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 |
|---|---|---|---|
| Efficience | 2 | 1839 | 917 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.305 | 0.482 | 0.570 | 99.5 | -27 | 172 | 1839 | 1839 | 6709 |
| initial | 0.241 | 0.488 | 0.544 | 58.7 | -30 | 88 | 1258 | 1258 | 6886 |
| SRMFix | 0.219 | 0.539 | 0.582 | 98.6 | -76 | 121 | 1245 | 1245 | 6924 |
| SRM | -0.491 | 0.761 | 0.905 | 162.5 | -304 | 21 | 917 | 917 | 6147 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-02-01 | SRM 496 | 2 | 390 | 673.02 | 0.79 | 172 | 1839 | 6709 | 21 | 917 | 6147 |
| 1 | 2011-01-27 | SRM 495 | 2 | 845 | 747.78 | -0.18 | -27 | 1668 | 8399 | -304 | 896 | 6323 |