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 |
|---|---|---|---|
| free.willy | 1 | 1627 | 946 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.052 | 0.052 | 0.052 | 11.0 | 11 | 11 | 1627 | 1627 | 7415 |
| initial | -0.127 | 0.127 | 0.127 | 15.3 | -15 | -15 | 1185 | 1185 | 7433 |
| SRMFix | -0.180 | 0.180 | 0.180 | 43.5 | -43 | -43 | 1157 | 1157 | 7478 |
| SRM | -1.064 | 1.064 | 1.064 | 254.0 | -254 | -254 | 946 | 946 | 5437 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-07-08 | SRM 444 | 2 | 701 | 675.95 | -0.05 | 11 | 1627 | 7415 | -254 | 946 | 5437 |