In the past year (2025), Kai-Hsing Chang (鄭愷行) competed in 2 competitions and 5 rounds across 3 events, from Oct 18th to Dec 21st.
Solves/Attempts
He attempted 17 solves and completed 15.
| Event | Solves | Attempts |
| 3x3x3 Cube | 5 | 5 |
| 3x3x3 Fewest Moves | 5 | 7 |
| Pyraminx | 5 | 5 |
Personal Bests
He broke his personal best 7 times across 3 events, including 4 singles and 3 averages.
| Event | Times | Single | Average |
| 3x3x3 Fewest Moves | 3 | 2 | 1 |
| 3x3x3 Cube | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 10.36 | 5.80 | 4.56 (78.62%) |
| 3x3x3 Cube | 15.12 | 12.54 | 2.58 (20.57%) |
| 3x3x3 Fewest Moves | - | 32 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 12.33 | 9.03 | 3.30 (36.54%) |
| 3x3x3 Cube | 16.61 | 14.04 | 2.57 (18.30%) |
| 3x3x3 Fewest Moves | - | 42.00 | - |
Cubers
He met 304 cubers from 11 countries/regions, 40 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 264 |
| 2 | 40 |
| All | 304 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| New Taipei City | 1 |
| Taipei | 1 |
