Event: Round 2: Stephan Briem - Vidar Grahn
Date: 2023-10-28
White: Stephan Briem
WhiteElo: 2144
Black: Vidar Grahn
BlackElo: 2133
Result: 1/2-1/2
ECO: D91
Opening: Grünfeld Defense: Three Knights Variation, Petrosian System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:51] } 1... Nf6 { [%eval 0.28] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:31:07] } 2... g6 { [%eval 0.3] [%clk 1:31:22] } 3. Nc3 { [%eval 0.31] [%clk 1:28:41] } 3... d5 { [%eval 0.2] [%clk 1:31:24] } 4. Nf3 { [%eval 0.25] [%clk 1:25:28] } 4... Bg7 { [%eval 0.27] [%clk 1:31:45] } 5. Bg5 { [%eval 0.17] [%clk 1:25:22] } 5... Ne4 { [%eval 0.13] [%clk 1:32:02] } 6. Bf4 { [%eval 0.27] [%clk 1:25:13] } 6... Nxc3 { [%eval 0.36] [%clk 1:31:10] } 7. bxc3 { [%eval 0.12] [%clk 1:25:37] } 7... dxc4 { [%eval 0.29] [%clk 1:28:47] } 8. e3 { [%eval 0.25] [%clk 1:17:44] } 8... b5 { [%eval 0.48] [%clk 1:21:37] } 9. Qb1 { [%eval 0.42] [%clk 0:58:57] } 9... c6 { [%eval 0.37] [%clk 1:11:21] } 10. a4 { [%eval 0.53] [%clk 0:54:05] } 10... Bf5 { [%eval 0.85] [%clk 1:05:29] } 11. e4 { [%eval 0.85] [%clk 0:49:36] } 11... Bd7 { [%eval 0.8] [%clk 1:04:48] } 12. Bxc4 { [%eval 0.67] [%clk 0:42:12] } 12... bxc4 { [%eval 0.58] [%clk 1:04:15] } 13. Qb7 { [%eval 0.69] [%clk 0:42:23] } 13... Na6 { [%eval 0.58] [%clk 1:04:25] } 14. Qxa6 { [%eval 0.68] [%clk 0:42:38] } 14... c5 { [%eval 0.6] [%clk 1:04:07] } 15. Qxc4 { [%eval 0.52] [%clk 0:35:03] } 15... cxd4 { [%eval 0.53] [%clk 1:03:58] } 16. cxd4 { [%eval 0.55] [%clk 0:34:00] } 16... Rc8 { [%eval 0.66] [%clk 1:03:43] } 17. Qa2?! { [%eval -0.03] } { Inaccuracy. Qb4 was best. } { [%clk 0:08:03] } 17... O-O?! { [%eval 1.0] } { Inaccuracy. Be6 was best. } { [%clk 0:55:25] } 18. O-O { [%eval 1.15] [%clk 0:07:43] } 18... Be6 { [%eval 1.25] [%clk 0:46:04] } 19. d5 { [%eval 1.49] [%clk 0:06:53] } 19... Bg4 { [%eval 1.64] [%clk 0:45:59] } 20. Ne5? { [%eval 0.38] } { Mistake. Rab1 was best. } 20... Qd6 { [%eval 0.5] [%clk 0:45:11] } 21. Nd3 { [%eval 0.5] [%clk 0:02:20] } 21... Qa6 { [%eval 0.36] [%clk 0:45:28] } 22. Ne5 { [%eval 0.46] [%clk 0:01:35] } 22... Qd6 { [%eval 0.45] [%clk 0:44:03] } 23. Nd3 { [%eval 0.37] [%clk 0:02:01] } 23... Qa6 { [%eval 0.46] [%clk 0:44:27] } 24. Ne5 { [%eval 0.0] [%clk 0:02:26] } 24... Qd6 { [%eval 0.0] [%clk 0:44:54] } 1/2-1/2