1 Dan
yamadanull 
| Country/Region |  Japan |
|---|---|
| X(Twitter) ID | @yamada_null |
| Codeforces ID | yamadanull |
| Affiliation | Wagnaria |
Contest Status
| Rank | 1844th |
|---|---|
| Rating |  1055
(Provisional) |
| Highest Rating |  1109
|
| Rated Matches | 4 |
| Last Competed | 2025/08/01 |