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 |
|---|---|---|---|
| Roddge | 2 | 1680 | 623 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.259 | 0.259 | 0.344 | 52.9 | -87 | 18 | 1768 | 1680 | 11242 |
| Odd | -0.232 | 0.261 | 0.350 | 61.9 | -80 | 44 | 1591 | 1511 | 11279 |
| initial | -0.302 | 0.302 | 0.363 | 36.3 | -61 | -12 | 1188 | 1127 | 12219 |
| SRMFix | -0.340 | 0.340 | 0.380 | 62.6 | -84 | -41 | 1159 | 1075 | 12084 |
| SRM | -1.101 | 1.101 | 1.102 | 288.5 | -334 | -243 | 957 | 623 | 11892 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2012-04-23 | SRM 541 | 2 | 991 | 720.90 | -0.48 | -87 | 1680 | 11242 | -334 | 623 | 11892 |
| 1 | 2012-02-23 | SRM 534 | 2 | 653 | 638.49 | -0.03 | 18 | 1768 | 9330 | -243 | 957 | 6841 |