4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| prabhakarannk | 2 | 1583 | 726 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.188 | 0.188 | 0.197 | 28.1 | -40 | -16 | 1623 | 1583 | 7665 |
| initial | -0.251 | 0.251 | 0.256 | 30.2 | -36 | -24 | 1176 | 1140 | 8407 |
| SRMFix | -0.272 | 0.272 | 0.272 | 55.2 | -63 | -47 | 1137 | 1090 | 8289 |
| SRM | -0.966 | 0.966 | 1.001 | 237.0 | -297 | -177 | 903 | 726 | 7586 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2010-01-04 | SRM 457 | 2 | 503 | 475.13 | -0.25 | -40 | 1583 | 7665 | -177 | 726 | 7586 |
| 1 | 2009-12-22 | SRM 456 | 2 | 560 | 512.02 | -0.13 | -16 | 1623 | 7183 | -297 | 903 | 5597 |