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 |
|---|---|---|---|
| achen | 4 | 1676 | 631 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.186 | 0.189 | 0.220 | 27.4 | -43 | 2 | 1202 | 1094 | 9168 |
| initial | -0.157 | 0.194 | 0.210 | 23.4 | -36 | 9 | 1209 | 1124 | 9865 |
| EloSRM | -0.170 | 0.240 | 0.248 | 40.4 | -35 | 73 | 1764 | 1676 | 8318 |
| Odd | -0.161 | 0.257 | 0.260 | 44.0 | -31 | 96 | 1606 | 1527 | 8333 |
| SRM | -0.659 | 0.659 | 0.693 | 142.2 | -194 | -92 | 1006 | 631 | 9419 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-02-26 | SRM 498 | 2 | 921 | 779.86 | -0.24 | -22 | 1676 | 8318 | -92 | 631 | 9419 |
| 3 | 2011-02-10 | SRM 497 | 2 | 562 | 547.20 | -0.31 | -35 | 1698 | 8143 | -123 | 723 | 8671 |
| 2 | 2011-01-22 | Member SRM 494 | 2 | 764 | 633.03 | -0.27 | -31 | 1733 | 7561 | -160 | 846 | 6871 |
| 1 | 2010-12-28 | SRM 492 | 2 | 483 | 532.44 | 0.14 | 73 | 1764 | 7242 | -194 | 1006 | 5083 |