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 |
|---|---|---|---|
| douglas1206 | 3 | 1584 | 688 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.093 | 0.161 | 0.206 | 33.2 | -52 | 35 | 1456 | 1456 | 7859 |
| EloSRM | -0.099 | 0.173 | 0.221 | 36.2 | -67 | 35 | 1584 | 1584 | 7798 |
| initial | -0.162 | 0.197 | 0.249 | 23.7 | -49 | 6 | 1151 | 1141 | 9242 |
| SRMFix | -0.136 | 0.208 | 0.266 | 43.8 | -104 | 15 | 1099 | 1099 | 8817 |
| SRM | -0.538 | 0.538 | 0.636 | 170.7 | -324 | -46 | 876 | 688 | 8668 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-07-08 | SRM 444 | 2 | 682 | 736.11 | 0.11 | 35 | 1584 | 7798 | -46 | 688 | 8668 |
| 2 | 2009-06-23 | SRM 443 | 2 | 620 | 601.05 | -0.04 | 7 | 1550 | 8230 | -142 | 734 | 8226 |
| 1 | 2009-05-27 | SRM 441 | 2 | 727 | 684.62 | -0.36 | -67 | 1543 | 8775 | -324 | 876 | 6770 |