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 |
|---|---|---|---|
| petrov-georgiy | 4 | 1936 | 719 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.066 | 0.190 | 0.219 | 22.9 | -32 | 29 | 1198 | 1168 | 8546 |
| Odd | -0.033 | 0.203 | 0.215 | 34.7 | -29 | 58 | 1711 | 1695 | 8056 |
| EloSRM | -0.043 | 0.204 | 0.218 | 39.1 | -43 | 58 | 1957 | 1936 | 7952 |
| SRMFix | -0.064 | 0.206 | 0.230 | 34.9 | -70 | 35 | 1171 | 1141 | 8350 |
| SRM | -0.437 | 0.437 | 0.523 | 120.2 | -292 | -26 | 908 | 719 | 8715 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2015-06-04 | SRM 660 | 2 | 314 | 344.95 | -0.26 | -21 | 1936 | 7952 | -72 | 719 | 8715 |
| 3 | 2015-05-05 | SRM 658 | 2 | 289 | 343.88 | 0.25 | 58 | 1957 | 8060 | -26 | 791 | 8225 |
| 2 | 2015-04-17 | SRM 656 | 2 | 409 | 430.13 | 0.07 | 35 | 1899 | 9042 | -91 | 817 | 8259 |
| 1 | 2015-04-09 | SRM 655 | 2 | 342 | 404.79 | -0.23 | -43 | 1865 | 9466 | -292 | 908 | 7116 |