ifrsd's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 774 | 1725 |  525 |
- | ||
| JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) | 1680 | 1390 |  815 |
+290 |