Justin Chang

Country WCA ID Gender Competitions Completed Solves
China 2018CHAN28 Male 15 414

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 1218 3669 10420 10.12 12.70 12132 4425 1538
2x2x2 Cube 1100 3196 11463 2.84 4.65 12090 3564 1233
4x4x4 Cube 815 2166 6008 41.76 47.64 5791 2116 794
5x5x5 Cube 1402 3724 11175 1:56.59 2:13.06 11374 3761 1401
3x3x3 One-Handed 1561 3922 10106 21.38 26.63 10477 4233 1700
Megaminx 975 2653 9340 2:10.19 2:29.78 8866 2552 922
Pyraminx 914 2369 8238 4.91 6.64 5272 1622 645
Skewb 1940 5310 19746 9.01 13.20 19194 5326 1961
Competition Round Place Single Average Solves
3x3x3 Cube
Wonderful Williamstown 2022 Second round 53 11.36 15.59 15.7916.4819.3411.3614.51
First round 40 12.15 13.90 13.7818.1812.5712.1515.35
Melbourne Mini Saturday 2022 Second round 13 11.67 12.89 13.3914.9311.6712.5612.72
First round 11 10.31 12.70 19.6813.5112.4712.1210.31
Altona Algorithms Attempt 2 2021 Second round 30 11.72 13.15 12.6413.9113.2211.7213.58
First round 39 11.85 14.19 12.7915.0919.8411.8514.68
Melbourne Summer 2021 Semi Final 39 12.14 13.66 12.1414.2714.3514.0812.64
Second round 39 10.12 12.96 13.9510.1212.4112.52DNF
First round 38 12.03 13.18 14.2213.2913.1212.0313.14
Melbourne Cube Days 2019 Semi Final 24 12.64 13.62 13.5019.2714.2213.1312.64
Second round 35 11.08 15.43 16.0611.0813.5522.0016.68
First round 31 13.18 14.47 14.6316.1013.2013.1815.57
Altona Algorithms 2019 First round 43 12.72 14.81 14.0512.7216.3314.3116.08
WCA World Championship 2019 First round 365 10.89 13.13 12.0117.6712.4010.8914.98
Koalafication Melbourne 2019 Second round 40 10.21 14.56 13.0610.2115.2715.3419.41
First round 49 12.55 15.42 16.1215.7912.5514.3618.89
Cube for Cambodia 2019 Second round 20 14.26 14.69 15.6214.2614.7014.2615.12
First round 20 12.73 14.56 15.70DNF14.0212.7313.97
Melbourne Summer 2019 Second round 33 13.61 14.95 16.4913.6116.2214.8513.79
First round 38 14.12 16.54 15.7117.7414.1217.1716.75
Melbourne Cube Days 2018 Second round 37 16.87 17.94 16.8717.7919.7517.5518.48
First round 34 14.70 15.88 17.2414.7015.2116.1716.26
St Kevin's College Spring 2018 First round 36 14.25 15.62 16.6114.2517.3614.8215.44
Australian Nationals 2018 Second round 81 14.90 16.91 15.4017.6617.6614.9019.67
First round 57 12.89 14.29 12.8913.8415.4715.5313.55
Beijing Open 2018 First round 263 24.16 27.90 24.8026.1832.7324.1634.15
2x2x2 Cube
Melbourne Mini Saturday 2022 First round 16 4.33 5.28 5.875.0110.044.334.95
Altona Algorithms Attempt 2 2021 Second round 46 3.30 5.20 4.417.763.305.525.67
First round 82 3.76 6.41 8.013.767.409.783.82
Melbourne Summer 2021 Second round 83 5.49 7.05 7.686.946.775.497.43
First round 47 4.36 5.30 4.396.874.366.415.10
Melbourne Cube Days 2019 First round 81 2.84 7.04 8.807.682.846.447.00
WCA World Championship 2019 First round 285 3.97 4.93 3.975.27DNF5.314.22
Koalafication Melbourne 2019 Second round 70 4.40 6.73 4.408.489.394.936.79
First round 38 3.23 4.65 3.235.134.574.256.87
Cube for Cambodia 2019 First round 28 4.42 6.02 5.525.644.4213.296.89
Melbourne Summer 2019 First round 52 4.10 6.43 6.485.607.224.1011.80
Melbourne Cube Days 2018 Second round 46 4.46 6.87 6.354.469.1010.955.16
First round 49 4.56 6.84 10.244.594.5612.915.68
Australian Nationals 2018 First round 117 4.27 7.85 10.754.278.268.596.71
4x4x4 Cube
Melbourne Mini Saturday 2022 Final 13 49.23 52.65 49.2352.9553.9251.091:00.99
Altona Algorithms Attempt 2 2021 First round 26 47.67 51.74 53.9350.4647.6750.8354.90
Melbourne Summer 2021 Second round 23 42.09 53.34 52.1042.091:02.2455.6252.30
First round 22 41.76 47.64 59.6155.4741.7642.1045.36
Melbourne Cube Days 2019 First round 52 50.18 DNF 51.91DNF55.97DNF50.18
Altona Algorithms 2019 First round 23 50.10 51.48 52.0050.1051.3851.0753.98
WCA World Championship 2019 First round 376 46.56 1:02.96 DNF1:19.6346.5651.2957.95
Koalafication Melbourne 2019 First round 43 55.52 1:01.89 55.521:01.271:08.5255.881:12.52
Cube for Cambodia 2019 Final 19 49.92 56.85 57.161:04.8549.9256.8756.53
Melbourne Summer 2019 First round 42 47.04 DNF 1:11.8547.04DNF54.12DNF
Melbourne Cube Days 2018 Second round 29 47.75 1:00.09 1:05.0757.741:06.3357.4547.75
First round 30 49.50 1:01.23 1:12.0958.8659.071:05.7649.50
St Kevin's College Spring 2018 Final 34 1:00.95 1:06.47 1:07.331:11.421:02.141:09.931:00.95
Australian Nationals 2018 First round 74 58.62 1:10.59 1:08.951:15.591:17.891:07.2358.62
5x5x5 Cube
Melbourne Summer 2021 First round 41 2:00.85 2:00.852:14.08
Melbourne Cube Days 2019 First round 30 1:56.59 2:01.241:56.59
Koalafication Melbourne 2019 First round 42 2:09.13 2:09.132:26.23
Cube for Cambodia 2019 Final 20 1:56.90 2:13.06 2:07.911:56.902:15.392:15.892:38.18
Melbourne Summer 2019 First round 32 2:09.91 2:09.912:22.10
Melbourne Cube Days 2018 First round 34 2:06.59 2:24.80 2:17.912:32.172:06.592:27.662:28.83
3x3x3 One-Handed
Melbourne Mini Saturday 2022 First round 18 21.88 32.29 21.8859.4533.9330.2532.70
Altona Algorithms Attempt 2 2021 First round 32 24.36 29.69 24.3629.8437.4028.7730.45
Melbourne Summer 2021 First round 32 22.13 26.63 24.8022.1327.5928.5927.50
Melbourne Cube Days 2019 Second round 33 21.67 32.12 26.6642.7538.1631.5321.67
First round 34 22.87 31.97 28.9734.8137.8022.8732.13
Altona Algorithms 2019 First round 37 24.22 27.91 24.6932.6229.8429.2024.22
WCA World Championship 2019 First round 303 21.40 31.15 40.7421.4029.1039.8924.46
Cube for Cambodia 2019 First round 20 26.63 29.28 26.6327.6528.1435.1432.05
Melbourne Summer 2019 Second round 32 22.46 31.22 22.4628.1527.0638.46DNF
First round 28 21.38 27.90 24.0531.3421.3828.3137.60
Melbourne Cube Days 2018 First round 42 32.19 47.18 32.1945.8643.611:01.2252.06
Megaminx
Koalafication Melbourne 2019 Final 37 2:30.25 3:14.522:30.25
Cube for Cambodia 2019 Final 16 2:17.17 2:34.182:17.17
Melbourne Summer 2019 First round 28 2:10.19 2:10.192:37.09
St Kevin's College Spring 2018 Final 26 2:19.90 2:19.902:43.96
Australian Nationals 2018 Final 48 2:17.21 2:29.78 2:26.802:43.082:39.542:23.002:17.21
Pyraminx
Rubik's WCA Oceanic Championship 2022 First round 119 5.43 8.37 10.3510.345.437.517.26
Wonderful Williamstown 2022 First round 20 5.68 7.39 5.6812.228.846.436.91
Altona Algorithms Attempt 2 2021 First round 30 5.61 8.43 10.365.616.599.439.27
Melbourne Summer 2021 First round 20 6.14 7.72 8.076.147.5416.227.55
Altona Algorithms 2019 First round 40 5.73 9.00 11.189.465.739.458.10
WCA World Championship 2019 First round 182 5.99 7.60 5.9911.627.858.876.07
Koalafication Melbourne 2019 First round 21 5.33 8.10 9.698.835.338.117.36
Melbourne Summer 2019 Second round 15 4.91 6.64 7.476.2413.326.214.91
First round 31 6.61 9.81 8.6112.0612.388.756.61
St Kevin's College Spring 2018 First round 32 7.85 10.45 7.858.1911.0512.1117.83
Australian Nationals 2018 First round 78 8.90 12.06 11.888.9010.0514.7814.25
Skewb
Altona Algorithms 2019 First round 67 9.01 13.20 9.0110.1612.2417.1918.59
WCA World Championship 2019 First round 336 16.46 16.6916.46
Melbourne Summer 2019 First round 71 23.78 27.08 23.7828.8526.3526.0531.10
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