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 |
|---|---|---|---|
| yetfly | 4 | 1722 | 784 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.019 | 0.149 | 0.179 | 34.7 | -17 | 53 | 1739 | 1722 | 6506 |
| Odd | 0.028 | 0.154 | 0.178 | 39.6 | -13 | 54 | 1610 | 1596 | 6517 |
| initial | 0.024 | 0.173 | 0.191 | 20.8 | -26 | 34 | 1238 | 1212 | 6824 |
| SRMFix | 0.005 | 0.187 | 0.198 | 29.3 | -33 | 37 | 1224 | 1197 | 6820 |
| SRM | -0.435 | 0.435 | 0.571 | 104.0 | -237 | -25 | 963 | 784 | 7633 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-09-23 | SRM 449 | 2 | 561 | 631.65 | -0.25 | -17 | 1722 | 6506 | -59 | 784 | 7633 |
| 3 | 2009-09-10 | SRM 448 | 2 | 534 | 627.47 | 0.23 | 53 | 1739 | 6358 | -25 | 843 | 7055 |
| 2 | 2009-08-25 | SRM 447 | 2 | 572 | 614.31 | 0.10 | 43 | 1686 | 6832 | -95 | 868 | 6720 |
| 1 | 2009-07-23 | SRM 445 | 2 | 724 | 719.64 | -0.01 | 25 | 1644 | 7227 | -237 | 963 | 5203 |