Beijing's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 417 | 9661 | 145 |  7 |
- | ||
| AtCoder Beginner Contest 420 | 8658 | 173 | 25 |
+18 | ||
| AtCoder Beginner Contest 421 | 10247 | 53 | 29 |
+4 |