3.51 The challenge must be met if the rating system is to succeed, if it is to produce ratings that will satisfy the players and the users of the rating list.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Mostafa Ahmed | 2 | 1688 | 639 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.315 | 0.315 | 0.323 | 53.0 | -73 | -33 | 1519 | 1486 | 11726 |
| EloSRM | -0.346 | 0.346 | 0.359 | 66.4 | -92 | -41 | 1728 | 1688 | 11628 |
| initial | -0.406 | 0.406 | 0.413 | 48.9 | -58 | -40 | 1142 | 1102 | 11862 |
| SRMFix | -0.418 | 0.418 | 0.442 | 88.2 | -130 | -46 | 1070 | 1024 | 12125 |
| SRM | -0.990 | 0.990 | 1.069 | 280.5 | -406 | -155 | 794 | 639 | 10939 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2013-07-27 | SRM 586 | 2 | 751 | 732.78 | -0.25 | -41 | 1688 | 11628 | -155 | 639 | 10939 |
| 1 | 2013-07-19 | SRM 585 | 2 | 1170 | 861.60 | -0.44 | -92 | 1728 | 10705 | -406 | 794 | 9012 |