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 |
|---|---|---|---|
| JJAA | 2 | 1948 | 1046 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.465 | 0.465 | 0.572 | 79.4 | 32 | 127 | 1359 | 1359 | 5557 |
| EloSRM | 0.515 | 0.515 | 0.575 | 134.3 | 110 | 158 | 1948 | 1948 | 5466 |
| SRM | -0.241 | 0.538 | 0.590 | 80.0 | -157 | 3 | 1046 | 1046 | 4609 |
| Odd | 0.538 | 0.538 | 0.586 | 146.6 | 133 | 161 | 1796 | 1796 | 5525 |
| initial | 0.540 | 0.540 | 0.647 | 65.0 | 22 | 108 | 1330 | 1330 | 5808 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-11-30 | Member SRM 489 | 2 | 333 | 567.84 | 0.77 | 158 | 1948 | 5466 | 3 | 1046 | 4609 |
| 1 | 2010-10-05 | SRM 484 | 2 | 413 | 494.49 | 0.26 | 110 | 1790 | 6546 | -157 | 1043 | 4482 |