4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Birdsong | 24 | 2286 | 1255 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.292 | 0.459 | 0.860 | 38.4 | -56 | 201 | 1829 | 1818 | 2312 |
| initial | 0.294 | 0.468 | 0.865 | 56.3 | -70 | 443 | 2078 | 2050 | 2048 |
| EloSRM | 0.255 | 0.475 | 0.849 | 49.7 | -92 | 294 | 2300 | 2286 | 2222 |
| SRM | 0.273 | 0.484 | 0.924 | 44.5 | -219 | 140 | 1332 | 1255 | 3191 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 2008-09-04 | SRM 416 | 1 | 466 | 427.76 | -0.26 | -14 | 2286 | 2222 | -67 | 1255 | 3191 |
| 23 | 2008-04-15 | SRM 398 | 1 | 413 | 418.32 | 0.02 | 5 | 2300 | 1957 | -10 | 1322 | 2158 |
| 22 | 2008-04-12 | SRM 397 | 1 | 282 | 442.54 | 0.65 | 41 | 2295 | 1984 | 89 | 1332 | 2113 |
| 21 | 2008-03-22 | SRM 394 | 1 | 428 | 450.61 | -0.15 | -6 | 2255 | 2148 | -26 | 1243 | 2753 |
| 20 | 2008-02-16 | TCO08 Round 1 | 1 | 865 | 1,050.92 | -0.10 | -2 | 2261 | 2079 | -29 | 1269 | 2522 |
| 19 | 2008-02-13 | TCO08 Qual 3 | 1 | 249 | 347.26 | 0.48 | 26 | 2262 | 2060 | 33 | 1298 | 2392 |
| 18 | 2008-02-09 | TCO08 Qual 2 | 1 | 707 | 558.71 | -0.34 | -12 | 2236 | 2170 | -30 | 1265 | 2579 |
| 17 | 2008-01-24 | SRM 389 | 1 | 422 | 431.28 | 0.03 | 7 | 2248 | 2047 | -10 | 1295 | 2351 |
| 16 | 2007-12-27 | SRM 385 | 1 | 403 | 433.18 | 0.10 | 12 | 2242 | 2017 | 2 | 1305 | 2286 |
| 15 | 2007-12-13 | SRM 383 | 1 | 256 | 366.88 | 0.52 | 42 | 2229 | 2045 | 68 | 1303 | 2282 |
| 14 | 2007-12-08 | SRM 381 | 1 | 359 | 422.85 | -0.08 | -2 | 2187 | 2188 | -5 | 1235 | 2765 |
| 13 | 2007-12-04 | SRM 380 | 1 | 327 | 356.08 | -0.09 | -4 | 2189 | 2159 | -26 | 1240 | 2670 |
| 12 | 2007-11-20 | SRM 378 | 1 | 331 | 446.07 | 0.43 | 49 | 2193 | 2109 | 55 | 1266 | 2371 |
| 11 | 2007-11-14 | SRM 376 | 1 | 317 | 339.61 | -0.11 | -7 | 2144 | 2305 | -36 | 1211 | 2749 |
| 10 | 2007-10-17 | SRM 372 | 2 | 14 | 167.63 | 3.58 | 134 | 2151 | 2206 | 140 | 1247 | 2368 |
| 9 | 2007-10-13 | SRM 371 | 2 | 156 | 198.27 | 0.35 | 39 | 2017 | 2808 | 30 | 1107 | 3303 |
| 8 | 2007-08-21 | TCCC07 Qual 2 | 1 | 362 | 350.71 | -0.05 | 6 | 1979 | 2904 | -1 | 1077 | 3441 |
| 7 | 2007-05-29 | SRM 351 | 2 | 179 | 151.90 | -0.24 | -1 | 1973 | 2681 | 16 | 1078 | 3289 |
| 6 | 2007-04-18 | SRM 345 | 2 | 217 | 147.67 | -0.56 | -24 | 1974 | 2597 | 4 | 1062 | 3398 |
| 5 | 2007-04-10 | TCO07 Round 1B | 1 | 474 | 312.65 | -0.67 | -92 | 1998 | 2426 | -219 | 1058 | 3399 |
| 4 | 2007-03-29 | TCO07 Qual 1 | 1 | 383 | 646.55 | 0.76 | 188 | 2090 | 1979 | 47 | 1277 | 1946 |
| 3 | 2006-02-28 | TCO06 Qual 4/11/15 | 1 | 157 | 254.95 | 0.70 | 144 | 1901 | 1986 | 49 | 1230 | 1781 |
| 2 | 2006-02-14 | SRM 289 | 1 | 201 | 249.66 | 0.08 | 43 | 1757 | 2455 | -47 | 1181 | 1960 |
| 1 | 2005-08-22 | SRM 259 | 2 | 81 | 168.27 | 1.06 | 294 | 1714 | 2149 | 28 | 1228 | 1441 |