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 |
|---|---|---|---|
| achie27 | 1 | 2088 | 1078 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.070 | 0.070 | 0.070 | 17.1 | 17 | 17 | 1217 | 1217 | 3910 |
| EloSRM | 0.080 | 0.080 | 0.080 | 55.0 | 55 | 55 | 2088 | 2088 | 3824 |
| initial | 0.096 | 0.096 | 0.096 | 11.6 | 12 | 12 | 1212 | 1212 | 3961 |
| Odd | 0.149 | 0.149 | 0.149 | 87.2 | 87 | 87 | 1813 | 1813 | 3894 |
| SRM | -0.535 | 0.535 | 0.535 | 122.0 | -122 | -122 | 1078 | 1078 | 2918 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2017-09-26 | SRM 721 | 2 | 170 | 179.73 | 0.08 | 55 | 2088 | 3824 | -122 | 1078 | 2918 |