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 |
|---|---|---|---|
| Johno | 2 | 1841 | 1044 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.172 | 0.172 | 0.185 | 78.0 | -137 | -19 | 1181 | 1044 | 4507 |
| SRMFix | 0.266 | 0.459 | 0.530 | 98.7 | -33 | 165 | 1365 | 1332 | 5468 |
| initial | 0.460 | 0.460 | 0.562 | 55.4 | 16 | 94 | 1311 | 1311 | 5618 |
| EloSRM | 0.245 | 0.599 | 0.647 | 141.7 | -25 | 258 | 1866 | 1841 | 5357 |
| Odd | 0.264 | 0.616 | 0.670 | 145.7 | -18 | 273 | 1731 | 1713 | 5417 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-27 | SRM 441 | 2 | 496 | 388.10 | -0.35 | -25 | 1841 | 5357 | -137 | 1044 | 4507 |
| 1 | 2009-05-12 | SRM 440 | 2 | 366 | 656.89 | 0.84 | 258 | 1866 | 5210 | -19 | 1181 | 3480 |