4.75 Comparison of past and present is one of the most fascinating applications of the rating system.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zhaoboqiang | 28 | 2120 | 962 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.159 | 0.744 | 1.135 | 40.7 | -113 | 189 | 2173 | 2120 | 5607 |
| SRMFix | 0.187 | 0.760 | 1.156 | 49.7 | -143 | 219 | 1601 | 1448 | 5950 |
| SRM | 0.470 | 0.768 | 1.257 | 63.0 | -519 | 178 | 1072 | 962 | 6771 |
| initial | 0.060 | 0.815 | 1.173 | 98.1 | -138 | 566 | 2035 | 1401 | 6332 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 28 | 2012-02-23 | SRM 534 | 2 | 442 | 269.80 | -0.71 | -14 | 2120 | 5607 | -24 | 962 | 6771 |
| 27 | 2012-02-09 | SRM 532 | 2 | 625 | 326.43 | -0.94 | -19 | 2133 | 5326 | -43 | 986 | 6288 |
| 26 | 2012-01-19 | SRM 530 | 2 | 338 | 228.71 | -0.56 | -11 | 2152 | 5131 | -21 | 1029 | 5769 |
| 25 | 2012-01-14 | SRM 529 | 2 | 455 | 318.13 | -0.52 | -10 | 2163 | 4981 | -22 | 1050 | 5502 |
| 24 | 2011-10-25 | SRM 522 | 2 | 125 | 235.88 | 0.92 | 30 | 2173 | 4703 | 51 | 1072 | 5147 |
| 23 | 2011-10-04 | SRM 520 | 2 | 244 | 372.23 | 0.61 | 24 | 2142 | 4887 | 37 | 1021 | 5637 |
| 22 | 2011-09-14 | SRM 518 | 2 | 233 | 392.77 | 0.75 | 28 | 2119 | 5081 | 51 | 984 | 6090 |
| 21 | 2011-08-20 | SRM 515 | 2 | 578 | 324.80 | -0.83 | -18 | 2090 | 5130 | -36 | 933 | 6544 |
| 20 | 2011-08-09 | SRM 514 | 2 | 362 | 256.35 | -0.50 | -9 | 2108 | 4999 | -8 | 969 | 6125 |
| 19 | 2011-07-26 | SRM 513 | 2 | 494 | 335.74 | -0.56 | -10 | 2117 | 4941 | -5 | 977 | 6077 |
| 18 | 2011-07-13 | SRM 512 | 2 | 217 | 410.61 | 0.92 | 35 | 2127 | 4805 | 63 | 982 | 5956 |
| 17 | 2011-07-02 | SRM 511 | 2 | 663 | 376.86 | -0.82 | -20 | 2092 | 5040 | -23 | 919 | 6645 |
| 16 | 2011-06-21 | SRM 510 | 2 | 360 | 240.91 | -0.58 | -13 | 2112 | 4858 | -4 | 942 | 6280 |
| 15 | 2011-05-28 | SRM 507 | 2 | 290 | 360.36 | 0.31 | 19 | 2125 | 4654 | 45 | 946 | 6085 |
| 14 | 2011-05-24 | TCO11 Qual 3 | 1 | 825 | 589.39 | -0.59 | -30 | 2106 | 4768 | -144 | 901 | 6642 |
| 13 | 2011-05-19 | TCO11 Qual 2 | 1 | 823 | 840.82 | 0.03 | 8 | 2136 | 4526 | -10 | 1045 | 5075 |
| 12 | 2011-05-17 | SRM 504.5 | 2 | 18 | 525.11 | 4.87 | 150 | 2128 | 4528 | 178 | 1055 | 4960 |
| 11 | 2011-05-03 | Member SRM 505 | 2 | 366 | 469.51 | 0.36 | 31 | 1979 | 5775 | 33 | 877 | 6844 |
| 10 | 2011-04-16 | Member SRM 503 | 2 | 277 | 567.46 | 1.03 | 72 | 1948 | 6003 | 77 | 844 | 7256 |
| 9 | 2011-04-07 | SRM 502 | 2 | 442 | 355.74 | -0.31 | -15 | 1876 | 6531 | -22 | 767 | 8276 |
| 8 | 2011-01-27 | SRM 495 | 2 | 472 | 558.58 | 0.24 | 29 | 1891 | 6145 | 28 | 789 | 7769 |
| 7 | 2011-01-22 | Member SRM 494 | 2 | 480 | 559.47 | 0.22 | 31 | 1862 | 6322 | 20 | 761 | 8004 |
| 6 | 2010-12-08 | SRM 490 | 2 | 225 | 706.57 | 1.65 | 149 | 1831 | 6511 | 127 | 741 | 8130 |
| 5 | 2010-11-30 | Member SRM 489 | 2 | 455 | 623.68 | -0.15 | -8 | 1683 | 7868 | -1 | 614 | 9309 |
| 4 | 2010-10-26 | SRM 486 | 2 | 768 | 744.52 | -0.32 | -28 | 1690 | 7613 | -58 | 615 | 9041 |
| 3 | 2010-10-21 | Member SRM 485 | 2 | 546 | 553.30 | -0.30 | -30 | 1718 | 7178 | -61 | 673 | 8400 |
| 2 | 2010-10-05 | SRM 484 | 2 | 345 | 568.24 | 0.72 | 189 | 1748 | 6954 | 53 | 734 | 7921 |
| 1 | 2010-08-14 | SRM 479 | 2 | 963 | 724.07 | -0.49 | -113 | 1559 | 8878 | -519 | 681 | 8159 |