4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| sonjaewon | 1 | 2131 | 909 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.367 | 0.367 | 0.367 | 44.1 | -44 | -44 | 1156 | 1156 | 3316 |
| SRMFix | -0.370 | 0.370 | 0.370 | 87.4 | -87 | -87 | 1113 | 1113 | 3420 |
| EloSRM | -0.388 | 0.388 | 0.388 | 66.3 | -66 | -66 | 2131 | 2131 | 3048 |
| SRM | -1.017 | 1.017 | 1.017 | 291.0 | -291 | -291 | 909 | 909 | 2776 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2020-12-23 | SRM 796 | 2 | 137 | 105.06 | -0.39 | -66 | 2131 | 3048 | -291 | 909 | 2776 |