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 |
|---|---|---|---|
| JJScott | 4 | 1396 | 630 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.049 | 0.446 | 0.544 | 101.9 | -84 | 214 | 1465 | 1396 | 6664 |
| SRMFix | -0.093 | 0.493 | 0.542 | 77.2 | -120 | 104 | 1157 | 1099 | 6344 |
| initial | -0.135 | 0.496 | 0.523 | 59.7 | -65 | 87 | 1200 | 1135 | 6680 |
| SRM | -0.382 | 0.715 | 0.767 | 175.5 | -387 | 66 | 813 | 630 | 7055 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2007-02-03 | SRM 337 | 2 | 544 | 444.56 | -0.40 | -69 | 1396 | 6664 | -120 | 630 | 7055 |
| 3 | 2005-11-21 | SRM 273 | 2 | 147 | 280.29 | 0.93 | 214 | 1465 | 3490 | 66 | 750 | 4147 |
| 2 | 2005-11-08 | SRM 271 | 2 | 232 | 241.70 | 0.06 | 40 | 1251 | 5053 | -129 | 684 | 4380 |
| 1 | 2003-03-06 | SRM 137 | 2 | 177 | 152.22 | -0.39 | -84 | 1211 | 3242 | -387 | 813 | 2682 |