buchan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 058 | 361 | 488 |  25 |
- | ||
| AtCoder Beginner Contest 163 | 7409 | - | - | - | ||
| AtCoder Beginner Contest 164 | 9846 | 98 | 37 |
+12 | ||
| AtCoder Beginner Contest 197（Sponsored by Panasonic） | 5382 | 274 | 64 |
+27 | ||
| AtCoder Beginner Contest 198 | 7765 | 34 | 55 |
-9 | ||
| ZONe Energy Programming Contest | 6918 | 9 | 41 |
-14 |