Chen_HaiBing's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 403 | 3313 | 841 |  60 |
- | ||
| AtCoder Beginner Contest 404 | 3553 | 888 |  199 |
+139 | ||
| AtCoder Beginner Contest 405 | 10022 | 159 | 179 |
-20 |