4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| iit2009098 | 4 | 1767 | 650 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.095 | 0.147 | 0.222 | 17.7 | -52 | 9 | 1154 | 1154 | 10566 |
| Odd | -0.012 | 0.157 | 0.195 | 48.8 | -66 | 56 | 1590 | 1590 | 9688 |
| SRMFix | -0.070 | 0.173 | 0.251 | 35.7 | -112 | 16 | 1117 | 1117 | 10275 |
| EloSRM | -0.009 | 0.177 | 0.218 | 54.6 | -84 | 62 | 1767 | 1767 | 9758 |
| SRM | -0.380 | 0.435 | 0.633 | 137.5 | -419 | -6 | 781 | 650 | 11023 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2012-12-12 | SRM 564 | 2 | 569 | 640.32 | 0.17 | 62 | 1767 | 9758 | -6 | 650 | 11023 |
| 3 | 2011-12-17 | SRM 527 | 2 | 842 | 854.50 | 0.02 | 22 | 1706 | 9571 | -59 | 656 | 10599 |
| 2 | 2011-07-13 | SRM 512 | 2 | 932 | 1,029.59 | 0.14 | 51 | 1684 | 9285 | -66 | 715 | 9547 |
| 1 | 2011-07-02 | SRM 511 | 2 | 1021 | 892.26 | -0.37 | -84 | 1633 | 9930 | -419 | 781 | 8523 |