Backspace_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 2852 | 1107 |  117 |
- | ||
| AtCoder Beginner Contest 444 | 4285 | 946 |  296 |
+179 | ||
| AtCoder Beginner Contest 449 | 10280 | 51 | 202 |
-94 | ||
| AtCoder Beginner Contest 452 | 3571 | 1049 |  369 |
+167 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 1452 | 1464 |  650 |
+281 | ||
| AtCoder Beginner Contest 458 | 1926 | 1382 |  802 |
+152 | ||
| AtCoder Beginner Contest 460 | 2842 | 1215 | 872 |
+70 |