9 Kyu
P_K_Koo 
| Country/Region |  China |
|---|---|
| Birth Year | 2002 |
| X(Twitter) ID | @2_UPKo6 |
| TopCoder ID | 477 |
| Codeforces ID | Koo_Pung-Kei |
| Affiliation | 香港上海銀行ホールディングス・HSDC |
Contest Status
| Rank | 40935th |
|---|---|
| Rating |  301
|
| Highest Rating | 362
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9 Kyu
|
| Rated Matches | 16 |
| Last Competed | 2025/07/05 |