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 |
|---|---|---|---|
| Kathycat | 5 | 1658 | 725 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.002 | 0.205 | 0.256 | 24.7 | -52 | 33 | 1233 | 1201 | 7593 |
| EloSRM | -0.008 | 0.220 | 0.273 | 44.1 | -57 | 106 | 1665 | 1658 | 7256 |
| Odd | -0.013 | 0.226 | 0.272 | 43.8 | -47 | 115 | 1544 | 1544 | 7202 |
| SRMFix | -0.052 | 0.232 | 0.302 | 35.8 | -78 | 64 | 1264 | 1193 | 7450 |
| SRM | -0.272 | 0.313 | 0.458 | 106.6 | -267 | 29 | 1229 | 725 | 9524 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-05-12 | SRM 440 | 2 | 645 | 611.72 | -0.08 | 5 | 1658 | 7256 | -41 | 725 | 9524 |
| 4 | 2008-08-06 | SRM 413 | 2 | 433 | 511.20 | 0.24 | 49 | 1654 | 7382 | -14 | 766 | 10245 |
| 3 | 2008-07-01 | SRM 408 | 2 | 575 | 413.94 | -0.47 | -57 | 1605 | 7641 | -182 | 780 | 9972 |
| 2 | 2008-06-05 | SRM 404 | 1 | 601 | 608.63 | -0.02 | -4 | 1661 | 6910 | -267 | 962 | 7235 |
| 1 | 2008-05-24 | College Tour Beijing | 1 | 431 | 527.71 | 0.29 | 106 | 1665 | 6635 | 29 | 1229 | 3259 |