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 68 1936 6882 9.45 11.91 8202 2258 73
2x2x2 Cube 368 9807 33953 4.63 5.57 21002 6033 229
4x4x4 Cube 85 2329 8390 46.23 49.79 6594 1850 65
5x5x5 Cube 64 1799 6157 1:33.62 1:48.82 7124 2069 75
3x3x3 One-Handed 67 2677 10215 21.91 26.96 10246 2616 68
Pyraminx 299 8908 27392 8.58 11.75 24109 7835 260
Square-1 125 3027 9384 44.94 1:17.95 9568 3033 119
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
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