Jaemin Chang (장재민)

Country WCA ID Gender Competitions Completed Solves
Republic of Korea 2016CHAN09 Male 32 1062

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 8 91 396 5.88 6.99 181 50 4
2x2x2 Cube 2 50 411 1.01 1.60 105 26 2
4x4x4 Cube 11 68 231 25.46 29.07 175 53 8
5x5x5 Cube 7 55 173 49.11 50.38 51 18 4
6x6x6 Cube 19 174 582 1:55.40 2:03.18 568 178 20
7x7x7 Cube 5 49 138 2:24.51 2:33.65 136 53 5
3x3x3 Blindfolded 40 547 1603 1:28.84
3x3x3 Fewest Moves 18 235 1021 30 33.67 661 154 12
3x3x3 One-Handed 5 71 239 9.68 12.35 205 62 7
Clock 72 961 3794 12.05 13.56 3275 814 67
Megaminx 9 86 327 43.31 49.56 355 96 10
Pyraminx 8 126 610 2.06 4.17 1247 352 19
Skewb 3 24 144 1.61 3.29 212 55 7
Square-1 3 5 53 5.75 7.36 39 8 3
3x3x3 Multi-Blind 40 582 2140 3/4 38:15

Medal Collection

Gold Silver Bronze
16 18 14

Record Collection

WR CR NR
1 8
Competition Round Place Single Average Solves
3x3x3 Cube
Seoul Spring 2023 Final 4 7.06 8.08 7.947.0610.138.787.53
First round 1 6.67 6.99 9.637.157.036.676.78
Daegu Hot Spring 2023 Final 3 6.14 7.34 6.506.148.277.259.22
First round 2 6.35 7.60 6.517.818.486.3511.64
Korean Championship 2022 Final 3 6.98 7.56 7.526.987.597.657.56
Semi Final 4 6.80 7.39 7.877.316.8010.976.98
Second round 3 7.68 7.80 7.729.217.687.767.93
First round 3 6.86 7.66 8.357.016.867.629.83
Korean Championship Mini 2021 Final 1 6.51 7.59 8.337.396.517.059.24
First round 1 7.35 7.73 7.777.668.587.357.77
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
Seoul Spring 2023 Final 1 1.33 1.86 2.061.332.302.161.35
Daegu Hot Spring 2023 Final 3 1.26 2.17 1.841.415.251.263.27
Korean Championship 2022 Final 5 1.64 2.94 DNF2.362.331.644.12
Second round 1 1.05 1.60 1.651.631.511.051.94
First round 1 1.17 1.62 2.321.172.341.311.24
Korean Championship Mini 2021 Final 1 1.43 1.65 1.431.621.751.731.61
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
Korean Championship 2022 Final 7 28.49 31.52 37.5728.4933.9031.0129.64
First round 4 28.27 30.87 29.8233.8530.8428.2731.96
Korean Championship Mini 2021 Final 2 25.46 29.07 25.4630.4130.8327.8428.96
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
Korean Championship Mini 2021 Final 1 49.11 50.38 49.6549.1150.5853.1650.91
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
Seoul Spring 2023 Final 4 2:24.51 2:33.65 2:46.862:29.582:24.51
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
Daegu Hot Spring 2023 Final 2 11.39 12.35 13.2513.6711.8111.3912.00
Korean Championship Mini 2021 Final 2 9.68 13.23 14.2415.3211.889.6813.56
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
Korean Championship Mini 2021 Final 3 43.31 50.02 54.0348.8152.2648.9943.31
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
Ansan Spring 2023 Final 6 2.43 4.32 6.543.444.922.434.60
First round 8 3.67 4.17 6.384.343.714.473.67
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
Daegu Hot Spring 2023 Final 5 2.83 4.59 3.895.809.704.082.83
Ansan Spring 2023 Final 2 2.06 3.48 2.062.764.043.644.08
First round 2 2.15 3.81 3.804.204.592.153.42
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
Ansan Spring 2023 Final 3 6.40 7.36 6.406.657.497.949.66
First round 2 6.25 7.63 8.106.837.968.366.25
Korean Championship Mini 2021 Final 2 5.75 AsR 7.72 6.816.84DNF9.515.75
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 Continental Records

Single Average Competition Round Solves
Square-1
5.75 Korean Championship Mini 2021 Final

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 2022
3x3x3 Cube 3 6.98 7.56 7.526.987.597.657.56
Korean Championship Mini 2021
3x3x3 Cube 1 6.51 7.59 8.337.396.517.059.24
2x2x2 Cube 1 1.43 1.65 1.431.621.751.731.61
4x4x4 Cube 2 25.46 29.07 25.4630.4130.8327.8428.96
5x5x5 Cube 1 49.11 50.38 49.6549.1150.5853.1650.91
3x3x3 One-Handed 2 9.68 13.23 14.2415.3211.889.6813.56
Megaminx 3 43.31 50.02 54.0348.8152.2648.9943.31
Square-1 2 5.75 7.72 6.816.84DNF9.515.75
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
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