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 |
|---|---|---|---|
| Janeiro | 4 | 2108 | 971 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.145 | 0.630 | 0.734 | 125.2 | -201 | 136 | 1336 | 971 | 6673 |
| initial | 0.345 | 0.714 | 1.033 | 86.0 | -88 | 231 | 1431 | 1366 | 6849 |
| EloSRM | 0.395 | 0.758 | 1.062 | 165.0 | -92 | 471 | 2143 | 2108 | 7254 |
| Odd | 0.309 | 0.777 | 1.111 | 160.5 | -94 | 485 | 1983 | 1914 | 7012 |
| SRMFix | 0.076 | 0.854 | 1.167 | 142.1 | -171 | 375 | 1575 | 1381 | 6716 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2015-02-10 | SRM 649 | 2 | 337 | 416.78 | 0.31 | 77 | 2108 | 7254 | -24 | 971 | 6673 |
| 3 | 2014-10-04 | SRM 635 | 2 | 614 | 392.48 | -0.65 | -92 | 2031 | 8419 | -140 | 995 | 6793 |
| 2 | 2011-02-26 | SRM 498 | 1 | 639 | 655.84 | -0.08 | -20 | 2123 | 4307 | -201 | 1135 | 3999 |
| 1 | 2010-08-14 | SRM 479 | 2 | 180 | 719.20 | 2.00 | 471 | 2143 | 3660 | 136 | 1336 | 2179 |