Clark Cheng

Country	WCA ID	Gender	Competitions	Completed Solves
United States	2011CHEN55	Male	22	688

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	1512	1990	7675	9.42	11.09	6445	1665	1267
4x4x4 Cube	1031	1442	6291	41.95	49.02	6759	1559	1111
5x5x5 Cube	924	1286	5209	1:26.58	1:35.02	5002	1233	897
6x6x6 Cube	992	1367	4954	3:27.20	3:47.06	4992	1401	1017
7x7x7 Cube	960	1340	4959	5:44.36	6:19.23	4679	1276	920
3x3x3 One-Handed	318	405	1539	13.11	16.87	1720	427	336
Megaminx	1985	2850	10494	2:18.61
Square-1	406	498	1448	12.93	22.54	2615	851	678

Medal Collection

Gold	Silver	Bronze
1	6	7

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Carolina Season Starter 2018	Final	20	12.14	14.41	12.14	12.84	18.92	13.90	16.48
	Second round	11	9.42	11.57	13.74	11.30	11.74	11.67	9.42
	First round	17	12.13	12.41	12.13	12.36	15.01	12.50	12.36
Hendersonville Fall 2017	Final	7	10.39	11.99	12.55	13.84	11.87	10.39	11.55
	Second round	10	9.88	12.41	12.51	13.24	14.60	9.88	11.47
	First round	13	11.24	13.88	13.58	11.24	14.57	13.48	14.69
CubingUSA Nationals 2017	Second round	142	10.98	12.50	10.98	14.65	11.85	12.92	12.72
	First round	186	12.16	13.05	13.13	12.16	13.75	12.37	13.66
Crossroads Cubing Spring 2017	Final	3	10.62	11.09	11.06	10.62	11.37	10.84	12.95
	Second round	5	10.27	12.01	10.27	11.60	11.61	13.31	12.82
	First round	6	11.57	13.14	13.67	12.44	13.30	11.57	14.78
Unionville Open Spring 2017	Final	6	10.28	12.51	12.56	12.56	12.41	12.97	10.28
	Second round	5	10.82	12.81	10.82	12.78	13.54	16.44	12.11
	First round	7	11.37	13.07	11.37	16.35	11.86	11.78	15.56
Discovery Place 2016	Final	11	11.25	13.70	14.12	14.52	11.25	13.65	13.34
	Second round	10	10.74	13.12	13.77	15.53	14.18	10.74	11.40
	First round	17	12.16	15.53	18.75	17.21	13.38	12.16	15.99
Duke Summer 2016	Final	11	11.34	13.15	14.28	13.29	12.03	14.12	11.34
	Second round	5	10.46	11.50	13.99	11.81	10.46	10.89	11.79
	First round	7	10.23	12.77	12.23	12.18	13.89	10.23	14.77
Athens Summer Omega 2016	Final	8	12.46	13.80	12.46	17.46	13.14	15.09	13.17
	Second round	10	12.93	13.92	13.01	12.93	13.47	16.87	15.27
	First round	9	11.71	13.69	13.55	14.03	11.71	13.74	13.77
Athens Fall 2015	Final	11	12.24	15.98	14.51	DNF	14.33	12.24	19.11
	Second round	10	12.61	13.69	13.16	12.61	13.70	14.22	DNF
	First round	9	12.97	14.33	15.13	14.95	14.76	12.97	13.29
Atlanta Open 2015	Final	7	11.96	13.37	13.37	11.96	12.18	15.63	14.56
	First round	10	13.83	14.49	18.04	14.20	14.77	14.49	13.83
US Nationals 2015	Second round	100	11.92	13.72	15.07	14.49	11.92	14.59	12.07
	First round	72	11.66	12.62	12.09	12.49	13.27	11.66	15.61
Peach State 2015	Final	9	10.97	14.13	15.77	12.05	18.23	10.97	14.58
	Second round	11	12.06	14.86	12.06	17.61	14.12	18.55	12.84
	First round	6	12.05	12.72	12.65	13.45	13.04	12.05	12.48
Charlotte Open Fall 2014	Final	3	11.81	14.73	15.01	16.20	11.81	14.79	14.40
	Second round	3	11.96	12.88	15.20	12.44	11.96	13.41	12.78
	First round	7	13.27	16.32	18.34	16.40	13.27	14.76	17.80
US Nationals 2014	First round	169	12.26	15.93	12.26	17.15	15.13	15.66	17.01
Harvard Fall 2013	Second round	13	10.61	14.54	17.63	13.53	14.61	10.61	15.47
	First round	20	14.55	16.32	15.56	16.69	16.72	16.90	14.55
World Rubik's Cube Championship 2013	First round	236	12.63	16.35	12.63	17.55	16.88	15.10	17.07
Raleigh Open 2013	Final	8	14.02	16.25	14.02	15.88	19.28	16.93	15.94
	Second round	7	12.08	14.99	13.22	16.44	12.08	15.36	16.40
	First round	8	14.03	15.87	16.18	15.61	15.81	17.83	14.03
Battle of Appalachia 2012	Final	9	12.55	19.55	18.93	20.52	22.80	19.21	12.55
	Second round	11	17.44	18.91	19.30	17.44	18.16	19.27	24.27
	First round	10	15.68	17.64	18.47	18.25	15.68	16.19	22.47
United States National Championships 2012	First round	141	17.88	18.98	19.58	17.88	19.02	18.33	21.61
Raleigh Open 2012	Final	8	17.27	20.24	21.16	19.31	20.27	17.27	21.15
	Second round	6	13.96	16.64	15.77	16.58	17.56	13.96	18.55
	First round	7	15.46	16.47	16.50	15.75	17.15	15.46	22.46
Minnesota Open 2012	Final	11	16.33	19.07	20.05	17.94	19.92	16.33	19.36
	Second round	11	13.69	20.00	18.56	13.69	22.02	20.24	21.21
	First round	13	18.86	20.40	19.61	26.93	21.13	18.86	20.46
MIT Fall 2011	First round	36	22.05	25.36	24.16	26.13	22.05	25.78	26.80
4x4x4 Cube
Carolina Season Starter 2018	Final	20	51.74	56.53	DNF	59.00	55.81	54.78	51.74
Hendersonville Fall 2017	First round	10	47.72	53.81	47.72	48.19	54.90	58.75	58.35
CubingUSA Nationals 2017	First round	136	43.56	52.93	43.56	55.18	1:39.74	51.46	52.16
Crossroads Cubing Spring 2017	Final	7	46.49	51.85	59.28	51.10	51.51	46.49	52.93
Unionville Open Spring 2017	Final	6	47.03	54.15	58.46	51.21	1:51.50	52.77	47.03
	First round	7	47.44	58.17	47.44	1:06.25	56.09	1:01.18	57.23
Discovery Place 2016	Final	8	47.01	52.63	53.64	52.39	53.68	51.87	47.01
Duke Summer 2016	Final	8	48.94	54.81	52.87	1:00.27	48.94	58.26	53.30
Athens Summer Omega 2016	Final	7	50.85	55.10	1:02.77	53.63	50.85	57.86	53.81
	First round	9	53.43	55.15	55.37	56.35	53.43	54.98	55.10
Athens Fall 2015	Final	7	49.50	51.69	49.50	51.65	51.15	52.27	56.16
Atlanta Open 2015	Final	5	41.95	49.02	48.70	50.46	41.95	47.90	1:00.06
US Nationals 2015	Second round	65	51.03	53.21	57.35	51.03	51.99	54.40	53.23
	First round	80	51.31	54.12	57.22	52.33	58.67	52.82	51.31
Peach State 2015	Final	7	52.17	56.89	56.65	57.92	56.10	52.17	58.20
Charlotte Open Fall 2014	Final	2	51.58	58.84	53.01	51.58	1:05.20	58.60	1:04.90
US Nationals 2014	First round	101	54.81	58.40	58.78	56.45	59.96	1:09.01	54.81
Harvard Fall 2013	First round	13	57.69	1:08.79	57.69	1:09.02	1:09.34	1:15.84	1:08.02
World Rubik's Cube Championship 2013	First round	226	1:15.45		1:30.83	1:15.45
Raleigh Open 2013	Final	8	58.91	1:07.14	1:01.91	1:04.91	DNF	58.91	1:14.61
Battle of Appalachia 2012	Final	4	54.33	1:06.81	1:05.80	1:24.68	1:11.58	54.33	1:03.05
	First round	3	1:05.38	1:09.66	1:07.59	1:05.38	1:11.52	1:09.86	1:21.86
United States National Championships 2012	First round	92	1:08.44	1:15.00	1:15.97	1:14.18	1:14.84	1:08.44	1:16.38
Raleigh Open 2012	First round	9	1:01.38	1:16.24	1:28.22	1:17.36	1:09.61	1:21.75	1:01.38
Minnesota Open 2012	Final	7	1:19.27	1:22.86	2:05.80	1:19.27	1:23.21	1:22.53	1:22.83
MIT Fall 2011	First round	19	1:40.11		2:05.28	1:40.11
5x5x5 Cube
CubingUSA Nationals 2017	First round	88	1:29.30	1:35.02	1:29.30	1:43.65	1:33.72	1:37.03	1:34.32
Unionville Open Spring 2017	Final	5	1:26.58	1:42.02	1:46.87	1:41.65	1:26.58	1:45.19	1:39.21
Athens Summer Omega 2016	Final	8	1:43.16	1:51.15	1:54.34	1:52.15	1:43.16	1:52.38	1:48.92
	First round	11	1:46.26	1:54.00	2:02.88	1:48.80	1:54.27	1:46.26	1:58.94
Athens Fall 2015	Final	10	1:50.52	2:14.53	1:51.79	1:50.52	2:21.68	DNF	2:30.12
Atlanta Open 2015	Final	11	1:44.38	2:06.11	2:01.79	2:12.05	2:07.57	2:08.97	1:44.38
US Nationals 2015	First round	97	1:44.66	2:02.10	2:00.67	2:00.36	1:44.66	2:05.27	2:13.97
Charlotte Open Fall 2014	Final	2	1:42.70	1:58.55	1:56.97	2:09.73	1:42.70	1:53.23	2:05.46
US Nationals 2014	First round	88	1:54.79	2:01.45	2:09.73	1:59.18	1:54.79	2:05.87	1:59.30
Harvard Fall 2013	Final	11	1:54.34	1:58.54	2:00.56	1:59.58	2:19.25	1:54.34	1:55.47
World Rubik's Cube Championship 2013	First round	124	1:49.18	2:00.59	1:58.31	1:53.98	2:09.49	1:49.18	2:13.46
Raleigh Open 2013	Final	8	1:54.03	2:19.07	3:04.53	2:30.83	2:25.27	1:54.03	2:01.11
Battle of Appalachia 2012	Final	4	1:54.71	2:10.32	1:54.71	2:24.03	2:16.61	2:00.02	2:14.33
United States National Championships 2012	First round	76	1:56.25	2:20.71	1:56.25	2:24.94	2:11.88	2:30.15	2:25.31
Raleigh Open 2012	First round	9	2:13.77	2:24.18	2:16.94	2:25.55	2:40.80	2:13.77	2:30.05
Minnesota Open 2012	Final	6	2:23.03	2:38.07	2:23.03	2:29.36	2:44.46	2:40.38	2:49.19
MIT Fall 2011	Final	13	2:55.52		2:56.56	2:55.52
6x6x6 Cube
CubingUSA Nationals 2017	First round	120	4:35.80		4:35.80
Unionville Open Spring 2017	Final	9	3:33.83	3:47.06	3:33.83	3:44.61	4:02.73
Athens Summer Omega 2016	First round	11	3:38.40	4:04.13	4:14.00	4:20.00	3:38.40
US Nationals 2015	First round	55	3:27.20	3:55.50	3:27.20	4:26.20	3:53.11
Peach State 2015	Final	3	3:35.83	3:57.78	4:28.87	3:48.63	3:35.83
US Nationals 2014	First round	59	3:54.02	4:04.19	4:01.18	3:54.02	4:17.37
World Rubik's Cube Championship 2013	First round	71	3:35.89	3:48.57	3:51.02	3:35.89	3:58.81
United States National Championships 2012	First round	46	4:09.30	4:31.18	4:36.09	4:48.15	4:09.30
7x7x7 Cube
Unionville Open Spring 2017	Final	8	6:39.57		6:39.57
Athens Summer Omega 2016	Final	11	6:21.57	6:36.34	6:21.57	6:56.65	6:30.80
US Nationals 2015	First round	66	6:30.28		6:30.28
Peach State 2015	Final	2	5:44.36	6:19.23	6:37.26	5:44.36	6:36.08
World Rubik's Cube Championship 2013	First round	110	7:08.69		7:08.69
3x3x3 One-Handed
Carolina Season Starter 2018	Final	5	15.66	16.87	15.87	18.50	16.24	21.19	15.66
Hendersonville Fall 2017	Final	3	14.18	17.09	DNF	19.44	16.88	14.94	14.18
	First round	3	14.36	17.23	17.05	17.59	20.11	14.36	17.04
CubingUSA Nationals 2017	Semi Final	43	16.18	19.60	19.55	16.18	22.20	23.33	17.04
	Second round	36	16.11	18.23	16.54	16.11	19.82	19.68	18.46
	First round	70	15.53	20.61	20.90	29.03	17.03	23.89	15.53
Crossroads Cubing Spring 2017	Final	2	16.25	18.91	18.97	20.15	16.25	20.41	17.60
Duke Summer 2016	Final	3	15.69	18.06	18.43	19.19	16.55	15.69	20.00
	First round	5	16.93	18.76	18.83	18.36	20.64	19.10	16.93
Athens Summer Omega 2016	Final	4	16.19	19.72	16.19	23.17	21.04	21.06	17.05
	First round	3	14.90	16.88	19.09	14.90	16.09	17.20	17.35
Athens Fall 2015	Final	4	16.76	18.07	17.09	19.47	19.16	16.76	17.96
	First round	3	16.02	17.55	17.90	21.28	17.31	17.44	16.02
US Nationals 2015	Semi Final	21	18.13	18.59	19.31	18.33	18.13	18.13	19.98
	Second round	24	14.97	19.18	14.97	19.92	16.85	20.91	20.77
	First round	25	17.99	19.53	19.99	18.13	21.48	17.99	20.48
Peach State 2015	Final	1	16.21	17.47	18.28	16.73	19.58	16.21	17.40
Charlotte Open Fall 2014	Final	2	13.11	18.04	13.11	20.47	17.55	23.29	16.11
US Nationals 2014	Second round	41	17.41	21.14	17.41	20.23	24.89	18.29	25.58
	First round	40	18.39	20.15	18.91	20.31	18.39	21.24	22.65
Harvard Fall 2013	Final	3	20.21	21.74	28.84	20.41	22.06	22.75	20.21
	First round	5	20.77	21.42	20.97	21.87	20.77	22.71	21.43
World Rubik's Cube Championship 2013	Second round	74	20.73	22.78	22.64	23.69	23.65	20.73	22.06
	First round	63	17.47	21.88	29.40	24.11	19.71	21.82	17.47
Raleigh Open 2013	Final	3	21.36	23.36	27.21	24.90	22.52	21.36	22.65
	First round	1	21.18	22.97	22.52	21.18	22.80	28.05	23.59
Battle of Appalachia 2012	Final	4	24.08	29.33	24.08	31.77	27.97	31.50	28.53
	First round	4	22.40	26.64	26.52	22.40	25.84	27.56	37.46
Megaminx
US Nationals 2014	First round	73	2:18.61	DNF	2:18.61	2:50.37	2:30.72	DNS	DNS
Square-1
Carolina Season Starter 2018	Final	5	15.51	22.73	28.85	17.21	24.38	26.60	15.51
CubingUSA Nationals 2017	First round	69	12.93	23.07	12.93	23.63	24.48	22.35	23.22
Unionville Open Spring 2017	Final	2	18.26	22.54	24.60	18.26	24.89	20.47	22.56
	First round	3	15.79	23.04	18.85	27.79	24.23	26.03	15.79
Athens Summer Omega 2016	Second round	7	23.78	28.32	26.80	26.34	31.81	23.78	31.95
	First round	8	25.16	32.46	30.43	25.16	29.71	37.23	45.36
US Nationals 2015	First round	20	22.99	30.34	34.09	43.28	27.52	29.40	22.99
US Nationals 2014	First round	29	18.52	34.19	38.61	30.35	18.52	38.26	33.96
World Rubik's Cube Championship 2013	First round	50	21.28	43.20	21.28	DNF	1:00.34	34.39	34.88