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 |
|---|---|---|---|
| webmail | 3 | 2106 | 940 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.222 | 0.239 | 0.387 | 39.2 | -6 | 108 | 1305 | 1305 | 7619 |
| initial | 0.293 | 0.293 | 0.416 | 35.3 | 4 | 85 | 1306 | 1306 | 7648 |
| EloSRM | 0.224 | 0.300 | 0.408 | 77.3 | 3 | 170 | 2106 | 2106 | 7309 |
| Odd | 0.236 | 0.313 | 0.409 | 86.6 | 6 | 170 | 1886 | 1886 | 7375 |
| SRM | -0.340 | 0.406 | 0.538 | 86.7 | -197 | -18 | 1003 | 940 | 7091 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2015-01-12 | SRM 645 | 2 | 386 | 356.59 | -0.11 | 3 | 2106 | 7309 | -45 | 940 | 7091 |
| 2 | 2014-12-27 | SRM 643 | 2 | 307 | 495.72 | 0.69 | 170 | 2103 | 7478 | -18 | 985 | 6713 |
| 1 | 2014-08-12 | SRM 629 | 2 | 539 | 575.36 | 0.09 | 59 | 1933 | 9426 | -197 | 1003 | 6655 |