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 |
|---|---|---|---|
| Sky_ | 6 | 2171 | 1002 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.510 | 0.651 | 0.907 | 96.7 | -26 | 336 | 1674 | 1674 | 3032 |
| EloSRM | 0.518 | 0.688 | 0.930 | 108.0 | -32 | 435 | 2171 | 2171 | 3096 |
| Odd | 0.529 | 0.692 | 0.942 | 110.3 | -32 | 450 | 2042 | 2042 | 3086 |
| initial | 0.714 | 0.767 | 1.032 | 92.4 | -19 | 208 | 1716 | 1716 | 2978 |
| SRM | 0.596 | 0.848 | 1.030 | 125.0 | -297 | 123 | 1323 | 1002 | 4781 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 2009-09-23 | SRM 449 | 2 | 162 | 239.49 | 0.56 | 52 | 2171 | 3096 | 91 | 1002 | 4781 |
| 5 | 2009-08-08 | SRM 446 | 1 | 686 | 586.60 | -0.23 | -32 | 2119 | 3340 | -297 | 911 | 5970 |
| 4 | 2009-07-23 | SRM 445 | 2 | 118 | 291.08 | 1.30 | 118 | 2151 | 3162 | 62 | 1208 | 3046 |
| 3 | 2009-06-13 | SRM 442 | 2 | 305 | 260.13 | -0.23 | -3 | 2033 | 3910 | -24 | 1146 | 3521 |
| 2 | 2009-05-27 | SRM 441 | 1 | 439 | 475.60 | -0.05 | -7 | 2036 | 3893 | -153 | 1170 | 3372 |
| 1 | 2009-05-12 | SRM 440 | 2 | 195 | 656.89 | 1.75 | 435 | 2044 | 3827 | 123 | 1323 | 2398 |