4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Wzhang | 4 | 2010 | 1263 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.608 | 0.635 | 0.855 | 115.5 | -5 | 253 | 2016 | 2010 | 3632 |
| SRMFix | 0.618 | 0.656 | 0.887 | 105.4 | -9 | 221 | 1612 | 1603 | 3329 |
| initial | 0.722 | 0.725 | 1.021 | 87.3 | -1 | 213 | 1549 | 1548 | 3630 |
| SRM | 0.446 | 0.791 | 0.951 | 115.8 | -111 | 191 | 1391 | 1263 | 3079 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-06-14 | SRM 405 | 1 | 484 | 531.77 | -0.06 | -5 | 2010 | 3632 | -89 | 1263 | 3079 |
| 3 | 2008-06-08 | College Tour West China | 1 | 95 | 244.20 | 1.36 | 163 | 2016 | 3567 | 72 | 1352 | 2391 |
| 2 | 2008-05-24 | SRM 402 | 1 | 367 | 460.60 | 0.10 | 41 | 1853 | 4836 | -111 | 1280 | 2840 |
| 1 | 2008-05-24 | College Tour Beijing | 1 | 259 | 527.72 | 1.03 | 253 | 1813 | 5148 | 191 | 1391 | 1995 |