Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-15
White: Tahay, Alexis
WhiteTitle: IM
WhiteElo: 2375
Black: Aditya Varun Gampa
BlackTitle: FM
BlackElo: 2187
Result: 0-1
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:40:39] } 1... c5 { [%eval 0.25] [%clk 1:33:51] } 2. Nf3 { [%eval 0.2] [%clk 1:40:38] } 2... d6 { [%eval 0.31] [%clk 1:33:37] } 3. d4 { [%eval 0.22] [%clk 1:40:55] } 3... cxd4 { [%eval 0.19] [%clk 1:33:41] } 4. Nxd4 { [%eval 0.18] [%clk 1:41:20] } 4... Nf6 { [%eval 0.31] [%clk 1:34:06] } 5. Nc3 { [%eval 0.32] [%clk 1:41:45] } 5... a6 { [%eval 0.28] [%clk 1:34:34] } 6. g3 { [%eval 0.08] [%clk 1:41:49] } 6... e5 { [%eval 0.04] [%clk 1:34:57] } 7. Nb3 { [%eval 0.08] [%clk 1:42:14] } 7... Be7 { [%eval 0.11] [%clk 1:35:10] } 8. Bg2 { [%eval 0.08] [%clk 1:42:40] } 8... O-O { [%eval 0.22] [%clk 1:34:06] } 9. O-O { [%eval 0.12] [%clk 1:43:06] } 9... Be6 { [%eval 0.27] [%clk 1:33:05] } 10. a4 { [%eval 0.2] [%clk 1:42:28] } 10... Qc7 { [%eval 0.2] [%clk 1:33:08] } 11. Re1 { [%eval 0.16] [%clk 1:33:28] } 11... Rc8 { [%eval 0.21] [%clk 1:28:12] } 12. h3 { [%eval 0.23] [%clk 1:36:56] } 12... Nbd7 { [%eval 0.21] [%clk 1:27:47] } 13. Nd2 { [%eval 0.25] [%clk 1:36:47] } 13... Bd8 { [%eval 0.19] [%clk 1:27:41] } 14. Nf1 { [%eval 0.13] [%clk 1:32:05] } 14... Qc5 { [%eval 0.16] [%clk 1:26:31] } 15. Re2 { [%eval -0.06] [%clk 1:22:26] } 15... Ba5 { [%eval 0.19] [%clk 1:10:43] } 16. Nd5 { [%eval 0.24] [%clk 1:17:52] } 16... Nxd5 { [%eval 0.29] [%clk 1:10:23] } 17. exd5 { [%eval 0.32] [%clk 1:18:15] } 17... Bf5 { [%eval 0.3] [%clk 1:10:48] } 18. c3 { [%eval 0.17] [%clk 1:11:14] } 18... Bd8 { [%eval 0.25] [%clk 1:05:24] } 19. Ne3 { [%eval 0.23] [%clk 1:03:59] } 19... Bg6 { [%eval 0.21] [%clk 1:05:38] } 20. a5 { [%eval -0.07] [%clk 0:58:09] } 20... f5 { [%eval 0.41] [%clk 1:02:55] } 21. Re1 { [%eval 0.26] [%clk 0:53:29] } 21... e4?! { [%eval 1.3] } { Inaccuracy. Nf6 was best. } { [%clk 0:55:19] } 22. h4 { [%eval 1.4] [%clk 0:49:49] } 22... h6 { [%eval 1.57] [%clk 0:44:28] } 23. h5 { [%eval 1.08] [%clk 0:38:12] } 23... Bh7 { [%eval 1.01] [%clk 0:53:36] } 24. Qa4 { [%eval 0.8] [%clk 0:37:41] } 24... Nf6 { [%eval 0.87] [%clk 0:48:53] } 25. Bh3 { [%eval 0.89] [%clk 0:37:16] } 25... f4?! { [%eval 1.65] } { Inaccuracy. Kh8 was best. } { [%clk 0:41:42] } 26. gxf4 { [%eval 1.8] [%clk 0:33:43] } 26... Be7 { [%eval 2.29] [%clk 0:40:49] } 27. Nf5?? { [%eval 0.22] } { Blunder. Qb3 was best. } { [%clk 0:27:45] } 27... Bxf5 { [%eval 0.17] [%clk 0:35:04] } 28. Bxf5 { [%eval 0.38] [%clk 0:28:13] } 28... Qxd5 { [%eval 0.26] [%clk 0:35:27] } 29. Bxe4 { [%eval 0.0] [%clk 0:24:10] } 29... Nxe4 { [%eval 0.11] [%clk 0:35:35] } 30. Qxe4 { [%eval 0.1] [%clk 0:24:33] } 30... Qxh5 { [%eval 0.1] [%clk 0:35:12] } 31. Qxb7 { [%eval 0.02] [%clk 0:23:37] } 31... Rab8 { [%eval 0.0] [%clk 0:16:24] } 32. Qd7 { [%eval 0.0] [%clk 0:13:28] } 32... Re8 { [%eval 0.0] [%clk 0:18:14] } 33. Kg2 { [%eval -0.07] [%clk 0:10:13] } 33... Bf6 { [%eval 0.0] [%clk 0:12:28] } 34. Rxe8+ { [%eval 0.0] [%clk 0:10:21] } 34... Rxe8 { [%eval 0.0] [%clk 0:12:54] } 35. Qh3 { [%eval -0.23] [%clk 0:03:05] } 35... Qb5 { [%eval 0.0] [%clk 0:09:38] } 36. Be3 { [%eval 0.0] [%clk 0:02:09] } 36... Qxb2 { [%eval 0.0] [%clk 0:10:29] } 37. Rd1 { [%eval 0.0] [%clk 0:01:28] } 37... Qxc3 { [%eval 0.0] [%clk 0:08:57] } 38. Rxd6 { [%eval 0.0] [%clk 0:01:25] } 38... Qxa5 { [%eval 0.0] [%clk 0:08:05] } 39. Qd7 { [%eval 0.0] [%clk 0:01:31] } 39... Qh5 { [%eval 0.0] [%clk 0:04:43] } 40. Rd5?! { [%eval -1.02] } { Inaccuracy. Rc6 was best. } { [%clk 0:00:34] } 40... Qg6+ { [%eval -0.75] [%clk 0:04:56] } 41. Kh3 { [%eval -0.85] [%clk 0:24:13] } 41... Qe4 { [%eval -0.83] [%clk 0:33:05] } 42. Kh2 { [%eval -0.58] [%clk 0:16:24] } 42... Rd8 { [%eval -0.61] [%clk 0:32:48] } 43. Rd4 { [%eval -0.68] [%clk 0:16:53] } 43... Rxd7 { [%eval -0.59] [%clk 0:28:09] } 44. Rxe4 { [%eval -0.84] [%clk 0:17:22] } 44... Kf7 { [%eval -0.51] [%clk 0:27:58] } 45. Ra4 { [%eval -0.48] [%clk 0:16:09] } 45... Rd6 { [%eval -0.59] [%clk 0:28:22] } 46. f5 { [%eval -0.57] [%clk 0:16:04] } 46... Bc3 { [%eval -0.08] [%clk 0:27:22] } 47. Rc4 { [%eval -0.12] [%clk 0:15:41] } 47... Be5+ { [%eval -0.06] [%clk 0:26:56] } 48. Kh3 { [%eval -0.34] [%clk 0:15:11] } 48... Kf6 { [%eval 0.0] [%clk 0:26:11] } 49. Rc5 { [%eval 0.0] [%clk 0:12:07] } 49... Rd3 { [%eval 0.0] [%clk 0:21:39] } 50. Kg4 { [%eval -0.46] [%clk 0:11:07] } 50... Ra3 { [%eval 0.0] [%clk 0:23:45] } 51. Rc6+ { [%eval -0.1] [%clk 0:09:09] } 51... Kf7 { [%eval -0.02] [%clk 0:24:10] } 52. Rc5 { [%eval -0.02] [%clk 0:07:21] } 52... Bf6 { [%eval 0.0] [%clk 0:24:13] } 53. Rc7+ { [%eval 0.0] [%clk 0:06:53] } 53... Ke8 { [%eval 0.0] [%clk 0:24:04] } 54. Rc6 { [%eval -0.28] [%clk 0:04:38] } 54... Ra4+ { [%eval -0.3] [%clk 0:23:13] } 55. Kh5 { [%eval -0.55] [%clk 0:00:03] } 55... a5 { [%eval -0.17] [%clk 0:17:37] } 56. Kg6 { [%eval -0.04] [%clk 0:03:20] } 56... Rg4+ { [%eval -0.07] [%clk 0:17:06] } 57. Kh5 { [%eval -0.23] [%clk 0:03:33] } 57... Re4 { [%eval -0.29] [%clk 0:16:39] } 58. Kg6 { [%eval -0.55] [%clk 0:03:41] } 58... a4 { [%eval -0.35] [%clk 0:16:14] } 59. Ra6 { [%eval -0.3] [%clk 0:03:55] } 59... Bb2 { [%eval 0.0] [%clk 0:15:51] } 60. Ra8+ { [%eval -0.12] [%clk 0:02:21] } 60... Kd7 { [%eval -0.65] [%clk 0:16:07] } 61. Bxh6?? { [%eval -5.38] } { Blunder. Ra7+ was best. } { [%clk 0:00:41] } 61... gxh6 { [%eval -5.37] [%clk 0:16:19] } 62. f6 { [%eval -5.37] [%clk 0:01:11] } 62... Rf4 { [%eval -5.31] [%clk 0:09:03] } 63. f7 { [%eval -5.11] [%clk 0:01:23] } 63... Rf6+?! { [%eval -3.25] } { Inaccuracy. Ba3 was best. } { [%clk 0:09:21] } 64. Kh5 { [%eval -3.03] [%clk 0:01:47] } 64... Rxf7?? { [%eval -0.44] } { Blunder. Ke7 was best. } { [%clk 0:06:36] } 65. Rxa4 { [%eval -0.55] [%clk 0:02:16] } 65... Rf6 { [%eval -0.97] [%clk 0:06:45] } 66. Re4?? { [%eval -3.33] } { Blunder. f4 was best. } { [%clk 0:01:59] } 66... Bc1 { [%eval -3.35] [%clk 0:06:45] } 67. Re2 { [%eval -3.45] [%clk 0:01:58] } 67... Bg5 { [%eval -3.28] [%clk 0:04:49] } 68. Kg4 { [%eval -3.29] [%clk 0:00:43] } 68... Rf4+ { [%eval -3.53] [%clk 0:05:12] } 69. Kg3 { [%eval -3.39] [%clk 0:00:18] } 69... Ra4 { [%eval -3.39] [%clk 0:05:20] } 70. f3 { [%eval -3.37] [%clk 0:01:25] } 70... Bf4+ { [%eval -3.34] [%clk 0:04:28] } 71. Kh3 { [%eval -3.33] [%clk 0:01:39] } 71... Bd6 { [%eval -3.43] [%clk 0:04:39] } 72. Kg2 { [%eval -3.41] [%clk 0:00:01] } 72... Be7 { [%eval -3.35] [%clk 0:04:53] } 73. Kg3 { [%eval -3.42] [%clk 0:01:00] } 73... Ke8 { [%eval -4.26] [%clk 0:05:16] } 74. Re6 { [%eval -4.26] [%clk 0:01:24] } 74... h5 { [%eval -4.29] [%clk 0:05:07] } 75. Re5 { [%eval -4.16] [%clk 0:00:49] } 75... h4+ { [%eval -3.82] [%clk 0:05:27] } 76. Kh3 { [%eval -4.17] [%clk 0:01:10] } 76... Rf4 { [%eval -4.17] [%clk 0:05:46] } 77. Kg2 { [%eval -3.98] [%clk 0:01:25] } 77... Kf7 { [%eval -3.58] [%clk 0:06:04] } 78. Re4 { [%eval -3.52] [%clk 0:01:39] } 78... Rf5 { [%eval -4.58] [%clk 0:06:27] } 79. Ra4 { [%eval -4.88] [%clk 0:01:13] } 79... Rd5 { [%eval -4.69] [%clk 0:04:54] } 80. Rf4+ { [%eval -4.7] [%clk 0:00:42] } 80... Bf6 { [%eval -4.2] [%clk 0:06:41] } 81. Rg4 { [%eval -5.38] [%clk 0:00:41] } 81... Rd2+ { [%eval -5.42] [%clk 0:07:07] } 82. Kh3 { [%eval -5.47] [%clk 0:01:04] } 82... Rf2 { [%eval -5.36] [%clk 0:07:26] } 83. Rf4 { [%eval -5.39] [%clk 0:01:32] } 83... Kg6 { [%eval -5.54] [%clk 0:07:46] } 84. Kg4 { [%eval -6.39] [%clk 0:01:30] } 84... Rg2+ { [%eval -6.38] [%clk 0:04:43] } 85. Kh3 { [%eval -6.13] [%clk 0:01:59] } 85... Rg3+ { [%eval -5.56] [%clk 0:04:58] } 86. Kh2 { [%eval -7.68] [%clk 0:02:28] } 86... Bg5 { [%eval -6.27] [%clk 0:05:00] } 87. Rf8 { [%eval -6.09] [%clk 0:02:23] } 87... Bf6 { [%eval -5.89] [%clk 0:05:10] } 88. Rg8+ { [%eval -6.24] [%clk 0:02:30] } 88... Kf5 { [%eval -7.82] [%clk 0:05:22] } 89. Rc8 { [%eval -8.04] [%clk 0:02:04] } 89... Rxf3 { [%eval -7.69] [%clk 0:05:43] } 90. Kg2 { [%eval -6.32] [%clk 0:01:57] } 90... Rg3+ { [%eval -6.29] [%clk 0:06:04] } 91. Kh2?? { [%eval #-34] } { Checkmate is now unavoidable. Kh1 was best. } { [%clk 0:01:58] } 91... Be5 { [%eval #-33] [%clk 0:06:21] } 92. Kh1 { [%eval -50.67] [%clk 0:02:10] } 92... Bf4 { [%eval -8.46] [%clk 0:06:39] } 93. Ra8 { [%eval -7.38] [%clk 0:02:14] } 93... Kg4 { [%eval -8.95] [%clk 0:06:39] } 94. Ra1 { [%eval -8.85] [%clk 0:02:33] } 94... Rc3 { [%eval -8.19] [%clk 0:05:01] } 95. Kg2 { [%eval -8.4] [%clk 0:01:39] } 95... Rc2+ { [%eval -7.49] [%clk 0:05:28] } 96. Kh1? { [%eval #-11] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:01:58] } 96... Kh3 { [%eval #-12] [%clk 0:04:38] } 97. Kg1 { [%eval #-9] [%clk 0:00:33] } 97... Be3+ { [%eval #-8] [%clk 0:04:25] } 98. Kf1 { [%eval #-8] [%clk 0:01:02] } 98... Rf2+?! { [%eval -24.65] } { Lost forced checkmate sequence. Kg3 was best. } { [%clk 0:04:14] } 99. Ke1 { [%eval -11.0] [%clk 0:01:31] } 99... Rf3 { [%eval -9.52] [%clk 0:03:57] } 100. Ke2 { [%eval -9.43] [%clk 0:01:43] } 100... Kg2 { [%eval -8.45] [%clk 0:01:59] } 0-1