4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| songqing | 3 | 1491 | 663 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.187 | 0.212 | 0.252 | 52.7 | -77 | 45 | 1604 | 1491 | 9401 |
| Odd | -0.194 | 0.223 | 0.265 | 46.1 | -69 | 42 | 1469 | 1373 | 9241 |
| initial | -0.268 | 0.283 | 0.347 | 34.1 | -62 | 3 | 1203 | 1103 | 9296 |
| SRMFix | -0.290 | 0.301 | 0.368 | 45.1 | -70 | 4 | 1204 | 1073 | 8831 |
| SRM | -0.737 | 0.737 | 0.856 | 179.0 | -252 | -38 | 1162 | 663 | 8297 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2010-03-02 | SRM 463 | 2 | 856 | 670.93 | -0.37 | -77 | 1491 | 9401 | -252 | 663 | 8297 |
| 2 | 2009-06-13 | SRM 442 | 2 | 814 | 694.77 | -0.23 | -36 | 1568 | 8002 | -247 | 915 | 5865 |
| 1 | 2008-05-25 | College Tour Guangdong | 1 | 205 | 423.21 | 0.04 | 45 | 1604 | 7373 | -38 | 1162 | 3909 |