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 |
|---|---|---|---|
| first | 5 | 1852 | 877 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.336 | 0.394 | 0.524 | 53.4 | 7 | 103 | 1723 | 1723 | 5347 |
| EloSRM | 0.340 | 0.406 | 0.530 | 49.4 | 0 | 103 | 1852 | 1852 | 5296 |
| initial | 0.345 | 0.438 | 0.557 | 52.7 | -15 | 108 | 1408 | 1408 | 4692 |
| SRMFix | 0.344 | 0.451 | 0.562 | 55.0 | -34 | 91 | 1363 | 1363 | 5142 |
| SRM | 0.148 | 0.639 | 0.694 | 105.4 | -217 | 58 | 983 | 877 | 6415 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-06-23 | SRM 443 | 2 | 236 | 428.30 | 0.86 | 90 | 1852 | 5296 | 58 | 877 | 6415 |
| 4 | 2009-06-13 | SRM 442 | 2 | 373 | 637.79 | 0.77 | 103 | 1762 | 6094 | 44 | 819 | 7321 |
| 3 | 2009-05-27 | SRM 441 | 2 | 594 | 697.61 | 0.23 | 52 | 1659 | 7131 | -63 | 775 | 8150 |
| 2 | 2009-05-12 | SRM 440 | 2 | 701 | 658.02 | -0.09 | 0 | 1607 | 7712 | -145 | 838 | 8232 |
| 1 | 2009-04-19 | SRM 438 | 2 | 320 | 497.89 | -0.07 | 2 | 1607 | 7787 | -217 | 983 | 6940 |