Jaemin Chang (장재민)

Country WCA ID Gender Competitions Completed Solves
Republic of Korea 2016CHAN09 Male 27 906

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 7 42 167 5.88 7.29 88 24 5
2x2x2 Cube 1 30 228 1.01 1.63 49 9 1
4x4x4 Cube 9 44 123 25.95 30.37 110 39 8
5x5x5 Cube 14 99 275 56.23 1:02.91 269 101 13
6x6x6 Cube 12 97 270 1:55.40 2:03.18 264 102 12
7x7x7 Cube 32 637 1741 4:10.41 4:10.80 1382 511 27
3x3x3 Blindfolded 34 443 1180 1:28.84
3x3x3 Fewest Moves 12 190 785 30 33.67 482 128 8
3x3x3 One-Handed 6 95 292 10.79 12.56 107 36 6
Clock 35 624 1799 12.05 13.56 1498 514 31
Megaminx 8 70 213 45.75 49.56 158 55 7
Pyraminx 7 79 331 2.06 4.74 1294 436 24
Skewb 2 21 91 1.61 3.29 119 36 4
Square-1 1 8 41 6.52 9.07 49 11 2
3x3x3 Multi-Blind 29 495 1729 3/4 38:15

Medal Collection

Gold Silver Bronze
12 13 9

Record Collection

WR CR NR
8
Competition Round Place Single Average Solves
3x3x3 Cube
ByeolLae Open 2020 Final 6 7.45 9.25 7.458.2016.728.9510.60
First round 3 7.43 8.71 7.437.8210.1510.048.26
Cubing Korea 2019 Final 4 6.61 8.21 7.3110.8510.716.616.62
Second round 3 6.98 7.91 8.278.217.249.146.98
First round 2 6.52 7.29 7.506.526.859.787.51
Korean Championship 2019 Final 4 8.23 8.82 8.778.238.679.0310.97
Semi Final 4 7.75 8.49 9.359.127.758.457.91
Second round 8 8.03 8.96 8.038.6010.338.1710.12
First round 9 8.10 9.46 DNF8.108.3510.279.77
Cube Camp in Wonju 2019 Final 8 9.35 10.57 12.909.789.3511.2310.70
First round 4 8.18 9.07 8.528.398.1812.0910.31
Cubing Operating System Summer 2019 Final 6 8.33 10.21 10.7511.368.5312.638.33
First round 6 7.69 8.95 7.949.747.699.1613.76
Play Cube X4 2019 Final 4 8.42 8.95 9.128.948.808.4210.70
Second round 5 8.42 9.39 8.7310.878.429.2510.18
First round 4 5.88 9.16 9.699.535.889.798.27
Cutory Blossom 2019 Final 2 7.99 8.35 7.998.188.688.189.60
First round 6 7.73 9.34 11.2310.097.9010.037.73
Seoul Winter 2019 Final 5 8.02 9.62 8.998.028.2111.7411.66
Second round 3 7.74 8.55 8.948.337.749.328.38
First round 9 8.07 9.20 8.838.8011.538.079.97
Korea Winter 2019 Final 3 7.79 8.69 7.799.2710.268.678.14
First round 1 7.16 8.34 8.189.337.509.467.16
Cutory Autumn Open 2018 Final 6 9.09 10.06 10.7911.259.549.099.86
First round 5 7.47 9.44 9.859.659.429.267.47
WCA Asian Championship 2018 Semi Final 22 7.73 9.01 9.3711.219.507.738.15
Second round 24 6.55 8.63 11.689.508.086.558.30
First round 96 8.08 11.59 8.0812.989.9211.88DNF
Korean Championship 2018 Final 4 8.24 9.28 8.248.5610.288.9910.47
Semi Final 3 7.20 8.68 8.637.2010.589.637.78
Second round 2 7.80 8.40 7.808.459.297.888.86
First round 4 7.78 8.66 8.9610.577.788.848.18
Play Cube 2018 First round 11 8.98 10.26 8.9810.8310.2710.0410.47
CWR Winter 2018 Final 4 8.17 9.54 12.119.459.319.868.17
First round 6 9.49 10.39 10.6110.009.4910.5511.92
Cubedu Korea 2018 Final 7 8.95 10.22 9.38DNF9.398.9511.90
Second round 8 7.31 9.97 9.7412.037.319.2210.94
First round 7 8.40 10.03 11.1910.1112.098.798.40
CWR Fall 2017 Final 8 9.26 10.31 9.2610.3910.03DNF10.52
First round 5 9.26 10.13 14.1110.269.949.2610.18
Korean Championship 2017 Semi Final 9 8.59 10.00 9.9810.778.599.2710.75
Second round 13 8.81 10.30 9.378.8110.5612.2610.98
First round 13 8.24 10.13 9.9610.519.9110.608.24
Play Cube 2017 First round 9 10.12 11.11 11.0611.6610.1212.8510.62
KAIST Spring 2017 Second round 12 10.50 11.46 10.7711.4912.1110.5012.35
First round 9 9.58 11.46 9.5812.7911.3412.5510.50
3x3x3 HanMaDang 2017 Final 31 12.25 13.72 12.4813.3215.9512.2515.35
First round 20 9.71 12.18 12.0712.1712.2913.939.71
Korean Championship 2016 First round 63 13.56 15.46 17.7214.0113.5614.6523.57
Alpharetta Open 2016 First round 49 17.81 21.38 17.8124.0221.3322.5420.27
2x2x2 Cube
ByeolLae Open 2020 Final 2 1.88 2.37 1.941.883.112.422.76
Korean Championship 2019 Final 1 1.78 2.09 2.071.781.872.333.89
Second round 1 1.45 2.26 1.812.881.452.084.23
First round 5 1.80 2.66 4.12DNF1.802.051.82
Cube Camp in Wonju 2019 Final 1 1.46 2.37 2.012.791.462.323.46
Play Cube X4 2019 Final 1 1.36 1.63 NR 1.661.362.481.451.78
Second round 1 1.43 1.77 1.781.761.761.434.59
First round 4 1.28 2.91 1.884.76DNF1.282.10
Cutory Blossom 2019 Final 1 1.01 NR 1.82 NR 1.011.432.332.381.70
Seoul Winter 2019 Final 3 1.75 2.88 3.181.75DNF1.993.47
First round 1 1.07 2.06 3.141.483.891.071.55
WCA Asian Championship 2018 Final 9 1.64 2.44 1.641.79DNF1.693.85
Second round 12 1.72 2.40 3.263.222.001.721.99
First round 4 1.46 1.95 2.012.181.661.46DNF
Korean Championship 2018 First round 31 1.62 4.62 3.671.623.45DNF6.74
CWR Winter 2018 Final 1 1.70 1.96 1.701.841.752.282.98
Korean Championship 2017 Final 2 1.71 3.02 1.943.717.833.421.71
First round 1 2.07 3.08 2.072.784.602.503.97
Play Cube 2017 Final 5 3.00 3.85 3.433.00DNF4.243.88
KAIST Spring 2017 First round 5 1.77 3.41 3.683.762.784.471.77
Korean Championship 2016 First round 21 2.72 4.59 2.725.864.155.364.25
Alpharetta Open 2016 Final 26 4.25 5.58 5.584.255.255.927.86
First round 24 5.06 5.39 5.405.247.645.545.06
4x4x4 Cube
Cubing Korea 2019 Final 3 25.95 30.81 25.9531.0132.9331.6229.79
Korean Championship 2019 Final 4 29.54 32.28 38.7235.4931.2130.1529.54
First round 9 31.13 34.54 35.6536.0833.6234.3631.13
Cube Camp in Wonju 2019 Final 4 31.34 35.70 36.2531.3438.6743.0332.19
Play Cube X4 2019 Final 4 32.82 35.60 32.8234.0940.7335.9736.73
Seoul Winter 2019 Final 1 28.84 30.37 33.8030.3928.8430.5930.12
Korea Winter 2019 Final 2 27.68 31.90 40.6030.8432.0232.8427.68
Cutory Autumn Open 2018 Final 4 30.99 35.65 39.1937.3630.9934.2635.33
WCA Asian Championship 2018 Second round 31 29.22 35.24 41.9329.2240.8530.8833.99
First round 31 31.47 35.29 35.6931.4746.6934.6335.55
Korean Championship 2018 Final 12 34.78 37.32 39.3138.7337.6134.7835.61
First round 14 32.43 38.91 36.7941.30DNF32.4338.63
Cubedu Korea 2018 Final 7 34.36 39.08 40.0334.3642.3234.90DNF
CWR Fall 2017 Final 7 35.43 39.19 38.9341.1346.1535.4337.51
Korean Championship 2017 First round 17 46.18 48.38 47.101:01.9147.6450.4146.18
Play Cube 2017 Final 8 38.73 41.96 46.8741.5142.4541.9238.73
KAIST Spring 2017 First round 6 37.56 41.73 43.0338.5637.561:04.1143.61
Korean Championship 2016 First round 21 53.20 55.38 57.471:04.8754.4754.1953.20
5x5x5 Cube
Cubing Korea 2019 Final 7 57.30 1:02.95 58.661:04.3957.301:08.531:05.81
Korean Championship 2019 Final 9 56.23 1:03.57 1:02.821:00.6056.231:09.551:07.29
First round 8 59.35 1:02.91 1:08.201:05.131:00.1859.351:03.41
Cube Camp in Wonju 2019 Final 3 1:01.67 1:08.73 1:01.671:10.121:09.001:07.071:13.19
Cutory Blossom 2019 Final 7 58.12 1:06.08 1:05.721:05.281:25.8858.121:07.23
Seoul Winter 2019 Final 5 56.97 1:03.46 1:06.5556.971:01.361:05.101:03.93
Cutory Autumn Open 2018 Final 6 1:03.90 1:07.49 1:03.901:05.641:10.891:17.271:05.95
WCA Asian Championship 2018 Second round 39 1:12.27 1:14.91 1:13.561:23.221:16.651:14.521:12.27
First round 32 1:04.90 1:08.44 1:08.391:09.071:07.861:04.901:15.10
Korean Championship 2018 Final 10 1:05.19 1:13.52 1:05.191:08.791:17.831:14.001:17.78
First round 9 1:04.92 1:09.44 1:18.831:07.951:09.271:04.921:11.09
Play Cube 2018 Final 9 1:11.73 1:17.15 1:24.261:18.301:17.181:15.971:11.73
Jeju Open 2017 Final 7 1:18.26 1:30.98 1:32.761:33.851:18.261:32.471:27.72
Korean Championship 2017 First round 11 1:26.09 1:30.89 1:40.361:34.181:29.251:26.091:29.23
Play Cube 2017 Final 8 1:32.68 1:34.41 1:33.631:48.371:34.621:32.681:34.97
6x6x6 Cube
ByeolLae Open 2020 Final 5 1:55.40 2:03.18 2:08.081:55.402:06.05
Seoul Winter 2019 Final 6 2:10.86 2:15.27 2:17.162:17.802:10.86
7x7x7 Cube
Cubing Operating System Summer 2019 Final 7 4:10.41 4:10.80 4:10.984:11.004:10.41
Korean Championship 2018 Final 16 5:04.24 5:19.39 5:47.125:04.245:06.81
Jeju Open 2017 Final 8 5:46.48 6:23.50 6:39.716:44.325:46.48
CWR Fall 2017 Final 18 6:41.40 7:16.89 8:27.696:41.576:41.40
3x3x3 Blindfolded
Cubing Korea 2019 Final 19 DNF DNF DNFDNFDNF
Korean Championship 2019 First round 15 2:16.50 DNF DNFDNF2:16.50
Play Cube X4 2019 Final 7 DNF DNF DNFDNFDNF
First round 5 1:28.91 DNF DNF1:53.251:28.91
Cutory Blossom 2019 Final 8 1:40.30 DNF DNF1:40.30DNF
Korea Winter 2019 Final 11 2:30.43 DNF 2:30.43DNFDNF
Cutory Autumn Open 2018 Final 4 1:28.84 DNF 1:28.84DNFDNF
3x3x3 Fewest Moves
FMC Asia 2019 Final 103 34 DNF DNS3534
Please Be Quiet Korea 2019 Final 3 30 33.67 303932
FMC Asia 2018 Final 106 31 DNF 3140DNF
WCA Asian Championship 2018 Final 46 37 DNF 3743DNF
Korean Championship 2018 Final 9 37 37
FMC Asia 2017 Final 25 33 36.00 393336
Korean Championship 2017 Final 9 46 46
3x3x3 HanMaDang 2017 Final 17 DNF DNF
3x3x3 One-Handed
ByeolLae Open 2020 Final 4 10.79 13.61 10.7916.7511.1015.4714.27
Korean Championship 2019 Final 5 11.71 14.30 12.6711.7116.0915.7414.48
First round 4 11.53 13.89 16.5412.9312.2011.5317.18
Cube Camp in Wonju 2019 Final 4 13.94 15.74 15.8413.9420.1315.1316.24
Play Cube X4 2019 Final 3 12.10 14.33 15.4213.6016.2913.9712.10
First round 4 12.12 14.54 19.5515.0013.7114.9212.12
Cutory Blossom 2019 Final 1 11.62 12.56 13.0812.0113.3711.6212.59
Korea Winter 2019 Final 2 11.72 13.99 14.1711.7214.7917.4813.01
WCA Asian Championship 2018 Final 16 13.85 17.38 13.8521.0317.3219.1915.62
First round 14 12.19 14.61 16.5712.2614.9912.1916.79
Korean Championship 2018 Final 9 14.56 15.97 15.1814.5617.5117.9515.21
First round 8 14.48 16.08 17.5314.4815.23DNF15.49
Play Cube 2018 Final 10 13.86 18.61 21.1516.9018.8220.1213.86
First round 7 14.98 17.24 17.5315.6719.7214.9818.51
CWR Winter 2018 Final 2 12.44 14.81 15.3515.4814.9412.4414.13
Korean Championship 2017 First round 10 15.44 18.69 19.6119.0820.0815.4417.39
3x3x3 HanMaDang 2017 First round 9 15.41 17.31 17.8822.0717.5815.4116.48
Korean Championship 2016 First round 28 20.09 26.17 27.62DNF20.0928.9221.97
Clock
Cubing Korea 2019 Final 35 12.05 DNF 12.49DNFDNF12.05DNF
Cubing Operating System Summer 2019 Final 9 12.53 13.56 12.5312.7013.9714.02DNF
Megaminx
Korea Winter 2019 Final 3 45.75 49.56 55.9046.5747.0455.0745.75
WCA Asian Championship 2018 First round 21 53.58 58.18 58.9859.5253.581:03.3956.04
Korean Championship 2018 Final 7 53.46 1:00.26 1:09.2153.4657.8653.71DNF
CWR Winter 2018 Final 8 56.23 1:00.65 57.301:21.651:03.7456.231:00.92
Jeju Open 2017 Final 5 1:00.89 1:04.58 1:10.701:05.021:00.891:05.311:03.40
CWR Fall 2017 Final 3 1:00.95 1:03.22 1:04.051:02.961:02.651:04.641:00.95
Korean Championship 2017 Final 10 1:18.44 1:25.45 1:24.861:28.771:18.441:22.721:28.93
Pyraminx
ByeolLae Open 2020 Final 9 4.14 4.93 4.146.455.024.655.13
Korean Championship 2019 First round 12 2.06 5.52 2.066.304.596.495.68
Cube Camp in Wonju 2019 Final 6 4.04 4.74 7.764.044.524.565.15
Play Cube X4 2019 Final 7 4.64 5.24 6.015.195.534.644.99
Seoul Winter 2019 Final 8 2.76 6.45 7.104.498.022.767.76
First round 7 4.28 4.85 5.388.494.664.284.52
Cutory Autumn Open 2018 Final 8 5.79 6.23 5.82DNF5.795.956.93
Cubedu Korea 2018 Final 8 3.70 5.95 3.706.144.887.496.84
Jeju Open 2017 Final 4 4.92 6.90 7.975.507.238.534.92
CWR Fall 2017 Final 10 5.93 7.29 8.997.286.185.938.42
First round 10 5.42 6.67 5.429.907.566.915.55
Korean Championship 2017 First round 20 5.94 9.02 10.488.769.605.948.71
KAIST Spring 2017 Final 13 7.64 9.82 11.007.6410.299.399.77
Skewb
ByeolLae Open 2020 Final 4 3.58 4.24 3.584.274.613.855.68
Korean Championship 2019 Final 6 3.18 4.66 7.765.144.534.313.18
First round 5 4.05 4.79 4.434.108.944.055.83
Cube Camp in Wonju 2019 Final 5 2.65 5.62 6.555.862.654.46DNF
Cubing Operating System Summer 2019 Final 6 4.00 6.01 4.005.246.978.795.82
First round 5 1.61 NR 4.51 4.421.614.255.374.85
Cutory Blossom 2019 Final 1 3.25 3.63 3.953.254.353.583.36
Seoul Winter 2019 Final 1 2.58 3.29 3.252.884.083.742.58
WCA Asian Championship 2018 Final 11 4.04 4.86 5.344.044.075.186.93
First round 15 1.85 4.32 5.343.774.964.231.85
Korean Championship 2018 Final 4 3.84 4.84 3.844.004.855.678.09
First round 8 2.79 5.02 4.812.796.785.075.19
Cubedu Korea 2018 Final 10 4.35 5.50 6.694.355.236.155.12
Jeju Open 2017 Final 1 3.82 4.77 8.815.163.824.934.22
CWR Fall 2017 Final 6 4.64 6.41 7.915.874.645.469.27
Korean Championship 2017 Final 6 4.75 5.84 6.496.615.644.755.38
First round 9 4.60 6.18 4.747.704.608.846.11
KAIST Spring 2017 Final 3 4.16 5.92 7.027.495.854.904.16
Korean Championship 2016 First round 19 7.76 8.19 10.797.768.517.828.23
Square-1
Korean Championship 2019 Final 2 7.58 9.38 14.198.5410.047.589.57
Cube Camp in Wonju 2019 Final 2 7.20 9.94 7.208.1012.249.6112.12
Cutory Blossom 2019 Final 2 7.08 9.60 13.269.487.089.689.64
Seoul Winter 2019 Final 2 8.40 9.73 9.568.4011.799.5310.10
WCA Asian Championship 2018 Final 2 8.26 10.40 11.9610.638.6013.048.26
First round 4 7.00 9.39 9.5010.4211.067.008.26
Korean Championship 2018 Final 2 9.62 11.18 12.3211.32DNF9.909.62
Play Cube 2018 Final 2 6.52 NR 9.07 6.529.976.6910.5710.54
Jeju Open 2017 Final 1 7.47 NR 9.31 NR 7.478.7911.9010.039.11
Korean Championship 2017 Final 1 9.15 10.43 NR 9.189.5912.529.1513.78
Korean Championship 2016 Final 20 22.46 40.81 54.9038.3536.9322.4647.16
4x4x4 Blindfolded
Cube Camp in Wonju 2019 Final 4 DNF DNF DNFDNFDNF
Please Be Quiet Korea 2019 Final 6 DNF DNF DNFDNFDNF
5x5x5 Blindfolded
Please Be Quiet Korea 2019 Final 3 DNF DNF DNFDNFDNF
3x3x3 Multi-Blind
Please Be Quiet Korea 2019 Final 4 3/4 38:15 3/4 38:15
3x3x3 With Feet
Cubing Korea 2019 Final 7 1:01.57 1:25.06 1:31.721:21.971:23.201:30.021:01.57
Korean Championship 2018 Final 8 1:14.83 1:27.60 1:31.511:14.831:18.421:32.882:18.48

History of National Records

Single Average Competition Round Solves
2x2x2 Cube
1.63 Play Cube X4 2019 Final 1.661.362.481.451.78
1.01 1.82 Cutory Blossom 2019 Final 1.011.432.332.381.70
Skewb
1.61 Cubing Operating System Summer 2019 First round
Square-1
6.52 Play Cube 2018 Final
7.47 9.31 Jeju Open 2017 Final 7.478.7911.9010.039.11
10.43 Korean Championship 2017 Final 9.189.5912.529.1513.78

Continental Championship Podiums

Event Place Single Average Solves
WCA Asian Championship 2018
Square-1 2 8.26 10.40 11.9610.638.6013.048.26

National Championship Podiums

Event Place Single Average Solves
Korean Championship 2019
2x2x2 Cube 1 1.78 2.09 2.071.781.872.333.89
Square-1 2 7.58 9.38 14.198.5410.047.589.57
Korean Championship 2018
Skewb 3 3.84 4.84 3.844.004.855.678.09
Square-1 2 9.62 11.18 12.3211.32DNF9.909.62
Korean Championship 2017
2x2x2 Cube 2 1.71 3.02 1.943.717.833.421.71
Square-1 1 9.15 10.43 9.189.5912.529.1513.78