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 |
|---|---|---|---|
| ivanovalexalex | 15 | 2542 | 1278 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.444 | 0.601 | 0.982 | 60.5 | -38 | 339 | 1974 | 1936 | 1874 |
| EloSRM | 0.419 | 0.624 | 0.979 | 78.4 | -40 | 255 | 2587 | 2542 | 1641 |
| Odd | 0.425 | 0.628 | 0.985 | 76.0 | -39 | 249 | 2425 | 2378 | 1659 |
| SRM | 0.366 | 0.641 | 1.025 | 68.0 | -171 | 154 | 1466 | 1278 | 2524 |
| initial | 0.536 | 0.655 | 1.066 | 78.8 | -73 | 433 | 2240 | 2167 | 1892 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 2010-07-28 | SRM 477 | 1 | 666 | 396.75 | -0.75 | -40 | 2542 | 1641 | -171 | 1278 | 2524 |
| 14 | 2010-07-17 | SRM 476 | 1 | 450 | 433.54 | -0.05 | 3 | 2582 | 1477 | 2 | 1449 | 1641 |
| 13 | 2010-07-06 | SRM 475 | 1 | 362 | 318.08 | -0.19 | -8 | 2579 | 1479 | -19 | 1447 | 1639 |
| 12 | 2010-06-05 | SRM 472 | 1 | 372 | 416.29 | 0.16 | 26 | 2587 | 1400 | 27 | 1466 | 1544 |
| 11 | 2010-03-16 | SRM 464 | 1 | 310 | 440.78 | 0.51 | 55 | 2561 | 1332 | 71 | 1439 | 1520 |
| 10 | 2010-02-13 | Member SRM 461 | 1 | 420 | 435.21 | 0.05 | 15 | 2506 | 1647 | 21 | 1368 | 1989 |
| 9 | 2010-02-06 | SRM 460 | 1 | 427 | 408.80 | -0.36 | -31 | 2491 | 1699 | -72 | 1347 | 2082 |
| 8 | 2009-12-17 | Member SRM 455 | 1 | 215 | 411.34 | 0.94 | 141 | 2522 | 1523 | 108 | 1419 | 1706 |
| 7 | 2009-08-08 | SRM 446 | 1 | 353 | 529.20 | 0.58 | 98 | 2381 | 2018 | 90 | 1311 | 2282 |
| 6 | 2009-07-23 | SRM 445 | 2 | 93 | 170.99 | 0.88 | 94 | 2283 | 2474 | 66 | 1221 | 2936 |
| 5 | 2008-11-22 | SRM 426 | 1 | 531 | 516.11 | -0.18 | -23 | 2189 | 2814 | -94 | 1155 | 4332 |
| 4 | 2008-11-12 | SRM 425 | 1 | 479 | 570.64 | 0.25 | 63 | 2212 | 2691 | 10 | 1249 | 3126 |
| 3 | 2008-08-16 | SRM 414 | 2 | 33 | 312.95 | 3.24 | 255 | 2148 | 2976 | 154 | 1239 | 3366 |
| 2 | 2008-08-06 | SRM 413 | 2 | 248 | 399.22 | 0.69 | 135 | 1894 | 4813 | -6 | 1085 | 5804 |
| 1 | 2008-07-31 | SRM 412 | 2 | 409 | 588.09 | 0.52 | 190 | 1759 | 6209 | -109 | 1091 | 5724 |