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 |
|---|---|---|---|
| winua | 4 | 1835 | 679 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.447 | 0.771 | 0.929 | 127.0 | -127 | 182 | 1835 | 1835 | 5533 |
| initial | 0.364 | 0.797 | 0.922 | 95.9 | -72 | 184 | 1375 | 1375 | 4980 |
| SRMFix | 0.413 | 0.826 | 0.975 | 114.3 | -149 | 166 | 1300 | 1300 | 5752 |
| SRM | 0.236 | 1.101 | 1.256 | 269.2 | -692 | 152 | 679 | 679 | 8660 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-10-17 | SRM 450 | 2 | 223 | 644.00 | 1.53 | 182 | 1835 | 5533 | 152 | 679 | 8660 |
| 3 | 2009-09-23 | SRM 449 | 2 | 465 | 879.50 | 0.91 | 181 | 1654 | 7158 | 126 | 527 | 9774 |
| 2 | 2009-09-10 | SRM 448 | 2 | 875 | 802.48 | -0.12 | -18 | 1473 | 10006 | -107 | 401 | 10241 |
| 1 | 2009-07-23 | SRM 445 | 2 | 1031 | 719.26 | -0.52 | -127 | 1491 | 9630 | -692 | 508 | 9837 |