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 |
|---|---|---|---|
| geekbo | 2 | 1518 | 635 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.289 | 0.289 | 0.289 | 56.2 | -65 | -47 | 1565 | 1518 | 9359 |
| initial | -0.367 | 0.367 | 0.367 | 44.2 | -44 | -44 | 1156 | 1112 | 9722 |
| SRMFix | -0.368 | 0.368 | 0.371 | 75.9 | -99 | -53 | 1101 | 1048 | 9797 |
| SRM | -0.998 | 0.998 | 1.044 | 282.5 | -371 | -194 | 829 | 635 | 9002 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-10-20 | SRM 451 | 2 | 647 | 571.91 | -0.28 | -47 | 1518 | 9359 | -194 | 635 | 9002 |
| 1 | 2009-10-17 | SRM 450 | 2 | 821 | 666.34 | -0.30 | -65 | 1565 | 8172 | -371 | 829 | 7177 |