Mather's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 439 | 8140 | 138 |  7 |
- | ||
| AtCoder Beginner Contest 440 | 10037 | - | - | - | ||
| AtCoder Beginner Contest 447 | 7730 | 222 | 28 |
+21 |