5 Dan
riantkb 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1995 |
| Twitter ID | @rian_tkb |
| TopCoder ID | rian |
| Codeforces ID | riantkb |
| Affiliation | Future Corporation |
Contest Status
| Rank | 78th |
|---|---|
| Rating | 2875 |
| Highest Rating | 2875 ― 5 Dan (+125 to promote) |
| Rated Matches | 88 |
| Last Competed | 2023/08/13 |