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 |
|---|---|---|---|
| jwatson000 | 4 | 2135 | 1135 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.361 | 0.701 | 0.814 | 104.8 | -158 | 115 | 1315 | 1135 | 3918 |
| SRMFix | 0.646 | 0.733 | 0.986 | 124.2 | -15 | 324 | 1664 | 1649 | 3452 |
| initial | 0.844 | 0.862 | 1.204 | 103.8 | -4 | 216 | 1611 | 1607 | 3723 |
| Odd | 0.824 | 0.873 | 1.201 | 164.8 | -14 | 435 | 2012 | 1998 | 3967 |
| EloSRM | 0.867 | 0.904 | 1.253 | 174.4 | -13 | 424 | 2148 | 2135 | 4036 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-12-18 | Member SRM 491 | 1 | 566 | 595.44 | -0.07 | -13 | 2135 | 4036 | -84 | 1135 | 3918 |
| 3 | 2010-06-30 | Member Single Round Match 474 | 2 | 83 | 292.67 | 1.82 | 253 | 2148 | 3529 | 62 | 1219 | 2922 |
| 2 | 2010-03-25 | Member SRM 465 | 1 | 385 | 423.59 | 0.00 | 7 | 1895 | 4826 | -158 | 1157 | 3212 |
| 1 | 2006-07-06 | SRM 310 | 2 | 69 | 227.80 | 1.72 | 424 | 1888 | 2426 | 115 | 1315 | 1602 |