lsson's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Japanese Student Championship 2019 Qualification | 2831 | 388 |  19 |
- | ||
| AtCoder Beginner Contest 139 | 4229 | 377 | 59 |
+40 | ||
| AtCoder Beginner Contest 140 | 3513 | 483 |  108 |
+49 |