Frederick Zheng

Region	WCA ID	Gender	Competitions	Completed Solves
United States	2018ZHEN45	Male	27	593

Current Personal Records

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	11601	15438	60435	14.63	19.56	74325	19052	14251
2x2x2 Cube	5011	6573	23596	2.96	4.67	22535	6263	4799
4x4x4 Cube	4356	5960	23496	54.72	59.49	20871	5230	3819
5x5x5 Cube	2727	3682	13959	1:42.84	1:51.45	13194	3492	2586
6x6x6 Cube	2772	3669	12234	4:39.43	4:43.51	10196	3009	2274
7x7x7 Cube	2335	3114	10548	7:09.40
3x3x3 Blindfolded	134	174	813	43.34	56.85	650	127	101
3x3x3 Fewest Moves	132	149	671	26	30.67	643	150	131
3x3x3 One-Handed	3621	4962	20583	23.51	28.51	19796	4695	3433
Clock	416	502	1664	5.58	6.38	1281	389	328
Megaminx	2950	4036	14084	1:56.83	2:24.85	14798	4410	3240
Pyraminx	10747	13810	48728	8.49	10.98	36956	10166	7883
Skewb	3450	4432	15641	5.66	7.32	9686	2604	1997
Square-1	765	921	2700	12.94	17.39	2589	865	719
4x4x4 Blindfolded	61	71	338	4:24.24	5:35.89	163	33	30
5x5x5 Blindfolded	74	88	392	14:22.00
3x3x3 Multi-Blind	422	551	2399	2/2 3:42

Medal Collection

Gold	Silver	Bronze
0	0	5

Results
Map

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Slow N Steady UMD Fall 2025	Second round	130	19.23	23.28	30.00	22.47	19.23	21.42	25.94
	First round	127	18.27	22.19	18.27	25.55	25.35	21.47	19.75
Slow N Steady UMD Spring 2025	Second round	93	19.04	20.81	26.54	19.04	20.47	20.18	21.77
	First round	107	17.31	22.56	25.88	17.31	21.27	20.53	29.91
Slow N Steady UMD Fall 2024	Second round	114	18.91	22.08	21.28	26.37	19.81	25.14	18.91
	First round	118	15.77	23.43	28.44	17.65	24.37	28.27	15.77
UMBC Fall 2024	First round	94	20.13	23.84	25.42	22.73	20.13	24.32	24.48
Slow N Steady Spring 2024	Second round	89	16.11	20.17	21.12	21.16	18.23	22.84	16.11
	First round	99	19.41	21.35	20.21	22.75	21.09	DNF	19.41
MoCo Cubing Winter 2024	First round	85	21.01	23.22	21.74	28.93	22.95	21.01	24.97
Slow N Steady Fall 2023	First round	148	21.53	23.46	25.10	22.01	23.60	24.77	21.53
CubingUSA Nationals 2023	First round	799	14.63	19.56	20.18	15.83	22.67	25.34	14.63
Potomac Spring 2023	First round	65	18.03	20.44	19.19	21.73	20.40	28.20	18.03
Slow N Steady Fall 2022	First round	172	22.46	26.50	22.46	24.82	27.52	34.27	27.15
Silver Spring Summer 2022	First round	91	20.12	24.72	26.48	20.12	26.61	24.58	23.09
River Hill Spring 2022	First round	70	19.61	23.22	24.43	22.18	26.60	19.61	23.06
Slow N Steady Spring 2022	First round	117	21.06	27.52	25.41	43.73	28.66	21.06	28.49
Slow N Steady Fall 2021	First round	136	23.09	25.22	24.29	23.09	29.36	23.74	27.64
Potomac Speedcubing 2020	First round	74	25.40	26.38	39.35	26.99	26.18	25.96	25.40
Slow N Steady Summer 2019	First round	121	20.97	25.47	24.31	27.17	27.01	20.97	25.08
CubingUSA Nationals 2019	First round	630	17.46	21.93	17.46	20.30	24.52	20.97	26.32
Northern Virginia Summer 2019	First round	69	17.70	26.77	17.70	29.59	25.99	DNF	24.72
River Hill Spring 2019	First round	80	22.34	28.07	29.39	26.26	29.12	28.84	22.34
Virginia Qualifier 2019	First round	45	22.23	26.52	38.22	22.23	26.15	23.97	29.45
Woodberry Forest School Cubing 2019	First round	44	27.08	31.35	27.08	31.22	32.11	32.10	30.74
CubingUSA Northeast Championship 2019	First round	176	22.13	26.47	29.38	26.09	34.23	22.13	23.95
Northern Neck Winter 2019	First round	66	20.69	26.59	26.96	23.10	29.71	20.69	35.98
TJHSST Fall 2018	First round	90	28.09	35.44	28.09	37.82	32.08	36.41	39.03
2x2x2 Cube
Slow N Steady Spring 2024	First round	59	4.48	5.57	5.65	6.31	6.28	4.48	4.78
Slow N Steady Fall 2023	First round	71	4.47	4.83	5.42	5.00	5.03	4.47	4.47
CubingUSA Nationals 2023	Second round	363	3.31	5.13	6.01	5.11	3.31	4.68	5.61
	First round	399	3.95	4.67	4.48	4.56	4.96	5.00	3.95
River Hill Spring 2022	First round	36	2.96	5.60	6.24	5.52	5.78	5.49	2.96
Slow N Steady Spring 2022	First round	61	4.50	5.74	5.78	5.98	4.50	8.04	5.45
CubingUSA Nationals 2019	First round	539	5.46	6.46	5.46	7.19	5.66	6.52	7.56
River Hill Spring 2019	Final	62	6.88	7.18	6.91	7.03	6.88	8.66	7.61
Woodberry Forest School Cubing 2019	First round	37	7.83	8.49	8.81	8.73	DNF	7.83	7.93
CubingUSA Northeast Championship 2019	First round	152	6.50	8.51	9.92	7.85	9.56	6.50	8.13
Northern Neck Winter 2019	First round	76	5.67	10.56	5.67	17.95	12.23	10.01	9.44
4x4x4 Cube
Slow N Steady UMD Fall 2025	Final	74	1:01.72	1:10.59	1:29.29	1:01.72	1:10.56	1:14.51	1:06.69
Slow N Steady UMD Spring 2025	Final	36	54.72	59.49	58.67	1:04.28	55.53	54.72	1:05.76
Slow N Steady UMD Fall 2024	Final	59	1:01.73	1:04.70	1:06.32	1:04.78	1:03.01	1:07.75	1:01.73
UMBC Fall 2024	First round	48	1:04.17	1:10.83	1:11.75	1:04.17	1:14.03	1:09.40	1:11.33
River Hill Spring 2022	Final	39	1:06.51	1:11.39	1:12.27	1:14.57	1:18.51	1:07.34	1:06.51
Potomac Speedcubing 2020	First round	46	1:04.58	1:16.35	1:04.58	1:21.76	1:12.72	1:30.13	1:14.56
Slow N Steady Summer 2019	First round	71	1:09.80		1:19.22	1:09.80
Northern Virginia Summer 2019	Final	53	1:30.94		1:30.94	1:39.76
River Hill Spring 2019	Final	48	1:15.05	1:22.68	1:28.66	1:15.05	1:22.55	1:18.63	1:26.85
Virginia Qualifier 2019	First round	31	1:16.69	1:19.85	1:20.89	1:16.69	1:19.43	1:19.22	1:29.14
Woodberry Forest School Cubing 2019	First round	34	1:16.79	1:30.61	1:16.79	1:36.42	1:29.48	1:41.59	1:25.92
CubingUSA Northeast Championship 2019	Final	118	1:29.30		1:29.30	1:43.83
TJHSST Fall 2018	Final	71	DNF		DNF	DNF
5x5x5 Cube
Slow N Steady Spring 2024	Final	31	1:42.84	1:51.45	1:42.84	1:47.09	1:52.02	2:00.45	1:55.25
Slow N Steady Spring 2022	Final	51	2:06.89		2:06.89	2:06.98
Potomac Speedcubing 2020	First round	35	2:05.16		2:31.20	2:05.16
Slow N Steady Summer 2019	Final	56	2:09.23		2:09.23	2:30.84
Northern Virginia Summer 2019	Final	36	2:23.77		2:23.77	2:33.61
Woodberry Forest School Cubing 2019	Final	29	2:25.79	2:33.57	2:26.39	2:25.79	2:39.67	2:47.49	2:34.66
6x6x6 Cube
Northern Virginia Summer 2019	Final	29	4:59.13		4:59.13
Woodberry Forest School Cubing 2019	Final	20	4:39.43	4:43.51	4:41.97	4:49.12	4:39.43
CubingUSA Northeast Championship 2019	Final	69	5:24.67		5:24.67
7x7x7 Cube
Potomac Speedcubing 2020	Final	26	7:09.40		7:09.40
3x3x3 Blindfolded
Slow N Steady UMD Fall 2025	Final	6	1:09.87	DNF	DNF	1:09.87	DNF
	Second round	6	1:09.86	DNF	DNF	1:26.84	1:09.86
	First round	3	48.24	DNF	DNF	1:47.80	48.24
Slow N Steady UMD Fall 2024	Final	5	47.25	DNF	47.25	47.86	DNF
	Second round	5	50.72	DNF	50.72	DNF	51.63
	First round	5	43.34	57.78	1:08.14	1:01.86	43.34
Slow N Steady Spring 2024	Final	8	58.16	DNF	1:05.11	DNF	58.16
	Second round	8	1:12.07	DNF	DNF	1:12.07	DNF
	First round	8	53.96	59.94	1:00.54	1:05.33	53.96
Shhlow N Shhteady Fall 2023	Final	4	51.49	1:03.41	51.49	1:07.44	1:11.31
	Second round	4	1:11.45	DNF	1:11.45	DNF	DNF
	First round	6	1:15.22	DNF	DNF	1:15.22	DNF
CubingUSA Nationals 2023	Second round	28	46.55	56.85	1:10.88	53.13	46.55
	First round	38	1:09.51	DNF	1:09.51	DNF	DNF
Slow N Steady Spring 2023	Final	8	1:06.11	DNF	DNF	1:11.30	1:06.11
	First round	9	46.89	1:10.09	1:39.41	1:03.97	46.89
Slow N Steady Fall 2022	Final	5	1:40.48	DNF	1:43.08	DNF	1:40.48
Silver Spring Summer 2022	First round	15	DNF	DNF	DNF	DNF	DNF
Slow N Steady Spring 2022	Final	4	1:32.36	DNF	DNF	1:33.27	1:32.36
Slow N Steady Fall 2021	Final	6	1:50.57	DNF	DNF	DNF	1:50.57
River Hill Spring 2019	Final	14	3:25.17	DNF	DNF	DNF	3:25.17
3x3x3 Fewest Moves
CubingUSA Nationals 2023	Final	83	41	DNF	41	43	DNS
FMC Anglo America 2023	Final	9	26	30.67	31	35	26
Northern Virginia Summer 2019	Final	10	39	46.67	60	41	39
Virginia Qualifier 2019	Final	9	39	43.33	49	42	39
3x3x3 One-Handed
Slow N Steady UMD Fall 2025	First round	59	30.46	31.93	30.46	32.54	38.07	31.24	32.01
Slow N Steady UMD Spring 2025	First round	48	26.09	30.74	26.09	39.26	32.75	29.82	29.64
Slow N Steady UMD Fall 2024	First round	48	25.44	29.79	25.44	27.50	33.25	35.78	28.61
UMBC Fall 2024	Final	34	23.51	28.51	28.59	28.05	23.51	28.88	32.99
Slow N Steady Spring 2024	Final	68	39.72	44.82	44.52	44.32	46.36	45.62	39.72
Slow N Steady Fall 2023	Final	115	46.38		51.70	46.38
Potomac Spring 2023	Final	54	45.02		45.02	DNF
Slow N Steady Fall 2022	Final	106	47.20		47.20	56.62
River Hill Spring 2022	First round	46	40.38	43.01	40.38	52.05	41.59	43.92	43.52
Slow N Steady Spring 2022	Final	82	55.06		57.32	55.06
Slow N Steady Fall 2021	Final	95	46.00		54.92	46.00
Slow N Steady Summer 2019	First round	89	36.66	46.06	52.90	36.66	40.72	1:01.25	44.56
CubingUSA Northeast Championship 2019	Final	126	59.51		59.84	59.51
Northern Neck Winter 2019	Final	58	57.30		1:05.44	57.30
TJHSST Fall 2018	Final	59	59.50		1:08.34	59.50
Clock
MoCo Cubing Winter 2024	Final	6	6.86	8.10	DNF	7.79	8.68	7.82	6.86
CubingUSA Nationals 2023	Second round	39	5.72	6.38	7.05	6.48	5.72	6.51	6.15
	First round	48	6.27	6.76	6.90	7.95	6.77	6.27	6.62
Potomac Spring 2023	Final	3	5.58	7.08	5.58	6.50	7.22	DNF	7.51
Silver Spring Summer 2022	Final	5	8.46	8.71	8.77	8.46	8.62	8.74	10.29
	First round	7	7.26	8.88	7.97	7.26	DNF	8.44	10.22
CubingUSA Nationals 2019	First round	99	9.71	DNF	DNF	DNF	10.32	10.21	9.71
Virginia Qualifier 2019	Final	3	10.54	11.46	12.85	DNF	10.54	10.73	10.80
	First round	1	9.63	10.41	10.16	9.88	9.63	11.31	11.19
CubingUSA Northeast Championship 2019	Final	15	11.25	12.09	12.51	13.57	11.64	12.11	11.25
Megaminx
Potomac Spring 2023	Final	31	2:08.06	2:24.85	2:30.06	2:08.06	2:24.40	2:22.53	2:27.61
Northern Virginia Summer 2019	Final	35	2:27.46		2:57.97	2:27.46
River Hill Spring 2019	Final	32	1:56.83		2:15.07	1:56.83
Pyraminx
CubingUSA Nationals 2023	First round	747	13.32	23.21	32.85	30.00	16.47	13.32	23.15
CubingUSA Nationals 2019	First round	404	8.49	12.10	10.19	8.49	14.76	13.46	12.65
River Hill Spring 2019	First round	46	9.02	10.98	9.02	15.75	9.13	12.00	11.81
Woodberry Forest School Cubing 2019	First round	29	9.12	13.10	9.12	13.79	13.85	13.21	12.29
Skewb
UMBC Fall 2024	First round	33	7.75	10.48	10.30	7.75	10.08	11.07	12.49
CubingUSA Nationals 2023	First round	252	6.42	7.32	7.98	6.42	9.37	7.26	6.71
Potomac Spring 2023	Final	16	5.66	7.77	8.16	8.09	7.79	7.42	5.66
CubingUSA Nationals 2019	First round	330	8.03	9.80	9.19	8.03	10.04	16.94	10.18
Northern Virginia Summer 2019	First round	33	7.45	9.64	7.45	10.30	9.40	9.64	9.89
River Hill Spring 2019	Final	31	5.69	8.53	8.37	12.60	6.55	10.66	5.69
Virginia Qualifier 2019	First round	22	7.20	8.74	8.54	12.56	10.29	7.20	7.39
CubingUSA Northeast Championship 2019	Final	79	7.13	9.73	10.16	7.13	9.68	9.99	9.51
Northern Neck Winter 2019	First round	50	12.94	15.38	12.94	13.04	16.28	16.83	22.45
Square-1
Slow N Steady UMD Fall 2025	Final	13	16.12	21.76	26.13	16.12	24.34	19.85	21.10
	First round	15	16.90	20.35	29.91	20.52	16.90	19.47	21.07
MoCo Cubing Winter 2024	Final	13	16.88	20.46	21.48	18.97	20.92	16.88	27.44
Slow N Steady Fall 2023	Final	16	14.41	17.94	16.72	14.41	17.45	19.65	26.76
	First round	23	17.26	19.37	28.50	18.77	21.48	17.86	17.26
CubingUSA Nationals 2023	First round	179	16.72	17.78	18.63	17.92	17.74	17.67	16.72
Potomac Spring 2023	Final	12	18.09	19.86	21.33	22.46	18.31	19.93	18.09
	First round	12	15.56	17.39	25.67	18.60	16.04	15.56	17.52
Slow N Steady Fall 2022	First round	31	15.08	22.50	15.08	31.22	23.92	20.29	23.28
Silver Spring Summer 2022	First round	16	14.01	21.65	16.55	21.51	14.01	32.79	26.88
River Hill Spring 2022	First round	11	18.24	21.57	24.74	22.25	20.53	21.94	18.24
Potomac Speedcubing 2020	Final	10	14.90	18.28	19.40	14.90	20.30	15.15	21.66
	First round	12	19.50	22.70	26.25	19.50	20.19	23.57	24.33
CubingUSA Nationals 2019	First round	117	17.17	19.96	24.47	18.56	17.17	21.40	19.91
Virginia Qualifier 2019	Final	10	17.30	21.46	19.75	22.64	22.48	22.16	17.30
	First round	6	12.94	18.12	18.80	23.29	14.95	20.60	12.94
CubingUSA Northeast Championship 2019	First round	30	16.54	19.28	19.05	21.58	17.22	16.54	22.50
TJHSST Fall 2018	Final	25	22.55	26.41	26.73	31.78	29.68	22.82	22.55
4x4x4 Blindfolded
Slow N Steady UMD Fall 2025	Final	3	6:37.38	DNF	10:02.00	DNF	6:37.38
Slow N Steady UMD Fall 2024	Final	4	5:04.10	DNF	5:49.37	5:04.10	DNF
Slow N Steady Spring 2024	Final	4	4:24.24	5:35.89	5:51.07	4:24.24	6:32.35
Shhlow N Shhteady Fall 2023	Final	3	4:31.80	DNF	DNF	5:10.91	4:31.80
CubingUSA Nationals 2023	Final	14	5:13.07	5:47.02	5:45.08	5:13.07	6:22.91
Slow N Steady Spring 2023	Final	5	6:17.32	DNF	6:17.32	DNF	DNF
Northern Virginia Summer 2019	Final	6	DNF	DNF	DNF	DNF	DNF
Virginia Qualifier 2019	Final	5	17:02.00	DNF	17:02.00	DNF	DNF
5x5x5 Blindfolded
Slow N Steady UMD Fall 2024	Final	2	DNF	DNF	DNF	DNF	DNF
Slow N Steady Spring 2024	Final	4	14:22.00	DNF	14:22.00	DNF	DNF
Shhlow N Shhteady Fall 2023	Final	3	16:11.00	DNF	DNF	DNF	16:11.00
Slow N Steady Spring 2023	Final	4	DNF	DNF	DNF	DNF	DNF
Northern Virginia Summer 2019	Final	2	DNF	DNF	DNF	DNF	DNS
3x3x3 Multi-Blind
Slow N Steady UMD Fall 2025	Final	6	2/2 4:29		2/2 4:29
Slow N Steady UMD Fall 2024	Final	9	2/2 3:42		2/2 3:42
Slow N Steady Spring 2024	Final	9	2/3 11:56		2/3 11:56
Shhlow N Shhteady Fall 2023	Final	13	DNF		DNF
Slow N Steady Spring 2023	Final	12	DNF		DNF