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 |
|---|---|---|---|
| xuehuichao | 2 | 1924 | 1331 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.828 | 0.845 | 1.183 | 173.0 | -3 | 343 | 1543 | 1540 | 3758 |
| initial | 0.860 | 0.860 | 1.191 | 103.6 | 4 | 203 | 1407 | 1407 | 4699 |
| EloSRM | 0.865 | 0.865 | 1.204 | 183.6 | 21 | 346 | 1924 | 1924 | 4829 |
| Odd | 0.868 | 0.868 | 1.210 | 184.9 | 18 | 352 | 1795 | 1795 | 4866 |
| SRM | 0.523 | 0.987 | 1.117 | 223.5 | -158 | 289 | 1489 | 1331 | 2185 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-09-23 | SRM 449 | 1 | 541 | 662.53 | 0.03 | 21 | 1924 | 4829 | -158 | 1331 | 2185 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 228 | 741.75 | 1.70 | 346 | 1902 | 4282 | 289 | 1489 | 1429 |