4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| iotasquared | 11 | 1944 | 884 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.035 | 0.400 | 0.498 | 41.1 | -86 | 52 | 1161 | 884 | 6393 |
| SRMFix | 0.068 | 0.404 | 0.564 | 43.4 | -81 | 154 | 1537 | 1406 | 4786 |
| EloSRM | 0.004 | 0.412 | 0.626 | 61.0 | -62 | 267 | 2062 | 1944 | 4675 |
| Odd | -0.005 | 0.433 | 0.628 | 60.9 | -57 | 281 | 1943 | 1829 | 4573 |
| initial | 0.149 | 0.452 | 0.609 | 54.4 | -142 | 153 | 1598 | 1398 | 4768 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | 2009-10-20 | SRM 451 | 2 | 365 | 283.10 | -0.37 | -18 | 1944 | 4675 | -5 | 884 | 6393 |
| 10 | 2009-03-04 | TCO09 Qual 3 | 1 | 792 | 661.57 | -0.51 | -39 | 1962 | 4449 | -86 | 889 | 8336 |
| 9 | 2009-02-07 | SRM 434 | 2 | 556 | 227.50 | -1.29 | -62 | 2001 | 4153 | -80 | 975 | 7207 |
| 8 | 2008-12-20 | SRM 430 | 2 | 214 | 230.82 | 0.11 | 25 | 2062 | 3661 | 9 | 1055 | 5816 |
| 7 | 2008-10-28 | SRM 423 | 2 | 167 | 167.05 | 0.00 | 18 | 2037 | 3689 | 7 | 1046 | 5996 |
| 6 | 2008-10-18 | SRM 422 | 2 | 181 | 423.94 | 1.23 | 169 | 2020 | 3810 | 52 | 1039 | 6198 |
| 5 | 2008-02-09 | TCO08 Qual 2 | 1 | 979 | 950.74 | -0.04 | 4 | 1851 | 4469 | -49 | 987 | 4969 |
| 4 | 2007-09-04 | SRM 364 | 2 | 238 | 232.31 | -0.04 | 14 | 1847 | 3764 | -37 | 1036 | 3752 |
| 3 | 2007-06-20 | SRM 355 | 2 | 222 | 236.66 | 0.09 | 30 | 1833 | 3629 | -27 | 1073 | 3416 |
| 2 | 2007-06-14 | SRM 354 | 2 | 309 | 310.70 | 0.01 | 25 | 1803 | 3783 | -61 | 1100 | 3211 |
| 1 | 2007-06-07 | SRM 353 | 2 | 302 | 544.27 | 0.85 | 267 | 1778 | 3917 | -39 | 1161 | 2798 |