In the past year (2023), Yu-Chi Chang (張祐齊) competed in 2 competitions and 6 rounds across 5 events, from Sep 16th to Dec 10th.
Solves/Attempts
He attempted 27 solves and completed 26.
| Event | Solves | Attempts |
| 3x3x3 Cube | 10 | 10 |
| 2x2x2 Cube | 5 | 5 |
| Skewb | 5 | 5 |
| Pyraminx | 4 | 5 |
| Clock | 2 | 2 |
Personal Bests
He broke his personal best 11 times across 5 events, including 6 singles and 5 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 4 | 2 | 2 |
| 2x2x2 Cube | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| Clock | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 13.70 | - |
| 2x2x2 Cube | - | 3.09 | - |
| Pyraminx | - | 10.47 | - |
| Skewb | - | 15.07 | - |
| Clock | - | 17.05 | - |
Improvements of Average
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 15.78 | - |
| 2x2x2 Cube | - | 6.04 | - |
| Pyraminx | - | 11.87 | - |
| Skewb | - | 18.77 | - |
Cubers
He met 622 cubers from 11 countries/regions, 131 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 491 |
| 2 | 131 |
| All | 622 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 1 city while competing.
| City | Times |
| New Taipei City | 2 |
