public static double CalculateExpetedValue(IEloRateable rateable1, IEloRateable rateable2, int constant = 400)
 {
     return (1 / (1 + Math.Pow(10, ((rateable2.EloRatingNumber - rateable1.EloRatingNumber) / constant))));
 }
 public static double CalculateExpetedValue(IEloRateable rateable1, IEloRateable rateable2, int constant = 400)
 {
     return(1 / (1 + Math.Pow(10, ((rateable2.EloRatingNumber - rateable1.EloRatingNumber) / constant))));
 }