Kochang's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) | 6663 | - | - | - | ||
| AtCoder Regular Contest 153 | 2219 | 917 |  73 |
- | ||
| UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) | 6271 | 109 | 77 |
+4 | ||
| UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) | 6278 | 147 | 86 |
+9 | ||
| AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 4430 | 474 |  129 |
+43 | ||
| AtCoder Beginner Contest 293 | 5869 | 324 | 152 |
+23 | ||
| AtCoder Beginner Contest 295 | 5742 | 325 | 172 |
+20 |