Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: Daqing, China
Date: 2025-07-31
White: Ding, Zhien
WhiteElo: 0
Black: Ren, Yibai
BlackElo: 1995
Result: 0-1
ECO: B56
Opening: Sicilian Defense: Classical Variation
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:59] } 1... c5 { [%eval 0.25] [%clk 1:00:36] } 2. Nf3 { [%eval 0.2] [%clk 1:01:21] } 2... Nc6 { [%eval 0.3] [%clk 1:00:45] } 3. d4 { [%eval 0.27] [%clk 1:01:41] } 3... cxd4 { [%eval 0.27] [%clk 1:01:02] } 4. Nxd4 { [%eval 0.21] [%clk 1:02:03] } 4... Nf6 { [%eval 0.19] [%clk 1:01:20] } 5. Nc3 { [%eval 0.26] [%clk 1:02:24] } 5... d6 { [%eval 0.3] [%clk 1:01:36] } 6. Bb5 { [%eval 0.26] [%clk 1:02:18] } 6... Bd7 { [%eval 0.3] [%clk 1:01:58] } 7. Bxc6?! { [%eval -0.26] } { Inaccuracy. Bg5 was best. } { [%clk 1:01:50] } 7... bxc6 { [%eval -0.2] [%clk 1:01:34] } 8. Bg5 { [%eval -0.53] [%clk 1:01:22] } 8... e6 { [%eval -0.06] [%clk 1:00:59] } 9. Qf3 { [%eval 0.0] [%clk 1:01:19] } 9... Be7 { [%eval 0.4] [%clk 0:57:00] } 10. e5 { [%eval 0.47] [%clk 0:59:04] } 10... Nd5 { [%eval 1.02] [%clk 0:56:13] } 11. Bxe7 { [%eval 0.92] [%clk 0:58:42] } 11... Qxe7 { [%eval 0.86] [%clk 0:56:02] } 12. exd6?! { [%eval 0.29] } { Inaccuracy. Qg3 was best. } { [%clk 0:58:41] } 12... Qxd6 { [%eval 0.27] [%clk 0:56:31] } 13. a3 { [%eval 0.01] [%clk 0:57:41] } 13... O-O { [%eval 0.15] [%clk 0:54:14] } 14. O-O { [%eval -0.14] [%clk 0:57:50] } 14... c5 { [%eval 0.25] [%clk 0:53:40] } 15. Ndb5?! { [%eval -0.47] } { Inaccuracy. Nf5 was best. } { [%clk 0:57:27] } 15... Bxb5 { [%eval -0.05] [%clk 0:52:26] } 16. Nxb5 { [%eval -0.1] [%clk 0:57:43] } 16... Qb6 { [%eval -0.08] [%clk 0:52:49] } 17. c4 { [%eval -0.15] [%clk 0:57:05] } 17... Ne7 { [%eval -0.16] [%clk 0:50:56] } 18. Rab1 { [%eval -0.22] [%clk 0:56:23] } 18... Rad8 { [%eval -0.18] [%clk 0:45:53] } 19. Qg3?! { [%eval -0.75] } { Inaccuracy. b4 was best. } { [%clk 0:54:40] } 19... a6 { [%eval -0.73] [%clk 0:44:09] } 20. Nc3 { [%eval -0.62] [%clk 0:54:06] } 20... Rd4 { [%eval -0.69] [%clk 0:39:33] } 21. b3 { [%eval -0.67] [%clk 0:53:20] } 21... Ng6?! { [%eval -0.12] } { Inaccuracy. Rfd8 was best. } { [%clk 0:35:25] } 22. Na4?! { [%eval -0.79] } { Inaccuracy. Ne2 was best. } { [%clk 0:52:32] } 22... Qc6 { [%eval -0.68] [%clk 0:35:20] } 23. Rfd1 { [%eval -0.67] [%clk 0:51:57] } 23... Rfd8 { [%eval -0.68] [%clk 0:35:13] } 24. Rxd4 { [%eval -0.67] [%clk 0:51:55] } 24... cxd4 { [%eval -0.71] [%clk 0:35:26] } 25. Qg5?! { [%eval -1.47] } { Inaccuracy. Qf3 was best. } { [%clk 0:50:59] } 25... Rb8 { [%eval -1.29] [%clk 0:34:36] } 26. Qc5?? { [%eval -4.8] } { Blunder. f3 was best. } { [%clk 0:50:53] } 26... Qxa4 { [%eval -4.72] [%clk 0:34:38] } 27. Qxd4 { [%eval -4.77] [%clk 0:50:08] } 27... Rxb3 { [%eval -4.86] [%clk 0:34:11] } 28. Rxb3 { [%eval -4.78] [%clk 0:50:23] } 28... Qxb3 { [%eval -4.62] [%clk 0:34:32] } 29. g3 { [%eval -4.76] [%clk 0:50:23] } 29... h6 { [%eval -4.58] [%clk 0:34:43] } 30. c5 { [%eval -5.31] [%clk 0:49:27] } 30... Qd5 { [%eval -5.31] [%clk 0:34:48] } 31. Qb4 { [%eval -5.36] [%clk 0:48:36] } 31... Ne5 { [%eval -5.48] [%clk 0:34:05] } 32. Qc3 { [%eval -5.52] [%clk 0:46:32] } 32... Nf3+ { [%eval -5.35] [%clk 0:34:04] } 33. Kg2?! { [%eval -7.56] } { Inaccuracy. Kf1 was best. } { [%clk 0:46:42] } 33... Nd2+?! { [%eval -5.4] } { Inaccuracy. Nd4+ was best. } { [%clk 0:33:45] } 34. Kg1 { [%eval -5.77] [%clk 0:46:39] } 34... Ne4 { [%eval -5.72] [%clk 0:34:04] } 35. Qf3 { [%eval -5.83] [%clk 0:46:02] } 35... Nxc5 { [%eval -5.72] [%clk 0:34:12] } 36. Qxd5?! { [%eval -8.25] } { Inaccuracy. Qe3 was best. } { [%clk 0:46:15] } 36... exd5 { [%eval -7.05] [%clk 0:34:41] } 37. Kf1 { [%eval -8.06] [%clk 0:46:20] } 37... Kf8 { [%eval -8.1] [%clk 0:35:05] } 38. Ke2 { [%eval -8.03] [%clk 0:46:41] } 38... d4 { [%eval -8.31] [%clk 0:35:26] } 39. Kd2 { [%eval -8.34] [%clk 0:46:58] } 39... Ke7 { [%eval -7.85] [%clk 0:35:52] } 40. a4 { [%eval -9.18] [%clk 0:46:53] } 40... a5 { [%eval -8.62] [%clk 0:36:13] } 41. f3 { [%eval -10.28] [%clk 0:47:15] } 41... Kd6 { [%eval -9.16] [%clk 0:36:41] } 42. f4 { [%eval -10.49] [%clk 0:47:33] } 42... Nxa4 { [%eval -9.45] [%clk 0:37:07] } 43. Kd3 { [%eval -10.42] [%clk 0:46:24] } 43... Kd5 { [%eval -15.58] [%clk 0:37:34] } 44. h3?! { [%eval #-11] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:46:16] } 44... Nc5+ { [%eval #-10] [%clk 0:37:58] } 45. Kd2 { [%eval #-10] [%clk 0:46:16] } 45... a4 { [%eval #-9] [%clk 0:38:26] } 46. g4 { [%eval #-9] [%clk 0:45:54] } 46... a3 { [%eval #-8] [%clk 0:38:55] } 47. Kc2 { [%eval #-8] [%clk 0:46:17] } 47... d3+ { [%eval #-7] [%clk 0:39:21] } 48. Kd2 { [%eval #-6] [%clk 0:46:36] } 48... a2 { [%eval #-5] [%clk 0:39:48] } 49. f5 { [%eval #-4] [%clk 0:46:46] } 49... a1=Q { [%eval #-3] [%clk 0:40:03] } 50. h4 { [%eval #-2] [%clk 0:46:56] } 50... Kd4 { [%eval #-1] [%clk 0:40:13] } 51. f6 { [%clk 0:46:54] } 51... Ne4# { [%clk 0:40:38] } 0-1