7 Kyu
Derek0919 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| TopCoder ID | derek0919 |
| Codeforces ID | xuyuanyuan |
| Affiliation | Jiangly Fan Club |
Contest Status
| Rank | 20228th |
|---|---|
| Rating | 689 |
| Highest Rating | 689 ― 7 Kyu (+111 to promote) |
| Rated Matches | 28 |
| Last Competed | 2024/02/24 |