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 |
|---|---|---|---|
| jfjiang | 71 | 2500 | 1380 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.166 | 0.675 | 0.987 | 36.8 | -135 | 322 | 2172 | 2029 | 1253 |
| initial | 0.117 | 0.677 | 0.943 | 81.6 | -161 | 461 | 2571 | 2142 | 1470 |
| EloSRM | 0.190 | 0.679 | 1.027 | 31.5 | -64 | 413 | 2539 | 2500 | 1192 |
| SRM | 0.370 | 0.756 | 1.156 | 64.5 | -329 | 182 | 1767 | 1380 | 1861 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 71 | 2008-02-16 | TCO08 Round 1 | 1 | 865 | 881.35 | -0.35 | -7 | 2500 | 1192 | -54 | 1380 | 1861 |
| 70 | 2008-02-09 | TCO08 Qual 2 | 1 | 520 | 324.95 | -0.68 | -12 | 2507 | 1141 | -14 | 1434 | 1586 |
| 69 | 2007-10-09 | SRM 370 | 1 | 484 | 277.20 | -0.80 | -14 | 2519 | 965 | -97 | 1448 | 1351 |
| 68 | 2007-10-04 | SRM 369 | 1 | 182 | ||||||||
| 67 | 2007-10-02 | SRM 368 | 1 | 248 | 293.49 | -0.31 | -5 | 2533 | 913 | -46 | 1545 | 1070 |
| 66 | 2007-09-18 | SRM 366 | 1 | 141 | 231.39 | 0.72 | 19 | 2537 | 880 | 75 | 1591 | 963 |
| 65 | 2007-09-12 | SRM 365 | 1 | 294 | 349.13 | -0.28 | -4 | 2519 | 937 | -39 | 1516 | 1133 |
| 64 | 2007-09-04 | SRM 364 | 1 | 234 | 283.15 | 0.28 | 10 | 2523 | 906 | 42 | 1555 | 1046 |
| 63 | 2007-08-30 | TCCC07 Round 1B | 1 | 250 | 148.85 | -0.75 | -13 | 2513 | 926 | -40 | 1513 | 1154 |
| 62 | 2007-08-18 | TCCC07 Qual 1 | 1 | 143 | 209.34 | 0.55 | 14 | 2526 | 871 | 51 | 1553 | 1018 |
| 61 | 2007-08-11 | SRM 363 | 1 | 414 | ||||||||
| 60 | 2007-08-07 | SRM 362 | 1 | 231 | ||||||||
| 59 | 2007-07-17 | SRM 358 | 1 | 285 | 255.92 | -0.49 | -8 | 2511 | 889 | -64 | 1502 | 1122 |
| 58 | 2007-07-12 | SRM 357 | 1 | 233 | 233.32 | 0.00 | 3 | 2520 | 857 | 10 | 1566 | 955 |
| 57 | 2007-07-02 | SRM 356 | 1 | 181 | 223.74 | -0.23 | -3 | 2517 | 852 | -39 | 1556 | 981 |
| 56 | 2007-06-20 | SRM 355 | 1 | 164 | 253.72 | -0.20 | -2 | 2520 | 842 | -40 | 1595 | 887 |
| 55 | 2007-06-14 | SRM 354 | 1 | 162 | 297.34 | 0.88 | 26 | 2523 | 825 | 74 | 1635 | 802 |
| 54 | 2007-04-18 | SRM 345 | 1 | 126 | 334.84 | 1.41 | 34 | 2497 | 844 | 125 | 1561 | 950 |
| 53 | 2007-04-14 | TCO07 Round 2 | 1 | 500 | 500.76 | -0.30 | -6 | 2463 | 903 | -35 | 1436 | 1254 |
| 52 | 2007-04-12 | TCO07 Round 1C | 1 | 166 | 135.95 | -0.29 | -4 | 2469 | 878 | 10 | 1471 | 1143 |
| 51 | 2007-03-31 | TCO07 Qual 2 | 1 | 200 | 247.78 | 0.31 | 11 | 2473 | 846 | 56 | 1461 | 1170 |
| 50 | 2007-03-29 | TCO07 Qual 1 | 1 | 590 | 232.00 | -1.35 | -23 | 2462 | 854 | -54 | 1405 | 1329 |
| 49 | 2007-03-28 | SRM 344 | 1 | 295 | 258.20 | -0.19 | -2 | 2485 | 789 | 15 | 1459 | 1134 |
| 48 | 2007-02-20 | SRM 340 | 1 | 348 | 276.85 | -0.56 | -13 | 2487 | 786 | -62 | 1444 | 1265 |
| 47 | 2007-02-07 | SRM 338 | 1 | 334 | 204.93 | -0.84 | -19 | 2500 | 739 | -126 | 1506 | 1057 |
| 46 | 2006-12-28 | SRM 332 | 1 | 140 | 145.00 | 0.05 | 5 | 2519 | 670 | 19 | 1632 | 745 |
| 45 | 2006-12-21 | SRM 331 | 1 | 97 | 182.17 | 0.91 | 27 | 2514 | 671 | 87 | 1613 | 774 |
| 44 | 2006-11-29 | SRM 328 | 1 | 292 | 177.46 | -0.72 | -15 | 2487 | 701 | -54 | 1526 | 983 |
| 43 | 2006-11-22 | SRM 327 | 1 | 149 | 196.17 | -0.20 | -3 | 2502 | 675 | -23 | 1580 | 822 |
| 42 | 2006-11-02 | SRM 325 | 1 | 184 | 198.80 | 0.11 | 7 | 2504 | 660 | 29 | 1603 | 766 |
| 41 | 2006-10-25 | SRM 324 | 1 | 344 | 181.56 | -0.92 | -20 | 2497 | 666 | -105 | 1574 | 835 |
| 40 | 2006-10-19 | SRM 323 | 1 | 186 | 202.11 | 0.12 | 8 | 2518 | 613 | 22 | 1679 | 629 |
| 39 | 2006-10-02 | SRM 321 | 1 | 168 | 182.77 | 0.12 | 8 | 2509 | 615 | 25 | 1657 | 659 |
| 38 | 2006-09-21 | TCCC06 Round 1A | 1 | 181 | 103.76 | -0.80 | -18 | 2501 | 601 | -28 | 1632 | 682 |
| 37 | 2006-09-09 | TCCC06 Qual 2 | 1 | 82 | 76.71 | -0.10 | 3 | 2519 | 562 | 33 | 1660 | 615 |
| 36 | 2006-08-19 | SRM 316 | 1 | 282 | 175.60 | -0.92 | -22 | 2517 | 549 | -133 | 1627 | 670 |
| 35 | 2006-08-09 | SRM 315 | 1 | 79 | 161.85 | 1.03 | 40 | 2539 | 510 | 76 | 1760 | 475 |
| 34 | 2006-08-03 | SRM 314 | 1 | 142 | 144.09 | 0.02 | 6 | 2499 | 578 | 9 | 1684 | 581 |
| 33 | 2006-07-12 | SRM 311 | 1 | 124 | 147.58 | 0.25 | 16 | 2493 | 563 | 29 | 1675 | 573 |
| 32 | 2006-05-31 | SRM 305 | 1 | 129 | 137.10 | 0.09 | 9 | 2477 | 572 | 19 | 1646 | 602 |
| 31 | 2006-05-11 | SRM 302 | 1 | 96 | 138.74 | 0.53 | 26 | 2468 | 579 | 57 | 1627 | 626 |
| 30 | 2006-04-27 | SRM 300 | 1 | 186 | 154.78 | -0.56 | -18 | 2442 | 604 | -81 | 1570 | 713 |
| 29 | 2006-03-25 | SRM 294 | 1 | 337 | 187.42 | -0.85 | -27 | 2460 | 559 | -107 | 1651 | 569 |
| 28 | 2006-03-17 | SRM 293 | 1 | 121 | 155.72 | 0.36 | 22 | 2487 | 511 | 22 | 1758 | 416 |
| 27 | 2006-03-08 | TCO06 Round 2 | 1 | 214 | 263.05 | 0.30 | 24 | 2465 | 540 | 17 | 1736 | 450 |
| 26 | 2006-03-06 | SRM 292 | 1 | 215 | 164.12 | -0.39 | -15 | 2441 | 568 | -48 | 1719 | 469 |
| 25 | 2006-03-04 | TCO06 Round 1 | 1 | 357 | ||||||||
| 24 | 2006-02-28 | TCO06 Qual 4/11/15 | 1 | 22 | 92.21 | 2.07 | 90 | 2455 | 530 | 91 | 1767 | 420 |
| 23 | 2006-02-21 | SRM 291 | 1 | 59 | 263.20 | 2.16 | 149 | 2366 | 666 | 134 | 1676 | 485 |
| 22 | 2006-01-24 | SRM 285 | 1 | 216 | 206.74 | -0.06 | 2 | 2217 | 905 | -46 | 1542 | 671 |
| 21 | 2006-01-21 | SRM 284 | 1 | 179 | 240.78 | 0.43 | 74 | 2215 | 901 | -2 | 1588 | 584 |
| 20 | 2003-08-06 | SRM 158 | 1 | 52 | 85.95 | 0.72 | 36 | 2142 | 391 | 48 | 1590 | 300 |
| 19 | 2003-05-28 | SRM 148 | 1 | 82 | 78.65 | -0.06 | 2 | 2105 | 433 | -9 | 1542 | 350 |
| 18 | 2003-05-22 | SRM 147 | 1 | 11 | 70.86 | 2.69 | 86 | 2103 | 434 | 182 | 1551 | 339 |
| 17 | 2003-05-14 | SRM 146 | 1 | 52 | 68.89 | 0.41 | 24 | 2017 | 573 | 48 | 1369 | 586 |
| 16 | 2003-05-06 | SRM 145 | 1 | 100 | 81.66 | -0.29 | -10 | 1993 | 610 | -44 | 1321 | 671 |
| 15 | 2003-04-30 | SRM 144 | 1 | 80 | 75.28 | -0.27 | -11 | 2003 | 599 | -80 | 1365 | 594 |
| 14 | 2003-04-15 | SRM 142 | 1 | 46 | 89.86 | 0.97 | 55 | 2015 | 579 | 86 | 1445 | 460 |
| 13 | 2003-04-10 | SRM 141 | 1 | 70 | 95.03 | 0.44 | 33 | 1960 | 666 | 36 | 1359 | 604 |
| 12 | 2003-03-26 | SRM 140 | 1 | 101 | 101.76 | 0.01 | 6 | 1927 | 735 | -34 | 1323 | 679 |
| 11 | 2003-03-18 | SRM 139 | 2 | 2 | 30.82 | 3.95 | 86 | 1921 | 743 | 175 | 1357 | 625 |
| 10 | 2003-03-10 | SRM 138 | 2 | 4 | 53.09 | 3.73 | 102 | 1835 | 931 | 164 | 1182 | 1073 |
| 9 | 2003-03-06 | SRM 137 | 2 | 53 | 55.99 | 0.08 | 14 | 1733 | 1189 | 47 | 1018 | 1652 |
| 8 | 2003-02-25 | SRM 136 | 2 | 35 | 49.85 | 0.51 | 35 | 1719 | 1218 | 68 | 971 | 1855 |
| 7 | 2003-02-22 | TCCC '03 Int'l Regional | 1 | 80 | 76.59 | -0.23 | -19 | 1684 | 1301 | -95 | 903 | 2108 |
| 6 | 2003-02-11 | SRM 135 | 2 | 60 | 65.73 | 0.13 | 21 | 1704 | 1272 | 44 | 998 | 1754 |
| 5 | 2003-02-08 | SRM 134 | 2 | 156 | 62.85 | -1.52 | -64 | 1682 | 1319 | -144 | 954 | 1968 |
| 4 | 2003-02-05 | SRM 133 | 2 | 76 | 47.73 | -0.67 | -29 | 1746 | 1127 | 2 | 1098 | 1350 |
| 3 | 2003-01-25 | SRM 130 | 2 | 21 | 44.41 | 1.08 | 118 | 1775 | 1016 | 109 | 1096 | 1303 |
| 2 | 2003-01-06 | SRM 128 | 1 | 115 | 101.76 | -0.20 | -43 | 1656 | 1346 | -329 | 987 | 1711 |
| 1 | 2003-01-02 | SRM 127 | 2 | 38 | 123.45 | 1.70 | 413 | 1700 | 1209 | 116 | 1316 | 665 |