4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Copacabana | 3 | 1499 | 798 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.033 | 0.267 | 0.298 | 32.1 | -54 | 26 | 1188 | 1188 | 3866 |
| EloSRM | 0.051 | 0.276 | 0.280 | 64.9 | -68 | 73 | 1499 | 1499 | 3729 |
| SRMFix | 0.003 | 0.324 | 0.343 | 62.5 | -112 | 39 | 1163 | 1163 | 3922 |
| SRM | -0.413 | 0.458 | 0.690 | 134.0 | -343 | -15 | 857 | 798 | 4203 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2006-02-04 | SRM 287 | 2 | 256 | 301.16 | 0.23 | 53 | 1499 | 3729 | -15 | 798 | 4203 |
| 2 | 2006-01-21 | SRM 284 | 2 | 272 | 324.84 | 0.26 | 73 | 1446 | 3943 | -44 | 813 | 4027 |
| 1 | 2006-01-19 | SRM 283 | 2 | 345 | 272.87 | -0.34 | -68 | 1373 | 4391 | -343 | 857 | 3675 |