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 |
|---|---|---|---|
| tiandrey | 5 | 1957 | 993 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.277 | 0.322 | 0.397 | 76.5 | 4 | 156 | 1957 | 1957 | 4545 |
| SRM | -0.097 | 0.322 | 0.413 | 47.4 | -134 | 15 | 1066 | 993 | 6533 |
| SRMFix | 0.323 | 0.323 | 0.407 | 48.5 | 3 | 105 | 1442 | 1442 | 4842 |
| initial | 0.447 | 0.447 | 0.506 | 53.8 | 20 | 93 | 1469 | 1469 | 4414 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-02-07 | SRM 434 | 2 | 265 | 355.07 | 0.42 | 52 | 1957 | 4545 | 15 | 993 | 6533 |
| 4 | 2009-01-21 | SRM 433 | 2 | 370 | 342.08 | -0.11 | 4 | 1905 | 4963 | -33 | 978 | 7176 |
| 3 | 2009-01-06 | SRM 432 | 2 | 281 | 285.10 | 0.02 | 23 | 1901 | 4986 | -36 | 1011 | 6383 |
| 2 | 2008-12-20 | SRM 430 | 2 | 296 | 470.48 | 0.67 | 156 | 1879 | 5202 | -19 | 1047 | 5880 |
| 1 | 2008-09-11 | SRM 417 | 2 | 467 | 609.65 | 0.38 | 148 | 1723 | 6684 | -134 | 1066 | 6018 |