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 |
|---|---|---|---|
| ziyoushouhuzhe | 2 | 2114 | 1299 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.314 | 0.424 | 0.528 | 59.5 | -10 | 109 | 1309 | 1299 | 2372 |
| SRMFix | 0.883 | 0.883 | 1.152 | 179.6 | 25 | 335 | 1559 | 1559 | 3621 |
| initial | 0.930 | 0.930 | 1.192 | 112.0 | 22 | 202 | 1424 | 1424 | 4531 |
| EloSRM | 0.941 | 0.941 | 1.241 | 249.0 | 53 | 445 | 2114 | 2114 | 3372 |
| Odd | 0.961 | 0.961 | 1.269 | 254.9 | 48 | 461 | 1973 | 1973 | 3466 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-23 | SRM 445 | 1 | 368 | 547.76 | 0.13 | 53 | 2114 | 3372 | -10 | 1299 | 2372 |
| 1 | 2009-07-08 | SRM 444 | 2 | 201 | 675.93 | 1.75 | 445 | 2062 | 3747 | 109 | 1309 | 2305 |