1 Dan
Derek 
| Country/Region |  China |
|---|---|
| Birth Year | 2005 |
| Codeforces ID | DerekFeng |
| Affiliation | Jiangsu Xishan Senior High School |
Contest Status
| Rating | 2039 |
|---|---|
| Highest Rating | 2039 ― 1 Dan (+161 to promote) |
| Rated Matches | 77 |
| Last Competed | 2021/07/18 |