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 |
|---|---|---|---|
| bberto | 2 | 1890 | 1051 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.347 | 0.347 | 0.356 | 72.7 | 45 | 101 | 1345 | 1345 | 5175 |
| EloSRM | 0.377 | 0.377 | 0.419 | 126.5 | 57 | 196 | 1890 | 1890 | 5042 |
| SRM | -0.382 | 0.382 | 0.402 | 74.5 | -92 | -57 | 1108 | 1051 | 4198 |
| initial | 0.473 | 0.473 | 0.474 | 57.0 | 55 | 59 | 1314 | 1314 | 5380 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-12-17 | Member SRM 455 | 2 | 391 | 447.22 | 0.19 | 57 | 1890 | 5042 | -57 | 1051 | 4198 |
| 1 | 2009-12-05 | SRM 454 | 2 | 470 | 692.72 | 0.56 | 196 | 1833 | 5506 | -92 | 1108 | 3806 |