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 |
|---|---|---|---|
| gaogao | 2 | 1664 | 811 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.089 | 0.194 | 0.214 | 45.7 | -5 | 86 | 1534 | 1534 | 7297 |
| EloSRM | 0.073 | 0.212 | 0.224 | 52.2 | -21 | 83 | 1664 | 1664 | 7207 |
| initial | 0.004 | 0.224 | 0.224 | 27.0 | -26 | 27 | 1201 | 1201 | 7599 |
| SRMFix | -0.007 | 0.275 | 0.275 | 56.3 | -67 | 45 | 1178 | 1178 | 7618 |
| SRM | -0.684 | 0.684 | 0.906 | 194.5 | -325 | -64 | 875 | 811 | 8475 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-12 | SRM 440 | 2 | 561 | 683.59 | 0.28 | 83 | 1664 | 7207 | -64 | 811 | 8475 |
| 1 | 2009-03-24 | SRM 437 | 2 | 673 | 611.07 | -0.14 | -21 | 1580 | 8480 | -325 | 875 | 8500 |