khzh's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 419 | 1699 | 1317 |  197 |
- | ||
| AtCoder Beginner Contest 420 | 1889 | 1214 |  519 |
+322 | ||
| AtCoder Beginner Contest 421 | 1463 | 1379 |  763 |
+244 |