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 |
|---|---|---|---|
| gavagyan | 2 | 1987 | 1110 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.856 | 0.856 | 1.131 | 131.0 | 29 | 233 | 1462 | 1462 | 4332 |
| SRM | 0.125 | 0.890 | 0.899 | 114.0 | -159 | 69 | 1110 | 1110 | 3855 |
| EloSRM | 0.907 | 0.907 | 1.126 | 178.6 | 103 | 254 | 1987 | 1987 | 4315 |
| initial | 0.922 | 0.922 | 1.190 | 111.1 | 21 | 202 | 1422 | 1422 | 4576 |
| Odd | 0.935 | 0.935 | 1.139 | 187.2 | 125 | 249 | 1846 | 1846 | 4440 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-10-20 | SRM 451 | 2 | 155 | 461.71 | 1.58 | 254 | 1987 | 4315 | 69 | 1110 | 3855 |
| 1 | 2009-10-17 | SRM 450 | 2 | 564 | 665.89 | 0.24 | 103 | 1733 | 6397 | -159 | 1041 | 4421 |