PQChiang's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 197（Sponsored by Panasonic） | 4290 | 516 |  27 |
- | ||
| AtCoder Beginner Contest 198 | 4544 | 517 | 83 |
+56 |