Event: Biel Chess Festival 2025 Challengers Final
Site: Biel, Switzerland
Date: 2025-07-23
White: Navara, David
WhiteTitle: GM
WhiteElo: 2662
Black: Hakobyan, Aram
BlackTitle: GM
BlackElo: 2621
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard
TimeControl: 120 min 40 moves + 30 min Rest + 30 sec as of move 41

1. e4 { [%eval 0.18] [%clk 1:59:58] } 1... c5 { [%eval 0.25] [%clk 1:58:57] } 2. Nf3 { [%eval 0.2] [%clk 1:59:55] } 2... e6 { [%eval 0.28] [%clk 1:58:53] } 3. d4 { [%eval 0.4] [%clk 1:59:03] } 3... cxd4 { [%eval 0.29] [%clk 1:58:51] } 4. Nxd4 { [%eval 0.23] [%clk 1:58:54] } 4... Nf6 { [%eval 0.29] [%clk 1:58:45] } 5. Nc3 { [%eval 0.31] [%clk 1:58:47] } 5... Nc6 { [%eval 0.35] [%clk 1:58:42] } 6. Nxc6 { [%eval 0.31] [%clk 1:58:34] } 6... bxc6 { [%eval 0.28] [%clk 1:58:40] } 7. e5 { [%eval 0.31] [%clk 1:58:22] } 7... Nd5 { [%eval 0.41] [%clk 1:58:34] } 8. Ne4 { [%eval 0.43] [%clk 1:58:13] } 8... Bb7 { [%eval 0.35] [%clk 1:57:55] } 9. Be2 { [%eval 0.45] [%clk 1:55:33] } 9... c5 { [%eval 0.51] [%clk 1:57:43] } 10. O-O { [%eval 0.48] [%clk 1:53:42] } 10... Qc7 { [%eval 0.34] [%clk 1:57:19] } 11. c4 { [%eval 0.23] [%clk 1:51:33] } 11... Nb4 { [%eval 0.3] [%clk 1:56:33] } 12. Nd6+ { [%eval 0.37] [%clk 1:49:56] } 12... Bxd6 { [%eval 0.24] [%clk 1:56:30] } 13. exd6 { [%eval 0.24] [%clk 1:49:21] } 13... Qb6 { [%eval 0.31] [%clk 1:56:08] } 14. Be3 { [%eval 0.13] [%clk 1:42:22] } 14... Be4 { [%eval 0.11] [%clk 1:55:28] } 15. Qd2 { [%eval -0.1] [%clk 1:38:04] } 15... Nc2 { [%eval -0.14] [%clk 1:46:15] } 16. Rac1 { [%eval -0.13] [%clk 1:34:46] } 16... Nxe3 { [%eval -0.14] [%clk 1:45:49] } 17. Qxe3 { [%eval -0.15] [%clk 1:33:44] } 17... Bg6 { [%eval 0.26] [%clk 1:41:29] } 18. h4 { [%eval 0.24] [%clk 1:31:53] } 18... h6 { [%eval 0.24] [%clk 1:38:15] } 19. h5 { [%eval 0.2] [%clk 1:21:02] } 19... Bh7 { [%eval 0.26] [%clk 1:38:11] } 20. Qc3 { [%eval -0.17] [%clk 1:08:11] } 20... O-O { [%eval -0.07] [%clk 1:37:25] } 21. Rfd1 { [%eval -0.19] [%clk 1:06:21] } 21... a5 { [%eval -0.21] [%clk 1:33:14] } 22. Bd3 { [%eval -0.37] [%clk 1:03:18] } 22... Rfb8 { [%eval -0.38] [%clk 1:28:33] } 23. Rc2 { [%eval -0.28] [%clk 0:56:43] } 23... Ra6 { [%eval -0.26] [%clk 1:25:34] } 24. Qe5 { [%eval -0.6] [%clk 0:47:45] } 24... f5?! { [%eval 0.1] } { Inaccuracy. a4 was best. } { [%clk 1:04:49] } 25. Be2 { [%eval -0.16] [%clk 0:46:11] } 25... f4 { [%eval -0.18] [%clk 1:04:12] } 26. Rcd2 { [%eval -0.17] [%clk 0:39:11] } 26... Rf8 { [%eval -0.2] [%clk 1:03:47] } 27. Bg4 { [%eval -0.04] [%clk 0:37:01] } 27... Kh8 { [%eval 0.0] [%clk 0:55:21] } 28. Rc1 { [%eval 0.0] [%clk 0:34:43] } 28... Qc6 { [%eval 0.12] [%clk 0:47:31] } 29. Bf3 { [%eval 0.0] [%clk 0:31:40] } 29... Qb6 { [%eval 0.0] [%clk 0:46:21] } 30. Bg4 { [%eval 0.0] [%clk 0:29:52] } 30... Qc6 { [%eval 0.05] [%clk 0:44:22] } 31. Bf3 { [%eval 0.0] [%clk 0:28:23] } 31... Qb6 { [%eval 0.0] [%clk 0:42:21] } 32. Bg4 { [%eval -0.01] [%clk 0:28:09] } 32... Qc6 { [%clk 0:41:31] } 33. Bf3 { [%clk 0:27:26] } 1/2-1/2