4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Kachkovskiy | 40 | 2566 | 1526 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.346 | 0.873 | 1.361 | 48.1 | -85 | 458 | 2605 | 2566 | 1408 |
| SRMFix | 0.339 | 0.899 | 1.416 | 56.3 | -162 | 473 | 2130 | 2060 | 1263 |
| initial | 0.234 | 0.951 | 1.435 | 114.6 | -313 | 510 | 2605 | 2300 | 1398 |
| SRM | 0.592 | 1.023 | 1.584 | 93.1 | -343 | 236 | 1665 | 1526 | 1277 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 2010-05-12 | TCO10 Qual 2 | 1 | 520 | 313.22 | -0.73 | -33 | 2566 | 1408 | -42 | 1526 | 1277 |
| 39 | 2009-03-24 | SRM 437 | 1 | 369 | 410.98 | -0.27 | -6 | 2599 | 1168 | -52 | 1568 | 1244 |
| 38 | 2009-03-14 | TCO09 Round 2 | 1 | 390 | 506.23 | 0.38 | 19 | 2605 | 1138 | 40 | 1620 | 1085 |
| 37 | 2009-03-07 | TCO09 Round 1 | 1 | 281 | 811.45 | 1.53 | 50 | 2586 | 1191 | 127 | 1580 | 1209 |
| 36 | 2009-03-04 | TCO09 Qual 3 | 1 | 195 | 198.16 | 0.02 | 6 | 2536 | 1367 | 43 | 1453 | 1723 |
| 35 | 2009-02-28 | TCO09 Qual 2 | 1 | 636 | 351.37 | -0.86 | -21 | 2530 | 1367 | -23 | 1410 | 1909 |
| 34 | 2009-02-24 | TCO09 Qual 1 | 1 | 1176 | 400.66 | -1.62 | -42 | 2551 | 1251 | -194 | 1433 | 1736 |
| 33 | 2009-01-06 | SRM 432 | 1 | 340 | 282.00 | -0.27 | -6 | 2593 | 1143 | -38 | 1627 | 1078 |
| 32 | 2008-12-11 | SRM 429 | 1 | 217 | 334.49 | 0.62 | 29 | 2599 | 1090 | 47 | 1665 | 958 |
| 31 | 2008-11-22 | SRM 426 | 1 | 320 | 345.34 | 0.11 | 10 | 2570 | 1167 | 5 | 1618 | 1083 |
| 30 | 2008-10-18 | SRM 422 | 1 | 221 | 385.20 | 0.80 | 35 | 2561 | 1175 | 67 | 1613 | 1098 |
| 29 | 2008-09-04 | SRM 416 | 1 | 315 | 328.90 | 0.06 | 7 | 2525 | 1289 | 9 | 1546 | 1347 |
| 28 | 2008-07-19 | SRM 410 | 1 | 313 | 357.54 | 0.19 | 11 | 2518 | 1291 | 25 | 1537 | 1375 |
| 27 | 2008-07-10 | SRM 409 | 1 | 445 | 341.09 | -0.38 | -10 | 2507 | 1315 | -45 | 1512 | 1487 |
| 26 | 2008-06-05 | SRM 404 | 1 | 163 | 353.45 | 1.12 | 40 | 2517 | 1239 | 105 | 1557 | 1248 |
| 25 | 2008-05-24 | SRM 402 | 1 | 367 | 310.47 | -0.47 | -13 | 2477 | 1355 | -80 | 1452 | 1642 |
| 24 | 2008-05-06 | SRM 401 | 1 | 216 | 388.54 | 0.85 | 35 | 2490 | 1310 | 85 | 1532 | 1292 |
| 23 | 2008-05-01 | SRM 400 | 1 | 293 | 390.38 | 0.41 | 22 | 2454 | 1404 | 53 | 1447 | 1525 |
| 22 | 2008-04-15 | SRM 398 | 1 | 355 | 356.82 | 0.01 | 4 | 2432 | 1491 | 3 | 1394 | 1771 |
| 21 | 2008-04-12 | SRM 397 | 1 | 451 | 364.68 | -0.45 | -16 | 2428 | 1503 | -116 | 1391 | 1808 |
| 20 | 2008-04-03 | SRM 396 | 1 | 315 | 336.95 | 0.10 | 9 | 2444 | 1447 | 0 | 1507 | 1344 |
| 19 | 2008-03-26 | SRM 395 | 1 | 53 | 309.56 | 2.55 | 101 | 2435 | 1481 | 192 | 1507 | 1351 |
| 18 | 2008-03-22 | SRM 394 | 2 | 6 | 87.51 | 3.87 | 68 | 2334 | 1831 | 153 | 1315 | 2248 |
| 17 | 2008-03-11 | SRM 393 | 2 | 81 | 87.79 | 0.12 | 11 | 2266 | 2088 | 67 | 1162 | 3414 |
| 16 | 2008-03-06 | SRM 392 | 1 | 564 | 476.36 | -0.29 | -17 | 2255 | 2141 | -111 | 1095 | 4032 |
| 15 | 2008-02-26 | SRM 391 | 1 | 366 | 341.19 | -0.10 | -3 | 2272 | 2039 | -39 | 1206 | 3049 |
| 14 | 2008-02-23 | TCO08 Round 2 | 1 | 480 | 737.11 | 0.62 | 63 | 2275 | 2015 | 101 | 1245 | 2682 |
| 13 | 2008-02-16 | TCO08 Round 1 | 1 | 790 | 1,123.50 | 0.51 | 50 | 2212 | 2305 | 80 | 1144 | 3497 |
| 12 | 2008-02-09 | TCO08 Qual 2 | 1 | 501 | 682.99 | 0.45 | 43 | 2162 | 2515 | 70 | 1064 | 4239 |
| 11 | 2008-01-05 | SRM 386 | 2 | 417 | 99.04 | -2.07 | -55 | 2119 | 2607 | -45 | 994 | 4839 |
| 10 | 2007-10-23 | SRM 373 | 1 | 367 | 295.40 | -0.33 | -26 | 2174 | 2113 | -186 | 1039 | 3848 |
| 9 | 2007-10-13 | SRM 371 | 2 | 73 | 100.22 | 0.46 | 32 | 2200 | 1972 | 82 | 1225 | 2531 |
| 8 | 2007-10-09 | College Tour SRM 370 | 1 | 27 | 47.87 | 0.83 | 79 | 2168 | 2082 | 138 | 1143 | 3044 |
| 7 | 2007-09-18 | SRM 366 | 2 | 10 | 137.96 | 3.79 | 161 | 2089 | 2435 | 236 | 1005 | 4012 |
| 6 | 2007-09-04 | SRM 364 | 2 | 470 | 141.73 | -1.73 | -79 | 1927 | 3240 | -114 | 769 | 5987 |
| 5 | 2007-08-30 | TCCC07 Round 1B | 1 | 497 | 303.92 | -0.70 | -85 | 2007 | 2765 | -343 | 883 | 4928 |
| 4 | 2007-08-18 | TCCC07 Qual 1 | 1 | 433 | 518.91 | 0.26 | 60 | 2092 | 2342 | 22 | 1226 | 2490 |
| 3 | 2007-08-11 | SRM 363 | 1 | 292 | ||||||||
| 2 | 2007-07-17 | SRM 358 | 2 | 22 | 363.08 | 4.04 | 458 | 2032 | 2528 | 228 | 1204 | 2598 |
| 1 | 2007-07-12 | SRM 357 | 2 | 363 | 387.00 | 0.09 | 58 | 1574 | 5364 | -224 | 976 | 4068 |