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 |
|---|---|---|---|
| alok_cha | 2 | 1512 | 646 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.265 | 0.265 | 0.268 | 40.1 | -42 | -39 | 1425 | 1384 | 9331 |
| EloSRM | -0.289 | 0.289 | 0.290 | 52.9 | -55 | -51 | 1563 | 1512 | 9342 |
| initial | -0.363 | 0.363 | 0.364 | 43.8 | -47 | -41 | 1159 | 1112 | 9744 |
| SRMFix | -0.368 | 0.368 | 0.369 | 75.1 | -93 | -58 | 1107 | 1050 | 9787 |
| SRM | -0.995 | 0.995 | 1.035 | 277.0 | -353 | -201 | 847 | 646 | 8932 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-08 | SRM 446 | 2 | 838 | 755.35 | -0.31 | -51 | 1512 | 9342 | -201 | 646 | 8932 |
| 1 | 2009-07-23 | SRM 445 | 2 | 866 | 719.64 | -0.27 | -55 | 1563 | 8108 | -353 | 847 | 7008 |