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 |
|---|---|---|---|
| lodestone | 4 | 1890 | 898 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.390 | 0.489 | 0.531 | 95.1 | -36 | 184 | 1762 | 1762 | 5034 |
| EloSRM | 0.377 | 0.493 | 0.531 | 97.9 | -51 | 186 | 1890 | 1890 | 4981 |
| initial | 0.409 | 0.566 | 0.588 | 68.1 | -38 | 88 | 1397 | 1397 | 4782 |
| SRMFix | 0.388 | 0.576 | 0.592 | 88.0 | -89 | 114 | 1375 | 1375 | 5048 |
| SRM | 0.050 | 0.736 | 0.840 | 113.5 | -378 | 47 | 898 | 898 | 6190 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-06-23 | SRM 443 | 2 | 260 | 389.62 | 0.58 | 81 | 1890 | 4981 | 47 | 898 | 6190 |
| 3 | 2009-05-12 | SRM 440 | 2 | 400 | 527.88 | 0.40 | 73 | 1809 | 5739 | 11 | 851 | 8045 |
| 2 | 2009-04-30 | SRM 439 | 2 | 282 | 476.71 | 0.76 | 186 | 1736 | 6609 | 18 | 840 | 8968 |
| 1 | 2009-03-24 | SRM 437 | 2 | 718 | 611.07 | -0.23 | -51 | 1550 | 9763 | -378 | 822 | 9213 |