OShik's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Japanese Student Championship 2021 | 50 | 2400 |  1200 |
- | ||
| AtCoder Regular Contest 117 | 1192 | 1266 |  1194 |
-6 | ||
| AtCoder Beginner Contest 199（Sponsored by Panasonic） | 129 | 2400 |  1586 |
+392 | ||
| AtCoder Beginner Contest 210 | 802 | 1593 | 1572 |
-14 | ||
| AtCoder Regular Contest 158 | 1671 | - | - | - | ||
| AtCoder Beginner Contest 294 | 18 | 2400 |  1764 |
+192 |