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 |
|---|---|---|---|
| piotrb | 8 | 1689 | 745 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | 0.088 | 0.479 | 0.631 | 63.2 | -80 | 144 | 1810 | 1689 | 6898 |
| Odd | 0.055 | 0.505 | 0.643 | 62.8 | -68 | 139 | 1736 | 1616 | 6495 |
| initial | 0.059 | 0.552 | 0.703 | 66.5 | -114 | 177 | 1484 | 1257 | 6710 |
| SRMFix | 0.037 | 0.576 | 0.708 | 61.4 | -78 | 150 | 1456 | 1284 | 6438 |
| SRM | -0.102 | 0.680 | 0.786 | 87.1 | -201 | 85 | 1061 | 745 | 10510 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 2008-07-23 | SRM 411 | 2 | 596 | 336.93 | -0.85 | -80 | 1689 | 6898 | -185 | 745 | 10510 |
| 7 | 2008-06-17 | SRM 406 | 2 | 324 | 309.18 | -0.07 | 9 | 1769 | 5896 | -35 | 930 | 7966 |
| 6 | 2007-03-28 | SRM 344 | 2 | 357 | 331.84 | -0.64 | -50 | 1760 | 3713 | -96 | 965 | 4090 |
| 5 | 2006-06-08 | SRM 306 | 2 | 112 | 138.68 | 0.31 | 42 | 1810 | 2764 | 35 | 1061 | 3081 |
| 4 | 2006-05-18 | SRM 303 | 2 | 92 | 231.78 | 1.33 | 144 | 1768 | 2890 | 85 | 1026 | 3313 |
| 3 | 2006-04-11 | SRM 298 | 2 | 208 | 262.39 | 0.34 | 66 | 1624 | 3539 | 1 | 941 | 3715 |
| 2 | 2006-02-21 | SRM 291 | 2 | 266 | 312.71 | 0.23 | 66 | 1558 | 3496 | -59 | 940 | 3298 |
| 1 | 2006-02-14 | SRM 289 | 2 | 223 | 231.87 | 0.06 | 47 | 1491 | 3827 | -201 | 999 | 2913 |