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 |
|---|---|---|---|
| wfzyl2007 | 2 | 1981 | 1151 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.056 | 0.398 | 0.402 | 37.5 | -62 | 13 | 1151 | 1151 | 3483 |
| SRMFix | 0.732 | 0.732 | 0.758 | 134.9 | 124 | 146 | 1470 | 1470 | 4302 |
| EloSRM | 0.756 | 0.756 | 0.762 | 183.5 | 150 | 217 | 1981 | 1981 | 4306 |
| Odd | 0.782 | 0.782 | 0.787 | 192.5 | 150 | 235 | 1846 | 1846 | 4399 |
| initial | 0.874 | 0.874 | 0.918 | 105.3 | 72 | 139 | 1411 | 1411 | 4676 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-08 | SRM 444 | 2 | 254 | 459.56 | 0.86 | 150 | 1981 | 4306 | 13 | 1151 | 3483 |
| 1 | 2009-06-23 | SRM 443 | 2 | 348 | 548.43 | 0.66 | 217 | 1831 | 5460 | -62 | 1138 | 3574 |