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 |
|---|---|---|---|
| mahmoud.osama | 1 | 1800 | 1003 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| SRMFix | -0.013 | 0.013 | 0.013 | 3.3 | -3 | -3 | 1197 | 1197 | 8328 |
| initial | 0.051 | 0.051 | 0.051 | 6.1 | 6 | 6 | 1206 | 1206 | 8479 |
| EloSRM | 0.126 | 0.126 | 0.126 | 68.9 | 69 | 69 | 1800 | 1800 | 8273 |
| SRM | -0.940 | 0.940 | 0.940 | 197.0 | -197 | -197 | 1003 | 1003 | 5873 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2011-10-13 | SRM 521 | 2 | 735 | 801.97 | 0.13 | 69 | 1800 | 8273 | -197 | 1003 | 5873 |