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 |
|---|---|---|---|
| chengran1987 | 2 | 1586 | 519 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.257 | 0.567 | 0.623 | 68.3 | -99 | 37 | 1138 | 1138 | 10453 |
| SRMFix | -0.209 | 0.626 | 0.660 | 128.3 | -187 | 69 | 1082 | 1082 | 10513 |
| EloSRM | -0.154 | 0.655 | 0.673 | 166.1 | -141 | 191 | 1586 | 1586 | 8210 |
| SRM | -0.307 | 0.687 | 0.752 | 376.5 | -717 | 36 | 519 | 519 | 11071 |
| # | 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 | 587 | 830.50 | 0.50 | 191 | 1586 | 8210 | 36 | 519 | 11071 |
| 1 | 2007-12-04 | College Tour SRM 380 | 1 | 244 | 136.73 | -0.81 | -141 | 1394 | 8795 | -717 | 483 | 8890 |