Event: 2025 SIO Challengers
White: Kuncoro, Leo
WhiteElo: 1676
Black: Lyu, Taifeng (Matt)
BlackElo: 1858
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:59] } 1... c5 { [%eval 0.25] [%clk 1:30:58] } 2. Nc3 { [%eval 0.26] [%clk 1:31:15] } 2... a6 { [%eval 0.25] [%clk 1:31:19] } 3. a4 { [%eval 0.0] [%clk 1:30:47] } 3... Nc6 { [%eval 0.0] [%clk 1:31:40] } 4. f4 { [%eval -0.12] [%clk 1:29:39] } 4... e6 { [%eval -0.12] [%clk 1:31:46] } 5. Nf3 { [%eval -0.1] [%clk 1:28:54] } 5... d5 { [%eval -0.08] [%clk 1:31:38] } 6. d3 { [%eval -0.14] [%clk 1:27:20] } 6... Nf6 { [%eval -0.05] [%clk 1:31:49] } 7. Be2 { [%eval -0.16] [%clk 1:26:43] } 7... Be7 { [%eval -0.17] [%clk 1:30:45] } 8. O-O { [%eval -0.29] [%clk 1:25:38] } 8... O-O { [%eval -0.24] [%clk 1:31:00] } 9. Qe1 { [%eval -0.13] [%clk 1:24:21] } 9... Rb8 { [%eval -0.1] [%clk 1:30:54] } 10. e5 { [%eval -0.22] [%clk 1:15:05] } 10... Nd7 { [%eval -0.3] [%clk 1:29:46] } 11. Qg3 { [%eval -0.14] [%clk 1:05:02] } 11... f5 { [%eval -0.29] [%clk 1:29:59] } 12. Nd1 { [%eval -0.58] [%clk 0:43:36] } 12... b5 { [%eval -0.53] [%clk 1:23:07] } 13. axb5 { [%eval -0.48] [%clk 0:43:17] } 13... axb5 { [%eval -0.43] [%clk 1:23:31] } 14. Nf2 { [%eval -0.94] [%clk 0:42:06] } 14... Qb6?! { [%eval -0.1] } { Inaccuracy. d4 was best. } { [%clk 1:18:11] } 15. Nh3?! { [%eval -0.72] } { Inaccuracy. h4 was best. } { [%clk 0:39:13] } 15... c4+ { [%eval -0.59] [%clk 0:51:02] } 16. Kh1 { [%eval -0.6] [%clk 0:38:57] } 16... Nb4 { [%eval -0.58] [%clk 0:50:39] } 17. Ne1 { [%eval -0.52] [%clk 0:36:34] } 17... Qd8? { [%eval 0.7] } { Mistake. cxd3 was best. } { [%clk 0:45:14] } 18. Ng5 { [%eval 0.85] [%clk 0:35:10] } 18... Bxg5 { [%eval 0.78] [%clk 0:45:25] } 19. fxg5 { [%eval 0.78] [%clk 0:35:29] } 19... Nc5 { [%eval 0.75] [%clk 0:37:49] } 20. Bd2?! { [%eval 0.17] } { Inaccuracy. g6 was best. } { [%clk 0:31:07] } 20... Nc6 { [%eval 0.17] [%clk 0:33:32] } 21. g6 { [%eval 0.2] [%clk 0:30:06] } 21... hxg6?? { [%eval 2.13] } { Blunder. h6 was best. } { [%clk 0:32:05] } 22. Qxg6?? { [%eval 0.18] } { Blunder. Nf3 was best. } { [%clk 0:29:01] } 22... Nxe5?! { [%eval 1.05] } { Inaccuracy. cxd3 was best. } { [%clk 0:32:11] } 23. Qg3 { [%eval 1.08] [%clk 0:29:01] } 23... Nc6 { [%eval 1.0] [%clk 0:27:35] } 24. Bf4?! { [%eval 0.44] } { Inaccuracy. Nf3 was best. } { [%clk 0:25:34] } 24... Rb7 { [%eval 0.71] [%clk 0:26:40] } 25. Bd6? { [%eval -0.45] } { Mistake. Nf3 was best. } { [%clk 0:25:07] } 25... f4 { [%eval -0.45] [%clk 0:26:43] } 26. Bxc5?! { [%eval -1.23] } { Inaccuracy. Bxf4 was best. } { [%clk 0:21:32] } 26... fxg3 { [%eval -1.15] [%clk 0:27:05] } 27. Rxf8+ { [%eval -1.28] [%clk 0:21:53] } 27... Qxf8 { [%eval -1.15] [%clk 0:27:24] } 28. Bxf8 { [%eval -1.09] [%clk 0:21:48] } 28... Kxf8 { [%eval -1.19] [%clk 0:27:48] } 29. Ra8 { [%eval -1.08] [%clk 0:20:46] } 29... Rb8 { [%eval -1.09] [%clk 0:27:03] } 30. Rxb8 { [%eval -1.21] [%clk 0:20:57] } 30... Nxb8 { [%eval -1.11] [%clk 0:27:28] } 31. hxg3 { [%eval -1.06] [%clk 0:21:03] } 31... Ke7 { [%eval -1.11] [%clk 0:27:11] } 32. Kg1 { [%eval -1.07] [%clk 0:20:49] } 32... Kd6 { [%eval -0.96] [%clk 0:26:24] } 33. Bh5 { [%eval -1.41] [%clk 0:19:41] } 33... Bd7 { [%eval -1.08] [%clk 0:26:17] } 34. Kf2 { [%eval -1.08] [%clk 0:19:08] } 34... Nc6 { [%eval -1.12] [%clk 0:26:16] } 35. c3 { [%eval -1.11] [%clk 0:18:45] } 35... e5 { [%eval -1.11] [%clk 0:23:41] } 36. Bg6?! { [%eval -1.89] } { Inaccuracy. dxc4 was best. } { [%clk 0:17:28] } 36... Ne7 { [%eval -1.71] [%clk 0:22:25] } 37. Bf7 { [%eval -2.2] [%clk 0:17:12] } 37... Bf5 { [%eval -2.08] [%clk 0:21:47] } 38. Ke3?! { [%eval -2.95] } { Inaccuracy. dxc4 was best. } { [%clk 0:16:29] } 38... Bxd3 { [%eval -3.03] [%clk 0:10:34] } 39. Nxd3 { [%eval -3.26] [%clk 0:16:39] } 39... cxd3 { [%eval -3.04] [%clk 0:10:58] } 40. Kxd3 { [%eval -2.8] [%clk 0:17:01] } 40... e4+ { [%eval -2.97] [%clk 0:11:10] } 41. Ke3 { [%eval -3.0] [%clk 0:15:58] } 41... Kc5?? { [%eval -0.16] } { Blunder. Ke5 was best. } { [%clk 0:10:20] } 42. Bh5 { [%eval -0.2] [%clk 0:11:33] } 42... g5 { [%eval -0.41] [%clk 0:09:34] } 43. Be2?? { [%eval -3.88] } { Blunder. b4+ was best. } { [%clk 0:11:07] } 43... Nf5+ { [%eval -4.15] [%clk 0:08:38] } 44. Kf2 { [%eval -4.57] [%clk 0:11:27] } 44... b4 { [%eval -4.24] [%clk 0:08:50] } 45. g4 { [%eval -4.4] [%clk 0:11:18] } 45... Nd6 { [%eval -3.53] [%clk 0:06:41] } 46. Ke1? { [%eval -7.05] } { Mistake. cxb4+ was best. } { [%clk 0:09:34] } 46... Nc4 { [%eval -6.52] [%clk 0:05:38] } 47. Bxc4?? { [%eval #-20] } { Checkmate is now unavoidable. cxb4+ was best. } { [%clk 0:09:19] } 47... Kxc4 { [%eval #-19] [%clk 0:05:59] } 48. Kd2 { [%eval #-17] [%clk 0:09:37] } 48... bxc3+ { [%eval #-16] [%clk 0:06:22] } 49. bxc3 { [%eval #-16] [%clk 0:09:54] } 49... Kb3 { [%eval #-15] [%clk 0:06:43] } 50. g3 { [%eval #-15] [%clk 0:10:05] } 50... Kc4 { [%eval #-14] [%clk 0:06:37] } 51. Kc2 { [%eval #-10] [%clk 0:10:23] } 51... e3 { [%eval #-9] [%clk 0:07:01] } 52. Kd1 { [%eval #-8] [%clk 0:10:41] } 52... Kxc3 { [%eval #-10] [%clk 0:07:21] } 0-1