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 |
|---|---|---|---|
| rediff | 1 | 2022 | 1063 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.132 | 0.132 | 0.132 | 32.1 | 32 | 32 | 1232 | 1232 | 6441 |
| initial | 0.175 | 0.175 | 0.175 | 21.1 | 21 | 21 | 1221 | 1221 | 6676 |
| EloSRM | 0.218 | 0.218 | 0.218 | 95.1 | 95 | 95 | 2022 | 2022 | 6385 |
| SRM | -0.640 | 0.640 | 0.640 | 137.0 | -137 | -137 | 1063 | 1063 | 4478 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2015-08-25 | SRM 666 | 2 | 237 | 275.71 | 0.22 | 95 | 2022 | 6385 | -137 | 1063 | 4478 |