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 |
|---|---|---|---|
| cascal | 5 | 2145 | 882 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.268 | 0.383 | 0.440 | 68.6 | -45 | 110 | 2145 | 2145 | 6941 |
| initial | 0.295 | 0.410 | 0.478 | 49.4 | -34 | 85 | 1378 | 1378 | 6822 |
| SRMFix | 0.281 | 0.416 | 0.482 | 62.2 | -80 | 92 | 1350 | 1350 | 7172 |
| SRM | -0.027 | 0.529 | 0.694 | 87.6 | -344 | 31 | 884 | 882 | 7815 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2015-01-24 | SRM 647 | 2 | 349 | 331.62 | -0.07 | 7 | 2145 | 6941 | -2 | 882 | 7815 |
| 4 | 2015-01-15 | SRM 646 | 2 | 164 | 244.22 | 0.57 | 77 | 2139 | 7010 | 31 | 884 | 7767 |
| 3 | 2015-01-12 | SRM 645 | 2 | 302 | 474.80 | 0.65 | 110 | 2062 | 7757 | 29 | 853 | 8226 |
| 2 | 2014-12-27 | SRM 643 | 2 | 423 | 558.41 | 0.40 | 105 | 1952 | 9139 | -32 | 824 | 8862 |
| 1 | 2014-12-16 | SRM 642 | 2 | 357 | 307.40 | -0.22 | -45 | 1847 | 10283 | -344 | 856 | 8333 |