Event: GMT Biel Chess Festival classic
Site: Biel/Bienne, Switzerland
White: Naiditsch, Arkadij
WhiteTitle: GM
WhiteElo: 2626
Black: Studer, Noël
BlackTitle: GM
BlackElo: 2437
Result: 1-0
ECO: C47
Opening: Four Knights Game: Glek System
Variant: Standard
TimeControl: 100 minutes for the first 40 moves + 50 minutes for the next 20 moves + 15 minutes for the rest of the game with an addition of 30 seconds per move starting from move one

1. e4 { [%eval 0.0] [%clk 1:30:55] } 1... e5 { [%eval 0.28] [%clk 1:30:51] } 2. Nf3 { [%eval 0.16] [%clk 1:31:12] } 2... Nf6 { [%eval 0.22] [%clk 1:31:17] } 3. Nc3 { [%eval 0.21] [%clk 1:22:28] } 3... Nc6 { [%eval 0.19] [%clk 1:31:40] } 4. g3 { [%eval -0.07] [%clk 1:22:43] } 4... d5 { [%eval 0.09] [%clk 1:31:45] } 5. exd5 { [%eval 0.15] [%clk 1:22:56] } 5... Nxd5 { [%eval 0.38] [%clk 1:32:08] } 6. Bg2 { [%eval -0.12] [%clk 1:23:16] } 6... Nxc3 { [%eval 0.29] [%clk 1:32:18] } 7. bxc3 { [%eval 0.0] [%clk 1:23:38] } 7... Bc5 { [%eval 0.0] [%clk 1:32:34] } 8. O-O { [%eval 0.25] [%clk 1:19:17] } 8... O-O { [%eval 0.1] [%clk 1:32:08] } 9. d3 { [%eval 0.05] [%clk 1:19:19] } 9... Bb6 { [%eval 0.11] [%clk 1:28:21] } 10. a4 { [%eval -0.15] [%clk 1:07:16] } 10... Re8?! { [%eval 0.39] } { Inaccuracy. f6 was best. } { [%clk 1:19:18] } 11. Nd2 { [%eval 0.22] [%clk 0:56:42] } 11... Be6 { [%eval 0.38] [%clk 1:10:41] } 12. Rb1?! { [%eval -0.28] } { Inaccuracy. Qh5 was best. } { [%clk 0:47:28] } 12... Qd7 { [%eval -0.21] [%clk 1:08:00] } 13. Nb3 { [%eval -0.43] [%clk 0:36:46] } 13... Bg4?! { [%eval 0.1] } { Inaccuracy. Rad8 was best. } { [%clk 1:05:34] } 14. Qe1 { [%eval -0.3] [%clk 0:34:51] } 14... e4?! { [%eval 0.38] } { Inaccuracy. Rad8 was best. } { [%clk 1:04:26] } 15. d4? { [%eval -0.9] } { Mistake. dxe4 was best. } { [%clk 0:31:07] } 15... Re6? { [%eval 0.11] } { Mistake. Na5 was best. } { [%clk 0:34:22] } 16. Be3 { [%eval -0.05] [%clk 0:29:14] } 16... Rae8?! { [%eval 0.79] } { Inaccuracy. Ree8 was best. } { [%clk 0:34:04] } 17. Qd2 { [%eval 0.73] [%clk 0:22:03] } 17... Qd5?? { [%eval 2.84] } { Blunder. Na5 was best. } { [%clk 0:31:11] } 18. c4 { [%eval 2.73] [%clk 0:18:51] } 18... Qh5?! { [%eval 3.81] } { Inaccuracy. Qxc4 was best. } { [%clk 0:23:14] } 19. c5 { [%eval 3.74] [%clk 0:16:38] } 19... Ne7 { [%eval 4.01] [%clk 0:19:29] } 20. cxb6 { [%eval 3.68] [%clk 0:17:00] } 20... Nf5? { [%eval 7.63] } { Mistake. axb6 was best. } { [%clk 0:12:29] } 21. bxc7 { [%eval 7.48] [%clk 0:14:50] } 21... Bf3 { [%eval 7.55] [%clk 0:07:57] } 22. Nc5?? { [%eval 2.71] } { Blunder. d5 was best. } { [%clk 0:12:13] } 22... Bxg2 { [%eval 2.44] [%clk 0:06:40] } 23. Nxe6 { [%eval 2.52] [%clk 0:11:42] } 23... fxe6 { [%eval 4.79] [%clk 0:03:11] } 24. Bg5?? { [%eval 0.0] } { Blunder. Qc3 was best. } { [%clk 0:07:52] } 24... Bf3 { [%eval 0.0] [%clk 0:02:45] } 25. h4 { [%eval 0.0] [%clk 0:07:06] } 25... Qg4 { [%eval 0.0] [%clk 0:02:56] } 26. Kh2 { [%eval 0.0] [%clk 0:07:22] } 26... e3 { [%eval 0.0] [%clk 0:03:21] } 27. Qc3 { [%eval 0.0] [%clk 0:05:24] } 27... exf2?? { [%eval 5.39] } { Blunder. Rc8 was best. } { [%clk 0:02:38] } 28. Bf4 { [%eval 5.32] [%clk 0:05:28] } 28... Bc6 { [%eval 5.04] [%clk 0:03:03] } 29. d5 { [%eval 4.86] [%clk 0:02:57] } 29... exd5 { [%eval 4.38] [%clk 0:03:01] } 30. Rxf2 { [%eval 4.16] [%clk 0:03:25] } 30... d4? { [%eval 18.26] } { Mistake. Nxh4 was best. } { [%clk 0:02:23] } 31. Qc4+ { [%eval 18.03] [%clk 0:02:49] } 31... Kh8 { [%eval 17.61] [%clk 0:02:23] } 32. Qxc6 { [%eval 15.76] [%clk 0:02:31] } 32... bxc6 { [%eval 17.53] [%clk 0:02:25] } 33. Rb8 { [%eval 15.98] [%clk 0:02:56] } 33... Nd6?! { [%eval #10] } { Checkmate is now unavoidable. Qg6 was best. } { [%clk 0:01:30] } 34. Bxd6 { [%eval #9] [%clk 0:03:00] } 1-0