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 |
|---|---|---|---|
| sumi123 | 8 | 1915 | 690 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.164 | 0.542 | 0.629 | 71.6 | -92 | 190 | 1752 | 1752 | 7392 |
| EloSRM | 0.159 | 0.548 | 0.637 | 75.8 | -110 | 201 | 1915 | 1915 | 7364 |
| initial | 0.145 | 0.558 | 0.646 | 67.2 | -80 | 126 | 1340 | 1340 | 6817 |
| SRMFix | 0.184 | 0.570 | 0.665 | 68.3 | -135 | 112 | 1264 | 1264 | 7666 |
| SRM | 0.117 | 0.693 | 0.833 | 127.5 | -520 | 85 | 723 | 690 | 10331 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2012-01-31 | SRM 531 | 2 | 350 | 672.04 | 0.94 | 76 | 1915 | 7364 | 85 | 690 | 10331 |
| 7 | 2012-01-14 | SRM 529 | 2 | 842 | 689.17 | -0.29 | -15 | 1839 | 8133 | -16 | 605 | 11109 |
| 6 | 2011-12-28 | SRM 528 | 2 | 882 | 613.31 | -0.66 | -45 | 1853 | 7929 | -102 | 621 | 10958 |
| 5 | 2011-12-17 | SRM 527 | 2 | 403 | 728.62 | 0.85 | 101 | 1899 | 7378 | 77 | 723 | 9891 |
| 4 | 2011-12-06 | SRM 526 | 2 | 381 | 408.99 | 0.10 | 29 | 1798 | 8396 | 8 | 646 | 10623 |
| 3 | 2011-11-29 | SRM 525 | 2 | 498 | 949.27 | 0.93 | 201 | 1769 | 8798 | 85 | 638 | 10773 |
| 2 | 2011-11-17 | SRM 524 | 2 | 694 | 688.43 | -0.14 | -30 | 1568 | 11910 | -127 | 553 | 11391 |
| 1 | 2011-05-03 | Member SRM 505 | 2 | 977 | 738.13 | -0.47 | -110 | 1598 | 9997 | -520 | 680 | 9382 |