Input odds below (in decimal): Home Odds: Draw Odds: Away odds: Calculate Params Elo Elo is simply a way of rating teams. The ratings can be used to compare teams and generate probabilities for head to heads. The probability one team will beat another is just a function of the difference in their rating. p = 1/(1+10^(-diff/400)) The tweet further below from ClubElo introduces another parameter r to take account of draws. Elo: The Hard Way The process is better described on eloratings.net and clubelo.com . If you visit these sites you can see it is quite complex. Basically you initialise all teams to 1000 points for example. Then you need a history of results and update each teams ratings depending if they win, lose or draw. There are nuances to worry about, home field advantage, big wins, inter-league adjustments, k-factor weightings, etc. Elo: The Easy Way Say someone has already rated the teams, and also they have tak...
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