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 |
|---|---|---|---|
| sarah_locke | 100 | 2729 | 1234 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.037 | 0.736 | 1.065 | 24.9 | -61 | 276 | 2777 | 2729 | 793 |
| SRMFix | 0.106 | 0.737 | 1.085 | 32.0 | -112 | 291 | 2137 | 1945 | 532 |
| initial | 0.065 | 0.759 | 1.138 | 91.4 | -408 | 508 | 2670 | 1971 | 549 |
| SRM | 0.395 | 0.764 | 1.223 | 64.3 | -198 | 169 | 1684 | 1234 | 925 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 2022-04-23 | SRM 828 | 1 | 32 | 35.54 | -0.15 | -5 | 2729 | 793 | -32 | 1234 | 925 |
| 99 | 2022-04-16 | 2022 TCO 1A | 1 | 105 | 132.42 | 0.34 | 28 | 2734 | 811 | 20 | 1266 | 884 |
| 98 | 2019-07-20 | TCO19 South America Fun Round | 1 | 10 | 6.97 | -0.52 | -17 | 2706 | 1047 | -11 | 1246 | 1410 |
| 97 | 2015-05-09 | 2015 TCO 1C | 1 | 250 | 219.09 | -0.19 | -3 | 2723 | 2361 | 33 | 1257 | 3495 |
| 96 | 2015-02-10 | SRM 649 | 1 | 385 | 345.33 | -0.16 | -3 | 2726 | 2402 | 12 | 1224 | 4101 |
| 95 | 2014-05-10 | SRM 620 | 1 | 743 | 574.71 | -0.52 | -10 | 2729 | 2334 | -63 | 1212 | 4422 |
| 94 | 2014-04-10 | SRM 616 | 1 | 400 | 507.12 | -0.23 | -3 | 2739 | 2100 | -9 | 1275 | 3516 |
| 93 | 2014-03-29 | SRM 614 | 1 | 393 | 449.78 | 0.19 | 7 | 2742 | 2092 | 50 | 1284 | 3422 |
| 92 | 2014-03-11 | SRM 612 | 1 | 324 | 285.81 | -0.42 | -8 | 2735 | 2116 | -49 | 1234 | 3952 |
| 91 | 2014-02-25 | SRM 610 | 1 | 409 | 332.21 | -0.47 | -9 | 2743 | 2101 | -77 | 1283 | 3518 |
| 90 | 2014-02-15 | SRM 609 | 1 | 123 | 449.47 | 1.87 | 38 | 2752 | 2061 | 156 | 1360 | 2917 |
| 89 | 2014-02-07 | SRM 608 | 1 | 389 | 449.93 | -0.29 | -5 | 2714 | 2251 | -10 | 1204 | 4534 |
| 88 | 2014-01-29 | SRM 606 | 2 | 37 | 35.05 | -0.08 | 3 | 2719 | 2197 | 92 | 1214 | 4297 |
| 87 | 2014-01-21 | SRM 605 | 1 | 647 | 364.09 | -0.84 | -18 | 2716 | 2210 | -167 | 1122 | 5311 |
| 86 | 2014-01-11 | SRM 604 | 1 | 513 | 508.82 | -0.38 | -8 | 2734 | 2122 | -30 | 1289 | 3481 |
| 85 | 2014-01-06 | SRM 603 | 1 | 343 | 352.81 | 0.04 | 4 | 2742 | 2044 | 34 | 1319 | 3186 |
| 84 | 2013-12-22 | SRM 601 | 1 | 444 | 441.87 | -0.01 | 3 | 2737 | 2038 | 36 | 1285 | 3437 |
| 83 | 2013-12-04 | SRM 599 | 1 | 483 | 434.11 | -0.43 | -10 | 2734 | 2045 | -38 | 1249 | 3809 |
| 82 | 2013-06-18 | SRM 583 | 2 | 27 | 29.75 | 0.14 | 5 | 2745 | 1855 | 98 | 1287 | 3265 |
| 81 | 2013-06-03 | SRM 581 | 1 | 317 | 300.03 | -0.42 | -7 | 2740 | 1887 | -31 | 1189 | 4291 |
| 80 | 2013-05-25 | SRM 580 | 1 | 793 | 435.27 | -0.86 | -16 | 2747 | 1906 | -168 | 1220 | 4005 |
| 79 | 2013-05-18 | SRM 579 | 1 | 495 | 445.60 | -0.15 | -1 | 2763 | 1828 | 8 | 1388 | 2617 |
| 78 | 2013-05-02 | SRM 578 | 1 | 339 | 343.32 | -0.40 | -7 | 2764 | 1847 | -53 | 1380 | 2728 |
| 77 | 2013-04-26 | SRM 577 | 1 | 408 | 464.46 | -0.33 | -6 | 2771 | 1800 | -49 | 1433 | 2342 |
| 76 | 2013-04-20 | TCO13 Round 2B | 1 | 95 | 713.05 | 2.91 | 58 | 2777 | 1806 | 169 | 1482 | 2130 |
| 75 | 2013-04-11 | SRM 576 | 1 | 430 | 320.58 | -0.59 | -13 | 2719 | 2085 | -87 | 1313 | 3301 |
| 74 | 2013-04-06 | SRM 575 | 1 | 313 | 561.84 | 0.84 | 26 | 2732 | 2048 | 97 | 1400 | 2687 |
| 73 | 2013-03-02 | TCO13 Round 1B | 1 | 277 | 460.49 | 0.73 | 19 | 2706 | 2094 | 93 | 1303 | 3302 |
| 72 | 2013-01-29 | SRM 568 | 2 | 228 | 35.56 | -2.68 | -18 | 2687 | 2093 | 15 | 1210 | 4121 |
| 71 | 2013-01-12 | SRM 566 | 1 | 483 | 437.27 | -0.43 | -9 | 2705 | 1975 | -40 | 1195 | 4265 |
| 70 | 2012-12-20 | SRM 565 | 1 | 465 | 447.26 | -0.36 | -7 | 2714 | 1949 | -30 | 1235 | 3816 |
| 69 | 2012-11-10 | SRM 560 | 1 | 518 | 350.32 | -0.56 | -11 | 2722 | 1874 | -42 | 1265 | 3523 |
| 68 | 2012-10-30 | SRM 559 | 1 | 419 | 237.15 | -0.84 | -17 | 2732 | 1794 | -172 | 1307 | 3129 |
| 67 | 2012-10-10 | SRM 557 | 1 | 226 | 407.44 | 0.85 | 22 | 2749 | 1705 | 86 | 1479 | 2010 |
| 66 | 2012-08-04 | SRM 551 | 1 | 553 | 371.87 | -0.57 | -10 | 2727 | 1771 | -62 | 1393 | 2489 |
| 65 | 2012-06-25 | SRM 547 | 1 | 319 | 274.02 | -0.49 | -8 | 2737 | 1705 | -83 | 1455 | 2138 |
| 64 | 2012-06-07 | SRM 545 | 1 | 480 | 470.64 | -0.42 | -6 | 2744 | 1677 | -80 | 1538 | 1769 |
| 63 | 2012-06-02 | Round 2C | 1 | 420 | 599.38 | 0.51 | 13 | 2750 | 1636 | 36 | 1618 | 1394 |
| 62 | 2012-05-29 | SRM 544 | 1 | 353 | 344.12 | -0.42 | -6 | 2737 | 1694 | -90 | 1582 | 1554 |
| 61 | 2012-05-19 | SRM 543 | 1 | 183 | 475.91 | 1.38 | 27 | 2743 | 1667 | 85 | 1672 | 1211 |
| 60 | 2012-05-08 | SRM 542 | 1 | 286 | 273.84 | -0.46 | -7 | 2716 | 1807 | -97 | 1587 | 1571 |
| 59 | 2012-04-23 | SRM 541 | 1 | 373 | 495.16 | 0.41 | 11 | 2723 | 1770 | 13 | 1684 | 1199 |
| 58 | 2012-04-21 | TCO12 Round 2A | 1 | 354 | 815.71 | 1.20 | 27 | 2712 | 1809 | 84 | 1671 | 1248 |
| 57 | 2012-04-07 | TCO12 Round 1B | 1 | 157 | 510.01 | 1.70 | 27 | 2685 | 1859 | 83 | 1587 | 1518 |
| 56 | 2012-04-04 | SRM 539 | 1 | 396 | ||||||||
| 55 | 2012-03-31 | TCO12 Round 1A | 1 | 621 | 628.25 | 0.02 | 3 | 2658 | 1975 | 4 | 1504 | 1866 |
| 54 | 2012-03-20 | SRM 538 | 1 | 364 | 447.65 | 0.30 | 9 | 2655 | 1963 | 25 | 1500 | 1849 |
| 53 | 2012-03-17 | SRM 537 | 1 | 709 | 578.63 | -0.50 | -9 | 2645 | 2003 | -111 | 1475 | 2004 |
| 52 | 2012-03-07 | SRM 536 | 1 | 407 | 457.45 | 0.17 | 7 | 2654 | 1932 | -5 | 1586 | 1465 |
| 51 | 2012-03-03 | SRM 535 | 1 | 600 | 503.12 | -0.25 | -4 | 2648 | 1934 | -57 | 1591 | 1435 |
| 50 | 2012-02-23 | SRM 534 | 1 | 141 | 399.13 | 1.50 | 34 | 2651 | 1912 | 89 | 1648 | 1215 |
| 49 | 2012-02-18 | SRM 533 | 1 | 153 | 542.67 | 1.83 | 41 | 2617 | 2071 | 122 | 1559 | 1529 |
| 48 | 2012-02-09 | SRM 532 | 1 | 367 | 495.79 | 0.43 | 15 | 2576 | 2292 | 41 | 1437 | 2122 |
| 47 | 2012-01-19 | SRM 530 | 1 | 369 | 391.43 | 0.08 | 5 | 2561 | 2337 | 5 | 1396 | 2359 |
| 46 | 2011-12-28 | SRM 528 | 1 | 477 | 484.40 | 0.02 | 3 | 2556 | 2340 | -4 | 1391 | 2388 |
| 45 | 2011-12-23 | SRM 526.5 | 1 | 382 | 409.74 | 0.10 | 6 | 2553 | 2334 | 7 | 1395 | 2356 |
| 44 | 2011-12-17 | SRM 527 | 1 | 410 | 561.08 | 0.45 | 16 | 2548 | 2345 | 53 | 1388 | 2387 |
| 43 | 2011-12-06 | SRM 526 | 1 | 284 | 330.83 | 0.22 | 9 | 2532 | 2421 | 35 | 1335 | 2753 |
| 42 | 2011-11-29 | SRM 525 | 1 | 567 | 533.00 | -0.09 | 0 | 2522 | 2481 | -6 | 1300 | 3067 |
| 41 | 2011-11-17 | SRM 524 | 1 | 477 | 494.10 | 0.05 | 4 | 2523 | 2463 | 17 | 1306 | 2994 |
| 40 | 2011-11-12 | SRM 523 | 1 | 467 | 502.90 | -0.26 | -6 | 2518 | 2469 | -36 | 1289 | 3124 |
| 39 | 2011-10-25 | SRM 522 | 1 | 436 | 363.59 | -0.26 | -6 | 2524 | 2413 | -42 | 1325 | 2795 |
| 38 | 2011-10-13 | SRM 521 | 1 | 352 | 482.03 | 0.45 | 17 | 2529 | 2364 | 50 | 1367 | 2476 |
| 37 | 2011-10-04 | SRM 520 | 1 | 627 | 549.33 | -0.19 | -4 | 2513 | 2419 | -35 | 1317 | 2806 |
| 36 | 2011-09-19 | SRM 519 | 1 | 364 | 409.59 | 0.17 | 8 | 2516 | 2390 | 17 | 1352 | 2547 |
| 35 | 2011-09-14 | SRM 518 | 1 | 464 | 552.00 | 0.25 | 11 | 2508 | 2430 | 30 | 1335 | 2680 |
| 34 | 2011-09-10 | SRM 517 | 1 | 594 | 559.51 | -0.34 | -9 | 2496 | 2441 | -63 | 1305 | 2865 |
| 33 | 2011-08-30 | SRM 516 | 1 | 482 | 467.97 | -0.04 | 1 | 2505 | 2359 | -19 | 1368 | 2364 |
| 32 | 2011-08-20 | SRM 515 | 1 | 229 | 533.54 | 1.22 | 42 | 2503 | 2352 | 112 | 1387 | 2238 |
| 31 | 2011-08-09 | SRM 514 | 2 | 13 | 81.46 | 2.65 | 36 | 2461 | 2575 | 119 | 1275 | 3081 |
| 30 | 2011-07-26 | SRM 513 | 1 | 601 | 512.76 | -0.34 | -11 | 2425 | 2806 | -88 | 1156 | 4225 |
| 29 | 2011-07-13 | SRM 512 | 1 | 681 | 616.16 | -0.30 | -9 | 2436 | 2727 | -80 | 1244 | 3357 |
| 28 | 2011-07-02 | SRM 511 | 1 | 444 | 642.29 | 0.53 | 25 | 2445 | 2659 | 60 | 1324 | 2670 |
| 27 | 2011-06-21 | SRM 510 | 1 | 272 | 394.24 | -0.02 | 2 | 2420 | 2808 | 6 | 1264 | 3132 |
| 26 | 2011-06-18 | TCO11 Round 1 | 1 | 792 | 1,128.64 | 0.51 | 26 | 2418 | 2834 | 61 | 1258 | 3191 |
| 25 | 2011-06-08 | SRM 509 | 2 | 33 | 140.10 | 2.09 | 37 | 2392 | 2970 | 116 | 1197 | 3813 |
| 24 | 2011-05-28 | SRM 507 | 2 | 292 | 139.93 | -1.06 | -14 | 2355 | 3107 | 22 | 1081 | 4753 |
| 23 | 2011-05-17 | SRM 504.5 | 2 | 808 | 130.80 | -2.63 | -32 | 2368 | 2934 | -71 | 1059 | 4919 |
| 22 | 2011-05-14 | TCO11 Qual 1 | 1 | 380 | 797.39 | 1.07 | 47 | 2400 | 2713 | 114 | 1130 | 4207 |
| 21 | 2011-05-11 | SRM 506 | 2 | 245 | 87.11 | -1.49 | -22 | 2354 | 2951 | 17 | 1016 | 5297 |
| 20 | 2011-05-03 | Member SRM 505 | 2 | 884 | 96.94 | -3.19 | -42 | 2376 | 2835 | -114 | 999 | 5462 |
| 19 | 2011-04-16 | Member SRM 503 | 2 | 396 | 81.59 | -2.28 | -31 | 2418 | 2598 | -2 | 1113 | 4345 |
| 18 | 2011-04-07 | SRM 502 | 1 | 529 | 360.04 | -0.57 | -26 | 2449 | 2394 | -198 | 1115 | 4280 |
| 17 | 2011-03-19 | SRM 500 | 2 | 14 | 101.13 | 2.85 | 58 | 2475 | 2226 | 143 | 1313 | 2580 |
| 16 | 2011-03-08 | SRM 499 | 2 | 423 | 83.29 | -2.34 | -37 | 2417 | 2492 | -28 | 1170 | 3747 |
| 15 | 2011-02-10 | SRM 497 | 2 | 129 | 61.90 | -1.06 | -17 | 2454 | 2287 | 40 | 1198 | 3483 |
| 14 | 2011-01-27 | SRM 495 | 2 | 54 | 73.91 | 0.45 | 21 | 2471 | 2162 | 110 | 1158 | 3838 |
| 13 | 2011-01-22 | Member SRM 494 | 1 | 712 | 486.76 | -0.56 | -31 | 2450 | 2245 | -181 | 1048 | 4662 |
| 12 | 2011-01-12 | SRM 493 | 1 | 485 | 340.16 | -0.56 | -34 | 2481 | 2101 | -149 | 1229 | 3174 |
| 11 | 2010-12-28 | SRM 492 | 1 | 365 | 353.29 | -0.32 | -18 | 2514 | 1935 | -74 | 1378 | 2072 |
| 10 | 2010-12-08 | SRM 490 | 1 | 199 | 483.84 | 1.28 | 102 | 2532 | 1824 | 135 | 1452 | 1694 |
| 9 | 2010-11-18 | SRM 488 | 1 | 270 | 371.93 | 0.45 | 51 | 2430 | 2224 | 68 | 1317 | 2391 |
| 8 | 2010-11-13 | SRM 487 | 1 | 489 | 535.76 | -0.16 | -11 | 2380 | 2438 | -34 | 1249 | 2828 |
| 7 | 2010-09-25 | SRM 483 | 1 | 464 | 480.39 | -0.26 | -20 | 2391 | 2342 | -66 | 1283 | 2552 |
| 6 | 2010-09-15 | Member SRM 482 | 1 | 452 | 547.06 | 0.28 | 43 | 2410 | 2254 | 19 | 1349 | 2125 |
| 5 | 2010-09-09 | SRM 481 | 1 | 302 | 562.09 | 0.90 | 144 | 2367 | 2432 | 109 | 1330 | 2242 |
| 4 | 2010-08-04 | Member SRM 478 | 2 | 38 | 324.54 | 3.09 | 205 | 2223 | 3164 | 147 | 1221 | 2956 |
| 3 | 2010-07-06 | SRM 475 | 2 | 421 | 233.13 | -0.85 | -61 | 2017 | 4425 | -110 | 1074 | 4014 |
| 2 | 2010-06-30 | Member Single Round Match 474 | 2 | 150 | 263.91 | 0.82 | 138 | 2078 | 3972 | 9 | 1184 | 3205 |
| 1 | 2010-06-17 | SRM 473 | 2 | 221 | 412.81 | 0.90 | 276 | 1940 | 4969 | -25 | 1175 | 3333 |