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5 Dan
riantkb 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1995 |
| X(Twitter) ID | @rian_tkb |
| TopCoder ID | rian |
| Codeforces ID | riantkb |
| Affiliation | Future Corporation |
Contest Status
| Rank | 95th |
|---|---|
| Rating | 2829 |
| Highest Rating | 2875 ― 5 Dan (+125 to promote) |
| Rated Matches | 90 |
| Last Competed | 2025/10/05 |