Event: GMT Biel Chess Festival classic
Site: Biel/Bienne, Switzerland
White: Édouard, Romain
WhiteTitle: GM
WhiteElo: 2649
Black: Naiditsch, Arkadij
BlackTitle: GM
BlackElo: 2626
Result: 1/2-1/2
ECO: E21
Opening: Nimzo-Indian Defense: Three Knights 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 1:30:58] } 1... Nf6 { [%eval 0.22] [%clk 1:30:54] } 2. c4 { [%eval 0.0] [%clk 1:31:25] } 2... e6 { [%eval 0.23] [%clk 1:31:16] } 3. Nc3 { [%eval 0.13] [%clk 1:31:50] } 3... Bb4 { [%eval 0.11] [%clk 1:31:36] } 4. Nf3 { [%eval 0.0] [%clk 1:32:17] } 4... b6 { [%eval 0.16] [%clk 1:31:55] } 5. Qb3 { [%eval 0.0] [%clk 1:32:41] } 5... a5 { [%eval 0.12] [%clk 1:29:45] } 6. g3 { [%eval 0.13] [%clk 1:33:05] } 6... Nc6 { [%eval 0.52] [%clk 1:25:46] } 7. Bg2 { [%eval 0.67] [%clk 1:32:25] } 7... a4 { [%eval 0.6] [%clk 1:22:11] } 8. Qc2 { [%eval 0.69] [%clk 1:32:49] } 8... Ba6 { [%eval 1.07] [%clk 1:21:39] } 9. O-O { [%eval 1.12] [%clk 1:28:12] } 9... a3 { [%eval 1.0] [%clk 0:53:28] } 10. Rd1 { [%eval 0.56] [%clk 1:25:49] } 10... axb2 { [%eval 1.06] [%clk 0:47:35] } 11. Bxb2 { [%eval 1.03] [%clk 1:26:11] } 11... Na5 { [%eval 1.11] [%clk 0:47:50] } 12. Ne5 { [%eval 1.27] [%clk 1:21:01] } 12... c6?! { [%eval 2.12] } { Inaccuracy. Bb7 was best. } { [%clk 0:39:10] } 13. d5?! { [%eval 1.02] } { Inaccuracy. c5 was best. } { [%clk 1:10:27] } 13... cxd5 { [%eval 0.93] [%clk 0:39:26] } 14. cxd5 { [%eval 1.2] [%clk 1:10:53] } 14... Rc8 { [%eval 0.76] [%clk 0:39:45] } 15. dxe6 { [%eval 0.34] [%clk 1:05:36] } 15... fxe6 { [%eval 0.28] [%clk 0:38:03] } 16. Rac1 { [%eval 0.3] [%clk 1:06:01] } 16... O-O { [%eval 0.48] [%clk 0:35:39] } 17. Qa4 { [%eval 0.29] [%clk 1:04:23] } 17... Bc5 { [%eval 0.25] [%clk 0:28:17] } 18. Nxd7 { [%eval -0.13] [%clk 1:02:05] } 18... Nxd7 { [%eval 0.0] [%clk 0:25:54] } 19. Rxd7 { [%eval 0.0] [%clk 1:01:41] } 19... Qf6? { [%eval 1.11] } { Mistake. Bxf2+ was best. } { [%clk 0:18:54] } 20. Kh1 { [%eval 1.27] [%clk 0:57:33] } 20... Bxe2? { [%eval 2.66] } { Mistake. Bxf2 was best. } { [%clk 0:10:49] } 21. Qc2?? { [%eval 0.43] } { Blunder. Qe4 was best. } { [%clk 0:47:55] } 21... Bf3 { [%eval 0.52] [%clk 0:10:08] } 22. Ne4 { [%eval 0.42] [%clk 0:47:59] } 22... Bxg2+ { [%eval 0.53] [%clk 0:09:38] } 23. Kxg2 { [%eval 0.56] [%clk 0:48:26] } 23... Qf3+ { [%eval 0.46] [%clk 0:09:58] } 24. Kg1 { [%eval 0.66] [%clk 0:48:39] } 24... e5 { [%eval 0.55] [%clk 0:02:54] } 25. Bxe5 { [%eval 0.45] [%clk 0:29:40] } 25... Bxf2+ { [%eval 0.49] [%clk 0:03:10] } 26. Nxf2 { [%eval 0.59] [%clk 0:30:07] } 26... Qxf2+ { [%eval 0.67] [%clk 0:03:25] } 27. Qxf2 { [%eval 0.53] [%clk 0:30:33] } 27... Rxc1+ { [%eval 0.59] [%clk 0:03:50] } 28. Kg2 { [%eval 0.7] [%clk 0:31:01] } 28... Rxf2+ { [%eval 0.72] [%clk 0:04:13] } 29. Kxf2 { [%eval 0.65] [%clk 0:31:29] } 29... Rc2+ { [%eval 0.58] [%clk 0:04:33] } 30. Kg1 { [%eval 0.37] [%clk 0:31:57] } 30... g6 { [%eval 0.18] [%clk 0:01:46] } 31. a4 { [%eval 0.13] [%clk 0:29:34] } 31... Nc4?! { [%eval 0.7] } { Inaccuracy. Nb3 was best. } { [%clk 0:01:04] } 32. Rg7+ { [%eval 0.37] [%clk 0:27:53] } 32... Kf8 { [%eval 0.56] [%clk 0:01:28] } 33. Rc7 { [%eval 0.61] [%clk 0:28:19] } 33... Rc1+ { [%eval 0.61] [%clk 0:00:40] } 34. Kg2 { [%eval 0.39] [%clk 0:28:45] } 34... Ne3+ { [%eval 0.56] [%clk 0:00:35] } 35. Kf3 { [%eval 0.61] [%clk 0:29:12] } 35... Rxc7 { [%eval 0.39] [%clk 0:00:57] } 36. Bxc7 { [%eval 0.38] [%clk 0:29:39] } 36... Nd5 { [%eval 0.44] [%clk 0:01:02] } 37. Be5 { [%eval 0.45] [%clk 0:29:39] } 37... Ke7 { [%eval 0.42] [%clk 0:01:16] } 38. Ke4 { [%eval 0.71] [%clk 0:30:03] } 38... Ke6 { [%eval 0.5] [%clk 0:01:39] } 39. g4 { [%eval 0.32] [%clk 0:28:22] } 39... h5 { [%eval 0.42] [%clk 0:01:29] } 40. gxh5 { [%eval 0.33] [%clk 0:28:41] } 40... gxh5 { [%eval 0.45] [%clk 0:01:57] } 41. Bd4 { [%eval 1.0] [%clk 0:28:03] } 41... Kd6?? { [%eval 3.3] } { Blunder. h4 was best. } { [%clk 0:22:39] } 42. Kf5 { [%eval 2.77] [%clk 0:58:22] } 42... Kc6 { [%eval 3.29] [%clk 0:22:40] } 43. Kg5 { [%eval 2.37] [%clk 0:58:35] } 43... b5 { [%eval 1.93] [%clk 0:22:54] } 44. a5?? { [%eval 0.13] } { Blunder. axb5+ was best. } { [%clk 0:59:00] } 44... b4 { [%eval 0.42] [%clk 0:16:01] } 45. Kxh5 { [%eval 0.13] [%clk 0:51:59] } 45... Kb5 { [%eval 0.13] [%clk 0:13:36] } 46. Kg5 { [%eval 0.13] [%clk 0:49:12] } 46... b3 { [%eval 0.13] [%clk 0:08:02] } 47. h4 { [%eval 0.13] [%clk 0:49:06] } 47... Ne7 { [%eval 0.13] [%clk 0:08:24] } 48. h5 { [%eval 0.13] [%clk 0:45:45] } 48... Ng8 { [%eval 0.13] [%clk 0:07:37] } 49. Bc3 { [%eval 0.13] [%clk 0:46:10] } 49... Kc4 { [%eval 0.13] [%clk 0:07:28] } 50. Bb2 { [%eval 0.13] [%clk 0:44:55] } 50... Kb5 { [%eval 0.13] [%clk 0:07:51] } 51. Bc3 { [%eval 0.13] [%clk 0:43:33] } 1/2-1/2