Jaemin Chang (장재민)

Country WCA ID Gender Competitions Completed Solves
Republic of Korea 2016CHAN09 Male 24 839

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 7 40 150 5.88 8.34 372 108 14
2x2x2 Cube 1 27 201 1.01 1.63 40 8 1
4x4x4 Cube 11 80 229 27.68 30.37 97 34 7
5x5x5 Cube 13 94 248 56.23 1:02.91 247 95 13
6x6x6 Cube 17 207 555 2:10.86 2:15.27 463 173 17
7x7x7 Cube 32 606 1602 4:10.41 4:10.80 1268 486 27
3x3x3 Blindfolded 33 429 1103 1:28.84
3x3x3 Fewest Moves 11 176 738 30 33.67 461 120 7
3x3x3 One-Handed 12 155 454 11.53 12.56 93 31 6
3x3x3 With Feet 25 266 733 1:14.83 1:27.60 657 243 24
Clock 38 652 1824 12.53 13.56 1388 491 28
Megaminx 7 65 188 45.75 49.56 144 52 6
Pyraminx 7 72 287 2.06 4.74 1203 402 23
Skewb 2 16 80 1.61 3.29 107 35 4
Square-1 1 8 35 6.52 9.07 45 9 2
3x3x3 Multi-Blind 28 470 1601 3/4 38:15

Medal Collection

Gold Silver Bronze
12 12 8

Record Collection

WR CR NR
8
Competition Round Place Single Average Solves
3x3x3 Cube
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 8 8.03 8.96 8.038.6010.338.1710.12
First 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 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 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 5 8.42 9.39 8.7310.878.429.2510.18
First 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 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 3 7.74 8.55 8.948.337.749.328.38
First 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 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 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 24 6.55 8.63 11.689.508.086.558.30
First 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 2 7.80 8.40 7.808.459.297.888.86
First 4 7.78 8.66 8.9610.577.788.848.18
Play Cube 2018 First 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 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 8 7.31 9.97 9.7412.037.319.2210.94
First 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 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 13 8.81 10.30 9.378.8110.5612.2610.98
First 13 8.24 10.13 9.9610.519.9110.608.24
Play Cube 2017 First 9 10.12 11.11 11.0611.6610.1212.8510.62
KAIST Spring 2017 Second 12 10.50 11.46 10.7711.4912.1110.5012.35
First 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 20 9.71 12.18 12.0712.1712.2913.939.71
Korean Championship 2016 First 63 13.56 15.46 17.7214.0113.5614.6523.57
Alpharetta Open 2016 Combined First 49 17.81 21.38 17.8124.0221.3322.5420.27
2x2x2 Cube
Korean Championship 2019 Final 1 1.78 2.09 2.071.781.872.333.89
Second 1 1.45 2.26 1.812.881.452.084.23
First 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 1 1.43 1.77 1.781.761.761.434.59
First 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 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 12 1.72 2.40 3.263.222.001.721.99
First 4 1.46 1.95 2.012.181.661.46DNF
Korean Championship 2018 First 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 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 5 1.77 3.41 3.683.762.784.471.77
Korean Championship 2016 First 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
Combined First 24 5.06 5.39 5.405.247.645.545.06
4x4x4 Cube
Korean Championship 2019 Final 4 29.54 32.28 38.7235.4931.2130.1529.54
Combined First 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 Combined 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 31 29.22 35.24 41.9329.2240.8530.8833.99
First 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
Combined First 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 Combined First 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 6 37.56 41.73 43.0338.5637.561:04.1143.61
Korean Championship 2016 Combined First 21 53.20 55.38 57.471:04.8754.4754.1953.20
5x5x5 Cube
Korean Championship 2019 Final 9 56.23 1:03.57 1:02.821:00.6056.231:09.551:07.29
Combined First 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 39 1:12.27 1:14.91 1:13.561:23.221:16.651:14.521:12.27
First 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
Combined First 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 Combined First 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
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 Combined 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
Korean Championship 2019 First 15 2:16.50 DNF DNFDNF2:16.50
Play Cube X4 2019 Final 7 DNF DNF DNFDNFDNF
First 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
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
Korean Championship 2019 Final 5 11.71 14.30 12.6711.7116.0915.7414.48
Combined First 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 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 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
Combined First 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 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 Combined First 10 15.44 18.69 19.6119.0820.0815.4417.39
3x3x3 HanMaDang 2017 First 9 15.41 17.31 17.8822.0717.5815.4116.48
Korean Championship 2016 Combined First 28 20.09 26.17 27.62DNF20.0928.9221.97
3x3x3 With Feet
Korean Championship 2018 Final 8 1:14.83 1:27.60 1:31.511:14.831:18.421:32.882:18.48
Clock
Cubing Operating System Summer 2019 Final 9 12.53 13.56 12.5312.7013.9714.02DNF
Megaminx
Korea Winter 2019 Combined Final 3 45.75 49.56 55.9046.5747.0455.0745.75
WCA Asian Championship 2018 First 21 53.58 58.18 58.9859.5253.581:03.3956.04
Korean Championship 2018 Combined 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 Combined Final 10 1:18.44 1:25.45 1:24.861:28.771:18.441:22.721:28.93
Pyraminx
Korean Championship 2019 First 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 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 10 5.42 6.67 5.429.907.566.915.55
Korean Championship 2017 Combined First 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
Korean Championship 2019 Final 6 3.18 4.66 7.765.144.534.313.18
First 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 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 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 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 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 19 7.76 8.19 10.797.768.517.828.23
Square-1
Korean Championship 2019 Combined 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 4 7.00 9.39 9.5010.4211.067.008.26
Korean Championship 2018 Combined 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

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
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