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 |
|---|---|---|---|
| Don-Roberts | 1 | 1950 | 868 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.382 | 0.382 | 0.382 | 57.2 | -57 | -57 | 1666 | 1666 | 4874 |
| EloSRM | -0.427 | 0.427 | 0.427 | 78.2 | -78 | -78 | 1950 | 1950 | 4766 |
| initial | -0.434 | 0.434 | 0.434 | 52.3 | -52 | -52 | 1148 | 1148 | 4875 |
| SRMFix | -0.449 | 0.449 | 0.449 | 105.2 | -105 | -105 | 1095 | 1095 | 4917 |
| SRM | -0.964 | 0.964 | 0.964 | 332.0 | -332 | -332 | 868 | 868 | 4120 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2017-08-24 | SRM 720 | 2 | 208 | 189.69 | -0.43 | -78 | 1950 | 4766 | -332 | 868 | 4120 |