Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-24
White: Heyl, Thomas
WhiteElo: 1938
Black: von Burg, Carl Alexander
BlackElo: 1878
Result: 1/2-1/2
ECO: E90
Opening: King's Indian Defense: Normal Variation, Rare Defenses
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. Nf3 { [%eval 0.1] [%clk 1:40:56] } 1... Nf6 { [%eval 0.18] [%clk 1:16:54] } 2. c4 { [%eval 0.12] [%clk 1:41:13] } 2... g6 { [%eval 0.29] [%clk 1:17:02] } 3. Nc3 { [%eval 0.26] [%clk 1:41:32] } 3... Bg7 { [%eval 0.44] [%clk 1:17:19] } 4. e4 { [%eval 0.46] [%clk 1:41:44] } 4... d6 { [%eval 0.43] [%clk 1:16:52] } 5. d4 { [%eval 0.36] [%clk 1:42:03] } 5... O-O { [%eval 0.44] [%clk 1:16:42] } 6. h3 { [%eval 0.42] [%clk 1:42:26] } 6... Nc6 { [%eval 0.71] [%clk 1:15:17] } 7. Be3?! { [%eval 0.0] } { Inaccuracy. d5 was best. } { [%clk 1:40:57] } 7... e5 { [%eval 0.0] [%clk 1:13:41] } 8. d5 { [%eval -0.03] [%clk 1:41:09] } 8... Ne7?! { [%eval 0.91] } { Inaccuracy. Nd4 was best. } { [%clk 1:13:42] } 9. Be2 { [%eval 0.52] [%clk 1:35:50] } 9... a6 { [%eval 0.89] [%clk 1:10:26] } 10. Qd2 { [%eval 0.56] [%clk 1:29:38] } 10... Bd7 { [%eval 0.58] [%clk 1:08:47] } 11. a4 { [%eval 0.42] [%clk 1:28:16] } 11... c6?! { [%eval 1.49] } { Inaccuracy. Nh5 was best. } { [%clk 0:52:29] } 12. a5 { [%eval 1.45] [%clk 1:22:12] } 12... c5 { [%eval 1.59] [%clk 0:47:06] } 13. Nh2 { [%eval 1.29] [%clk 1:13:08] } 13... Ne8 { [%eval 1.68] [%clk 0:44:47] } 14. g4?! { [%eval 0.99] } { Inaccuracy. O-O was best. } { [%clk 1:08:15] } 14... f5 { [%eval 1.0] [%clk 0:35:02] } 15. Bg5 { [%eval 0.61] [%clk 0:55:31] } 15... f4 { [%eval 0.64] [%clk 0:37:41] } 16. Nf3 { [%eval 0.33] [%clk 0:52:24] } 16... h6 { [%eval 0.38] [%clk 0:36:37] } 17. Bxe7 { [%eval 0.41] [%clk 0:52:42] } 17... Qxe7 { [%eval 0.58] [%clk 0:36:57] } 18. Na4 { [%eval 0.38] [%clk 0:49:28] } 18... Bxa4 { [%eval 0.36] [%clk 0:31:24] } 19. Rxa4 { [%eval 0.37] [%clk 0:49:53] } 19... Nf6 { [%eval 0.43] [%clk 0:31:46] } 20. Qc2 { [%eval -0.06] [%clk 0:48:24] } 20... Nd7?! { [%eval 0.65] } { Inaccuracy. Rfb8 was best. } { [%clk 0:32:04] } 21. Kd2 { [%eval 0.38] [%clk 0:44:49] } 21... Rfb8 { [%eval 0.35] [%clk 0:31:18] } 22. Rha1 { [%eval 0.0] [%clk 0:45:35] } 22... Qd8 { [%eval 0.12] [%clk 0:30:38] } 23. R4a3 { [%eval 0.25] [%clk 0:37:22] } 1/2-1/2