Event: Round 2: Yanfeng An - Jon L Arnason
Date: 2023-09-20
White: Yanfeng An
WhiteTitle: WIM
WhiteElo: 2259
Black: Jon L Arnason
BlackTitle: GM
BlackElo: 2419
Result: 1/2-1/2
ECO: D25
Opening: Queen's Gambit Accepted: Normal Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:54] } 1... d5 { [%eval 0.27] [%clk 1:30:41] } 2. Nf3 { [%eval 0.28] [%clk 1:30:58] } 2... Nf6 { [%eval 0.25] [%clk 1:30:54] } 3. c4 { [%eval 0.16] [%clk 1:31:04] } 3... dxc4 { [%eval 0.32] [%clk 1:30:34] } 4. e3 { [%eval 0.27] [%clk 1:30:51] } 4... a6 { [%eval 0.34] [%clk 1:30:31] } 5. a4 { [%eval 0.19] [%clk 1:30:52] } 5... e6 { [%eval 0.27] [%clk 1:25:48] } 6. Bxc4 { [%eval 0.15] [%clk 1:31:03] } 6... b6 { [%eval 0.37] [%clk 1:25:53] } 7. O-O { [%eval 0.22] [%clk 1:30:00] } 7... Bb7 { [%eval 0.19] [%clk 1:26:19] } 8. Nc3 { [%eval 0.44] [%clk 1:29:20] } 8... Nbd7?! { [%eval 1.05] } { Inaccuracy. Bb4 was best. } { [%clk 1:24:36] } 9. Qe2?! { [%eval 0.23] } { Inaccuracy. e4 was best. } { [%clk 1:28:19] } 9... c5 { [%eval 0.26] [%clk 1:22:41] } 10. Rd1 { [%eval 0.61] [%clk 1:20:27] } 10... Qc7 { [%eval 0.19] [%clk 1:18:03] } 11. d5 { [%eval 0.2] [%clk 1:00:45] } 11... exd5 { [%eval 0.29] [%clk 1:14:58] } 12. Nxd5 { [%eval 0.42] [%clk 1:01:13] } 12... Nxd5?! { [%eval 1.09] } { Inaccuracy. Bxd5 was best. } { [%clk 1:15:16] } 13. Bxd5?! { [%eval 0.18] } { Inaccuracy. e4 was best. } { [%clk 1:01:37] } 13... Bxd5 { [%eval 0.12] [%clk 1:14:56] } 14. Rxd5 { [%eval 0.23] [%clk 1:02:04] } 14... Be7 { [%eval 0.25] [%clk 1:14:26] } 15. e4 { [%eval 0.01] [%clk 0:53:56] } 15... O-O { [%eval 0.08] [%clk 1:09:11] } 16. Rd1 { [%eval -0.33] [%clk 0:42:37] } 16... Rfe8 { [%eval -0.17] [%clk 1:05:23] } 17. Qc4 { [%eval -0.23] [%clk 0:36:38] } 17... Bf6 { [%eval -0.62] [%clk 1:00:30] } 18. Ra3 { [%eval -0.5] [%clk 0:35:50] } 18... Nf8 { [%eval -0.39] [%clk 0:42:52] } 19. Re3 { [%eval -0.72] [%clk 0:32:20] } 19... Qc6 { [%eval -0.36] [%clk 0:39:34] } 20. e5 { [%eval -0.53] [%clk 0:32:23] } 20... b5?! { [%eval 0.13] } { Inaccuracy. Be7 was best. } { [%clk 0:38:51] } 21. Qc2 { [%eval 0.3] [%clk 0:27:49] } 21... Bd8 { [%eval 0.2] [%clk 0:28:04] } 22. Nd4 { [%eval 0.0] [%clk 0:27:20] } 22... Qc7 { [%eval -0.12] [%clk 0:26:46] } 23. Rc3 { [%eval -0.12] [%clk 0:24:20] } 23... Be7 { [%eval -0.1] [%clk 0:19:37] } 24. axb5 { [%eval 0.0] [%clk 0:17:42] } 24... axb5 { [%eval 0.0] [%clk 0:19:50] } 25. Nxb5 { [%eval -0.01] [%clk 0:18:10] } 25... Qxe5 { [%eval 0.0] [%clk 0:19:52] } 26. g3 { [%eval -0.12] [%clk 0:10:11] } 26... Ne6 { [%eval -0.12] [%clk 0:18:55] } 27. f4?! { [%eval -1.03] } { Inaccuracy. Re3 was best. } { [%clk 0:09:03] } 27... Qb8 { [%eval -0.96] [%clk 0:16:38] } 28. Rb3 { [%eval -1.04] [%clk 0:08:38] } 28... c4?! { [%eval 0.0] } { Inaccuracy. Qc8 was best. } { [%clk 0:10:42] } 29. Qxc4 { [%eval -0.09] [%clk 0:09:06] } 29... Rc8 { [%eval -0.12] [%clk 0:11:05] } 30. Qe2 { [%eval 0.0] [%clk 0:09:21] } 30... Ra1 { [%eval 0.0] [%clk 0:09:50] } 31. Be3 { [%eval 0.0] [%clk 0:09:50] } 31... Rxd1+ { [%eval 0.0] [%clk 0:09:04] } 32. Qxd1 { [%eval 0.0] [%clk 0:10:18] } 32... Nc5 { [%eval 0.0] [%clk 0:09:14] } 33. Bxc5 { [%eval 0.0] [%clk 0:10:30] } 33... Bxc5+ { [%eval 0.0] [%clk 0:09:36] } 34. Kg2 { [%eval 0.0] [%clk 0:10:52] } 34... Rd8 { [%eval 0.0] [%clk 0:07:49] } 35. Rd3 { [%eval 0.0] [%clk 0:11:21] } 35... Qb7+ { [%eval 0.0] [%clk 0:07:56] } 36. Kh3 { [%eval 0.0] [%clk 0:11:42] } 36... Qc8+ { [%eval 0.0] [%clk 0:06:35] } 37. Kg2 { [%eval 0.0] [%clk 0:11:21] } 37... Qb7+ { [%eval 0.0] [%clk 0:06:58] } 1/2-1/2