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 |
|---|---|---|---|
| caihong | 2 | 1810 | 935 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.098 | 0.194 | 0.218 | 23.4 | -12 | 35 | 1224 | 1224 | 7923 |
| SRMFix | 0.071 | 0.210 | 0.222 | 40.6 | -34 | 48 | 1214 | 1214 | 7858 |
| Odd | 0.223 | 0.236 | 0.325 | 93.3 | 34 | 153 | 1646 | 1646 | 7937 |
| EloSRM | 0.231 | 0.274 | 0.358 | 99.8 | 19 | 181 | 1810 | 1810 | 7848 |
| SRM | -0.571 | 0.571 | 0.595 | 132.5 | -192 | -73 | 1008 | 935 | 6535 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-08-30 | SRM 516 | 2 | 513 | 727.89 | 0.50 | 181 | 1810 | 7848 | -73 | 935 | 6535 |
| 1 | 2009-05-27 | SRM 441 | 2 | 711 | 693.10 | -0.04 | 19 | 1629 | 7400 | -192 | 1008 | 5037 |