Haliburton's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 440 | 74 | 2400 |  1200 |
- | ||
| AtCoder Regular Contest 212 (Div. 2) | 297 | 2026 |  1473 |
+273 | ||
| AtCoder Regular Contest 215 | 127 | 2426 |  1754 |
+281 |