1 Dan
happyabc 
| Country/Region |  China |
|---|---|
| Birth Year | 2007 |
| Codeforces ID | happyabc |
| Affiliation | Shanghai Huayu Middle School |
Contest Status
| Rank | 891st |
|---|---|
| Rating | 2112 |
| Highest Rating | 2112 ― 1 Dan (+88 to promote) |
| Rated Matches | 23 |
| Last Competed | 2022/05/07 |