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 |
|---|---|---|---|
| Muhammad_Attia | 2 | 1819 | 639 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| EloSRM | -0.263 | 0.263 | 0.338 | 45.2 | -84 | -6 | 1903 | 1819 | 8345 |
| initial | -0.304 | 0.304 | 0.391 | 36.6 | -66 | -7 | 1193 | 1127 | 8802 |
| SRMFix | -0.318 | 0.318 | 0.404 | 54.8 | -93 | -17 | 1183 | 1090 | 8347 |
| SRM | -0.674 | 0.674 | 0.693 | 280.5 | -281 | -280 | 919 | 639 | 8441 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2015-08-25 | SRM 666 | 2 | 381 | 286.22 | -0.48 | -84 | 1819 | 8345 | -280 | 639 | 8441 |
| 1 | 2015-04-25 | 2015 TCO 1B | 1 | 592 | 719.88 | -0.05 | -6 | 1903 | 8689 | -281 | 919 | 6725 |