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 |
|---|---|---|---|
| ert.wroc | 3 | 1685 | 851 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.232 | 0.584 | 0.761 | 115.1 | -82 | 231 | 1767 | 1685 | 7318 |
| initial | 0.181 | 0.599 | 0.746 | 72.2 | -65 | 141 | 1331 | 1265 | 6694 |
| Odd | 0.228 | 0.608 | 0.773 | 115.8 | -70 | 229 | 1669 | 1600 | 6951 |
| SRMFix | 0.130 | 0.654 | 0.779 | 99.7 | -86 | 180 | 1346 | 1260 | 6768 |
| SRM | -0.388 | 0.862 | 0.870 | 151.7 | -240 | 53 | 1013 | 851 | 8949 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-02-07 | SRM 434 | 2 | 615 | 512.84 | -0.53 | -82 | 1685 | 7318 | -162 | 851 | 8949 |
| 2 | 2007-06-02 | SRM 352 | 2 | 200 | 462.02 | 1.21 | 231 | 1767 | 3931 | 53 | 1013 | 3800 |
| 1 | 2007-04-18 | SRM 345 | 2 | 457 | 461.68 | 0.02 | 32 | 1536 | 5297 | -240 | 960 | 4175 |