4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| hejian29 | 2 | 1842 | 1294 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.557 | 0.557 | 0.781 | 121.1 | 2 | 240 | 1442 | 1442 | 4641 |
| initial | 0.575 | 0.575 | 0.789 | 69.2 | 4 | 134 | 1338 | 1338 | 5456 |
| EloSRM | 0.584 | 0.584 | 0.802 | 143.1 | 23 | 263 | 1842 | 1842 | 5415 |
| Odd | 0.588 | 0.588 | 0.808 | 145.0 | 20 | 270 | 1715 | 1715 | 5461 |
| SRM | 0.301 | 0.641 | 0.708 | 152.0 | -105 | 199 | 1399 | 1294 | 2611 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-05-12 | SRM 440 | 1 | 408 | 532.29 | 0.03 | 23 | 1842 | 5415 | -105 | 1294 | 2611 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 338 | 741.75 | 1.13 | 263 | 1820 | 4958 | 199 | 1399 | 1852 |