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 |
|---|---|---|---|
| griefers | 4 | 1525 | 447 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.218 | 0.369 | 0.397 | 44.4 | -71 | 36 | 1236 | 1095 | 12405 |
| SRMFix | -0.264 | 0.384 | 0.433 | 61.2 | -114 | 58 | 1258 | 1070 | 11651 |
| EloSRM | -0.239 | 0.436 | 0.470 | 87.0 | -105 | 153 | 1719 | 1525 | 10556 |
| Odd | -0.240 | 0.453 | 0.482 | 87.3 | -95 | 168 | 1599 | 1418 | 10170 |
| SRM | -0.738 | 0.738 | 0.811 | 188.2 | -329 | -96 | 1056 | 447 | 12478 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-03-24 | SRM 437 | 2 | 796 | 622.26 | -0.39 | -63 | 1525 | 10556 | -184 | 447 | 12478 |
| 3 | 2008-10-02 | SRM 420 | 2 | 593 | 503.24 | -0.24 | -27 | 1587 | 8425 | -96 | 631 | 11686 |
| 2 | 2008-08-06 | SRM 413 | 2 | 694 | 428.72 | -0.72 | -105 | 1614 | 7754 | -329 | 727 | 10836 |
| 1 | 2008-07-10 | SRM 409 | 2 | 507 | 665.81 | 0.39 | 153 | 1719 | 6601 | -144 | 1056 | 6162 |