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 |
|---|---|---|---|
| kovalevfm | 7 | 2376 | 1250 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.801 | 1.155 | 1.456 | 114.0 | -54 | 268 | 2376 | 2376 | 3651 |
| SRM | 0.804 | 1.165 | 1.533 | 72.6 | -89 | 129 | 1250 | 1250 | 3686 |
| SRMFix | 0.772 | 1.170 | 1.499 | 124.5 | -116 | 310 | 1785 | 1785 | 3469 |
| initial | 0.850 | 1.196 | 1.544 | 144.0 | -141 | 376 | 1917 | 1917 | 3365 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2012-03-07 | SRM 536 | 2 | 80 | 214.42 | 1.42 | 84 | 2376 | 3651 | 73 | 1250 | 3686 |
| 6 | 2012-02-18 | SRM 533 | 2 | 103 | 334.89 | 1.70 | 115 | 2292 | 4087 | 77 | 1177 | 4376 |
| 5 | 2012-02-09 | SRM 532 | 2 | 491 | 251.70 | -0.96 | -54 | 2177 | 4947 | -48 | 1100 | 5028 |
| 4 | 2011-11-17 | SRM 524 | 1 | 545 | 582.52 | -0.08 | -12 | 2230 | 4314 | -61 | 1148 | 4452 |
| 3 | 2011-09-10 | SRM 517 | 2 | 81 | 590.87 | 2.87 | 268 | 2242 | 4037 | 129 | 1209 | 3739 |
| 2 | 2011-07-26 | SRM 513 | 2 | 583 | 510.96 | -0.19 | -5 | 1974 | 6241 | -89 | 1080 | 4957 |
| 1 | 2011-07-13 | SRM 512 | 2 | 508 | 918.49 | 0.85 | 260 | 1979 | 6150 | -31 | 1169 | 4093 |