In the past year (2025), Yasunari Kumekawa (粂川泰成) competed in 8 competitions and 23 rounds across 11 events, from Mar 20th to Dec 14th.
Podiums
He has been on the podium 2 times across 1 event, and both were silvers.
| Event | Gold | Silver | Bronze |
| Square-1 | | 2 | |
Solves/Attempts
He attempted 99 solves and completed 99.
| Event | Solves | Attempts |
| 3x3x3 Cube | 25 | 25 |
| Square-1 | 25 | 25 |
| Megaminx | 10 | 10 |
| 7x7x7 Cube | 9 | 9 |
| 6x6x6 Cube | 6 | 6 |
| 2x2x2 Cube | 5 | 5 |
| 5x5x5 Cube | 5 | 5 |
| Pyraminx | 5 | 5 |
| Skewb | 5 | 5 |
| 3x3x3 Fewest Moves | 3 | 3 |
| 3x3x3 Multi-Blind | 1 | 1 |
Personal Bests
He broke his personal best 30 times across 11 events, including 15 singles and 15 averages.
| Event | Times | Single | Average |
| Square-1 | 5 | 2 | 3 |
| 6x6x6 Cube | 4 | 2 | 2 |
| 7x7x7 Cube | 4 | 2 | 2 |
| Megaminx | 4 | 2 | 2 |
| 3x3x3 Cube | 2 | 1 | 1 |
| 2x2x2 Cube | 2 | 1 | 1 |
| 5x5x5 Cube | 2 | 1 | 1 |
| 3x3x3 Fewest Moves | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 3x3x3 Multi-Blind | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Square-1 | 8.59 | 6.48 | 2.11 (32.56%) |
| 3x3x3 Cube | 10.92 | 10.60 | 0.32 (3.02%) |
| 6x6x6 Cube | - | 2:15.71 | - |
| 7x7x7 Cube | - | 3:22.07 | - |
| Megaminx | - | 1:14.56 | - |
| 2x2x2 Cube | - | 5.05 | - |
| 5x5x5 Cube | - | 1:23.05 | - |
| 3x3x3 Fewest Moves | - | 22 | - |
| Pyraminx | - | 5.05 | - |
| Skewb | - | 6.29 | - |
| 3x3x3 Multi-Blind | - | 2/3 14:30 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Square-1 | 9.40 | 8.09 | 1.31 (16.19%) |
| 3x3x3 Cube | 12.96 | 11.49 | 1.47 (12.79%) |
| 6x6x6 Cube | - | 2:22.28 | - |
| 7x7x7 Cube | - | 3:33.10 | - |
| Megaminx | - | 1:25.99 | - |
| 2x2x2 Cube | - | 6.71 | - |
| 5x5x5 Cube | - | 1:28.24 | - |
| 3x3x3 Fewest Moves | - | 27.00 | - |
| Pyraminx | - | 7.14 | - |
| Skewb | - | 8.89 | - |
Cubers
He met 664 cubers from 27 countries/regions, 170 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 494 |
| 2 | 75 |
| 3 | 37 |
| 4 | 24 |
| 5 | 12 |
| 6 | 11 |
| 7 | 7 |
| 8 | 4 |
| All | 664 |
Regions
He competed in 1 country/region.
