Event: Round 1: Nathan Yan - Joshua Sheng
Date: 2023-09-01
White: Nathan Yan
WhiteElo: 2129
Black: Joshua Sheng
BlackTitle: GM
BlackElo: 2447
Result: 0-1
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:17:25] } 1... c5 { [%eval 0.32] [%clk 1:30:57] } 2. Nf3 { [%eval 0.0] [%clk 1:17:34] } 2... e6 { [%eval 0.34] [%clk 1:31:25] } 3. d4 { [%eval 0.42] [%clk 1:17:48] } 3... cxd4 { [%eval 0.33] [%clk 1:31:54] } 4. Nxd4 { [%eval 0.4] [%clk 1:17:51] } 4... a6 { [%eval 0.58] [%clk 1:32:18] } 5. Bd3 { [%eval 0.42] [%clk 1:18:13] } 5... Bc5 { [%eval 0.52] [%clk 1:32:39] } 6. Nb3 { [%eval 0.52] [%clk 1:18:37] } 6... Ba7 { [%eval 0.63] [%clk 1:32:58] } 7. Qg4 { [%eval 0.21] [%clk 1:18:34] } 7... Nf6 { [%eval 0.48] [%clk 1:33:24] } 8. Qg3 { [%eval 0.43] [%clk 1:18:55] } 8... d6 { [%eval 0.44] [%clk 1:33:00] } 9. O-O { [%eval 0.2] [%clk 1:17:49] } 9... Nc6 { [%eval 0.11] [%clk 1:20:53] } 10. Nc3 { [%eval 0.04] [%clk 1:11:51] } 10... Ne5 { [%eval 0.32] [%clk 1:15:18] } 11. Bd2?! { [%eval -0.27] } { Inaccuracy. Be2 was best. } { [%clk 1:05:14] } 11... O-O { [%eval -0.07] [%clk 1:13:05] } 12. Rad1 { [%eval -0.29] [%clk 1:04:41] } 12... b5 { [%eval -0.34] [%clk 1:11:12] } 13. Bg5 { [%eval -0.21] [%clk 0:59:15] } 13... Bb7 { [%eval -0.37] [%clk 1:06:50] } 14. Kh1 { [%eval -0.34] [%clk 0:59:06] } 14... b4?! { [%eval 0.28] } { Inaccuracy. Nh5 was best. } { [%clk 0:52:53] } 15. Ne2 { [%eval 0.27] [%clk 0:52:37] } 15... Ng6?! { [%eval 0.99] } { Inaccuracy. Nh5 was best. } { [%clk 0:47:26] } 16. Nf4?! { [%eval 0.14] } { Inaccuracy. f4 was best. } { [%clk 0:49:20] } 16... Bb8 { [%eval 0.35] [%clk 0:36:18] } 17. Nxg6 { [%eval 0.56] [%clk 0:48:40] } 17... fxg6 { [%eval 0.35] [%clk 0:33:44] } 18. e5 { [%eval -0.17] [%clk 0:43:50] } 18... dxe5 { [%eval -0.17] [%clk 0:33:51] } 19. Bxa6 { [%eval -0.4] [%clk 0:43:56] } 19... Bd5 { [%eval -0.46] [%clk 0:33:57] } 20. Bc4?! { [%eval -1.26] } { Inaccuracy. Bb7 was best. } { [%clk 0:37:35] } 20... Qc7 { [%eval -1.42] [%clk 0:28:59] } 21. Bxd5 { [%eval -1.41] [%clk 0:36:44] } 21... Nxd5 { [%eval -1.48] [%clk 0:29:00] } 22. Qg4 { [%eval -1.46] [%clk 0:35:42] } 22... Rf5 { [%eval -1.58] [%clk 0:28:12] } 23. Ra1?! { [%eval -2.6] } { Inaccuracy. Bh4 was best. } { [%clk 0:31:52] } 23... h5?! { [%eval -1.94] } { Inaccuracy. e4 was best. } { [%clk 0:23:55] } 24. Qh4 { [%eval -1.96] [%clk 0:30:51] } 24... Qxc2?! { [%eval -1.27] } { Inaccuracy. Ba7 was best. } { [%clk 0:24:20] } 25. Rac1 { [%eval -1.26] [%clk 0:30:07] } 25... Qe2 { [%eval -1.48] [%clk 0:21:46] } 26. Nc5?! { [%eval -2.28] } { Inaccuracy. Rfe1 was best. } { [%clk 0:27:02] } 26... Ba7 { [%eval -2.29] [%clk 0:16:46] } 27. Nxe6?! { [%eval -3.19] } { Inaccuracy. Ne4 was best. } { [%clk 0:26:22] } 27... Re8 { [%eval -3.39] [%clk 0:15:37] } 28. Rce1?! { [%eval -4.37] } { Inaccuracy. Rfe1 was best. } { [%clk 0:25:16] } 28... Rxf2?? { [%eval -1.95] } { Blunder. Qa6 was best. } { [%clk 0:15:01] } 29. Qxf2 { [%eval -1.81] [%clk 0:25:29] } 29... Qxf2 { [%eval -1.97] [%clk 0:15:25] } 30. Rxf2 { [%eval -1.74] [%clk 0:25:52] } 30... Bxf2 { [%eval -1.78] [%clk 0:15:53] } 31. Rxe5?? { [%eval -4.04] } { Blunder. Re2 was best. } { [%clk 0:25:30] } 31... Nc7 { [%eval -4.16] [%clk 0:16:22] } 0-1