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 |
|---|---|---|---|
| SKill | 2 | 1941 | 896 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.662 | 0.788 | 1.029 | 94.9 | -15 | 175 | 1360 | 1360 | 5116 |
| SRMFix | 0.649 | 0.797 | 1.028 | 125.2 | -36 | 215 | 1379 | 1379 | 5040 |
| EloSRM | 0.750 | 0.847 | 1.132 | 198.9 | -27 | 371 | 1941 | 1941 | 4666 |
| Odd | 0.763 | 0.848 | 1.140 | 197.0 | -23 | 371 | 1799 | 1799 | 4826 |
| SRM | 0.243 | 1.013 | 1.042 | 270.0 | -422 | 118 | 896 | 896 | 6284 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-09-23 | SRM 449 | 2 | 265 | 801.97 | 1.60 | 371 | 1941 | 4666 | 118 | 896 | 6284 |
| 1 | 2009-02-28 | TCO09 Qual 2 | 1 | 1215 | 1,250.68 | -0.10 | -27 | 1571 | 8493 | -422 | 778 | 9637 |