4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| JustLyn | 16 | 2024 | 1004 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.279 | 0.684 | 0.919 | 47.8 | -49 | 131 | 2024 | 2024 | 3974 |
| SRMFix | 0.315 | 0.714 | 0.958 | 55.3 | -86 | 161 | 1524 | 1524 | 3952 |
| initial | 0.213 | 0.741 | 0.976 | 89.3 | -207 | 285 | 1714 | 1611 | 3445 |
| SRM | 0.433 | 0.854 | 1.095 | 81.6 | -178 | 123 | 1023 | 1004 | 5531 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16 | 2009-05-12 | SRM 440 | 2 | 190 | 286.11 | 0.59 | 34 | 2024 | 3974 | 48 | 1004 | 5531 |
| 15 | 2009-02-07 | SRM 434 | 2 | 339 | 280.38 | -0.27 | -4 | 1990 | 4239 | 1 | 956 | 7451 |
| 14 | 2009-01-21 | SRM 433 | 2 | 210 | 290.20 | 0.47 | 27 | 1994 | 4219 | 40 | 955 | 7462 |
| 13 | 2008-12-14 | TC China 08 - Finals | 1 | 237 | 273.69 | 0.21 | 19 | 1966 | 4404 | 65 | 915 | 8039 |
| 12 | 2008-12-12 | TC China 08 - 1E | 1 | 80 | 143.39 | 0.84 | 49 | 1948 | 4568 | 120 | 850 | 9004 |
| 11 | 2008-12-11 | SRM 429 | 2 | 775 | 313.20 | -1.33 | -49 | 1899 | 4983 | -170 | 730 | 10572 |
| 10 | 2008-12-10 | TC China 08 - 1D | 1 | 133 | 98.53 | -0.43 | -22 | 1947 | 4511 | -36 | 900 | 8253 |
| 9 | 2008-12-02 | SRM 428 | 2 | 65 | 366.08 | 2.48 | 131 | 1969 | 4353 | 123 | 936 | 7812 |
| 8 | 2008-11-22 | SRM 426 | 2 | 177 | 494.95 | 1.48 | 118 | 1838 | 5451 | 94 | 813 | 9080 |
| 7 | 2008-11-12 | SRM 425 | 2 | 541 | 510.61 | -0.45 | -29 | 1720 | 6795 | -52 | 719 | 10624 |
| 6 | 2008-08-16 | SRM 414 | 2 | 508 | 442.34 | -0.53 | -32 | 1749 | 6413 | -88 | 771 | 10231 |
| 5 | 2008-08-06 | SRM 413 | 2 | 224 | 468.15 | 1.06 | 116 | 1782 | 6014 | 64 | 859 | 8906 |
| 4 | 2008-07-23 | SRM 411 | 2 | 366 | 427.00 | 0.22 | 44 | 1666 | 7130 | -19 | 795 | 9642 |
| 3 | 2008-07-19 | SRM 410 | 2 | 555 | 702.79 | 0.34 | 76 | 1622 | 7598 | -31 | 814 | 9449 |
| 2 | 2008-06-14 | SRM 405 | 2 | 720 | 666.99 | -0.11 | -8 | 1547 | 9297 | -178 | 845 | 8920 |
| 1 | 2008-06-08 | College Tour West China | 1 | 333 | 428.68 | -0.12 | -7 | 1555 | 8930 | -177 | 1023 | 6366 |