4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| a.medhat | 4 | 1739 | 790 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.014 | 0.178 | 0.208 | 27.7 | -37 | 41 | 1268 | 1231 | 6490 |
| initial | 0.068 | 0.183 | 0.202 | 22.0 | -28 | 32 | 1260 | 1233 | 6521 |
| EloSRM | 0.009 | 0.201 | 0.237 | 53.8 | -37 | 121 | 1776 | 1739 | 6359 |
| Odd | 0.029 | 0.201 | 0.236 | 53.7 | -30 | 124 | 1636 | 1607 | 6423 |
| SRM | -0.307 | 0.321 | 0.367 | 102.5 | -205 | -1 | 995 | 790 | 7566 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-09-10 | SRM 448 | 2 | 691 | 535.67 | -0.37 | -37 | 1739 | 6359 | -69 | 790 | 7566 |
| 3 | 2009-03-04 | TCO09 Qual 3 | 1 | 733 | 837.52 | 0.19 | 49 | 1776 | 6244 | -1 | 859 | 8761 |
| 2 | 2009-02-28 | TCO09 Qual 2 | 1 | 1192 | 1,177.57 | -0.02 | 8 | 1727 | 6684 | -135 | 860 | 8663 |
| 1 | 2009-02-24 | TCO09 Qual 1 | 1 | 984 | 1,153.07 | 0.23 | 121 | 1719 | 6705 | -205 | 995 | 6323 |