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 |
|---|---|---|---|
| qdcharles | 4 | 2069 | 1322 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.136 | 0.280 | 0.292 | 65.5 | -70 | 107 | 1392 | 1322 | 1097 |
| SRMFix | 0.595 | 0.595 | 0.676 | 104.5 | 9 | 210 | 1618 | 1618 | 1449 |
| EloSRM | 0.555 | 0.614 | 0.705 | 169.8 | -9 | 310 | 2079 | 2069 | 1052 |
| Odd | 0.562 | 0.618 | 0.714 | 164.1 | -6 | 315 | 1982 | 1976 | 1082 |
| initial | 0.667 | 0.667 | 0.730 | 80.3 | 22 | 120 | 1521 | 1521 | 1621 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2005-09-14 | SRM 263 | 1 | 253 | 233.32 | -0.12 | -9 | 2069 | 1052 | -70 | 1322 | 1097 |
| 3 | 2005-08-30 | SRM 261 | 1 | 169 | 250.43 | 0.57 | 137 | 2079 | 1044 | 62 | 1392 | 923 |
| 2 | 2005-06-21 | SRM 248 | 1 | 183 | 293.27 | 0.68 | 223 | 1941 | 1191 | 107 | 1330 | 920 |
| 1 | 2005-06-01 | SRM 245 | 2 | 75 | 159.65 | 1.09 | 310 | 1718 | 1757 | 23 | 1223 | 1250 |