begin_er's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 043 | 1967 | 339 |  17 |
- | ||
| AtCoder Beginner Contest 453 | 10425 | 55 | 23 |
+6 | ||
| AtCoder Regular Contest++ 221 | 449 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10601 | 54 | 28 |
+5 | ||
| Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464) | 9426 | - | - | - |