shellchen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 409 | 948 | 1567 |  368 |
- | ||
| AtCoder Beginner Contest 435 | 530 | 1787 |  943 |
+575 | ||
| AtCoder Beginner Contest 436 | 589 | 1790 |  1182 |
+239 |