In the past year (2025), Yi-Hsin Chou (周奕昕) competed in 4 competitions and 13 rounds across 10 events, from Jun 27th to Dec 21st.
Solves/Attempts
He attempted 47 solves and completed 43.
| Event | Solves | Attempts |
| 3x3x3 Cube | 20 | 20 |
| 2x2x2 Cube | 5 | 5 |
| Pyraminx | 5 | 5 |
| Skewb | 5 | 5 |
| 5x5x5 Cube | 2 | 2 |
| 3x3x3 One-Handed | 2 | 2 |
| Clock | 2 | 2 |
| Square-1 | 2 | 2 |
| 7x7x7 Cube | 0 | 1 |
| 3x3x3 Blindfolded | 0 | 3 |
Personal Bests
He broke his personal best 16 times across 8 events, including 10 singles and 6 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 6 | 3 | 3 |
| 2x2x2 Cube | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
| 3x3x3 One-Handed | 1 | 1 | 0 |
| Clock | 1 | 1 | 0 |
| Square-1 | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 11.33 | - |
| 2x2x2 Cube | - | 5.69 | - |
| Pyraminx | - | 14.40 | - |
| Skewb | - | 21.80 | - |
| 5x5x5 Cube | - | 3:19.23 | - |
| 3x3x3 One-Handed | - | 27.81 | - |
| Clock | - | 43.25 | - |
| Square-1 | - | 1:30.84 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 13.53 | - |
| 2x2x2 Cube | - | 6.79 | - |
| Pyraminx | - | 18.08 | - |
| Skewb | - | 25.29 | - |
Cubers
He met 657 cubers from 14 countries/regions, 208 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 449 |
| 2 | 127 |
| 3 | 74 |
| 4 | 7 |
| All | 657 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| New Taipei City | 2 |
| Taipei | 2 |
