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 |
|---|---|---|---|
| kgw0507 | 7 | 2703 | 1610 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 0.632 | 0.862 | 1.530 | 104.3 | -149 | 399 | 1770 | 1610 | 1084 |
| SRMFix | 0.874 | 1.070 | 1.905 | 152.5 | -58 | 757 | 2208 | 2149 | 1017 |
| Odd | 0.830 | 1.076 | 1.966 | 169.9 | -44 | 874 | 2594 | 2550 | 885 |
| EloSRM | 0.826 | 1.077 | 1.953 | 171.1 | -44 | 857 | 2747 | 2703 | 879 |
| initial | 1.281 | 1.395 | 2.034 | 168.0 | -48 | 597 | 2328 | 2280 | 1450 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 2009-05-12 | SRM 440 | 1 | 408 | 309.98 | -0.75 | -44 | 2703 | 879 | -149 | 1610 | 1084 |
| 6 | 2009-03-24 | SRM 437 | 1 | 319 | 294.30 | -0.13 | 0 | 2746 | 754 | -11 | 1759 | 754 |
| 5 | 2009-03-14 | TCO09 Round 2 | 1 | 347 | 444.00 | 0.36 | 52 | 2747 | 758 | 60 | 1770 | 749 |
| 4 | 2009-03-07 | TCO09 Round 1 | 1 | 547 | 677.30 | 0.31 | 51 | 2695 | 881 | 40 | 1710 | 870 |
| 3 | 2009-02-24 | TCO09 Qual 1 | 1 | 265 | 376.69 | 0.51 | 83 | 2644 | 973 | 45 | 1670 | 931 |
| 2 | 2009-02-07 | SRM 434 | 1 | 307 | 417.48 | 0.44 | 112 | 2561 | 1276 | 26 | 1625 | 1078 |
| 1 | 2009-01-21 | SRM 433 | 2 | 18 | 594.30 | 5.04 | 857 | 2450 | 1714 | 399 | 1599 | 1156 |