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 |
|---|---|---|---|
| song_yun_long | 2 | 1591 | 769 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.152 | 0.152 | 0.154 | 14.6 | -19 | -11 | 1610 | 1591 | 7750 |
| initial | -0.204 | 0.204 | 0.204 | 24.5 | -25 | -24 | 1176 | 1151 | 8741 |
| SRMFix | -0.216 | 0.216 | 0.219 | 45.6 | -61 | -30 | 1139 | 1109 | 8561 |
| SRM | -0.878 | 0.878 | 0.917 | 215.5 | -278 | -153 | 922 | 769 | 7816 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2009-08-25 | SRM 447 | 2 | 731 | 646.34 | -0.18 | -19 | 1591 | 7750 | -153 | 769 | 7816 |
| 1 | 2009-08-08 | SRM 446 | 2 | 779 | 713.98 | -0.13 | -11 | 1610 | 7467 | -278 | 922 | 5768 |