staff's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 458 | 7504 | 441 |  22 |
- | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 1493 | 1473 |  352 |
+330 | ||
| AtCoder Beginner Contest 460 | 214 | 2167 |  1066 |
+714 | ||
| CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) | 119 | 2400 |  1474 |
+408 |