In the past year (2025), Choi Iat Hei (蔡溢希) competed in 3 competitions and 6 rounds across 2 events, from Jun 15th to Nov 9th.
Solves/Attempts
He attempted 30 solves and completed 30.
| Event | Solves | Attempts |
| 3x3x3 Cube | 15 | 15 |
| 2x2x2 Cube | 15 | 15 |
Personal Bests
He broke his personal best 7 times across 2 events, including 4 singles and 3 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 5 | 3 | 2 |
| 2x2x2 Cube | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 21.64 | 13.24 | 8.40 (63.44%) |
| 2x2x2 Cube | - | 3.49 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 24.96 | 16.66 | 8.30 (49.82%) |
| 2x2x2 Cube | - | 4.65 | - |
Cubers
He met 475 cubers from 10 countries/regions, 94 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 381 |
| 2 | 88 |
| 3 | 6 |
| All | 475 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| China | 2 |
| Hong Kong | 1 |
Cities
In China, he visited 3 cities while competing.
| City | Times |
| Hong Kong | 1 |
| Zhuhai | 1 |
| Guangzhou | 1 |
