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 |
|---|---|---|---|
| YundengCao | 2 | 1600 | 744 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.146 | 0.146 | 0.147 | 19.9 | -24 | -15 | 1624 | 1600 | 8137 |
| initial | -0.234 | 0.234 | 0.237 | 28.2 | -33 | -24 | 1176 | 1144 | 8526 |
| SRMFix | -0.253 | 0.253 | 0.253 | 52.0 | -63 | -41 | 1137 | 1096 | 8292 |
| SRM | -0.962 | 0.962 | 0.997 | 228.0 | -296 | -160 | 904 | 744 | 7592 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-08-04 | Member SRM 478 | 2 | 780 | 695.40 | -0.17 | -24 | 1600 | 8137 | -160 | 744 | 7592 |
| 1 | 2009-12-22 | SRM 456 | 2 | 559 | 512.02 | -0.13 | -15 | 1624 | 7174 | -296 | 904 | 5582 |