kosnakam's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 440 | 3455 | 1019 |  94 |
- | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 6181 | 569 |  170 |
+76 |