Event: Biel Chess Festival 2025 Challengers 960
Site: Biel, Switzerland
Date: 2025-07-12
White: Navara, David
WhiteTitle: GM
WhiteElo: 2662
Black: Theodorou, Nikolas
BlackTitle: GM
BlackElo: 2625
Result: 1/2-1/2
Variant: Fischerandom
TimeControl: 15 min + 5 sec per move

1. d4 { [%eval 0.24] [%clk 0:15:09] } 1... d5 { [%eval 0.24] [%clk 0:14:32] } 2. c3 { [%eval 0.25] [%clk 0:15:05] } 2... e5?! { [%eval 1.11] } { Inaccuracy. c6 was best. } { [%clk 0:13:42] } 3. dxe5 { [%eval 1.26] [%clk 0:14:47] } 3... c6 { [%eval 0.94] [%clk 0:13:44] } 4. f4 { [%eval 0.87] [%clk 0:12:26] } 4... g5 { [%eval 1.42] [%clk 0:12:09] } 5. fxg5 { [%eval 1.36] [%clk 0:11:29] } 5... Bxe5 { [%eval 1.27] [%clk 0:12:00] } 6. Nf3 { [%eval 1.06] [%clk 0:11:22] } 6... Bc7 { [%eval 1.46] [%clk 0:11:53] } 7. Nf2 { [%eval 1.26] [%clk 0:10:17] } 7... f6 { [%eval 1.65] [%clk 0:10:44] } 8. O-O?! { [%eval 0.96] } { Inaccuracy. h4 was best. } { [%clk 0:09:35] } 8... Nf7 { [%eval 1.41] [%clk 0:10:41] } 9. Be3 { [%eval 1.48] [%clk 0:07:47] } 9... Bb6?! { [%eval 2.2] } { Inaccuracy. Ng7 was best. } { [%clk 0:10:07] } 10. Bxb6 { [%eval 2.39] [%clk 0:07:46] } 10... axb6 { [%eval 2.19] [%clk 0:10:09] } 11. e4 { [%eval 1.65] [%clk 0:07:14] } 11... Be6?! { [%eval 2.53] } { Inaccuracy. Nxg5 was best. } { [%clk 0:09:17] } 12. Nd4 { [%eval 2.42] [%clk 0:06:38] } 12... Nc7?! { [%eval 3.15] } { Inaccuracy. Bd7 was best. } { [%clk 0:09:14] } 13. Nxe6+?! { [%eval 2.06] } { Inaccuracy. h4 was best. } { [%clk 0:03:58] } 13... Nxe6 { [%eval 2.09] [%clk 0:09:16] } 14. exd5 { [%eval 2.0] [%clk 0:03:18] } 14... Nf4 { [%eval 1.78] [%clk 0:08:48] } 15. Re1?! { [%eval 0.83] } { Inaccuracy. g3 was best. } { [%clk 0:02:03] } 15... Rxg5 { [%eval 0.77] [%clk 0:07:51] } 16. g3 { [%eval 0.75] [%clk 0:02:01] } 16... Nxd5 { [%eval 0.54] [%clk 0:07:53] } 17. Bc2 { [%eval 0.02] [%clk 0:01:05] } 17... h5 { [%eval 0.14] [%clk 0:07:23] } 18. Kf1 { [%eval -0.14] [%clk 0:00:25] } 18... h4 { [%eval -0.16] [%clk 0:06:59] } 19. g4 { [%eval -0.11] [%clk 0:00:29] } 19... Re5 { [%eval 0.0] [%clk 0:07:03] } 20. Rxe5 { [%eval -0.01] [%clk 0:00:22] } 20... Nxe5 { [%eval -0.01] [%clk 0:07:05] } 21. Qe4 { [%eval 0.0] [%clk 0:00:17] } 21... Re8 { [%eval 0.0] [%clk 0:05:03] } 22. Re1 { [%eval 0.02] [%clk 0:00:14] } 22... Qh6 { [%eval 0.0] [%clk 0:04:56] } 23. Bb3 { [%eval 0.0] [%clk 0:00:11] } 23... Qd2 { [%eval 0.0] [%clk 0:04:10] } 24. Bxd5 { [%eval 0.02] [%clk 0:00:14] } 24... cxd5 { [%eval 0.03] [%clk 0:04:07] } 25. Qe3 { [%eval 0.0] [%clk 0:00:08] } 25... Qxb2 { [%eval 0.07] [%clk 0:01:06] } 26. Qh6+ { [%eval 0.06] [%clk 0:00:12] } 26... Kg8 { [%eval 0.0] [%clk 0:00:45] } 27. Qxf6 { [%eval 0.05] [%clk 0:00:08] } 27... Qxc3 { [%eval 0.0] [%clk 0:00:40] } 28. Qg5+ { [%eval 0.01] [%clk 0:00:11] } 28... Kf8 { [%eval 0.13] [%clk 0:00:37] } 29. Qf6+ { [%eval 0.05] [%clk 0:00:09] } 29... Kg8 { [%eval 0.0] [%clk 0:00:40] } 30. Qg5+ { [%eval 0.06] [%clk 0:00:08] } 30... Kf8 { [%eval 0.08] [%clk 0:00:44] } 31. Qf5+ { [%eval 0.09] [%clk 0:00:08] } 31... Kg7 { [%clk 0:00:36] } 32. Qg5+ { [%clk 0:00:06] } 32... Kf8 { [%clk 0:00:37] } 33. Qf6+ { [%clk 0:00:06] } 33... Kg8 { [%clk 0:00:20] } 34. Qg5+ { [%clk 0:00:06] } 34... Kf8 { [%clk 0:00:35] } 35. Qh6+ { [%clk 0:00:06] } 35... Kf7 { [%clk 0:00:35] } 1/2-1/2