Event: Round 9: Jianchao Zhou - Alexander Ross Katz
Date: 2023-12-30
White: Jianchao Zhou
WhiteTitle: GM
Black: Alexander Ross Katz
BlackTitle: IM
Result: 1-0
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:30:00] } 1... d5 { [%eval 0.34] [%clk 1:24:30] } 2. d4 { [%eval 0.28] [%clk 1:30:00] } 2... Nf6 { [%eval 0.25] [%clk 1:24:30] } 3. Bf4 { [%eval 0.0] [%clk 1:30:00] } 3... Bf5 { [%eval 0.21] [%clk 1:24:03] } 4. e3 { [%eval 0.12] [%clk 1:30:00] } 4... e6 { [%eval 0.22] [%clk 1:24:03] } 5. c4 { [%eval 0.24] [%clk 1:30:00] } 5... Bxb1 { [%eval 0.0] [%clk 1:20:49] } 6. Rxb1 { [%eval 0.33] [%clk 1:30:00] } 6... Bb4+ { [%eval 0.27] [%clk 1:20:49] } 7. Ke2 { [%eval 0.31] [%clk 1:30:00] } 7... Bd6 { [%eval 0.39] [%clk 1:14:46] } 8. g3 { [%eval 0.39] [%clk 1:29:54] } 8... O-O { [%eval 0.34] [%clk 1:13:17] } 9. Bg2 { [%eval 0.2] [%clk 1:24:45] } 9... Nbd7 { [%eval 0.45] [%clk 1:05:32] } 10. Qb3 { [%eval 0.3] [%clk 1:13:53] } 10... dxc4 { [%eval 0.38] [%clk 0:58:20] } 11. Qxb7 { [%eval 0.25] [%clk 1:01:00] } 11... Rb8 { [%eval 0.49] [%clk 0:56:21] } 12. Qa6 { [%eval 0.32] [%clk 0:56:13] } 12... Nb6 { [%eval 0.42] [%clk 0:50:38] } 13. Rhc1 { [%eval 0.25] [%clk 0:47:03] } 13... Nfd5 { [%eval 0.28] [%clk 0:47:42] } 14. a3 { [%eval 0.39] [%clk 0:44:48] } 14... Qd7 { [%eval 0.58] [%clk 0:42:08] } 15. Nd2 { [%eval 0.52] [%clk 0:34:48] } 15... Be7 { [%eval 0.99] [%clk 0:31:32] } 16. Nxc4 { [%eval 1.06] [%clk 0:29:13] } 16... g5 { [%eval 0.89] [%clk 0:28:39] } 17. Ne5 { [%eval 1.09] [%clk 0:29:10] } 17... Qe8 { [%eval 1.11] [%clk 0:26:59] } 18. e4 { [%eval 1.14] [%clk 0:27:49] } 18... gxf4 { [%eval 1.2] [%clk 0:23:19] } 19. exd5 { [%eval 1.21] [%clk 0:27:22] } 19... exd5 { [%eval 1.21] [%clk 0:18:28] } 20. Kf1 { [%eval 1.32] [%clk 0:24:55] } 20... fxg3 { [%eval 1.42] [%clk 0:15:00] } 21. hxg3 { [%eval 1.41] [%clk 0:24:39] } 21... Bd6 { [%eval 1.36] [%clk 0:15:00] } 22. Nc6 { [%eval 1.38] [%clk 0:24:25] } 22... Ra8 { [%eval 1.31] [%clk 0:14:56] } 23. Qd3 { [%eval 1.24] [%clk 0:15:19] } 23... Qe6 { [%eval 1.19] [%clk 0:14:40] } 24. Re1 { [%eval 1.17] [%clk 0:14:41] } 24... Qg6 { [%eval 1.25] [%clk 0:13:55] } 25. Rbd1 { [%eval 1.08] [%clk 0:14:41] } 25... Qxd3+ { [%eval 1.53] [%clk 0:05:55] } 26. Rxd3 { [%eval 1.44] [%clk 0:14:41] } 26... a5 { [%eval 1.64] [%clk 0:05:55] } 27. Rb3 { [%eval 1.5] [%clk 0:13:40] } 27... Ra6 { [%eval 1.69] [%clk 0:03:52] } 28. Rb5 { [%eval 1.61] [%clk 0:13:39] } 28... a4 { [%eval 1.56] [%clk 0:03:45] } 29. Rc1 { [%eval 1.46] [%clk 0:13:39] } 29... f5 { [%eval 1.89] [%clk 0:02:56] } 30. f4 { [%eval 1.55] [%clk 0:13:10] } 30... Re8 { [%eval 1.69] [%clk 0:02:56] } 31. Ne5 { [%eval 1.5] [%clk 0:13:06] } 31... Kg7 { [%eval 1.46] [%clk 0:02:13] } 32. Rc6 { [%eval 1.24] [%clk 0:12:43] } 32... Rea8 { [%eval 1.76] [%clk 0:01:40] } 33. Bxd5 { [%eval 1.62] [%clk 0:09:16] } 33... Ra5 { [%eval 2.05] [%clk 0:00:53] } 34. Rxa5 { [%eval 1.99] [%clk 0:05:52] } 34... Rxa5 { [%eval 2.28] [%clk 0:00:53] } 35. Bc4? { [%eval 0.92] } { Mistake. Bf3 was best. } { [%clk 0:05:52] } 35... h5?! { [%eval 1.75] } { Inaccuracy. Nxc4 was best. } { [%clk 0:00:17] } 36. Bd3 { [%eval 1.6] [%clk 0:04:45] } 36... Rd5?! { [%eval 2.32] } { Inaccuracy. h4 was best. } { [%clk 0:00:17] } 37. Nf3 { [%eval 2.59] [%clk 0:04:45] } 37... Kf6 { [%eval 2.47] [%clk 0:00:13] } 38. Ke2 { [%eval 2.58] [%clk 0:04:37] } 38... Ra5 { [%eval 2.57] [%clk 0:00:13] } 39. Rc1 { [%eval 2.65] [%clk 0:04:25] } 39... Nd5 { [%eval 3.19] } 40. Rh1 { [%eval 3.13] [%clk 0:04:25] } 40... Ra8?! { [%eval 4.68] } { Inaccuracy. Kg6 was best. } { [%clk 0:00:05] } 41. Rxh5 { [%eval 4.53] [%clk 0:04:25] } 41... Ne7 { [%eval 4.64] [%clk 0:27:49] } 42. Kd2?! { [%eval 3.58] } { Inaccuracy. Ne5 was best. } { [%clk 0:33:38] } 42... Rg8 { [%eval 3.48] [%clk 0:23:14] } 43. Rh6+ { [%eval 3.52] [%clk 0:27:53] } 43... Kg7 { [%eval 3.58] [%clk 0:23:14] } 44. Rh3 { [%eval 3.5] [%clk 0:27:45] } 44... Rb8 { [%eval 3.57] [%clk 0:19:57] } 45. Kc2 { [%eval 3.76] [%clk 0:27:42] } 45... c5 { [%eval 4.0] [%clk 0:19:16] } 46. Rh5 { [%eval 4.02] [%clk 0:24:52] } 46... Nd5 { [%eval 4.34] [%clk 0:12:11] } 47. Rg5+ { [%eval 4.52] [%clk 0:24:45] } 47... Kh8 { [%eval 4.34] [%clk 0:12:11] } 48. Ne5 { [%eval 4.64] [%clk 0:21:15] } 48... Ne3+ { [%eval 4.92] [%clk 0:09:54] } 49. Kd2 { [%eval 5.05] [%clk 0:19:55] } 49... Bxe5 { [%eval 4.91] [%clk 0:08:40] } 50. dxe5 { [%eval 4.83] [%clk 0:19:55] } 50... Nd5 { [%eval 5.06] [%clk 0:04:27] } 51. Kc1 { [%eval 5.12] [%clk 0:19:47] } 51... c4 { [%eval 5.16] [%clk 0:04:11] } 52. Bxf5 { [%eval 5.21] [%clk 0:19:47] } 52... c3 { [%eval 5.22] [%clk 0:04:11] } 53. bxc3 { [%eval 5.21] [%clk 0:17:11] } 53... Nxc3 { [%eval 5.03] [%clk 0:04:11] } 54. e6 { [%eval 5.27] [%clk 0:16:16] } 54... Na2+ { [%eval 6.12] [%clk 0:03:39] } 55. Kd2 { [%eval 6.54] [%clk 0:16:05] } 1-0