Event: Round 9: Song, Yihang - Arca, Christian Gian Karlo
Date: 2025-07-22
White: Song, Yihang
WhiteElo: 1890
Black: Arca, Christian Gian Karlo
BlackTitle: FM
BlackElo: 2410
Result: 0-1
ECO: D10
Opening: Slav Defense: Exchange Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d5 { [%eval 0.2] [%clk 1:30:16] } 2. c4 { [%eval 0.18] [%clk 1:31:22] } 2... c6 { [%eval 0.21] [%clk 1:30:44] } 3. cxd5 { [%eval 0.15] [%clk 1:31:47] } 3... cxd5 { [%eval 0.19] [%clk 1:31:08] } 4. Nc3 { [%eval 0.07] [%clk 1:32:11] } 4... Nc6 { [%eval 0.2] [%clk 1:31:35] } 5. Bf4 { [%eval 0.09] [%clk 1:31:51] } 5... Nf6 { [%eval 0.21] [%clk 1:31:59] } 6. e3 { [%eval 0.14] [%clk 1:31:39] } 6... a6 { [%eval 0.16] [%clk 1:32:06] } 7. Be2 { [%eval 0.0] [%clk 1:31:21] } 7... Bf5 { [%eval 0.21] [%clk 1:32:31] } 8. Nf3 { [%eval 0.16] [%clk 1:30:51] } 8... e6 { [%eval 0.21] [%clk 1:32:56] } 9. Qb3 { [%eval 0.24] [%clk 1:28:52] } 9... Bd6 { [%eval 0.51] [%clk 1:29:51] } 10. Bxd6 { [%eval 0.51] [%clk 1:12:46] } 10... Qxd6 { [%eval 0.54] [%clk 1:30:11] } 11. O-O { [%eval 0.26] [%clk 1:12:31] } 11... O-O { [%eval 0.29] [%clk 1:29:57] } 12. Rfc1 { [%eval 0.2] [%clk 1:11:57] } 12... b5 { [%eval 0.22] [%clk 1:29:28] } 13. Qd1 { [%eval 0.27] [%clk 1:08:32] } 13... Rfc8 { [%eval 0.31] [%clk 1:26:07] } 14. a3 { [%eval -0.1] [%clk 1:07:10] } 14... Nd7 { [%eval 0.18] [%clk 1:25:15] } 15. b4 { [%eval 0.0] [%clk 1:06:25] } 15... Nb6 { [%eval 0.0] [%clk 1:24:06] } 16. Nd2 { [%eval 0.0] [%clk 1:05:07] } 16... Nc4 { [%eval 0.0] [%clk 1:21:48] } 17. Nb3 { [%eval 0.0] [%clk 1:03:42] } 17... Rcb8 { [%eval 0.0] [%clk 1:18:38] } 18. Nc5 { [%eval 0.04] [%clk 0:58:10] } 18... h6 { [%eval 0.0] [%clk 1:18:41] } 19. Bxc4 { [%eval 0.0] [%clk 0:39:24] } 19... dxc4 { [%eval 0.0] [%clk 1:18:48] } 20. e4 { [%eval -0.02] [%clk 0:39:03] } 20... Bg6 { [%eval -0.05] [%clk 1:19:03] } 21. d5 { [%eval 0.0] [%clk 0:39:02] } 21... exd5 { [%eval -0.18] [%clk 1:18:45] } 22. Nxd5 { [%eval -0.31] [%clk 0:36:51] } 22... Re8 { [%eval -0.44] [%clk 1:10:30] } 23. f3 { [%eval -0.47] [%clk 0:27:01] } 23... a5 { [%eval 0.0] [%clk 1:06:21] } 24. Qd2?! { [%eval -1.02] } { Inaccuracy. Nb6 was best. } { [%clk 0:24:20] } 24... f5 { [%eval -1.1] [%clk 1:04:35] } 25. Qf4 { [%eval -1.11] [%clk 0:22:24] } 25... Qxf4 { [%eval -1.11] [%clk 1:04:03] } 26. Nxf4 { [%eval -1.16] [%clk 0:22:47] } 26... Bf7 { [%eval -1.23] [%clk 1:02:34] } 27. Rab1 { [%eval -1.05] [%clk 0:21:48] } 27... axb4 { [%eval -0.96] [%clk 1:01:32] } 28. axb4 { [%eval -0.95] [%clk 0:22:10] } 28... fxe4 { [%eval -0.49] [%clk 1:00:51] } 29. Nxe4 { [%eval -0.61] [%clk 0:21:11] } 29... Ra4?! { [%eval -0.03] } { Inaccuracy. Reb8 was best. } { [%clk 0:59:04] } 30. Nc3 { [%eval 0.0] [%clk 0:20:55] } 30... Rxb4 { [%eval -0.03] [%clk 0:59:33] } 31. Rxb4 { [%eval 0.0] [%clk 0:21:16] } 31... Nxb4 { [%eval 0.0] [%clk 1:00:00] } 32. Nxb5 { [%eval 0.0] [%clk 0:21:42] } 32... g5 { [%eval 0.0] [%clk 1:00:14] } 33. Nd6 { [%eval 0.0] [%clk 0:21:35] } 33... Rb8 { [%eval 0.0] [%clk 0:56:04] } 34. Nxf7 { [%eval 0.0] [%clk 0:21:46] } 34... Kxf7 { [%eval 0.0] [%clk 0:56:21] } 35. Rxc4 { [%eval -0.04] [%clk 0:19:14] } 35... gxf4 { [%eval -0.02] [%clk 0:56:51] } 36. Rxf4+ { [%eval 0.0] [%clk 0:19:36] } 36... Kg6 { [%eval 0.0] [%clk 0:57:16] } 37. Rd4 { [%eval 0.0] [%clk 0:18:46] } 37... Rb6 { [%eval 0.0] [%clk 0:57:26] } 38. Kf2 { [%eval 0.01] [%clk 0:18:00] } 38... Na6 { [%eval 0.0] [%clk 0:57:23] } 39. g4 { [%eval 0.0] [%clk 0:17:13] } 39... Nc5 { [%eval 0.0] [%clk 0:57:36] } 40. Kg3 { [%eval -0.04] [%clk 0:16:55] } 40... Ne6 { [%eval 0.0] [%clk 0:58:04] } 41. Re4 { [%eval 0.0] [%clk 0:16:55] } 41... Kf6 { [%eval 0.0] [%clk 0:58:15] } 42. h4 { [%eval 0.0] [%clk 0:17:15] } 42... Rb3 { [%eval 0.0] [%clk 0:58:04] } 43. g5+ { [%eval -0.29] [%clk 0:17:10] } 43... hxg5 { [%eval 0.0] [%clk 0:58:27] } 44. hxg5+ { [%eval 0.0] [%clk 0:17:37] } 44... Kf5 { [%eval 0.0] [%clk 0:58:11] } 45. g6 { [%eval 0.0] [%clk 0:16:12] } 45... Ng5 { [%eval 0.0] [%clk 0:58:22] } 46. Rf4+ { [%eval 0.0] [%clk 0:16:32] } 46... Kxg6 { [%eval 0.0] [%clk 0:58:50] } 47. Kg2 { [%eval -0.02] [%clk 0:15:59] } 47... Ne6 { [%eval 0.0] [%clk 0:58:35] } 48. Re4 { [%eval -0.12] [%clk 0:15:50] } 48... Kf5 { [%eval 0.0] [%clk 0:58:59] } 49. Kg3 { [%eval 0.0] [%clk 0:15:12] } 49... Rd3 { [%eval 0.01] [%clk 0:59:12] } 50. Rh4 { [%eval -0.14] [%clk 0:14:40] } 50... Nd4 { [%eval 0.0] [%clk 0:58:37] } 51. Rf4+ { [%eval 0.0] [%clk 0:14:52] } 51... Ke6 { [%eval 0.0] [%clk 0:59:04] } 52. Kg4 { [%eval 0.0] [%clk 0:14:47] } 52... Rd2 { [%eval 0.0] [%clk 0:59:13] } 53. Re4+ { [%eval -0.12] [%clk 0:14:19] } 53... Kf6 { [%eval -0.02] [%clk 0:59:09] } 54. Rf4+ { [%eval 0.0] [%clk 0:14:07] } 54... Kg6 { [%eval 0.0] [%clk 0:59:38] } 55. Re4 { [%eval -0.28] [%clk 0:14:00] } 55... Rd3 { [%eval -0.2] [%clk 0:59:54] } 56. Rf4 { [%eval 0.0] [%clk 0:12:44] } 56... Rd1 { [%eval 0.0] [%clk 0:59:34] } 57. Re4 { [%eval 0.0] [%clk 0:11:36] } 57... Rd3 { [%eval 0.0] [%clk 1:00:01] } 58. Rf4 { [%eval 0.0] [%clk 0:12:00] } 58... Kg7 { [%eval 0.01] [%clk 1:00:31] } 59. Kh3 { [%eval 0.0] [%clk 0:11:24] } 59... Kg6 { [%eval 0.0] [%clk 0:58:55] } 60. Kg4 { [%eval 0.0] [%clk 0:11:37] } 60... Kg7 { [%eval 0.0] [%clk 0:59:24] } 61. Kh3 { [%eval 0.0] [%clk 0:12:01] } 61... Nxf3 { [%eval 0.0] [%clk 0:59:52] } 62. Kg2 { [%eval 0.0] [%clk 0:12:21] } 62... Ng5 { [%eval 0.0] [%clk 1:00:08] } 63. Rf2 { [%eval 0.0] [%clk 0:12:22] } 63... Kg6 { [%eval 0.0] [%clk 1:00:26] } 64. Ra2 { [%eval 0.0] [%clk 0:12:20] } 64... Kf5 { [%eval 0.0] [%clk 1:00:53] } 65. Rf2+ { [%eval 0.0] [%clk 0:12:18] } 65... Kg4 { [%eval 0.0] [%clk 1:01:22] } 66. Re2 { [%eval 0.0] [%clk 0:11:31] } 66... Rc3 { [%eval 0.0] [%clk 1:01:20] } 67. Kf2 { [%eval 0.0] [%clk 0:11:14] } 67... Kf4 { [%eval 0.0] [%clk 1:01:39] } 68. Rb2 { [%eval 0.0] [%clk 0:10:36] } 68... Re3 { [%eval 0.0] [%clk 1:01:53] } 69. Rc2 { [%eval 0.0] [%clk 0:08:23] } 69... Ne4+ { [%eval 0.0] [%clk 1:01:56] } 70. Kg2 { [%eval 0.0] [%clk 0:08:39] } 70... Rg3+ { [%eval 0.0] [%clk 1:02:25] } 71. Kh2 { [%eval 0.0] [%clk 0:08:33] } 71... Rg5 { [%eval 0.0] [%clk 1:02:09] } 72. Rb2 { [%eval 0.0] [%clk 0:08:21] } 72... Nc5 { [%eval 0.0] [%clk 1:02:22] } 73. Rc2 { [%eval 0.0] [%clk 0:08:32] } 73... Nd3 { [%eval 0.0] [%clk 1:02:42] } 74. Rg2 { [%eval 0.0] [%clk 0:07:57] } 74... Rh5+ { [%eval 0.0] [%clk 1:03:10] } 75. Kg1 { [%eval 0.0] [%clk 0:08:19] } 75... Kf3 { [%eval 0.0] [%clk 1:03:26] } 76. Rg8 { [%eval 0.0] [%clk 0:08:27] } 76... Rc5 { [%eval 0.0] [%clk 1:03:36] } 77. Rf8+ { [%eval 0.0] [%clk 0:08:52] } 77... Nf4 { [%eval -0.02] [%clk 1:04:04] } 78. Rf7 { [%eval -0.09] [%clk 0:08:42] } 78... Rc8 { [%eval -0.12] [%clk 1:03:54] } 79. Kh2?? { [%eval #-21] } { Checkmate is now unavoidable. Rf5 was best. } { [%clk 0:08:58] } 79... Rg8 { [%eval #-20] [%clk 1:03:57] } 80. Rf6 { [%eval #-21] [%clk 0:07:49] } 80... Rg4 { [%eval #-20] [%clk 1:03:09] } 81. Rf7 { [%eval #-20] [%clk 0:06:10] } 81... Kf2 { [%eval #-19] [%clk 1:03:37] } 82. Rh7 { [%eval #-19] [%clk 0:06:36] } 82... Rg8 { [%eval #-19] [%clk 1:01:48] } 83. Rh6 { [%eval #-19] [%clk 0:06:33] } 83... Rd8 { [%eval #-17] [%clk 1:01:52] } 84. Rh7 { [%eval #-17] [%clk 0:06:33] } 84... Rc8 { [%eval #-17] [%clk 1:02:20] } 85. Rh6 { [%eval #-19] [%clk 0:06:54] } 85... Kf3 { [%eval #-20] [%clk 1:02:47] } 86. Rh7 { [%eval #-19] [%clk 0:06:32] } 86... Rd8?! { [%eval -71.66] } { Lost forced checkmate sequence. Kf2 was best. } { [%clk 1:02:10] } 87. Rh6?! { [%eval #-6] } { Checkmate is now unavoidable. Kg1 was best. } { [%clk 0:06:50] } 87... Rd2+ { [%eval #-5] [%clk 1:02:33] } 88. Kh1 { [%eval #-4] [%clk 0:06:50] } 88... Kg3 { [%eval #-3] [%clk 1:03:00] } 89. Rh3+ { [%eval #-3] [%clk 0:05:04] } 89... Kxh3 { [%eval #-2] [%clk 1:03:26] } 90. Kg1 { [%eval #-2] [%clk 0:05:32] } 90... Kg3 { [%eval #-1] [%clk 1:03:47] } 91. Kf1 { [%clk 0:05:58] } 91... Rd1# { [%clk 1:04:14] } 0-1