4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Headacher | 5 | 1715 | 664 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.116 | 0.700 | 0.956 | 99.4 | -109 | 250 | 1875 | 1715 | 7254 |
| Odd | 0.102 | 0.704 | 0.958 | 92.0 | -97 | 246 | 1738 | 1593 | 7088 |
| initial | 0.048 | 0.740 | 0.989 | 89.1 | -118 | 228 | 1410 | 1229 | 6752 |
| SRMFix | 0.050 | 0.761 | 0.997 | 93.6 | -109 | 220 | 1379 | 1216 | 6775 |
| SRM | -0.089 | 0.817 | 1.008 | 156.0 | -301 | 122 | 904 | 664 | 8561 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2010-10-05 | SRM 484 | 2 | 573 | 433.28 | -0.41 | -52 | 1715 | 7254 | -67 | 664 | 8561 |
| 4 | 2010-04-15 | SRM 467 | 2 | 581 | 337.78 | -0.88 | -109 | 1766 | 6018 | -173 | 731 | 7579 |
| 3 | 2009-06-13 | SRM 442 | 2 | 182 | 674.20 | 1.89 | 250 | 1875 | 5097 | 122 | 904 | 6091 |
| 2 | 2009-05-27 | SRM 441 | 2 | 669 | 743.59 | 0.15 | 56 | 1624 | 7450 | -117 | 782 | 8058 |
| 1 | 2009-03-11 | SRM 436 | 2 | 469 | 538.25 | -0.17 | -31 | 1569 | 8644 | -301 | 899 | 8176 |