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 |
|---|---|---|---|
| database | 4 | 1205 | 551 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.293 | 0.293 | 0.338 | 35.9 | -67 | 13 | 1336 | 1205 | 3230 |
| SRMFix | -0.311 | 0.311 | 0.333 | 49.6 | -81 | -29 | 1153 | 1002 | 3534 |
| Odd | -0.313 | 0.313 | 0.362 | 37.5 | -61 | 26 | 1303 | 1179 | 3232 |
| initial | -0.334 | 0.334 | 0.364 | 40.2 | -64 | -18 | 1182 | 1039 | 3563 |
| SRM | -0.644 | 0.644 | 0.683 | 162.2 | -226 | -72 | 988 | 551 | 3409 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2003-10-21 | SRM 168 | 2 | 264 | 213.98 | -0.39 | -40 | 1205 | 3230 | -139 | 551 | 3409 |
| 3 | 2003-10-14 | SRM 167 | 2 | 166 | 188.17 | -0.22 | -23 | 1245 | 2862 | -72 | 690 | 3016 |
| 2 | 2003-10-01 | SRM 166 | 2 | 263 | 207.91 | -0.50 | -67 | 1268 | 2606 | -226 | 762 | 2632 |
| 1 | 2003-09-23 | SRM 165 | 2 | 158 | 151.82 | -0.06 | 13 | 1336 | 2337 | -212 | 988 | 1706 |