Erik Cheng (鄭聿軒)

Missing avatar thumb
Country WCA ID Gender Competitions Completed Solves
United States 2012CHEN23 Male 21 687

Current Personal Records

Event NR CR WR Single Average WR CR NR
Rubik's Cube 392 505 1961 9.33 11.51 2021 511 391
2x2x2 Cube 608 812 3020 2.56 4.47 3548 1017 739
4x4x4 Cube 298 406 1961 43.16 46.82 1417 287 212
5x5x5 Cube 239 314 1577 1:28.63 1:37.07 1526 302 230
6x6x6 Cube 343 465 1940 3:52.03 4:37.65 2239 547 388
7x7x7 Cube 432 599 2568 7:25.60
3x3x3 One-Handed 390 541 2563 18.54 22.48 2328 479 345
Megaminx 227 351 1607 1:35.97 1:46.94 1582 356 232
Pyraminx 920 1352 5513 6.38 10.74 7483 1892 1308
Rubik's Clock 188 235 1106 13.93 19.17 1337 295 245
Skewb 2089 2883 9720 13.09 15.58 7795 2268 1649
Square-1 547 716 2660 33.77 55.49 3157 862 638
Competition Round Place Single Average Solves
Rubik's Cube
SacCubing II 2017 Final 12 10.36 12.37 15.2212.3213.4510.3611.33
Second 11 11.54 12.02 12.4111.5411.6812.7811.97
First 21 10.29 13.45 12.1710.2914.0114.1816.83
6.25 Bay Area 2017 First 29 10.89 13.39 14.9312.3812.87DNF10.89
Berkeley Spring 2017 Second 18 11.27 12.41 11.8211.2714.6412.4612.95
First 16 10.64 11.57 14.7611.9511.9710.7910.64
Berkeley Winter 2017 Second 14 10.91 11.74 15.4112.0310.9111.2711.93
First 15 10.48 11.77 11.4812.0812.5910.4811.75
Berkeley Fall 2016 Second 24 10.07 15.30 10.0712.2422.2611.4028.57
First 17 9.78 12.16 10.5813.6313.299.7812.60
Berkeley Summer 2016 Second 16 10.99 11.83 11.2812.1812.5112.0310.99
First 24 10.39 12.79 11.2710.3914.7014.8912.40
Berkeley Spring 2016 Second 10 10.81 11.51 11.1810.8111.0112.3414.19
First 14 10.26 11.64 12.7210.2611.4012.5011.01
Berkeley Winter 2016 First 159 13.58 DNF DNF13.5816.38DNF17.11
Berkeley Fall 2015 Second 13 11.96 12.87 12.9014.5813.1812.5211.96
First 13 11.19 12.15 11.1914.1511.8112.3312.30
Berkeley Summer 2015 Second 15 11.19 13.28 13.9714.2817.8111.5811.19
First 11 11.09 11.97 12.0511.0911.3612.5016.02
BASC 7 2015 First 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 15 11.75 13.48 15.1312.7014.8211.7512.93
Berkeley Spring 2015 Second 16 9.58 13.59 9.5814.5014.3814.2512.13
First 15 11.94 12.80 13.7812.0912.8611.9413.46
BASC 5: Everything But 2x2 2015 Second 19 13.24 14.18 14.5014.6113.7514.3013.24
First 23 12.50 14.93 16.9113.9814.1716.6312.50
Berkeley Winter 2015 Second 21 12.75 15.01 12.7513.18DNF17.5514.31
First 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 10 12.80 13.83 13.8614.2712.8013.3614.97
First 12 12.61 14.32 18.8015.5014.1612.6113.31
BASC 4: Día de los Cubos 2014 First 29 12.04 15.87 15.1912.0418.2717.0815.35
Mingdao Cube Carnival 2014 Second 15 11.25 13.67 16.4711.2514.4512.9013.67
Combined First 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 11 11.94 14.29 14.1915.6111.9413.0815.97
First 15 14.05 15.68 17.5315.3314.0514.1918.90
Cubetcha 2012 Second 21 18.30 21.95 23.7224.2122.3119.8318.30
First 16 18.40 20.39 27.3021.8318.4020.4318.91
United States National Championships 2012 First 192 19.80 25.97 26.9325.2229.3125.7719.80
2x2x2 Cube
6.25 Bay Area 2017 Final 28 5.01 5.01
Berkeley Spring 2017 Combined First 28 4.64 5.28 5.586.154.645.045.22
Berkeley Fall 2016 Combined First 23 4.73 5.35 5.174.735.386.695.50
Berkeley Summer 2016 Combined First 40 4.18 5.45 8.435.225.144.186.00
Berkeley Winter 2016 Combined 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 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 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 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 4 3.92 5.16 4.985.664.836.693.92
Combined First 6 2.61 5.13 4.446.372.614.597.94
Cubetcha 2013 Second 11 4.16 5.32 6.334.8615.214.774.16
First 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 8 3.38 5.94 3.385.13DNF8.414.28
First 12 6.15 6.83 8.217.776.196.156.53
United States National Championships 2012 First 172 9.34 16.50 23.859.3412.0613.5925.79
4x4x4 Cube
SacCubing II 2017 Final 11 46.94 50.06 55.2047.3646.9450.7152.12
Combined First 12 43.24 47.56 43.2451.7647.5949.1145.97
Berkeley Spring 2017 Combined Final 13 45.53 51.31 54.5851.8955.9147.4745.53
Berkeley Winter 2017 Combined Final 13 43.16 51.77 59.8243.1653.7349.0852.49
Berkeley Fall 2016 Combined Final 16 49.70 55.26 1:01.2050.7849.7055.7059.30
Berkeley Summer 2016 Combined Final 10 45.53 46.82 47.271:03.1345.6745.5347.52
Berkeley Spring 2016 Combined Final 16 47.80 52.16 53.0058.6853.1550.3247.80
Berkeley Fall 2015 Combined Final 8 43.58 48.99 50.8645.3643.5850.7552.47
Berkeley Summer 2015 Combined Final 13 48.74 53.84 59.5352.7248.7449.281:07.72
BASC 7 2015 Combined Final 16 45.27 54.69 52.1856.8755.02DNF45.27
BASC 6 2015 Combined First 14 51.20 56.48 58.1953.2151.2058.7758.05
Berkeley Spring 2015 Combined Final 7 47.08 48.91 47.0848.2749.2249.251:08.75
BASC 5: Everything But 2x2 2015 Combined First 18 45.91 56.34 1:01.5957.6445.9157.2254.15
Berkeley Winter 2015 Combined 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
Combined First 10 48.21 57.06 DNF55.1654.901:01.1348.21
BASC 4: Día de los Cubos 2014 Combined Final 9 44.20 50.98 50.8247.8354.281:02.0144.20
Mingdao Cube Carnival 2014 Combined First 10 48.48 54.47 57.9649.8358.1355.6248.48
Cubetcha 2013 Combined Final 9 54.52 1:02.11 1:06.8657.631:02.221:06.4754.52
Cubetcha 2012 Combined Final 14 1:16.84 1:53.15 1:16.841:45.811:59.461:54.19DNF
United States National Championships 2012 Combined First 149 2:03.79 2:22.412:03.79
5x5x5 Cube
SacCubing II 2017 Combined Final 12 1:36.39 1:39.89 1:42.581:42.421:38.771:38.491:36.39
6.25 Bay Area 2017 Combined Final 15 1:28.63 1:37.23 1:34.241:40.771:39.081:38.381:28.63
Berkeley Fall 2016 Combined Final 14 1:43.80 1:49.49 2:02.951:50.061:49.311:43.801:49.11
Berkeley Spring 2016 Combined Final 14 1:39.45 1:54.14 2:00.691:48.781:56.881:39.451:56.75
Berkeley Summer 2015 Combined Final 9 1:34.31 1:44.98 1:44.711:46.811:43.431:34.311:59.25
BASC 7 2015 Combined Final 11 1:31.85 1:47.18 2:03.571:57.271:43.351:40.911:31.85
Berkeley Spring 2015 Combined 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 Combined Final 14 1:38.59 1:47.01 1:38.591:47.731:40.181:54.891:53.12
Berkeley Fall 2014 Combined Final 9 1:44.06 1:54.05 DNF1:44.061:45.091:55.632:01.43
BASC 4: Día de los Cubos 2014 Combined Final 10 1:37.98 1:54.28 1:58.851:37.981:58.041:45.942:02.28
Mingdao Cube Carnival 2014 Combined First 10 1:47.78 1:53.38 1:47.782:08.401:54.781:56.981:48.39
Cubetcha 2013 Combined Final 14 2:13.88 2:21.45 2:31.462:29.132:17.652:13.882:17.58
6x6x6 Cube
SacCubing II 2017 Combined Final 16 4:38.01 4:38.01
6.25 Bay Area 2017 Combined First 24 5:15.30 5:15.30
Berkeley Spring 2016 Combined Final 14 4:15.82 4:37.65 4:15.824:59.524:37.61
Berkeley Fall 2015 Combined Final 8 4:33.59 4:33.59
BASC 5: Everything But 2x2 2015 Combined Final 11 DNF DNF
Berkeley Fall 2014 Combined Final 5 3:52.03 DNF 3:52.034:23.06DNF
7x7x7 Cube
SacCubing II 2017 Combined Final 15 7:25.60 7:25.60
Berkeley Fall 2015 Combined Final 8 8:13.53 8:13.53
Cubetcha 2013 Combined Final 15 8:36.18 8:36.18
3x3x3 Fewest Moves
BASC 5: Everything But 2x2 2015 Final 23 DNF DNF DNFDNFDNF
3x3x3 One-Handed
Berkeley Spring 2017 Combined First 18 21.71 24.89 25.7425.4121.7130.8823.52
Berkeley Winter 2017 Combined First 29 25.31 27.57 29.5825.3132.3526.7126.43
Berkeley Fall 2016 Combined First 18 18.54 22.48 20.5123.3923.5418.5428.74
Berkeley Summer 2016 Combined First 22 21.28 24.54 23.7732.0025.3724.4921.28
Berkeley Spring 2016 Combined Final 20 23.64 26.89 24.5823.6428.0130.5228.09
Berkeley Fall 2015 Combined Final 14 23.68 25.51 25.0629.0223.6824.1327.33
Berkeley Summer 2015 First 14 21.77 24.40 25.4726.9021.7723.0824.65
BASC 7 2015 Combined Final 13 23.34 24.29 25.3726.5623.6423.3423.87
BASC 6 2015 Combined First 13 25.26 27.08 26.2429.3630.5525.2625.63
Berkeley Spring 2015 Combined First 15 21.27 26.66 24.9426.3428.6921.2731.47
BASC 5: Everything But 2x2 2015 Combined First 17 24.21 26.84 30.3826.8124.2125.6328.07
Berkeley Winter 2015 First 14 21.27 26.99 31.5626.9030.8121.2723.25
Berkeley Fall 2014 Combined First 13 20.58 27.09 27.1120.5840.1625.5028.66
BASC 4: Día de los Cubos 2014 Combined First 14 22.52 25.18 25.6029.3624.3622.5225.58
Mingdao Cube Carnival 2014 Second 14 24.60 28.47 27.6728.4029.3324.6033.44
Combined First 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 Combined Final 10 31.59 39.75 39.5940.4740.5031.5939.18
United States National Championships 2012 Combined First 137 39.86 53.70 48.131:02.621:08.0639.8650.36
Megaminx
SacCubing II 2017 Final 15 2:23.81 2:23.81
6.25 Bay Area 2017 Combined Final 13 1:35.97 1:46.94 2:00.681:42.631:35.971:53.901:44.28
Berkeley Fall 2016 Combined Final 13 1:47.05 1:56.96 1:47.051:59.931:53.541:58.791:58.54
Berkeley Spring 2016 Combined Final 9 1:51.89 1:56.02 1:59.402:31.471:55.831:52.841:51.89
Berkeley Winter 2016 Combined Final 8 2:03.04 2:03.042:13.46
BASC 5: Everything But 2x2 2015 Combined 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
Combined First 2 1:45.26 1:56.64 1:49.982:05.981:54.151:45.262:05.80
Pyraminx
SacCubing II 2017 Combined Final 40 9.49 14.55 20.5417.6110.7615.279.49
Berkeley Summer 2016 Combined Final 49 11.54 14.76 14.0513.6917.5216.5311.54
Berkeley Fall 2015 Combined Final 24 8.97 11.80 11.3812.0813.218.9711.94
BASC 7 2015 Combined Final 33 8.55 13.82 9.2012.908.55DNF19.36
BASC 5: Everything But 2x2 2015 Combined First 24 10.41 11.12 13.4810.4812.2410.4110.64
Berkeley Winter 2015 First 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 9 9.09 10.74 11.7711.279.0916.429.18
United States National Championships 2012 First 67 13.06 15.13 14.2216.5914.5913.0619.52
Rubik's Clock
Berkeley Spring 2017 Combined 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 Combined Final 6 13.93 19.17 18.6937.1618.3913.9320.43
Skewb
Berkeley Winter 2017 Combined Final 47 24.44 53.2024.44
Berkeley Winter 2016 Combined 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 Combined First 18 13.09 15.58 19.3214.1413.2713.0928.70
BASC 5: Everything But 2x2 2015 Combined First 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
Berkeley Summer 2016 Combined Final 20 1:21.11 DNF1:21.11
Berkeley Summer 2015 Combined Final 10 50.50 DNF 1:10.1950.50DNFDNFDNF
BASC 5: Everything But 2x2 2015 Combined Final 12 56.63 56.631:00.11
BASC 4: Día de los Cubos 2014 Combined Final 12 1:09.26 1:09.26DNF
Cubetcha 2013 Combined Final 9 33.77 55.49 1:05.6152.5633.771:08.8048.31
Rubik's Magic
United States National Championships 2012 First 37 1.75 2.16 2.881.861.753.831.75