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 |
|---|---|---|---|
| Sofonia | 8 | 2002 | 954 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.443 | 0.634 | 1.284 | 55.4 | -27 | 211 | 2029 | 2002 | 4744 |
| SRMFix | 0.469 | 0.684 | 1.336 | 56.7 | -46 | 237 | 1469 | 1426 | 4821 |
| SRM | 0.294 | 0.743 | 1.349 | 96.0 | -249 | 169 | 977 | 954 | 5275 |
| initial | 0.342 | 0.793 | 1.414 | 95.5 | -179 | 440 | 1709 | 1530 | 3995 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2010-09-15 | Member SRM 482 | 2 | 509 | 347.14 | -0.55 | -27 | 2002 | 4744 | -23 | 954 | 5275 |
| 7 | 2010-06-05 | SRM 472 | 2 | 42 | 486.18 | 3.53 | 211 | 2029 | 4288 | 169 | 977 | 4955 |
| 6 | 2010-05-20 | SRM 470 | 2 | 561 | 560.43 | -0.00 | 13 | 1818 | 5835 | -13 | 808 | 6926 |
| 5 | 2010-05-12 | TCO10 Qual 2 | 1 | 686 | 1,026.87 | 0.58 | 123 | 1806 | 5951 | 92 | 821 | 6774 |
| 4 | 2010-02-13 | Member SRM 461 | 2 | 731 | 720.59 | -0.02 | 12 | 1682 | 6882 | -38 | 729 | 7798 |
| 3 | 2009-12-05 | SRM 454 | 2 | 618 | 708.36 | 0.20 | 50 | 1670 | 6884 | -36 | 767 | 7484 |
| 2 | 2009-11-25 | SRM 453.5 | 2 | 625 | 586.17 | -0.09 | -2 | 1620 | 7446 | -148 | 803 | 7301 |
| 1 | 2009-09-23 | SRM 449 | 2 | 561 | 702.58 | -0.10 | -5 | 1622 | 7434 | -249 | 951 | 5365 |