Event: Round 7: David Arenas - Nathan Yan
Date: 2023-10-14
White: David Arenas
WhiteTitle: GM
Black: Nathan Yan
Result: 1/2-1/2
ECO: C78
Opening: Ruy Lopez: Morphy Defense, Arkhangelsk Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:19:23] } 1... e5 { [%eval 0.35] [%clk 1:30:25] } 2. Nf3 { [%eval 0.29] [%clk 1:19:30] } 2... Nc6 { [%eval 0.32] [%clk 1:30:49] } 3. Bb5 { [%eval 0.34] [%clk 1:19:50] } 3... a6 { [%eval 0.38] [%clk 1:31:13] } 4. Ba4 { [%eval 0.31] [%clk 1:20:14] } 4... Nf6 { [%eval 0.37] [%clk 1:31:36] } 5. O-O { [%eval 0.24] [%clk 1:20:36] } 5... b5 { [%eval 0.37] [%clk 1:31:50] } 6. Bb3 { [%eval 0.27] [%clk 1:21:05] } 6... Bb7 { [%eval 0.39] [%clk 1:32:10] } 7. Re1 { [%eval 0.38] [%clk 1:20:09] } 7... Bc5 { [%eval 0.47] [%clk 1:31:58] } 8. c3 { [%eval 0.39] [%clk 1:19:44] } 8... d6 { [%eval 0.46] [%clk 1:32:19] } 9. d3 { [%eval 0.43] [%clk 1:17:53] } 9... h6 { [%eval 0.47] [%clk 1:31:34] } 10. Be3?! { [%eval -0.1] } { Inaccuracy. Nbd2 was best. } { [%clk 1:14:33] } 10... Bxe3 { [%eval -0.03] [%clk 1:31:43] } 11. Rxe3 { [%eval -0.07] [%clk 1:14:12] } 11... O-O { [%eval -0.15] [%clk 1:32:07] } 12. Nbd2 { [%eval -0.14] [%clk 1:13:49] } 12... Na5 { [%eval 0.08] [%clk 1:29:22] } 13. Bc2 { [%eval 0.04] [%clk 1:13:21] } 13... c5 { [%eval 0.12] [%clk 1:29:44] } 14. d4 { [%eval 0.05] [%clk 1:11:06] } 14... Nc6 { [%eval 0.12] [%clk 1:24:37] } 15. d5 { [%eval 0.17] [%clk 1:04:51] } 15... Nb8 { [%eval 0.46] [%clk 1:21:18] } 16. Nf1 { [%eval 0.35] [%clk 1:03:05] } 16... Nbd7 { [%eval 0.25] } 17. Ng3 { [%eval 0.11] } 17... g6 { [%eval 0.07] } 18. Nh4?? { [%eval -1.67] } { Blunder. h3 was best. } 18... Kh7? { [%eval -0.18] } { Mistake. Nxd5 was best. } 19. Nf3 { [%eval -0.12] } 1/2-1/2