4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| chean.xu | 23 | 2068 | 1033 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.149 | 1.262 | 1.590 | 72.1 | -87 | 436 | 2111 | 2068 | 3671 |
| Odd | 0.115 | 1.262 | 1.589 | 70.6 | -83 | 439 | 2005 | 1948 | 3631 |
| SRM | 0.771 | 1.271 | 1.820 | 109.9 | -717 | 273 | 1109 | 1033 | 4460 |
| SRMFix | 0.219 | 1.303 | 1.656 | 91.0 | -148 | 322 | 1654 | 1538 | 3759 |
| initial | 0.132 | 1.438 | 1.838 | 173.2 | -384 | 478 | 1948 | 1565 | 3589 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23 | 2009-07-23 | SRM 445 | 2 | 667 | 226.36 | -1.56 | -43 | 2068 | 3671 | -76 | 1033 | 4460 |
| 22 | 2009-05-27 | SRM 441 | 2 | 23 | 252.89 | 3.46 | 101 | 2111 | 3384 | 130 | 1109 | 3865 |
| 21 | 2009-03-04 | TCO09 Qual 3 | 1 | 575 | 597.24 | 0.05 | 10 | 2010 | 4054 | 20 | 979 | 7090 |
| 20 | 2008-11-25 | SRM 427 | 2 | 284 | 204.55 | -0.47 | -10 | 2001 | 4060 | -11 | 959 | 7499 |
| 19 | 2008-11-23 | TC China 08 - 1A | 1 | 75 | 100.50 | 0.42 | 29 | 2011 | 3958 | 72 | 970 | 7356 |
| 18 | 2008-11-12 | SRM 425 | 2 | 508 | 258.62 | -0.98 | -28 | 1982 | 4173 | -26 | 898 | 8189 |
| 17 | 2008-10-28 | SRM 423 | 2 | 278 | 160.43 | -0.79 | -24 | 2010 | 3916 | -15 | 924 | 7828 |
| 16 | 2008-09-20 | SRM 418 | 2 | 445 | 279.04 | -1.04 | -30 | 2033 | 3685 | -86 | 939 | 7942 |
| 15 | 2008-09-11 | SRM 417 | 2 | 549 | 172.12 | -1.67 | -48 | 2063 | 3479 | -79 | 1025 | 6441 |
| 14 | 2008-07-31 | SRM 412 | 2 | 70 | 212.37 | 1.60 | 72 | 2111 | 3122 | 87 | 1104 | 5619 |
| 13 | 2008-06-05 | SRM 404 | 2 | 296 | 185.10 | -0.68 | -19 | 2039 | 3399 | -5 | 1017 | 6305 |
| 12 | 2008-04-23 | SRM 399 | 2 | 44 | 151.96 | 1.79 | 77 | 2058 | 3120 | 101 | 1022 | 4659 |
| 11 | 2008-04-15 | SRM 398 | 2 | 193 | 231.10 | 0.26 | 26 | 1982 | 3608 | 47 | 921 | 5575 |
| 10 | 2008-03-26 | SRM 395 | 2 | 351 | 136.52 | -1.36 | -54 | 1956 | 3828 | -68 | 874 | 6221 |
| 9 | 2008-03-06 | SRM 392 | 2 | 394 | 188.70 | -1.06 | -46 | 2010 | 3418 | -27 | 942 | 5471 |
| 8 | 2007-12-08 | SRM 381 | 2 | 22 | 268.20 | 3.61 | 153 | 2057 | 2830 | 186 | 969 | 4993 |
| 7 | 2007-12-04 | SRM 380 | 2 | 422 | 222.71 | -1.13 | -56 | 1904 | 3722 | -101 | 783 | 6841 |
| 6 | 2007-11-20 | SRM 378 | 2 | 203 | 222.39 | 0.13 | 28 | 1960 | 3289 | 56 | 884 | 5577 |
| 5 | 2007-11-06 | SRM 374 | 2 | 517 | 220.63 | -1.43 | -87 | 1932 | 3365 | -136 | 828 | 5946 |
| 4 | 2007-06-20 | SRM 355 | 2 | 42 | 217.09 | 2.37 | 183 | 2019 | 2545 | 172 | 964 | 4223 |
| 3 | 2007-05-15 | SRM 349 | 2 | 266 | 199.98 | -0.41 | -23 | 1836 | 3456 | 36 | 792 | 5596 |
| 2 | 2007-05-09 | SRM 348 | 2 | 58 | 335.85 | 2.53 | 436 | 1860 | 3327 | 273 | 756 | 5943 |
| 1 | 2007-03-29 | TCO07 Qual 1 | 1 | 1047 | 909.08 | -0.21 | -77 | 1423 | 6303 | -717 | 483 | 7377 |