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ChiefAlderman's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 433 | 6570 | 466 |  23 |
- | ||
| AtCoder Beginner Contest 435 | 6184 | 491 | 76 |
+53 | ||
| AtCoder Beginner Contest 436 | 6336 | 515 |  129 |
+53 | ||
| AtCoder Beginner Contest 438 | 5638 | 602 | 188 |
+59 | ||
| Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 10067 | 44 | 148 |
-40 | ||
| AtCoder Beginner Contest 445 | 8642 | - | - | - | ||
| AtCoder Beginner Contest 446 | 8278 | 44 | 123 |
-25 | ||
| AtCoder Regular Contest 215 | 1127 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10601 | 54 | 108 |
-15 |