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 |
|---|---|---|---|
| DavidN | 2 | 1977 | 1297 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.946 | 1.093 | 1.445 | 72.5 | -24 | 121 | 1297 | 1297 | 1573 |
| SRMFix | 1.493 | 1.493 | 1.698 | 234.8 | 156 | 314 | 1670 | 1670 | 1784 |
| EloSRM | 1.542 | 1.542 | 1.684 | 266.6 | 262 | 272 | 1977 | 1977 | 1855 |
| Odd | 1.563 | 1.563 | 1.693 | 270.4 | 263 | 277 | 1894 | 1894 | 1862 |
| initial | 1.662 | 1.662 | 1.910 | 200.1 | 87 | 314 | 1600 | 1600 | 1946 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2006-04-11 | SRM 298 | 2 | 40 | 186.01 | 2.22 | 272 | 1977 | 1855 | 121 | 1297 | 1573 |
| 1 | 2006-02-08 | SRM 288 | 2 | 121 | 220.71 | 0.87 | 262 | 1705 | 2687 | -24 | 1176 | 1986 |