4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zedzhao | 4 | 1643 | 637 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.100 | 0.344 | 0.429 | 41.4 | -83 | 59 | 1259 | 1152 | 8039 |
| SRMFix | -0.169 | 0.390 | 0.499 | 68.6 | -138 | 104 | 1304 | 1133 | 7698 |
| EloSRM | -0.131 | 0.401 | 0.498 | 78.7 | -128 | 174 | 1784 | 1643 | 7159 |
| SRM | -0.573 | 0.573 | 0.814 | 140.8 | -399 | -34 | 1166 | 637 | 8565 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-12-05 | SRM 454 | 2 | 731 | 686.13 | -0.09 | -1 | 1643 | 7159 | -47 | 637 | 8565 |
| 3 | 2009-11-25 | SRM 453.5 | 2 | 623 | 558.56 | -0.16 | -12 | 1644 | 7191 | -83 | 684 | 8433 |
| 2 | 2009-10-20 | SRM 451 | 2 | 741 | 426.46 | -0.82 | -128 | 1656 | 7087 | -399 | 767 | 7774 |
| 1 | 2009-05-27 | SRM 441 | 2 | 477 | 693.58 | 0.54 | 174 | 1784 | 5899 | -34 | 1166 | 3406 |