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 |
|---|---|---|---|
| nullkuhl | 2 | 1679 | 853 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.077 | 0.121 | 0.143 | 41.4 | 19 | 64 | 1547 | 1547 | 6937 |
| EloSRM | 0.054 | 0.139 | 0.149 | 30.5 | 1 | 60 | 1679 | 1679 | 6839 |
| initial | 0.004 | 0.160 | 0.160 | 19.2 | -19 | 20 | 1201 | 1201 | 6954 |
| SRMFix | -0.013 | 0.197 | 0.198 | 41.0 | -51 | 31 | 1181 | 1181 | 6982 |
| SRM | -0.696 | 0.696 | 0.804 | 173.5 | -266 | -81 | 934 | 853 | 6875 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-08 | SRM 446 | 2 | 626 | 715.46 | 0.19 | 60 | 1679 | 6839 | -81 | 853 | 6875 |
| 1 | 2009-07-23 | SRM 445 | 2 | 763 | 719.64 | -0.08 | 1 | 1619 | 7444 | -266 | 934 | 5519 |