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 |
|---|---|---|---|
| BackB | 1 | 1679 | 986 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.002 | 0.002 | 0.002 | 0.4 | 0 | 0 | 1200 | 1200 | 7556 |
| initial | 0.072 | 0.072 | 0.072 | 8.7 | 9 | 9 | 1209 | 1209 | 7347 |
| EloSRM | 0.133 | 0.133 | 0.133 | 71.9 | 72 | 72 | 1679 | 1679 | 7230 |
| SRM | -0.980 | 0.980 | 0.980 | 214.0 | -214 | -214 | 986 | 986 | 6923 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-04-30 | SRM 439 | 2 | 407 | 446.36 | 0.13 | 72 | 1679 | 7230 | -214 | 986 | 6923 |