Michael Chai (柴天方)

Country WCA ID Gender Competitions Completed Solves
United States 2016CHAI03 Male 37 1037

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 314 410 1402 7.86 9.86 1466 422 326
2x2x2 Cube 1672 2356 8381 2.92 5.08 11186 3107 2218
4x4x4 Cube 155 197 794 32.48 37.59 795 194 154
5x5x5 Cube 297 399 1713 1:16.05 1:27.76 2097 502 363
6x6x6 Cube 575 816 3168 3:27.02 3:32.73 2830 725 509
7x7x7 Cube 581 828 3227 5:42.59 6:57.59 3551 922 643
3x3x3 Fewest Moves 438 565 2823 41
3x3x3 One-Handed 1010 1470 6739 20.75 29.25 9736 2062 1381
3x3x3 With Feet 478 671 2893 7:33.35
Megaminx 35 46 187 46.51 52.65 203 51 38
Pyraminx 1445 2016 8329 5.72 15.12 29147 7869 5832
Square-1 1263 1652 5485 35.46 47.54 5385 1640 1248

Medal Collection

Gold Silver Bronze
4 2 2
Competition Round Place Single Average Solves
3x3x3 Cube
CubingUSA Nationals 2019 Second 157 9.22 11.01 10.3812.729.229.9314.79
First 108 8.95 9.86 8.9510.709.3413.899.55
CubingUSA Western Championship 2019 Second 32 9.48 10.77 9.489.9912.3010.0312.98
First 23 8.22 10.13 10.479.9210.0111.618.22
Bay Area Speedcubin' 17 2019 Final 10 10.52 11.18 15.5011.8311.0210.5210.70
Second 12 10.02 10.56 10.1311.4010.0210.1412.24
First 14 10.09 10.88 10.2710.0910.5111.9511.87
SacCubing VII 2019 Final 9 10.24 10.77 10.8813.0210.7810.6510.24
Second 9 9.39 10.65 12.3010.409.3910.7310.82
First 13 9.89 11.13 10.7111.819.8913.7910.87
Bay Area Speedcubin' 16 2019 Final 10 9.49 10.80 9.4910.6112.1911.7310.06
Second 10 9.64 10.59 11.7311.6310.0910.059.64
First 10 7.86 10.35 9.5810.4111.057.8611.92
Berkeley Spring 2019 Second 13 10.04 10.40 10.0410.9411.6310.2010.07
First 11 8.28 10.22 10.7210.919.418.2810.52
Medan Mini All Events 2019 Final 6 8.63 11.78 12.458.6311.2811.6013.71
First 4 9.70 10.33 9.739.7015.5510.5710.70
Bay Area Speedcubin' 15 2019 Final 12 9.42 10.97 13.6710.3712.899.429.66
Second 12 8.03 10.06 11.1811.218.7110.298.03
First 13 9.99 10.42 10.7210.4011.089.9910.13
Bay Area Speedcubin' 14 2019 Second 18 8.95 10.99 10.3910.108.9512.4812.73
First 16 9.15 11.28 9.1512.0115.6611.8010.02
Bay Area Speedcubin' 13 2019 Final 12 10.40 12.22 10.4013.9610.4613.2912.90
Second 12 9.14 10.29 10.829.149.2410.8112.13
First 24 8.26 11.42 19.9414.1410.239.908.26
SacCubing VI 2019 Final 11 9.40 10.58 11.2713.299.4010.0310.45
Second 10 9.73 10.49 10.1111.1410.2314.129.73
First 12 9.84 11.01 10.6911.0011.6911.359.84
Berkeley Fall 2018 Final 13 10.24 11.11 10.6512.0010.2410.6913.67
Second 15 9.61 11.09 11.0111.2212.759.6111.03
First 17 9.56 11.95 11.2513.8713.3311.269.56
Bay Area Speedcubin' 12 2018 Second 15 10.27 10.64 10.2710.4110.4211.0811.87
First 19 8.96 11.79 9.498.9612.8213.05DNF
Berkeley Summer 2018 Second 28 10.08 12.12 11.7712.5812.5612.0210.08
First 17 9.81 10.82 10.6110.579.8111.2712.46
SacCubing V 2018 Second 14 10.19 11.70 13.2214.0910.1911.3310.56
First 12 9.11 11.27 9.1128.6510.8710.2012.73
CubingUSA Western Championship 2018 Second 32 10.00 11.16 10.0010.1212.2311.1317.86
Combined First 23 10.01 10.85 10.0110.9811.4610.2311.34
SacCubing IV 2018 Second 26 9.23 13.54 12.469.23DNF12.2315.93
First 9 9.33 10.24 9.5111.4218.819.809.33
Berkeley Spring 2018 Second 26 10.17 13.86 27.5910.1713.5113.6714.41
First 30 10.82 13.68 12.6115.3813.0410.8219.65
Berkeley Winter 2018 Second 20 9.87 11.36 12.0612.399.8710.3111.72
First 12 8.67 11.16 11.5411.5712.998.6710.36
Berkeley Fall 2017 Second 23 10.97 11.52 12.1011.4512.5410.9711.00
First 24 10.49 11.63 10.4911.5312.8310.5314.30
San Ramon Cubed 2017 Final 13 9.72 11.25 9.7211.9912.0811.0410.72
Second 9 9.26 10.83 11.989.3411.989.2611.16
First 20 10.73 11.92 13.8510.7311.0516.2810.86
San Francisco Bay Open 2017 Final 20 10.80 15.84 16.4613.3910.8017.6626.45
Second 14 9.13 12.08 12.0710.5513.639.1317.18
First 7 9.27 10.64 9.369.2712.0010.5514.58
Berkeley Summer 2017 Final 8 10.10 10.95 12.6811.2010.7610.9010.10
Second 10 9.64 10.71 13.899.6410.6910.0911.34
First 29 9.88 12.45 9.8812.0112.4912.8413.76
SacCubing II 2017 Second 18 10.18 13.21 10.1815.7713.9014.0311.71
First 11 9.80 11.49 11.899.8011.7010.8817.77
San Ramon 2017 Final 12 10.32 11.22 12.2010.3211.3111.9910.35
Second 10 9.55 11.21 11.7710.2212.9511.639.55
First 15 10.96 11.91 13.8511.4110.9611.8712.46
6.25 Bay Area 2017 First 26 10.94 12.29 10.9412.1112.9311.8413.17
Zhuhai Open 2017 Second 15 11.62 12.15 12.3211.6212.4912.4811.64
First 19 10.89 13.01 13.4715.8012.7210.8912.85
Berkeley Spring 2017 Second 20 10.67 13.18 11.7110.6713.9315.5513.89
First 21 10.92 12.57 11.8113.5412.3710.9218.05
Berkeley Winter 2017 Second 21 11.00 12.84 11.0017.9111.5615.3711.60
First 25 13.52 13.98 14.0714.0115.2613.5213.86
Armin Open 2017 Second 25 12.39 13.70 13.7215.0114.4312.3912.95
First 19 10.70 13.11 13.5913.4010.7012.3313.73
Shenzhen New Year 2017 Second 16 11.50 13.01 13.8012.8612.3811.5014.25
First 40 12.19 15.84 12.1936.6714.3318.1315.07
Berkeley Fall 2016 Second 16 11.47 12.85 11.4712.8913.7011.9614.71
First 24 11.64 13.33 11.6415.0112.5814.7812.63
Berkeley Summer 2016 First 36 12.85 14.77 15.9814.1612.8516.0414.18
Arnold Classic Asia 2016 First 19 10.67 13.66 14.2714.6512.6014.1110.67
One Night in Beijing 2016 Second 37 12.45 15.23 12.4515.5715.3715.6614.74
First 34 12.48 15.37 12.4817.6314.5715.6515.88
Berkeley Spring 2016 First 29 13.18 15.33 13.7117.0715.2028.8413.18
2x2x2 Cube
CubingUSA Nationals 2019 First 374 4.55 5.18 5.364.935.245.594.55
CubingUSA Western Championship 2019 First 66 4.45 5.24 5.605.424.714.456.47
Bay Area Speedcubin' 17 2019 First 60 3.37 7.82 5.913.3718.8310.477.09
SacCubing VII 2019 First 19 4.72 5.08 5.055.185.006.554.72
Bay Area Speedcubin' 16 2019 First 35 4.61 5.88 5.8116.436.874.964.61
Berkeley Spring 2019 First 57 6.03 6.84 6.226.037.489.156.82
Medan Mini All Events 2019 First 8 6.52 11.22 17.259.227.19DNF6.52
Bay Area Speedcubin' 14 2019 First 49 5.85 6.50 6.136.845.856.5417.92
SacCubing VI 2019 First 48 5.04 6.63 5.045.876.839.197.20
Berkeley Fall 2018 First 37 4.98 6.13 4.985.555.157.708.06
Berkeley Summer 2018 Combined First 75 4.93 7.86 20.315.4011.326.874.93
CubingUSA Western Championship 2018 Second 61 4.55 6.38 4.856.164.558.128.81
Combined First 58 4.60 5.70 5.284.606.25DNF5.56
SacCubing IV 2018 First 39 5.21 6.25 6.496.575.216.875.70
Berkeley Spring 2018 Combined First 41 5.61 6.18 5.6110.665.666.546.34
Berkeley Winter 2018 Combined First 79 4.76 7.07 6.117.088.028.014.76
Berkeley Fall 2017 Combined First 52 2.92 5.91 8.627.446.004.282.92
Berkeley Summer 2017 Combined First 47 5.25 6.20 6.425.256.8910.855.28
6.25 Bay Area 2017 Final 20 4.63 4.63
Zhuhai Open 2017 Combined First 31 5.31 6.13 6.465.317.115.726.20
Berkeley Spring 2017 Combined First 38 4.84 5.95 4.846.685.176.017.29
4x4x4 Cube
CubingUSA Nationals 2019 First 153 41.24 43.60 43.6944.8541.2442.9944.12
CubingUSA Western Championship 2019 Combined First 26 39.24 41.95 43.6042.2040.2039.2443.45
SacCubing VII 2019 Combined Final 6 37.23 39.18 42.5837.3839.8037.2340.37
Berkeley Spring 2019 Final 9 37.65 40.02 37.6538.9342.1439.0242.10
Combined First 11 41.25 41.84 47.2141.6342.0941.8141.25
Medan Mini All Events 2019 Final 6 34.75 45.88 DNF43.5547.1634.7546.92
First 5 35.93 43.95 46.4043.5842.3535.9345.93
SacCubing VI 2019 Combined First 14 39.80 46.76 39.8044.8345.6649.8049.81
Berkeley Fall 2018 Final 7 32.48 41.34 42.4042.4539.1632.4843.46
Combined First 11 37.13 45.31 46.4545.1648.8837.1344.31
Bay Area Speedcubin' 12 2018 Combined First 13 40.29 44.94 42.8240.2950.8841.1150.89
Berkeley Summer 2018 Final 9 36.97 40.02 DNF36.9738.6941.7139.65
Combined First 5 35.16 37.59 36.8042.6537.5438.4335.16
SacCubing V 2018 Final 9 36.96 42.26 45.7345.6036.9638.4942.68
Combined First 12 38.56 44.35 45.5138.5642.8344.7056.14
CubingUSA Western Championship 2018 Combined First 36 39.49 49.16 51.5752.6046.2139.4949.71
SacCubing IV 2018 Final 8 40.45 43.12 47.7640.4542.0640.9646.34
Combined First 10 35.00 45.09 46.3141.4747.5035.0049.43
Berkeley Spring 2018 Combined Final 4 39.30 43.52 39.3043.5653.6446.8740.14
Berkeley Winter 2018 Combined First 14 42.05 46.32 48.4846.7750.5943.7042.05
San Ramon Cubed 2017 Combined Final 8 37.54 43.55 37.5449.5652.4242.0839.01
SacCubing II 2017 Final 7 39.78 44.47 44.3139.7848.9746.3742.74
Combined First 8 43.41 44.74 43.4648.0746.0043.4144.77
San Ramon 2017 Final 4 39.13 41.61 43.2443.5441.6839.1339.92
Combined First 9 40.99 48.74 40.9959.3648.2355.5242.46
Zhuhai Open 2017 Final 9 40.15 45.87 41.7249.4640.1549.7546.44
Combined First 10 38.50 44.77 38.5054.3946.4642.9444.90
Berkeley Spring 2017 Combined Final 9 46.20 49.61 46.2754.9946.2059.0247.57
Berkeley Winter 2017 Combined Final 9 46.05 48.36 46.0552.9447.7748.4148.91
Berkeley Fall 2016 Combined Final 13 47.66 52.48 53.581:02.8353.3547.6650.50
Berkeley Summer 2016 Combined Final 15 50.26 54.30 53.8952.3256.7056.7650.26
One Night in Beijing 2016 Combined First 27 53.36 1:01.77 53.3653.781:13.011:05.791:05.75
Berkeley Spring 2016 Combined Final 24 57.84 1:06.93 1:07.8457.841:04.691:08.271:21.32
5x5x5 Cube
CubingUSA Nationals 2019 First 221 1:34.70 1:36.37 1:34.701:35.201:35.171:38.751:40.65
CubingUSA Western Championship 2019 Combined First 32 1:27.44 1:29.04 1:28.221:36.751:28.251:30.651:27.44
Bay Area Speedcubin' 17 2019 Combined Final 13 1:35.52 1:44.46 1:48.511:41.881:51.161:35.521:42.99
SacCubing VII 2019 Combined Final 11 1:28.67 1:36.22 1:38.531:41.301:28.841:28.671:53.92
Bay Area Speedcubin' 16 2019 Combined Final 15 1:27.52 1:39.49 1:38.481:34.871:48.641:27.521:45.13
Medan Mini All Events 2019 Final 4 1:26.86 1:30.73 1:27.931:40.221:26.861:33.681:30.58
First 6 1:16.05 1:27.96 1:34.481:16.051:29.851:23.271:30.76
Bay Area Speedcubin' 15 2019 Combined Final 19 1:29.29 1:37.64 1:50.461:29.291:40.091:35.541:37.30
SacCubing VI 2019 Combined Final 17 1:33.29 1:38.21 1:42.191:33.291:35.101:38.571:40.95
Berkeley Fall 2018 Combined Final 18 1:23.19 1:41.07 1:23.191:47.621:33.331:42.262:14.40
Berkeley Summer 2018 Combined Final 12 1:22.83 1:27.76 1:31.011:24.651:29.481:29.161:22.83
CubingUSA Western Championship 2018 Combined First 52 1:45.10 1:52.51 1:45.101:58.921:49.431:49.961:58.15
SacCubing IV 2018 Combined First 18 1:29.45 1:48.39 1:46.241:48.391:29.451:50.531:59.72
Berkeley Spring 2018 Combined Final 19 1:47.20 1:56.18 1:56.111:57.951:54.472:06.041:47.20
Berkeley Fall 2017 Combined Final 17 1:38.72 1:46.75 1:53.631:38.721:39.301:47.332:01.65
San Francisco Bay Open 2017 Combined First 12 1:38.59 1:46.73 1:49.162:17.321:42.671:48.371:38.59
SacCubing II 2017 Combined Final 13 1:34.61 1:40.48 1:43.391:34.831:43.231:34.611:49.13
6.25 Bay Area 2017 Combined Final 22 1:33.67 1:47.71 1:55.691:49.931:37.521:33.672:03.45
Zhuhai Open 2017 Combined First 19 1:37.74 1:45.04 1:37.741:40.742:15.701:46.801:47.58
Berkeley Fall 2016 Combined Final 17 1:44.62 1:51.96 1:46.431:55.261:44.621:54.911:54.53
One Night in Beijing 2016 Combined First 21 2:17.13 2:18.82 2:17.232:48.702:17.132:18.052:21.17
6x6x6 Cube
Bay Area Speedcubin' 17 2019 Combined Final 11 4:33.86 4:33.86
Berkeley Spring 2019 Combined Final 14 3:27.02 3:32.73 3:29.353:41.833:27.02
Medan Mini All Events 2019 Final 6 3:50.43 4:12.15 3:53.034:52.993:50.43
Combined First 5 3:28.81 4:11.17 4:38.714:25.993:28.81
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 6:02.446:50.947:59.39
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 41DNFDNS
PBQ Berkeley Spring 2019 Final 11 DNF DNF DNSDNSDNF
3x3x3 One-Handed
CubingUSA Nationals 2019 First 344 24.18 39.17 30.5939.6624.1847.2554.95
CubingUSA Western Championship 2019 Combined First 94 26.97 42.36 35.0754.0737.9526.971:02.67
Bay Area Speedcubin' 17 2019 Combined First 30 23.13 37.96 32.1049.2523.131:01.7932.52
SacCubing VII 2019 Combined First 22 24.08 31.31 36.3830.0636.2527.6124.08
Bay Area Speedcubin' 16 2019 Combined First 26 21.23 30.97 30.0831.2136.0631.6221.23
Medan Mini All Events 2019 Final 7 21.61 33.35 21.6134.8534.88DNF30.33
First 7 30.12 32.43 33.131:07.4331.0033.1530.12
Bay Area Speedcubin' 14 2019 Combined First 37 25.28 33.95 44.2725.2830.2527.321:33.07
SacCubing VI 2019 Combined First 28 20.75 31.71 30.2027.1320.7555.9137.79
Bay Area Speedcubin' 12 2018 Combined First 31 26.08 31.18 36.1526.0827.0140.9330.39
Berkeley Summer 2018 Combined First 57 34.17 38.3734.17
SacCubing V 2018 Combined First 29 26.25 33.36 49.7137.0430.0233.0226.25
CubingUSA Western Championship 2018 Combined First 64 27.89 31.86 27.8930.6836.6050.3728.29
Berkeley Winter 2018 Combined First 56 30.21 30.2134.83
Berkeley Fall 2017 Combined First 46 24.69 34.06 40.9824.6938.8528.1235.22
Berkeley Summer 2017 Combined First 53 35.37 35.3743.01
Zhuhai Open 2017 Combined First 34 30.88 38.0530.88
Berkeley Spring 2017 Combined First 27 25.38 29.25 25.3827.4333.9934.2426.32
Berkeley Winter 2017 Combined First 35 32.07 32.0734.50
3x3x3 With Feet
Medan Mini All Events 2019 Combined First 8 7:33.35 7:33.357:34.37
Megaminx
CubingUSA Nationals 2019 Second 21 50.21 54.44 54.9455.2953.0850.2155.34
First 24 46.51 52.65 55.0051.1354.9046.5151.91
CubingUSA Western Championship 2019 Final 3 49.13 52.88 56.3251.6649.1357.2450.66
Combined First 4 53.09 57.07 54.351:00.3257.8459.0253.09
Bay Area Speedcubin' 17 2019 Combined Final 1 50.29 55.01 54.0151.88DNF50.2959.14
SacCubing VII 2019 Combined Final 1 55.23 1:01.21 1:02.171:04.081:07.8555.2357.37
Medan Mini All Events 2019 Final 2 55.55 58.39 57.211:00.3757.601:07.6555.55
Bay Area Speedcubin' 15 2019 Combined Final 3 55.04 57.11 57.121:02.2957.7756.4555.04
Bay Area Speedcubin' 14 2019 Combined Final 6 55.47 1:01.55 1:10.3558.1555.471:00.911:05.58
SacCubing VI 2019 Combined Final 1 52.53 58.48 56.2456.291:07.6152.531:02.90
Bay Area Speedcubin' 12 2018 Final 5 51.56 59.46 1:02.1959.691:02.9551.5656.50
Combined First 4 51.49 56.63 54.0051.491:33.5458.8157.07
Berkeley Summer 2018 Combined Final 5 58.93 1:00.13 1:01.3958.931:00.2959.391:00.71
CubingUSA Western Championship 2018 Final 6 54.19 1:01.55 1:08.0854.1957.731:01.311:05.60
Combined First 3 51.23 59.58 56.361:00.631:01.751:04.8651.23
Berkeley Spring 2018 Combined Final 4 59.71 1:09.56 1:06.321:12.881:14.5859.711:09.47
Berkeley Winter 2018 Combined Final 4 51.80 1:02.76 1:09.731:09.8158.2551.801:00.30
Berkeley Fall 2017 Combined Final 2 1:03.33 1:11.79 1:17.181:20.601:03.331:11.121:07.08
Berkeley Summer 2017 Combined Final 4 59.11 1:03.32 1:02.2659.111:06.341:01.351:10.44
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 1:10.141:06.361:21.631:12.031:04.73
Zhuhai Open 2017 Final 5 1:06.47 1:19.48 1:06.471:13.961:21.401:23.071:26.42
Combined First 5 1:14.82 1:21.99 1:14.821:30.611:19.131:20.491:26.34
Shenzhen New Year 2017 Combined Final 7 1:13.87 1:20.49 1:19.661:17.331:13.871:24.471:35.30
Berkeley Fall 2016 Combined Final 4 1:19.72 1:26.45 1:28.291:19.721:35.731:26.871:24.19
Pyraminx
CubingUSA Western Championship 2019 First 98 13.57 15.12 14.4414.1720.3216.7613.57
SacCubing VII 2019 Combined First 40 14.76 19.80 19.8124.4814.7625.4515.10
Bay Area Speedcubin' 16 2019 First 45 16.86 20.64 16.8618.0321.9725.2021.93
Medan Mini All Events 2019 First 11 8.74 19.59 39.4216.2915.4427.048.74
Bay Area Speedcubin' 15 2019 First 46 11.05 23.66 21.4227.9311.0524.9824.59
SacCubing VI 2019 First 56 13.72 19.38 40.0715.7515.7213.7226.66
Bay Area Speedcubin' 12 2018 Combined First 40 5.72 25.02 5.72DNF28.3310.6036.14
CubingUSA Western Championship 2018 Combined First 80 15.02 30.8715.02
SacCubing IV 2018 Combined First 54 22.24 DNF22.24
Square-1
Bay Area Speedcubin' 16 2019 Combined Final 28 DNF DNFDNS
Medan Mini All Events 2019 Combined First 8 1:21.67 1:26.841:21.67
SacCubing VI 2019 Combined Final 22 48.31 48.3153.86
Bay Area Speedcubin' 12 2018 Combined Final 27 45.58 54.0245.58
SacCubing V 2018 Combined Final 17 35.46 47.54 36.1257.5148.9835.461:01.14
Berkeley Winter 2017 Combined First 16 42.58 43.7042.58