Joon Cha (차준혁)

Country WCA ID Gender Competitions Completed Solves
Republic of Korea 2012CHAJ01 Male 10 488

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 61 852 2540 8.39 10.60 2971 1036 72
2x2x2 Cube 20 271 1107 1.50 3.22 1774 500 30
4x4x4 Cube 87 1720 4310 41.66 46.31 3635 1443 81
5x5x5 Cube 124 2669 7106 1:45.78 1:58.30 7263 2721 129
6x6x6 Cube 81 1486 4499 3:53.62 4:00.19 4087 1359 74
3x3x3 Blindfolded 64 1124 2995 2:51.09 4:16.70 1599 551 29
3x3x3 Fewest Moves 3 44 201 25
3x3x3 One-Handed 76 1286 3253 16.36 20.64 3476 1420 86
Megaminx 58 989 2905 1:23.46 1:30.49 2610 882 56
Pyraminx 38 1060 3330 3.89 7.17 5181 1769 62
Skewb 151 3382 10865 7.18 10.15 9466 3095 141
Square-1 125 1930 6986 39.40 40.49 5096 1458 97

Medal Collection

Gold Silver Bronze
1 0 1

Record Collection

WR CR NR
2
Competition Round Place Single Average Solves
3x3x3 Cube
3x3x3 HanMaDang 2017 Final 12 9.94 10.64 9.9412.3910.5310.0511.35
First 13 8.39 10.74 12.349.7810.5811.868.39
Busan Summer 2014 Final 6 10.12 11.57 10.1210.6313.2112.7111.38
First 6 9.89 11.32 12.3110.409.8911.2514.15
National Capital Region 2014 Final 8 11.02 12.54 11.4014.3111.0213.6812.55
Second 7 10.05 10.60 10.1910.9610.0511.3110.65
First 8 11.56 12.24 12.5611.5614.9012.3111.86
Toronto Open Spring 2014 Final 6 10.50 12.33 13.3311.7510.5011.9214.30
Second 5 9.53 11.37 11.2111.0117.229.5311.90
First 6 10.39 11.02 11.7610.6710.3916.2010.63
Montréal Open 2014 Final 5 10.27 12.71 14.5013.2310.2712.7612.14
Second 5 10.59 11.99 12.3812.4310.5916.2111.16
First 5 10.00 11.46 10.0012.6810.6611.0513.06
Canadian Open 2013 Second 27 11.68 14.27 14.9014.5611.6813.3418.40
First 19 11.47 13.19 13.7812.9313.1511.4713.50
National Capital Region 2013 Final 9 11.81 13.59 13.4413.7214.2513.6111.81
Second 9 12.81 14.21 14.0016.6514.3012.8114.34
First 9 12.46 15.00 15.1514.9615.0512.4615.00
Montréal Open 2013 Final 11 11.25 15.70 16.5316.8613.7111.2518.19
Second 8 12.31 12.98 13.3312.9417.0612.3112.68
First 11 12.78 15.06 12.7816.0016.0915.3813.81
Toronto Open Winter 2013 Second 25 11.69 16.39 DNF14.8011.6914.8019.58
First 14 11.72 14.86 16.6311.7214.9013.0516.77
Toronto Summer 2012 Second 24 15.02 16.53 18.4317.2216.0816.2815.02
First 23 13.38 15.92 13.3814.4717.5515.7518.75
2x2x2 Cube
Busan Summer 2014 Final 3 2.32 3.22 2.324.433.542.803.31
First 2 2.22 3.60 3.644.093.362.223.80
National Capital Region 2014 Final 5 2.25 3.88 4.442.254.632.814.40
Second 4 2.77 3.69 3.664.724.192.773.22
First 6 2.30 4.18 3.274.592.306.614.68
Toronto Open Spring 2014 Second 13 3.21 4.84 4.396.075.174.963.21
First 10 3.19 4.29 3.983.875.223.195.02
Montréal Open 2014 Final 5 3.64 4.45 5.613.923.6410.353.81
Second 4 3.96 4.52 4.584.476.103.964.52
First 5 3.76 5.24 6.13DNF3.764.804.78
Canadian Open 2013 Second 14 4.59 5.03 5.115.274.595.344.71
Combined First 16 3.93 4.80 4.976.845.153.934.28
National Capital Region 2013 Final 7 1.50 NR 4.24 4.691.504.255.653.78
Second 6 4.78 5.20 4.906.214.785.255.44
First 4 3.93 4.54 4.054.753.937.774.83
Montréal Open 2013 Final 6 2.96 4.61 4.554.934.634.662.96
Second 6 3.61 5.10 6.905.653.614.974.68
First 6 3.52 4.93 5.133.525.535.434.22
Toronto Open Winter 2013 Final 7 3.66 4.39 4.654.113.664.418.00
Second 8 4.13 4.65 4.504.865.314.134.59
First 12 4.11 4.81 5.034.596.464.814.11
Toronto Summer 2012 First 24 6.00 6.90 6.228.728.066.006.43
4x4x4 Cube
National Capital Region 2014 Combined Final 6 42.96 49.63 50.1152.0242.9652.3346.77
Toronto Open Spring 2014 Combined Final 11 44.27 53.06 53.5644.2754.2851.3455.24
Montréal Open 2014 Combined Final 5 41.66 46.31 45.9254.7441.6644.9748.05
Canadian Open 2013 Combined First 13 53.91 56.29 56.6554.831:01.1953.9157.38
National Capital Region 2013 Final 7 54.27 1:02.10 59.361:05.6154.271:03.381:03.56
First 7 54.33 59.61 54.3356.911:01.971:10.8059.96
Montréal Open 2013 Combined Final 9 1:02.72 1:10.57 1:03.751:18.131:10.691:17.281:02.72
Toronto Open Winter 2013 Combined Final 40 DNF DNFDNF
Toronto Summer 2012 Combined Final 23 1:21.59 1:21.591:24.84
5x5x5 Cube
Toronto Open Spring 2014 Combined Final 12 1:53.32 2:02.50 1:55.892:20.042:02.792:08.811:53.32
Canadian Open 2013 Combined First 17 1:45.78 1:58.30 2:04.181:54.502:05.381:56.211:45.78
Montréal Open 2013 Combined Final 10 2:52.44 2:52.932:52.44
Toronto Open Winter 2013 Combined Final 13 2:22.69 2:22.692:28.28
6x6x6 Cube
Montréal Open 2014 Combined Final 6 3:53.62 4:00.19 3:53.624:02.254:04.71
Canadian Open 2013 Combined Final 12 4:09.19 4:19.73 4:09.194:18.694:31.30
7x7x7 Cube
Canadian Open 2013 Combined Final 21 DNF DNF
3x3x3 Blindfolded
3x3x3 HanMaDang 2017 Final 13 5:37.08 DNF DNF5:37.086:14.90
Busan Summer 2014 Final 5 2:51.09 4:16.70 5:41.114:17.902:51.09
National Capital Region 2014 Final 7 3:30.33 DNF DNFDNF3:30.33
Toronto Open Spring 2014 Final 8 3:26.40 DNF 3:26.40DNF3:56.93
Canadian Open 2013 First 13 4:12.96 DNF 4:12.96DNFDNF
National Capital Region 2013 Final 7 5:22.21 DNF 5:22.21DNFDNF
3x3x3 Fewest Moves
3x3x3 HanMaDang 2017 Final 8 44 44
Montréal Open 2013 Final 1 25 NR 25
3x3x3 One-Handed
3x3x3 HanMaDang 2017 First 18 19.93 21.64 21.9122.1125.1019.9320.90
National Capital Region 2014 Final 8 20.72 24.35 26.4022.4326.7524.2120.72
Second 8 16.36 21.97 21.4122.0922.4016.3624.86
Combined First 8 23.19 25.51 27.0324.1823.1929.4625.33
Toronto Open Spring 2014 Second 9 21.43 24.22 21.7428.6526.9723.9521.43
Combined First 8 20.59 25.13 20.5921.9223.88DNF29.60
Montréal Open 2014 Combined Final 5 19.52 20.64 19.5219.8120.7021.4122.38
Canadian Open 2013 Second 19 21.02 27.30 21.0222.1624.0835.6538.11
Combined First 17 22.97 24.15 23.3122.9724.3325.6624.80
National Capital Region 2013 Final 12 27.50 33.86 35.9627.5032.9736.9132.65
Second 12 25.28 29.24 41.2228.8625.2827.5931.27
First 14 29.56 35.63 39.5046.9034.5832.8129.56
Montréal Open 2013 Final 11 26.78 30.92 30.8627.5034.4026.7838.11
First 12 29.52 33.60 36.6533.9148.8629.5230.25
Toronto Open Winter 2013 Second 20 28.46 33.67 40.0930.3328.4646.1530.59
Combined First 19 25.05 30.66 40.3634.3132.1325.0525.53
Megaminx
National Capital Region 2014 Combined Final 4 1:26.19 1:30.49 1:26.191:26.581:46.221:32.331:32.56
Montréal Open 2014 Combined Final 5 1:23.46 1:30.94 1:32.971:24.311:23.461:37.611:35.53
Canadian Open 2013 Combined Final 6 1:24.15 1:35.19 2:07.271:36.311:24.151:36.301:32.96
National Capital Region 2013 Final 4 1:29.47 1:35.81 1:40.221:52.781:30.691:36.521:29.47
Montréal Open 2013 Combined Final 6 2:13.59 2:22.10 2:23.432:16.522:13.592:30.062:26.34
Toronto Open Winter 2013 Combined Final 10 2:26.22 3:04.692:26.22
Pyraminx
Busan Summer 2014 Final 5 3.89 7.17 16.1711.224.523.895.77
National Capital Region 2014 Final 5 7.61 9.26 8.777.6110.0011.009.02
Toronto Open Spring 2014 Combined Final 11 7.66 8.81 10.728.0010.917.707.66
Montréal Open 2014 Final 4 8.15 8.47 8.448.558.1511.438.43
Canadian Open 2013 Final 10 7.22 9.34 11.559.569.289.197.22
First 12 6.88 9.20 9.186.889.9712.688.44
National Capital Region 2013 Final 6 7.09 7.88 7.289.217.097.1611.15
First 7 6.25 9.15 11.699.156.256.9611.34
Montréal Open 2013 Final 5 7.58 9.76 11.529.348.4112.277.58
Toronto Open Winter 2013 Final 10 10.43 11.29 10.4310.4312.0211.4711.97
Skewb
Busan Summer 2014 Final 7 8.48 11.86 11.6712.298.4811.6112.58
First 5 7.94 11.12 10.7913.687.948.8814.05
National Capital Region 2014 Final 4 7.81 11.39 7.8110.1611.1914.3112.83
Toronto Open Spring 2014 Final 5 7.18 11.23 11.3110.817.1811.5817.50
Montréal Open 2014 Final 4 8.07 10.15 8.0711.5110.798.1512.35
Square-1
Canadian Open 2013 Combined Final 13 39.40 40.49 41.251:00.9040.0240.1939.40

History of National Records

Single Average Competition Round Solves
2x2x2 Cube
1.50 National Capital Region 2013 Final
3x3x3 Fewest Moves
25 Montréal Open 2013 Final