kb_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 017 | 352 | 1916 |  716 |
- | ||
| AtCoder Beginner Contest 070 | 30 | 1600 |  1015 |
+299 | ||
| AtCoder Grand Contest 019 | 354 | 2017 |  1317 |
+302 | ||
| AtCoder Beginner Contest 144 | 379 | 1786 |  1414 |
+97 | ||
| Sumitomo Mitsui Trust Bank Programming Contest 2019 | 1345 | 1110 | 1353 |
-61 |