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 |
|---|---|---|---|
| helen19871005 | 41 | 2493 | 1280 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.255 | 0.561 | 0.866 | 37.8 | -70 | 261 | 2511 | 2493 | 3067 |
| SRMFix | 0.313 | 0.572 | 0.878 | 34.8 | -89 | 169 | 1877 | 1862 | 3027 |
| initial | 0.195 | 0.573 | 0.873 | 69.0 | -246 | 406 | 2271 | 2161 | 2582 |
| SRM | 0.278 | 0.581 | 0.942 | 49.5 | -151 | 148 | 1420 | 1280 | 3381 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41 | 2012-07-09 | SRM 549 | 1 | 381 | 400.62 | -0.23 | -13 | 2493 | 3067 | -41 | 1280 | 3381 |
| 40 | 2012-01-31 | SRM 531 | 1 | 397 | 523.85 | -0.15 | -5 | 2506 | 2674 | -20 | 1321 | 2912 |
| 39 | 2011-09-10 | SRM 517 | 1 | 581 | 562.77 | -0.06 | 1 | 2511 | 2368 | -10 | 1341 | 2576 |
| 38 | 2011-07-02 | SRM 511 | 1 | 393 | 601.44 | 0.61 | 28 | 2510 | 2308 | 75 | 1351 | 2460 |
| 37 | 2011-06-18 | TCO11 Round 1 | 1 | 1311 | 1,021.29 | -0.46 | -16 | 2481 | 2453 | -129 | 1276 | 3045 |
| 36 | 2011-06-08 | SRM 509 | 1 | 560 | 567.01 | 0.02 | 5 | 2497 | 2358 | -15 | 1405 | 2183 |
| 35 | 2011-06-02 | SRM 508 | 1 | 422 | 614.03 | 0.54 | 29 | 2493 | 2352 | 45 | 1420 | 2068 |
| 34 | 2011-05-28 | SRM 507 | 1 | 465 | 575.54 | 0.31 | 20 | 2464 | 2461 | 24 | 1375 | 2324 |
| 33 | 2011-05-17 | SRM 504.5 | 1 | 607 | 594.11 | -0.03 | 2 | 2444 | 2498 | -26 | 1351 | 2406 |
| 32 | 2011-05-14 | TCO11 Qual 1 | 1 | 364 | 762.92 | 1.07 | 57 | 2442 | 2482 | 68 | 1377 | 2238 |
| 31 | 2011-05-11 | SRM 506 | 1 | 353 | 439.42 | 0.32 | 29 | 2385 | 2773 | 24 | 1309 | 2667 |
| 30 | 2010-10-21 | Member SRM 485 | 1 | 470 | 446.76 | -0.25 | -9 | 2357 | 2504 | -75 | 1285 | 2542 |
| 29 | 2010-09-15 | Member SRM 482 | 1 | 431 | 558.69 | 0.37 | 21 | 2366 | 2452 | 25 | 1360 | 2064 |
| 28 | 2010-09-09 | SRM 481 | 1 | 260 | 533.42 | 1.04 | 50 | 2345 | 2535 | 107 | 1335 | 2214 |
| 27 | 2010-08-26 | SRM 480 | 1 | 408 | 411.47 | 0.01 | 4 | 2295 | 2779 | -14 | 1228 | 2914 |
| 26 | 2010-08-04 | Member SRM 478 | 1 | 446 | 489.57 | -0.11 | -3 | 2291 | 2797 | -33 | 1242 | 2805 |
| 25 | 2010-07-28 | SRM 477 | 1 | 482 | 569.96 | 0.24 | 17 | 2295 | 2757 | 14 | 1275 | 2539 |
| 24 | 2010-07-06 | SRM 475 | 1 | 350 | 459.98 | 0.39 | 26 | 2278 | 2830 | 42 | 1261 | 2620 |
| 23 | 2010-06-30 | Member Single Round Match 474 | 1 | 354 | 376.63 | 0.09 | 9 | 2252 | 2927 | -13 | 1219 | 2922 |
| 22 | 2010-06-26 | TCO10 Round 2 | 1 | 657 | 719.08 | 0.13 | 13 | 2243 | 2953 | -4 | 1232 | 2805 |
| 21 | 2010-06-19 | TCO10 Round 1 | 1 | 763 | 1,172.21 | 0.62 | 44 | 2231 | 3048 | 68 | 1236 | 2806 |
| 20 | 2010-06-17 | SRM 473 | 2 | 26 | 144.12 | 2.47 | 66 | 2186 | 3258 | 94 | 1168 | 3380 |
| 19 | 2010-05-24 | TCO10 Qual 3 | 1 | 344 | 560.55 | 0.70 | 44 | 2120 | 3669 | 67 | 1074 | 4142 |
| 18 | 2010-05-12 | TCO10 Qual 2 | 1 | 647 | 750.50 | 0.21 | 20 | 2077 | 3864 | 29 | 1007 | 4700 |
| 17 | 2010-05-04 | SRM 469 | 2 | 113 | 372.06 | 1.72 | 70 | 2057 | 3909 | 89 | 978 | 4914 |
| 16 | 2010-04-20 | Member SRM 468 | 2 | 580 | 300.31 | -0.96 | -32 | 1986 | 4308 | -43 | 889 | 5703 |
| 15 | 2010-04-15 | SRM 467 | 2 | 148 | 254.13 | 0.78 | 50 | 2018 | 4036 | 55 | 932 | 5278 |
| 14 | 2010-04-03 | SRM 466 | 2 | 443 | 335.32 | -0.40 | -13 | 1967 | 4368 | 1 | 877 | 5740 |
| 13 | 2010-03-25 | Member SRM 465 | 2 | 471 | 199.35 | -1.24 | -55 | 1981 | 4214 | -63 | 876 | 5683 |
| 12 | 2010-03-16 | SRM 464 | 2 | 52 | 538.24 | 3.37 | 233 | 2036 | 3867 | 148 | 939 | 5138 |
| 11 | 2009-12-22 | SRM 456 | 2 | 484 | 373.34 | -0.38 | -29 | 1803 | 5708 | -30 | 791 | 6863 |
| 10 | 2009-05-12 | SRM 440 | 2 | 494 | 424.28 | -0.22 | -7 | 1832 | 5517 | -14 | 821 | 8375 |
| 9 | 2008-08-26 | SRM 415 | 2 | 233 | 246.54 | 0.08 | 14 | 1839 | 5407 | 14 | 835 | 9305 |
| 8 | 2008-07-31 | SRM 412 | 2 | 344 | 399.53 | 0.22 | 24 | 1825 | 5500 | 28 | 821 | 9364 |
| 7 | 2008-07-23 | SRM 411 | 2 | 410 | 322.15 | -0.64 | -33 | 1800 | 5710 | -86 | 793 | 9798 |
| 6 | 2008-07-10 | SRM 409 | 2 | 417 | 436.60 | 0.07 | 17 | 1833 | 5366 | 6 | 879 | 8651 |
| 5 | 2008-07-01 | SRM 408 | 2 | 243 | 352.33 | 0.53 | 62 | 1816 | 5479 | 32 | 873 | 8655 |
| 4 | 2008-06-26 | SRM 407 | 2 | 386 | 445.26 | -0.35 | -24 | 1754 | 6112 | -80 | 841 | 9040 |
| 3 | 2008-06-14 | SRM 405 | 2 | 696 | 401.36 | -0.79 | -70 | 1778 | 5773 | -151 | 921 | 8055 |
| 2 | 2008-06-05 | SRM 404 | 2 | 355 | 360.30 | 0.02 | 27 | 1848 | 5018 | -73 | 1072 | 5772 |
| 1 | 2008-05-28 | SRM 403 | 2 | 217 | 375.55 | 0.79 | 261 | 1821 | 5250 | -55 | 1145 | 4462 |