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 |
|---|---|---|---|
| alpc27 | 13 | 2235 | 1176 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.516 | 0.806 | 0.957 | 71.6 | -44 | 158 | 2235 | 2235 | 2778 |
| SRMFix | 0.562 | 0.839 | 1.013 | 69.3 | -62 | 133 | 1718 | 1718 | 2798 |
| initial | 0.476 | 0.840 | 0.998 | 101.2 | -178 | 196 | 1887 | 1887 | 2488 |
| SRM | 0.717 | 1.089 | 1.351 | 71.8 | -204 | 92 | 1176 | 1176 | 3237 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13 | 2010-01-14 | Member SRM 458 | 2 | 485 | ||||||||
| 12 | 2009-12-22 | SRM 456 | 2 | 55 | 153.84 | 1.48 | 79 | 2235 | 2778 | 76 | 1176 | 3237 |
| 11 | 2009-12-17 | Member SRM 455 | 2 | 112 | 243.64 | 1.12 | 84 | 2156 | 3202 | 61 | 1100 | 3806 |
| 10 | 2009-07-08 | SRM 444 | 2 | 381 | 218.42 | -0.80 | -28 | 2073 | 3662 | -19 | 1039 | 4422 |
| 9 | 2009-06-13 | SRM 442 | 2 | 92 | 286.63 | 1.64 | 96 | 2100 | 3457 | 92 | 1058 | 4256 |
| 8 | 2009-05-27 | SRM 441 | 2 | 129 | 350.55 | 1.44 | 102 | 2005 | 4105 | 84 | 966 | 5523 |
| 7 | 2009-05-12 | SRM 440 | 2 | 389 | 371.21 | -0.07 | 9 | 1903 | 4917 | 3 | 882 | 7630 |
| 6 | 2009-03-24 | SRM 437 | 2 | 285 | 445.73 | 0.64 | 92 | 1894 | 5038 | 38 | 879 | 8451 |
| 5 | 2008-10-02 | SRM 420 | 2 | 516 | 330.31 | -0.64 | -44 | 1802 | 5815 | -80 | 841 | 9183 |
| 4 | 2008-08-16 | SRM 414 | 2 | 303 | 395.89 | 0.39 | 56 | 1846 | 5343 | 13 | 921 | 8230 |
| 3 | 2008-08-06 | SRM 413 | 2 | 241 | 492.55 | 1.03 | 158 | 1790 | 5924 | 52 | 908 | 8308 |
| 2 | 2008-07-31 | SRM 412 | 2 | 606 | 519.96 | -0.22 | -24 | 1632 | 7527 | -140 | 856 | 8891 |
| 1 | 2008-07-23 | SRM 411 | 2 | 404 | 458.58 | 0.18 | 89 | 1656 | 7217 | -204 | 996 | 6919 |