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 |
|---|---|---|---|
| andres.santana | 4 | 1547 | 615 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.148 | 0.157 | 0.200 | 24.9 | -45 | 33 | 1610 | 1547 | 9829 |
| Odd | -0.141 | 0.168 | 0.208 | 28.8 | -43 | 48 | 1494 | 1436 | 9321 |
| initial | -0.173 | 0.173 | 0.207 | 20.9 | -42 | -9 | 1191 | 1116 | 11794 |
| SRMFix | -0.190 | 0.190 | 0.214 | 28.8 | -41 | -14 | 1167 | 1085 | 11282 |
| SRM | -0.662 | 0.662 | 0.717 | 146.2 | -256 | -81 | 944 | 615 | 11494 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-02-12 | SRM 435 | 2 | 528 | 458.78 | -0.34 | -45 | 1547 | 9829 | -114 | 615 | 11494 |
| 3 | 2008-09-20 | SRM 418 | 2 | 445 | 499.44 | -0.20 | -18 | 1591 | 8363 | -81 | 729 | 10822 |
| 2 | 2008-09-11 | SRM 417 | 2 | 613 | 583.61 | -0.07 | 4 | 1610 | 7837 | -134 | 810 | 9517 |
| 1 | 2008-09-04 | SRM 416 | 2 | 488 | 494.29 | 0.02 | 33 | 1606 | 7810 | -256 | 944 | 7901 |