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 |
|---|---|---|---|
| lollipop | 4 | 1699 | 770 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.080 | 0.419 | 0.464 | 50.5 | -73 | 61 | 1261 | 1171 | 7776 |
| SRMFix | -0.160 | 0.460 | 0.520 | 83.5 | -122 | 105 | 1305 | 1160 | 7368 |
| EloSRM | -0.152 | 0.537 | 0.591 | 103.6 | -98 | 195 | 1815 | 1699 | 6722 |
| Odd | -0.133 | 0.549 | 0.599 | 103.5 | -87 | 211 | 1677 | 1578 | 6704 |
| SRM | -0.671 | 0.671 | 0.763 | 143.3 | -282 | -67 | 1119 | 770 | 7827 |
| # | 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 | 857 | ||||||||
| 3 | 2009-09-23 | SRM 449 | 2 | 561 | 646.86 | -0.22 | -18 | 1699 | 6722 | -67 | 770 | 7827 |
| 2 | 2009-08-25 | SRM 447 | 2 | 771 | 481.89 | -0.82 | -98 | 1717 | 6531 | -282 | 837 | 7073 |
| 1 | 2009-08-08 | SRM 446 | 2 | 478 | 713.95 | 0.58 | 195 | 1815 | 5621 | -81 | 1119 | 3731 |