4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| qp33qp | 2 | 1547 | 893 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.157 | 0.196 | 0.251 | 51.2 | -57 | 45 | 1604 | 1547 | 8641 |
| Odd | -0.156 | 0.200 | 0.254 | 43.9 | -46 | 42 | 1469 | 1423 | 8612 |
| initial | -0.195 | 0.217 | 0.292 | 26.1 | -50 | 3 | 1203 | 1153 | 9004 |
| SRMFix | -0.217 | 0.233 | 0.319 | 39.3 | -75 | 4 | 1204 | 1130 | 8433 |
| SRM | -0.539 | 0.539 | 0.678 | 153.5 | -269 | -38 | 1162 | 893 | 6579 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-27 | SRM 441 | 2 | 727 | 689.36 | -0.35 | -57 | 1547 | 8641 | -269 | 893 | 6579 |
| 1 | 2008-05-25 | College Tour Guangdong | 1 | 205 | 423.21 | 0.04 | 45 | 1604 | 7373 | -38 | 1162 | 3909 |