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 |
|---|---|---|---|
| qwertyuio | 4 | 1533 | 886 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.066 | 0.281 | 0.358 | 33.8 | -51 | 68 | 1283 | 1232 | 2366 |
| SRMFix | -0.007 | 0.298 | 0.355 | 44.2 | -57 | 82 | 1303 | 1229 | 2367 |
| SRM | -0.302 | 0.322 | 0.402 | 78.5 | -138 | -16 | 1062 | 886 | 2502 |
| Odd | -0.043 | 0.456 | 0.501 | 78.2 | -45 | 154 | 1539 | 1485 | 2220 |
| EloSRM | -0.028 | 0.458 | 0.499 | 85.4 | -50 | 172 | 1600 | 1533 | 2219 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2005-03-03 | SRM 233 | 2 | 201 | 124.28 | -0.69 | -50 | 1533 | 2219 | -95 | 886 | 2502 |
| 3 | 2005-02-19 | SRM 231 | 2 | 157 | 129.57 | -0.28 | -17 | 1583 | 2105 | -65 | 981 | 2149 |
| 2 | 2005-01-31 | SRM 229 | 2 | 79 | 126.24 | 0.61 | 172 | 1600 | 2036 | -16 | 1046 | 1836 |
| 1 | 2003-10-14 | SRM 167 | 2 | 157 | 186.26 | 0.25 | 103 | 1429 | 2155 | -138 | 1062 | 1551 |