4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| hongxian | 3 | 1998 | 1293 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.776 | 0.818 | 1.381 | 149.9 | -5 | 424 | 2004 | 1998 | 3705 |
| SRM | 0.599 | 0.876 | 1.297 | 219.7 | -159 | 376 | 1576 | 1293 | 2859 |
| SRMFix | 0.687 | 0.890 | 1.373 | 167.7 | -39 | 454 | 1654 | 1604 | 3326 |
| initial | 0.898 | 0.899 | 1.382 | 108.2 | 0 | 286 | 1525 | 1525 | 3778 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2008-06-14 | SRM 405 | 1 | 484 | 533.95 | -0.05 | -5 | 1998 | 3705 | -124 | 1293 | 2859 |
| 2 | 2008-06-08 | College Tour West China | 1 | 187 | 185.20 | -0.01 | 21 | 2004 | 3632 | -159 | 1417 | 1922 |
| 1 | 2008-05-25 | College Tour Guangdong | 1 | 81 | 424.96 | 2.39 | 424 | 1983 | 3777 | 376 | 1576 | 1172 |