8.28 Proper adjustment of K is advantageous to the player, for his opponents, and for the integrity of the entire pool.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| Duc | 117 | 3042 | 1763 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.230 | 0.781 | 1.047 | 27.0 | -53 | 298 | 3042 | 3042 | 912 |
| Odd | 0.233 | 0.786 | 1.059 | 27.0 | -47 | 281 | 2830 | 2768 | 947 |
| initial | 0.113 | 0.791 | 1.074 | 95.3 | -274 | 520 | 3086 | 2766 | 657 |
| SRMFix | 0.198 | 0.795 | 1.072 | 30.8 | -100 | 326 | 2470 | 2322 | 778 |
| SRM | 0.374 | 0.874 | 1.262 | 77.6 | -322 | 279 | 2195 | 1763 | 810 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 117 | 2015-08-22 | 2015 TCO 2D | 1 | 72 | 208.56 | 1.53 | 30 | 3042 | 912 | 98 | 1763 | 810 |
| 116 | 2015-08-01 | SRM 664 | 1 | 208 | 183.21 | -0.23 | -2 | 3012 | 1021 | -9 | 1665 | 1049 |
| 115 | 2015-07-18 | 2015 TCO 2C | 1 | 138 | 252.57 | 0.87 | 22 | 3014 | 1016 | 77 | 1674 | 1022 |
| 114 | 2015-07-09 | SRM 662 | 1 | 175 | 131.13 | -0.65 | -12 | 2993 | 1063 | -109 | 1597 | 1231 |
| 113 | 2015-06-20 | 2015 TCO 2B | 1 | 202 | 252.30 | 0.32 | 11 | 3005 | 1087 | 28 | 1706 | 1015 |
| 112 | 2015-06-11 | SRM 661 | 1 | 186 | 141.41 | -0.40 | -7 | 2994 | 1137 | -39 | 1678 | 1100 |
| 111 | 2015-05-12 | SRM 659 | 1 | 103 | 129.45 | 0.33 | 11 | 3001 | 1171 | 28 | 1717 | 1098 |
| 110 | 2015-04-27 | SRM 657 | 1 | 91 | 149.06 | 0.73 | 21 | 2990 | 1202 | 61 | 1689 | 1149 |
| 109 | 2015-04-11 | 2015 TCO 1A | 1 | 270 | 299.47 | 0.15 | 7 | 2969 | 1298 | 28 | 1628 | 1391 |
| 108 | 2015-04-09 | SRM 655 | 1 | 248 | 309.02 | -0.36 | -7 | 2962 | 1304 | -73 | 1600 | 1486 |
| 107 | 2015-03-25 | SRM 654 | 1 | 197 | 182.15 | -0.55 | -12 | 2969 | 1286 | -106 | 1673 | 1226 |
| 106 | 2015-03-17 | SRM 653 | 1 | 240 | 225.77 | -0.12 | 0 | 2981 | 1243 | -24 | 1779 | 965 |
| 105 | 2015-03-09 | SRM 652 | 1 | 268 | ||||||||
| 104 | 2015-02-17 | SRM 650 | 1 | 91 | 160.80 | 0.82 | 36 | 2981 | 1248 | 40 | 1803 | 917 |
| 103 | 2015-02-10 | SRM 649 | 1 | 313 | 236.76 | -0.40 | -15 | 2945 | 1373 | -53 | 1763 | 1003 |
| 102 | 2013-03-09 | TCO13 Round 1C | 1 | 83 | 191.83 | 1.21 | 27 | 2960 | 982 | 65 | 1816 | 909 |
| 101 | 2013-02-19 | SRM 571 | 1 | 443 | 285.92 | -0.63 | -13 | 2933 | 1035 | -50 | 1751 | 1018 |
| 100 | 2013-02-13 | SRM 570 | 1 | 507 | 256.47 | -0.98 | -22 | 2946 | 983 | -96 | 1801 | 877 |
| 99 | 2013-02-06 | SRM 569 | 1 | 393 | 186.97 | -1.07 | -28 | 2968 | 897 | -111 | 1897 | 689 |
| 98 | 2013-01-29 | SRM 568 | 1 | 300 | 234.16 | -0.36 | -9 | 2995 | 813 | -48 | 2008 | 520 |
| 97 | 2011-04-16 | Member SRM 503 | 1 | 231 | 196.73 | -0.23 | -1 | 3004 | 464 | -22 | 2056 | 395 |
| 96 | 2011-04-07 | SRM 502 | 1 | 164 | 126.44 | -0.38 | -3 | 3006 | 470 | -31 | 2078 | 379 |
| 95 | 2011-03-30 | Member SRM 501 | 1 | 282 | 167.66 | -0.75 | -7 | 3008 | 465 | -62 | 2109 | 359 |
| 94 | 2011-03-19 | SRM 500 | 1 | 163 | 239.63 | 0.56 | 11 | 3016 | 448 | 10 | 2171 | 296 |
| 93 | 2011-03-08 | SRM 499 | 1 | 217 | 182.12 | -0.25 | -1 | 3005 | 463 | -34 | 2161 | 308 |
| 92 | 2011-02-26 | SRM 498 | 1 | 148 | 203.83 | 0.46 | 10 | 3006 | 450 | 4 | 2195 | 285 |
| 91 | 2011-02-10 | SRM 497 | 1 | 96 | 147.80 | 0.62 | 12 | 2997 | 460 | 11 | 2191 | 296 |
| 90 | 2011-02-01 | SRM 496 | 1 | 109 | 186.25 | 0.77 | 14 | 2985 | 481 | 20 | 2180 | 293 |
| 89 | 2011-01-27 | SRM 495 | 1 | 98 | 177.47 | 0.86 | 15 | 2971 | 503 | 25 | 2160 | 298 |
| 88 | 2011-01-22 | Member SRM 494 | 1 | 91 | 211.88 | 1.22 | 21 | 2956 | 531 | 46 | 2135 | 317 |
| 87 | 2011-01-12 | SRM 493 | 1 | 45 | 173.08 | 1.94 | 29 | 2935 | 566 | 92 | 2089 | 362 |
| 86 | 2010-12-28 | SRM 492 | 1 | 154 | 173.22 | 0.17 | 6 | 2906 | 624 | 8 | 1997 | 459 |
| 85 | 2010-12-18 | Member SRM 491 | 1 | 66 | 243.94 | 1.89 | 30 | 2900 | 634 | 99 | 1989 | 469 |
| 84 | 2010-12-08 | SRM 490 | 1 | 165 | 239.68 | 0.54 | 13 | 2871 | 687 | 43 | 1890 | 597 |
| 83 | 2010-11-30 | Member SRM 489 | 1 | 462 | 224.27 | -1.05 | -15 | 2858 | 714 | -96 | 1847 | 645 |
| 82 | 2010-11-18 | SRM 488 | 1 | 24 | 186.60 | 2.96 | 42 | 2873 | 671 | 149 | 1943 | 515 |
| 81 | 2010-11-13 | SRM 487 | 1 | 141 | 289.79 | 1.04 | 23 | 2831 | 776 | 78 | 1794 | 720 |
| 80 | 2010-10-26 | SRM 486 | 1 | 165 | 276.27 | 0.74 | 18 | 2808 | 833 | 70 | 1716 | 881 |
| 79 | 2010-10-21 | Member SRM 485 | 1 | 295 | 233.97 | -0.33 | -4 | 2790 | 862 | -1 | 1646 | 1029 |
| 78 | 2010-10-05 | SRM 484 | 1 | 192 | 177.65 | -0.12 | 1 | 2794 | 858 | 23 | 1647 | 1038 |
| 77 | 2010-09-25 | SRM 483 | 1 | 167 | 273.96 | 0.71 | 19 | 2794 | 857 | 82 | 1624 | 1076 |
| 76 | 2010-06-30 | Member Single Round Match 474 | 1 | 192 | 192.63 | 0.00 | 3 | 2774 | 845 | 43 | 1542 | 1276 |
| 75 | 2010-06-17 | SRM 473 | 1 | 93 | 217.02 | 1.22 | 25 | 2772 | 829 | 133 | 1499 | 1425 |
| 74 | 2010-06-05 | SRM 472 | 1 | 629 | 303.02 | -1.11 | -18 | 2746 | 888 | -159 | 1366 | 2017 |
| 73 | 2010-05-20 | SRM 470 | 1 | 714 | 298.89 | -1.28 | -20 | 2764 | 813 | -170 | 1525 | 1291 |
| 72 | 2010-05-12 | TCO10 Qual 2 | 1 | 465 | 189.10 | -1.30 | -16 | 2784 | 765 | -48 | 1695 | 854 |
| 71 | 2010-05-04 | SRM 469 | 1 | 478 | 270.55 | -0.82 | -13 | 2800 | 701 | -61 | 1743 | 732 |
| 70 | 2010-04-20 | Member SRM 468 | 1 | 77 | 274.45 | 1.83 | 35 | 2813 | 640 | 122 | 1804 | 599 |
| 69 | 2010-04-15 | SRM 467 | 1 | 213 | 195.74 | -0.12 | 0 | 2778 | 720 | 14 | 1682 | 808 |
| 68 | 2010-04-03 | SRM 466 | 1 | 145 | 328.89 | 1.18 | 28 | 2778 | 717 | 106 | 1668 | 830 |
| 67 | 2010-03-25 | Member SRM 465 | 1 | 113 | 215.19 | 0.93 | 26 | 2750 | 758 | 105 | 1562 | 1069 |
| 66 | 2010-03-16 | SRM 464 | 1 | 650 | 306.19 | -1.15 | -22 | 2724 | 840 | -168 | 1457 | 1452 |
| 65 | 2010-03-02 | SRM 463 | 1 | 149 | 280.30 | 0.91 | 26 | 2746 | 844 | 91 | 1625 | 1033 |
| 64 | 2010-01-19 | SRM 459 | 1 | 551 | 311.39 | -0.93 | -19 | 2720 | 908 | -147 | 1534 | 1290 |
| 63 | 2010-01-14 | Member SRM 458 | 1 | 209 | 276.17 | 0.40 | 15 | 2739 | 850 | 48 | 1681 | 904 |
| 62 | 2010-01-04 | SRM 457 | 1 | 303 | 261.86 | -0.58 | -12 | 2724 | 887 | -98 | 1633 | 1022 |
| 61 | 2009-12-22 | SRM 456 | 1 | 333 | 204.92 | -0.70 | -15 | 2736 | 849 | -66 | 1731 | 805 |
| 60 | 2009-10-17 | SRM 450 | 1 | 145 | 243.23 | 0.75 | 22 | 2751 | 781 | 55 | 1797 | 680 |
| 59 | 2009-09-23 | SRM 449 | 1 | 301 | 322.31 | 0.10 | 6 | 2730 | 835 | 20 | 1742 | 774 |
| 58 | 2009-09-10 | SRM 448 | 1 | 444 | 328.29 | -0.74 | -15 | 2723 | 849 | -125 | 1722 | 814 |
| 57 | 2009-08-25 | SRM 447 | 1 | 45 | 258.52 | 2.52 | 55 | 2738 | 803 | 144 | 1847 | 600 |
| 56 | 2009-07-23 | SRM 445 | 1 | 151 | 325.27 | 1.11 | 32 | 2683 | 955 | 87 | 1703 | 852 |
| 55 | 2009-07-08 | SRM 444 | 1 | 234 | 328.11 | 0.49 | 18 | 2651 | 1034 | 55 | 1616 | 1044 |
| 54 | 2009-06-23 | SRM 443 | 1 | 331 | 246.97 | -0.42 | -9 | 2633 | 1069 | -31 | 1561 | 1223 |
| 53 | 2009-06-13 | SRM 442 | 1 | 139 | 329.94 | 1.25 | 40 | 2643 | 1049 | 118 | 1592 | 1137 |
| 52 | 2009-05-27 | SRM 441 | 1 | 234 | 293.36 | 0.33 | 16 | 2603 | 1170 | 63 | 1474 | 1503 |
| 51 | 2009-04-30 | SRM 439 | 1 | 218 | 255.91 | 0.23 | 12 | 2587 | 1217 | 57 | 1411 | 1925 |
| 50 | 2009-03-07 | TCO09 Round 1 | 1 | 1068 | 746.64 | -0.52 | -13 | 2575 | 1230 | -25 | 1354 | 2302 |
| 49 | 2009-02-24 | TCO09 Qual 1 | 1 | 169 | 383.33 | 1.18 | 35 | 2588 | 1133 | 117 | 1379 | 2058 |
| 48 | 2008-12-11 | SRM 429 | 1 | 340 | 347.06 | 0.03 | 4 | 2553 | 1257 | 60 | 1262 | 3009 |
| 47 | 2008-11-12 | SRM 425 | 1 | 534 | 371.43 | -0.66 | -15 | 2549 | 1248 | -69 | 1202 | 3610 |
| 46 | 2008-11-06 | SRM 424 | 1 | 349 | 294.42 | -0.24 | -4 | 2563 | 1172 | 28 | 1271 | 2935 |
| 45 | 2008-10-18 | SRM 422 | 1 | 609 | 361.80 | -0.82 | -19 | 2567 | 1155 | -130 | 1243 | 3223 |
| 44 | 2008-10-08 | SRM 421 | 1 | 454 | 334.39 | -0.66 | -15 | 2586 | 1100 | -78 | 1373 | 2257 |
| 43 | 2008-10-02 | SRM 420 | 1 | 203 | 301.08 | 0.57 | 21 | 2601 | 1041 | 89 | 1451 | 1754 |
| 42 | 2008-09-24 | SRM 419 | 1 | 166 | 232.97 | 0.49 | 20 | 2580 | 1103 | 90 | 1362 | 2346 |
| 41 | 2008-09-20 | SRM 418 | 1 | 535 | 340.49 | -0.75 | -21 | 2560 | 1172 | -116 | 1272 | 3028 |
| 40 | 2008-09-11 | SRM 417 | 1 | 357 | 324.44 | -0.14 | -1 | 2580 | 1097 | 26 | 1388 | 2128 |
| 39 | 2008-09-04 | SRM 416 | 1 | 249 | 304.64 | 0.29 | 16 | 2581 | 1084 | 72 | 1362 | 2336 |
| 38 | 2008-05-06 | SRM 401 | 2 | 2 | 26.13 | 3.71 | 37 | 2565 | 1047 | 185 | 1290 | 2602 |
| 37 | 2008-05-01 | SRM 400 | 1 | 607 | 327.64 | -0.89 | -23 | 2528 | 1161 | -190 | 1105 | 3901 |
| 36 | 2008-04-23 | SRM 399 | 1 | 219 | 234.83 | -0.34 | -8 | 2550 | 1088 | -8 | 1295 | 2320 |
| 35 | 2008-04-15 | SRM 398 | 1 | 515 | 280.87 | -0.88 | -23 | 2558 | 1056 | -119 | 1303 | 2278 |
| 34 | 2008-03-11 | SRM 393 | 1 | 502 | 291.06 | -0.88 | -21 | 2581 | 954 | -145 | 1422 | 1669 |
| 33 | 2008-02-23 | TCO08 Round 2 | 1 | 631 | 524.74 | -0.41 | -11 | 2602 | 888 | -70 | 1567 | 1118 |
| 32 | 2008-02-16 | TCO08 Round 1 | 1 | 707 | 601.24 | -0.23 | -4 | 2613 | 859 | -8 | 1637 | 944 |
| 31 | 2008-02-05 | TCO08 Qual 1 | 1 | 385 | 215.45 | -0.84 | -17 | 2617 | 815 | -40 | 1645 | 899 |
| 30 | 2008-01-15 | SRM 388 | 1 | 351 | 276.87 | -0.34 | -8 | 2634 | 759 | -26 | 1685 | 808 |
| 29 | 2008-01-05 | SRM 386 | 1 | 327 | 228.37 | -0.52 | -11 | 2641 | 734 | -36 | 1711 | 751 |
| 28 | 2007-12-27 | SRM 385 | 1 | 330 | 220.67 | -0.58 | -14 | 2653 | 703 | -49 | 1747 | 688 |
| 27 | 2007-12-11 | SRM 382 | 1 | 167 | 176.95 | 0.08 | 8 | 2667 | 651 | 13 | 1796 | 602 |
| 26 | 2007-12-08 | SRM 381 | 1 | 209 | 233.61 | 0.16 | 11 | 2659 | 671 | 23 | 1783 | 630 |
| 25 | 2007-12-04 | SRM 380 | 1 | 90 | 221.78 | 1.30 | 50 | 2648 | 686 | 104 | 1760 | 655 |
| 24 | 2007-11-20 | SRM 378 | 1 | 80 | 278.59 | 1.80 | 66 | 2598 | 785 | 138 | 1656 | 845 |
| 23 | 2007-11-10 | SRM 375 | 1 | 282 | 199.43 | -0.50 | -16 | 2531 | 949 | -36 | 1518 | 1204 |
| 22 | 2007-10-17 | SRM 372 | 1 | 236 | 295.88 | 0.33 | 20 | 2547 | 881 | 49 | 1554 | 1044 |
| 21 | 2007-10-04 | SRM 369 | 1 | 310 | ||||||||
| 20 | 2007-09-26 | SRM 367 | 1 | 92 | 337.90 | 1.88 | 77 | 2527 | 926 | 163 | 1505 | 1166 |
| 19 | 2007-09-12 | SRM 365 | 1 | 293 | 358.79 | 0.29 | 21 | 2450 | 1112 | 68 | 1342 | 1765 |
| 18 | 2007-09-04 | SRM 364 | 1 | 407 | 313.52 | -0.38 | -16 | 2429 | 1163 | -33 | 1274 | 2132 |
| 17 | 2007-06-14 | SRM 354 | 1 | 346 | 322.96 | -0.10 | 0 | 2446 | 1016 | 27 | 1307 | 1872 |
| 16 | 2007-06-07 | SRM 353 | 1 | 603 | 321.16 | -0.92 | -35 | 2446 | 1007 | -222 | 1280 | 2006 |
| 15 | 2007-06-02 | SRM 352 | 1 | 248 | 308.18 | 0.31 | 22 | 2481 | 926 | 52 | 1502 | 1105 |
| 14 | 2007-05-29 | SRM 351 | 1 | 245 | 300.42 | 0.24 | 20 | 2458 | 960 | 49 | 1450 | 1244 |
| 13 | 2007-05-15 | SRM 349 | 1 | 273 | 313.92 | 0.20 | 19 | 2438 | 998 | 51 | 1401 | 1403 |
| 12 | 2007-04-24 | SRM 346 | 1 | 344 | 254.13 | -0.57 | -28 | 2419 | 1033 | -107 | 1350 | 1586 |
| 11 | 2007-04-18 | SRM 345 | 1 | 367 | 351.24 | -0.36 | -17 | 2447 | 948 | -56 | 1457 | 1201 |
| 10 | 2007-03-22 | SRM 343 | 1 | 120 | 271.19 | 1.18 | 80 | 2464 | 827 | 128 | 1513 | 987 |
| 9 | 2007-03-14 | SRM 342 | 1 | 348 | 202.92 | -0.82 | -46 | 2384 | 1000 | -204 | 1385 | 1386 |
| 8 | 2007-03-10 | SRM 341 | 1 | 220 | 320.54 | 0.54 | 54 | 2431 | 898 | 47 | 1589 | 816 |
| 7 | 2007-02-07 | SRM 338 | 1 | 195 | 248.54 | 0.35 | 41 | 2377 | 1025 | 33 | 1542 | 977 |
| 6 | 2007-02-03 | SRM 337 | 1 | 45 | 405.72 | 3.17 | 281 | 2336 | 1122 | 279 | 1509 | 1042 |
| 5 | 2007-01-25 | SRM 336 | 2 | 73 | 69.06 | -0.08 | 11 | 2055 | 2102 | 35 | 1230 | 2318 |
| 4 | 2007-01-17 | SRM 335 | 2 | 15 | 201.05 | 3.74 | 234 | 2044 | 2149 | 220 | 1195 | 2573 |
| 3 | 2007-01-13 | SRM 334 | 2 | 86 | 410.44 | 2.26 | 298 | 1810 | 3361 | 149 | 975 | 4191 |
| 2 | 2007-01-04 | SRM 333 | 2 | 347 | 439.82 | 0.34 | 121 | 1512 | 5334 | -52 | 826 | 5453 |
| 1 | 2006-02-14 | SRM 289 | 2 | 229 | 228.50 | -0.28 | -53 | 1391 | 4447 | -322 | 878 | 3657 |