 0:57:00] } 27... Nc8 { [%eval 6.0] [%clk 0:00:55] } 28. Qxa6 { [%eval 6.06] [%clk 0:56:34] } 28... Nb8?? { [%eval #13] } { Checkmate is now unavoidable. Qxa6 was best. } { [%clk 0:01:06] } 29. Rxf6+ { [%eval #12] [%clk 0:56:44] } 29... Ke8 { [%eval #12] [%clk 0:00:46] } 30. Bxb5+ { [%eval #11] [%clk 0:57:00] } 30... Nd7 { [%eval #11] [%clk 0:00:47] } 31. Qxb7? { [%eval 8.22] } { Lost forced checkmate sequence. Qe6+ was best. } { [%clk 0:56:16] } 31... Rxb7 { [%eval 8.82] [%clk 0:01:11] } 32. c6 { [%eval 8.83] [%clk 0:56:42] } 32... Rxb5 { [%eval 8.62] [%clk 0:00:42] } 33. cxd7+ { [%eval 8.64] [%clk 0:57:04] } 33... Ke7 { [%eval 8.8] [%clk 0:00:55] } 34. Rc6 { [%eval 8.73] [%clk 0:56:22] } 34... Na7 { [%eval 8.97] [%clk 0:01:01] } 35. Rc7 { [%eval 9.11] [%clk 0:56:46] } 35... Rd8 { [%eval 9.02] [%clk 0:01:03] } 36. Rxa7 { [%eval 9.09] [%clk 0:57:07] } 36... Rb6 { [%eval 9.09] [%clk 0:01:19] } 37. Bd4 { [%eval 9.22] [%clk 0:57:28] } 37... Rc6 { [%eval 9.51] [%clk 0:01:30] } 38. Bc5+ { [%eval 9.35] [%clk 0:57:54] } 38... Ke6 { [%eval 9.81] [%clk 0:01:52] } 39. Rb7 { [%eval 9.52] [%clk 0:58:14] } 39... Kf7 { [%eval 10.23] [%clk 0:01:59] } 40. Bb6 { [%eval 10.07] [%clk 0:58:29] } 40... Rxb6 { [%eval 9.79] [%clk 0:01:45] } 41. Rxb6 { [%eval #15] [%clk 0:58:53] } 41... Ke7 { [%eval #16] [%clk 0:01:58] } 42. Rc6 { [%eval #22] [%clk 0:59:15] } 42... g5 { [%eval #21] [%clk 0:02:18] } 43. Rc8 { [%eval #21] [%clk 0:59:40] } 43... Rxd7 { [%eval #10] [%clk 0:01:58] } 44. Rxd7+ { [%eval #9] [%clk 1:00:02] } 44... Kxd7 { [%eval #9] [%clk 0:02:27] } 45. Rc1 { [%eval #8] [%clk 1:00:22] } 45... h5 { [%eval #8] [%clk 0:02:53] } 46. b5 { [%eval #7] [%clk 1:00:47] } 46... g4 { [%eval #7] [%clk 0:03:20] } 47. b6 { [%eval #6] [%clk 1:01:08] } 47... gxf3 { [%eval #6] [%clk 0:03:47] } 48. b7 { [%eval #5] [%clk 1:01:33] } 48... h4 { [%eval #5] [%clk 0:04:05] } 49. b8=Q { [%eval #4] [%clk 1:01:57] } 49... f2+ { [%eval #4] [%clk 0:03:58] } 50. Kxf2 { [%eval #3] [%clk 1:02:20] } 50... h3 { [%eval #3] [%clk 0:04:26] } 51. Rc7+ { [%eval #3] [%clk 1:02:32] } 51... Kd6 { [%eval #3] [%clk 0:04:48] } 52. Qd8+ { [%eval #2] [%clk 1:02:57] } 52... Ke5 { [%eval #2] [%clk 0:05:14] } 53. Re7+ { [%eval #3] [%clk 1:03:20] } 53... Kf4 { [%eval #2] [%clk 0:05:40] } 54. Qf8+ { [%eval #2] [%clk 1:03:42] } 54... Kg5 { [%eval #2] [%clk 0:06:04] } 55. Rg7+ { [%eval #1] [%clk 1:04:06] } 55... Kh6 { [%eval #1] [%clk 0:06:24] } 56. Qh8# { [%clk 1:04:30] } 1-0