Event: CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament
Site: Pardubice, Czech Republic
Date: 2025-07-29
White: Piesik, Piotr
WhiteTitle: IM
WhiteElo: 2436
Black: Petersen, Marcel
BlackTitle: CM
BlackElo: 2236
Result: 1/2-1/2
ECO: A07
Opening: King's Indian Attack
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min + 30 s/move

1. Nf3 { [%eval 0.1] [%clk 1:30:52] } 1... d5 { [%eval 0.18] [%clk 1:30:51] } 2. g3 { [%eval 0.15] [%clk 1:31:17] } 2... Nc6 { [%eval 0.13] [%clk 1:31:16] } 3. d4 { [%eval 0.33] [%clk 1:28:15] } 3... Bf5 { [%eval 0.29] [%clk 1:31:39] } 4. Bg2 { [%eval 0.28] [%clk 1:27:04] } 4... Nb4 { [%eval 0.39] [%clk 1:32:00] } 5. Na3 { [%eval 0.21] [%clk 1:27:29] } 5... e6 { [%eval 0.32] [%clk 1:32:25] } 6. O-O { [%eval 0.14] [%clk 1:24:59] } 6... Nc6 { [%eval 0.18] [%clk 1:32:37] } 7. c4 { [%eval 0.08] [%clk 1:12:37] } 7... Bxa3 { [%eval 0.0] [%clk 1:28:23] } 8. bxa3 { [%eval 0.05] [%clk 1:12:59] } 8... Be4 { [%eval 0.07] [%clk 1:21:41] } 9. Qa4 { [%eval -0.19] [%clk 1:07:51] } 9... Ne7 { [%eval -0.09] [%clk 1:20:25] } 10. Bb2 { [%eval -0.56] [%clk 1:06:46] } 10... O-O { [%eval -0.2] [%clk 1:16:40] } 11. Rfd1 { [%eval -0.49] [%clk 1:03:11] } 11... dxc4?! { [%eval 0.22] } { Inaccuracy. Nc8 was best. } { [%clk 1:08:44] } 12. Qxc4 { [%eval 0.24] [%clk 1:02:24] } 12... Qd5 { [%eval 0.18] [%clk 1:07:50] } 13. Qxd5 { [%eval 0.21] [%clk 0:58:54] } 1/2-1/2