Jakka Chang

Country WCA ID Gender Competitions Completed Solves
Netherlands 2014CHAN17 Male 9 217

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 42 1405 5114 9.45 11.91 6058 1632 47
2x2x2 Cube 277 8006 28424 4.63 5.57 17298 4822 181
4x4x4 Cube 62 1800 6737 46.23 49.79 5185 1417 47
5x5x5 Cube 53 1367 4917 1:33.62 1:48.82 5806 1631 63
3x3x3 One-Handed 61 2277 8795 21.91 26.96 8796 2242 61
Pyraminx 236 7286 22989 8.58 11.75 20205 6379 212
Square-1 110 2471 7775 44.94 1:17.95 8064 2545 104
Competition Round Place Single Average Solves
3x3x3 Cube
Assen Open 2018 Second round 13 10.23 12.23 13.7710.2312.3313.4810.89
First round 11 9.45 11.91 9.4512.7510.4316.6712.55
Dutch Nationals 2017 Second round 17 10.60 12.23 11.5612.1517.0012.9810.60
First round 18 11.30 12.22 12.2412.0713.3712.3611.30
Breda Open 2017 Second round 12 10.37 13.49 16.7011.4112.7510.3716.31
First round 10 10.77 13.34 15.8812.0613.7514.2110.77
Zuidplas Open 2017 Second round 12 11.65 12.45 11.6813.7611.6513.3912.27
First round 12 11.61 13.19 12.7215.1911.6118.6711.66
Dutch Nationals 2016 Second round 15 12.90 13.72 13.3413.9012.9014.7313.91
First round 8 11.45 13.18 13.7314.7111.4711.4514.35
King's Open 2016 Final 8 11.79 14.43 11.7914.2515.1113.9418.12
Second round 8 12.97 15.26 12.9714.0118.5416.2715.49
First round 10 13.07 14.99 13.5915.9613.0715.4218.38
Tulip Open 2016 Second round 12 12.78 14.71 15.3215.4413.3616.7912.78
First round 15 10.79 14.71 21.1113.1315.7715.2410.79
Dutch Nationals 2015 Second round 19 11.28 14.90 14.8211.2821.0714.2515.63
First round 25 13.78 15.66 15.1115.5417.9013.7816.33
Dutch Nationals 2014 Second round 29 20.05 24.25 21.5926.9220.0524.2330.24
First round 34 24.66 26.40 24.6625.3027.5826.3129.90
2x2x2 Cube
King's Open 2016 Final 16 5.57 5.81 5.575.925.876.985.65
Dutch Nationals 2015 Final 20 4.63 5.57 5.506.484.635.855.36
4x4x4 Cube
Assen Open 2018 Final 10 46.23 49.79 52.9753.1446.2347.3649.04
Dutch Nationals 2017 Final 18 52.73 55.78 52.7352.7754.391:05.721:00.17
Zuidplas Open 2017 Final 13 55.84 58.78 56.031:03.6656.6555.841:04.22
Dutch Nationals 2016 Final 16 57.62 1:05.91 1:04.291:07.751:18.7957.621:05.68
King's Open 2016 Final 12 1:03.12 1:11.45 1:11.621:10.581:03.121:14.101:12.16
Tulip Open 2016 Final 12 1:04.86 1:15.73 1:04.861:09.851:25.951:19.791:17.54
Dutch Nationals 2015 Final 23 1:09.45 1:13.86 1:21.731:18.971:13.091:09.521:09.45
5x5x5 Cube
Dutch Nationals 2017 Final 20 1:46.07 2:01.53 1:46.072:28.242:06.161:59.231:59.19
Zuidplas Open 2017 Final 8 1:33.62 1:48.82 1:49.951:48.341:48.161:33.622:12.24
Dutch Nationals 2016 Final 9 1:46.63 1:52.42 1:46.631:51.121:56.811:49.342:19.23
Tulip Open 2016 Final 10 1:56.88 2:13.11 2:26.801:56.882:12.842:30.351:59.68
Dutch Nationals 2015 Final 29 3:40.48 3:40.483:42.97
3x3x3 One-Handed
Dutch Nationals 2017 Final 21 22.25 28.02 32.4724.21DNF27.3922.25
Breda Open 2017 Final 25 26.30 36.70 26.3038.4741.9329.7056.78
Zuidplas Open 2017 Final 10 26.28 26.96 27.0127.0226.2826.8428.52
Dutch Nationals 2016 Final 15 21.91 31.19 32.7840.1421.9134.9525.84
King's Open 2016 Final 7 23.95 29.63 37.7623.9531.0528.6529.19
Tulip Open 2016 Final 11 30.87 33.39 32.7930.8733.4335.2633.94
Dutch Nationals 2015 Final 14 24.07 31.31 36.9244.1825.5024.0731.51
Pyraminx
King's Open 2016 Final 16 12.08 14.63 14.1016.1613.6218.6512.08
Tulip Open 2016 Final 11 9.22 11.75 9.22DNF15.6710.129.47
Dutch Nationals 2015 Final 22 8.58 14.57 17.0915.3627.508.5811.26
Square-1
Assen Open 2018 Final 23 55.41 55.41DNF
Dutch Nationals 2017 Final 22 44.94 1:06.1444.94
Zuidplas Open 2017 Final 14 53.67 1:17.95 1:33.5257.51DNF1:22.8353.67