Event: GMT Biel Chess Festival classic
Site: Biel/Bienne, Switzerland
White: Keymer, Vincent
WhiteTitle: GM
WhiteElo: 2487
Black: Naiditsch, Arkadij
BlackTitle: GM
BlackElo: 2626
Result: 1-0
ECO: E60
Opening: Indian Defense: King's Indian Variation, Fianchetto Variation
Variant: Standard
TimeControl: 90 minutes for the first 40 moves + 30 minutes for the rest of the game with an addition of 30 seconds per move starting from move one

1. d4 { [%eval 0.2] [%clk 1:30:56] } 1... Nf6 { [%eval 0.22] [%clk 1:30:52] } 2. c4 { [%eval 0.0] [%clk 1:31:23] } 2... g6?! { [%eval 0.55] } { Inaccuracy. e6 was best. } { [%clk 1:31:12] } 3. g3 { [%eval 0.09] [%clk 1:31:49] } 3... Bg7 { [%eval 0.37] [%clk 1:31:20] } 4. Bg2 { [%eval 0.2] [%clk 1:32:14] } 4... O-O { [%eval 0.28] [%clk 1:31:23] } 5. Nc3 { [%eval 0.34] [%clk 1:32:35] } 5... d6 { [%eval 0.43] [%clk 1:31:21] } 6. Nf3 { [%eval 0.34] [%clk 1:33:00] } 6... c6 { [%eval 0.62] [%clk 1:31:29] } 7. e4 { [%eval 0.38] [%clk 1:33:12] } 7... Bg4 { [%eval 0.85] [%clk 1:26:57] } 8. h3 { [%eval 0.83] [%clk 1:33:24] } 8... Bxf3 { [%eval 0.6] [%clk 1:26:27] } 9. Bxf3 { [%eval 0.69] [%clk 1:33:49] } 9... e5 { [%eval 0.77] [%clk 1:25:23] } 10. d5 { [%eval 1.03] [%clk 1:25:18] } 10... cxd5 { [%eval 1.09] [%clk 1:22:07] } 11. cxd5 { [%eval 0.81] [%clk 1:25:27] } 11... a5 { [%eval 1.16] [%clk 1:21:46] } 12. Be3 { [%eval 1.11] [%clk 1:17:38] } 12... Na6 { [%eval 1.33] [%clk 1:20:43] } 13. h4 { [%eval 1.3] [%clk 1:16:38] } 13... h5 { [%eval 1.18] [%clk 1:11:09] } 14. g4 { [%eval 1.26] [%clk 1:03:25] } 14... hxg4 { [%eval 1.16] [%clk 1:05:53] } 15. Bxg4 { [%eval 1.41] [%clk 0:59:13] } 15... Nxg4 { [%eval 1.96] [%clk 0:40:43] } 16. Qxg4 { [%eval 1.98] [%clk 0:59:37] } 16... Nb4 { [%eval 2.17] [%clk 0:34:43] } 17. h5?? { [%eval 0.1] } { Blunder. O-O-O was best. } { [%clk 0:41:27] } 17... f5?? { [%eval 2.95] } { Blunder. Nc2+ was best. } { [%clk 0:22:11] } 18. Qxg6 { [%eval 2.91] [%clk 0:32:05] } 18... Rf6?! { [%eval 3.83] } { Inaccuracy. Qf6 was best. } { [%clk 0:22:09] } 19. Qg2 { [%eval 3.64] [%clk 0:30:26] } 19... Kh7? { [%eval 7.5] } { Mistake. Kf7 was best. } { [%clk 0:22:14] } 20. exf5 { [%eval 6.62] [%clk 0:24:48] } 20... Nc2+ { [%eval 7.4] [%clk 0:13:27] } 21. Kd2 { [%eval 7.5] [%clk 0:24:19] } 21... Nxe3 { [%eval 7.24] [%clk 0:13:45] } 22. fxe3 { [%eval 6.77] [%clk 0:24:28] } 22... Qb6 { [%eval 7.34] [%clk 0:14:07] } 23. Kc2 { [%eval 6.77] [%clk 0:21:32] } 23... Rc8 { [%eval 11.49] [%clk 0:13:24] } 24. Rag1 { [%eval 11.43] [%clk 0:21:00] } 24... Bh6 { [%eval 11.24] [%clk 0:09:04] } 25. Kb1 { [%eval 10.62] [%clk 0:20:51] } 25... Qxe3 { [%eval 14.65] [%clk 0:09:11] } 26. Ne4 { [%eval 13.35] [%clk 0:19:42] } 26... Rff8?! { [%eval #16] } { Checkmate is now unavoidable. Rf7 was best. } { [%clk 0:09:31] } 27. Qg6+ { [%eval #15] [%clk 0:19:20] } 27... Kh8 { [%eval 64.14] [%clk 0:09:54] } 28. Nf6 { [%eval 26.43] [%clk 0:19:41] } 1-0