Event: Biel Chess Festival 2025 Blitz
Site: Biel, Switzerland
Date: 2025-07-20
White: Poh, Yu Tian
WhiteTitle: IM
WhiteElo: 2274
Black: Altenburger, Rene
BlackElo: 1978
Result: 0-1
ECO: C75
Opening: Ruy Lopez: Morphy Defense, Modern Steinitz Defense
Variant: Standard
TimeControl: 3 min + 2 sec per move

1. e4 { [%eval 0.18] [%clk 0:03:02] } 1... e5 { [%eval 0.22] [%clk 0:03:03] } 2. Nf3 { [%eval 0.13] [%clk 0:03:02] } 2... Nc6 { [%eval 0.21] [%clk 0:03:04] } 3. Bb5 { [%eval 0.15] [%clk 0:03:02] } 3... a6 { [%eval 0.21] [%clk 0:03:01] } 4. Ba4 { [%eval 0.11] [%clk 0:03:02] } 4... d6 { [%eval 0.3] [%clk 0:02:51] } 5. c3 { [%eval 0.32] [%clk 0:02:54] } 5... Bd7 { [%eval 0.52] [%clk 0:02:52] } 6. d4 { [%eval 0.36] [%clk 0:02:53] } 6... Nf6 { [%eval 0.39] [%clk 0:02:44] } 7. O-O { [%eval 0.16] [%clk 0:02:52] } 7... Be7 { [%eval 0.53] [%clk 0:02:45] } 8. Re1 { [%eval 0.53] [%clk 0:02:51] } 8... O-O { [%eval 0.51] [%clk 0:02:46] } 9. Nbd2 { [%eval 0.53] [%clk 0:02:51] } 9... Re8 { [%eval 0.61] [%clk 0:02:25] } 10. d5 { [%eval 0.31] [%clk 0:02:49] } 10... Nb8 { [%eval 0.33] [%clk 0:02:26] } 11. Bc2 { [%eval 0.33] [%clk 0:02:49] } 11... Bf8 { [%eval 0.68] [%clk 0:02:27] } 12. Nf1 { [%eval 0.49] [%clk 0:02:49] } 12... g6 { [%eval 0.59] [%clk 0:02:28] } 13. Ng3 { [%eval 0.34] [%clk 0:02:45] } 13... Bg7 { [%eval 0.58] [%clk 0:02:26] } 14. Bd2 { [%eval 0.3] [%clk 0:02:41] } 14... Bc8 { [%eval 0.76] [%clk 0:02:17] } 15. Qc1 { [%eval 0.4] [%clk 0:02:37] } 15... Nbd7 { [%eval 0.53] [%clk 0:02:17] } 16. Bh6 { [%eval 0.36] [%clk 0:02:37] } 16... Bh8 { [%eval 0.73] [%clk 0:02:18] } 17. h3 { [%eval 0.8] [%clk 0:02:37] } 17... Nf8 { [%eval 1.04] [%clk 0:02:10] } 18. Nh2 { [%eval 0.77] [%clk 0:02:31] } 18... c6 { [%eval 0.85] [%clk 0:02:04] } 19. c4 { [%eval 0.85] [%clk 0:02:31] } 19... c5 { [%eval 1.41] [%clk 0:01:58] } 20. a3 { [%eval 1.15] [%clk 0:02:26] } 20... b5 { [%eval 1.16] [%clk 0:01:54] } 21. b4 { [%eval 1.08] [%clk 0:02:21] } 21... cxb4 { [%eval 1.13] [%clk 0:01:43] } 22. axb4 { [%eval 1.09] [%clk 0:02:21] } 22... bxc4 { [%eval 1.1] [%clk 0:01:42] } 23. Ba4 { [%eval 1.2] [%clk 0:02:22] } 23... Bd7 { [%eval 1.03] [%clk 0:01:43] } 24. Qxc4 { [%eval 0.9] [%clk 0:02:22] } 24... Rc8? { [%eval 2.33] } { Mistake. Bxa4 was best. } { [%clk 0:01:28] } 25. Qd3 { [%eval 1.77] [%clk 0:01:58] } 25... Qb6 { [%eval 1.91] [%clk 0:01:15] } 26. Reb1 { [%eval 1.78] [%clk 0:01:59] } 26... Bb5 { [%eval 1.76] [%clk 0:01:00] } 27. Bxb5 { [%eval 1.49] [%clk 0:01:59] } 27... axb5? { [%eval 3.07] } { Mistake. Qxb5 was best. } { [%clk 0:01:01] } 28. Be3 { [%eval 3.1] [%clk 0:01:51] } 28... Qb7 { [%eval 2.94] [%clk 0:00:57] } 29. Ra7 { [%eval 3.0] [%clk 0:01:50] } 29... Qb8 { [%eval 2.94] [%clk 0:00:55] } 30. Ra6 { [%eval 2.73] [%clk 0:01:34] } 30... N8d7 { [%eval 2.75] [%clk 0:00:53] } 31. Rc6 { [%eval 2.34] [%clk 0:01:31] } 31... Bg7 { [%eval 2.9] [%clk 0:00:40] } 32. Rbc1 { [%eval 2.73] [%clk 0:01:31] } 32... Bf8 { [%eval 2.72] [%clk 0:00:38] } 33. Nhf1 { [%eval 2.5] [%clk 0:01:25] } 33... h5 { [%eval 3.05] [%clk 0:00:37] } 34. Nd2 { [%eval 3.13] [%clk 0:01:26] } 34... h4 { [%eval 2.96] [%clk 0:00:37] } 35. Ne2 { [%eval 3.16] [%clk 0:01:26] } 35... Nh5 { [%eval 3.56] [%clk 0:00:34] } 36. Rxc8 { [%eval 3.46] [%clk 0:01:19] } 36... Rxc8 { [%eval 3.34] [%clk 0:00:35] } 37. Rxc8 { [%eval 3.37] [%clk 0:01:20] } 37... Qxc8 { [%eval 3.43] [%clk 0:00:36] } 38. Qxb5 { [%eval 3.32] [%clk 0:01:20] } 38... Nf4 { [%eval 4.08] [%clk 0:00:32] } 39. Nxf4 { [%eval 4.03] [%clk 0:01:16] } 39... exf4 { [%eval 4.1] [%clk 0:00:31] } 40. Bxf4 { [%eval 4.24] [%clk 0:01:17] } 40... Ne5 { [%eval 4.75] [%clk 0:00:27] } 41. Bxe5 { [%eval 4.62] [%clk 0:01:16] } 41... dxe5 { [%eval 4.57] [%clk 0:00:28] } 42. Qc6 { [%eval 4.1] [%clk 0:01:16] } 42... Qb8?! { [%eval 5.84] } { Inaccuracy. Qd8 was best. } { [%clk 0:00:27] } 43. b5 { [%eval 5.73] [%clk 0:01:16] } 43... Bb4 { [%eval 5.95] [%clk 0:00:24] } 44. Nc4 { [%eval 5.75] [%clk 0:01:14] } 44... Qa7 { [%eval 5.82] [%clk 0:00:28] } 45. Ne3?! { [%eval 4.29] } { Inaccuracy. b6 was best. } { [%clk 0:01:10] } 45... Qa1+ { [%eval 4.07] [%clk 0:00:24] } 46. Nf1 { [%eval 3.89] [%clk 0:01:09] } 46... Qd4 { [%eval 4.38] [%clk 0:00:28] } 47. Qc2?! { [%eval 3.32] } { Inaccuracy. b6 was best. } { [%clk 0:01:03] } 47... Bc5 { [%eval 3.28] [%clk 0:00:29] } 48. Qe2 { [%eval 3.26] [%clk 0:01:02] } 48... Kg7 { [%eval 3.28] [%clk 0:00:30] } 49. Nd2?! { [%eval 2.0] } { Inaccuracy. g3 was best. } { [%clk 0:00:57] } 49... Qa1+?! { [%eval 2.88] } { Inaccuracy. Qb2 was best. } { [%clk 0:00:32] } 50. Qf1 { [%eval 2.63] [%clk 0:00:51] } 50... Qd4?? { [%eval 5.41] } { Blunder. Qa4 was best. } { [%clk 0:00:29] } 51. Qe2?? { [%eval 1.91] } { Blunder. Nb3 was best. } { [%clk 0:00:47] } 51... Qa1+?! { [%eval 2.92] } { Inaccuracy. Qb2 was best. } { [%clk 0:00:34] } 52. Kh2?? { [%eval 0.08] } { Blunder. Nf1 was best. } { [%clk 0:00:48] } 52... Qd4?? { [%eval 3.9] } { Blunder. Qb2 was best. } { [%clk 0:00:34] } 53. Nb3 { [%eval 3.7] [%clk 0:00:38] } 53... Qxf2 { [%eval 3.03] [%clk 0:00:33] } 54. Qxf2 { [%eval 3.26] [%clk 0:00:38] } 54... Bxf2 { [%eval 2.52] [%clk 0:00:34] } 55. Na5?? { [%eval 0.11] } { Blunder. Nd2 was best. } { [%clk 0:00:37] } 55... f5 { [%eval 0.28] [%clk 0:00:30] } 56. Nc4 { [%eval 0.0] [%clk 0:00:24] } 56... fxe4 { [%eval 0.0] [%clk 0:00:31] } 57. b6?? { [%eval -6.6] } { Blunder. g4 was best. } { [%clk 0:00:19] } 57... e3 { [%eval -5.83] [%clk 0:00:32] } 58. Nb2?? { [%eval #-7] } { Checkmate is now unavoidable. Nxe5 was best. } { [%clk 0:00:12] } 58... e2 { [%eval #-7] [%clk 0:00:31] } 59. Nd3 { [%eval #-7] [%clk 0:00:11] } 59... Bxb6 { [%eval #-20] [%clk 0:00:29] } 60. d6 { [%eval -10.01] [%clk 0:00:08] } 60... Kf6 { [%eval -9.04] [%clk 0:00:33] } 61. g3 { [%eval -9.26] [%clk 0:00:09] } 61... hxg3+ { [%eval -8.02] [%clk 0:00:32] } 62. Kxg3 { [%eval -8.01] [%clk 0:00:10] } 62... Ba5 { [%eval -59.14] [%clk 0:00:33] } 63. Kf2 { [%eval -83.08] [%clk 0:00:03] } 63... e1=Q+ { [%eval -83.2] [%clk 0:00:31] } 64. Nxe1 { [%eval -16.14] [%clk 0:01:03] } 64... Bxe1+ { [%eval -10.98] [%clk 0:00:32] } 65. Kxe1?! { [%eval #-25] } { Checkmate is now unavoidable. Kf3 was best. } { [%clk 0:00:50] } 65... Ke6 { [%eval #-25] [%clk 0:00:34] } 66. Kf2 { [%eval -80.3] [%clk 0:00:51] } 66... Kxd6 { [%eval -80.21] [%clk 0:00:35] } 67. Kf3 { [%eval -83.08] [%clk 0:00:46] } 67... Kd5 { [%eval #-18] [%clk 0:00:35] } 68. Ke3 { [%eval #-17] [%clk 0:00:22] } 68... g5 { [%eval #-16] [%clk 0:00:25] } 69. Kf3 { [%eval #-15] [%clk 0:00:18] } 69... e4+ { [%eval #-15] [%clk 0:00:26] } 70. Kf2 { [%eval #-13] [%clk 0:00:17] } 70... Kd4 { [%eval #-12] [%clk 0:00:27] } 71. Ke2 { [%eval #-12] [%clk 0:00:19] } 71... e3 { [%eval #-11] [%clk 0:00:28] } 72. Ke1 { [%eval #-15] [%clk 0:00:20] } 72... Ke4 { [%eval #-13] [%clk 0:00:29] } 73. Ke2 { [%eval #-13] [%clk 0:00:20] } 73... Kf4 { [%eval #-12] [%clk 0:00:31] } 74. Ke1 { [%eval #-13] [%clk 0:00:21] } 74... Kf3 { [%eval #-12] [%clk 0:00:32] } 75. Kf1 { [%eval #-6] [%clk 0:00:22] } 75... Kg3 { [%eval #-15] [%clk 0:00:33] } 76. Ke2 { [%eval #-15] [%clk 0:00:23] } 76... Kxh3 { [%eval #-14] [%clk 0:00:34] } 77. Kf3 { [%eval #-13] [%clk 0:00:24] } 77... g4+ { [%eval #-12] [%clk 0:00:35] } 78. Kxe3 { [%eval #-12] [%clk 0:00:25] } 78... Kh2 { [%eval #-12] [%clk 0:00:36] } 79. Kf2 { [%eval #-12] [%clk 0:00:27] } 79... g3+ { [%eval #-11] [%clk 0:00:38] } 80. Kf3 { [%eval #-11] [%clk 0:00:28] } 80... g2 { [%eval #-10] [%clk 0:00:39] } 81. Kf2 { [%eval #-6] [%clk 0:00:30] } 81... g1=Q+ { [%eval #-5] [%clk 0:00:37] } 82. Kf3 { [%eval #-4] [%clk 0:00:31] } 82... Qg5 { [%eval #-7] [%clk 0:00:41] } 83. Ke4 { [%eval #-7] [%clk 0:00:33] } 83... Kg3 { [%eval #-7] [%clk 0:00:42] } 84. Kd4 { [%eval #-7] [%clk 0:00:34] } 84... Qf6+ { [%eval #-8] [%clk 0:00:42] } 85. Ke4 { [%eval #-5] [%clk 0:00:36] } 85... Kg4 { [%eval #-7] [%clk 0:00:43] } 86. Kd5 { [%eval #-7] [%clk 0:00:37] } 86... Qe7 { [%eval #-7] [%clk 0:00:44] } 87. Kd4 { [%eval #-7] [%clk 0:00:39] } 87... Qe6 { [%eval #-7] [%clk 0:00:45] } 88. Kc5 { [%eval #-7] [%clk 0:00:40] } 88... Qd7 { [%eval #-7] [%clk 0:00:46] } 89. Kc4 { [%eval #-7] [%clk 0:00:41] } 89... Qd6 { [%eval #-7] [%clk 0:00:48] } 90. Kc3 { [%eval #-7] [%clk 0:00:42] } 90... Qd5 { [%eval #-7] [%clk 0:00:50] } 91. Kc2 { [%eval #-7] [%clk 0:00:44] } 91... Qd4 { [%eval #-6] [%clk 0:00:52] } 92. Kb3 { [%eval #-6] [%clk 0:00:45] } 92... Qb6+ { [%eval #-7] } 93. Ka3 { [%eval #-5] [%clk 0:00:49] } 93... Kf4 { [%eval #-4] [%clk 0:00:56] } 94. Ka4 { [%eval #-4] [%clk 0:00:50] } 94... Ke4 { [%eval #-3] [%clk 0:00:58] } 95. Ka3 { [%eval #-3] [%clk 0:00:52] } 95... Kd4 { [%eval #-2] [%clk 0:01:00] } 96. Ka2 { [%eval #-2] [%clk 0:00:54] } 96... Kc3 { [%eval #-1] [%clk 0:00:58] } 97. Ka1 { [%eval #-1] [%clk 0:00:53] } 97... Qb2# { [%clk 0:01:00] } 0-1