4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| csumath | 1 | 1717 | 1102 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.174 | 0.174 | 0.174 | 42.0 | 42 | 42 | 1242 | 1242 | 6419 |
| initial | 0.218 | 0.218 | 0.218 | 26.2 | 26 | 26 | 1226 | 1226 | 6709 |
| EloSRM | 0.270 | 0.270 | 0.270 | 106.8 | 107 | 107 | 1717 | 1717 | 6557 |
| SRM | -0.430 | 0.430 | 0.430 | 98.0 | -98 | -98 | 1102 | 1102 | 3927 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2009-05-27 | SRM 441 | 2 | 575 | 693.58 | 0.27 | 107 | 1717 | 6557 | -98 | 1102 | 3927 |