Event: Biel Chess Festival 2025
Date: 2025-07-21
White: Hirzel, Robin
WhiteElo: 1795
Black: Kalbermatter, Philipp
BlackElo: 1908
Result: 1/2-1/2
ECO: A23
Opening: English Opening: King's English Variation, Two Knights Variation, Keres Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:53] } 1... e5 { [%eval 0.1] [%clk 1:30:09] } 2. Nc3 { [%eval 0.04] [%clk 1:31:19] } 2... Nf6 { [%eval 0.18] [%clk 1:29:51] } 3. g3 { [%eval 0.07] [%clk 1:31:43] } 3... c6 { [%eval 0.24] [%clk 1:28:41] } 4. Bg2 { [%eval 0.0] [%clk 1:31:21] } 4... d5 { [%eval 0.0] [%clk 1:28:08] } 5. cxd5 { [%eval -0.28] [%clk 1:29:18] } 5... cxd5 { [%eval -0.39] [%clk 1:28:06] } 6. d3 { [%eval -0.39] [%clk 1:29:25] } 6... d4 { [%eval -0.45] [%clk 1:23:34] } 7. Ne4 { [%eval -0.28] [%clk 1:29:37] } 7... Nxe4 { [%eval -0.43] [%clk 1:22:32] } 8. Bxe4 { [%eval -0.47] [%clk 1:29:54] } 8... Bb4+ { [%eval -0.11] [%clk 1:20:13] } 9. Bd2 { [%eval -0.16] [%clk 1:30:03] } 9... Bxd2+ { [%eval -0.18] [%clk 1:19:28] } 10. Qxd2 { [%eval -0.17] [%clk 1:30:26] } 10... O-O { [%eval -0.17] [%clk 1:14:31] } 11. h4 { [%eval -0.65] [%clk 1:28:37] } 11... Nc6 { [%eval -0.33] [%clk 1:12:23] } 12. Qg5? { [%eval -1.5] } { Mistake. Rc1 was best. } { [%clk 1:27:28] } 12... Be6? { [%eval -0.03] } { Mistake. Qd6 was best. } { [%clk 0:39:32] } 13. Nf3?! { [%eval -1.06] } { Inaccuracy. Qxd8 was best. } { [%clk 1:22:26] } 1/2-1/2