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 |
|---|---|---|---|
| roger_pku | 2 | 1672 | 718 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.155 | 0.683 | 0.700 | 82.2 | -64 | 101 | 1237 | 1237 | 6584 |
| EloSRM | 0.224 | 0.736 | 0.769 | 151.3 | -83 | 220 | 1672 | 1672 | 6575 |
| SRMFix | 0.224 | 0.762 | 0.794 | 139.3 | -125 | 154 | 1229 | 1229 | 6617 |
| SRM | 0.094 | 0.791 | 0.796 | 241.0 | -276 | -206 | 924 | 718 | 9483 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-05-24 | College Tour Beijing | 1 | 332 | 645.59 | 0.96 | 220 | 1672 | 6575 | -206 | 718 | 9483 |
| 1 | 2007-12-04 | College Tour SRM 380 | 1 | 200 | 136.73 | -0.51 | -83 | 1452 | 7938 | -276 | 924 | 5333 |