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 |
|---|---|---|---|
| Rouah | 3 | 1769 | 965 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.506 | 0.597 | 0.731 | 113.5 | -23 | 250 | 1494 | 1494 | 1491 |
| EloSRM | 0.567 | 0.660 | 0.816 | 146.9 | -35 | 330 | 1769 | 1769 | 1538 |
| Odd | 0.585 | 0.685 | 0.841 | 150.7 | -35 | 340 | 1708 | 1708 | 1545 |
| SRM | 0.367 | 0.703 | 0.766 | 183.0 | -392 | 82 | 1275 | 965 | 2256 |
| initial | 0.688 | 0.736 | 0.879 | 88.6 | -9 | 144 | 1448 | 1448 | 1532 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2005-04-18 | SRM 239 | 2 | 59 | 86.07 | 0.55 | 76 | 1769 | 1538 | 82 | 965 | 2256 |
| 2 | 2005-04-02 | SRM 236 | 1 | 205 | 186.54 | -0.14 | -35 | 1693 | 1724 | -392 | 883 | 2576 |
| 1 | 2005-03-22 | SRM 235 | 2 | 75 | 184.21 | 1.30 | 330 | 1728 | 1609 | 75 | 1275 | 996 |