4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| qunqunsung | 1 | 1740 | 1074 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.224 | 0.224 | 0.224 | 53.8 | 54 | 54 | 1254 | 1254 | 6479 |
| initial | 0.281 | 0.281 | 0.281 | 33.9 | 34 | 34 | 1234 | 1234 | 6761 |
| EloSRM | 0.343 | 0.343 | 0.343 | 131.8 | 132 | 132 | 1740 | 1740 | 6403 |
| Odd | 0.379 | 0.379 | 0.379 | 149.4 | 149 | 149 | 1607 | 1607 | 6528 |
| SRM | -0.603 | 0.603 | 0.603 | 126.0 | -126 | -126 | 1074 | 1074 | 4642 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-12 | SRM 440 | 2 | 518 | 656.89 | 0.34 | 132 | 1740 | 6403 | -126 | 1074 | 4642 |