Backlight's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Hitachi Hokudai Lab. & Hokkaido University Contest 2020 | 122 | - | - | - | ||
| AtCoder Heuristic Contest 002 | 451 | 1220 |  255 |
- | ||
| AtCoder Heuristic Contest 004 | 604 | - | - | - | ||
| AtCoder Heuristic Contest 011 | 926 | - | - | - | ||
| 12th Asprova Programming Contest（AtCoder Heuristic Contest 053） | 1019 | - | - | - |