5 Dan
Rubikun 
| Country/Region |  Japan |
|---|---|
| TopCoder ID | Rubikun |
| Codeforces ID | Rubikun |
| Affiliation | blessing software |
Contest Status
| Rank | 49th (Top 0.04%) |
|---|---|
| Rating | 2969 |
| Highest Rating | 2969 ― 5 Dan (+31 to promote) |
| Rated Matches | 139 |
| Last Competed | 2026/05/31 |