4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| xuyuangogogo | 3 | 1671 | 674 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | -0.087 | 0.479 | 0.486 | 57.7 | -54 | 71 | 1217 | 1169 | 7318 |
| EloSRM | -0.039 | 0.509 | 0.528 | 103.4 | -87 | 173 | 1721 | 1670 | 6738 |
| SRMFix | -0.081 | 0.515 | 0.525 | 91.3 | -113 | 105 | 1192 | 1137 | 7298 |
| SRM | -0.495 | 0.720 | 0.823 | 189.3 | -429 | 21 | 792 | 674 | 7919 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2009-12-22 | SRM 456 | 2 | 573 | 460.02 | -0.45 | -51 | 1670 | 6738 | -118 | 674 | 7919 |
| 2 | 2009-12-17 | Member SRM 455 | 2 | 427 | 695.81 | 0.70 | 173 | 1721 | 6330 | 21 | 792 | 6874 |
| 1 | 2009-11-25 | SRM 453.5 | 2 | 666 | 573.28 | -0.38 | -87 | 1549 | 8297 | -429 | 771 | 7612 |