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 |
|---|---|---|---|
| jpba666 | 1 | 1662 | 989 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.029 | 0.029 | 0.029 | 3.5 | -4 | -4 | 1196 | 1196 | 7087 |
| EloSRM | 0.032 | 0.032 | 0.032 | 39.5 | 40 | 40 | 1662 | 1662 | 7065 |
| SRMFix | -0.084 | 0.084 | 0.084 | 20.5 | -21 | -21 | 1179 | 1179 | 7050 |
| SRM | -0.925 | 0.925 | 0.925 | 211.0 | -211 | -211 | 989 | 989 | 4925 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-08-25 | SRM 447 | 2 | 620 | 634.09 | 0.03 | 40 | 1662 | 7065 | -211 | 989 | 4925 |