Event: Round 2: Margeir Petursson - Yun Guo
Date: 2023-09-20
White: Margeir Petursson
WhiteTitle: GM
WhiteElo: 2396
Black: Yun Guo
BlackTitle: WFM
BlackElo: 2244
Result: 1-0
ECO: A41
Opening: Wade Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... d6?! { [%eval 0.66] } { Inaccuracy. Nf6 was best. } { [%clk 1:30:55] } 2. Nf3 { [%eval 0.55] [%clk 1:30:58] } 2... Bg4 { [%eval 0.86] [%clk 1:31:01] } 3. c4 { [%eval 0.94] [%clk 1:28:16] } 3... Nd7 { [%eval 0.89] [%clk 1:31:25] } 4. Nc3 { [%eval 0.85] [%clk 1:25:48] } 4... e5 { [%eval 0.95] [%clk 1:28:39] } 5. e3 { [%eval 0.7] [%clk 1:19:28] } 5... Ngf6 { [%eval 0.89] [%clk 1:25:45] } 6. Be2 { [%eval 0.62] [%clk 1:19:02] } 6... c6 { [%eval 0.9] [%clk 1:24:03] } 7. O-O { [%eval 0.71] [%clk 1:11:19] } 7... Be7 { [%eval 0.8] [%clk 1:24:30] } 8. e4 { [%eval 0.47] [%clk 1:07:26] } 8... O-O { [%eval 0.61] [%clk 1:19:23] } 9. Be3 { [%eval 0.5] [%clk 1:00:05] } 9... Qc7 { [%eval 0.82] [%clk 1:17:21] } 10. Rc1 { [%eval 0.57] [%clk 0:58:02] } 10... Rfe8 { [%eval 0.76] [%clk 1:16:52] } 11. d5 { [%eval 0.74] [%clk 0:54:41] } 11... c5 { [%eval 1.24] [%clk 1:12:32] } 12. Ne1 { [%eval 1.23] [%clk 0:50:50] } 12... Bxe2 { [%eval 1.22] [%clk 1:12:53] } 13. Qxe2 { [%eval 1.25] [%clk 0:51:15] } 13... Bf8 { [%eval 1.66] [%clk 1:07:24] } 14. Nd3 { [%eval 1.53] [%clk 0:51:07] } 14... g6 { [%eval 1.4] [%clk 1:02:30] } 15. h3 { [%eval 1.35] [%clk 0:39:43] } 15... a6 { [%eval 1.27] [%clk 1:02:46] } 16. Rb1 { [%eval 1.28] [%clk 0:39:25] } 16... Bg7 { [%eval 1.31] [%clk 1:02:37] } 17. Rfc1 { [%eval 1.25] [%clk 0:38:43] } 17... Rf8 { [%eval 1.32] [%clk 1:00:54] } 18. b4 { [%eval 1.16] [%clk 0:36:05] } 18... b6 { [%eval 1.43] [%clk 0:56:52] } 19. a4 { [%eval 1.4] [%clk 0:33:41] } 19... Ne8? { [%eval 2.82] } { Mistake. Rfb8 was best. } { [%clk 0:50:24] } 20. a5 { [%eval 2.85] [%clk 0:32:42] } 20... bxa5?! { [%eval 4.08] } { Inaccuracy. f5 was best. } { [%clk 0:50:02] } 21. bxc5 { [%eval 3.95] [%clk 0:32:36] } 21... dxc5 { [%eval 3.96] [%clk 0:33:56] } 22. Na4 { [%eval 3.78] [%clk 0:32:53] } 22... f5?! { [%eval 4.74] } { Inaccuracy. Rb8 was best. } { [%clk 0:23:30] } 23. Ndxc5 { [%eval 4.68] [%clk 0:31:43] } 23... f4 { [%eval 4.85] [%clk 0:22:52] } 24. Ne6 { [%eval 4.82] [%clk 0:25:21] } 24... Qc8 { [%eval 5.41] [%clk 0:20:14] } 25. Nxf8 { [%eval 4.79] [%clk 0:22:54] } 25... Bxf8 { [%eval 5.0] [%clk 0:19:28] } 26. Bd2 { [%eval 4.74] [%clk 0:19:21] } 26... Ba3 { [%eval 4.92] [%clk 0:18:24] } 27. Rc2 { [%eval 4.94] [%clk 0:16:57] } 27... Rb8 { [%eval 3.95] [%clk 0:18:52] } 28. Ra1 { [%eval 4.13] [%clk 0:15:27] } 28... Bb4 { [%eval 4.76] [%clk 0:19:14] } 29. c5 { [%eval 5.1] [%clk 0:15:10] } 29... Nxc5 { [%eval 5.7] [%clk 0:18:17] } 30. Bxb4 { [%eval 5.67] [%clk 0:15:07] } 30... axb4 { [%eval 5.84] [%clk 0:18:31] } 31. Nxc5 { [%eval 5.74] [%clk 0:12:41] } 31... f3 { [%eval 6.56] [%clk 0:18:00] } 32. Qxf3 { [%eval 6.65] [%clk 0:12:08] } 32... b3 { [%eval 9.25] [%clk 0:18:27] } 33. Ne6 { [%eval 9.43] [%clk 0:12:10] } 33... Qxe6 { [%eval 8.84] [%clk 0:17:56] } 34. dxe6 { [%eval 9.34] [%clk 0:12:31] } 34... bxc2? { [%eval #2] } { Checkmate is now unavoidable. Kg7 was best. } { [%clk 0:18:19] } 35. Qf7+ { [%eval #1] [%clk 0:12:53] } 1-0