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 |
|---|---|---|---|
| sinaZK | 4 | 1828 | 845 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.167 | 0.501 | 0.533 | 60.4 | -52 | 82 | 1282 | 1280 | 5930 |
| SRMFix | 0.066 | 0.544 | 0.555 | 89.5 | -98 | 142 | 1342 | 1265 | 6076 |
| SRM | -0.358 | 0.575 | 0.632 | 101.2 | -223 | 25 | 1145 | 845 | 6598 |
| EloSRM | 0.014 | 0.596 | 0.606 | 110.2 | -74 | 245 | 1882 | 1828 | 5779 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-02-17 | SRM 462 | 2 | 297 | 411.77 | 0.47 | 70 | 1828 | 5779 | 25 | 845 | 6598 |
| 3 | 2010-02-13 | Member SRM 461 | 2 | 799 | 556.45 | -0.52 | -51 | 1757 | 6278 | -102 | 820 | 6757 |
| 2 | 2009-12-17 | Member SRM 455 | 2 | 586 | 463.21 | -0.64 | -74 | 1808 | 5664 | -223 | 922 | 5407 |
| 1 | 2009-12-05 | SRM 454 | 2 | 412 | 692.72 | 0.75 | 245 | 1882 | 5138 | -55 | 1145 | 3520 |