buch's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 218 | 1299 | - | - | - | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 7873 | 248 |  12 |
- | ||
| AtCoder Beginner Contest 458 | 8474 | 294 | 42 |
+30 | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 9181 | 188 | 61 |
+19 | ||
| AtCoder Beginner Contest 460 | 8009 | 411 | 97 |
+36 | ||
| AtCoder Beginner Contest 461 | 8344 | 392 |  129 |
+32 | ||
| CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) | 7547 | 423 | 160 |
+31 |