Umbra's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 014 | 53 | 2860 |  1660 |
- |
Umbra's Competition History| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 014 | 53 | 2860 | 1660 |
- |