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 |
|---|---|---|---|
| Koski | 3 | 1579 | 495 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.262 | 0.262 | 0.278 | 49.7 | -69 | -18 | 1710 | 1579 | 12715 |
| SRMFix | -0.348 | 0.348 | 0.354 | 60.2 | -64 | -54 | 1138 | 1019 | 12542 |
| initial | -0.352 | 0.352 | 0.367 | 42.4 | -54 | -25 | 1175 | 1073 | 12545 |
| SRM | -0.877 | 0.877 | 0.916 | 235.0 | -297 | -191 | 903 | 495 | 12380 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2012-11-10 | SRM 560 | 2 | 949 | 782.52 | -0.32 | -69 | 1579 | 12715 | -191 | 495 | 12380 |
| 2 | 2011-12-06 | SRM 526 | 2 | 508 | 435.92 | -0.33 | -63 | 1647 | 10435 | -217 | 686 | 10224 |
| 1 | 2011-09-19 | SRM 519 | 2 | 685 | 624.95 | -0.13 | -18 | 1710 | 9222 | -297 | 903 | 7044 |