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 |
|---|---|---|---|
| Vakh | 1 | 1889 | 1089 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.344 | 0.344 | 0.344 | 81.6 | 82 | 82 | 1282 | 1282 | 6972 |
| initial | 0.411 | 0.411 | 0.411 | 49.5 | 50 | 50 | 1250 | 1250 | 7450 |
| EloSRM | 0.491 | 0.491 | 0.491 | 175.8 | 176 | 176 | 1889 | 1889 | 6875 |
| SRM | -0.608 | 0.608 | 0.608 | 111.0 | -111 | -111 | 1089 | 1089 | 4760 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2011-06-08 | SRM 509 | 2 | 555 | 780.12 | 0.49 | 176 | 1889 | 6875 | -111 | 1089 | 4760 |