3.51 The challenge must be met if the rating system is to succeed, if it is to produce ratings that will satisfy the players and the users of the rating list.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| piotr.kukla | 126 | 3066 | 1885 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.167 | 0.717 | 0.947 | 21.6 | -50 | 721 | 3066 | 3066 | 958 |
| Odd | 0.180 | 0.721 | 0.948 | 23.1 | -45 | 747 | 2804 | 2804 | 977 |
| SRMFix | 0.171 | 0.724 | 0.946 | 27.1 | -73 | 645 | 2334 | 2316 | 921 |
| initial | 0.104 | 0.776 | 1.028 | 93.4 | -332 | 468 | 2961 | 2781 | 724 |
| SRM | 0.359 | 0.791 | 1.067 | 71.0 | -207 | 337 | 1914 | 1885 | 732 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 126 | 2015-05-31 | 2015 TCO 2A | 1 | 203 | 373.96 | 0.88 | 30 | 3066 | 958 | 53 | 1885 | 732 |
| 125 | 2015-05-09 | 2015 TCO 1C | 1 | 86 | 114.65 | 0.42 | 17 | 3036 | 1067 | 29 | 1832 | 862 |
| 124 | 2014-06-19 | SRM 625 | 1 | 418 | 265.94 | -0.65 | -8 | 3019 | 1062 | -62 | 1803 | 917 |
| 123 | 2014-06-07 | TCO14 Round 2B | 1 | 223 | 515.60 | 1.21 | 21 | 3028 | 1043 | 73 | 1865 | 809 |
| 122 | 2014-05-20 | SRM 621 | 1 | 206 | 300.82 | 0.55 | 12 | 3006 | 1094 | 40 | 1792 | 981 |
| 121 | 2014-05-17 | TCO14 Round 2A | 1 | 295 | 562.51 | 0.93 | 19 | 2995 | 1125 | 76 | 1752 | 1087 |
| 120 | 2014-05-10 | SRM 620 | 1 | 588 | 366.78 | -0.68 | -9 | 2976 | 1199 | -52 | 1676 | 1314 |
| 119 | 2014-04-12 | TCO14 Round 1A | 1 | 418 | 423.67 | 0.02 | 3 | 2985 | 1117 | 22 | 1728 | 1130 |
| 118 | 2014-02-07 | SRM 608 | 1 | 389 | 358.94 | -0.62 | -7 | 2982 | 1097 | -99 | 1706 | 1200 |
| 117 | 2014-01-21 | SRM 605 | 1 | 340 | 219.90 | -0.63 | -7 | 2990 | 1058 | -45 | 1805 | 936 |
| 116 | 2014-01-11 | SRM 604 | 1 | 105 | 325.21 | 1.63 | 24 | 2997 | 1027 | 94 | 1850 | 842 |
| 115 | 2014-01-06 | SRM 603 | 1 | 78 | 242.91 | 1.64 | 25 | 2973 | 1089 | 104 | 1756 | 1066 |
| 114 | 2013-12-28 | SRM 602 | 1 | 128 | 331.52 | 1.37 | 24 | 2947 | 1196 | 108 | 1652 | 1357 |
| 113 | 2013-12-22 | SRM 601 | 1 | 236 | 325.20 | 0.46 | 11 | 2924 | 1261 | 73 | 1544 | 1740 |
| 112 | 2013-12-14 | SRM 600 | 1 | 727 | 429.36 | -0.76 | -12 | 2912 | 1299 | -42 | 1471 | 2130 |
| 111 | 2013-12-04 | SRM 599 | 1 | 400 | 284.39 | -0.49 | -7 | 2924 | 1234 | -1 | 1513 | 1895 |
| 110 | 2013-11-20 | SRM 597 | 1 | 177 | 290.45 | 0.72 | 16 | 2931 | 1190 | 94 | 1514 | 1862 |
| 109 | 2013-10-15 | SRM 594 | 1 | 418 | 345.87 | -0.66 | -9 | 2915 | 1235 | -62 | 1420 | 2372 |
| 108 | 2013-10-05 | SRM 593 | 1 | 393 | 385.81 | -0.53 | -8 | 2924 | 1195 | -59 | 1482 | 2006 |
| 107 | 2013-07-19 | SRM 585 | 1 | 677 | 286.30 | -1.24 | -16 | 2932 | 1115 | -130 | 1541 | 1681 |
| 106 | 2013-07-10 | SRM 584 | 1 | 179 | 227.68 | 0.35 | 9 | 2947 | 1063 | 46 | 1671 | 1188 |
| 105 | 2013-06-18 | SRM 583 | 1 | 238 | 299.12 | 0.33 | 8 | 2939 | 1096 | 53 | 1625 | 1355 |
| 104 | 2013-05-18 | SRM 579 | 1 | 563 | 381.69 | -0.81 | -10 | 2930 | 1147 | -108 | 1572 | 1627 |
| 103 | 2013-05-11 | TCO13 Round 2C | 1 | 518 | 519.46 | -0.48 | -6 | 2941 | 1116 | -80 | 1680 | 1249 |
| 102 | 2013-04-26 | SRM 577 | 1 | 242 | 309.10 | 0.35 | 9 | 2947 | 1083 | 29 | 1760 | 1023 |
| 101 | 2013-04-20 | TCO13 Round 2B | 1 | 292 | 518.57 | 0.83 | 17 | 2938 | 1117 | 68 | 1731 | 1117 |
| 100 | 2013-04-06 | SRM 575 | 1 | 360 | 387.58 | 0.11 | 5 | 2921 | 1177 | 27 | 1663 | 1361 |
| 99 | 2013-03-31 | TCO13 Round 2A | 1 | 419 | 559.85 | 0.39 | 10 | 2917 | 1186 | 58 | 1636 | 1472 |
| 98 | 2013-03-25 | SRM 574 | 1 | 602 | 356.16 | -0.94 | -13 | 2906 | 1202 | -112 | 1578 | 1726 |
| 97 | 2013-02-23 | TCO13 Round 1A | 1 | 273 | 298.67 | 0.13 | 5 | 2920 | 1102 | 28 | 1690 | 1214 |
| 96 | 2013-02-19 | SRM 571 | 1 | 326 | 306.32 | -0.09 | 1 | 2915 | 1090 | 11 | 1662 | 1277 |
| 95 | 2013-01-12 | SRM 566 | 1 | 283 | 289.30 | 0.03 | 3 | 2914 | 1045 | 26 | 1651 | 1264 |
| 94 | 2012-12-08 | SRM 563 | 1 | 119 | 226.09 | 0.93 | 17 | 2911 | 1025 | 94 | 1625 | 1358 |
| 93 | 2012-11-20 | SRM 561 | 1 | 376 | 310.02 | -0.66 | -8 | 2893 | 1080 | -86 | 1531 | 1769 |
| 92 | 2012-11-10 | SRM 560 | 1 | 336 | 251.52 | -0.42 | -5 | 2902 | 1041 | -10 | 1617 | 1403 |
| 91 | 2012-10-19 | SRM 558 | 1 | 277 | 254.92 | -0.12 | 0 | 2906 | 1018 | 21 | 1627 | 1352 |
| 90 | 2012-10-10 | SRM 557 | 1 | 341 | 285.19 | -0.26 | -2 | 2906 | 1015 | 12 | 1606 | 1431 |
| 89 | 2012-09-13 | SRM 556 | 1 | 414 | 276.56 | -0.85 | -10 | 2908 | 1012 | -111 | 1594 | 1486 |
| 88 | 2012-09-01 | SRM 554 | 1 | 377 | 300.79 | -0.33 | -3 | 2919 | 954 | -5 | 1705 | 1070 |
| 87 | 2012-08-04 | SRM 551 | 1 | 162 | 265.09 | 0.71 | 13 | 2922 | 933 | 70 | 1710 | 1057 |
| 86 | 2012-07-09 | SRM 549 | 1 | 381 | 255.14 | -0.88 | -10 | 2908 | 964 | -110 | 1640 | 1292 |
| 85 | 2012-07-02 | SRM 548 | 1 | 238 | 221.31 | -0.10 | 1 | 2918 | 945 | 7 | 1750 | 972 |
| 84 | 2012-06-16 | SRM 546 | 1 | 71 | 311.21 | 2.13 | 28 | 2918 | 959 | 143 | 1743 | 1009 |
| 83 | 2012-06-07 | SRM 545 | 1 | 304 | 322.67 | 0.09 | 4 | 2890 | 1053 | 41 | 1600 | 1485 |
| 82 | 2012-06-02 | Round 2C | 1 | 926 | 455.70 | -1.04 | -14 | 2886 | 1062 | -168 | 1559 | 1648 |
| 81 | 2012-05-29 | SRM 544 | 1 | 353 | 288.82 | -0.67 | -8 | 2900 | 983 | -116 | 1727 | 1030 |
| 80 | 2012-05-19 | SRM 543 | 1 | 429 | 322.82 | -0.41 | -4 | 2908 | 954 | -41 | 1843 | 774 |
| 79 | 2012-05-12 | TCO12 Round 2B | 1 | 558 | 500.13 | -0.16 | -1 | 2912 | 948 | -30 | 1884 | 693 |
| 78 | 2012-04-23 | SRM 541 | 1 | 154 | 352.00 | 1.19 | 20 | 2913 | 938 | 66 | 1914 | 641 |
| 77 | 2012-04-21 | TCO12 Round 2A | 1 | 323 | 595.83 | 0.88 | 17 | 2893 | 1010 | 60 | 1848 | 773 |
| 76 | 2012-04-11 | SRM 540 | 1 | 381 | 441.98 | -0.44 | -5 | 2876 | 1017 | -83 | 1788 | 897 |
| 75 | 2012-04-07 | TCO12 Round 1B | 1 | 79 | 301.49 | 1.93 | 25 | 2881 | 985 | 89 | 1871 | 716 |
| 74 | 2012-03-20 | SRM 538 | 1 | 79 | 318.91 | 2.01 | 30 | 2856 | 1032 | 119 | 1782 | 864 |
| 73 | 2012-03-17 | SRM 537 | 1 | 300 | 418.40 | 0.48 | 12 | 2826 | 1142 | 49 | 1663 | 1167 |
| 72 | 2012-03-03 | SRM 535 | 1 | 859 | 362.18 | -1.28 | -17 | 2814 | 1164 | -170 | 1614 | 1348 |
| 71 | 2012-02-18 | SRM 533 | 1 | 88 | 370.14 | 2.07 | 32 | 2831 | 1086 | 115 | 1784 | 860 |
| 70 | 2012-02-09 | SRM 532 | 1 | 351 | 334.43 | -0.07 | 1 | 2799 | 1192 | -2 | 1669 | 1133 |
| 69 | 2012-01-31 | SRM 531 | 1 | 397 | 426.43 | -0.45 | -6 | 2798 | 1185 | -92 | 1671 | 1111 |
| 68 | 2012-01-14 | SRM 529 | 1 | 461 | 347.55 | -0.41 | -5 | 2804 | 1139 | -52 | 1763 | 884 |
| 67 | 2011-12-28 | SRM 528 | 1 | 118 | 337.21 | 1.52 | 28 | 2809 | 1118 | 86 | 1815 | 779 |
| 66 | 2011-12-17 | SRM 527 | 1 | 278 | 387.44 | 0.48 | 12 | 2781 | 1205 | 31 | 1729 | 954 |
| 65 | 2011-11-29 | SRM 525 | 1 | 450 | 347.04 | -0.38 | -5 | 2769 | 1230 | -40 | 1698 | 1025 |
| 64 | 2011-11-17 | SRM 524 | 1 | 164 | 343.66 | 1.06 | 22 | 2774 | 1198 | 70 | 1738 | 924 |
| 63 | 2011-11-12 | SRM 523 | 1 | 231 | 359.18 | 0.64 | 15 | 2752 | 1274 | 51 | 1668 | 1095 |
| 62 | 2011-10-13 | SRM 521 | 1 | 73 | 357.23 | 2.29 | 36 | 2736 | 1324 | 149 | 1617 | 1245 |
| 61 | 2011-10-04 | SRM 520 | 1 | 613 | 403.06 | -0.60 | -9 | 2700 | 1471 | -60 | 1468 | 1858 |
| 60 | 2011-09-14 | SRM 518 | 1 | 600 | 384.63 | -0.64 | -10 | 2710 | 1432 | -67 | 1528 | 1574 |
| 59 | 2011-09-10 | SRM 517 | 1 | 594 | 433.85 | -0.70 | -11 | 2719 | 1357 | -117 | 1595 | 1321 |
| 58 | 2011-08-30 | SRM 516 | 1 | 125 | 341.72 | 1.45 | 28 | 2730 | 1310 | 93 | 1712 | 967 |
| 57 | 2011-08-20 | SRM 515 | 1 | 509 | 369.18 | -0.46 | -7 | 2702 | 1411 | -63 | 1619 | 1233 |
| 56 | 2011-07-26 | SRM 513 | 1 | 109 | 364.30 | 1.74 | 32 | 2710 | 1376 | 112 | 1682 | 1040 |
| 55 | 2011-07-13 | SRM 512 | 1 | 341 | 452.69 | 0.41 | 11 | 2678 | 1502 | 39 | 1570 | 1396 |
| 54 | 2011-07-02 | SRM 511 | 1 | 203 | 484.28 | 1.25 | 27 | 2667 | 1549 | 114 | 1531 | 1541 |
| 53 | 2011-06-21 | SRM 510 | 1 | 272 | 342.18 | -0.22 | -3 | 2640 | 1672 | -24 | 1417 | 2089 |
| 52 | 2011-06-18 | TCO11 Round 1 | 1 | 1167 | 817.23 | -0.51 | -9 | 2643 | 1667 | -69 | 1441 | 1982 |
| 51 | 2011-06-08 | SRM 509 | 1 | 526 | 438.55 | -0.26 | -3 | 2652 | 1621 | -25 | 1510 | 1679 |
| 50 | 2011-06-02 | SRM 508 | 1 | 540 | 500.48 | -0.43 | -7 | 2656 | 1578 | -82 | 1535 | 1547 |
| 49 | 2011-05-28 | SRM 507 | 1 | 78 | 445.07 | 2.51 | 44 | 2663 | 1536 | 150 | 1617 | 1245 |
| 48 | 2011-05-24 | TCO11 Qual 3 | 1 | 393 | 216.59 | -0.86 | -12 | 2619 | 1704 | -37 | 1467 | 1821 |
| 47 | 2011-05-17 | SRM 504.5 | 1 | 325 | 466.96 | 0.52 | 16 | 2631 | 1620 | 54 | 1504 | 1612 |
| 46 | 2011-05-14 | TCO11 Qual 1 | 1 | 735 | 503.60 | -0.55 | -9 | 2615 | 1662 | -28 | 1450 | 1842 |
| 45 | 2011-05-03 | Member SRM 505 | 1 | 306 | 424.06 | -0.19 | -2 | 2624 | 1598 | -30 | 1478 | 1708 |
| 44 | 2011-04-16 | Member SRM 503 | 1 | 374 | 443.47 | 0.25 | 10 | 2627 | 1582 | 27 | 1508 | 1578 |
| 43 | 2011-04-07 | SRM 502 | 1 | 186 | 302.33 | 0.70 | 21 | 2617 | 1599 | 70 | 1481 | 1669 |
| 42 | 2011-03-30 | Member SRM 501 | 1 | 487 | 431.41 | -0.43 | -9 | 2596 | 1680 | -77 | 1411 | 2001 |
| 41 | 2011-03-19 | SRM 500 | 1 | 156 | 558.74 | 1.84 | 47 | 2605 | 1630 | 155 | 1488 | 1626 |
| 40 | 2011-03-08 | SRM 499 | 1 | 302 | 481.01 | 0.67 | 22 | 2558 | 1809 | 85 | 1333 | 2413 |
| 39 | 2011-02-26 | SRM 498 | 1 | 639 | 493.68 | -0.49 | -12 | 2535 | 1883 | -101 | 1248 | 2988 |
| 38 | 2011-02-10 | SRM 497 | 1 | 232 | 353.80 | 0.61 | 22 | 2548 | 1827 | 83 | 1349 | 2313 |
| 37 | 2011-02-01 | SRM 496 | 2 | 28 | 52.39 | 0.90 | 17 | 2526 | 1939 | 97 | 1266 | 2870 |
| 36 | 2011-01-27 | SRM 495 | 1 | 480 | 446.82 | -0.37 | -9 | 2510 | 1992 | -37 | 1169 | 3751 |
| 35 | 2011-01-22 | Member SRM 494 | 2 | 163 | 45.00 | -1.86 | -16 | 2519 | 1931 | 28 | 1206 | 3363 |
| 34 | 2011-01-12 | SRM 493 | 1 | 485 | 324.07 | -0.63 | -18 | 2535 | 1838 | -121 | 1178 | 3627 |
| 33 | 2010-12-28 | SRM 492 | 1 | 321 | 333.72 | 0.06 | 5 | 2553 | 1744 | 35 | 1299 | 2561 |
| 32 | 2010-12-18 | Member SRM 491 | 1 | 518 | 434.86 | -0.25 | -6 | 2548 | 1763 | -14 | 1264 | 2808 |
| 31 | 2010-12-08 | SRM 490 | 2 | 20 | 50.19 | 1.33 | 24 | 2554 | 1713 | 122 | 1278 | 2693 |
| 30 | 2010-11-30 | Member SRM 489 | 1 | 652 | 408.62 | -0.71 | -21 | 2530 | 1828 | -165 | 1156 | 3715 |
| 29 | 2010-11-13 | SRM 487 | 1 | 272 | 475.85 | 0.81 | 33 | 2551 | 1680 | 114 | 1321 | 2347 |
| 28 | 2010-10-26 | SRM 486 | 2 | 213 | 48.82 | -2.12 | -22 | 2518 | 1818 | 14 | 1207 | 3217 |
| 27 | 2010-10-21 | Member SRM 485 | 1 | 470 | 372.22 | -0.52 | -16 | 2539 | 1720 | -61 | 1193 | 3292 |
| 26 | 2010-09-15 | Member SRM 482 | 1 | 660 | 422.42 | -0.70 | -21 | 2555 | 1641 | -152 | 1254 | 2768 |
| 25 | 2010-09-09 | SRM 481 | 1 | 388 | 392.84 | -0.36 | -10 | 2576 | 1539 | -52 | 1406 | 1830 |
| 24 | 2010-08-14 | SRM 479 | 1 | 329 | 392.74 | 0.26 | 14 | 2586 | 1490 | 41 | 1458 | 1620 |
| 23 | 2010-08-04 | Member SRM 478 | 1 | 338 | 384.38 | 0.19 | 12 | 2572 | 1539 | 40 | 1417 | 1772 |
| 22 | 2010-07-28 | SRM 477 | 1 | 549 | 401.53 | -0.45 | -14 | 2560 | 1563 | -57 | 1377 | 1944 |
| 21 | 2010-07-17 | SRM 476 | 1 | 337 | 451.50 | 0.42 | 23 | 2574 | 1506 | 63 | 1434 | 1701 |
| 20 | 2010-07-06 | SRM 475 | 1 | 301 | 341.94 | 0.18 | 13 | 2551 | 1591 | 43 | 1371 | 1982 |
| 19 | 2010-06-26 | TCO10 Round 2 | 1 | 683 | 588.47 | -0.29 | -13 | 2538 | 1624 | -88 | 1328 | 2171 |
| 18 | 2010-06-19 | TCO10 Round 1 | 1 | 670 | 828.26 | 0.31 | 21 | 2551 | 1565 | 49 | 1416 | 1764 |
| 17 | 2010-06-05 | SRM 472 | 1 | 457 | 425.24 | -0.35 | -14 | 2530 | 1638 | -51 | 1367 | 2008 |
| 16 | 2010-05-20 | SRM 470 | 1 | 327 | 472.52 | 0.53 | 33 | 2544 | 1516 | 75 | 1418 | 1684 |
| 15 | 2010-05-12 | TCO10 Qual 2 | 1 | 533 | 363.26 | -0.55 | -19 | 2511 | 1637 | -16 | 1343 | 2070 |
| 14 | 2010-05-04 | SRM 469 | 1 | 498 | 451.64 | -0.14 | -3 | 2529 | 1490 | 1 | 1359 | 1897 |
| 13 | 2010-04-20 | Member SRM 468 | 1 | 540 | 428.88 | -0.52 | -25 | 2532 | 1421 | -107 | 1358 | 1839 |
| 12 | 2010-04-03 | SRM 466 | 1 | 466 | 464.60 | -0.00 | 6 | 2557 | 1313 | 5 | 1465 | 1385 |
| 11 | 2010-03-16 | SRM 464 | 1 | 418 | 431.12 | -0.31 | -14 | 2551 | 1365 | -64 | 1460 | 1439 |
| 10 | 2010-03-02 | SRM 463 | 1 | 296 | 386.79 | 0.39 | 35 | 2565 | 1428 | 39 | 1524 | 1324 |
| 9 | 2010-02-13 | Member SRM 461 | 1 | 179 | 473.66 | 1.40 | 104 | 2530 | 1551 | 142 | 1485 | 1474 |
| 8 | 2010-02-06 | SRM 460 | 1 | 319 | 479.65 | 0.59 | 62 | 2426 | 1969 | 79 | 1343 | 2112 |
| 7 | 2010-01-19 | SRM 459 | 2 | 41 | 125.51 | 1.61 | 75 | 2364 | 2212 | 97 | 1264 | 2619 |
| 6 | 2010-01-14 | Member SRM 458 | 1 | 498 | 485.23 | -0.20 | -18 | 2289 | 2535 | -70 | 1167 | 3343 |
| 5 | 2010-01-04 | SRM 457 | 1 | 303 | 370.87 | -0.08 | -4 | 2308 | 2434 | -20 | 1237 | 2809 |
| 4 | 2009-12-17 | Member SRM 455 | 1 | 259 | 397.78 | 0.06 | 20 | 2311 | 2397 | 27 | 1257 | 2642 |
| 3 | 2009-11-25 | SRM 453.5 | 1 | 530 | 493.84 | -0.10 | -9 | 2291 | 2498 | -100 | 1230 | 2879 |
| 2 | 2009-11-05 | SRM 452 | 1 | 446 | 419.65 | -0.27 | -50 | 2300 | 2485 | -207 | 1330 | 2237 |
| 1 | 2009-10-17 | SRM 450 | 2 | 43 | 666.32 | 3.95 | 721 | 2351 | 2227 | 337 | 1537 | 1282 |