4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| iamsleepy | 4 | 1927 | 1090 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.491 | 0.491 | 0.515 | 77.9 | 51 | 121 | 1512 | 1512 | 3785 |
| EloSRM | 0.516 | 0.516 | 0.529 | 120.9 | 80 | 181 | 1927 | 1927 | 4068 |
| initial | 0.618 | 0.618 | 0.649 | 74.4 | 46 | 110 | 1498 | 1498 | 3806 |
| SRM | 0.412 | 0.654 | 0.816 | 43.0 | -88 | 20 | 1143 | 1090 | 4864 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2008-05-03 | East China Round 1 | 1 | 247 | 341.42 | 0.47 | 99 | 1927 | 4068 | -53 | 1090 | 4864 |
| 3 | 2006-02-28 | TCO06 Qual 4/11/15 | 1 | 199 | 257.54 | 0.37 | 80 | 1828 | 2274 | 20 | 1143 | 2226 |
| 2 | 2006-02-14 | SRM 289 | 2 | 101 | 163.46 | 0.70 | 124 | 1748 | 2503 | 11 | 1123 | 2228 |
| 1 | 2006-02-08 | SRM 288 | 2 | 153 | 220.74 | 0.53 | 181 | 1624 | 3072 | -88 | 1112 | 2268 |