Basic Calculation Principles
The basic principle behind the Elo ratings is only in its simplest form similar to that of a league, unlike the FIFA tables who effectively run their table as a normal league table, but with weightings to take into account the other factors, the Elo system has its one formula which takes into account the factors mentioned above. There is no first step as in the FIFA system where a team immediately receives points for the result, there is just one calculation in the Elo system.
The ratings are based on the following formulae:
or
Where;
| = The new team rating |
|
| = The old team rating |
|
| = Weight index regarding the tournament of the match |
|
| = A number from the index of goal differences |
|
| = The result of the match |
|
| = The expected result |
|
| = Points Change |
Read more about this topic: World Football Elo Ratings
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