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 |
|---|---|---|---|
| ryan_song | 2 | 1634 | 916 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | 0.025 | 0.042 | 0.049 | 9.6 | -3 | 16 | 1216 | 1213 | 5109 |
| initial | 0.082 | 0.082 | 0.090 | 9.9 | 5 | 14 | 1220 | 1220 | 5148 |
| EloSRM | 0.109 | 0.135 | 0.174 | 60.9 | 15 | 106 | 1634 | 1634 | 4940 |
| Odd | 0.134 | 0.149 | 0.200 | 73.5 | 22 | 125 | 1544 | 1544 | 4981 |
| SRM | -0.728 | 0.728 | 0.742 | 142.0 | -175 | -109 | 1025 | 916 | 4557 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2007-07-12 | SRM 357 | 2 | 340 | 334.10 | -0.02 | 15 | 1634 | 4940 | -109 | 916 | 4557 |
| 1 | 2007-06-20 | SRM 355 | 2 | 346 | 409.81 | 0.24 | 106 | 1619 | 5063 | -175 | 1025 | 3777 |