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7 Kyu
Derek0919 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| TopCoder ID | derek0919 |
| Codeforces ID | xuyuanyuan |
| Affiliation | Jiangly Fan Club |
Contest Status
| Rank | 23235th |
|---|---|
| Rating |  689
|
| Highest Rating | 689
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7 Kyu
(+111 to promote)
|
| Rated Matches | 28 |
| Last Competed | 2024/02/24 |