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 |
|---|---|---|---|
| lixuechengufo | 2 | 1682 | 687 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.225 | 0.241 | 0.330 | 29.0 | -56 | 2 | 1146 | 1146 | 10109 |
| Odd | -0.103 | 0.249 | 0.270 | 63.4 | -73 | 53 | 1511 | 1511 | 9554 |
| EloSRM | -0.131 | 0.265 | 0.295 | 70.2 | -91 | 50 | 1682 | 1682 | 9334 |
| SRMFix | -0.218 | 0.299 | 0.370 | 67.0 | -120 | 14 | 1094 | 1094 | 10013 |
| SRM | -0.794 | 0.794 | 0.963 | 256.5 | -448 | -65 | 752 | 687 | 9820 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-08-30 | SRM 516 | 2 | 661 | 725.56 | 0.13 | 50 | 1682 | 9334 | -65 | 687 | 9820 |
| 1 | 2011-08-20 | SRM 515 | 2 | 885 | 745.40 | -0.40 | -91 | 1633 | 10199 | -448 | 752 | 9048 |