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 |
|---|---|---|---|
| xiaolanhai | 1 | 1849 | 1146 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.297 | 0.297 | 0.297 | 54.0 | -54 | -54 | 1146 | 1146 | 3525 |
| SRMFix | 0.587 | 0.587 | 0.587 | 135.3 | 135 | 135 | 1335 | 1335 | 5409 |
| initial | 0.640 | 0.640 | 0.640 | 77.0 | 77 | 77 | 1277 | 1277 | 5999 |
| EloSRM | 0.714 | 0.714 | 0.714 | 232.6 | 233 | 233 | 1849 | 1849 | 5353 |
| Odd | 0.754 | 0.754 | 0.754 | 249.2 | 249 | 249 | 1712 | 1712 | 5466 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-07-08 | SRM 444 | 2 | 412 | 675.93 | 0.71 | 233 | 1849 | 5353 | -54 | 1146 | 3525 |