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 |
|---|---|---|---|
| katherinezh | 2 | 1977 | 1372 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 1.057 | 1.081 | 1.512 | 211.6 | -4 | 419 | 1619 | 1615 | 3415 |
| EloSRM | 1.094 | 1.094 | 1.533 | 210.1 | 17 | 404 | 1977 | 1977 | 4353 |
| initial | 1.096 | 1.096 | 1.521 | 132.0 | 5 | 259 | 1464 | 1464 | 4456 |
| Odd | 1.098 | 1.098 | 1.540 | 211.5 | 14 | 409 | 1848 | 1848 | 4438 |
| SRM | 0.728 | 1.249 | 1.445 | 269.0 | -183 | 355 | 1555 | 1372 | 2221 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-02-07 | SRM 434 | 1 | 447 | 534.66 | 0.02 | 17 | 1977 | 4353 | -183 | 1372 | 2221 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 165 | 741.75 | 2.17 | 404 | 1960 | 3822 | 355 | 1555 | 1195 |