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 |
|---|---|---|---|
| codeasy | 3 | 1978 | 868 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.284 | 0.515 | 0.686 | 125.8 | -81 | 268 | 1978 | 1978 | 7339 |
| initial | 0.288 | 0.548 | 0.639 | 66.0 | -47 | 121 | 1304 | 1304 | 7568 |
| SRMFix | 0.277 | 0.575 | 0.678 | 99.7 | -105 | 165 | 1289 | 1289 | 7649 |
| SRM | -0.133 | 0.687 | 0.826 | 158.0 | -389 | 71 | 882 | 868 | 8040 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2012-09-01 | SRM 554 | 2 | 560 | 585.50 | 0.06 | 28 | 1978 | 7339 | -14 | 868 | 8040 |
| 2 | 2012-08-22 | SRM 553 | 2 | 282 | 619.10 | 1.13 | 268 | 1949 | 7570 | 71 | 882 | 7780 |
| 1 | 2012-05-19 | SRM 543 | 2 | 877 | 779.47 | -0.35 | -81 | 1681 | 10976 | -389 | 811 | 8943 |