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 |
|---|---|---|---|
| qianyang | 1 | 1522 | 762 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.397 | 0.397 | 0.397 | 92.1 | -92 | -92 | 1522 | 1522 | 9221 |
| initial | -0.458 | 0.458 | 0.458 | 55.2 | -55 | -55 | 1145 | 1145 | 9122 |
| SRMFix | -0.518 | 0.518 | 0.518 | 120.2 | -120 | -120 | 1080 | 1080 | 9421 |
| SRM | -1.394 | 1.394 | 1.394 | 438.0 | -438 | -438 | 762 | 762 | 7928 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-06-23 | SRM 443 | 2 | 722 | 548.45 | -0.40 | -92 | 1522 | 9221 | -438 | 762 | 7928 |