Erik Cheng (鄭聿軒)

Country WCA ID Gender Competitions Completed Solves
United States 2012CHEN23 Male 26 862

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 725 942 3582 8.86 10.18 2266 612 480
2x2x2 Cube 1213 1691 6356 2.56 4.27 6400 1790 1291
4x4x4 Cube 349 474 2034 36.16 41.86 2033 466 348
5x5x5 Cube 223 286 1197 1:08.87 1:16.85 1262 298 226
6x6x6 Cube 563 795 3036 3:12.02 4:37.65 4816 1309 913
7x7x7 Cube 966 1365 5169 7:14.96
3x3x3 Fewest Moves 317 401 1959 36
3x3x3 One-Handed 806 1162 5261 18.54 22.48 4873 1045 720
Clock 424 557 2449 13.93 19.17 2903 664 510
Megaminx 584 912 3775 1:31.58 1:45.00 3980 970 625
Pyraminx 2174 2995 12164 6.38 10.74 16288 4055 2964
Skewb 5209 6866 23123 13.09 15.58 18762 5524 4174
Square-1 1383 1806 5958 33.77 55.49 6972 2126 1601
Competition Round Place Single Average Solves
3x3x3 Cube
CubingUSA Southern Championship 2019 Second round 23 8.86 11.80 18.8511.2212.808.8611.38
First round 15 10.16 10.77 11.5410.4810.3010.1612.52
Katy Cubing 2019 Final 12 9.55 12.04 9.5512.2611.4313.0812.43
Second round 9 9.64 10.58 10.9812.8110.2210.559.64
First round 5 9.62 10.39 10.589.6211.6510.2810.32
Berkeley Winter 2018 Second round 16 9.53 11.05 9.5311.6111.949.7811.77
First round 18 10.43 11.47 12.4710.4311.3710.5713.71
Berkeley Fall 2017 Second round 25 9.90 11.58 10.6118.979.9013.5510.58
First round 26 10.13 12.00 11.4114.7710.1311.7912.81
Berkeley Summer 2017 Second round 21 10.18 11.61 10.8610.1813.8412.1811.79
First round 9 9.16 10.18 9.1610.8210.2112.129.50
SacCubing II 2017 Final 12 10.36 12.37 15.2212.3213.4510.3611.33
Second round 11 11.54 12.02 12.4111.5411.6812.7811.97
First round 21 10.29 13.45 12.1710.2914.0114.1816.83
6.25 Bay Area 2017 First round 29 10.89 13.39 14.9312.3812.87DNF10.89
Berkeley Spring 2017 Second round 18 11.27 12.41 11.8211.2714.6412.4612.95
First round 16 10.64 11.57 14.7611.9511.9710.7910.64
Berkeley Winter 2017 Second round 14 10.91 11.74 15.4112.0310.9111.2711.93
First round 15 10.48 11.77 11.4812.0812.5910.4811.75
Berkeley Fall 2016 Second round 24 10.07 15.30 10.0712.2422.2611.4028.57
First round 17 9.78 12.16 10.5813.6313.299.7812.60
Berkeley Summer 2016 Second round 16 10.99 11.83 11.2812.1812.5112.0310.99
First round 24 10.39 12.79 11.2710.3914.7014.8912.40
Berkeley Spring 2016 Second round 10 10.81 11.51 11.1810.8111.0112.3414.19
First round 14 10.26 11.64 12.7210.2611.4012.5011.01
Berkeley Winter 2016 First round 159 13.58 DNF DNF13.5816.38DNF17.11
Berkeley Fall 2015 Second round 13 11.96 12.87 12.9014.5813.1812.5211.96
First round 13 11.19 12.15 11.1914.1511.8112.3312.30
Berkeley Summer 2015 Second round 15 11.19 13.28 13.9714.2817.8111.5811.19
First round 11 11.09 11.97 12.0511.0911.3612.5016.02
BASC 7 2015 First round 14 10.66 12.64 12.0911.5715.1210.6614.25
BASC 6 2015 Final 15 11.62 14.16 16.7013.7213.3415.4111.62
First round 15 11.75 13.48 15.1312.7014.8211.7512.93
Berkeley Spring 2015 Second round 16 9.58 13.59 9.5814.5014.3814.2512.13
First round 15 11.94 12.80 13.7812.0912.8611.9413.46
BASC 5: Everything But 2x2 2015 Second round 19 13.24 14.18 14.5014.6113.7514.3013.24
First round 23 12.50 14.93 16.9113.9814.1716.6312.50
Berkeley Winter 2015 Second round 21 12.75 15.01 12.7513.18DNF17.5514.31
First round 17 10.61 13.64 11.2814.8414.8116.5310.61
Berkeley Fall 2014 Final 8 9.33 12.41 11.3612.2213.669.3317.41
Second round 10 12.80 13.83 13.8614.2712.8013.3614.97
First round 12 12.61 14.32 18.8015.5014.1612.6113.31
BASC 4: Día de los Cubos 2014 First round 29 12.04 15.87 15.1912.0418.2717.0815.35
Mingdao Cube Carnival 2014 Second round 15 11.25 13.67 16.4711.2514.4512.9013.67
First round 22 12.54 16.71 18.8615.1216.1612.54DNF
Cubetcha 2013 Final 14 14.81 16.07 15.6815.9716.5616.6314.81
Second round 11 11.94 14.29 14.1915.6111.9413.0815.97
First round 15 14.05 15.68 17.5315.3314.0514.1918.90
Cubetcha 2012 Second round 21 18.30 21.95 23.7224.2122.3119.8318.30
First round 16 18.40 20.39 27.3021.8318.4020.4318.91
United States National Championships 2012 First round 192 19.80 25.97 26.9325.2229.3125.7719.80
2x2x2 Cube
CubingUSA Southern Championship 2019 First round 23 3.85 4.27 3.984.584.484.343.85
Berkeley Winter 2018 First round 31 3.58 4.96 5.674.537.224.673.58
Berkeley Fall 2017 First round 80 4.68 8.36 6.2112.094.686.7726.38
Berkeley Summer 2017 First round 26 2.92 5.04 5.795.224.742.925.15
6.25 Bay Area 2017 Final 28 5.01 5.01
Berkeley Spring 2017 First round 28 4.64 5.28 5.586.154.645.045.22
Berkeley Fall 2016 First round 23 4.73 5.35 5.174.735.386.695.50
Berkeley Summer 2016 First round 40 4.18 5.45 8.435.225.144.186.00
Berkeley Winter 2016 Final 16 2.91 5.09 5.684.755.642.914.89
Berkeley Summer 2015 Final 8 4.08 7.26 12.96DNF4.724.094.08
First round 8 4.27 4.73 4.275.434.327.684.45
Berkeley Spring 2015 Final 11 3.08 5.14 5.583.087.665.444.40
Berkeley Winter 2015 Final 15 2.56 5.14 5.662.564.845.255.34
First round 13 4.33 4.93 4.884.525.405.614.33
Berkeley Fall 2014 Final 9 3.40 4.72 6.213.553.405.664.94
First round 6 2.86 4.47 4.664.972.863.785.40
Mingdao Cube Carnival 2014 Final 4 2.80 4.71 2.804.405.384.355.84
Second round 4 3.92 5.16 4.985.664.836.693.92
First round 6 2.61 5.13 4.446.372.614.597.94
Cubetcha 2013 Second round 11 4.16 5.32 6.334.8615.214.774.16
First round 16 4.05 5.54 5.945.715.005.904.05
Cubetcha 2012 Final 7 6.09 7.41 6.1910.258.806.097.25
Second round 8 3.38 5.94 3.385.13DNF8.414.28
First round 12 6.15 6.83 8.217.776.196.156.53
United States National Championships 2012 First round 172 9.34 16.50 23.859.3412.0613.5925.79
4x4x4 Cube
CubingUSA Southern Championship 2019 First round 17 40.52 44.37 DNF40.5244.7245.9842.40
Katy Cubing 2019 Final 9 37.86 44.33 37.8642.8644.2745.8649.18
First round 6 36.16 41.86 41.5146.1250.4136.1637.94
SacCubing II 2017 Final 11 46.94 50.06 55.2047.3646.9450.7152.12
First round 12 43.24 47.56 43.2451.7647.5949.1145.97
Berkeley Spring 2017 Final 13 45.53 51.31 54.5851.8955.9147.4745.53
Berkeley Winter 2017 Final 13 43.16 51.77 59.8243.1653.7349.0852.49
Berkeley Fall 2016 Final 16 49.70 55.26 1:01.2050.7849.7055.7059.30
Berkeley Summer 2016 Final 10 45.53 46.82 47.271:03.1345.6745.5347.52
Berkeley Spring 2016 Final 16 47.80 52.16 53.0058.6853.1550.3247.80
Berkeley Fall 2015 Final 8 43.58 48.99 50.8645.3643.5850.7552.47
Berkeley Summer 2015 Final 13 48.74 53.84 59.5352.7248.7449.281:07.72
BASC 7 2015 Final 16 45.27 54.69 52.1856.8755.02DNF45.27
BASC 6 2015 First round 14 51.20 56.48 58.1953.2151.2058.7758.05
Berkeley Spring 2015 Final 7 47.08 48.91 47.0848.2749.2249.251:08.75
BASC 5: Everything But 2x2 2015 First round 18 45.91 56.34 1:01.5957.6445.9157.2254.15
Berkeley Winter 2015 Final 13 50.81 57.89 53.651:16.0050.811:04.0655.96
Berkeley Fall 2014 Final 7 45.56 51.58 45.561:17.5948.1848.0058.56
First round 10 48.21 57.06 DNF55.1654.901:01.1348.21
BASC 4: Día de los Cubos 2014 Final 9 44.20 50.98 50.8247.8354.281:02.0144.20
Mingdao Cube Carnival 2014 First round 10 48.48 54.47 57.9649.8358.1355.6248.48
Cubetcha 2013 Final 9 54.52 1:02.11 1:06.8657.631:02.221:06.4754.52
Cubetcha 2012 Final 14 1:16.84 1:53.15 1:16.841:45.811:59.461:54.19DNF
United States National Championships 2012 First round 149 2:03.79 2:22.412:03.79
5x5x5 Cube
CubingUSA Southern Championship 2019 First round 12 1:13.16 1:19.47 1:15.891:13.161:27.321:25.151:17.38
Katy Cubing 2019 Final 6 1:12.69 1:22.66 1:28.811:22.041:23.631:12.691:22.31
First round 5 1:08.87 1:16.85 1:08.871:47.831:21.001:10.141:19.40
Berkeley Fall 2017 Final 15 1:36.14 1:42.81 1:36.141:42.101:38.771:47.561:50.19
SacCubing II 2017 Final 12 1:36.39 1:39.89 1:42.581:42.421:38.771:38.491:36.39
6.25 Bay Area 2017 Final 15 1:28.63 1:37.23 1:34.241:40.771:39.081:38.381:28.63
Berkeley Fall 2016 Final 14 1:43.80 1:49.49 2:02.951:50.061:49.311:43.801:49.11
Berkeley Spring 2016 Final 14 1:39.45 1:54.14 2:00.691:48.781:56.881:39.451:56.75
Berkeley Summer 2015 Final 9 1:34.31 1:44.98 1:44.711:46.811:43.431:34.311:59.25
BASC 7 2015 Final 11 1:31.85 1:47.18 2:03.571:57.271:43.351:40.911:31.85
Berkeley Spring 2015 Final 4 1:31.34 1:37.07 1:38.531:40.111:43.721:31.341:32.56
BASC 5: Everything But 2x2 2015 Final 14 1:38.59 1:47.01 1:38.591:47.731:40.181:54.891:53.12
Berkeley Fall 2014 Final 9 1:44.06 1:54.05 DNF1:44.061:45.091:55.632:01.43
BASC 4: Día de los Cubos 2014 Final 10 1:37.98 1:54.28 1:58.851:37.981:58.041:45.942:02.28
Mingdao Cube Carnival 2014 First round 10 1:47.78 1:53.38 1:47.782:08.401:54.781:56.981:48.39
Cubetcha 2013 Final 14 2:13.88 2:21.45 2:31.462:29.132:17.652:13.882:17.58
6x6x6 Cube
CubingUSA Southern Championship 2019 First round 22 3:12.02 DNF 3:45.45DNF3:12.02
Berkeley Winter 2018 Final 24 4:20.23 4:48.39 4:20.235:14.114:50.84
SacCubing II 2017 Final 16 4:38.01 4:38.01
6.25 Bay Area 2017 First round 24 5:15.30 5:15.30
Berkeley Spring 2016 Final 14 4:15.82 4:37.65 4:15.824:59.524:37.61
Berkeley Fall 2015 Final 8 4:33.59 4:33.59
BASC 5: Everything But 2x2 2015 Final 11 DNF DNF
Berkeley Fall 2014 Final 5 3:52.03 DNF 3:52.034:23.06DNF
7x7x7 Cube
Katy Cubing 2019 Final 16 DNF DNF
Berkeley Winter 2018 Final 18 7:14.96 7:14.96
SacCubing II 2017 Final 15 7:25.60 7:25.60
Berkeley Fall 2015 Final 8 8:13.53 8:13.53
Cubetcha 2013 Final 15 8:36.18 8:36.18
3x3x3 Fewest Moves
CubingUSA Southern Championship 2019 Final 6 36 36
BASC 5: Everything But 2x2 2015 Final 23 DNF DNF DNFDNFDNF
3x3x3 One-Handed
CubingUSA Southern Championship 2019 First round 38 24.86 28.51 26.4124.8629.0032.2830.12
Berkeley Winter 2018 First round 43 26.47 30.03 26.5626.4728.0139.7735.53
Berkeley Fall 2017 First round 33 23.26 25.20 26.4325.8824.0523.2625.66
Berkeley Summer 2017 First round 27 19.17 25.15 27.9030.2325.0619.1722.49
Berkeley Spring 2017 First round 18 21.71 24.89 25.7425.4121.7130.8823.52
Berkeley Winter 2017 First round 29 25.31 27.57 29.5825.3132.3526.7126.43
Berkeley Fall 2016 First round 18 18.54 22.48 20.5123.3923.5418.5428.74
Berkeley Summer 2016 First round 22 21.28 24.54 23.7732.0025.3724.4921.28
Berkeley Spring 2016 Final 20 23.64 26.89 24.5823.6428.0130.5228.09
Berkeley Fall 2015 Final 14 23.68 25.51 25.0629.0223.6824.1327.33
Berkeley Summer 2015 First round 14 21.77 24.40 25.4726.9021.7723.0824.65
BASC 7 2015 Final 13 23.34 24.29 25.3726.5623.6423.3423.87
BASC 6 2015 First round 13 25.26 27.08 26.2429.3630.5525.2625.63
Berkeley Spring 2015 First round 15 21.27 26.66 24.9426.3428.6921.2731.47
BASC 5: Everything But 2x2 2015 First round 17 24.21 26.84 30.3826.8124.2125.6328.07
Berkeley Winter 2015 First round 14 21.27 26.99 31.5626.9030.8121.2723.25
Berkeley Fall 2014 First round 13 20.58 27.09 27.1120.5840.1625.5028.66
BASC 4: Día de los Cubos 2014 First round 14 22.52 25.18 25.6029.3624.3622.5225.58
Mingdao Cube Carnival 2014 Second round 14 24.60 28.47 27.6728.4029.3324.6033.44
First round 14 21.49 28.79 24.9332.1229.3237.0521.49
Cubetcha 2013 Final 9 25.15 30.64 29.6325.1528.8340.5833.46
Cubetcha 2012 Final 10 31.59 39.75 39.5940.4740.5031.5939.18
United States National Championships 2012 First round 137 39.86 53.70 48.131:02.621:08.0639.8650.36
Clock
CubingUSA Southern Championship 2019 Final 19 28.88 DNF28.88
Berkeley Spring 2017 Final 7 21.72 21.72DNF
Berkeley Summer 2015 Final 13 17.64 DNF 21.98DNF20.9117.64DNF
BASC 6 2015 Final 7 15.91 DNF DNF16.73DNF17.9115.91
BASC 5: Everything But 2x2 2015 Final 6 13.93 19.17 18.6937.1618.3913.9320.43
Megaminx
CubingUSA Southern Championship 2019 First round 26 1:51.33 1:59.40 2:16.162:11.761:53.931:51.331:52.50
Katy Cubing 2019 First round 8 1:31.58 1:45.00 1:31.581:56.101:50.471:37.431:47.11
Berkeley Fall 2017 Final 12 1:33.55 1:52.96 2:08.001:47.431:54.651:33.551:56.81
Berkeley Summer 2017 Final 18 1:44.57 1:51.41 1:44.571:46.281:47.102:03.542:00.85
SacCubing II 2017 Final 15 2:23.81 2:23.81
6.25 Bay Area 2017 Final 13 1:35.97 1:46.94 2:00.681:42.631:35.971:53.901:44.28
Berkeley Fall 2016 Final 13 1:47.05 1:56.96 1:47.051:59.931:53.541:58.791:58.54
Berkeley Spring 2016 Final 9 1:51.89 1:56.02 1:59.402:31.471:55.831:52.841:51.89
Berkeley Winter 2016 Final 8 2:03.04 2:03.042:13.46
BASC 5: Everything But 2x2 2015 Final 9 1:52.75 2:02.87 2:21.272:08.572:01.971:58.081:52.75
Mingdao Cube Carnival 2014 Final 4 1:54.31 2:11.63 2:03.032:13.342:18.522:23.301:54.31
First round 2 1:45.26 1:56.64 1:49.982:05.981:54.151:45.262:05.80
Pyraminx
CubingUSA Southern Championship 2019 First round 102 10.41 20.31 12.1537.7510.4124.3124.46
Berkeley Winter 2018 Final 69 10.21 13.91 26.6310.2115.9014.9110.91
SacCubing II 2017 Final 40 9.49 14.55 20.5417.6110.7615.279.49
Berkeley Summer 2016 Final 49 11.54 14.76 14.0513.6917.5216.5311.54
Berkeley Fall 2015 Final 24 8.97 11.80 11.3812.0813.218.9711.94
BASC 7 2015 Final 33 8.55 13.82 9.2012.908.55DNF19.36
BASC 5: Everything But 2x2 2015 First round 24 10.41 11.12 13.4810.4812.2410.4110.64
Berkeley Winter 2015 First round 18 6.38 11.73 13.9112.936.389.7712.50
Mingdao Cube Carnival 2014 Final 9 10.49 11.86 12.3611.0112.2115.0510.49
First round 9 9.09 10.74 11.7711.279.0916.429.18
United States National Championships 2012 First round 67 13.06 15.13 14.2216.5914.5913.0619.52
Skewb
Berkeley Winter 2018 Final 70 19.77 20.3519.77
Berkeley Summer 2017 First round 46 19.57 19.57DNF
Berkeley Winter 2017 Final 47 24.44 53.2024.44
Berkeley Winter 2016 Final 41 20.34 20.3422.34
Berkeley Fall 2015 Final 22 15.83 20.65 15.8318.3626.2520.5323.06
BASC 6 2015 First round 18 13.09 15.58 19.3214.1413.2713.0928.70
BASC 5: Everything But 2x2 2015 First round 34 16.56 21.89 19.5525.1423.4022.7216.56
Berkeley Winter 2015 Final 23 17.56 21.21 24.5225.3120.0917.5619.03
Square-1
CubingUSA Southern Championship 2019 First round 34 43.63 1:07.85 43.631:14.851:07.751:34.211:00.95
Berkeley Summer 2016 Final 20 1:21.11 DNF1:21.11
Berkeley Summer 2015 Final 10 50.50 DNF 1:10.1950.50DNFDNFDNF
BASC 5: Everything But 2x2 2015 Final 12 56.63 56.631:00.11
BASC 4: Día de los Cubos 2014 Final 12 1:09.26 1:09.26DNF
Cubetcha 2013 Final 9 33.77 55.49 1:05.6152.5633.771:08.8048.31
Magic
United States National Championships 2012 First round 37 1.75 2.16 2.881.861.753.831.75