Event: Biel Chess Festival 2025
Date: 2025-07-24
White: Kopp, Guenter
WhiteElo: 1747
Black: Aleksenko, Kirill
BlackElo: 1707
Result: 0-1
ECO: A22
Opening: English Opening: Carls-Bremen System
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:54] } 1... e5 { [%eval 0.1] [%clk 1:30:56] } 2. Nc3 { [%eval 0.04] [%clk 1:30:27] } 2... Nf6 { [%eval 0.18] [%clk 1:31:21] } 3. g3 { [%eval 0.07] [%clk 1:29:48] } 3... Nc6 { [%eval 0.2] [%clk 1:31:25] } 4. Bg2 { [%eval 0.3] [%clk 1:29:30] } 4... g6 { [%eval 0.32] [%clk 1:31:08] } 5. e3 { [%eval 0.26] [%clk 1:28:35] } 5... Bb4 { [%eval 0.76] [%clk 1:30:54] } 6. Nge2 { [%eval 0.79] [%clk 1:28:16] } 6... d6?! { [%eval 1.5] } { Inaccuracy. Bf8 was best. } { [%clk 1:30:22] } 7. a3 { [%eval 1.41] [%clk 1:28:13] } 7... Bxc3 { [%eval 1.33] [%clk 1:30:41] } 8. Nxc3 { [%eval 1.37] [%clk 1:26:43] } 8... O-O { [%eval 1.59] [%clk 1:30:19] } 9. b4 { [%eval 1.23] [%clk 1:26:18] } 9... Be6 { [%eval 1.42] [%clk 1:30:37] } 10. d3 { [%eval 1.31] [%clk 1:25:16] } 10... d5 { [%eval 1.58] [%clk 1:30:44] } 11. cxd5 { [%eval 1.53] [%clk 1:24:18] } 11... h5?? { [%eval 5.61] } { Blunder. Nxd5 was best. } { [%clk 1:22:51] } 0-1