4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zhaopengyu | 3 | 1515 | 579 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.187 | 0.340 | 0.363 | 40.9 | -62 | 28 | 1166 | 1133 | 8807 |
| EloSRM | -0.103 | 0.349 | 0.356 | 84.9 | -106 | 117 | 1548 | 1515 | 7536 |
| SRMFix | -0.176 | 0.372 | 0.397 | 71.9 | -131 | 49 | 1118 | 1083 | 8713 |
| SRM | -0.569 | 0.614 | 0.847 | 207.0 | -522 | -16 | 678 | 579 | 8981 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2008-03-22 | SRM 394 | 2 | 578 | 563.16 | -0.25 | -32 | 1515 | 7536 | -83 | 579 | 8981 |
| 2 | 2008-03-11 | SRM 393 | 2 | 502 | 648.46 | 0.37 | 117 | 1548 | 7195 | -16 | 662 | 8437 |
| 1 | 2007-12-11 | SRM 382 | 2 | 496 | 379.66 | -0.42 | -106 | 1431 | 8462 | -522 | 678 | 7989 |