4 Kyu
JXR_Kalcium 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| Codeforces ID | JXR_Kalcium |
| Affiliation | Zhongshan Agile School |
Contest Status
| Rank | 8396th |
|---|---|
| Rating |  1299
|
| Highest Rating | 1299
―
4 Kyu
(+101 to promote)
|
| Rated Matches | 65 |
| Last Competed | 2026/04/04 |