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 |
|---|---|---|---|
| arpitk | 4 | 1889 | 859 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.127 | 0.730 | 0.969 | 103.9 | -150 | 223 | 1459 | 1316 | 5570 |
| initial | 0.245 | 0.743 | 0.954 | 89.5 | -120 | 193 | 1418 | 1318 | 5508 |
| SRM | -0.218 | 0.747 | 0.860 | 113.2 | -234 | 56 | 1105 | 859 | 6208 |
| EloSRM | 0.119 | 0.753 | 0.969 | 115.1 | -95 | 234 | 1967 | 1889 | 5394 |
| Odd | 0.131 | 0.769 | 0.969 | 116.0 | -86 | 232 | 1827 | 1756 | 5365 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2010-06-05 | SRM 472 | 2 | 447 | 437.70 | -0.03 | 17 | 1889 | 5394 | -12 | 859 | 6208 |
| 3 | 2009-08-25 | SRM 447 | 2 | 771 | 360.07 | -1.24 | -95 | 1872 | 5172 | -234 | 871 | 6684 |
| 2 | 2009-08-08 | SRM 446 | 2 | 214 | 590.98 | 1.47 | 234 | 1967 | 4394 | 56 | 1105 | 3837 |
| 1 | 2009-07-23 | SRM 445 | 2 | 594 | 719.64 | 0.28 | 115 | 1733 | 6362 | -151 | 1049 | 4317 |