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 |
|---|---|---|---|
| cwxiaobai | 4 | 2224 | 968 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| Odd | 0.796 | 1.434 | 1.689 | 182.3 | -90 | 380 | 2039 | 2039 | 4234 |
| initial | 0.823 | 1.454 | 1.697 | 175.0 | -126 | 283 | 1596 | 1596 | 4205 |
| EloSRM | 0.779 | 1.463 | 1.706 | 198.9 | -97 | 390 | 2224 | 2224 | 4068 |
| SRMFix | 0.782 | 1.493 | 1.715 | 185.6 | -144 | 322 | 1526 | 1526 | 4739 |
| SRM | 0.480 | 1.626 | 1.702 | 198.0 | -295 | 146 | 1051 | 968 | 6138 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2011-08-09 | SRM 514 | 2 | 98 | 413.40 | 2.08 | 291 | 2224 | 4068 | 134 | 968 | 6138 |
| 3 | 2010-06-05 | SRM 472 | 2 | 740 | 340.24 | -1.23 | -97 | 1933 | 5042 | -217 | 834 | 6425 |
| 2 | 2010-05-20 | SRM 470 | 2 | 136 | 721.75 | 2.41 | 390 | 2030 | 4194 | 146 | 1051 | 4258 |
| 1 | 2010-05-04 | SRM 469 | 2 | 773 | 703.73 | -0.14 | -18 | 1640 | 7357 | -295 | 905 | 5677 |