Koogoo's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 203（Sponsored by Panasonic） | 4638 | 486 |  25 |
- | ||
| AtCoder Beginner Contest 204 | 3641 | 738 |  109 |
+84 | ||
| AtCoder Beginner Contest 218 | 5999 | 275 | 132 |
+23 | ||
| AtCoder Beginner Contest 417 | 9375 | 166 | 133 |
+1 |