4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| wanhaofu | 11 | 1820 | 735 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.255 | 0.584 | 1.093 | 67.4 | -122 | 251 | 1820 | 1820 | 5785 |
| SRMFix | 0.285 | 0.594 | 1.100 | 57.3 | -135 | 207 | 1299 | 1299 | 6318 |
| initial | 0.173 | 0.641 | 1.115 | 77.2 | -70 | 403 | 1495 | 1408 | 4930 |
| SRM | 0.262 | 0.654 | 1.141 | 99.5 | -546 | 195 | 735 | 735 | 10557 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | 2009-02-07 | SRM 434 | 2 | 446 | 440.97 | -0.02 | 9 | 1820 | 5785 | 13 | 735 | 10557 |
| 10 | 2009-01-21 | SRM 433 | 2 | 432 | 424.22 | -0.03 | 8 | 1811 | 5875 | 9 | 722 | 10660 |
| 9 | 2008-12-23 | SRM 431 | 2 | 226 | ||||||||
| 8 | 2008-12-20 | SRM 430 | 2 | 60 | 594.00 | 3.31 | 251 | 1803 | 5974 | 195 | 713 | 10863 |
| 7 | 2008-09-24 | SRM 419 | 2 | 454 | 390.15 | -0.35 | -28 | 1551 | 9653 | -58 | 518 | 12527 |
| 6 | 2008-08-16 | SRM 414 | 2 | 508 | 535.02 | -0.25 | -18 | 1580 | 8486 | -32 | 576 | 12108 |
| 5 | 2008-08-06 | SRM 413 | 2 | 512 | 495.54 | -0.27 | -22 | 1597 | 8304 | -47 | 608 | 11866 |
| 4 | 2008-07-23 | SRM 411 | 2 | 333 | 477.10 | 0.52 | 86 | 1619 | 7552 | 46 | 655 | 11305 |
| 3 | 2008-07-19 | SRM 410 | 2 | 577 | 658.00 | -0.18 | -18 | 1533 | 9779 | -47 | 609 | 11804 |
| 2 | 2008-07-10 | SRM 409 | 2 | 588 | 759.46 | 0.37 | 112 | 1551 | 9481 | 2 | 656 | 11348 |
| 1 | 2008-06-08 | College Tour West China | 1 | 614 | 429.75 | -0.55 | -122 | 1440 | 11696 | -546 | 654 | 11154 |