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 |
|---|---|---|---|
| Ertong | 9 | 2035 | 951 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.583 | 0.813 | 1.377 | 68.4 | -48 | 212 | 1588 | 1588 | 3349 |
| initial | 0.612 | 0.824 | 1.375 | 99.2 | -37 | 449 | 1863 | 1863 | 2417 |
| Odd | 0.550 | 0.826 | 1.323 | 87.7 | -56 | 169 | 1918 | 1918 | 3384 |
| EloSRM | 0.555 | 0.833 | 1.325 | 92.6 | -57 | 186 | 2035 | 2035 | 3368 |
| SRM | 0.519 | 0.913 | 1.524 | 109.4 | -218 | 182 | 1085 | 951 | 6926 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2008-05-24 | SRM 402 | 2 | 25 | 293.89 | 3.56 | 161 | 2035 | 3368 | 182 | 951 | 6926 |
| 8 | 2008-04-12 | SRM 397 | 2 | 409 | 306.26 | -0.42 | -19 | 1874 | 4413 | 3 | 769 | 7314 |
| 7 | 2008-02-16 | TCO08 Round 1 | 1 | 1390 | 1,314.93 | -0.12 | -15 | 1893 | 4139 | -100 | 766 | 7297 |
| 6 | 2008-02-09 | TCO08 Qual 2 | 1 | 381 | 1,065.07 | 1.48 | 186 | 1908 | 4009 | 180 | 866 | 6167 |
| 5 | 2008-02-05 | TCO08 Qual 1 | 1 | 987 | 771.88 | -0.36 | -57 | 1722 | 5479 | -218 | 686 | 8121 |
| 4 | 2008-01-15 | SRM 388 | 2 | 305 | 399.33 | 0.39 | 77 | 1779 | 4890 | 3 | 904 | 5724 |
| 3 | 2007-10-13 | SRM 371 | 2 | 372 | 416.06 | -0.34 | -32 | 1703 | 4866 | -110 | 901 | 4912 |
| 2 | 2007-10-02 | College Tour SRM 368 | 1 | 30 | 43.52 | 0.54 | 175 | 1735 | 4524 | -74 | 1011 | 3901 |
| 1 | 2006-03-17 | SRM 293 | 2 | 258 | 313.23 | 0.28 | 112 | 1560 | 3701 | -115 | 1085 | 2583 |