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 |
|---|---|---|---|
| UDAT | 4 | 1869 | 1062 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.576 | 0.829 | 1.053 | 125.7 | -47 | 244 | 1787 | 1787 | 3156 |
| initial | 0.616 | 0.829 | 1.107 | 99.9 | -51 | 251 | 1497 | 1497 | 2907 |
| EloSRM | 0.576 | 0.831 | 1.063 | 125.1 | -57 | 247 | 1869 | 1869 | 3158 |
| SRMFix | 0.586 | 0.834 | 1.101 | 108.0 | -82 | 234 | 1469 | 1469 | 3223 |
| SRM | 0.280 | 0.962 | 1.072 | 113.0 | -190 | 121 | 1095 | 1062 | 3558 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2007-02-20 | SRM 340 | 2 | 161 | 225.57 | 0.49 | 65 | 1869 | 3158 | 36 | 1062 | 3558 |
| 3 | 2007-02-03 | SRM 337 | 2 | 98 | 385.05 | 1.97 | 247 | 1804 | 3470 | 121 | 1026 | 3828 |
| 2 | 2006-11-29 | SRM 328 | 2 | 331 | 290.52 | -0.51 | -57 | 1557 | 4895 | -190 | 905 | 4603 |
| 1 | 2006-11-22 | SRM 327 | 2 | 256 | 326.93 | 0.35 | 131 | 1614 | 4424 | -105 | 1095 | 3114 |