Michael Chai (柴天方)

Country	WCA ID	Gender	Competitions	Completed Solves
United States	2016CHAI03	Male	33	872

Event	NR	CR	WR	Single	Average	WR	CR	NR
3x3x3 Cube	296	384	1274	7.86	10.06	1546	443	350
2x2x2 Cube	1525	2162	7814	2.92	5.70	15368	4146	2959
4x4x4 Cube	129	166	714	32.48	37.59	707	170	134
5x5x5 Cube	271	357	1550	1:16.05	1:27.76	1892	451	334
6x6x6 Cube	522	735	2923	3:27.02	3:32.73	2608	660	467
7x7x7 Cube	531	747	2989	5:42.59	6:57.59	3289	838	595
3x3x3 Fewest Moves	408	517	2632	41
3x3x3 One-Handed	937	1373	6305	20.75	29.25	9212	1963	1316
3x3x3 With Feet	446	626	2750	7:33.35
Megaminx	63	83	332	51.23	56.63	286	68	50
Pyraminx	1316	1851	7698	5.72	19.38	36715	10033	7406
Square-1	1157	1512	5072	35.46	47.54	4981	1501	1147

Gold	Silver	Bronze
2	2	1

Competition	Round	Place	Single	Average	Solves
3x3x3 Cube
Bay Area Speedcubin' 16 2019	Final	10	9.49	10.80	9.49	10.61	12.19	11.73	10.06
	Second	10	9.64	10.59	11.73	11.63	10.09	10.05	9.64
	First	10	7.86	10.35	9.58	10.41	11.05	7.86	11.92
Berkeley Spring 2019	Second	13	10.04	10.40	10.04	10.94	11.63	10.20	10.07
	First	11	8.28	10.22	10.72	10.91	9.41	8.28	10.52
Medan Mini All Events 2019	Final	6	8.63	11.78	12.45	8.63	11.28	11.60	13.71
	First	4	9.70	10.33	9.73	9.70	15.55	10.57	10.70
Bay Area Speedcubin' 15 2019	Final	12	9.42	10.97	13.67	10.37	12.89	9.42	9.66
	Second	12	8.03	10.06	11.18	11.21	8.71	10.29	8.03
	First	13	9.99	10.42	10.72	10.40	11.08	9.99	10.13
Bay Area Speedcubin' 14 2019	Second	18	8.95	10.99	10.39	10.10	8.95	12.48	12.73
	First	16	9.15	11.28	9.15	12.01	15.66	11.80	10.02
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
Bay Area Speedcubin' 16 2019	First	35	4.61	5.88	5.81	16.43	6.87	4.96	4.61
Berkeley Spring 2019	First	57	6.03	6.84	6.22	6.03	7.48	9.15	6.82
Medan Mini All Events 2019	First	8	6.52	11.22	17.25	9.22	7.19	DNF	6.52
Bay Area Speedcubin' 14 2019	First	49	5.85	6.50	6.13	6.84	5.85	6.54	17.92
SacCubing VI 2019	First	48	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
Berkeley Spring 2019	Final	9	37.65	40.02	37.65	38.93	42.14	39.02	42.10
	Combined First	11	41.25	41.84	47.21	41.63	42.09	41.81	41.25
Medan Mini All Events 2019	Final	6	34.75	45.88	DNF	43.55	47.16	34.75	46.92
	First	5	35.93	43.95	46.40	43.58	42.35	35.93	45.93
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
Bay Area Speedcubin' 16 2019	Combined Final	15	1:27.52	1:39.49	1:38.48	1:34.87	1:48.64	1:27.52	1:45.13
Medan Mini All Events 2019	Final	4	1:26.86	1:30.73	1:27.93	1:40.22	1:26.86	1:33.68	1:30.58
	First	6	1:16.05	1:27.96	1:34.48	1:16.05	1:29.85	1:23.27	1:30.76
Bay Area Speedcubin' 15 2019	Combined Final	19	1:29.29	1:37.64	1:50.46	1:29.29	1:40.09	1:35.54	1:37.30
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
Berkeley Spring 2019	Combined Final	14	3:27.02	3:32.73	3:29.35	3:41.83	3:27.02
Medan Mini All Events 2019	Final	6	3:50.43	4:12.15	3:53.03	4:52.99	3:50.43
	Combined First	5	3:28.81	4:11.17	4:38.71	4:25.99	3:28.81
Bay Area Speedcubin' 15 2019	Combined Final	19	4:27.63		4:27.63
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 Spring 2019	Combined Final	18	6:53.55		6:53.55
Medan Mini All Events 2019	Combined First	7	6:02.44	6:57.59	6:02.44	6:50.94	7:59.39
Bay Area Speedcubin' 15 2019	Combined Final	14	5:42.59		5:42.59
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 Fewest Moves
Medan Mini All Events 2019	Final	7	41	DNF	41	DNF	DNS
PBQ Berkeley Spring 2019	Final	11	DNF	DNF	DNS	DNS	DNF
3x3x3 One-Handed
Bay Area Speedcubin' 16 2019	Combined First	26	21.23	30.97	30.08	31.21	36.06	31.62	21.23
Medan Mini All Events 2019	Final	7	21.61	33.35	21.61	34.85	34.88	DNF	30.33
	First	7	30.12	32.43	33.13	1:07.43	31.00	33.15	30.12
Bay Area Speedcubin' 14 2019	Combined First	37	25.28	33.95	44.27	25.28	30.25	27.32	1:33.07
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
3x3x3 With Feet
Medan Mini All Events 2019	Combined First	8	7:33.35		7:33.35	7:34.37
Megaminx
Medan Mini All Events 2019	Final	2	55.55	58.39	57.21	1:00.37	57.60	1:07.65	55.55
Bay Area Speedcubin' 15 2019	Combined Final	3	55.04	57.11	57.12	1:02.29	57.77	56.45	55.04
Bay Area Speedcubin' 14 2019	Combined Final	6	55.47	1:01.55	1:10.35	58.15	55.47	1:00.91	1:05.58
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
Bay Area Speedcubin' 16 2019	First	45	16.86	20.64	16.86	18.03	21.97	25.20	21.93
Medan Mini All Events 2019	First	11	8.74	19.59	39.42	16.29	15.44	27.04	8.74
Bay Area Speedcubin' 15 2019	First	46	11.05	23.66	21.42	27.93	11.05	24.98	24.59
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
Bay Area Speedcubin' 16 2019	Combined Final	28	DNF		DNF	DNS
Medan Mini All Events 2019	Combined First	8	1:21.67		1:26.84	1:21.67
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