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 |
|---|---|---|---|
| zhangchen | 2 | 1952 | 1293 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.003 | 1.003 | 1.021 | 212.0 | 193 | 231 | 1952 | 1952 | 3880 |
| SRMFix | 1.017 | 1.017 | 1.044 | 183.0 | 176 | 190 | 1566 | 1566 | 3413 |
| SRM | 1.028 | 1.028 | 1.125 | 111.5 | -65 | 158 | 1358 | 1293 | 2550 |
| initial | 1.206 | 1.206 | 1.276 | 145.2 | 95 | 195 | 1490 | 1490 | 3858 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2008-05-03 | East China Round 1 | 1 | 185 | 423.40 | 1.19 | 193 | 1952 | 3880 | -65 | 1293 | 2550 |
| 1 | 2007-10-09 | College Tour SRM 370 | 1 | 77 | 135.12 | 0.81 | 231 | 1759 | 4407 | 158 | 1358 | 1709 |