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 61 921 2645 8.39 10.60 3093 1121 72
2x2x2 Cube 20 273 1126 1.50 3.22 1809 514 30
4x4x4 Cube 87 1766 4405 41.66 46.31 3720 1489 81
5x5x5 Cube 124 2713 7208 1:45.78 1:58.30 7361 2762 129
6x6x6 Cube 81 1512 4559 3:53.62 4:00.19 4128 1377 74
3x3x3 Blindfolded 64 1137 3030 2:51.09 4:16.70 1621 557 29
3x3x3 Fewest Moves 3 44 206 25
3x3x3 One-Handed 76 1315 3299 16.36 20.64 3534 1457 86
Megaminx 58 1017 2961 1:23.46 1:30.49 2665 910 56
Pyraminx 38 1086 3397 3.89 7.17 5279 1809 62
Skewb 151 3472 11072 7.18 10.15 9623 3169 141
Square-1 125 1950 7076 39.40 40.49 5170 1480 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 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