9.11 A chessplayer rating pool is a statistical ensemble in which individuals are distinguishable, yet any number of them may be alike as to rating.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Helmy | 3 | 1243 | 531 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | -0.292 | 0.292 | 0.296 | 42.3 | -62 | -32 | 1257 | 1192 | 3841 |
| EloSRM | -0.299 | 0.299 | 0.305 | 48.5 | -73 | -36 | 1315 | 1243 | 3796 |
| SRMFix | -0.346 | 0.346 | 0.359 | 65.7 | -113 | -41 | 1087 | 1003 | 3949 |
| initial | -0.389 | 0.389 | 0.391 | 46.8 | -55 | -43 | 1145 | 1060 | 3930 |
| SRM | -0.677 | 0.677 | 0.725 | 223.0 | -344 | -129 | 856 | 531 | 3869 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2005-01-27 | SRM 228 | 2 | 188 | 169.57 | -0.28 | -37 | 1243 | 3796 | -129 | 531 | 3869 |
| 2 | 2005-01-22 | SRM 227 | 2 | 207 | 175.21 | -0.24 | -36 | 1279 | 3489 | -196 | 660 | 3517 |
| 1 | 2005-01-05 | SRM 226 | 2 | 124 | 108.63 | -0.38 | -73 | 1315 | 3079 | -344 | 856 | 2585 |