Hasen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 433 | 9424 | 59 |  3 |
- | ||
| Ｓｋｙ Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) | 7355 | 143 | 15 |
+12 | ||
| AtCoder Beginner Contest 435 | 9833 | 45 | 19 |
+4 | ||
| AtCoder Beginner Contest 438 | 5664 | 599 | 59 |
+40 | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 9909 | - | - | - | ||
| JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) | 9872 | 47 | 55 |
-4 |