Na2S2O3's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 418 | 5353 | 651 |  37 |
- | ||
| AtCoder Beginner Contest 419 | 2850 | 1056 |  207 |
+170 | ||
| AtCoder Beginner Contest 439 | 2920 | 1046 |  400 |
+193 | ||
| AtCoder Beginner Contest 447 | 2505 | 1172 |  589 |
+189 |