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 |
|---|---|---|---|
| robb_billy | 9 | 2010 | 804 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.261 | 0.567 | 0.736 | 84.6 | -97 | 247 | 1853 | 1853 | 6086 |
| initial | 0.213 | 0.570 | 0.740 | 68.6 | -73 | 176 | 1431 | 1431 | 5602 |
| EloSRM | 0.281 | 0.579 | 0.754 | 91.1 | -113 | 259 | 2010 | 2010 | 6042 |
| SRMFix | 0.294 | 0.594 | 0.772 | 65.6 | -131 | 158 | 1356 | 1356 | 6411 |
| SRM | 0.298 | 0.770 | 0.970 | 122.9 | -597 | 137 | 804 | 804 | 8362 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2011-09-14 | SRM 518 | 2 | 453 | 518.30 | 0.19 | 33 | 2010 | 6042 | 38 | 804 | 8362 |
| 8 | 2011-08-30 | SRM 516 | 2 | 320 | 511.84 | 0.68 | 98 | 1978 | 6198 | 60 | 766 | 8904 |
| 7 | 2011-05-17 | SRM 504.5 | 2 | 713 | 640.36 | -0.16 | -5 | 1880 | 6730 | 8 | 706 | 9192 |
| 6 | 2010-09-25 | SRM 483 | 2 | 272 | 652.76 | 1.26 | 149 | 1885 | 5668 | 112 | 698 | 8141 |
| 5 | 2010-09-15 | Member SRM 482 | 2 | 836 | 621.31 | -0.59 | -67 | 1736 | 6984 | -86 | 586 | 9006 |
| 4 | 2010-04-03 | SRM 466 | 2 | 262 | 767.40 | 1.55 | 259 | 1803 | 5625 | 137 | 672 | 7937 |
| 3 | 2009-12-17 | Member SRM 455 | 2 | 586 | 646.70 | -0.16 | -20 | 1544 | 8103 | -45 | 535 | 8854 |
| 2 | 2009-11-05 | SRM 452 | 2 | 676 | 767.72 | 0.18 | 77 | 1564 | 8261 | -23 | 580 | 9494 |
| 1 | 2009-03-11 | SRM 436 | 2 | 744 | 563.82 | -0.43 | -113 | 1487 | 11612 | -597 | 603 | 11669 |