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 80 1193 3655 8.39 10.60 4329 1497 95
2x2x2 Cube 23 309 1384 1.50 3.22 2310 610 32
4x4x4 Cube 112 2050 5546 41.66 46.31 4730 1746 102
5x5x5 Cube 149 3020 8582 1:45.78 1:58.30 8708 3055 155
6x6x6 Cube 97 1666 5413 3:53.62 4:00.19 4859 1512 91
3x3x3 Blindfolded 72 1224 3424 2:51.09 4:16.70 1820 595 31
3x3x3 Fewest Moves 4 48 240 25
3x3x3 One-Handed 88 1478 3901 16.36 20.64 4212 1648 97
Megaminx 74 1134 3644 1:23.46 1:30.49 3304 1017 69
Pyraminx 40 1177 4019 3.89 7.17 6195 1962 64
Skewb 172 3754 12900 7.18 10.15 11158 3405 158
Square-1 146 2111 8465 39.40 40.49 6272 1604 117

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 round 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 round 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 round 7 10.05 10.60 10.1910.9610.0511.3110.65
First round 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 round 5 9.53 11.37 11.2111.0117.229.5311.90
First round 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 round 5 10.59 11.99 12.3812.4310.5916.2111.16
First round 5 10.00 11.46 10.0012.6810.6611.0513.06
Canadian Open 2013 Second round 27 11.68 14.27 14.9014.5611.6813.3418.40
First round 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 round 9 12.81 14.21 14.0016.6514.3012.8114.34
First round 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 round 8 12.31 12.98 13.3312.9417.0612.3112.68
First round 11 12.78 15.06 12.7816.0016.0915.3813.81
Toronto Open Winter 2013 Second round 25 11.69 16.39 DNF14.8011.6914.8019.58
First round 14 11.72 14.86 16.6311.7214.9013.0516.77
Toronto Summer 2012 Second round 24 15.02 16.53 18.4317.2216.0816.2815.02
First round 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 round 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 round 4 2.77 3.69 3.664.724.192.773.22
First round 6 2.30 4.18 3.274.592.306.614.68
Toronto Open Spring 2014 Second round 13 3.21 4.84 4.396.075.174.963.21
First round 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 round 4 3.96 4.52 4.584.476.103.964.52
First round 5 3.76 5.24 6.13DNF3.764.804.78
Canadian Open 2013 Second round 14 4.59 5.03 5.115.274.595.344.71
First round 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 round 6 4.78 5.20 4.906.214.785.255.44
First round 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 round 6 3.61 5.10 6.905.653.614.974.68
First round 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 round 8 4.13 4.65 4.504.865.314.134.59
First round 12 4.11 4.81 5.034.596.464.814.11
Toronto Summer 2012 First round 24 6.00 6.90 6.228.728.066.006.43
4x4x4 Cube
National Capital Region 2014 Final 6 42.96 49.63 50.1152.0242.9652.3346.77
Toronto Open Spring 2014 Final 11 44.27 53.06 53.5644.2754.2851.3455.24
Montréal Open 2014 Final 5 41.66 46.31 45.9254.7441.6644.9748.05
Canadian Open 2013 First round 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 round 7 54.33 59.61 54.3356.911:01.971:10.8059.96
Montréal Open 2013 Final 9 1:02.72 1:10.57 1:03.751:18.131:10.691:17.281:02.72
Toronto Open Winter 2013 Final 40 DNF DNFDNF
Toronto Summer 2012 Final 23 1:21.59 1:21.591:24.84
5x5x5 Cube
Toronto Open Spring 2014 Final 12 1:53.32 2:02.50 1:55.892:20.042:02.792:08.811:53.32
Canadian Open 2013 First round 17 1:45.78 1:58.30 2:04.181:54.502:05.381:56.211:45.78
Montréal Open 2013 Final 10 2:52.44 2:52.932:52.44
Toronto Open Winter 2013 Final 13 2:22.69 2:22.692:28.28
6x6x6 Cube
Montréal Open 2014 Final 6 3:53.62 4:00.19 3:53.624:02.254:04.71
Canadian Open 2013 Final 12 4:09.19 4:19.73 4:09.194:18.694:31.30
7x7x7 Cube
Canadian Open 2013 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 round 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 round 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 round 8 16.36 21.97 21.4122.0922.4016.3624.86
First round 8 23.19 25.51 27.0324.1823.1929.4625.33
Toronto Open Spring 2014 Second round 9 21.43 24.22 21.7428.6526.9723.9521.43
First round 8 20.59 25.13 20.5921.9223.88DNF29.60
Montréal Open 2014 Final 5 19.52 20.64 19.5219.8120.7021.4122.38
Canadian Open 2013 Second round 19 21.02 27.30 21.0222.1624.0835.6538.11
First round 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 round 12 25.28 29.24 41.2228.8625.2827.5931.27
First round 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 round 12 29.52 33.60 36.6533.9148.8629.5230.25
Toronto Open Winter 2013 Second round 20 28.46 33.67 40.0930.3328.4646.1530.59
First round 19 25.05 30.66 40.3634.3132.1325.0525.53
Megaminx
National Capital Region 2014 Final 4 1:26.19 1:30.49 1:26.191:26.581:46.221:32.331:32.56
Montréal Open 2014 Final 5 1:23.46 1:30.94 1:32.971:24.311:23.461:37.611:35.53
Canadian Open 2013 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 Final 6 2:13.59 2:22.10 2:23.432:16.522:13.592:30.062:26.34
Toronto Open Winter 2013 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 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 round 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 round 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 round 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 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
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