Event: GMT Biel Chess Festival classic
Site: Biel/Bienne, Switzerland
White: Pentala, Harikrishna
WhiteTitle: GM
WhiteElo: 2719
Black: Studer, Noël
BlackTitle: GM
BlackElo: 2437
Result: 1/2-1/2
ECO: E51
Opening: Nimzo-Indian Defense: Normal Variation, Ragozin 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 1:30:55] } 2. c4 { [%eval 0.0] [%clk 1:31:15] } 2... e6 { [%eval 0.23] [%clk 1:31:21] } 3. Nc3 { [%eval 0.13] [%clk 1:31:39] } 3... Bb4 { [%eval 0.11] [%clk 1:31:46] } 4. e3 { [%eval 0.0] [%clk 1:31:40] } 4... O-O { [%eval 0.17] [%clk 1:32:10] } 5. Nf3 { [%eval 0.0] [%clk 1:32:04] } 5... d5 { [%eval 0.07] [%clk 1:32:26] } 6. Bd2 { [%eval 0.0] [%clk 1:32:26] } 6... b6 { [%eval 0.0] [%clk 1:32:37] } 7. cxd5 { [%eval 0.1] [%clk 1:32:07] } 7... exd5 { [%eval 0.25] [%clk 1:32:54] } 8. Bd3 { [%eval 0.09] [%clk 1:31:41] } 8... Bb7 { [%eval 0.13] [%clk 1:33:17] } 9. O-O { [%eval 0.05] [%clk 1:31:53] } 9... Bd6 { [%eval -0.01] [%clk 1:32:08] } 10. Qc2 { [%eval -0.32] [%clk 1:26:39] } 10... c5 { [%eval -0.2] [%clk 1:29:50] } 11. dxc5 { [%eval -0.33] [%clk 1:18:36] } 11... bxc5 { [%eval -0.13] [%clk 1:30:09] } 12. Ne2 { [%eval -0.23] [%clk 1:18:45] } 12... Qe7 { [%eval -0.17] [%clk 1:22:23] } 13. Ng3 { [%eval -0.25] [%clk 1:12:40] } 13... g6 { [%eval -0.13] [%clk 1:20:22] } 14. Rfe1?! { [%eval -0.7] } { Inaccuracy. Bc3 was best. } { [%clk 1:12:07] } 14... Ne4 { [%eval -0.82] [%clk 1:18:05] } 15. Bc3 { [%eval -0.61] [%clk 1:11:02] } 15... f5 { [%eval -0.43] [%clk 1:11:55] } 16. Rad1 { [%eval -0.87] [%clk 1:08:43] } 16... Nc6 { [%eval -0.67] [%clk 1:08:08] } 17. Qa4 { [%eval -1.06] [%clk 0:52:02] } 17... Rad8?! { [%eval -0.48] } { Inaccuracy. a5 was best. } { [%clk 0:38:28] } 18. Bb5 { [%eval -0.83] [%clk 0:47:19] } 18... Qc7 { [%eval -0.6] [%clk 0:33:13] } 19. Rxd5? { [%eval -1.78] } { Mistake. Ba6 was best. } { [%clk 0:24:18] } 19... Nxc3 { [%eval -1.61] [%clk 0:30:00] } 20. bxc3 { [%eval -1.33] [%clk 0:24:22] } 20... Ne5 { [%eval -1.37] [%clk 0:30:27] } 21. Rxe5 { [%eval -1.69] [%clk 0:18:13] } 21... Bxe5 { [%eval -1.59] [%clk 0:30:48] } 22. Ng5 { [%eval -1.57] [%clk 0:18:36] } 22... Bd5 { [%eval -1.42] [%clk 0:23:41] } 23. c4 { [%eval -1.7] [%clk 0:16:45] } 23... Bf7 { [%eval -1.5] [%clk 0:22:42] } 24. Nxf7 { [%eval -1.92] [%clk 0:16:50] } 24... Rxf7 { [%eval -1.56] [%clk 0:23:08] } 25. Bc6 { [%eval -1.52] [%clk 0:17:12] } 25... Rf6 { [%eval -1.33] [%clk 0:18:59] } 26. Bd5+ { [%eval -1.58] [%clk 0:14:48] } 26... Kg7?! { [%eval -1.04] } { Inaccuracy. Kh8 was best. } { [%clk 0:19:24] } 27. f4?! { [%eval -1.8] } { Inaccuracy. Rb1 was best. } { [%clk 0:14:25] } 27... Bc3 { [%eval -1.45] [%clk 0:19:30] } 28. Rb1 { [%eval -1.85] [%clk 0:12:22] } 28... Rb6 { [%eval -1.53] [%clk 0:19:07] } 29. Rb3?! { [%eval -2.13] } { Inaccuracy. Rxb6 was best. } { [%clk 0:11:47] } 29... Rxb3 { [%eval -2.09] [%clk 0:18:10] } 30. axb3 { [%eval -2.04] [%clk 0:12:04] } 30... Rb8 { [%eval -1.97] [%clk 0:16:31] } 31. Kf2 { [%eval -2.27] [%clk 0:09:42] } 31... Qa5? { [%eval -0.97] } { Mistake. Rb4 was best. } { [%clk 0:06:14] } 32. Qd7+ { [%eval -0.95] [%clk 0:08:20] } 32... Kh8 { [%eval -1.04] [%clk 0:06:36] } 33. Ne2 { [%eval -0.99] [%clk 0:07:51] } 33... Bg7 { [%eval -0.84] [%clk 0:06:40] } 34. h3?! { [%eval -1.41] } { Inaccuracy. h4 was best. } { [%clk 0:05:52] } 34... Qb6?! { [%eval -0.6] } { Inaccuracy. a6 was best. } { [%clk 0:04:23] } 35. g4?! { [%eval -1.4] } { Inaccuracy. Nc1 was best. } { [%clk 0:03:26] } 35... a5? { [%eval -0.12] } { Mistake. fxg4 was best. } { [%clk 0:04:14] } 36. gxf5 { [%eval -0.39] [%clk 0:03:03] } 36... Qf6 { [%eval 0.0] [%clk 0:00:40] } 37. fxg6 { [%eval 0.0] [%clk 0:02:46] } 37... hxg6 { [%eval 0.0] [%clk 0:00:43] } 38. Qa4?? { [%eval -1.72] } { Blunder. Ng3 was best. } { [%clk 0:02:04] } 38... Qb6?? { [%eval 0.0] } { Blunder. Qh4+ was best. } { [%clk 0:00:51] } 39. Qa2 { [%eval -0.41] [%clk 0:01:20] } 39... Rf8 { [%eval -0.31] [%clk 0:00:33] } 40. Kg2 { [%eval -0.38] [%clk 0:00:53] } 40... Qb4 { [%eval 0.0] [%clk 0:00:40] } 41. Qc2 { [%eval 0.0] [%clk 0:27:48] } 41... Qe1 { [%eval 0.0] [%clk 0:28:58] } 42. Bf3?! { [%eval -0.79] } { Inaccuracy. Qd3 was best. } { [%clk 0:27:12] } 42... Kh7?! { [%eval 0.0] } { Inaccuracy. Bf6 was best. } { [%clk 0:27:40] } 43. Qd3 { [%eval 0.0] [%clk 0:25:43] } 43... Bf6 { [%eval 0.0] [%clk 0:13:22] } 44. Qd7+ { [%eval 0.0] [%clk 0:19:38] } 44... Kh6 { [%eval 0.0] [%clk 0:13:48] } 45. Qd6 { [%eval 0.0] [%clk 0:18:15] } 45... Kg7 { [%eval 0.0] [%clk 0:13:55] } 46. Qxc5 { [%eval 0.0] [%clk 0:11:48] } 46... Bh4 { [%eval 0.0] [%clk 0:13:19] } 47. Qd4+ { [%eval 0.0] [%clk 0:08:44] } 47... Kh6 { [%eval 0.0] [%clk 0:08:34] } 48. e4 { [%eval 0.0] [%clk 0:08:45] } 48... Rd8 { [%eval 0.0] [%clk 0:06:27] } 49. Qc5 { [%eval 0.0] [%clk 0:08:33] } 49... Rd2 { [%eval 0.0] [%clk 0:01:58] } 50. Qf8+ { [%eval 0.0] [%clk 0:08:43] } 50... Kh7 { [%clk 0:02:24] } 51. Qf7+ { [%clk 0:09:08] } 51... Kh6 { [%clk 0:02:50] } 52. Qf8+ { [%clk 0:09:32] } 1/2-1/2