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 |
|---|---|---|---|
| isdref | 2 | 1743 | 837 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.048 | 0.065 | 0.081 | 18.6 | -4 | 34 | 1747 | 1743 | 8423 |
| initial | -0.080 | 0.080 | 0.082 | 9.7 | -12 | -8 | 1192 | 1181 | 8731 |
| Odd | -0.027 | 0.087 | 0.091 | 29.5 | 2 | 57 | 1583 | 1583 | 8501 |
| SRMFix | -0.116 | 0.116 | 0.117 | 24.7 | -32 | -18 | 1168 | 1151 | 8698 |
| SRM | -0.845 | 0.845 | 0.877 | 181.5 | -236 | -127 | 964 | 837 | 7631 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2011-07-02 | SRM 511 | 2 | 917 | 847.41 | -0.11 | -4 | 1743 | 8423 | -127 | 837 | 7631 |
| 1 | 2011-06-08 | SRM 509 | 2 | 771 | 780.09 | 0.02 | 34 | 1747 | 8327 | -236 | 964 | 6057 |