epen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) | 9043 | 159 |  8 |
- | ||
| Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) | 10437 | - | - | - | ||
| UNIQUE VISION Programming Contest 2025 Christmas (AtCoder Beginner Contest 437) | 9092 | 136 | 23 |
+15 | ||
| AtCoder Beginner Contest 438 | 8624 | - | - | - | ||
| AtCoder Beginner Contest 452 | 8744 | 220 | 44 |
+21 | ||
| AtCoder Beginner Contest 453 | 9004 | 220 | 64 |
+20 | ||
| Keysight Technologies Programming Contest（AtCoder Beginner Contest 454） | 8632 | 166 | 76 |
+12 | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 7664 | - | - | - | ||
| AtCoder Beginner Contest 456 | 8681 | 186 | 88 |
+12 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 7703 | 274 |  107 |
+19 | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 9231 | 183 | 116 |
+9 | ||
| AtCoder Beginner Contest 460 | 10026 | 183 | 123 |
+7 |