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 |
|---|---|---|---|
| xianchao | 63 | 2800 | 1641 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.338 | 0.800 | 1.103 | 38.0 | -81 | 256 | 2802 | 2800 | 1417 |
| Odd | 0.351 | 0.802 | 1.108 | 36.5 | -64 | 189 | 2605 | 2599 | 1448 |
| SRMFix | 0.400 | 0.807 | 1.140 | 36.0 | -71 | 120 | 2175 | 2163 | 1384 |
| initial | 0.184 | 0.845 | 1.156 | 101.8 | -299 | 458 | 2805 | 2573 | 1141 |
| SRM | 0.495 | 0.883 | 1.319 | 76.7 | -214 | 177 | 1688 | 1641 | 1298 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 63 | 2012-06-02 | Round 2C | 1 | 502 | 551.84 | 0.14 | 9 | 2800 | 1417 | 6 | 1641 | 1298 |
| 62 | 2012-05-19 | SRM 543 | 1 | 566 | 406.89 | -0.48 | -11 | 2791 | 1437 | -53 | 1635 | 1355 |
| 61 | 2012-05-12 | TCO12 Round 2B | 1 | 457 | 640.05 | 0.49 | 23 | 2802 | 1410 | 32 | 1688 | 1180 |
| 60 | 2012-03-31 | TCO12 Round 1A | 1 | 180 | 528.82 | 1.56 | 45 | 2780 | 1357 | 86 | 1656 | 1215 |
| 59 | 2012-03-17 | SRM 537 | 1 | 348 | 509.63 | 0.55 | 27 | 2734 | 1554 | 48 | 1570 | 1511 |
| 58 | 2012-03-03 | SRM 535 | 1 | 387 | 470.76 | 0.28 | 18 | 2707 | 1652 | 31 | 1522 | 1736 |
| 57 | 2011-12-06 | SRM 526 | 1 | 301 | 257.31 | -0.23 | -5 | 2689 | 1578 | -18 | 1491 | 1776 |
| 56 | 2011-06-02 | SRM 508 | 1 | 540 | 477.69 | -0.50 | -10 | 2694 | 1432 | -76 | 1509 | 1655 |
| 55 | 2011-05-28 | SRM 507 | 1 | 30 | 433.36 | 3.85 | 70 | 2704 | 1371 | 177 | 1585 | 1353 |
| 54 | 2011-05-11 | SRM 506 | 1 | 340 | 307.30 | -0.15 | -2 | 2634 | 1562 | 3 | 1408 | 2051 |
| 53 | 2011-04-07 | SRM 502 | 1 | 448 | 287.36 | -0.76 | -18 | 2635 | 1533 | -125 | 1405 | 2038 |
| 52 | 2011-03-19 | SRM 500 | 1 | 312 | 505.52 | 0.70 | 25 | 2653 | 1442 | 71 | 1530 | 1440 |
| 51 | 2011-02-10 | SRM 497 | 1 | 392 | 300.60 | -0.38 | -8 | 2629 | 1495 | -40 | 1459 | 1720 |
| 50 | 2011-01-22 | Member SRM 494 | 1 | 536 | 411.53 | -0.60 | -14 | 2637 | 1423 | -113 | 1499 | 1507 |
| 49 | 2011-01-12 | SRM 493 | 1 | 110 | 301.67 | 1.46 | 42 | 2651 | 1359 | 110 | 1612 | 1134 |
| 48 | 2010-12-28 | SRM 492 | 1 | 130 | 323.47 | 1.32 | 40 | 2609 | 1513 | 118 | 1502 | 1486 |
| 47 | 2010-12-18 | Member SRM 491 | 1 | 276 | 441.29 | 0.68 | 26 | 2569 | 1675 | 88 | 1384 | 2048 |
| 46 | 2010-12-08 | SRM 490 | 1 | 494 | 428.07 | -0.42 | -12 | 2543 | 1761 | -59 | 1296 | 2554 |
| 45 | 2010-11-18 | SRM 488 | 1 | 276 | 308.76 | -0.26 | -6 | 2555 | 1674 | -32 | 1355 | 2168 |
| 44 | 2010-11-13 | SRM 487 | 1 | 400 | 454.94 | 0.19 | 11 | 2561 | 1639 | 37 | 1387 | 1962 |
| 43 | 2010-10-05 | SRM 484 | 1 | 221 | 287.08 | 0.38 | 17 | 2550 | 1676 | 62 | 1350 | 2154 |
| 42 | 2010-09-25 | SRM 483 | 1 | 464 | 431.96 | -0.41 | -12 | 2533 | 1736 | -54 | 1288 | 2514 |
| 41 | 2010-09-15 | Member SRM 482 | 1 | 462 | 440.28 | -0.07 | 1 | 2544 | 1686 | 5 | 1342 | 2165 |
| 40 | 2010-06-30 | Member Single Round Match 474 | 1 | 334 | 275.05 | -0.28 | -7 | 2544 | 1613 | -30 | 1337 | 2135 |
| 39 | 2010-06-19 | TCO10 Round 1 | 1 | 1224 | 783.84 | -0.64 | -18 | 2551 | 1566 | -104 | 1367 | 1991 |
| 38 | 2010-06-17 | SRM 473 | 1 | 348 | 287.84 | -0.27 | -7 | 2569 | 1483 | -46 | 1471 | 1524 |
| 37 | 2010-06-05 | SRM 472 | 1 | 259 | 425.42 | 0.72 | 30 | 2576 | 1431 | 61 | 1517 | 1370 |
| 36 | 2010-05-20 | SRM 470 | 1 | 95 | 498.49 | 2.39 | 75 | 2546 | 1506 | 175 | 1456 | 1533 |
| 35 | 2010-05-12 | TCO10 Qual 2 | 1 | 501 | 402.12 | -0.32 | -7 | 2471 | 1799 | 13 | 1281 | 2437 |
| 34 | 2010-04-15 | SRM 467 | 2 | 8 | 46.47 | 2.54 | 41 | 2478 | 1639 | 144 | 1268 | 2418 |
| 33 | 2010-04-03 | SRM 466 | 1 | 798 | 528.31 | -0.60 | -23 | 2437 | 1779 | -195 | 1124 | 3473 |
| 32 | 2010-03-25 | Member SRM 465 | 1 | 379 | 317.05 | -0.26 | -9 | 2459 | 1670 | -48 | 1319 | 2055 |
| 31 | 2010-03-16 | SRM 464 | 1 | 650 | 452.31 | -0.59 | -23 | 2469 | 1654 | -159 | 1367 | 1824 |
| 30 | 2010-02-17 | SRM 462 | 1 | 81 | 346.57 | 2.10 | 89 | 2492 | 1720 | 151 | 1526 | 1344 |
| 29 | 2010-02-13 | Member SRM 461 | 1 | 437 | 464.85 | -0.21 | -8 | 2403 | 2072 | -53 | 1375 | 1947 |
| 28 | 2010-02-06 | SRM 460 | 1 | 293 | 480.67 | 0.71 | 49 | 2412 | 2026 | 55 | 1428 | 1685 |
| 27 | 2009-10-20 | SRM 451 | 1 | 318 | 372.93 | 0.23 | 17 | 2362 | 2185 | 7 | 1373 | 1964 |
| 26 | 2009-10-17 | SRM 450 | 1 | 343 | 455.94 | 0.41 | 30 | 2345 | 2258 | 26 | 1366 | 2001 |
| 25 | 2009-09-23 | SRM 449 | 1 | 232 | 644.54 | 1.47 | 87 | 2316 | 2378 | 140 | 1340 | 2132 |
| 24 | 2009-09-10 | SRM 448 | 1 | 444 | 515.42 | -0.09 | -3 | 2229 | 2787 | -26 | 1200 | 3140 |
| 23 | 2009-08-25 | SRM 447 | 2 | 28 | 159.22 | 2.51 | 67 | 2232 | 2750 | 107 | 1226 | 2879 |
| 22 | 2009-06-13 | SRM 442 | 2 | 475 | 148.71 | -1.68 | -32 | 2165 | 3071 | -48 | 1119 | 3731 |
| 21 | 2009-04-30 | SRM 439 | 2 | 25 | 138.42 | 2.47 | 62 | 2197 | 2858 | 110 | 1167 | 3755 |
| 20 | 2009-03-24 | SRM 437 | 2 | 581 | 164.74 | -1.82 | -35 | 2135 | 3220 | -94 | 1057 | 5662 |
| 19 | 2009-03-11 | SRM 436 | 2 | 210 | 149.61 | -0.49 | -7 | 2170 | 3048 | 5 | 1151 | 4245 |
| 18 | 2009-03-07 | TCO09 Round 1 | 1 | 723 | 1,267.26 | 0.81 | 63 | 2177 | 2966 | 112 | 1146 | 4257 |
| 17 | 2009-03-04 | TCO09 Qual 3 | 1 | 216 | 561.90 | 1.38 | 74 | 2114 | 3332 | 124 | 1034 | 5888 |
| 16 | 2009-02-28 | TCO09 Qual 2 | 1 | 868 | 856.65 | -0.02 | 4 | 2040 | 3753 | 20 | 910 | 7948 |
| 15 | 2009-02-24 | TCO09 Qual 1 | 1 | 658 | 868.74 | 0.40 | 41 | 2036 | 3701 | 72 | 890 | 8222 |
| 14 | 2009-02-12 | SRM 435 | 2 | 158 | 227.51 | 0.53 | 40 | 1994 | 4138 | 65 | 818 | 9252 |
| 13 | 2009-02-07 | SRM 434 | 2 | 209 | 368.66 | 0.82 | 64 | 1954 | 4570 | 75 | 753 | 10209 |
| 12 | 2009-01-21 | SRM 433 | 2 | 195 | 439.86 | 1.17 | 106 | 1890 | 5089 | 94 | 678 | 11143 |
| 11 | 2009-01-06 | SRM 432 | 2 | 598 | 295.24 | -1.02 | -81 | 1784 | 6178 | -179 | 584 | 11823 |
| 10 | 2008-12-23 | SRM 431 | 2 | 1 | ||||||||
| 9 | 2008-12-20 | SRM 430 | 2 | 190 | 554.81 | 1.55 | 256 | 1865 | 5325 | 87 | 763 | 10096 |
| 8 | 2007-02-14 | SRM 339 | 2 | 184 | 321.31 | 0.80 | 82 | 1609 | 4789 | 74 | 676 | 6819 |
| 7 | 2007-02-03 | SRM 337 | 2 | 544 | 382.38 | -0.62 | -48 | 1527 | 5346 | -94 | 602 | 7202 |
| 6 | 2007-01-25 | SRM 336 | 2 | 246 | 285.77 | 0.22 | 44 | 1575 | 4917 | 7 | 696 | 6566 |
| 5 | 2006-09-09 | TCCC06 Qual 2 | 1 | 653 | 460.40 | -0.57 | -61 | 1531 | 4665 | -214 | 689 | 6167 |
| 4 | 2006-07-26 | SRM 313 | 2 | 263 | 251.10 | -0.07 | 8 | 1592 | 4229 | -34 | 903 | 4438 |
| 3 | 2006-06-08 | SRM 306 | 2 | 153 | 222.63 | -0.16 | -4 | 1584 | 4053 | -49 | 937 | 4041 |
| 2 | 2006-05-31 | SRM 305 | 2 | 200 | 154.89 | -0.37 | -36 | 1588 | 4008 | -137 | 986 | 3664 |
| 1 | 2006-05-27 | SRM 304 | 2 | 246 | 342.52 | 0.48 | 166 | 1624 | 3740 | -77 | 1123 | 2643 |