CHISF's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 181 | 4012 | 447 |  22 |
- | ||
| AtCoder Regular Contest 146 | 3014 | 118 | 37 |
+15 | ||
| AtCoder Regular Contest 147 | 2299 | 152 | 53 |
+16 |