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 |
|---|---|---|---|
| rupikot | 4 | 2217 | 1300 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.119 | 0.276 | 0.341 | 76.2 | -200 | 46 | 1485 | 1300 | 2760 |
| EloSRM | 0.394 | 0.474 | 0.532 | 171.2 | -28 | 305 | 2217 | 2217 | 2753 |
| SRMFix | 0.456 | 0.476 | 0.555 | 80.0 | -6 | 133 | 1509 | 1509 | 4182 |
| initial | 0.480 | 0.482 | 0.571 | 58.0 | 0 | 103 | 1431 | 1431 | 4727 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-02-07 | SRM 434 | 1 | 430 | 556.68 | 0.37 | 79 | 2217 | 2753 | 15 | 1300 | 2760 |
| 3 | 2009-01-21 | SRM 433 | 1 | 566 | 532.15 | -0.16 | -28 | 2138 | 3191 | -200 | 1285 | 2877 |
| 2 | 2009-01-06 | SRM 432 | 1 | 292 | 514.82 | 0.82 | 272 | 2166 | 3042 | 46 | 1485 | 1591 |
| 1 | 2008-12-23 | SRM 431 | 1 | 332 | 484.29 | 0.55 | 305 | 1894 | 5054 | -44 | 1439 | 1815 |