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 |
|---|---|---|---|
| GuichunYu | 4 | 2135 | 927 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.705 | 0.882 | 1.381 | 106.2 | -43 | 325 | 1540 | 1540 | 5461 |
| EloSRM | 0.764 | 0.911 | 1.355 | 132.9 | -64 | 261 | 2135 | 2135 | 6344 |
| SRMFix | 0.717 | 0.914 | 1.393 | 105.1 | -93 | 252 | 1435 | 1435 | 6467 |
| SRM | 0.360 | 1.094 | 1.444 | 150.8 | -349 | 157 | 927 | 927 | 7548 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2013-04-06 | SRM 575 | 2 | 127 | 789.52 | 2.64 | 261 | 2135 | 6344 | 157 | 927 | 7548 |
| 3 | 2013-03-25 | SRM 574 | 2 | 603 | 861.43 | 0.52 | 118 | 1874 | 9066 | 8 | 770 | 10027 |
| 2 | 2013-03-06 | SRM 572 | 2 | 520 | 596.77 | 0.20 | 89 | 1756 | 10441 | -89 | 762 | 10049 |
| 1 | 2011-10-13 | SRM 521 | 2 | 799 | 785.57 | -0.29 | -64 | 1667 | 9943 | -349 | 851 | 7809 |