4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| yijunbai | 3 | 1698 | 575 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.050 | 0.433 | 0.508 | 52.2 | -69 | 80 | 1218 | 1218 | 7423 |
| EloSRM | 0.099 | 0.449 | 0.552 | 122.6 | -124 | 233 | 1698 | 1698 | 7164 |
| SRMFix | 0.063 | 0.491 | 0.571 | 92.8 | -147 | 120 | 1184 | 1184 | 7966 |
| SRM | -0.203 | 0.871 | 1.037 | 290.3 | -748 | 109 | 575 | 575 | 11919 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-02-07 | SRM 434 | 2 | 572 | 557.29 | -0.04 | 11 | 1698 | 7164 | 14 | 575 | 11919 |
| 2 | 2009-01-21 | SRM 433 | 2 | 387 | 684.84 | 0.82 | 233 | 1687 | 7289 | 109 | 561 | 12005 |
| 1 | 2008-10-08 | SRM 421 | 2 | 849 | 606.88 | -0.49 | -124 | 1454 | 11993 | -748 | 452 | 12849 |