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 |
|---|---|---|---|
| riverplus | 1 | 2450 | 1645 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRM | 4.362 | 4.362 | 4.362 | 445.0 | 445 | 445 | 1645 | 1645 | 992 |
| SRMFix | 5.242 | 5.242 | 5.242 | 789.8 | 790 | 790 | 1990 | 1990 | 1596 |
| initial | 5.310 | 5.310 | 5.310 | 639.4 | 639 | 639 | 1839 | 1839 | 2690 |
| EloSRM | 5.377 | 5.377 | 5.377 | 802.9 | 803 | 803 | 2450 | 2450 | 1887 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2010-02-13 | Member SRM 461 | 2 | 18 | 748.03 | 5.38 | 803 | 2450 | 1887 | 445 | 1645 | 992 |