Event: Round 4: To, Nam Long - Koppenens, Oscar
Date: 2024-03-31
White: To, Nam Long
WhiteElo: 1579
Black: Koppenens, Oscar
BlackElo: 1887
Result: 1/2-1/2
ECO: A48
Opening: London System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.16] [%clk 1:30:54] } 2. Bf4 { [%eval 0.0] [%clk 1:31:19] } 2... g6 { [%eval 0.13] [%clk 1:31:16] } 3. Nf3 { [%eval 0.0] [%clk 1:31:25] } 3... Bg7 { [%eval 0.11] [%clk 1:31:42] } 4. e3 { [%eval 0.13] [%clk 1:31:47] } 4... O-O { [%eval 0.12] [%clk 1:32:05] } 5. h3 { [%eval 0.1] [%clk 1:32:15] } 5... d6 { [%eval 0.14] [%clk 1:32:24] } 6. Be2 { [%eval 0.03] [%clk 1:32:39] } 6... Re8 { [%eval 0.44] [%clk 1:32:44] } 7. O-O { [%eval 0.25] [%clk 1:33:03] } 7... Nc6 { [%eval 0.31] [%clk 1:32:42] } 8. c4 { [%eval -0.05] [%clk 1:33:24] } 8... Nh5?! { [%eval 0.83] } { Inaccuracy. e5 was best. } { [%clk 1:31:59] } 9. Bh2 { [%eval 0.91] [%clk 1:33:34] } 9... e5 { [%eval 0.96] [%clk 1:28:33] } 10. d5?! { [%eval -0.12] } { Inaccuracy. dxe5 was best. } { [%clk 1:32:17] } 10... Ne7?! { [%eval 0.49] } { Inaccuracy. e4 was best. } { [%clk 1:28:43] } 11. Nc3 { [%eval 0.54] [%clk 1:32:30] } 11... f5 { [%eval 0.95] [%clk 1:28:38] } 12. e4?! { [%eval 0.07] } { Inaccuracy. c5 was best. } { [%clk 1:31:33] } 12... f4 { [%eval 0.41] [%clk 1:27:31] } 13. Rc1 { [%eval 0.45] [%clk 1:29:26] } 13... a5?! { [%eval 1.24] } { Inaccuracy. Nf6 was best. } { [%clk 1:26:55] } 14. a4?? { [%eval -0.86] } { Blunder. c5 was best. } { [%clk 1:29:28] } 14... h6? { [%eval 0.53] } { Mistake. b6 was best. } { [%clk 1:26:12] } 15. b3?! { [%eval -0.48] } { Inaccuracy. c5 was best. } { [%clk 1:27:00] } 15... Nf6?? { [%eval 1.2] } { Blunder. b6 was best. } { [%clk 1:25:46] } 16. Qd2?? { [%eval -1.16] } { Blunder. c5 was best. } { [%clk 1:25:51] } 16... Kh7?? { [%eval 0.6] } { Blunder. b6 was best. } { [%clk 1:25:40] } 17. Bd3? { [%eval -1.02] } { Mistake. c5 was best. } { [%clk 1:24:25] } 17... Rg8? { [%eval 0.26] } { Mistake. Nd7 was best. } { [%clk 1:25:21] } 18. Nb5?? { [%eval -1.46] } { Blunder. c5 was best. } { [%clk 1:23:22] } 18... g5?? { [%eval 0.28] } { Blunder. Nd7 was best. } { [%clk 1:24:42] } 19. c5 { [%eval 0.11] [%clk 1:23:12] } 19... b6?! { [%eval 0.84] } { Inaccuracy. Ng6 was best. } { [%clk 1:23:10] } 20. cxd6 { [%eval 0.81] [%clk 1:22:21] } 20... cxd6 { [%eval 0.72] [%clk 1:23:35] } 21. Qb2?! { [%eval -0.36] } { Inaccuracy. Nfd4 was best. } { [%clk 1:17:31] } 21... Bf8? { [%eval 0.76] } { Mistake. Ng6 was best. } { [%clk 1:22:42] } 22. Qa3?? { [%eval -1.35] } { Blunder. Nxd6 was best. } { [%clk 1:12:46] } 22... Ng6 { [%eval -1.25] [%clk 1:22:18] } 23. Rc6 { [%eval -1.27] [%clk 1:10:27] } 23... Bd7 { [%eval -1.42] [%clk 1:20:51] } 24. Rc7 { [%eval -1.53] [%clk 1:09:58] } 24... Kh8 { [%eval -1.65] [%clk 1:20:09] } 25. Rfc1 { [%eval -1.63] [%clk 1:09:31] } 25... Ne8 { [%eval -1.8] [%clk 1:20:00] } 26. R7c2 { [%eval -2.07] [%clk 1:08:13] } 26... g4 { [%eval -1.99] [%clk 1:19:18] } 27. hxg4 { [%eval -2.05] [%clk 1:07:26] } 27... Bxg4 { [%eval -1.95] [%clk 1:19:10] } 28. Nd2 { [%eval -2.46] [%clk 1:06:44] } 28... f3 { [%eval -1.84] [%clk 1:18:14] } 29. g3 { [%eval -2.03] [%clk 1:06:14] } 29... Bh3? { [%eval -0.64] } { Mistake. h5 was best. } { [%clk 1:18:27] } 30. Nxf3 { [%eval -0.62] [%clk 1:04:50] } 30... Qf6 { [%eval -0.62] [%clk 1:16:39] } 31. Ne1 { [%eval -0.49] [%clk 1:03:46] } 31... h5 { [%eval -0.5] [%clk 1:13:37] } 32. Bf1 { [%eval -0.54] [%clk 1:03:33] } 32... Bxf1?! { [%eval 0.45] } { Inaccuracy. Bd7 was best. } { [%clk 1:12:42] } 33. Kxf1 { [%eval 0.5] [%clk 1:03:56] } 33... Bh6 { [%eval 0.34] [%clk 1:12:52] } 34. Rd1 { [%eval 0.49] [%clk 1:03:30] } 34... h4 { [%eval 0.81] [%clk 1:12:55] } 35. Rc6 { [%eval 0.38] [%clk 1:00:20] } 35... hxg3 { [%eval 0.55] [%clk 1:13:02] } 36. Bxg3 { [%eval 0.55] [%clk 1:00:41] } 36... Ne7?? { [%eval 2.97] } { Blunder. Qg5 was best. } { [%clk 1:13:18] } 37. Rc3?? { [%eval 0.58] } { Blunder. Rxd6 was best. } { [%clk 1:00:36] } 37... Ng6? { [%eval 1.86] } { Mistake. Rd8 was best. } { [%clk 1:10:50] } 38. Rdd3 { [%eval 1.88] [%clk 0:58:54] } 38... Rd8 { [%eval 1.71] [%clk 1:10:19] } 39. Ng2?! { [%eval 0.81] } { Inaccuracy. Rf3 was best. } { [%clk 0:57:19] } 39... Rd7 { [%eval 1.25] [%clk 1:09:39] } 40. Ne3?? { [%eval -2.68] } { Blunder. Qb2 was best. } { [%clk 0:56:15] } 40... Rf7?? { [%eval 2.55] } { Blunder. Qf3 was best. } { [%clk 1:04:25] } 41. Ng4 { [%eval 2.25] [%clk 0:55:38] } 41... Qg5 { [%eval 2.27] [%clk 1:04:32] } 42. Nxh6 { [%eval 2.26] [%clk 0:55:17] } 42... Qxh6 { [%eval 2.11] [%clk 1:04:53] } 43. Bh2?? { [%eval #-10] } { Checkmate is now unavoidable. Nxd6 was best. } { [%clk 0:53:00] } 43... Nf4?? { [%eval -0.37] } { Lost forced checkmate sequence. Rxf2+ was best. } { [%clk 1:04:47] } 44. Bxf4 { [%eval -0.35] [%clk 0:52:25] } 44... Qh1+ { [%eval -0.42] [%clk 1:05:08] } 45. Ke2 { [%eval -0.48] [%clk 0:52:39] } 45... Qxe4+ { [%eval -0.6] [%clk 1:05:34] } 46. Be3?? { [%eval #-5] } { Checkmate is now unavoidable. Re3 was best. } { [%clk 0:43:20] } 46... Rg1?? { [%eval 2.53] } { Lost forced checkmate sequence. Rxf2+ was best. } { [%clk 1:02:02] } 47. Kd2 { [%eval 2.25] [%clk 0:40:49] } 47... Qg2 { [%eval 2.23] [%clk 0:49:47] } 48. Rc2 { [%eval 2.29] [%clk 0:33:30] } 48... Qf1? { [%eval 4.17] } { Mistake. e4 was best. } { [%clk 0:49:07] } 49. Kc3 { [%eval 3.65] [%clk 0:27:10] } 49... Qe1+ { [%eval 3.4] [%clk 0:47:27] } 50. Bd2 { [%eval 3.47] [%clk 0:27:14] } 50... Qxf2 { [%eval 3.3] [%clk 0:46:46] } 51. Re3?! { [%eval 2.21] } { Inaccuracy. Rh3+ was best. } { [%clk 0:22:11] } 51... Rf3?! { [%eval 3.51] } { Inaccuracy. Qh4 was best. } { [%clk 0:38:35] } 52. Rxf3 { [%eval 3.53] [%clk 0:21:28] } 52... Qxf3+ { [%eval 3.56] [%clk 0:38:48] } 53. Kb2 { [%eval 3.53] [%clk 0:21:32] } 53... Qxd5 { [%eval 3.67] [%clk 0:39:10] } 54. Be3 { [%eval 3.66] [%clk 0:20:52] } 54... Rg2 { [%eval 3.54] [%clk 0:37:59] } 55. Qa1?! { [%eval 2.44] } { Inaccuracy. Rxg2 was best. } { [%clk 0:18:49] } 55... Rxc2+ { [%eval 2.55] [%clk 0:38:17] } 56. Kxc2 { [%eval 2.47] [%clk 0:19:11] } 56... Qe4+ { [%eval 2.64] [%clk 0:38:38] } 57. Kd2 { [%eval 2.42] [%clk 0:19:17] } 57... Qg2+ { [%eval 2.13] [%clk 0:39:05] } 58. Kd3 { [%eval 2.32] [%clk 0:18:33] } 58... Qd5+?! { [%eval 3.6] } { Inaccuracy. Nf6 was best. } { [%clk 0:39:23] } 59. Ke2?? { [%eval 1.29] } { Blunder. Kc3 was best. } { [%clk 0:17:57] } 59... Qg2+?! { [%eval 2.51] } { Inaccuracy. Qxb3 was best. } { [%clk 0:38:33] } 60. Bf2?! { [%eval 1.38] } { Inaccuracy. Kd3 was best. } { [%clk 0:17:31] } 60... Qe4+ { [%eval 1.28] [%clk 0:38:54] } 61. Kd2?! { [%eval 0.69] } { Inaccuracy. Be3 was best. } { [%clk 0:17:27] } 61... Nf6? { [%eval 2.4] } { Mistake. Qd5+ was best. } { [%clk 0:38:48] } 62. Qc3 { [%eval 1.8] [%clk 0:15:59] } 62... d5? { [%eval 3.49] } { Mistake. Qf5 was best. } { [%clk 0:35:39] } 63. Qh3+ { [%eval 3.16] [%clk 0:15:25] } 63... Kg7 { [%eval 2.66] [%clk 0:36:05] } 64. Qg3+ { [%eval 2.6] [%clk 0:15:37] } 64... Kf8?! { [%eval 3.53] } { Inaccuracy. Kf7 was best. } { [%clk 0:36:28] } 65. Qe3?? { [%eval 0.1] } { Blunder. Bxb6 was best. } { [%clk 0:14:59] } 65... Qb4+?? { [%eval 3.57] } { Blunder. Qg2 was best. } { [%clk 0:36:29] } 66. Kc2 { [%eval 3.44] [%clk 0:14:58] } 66... Ne4 { [%eval 4.09] [%clk 0:34:35] } 67. Qh6+ { [%eval 4.02] [%clk 0:14:47] } 67... Kf7 { [%eval 4.01] [%clk 0:33:08] } 68. Qh7+ { [%eval 4.04] [%clk 0:14:57] } 68... Kf8 { [%eval 4.45] [%clk 0:32:44] } 69. Qh8+ { [%eval 4.13] [%clk 0:14:51] } 69... Kf7 { [%eval 4.02] [%clk 0:33:05] } 70. Qh7+ { [%eval 4.05] [%clk 0:15:05] } 70... Kf8 { [%eval 4.38] [%clk 0:33:11] } 71. Qh8+ { [%eval 3.99] [%clk 0:15:25] } 71... Kf7 { [%eval 3.98] [%clk 0:33:27] } 72. Be3? { [%eval 2.29] } { Mistake. Qh5+ was best. } { [%clk 0:15:07] } 72... Nf6?! { [%eval 3.02] } { Inaccuracy. Qe1 was best. } { [%clk 0:33:16] } 73. Qh1 { [%eval 2.89] [%clk 0:14:14] } 73... d4 { [%eval 2.93] [%clk 0:32:40] } 74. Qb7+ { [%eval 2.85] [%clk 0:14:09] } 74... Kg6 { [%eval 2.75] [%clk 0:32:52] } 75. Bd2?? { [%eval 0.07] } { Blunder. Qg2+ was best. } { [%clk 0:13:18] } 75... Qc5+?? { [%eval 2.13] } { Blunder. d3+ was best. } { [%clk 0:33:08] } 76. Kb2 { [%eval 2.0] [%clk 0:13:25] } 76... e4 { [%eval 1.91] [%clk 0:33:14] } 77. Qc7?? { [%eval -0.16] } { Blunder. Qb8 was best. } { [%clk 0:12:42] } 77... e3?? { [%eval 1.69] } { Blunder. Qxc7 was best. } { [%clk 0:30:53] } 78. Qxc5 { [%eval 1.6] [%clk 0:11:47] } 78... bxc5 { [%eval 1.42] [%clk 0:31:19] } 79. Bxa5 { [%eval 1.48] [%clk 0:11:53] } 79... d3? { [%eval 2.78] } { Mistake. Kf5 was best. } { [%clk 0:31:31] } 80. Kc1?? { [%eval 0.64] } { Blunder. Kc3 was best. } { [%clk 0:10:11] } 80... d2+?? { [%eval 4.34] } { Blunder. Ne4 was best. } { [%clk 0:31:31] } 81. Bxd2 { [%eval 4.35] [%clk 0:10:28] } 81... exd2+ { [%eval 5.05] [%clk 0:31:58] } 82. Kxd2 { [%eval 4.99] [%clk 0:10:42] } 82... Kf7 { [%eval 4.98] [%clk 0:32:09] } 83. Kd3 { [%eval 4.87] [%clk 0:10:46] } 83... Ke7 { [%eval 5.15] [%clk 0:32:23] } 84. Kc4 { [%eval 5.11] [%clk 0:10:57] } 84... Nd7 { [%eval 4.86] [%clk 0:32:49] } 85. Nc3 { [%eval 4.7] [%clk 0:10:50] } 85... Kd6 { [%eval 4.56] [%clk 0:33:06] } 86. Ne4+?? { [%eval 0.48] } { Blunder. Kb5 was best. } { [%clk 0:10:41] } 86... Kc6 { [%eval 0.3] [%clk 0:33:26] } 87. a5 { [%eval 0.02] [%clk 0:10:46] } 87... Ne5+ { [%eval 0.12] [%clk 0:33:42] } 88. Kc3 { [%eval 0.03] [%clk 0:10:58] } 88... Kb5 { [%eval 0.01] [%clk 0:34:09] } 89. a6 { [%eval 0.0] [%clk 0:10:27] } 89... Kxa6 { [%eval 0.13] [%clk 0:34:28] } 90. Nxc5+ { [%eval 0.0] [%clk 0:10:52] } 90... Kb5 { [%eval 0.0] [%clk 0:34:52] } 91. Ne6 { [%eval 0.0] [%clk 0:11:08] } 91... Nc6 { [%eval 0.3] [%clk 0:34:55] } 92. Nc7+ { [%eval 0.0] [%clk 0:11:23] } 92... Kb6 { [%eval 0.0] [%clk 0:35:18] } 93. Nd5+ { [%eval 0.0] [%clk 0:11:32] } 93... Kc5 { [%eval 0.0] [%clk 0:35:40] } 94. Nf4 { [%eval 0.0] [%clk 0:11:45] } 94... Na7 { [%eval 0.0] [%clk 0:35:06] } 95. Nd3+ { [%eval 0.02] [%clk 0:12:01] } 95... Kd6 { [%eval 0.0] } 96. Kd4 { [%eval 0.08] [%clk 0:12:19] } 96... Nc6+ { [%eval 0.08] [%clk 0:35:52] } 97. Kc3 { [%eval -0.02] [%clk 0:11:29] } 97... Na7 { [%eval 0.0] [%clk 0:36:11] } 98. Kc4 { [%eval 0.02] [%clk 0:11:45] } 98... Nc6 { [%eval -0.05] [%clk 0:36:37] } 99. Nb4 { [%eval -0.02] [%clk 0:12:07] } 99... Na5+ { [%eval 0.0] [%clk 0:37:03] } 100. Kc3 { [%eval 0.0] [%clk 0:12:29] } 100... Nxb3 { [%eval 0.02] [%clk 0:37:29] } 1/2-1/2