Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: https://lichess.org/broadcast/boyi-cup--international-youth-open-2025--group-b/round-9/iARMilmk/8uq5MR4U
White: Li, Chengyu
WhiteElo: 1713
Black: Sun, Yuxiao
BlackElo: 0
Result: 1-0
ECO: D78
Opening: Neo-Grünfeld Defense: Classical Variation, Original Defense
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:59] } 1... Nf6 { [%eval 0.19] [%clk 1:00:57] } 2. c4 { [%eval 0.18] [%clk 1:01:25] } 2... g6 { [%eval 0.28] [%clk 1:01:22] } 3. g3 { [%eval 0.1] [%clk 1:01:53] } 3... Bg7 { [%eval 0.29] [%clk 1:01:46] } 4. Bg2 { [%eval 0.28] [%clk 1:02:20] } 4... O-O { [%eval 0.35] [%clk 1:02:04] } 5. Nf3 { [%eval 0.1] [%clk 1:02:46] } 5... c6 { [%eval 0.17] [%clk 1:02:06] } 6. O-O { [%eval 0.07] [%clk 1:03:10] } 6... d5 { [%eval 0.1] [%clk 1:02:34] } 7. Nbd2 { [%eval 0.0] [%clk 1:03:27] } 7... Be6 { [%eval 0.2] [%clk 1:02:46] } 8. Ng5 { [%eval -0.08] [%clk 1:03:37] } 8... Bf5 { [%eval -0.13] [%clk 1:03:07] } 9. Qb3 { [%eval -0.32] [%clk 1:03:32] } 9... h6 { [%eval -0.24] [%clk 1:02:08] } 10. Ngf3 { [%eval -0.2] [%clk 1:03:53] } 10... Qb6 { [%eval -0.22] [%clk 1:02:22] } 11. Qxb6 { [%eval -0.4] [%clk 1:02:40] } 11... axb6 { [%eval -0.28] [%clk 1:02:45] } 12. cxd5 { [%eval -0.44] [%clk 1:02:47] } 12... cxd5 { [%eval -0.41] [%clk 1:02:44] } 13. Nb3 { [%eval -0.38] [%clk 1:02:27] } 13... Bc2 { [%eval -0.1] [%clk 1:03:03] } 14. Bf4 { [%eval -0.24] [%clk 1:02:25] } 14... Nc6 { [%eval -0.3] [%clk 1:03:18] } 15. Bc7?! { [%eval -1.41] } { Inaccuracy. Bd2 was best. } { [%clk 1:02:41] } 15... Bxb3?! { [%eval -0.71] } { Inaccuracy. Rfc8 was best. } { [%clk 1:03:24] } 16. axb3 { [%eval -0.63] [%clk 1:02:52] } 16... b5?! { [%eval -0.02] } { Inaccuracy. Rxa1 was best. } { [%clk 1:03:41] } 17. e3 { [%eval -0.15] [%clk 1:02:26] } 17... Rfc8 { [%eval -0.2] [%clk 1:03:22] } 18. Bb6?? { [%eval -1.96] } { Blunder. Rxa8 was best. } { [%clk 1:01:47] } 18... Rxa1 { [%eval -1.86] [%clk 1:03:01] } 19. Rxa1 { [%eval -1.89] [%clk 1:02:09] } 19... Nd7 { [%eval -1.95] [%clk 1:03:27] } 20. Ba5 { [%eval -1.84] [%clk 1:00:19] } 20... Ra8 { [%eval -1.93] [%clk 1:03:45] } 21. b4 { [%eval -1.85] [%clk 1:00:05] } 21... b6 { [%eval -2.02] [%clk 1:02:29] } 22. Rc1 { [%eval -1.44] [%clk 1:00:23] } 22... Rc8 { [%eval -1.31] [%clk 1:02:40] } 23. Bf1?! { [%eval -2.06] } { Inaccuracy. Bh3 was best. } { [%clk 0:57:08] } 23... Na7 { [%eval -2.25] [%clk 1:00:45] } 24. Rxc8+ { [%eval -2.39] [%clk 0:57:30] } 24... Nxc8 { [%eval -2.51] [%clk 1:01:12] } 25. Bxb5 { [%eval -2.3] [%clk 0:57:56] } 25... Nb8 { [%eval -2.21] [%clk 1:01:38] } 26. Ba4 { [%eval -2.54] [%clk 0:56:17] } 26... bxa5 { [%eval -2.09] [%clk 1:02:00] } 27. bxa5 { [%eval -2.03] [%clk 0:56:45] } 27... e6 { [%eval -2.08] [%clk 1:02:00] } 28. b4 { [%eval -2.11] [%clk 0:56:58] } 28... Bf8 { [%eval -2.16] [%clk 1:02:24] } 29. b5 { [%eval -1.96] [%clk 0:57:13] } 29... Bb4 { [%eval -1.99] [%clk 1:02:29] } 30. a6 { [%eval -2.18] [%clk 0:57:38] } 30... Nd7 { [%eval -2.11] [%clk 1:02:47] } 31. Bc2 { [%eval -2.0] [%clk 0:55:32] } 31... f6? { [%eval -0.31] } { Mistake. Kf8 was best. } { [%clk 1:03:02] } 32. Bxg6 { [%eval -0.29] [%clk 0:55:08] } 32... Kf8 { [%eval 0.0] [%clk 1:02:43] } 33. Bd3 { [%eval -0.02] [%clk 0:54:14] } 33... Ndb6 { [%eval 0.01] [%clk 1:03:07] } 34. e4 { [%eval -0.4] [%clk 0:52:08] } 34... Nc4 { [%eval 0.11] [%clk 1:03:24] } 35. exd5 { [%eval 0.0] [%clk 0:50:50] } 35... exd5 { [%eval 0.0] [%clk 1:03:47] } 36. Nh4 { [%eval 0.0] [%clk 0:51:02] } 36... Ke8 { [%eval 0.36] [%clk 0:59:50] } 37. Nf5 { [%eval 0.67] [%clk 0:51:13] } 37... Bf8?? { [%eval 2.93] } { Blunder. Bc3 was best. } { [%clk 0:59:55] } 38. Ne3?? { [%eval 0.08] } { Blunder. Bxc4 was best. } { [%clk 0:50:33] } 38... Nxe3 { [%eval 0.13] [%clk 0:59:49] } 39. fxe3 { [%eval 0.14] [%clk 0:50:54] } 39... Kd8 { [%eval 0.16] [%clk 1:00:03] } 40. e4 { [%eval 0.02] [%clk 0:51:12] } 40... dxe4 { [%eval 0.13] [%clk 1:00:24] } 41. Bxe4 { [%eval 0.09] [%clk 0:51:40] } 41... Kc7 { [%eval 0.17] [%clk 1:00:46] } 42. Kf2 { [%eval 0.08] [%clk 0:51:39] } 42... Kb6 { [%eval 0.14] [%clk 1:00:25] } 43. Bd3 { [%eval 0.0] [%clk 0:51:47] } 43... Bd6 { [%eval 0.0] [%clk 0:56:33] } 44. Kf3 { [%eval 0.04] [%clk 0:52:13] } 44... h5 { [%eval 0.01] [%clk 0:56:53] } 45. Kg2 { [%eval 0.0] [%clk 0:51:22] } 45... Ka5 { [%eval 0.11] [%clk 0:56:49] } 46. Kh3 { [%eval 0.23] [%clk 0:51:15] } 46... Kb4?? { [%eval 2.65] } { Blunder. f5 was best. } { [%clk 0:57:14] } 47. Kh4 { [%eval 2.51] [%clk 0:51:03] } 47... Kc3?! { [%eval 3.55] } { Inaccuracy. Bb8 was best. } { [%clk 0:57:36] } 48. Be4 { [%eval 3.06] [%clk 0:51:16] } 48... Bb8?! { [%eval 4.7] } { Inaccuracy. Bc7 was best. } { [%clk 0:55:43] } 49. Bb7 { [%eval 4.16] [%clk 0:51:16] } 49... Nd6? { [%eval 7.28] } { Mistake. Nb6 was best. } { [%clk 0:53:24] } 50. b6 { [%eval 6.87] [%clk 0:51:37] } 50... Nxb7 { [%eval 8.75] [%clk 0:53:48] } 51. a7 { [%eval 8.09] [%clk 0:51:58] } 1-0