Event: Biel Chess Festival 2025 WT 2
Site: Biel, Switzerland
Date: 2025-07-22
White: Untersee, Victor
WhiteElo: 1811
Black: Tkhoruk, Roman
BlackElo: 1893
Result: 0-1
ECO: E00
Opening: Catalan Opening
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:57] } 1... Nf6 { [%eval 0.19] [%clk 1:00:48] } 2. c4 { [%eval 0.18] [%clk 1:01:20] } 2... e6 { [%eval 0.14] [%clk 1:01:09] } 3. g3 { [%eval 0.13] [%clk 1:01:35] } 3... Bb4+ { [%eval 0.1] [%clk 1:01:16] } 4. Bd2 { [%eval 0.05] [%clk 1:00:52] } 4... Bxd2+ { [%eval 0.26] [%clk 1:01:34] } 5. Qxd2 { [%eval 0.23] [%clk 1:01:17] } 5... O-O { [%eval 0.3] [%clk 1:01:27] } 6. Bg2 { [%eval 0.26] [%clk 1:01:42] } 6... d5 { [%eval 0.28] [%clk 1:01:18] } 7. Nf3 { [%eval 0.27] [%clk 1:01:46] } 7... c6 { [%eval 0.27] [%clk 1:00:32] } 8. O-O { [%eval 0.25] [%clk 1:01:07] } 8... Nbd7 { [%eval 0.29] [%clk 1:00:29] } 9. c5 { [%eval -0.18] [%clk 0:58:09] } 9... b6 { [%eval -0.17] [%clk 0:59:05] } 10. b4 { [%eval -0.54] [%clk 0:58:17] } 10... a5 { [%eval -0.49] [%clk 0:58:40] } 11. Ne5? { [%eval -2.18] } { Mistake. cxb6 was best. } { [%clk 0:53:55] } 11... Nxe5 { [%eval -2.23] [%clk 0:58:44] } 12. dxe5 { [%eval -2.19] [%clk 0:54:19] } 12... Nd7 { [%eval -2.17] [%clk 0:58:58] } 13. bxa5 { [%eval -2.57] [%clk 0:51:45] } 13... bxc5 { [%eval -2.57] [%clk 0:58:53] } 14. f4 { [%eval -2.69] [%clk 0:50:35] } 14... Qxa5 { [%eval -2.74] [%clk 0:58:26] } 15. Qxa5 { [%eval -3.14] [%clk 0:49:33] } 15... Rxa5 { [%eval -3.13] [%clk 0:59:08] } 16. Nd2 { [%eval -3.51] [%clk 0:49:49] } 16... Ba6 { [%eval -3.57] [%clk 0:58:59] } 17. Rfe1 { [%eval -3.51] [%clk 0:49:31] } 17... c4 { [%eval -3.49] [%clk 0:59:15] } 18. e4 { [%eval -4.31] [%clk 0:49:11] } 18... g6?! { [%eval -3.22] } { Inaccuracy. d4 was best. } { [%clk 0:59:02] } 19. Nb1?! { [%eval -4.68] } { Inaccuracy. Nf3 was best. } { [%clk 0:44:01] } 19... d4 { [%eval -5.02] [%clk 0:57:05] } 20. Nd2 { [%eval -5.22] [%clk 0:41:20] } 20... Nc5 { [%eval -5.13] [%clk 0:56:50] } 21. Nf3 { [%eval -5.27] [%clk 0:41:59] } 21... Rd8 { [%eval -5.19] [%clk 0:57:01] } 22. Red1 { [%eval -5.66] [%clk 0:39:27] } 22... d3 { [%eval -5.68] [%clk 0:57:22] } 23. Nd2 { [%eval -5.84] [%clk 0:39:10] } 23... c3 { [%eval -5.95] [%clk 0:57:03] } 24. Nb3?! { [%eval -9.1] } { Inaccuracy. h4 was best. } { [%clk 0:39:03] } 24... Nxb3 { [%eval -9.43] [%clk 0:57:18] } 25. axb3 { [%eval -10.05] [%clk 0:39:27] } 25... Rxa1 { [%eval -9.54] [%clk 0:57:40] } 26. Rxa1 { [%eval -9.23] [%clk 0:35:11] } 26... c2 { [%eval -8.48] [%clk 0:58:00] } 0-1