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 |
|---|---|---|---|
| chensheng | 4 | 2234 | 1098 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 1.560 | 1.868 | 2.445 | 225.0 | -40 | 451 | 1992 | 1951 | 2339 |
| EloSRM | 1.593 | 1.870 | 2.464 | 204.7 | -50 | 452 | 2279 | 2234 | 2717 |
| Odd | 1.615 | 1.878 | 2.486 | 197.3 | -43 | 443 | 2136 | 2092 | 2767 |
| SRMFix | 1.514 | 1.916 | 2.450 | 224.0 | -79 | 398 | 1883 | 1828 | 2274 |
| SRM | 1.364 | 2.131 | 2.587 | 228.5 | -340 | 208 | 1266 | 1098 | 3917 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-07-23 | SRM 445 | 1 | 632 | 531.98 | -0.32 | -46 | 2234 | 2717 | -168 | 1098 | 3917 |
| 3 | 2009-07-08 | SRM 444 | 2 | 22 | 292.14 | 3.73 | 271 | 2279 | 2476 | 208 | 1266 | 2599 |
| 2 | 2009-05-12 | SRM 440 | 2 | 77 | 705.58 | 3.20 | 452 | 2008 | 4087 | 198 | 1058 | 4842 |
| 1 | 2009-04-30 | SRM 439 | 2 | 421 | 430.79 | -0.23 | -50 | 1556 | 9356 | -340 | 860 | 8682 |