Michael Chai (柴天方)

Country	WCA ID	Gender	Competitions	Completed Solves
United States	2016CHAI03	Male	24	586

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	418	543	1960	8.67	10.24	1434	396	309
2x2x2 Cube	1328	1883	6683	2.92	5.70	13212	3629	2577
4x4x4 Cube	172	224	986	35.00	37.59	554	124	101
5x5x5 Cube	305	431	1891	1:22.83	1:27.76	1499	343	256
6x6x6 Cube	651	931	3615	4:18.41
7x7x7 Cube	584	839	3389	7:03.09
3x3x3 One-Handed	1266	1885	8705	24.69	29.25	7969	1666	1121
Megaminx	51	69	261	51.23	56.63	226	55	39
Pyraminx	1108	1569	6464	5.72	25.02	36067	10007	7263
Square-1	970	1291	4331	35.46	47.54	4252	1272	954

Gold	Silver	Bronze
1	1	0

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Bay Area Speedcubin' 12 2018	Second	15	10.27	10.64	10.27	10.41	10.42	11.08	11.87
	First	19	8.96	11.79	9.49	8.96	12.82	13.05	DNF
Berkeley Summer 2018	Second	28	10.08	12.12	11.77	12.58	12.56	12.02	10.08
	First	17	9.81	10.82	10.61	10.57	9.81	11.27	12.46
SacCubing V 2018	Second	14	10.19	11.70	13.22	14.09	10.19	11.33	10.56
	First	12	9.11	11.27	9.11	28.65	10.87	10.20	12.73
CubingUSA Western Championship 2018	Second	32	10.00	11.16	10.00	10.12	12.23	11.13	17.86
	Combined First	23	10.01	10.85	10.01	10.98	11.46	10.23	11.34
SacCubing IV 2018	Second	26	9.23	13.54	12.46	9.23	DNF	12.23	15.93
	First	9	9.33	10.24	9.51	11.42	18.81	9.80	9.33
Berkeley Spring 2018	Second	26	10.17	13.86	27.59	10.17	13.51	13.67	14.41
	First	30	10.82	13.68	12.61	15.38	13.04	10.82	19.65
Berkeley Winter 2018	Second	20	9.87	11.36	12.06	12.39	9.87	10.31	11.72
	First	12	8.67	11.16	11.54	11.57	12.99	8.67	10.36
Berkeley Fall 2017	Second	23	10.97	11.52	12.10	11.45	12.54	10.97	11.00
	First	24	10.49	11.63	10.49	11.53	12.83	10.53	14.30
San Ramon Cubed 2017	Final	13	9.72	11.25	9.72	11.99	12.08	11.04	10.72
	Second	9	9.26	10.83	11.98	9.34	11.98	9.26	11.16
	First	20	10.73	11.92	13.85	10.73	11.05	16.28	10.86
San Francisco Bay Open 2017	Final	20	10.80	15.84	16.46	13.39	10.80	17.66	26.45
	Second	14	9.13	12.08	12.07	10.55	13.63	9.13	17.18
	First	7	9.27	10.64	9.36	9.27	12.00	10.55	14.58
Berkeley Summer 2017	Final	8	10.10	10.95	12.68	11.20	10.76	10.90	10.10
	Second	10	9.64	10.71	13.89	9.64	10.69	10.09	11.34
	First	29	9.88	12.45	9.88	12.01	12.49	12.84	13.76
SacCubing II 2017	Second	18	10.18	13.21	10.18	15.77	13.90	14.03	11.71
	First	11	9.80	11.49	11.89	9.80	11.70	10.88	17.77
San Ramon 2017	Final	12	10.32	11.22	12.20	10.32	11.31	11.99	10.35
	Second	10	9.55	11.21	11.77	10.22	12.95	11.63	9.55
	First	15	10.96	11.91	13.85	11.41	10.96	11.87	12.46
6.25 Bay Area 2017	First	26	10.94	12.29	10.94	12.11	12.93	11.84	13.17
Zhuhai Open 2017	Second	15	11.62	12.15	12.32	11.62	12.49	12.48	11.64
	First	19	10.89	13.01	13.47	15.80	12.72	10.89	12.85
Berkeley Spring 2017	Second	20	10.67	13.18	11.71	10.67	13.93	15.55	13.89
	First	21	10.92	12.57	11.81	13.54	12.37	10.92	18.05
Berkeley Winter 2017	Second	21	11.00	12.84	11.00	17.91	11.56	15.37	11.60
	First	25	13.52	13.98	14.07	14.01	15.26	13.52	13.86
Armin Open 2017	Second	25	12.39	13.70	13.72	15.01	14.43	12.39	12.95
	First	19	10.70	13.11	13.59	13.40	10.70	12.33	13.73
Shenzhen New Year 2017	Second	16	11.50	13.01	13.80	12.86	12.38	11.50	14.25
	First	40	12.19	15.84	12.19	36.67	14.33	18.13	15.07
Berkeley Fall 2016	Second	16	11.47	12.85	11.47	12.89	13.70	11.96	14.71
	First	24	11.64	13.33	11.64	15.01	12.58	14.78	12.63
Berkeley Summer 2016	First	36	12.85	14.77	15.98	14.16	12.85	16.04	14.18
Arnold Classic Asia 2016	First	19	10.67	13.66	14.27	14.65	12.60	14.11	10.67
One Night in Beijing 2016	Second	37	12.45	15.23	12.45	15.57	15.37	15.66	14.74
	First	34	12.48	15.37	12.48	17.63	14.57	15.65	15.88
Berkeley Spring 2016	First	29	13.18	15.33	13.71	17.07	15.20	28.84	13.18
2x2x2 Cube
Berkeley Summer 2018	Combined First	75	4.93	7.86	20.31	5.40	11.32	6.87	4.93
CubingUSA Western Championship 2018	Second	61	4.55	6.38	4.85	6.16	4.55	8.12	8.81
	Combined First	58	4.60	5.70	5.28	4.60	6.25	DNF	5.56
SacCubing IV 2018	First	39	5.21	6.25	6.49	6.57	5.21	6.87	5.70
Berkeley Spring 2018	Combined First	41	5.61	6.18	5.61	10.66	5.66	6.54	6.34
Berkeley Winter 2018	Combined First	79	4.76	7.07	6.11	7.08	8.02	8.01	4.76
Berkeley Fall 2017	Combined First	52	2.92	5.91	8.62	7.44	6.00	4.28	2.92
Berkeley Summer 2017	Combined First	47	5.25	6.20	6.42	5.25	6.89	10.85	5.28
6.25 Bay Area 2017	Final	20	4.63		4.63
Zhuhai Open 2017	Combined First	31	5.31	6.13	6.46	5.31	7.11	5.72	6.20
Berkeley Spring 2017	Combined First	38	4.84	5.95	4.84	6.68	5.17	6.01	7.29
4x4x4 Cube
Bay Area Speedcubin' 12 2018	Combined First	13	40.29	44.94	42.82	40.29	50.88	41.11	50.89
Berkeley Summer 2018	Final	9	36.97	40.02	DNF	36.97	38.69	41.71	39.65
	Combined First	5	35.16	37.59	36.80	42.65	37.54	38.43	35.16
SacCubing V 2018	Final	9	36.96	42.26	45.73	45.60	36.96	38.49	42.68
	Combined First	12	38.56	44.35	45.51	38.56	42.83	44.70	56.14
CubingUSA Western Championship 2018	Combined First	36	39.49	49.16	51.57	52.60	46.21	39.49	49.71
SacCubing IV 2018	Final	8	40.45	43.12	47.76	40.45	42.06	40.96	46.34
	Combined First	10	35.00	45.09	46.31	41.47	47.50	35.00	49.43
Berkeley Spring 2018	Combined Final	4	39.30	43.52	39.30	43.56	53.64	46.87	40.14
Berkeley Winter 2018	Combined First	14	42.05	46.32	48.48	46.77	50.59	43.70	42.05
San Ramon Cubed 2017	Combined Final	8	37.54	43.55	37.54	49.56	52.42	42.08	39.01
SacCubing II 2017	Final	7	39.78	44.47	44.31	39.78	48.97	46.37	42.74
	Combined First	8	43.41	44.74	43.46	48.07	46.00	43.41	44.77
San Ramon 2017	Final	4	39.13	41.61	43.24	43.54	41.68	39.13	39.92
	Combined First	9	40.99	48.74	40.99	59.36	48.23	55.52	42.46
Zhuhai Open 2017	Final	9	40.15	45.87	41.72	49.46	40.15	49.75	46.44
	Combined First	10	38.50	44.77	38.50	54.39	46.46	42.94	44.90
Berkeley Spring 2017	Combined Final	9	46.20	49.61	46.27	54.99	46.20	59.02	47.57
Berkeley Winter 2017	Combined Final	9	46.05	48.36	46.05	52.94	47.77	48.41	48.91
Berkeley Fall 2016	Combined Final	13	47.66	52.48	53.58	1:02.83	53.35	47.66	50.50
Berkeley Summer 2016	Combined Final	15	50.26	54.30	53.89	52.32	56.70	56.76	50.26
One Night in Beijing 2016	Combined First	27	53.36	1:01.77	53.36	53.78	1:13.01	1:05.79	1:05.75
Berkeley Spring 2016	Combined Final	24	57.84	1:06.93	1:07.84	57.84	1:04.69	1:08.27	1:21.32
5x5x5 Cube
Berkeley Summer 2018	Combined Final	12	1:22.83	1:27.76	1:31.01	1:24.65	1:29.48	1:29.16	1:22.83
CubingUSA Western Championship 2018	Combined First	52	1:45.10	1:52.51	1:45.10	1:58.92	1:49.43	1:49.96	1:58.15
SacCubing IV 2018	Combined First	18	1:29.45	1:48.39	1:46.24	1:48.39	1:29.45	1:50.53	1:59.72
Berkeley Spring 2018	Combined Final	19	1:47.20	1:56.18	1:56.11	1:57.95	1:54.47	2:06.04	1:47.20
Berkeley Fall 2017	Combined Final	17	1:38.72	1:46.75	1:53.63	1:38.72	1:39.30	1:47.33	2:01.65
San Francisco Bay Open 2017	Combined First	12	1:38.59	1:46.73	1:49.16	2:17.32	1:42.67	1:48.37	1:38.59
SacCubing II 2017	Combined Final	13	1:34.61	1:40.48	1:43.39	1:34.83	1:43.23	1:34.61	1:49.13
6.25 Bay Area 2017	Combined Final	22	1:33.67	1:47.71	1:55.69	1:49.93	1:37.52	1:33.67	2:03.45
Zhuhai Open 2017	Combined First	19	1:37.74	1:45.04	1:37.74	1:40.74	2:15.70	1:46.80	1:47.58
Berkeley Fall 2016	Combined Final	17	1:44.62	1:51.96	1:46.43	1:55.26	1:44.62	1:54.91	1:54.53
One Night in Beijing 2016	Combined First	21	2:17.13	2:18.82	2:17.23	2:48.70	2:17.13	2:18.05	2:21.17
6x6x6 Cube
Berkeley Summer 2018	Combined Final	26	4:55.87		4:55.87
CubingUSA Western Championship 2018	Combined Final	39	4:24.47		4:24.47
SacCubing IV 2018	Combined Final	15	4:32.52		4:32.52
SacCubing II 2017	Combined Final	17	4:58.28		4:58.28
6.25 Bay Area 2017	Combined First	22	4:18.41		4:18.41
7x7x7 Cube
SacCubing V 2018	Combined Final	9	DNF		DNF
Berkeley Winter 2018	Combined Final	17	7:13.13		7:13.13
San Francisco Bay Open 2017	Combined Final	12	DNF		DNF
San Ramon 2017	Combined Final	11	7:03.09		7:03.09
3x3x3 One-Handed
Bay Area Speedcubin' 12 2018	Combined First	31	26.08	31.18	36.15	26.08	27.01	40.93	30.39
Berkeley Summer 2018	Combined First	57	34.17		38.37	34.17
SacCubing V 2018	Combined First	29	26.25	33.36	49.71	37.04	30.02	33.02	26.25
CubingUSA Western Championship 2018	Combined First	64	27.89	31.86	27.89	30.68	36.60	50.37	28.29
Berkeley Winter 2018	Combined First	56	30.21		30.21	34.83
Berkeley Fall 2017	Combined First	46	24.69	34.06	40.98	24.69	38.85	28.12	35.22
Berkeley Summer 2017	Combined First	53	35.37		35.37	43.01
Zhuhai Open 2017	Combined First	34	30.88		38.05	30.88
Berkeley Spring 2017	Combined First	27	25.38	29.25	25.38	27.43	33.99	34.24	26.32
Berkeley Winter 2017	Combined First	35	32.07		32.07	34.50
Megaminx
Bay Area Speedcubin' 12 2018	Final	5	51.56	59.46	1:02.19	59.69	1:02.95	51.56	56.50
	Combined First	4	51.49	56.63	54.00	51.49	1:33.54	58.81	57.07
Berkeley Summer 2018	Combined Final	5	58.93	1:00.13	1:01.39	58.93	1:00.29	59.39	1:00.71
CubingUSA Western Championship 2018	Final	6	54.19	1:01.55	1:08.08	54.19	57.73	1:01.31	1:05.60
	Combined First	3	51.23	59.58	56.36	1:00.63	1:01.75	1:04.86	51.23
Berkeley Spring 2018	Combined Final	4	59.71	1:09.56	1:06.32	1:12.88	1:14.58	59.71	1:09.47
Berkeley Winter 2018	Combined Final	4	51.80	1:02.76	1:09.73	1:09.81	58.25	51.80	1:00.30
Berkeley Fall 2017	Combined Final	2	1:03.33	1:11.79	1:17.18	1:20.60	1:03.33	1:11.12	1:07.08
Berkeley Summer 2017	Combined Final	4	59.11	1:03.32	1:02.26	59.11	1:06.34	1:01.35	1:10.44
SacCubing II 2017	Final	1	1:14.05		1:14.05
6.25 Bay Area 2017	Combined Final	4	1:04.73	1:09.51	1:10.14	1:06.36	1:21.63	1:12.03	1:04.73
Zhuhai Open 2017	Final	5	1:06.47	1:19.48	1:06.47	1:13.96	1:21.40	1:23.07	1:26.42
	Combined First	5	1:14.82	1:21.99	1:14.82	1:30.61	1:19.13	1:20.49	1:26.34
Shenzhen New Year 2017	Combined Final	7	1:13.87	1:20.49	1:19.66	1:17.33	1:13.87	1:24.47	1:35.30
Berkeley Fall 2016	Combined Final	4	1:19.72	1:26.45	1:28.29	1:19.72	1:35.73	1:26.87	1:24.19
Pyraminx
Bay Area Speedcubin' 12 2018	Combined First	40	5.72	25.02	5.72	DNF	28.33	10.60	36.14
CubingUSA Western Championship 2018	Combined First	80	15.02		30.87	15.02
SacCubing IV 2018	Combined First	54	22.24		DNF	22.24
Square-1
Bay Area Speedcubin' 12 2018	Combined Final	27	45.58		54.02	45.58
SacCubing V 2018	Combined Final	17	35.46	47.54	36.12	57.51	48.98	35.46	1:01.14
Berkeley Winter 2017	Combined First	16	42.58		43.70	42.58

Current Personal Records

Medal Collection