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 59 758 2235 8.39 10.60 2638 930 71
2x2x2 Cube 17 242 987 1.50 3.22 1597 448 29
4x4x4 Cube 84 1600 3904 41.66 46.31 3261 1332 78
5x5x5 Cube 120 2486 6438 1:45.78 1:58.30 6587 2550 125
6x6x6 Cube 76 1387 4126 3:53.62 4:00.19 3735 1263 71
3x3x3 Blindfolded 64 1079 2773 2:51.09 4:16.70 1490 529 29
3x3x3 Fewest Moves 3 34 167 25
3x3x3 One-Handed 75 1210 3022 16.36 20.64 3205 1337 85
Megaminx 52 929 2656 1:23.46 1:30.49 2380 831 50
Pyraminx 37 971 3042 3.89 7.17 4779 1669 61
Skewb 147 3150 9875 7.18 10.15 8668 2895 136
Square-1 124 1778 6395 39.40 40.49 4650 1335 96

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