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 |
|---|---|---|---|
| ckeo21 | 4 | 1891 | 866 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.405 | 0.560 | 0.646 | 98.3 | -58 | 166 | 1751 | 1751 | 5361 |
| EloSRM | 0.393 | 0.567 | 0.649 | 103.7 | -78 | 169 | 1891 | 1891 | 5277 |
| initial | 0.362 | 0.571 | 0.670 | 68.8 | -50 | 110 | 1374 | 1374 | 5035 |
| SRMFix | 0.377 | 0.606 | 0.695 | 87.3 | -107 | 122 | 1335 | 1335 | 5462 |
| SRM | 0.036 | 0.775 | 0.848 | 146.5 | -396 | 67 | 866 | 866 | 6396 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-02-17 | SRM 462 | 2 | 225 | 388.77 | 0.79 | 104 | 1891 | 5277 | 59 | 866 | 6396 |
| 3 | 2010-01-04 | SRM 457 | 2 | 251 | 485.95 | 0.95 | 169 | 1787 | 5856 | 67 | 807 | 6743 |
| 2 | 2009-12-22 | SRM 456 | 2 | 499 | 564.47 | 0.18 | 63 | 1618 | 7266 | -64 | 740 | 7403 |
| 1 | 2009-11-05 | SRM 452 | 2 | 737 | 642.33 | -0.35 | -78 | 1554 | 8379 | -396 | 804 | 7448 |