Shanghai's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 419 | 5208 | 685 |  41 |
- | ||
| AtCoder Beginner Contest 421 | 2026 | 1225 |  278 |
+237 | ||
| AtCoder Beginner Contest 422 | 3008 | 669 |  347 |
+69 |