123Chelsea's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| TOYOTA SYSTEMS Programming Contest 2023(AtCoder Beginner Contest 330) | 8815 | - | - | - | ||
| Toyota Programming Contest 2024#7（AtCoder Beginner Contest 362） | 11093 | 38 |  2 |
- | ||
| AtCoder Beginner Contest 363 | 10606 | - | - | - | ||
| AtCoder Beginner Contest 366 | 10641 | - | - | - | ||
| AtCoder Beginner Contest 380 | 9091 | 135 | 12 |
+10 | ||
| Daiwa Securities Co. Ltd. Programming Contest 2024（AtCoder Beginner Contest 383） | 6267 | - | - | - | ||
| AtCoder Regular Contest 189 (Div. 2) | 981 | - | - | - |