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 |
|---|---|---|---|
| songquanwang | 2 | 1598 | 772 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.128 | 0.128 | 0.133 | 8.9 | -16 | -2 | 1614 | 1598 | 7605 |
| initial | -0.183 | 0.183 | 0.184 | 22.1 | -24 | -20 | 1180 | 1156 | 8411 |
| SRMFix | -0.199 | 0.199 | 0.200 | 41.6 | -53 | -30 | 1147 | 1117 | 8349 |
| SRM | -0.878 | 0.878 | 0.907 | 214.0 | -270 | -158 | 930 | 772 | 7767 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-08 | SRM 446 | 2 | 807 | 720.74 | -0.16 | -16 | 1598 | 7605 | -158 | 772 | 7767 |
| 1 | 2009-07-08 | SRM 444 | 2 | 721 | 675.95 | -0.09 | -2 | 1614 | 7501 | -270 | 930 | 5740 |