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 |
|---|---|---|---|
| potterd | 4 | 1689 | 780 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.006 | 0.194 | 0.256 | 29.4 | -54 | 53 | 1259 | 1209 | 7342 |
| initial | 0.050 | 0.224 | 0.267 | 27.0 | -42 | 47 | 1258 | 1224 | 7331 |
| EloSRM | 0.044 | 0.225 | 0.259 | 60.6 | -52 | 85 | 1720 | 1689 | 7155 |
| Odd | 0.050 | 0.229 | 0.267 | 60.9 | -43 | 97 | 1603 | 1580 | 7095 |
| SRM | -0.545 | 0.545 | 0.636 | 105.0 | -204 | -40 | 996 | 780 | 9776 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-11-25 | SRM 427 | 2 | 409 | 419.91 | 0.04 | 22 | 1689 | 7155 | -40 | 780 | 9776 |
| 3 | 2008-11-22 | SRM 426 | 2 | 525 | 500.37 | -0.36 | -52 | 1668 | 7285 | -124 | 820 | 9032 |
| 2 | 2008-03-26 | SRM 395 | 2 | 254 | 317.93 | 0.32 | 84 | 1720 | 5689 | -52 | 944 | 5488 |
| 1 | 2008-03-22 | SRM 394 | 2 | 502 | 566.57 | 0.18 | 85 | 1636 | 6394 | -204 | 996 | 4989 |