Event: Biel Chess Festival WT1
Site: Biel, Switzerland
Date: 2024-07-25
White: Mayer, Roger
Black: Volkov, Alexander
Result: 1-0
ECO: D18
Opening: Slav Defense: Czech Variation, Classical System
Variant: Standard
TimeControl: 40' + 30''/mv

1. d4 { [%eval 0.16] [%clk 0:40:59] } 1... d5 { [%eval 0.24] [%clk 0:30:42] } 2. Nf3 { [%eval 0.2] [%clk 0:41:21] } 2... Nf6 { [%eval 0.14] [%clk 0:31:09] } 3. c4 { [%eval 0.17] [%clk 0:41:36] } 3... dxc4 { [%eval 0.28] [%clk 0:31:17] } 4. Nc3 { [%eval 0.11] [%clk 0:41:41] } 4... c6 { [%eval 0.27] [%clk 0:30:43] } 5. a4 { [%eval 0.23] [%clk 0:41:16] } 5... Bf5 { [%eval 0.26] [%clk 0:30:29] } 6. e3 { [%eval 0.32] [%clk 0:41:08] } 6... e6 { [%eval 0.33] [%clk 0:29:51] } 7. Bxc4 { [%eval 0.22] [%clk 0:41:14] } 7... Bd6 { [%eval 0.48] [%clk 0:29:39] } 8. O-O { [%eval 0.52] [%clk 0:40:56] } 8... Nbd7 { [%eval 0.65] [%clk 0:29:34] } 9. Re1 { [%eval 0.4] [%clk 0:39:51] } 9... Ne4 { [%eval 0.78] [%clk 0:28:06] } 10. Nd2? { [%eval -0.34] } { Mistake. Bd3 was best. } { [%clk 0:37:46] } 10... Ndf6?! { [%eval 0.48] } { Inaccuracy. Bxh2+ was best. } { [%clk 0:25:37] } 11. f3 { [%eval 0.0] [%clk 0:33:20] } 11... Bxh2+ { [%eval 0.0] [%clk 0:19:30] } 12. Kxh2 { [%eval 0.0] [%clk 0:33:27] } 12... Ng4+ { [%eval 0.0] [%clk 0:19:13] } 13. Kg1 { [%eval 0.0] [%clk 0:27:34] } 13... Nef2?? { [%eval 4.51] } { Blunder. Qh4 was best. } { [%clk 0:14:56] } 14. Qe2 { [%eval 4.32] [%clk 0:26:24] } 14... Qh4?! { [%eval 5.44] } { Inaccuracy. h5 was best. } { [%clk 0:09:41] } 15. fxg4 { [%eval 5.44] [%clk 0:25:45] } 15... Qh1+ { [%eval 6.48] [%clk 0:02:16] } 16. Kxf2 { [%eval 6.81] [%clk 0:26:04] } 16... Qh4+ { [%eval 6.5] [%clk 0:02:29] } 17. Kg1 { [%eval 6.3] [%clk 0:26:07] } 17... h5 { [%eval 7.83] [%clk 0:01:21] } 18. gxf5 { [%eval 7.76] [%clk 0:25:38] } 1-0