6 Kyu
mason111 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| Codeforces ID | shiziyu111 |
| Affiliation | a certain school |
Contest Status
| Rank | 18455th |
|---|---|
| Rating |  863
|
| Highest Rating | 863
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6 Kyu
(+137 to promote)
|
| Rated Matches | 27 |
| Last Competed | 2025/12/20 |