14 Kyu
chang___bd 
| Country/Region |  China |
|---|---|
| Birth Year | 1949 |
| X(Twitter) ID | @CPOA |
| TopCoder ID | CPOAUTH-9059D639 |
| Codeforces ID | CPOAUTH-9059D639 |
| Affiliation | CPOAUTH-03C151D5 |
Contest Status
| Rank | 91224th |
|---|---|
| Rating |  20
(Provisional) |
| Highest Rating | 20
―
14 Kyu
|
| Rated Matches | 5 |
| Last Competed | 2026/02/28 |