4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zita | 7 | 1489 | 345 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.127 | 0.246 | 0.285 | 38.8 | -70 | 66 | 1549 | 1489 | 9657 |
| SRMFix | -0.156 | 0.265 | 0.307 | 38.0 | -86 | 39 | 1114 | 1016 | 10164 |
| initial | -0.179 | 0.271 | 0.314 | 32.6 | -58 | 39 | 1162 | 1049 | 10244 |
| SRM | -0.344 | 0.432 | 0.570 | 138.1 | -339 | 29 | 861 | 345 | 10261 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2009-07-23 | SRM 445 | 2 | 893 | 803.18 | -0.26 | -24 | 1489 | 9657 | -59 | 345 | 10261 |
| 6 | 2009-06-23 | SRM 443 | 2 | 738 | 593.10 | -0.37 | -37 | 1513 | 9361 | -120 | 404 | 10230 |
| 5 | 2009-04-30 | SRM 439 | 2 | 390 | 508.72 | 0.38 | 66 | 1549 | 9736 | 29 | 524 | 12000 |
| 4 | 2009-04-19 | SRM 438 | 2 | 320 | 535.93 | 0.03 | 16 | 1483 | 11550 | 27 | 495 | 12128 |
| 3 | 2009-02-28 | TCO09 Qual 2 | 1 | 1215 | 1,303.06 | -0.04 | -3 | 1467 | 11699 | -72 | 468 | 12285 |
| 2 | 2009-02-12 | SRM 435 | 2 | 635 | 489.12 | -0.39 | -70 | 1470 | 11707 | -321 | 540 | 12009 |
| 1 | 2009-02-07 | SRM 434 | 2 | 615 | 619.11 | -0.26 | -55 | 1541 | 10118 | -339 | 861 | 8790 |