4 Kyu
JXR_Kalcium 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| Codeforces ID | JXR |
| Affiliation | Zhongshan Agile School |
Contest Status
| Rank | 9880th |
|---|---|
| Rating |  1204
|
| Highest Rating | 1204
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4 Kyu
(+196 to promote)
|
| Rated Matches | 56 |
| Last Competed | 2026/01/17 |