4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| TopCoder8 | 1 | 1549 | 745 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.184 | 0.184 | 0.184 | 37.1 | -37 | -37 | 1549 | 1549 | 9771 |
| initial | -0.261 | 0.261 | 0.261 | 31.4 | -31 | -31 | 1169 | 1169 | 9800 |
| SRMFix | -0.299 | 0.299 | 0.299 | 71.2 | -71 | -71 | 1129 | 1129 | 9871 |
| SRM | -0.639 | 0.639 | 0.639 | 145.0 | -145 | -145 | 745 | 745 | 10476 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2008-12-02 | SRM 428 | 2 | 513 | 538.23 | -0.18 | -37 | 1549 | 9771 | -145 | 745 | 10476 |