Event: Round 5: Yun Guo - Lars F Olsson
Date: 2023-09-23
White: Yun Guo
WhiteTitle: WFM
WhiteElo: 2244
Black: Lars F Olsson
BlackElo: 1906
Result: 1/2-1/2
ECO: B20
Opening: Sicilian Defense: Staunton-Cochrane Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:48] } 2. c4 { [%eval 0.0] [%clk 1:31:22] } 2... e6 { [%eval 0.15] [%clk 1:30:35] } 3. Nc3 { [%eval -0.01] [%clk 1:31:45] } 3... Nc6 { [%eval 0.0] [%clk 1:30:48] } 4. g3 { [%eval 0.0] [%clk 1:31:59] } 4... Nge7 { [%eval 0.0] [%clk 1:29:33] } 5. Bg2 { [%eval -0.01] [%clk 1:32:22] } 5... d6 { [%eval 0.0] [%clk 1:29:23] } 6. Nge2 { [%eval 0.11] [%clk 1:32:37] } 6... Nd4 { [%eval 0.12] [%clk 1:28:50] } 7. d3 { [%eval 0.07] [%clk 1:30:23] } 7... Nec6 { [%eval 0.06] [%clk 1:28:39] } 8. a3 { [%eval 0.17] [%clk 1:30:24] } 8... Be7 { [%eval 0.05] [%clk 1:27:53] } 9. Rb1 { [%eval 0.26] [%clk 1:30:16] } 9... Nxe2 { [%eval 0.33] [%clk 1:23:09] } 10. Nxe2 { [%eval 0.29] [%clk 1:29:15] } 10... Bf6 { [%eval 0.68] [%clk 1:12:44] } 11. O-O { [%eval 0.42] [%clk 1:26:53] } 11... O-O { [%eval 0.63] [%clk 1:11:19] } 12. f4 { [%eval 0.36] [%clk 1:22:36] } 12... Bd7 { [%eval 0.29] [%clk 1:05:31] } 13. Be3 { [%eval 0.35] [%clk 1:09:14] } 13... Nd4 { [%eval 0.46] [%clk 0:54:54] } 14. b4 { [%eval 0.44] [%clk 1:07:33] } 14... b6 { [%eval 0.81] [%clk 0:52:36] } 15. g4 { [%eval 0.34] [%clk 0:52:55] } 15... Ba4 { [%eval 0.88] [%clk 0:35:33] } 16. Qd2 { [%eval 0.9] [%clk 0:51:28] } 16... Nc2?! { [%eval 1.56] } { Inaccuracy. Nxe2+ was best. } { [%clk 0:32:42] } 17. Bf2 { [%eval 1.76] [%clk 0:43:04] } 17... Nd4 { [%eval 1.78] [%clk 0:25:39] } 18. b5?! { [%eval 0.67] } { Inaccuracy. Bxd4 was best. } { [%clk 0:38:27] } 18... a6 { [%eval 0.8] [%clk 0:23:29] } 19. Nxd4 { [%eval 0.6] [%clk 0:35:28] } 19... Bxd4 { [%eval 0.57] [%clk 0:23:40] } 20. Bxd4 { [%eval 0.84] [%clk 0:35:51] } 20... cxd4 { [%eval 0.78] [%clk 0:23:37] } 21. e5 { [%eval 0.57] [%clk 0:34:52] } 21... dxe5? { [%eval 2.27] } { Mistake. Ra7 was best. } { [%clk 0:22:08] } 22. Bxa8 { [%eval 2.17] [%clk 0:34:05] } 22... Qxa8 { [%eval 2.06] [%clk 0:22:26] } 23. fxe5?! { [%eval 1.39] } { Inaccuracy. bxa6 was best. } { [%clk 0:33:20] } 23... axb5 { [%eval 1.42] [%clk 0:22:34] } 24. cxb5 { [%eval 1.35] [%clk 0:33:13] } 24... Qd5 { [%eval 1.17] [%clk 0:22:37] } 25. Qg2?! { [%eval 0.4] } { Inaccuracy. Qf4 was best. } { [%clk 0:28:03] } 25... Qxe5 { [%eval 0.38] [%clk 0:19:55] } 26. Qe4 { [%eval 0.41] [%clk 0:28:28] } 26... Qxe4 { [%eval 0.49] [%clk 0:19:07] } 27. dxe4 { [%eval 0.41] [%clk 0:28:53] } 27... Bc2 { [%eval 0.51] [%clk 0:19:25] } 28. Ra1 { [%eval 0.04] [%clk 0:23:39] } 28... h6 { [%eval 0.23] [%clk 0:17:31] } 29. e5 { [%eval -0.17] [%clk 0:22:11] } 29... Rc8 { [%eval 0.18] [%clk 0:14:53] } 30. a4 { [%eval -0.19] [%clk 0:18:48] } 30... Rc5 { [%eval 0.2] [%clk 0:15:03] } 31. a5 { [%eval 0.24] [%clk 0:18:50] } 31... bxa5 { [%eval 0.18] [%clk 0:15:31] } 32. Rxa5 { [%eval 0.11] [%clk 0:19:15] } 32... Rxe5 { [%eval 0.33] [%clk 0:15:26] } 33. Ra8+ { [%eval 0.0] [%clk 0:14:54] } 33... Kh7 { [%eval 0.0] [%clk 0:15:53] } 34. b6 { [%eval 0.0] [%clk 0:14:58] } 34... Rb5 { [%eval 0.0] [%clk 0:14:58] } 1/2-1/2