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 |
|---|---|---|---|
| patrickm | 4 | 1861 | 1040 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.185 | 0.185 | 0.215 | 40.0 | -51 | -25 | 1151 | 1040 | 4388 |
| SRMFix | 0.254 | 0.294 | 0.367 | 55.3 | -11 | 112 | 1401 | 1399 | 4345 |
| Odd | 0.266 | 0.376 | 0.463 | 99.8 | 3 | 217 | 1761 | 1761 | 4110 |
| EloSRM | 0.278 | 0.390 | 0.483 | 103.0 | -4 | 202 | 1861 | 1861 | 4125 |
| initial | 0.421 | 0.421 | 0.483 | 50.6 | 22 | 92 | 1403 | 1403 | 4111 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2007-12-11 | SRM 382 | 2 | 218 | 212.34 | -0.04 | 15 | 1861 | 4125 | -25 | 1040 | 4388 |
| 3 | 2007-10-13 | SRM 371 | 2 | 325 | 286.11 | -0.19 | -4 | 1846 | 3879 | -51 | 1065 | 3608 |
| 2 | 2007-09-04 | SRM 364 | 2 | 203 | 332.97 | 0.71 | 192 | 1850 | 3739 | -35 | 1116 | 3182 |
| 1 | 2006-05-09 | SRM 301 | 2 | 153 | 235.42 | 0.62 | 202 | 1658 | 3438 | -49 | 1151 | 2395 |