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 |
|---|---|---|---|
| zaichenkov | 8 | 1983 | 618 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.105 | 0.332 | 0.485 | 73.6 | -109 | 300 | 1755 | 1755 | 8472 |
| initial | 0.037 | 0.346 | 0.472 | 41.6 | -70 | 131 | 1236 | 1236 | 8345 |
| EloSRM | 0.117 | 0.360 | 0.507 | 90.6 | -125 | 361 | 1983 | 1983 | 8364 |
| SRMFix | 0.093 | 0.367 | 0.499 | 50.2 | -145 | 125 | 1171 | 1171 | 9015 |
| SRM | 0.043 | 0.530 | 0.746 | 142.2 | -745 | 155 | 618 | 618 | 10632 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2015-03-17 | SRM 653 | 2 | 330 | 403.15 | 0.29 | 64 | 1983 | 8364 | 41 | 618 | 10632 |
| 7 | 2014-10-04 | SRM 635 | 2 | 552 | 609.31 | 0.14 | 44 | 1919 | 9727 | 23 | 577 | 12244 |
| 6 | 2014-03-29 | SRM 614 | 2 | 730 | 850.93 | 0.22 | 71 | 1875 | 9448 | 24 | 554 | 11968 |
| 5 | 2011-06-02 | SRM 508 | 2 | 420 | 723.71 | -0.13 | -3 | 1804 | 7669 | 35 | 530 | 10884 |
| 4 | 2011-05-17 | SRM 504.5 | 2 | 454 | 1,083.46 | 1.25 | 361 | 1807 | 7461 | 155 | 495 | 10856 |
| 3 | 2009-11-25 | SRM 453.5 | 2 | 666 | 657.92 | -0.18 | -27 | 1446 | 9908 | -51 | 340 | 9987 |
| 2 | 2009-11-05 | SRM 452 | 2 | 737 | 726.64 | -0.17 | -29 | 1473 | 10009 | -64 | 391 | 10198 |
| 1 | 2009-09-23 | SRM 449 | 2 | 1059 | 747.62 | -0.50 | -125 | 1501 | 9571 | -745 | 455 | 10046 |