Event: Round 2: Arca, Christian Gian Karlo - Ren, Yibai
Date: 2025-07-22
White: Arca, Christian Gian Karlo
WhiteTitle: FM
WhiteElo: 2410
Black: Ren, Yibai
BlackElo: 1995
Result: 1-0
ECO: D79
Opening: Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:34] } 1... Nf6 { [%eval 0.19] [%clk 1:30:34] } 2. c4 { [%eval 0.18] [%clk 1:30:56] } 2... g6 { [%eval 0.28] [%clk 1:30:52] } 3. Nf3 { [%eval 0.22] [%clk 1:31:02] } 3... Bg7 { [%eval 0.27] [%clk 1:31:15] } 4. g3 { [%eval 0.15] [%clk 1:31:28] } 4... c6 { [%eval 0.15] [%clk 1:30:50] } 5. Bg2 { [%eval 0.11] [%clk 1:31:47] } 5... d5 { [%eval 0.07] [%clk 1:31:09] } 6. cxd5 { [%eval 0.1] [%clk 1:31:48] } 6... cxd5 { [%eval 0.0] [%clk 1:31:33] } 7. O-O { [%eval 0.09] [%clk 1:32:13] } 7... O-O { [%eval 0.12] [%clk 1:31:57] } 8. Nc3 { [%eval 0.15] [%clk 1:32:39] } 8... Ne4 { [%eval 0.11] [%clk 1:31:21] } 9. Nd2 { [%eval 0.17] [%clk 1:30:28] } 9... Nxc3 { [%eval 0.21] [%clk 1:27:56] } 10. bxc3 { [%eval 0.22] [%clk 1:30:56] } 10... Nc6 { [%eval 0.49] [%clk 1:28:03] } 11. e4 { [%eval 0.28] [%clk 1:25:56] } 11... dxe4 { [%eval 0.29] [%clk 1:19:32] } 12. Nxe4 { [%eval 0.3] [%clk 1:26:14] } 12... Bf5 { [%eval 0.43] [%clk 1:18:07] } 13. Nc5 { [%eval 0.09] [%clk 1:10:08] } 13... Qc8 { [%eval 0.18] [%clk 1:11:50] } 14. Qa4 { [%eval 0.06] [%clk 1:08:49] } 14... Bd7? { [%eval 1.43] } { Mistake. Rb8 was best. } { [%clk 1:04:57] } 15. Nxd7 { [%eval 1.62] [%clk 1:03:11] } 15... Qxd7 { [%eval 1.41] [%clk 1:03:42] } 16. Rb1 { [%eval 1.27] [%clk 1:03:36] } 16... Rab8 { [%eval 1.44] [%clk 0:51:59] } 17. Bf4 { [%eval 1.11] [%clk 0:57:11] } 17... e5? { [%eval 2.68] } { Mistake. b5 was best. } { [%clk 0:47:57] } 18. dxe5 { [%eval 2.5] [%clk 0:56:05] } 18... Rbc8 { [%eval 3.08] [%clk 0:46:08] } 19. Rfd1 { [%eval 2.9] [%clk 0:53:27] } 19... Qe7 { [%eval 3.07] [%clk 0:45:23] } 20. e6 { [%eval 3.09] [%clk 0:52:06] } 20... Qxe6 { [%eval 2.94] [%clk 0:42:04] } 21. Rxb7 { [%eval 2.92] [%clk 0:52:05] } 21... Rfd8 { [%eval 3.58] [%clk 0:38:57] } 22. Rxd8+ { [%eval 3.52] [%clk 0:48:48] } 22... Nxd8 { [%eval 3.5] [%clk 0:38:39] } 23. Rxa7 { [%eval 3.11] [%clk 0:47:54] } 23... Bxc3 { [%eval 3.5] [%clk 0:38:03] } 24. Qd1 { [%eval 3.27] [%clk 0:40:42] } 24... Nc6?! { [%eval 4.35] } { Inaccuracy. Bf6 was best. } { [%clk 0:33:36] } 25. Bd5 { [%eval 4.4] [%clk 0:39:38] } 25... Rd8 { [%eval 4.28] [%clk 0:33:37] } 26. Ra8 { [%eval 4.22] [%clk 0:40:03] } 26... Qd7 { [%eval 4.54] [%clk 0:29:23] } 27. Rxd8+ { [%eval 4.54] [%clk 0:39:20] } 27... Nxd8 { [%eval 5.51] [%clk 0:28:01] } 28. Bxf7+ { [%eval 5.47] [%clk 0:39:29] } 28... Qxf7 { [%eval 6.12] [%clk 0:28:21] } 29. Qxd8+ { [%eval 6.03] [%clk 0:39:54] } 29... Kg7 { [%eval 6.03] [%clk 0:28:47] } 30. Qc7 { [%eval 5.9] [%clk 0:40:18] } 30... Qxc7 { [%eval 5.84] [%clk 0:28:46] } 31. Bxc7 { [%eval 5.92] [%clk 0:40:47] } 31... Kf6 { [%eval 5.86] [%clk 0:29:03] } 32. Kf1 { [%eval 5.71] [%clk 0:41:08] } 32... Ke6 { [%eval 5.6] [%clk 0:29:22] } 33. Ke2 { [%eval 5.38] [%clk 0:41:36] } 33... Kd5 { [%eval 5.66] [%clk 0:29:45] } 34. Kd3 { [%eval 5.59] [%clk 0:42:04] } 34... Bd4 { [%eval 5.52] [%clk 0:30:06] } 35. f3 { [%eval 5.1] [%clk 0:42:27] } 35... h5 { [%eval 5.89] [%clk 0:30:23] } 36. a4 { [%eval 5.64] [%clk 0:42:42] } 36... Bg1 { [%eval 6.18] [%clk 0:30:36] } 37. g4 { [%eval 6.17] [%clk 0:41:57] } 37... hxg4 { [%eval 6.28] [%clk 0:30:43] } 38. fxg4 { [%eval 6.35] [%clk 0:42:26] } 38... Bf2 { [%eval 7.44] [%clk 0:30:56] } 39. a5 { [%eval 7.4] [%clk 0:42:54] } 39... Kc6 { [%eval 7.47] [%clk 0:31:20] } 40. Bb6 { [%eval 7.25] [%clk 0:43:15] } 40... Be1 { [%eval 6.37] [%clk 0:31:24] } 41. Kd4 { [%eval 7.22] [%clk 0:43:22] } 41... Bb4 { [%eval 7.2] [%clk 0:31:08] } 42. Kc4 { [%eval 7.08] [%clk 0:43:30] } 42... Bd6 { [%eval 7.12] [%clk 0:31:28] } 43. Bg1 { [%eval 6.67] [%clk 0:43:57] } 43... Bf4?! { [%eval 10.08] } { Inaccuracy. Kb7 was best. } { [%clk 0:31:16] } 44. a6 { [%eval 11.75] [%clk 0:44:11] } 44... Bc7 { [%eval 9.43] [%clk 0:31:23] } 45. h3 { [%eval 8.74] [%clk 0:44:28] } 45... Bd8 { [%eval 9.43] [%clk 0:31:30] } 46. Be3 { [%eval 11.2] [%clk 0:44:37] } 46... Be7 { [%eval 11.62] [%clk 0:31:52] } 47. a7 { [%eval 11.0] [%clk 0:44:52] } 47... Kb7 { [%eval 10.96] [%clk 0:32:16] } 48. Kd5 { [%eval 10.26] [%clk 0:45:18] } 48... Bd8 { [%eval 10.37] [%clk 0:31:49] } 49. Ke6 { [%eval 11.25] [%clk 0:45:46] } 49... Bh4 { [%eval 11.31] [%clk 0:32:11] } 50. Kf7 { [%eval 11.21] [%clk 0:46:12] } 50... g5 { [%eval 10.62] [%clk 0:32:28] } 51. Kf6 { [%eval 19.91] [%clk 0:46:37] } 51... Ka8 { [%eval 16.72] [%clk 0:32:49] } 52. Kg6 { [%eval 14.83] [%clk 0:46:59] } 52... Kb7 { [%eval 13.46] [%clk 0:33:07] } 53. Bxg5 { [%eval 10.48] [%clk 0:47:24] } 53... Bf2?! { [%eval #21] } { Checkmate is now unavoidable. Bg3 was best. } { [%clk 0:33:33] } 54. h4 { [%eval 27.64] [%clk 0:47:49] } 54... Kxa7?! { [%eval #18] } { Checkmate is now unavoidable. Bc5 was best. } { [%clk 0:33:59] } 55. h5 { [%eval #18] [%clk 0:48:14] } 55... Bd4 { [%eval #19] [%clk 0:34:25] } 56. h6 { [%eval #13] [%clk 0:48:34] } 56... Kb7 { [%eval #14] [%clk 0:34:47] } 57. h7 { [%eval #15] [%clk 0:48:58] } 57... Kc6 { [%eval #16] [%clk 0:35:11] } 58. Bf6 { [%eval 18.17] [%clk 0:49:23] } 58... Kd5 { [%clk 0:35:05] } 1-0