ChrisHalden's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 445 | 1583 | - | - | - | ||
| AtCoder Regular Contest 215 | 1127 | - | - | - | ||
| AtCoder Beginner Contest 447 | 8884 | - | - | - | ||
| AtCoder Beginner Contest 448 | 4942 | 774 |  51 |
- | ||
| AtCoder Beginner Contest 452 | 80 | 2400 |  1143 |
+1092 | ||
| AtCoder Regular Contest 217 | 907 | - | - | - | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 10243 | - | - | - |