Chau Ka Wai (周嘉偉)

Country WCA ID Gender Competitions Completed Solves
Hong Kong 2008WAIC01 Male 22 1020

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 11 724 2096 8.90 11.02 2158 746 11
2x2x2 Cube 7 336 1357 1.85 2.96 660 154 3
4x4x4 Cube 9 235 600 33.36 38.13 537 202 8
5x5x5 Cube 19 570 1463 1:20.47 1:28.66 1397 557 18
3x3x3 Blindfolded 14 1011 2560 3:20.34
3x3x3 One-Handed 26 1779 4243 19.77 25.91 5228 2278 34
Pyraminx 21 1631 5062 5.40 9.22 6882 2340 26
Skewb 72 5992 20056 33.98
Square-1 27 827 2732 27.22 35.76 2643 807 26
3x3x3 Multi-Blind 8 446 1447 1/2 6:04

Medal Collection

Gold Silver Bronze
4 4 6

Record Collection

WR CR NR
4
Competition Round Place Single Average Solves
3x3x3 Cube
Cross-strait Cubing Exchange 2018 Second 22 10.10 11.39 12.4510.3111.4012.5510.10
First 17 9.69 11.15 12.039.6911.9610.4611.02
China's 10th Anniversary Championship 2017 Semi Final 53 10.44 11.88 11.4015.0912.9911.2410.44
Second 54 10.49 11.87 11.1812.5512.2012.2410.49
Combined First 38 10.05 11.17 11.7415.9611.3210.4410.05
Hong Kong Open 2017 Final 12 9.73 11.67 9.7313.0312.7510.9811.28
First 12 10.59 11.83 12.0010.5911.6911.8013.42
Cross-strait Cubing Exchange 2017 Second 25 10.30 12.25 11.5715.8712.9910.3012.18
First 22 8.93 11.64 12.1010.698.9312.1214.47
World Rubik's Cube Championship 2017 Second 338 10.83 13.42 10.8312.8012.7616.1014.70
First 272 9.24 12.19 14.6311.5311.2513.799.24
Hong Kong Cube Day 2017 Final 13 10.15 12.79 13.4010.1512.7412.5913.04
First 10 11.40 11.71 11.9311.4613.9911.4011.75
Arnold Classic Asia 2016 Final 10 10.61 14.04 10.6110.8917.9113.31DNF
Second 7 11.30 11.66 11.3017.3011.4711.7111.80
First 8 10.72 11.42 10.7212.0010.8614.8411.39
China Championship 2015 Second 66 10.54 12.76 10.5414.0212.4017.1211.87
First 61 11.67 12.38 12.5011.7011.6712.9416.62
Hong Kong Summer Cube Day 2015 Final 7 12.11 12.91 12.1119.7412.1213.7812.84
Second 4 9.83 11.02 11.599.8311.0811.6210.38
First 8 11.88 12.69 12.0511.8812.8314.9113.19
Hong Kong Spring Cube Day 2015 Final 2 10.05 12.61 13.3815.2111.1513.3110.05
Second 3 10.13 13.28 14.7115.2210.1314.5010.63
First 3 10.41 12.54 14.0310.69DNF10.4112.90
Back To Cubing Hong Kong 2015 Final 4 10.52 11.90 10.5211.8411.9317.3611.93
First 3 11.00 12.18 12.2113.1811.1614.3011.00
Guangdong Open 2014 Final 10 10.41 12.80 12.9213.3110.4113.3712.17
Semi Final 12 9.54 11.93 11.1413.099.5411.5614.58
Second 7 9.60 11.70 9.6010.8010.9613.3415.52
First 9 8.90 NR 11.62 11.9513.4610.208.9012.71
Guangdong Open 2013 Final 9 10.27 12.40 13.5811.8011.8313.9710.27
Semi Final 10 10.72 12.03 11.4513.4711.1810.7214.06
Second 9 11.27 12.47 12.7511.2714.1013.0711.58
First 13 11.72 13.05 11.7213.8113.1312.5213.50
Asian Championship 2012 Semi Final 17 10.46 11.68 10.9311.8210.4613.6112.28
Second 15 9.56 11.54 12.6512.4910.109.5612.02
First 27 11.25 13.12 13.8911.2512.3615.6613.10
Hong Kong Open 2010 Final 10 9.81 14.14 DNF12.5614.949.8114.93
Second 6 12.68 13.55 13.2712.6816.8613.5013.88
First 4 10.68 12.87 12.9316.9613.1510.6812.53
Hong Kong Cube Day 2010 Final 11 14.52 22.04 15.0614.5236.3614.69DNF
First 9 13.65 15.65 18.4713.65DNF14.3014.18
Guangdong Open 2009 Final 9 12.53 14.51 16.3112.5315.1115.1513.28
Second 27 14.15 16.80 14.1514.75DNF17.7817.88
First 9 14.03 14.93 15.3416.1115.2514.2114.03
Shenzhen Summer Open 2009 Final 12 13.46 15.88 18.7114.8313.4617.6915.13
Second 6 13.31 14.46 14.4414.5514.3817.6913.31
First 9 12.81 14.73 14.6117.6512.8116.7812.81
Macau Rubik's Open 2009 Final 6 13.58 15.76 16.4314.6816.16DNF13.58
Second 5 14.15 15.20 15.0314.1515.4315.4015.16
First 3 13.18 15.13 17.6314.4714.5213.1816.40
Hong Kong Open 2009 Second 33 15.96 DNF DNF16.3416.84DNF15.96
First 23 15.19 17.07 16.5615.1918.2816.3823.46
Hong Kong Open 2008 First 55 25.50 36.1625.5033.91
2x2x2 Cube
Cross-strait Cubing Exchange 2018 Second 31 3.58 4.88 13.274.964.443.585.23
Combined First 33 3.74 5.18 6.044.913.747.624.60
China's 10th Anniversary Championship 2017 Second 67 3.49 5.25 4.466.135.745.543.49
Combined First 63 3.11 5.10 5.605.823.897.113.11
Hong Kong Open 2017 Final 12 4.09 4.47 4.704.096.124.604.11
First 1 1.85 3.49 4.862.535.893.081.85
Cross-strait Cubing Exchange 2017 First 22 3.61 4.49 3.614.524.454.495.10
World Rubik's Cube Championship 2017 Combined First 273 3.57 4.84 6.235.153.574.315.05
Arnold Classic Asia 2016 Final 6 2.47 5.09 4.425.327.632.475.54
Second 8 3.04 4.30 4.465.213.524.923.04
First 29 4.11 5.64 6.585.135.204.1110.21
China Championship 2015 Second 43 4.35 5.13 4.374.356.785.565.47
First 9 2.49 2.96 NR 5.902.613.402.492.88
Hong Kong Summer Cube Day 2015 Final 5 3.77 4.33 4.464.383.775.934.16
First 14 4.20 5.44 4.616.105.604.20DNF
Hong Kong Spring Cube Day 2015 Final 9 5.47 6.28 5.477.096.535.666.65
First 4 2.91 5.07 6.004.5210.152.914.68
Back To Cubing Hong Kong 2015 Final 8 4.59 5.36 4.596.465.305.385.41
First 7 3.91 5.30 5.905.385.113.915.40
Guangdong Open 2014 Second 23 4.73 5.74 6.8712.854.735.404.96
Combined First 20 3.62 4.95 4.875.203.625.234.78
Guangdong Open 2013 Second 28 4.18 5.84 5.305.906.3216.474.18
First 19 4.28 5.29 4.345.615.938.914.28
Asian Championship 2012 Second 17 4.44 5.06 4.445.575.034.975.19
First 22 3.96 4.94 4.685.077.743.965.08
Hong Kong Open 2010 Second 15 4.08 8.31 DNF5.4014.435.114.08
First 12 5.05 5.74 6.945.565.346.335.05
Hong Kong Cube Day 2010 First 13 4.25 6.71 4.255.668.555.91DNF
Guangdong Open 2009 Final 11 5.50 6.56 5.556.475.507.65DNF
First 4 4.72 5.34 5.387.184.944.725.71
Shenzhen Summer Open 2009 Final 11 5.30 7.04 5.815.305.72DNF9.58
First 15 4.40 6.82 5.285.864.40DNF9.33
Macau Rubik's Open 2009 Final 2 4.06 5.95 6.284.066.935.386.18
Hong Kong Open 2009 Final 11 2.96 6.97 5.758.968.716.442.96
First 11 5.38 6.39 7.275.915.386.00DNF
4x4x4 Cube
Cross-strait Cubing Exchange 2018 Combined First 24 33.36 44.63 33.3638.9351.5752.0143.39
China's 10th Anniversary Championship 2017 Combined First 41 42.90 45.22 47.6747.1045.3143.2442.90
Hong Kong Open 2017 Final 5 38.37 43.68 47.0247.4838.3741.7442.27
Combined First 4 37.13 40.51 41.1637.1342.7837.5850.75
Cross-strait Cubing Exchange 2017 Final 12 46.02 50.25 46.0257.5951.9346.9551.88
Combined First 11 36.21 38.13 36.2149.2038.8937.7637.74
World Rubik's Cube Championship 2017 First 114 38.67 41.76 41.8943.0638.6745.1040.32
Hong Kong Cube Day 2017 Combined Final 11 41.21 45.72 49.5745.0648.2143.8941.21
Arnold Classic Asia 2016 Final 10 44.39 50.67 1:08.3048.6048.6944.3954.73
Second 9 43.00 46.23 47.8351.4543.0046.8743.98
Combined First 7 36.98 44.89 43.5249.3050.8836.9841.86
China Championship 2015 Second 45 41.55 48.39 55.9246.8641.5549.5048.81
Combined First 31 42.52 45.78 46.6358.1142.5244.5146.21
Hong Kong Summer Cube Day 2015 Combined First 9 44.52 48.40 54.2546.6950.3148.1944.52
Hong Kong Spring Cube Day 2015 Final 5 44.69 48.84 53.7846.8046.4153.3144.69
Combined First 3 41.71 48.07 43.5350.5850.5941.7150.11
Back To Cubing Hong Kong 2015 Combined Final 10 52.43 55.11 52.431:00.0854.8856.9053.56
Guangdong Open 2014 Final 3 36.73 40.45 NR 36.7352.7438.5440.8242.00
Second 10 41.58 45.94 45.5553.7843.4941.5848.78
Combined First 7 41.32 45.12 41.4241.3250.8743.0658.66
Guangdong Open 2013 Second 29 49.46 DNF 1:07.03DNF49.46DNF54.15
Combined First 14 47.22 53.59 57.7747.2251.2153.4356.13
Asian Championship 2012 First 31 51.96 54.45 54.0451.961:06.0956.0653.24
Hong Kong Open 2010 Final 8 52.13 56.31 58.2852.1357.581:02.0853.08
Second 10 54.21 59.22 57.1354.2159.22DNF1:01.31
First 16 56.44 1:08.18 1:02.271:11.271:11.001:20.8656.44
Hong Kong Cube Day 2010 Final 8 1:01.34 1:05.55 1:10.021:04.751:03.031:08.881:01.34
First 6 53.41 1:00.48 1:04.8153.4157.091:08.0859.55
Guangdong Open 2009 Final 10 56.61 1:07.66 1:09.331:05.1156.611:08.531:18.61
First 3 52.38 58.14 52.381:00.801:00.3053.31DNF
Shenzhen Summer Open 2009 Final 12 1:01.58 1:13.65 1:11.831:10.211:01.581:18.91DNF
First 7 1:01.65 1:06.95 1:06.431:07.531:01.651:06.90DNF
Macau Rubik's Open 2009 Combined Final 3 53.19 1:02.80 1:00.151:19.6853.191:09.3458.90
Hong Kong Open 2009 First 10 1:00.41 1:14.88 1:07.431:00.411:08.861:37.881:28.36
5x5x5 Cube
Cross-strait Cubing Exchange 2018 Combined First 26 1:28.53 1:32.92 1:31.701:28.531:33.001:35.011:34.06
China's 10th Anniversary Championship 2017 Combined First 43 1:25.52 1:28.66 1:27.271:27.171:34.511:31.551:25.52
Cross-strait Cubing Exchange 2017 Combined First 39 1:26.56 1:35.44 1:35.401:37.161:40.751:33.761:26.56
World Rubik's Cube Championship 2017 First 209 1:33.53 1:39.65 1:49.961:37.641:33.531:39.331:41.98
Hong Kong Cube Day 2017 Combined Final 20 1:39.86 1:48.44 1:39.861:44.431:42.311:58.57DNF
Arnold Classic Asia 2016 Combined First 10 1:20.47 1:35.41 1:35.241:36.541:20.471:44.111:34.45
China Championship 2015 Combined First 47 1:25.75 1:38.06 1:40.811:41.731:32.571:40.811:25.75
Hong Kong Summer Cube Day 2015 Combined Final 15 1:29.46 2:00.07 1:59.721:29.462:00.382:11.002:00.10
Hong Kong Spring Cube Day 2015 Combined Final 5 1:33.97 1:41.35 1:48.961:52.811:33.971:37.531:37.55
Back To Cubing Hong Kong 2015 Combined Final 9 1:40.40 1:47.75 1:44.411:50.191:40.401:59.001:48.65
Guangdong Open 2014 Second 22 1:50.45 1:59.05 2:04.712:14.732:01.281:51.161:50.45
Combined First 22 1:43.84 1:50.49 1:51.981:43.841:45.662:09.901:53.84
Guangdong Open 2013 Final 12 1:35.02 1:53.42 2:12.881:44.591:35.022:21.241:42.80
Combined First 12 1:37.13 1:43.62 1:48.751:37.131:49.881:42.781:39.33
Asian Championship 2012 First 42 1:39.51 2:14.03 1:39.512:07.682:55.431:39.632:54.79
Hong Kong Cube Day 2010 First 13 1:54.78 2:13.99 2:12.942:27.11DNF2:01.911:54.78
Shenzhen Summer Open 2009 First 16 2:15.91 2:42.29 2:42.112:43.802:15.912:47.802:40.96
Hong Kong Open 2009 Final 16 2:29.15 2:41.36 2:41.272:43.382:29.152:54.152:39.44
3x3x3 Blindfolded
Hong Kong Open 2017 Final 11 DNF DNF DNFDNSDNS
China Championship 2015 First 30 DNF DNF DNFDNFDNF
Hong Kong Summer Cube Day 2015 Final 6 DNF DNF DNFDNFDNF
Back To Cubing Hong Kong 2015 Final 6 4:26.24 DNF DNFDNF4:26.24
Guangdong Open 2014 First 15 DNF DNF DNFDNFDNF
Guangdong Open 2013 First 10 4:50.07 DNF DNFDNF4:50.07
Asian Championship 2012 First 14 4:00.88 DNF DNF4:00.88DNF
Hong Kong Open 2010 Final 3 3:20.34 DNF DNF3:20.344:46.53
Guangdong Open 2009 First 10 DNF DNF DNFDNFDNF
Shenzhen Summer Open 2009 Final 7 DNF DNF DNFDNFDNF
Macau Rubik's Open 2009 Final 4 5:01.28 DNF DNFDNF5:01.28
Hong Kong Open 2009 Final 8 DNF DNF DNFDNFDNF
3x3x3 Fewest Moves
Guangdong Open 2013 Final 9 DNF DNF
Asian Championship 2012 Final 14 DNF DNF
3x3x3 One-Handed
China's 10th Anniversary Championship 2017 Combined First 94 30.23 31.9930.23
China Championship 2015 Combined First 124 22.91 28.05 31.3122.9129.0827.4927.59
Hong Kong Summer Cube Day 2015 First 18 30.08 33.66 36.5930.0836.9132.2232.18
Hong Kong Spring Cube Day 2015 First 6 21.90 27.34 21.9028.6323.0030.3832.91
Back To Cubing Hong Kong 2015 Final 9 19.77 26.87 23.0831.0826.4431.3619.77
Guangdong Open 2014 Second 19 21.25 25.91 21.2526.41DNF24.8226.49
Combined First 31 23.18 26.19 23.3226.1029.5229.1623.18
Guangdong Open 2013 Second 26 25.22 29.34 26.5025.2228.0833.4342.90
Combined First 22 23.64 26.64 29.9627.8423.6426.2925.80
Asian Championship 2012 First 35 22.59 26.63 29.8022.5927.0225.2827.60
Hong Kong Open 2010 Final 11 24.36 28.03 30.1829.0832.0824.8324.36
Second 10 24.06 26.67 24.41DNF24.0629.3426.27
First 13 25.05 28.88 29.0628.8128.7730.1325.05
Hong Kong Cube Day 2010 Final 7 23.13 31.44 DNF23.1326.8037.1830.33
First 8 26.44 30.17 31.5531.4426.4430.2828.78
Guangdong Open 2009 Final 9 22.27 29.13 22.2728.1632.6929.3129.93
First 8 24.96 28.77 30.4024.9627.5528.7230.03
Shenzhen Summer Open 2009 Final 13 28.90 53.28 39.52DNF1:18.7741.5528.90
First 8 25.75 30.80 30.0330.1934.9132.1925.75
Macau Rubik's Open 2009 Final 12 38.11 38.60 38.46DNF38.6838.6538.11
Hong Kong Open 2009 First 20 30.88 36.34 36.5830.8834.7237.71DNF
Pyraminx
Cross-strait Cubing Exchange 2018 Combined First 39 11.65 12.34 15.5511.6511.8113.2311.99
China's 10th Anniversary Championship 2017 Combined First 82 7.55 10.69 23.827.558.0814.139.86
Cross-strait Cubing Exchange 2017 Combined First 32 8.00 10.50 9.3512.558.0028.169.59
World Rubik's Cube Championship 2017 Combined First 357 5.40 11.43 12.865.4013.1210.1311.29
Hong Kong Side Event Day 2017 Final 25 10.25 14.36 13.9414.9710.2518.4414.18
Arnold Classic Asia 2016 First 18 10.40 12.59 13.0610.4010.65DNF14.07
China Championship 2015 Combined First 75 9.22 10.96 20.499.2210.5510.1612.18
Hong Kong Summer Cube Day 2015 Final 11 9.00 11.61 13.0810.0517.7211.699.00
Hong Kong Spring Cube Day 2015 Final 3 8.46 11.65 14.9610.509.508.4616.91
Back To Cubing Hong Kong 2015 Final 6 10.05 12.10 12.8010.0520.3810.9312.56
Guangdong Open 2014 Second 12 6.23 9.22 9.0313.826.236.6212.02
Combined First 21 8.84 11.34 10.4713.498.8410.2513.30
Guangdong Open 2013 First 20 7.60 14.36 16.1319.8915.5011.457.60
Asian Championship 2012 First 31 9.73 DNF DNF20.599.73DNF22.33
Guangdong Open 2009 First 28 14.56 32.34 32.6632.5814.5632.1132.33
Skewb
Guangdong Open 2014 Combined First 46 33.98 33.98DNF
Square-1
China's 10th Anniversary Championship 2017 Combined First 32 42.97 47.3642.97
Hong Kong Open 2017 Combined Final 18 32.89 35.76 35.8734.9232.8940.9836.49
Cross-strait Cubing Exchange 2017 Combined First 25 30.89 40.91 33.891:02.1542.9645.8730.89
Hong Kong Side Event Day 2017 Final 15 27.22 40.50 41.6559.2646.8727.2232.97
Hong Kong Cube Day 2017 Final 12 28.10 46.47 56.4344.811:24.7038.1728.10
Guangdong Open 2014 Combined First 21 DNF DNFDNF
Asian Championship 2012 First 15 36.15 49.69 55.6853.4636.1552.4743.13
Hong Kong Open 2010 Final 4 30.43 40.81 34.9741.3046.1630.431:17.84
3x3x3 Multi-Blind
Guangdong Open 2013 Final 8 DNF DNF
Asian Championship 2012 Final 7 1/2 6:04 1/2 6:04
Guangdong Open 2009 Final 5 DNF DNF
Magic
Asian Championship 2012 Final 3 1.00 1.14 2.691.381.031.001.00
First 2 0.95 1.05 1.081.691.001.060.95
Hong Kong Open 2010 First 25 0.86 DNF 2.90DNFDNFDNF0.86
Hong Kong Cube Day 2010 Final 1 0.91 1.01 0.93DNF0.961.130.91
First 1 0.84 0.91 0.910.960.900.910.84
Guangdong Open 2009 Final 1 0.90 0.92 0.941.020.900.930.90
First 1 0.93 1.03 0.93DNF1.030.941.11
Shenzhen Summer Open 2009 Final 1 0.94 0.99 1.001.341.000.940.97
First 1 0.90 0.93 0.940.940.900.930.91
Macau Rubik's Open 2009 Final 2 1.00 1.03 1.001.061.031.161.00
First 1 1.02 1.06 1.021.811.081.061.03
Hong Kong Open 2009 Final 14 0.93 2.32 2.903.033.051.020.93
First 3 0.97 1.01 0.972.970.971.061.00
Hong Kong Open 2008 Final 10 1.05 3.05 DNF3.063.053.051.05
First 1 1.05 1.05DNF3.25
Master Magic
Asian Championship 2012 Final 5 2.80 3.27 DNF3.053.403.352.80
First 9 2.86 4.07 5.673.515.853.022.86
Hong Kong Open 2010 First 10 2.93 4.02 3.052.934.884.164.84
Hong Kong Cube Day 2010 Final 4 2.50 2.79 2.883.362.502.712.77
First 1 2.46 2.79 2.582.942.843.182.46
Guangdong Open 2009 Final 4 2.65 3.78 3.053.964.33DNF2.65
First 1 2.81 2.96 2.813.112.945.562.84
Shenzhen Summer Open 2009 Final 1 2.59 2.71 NR 2.652.772.592.7111.94
First 2 2.58 2.76 3.054.632.632.592.58
Macau Rubik's Open 2009 Final 2 2.72 3.11 2.804.932.722.773.75
First 2 2.96 3.26 3.473.285.582.963.02
Hong Kong Open 2009 Final 3 2.59 2.96 3.832.713.312.862.59
First 9 2.93 4.66 DNF4.364.942.934.68
Hong Kong Open 2008 Final 4 3.94 4.47 6.064.344.363.944.71

History of National Records

Single Average Competition Round Solves
3x3x3 Cube
8.90 Guangdong Open 2014 First
2x2x2 Cube
2.96 China Championship 2015 First 5.902.613.402.492.88
4x4x4 Cube
40.45 Guangdong Open 2014 Final 36.7352.7438.5440.8242.00
Master Magic
2.71 Shenzhen Summer Open 2009 Final 2.652.772.592.7111.94

Continental Championship Podiums

Event Place Single Average Solves
Asian Championship 2012
Magic 3 1.00 1.14 2.691.381.031.001.00

National Championship Podiums

Event Place Single Average Solves
Arnold Classic Asia 2016
2x2x2 Cube 2 2.47 5.09 4.425.327.632.475.54
Asian Championship 2012
3x3x3 Multi-Blind 3 1/2 6:04 1/2 6:04
Magic 3 1.00 1.14 2.691.381.031.001.00
Master Magic 2 2.80 3.27 DNF3.053.403.352.80
Hong Kong Open 2010
3x3x3 Blindfolded 3 3:20.34 DNF DNF3:20.344:46.53
Hong Kong Open 2009
Master Magic 3 2.59 2.96 3.832.713.312.862.59