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 |
|---|---|---|---|
| rswett | 4 | 1654 | 632 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.002 | 0.289 | 0.318 | 34.8 | -56 | 42 | 1201 | 1201 | 7908 |
| Odd | 0.078 | 0.297 | 0.320 | 67.4 | -81 | 103 | 1522 | 1522 | 7679 |
| EloSRM | 0.064 | 0.303 | 0.325 | 70.8 | -96 | 105 | 1654 | 1654 | 7555 |
| SRMFix | 0.014 | 0.322 | 0.355 | 57.1 | -120 | 50 | 1160 | 1160 | 9052 |
| SRM | -0.305 | 0.508 | 0.742 | 155.5 | -493 | 27 | 707 | 632 | 11397 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-03-24 | SRM 437 | 2 | 481 | 622.22 | 0.37 | 68 | 1654 | 7555 | 27 | 632 | 11397 |
| 3 | 2009-02-28 | TCO09 Qual 2 | 1 | 1215 | 1,249.04 | -0.10 | -15 | 1586 | 8339 | -87 | 605 | 11493 |
| 2 | 2009-02-12 | SRM 435 | 2 | 399 | 513.21 | 0.36 | 105 | 1601 | 8263 | -15 | 692 | 10865 |
| 1 | 2009-01-21 | SRM 433 | 2 | 734 | 593.76 | -0.38 | -96 | 1497 | 11387 | -493 | 707 | 10836 |