6 Dan
sigma425 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1995 |
| X(Twitter) ID | @sigma425 |
| TopCoder ID | sigma425 |
| Codeforces ID | sigma425 |
Contest Status
| Rank | 66th |
|---|---|
| Rating | 2901 |
| Highest Rating | 3098 ― 6 Dan (+102 to promote) |
| Rated Matches | 47 |
| Last Competed | 2025/10/05 |