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 |
|---|---|---|---|
| Kachal | 5 | 1924 | 995 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | -0.020 | 0.780 | 0.897 | 93.2 | -204 | 84 | 1076 | 995 | 4879 |
| initial | 0.455 | 0.847 | 1.053 | 102.0 | -95 | 213 | 1514 | 1419 | 4608 |
| SRMFix | 0.373 | 0.849 | 1.019 | 109.1 | -99 | 196 | 1507 | 1408 | 4792 |
| EloSRM | 0.383 | 0.850 | 0.977 | 149.4 | -95 | 239 | 2019 | 1924 | 4802 |
| Odd | 0.391 | 0.856 | 0.976 | 142.3 | -79 | 220 | 1890 | 1810 | 4712 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 2009-09-10 | SRM 448 | 2 | 569 | 297.82 | -0.94 | -95 | 1924 | 4802 | -81 | 995 | 4879 |
| 4 | 2008-07-10 | SRM 409 | 2 | 155 | 430.01 | 1.47 | 196 | 2019 | 3672 | 84 | 1076 | 5873 |
| 3 | 2008-06-26 | SRM 407 | 2 | 301 | 551.65 | 0.87 | 239 | 1823 | 5361 | -4 | 992 | 7377 |
| 2 | 2007-10-04 | SRM 369 | 2 | 375 | ||||||||
| 1 | 2007-07-24 | SRM 360 | 2 | 432 | 469.40 | 0.12 | 67 | 1584 | 5472 | -204 | 996 | 4025 |