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 |
|---|---|---|---|
| irah | 4 | 2246 | 1152 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.410 | 1.690 | 1.926 | 318.9 | -88 | 620 | 2246 | 2246 | 2177 |
| initial | 1.517 | 1.855 | 2.089 | 223.4 | -61 | 323 | 1748 | 1748 | 2709 |
| SRMFix | 1.513 | 1.876 | 2.100 | 246.7 | -126 | 330 | 1687 | 1687 | 2783 |
| SRM | 1.195 | 1.971 | 2.072 | 245.3 | -392 | 178 | 1152 | 1152 | 3508 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-03-06 | SRM 392 | 2 | 54 | 225.04 | 2.06 | 248 | 2246 | 2177 | 166 | 1152 | 3508 |
| 3 | 2007-10-17 | SRM 372 | 2 | 100 | 602.54 | 2.59 | 620 | 1998 | 2958 | 178 | 986 | 4218 |
| 2 | 2007-10-04 | SRM 369 | 2 | 254 | ||||||||
| 1 | 2006-07-22 | SRM 312 | 2 | 407 | 337.17 | -0.42 | -88 | 1378 | 6072 | -392 | 808 | 5375 |