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 |
|---|---|---|---|
| SonaXiao | 2 | 2009 | 938 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.063 | 0.094 | 0.113 | 11.4 | -4 | 19 | 1219 | 1215 | 6591 |
| SRMFix | 0.004 | 0.110 | 0.110 | 23.0 | -18 | 28 | 1228 | 1210 | 6508 |
| EloSRM | 0.016 | 0.184 | 0.185 | 48.7 | -7 | 90 | 2017 | 2009 | 6359 |
| SRM | -0.602 | 0.602 | 0.605 | 131.0 | -142 | -120 | 1058 | 938 | 5452 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2015-09-11 | SRM 667 | 2 | 443 | 394.44 | -0.17 | -7 | 2009 | 6359 | -120 | 938 | 5452 |
| 1 | 2015-08-25 | SRM 666 | 2 | 240 | 275.71 | 0.20 | 90 | 2017 | 6429 | -142 | 1058 | 4514 |