4 Kyu
Allen123456hello 
| Country/Region |  China |
|---|---|
| Birth Year | 1980 |
| Codeforces ID | AllenOSDev |
| Affiliation | NFLSJC |
Contest Status
| Rank | 8942nd |
|---|---|
| Rating |  1239
|
| Highest Rating |  1311
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4 Kyu
(+89 to promote)
|
| Rated Matches | 17 |
| Last Competed | 2025/08/30 |