1 Dan
yamadanull 
| Country/Region |  Japan |
|---|---|
| X(Twitter) ID | @yamada_null |
| Codeforces ID | yamadanull |
| Affiliation | Wagnaria |
Contest Status
| Rank | 1681st |
|---|---|
| Rating |  1996
|
| Highest Rating |  2022
―
1 Dan
(+178 to promote)
|
| Rated Matches | 111 |
| Last Competed | 2025/12/28 |