Zhengkai Xu (徐正凯)

Region	WCA ID	Gender	Competitions	Completed Solves
China	2016XUZH06	Male	25	707

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	1990	6192	17508	10.52	11.73	12135	4347	1390
2x2x2 Cube	787	2621	10494	2.44	4.71	18014	5139	1613
4x4x4 Cube	806	2417	6923	40.52	45.51	6186	2175	712
5x5x5 Cube	553	1761	5263	1:21.37	1:27.68	4675	1580	508
6x6x6 Cube	308	922	3027	2:35.65	2:45.81	2985	921	308
7x7x7 Cube	352	905	2869	4:02.19	4:16.28	2818	884	355
3x3x3 One-Handed	1010	2891	7945	18.11	22.77	8330	3159	1140
Clock	832	2647	11600	19.48	26.11	11539	2639	829
Megaminx	542	1614	5800	1:25.14	1:38.05	6102	1699	573
Pyraminx	814	2369	8873	4.42	8.49	15253	4414	1618
Skewb	72	222	967	2.34	4.00	778	200	85
Square-1	796	2688	12275	40.01

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Zibo Open 2024	Second round	61	11.43	13.61	13.46	11.43	14.92	14.67	12.69
	First round	62	11.64	13.06	13.22	16.05	11.64	12.14	13.82
Huzhou Open 2024	First round	110	11.46	13.41	14.06	12.99	11.46	13.90	13.35
Hefei Winter Open 2023	Second round	59	11.68	12.06	11.75	12.66	11.68	11.78	13.54
	First round	57	10.90	11.73	10.90	11.75	12.43	13.62	11.01
Rubik's WCA World Championship 2023	First round	663	10.68	13.32	14.31	14.17	13.50	12.29	10.68
Xuzhou Open AM 2021	First round	20	12.57	14.41	13.70	14.52	19.68	12.57	15.01
Kunshan Morning 2021	First round	36	10.52	13.10	14.73	12.27	10.52	12.29	15.85
Hangzhou Open PM 2021	First round	30	10.61	13.53	10.61	13.20	14.65	15.98	12.73
Shaoxing Afternoon 2021	First round	25	10.72	11.74	11.36	10.72	11.15	12.84	12.71
Guangzhou Panyu Afternoon 2021	Second round	66	12.67	14.91	14.81	17.30	12.67	13.20	16.73
	First round	66	11.47	14.87	14.54	11.47	14.58	15.57	15.49
Nanchang Good Afternoon 2021	Second round	28	10.73	12.73	17.26	10.73	12.74	13.20	12.24
	First round	33	12.79	13.33	14.13	12.81	12.79	13.06	14.34
Shenzhen Good Afternoon 2020	First round	17	11.35	13.52	14.87	12.14	13.55	11.35	DNF
Wuxi Winter 2019	Second round	35	12.84	14.74	12.84	19.26	14.00	16.01	14.21
	First round	40	12.06	15.41	19.86	12.06	14.85	15.80	15.59
Xuzhou Winter 2019	Second round	30	12.61	13.53	14.24	12.63	12.61	13.71	14.88
	First round	41	12.79	14.97	12.79	13.25	16.21	16.70	15.44
Suzhou Open 2019	Second round	45	12.57	14.77	15.02	12.57	14.70	15.41	14.59
	First round	58	12.81	15.52	24.84	12.81	14.78	16.52	15.26
China Championship 2019	Second round	431	14.39	16.17	20.47	17.53	15.51	14.39	15.48
	First round	295	12.62	13.95	14.92	12.62	15.80	13.40	13.54
Huzhou Open 2019	First round	78	13.93	16.35	13.98	17.68	13.93	17.38	DNF
Kunshan Open 2019	Second round	34	13.78	15.36	20.38	14.05	13.78	14.93	17.10
	First round	39	14.02	15.51	14.09	19.29	15.07	14.02	17.37
Yancheng Spring 2019	Second round	33	13.80	15.93	13.80	19.41	17.05	14.88	15.85
	First round	31	14.42	14.48	14.42	14.48	15.16	14.47	14.50
SJTU Winter Open 2018	Second round	52	13.77	14.56	15.26	13.77	14.32	16.55	14.11
	First round	71	15.08	16.33	17.36	15.08	16.47	16.65	15.87
Wuxi Autumn 2018	Second round	40	13.68	15.93	13.68	17.36	16.70	17.48	13.73
	First round	44	14.83	15.61	18.67	17.12	14.85	14.83	14.86
Suzhou Open 2018	Second round	45	11.87	15.23	14.25	21.57	11.87	14.87	16.57
	First round	54	14.12	16.07	18.04	14.12	16.33	17.10	14.77
Kunshan Open 2018	First round	78	14.54	18.20	22.95	16.13	16.14	14.54	22.34
Yangzhou Open 2017	Second round	129	16.07	18.86	16.07	18.50	18.28	19.81	24.47
	First round	153	14.48	20.23	15.34	23.26	25.41	22.10	14.48
Suzhou Open 2016	First round	107	20.94	28.26	36.99	27.78	20.94	27.39	29.60
2x2x2 Cube
Zibo Open 2024	First round	42	2.44	4.71	6.29	4.50	2.44	4.51	5.13
Hefei Winter Open 2023	First round	73	4.41	8.67	4.41	6.08	DNF	6.55	13.39
Xuzhou Open AM 2021	First round	11	2.71	6.22	5.85	6.97	6.78	2.71	6.04
Shenzhen Good Afternoon 2020	First round	21	4.37	7.10	8.85	7.30	4.37	9.70	5.14
Xuzhou Winter 2019	Second round	21	3.53	4.91	5.23	3.53	6.05	4.65	4.86
	First round	29	4.42	5.21	5.28	5.50	4.86	7.10	4.42
Suzhou Open 2019	First round	29	3.14	4.87	3.81	3.14	6.55	4.26	8.47
China Championship 2019	Second round	283	4.48	6.01	5.70	7.33	5.69	6.65	4.48
	First round	313	4.23	5.82	4.23	6.20	5.71	5.54	7.44
Huzhou Open 2019	Second round	41	3.63	5.14	4.40	5.09	5.92	13.30	3.63
	First round	47	4.78	5.44	5.63	9.24	4.78	5.29	5.39
Kunshan Open 2019	Second round	25	5.15	5.66	5.15	5.20	6.08	6.07	5.71
	First round	22	3.42	4.77	3.42	4.82	5.85	3.65	7.31
Yancheng Spring 2019	First round	20	4.56	5.33	4.56	6.35	5.25	5.19	5.54
SJTU Winter Open 2018	First round	31	3.52	5.04	4.29	5.76	6.07	5.07	3.52
Wuxi Autumn 2018	First round	36	3.23	5.70	7.62	3.23	4.74	6.77	5.60
Suzhou Open 2018	First round	61	4.24	7.75	4.24	8.04	7.70	7.85	7.70
Kunshan Open 2018	First round	58	4.77	6.82	4.77	6.98	7.41	8.64	6.07
Yangzhou Open 2017	First round	134	6.58	7.01	7.79	6.58	8.84	6.59	6.64
4x4x4 Cube
Huzhou Open 2024	First round	71	42.45	48.36	42.45	55.97	49.18	50.08	45.83
Hefei Winter Open 2023	Final	27	42.34	45.87	48.87	42.34	49.83	46.34	42.40
Kunshan Morning 2021	Final	19	40.52	45.51	45.23	59.59	40.52	42.60	48.69
Hangzhou Open PM 2021	Final	22	42.83	47.65	49.73	56.47	42.83	44.77	48.44
Nanchang Good Afternoon 2021	Final	13	43.28	46.01	43.28	46.85	45.48	DNF	45.71
Wuxi Winter 2019	Final	17	45.59	56.58	51.53	45.59	49.39	DNF	1:08.82
Xuzhou Winter 2019	Final	22	47.66	51.89	48.06	53.92	53.68	47.66	57.55
Suzhou Open 2019	Final	36	45.62	58.57	59.72	1:09.03	55.03	1:00.97	45.62
Huzhou Open 2019	First round	36	51.16	55.59	51.16	1:02.74	56.19	54.67	55.91
Kunshan Open 2019	First round	23	47.94	58.89	1:01.80	52.57	47.94	1:02.31	1:04.57
Yancheng Spring 2019	Final	29	1:00.98		1:00.98	1:03.78
SJTU Winter Open 2018	First round	29	53.97	57.60	58.24	DNF	53.97	58.97	55.58
Wuxi Autumn 2018	First round	36	1:01.32		1:10.46	1:01.32
Suzhou Open 2018	First round	54	1:11.60		1:11.60	1:21.99
Kunshan Open 2018	First round	53	1:15.38		1:15.38	1:27.58
5x5x5 Cube
Huzhou Open 2024	Final	67	1:21.37	1:27.68	1:24.99	1:21.37	1:34.69	1:31.71	1:26.35
Rubik's WCA World Championship 2023	First round	352	1:25.24	1:31.14	1:33.70	1:30.84	1:28.89	1:25.24	1:38.58
Kunshan Morning 2021	Final	22	1:23.19	1:35.61	1:33.28	1:42.26	1:23.19	1:31.28	DNF
Suzhou Open 2019	Final	19	1:33.77	1:44.86	1:39.89	1:57.65	1:33.77	2:01.40	1:37.04
China Championship 2019	First round	128	1:36.12	1:44.74	1:42.29	1:46.50	1:36.12	1:45.42	2:10.00
Huzhou Open 2019	First round	35	1:42.01	1:49.21	1:58.97	1:42.01	1:44.82	1:47.74	1:55.06
Yancheng Spring 2019	Final	20	1:39.22	1:57.76	2:09.79	1:41.74	2:01.75	2:45.46	1:39.22
Wuxi Autumn 2018	First round	28	1:52.64	1:57.83	1:55.75	1:56.60	2:01.23	2:01.15	1:52.64
6x6x6 Cube
Huzhou Open 2024	Final	52	2:35.65	2:45.81	2:55.05	2:35.65	2:46.73
Shaoxing Afternoon 2021	First round	26	2:50.07	2:58.93	2:50.07	3:03.82	3:02.91
Huzhou Open 2019	First round	23	3:48.45		3:48.45
7x7x7 Cube
Huzhou Open 2024	Final	49	4:11.25	4:20.36	4:11.40	4:38.42	4:11.25
Rubik's WCA World Championship 2023	First round	225	4:35.30		4:35.30
Kunshan Morning 2021	Final	13	4:32.38		4:32.38
Shaoxing Afternoon 2021	First round	23	4:02.19	4:16.28	4:21.56	4:25.10	4:02.19
Kunshan Open 2019	First round	13	5:25.75	5:47.93	5:51.84	6:06.21	5:25.75
3x3x3 One-Handed
Hangzhou Open PM 2021	First round	24	21.35	26.29	21.35	32.71	21.78	34.71	24.39
Guangzhou Panyu Afternoon 2021	First round	36	20.60	24.10	26.92	20.60	22.62	25.46	24.21
Nanchang Good Afternoon 2021	First round	20	20.80	22.77	28.97	20.80	21.87	24.48	21.97
Shenzhen Good Afternoon 2020	Final	9	18.11	24.97	18.15	DNF	28.25	18.11	28.52
Xuzhou Winter 2019	First round	20	22.37	25.70	DNF	25.31	25.99	22.37	25.81
China Championship 2019	First round	206	29.34	30.32	31.26	29.64	30.06	31.84	29.34
Huzhou Open 2019	First round	42	23.31	27.42	29.93	25.81	26.52	34.75	23.31
Kunshan Open 2019	First round	19	23.11	26.02	DNF	24.39	24.84	23.11	28.82
Yancheng Spring 2019	Final	22	22.21	28.19	22.21	25.56	32.14	30.39	28.63
Wuxi Autumn 2018	First round	31	24.58	27.60	DNF	26.29	24.58	26.85	29.67
Kunshan Open 2018	First round	39	21.00	30.87	34.04	29.23	21.00	DNF	29.34
Clock
Kunshan Side Events 2021	First round	26	21.01	26.11	DNF	22.90	31.58	21.01	23.86
Hangzhou Open PM 2021	Final	25	19.48	DNF	DNF	19.48	DNF	29.19	DNF
SJTU Winter Open 2018	First round	29	22.60		34.41	22.60
Megaminx
Kunshan Side Events 2021	Final	12	1:25.14	1:38.05	1:29.42	1:58.91	DNF	1:25.14	1:25.81
Shaoxing Afternoon 2021	First round	15	1:27.45	1:38.22	1:47.94	1:35.82	1:31.52	1:47.31	1:27.45
China Championship 2019	First round	76	1:42.13	1:49.84	1:48.19	1:42.13	1:56.71	1:44.61	2:04.28
Huzhou Open 2019	First round	13	1:47.08	1:50.64	1:47.08	2:04.35	1:53.53	1:50.02	1:48.37
SJTU Winter Open 2018	Final	24	1:49.04	2:00.17	1:58.04	2:03.42	1:59.04	1:49.04	2:05.22
Pyraminx
Zibo Open 2024	First round	65	8.41	11.69	13.11	11.75	8.41	13.63	10.22
Hefei Winter Open 2023	First round	40	7.46	10.54	10.26	14.96	7.46	10.99	10.38
Xuzhou Open AM 2021	Final	19	6.99	10.36	12.69	10.64	9.05	11.40	6.99
Guangzhou Panyu Afternoon 2021	First round	47	7.21	11.25	9.16	7.21	DNF	13.18	11.42
Shenzhen Good Afternoon 2020	Final	12	9.08	10.86	11.72	9.08	11.08	9.79	14.14
Wuxi Winter 2019	First round	43	6.98	12.67	13.65	13.65	6.98	12.79	11.58
Suzhou Open 2019	First round	42	8.92	9.90	9.30	8.92	11.37	9.03	17.67
Huzhou Open 2019	First round	43	8.02	10.68	8.02	14.12	9.42	11.83	10.79
Kunshan Open 2019	Second round	23	5.76	9.85	7.88	5.76	8.28	17.15	13.39
	First round	30	4.42	11.13	9.15	4.42	13.03	11.33	12.90
Yancheng Spring 2019	First round	25	6.27	9.46	10.64	6.97	10.83	10.76	6.27
SJTU Winter Open 2018	Second round	36	7.64	10.95	12.20	15.15	10.26	7.64	10.39
	First round	29	5.41	8.49	10.78	14.85	7.80	6.88	5.41
Wuxi Autumn 2018	First round	47	8.25	12.16	8.25	12.59	15.23	11.03	12.87
Suzhou Open 2018	First round	52	8.14	10.38	10.36	9.85	8.14	10.92	19.54
Kunshan Open 2018	First round	59	8.96	12.18	8.96	10.03	13.13	14.26	13.39
Skewb
Zibo Open 2024	Final	13	5.38	5.49	5.48	5.38	5.48	9.82	5.51
	First round	9	4.36	5.06	4.99	8.12	4.96	5.23	4.36
Hefei Winter Open 2023	Final	12	4.60	5.09	4.60	4.76	5.84	4.84	5.66
	First round	12	4.68	5.36	6.14	4.90	6.46	5.03	4.68
Rubik's WCA World Championship 2023	First round	161	3.36	6.01	3.36	9.08	7.10	4.12	6.82
Xuzhou Open AM 2021	Final	4	3.48	4.96	5.48	3.48	4.62	6.20	4.78
Kunshan Side Events 2021	Final	8	3.12	4.71	4.21	4.77	5.14	7.67	3.12
	First round	6	2.34	4.00	5.59	4.64	3.03	2.34	4.34
Hangzhou Open PM 2021	Final	15	4.77	6.53	6.36	5.27	DNF	4.77	7.96
Guangzhou Panyu Afternoon 2021	First round	18	3.59	6.26	7.55	6.33	6.73	3.59	5.71
Shenzhen Good Afternoon 2020	Final	6	5.94	6.87	5.94	9.10	6.50	6.50	7.62
Wuxi Winter 2019	Final	7	3.85	6.35	7.22	5.69	6.14	9.46	3.85
Xuzhou Winter 2019	Final	9	5.36	6.44	8.60	5.58	5.36	6.05	7.70
	First round	15	4.30	7.16	4.30	7.43	6.65	7.40	7.61
Suzhou Open 2019	Final	7	4.53	5.50	6.48	4.59	5.42	7.93	4.53
China Championship 2019	Semi Final	16	3.70	4.48	4.53	5.20	3.70	6.05	3.70
	Second round	32	4.72	5.82	DNF	6.23	5.44	5.79	4.72
	First round	19	3.74	4.59	3.74	4.10	4.54	6.23	5.12
Huzhou Open 2019	Final	12	6.16	7.35	DNF	8.07	7.62	6.36	6.16
	First round	9	5.04	6.22	5.04	5.47	6.02	7.16	7.78
Kunshan Open 2019	Final	4	4.04	5.13	6.18	5.44	4.21	5.73	4.04
	First round	9	5.28	6.14	6.44	5.78	5.28	6.21	6.80
Yancheng Spring 2019	Final	6	5.61	6.67	5.61	13.09	5.65	6.76	7.61
	First round	7	5.30	7.03	5.30	7.21	5.76	8.13	16.03
SJTU Winter Open 2018	Final	14	5.28	7.27	16.68	8.06	7.34	6.40	5.28
	First round	14	4.22	6.94	4.22	DNF	4.91	9.05	6.85
Wuxi Autumn 2018	First round	14	7.13	7.55	7.43	9.95	7.38	7.85	7.13
Kunshan Open 2018	First round	19	4.93	7.85	9.25	6.96	4.93	7.75	8.83
Yangzhou Open 2017	First round	34	6.68	7.82	8.62	6.76	DNF	6.68	8.07
Suzhou Open 2016	First round	36	10.56	13.71	10.56	DNF	16.06	12.41	12.66
Square-1
Wuxi Winter 2019	Final	16	40.01		40.01	1:00.80
Xuzhou Winter 2019	Final	15	49.34		49.34	DNF