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 |
|---|---|---|---|
| Purplesaluzi | 4 | 2068 | 1046 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.416 | 0.694 | 0.960 | 100.5 | -260 | 107 | 1289 | 1046 | 4363 |
| EloSRM | 0.631 | 0.892 | 1.269 | 140.8 | -36 | 320 | 2121 | 2068 | 3885 |
| initial | 0.711 | 0.892 | 1.360 | 107.5 | -32 | 319 | 1586 | 1543 | 3754 |
| Odd | 0.651 | 0.901 | 1.285 | 140.6 | -35 | 319 | 1979 | 1936 | 3869 |
| SRMFix | 0.513 | 0.957 | 1.289 | 138.3 | -78 | 327 | 1647 | 1541 | 3788 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-03-02 | SRM 463 | 2 | 286 | 224.43 | -0.35 | -16 | 2068 | 3885 | 17 | 1046 | 4363 |
| 3 | 2009-09-10 | SRM 448 | 1 | 653 | 591.14 | -0.17 | -36 | 2084 | 3622 | -260 | 1029 | 4551 |
| 2 | 2009-07-08 | SRM 444 | 2 | 91 | 490.60 | 2.43 | 320 | 2121 | 3329 | 107 | 1289 | 2440 |
| 1 | 2009-05-27 | SRM 441 | 2 | 453 | 693.56 | 0.62 | 191 | 1801 | 5737 | -18 | 1182 | 3261 |