4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| sunny.itp | 1 | 1960 | 636 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.992 | 0.992 | 0.992 | 218.6 | 219 | 219 | 1419 | 1419 | 4696 |
| initial | 1.045 | 1.045 | 1.045 | 125.8 | 126 | 126 | 1326 | 1326 | 5440 |
| EloSRM | 1.125 | 1.125 | 1.125 | 333.0 | 333 | 333 | 1960 | 1960 | 4536 |
| SRM | 1.224 | 1.224 | 1.224 | 172.0 | 172 | 172 | 636 | 636 | 9083 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-09-23 | SRM 449 | 2 | 343 | 748.26 | 1.12 | 333 | 1960 | 4536 | 172 | 636 | 9083 |