4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Petrs | 9 | 2265 | 1287 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.811 | 1.054 | 1.424 | 126.9 | -77 | 410 | 2079 | 2079 | 1378 |
| Odd | 0.889 | 1.100 | 1.474 | 116.1 | -79 | 231 | 2140 | 2140 | 1704 |
| EloSRM | 0.887 | 1.103 | 1.480 | 121.5 | -76 | 237 | 2265 | 2265 | 1657 |
| SRMFix | 0.873 | 1.120 | 1.460 | 105.5 | -112 | 223 | 1807 | 1807 | 1800 |
| SRM | 0.871 | 1.278 | 1.644 | 136.8 | -352 | 170 | 1287 | 1287 | 2042 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | 2007-08-30 | TCCC07 Round 1B | 1 | 94 | 294.72 | 1.65 | 156 | 2265 | 1657 | 161 | 1287 | 2042 |
| 8 | 2007-08-21 | TCCC07 Qual 2 | 1 | 159 | 348.15 | 1.13 | 131 | 2109 | 2268 | 106 | 1126 | 3098 |
| 7 | 2007-06-02 | SRM 352 | 2 | 26 | 290.24 | 3.48 | 214 | 1978 | 2668 | 170 | 1020 | 3749 |
| 6 | 2007-03-31 | TCO07 Qual 2 | 1 | 1116 | 763.83 | -0.62 | -76 | 1764 | 3778 | -200 | 850 | 5113 |
| 5 | 2006-10-19 | SRM 323 | 2 | 146 | 163.30 | 0.16 | 28 | 1840 | 2903 | 21 | 1050 | 3412 |
| 4 | 2006-10-09 | SRM 322 | 2 | 82 | 222.84 | 1.44 | 145 | 1813 | 3042 | 88 | 1029 | 3582 |
| 3 | 2006-09-21 | TCCC06 Round 1A | 1 | 348 | 374.08 | 0.10 | 34 | 1667 | 3836 | -20 | 941 | 4209 |
| 2 | 2006-09-09 | TCCC06 Qual 2 | 1 | 285 | 566.48 | 0.99 | 237 | 1633 | 3942 | 113 | 961 | 3985 |
| 1 | 2006-08-03 | SRM 314 | 2 | 282 | 260.14 | -0.35 | -72 | 1396 | 5857 | -352 | 848 | 4943 |