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 |
|---|---|---|---|
| qiaolw | 2 | 1702 | 703 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.185 | 0.281 | 0.337 | 33.9 | -56 | 12 | 1155 | 1155 | 9507 |
| Odd | -0.062 | 0.290 | 0.296 | 72.6 | -73 | 72 | 1529 | 1529 | 9295 |
| EloSRM | -0.090 | 0.305 | 0.318 | 79.9 | -91 | 69 | 1702 | 1702 | 9092 |
| SRMFix | -0.178 | 0.339 | 0.383 | 73.8 | -120 | 28 | 1108 | 1108 | 9585 |
| SRM | -0.754 | 0.754 | 0.954 | 248.5 | -448 | -49 | 752 | 703 | 9657 |
| # | 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 | 625 | 725.56 | 0.22 | 69 | 1702 | 9092 | -49 | 703 | 9657 |
| 1 | 2011-08-20 | SRM 515 | 2 | 885 | 745.40 | -0.40 | -91 | 1633 | 10199 | -448 | 752 | 9048 |