9.11 A chessplayer rating pool is a statistical ensemble in which individuals are distinguishable, yet any number of them may be alike as to rating.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| zhengjianjun | 75 | 3022 | 1552 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.074 | 0.841 | 1.148 | 44.7 | -90 | 768 | 2441 | 2208 | 1007 |
| EloSRM | -0.026 | 0.843 | 1.151 | 35.7 | -61 | 834 | 3107 | 3022 | 948 |
| SRM | 0.319 | 0.846 | 1.133 | 77.3 | -243 | 410 | 1962 | 1552 | 1280 |
| initial | 0.140 | 0.921 | 1.231 | 110.9 | -223 | 610 | 3065 | 2426 | 1253 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 75 | 2016-01-28 | SRM 680 | 1 | 186 | 170.82 | -0.12 | 0 | 3022 | 948 | 25 | 1552 | 1280 |
| 74 | 2015-10-20 | SRM 672 | 1 | 163 | 129.88 | -0.34 | -7 | 3022 | 952 | 10 | 1527 | 1397 |
| 73 | 2015-10-14 | SRM 671 | 1 | 261 | 204.27 | -0.35 | -7 | 3029 | 942 | 18 | 1517 | 1446 |
| 72 | 2015-10-10 | SRM 670 | 1 | 254 | 234.59 | -0.12 | 0 | 3036 | 909 | 41 | 1499 | 1506 |
| 71 | 2015-05-31 | 2015 TCO 2A | 1 | 389 | 493.38 | -0.39 | -10 | 3036 | 1040 | -54 | 1458 | 1967 |
| 70 | 2015-04-17 | SRM 656 | 1 | 304 | 258.56 | -0.66 | -15 | 3046 | 1043 | -73 | 1512 | 1853 |
| 69 | 2015-04-11 | 2015 TCO 1A | 1 | 576 | 214.12 | -1.43 | -27 | 3061 | 1006 | -44 | 1585 | 1558 |
| 68 | 2015-03-25 | SRM 654 | 1 | 99 | 117.63 | 0.25 | 14 | 3087 | 910 | 61 | 1629 | 1381 |
| 67 | 2015-02-17 | SRM 650 | 1 | 280 | 115.84 | -1.27 | -34 | 3073 | 956 | -88 | 1568 | 1629 |
| 66 | 2015-02-10 | SRM 649 | 1 | 149 | 182.89 | 0.30 | 19 | 3107 | 855 | 63 | 1656 | 1307 |
| 65 | 2014-11-28 | SRM 639 | 1 | 73 | 195.23 | 1.42 | 60 | 3088 | 897 | 132 | 1593 | 1570 |
| 64 | 2013-11-28 | SRM 598 | 1 | 481 | 139.20 | -1.79 | -23 | 3028 | 910 | -173 | 1461 | 2154 |
| 63 | 2013-11-20 | SRM 597 | 1 | 229 | 212.92 | -0.10 | 1 | 3051 | 839 | 49 | 1634 | 1355 |
| 62 | 2013-10-15 | SRM 594 | 1 | 418 | 293.22 | -0.90 | -12 | 3050 | 830 | -92 | 1585 | 1530 |
| 61 | 2013-10-05 | SRM 593 | 1 | 393 | 334.90 | -0.74 | -10 | 3062 | 785 | -92 | 1677 | 1208 |
| 60 | 2013-09-27 | SRM 592 | 1 | 94 | 192.71 | 1.04 | 21 | 3073 | 751 | 93 | 1769 | 974 |
| 59 | 2013-09-07 | SRM 590 | 1 | 518 | 215.03 | -1.27 | -17 | 3052 | 803 | -61 | 1676 | 1203 |
| 58 | 2013-08-27 | SRM 589 | 1 | 107 | 204.98 | 0.94 | 20 | 3069 | 747 | 96 | 1737 | 1058 |
| 57 | 2013-07-27 | SRM 586 | 1 | 362 | 294.72 | -0.77 | -11 | 3049 | 786 | -89 | 1641 | 1284 |
| 56 | 2013-07-10 | SRM 584 | 1 | 50 | 187.16 | 1.90 | 31 | 3060 | 744 | 142 | 1730 | 1034 |
| 55 | 2013-06-18 | SRM 583 | 1 | 185 | 249.50 | 0.43 | 11 | 3029 | 825 | 88 | 1588 | 1520 |
| 54 | 2013-06-03 | SRM 581 | 1 | 487 | 157.68 | -1.64 | -21 | 3017 | 860 | -178 | 1500 | 1902 |
| 53 | 2013-05-25 | SRM 580 | 1 | 337 | 253.00 | -0.41 | -5 | 3039 | 816 | 14 | 1678 | 1220 |
| 52 | 2013-05-18 | SRM 579 | 1 | 777 | 251.72 | -1.65 | -22 | 3044 | 801 | -179 | 1664 | 1262 |
| 51 | 2013-05-11 | TCO13 Round 2C | 1 | 119 | 359.89 | 1.60 | 28 | 3065 | 736 | 107 | 1843 | 836 |
| 50 | 2013-05-02 | SRM 578 | 1 | 332 | 175.61 | -0.93 | -13 | 3037 | 814 | -53 | 1736 | 1096 |
| 49 | 2013-04-26 | SRM 577 | 1 | 408 | 356.38 | -0.71 | -10 | 3050 | 767 | -125 | 1789 | 945 |
| 48 | 2013-04-20 | TCO13 Round 2B | 1 | 488 | 384.55 | -0.36 | -4 | 3060 | 738 | -31 | 1914 | 699 |
| 47 | 2013-04-06 | SRM 575 | 1 | 296 | 278.10 | -0.09 | 1 | 3064 | 715 | -8 | 1945 | 649 |
| 46 | 2013-03-31 | TCO13 Round 2A | 1 | 373 | 416.86 | 0.08 | 5 | 3063 | 705 | 4 | 1953 | 629 |
| 45 | 2013-03-25 | SRM 574 | 1 | 244 | 225.40 | -0.11 | 1 | 3058 | 706 | -5 | 1949 | 640 |
| 44 | 2013-03-14 | SRM 573 | 1 | 135 | 171.49 | 0.34 | 11 | 3057 | 704 | 24 | 1954 | 631 |
| 43 | 2013-03-06 | SRM 572 | 1 | 238 | 188.91 | -0.33 | -4 | 3046 | 727 | -19 | 1930 | 666 |
| 42 | 2013-02-23 | TCO13 Round 1A | 1 | 290 | 195.82 | -0.57 | -6 | 3050 | 697 | -13 | 1949 | 624 |
| 41 | 2013-02-19 | SRM 571 | 1 | 38 | 246.88 | 2.70 | 46 | 3056 | 663 | 134 | 1962 | 579 |
| 40 | 2013-02-13 | SRM 570 | 1 | 251 | 232.98 | -0.11 | 1 | 3009 | 779 | 7 | 1828 | 827 |
| 39 | 2013-02-06 | SRM 569 | 1 | 151 | 186.36 | 0.30 | 12 | 3008 | 777 | 39 | 1821 | 839 |
| 38 | 2013-01-29 | SRM 568 | 1 | 291 | 236.40 | -0.30 | -4 | 2997 | 811 | 1 | 1782 | 909 |
| 37 | 2013-01-21 | SRM 567 | 1 | 85 | 234.35 | 1.46 | 37 | 3000 | 784 | 111 | 1781 | 909 |
| 36 | 2013-01-12 | SRM 566 | 1 | 216 | 267.07 | 0.31 | 13 | 2963 | 888 | 58 | 1670 | 1208 |
| 35 | 2012-12-20 | SRM 565 | 1 | 195 | 290.04 | 0.57 | 20 | 2950 | 920 | 85 | 1612 | 1415 |
| 34 | 2012-12-12 | SRM 564 | 1 | 531 | 255.46 | -1.06 | -23 | 2930 | 976 | -73 | 1527 | 1782 |
| 33 | 2012-12-08 | SRM 563 | 1 | 139 | 208.90 | 0.59 | 22 | 2953 | 895 | 89 | 1600 | 1451 |
| 32 | 2012-11-30 | SRM 562 | 1 | 216 | ||||||||
| 31 | 2012-11-20 | SRM 561 | 1 | 616 | 211.63 | -1.54 | -33 | 2931 | 956 | -198 | 1511 | 1864 |
| 30 | 2012-11-10 | SRM 560 | 1 | 172 | 230.42 | 0.42 | 18 | 2963 | 851 | 57 | 1709 | 1087 |
| 29 | 2012-10-30 | SRM 559 | 1 | 188 | 161.16 | -0.22 | -3 | 2946 | 901 | 17 | 1652 | 1252 |
| 28 | 2012-10-10 | SRM 557 | 1 | 463 | 250.05 | -0.90 | -21 | 2949 | 875 | -46 | 1635 | 1324 |
| 27 | 2012-09-01 | SRM 554 | 1 | 78 | 302.50 | 1.96 | 50 | 2969 | 805 | 149 | 1681 | 1160 |
| 26 | 2012-08-04 | SRM 551 | 1 | 312 | 256.43 | -0.28 | -4 | 2919 | 938 | 30 | 1532 | 1736 |
| 25 | 2012-07-21 | SRM 550 | 1 | 265 | 279.75 | 0.08 | 7 | 2923 | 933 | 67 | 1502 | 1897 |
| 24 | 2012-07-02 | SRM 548 | 1 | 392 | 212.39 | -0.88 | -20 | 2916 | 952 | -22 | 1435 | 2225 |
| 23 | 2012-06-25 | SRM 547 | 1 | 170 | 176.09 | 0.05 | 7 | 2936 | 887 | 79 | 1457 | 2128 |
| 22 | 2012-06-07 | SRM 545 | 1 | 808 | 271.79 | -1.57 | -35 | 2929 | 920 | -218 | 1378 | 2687 |
| 21 | 2012-05-29 | SRM 544 | 1 | 311 | 191.04 | -0.70 | -16 | 2964 | 794 | -3 | 1596 | 1505 |
| 20 | 2012-05-19 | SRM 543 | 1 | 660 | 325.59 | -1.21 | -28 | 2981 | 731 | -142 | 1599 | 1499 |
| 19 | 2012-05-12 | TCO12 Round 2B | 1 | 735 | 382.67 | -0.94 | -23 | 3008 | 679 | -57 | 1741 | 1025 |
| 18 | 2012-05-08 | SRM 542 | 1 | 63 | 139.06 | 1.14 | 40 | 3032 | 616 | 109 | 1798 | 892 |
| 17 | 2012-04-23 | SRM 541 | 1 | 482 | 266.54 | -0.86 | -23 | 2992 | 710 | -23 | 1689 | 1186 |
| 16 | 2012-04-21 | TCO12 Round 2A | 1 | 1289 | 397.40 | -1.69 | -45 | 3014 | 658 | -243 | 1712 | 1112 |
| 15 | 2012-04-11 | SRM 540 | 1 | 199 | 229.59 | 0.21 | 15 | 3060 | 522 | 29 | 1955 | 589 |
| 14 | 2012-04-04 | SRM 539 | 1 | 115 | ||||||||
| 13 | 2012-03-31 | TCO12 Round 1A | 1 | 109 | 251.10 | 1.20 | 44 | 3045 | 529 | 75 | 1926 | 631 |
| 12 | 2012-03-20 | SRM 538 | 1 | 148 | 229.28 | 0.63 | 34 | 3001 | 628 | 62 | 1851 | 735 |
| 11 | 2012-03-17 | SRM 537 | 1 | 633 | 267.61 | -1.24 | -41 | 2967 | 707 | -111 | 1789 | 861 |
| 10 | 2012-03-07 | SRM 536 | 1 | 166 | 228.56 | 0.46 | 31 | 3008 | 599 | 42 | 1900 | 645 |
| 9 | 2012-03-03 | SRM 535 | 1 | 81 | 313.45 | 1.95 | 94 | 2977 | 674 | 122 | 1858 | 725 |
| 8 | 2012-02-23 | SRM 534 | 1 | 214 | 259.04 | 0.28 | 28 | 2883 | 934 | 30 | 1736 | 978 |
| 7 | 2012-02-18 | SRM 533 | 1 | 358 | 329.71 | -0.12 | 1 | 2855 | 1007 | -3 | 1706 | 1042 |
| 6 | 2012-02-09 | SRM 532 | 1 | 377 | 284.78 | -0.40 | -21 | 2854 | 1005 | -37 | 1709 | 1021 |
| 5 | 2012-01-31 | SRM 531 | 1 | 265 | 323.14 | 0.29 | 41 | 2875 | 929 | 34 | 1746 | 942 |
| 4 | 2012-01-19 | SRM 530 | 1 | 237 | 254.72 | 0.10 | 28 | 2834 | 1050 | 12 | 1712 | 1005 |
| 3 | 2012-01-14 | SRM 529 | 1 | 475 | 307.33 | -0.63 | -61 | 2806 | 1131 | -91 | 1700 | 1027 |
| 2 | 2011-11-29 | SRM 525 | 1 | 152 | 500.93 | 1.72 | 300 | 2867 | 905 | 181 | 1791 | 820 |
| 1 | 2011-10-25 | SRM 522 | 2 | 16 | 562.23 | 5.14 | 834 | 2567 | 2172 | 410 | 1610 | 1277 |