6 Dan
Rubikun 
| Country/Region |  Japan |
|---|---|
| TopCoder ID | Rubikun |
| Codeforces ID | Rubikun |
| Affiliation | blessing software |
Contest Status
| Rank | 41st (Top 0.03%) |
|---|---|
| Rating | 3020 |
| Highest Rating | 3020 ― 6 Dan (+180 to promote) |
| Rated Matches | 140 |
| Last Competed | 2026/08/30 |