4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Polichka | 4 | 1829 | 797 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.148 | 0.350 | 0.431 | 42.1 | -42 | 90 | 1271 | 1271 | 6741 |
| SRMFix | 0.137 | 0.380 | 0.465 | 65.4 | -94 | 127 | 1249 | 1249 | 6906 |
| EloSRM | 0.210 | 0.405 | 0.489 | 93.6 | -55 | 202 | 1829 | 1829 | 6906 |
| SRM | -0.258 | 0.570 | 0.734 | 116.2 | -374 | 27 | 853 | 797 | 7675 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-03-19 | SRM 500 | 2 | 568 | 734.43 | 0.37 | 111 | 1829 | 6906 | 4 | 797 | 7675 |
| 3 | 2008-11-25 | SRM 427 | 2 | 425 | 384.99 | -0.14 | -7 | 1718 | 6832 | -60 | 793 | 9635 |
| 2 | 2008-11-12 | SRM 425 | 2 | 383 | 694.70 | 0.86 | 202 | 1725 | 6739 | 27 | 853 | 8709 |
| 1 | 2008-10-02 | SRM 420 | 2 | 628 | 528.54 | -0.25 | -55 | 1523 | 10173 | -374 | 826 | 9357 |