Jakka Chang

Region WCA ID Gender Competitions Completed Solves
Netherlands 2014CHAN17 Male 13 302

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 129 3436 12810 9.40 10.50 8247 2210 86
2x2x2 Cube 666 15645 54184 4.63 5.57 34680 9996 414
4x4x4 Cube 150 3751 13268 46.23 49.79 10606 3004 116
5x5x5 Cube 119 2746 9233 1:31.77 1:36.80 7930 2332 100
3x3x3 One-Handed 117 3793 14255 21.06 26.39 14783 3862 119
Pyraminx 563 14303 44912 8.58 11.75 39146 12515 488
Square-1 221 4995 15089 44.94 1:17.95 15184 4961 208
Competition Round Place Single Average Solves
3x3x3 Cube
Dutch Nationals 2024 Semi Final 72 10.82 11.74 12.0511.3017.0311.8810.82
Second round 65 9.40 11.33 12.7510.419.4013.8910.84
First round 61 9.41 10.99 11.4413.7810.539.4110.99
Dutch Winter South 2024 Second round 31 10.46 11.12 11.1211.6214.2410.6210.46
First round 35 11.45 12.07 11.5211.4513.3911.8512.85
Dutch Open 2023 Second round 36 9.60 12.03 13.9313.4310.7011.969.60
First round 24 9.74 10.50 9.7410.7010.3510.4611.24
Capelle Cubing 2023 Second round 48 9.87 13.10 15.6811.0313.139.8715.14
First round 45 9.49 13.14 15.079.4916.5610.9713.37
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
Dutch Nationals 2024 First round 93 47.42 54.16 1:17.2547.4251.741:03.1447.61
Dutch Winter South 2024 First round 41 53.97 1:02.86 1:01.191:05.8453.971:01.561:06.76
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 2024 First round 69 1:31.77 1:36.80 1:36.441:31.771:36.361:37.721:37.59
Dutch Open 2023 Final 38 1:37.20 1:50.24 1:57.081:56.931:50.511:43.291:37.20
Capelle Cubing 2023 Final 36 1:46.48 1:53.39 1:55.401:55.401:46.482:02.131:49.38
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 2024 Final 76 21.88 28.53 23.1734.4230.2932.1221.88
Dutch Open 2023 Final 31 21.06 26.39 21.0625.3425.2030.6028.64
Capelle Cubing 2023 Final 42 28.99 31.53 31.3832.8928.9941.7730.33
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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