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 |
|---|---|---|---|
| garryc | 2 | 1722 | 783 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.138 | 0.618 | 0.633 | 74.4 | -58 | 91 | 1233 | 1233 | 6460 |
| Odd | 0.256 | 0.631 | 0.681 | 139.0 | -81 | 197 | 1581 | 1581 | 6604 |
| EloSRM | 0.235 | 0.645 | 0.686 | 148.2 | -96 | 200 | 1722 | 1722 | 6426 |
| SRMFix | 0.156 | 0.680 | 0.698 | 127.2 | -122 | 132 | 1211 | 1211 | 6644 |
| SRM | -0.377 | 0.956 | 1.028 | 257.5 | -466 | 49 | 783 | 783 | 7556 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-08 | SRM 446 | 2 | 441 | 811.22 | 0.88 | 200 | 1722 | 6426 | 49 | 783 | 7556 |
| 1 | 2009-07-23 | SRM 445 | 2 | 893 | 721.73 | -0.41 | -96 | 1522 | 9179 | -466 | 734 | 8192 |