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 |
|---|---|---|---|
| david.m.nelson | 2 | 1827 | 1127 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.025 | 0.552 | 0.553 | 63.5 | -100 | 27 | 1127 | 1127 | 2884 |
| SRMFix | 0.660 | 0.660 | 0.749 | 115.3 | 73 | 158 | 1431 | 1431 | 3245 |
| EloSRM | 0.706 | 0.706 | 0.746 | 165.6 | 164 | 167 | 1827 | 1827 | 3226 |
| Odd | 0.734 | 0.734 | 0.769 | 175.3 | 167 | 183 | 1737 | 1737 | 3265 |
| initial | 0.758 | 0.758 | 0.858 | 91.3 | 43 | 140 | 1383 | 1383 | 3389 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2007-03-10 | SRM 341 | 2 | 181 | 348.94 | 0.95 | 164 | 1827 | 3226 | 27 | 1127 | 2884 |
| 1 | 2007-02-20 | SRM 340 | 2 | 305 | 420.95 | 0.46 | 167 | 1663 | 4479 | -100 | 1100 | 3288 |