kooper's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 469 | 9013 | 224 |  11 |
- | ||
| JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470) | 8290 | 266 | 38 |
+27 | ||
| AtCoder Beginner Contest 471 | 8354 | 338 | 71 |
+33 | ||
| AtCoder Beginner Contest 474 | 5198 | 348 |  102 |
+31 | ||
| AtCoder Beginner Contest 475 | 7248 | 479 | 142 |
+40 | ||
| JIJ Programming Contest 2026（AtCoder Beginner Contest 476） | 6188 | - | - | - | ||
| UNICORNProgramming Contest2026(AtCoder Beginner Contest 477) | 6529 | 539 | 185 |
+43 |