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 |
|---|---|---|---|
| typeb | 1 | 1688 | 1072 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.065 | 0.065 | 0.065 | 15.9 | 16 | 16 | 1216 | 1216 | 6712 |
| initial | 0.109 | 0.109 | 0.109 | 13.1 | 13 | 13 | 1213 | 1213 | 6924 |
| EloSRM | 0.162 | 0.162 | 0.162 | 77.6 | 78 | 78 | 1688 | 1688 | 6842 |
| SRM | -0.539 | 0.539 | 0.539 | 128.0 | -128 | -128 | 1072 | 1072 | 4189 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-27 | SRM 441 | 2 | 620 | 693.58 | 0.16 | 78 | 1688 | 6842 | -128 | 1072 | 4189 |