4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| ycc1989918 | 8 | 2493 | 1280 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.958 | 1.160 | 1.461 | 139.7 | -52 | 279 | 2123 | 2123 | 2361 |
| SRMFix | 0.951 | 1.228 | 1.487 | 137.8 | -110 | 326 | 1962 | 1962 | 2071 |
| EloSRM | 1.219 | 1.421 | 1.736 | 140.4 | -83 | 374 | 2493 | 2493 | 2381 |
| SRM | 1.479 | 1.916 | 2.230 | 146.5 | -391 | 148 | 1280 | 1280 | 3021 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2011-06-08 | SRM 509 | 2 | 28 | 192.94 | 2.78 | 219 | 2493 | 2381 | 132 | 1280 | 3021 |
| 7 | 2009-08-08 | SRM 446 | 1 | 608 | 506.52 | -0.35 | -31 | 2274 | 2517 | -128 | 1148 | 3496 |
| 6 | 2009-07-23 | SRM 445 | 2 | 65 | 141.08 | 1.12 | 67 | 2306 | 2363 | 77 | 1276 | 2536 |
| 5 | 2009-07-08 | SRM 444 | 1 | 448 | 519.41 | -0.08 | -5 | 2238 | 2684 | -27 | 1199 | 3091 |
| 4 | 2009-06-23 | SRM 443 | 2 | 42 | 177.74 | 2.08 | 142 | 2243 | 2661 | 129 | 1226 | 2868 |
| 3 | 2009-06-13 | SRM 442 | 2 | 87 | 383.99 | 2.14 | 202 | 2101 | 3451 | 140 | 1097 | 3915 |
| 2 | 2009-05-27 | SRM 441 | 2 | 147 | 793.73 | 2.43 | 374 | 1899 | 4916 | 148 | 957 | 5649 |
| 1 | 2009-05-12 | SRM 440 | 2 | 728 | 641.55 | -0.38 | -83 | 1525 | 9657 | -391 | 809 | 8489 |