bitcoin's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 127 | 4336 | 251 |  13 |
- | ||
| AtCoder Beginner Contest 128 | 3659 | 436 | 53 |
+40 | ||
| AtCoder Beginner Contest 142 | 4982 | 57 | 51 |
-2 | ||
| AtCoder Beginner Contest 149 | 2741 | - | - | - |