4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zhangfq | 2 | 1965 | 1325 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 1.001 | 1.001 | 1.395 | 204.5 | 29 | 380 | 1965 | 1965 | 4255 |
| Odd | 1.008 | 1.008 | 1.401 | 207.5 | 29 | 386 | 1840 | 1840 | 4292 |
| initial | 1.028 | 1.028 | 1.384 | 123.8 | 12 | 235 | 1448 | 1448 | 4354 |
| SRMFix | 0.886 | 1.057 | 1.379 | 208.7 | -29 | 388 | 1588 | 1559 | 3612 |
| SRM | 0.393 | 1.388 | 1.443 | 265.5 | -203 | 328 | 1528 | 1325 | 2447 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-02-24 | TCO09 Qual 1 | 1 | 899 | 917.07 | 0.03 | 29 | 1965 | 4255 | -203 | 1325 | 2447 |
| 1 | 2008-05-03 | East China Round 1 | 1 | 189 | 741.75 | 1.97 | 380 | 1937 | 3995 | 328 | 1528 | 1293 |