In the past year (2025), Yusuke Kosaka (髙阪優輔) competed in 12 competitions and 13 rounds across 7 events, from Feb 16th to Dec 6th.
Solves/Attempts
He attempted 53 solves and completed 43.
| Event | Solves | Attempts |
| Pyraminx | 13 | 15 |
| 3x3x3 Fewest Moves | 9 | 12 |
| 2x2x2 Cube | 5 | 5 |
| Clock | 5 | 5 |
| Megaminx | 5 | 5 |
| Skewb | 5 | 5 |
| 3x3x3 Blindfolded | 1 | 6 |
Personal Bests
He broke his personal best 16 times across 6 events, including 9 singles and 7 averages.
| Event | Times | Single | Average |
| 3x3x3 Fewest Moves | 5 | 3 | 2 |
| Pyraminx | 5 | 3 | 2 |
| Megaminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 3x3x3 Blindfolded | 1 | 1 | 0 |
| Clock | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Fewest Moves | 38 | 26 | 12 (46.15%) |
| 3x3x3 Blindfolded | 1:45.74 | 1:35.88 | 9.86 (10.28%) |
| Pyraminx | - | 9.41 | - |
| Megaminx | - | 1:42.52 | - |
| Skewb | - | 6.74 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Fewest Moves | 40.00 | 29.33 | 10.67 (36.38%) |
| Clock | 21.67 | 16.13 | 5.54 (34.35%) |
| Pyraminx | - | 12.61 | - |
| Megaminx | - | 1:53.93 | - |
| Skewb | - | 8.29 | - |
Cubers
He met 719 cubers from 30 countries/regions, 189 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 530 |
| 2 | 81 |
| 3 | 41 |
| 4 | 25 |
| 5 | 13 |
| 6 | 12 |
| 7 | 7 |
| 8 | 3 |
| 9 | 4 |
| 10 | 3 |
| All | 719 |
Regions
He competed in 1 country/region.
