4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| LunaPotter | 5 | 2337 | 1403 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.885 | 1.349 | 1.503 | 193.6 | -114 | 361 | 1911 | 1882 | 2020 |
| initial | 1.159 | 1.388 | 1.673 | 167.2 | -56 | 299 | 1910 | 1898 | 2509 |
| Odd | 1.068 | 1.403 | 1.631 | 208.7 | -112 | 346 | 2205 | 2183 | 2278 |
| EloSRM | 1.057 | 1.411 | 1.632 | 223.3 | -129 | 360 | 2363 | 2337 | 2188 |
| SRM | 0.692 | 1.482 | 1.582 | 188.6 | -274 | 322 | 1639 | 1403 | 1906 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-05-12 | SRM 440 | 1 | 408 | 444.72 | -0.23 | -26 | 2337 | 2188 | -96 | 1403 | 1906 |
| 4 | 2009-02-28 | TCO09 Qual 2 | 1 | 192 | 803.99 | 2.07 | 278 | 2363 | 2035 | 134 | 1499 | 1492 |
| 3 | 2009-02-24 | TCO09 Qual 1 | 1 | 1067 | 675.70 | -0.66 | -129 | 2085 | 3371 | -274 | 1365 | 2158 |
| 2 | 2008-06-08 | College Tour West China | 1 | 49 | 243.98 | 2.32 | 360 | 2214 | 2411 | 117 | 1639 | 988 |
| 1 | 2007-10-26 | College Tour Sichuan | 1 | 41 | 141.50 | 1.79 | 324 | 1854 | 3899 | 322 | 1522 | 1161 |