Jakka Chang
Compétition(s) : 14
Pays visité(s) : 1 - voir la carte
Première compétition : DutchNationals2014 (2014-09-28)
Dernières compétitions : Rubik's Dutch Nationals 2025 (2025-09-05) Dutch Nationals 2024 (2024-11-15) Dutch Winter South 2024 (2024-01-13)
PR Streak : 9
Records Personnel
| Épreuve | Single | Rank NL | Rank W | Moyenne | Rank NL | Rank W |
|---|
| 333 | 8.12 | 88 | 8469 | 9.86 | 74 | 7801 |
| 222 | 4.63 | 769 | 64441 | 5.57 | 500 | 41597 |
| 444 | 46.23 | 183 | 16590 | 49.79 | 151 | 13533 |
| 555 | 1:29.08 | 132 | 10779 | 1:36.80 | 126 | 10171 |
| 333oh | 20.07 | 127 | 15160 | 22.72 | 92 | 11692 |
| pyram | 8.58 | 645 | 53123 | 11.75 | 568 | 46241 |
| sq1 | 44.94 | 261 | 17857 | 1:17.95 | 256 | 18041 |
Cubing Contests 
| Épreuve | Single | Rank W | Moyenne | Rank W |
|---|
| 3x3x3 Team-Blind | 1:47.01 | 1981 | | |
Évolution par épreuve
Meilleur et plus mauvais single d'une compétion et la meilleure moyenne des tours.
333
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-09-28 | 20.05 | 30.24 | 24.25 | 2005 | 3024 | 2425 |
| 2015-09-27 | 11.28 | 21.07 | 14.90 | 1128 | 2107 | 1490 |
| 2016-03-20 | 10.79 | 21.11 | 14.71 | 1079 | 2111 | 1471 |
| 2016-05-21 | 11.79 | 18.54 | 14.43 | 1179 | 1854 | 1443 |
| 2016-10-01 | 11.45 | 14.73 | 13.18 | 1145 | 1473 | 1318 |
| 2017-04-15 | 11.61 | 18.67 | 12.45 | 1161 | 1867 | 1245 |
| 2017-06-10 | 10.37 | 16.70 | 13.34 | 1037 | 1670 | 1334 |
| 2017-09-23 | 10.60 | 17.00 | 12.22 | 1060 | 1700 | 1222 |
| 2018-03-03 | 9.45 | 16.67 | 11.91 | 945 | 1667 | 1191 |
| 2023-05-14 | 9.49 | 16.56 | 13.10 | 949 | 1656 | 1310 |
| 2023-06-03 | 9.60 | 13.93 | 10.50 | 960 | 1393 | 1050 |
| 2024-01-13 | 10.46 | 14.24 | 11.12 | 1046 | 1424 | 1112 |
| 2024-11-15 | 9.40 | 17.03 | 10.99 | 940 | 1703 | 1099 |
| 2025-09-05 | 8.12 | 13.30 | 9.86 | 812 | 1330 | 986 |
222
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-09-27 | 4.63 | 6.48 | 5.57 | 463 | 648 | 557 |
| 2016-05-21 | 5.57 | 6.98 | 5.81 | 557 | 698 | 581 |
444
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-09-27 | 1:09.45 | 1:21.73 | 1:13.86 | 6945 | 8173 | 7386 |
| 2016-03-20 | 1:04.86 | 1:25.95 | 1:15.73 | 6486 | 8595 | 7573 |
| 2016-05-21 | 1:03.12 | 1:14.10 | 1:11.45 | 6312 | 7410 | 7145 |
| 2016-10-01 | 57.62 | 1:18.79 | 1:05.91 | 5762 | 7879 | 6591 |
| 2017-04-15 | 55.84 | 1:04.22 | 58.78 | 5584 | 6422 | 5878 |
| 2017-09-23 | 52.73 | 1:05.72 | 55.78 | 5273 | 6572 | 5578 |
| 2018-03-03 | 46.23 | 53.14 | 49.79 | 4623 | 5314 | 4979 |
| 2024-01-13 | 53.97 | 1:06.76 | 1:02.86 | 5397 | 6676 | 6286 |
| 2024-11-15 | 47.42 | 1:17.25 | 54.16 | 4742 | 7725 | 5416 |
| 2025-09-05 | 53.77 | 1:04.54 | 58.74 | 5377 | 6454 | 5874 |
555
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-09-27 | 3:40.48 | 3:42.97 | | 22048 | 22297 | |
| 2016-03-20 | 1:56.88 | 2:30.35 | 2:13.11 | 11688 | 15035 | 13311 |
| 2016-10-01 | 1:46.63 | 2:19.23 | 1:52.42 | 10663 | 13923 | 11242 |
| 2017-04-15 | 1:33.62 | 2:12.24 | 1:48.82 | 9362 | 13224 | 10882 |
| 2017-09-23 | 1:46.07 | 2:28.24 | 2:01.53 | 10607 | 14824 | 12153 |
| 2023-05-14 | 1:46.48 | 2:02.13 | 1:53.39 | 10648 | 12213 | 11339 |
| 2023-06-03 | 1:37.20 | 1:57.08 | 1:50.24 | 9720 | 11708 | 11024 |
| 2024-11-15 | 1:31.77 | 1:37.72 | 1:36.80 | 9177 | 9772 | 9680 |
| 2025-09-05 | 1:29.08 | 1:41.26 | 1:38.37 | 8908 | 10126 | 9837 |
333oh
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-09-27 | 24.07 | 44.18 | 31.31 | 2407 | 4418 | 3131 |
| 2016-03-20 | 30.87 | 35.26 | 33.39 | 3087 | 3526 | 3339 |
| 2016-05-21 | 23.95 | 37.76 | 29.63 | 2395 | 3776 | 2963 |
| 2016-10-01 | 21.91 | 40.14 | 31.19 | 2191 | 4014 | 3119 |
| 2017-04-15 | 26.28 | 28.52 | 26.96 | 2628 | 2852 | 2696 |
| 2017-06-10 | 26.30 | 56.78 | 36.70 | 2630 | 5678 | 3670 |
| 2017-09-23 | 22.25 | 32.47 | 28.02 | 2225 | 3247 | 2802 |
| 2023-05-14 | 28.99 | 41.77 | 31.53 | 2899 | 4177 | 3153 |
| 2023-06-03 | 21.06 | 30.60 | 26.39 | 2106 | 3060 | 2639 |
| 2024-11-15 | 21.88 | 34.42 | 28.53 | 2188 | 3442 | 2853 |
| 2025-09-05 | 20.07 | 42.09 | 22.72 | 2007 | 4209 | 2272 |
pyram
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-09-27 | 8.58 | 27.50 | 14.57 | 858 | 2750 | 1457 |
| 2016-03-20 | 9.22 | 15.67 | 11.75 | 922 | 1567 | 1175 |
| 2016-05-21 | 12.08 | 18.65 | 14.63 | 1208 | 1865 | 1463 |
sq1
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2017-04-15 | 53.67 | 1:33.52 | 1:17.95 | 5367 | 9352 | 7795 |
| 2017-09-23 | 44.94 | 1:06.14 | | 4494 | 6614 | |
| 2018-03-03 | 55.41 | 55.41 | | 5541 | 5541 | |
Globe-Trotter
