7 Kyu
seratna 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1997 |
| Twitter ID | @seratna_problem |
| Affiliation | Tohoku University |
Contest Status
| Rank | 22058th |
|---|---|
| Rating | 631 |
| Highest Rating | 761 ― 7 Kyu (+39 to promote) |
| Rated Matches | 71 |
| Last Competed | 2022/10/15 |