4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| SerenaWaldorf | 5 | 2230 | 1113 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.432 | 1.545 | 3.042 | 115.1 | -16 | 377 | 2230 | 2230 | 4357 |
| initial | 1.445 | 1.546 | 3.080 | 186.1 | -25 | 827 | 2070 | 2070 | 2684 |
| SRMFix | 1.426 | 1.563 | 3.077 | 116.8 | -67 | 413 | 1634 | 1634 | 4181 |
| SRM | 1.040 | 1.675 | 3.085 | 132.2 | -288 | 287 | 1113 | 1113 | 4797 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2011-11-29 | SRM 525 | 2 | 6 | 660.24 | 6.78 | 377 | 2230 | 4357 | 287 | 1113 | 4797 |
| 4 | 2011-10-25 | SRM 522 | 2 | 511 | 462.41 | -0.14 | -5 | 1853 | 7755 | -34 | 826 | 8230 |
| 3 | 2011-10-13 | SRM 521 | 2 | 630 | 737.51 | 0.23 | 70 | 1857 | 7664 | -24 | 860 | 7693 |
| 2 | 2011-02-01 | SRM 496 | 2 | 491 | 662.69 | 0.43 | 108 | 1787 | 7218 | -28 | 884 | 6503 |
| 1 | 2011-01-27 | SRM 495 | 2 | 823 | 747.78 | -0.14 | -16 | 1679 | 8205 | -288 | 912 | 6128 |