Event: Biel Chess Festival 2025 MTO
Site: Biel, Switzerland
Date: 2025-07-22
White: Song, Ethan
WhiteTitle: FM
WhiteElo: 2288
Black: Yang, Ray
BlackTitle: FM
BlackElo: 2081
Result: 1-0
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard
TimeControl: 100 min 40 moves + 30 min Rest + 30 sec per move

1. e4 { [%eval 0.18] [%clk 1:38:03] } 1... c5 { [%eval 0.25] [%clk 1:40:56] } 2. Nf3 { [%eval 0.2] [%clk 1:38:27] } 2... d6 { [%eval 0.31] [%clk 1:41:21] } 3. Bb5+ { [%eval 0.14] [%clk 1:38:53] } 3... Nd7 { [%eval 0.12] [%clk 1:41:43] } 4. c4 { [%eval 0.01] [%clk 1:39:19] } 4... Nf6 { [%eval 0.23] [%clk 1:41:15] } 5. Nc3 { [%eval 0.2] [%clk 1:39:21] } 5... g6 { [%eval 0.06] [%clk 1:41:38] } 6. O-O { [%eval 0.24] [%clk 1:38:44] } 6... Bg7 { [%eval 0.2] [%clk 1:42:02] } 7. d4 { [%eval 0.18] [%clk 1:37:44] } 7... cxd4 { [%eval 0.18] } 8. Nxd4 { [%eval 0.23] [%clk 1:37:50] } 8... O-O { [%eval 0.13] [%clk 1:42:05] } 9. Bxd7 { [%eval 0.17] [%clk 1:35:32] } 9... Bxd7 { [%eval 0.17] [%clk 1:41:29] } 10. h3 { [%eval -0.13] [%clk 1:31:30] } 10... Qb6 { [%eval -0.09] [%clk 1:36:40] } 11. Nde2?! { [%eval -0.75] } { Inaccuracy. Re1 was best. } { [%clk 1:29:34] } 11... Rfc8 { [%eval -0.39] [%clk 1:28:36] } 12. Qd3 { [%eval -0.75] [%clk 1:22:37] } 12... Qb4?! { [%eval 0.15] } { Inaccuracy. Qc6 was best. } { [%clk 1:30:53] } 13. b3 { [%eval 0.23] [%clk 1:22:14] } 13... b5 { [%eval 0.32] [%clk 1:28:56] } 14. cxb5 { [%eval 0.33] [%clk 1:19:10] } 14... Nxe4 { [%eval 0.4] [%clk 1:18:48] } 15. Nd5 { [%eval 0.37] [%clk 1:11:32] } 15... Bxb5 { [%eval 0.42] [%clk 1:24:45] } 16. Qe3 { [%eval 0.48] [%clk 1:08:52] } 16... Bxe2?? { [%eval 4.17] } { Blunder. Qa5 was best. } { [%clk 1:24:47] } 17. Nxb4 { [%eval 4.05] [%clk 1:08:36] } 17... Bxf1 { [%eval 4.24] [%clk 1:20:30] } 18. Qxe4 { [%eval 3.98] [%clk 1:03:02] } 18... Bxa1 { [%eval 3.81] [%clk 1:24:50] } 19. Nc6? { [%eval 1.89] } { Mistake. Bh6 was best. } { [%clk 1:00:37] } 19... Bd3 { [%eval 2.01] [%clk 1:22:58] } 20. Nxe7+ { [%eval 1.82] [%clk 1:00:38] } 20... Kh8 { [%eval 1.99] [%clk 1:23:23] } 21. Qe3 { [%eval 1.86] [%clk 0:54:13] } 21... Re8 { [%eval 1.89] [%clk 1:22:05] } 22. Ba3 { [%eval 1.5] [%clk 0:52:19] } 22... Rad8 { [%eval 1.22] [%clk 1:21:47] } 23. Qc1?! { [%eval 0.42] } { Inaccuracy. Qxa7 was best. } { [%clk 0:46:41] } 23... Be5 { [%eval 0.43] [%clk 1:15:14] } 24. Nd5 { [%eval 0.0] [%clk 0:46:34] } 24... Rc8?! { [%eval 0.83] } { Inaccuracy. Be4 was best. } { [%clk 1:17:11] } 25. Qd2 { [%eval 0.82] [%clk 0:43:59] } 25... Be4 { [%eval 0.72] [%clk 1:17:14] } 26. Ne3 { [%eval 1.0] [%clk 0:39:20] } 26... d5?? { [%eval 3.18] } { Blunder. Kg8 was best. } { [%clk 1:09:06] } 27. Bb2 { [%eval 2.93] [%clk 0:28:44] } 27... f6 { [%eval 2.88] [%clk 1:01:48] } 28. Bxe5 { [%eval 2.58] [%clk 0:39:22] } 28... fxe5?! { [%eval 3.56] } { Inaccuracy. Rxe5 was best. } { [%clk 1:00:57] } 29. f3 { [%eval 3.55] [%clk 0:35:56] } 29... Bb1 { [%eval 3.71] [%clk 0:57:14] } 30. Qxd5 { [%eval 3.69] [%clk 0:37:12] } 30... Bxa2 { [%eval 3.98] [%clk 0:54:44] } 31. Ng4 { [%eval 3.42] [%clk 0:31:30] } 31... Rb8?! { [%eval 4.43] } { Inaccuracy. Re7 was best. } { [%clk 0:49:29] } 32. Nf6?! { [%eval 2.81] } { Inaccuracy. Qf7 was best. } { [%clk 0:34:44] } 32... Re7 { [%eval 3.15] [%clk 0:47:38] } 33. Qd6?! { [%eval 2.36] } { Inaccuracy. Qc5 was best. } { [%clk 0:34:56] } 33... Rbb7 { [%eval 2.3] [%clk 0:47:49] } 34. Nd5 { [%eval 2.32] [%clk 0:34:08] } 34... Re8?? { [%eval 5.21] } { Blunder. Rg7 was best. } { [%clk 0:46:08] } 35. Qa6 { [%eval 5.02] [%clk 0:33:48] } 35... Rd7 { [%eval 5.0] [%clk 0:45:58] } 36. Nf6 { [%eval 5.02] [%clk 0:34:05] } 36... Rd1+ { [%eval 4.97] [%clk 0:46:10] } 37. Kh2 { [%eval 4.68] [%clk 0:34:31] } 37... Rf8 { [%eval 4.82] [%clk 0:45:53] } 38. Ng4 { [%eval 4.65] [%clk 0:32:30] } 38... Bxb3 { [%eval 4.01] [%clk 0:44:41] } 39. Qa3 { [%eval 3.85] [%clk 0:32:43] } 39... Rb8 { [%eval 3.81] [%clk 0:43:16] } 40. Qe7?! { [%eval 2.99] } { Inaccuracy. Nf6 was best. } { [%clk 0:31:24] } 40... Rg8 { [%eval 2.89] [%clk 0:38:33] } 41. Qxa7 { [%eval 2.85] [%clk 0:26:21] } 41... Rg7 { [%eval 3.25] [%clk 0:35:46] } 42. Qb8+ { [%eval 2.89] [%clk 0:26:25] } 42... Bg8 { [%eval 2.87] [%clk 0:36:08] } 43. Qe8 { [%eval 2.46] [%clk 0:24:55] } 43... Rdd7 { [%eval 2.63] [%clk 0:34:53] } 44. Nxe5?! { [%eval 1.64] } { Inaccuracy. Qxe5 was best. } { [%clk 0:24:23] } 44... Rge7?! { [%eval 2.75] } { Inaccuracy. Rde7 was best. } { [%clk 0:29:57] } 45. Qf8 { [%eval 2.45] [%clk 0:23:15] } 45... Rc7 { [%eval 3.14] [%clk 0:27:50] } 46. g4 { [%eval 2.93] [%clk 0:22:40] } 46... Re6 { [%eval 2.75] [%clk 0:27:11] } 47. Kg3?! { [%eval 1.82] } { Inaccuracy. f4 was best. } { [%clk 0:22:21] } 47... Rce7? { [%eval 3.38] } { Mistake. Rg7 was best. } { [%clk 0:25:49] } 48. f4 { [%eval 3.15] [%clk 0:21:43] } 48... Rg7 { [%eval 3.1] [%clk 0:20:09] } 49. Qb8? { [%eval 1.21] } { Mistake. g5 was best. } { [%clk 0:17:53] } 49... Ree7?? { [%eval 3.26] } { Blunder. h6 was best. } { [%clk 0:22:35] } 50. Kh4 { [%eval 2.9] [%clk 0:16:49] } 50... h6 { [%eval 2.89] [%clk 0:22:15] } 51. f5 { [%eval 3.56] [%clk 0:09:19] } 51... gxf5 { [%eval 3.54] [%clk 0:22:38] } 52. gxf5 { [%eval 3.45] [%clk 0:09:34] } 52... Ra7? { [%eval 6.37] } { Mistake. Rb7 was best. } { [%clk 0:21:23] } 53. f6 { [%eval 6.23] [%clk 0:06:40] } 53... Rgb7 { [%eval 3.74] [%clk 0:17:40] } 54. Qf8 { [%eval 4.53] [%clk 0:06:26] } 54... Kh7 { [%eval 4.22] [%clk 0:15:01] } 55. Ng4 { [%eval 4.15] [%clk 0:06:04] } 55... Be6 { [%eval 4.79] [%clk 0:10:26] } 56. Qxh6+ { [%eval 5.5] [%clk 0:05:58] } 56... Kg8 { [%eval 5.72] [%clk 0:10:49] } 57. f7+ { [%eval 5.89] [%clk 0:05:57] } 57... Kxf7 { [%eval 5.3] [%clk 0:10:40] } 58. Qf6+ { [%eval 4.51] [%clk 0:06:19] } 58... Ke8 { [%eval 5.18] [%clk 0:11:06] } 59. Qxe6+ { [%eval 6.07] [%clk 0:06:44] } 59... Kf8 { [%eval 5.97] [%clk 0:10:35] } 60. Nf6 { [%eval 5.83] [%clk 0:05:44] } 60... Kg7 { [%eval 5.62] [%clk 0:08:30] } 61. Nh5+ { [%eval 6.54] [%clk 0:04:56] } 61... Kf8 { [%eval 6.31] [%clk 0:07:24] } 62. Kg5 { [%eval 6.21] [%clk 0:04:18] } 62... Re7 { [%eval 5.98] [%clk 0:05:32] } 63. Qh6+ { [%eval 5.66] [%clk 0:02:59] } 63... Kf7 { [%eval 6.23] [%clk 0:04:32] } 64. Qg7+ { [%eval 6.11] [%clk 0:02:58] } 64... Ke6 { [%eval 6.01] [%clk 0:04:49] } 65. Nf4+ { [%eval 5.47] [%clk 0:03:20] } 65... Kd7 { [%eval 4.97] [%clk 0:04:21] } 66. Qd4+ { [%eval 4.88] [%clk 0:03:46] } 66... Ke8 { [%eval 4.92] [%clk 0:04:17] } 67. Ng6 { [%eval 4.69] [%clk 0:02:39] } 67... Ra5+ { [%eval 4.39] [%clk 0:03:26] } 68. Kh6 { [%eval 4.17] [%clk 0:02:27] } 68... Rea7? { [%eval 9.2] } { Mistake. Ra6 was best. } { [%clk 0:02:47] } 69. h4? { [%eval 4.43] } { Mistake. Qe3+ was best. } { [%clk 0:02:29] } 69... Kf7? { [%eval 8.52] } { Mistake. R5a6 was best. } { [%clk 0:03:04] } 70. h5? { [%eval 4.57] } { Mistake. Ne5+ was best. } { [%clk 0:02:21] } 70... Ke6?! { [%eval 6.57] } { Inaccuracy. R7a6 was best. } { [%clk 0:02:58] } 71. Qe4+ { [%eval 5.31] [%clk 0:01:19] } 71... Kf7?! { [%eval 9.31] } { Inaccuracy. Kd6 was best. } { [%clk 0:02:54] } 72. Qf3+? { [%eval 4.19] } { Mistake. Ne5+ was best. } { [%clk 0:01:11] } 72... Ke6 { [%eval 4.29] [%clk 0:03:09] } 73. Nf8+ { [%eval 4.27] [%clk 0:01:03] } 73... Ke5 { [%eval 4.47] [%clk 0:02:16] } 74. Nd7+ { [%eval 4.49] [%clk 0:28:11] } 74... Ke6 { [%eval 5.01] [%clk 0:32:02] } 75. Qc6+ { [%eval 4.77] [%clk 0:27:39] } 75... Ke7?! { [%eval 6.89] } { Inaccuracy. Kf5 was best. } { [%clk 0:32:15] } 76. Nc5 { [%eval 6.57] [%clk 0:26:48] } 76... Kf8?! { [%eval 61.21] } { Inaccuracy. Ra1 was best. } { [%clk 0:31:57] } 77. Kg6 { [%eval 20.3] [%clk 0:25:52] } 77... Rg7+ { [%eval 83.39] [%clk 0:31:47] } 78. Kf6 { [%eval 12.26] [%clk 0:25:44] } 78... Rf7+ { [%eval 10.78] [%clk 0:32:06] } 79. Ke5?! { [%eval 5.77] } { Inaccuracy. Kg6 was best. } { [%clk 0:25:50] } 79... Re7+ { [%eval 5.95] [%clk 0:31:39] } 80. Kd4 { [%eval 5.21] [%clk 0:25:39] } 80... Raa7 { [%eval 5.09] [%clk 0:31:39] } 81. Qf6+ { [%eval 5.54] [%clk 0:25:26] } 81... Kg8 { [%eval 5.49] [%clk 0:31:49] } 82. Ne6 { [%eval 5.19] [%clk 0:24:37] } 82... Red7+ { [%eval 5.24] [%clk 0:30:36] } 83. Kc4 { [%eval 4.36] [%clk 0:24:32] } 83... Re7 { [%clk 0:28:49] } 84. Qf8+ { [%clk 0:24:48] } 84... Kh7 { [%clk 0:28:47] } 85. Ng5# { [%clk 0:24:43] } 1-0