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 35 1284 4738 9.45 11.91 5624 1505 38
2x2x2 Cube 246 7515 26862 4.63 5.57 16316 4489 157
4x4x4 Cube 51 1659 6290 46.23 49.79 4812 1280 39
5x5x5 Cube 44 1257 4561 1:33.62 1:48.82 5387 1495 48
3x3x3 One-Handed 56 2147 8366 21.91 26.96 8398 2110 58
Pyraminx 206 6832 21669 8.58 11.75 19066 5966 181
Square-1 92 2283 7298 44.94 1:17.95 7594 2367 91
Competition Round Place Single Average Solves
3x3x3 Cube
Assen Open 2018 Second 13 10.23 12.23 13.7710.2312.3313.4810.89
First 11 9.45 11.91 9.4512.7510.4316.6712.55
Dutch Nationals 2017 Second 17 10.60 12.23 11.5612.1517.0012.9810.60
First 18 11.30 12.22 12.2412.0713.3712.3611.30
Breda Open 2017 Second 12 10.37 13.49 16.7011.4112.7510.3716.31
First 10 10.77 13.34 15.8812.0613.7514.2110.77
Zuidplas Open 2017 Second 12 11.65 12.45 11.6813.7611.6513.3912.27
First 12 11.61 13.19 12.7215.1911.6118.6711.66
Dutch Nationals 2016 Second 15 12.90 13.72 13.3413.9012.9014.7313.91
First 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 8 12.97 15.26 12.9714.0118.5416.2715.49
First 10 13.07 14.99 13.5915.9613.0715.4218.38
Tulip Open 2016 Second 12 12.78 14.71 15.3215.4413.3616.7912.78
First 15 10.79 14.71 21.1113.1315.7715.2410.79
Dutch Nationals 2015 Second 19 11.28 14.90 14.8211.2821.0714.2515.63
First 25 13.78 15.66 15.1115.5417.9013.7816.33
Dutch Nationals 2014 Second 29 20.05 24.25 21.5926.9220.0524.2330.24
First 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 Combined Final 10 46.23 49.79 52.9753.1446.2347.3649.04
Dutch Nationals 2017 Combined Final 18 52.73 55.78 52.7352.7754.391:05.721:00.17
Zuidplas Open 2017 Combined Final 13 55.84 58.78 56.031:03.6656.6555.841:04.22
Dutch Nationals 2016 Combined 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 Combined Final 12 1:04.86 1:15.73 1:04.861:09.851:25.951:19.791:17.54
Dutch Nationals 2015 Combined Final 23 1:09.45 1:13.86 1:21.731:18.971:13.091:09.521:09.45
5x5x5 Cube
Dutch Nationals 2017 Combined 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 Combined 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 Combined Final 29 3:40.48 3:40.483:42.97
3x3x3 One-Handed
Dutch Nationals 2017 Combined Final 21 22.25 28.02 32.4724.21DNF27.3922.25
Breda Open 2017 Combined 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 Combined 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 Combined Final 11 30.87 33.39 32.7930.8733.4335.2633.94
Dutch Nationals 2015 Combined 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 Combined Final 23 55.41 55.41DNF
Dutch Nationals 2017 Combined Final 22 44.94 1:06.1444.94
Zuidplas Open 2017 Combined Final 14 53.67 1:17.95 1:33.5257.51DNF1:22.8353.67