In the past year (2025), Kaisei Kawamura (河村海星) competed in 3 competitions and 10 rounds across 5 events, from Jun 15th to Sep 15th.
Solves/Attempts
He attempted 50 solves and completed 49.
| Event | Solves | Attempts |
| 3x3x3 Cube | 20 | 20 |
| Square-1 | 10 | 10 |
| 4x4x4 Cube | 9 | 10 |
| 2x2x2 Cube | 5 | 5 |
| Pyraminx | 5 | 5 |
Personal Bests
He broke his personal best 16 times across 5 events, including 9 singles and 7 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 7 | 4 | 3 |
| Square-1 | 3 | 2 | 1 |
| 2x2x2 Cube | 2 | 1 | 1 |
| 4x4x4 Cube | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 12.42 | - |
| Square-1 | - | 20.71 | - |
| 2x2x2 Cube | - | 4.16 | - |
| 4x4x4 Cube | - | 52.80 | - |
| Pyraminx | - | 4.86 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 14.05 | - |
| Square-1 | - | 25.83 | - |
| 2x2x2 Cube | - | 5.58 | - |
| 4x4x4 Cube | - | 55.55 | - |
| Pyraminx | - | 8.04 | - |
Cubers
He met 271 cubers from 15 countries/regions, 86 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 185 |
| 2 | 59 |
| 3 | 27 |
| All | 271 |
Regions
He competed in 1 country/region.
