4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| wl | 2 | 1489 | 599 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.329 | 0.329 | 0.331 | 60.8 | -67 | -54 | 1543 | 1489 | 9656 |
| SRMFix | -0.389 | 0.389 | 0.393 | 80.0 | -104 | -56 | 1096 | 1040 | 9985 |
| initial | -0.398 | 0.398 | 0.398 | 48.0 | -49 | -47 | 1151 | 1104 | 9930 |
| SRM | -0.647 | 0.647 | 0.648 | 194.5 | -220 | -169 | 768 | 599 | 9348 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-07-23 | SRM 445 | 2 | 893 | 781.46 | -0.30 | -54 | 1489 | 9656 | -169 | 599 | 9348 |
| 1 | 2009-05-27 | SRM 441 | 2 | 727 | 684.64 | -0.36 | -67 | 1543 | 8776 | -220 | 768 | 8229 |