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 |
|---|---|---|---|
| sergey_13 | 9 | 1871 | 774 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.061 | 0.391 | 0.480 | 58.0 | -53 | 183 | 1735 | 1734 | 5522 |
| EloSRM | 0.083 | 0.396 | 0.486 | 63.3 | -58 | 186 | 1871 | 1871 | 5517 |
| SRMFix | 0.099 | 0.405 | 0.478 | 48.3 | -63 | 118 | 1330 | 1296 | 5729 |
| initial | 0.132 | 0.418 | 0.485 | 50.3 | -65 | 88 | 1345 | 1343 | 5290 |
| SRM | 0.036 | 0.473 | 0.545 | 71.6 | -293 | 50 | 914 | 774 | 7104 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2010-07-06 | SRM 475 | 2 | 289 | 443.66 | 0.62 | 68 | 1871 | 5517 | 50 | 774 | 7104 |
| 8 | 2010-05-04 | SRM 469 | 2 | 587 | 564.66 | -0.06 | 6 | 1804 | 5850 | -3 | 724 | 7828 |
| 7 | 2010-04-20 | Member SRM 468 | 2 | 599 | 496.96 | -0.58 | -45 | 1798 | 5775 | -69 | 727 | 7640 |
| 6 | 2010-03-02 | SRM 463 | 2 | 421 | 459.77 | 0.13 | 33 | 1842 | 5594 | 21 | 796 | 7073 |
| 5 | 2009-12-17 | Member SRM 455 | 2 | 586 | 472.52 | -0.61 | -58 | 1809 | 5650 | -99 | 775 | 7034 |
| 4 | 2009-09-23 | SRM 449 | 2 | 411 | 616.68 | 0.58 | 117 | 1868 | 5267 | 31 | 874 | 6703 |
| 3 | 2009-05-27 | SRM 441 | 2 | 549 | 557.12 | 0.02 | 31 | 1751 | 6196 | -71 | 843 | 7431 |
| 2 | 2008-06-26 | SRM 407 | 2 | 336 | 586.85 | 0.80 | 186 | 1720 | 6465 | 7 | 914 | 8181 |
| 1 | 2008-06-05 | SRM 404 | 2 | 477 | 542.60 | -0.16 | -27 | 1534 | 9099 | -293 | 907 | 7821 |