ObaidaNa's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 206（Sponsored by Panasonic） | 8110 | 62 | 3 | - | ||
| AtCoder Regular Contest 134 | 3091 | 141 | 15 | +12 | ||
| AtCoder Beginner Contest 237 | 7307 | 43 | 19 | +4 | ||
| AtCoder Beginner Contest 296 | 3571 | 719 | 67 | +48 |