Clark Cheng

Country WCA ID Gender Competitions Completed Solves
United States 2011CHEN55 Male 22 688

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 956 1280 5014 9.42 11.09 4029 1035 781
4x4x4 Cube 699 989 4478 41.95 49.02 4819 1076 757
5x5x5 Cube 630 876 3707 1:26.58 1:35.02 3560 843 606
6x6x6 Cube 677 947 3644 3:27.20 3:47.06 3730 989 695
7x7x7 Cube 684 975 3756 5:44.36 6:19.23 3649 964 679
3x3x3 One-Handed 211 276 1085 13.11 16.87 1218 280 215
Megaminx 1323 2059 7994 2:18.61
Square-1 235 292 918 12.93 22.54 1749 538 424

Medal Collection

Gold Silver Bronze
1 6 7
Competition Round Place Single Average Solves
3x3x3 Cube
Carolina Season Starter 2018 Final 20 12.14 14.41 12.1412.8418.9213.9016.48
Second round 11 9.42 11.57 13.7411.3011.7411.679.42
First round 17 12.13 12.41 12.1312.3615.0112.5012.36
Hendersonville Fall 2017 Final 7 10.39 11.99 12.5513.8411.8710.3911.55
Second round 10 9.88 12.41 12.5113.2414.609.8811.47
First round 13 11.24 13.88 13.5811.2414.5713.4814.69
CubingUSA Nationals 2017 Second round 142 10.98 12.50 10.9814.6511.8512.9212.72
First round 186 12.16 13.05 13.1312.1613.7512.3713.66
Crossroads Cubing Spring 2017 Final 3 10.62 11.09 11.0610.6211.3710.8412.95
Second round 5 10.27 12.01 10.2711.6011.6113.3112.82
First round 6 11.57 13.14 13.6712.4413.3011.5714.78
Unionville Open Spring 2017 Final 6 10.28 12.51 12.5612.5612.4112.9710.28
Second round 5 10.82 12.81 10.8212.7813.5416.4412.11
First round 7 11.37 13.07 11.3716.3511.8611.7815.56
Discovery Place 2016 Final 11 11.25 13.70 14.1214.5211.2513.6513.34
Second round 10 10.74 13.12 13.7715.5314.1810.7411.40
First round 17 12.16 15.53 18.7517.2113.3812.1615.99
Duke Summer 2016 Final 11 11.34 13.15 14.2813.2912.0314.1211.34
Second round 5 10.46 11.50 13.9911.8110.4610.8911.79
First round 7 10.23 12.77 12.2312.1813.8910.2314.77
Athens Summer Omega 2016 Final 8 12.46 13.80 12.4617.4613.1415.0913.17
Second round 10 12.93 13.92 13.0112.9313.4716.8715.27
First round 9 11.71 13.69 13.5514.0311.7113.7413.77
Athens Fall 2015 Final 11 12.24 15.98 14.51DNF14.3312.2419.11
Second round 10 12.61 13.69 13.1612.6113.7014.22DNF
First round 9 12.97 14.33 15.1314.9514.7612.9713.29
Atlanta Open 2015 Final 7 11.96 13.37 13.3711.9612.1815.6314.56
First round 10 13.83 14.49 18.0414.2014.7714.4913.83
US Nationals 2015 Second round 100 11.92 13.72 15.0714.4911.9214.5912.07
First round 72 11.66 12.62 12.0912.4913.2711.6615.61
Peach State 2015 Final 9 10.97 14.13 15.7712.0518.2310.9714.58
Second round 11 12.06 14.86 12.0617.6114.1218.5512.84
First round 6 12.05 12.72 12.6513.4513.0412.0512.48
Charlotte Open Fall 2014 Final 3 11.81 14.73 15.0116.2011.8114.7914.40
Second round 3 11.96 12.88 15.2012.4411.9613.4112.78
First round 7 13.27 16.32 18.3416.4013.2714.7617.80
US Nationals 2014 First round 169 12.26 15.93 12.2617.1515.1315.6617.01
Harvard Fall 2013 Second round 13 10.61 14.54 17.6313.5314.6110.6115.47
First round 20 14.55 16.32 15.5616.6916.7216.9014.55
World Rubik's Cube Championship 2013 First round 236 12.63 16.35 12.6317.5516.8815.1017.07
Raleigh Open 2013 Final 8 14.02 16.25 14.0215.8819.2816.9315.94
Second round 7 12.08 14.99 13.2216.4412.0815.3616.40
First round 8 14.03 15.87 16.1815.6115.8117.8314.03
Battle of Appalachia 2012 Final 9 12.55 19.55 18.9320.5222.8019.2112.55
Second round 11 17.44 18.91 19.3017.4418.1619.2724.27
First round 10 15.68 17.64 18.4718.2515.6816.1922.47
United States National Championships 2012 First round 141 17.88 18.98 19.5817.8819.0218.3321.61
Raleigh Open 2012 Final 8 17.27 20.24 21.1619.3120.2717.2721.15
Second round 6 13.96 16.64 15.7716.5817.5613.9618.55
First round 7 15.46 16.47 16.5015.7517.1515.4622.46
Minnesota Open 2012 Final 11 16.33 19.07 20.0517.9419.9216.3319.36
Second round 11 13.69 20.00 18.5613.6922.0220.2421.21
First round 13 18.86 20.40 19.6126.9321.1318.8620.46
MIT Fall 2011 First round 36 22.05 25.36 24.1626.1322.0525.7826.80
4x4x4 Cube
Carolina Season Starter 2018 Final 20 51.74 56.53 DNF59.0055.8154.7851.74
Hendersonville Fall 2017 First round 10 47.72 53.81 47.7248.1954.9058.7558.35
CubingUSA Nationals 2017 First round 136 43.56 52.93 43.5655.181:39.7451.4652.16
Crossroads Cubing Spring 2017 Final 7 46.49 51.85 59.2851.1051.5146.4952.93
Unionville Open Spring 2017 Final 6 47.03 54.15 58.4651.211:51.5052.7747.03
First round 7 47.44 58.17 47.441:06.2556.091:01.1857.23
Discovery Place 2016 Final 8 47.01 52.63 53.6452.3953.6851.8747.01
Duke Summer 2016 Final 8 48.94 54.81 52.871:00.2748.9458.2653.30
Athens Summer Omega 2016 Final 7 50.85 55.10 1:02.7753.6350.8557.8653.81
First round 9 53.43 55.15 55.3756.3553.4354.9855.10
Athens Fall 2015 Final 7 49.50 51.69 49.5051.6551.1552.2756.16
Atlanta Open 2015 Final 5 41.95 49.02 48.7050.4641.9547.901:00.06
US Nationals 2015 Second round 65 51.03 53.21 57.3551.0351.9954.4053.23
First round 80 51.31 54.12 57.2252.3358.6752.8251.31
Peach State 2015 Final 7 52.17 56.89 56.6557.9256.1052.1758.20
Charlotte Open Fall 2014 Final 2 51.58 58.84 53.0151.581:05.2058.601:04.90
US Nationals 2014 First round 101 54.81 58.40 58.7856.4559.961:09.0154.81
Harvard Fall 2013 First round 13 57.69 1:08.79 57.691:09.021:09.341:15.841:08.02
World Rubik's Cube Championship 2013 First round 226 1:15.45 1:30.831:15.45
Raleigh Open 2013 Final 8 58.91 1:07.14 1:01.911:04.91DNF58.911:14.61
Battle of Appalachia 2012 Final 4 54.33 1:06.81 1:05.801:24.681:11.5854.331:03.05
First round 3 1:05.38 1:09.66 1:07.591:05.381:11.521:09.861:21.86
United States National Championships 2012 First round 92 1:08.44 1:15.00 1:15.971:14.181:14.841:08.441:16.38
Raleigh Open 2012 First round 9 1:01.38 1:16.24 1:28.221:17.361:09.611:21.751:01.38
Minnesota Open 2012 Final 7 1:19.27 1:22.86 2:05.801:19.271:23.211:22.531:22.83
MIT Fall 2011 First round 19 1:40.11 2:05.281:40.11
5x5x5 Cube
CubingUSA Nationals 2017 First round 88 1:29.30 1:35.02 1:29.301:43.651:33.721:37.031:34.32
Unionville Open Spring 2017 Final 5 1:26.58 1:42.02 1:46.871:41.651:26.581:45.191:39.21
Athens Summer Omega 2016 Final 8 1:43.16 1:51.15 1:54.341:52.151:43.161:52.381:48.92
First round 11 1:46.26 1:54.00 2:02.881:48.801:54.271:46.261:58.94
Athens Fall 2015 Final 10 1:50.52 2:14.53 1:51.791:50.522:21.68DNF2:30.12
Atlanta Open 2015 Final 11 1:44.38 2:06.11 2:01.792:12.052:07.572:08.971:44.38
US Nationals 2015 First round 97 1:44.66 2:02.10 2:00.672:00.361:44.662:05.272:13.97
Charlotte Open Fall 2014 Final 2 1:42.70 1:58.55 1:56.972:09.731:42.701:53.232:05.46
US Nationals 2014 First round 88 1:54.79 2:01.45 2:09.731:59.181:54.792:05.871:59.30
Harvard Fall 2013 Final 11 1:54.34 1:58.54 2:00.561:59.582:19.251:54.341:55.47
World Rubik's Cube Championship 2013 First round 124 1:49.18 2:00.59 1:58.311:53.982:09.491:49.182:13.46
Raleigh Open 2013 Final 8 1:54.03 2:19.07 3:04.532:30.832:25.271:54.032:01.11
Battle of Appalachia 2012 Final 4 1:54.71 2:10.32 1:54.712:24.032:16.612:00.022:14.33
United States National Championships 2012 First round 76 1:56.25 2:20.71 1:56.252:24.942:11.882:30.152:25.31
Raleigh Open 2012 First round 9 2:13.77 2:24.18 2:16.942:25.552:40.802:13.772:30.05
Minnesota Open 2012 Final 6 2:23.03 2:38.07 2:23.032:29.362:44.462:40.382:49.19
MIT Fall 2011 Final 13 2:55.52 2:56.562:55.52
6x6x6 Cube
CubingUSA Nationals 2017 First round 120 4:35.80 4:35.80
Unionville Open Spring 2017 Final 9 3:33.83 3:47.06 3:33.833:44.614:02.73
Athens Summer Omega 2016 First round 11 3:38.40 4:04.13 4:14.004:20.003:38.40
US Nationals 2015 First round 55 3:27.20 3:55.50 3:27.204:26.203:53.11
Peach State 2015 Final 3 3:35.83 3:57.78 4:28.873:48.633:35.83
US Nationals 2014 First round 59 3:54.02 4:04.19 4:01.183:54.024:17.37
World Rubik's Cube Championship 2013 First round 71 3:35.89 3:48.57 3:51.023:35.893:58.81
United States National Championships 2012 First round 46 4:09.30 4:31.18 4:36.094:48.154:09.30
7x7x7 Cube
Unionville Open Spring 2017 Final 8 6:39.57 6:39.57
Athens Summer Omega 2016 Final 11 6:21.57 6:36.34 6:21.576:56.656:30.80
US Nationals 2015 First round 66 6:30.28 6:30.28
Peach State 2015 Final 2 5:44.36 6:19.23 6:37.265:44.366:36.08
World Rubik's Cube Championship 2013 First round 110 7:08.69 7:08.69
3x3x3 One-Handed
Carolina Season Starter 2018 Final 5 15.66 16.87 15.8718.5016.2421.1915.66
Hendersonville Fall 2017 Final 3 14.18 17.09 DNF19.4416.8814.9414.18
First round 3 14.36 17.23 17.0517.5920.1114.3617.04
CubingUSA Nationals 2017 Semi Final 43 16.18 19.60 19.5516.1822.2023.3317.04
Second round 36 16.11 18.23 16.5416.1119.8219.6818.46
First round 70 15.53 20.61 20.9029.0317.0323.8915.53
Crossroads Cubing Spring 2017 Final 2 16.25 18.91 18.9720.1516.2520.4117.60
Duke Summer 2016 Final 3 15.69 18.06 18.4319.1916.5515.6920.00
First round 5 16.93 18.76 18.8318.3620.6419.1016.93
Athens Summer Omega 2016 Final 4 16.19 19.72 16.1923.1721.0421.0617.05
First round 3 14.90 16.88 19.0914.9016.0917.2017.35
Athens Fall 2015 Final 4 16.76 18.07 17.0919.4719.1616.7617.96
First round 3 16.02 17.55 17.9021.2817.3117.4416.02
US Nationals 2015 Semi Final 21 18.13 18.59 19.3118.3318.1318.1319.98
Second round 24 14.97 19.18 14.9719.9216.8520.9120.77
First round 25 17.99 19.53 19.9918.1321.4817.9920.48
Peach State 2015 Final 1 16.21 17.47 18.2816.7319.5816.2117.40
Charlotte Open Fall 2014 Final 2 13.11 18.04 13.1120.4717.5523.2916.11
US Nationals 2014 Second round 41 17.41 21.14 17.4120.2324.8918.2925.58
First round 40 18.39 20.15 18.9120.3118.3921.2422.65
Harvard Fall 2013 Final 3 20.21 21.74 28.8420.4122.0622.7520.21
First round 5 20.77 21.42 20.9721.8720.7722.7121.43
World Rubik's Cube Championship 2013 Second round 74 20.73 22.78 22.6423.6923.6520.7322.06
First round 63 17.47 21.88 29.4024.1119.7121.8217.47
Raleigh Open 2013 Final 3 21.36 23.36 27.2124.9022.5221.3622.65
First round 1 21.18 22.97 22.5221.1822.8028.0523.59
Battle of Appalachia 2012 Final 4 24.08 29.33 24.0831.7727.9731.5028.53
First round 4 22.40 26.64 26.5222.4025.8427.5637.46
Megaminx
US Nationals 2014 First round 73 2:18.61 DNF 2:18.612:50.372:30.72DNSDNS
Square-1
Carolina Season Starter 2018 Final 5 15.51 22.73 28.8517.2124.3826.6015.51
CubingUSA Nationals 2017 First round 69 12.93 23.07 12.9323.6324.4822.3523.22
Unionville Open Spring 2017 Final 2 18.26 22.54 24.6018.2624.8920.4722.56
First round 3 15.79 23.04 18.8527.7924.2326.0315.79
Athens Summer Omega 2016 Second round 7 23.78 28.32 26.8026.3431.8123.7831.95
First round 8 25.16 32.46 30.4325.1629.7137.2345.36
US Nationals 2015 First round 20 22.99 30.34 34.0943.2827.5229.4022.99
US Nationals 2014 First round 29 18.52 34.19 38.6130.3518.5238.2633.96
World Rubik's Cube Championship 2013 First round 50 21.28 43.20 21.28DNF1:00.3434.3934.88