Event: Biel Chess Festival 2025 WT 1
Site: Biel, Switzerland
Date: 2025-07-22
White: Vassiliev, Jacob
Black: Lupei, Denis
BlackElo: 1784
Result: 0-1
ECO: D05
Opening: Queen's Pawn Game: Colle System
Variant: Standard
TimeControl: 60' + 30'' / move

1. d4 { [%eval 0.17] [%clk 1:00:24] } 1... Nf6 { [%eval 0.19] [%clk 1:00:55] } 2. Nf3 { [%eval 0.11] [%clk 1:00:10] } 2... d5 { [%eval 0.11] [%clk 0:58:50] } 3. e3 { [%eval 0.0] [%clk 1:00:14] } 3... e6 { [%eval 0.1] [%clk 0:57:49] } 4. Bd3 { [%eval 0.03] [%clk 1:00:29] } 4... Be7 { [%eval 0.1] [%clk 0:57:11] } 5. Nbd2 { [%eval 0.03] [%clk 1:00:05] } 5... O-O { [%eval 0.07] [%clk 0:54:56] } 6. O-O { [%eval 0.07] [%clk 0:58:10] } 6... b6 { [%eval 0.06] [%clk 0:53:44] } 7. Ne5 { [%eval 0.0] [%clk 0:58:17] } 7... Bb7 { [%eval 0.0] [%clk 0:50:36] } 8. b3 { [%eval -0.01] [%clk 0:58:21] } 8... Nbd7 { [%eval 0.12] [%clk 0:41:12] } 9. f4 { [%eval 0.2] [%clk 0:58:28] } 9... Ne4 { [%eval 0.19] [%clk 0:37:01] } 10. Qg4?! { [%eval -0.64] } { Inaccuracy. Bb2 was best. } { [%clk 0:57:39] } 10... f5 { [%eval -0.55] [%clk 0:34:05] } 11. Qh5 { [%eval -0.65] [%clk 0:55:57] } 11... Nxe5 { [%eval -0.8] [%clk 0:34:22] } 12. fxe5 { [%eval -0.91] [%clk 0:55:19] } 12... Qe8?! { [%eval -0.31] } { Inaccuracy. c5 was best. } { [%clk 0:17:25] } 13. Qh3?! { [%eval -0.95] } { Inaccuracy. Qxe8 was best. } { [%clk 0:53:41] } 13... Qd7 { [%eval -0.64] [%clk 0:08:41] } 14. Nxe4 { [%eval -0.63] [%clk 0:51:37] } 14... fxe4?! { [%eval -0.05] } { Inaccuracy. dxe4 was best. } { [%clk 0:08:31] } 15. Rxf8+ { [%eval -0.05] [%clk 0:51:06] } 15... Rxf8 { [%eval -0.06] [%clk 0:08:53] } 16. Be2 { [%eval -0.1] [%clk 0:51:17] } 16... Bc8 { [%eval -0.05] [%clk 0:06:32] } 17. Bd2 { [%eval -0.06] [%clk 0:51:16] } 17... c5 { [%eval -0.09] [%clk 0:04:39] } 18. c3 { [%eval 0.0] [%clk 0:51:03] } 18... Qc7 { [%eval 0.01] [%clk 0:04:05] } 19. Rc1 { [%eval -0.06] [%clk 0:51:17] } 19... Bd7 { [%eval -0.08] [%clk 0:02:02] } 20. Bg4 { [%eval -0.33] [%clk 0:51:26] } 20... Qc6 { [%eval -0.41] [%clk 0:02:00] } 21. b4 { [%eval -0.6] [%clk 0:51:18] } 21... c4?! { [%eval 0.0] } { Inaccuracy. Kh8 was best. } { [%clk 0:02:05] } 22. b5 { [%eval -0.03] [%clk 0:51:30] } 22... Qc8 { [%eval -0.08] [%clk 0:02:29] } 23. Be1 { [%eval -0.47] [%clk 0:51:01] } 23... Ba3 { [%eval -0.3] [%clk 0:01:31] } 24. Rb1 { [%eval -0.29] [%clk 0:51:06] } 24... Qe8 { [%eval -0.29] [%clk 0:01:56] } 25. Bh4 { [%eval -0.81] [%clk 0:50:49] } 25... h5 { [%eval -0.83] [%clk 0:01:14] } 26. Be2 { [%eval -0.68] [%clk 0:50:41] } 26... Bxb5 { [%eval -0.05] [%clk 0:01:02] } 27. Bg5?! { [%eval -0.97] } { Inaccuracy. Bg3 was best. } { [%clk 0:50:52] } 27... g6?? { [%eval 2.18] } { Blunder. Qg6 was best. } { [%clk 0:00:51] } 28. Bh6?? { [%eval -1.14] } { Blunder. Bf6 was best. } { [%clk 0:50:31] } 28... Rf7 { [%eval -0.93] [%clk 0:00:58] } 29. Qg3 { [%eval -1.42] [%clk 0:50:34] } 29... Kh7? { [%eval 0.0] } { Mistake. Rh7 was best. } { [%clk 0:01:14] } 30. Bg5 { [%eval 0.0] [%clk 0:50:39] } 30... Bd7 { [%eval 0.0] [%clk 0:01:12] } 31. Qh3 { [%eval -0.5] [%clk 0:50:18] } 31... Be7 { [%eval -0.6] [%clk 0:00:42] } 32. Bf4? { [%eval -2.2] } { Mistake. Qh4 was best. } { [%clk 0:50:24] } 32... Kg8 { [%eval -1.59] [%clk 0:00:42] } 33. g4? { [%eval -3.49] } { Mistake. Qg3 was best. } { [%clk 0:50:23] } 33... h4? { [%eval -1.64] } { Mistake. g5 was best. } { [%clk 0:00:33] } 34. g5 { [%eval -1.55] [%clk 0:50:34] } 34... Rh7 { [%eval -1.24] [%clk 0:00:53] } 35. Bg4?! { [%eval -2.41] } { Inaccuracy. a4 was best. } { [%clk 0:50:41] } 35... Bd8?! { [%eval -1.46] } { Inaccuracy. Ba3 was best. } { [%clk 0:00:58] } 36. Kf2 { [%eval -1.62] [%clk 0:50:20] } 36... Qf7 { [%eval -1.6] [%clk 0:01:00] } 37. Ke2 { [%eval -1.56] [%clk 0:50:29] } 37... a5 { [%eval -1.6] [%clk 0:01:09] } 38. Rf1 { [%eval -1.88] [%clk 0:50:44] } 38... Qe7 { [%eval -1.44] [%clk 0:01:27] } 39. Rb1?! { [%eval -2.38] } { Inaccuracy. a4 was best. } { [%clk 0:50:22] } 39... Kf7 { [%eval -2.51] [%clk 0:01:34] } 40. Qf1 { [%eval -2.76] [%clk 0:50:22] } 40... Kg7 { [%eval -2.22] [%clk 0:01:53] } 41. Qc1 { [%eval -2.28] [%clk 0:49:45] } 41... b5 { [%eval -2.0] [%clk 0:00:53] } 42. Qb2 { [%eval -2.13] [%clk 0:49:39] } 42... a4?! { [%eval -1.24] } { Inaccuracy. h3 was best. } { [%clk 0:00:39] } 43. a3 { [%eval -1.42] [%clk 0:49:43] } 43... Rh8 { [%eval -1.14] [%clk 0:00:44] } 44. h3 { [%eval -1.34] [%clk 0:49:48] } 44... Ba5?! { [%eval -0.55] } { Inaccuracy. Qf8 was best. } { [%clk 0:00:52] } 45. Kd2 { [%eval -0.56] [%clk 0:49:38] } 45... Rb8 { [%eval -0.22] [%clk 0:00:41] } 46. Kc2 { [%eval -0.27] [%clk 0:49:14] } 46... Bc7 { [%eval -0.02] [%clk 0:00:55] } 47. Bd1 { [%eval -0.09] [%clk 0:48:56] } 47... Qf8 { [%eval -0.11] [%clk 0:00:53] } 48. Be2 { [%eval -0.65] [%clk 0:48:56] } 48... Bd8 { [%eval -0.64] [%clk 0:01:02] } 49. Rf1 { [%eval -0.52] [%clk 0:49:02] } 49... Be7 { [%eval -0.56] [%clk 0:01:01] } 50. Bh2?! { [%eval -1.51] } { Inaccuracy. Ra1 was best. } { [%clk 0:48:48] } 50... Qd8?! { [%eval -0.68] } { Inaccuracy. Bxa3 was best. } { [%clk 0:01:18] } 51. Rf6?! { [%eval -1.8] } { Inaccuracy. Bf4 was best. } { [%clk 0:47:41] } 51... Rb7? { [%eval -0.55] } { Mistake. b4 was best. } { [%clk 0:01:15] } 52. Qb1?? { [%eval -2.6] } { Blunder. Qa1 was best. } { [%clk 0:46:58] } 52... Bxa3 { [%eval -2.49] [%clk 0:00:34] } 53. Qf1?! { [%eval -3.74] } { Inaccuracy. Qe1 was best. } { [%clk 0:46:54] } 53... Qe8 { [%eval -3.42] [%clk 0:00:49] } 54. Qf2 { [%eval -3.81] [%clk 0:46:34] } 54... Be7?? { [%eval 0.0] } { Blunder. Kg8 was best. } { [%clk 0:01:03] } 55. Qxh4 { [%eval 0.0] [%clk 0:46:33] } 55... Bxf6 { [%eval 0.0] [%clk 0:00:52] } 56. exf6+ { [%eval 0.0] [%clk 0:46:40] } 56... Kg8 { [%eval 0.0] [%clk 0:01:11] } 57. Qh6 { [%eval 0.0] [%clk 0:46:25] } 57... Bc8 { [%eval 0.0] [%clk 0:01:06] } 58. Bh5 { [%eval 0.0] [%clk 0:45:03] } 58... Rh7?? { [%eval 5.14] } { Blunder. gxh5 was best. } { [%clk 0:00:34] } 59. Qxg6+ { [%eval 4.4] [%clk 0:45:22] } 59... Qxg6 { [%eval 4.24] [%clk 0:00:37] } 60. Bxg6 { [%eval 4.49] [%clk 0:45:44] } 60... Rb7 { [%eval 4.29] [%clk 0:00:37] } 61. f7+?? { [%eval -0.43] } { Blunder. h4 was best. } { [%clk 0:45:41] } 61... Rxf7 { [%eval -0.03] [%clk 0:00:58] } 62. Bxf7+ { [%eval 0.0] [%clk 0:46:05] } 62... Kxf7 { [%eval -0.01] [%clk 0:01:26] } 63. h4 { [%eval -0.02] [%clk 0:46:21] } 63... Kg6 { [%eval -0.03] [%clk 0:01:55] } 64. Bd6 { [%eval -0.13] [%clk 0:46:12] } 64... Bd7 { [%eval -0.17] [%clk 0:02:12] } 65. Kb2 { [%eval -0.18] [%clk 0:45:39] } 65... Be8 { [%eval -0.12] [%clk 0:02:36] } 66. Ka3 { [%eval -0.18] [%clk 0:45:45] } 66... Kh5 { [%eval -0.5] [%clk 0:02:18] } 67. Be7?? { [%eval -6.91] } { Blunder. Kb2 was best. } { [%clk 0:45:18] } 67... Kg4 { [%eval -6.73] [%clk 0:02:12] } 68. g6 { [%eval -7.65] [%clk 0:44:36] } 68... Bxg6 { [%eval -7.37] [%clk 0:02:31] } 69. Bg5 { [%eval -7.89] [%clk 0:44:59] } 69... Kf3 { [%eval -7.64] [%clk 0:02:47] } 70. Kb4 { [%eval -7.73] [%clk 0:44:55] } 70... Ke2 { [%eval -7.24] [%clk 0:02:53] } 71. Be7 { [%eval -8.01] [%clk 0:41:57] } 71... Kxe3 { [%eval -8.23] [%clk 0:02:40] } 72. Kxb5 { [%eval -8.55] [%clk 0:41:52] } 72... Kd3 { [%eval -8.24] [%clk 0:02:30] } 73. Kxa4 { [%eval -9.17] [%clk 0:41:35] } 73... Kxc3 { [%eval -8.54] [%clk 0:02:53] } 74. Bg5 { [%eval -9.56] [%clk 0:41:30] } 74... Kxd4 { [%eval -10.39] [%clk 0:03:14] } 75. Kb4 { [%eval -10.33] [%clk 0:40:46] } 75... Kd3 { [%eval -9.67] [%clk 0:03:29] } 76. Ka3 { [%eval -10.75] [%clk 0:40:44] } 76... e3 { [%eval -10.38] [%clk 0:03:54] } 77. Bxe3?! { [%eval #-11] } { Checkmate is now unavoidable. Kb4 was best. } { [%clk 0:40:00] } 77... Kxe3 { [%eval #-10] [%clk 0:04:20] } 78. h5 { [%eval #-10] [%clk 0:40:22] } 78... Bxh5 { [%eval #-9] [%clk 0:04:22] } 79. Kb2 { [%eval #-9] [%clk 0:40:39] } 79... Kd2 { [%eval #-11] [%clk 0:04:42] } 80. Kb1 { [%eval #-7] [%clk 0:40:16] } 80... d4 { [%eval #-7] [%clk 0:04:46] } 81. Kb2 { [%eval #-7] [%clk 0:40:32] } 81... e5 { [%eval #-10] [%clk 0:05:10] } 82. Kb1 { [%eval #-6] [%clk 0:40:40] } 82... e4 { [%eval #-7] [%clk 0:05:35] } 83. Kb2 { [%eval #-7] [%clk 0:41:02] } 83... c3+ { [%eval #-8] [%clk 0:05:54] } 84. Kb1 { [%clk 0:41:15] } 84... c2+ { [%clk 0:06:18] } 85. Kb2 { [%clk 0:41:40] } 85... c1=Q+ { [%clk 0:06:41] } 86. Ka2 { [%clk 0:41:50] } 86... Bf7# { [%clk 0:07:04] } 0-1