Event: Round 4: Song, Junteng - Lam, Chun Yung Samuel
Date: 2025-07-24
White: Song, Junteng
WhiteElo: 1590
Black: Lam, Chun Yung Samuel
BlackTitle: FM
BlackElo: 2121
Result: 0-1
ECO: B49
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:43] } 1... c5 { [%eval 0.25] [%clk 1:30:44] } 2. Nf3 { [%eval 0.2] [%clk 1:31:07] } 2... e6 { [%eval 0.28] [%clk 1:31:06] } 3. d4 { [%eval 0.4] [%clk 1:31:28] } 3... cxd4 { [%eval 0.29] [%clk 1:31:30] } 4. Nxd4 { [%eval 0.23] [%clk 1:31:47] } 4... Nc6 { [%eval 0.28] [%clk 1:31:49] } 5. Nc3 { [%eval 0.26] [%clk 1:32:03] } 5... Qc7 { [%eval 0.35] [%clk 1:32:09] } 6. Be3 { [%eval 0.31] [%clk 1:31:41] } 6... a6 { [%eval 0.34] [%clk 1:32:23] } 7. Be2 { [%eval 0.16] [%clk 1:31:20] } 7... Nf6 { [%eval 0.32] [%clk 1:31:33] } 8. O-O { [%eval 0.31] [%clk 1:30:10] } 8... Be7 { [%eval 0.34] [%clk 1:31:21] } 9. f4 { [%eval 0.29] [%clk 1:29:45] } 9... d6 { [%eval 0.31] [%clk 1:31:19] } 10. a4 { [%eval 0.22] [%clk 1:27:52] } 10... O-O { [%eval 0.26] [%clk 1:28:20] } 11. Kh1 { [%eval 0.22] [%clk 1:26:59] } 11... Nxd4 { [%eval 0.22] [%clk 1:27:20] } 12. Qxd4 { [%eval 0.2] [%clk 1:25:19] } 12... e5 { [%eval 0.54] [%clk 1:17:47] } 13. Qd2 { [%eval 0.26] [%clk 1:20:36] } 13... exf4 { [%eval 0.24] [%clk 1:15:35] } 14. Bxf4 { [%eval 0.25] [%clk 1:19:40] } 14... Be6 { [%eval 0.25] [%clk 1:15:01] } 15. Bf3 { [%eval 0.19] [%clk 1:16:16] } 15... Nd7 { [%eval 0.27] [%clk 1:13:41] } 16. Rad1 { [%eval 0.02] [%clk 0:55:57] } 16... Ne5 { [%eval -0.01] [%clk 1:13:22] } 17. Bxe5 { [%eval 0.0] [%clk 0:42:43] } 17... dxe5 { [%eval 0.06] [%clk 1:13:41] } 18. Nd5 { [%eval 0.0] [%clk 0:41:22] } 18... Bxd5 { [%eval -0.03] [%clk 1:07:55] } 19. exd5?! { [%eval -0.67] } { Inaccuracy. Qxd5 was best. } { [%clk 0:33:50] } 19... Rfd8?! { [%eval -0.04] } { Inaccuracy. Bd6 was best. } { [%clk 1:06:37] } 20. Qd3 { [%eval -0.56] [%clk 0:26:02] } 20... Qc5?! { [%eval 0.03] } { Inaccuracy. g6 was best. } { [%clk 0:56:15] } 21. Be4 { [%eval 0.02] [%clk 0:21:47] } 21... g6 { [%eval -0.03] [%clk 0:54:01] } 22. Qg3 { [%eval -0.12] [%clk 0:20:12] } 22... Qd6 { [%eval -0.18] [%clk 0:46:43] } 23. Rf3 { [%eval -0.35] [%clk 0:17:19] } 23... Bf8 { [%eval 0.0] [%clk 0:43:44] } 24. Rdf1 { [%eval 0.0] [%clk 0:11:23] } 24... Rd7 { [%eval 0.21] [%clk 0:42:38] } 25. Rf6 { [%eval 0.27] [%clk 0:10:48] } 25... Qc7 { [%eval 0.63] [%clk 0:24:40] } 26. d6?! { [%eval -0.15] } { Inaccuracy. Qb3 was best. } { [%clk 0:06:48] } 26... Rxd6 { [%eval -0.02] [%clk 0:21:20] } 27. Qxe5 { [%eval -0.1] [%clk 0:05:18] } 27... Rad8 { [%eval -0.07] [%clk 0:20:38] } 28. R6f2 { [%eval -0.2] [%clk 0:03:30] } 28... Bg7 { [%eval -0.13] [%clk 0:18:37] } 29. Qg3 { [%eval -0.31] [%clk 0:03:34] } 29... R8d7 { [%eval -0.33] [%clk 0:12:18] } 30. c3 { [%eval -0.53] [%clk 0:03:11] } 30... Qc4 { [%eval -0.53] [%clk 0:11:22] } 31. Bc2 { [%eval -0.47] [%clk 0:03:19] } 31... Rd2 { [%eval 0.0] [%clk 0:05:26] } 32. Qf3 { [%eval -0.06] [%clk 0:02:49] } 32... Be5 { [%eval 0.0] [%clk 0:04:31] } 33. g3 { [%eval -0.02] [%clk 0:02:47] } 33... b5 { [%eval 0.02] [%clk 0:03:25] } 34. axb5 { [%eval 0.01] [%clk 0:02:53] } 34... axb5 { [%eval -0.04] [%clk 0:03:47] } 35. Rxd2 { [%eval -0.13] [%clk 0:02:45] } 35... Rxd2 { [%eval -0.12] [%clk 0:04:04] } 36. Rf2 { [%eval 0.0] [%clk 0:03:03] } 36... Rxf2 { [%eval 0.0] [%clk 0:01:34] } 37. Qxf2 { [%eval 0.0] [%clk 0:03:32] } 37... Qd5+ { [%eval 0.07] [%clk 0:01:17] } 38. Qg2 { [%eval 0.0] [%clk 0:02:47] } 38... Qa2 { [%eval 0.02] [%clk 0:01:40] } 39. Bd1 { [%eval 0.0] [%clk 0:02:39] } 39... Qb1 { [%eval 0.0] [%clk 0:01:28] } 40. Qe2 { [%eval 0.0] [%clk 0:02:49] } 40... Bf6 { [%eval 0.0] [%clk 0:01:16] } 41. Kg2 { [%eval 0.0] [%clk 0:03:06] } 41... h5 { [%eval 0.0] [%clk 0:00:59] } 42. Qc2 { [%eval 0.0] [%clk 0:01:52] } 42... Qa2 { [%eval 0.0] [%clk 0:00:46] } 43. Qb3 { [%eval 0.03] [%clk 0:01:23] } 43... Qa8+ { [%eval 0.0] [%clk 0:01:08] } 44. Bf3 { [%eval 0.0] [%clk 0:01:48] } 44... Qe8 { [%eval 0.0] [%clk 0:01:26] } 45. Qc2 { [%eval 0.0] [%clk 0:01:50] } 45... Kg7 { [%eval 0.0] [%clk 0:01:21] } 46. Qe2 { [%eval 0.0] [%clk 0:01:25] } 46... Qd7 { [%eval 0.0] [%clk 0:01:39] } 47. Qf2 { [%eval 0.0] [%clk 0:00:51] } 47... Qd6 { [%eval 0.03] [%clk 0:01:38] } 48. Qe2 { [%eval 0.0] [%clk 0:00:51] } 48... b4 { [%eval 0.0] [%clk 0:01:42] } 49. cxb4 { [%eval 0.0] [%clk 0:00:45] } 49... Qxb4 { [%eval 0.0] [%clk 0:02:07] } 50. Bd5 { [%eval 0.0] [%clk 0:00:39] } 50... Bxb2 { [%eval 0.0] [%clk 0:02:17] } 51. Qf2 { [%eval 0.0] [%clk 0:00:46] } 51... Bf6 { [%eval 0.0] [%clk 0:02:29] } 52. Qa2 { [%eval 0.0] [%clk 0:01:05] } 52... Qe7 { [%eval 0.0] [%clk 0:02:05] } 53. Qf2 { [%eval 0.0] [%clk 0:01:12] } 53... Qe5 { [%eval 0.0] [%clk 0:02:15] } 54. Qa2 { [%eval 0.0] [%clk 0:01:28] } 54... Qc7 { [%eval 0.0] [%clk 0:02:16] } 55. Qf2 { [%eval 0.0] [%clk 0:01:38] } 55... Qd7 { [%eval 0.0] [%clk 0:02:30] } 56. Bf3 { [%eval 0.0] [%clk 0:01:35] } 56... Qd6 { [%eval 0.0] [%clk 0:02:32] } 57. Be4 { [%eval 0.0] [%clk 0:01:19] } 57... Qe6 { [%eval 0.0] [%clk 0:02:30] } 58. Bf3 { [%eval 0.0] [%clk 0:01:40] } 58... Qe5 { [%eval -0.1] [%clk 0:02:43] } 59. Qe2 { [%eval -0.11] [%clk 0:02:03] } 59... Qc5 { [%eval -0.07] [%clk 0:03:00] } 60. Be4 { [%eval -0.01] [%clk 0:01:49] } 60... Qd4 { [%eval 0.0] [%clk 0:03:15] } 61. Qd3 { [%eval 0.0] [%clk 0:02:06] } 61... Qb2+ { [%eval -0.03] [%clk 0:03:29] } 62. Qc2 { [%eval 0.0] [%clk 0:02:31] } 62... Qa1 { [%eval 0.0] [%clk 0:03:31] } 63. Qb1 { [%eval 0.0] [%clk 0:02:42] } 63... Qc3 { [%eval 0.0] [%clk 0:03:45] } 64. Qd3 { [%eval -0.01] [%clk 0:00:53] } 64... Qe1 { [%eval -0.01] [%clk 0:03:53] } 65. Bf3 { [%eval -0.02] [%clk 0:01:02] } 65... Qc1 { [%eval -0.01] [%clk 0:03:51] } 66. Qd1 { [%eval 0.0] [%clk 0:01:04] } 66... Qe3 { [%eval 0.0] [%clk 0:04:00] } 67. Qe2 { [%eval 0.0] [%clk 0:01:29] } 67... Qa7 { [%eval 0.0] [%clk 0:04:13] } 68. Bd5 { [%eval 0.0] [%clk 0:01:38] } 68... Qd7 { [%eval 0.09] [%clk 0:04:12] } 69. Bf3 { [%eval 0.0] [%clk 0:01:29] } 69... Bd4 { [%eval 0.0] [%clk 0:03:51] } 70. Qa2 { [%eval 0.0] [%clk 0:01:22] } 70... Qe7 { [%eval 0.0] [%clk 0:03:40] } 71. Qe2 { [%eval 0.0] [%clk 0:01:40] } 71... Qd6 { [%eval -0.01] [%clk 0:04:04] } 72. Qd2 { [%eval -0.01] [%clk 0:01:53] } 72... Qe5 { [%eval 0.0] [%clk 0:04:22] } 73. Qe2 { [%eval 0.0] [%clk 0:02:12] } 73... Be3 { [%eval 0.0] [%clk 0:04:44] } 74. Bc6 { [%eval 0.0] [%clk 0:02:09] } 74... Qc5 { [%eval 0.0] [%clk 0:04:36] } 75. Bf3 { [%eval 0.0] [%clk 0:02:10] } 75... Qd4 { [%eval 0.0] [%clk 0:04:38] } 76. Qc2 { [%eval -0.18] [%clk 0:01:34] } 76... Qa1 { [%eval -0.19] [%clk 0:04:14] } 77. Qd1 { [%eval -0.04] [%clk 0:01:48] } 77... Qc3 { [%eval 0.0] [%clk 0:04:38] } 78. Qe2 { [%eval 0.01] [%clk 0:02:04] } 78... Bc5 { [%eval 0.0] [%clk 0:04:50] } 79. Qf1 { [%eval 0.0] [%clk 0:01:01] } 79... Qd4 { [%eval 0.0] [%clk 0:05:01] } 80. Be2 { [%eval 0.0] [%clk 0:01:05] } 80... Qd2 { [%eval 0.0] [%clk 0:03:33] } 81. Qf3 { [%eval -0.06] [%clk 0:00:51] } 81... Qb2 { [%eval 0.0] [%clk 0:03:25] } 82. Qf1 { [%eval 0.0] [%clk 0:00:47] } 82... Bd4 { [%eval 0.0] [%clk 0:03:13] } 83. Qf3 { [%eval 0.0] [%clk 0:00:45] } 83... Qc1 { [%eval -0.14] [%clk 0:03:22] } 84. Bd1 { [%eval -0.16] [%clk 0:00:53] } 84... Bb6 { [%eval -0.2] [%clk 0:03:01] } 85. Qe2 { [%eval -0.22] [%clk 0:01:11] } 85... Qc5 { [%eval -0.25] [%clk 0:03:11] } 86. Bc2?? { [%eval -4.22] } { Blunder. Qd3 was best. } { [%clk 0:01:27] } 86... Qg1+?? { [%eval 0.0] } { Blunder. g5 was best. } { [%clk 0:03:01] } 87. Kf3?! { [%eval -0.58] } { Inaccuracy. Kh3 was best. } { [%clk 0:00:48] } 87... Bd4 { [%eval -0.23] [%clk 0:02:26] } 88. Bb3?? { [%eval -4.26] } { Blunder. h4 was best. } { [%clk 0:00:34] } 88... Qh1+ { [%eval -4.87] [%clk 0:02:09] } 89. Qg2?! { [%eval -7.14] } { Inaccuracy. Kf4 was best. } { [%clk 0:00:40] } 89... Qe1 { [%eval -6.59] [%clk 0:02:14] } 90. Qc2 { [%eval -4.54] [%clk 0:00:32] } 90... Qf1+ { [%eval -4.3] [%clk 0:02:17] } 91. Ke4 { [%eval -4.08] [%clk 0:00:49] } 91... Bf6?? { [%eval -0.41] } { Blunder. Bg1 was best. } { [%clk 0:01:17] } 92. Qc4 { [%eval -0.5] [%clk 0:00:51] } 92... Qf5+ { [%eval 0.0] [%clk 0:01:01] } 93. Ke3 { [%eval 0.0] [%clk 0:01:03] } 93... Be7 { [%eval -0.03] [%clk 0:00:56] } 94. Qd4+ { [%eval -0.04] [%clk 0:00:50] } 94... Kh7 { [%eval -0.04] [%clk 0:01:10] } 95. Qc4 { [%eval -0.24] [%clk 0:00:58] } 95... Bc5+ { [%eval -0.2] [%clk 0:01:15] } 96. Kd2 { [%eval -0.35] [%clk 0:00:42] } 96... Qf2+ { [%eval -0.35] [%clk 0:01:32] } 97. Kd1?? { [%eval -4.65] } { Blunder. Kd3 was best. } { [%clk 0:00:45] } 97... Qg1+ { [%eval -4.87] [%clk 0:01:31] } 98. Ke2 { [%eval -4.76] [%clk 0:00:35] } 98... Qxh2+ { [%eval -4.78] [%clk 0:01:51] } 99. Kd1 { [%eval -4.67] [%clk 0:00:42] } 99... Qg1+ { [%eval -4.67] [%clk 0:02:01] } 100. Ke2 { [%eval -4.73] [%clk 0:00:51] } 100... Qf2+ { [%eval -4.66] [%clk 0:02:09] } 101. Kd1 { [%eval -4.98] [%clk 0:01:05] } 101... Kg7 { [%eval -4.82] [%clk 0:02:11] } 102. Qf4 { [%eval -5.1] [%clk 0:00:32] } 102... Be3 { [%eval -4.88] [%clk 0:00:59] } 103. Qxf2?! { [%eval -7.05] } { Inaccuracy. Qe5+ was best. } { [%clk 0:00:39] } 103... Bxf2 { [%eval -6.51] [%clk 0:01:25] } 104. g4 { [%eval -7.97] [%clk 0:01:05] } 104... hxg4 { [%eval -7.81] [%clk 0:01:42] } 105. Ke2 { [%eval -7.69] [%clk 0:01:32] } 105... Bc5 { [%eval -7.44] [%clk 0:01:58] } 106. Kf1 { [%eval -8.05] [%clk 0:01:02] } 106... f5 { [%eval -7.5] [%clk 0:02:19] } 107. Kg2 { [%eval -11.29] [%clk 0:01:29] } 107... Kf6 { [%eval -9.94] [%clk 0:02:43] } 108. Kg3? { [%eval #-21] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:01:44] } 108... Kg5 { [%eval #-19] [%clk 0:03:03] } 109. Bf7 { [%eval #-22] [%clk 0:01:49] } 109... Bd6+?! { [%eval -11.73] } { Lost forced checkmate sequence. f4+ was best. } { [%clk 0:03:20] } 110. Kf2 { [%eval -10.61] [%clk 0:02:03] } 110... f4 { [%eval -10.28] [%clk 0:03:39] } 111. Be6?! { [%eval #-16] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:02:02] } 111... Bc5+ { [%eval #-16] [%clk 0:03:38] } 112. Kg2 { [%eval #-15] [%clk 0:02:23] } 112... f3+ { [%eval #-14] [%clk 0:04:01] } 113. Kg3 { [%eval #-14] [%clk 0:02:43] } 113... Bd6+ { [%eval #-13] [%clk 0:04:27] } 114. Kf2 { [%eval #-13] [%clk 0:03:04] } 114... Kf4 { [%eval #-12] [%clk 0:04:52] } 115. Bd5 { [%eval #-9] [%clk 0:02:50] } 115... g3+ { [%eval #-8] [%clk 0:05:12] } 0-1