Event: 2025 \the Belt and Road\ China International Chess Open (Bengbu, Anhui) Group B
Site: https://lichess.org/broadcast/belt-and-road-open-2025-bengbu--group-b/round-7/V6F8XDbS/2d2qbtoZ
White: Chen, Siyu(ZJ)
WhiteElo: 1724
Black: Cheng, Gongpu
BlackElo: 1917
Result: 0-1
ECO: A48
Opening: London System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:52] } 2. Nf3 { [%eval 0.11] [%clk 1:31:17] } 2... g6 { [%eval 0.22] [%clk 1:30:37] } 3. Bf4 { [%eval 0.1] [%clk 1:31:41] } 3... Bg7 { [%eval 0.08] [%clk 1:30:53] } 4. e3 { [%eval 0.02] [%clk 1:31:56] } 4... O-O { [%eval 0.14] [%clk 1:30:38] } 5. h3 { [%eval 0.06] [%clk 1:32:16] } 5... d6 { [%eval 0.15] [%clk 1:24:45] } 6. Be2 { [%eval 0.03] [%clk 1:32:23] } 6... b6 { [%eval 0.2] [%clk 1:22:20] } 7. O-O { [%eval 0.14] [%clk 1:32:34] } 7... Bb7 { [%eval 0.16] [%clk 1:22:45] } 8. Bh2 { [%eval 0.11] [%clk 1:31:58] } 8... Nfd7 { [%eval 0.42] [%clk 1:20:04] } 9. c4 { [%eval 0.5] [%clk 1:31:55] } 9... Nc6 { [%eval 0.43] [%clk 1:19:09] } 10. Nc3 { [%eval 0.48] [%clk 1:31:08] } 10... e5 { [%eval 0.53] [%clk 1:18:28] } 11. d5 { [%eval 0.38] [%clk 1:30:44] } 11... Ne7 { [%eval 0.34] [%clk 1:18:41] } 12. a4?! { [%eval -0.3] } { Inaccuracy. Qc2 was best. } { [%clk 1:30:08] } 12... a5 { [%eval -0.12] [%clk 1:18:43] } 13. Qc2 { [%eval -0.22] [%clk 1:29:03] } 13... h6 { [%eval -0.17] [%clk 1:16:48] } 14. Rfb1 { [%eval -0.39] [%clk 1:26:54] } 14... f5 { [%eval -0.46] [%clk 1:15:14] } 15. b4 { [%eval -0.56] [%clk 1:25:30] } 15... g5 { [%eval -0.02] [%clk 1:13:57] } 16. bxa5 { [%eval 0.0] [%clk 1:24:11] } 16... Rxa5 { [%eval 0.01] [%clk 1:14:17] } 17. Rb5 { [%eval -0.22] [%clk 1:23:00] } 17... Nc5?! { [%eval 0.45] } { Inaccuracy. Ra7 was best. } { [%clk 1:06:18] } 18. Rab1? { [%eval -0.89] } { Mistake. Rxa5 was best. } { [%clk 1:15:53] } 18... Rxb5 { [%eval -0.87] [%clk 1:06:04] } 19. axb5 { [%eval -0.69] [%clk 1:15:26] } 19... g4 { [%eval -0.96] [%clk 1:05:58] } 20. hxg4 { [%eval -0.84] [%clk 1:13:54] } 20... fxg4 { [%eval -0.62] [%clk 1:06:22] } 21. Nd2 { [%eval -0.96] [%clk 1:14:15] } 21... h5?! { [%eval -0.33] } { Inaccuracy. Bc8 was best. } { [%clk 1:06:16] } 22. Nde4 { [%eval -0.37] [%clk 1:13:57] } 22... Nxe4 { [%eval -0.14] [%clk 1:06:01] } 23. Nxe4 { [%eval -0.12] [%clk 1:13:50] } 23... Nf5 { [%eval 0.0] [%clk 1:05:59] } 24. Rb3?! { [%eval -0.97] } { Inaccuracy. Ra1 was best. } { [%clk 1:03:24] } 24... Bc8 { [%eval -0.83] [%clk 1:05:47] } 25. f4?? { [%eval -3.81] } { Blunder. Ra3 was best. } { [%clk 1:00:16] } 25... exf4 { [%eval -3.87] [%clk 1:05:53] } 26. Bxf4 { [%eval -3.8] [%clk 0:58:41] } 26... Nd4 { [%eval -3.81] [%clk 1:06:03] } 27. exd4 { [%eval -3.76] [%clk 0:57:51] } 27... Rxf4 { [%eval -3.74] [%clk 1:06:25] } 28. g3 { [%eval -3.67] [%clk 0:56:42] } 28... Bxd4+?! { [%eval -2.83] } { Inaccuracy. Rf8 was best. } { [%clk 1:06:38] } 29. Kg2 { [%eval -2.6] [%clk 0:56:48] } 29... Rf7 { [%eval -2.35] [%clk 1:06:26] } 30. Qd2 { [%eval -1.95] [%clk 0:54:55] } 30... Bg7 { [%eval -2.11] [%clk 1:06:03] } 31. Qg5?! { [%eval -3.47] } { Inaccuracy. Bd3 was best. } { [%clk 0:46:30] } 31... Qxg5 { [%eval -2.82] [%clk 1:05:54] } 32. Nxg5 { [%eval -2.63] [%clk 0:46:50] } 32... Rf5 { [%eval -2.58] [%clk 1:06:11] } 33. Re3 { [%eval -3.08] [%clk 0:42:32] } 33... Kf8 { [%eval -2.43] [%clk 1:03:44] } 34. Ne6+ { [%eval -2.29] [%clk 0:35:38] } 34... Bxe6 { [%eval -2.39] [%clk 1:04:05] } 35. dxe6 { [%eval -2.24] [%clk 0:35:39] } 35... Bd4?? { [%eval 0.0] } { Blunder. Ke7 was best. } { [%clk 1:03:27] } 36. Bd3 { [%eval -0.09] [%clk 0:32:47] } 36... Rf6 { [%eval -0.18] [%clk 1:03:13] } 37. Re2 { [%eval -0.2] [%clk 0:31:38] } 37... Ke7 { [%eval -0.16] [%clk 1:02:47] } 38. Bh7 { [%eval -0.23] [%clk 0:30:43] } 38... Be5 { [%eval -0.3] [%clk 1:02:40] } 39. Bg8?? { [%eval -4.35] } { Blunder. Rf2 was best. } { [%clk 0:30:25] } 39... Rf3 { [%eval -3.99] [%clk 1:02:46] } 40. Rf2 { [%eval -4.55] [%clk 0:29:04] } 40... Rxg3+ { [%eval -4.42] [%clk 1:03:07] } 41. Kf1 { [%eval -4.35] [%clk 0:27:36] } 41... Bf6 { [%eval -4.23] [%clk 1:03:26] } 42. Bf7 { [%eval -5.11] [%clk 0:27:09] } 42... h4 { [%eval -5.41] [%clk 1:03:30] } 43. Ra2 { [%eval -5.34] [%clk 0:27:31] } 43... Rf3+ { [%eval -5.43] [%clk 1:03:09] } 44. Ke2 { [%eval -5.36] [%clk 0:27:17] } 44... Be5 { [%eval -5.08] [%clk 0:59:22] } 45. Ra8?! { [%eval -6.55] } { Inaccuracy. Ra7 was best. } { [%clk 0:27:08] } 45... Rxf7 { [%eval -7.61] [%clk 0:59:40] } 46. exf7 { [%eval -7.42] [%clk 0:26:44] } 46... Kxf7 { [%eval -7.15] [%clk 1:00:05] } 47. Kf1 { [%eval -9.2] [%clk 0:21:19] } 47... h3 { [%eval -8.79] [%clk 1:00:18] } 48. Kg1? { [%eval #-22] } { Checkmate is now unavoidable. Ra2 was best. } { [%clk 0:20:42] } 48... g3 { [%eval #-21] [%clk 1:00:43] } 49. Ra3 { [%eval #-11] [%clk 0:20:51] } 49... Bd4+ { [%eval #-10] [%clk 1:01:02] } 50. Kh1 { [%eval #-8] [%clk 0:21:12] } 50... g2+ { [%eval #-7] [%clk 1:01:25] } 51. Kh2 { [%eval #-7] [%clk 0:21:38] } 51... g1=Q+ { [%eval #-6] [%clk 1:01:53] } 0-1