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 |
|---|---|---|---|
| ------cjs------ | 4 | 2457 | 1201 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.588 | 1.798 | 2.282 | 257.7 | -83 | 751 | 2457 | 2457 | 1672 |
| SRMFix | 1.635 | 1.800 | 2.253 | 247.6 | -55 | 593 | 2080 | 2080 | 1248 |
| Odd | 1.605 | 1.820 | 2.303 | 259.6 | -78 | 768 | 2329 | 2329 | 1632 |
| initial | 2.088 | 2.133 | 2.559 | 256.8 | -11 | 416 | 2205 | 2205 | 1732 |
| SRM | 2.323 | 2.675 | 3.095 | 321.8 | -643 | 271 | 1471 | 1201 | 3527 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-02-12 | SRM 435 | 2 | 9 | 63.49 | 2.82 | 140 | 2457 | 1672 | 218 | 1201 | 3527 |
| 3 | 2009-02-07 | SRM 434 | 2 | 83 | 110.57 | 0.41 | 57 | 2316 | 2276 | 155 | 983 | 7135 |
| 2 | 2009-01-21 | SRM 433 | 1 | 637 | 475.91 | -0.42 | -83 | 2259 | 2557 | -643 | 828 | 9240 |
| 1 | 2009-01-06 | SRM 432 | 2 | 39 | 453.90 | 3.54 | 751 | 2342 | 2148 | 271 | 1471 | 1658 |