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 |
|---|---|---|---|
| apple123 | 4 | 2654 | 1425 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.679 | 1.130 | 1.266 | 185.8 | -259 | 245 | 1587 | 1425 | 2107 |
| SRMFix | 1.142 | 1.426 | 1.741 | 227.4 | -76 | 556 | 1958 | 1958 | 2152 |
| initial | 1.425 | 1.462 | 1.837 | 176.1 | -9 | 381 | 1886 | 1886 | 3147 |
| EloSRM | 1.062 | 1.464 | 1.801 | 276.3 | -88 | 672 | 2656 | 2654 | 1675 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-09-19 | SRM 519 | 1 | 248 | 376.68 | 0.60 | 86 | 2654 | 1675 | 97 | 1425 | 2107 |
| 3 | 2011-09-14 | SRM 518 | 1 | 755 | 432.32 | -0.80 | -88 | 2568 | 2110 | -259 | 1328 | 2732 |
| 2 | 2011-09-10 | SRM 517 | 1 | 280 | 645.96 | 1.21 | 259 | 2656 | 1618 | 142 | 1587 | 1345 |
| 1 | 2011-08-30 | SRM 516 | 2 | 69 | 652.57 | 3.24 | 672 | 2397 | 2994 | 245 | 1445 | 1948 |