Event: 33rd Annual North American Open
Site: https://chessevents.com/event/northamerican/2023
Date: 2023-12-28
White: Yiding Lu
WhiteTitle: CM
WhiteElo: 2046
Black: Gunnar Andersen
BlackElo: 2157
Result: 1/2-1/2
ECO: B32
Opening: Sicilian Defense: Kalashnikov Variation
Variant: Standard

1. e4 { [%eval 0.2] } 1... c5 { [%eval 0.33] } 2. Nf3 { [%eval 0.17] } 2... Nc6 { [%eval 0.29] } 3. d4 { [%eval 0.33] } 3... cxd4 { [%eval 0.38] } 4. Nxd4 { [%eval 0.29] } 4... e5 { [%eval 0.36] } 5. Nb5 { [%eval 0.17] } 5... d6 { [%eval 0.47] } 6. N1c3 { [%eval 0.49] } 6... a6 { [%eval 0.0] } 7. Na3 { [%eval 0.43] } 7... Be6 { [%eval 0.71] } 8. Nc4 { [%eval 0.84] } 8... Rb8 { [%eval 0.75] } 9. Nd5 { [%eval 0.74] } 9... Bxd5 { [%eval 0.67] } 10. exd5 { [%eval 0.53] } 10... Nce7 { [%eval 0.81] } 11. a4 { [%eval 0.82] } 11... Nf6 { [%eval 0.84] } 12. g4 { [%eval 0.87] } 12... h6 { [%eval 0.7] } 13. h4 { [%eval 0.9] } 13... Ng6?! { [%eval 1.74] } { Inaccuracy. Qc7 was best. } 14. Be3 { [%eval 1.44] } 14... Be7 { [%eval 1.59] } 15. Bg2?? { [%eval -0.78] } { Blunder. a5 was best. } 15... Qc8 { [%eval -0.59] } 16. Ba7?? { [%eval -2.41] } { Blunder. Nb6 was best. } 16... Qxc4 { [%eval -2.52] } 17. Bxb8 { [%eval -2.89] [%clk 0:59:47] } 17... Nf4 { [%eval -2.94] [%clk 1:24:44] } 18. Qf3 { [%eval -3.66] [%clk 0:48:23] } 18... Qxc2?! { [%eval -2.82] } { Inaccuracy. O-O was best. } { [%clk 0:59:35] } 19. O-O?! { [%eval -3.7] } { Inaccuracy. Ba7 was best. } { [%clk 0:46:04] } 19... g5? { [%eval -2.0] } { Mistake. Qg6 was best. } { [%clk 0:59:39] } 20. Qd1?! { [%eval -2.69] } { Inaccuracy. Rfe1 was best. } { [%clk 0:33:29] } 20... Qc8 { [%eval -2.75] [%clk 0:50:39] } 21. Ba7 { [%eval -2.33] [%clk 0:23:03] } 21... gxh4 { [%eval -2.53] [%clk 0:50:57] } 22. Bf3?? { [%eval -5.48] } { Blunder. Rc1 was best. } { [%clk 0:23:32] } 22... Rg8?? { [%eval -1.9] } { Blunder. h5 was best. } { [%clk 0:38:56] } 23. Rc1 { [%eval -2.14] [%clk 0:16:26] } 23... Qf5 { [%eval -1.65] [%clk 0:38:48] } 24. Qc2 { [%eval -1.85] [%clk 0:13:45] } 24... Nh3+ { [%eval -1.81] [%clk 0:32:44] } 25. Kg2 { [%eval -1.66] [%clk 0:14:06] } 25... Rxg4+ { [%eval -1.34] [%clk 0:32:38] } 26. Bxg4 { [%eval -1.98] } 26... Qxg4+ { [%eval -2.05] [%clk 0:33:04] } 27. Kh2 { [%eval -1.67] [%clk 0:14:53] } 27... Qf4+ { [%eval -1.88] [%clk 0:31:15] } 28. Kg2 { [%eval -2.19] } 28... Qg4+ 29. Kh2 Qf4+ { [%clk 0:27:32] } 30. Kg2 { [%clk 0:15:30] } 1/2-1/2