Michael Chai (柴天方)

Country	WCA ID	Gender	Competitions	Completed Solves
United States	2016CHAI03	Male	27	685

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	348	448	1577	8.26	10.24	1564	429	337
2x2x2 Cube	1409	1997	7132	2.92	5.70	14021	3832	2716
4x4x4 Cube	116	145	627	32.48	37.59	615	146	116
5x5x5 Cube	339	479	2073	1:22.83	1:27.76	1659	380	277
6x6x6 Cube	707	1002	3872	4:18.41
7x7x7 Cube	647	916	3642	7:00.43
3x3x3 One-Handed	850	1244	5772	20.75	29.25	8467	1780	1197
Megaminx	53	72	289	51.23	56.63	246	58	41
Pyraminx	1175	1679	6964	5.72	19.38	33282	9142	6647
Square-1	1050	1382	4643	35.46	47.54	4561	1371	1043

Gold	Silver	Bronze
2	1	0

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Bay Area Speedcubin' 13 2019	Final	12	10.40	12.22	10.40	13.96	10.46	13.29	12.90
	Second	12	9.14	10.29	10.82	9.14	9.24	10.81	12.13
	First	24	8.26	11.42	19.94	14.14	10.23	9.90	8.26
SacCubing VI 2019	Final	11	9.40	10.58	11.27	13.29	9.40	10.03	10.45
	Second	10	9.73	10.49	10.11	11.14	10.23	14.12	9.73
	First	12	9.84	11.01	10.69	11.00	11.69	11.35	9.84
Berkeley Fall 2018	Final	13	10.24	11.11	10.65	12.00	10.24	10.69	13.67
	Second	15	9.61	11.09	11.01	11.22	12.75	9.61	11.03
	First	17	9.56	11.95	11.25	13.87	13.33	11.26	9.56
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
SacCubing VI 2019	First	49	5.04	6.63	5.04	5.87	6.83	9.19	7.20
Berkeley Fall 2018	First	37	4.98	6.13	4.98	5.55	5.15	7.70	8.06
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
SacCubing VI 2019	Combined First	14	39.80	46.76	39.80	44.83	45.66	49.80	49.81
Berkeley Fall 2018	Final	7	32.48	41.34	42.40	42.45	39.16	32.48	43.46
	Combined First	11	37.13	45.31	46.45	45.16	48.88	37.13	44.31
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
SacCubing VI 2019	Combined Final	17	1:33.29	1:38.21	1:42.19	1:33.29	1:35.10	1:38.57	1:40.95
Berkeley Fall 2018	Combined Final	18	1:23.19	1:41.07	1:23.19	1:47.62	1:33.33	1:42.26	2:14.40
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
SacCubing VI 2019	Combined Final	19	4:33.33		4:33.33
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
Berkeley Fall 2018	Combined Final	17	7:00.43		7:00.43
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
SacCubing VI 2019	Combined First	28	20.75	31.71	30.20	27.13	20.75	55.91	37.79
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
SacCubing VI 2019	Combined Final	1	52.53	58.48	56.24	56.29	1:07.61	52.53	1:02.90
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
SacCubing VI 2019	First	56	13.72	19.38	40.07	15.75	15.72	13.72	26.66
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
SacCubing VI 2019	Combined Final	22	48.31		48.31	53.86
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