public void WhenPlayingBestOfOneTheTotalChanceShouldAlwaysBeOne()
{
decimal eloPlayerOne = 1600;
decimal eloPlayerTwo = 1200;
var r1 = GeneralEloCalculator.CalculateExpectationForResult(eloPlayerOne, eloPlayerTwo, 1, 0);
var r2 = GeneralEloCalculator.CalculateExpectationForResult(eloPlayerOne, eloPlayerTwo, 0, 1);
(r1 + r2).Should().BeApproximately(1, 0.001m);
}
public void WhenPlayingABestOfThreeAndAllSetsArePlayedTheTotalChanceShouldAlwaysBeOne()
{
var r1 = GeneralEloCalculator.ChanceOfHavingThisResultAllSetsPlayed(3, 0, 0.8m);
var r2 = GeneralEloCalculator.ChanceOfHavingThisResultAllSetsPlayed(2, 1, 0.8m);
var r3 = GeneralEloCalculator.ChanceOfHavingThisResultAllSetsPlayed(1, 2, 0.8m);
var r4 = GeneralEloCalculator.ChanceOfHavingThisResultAllSetsPlayed(0, 3, 0.8m);
(r1 + r2 + r3 + r4).Should().BeApproximately(1, 0.001m);
}
public void WhenPlayingBestOfThree(int score1, int score2, decimal chanceWinningSet, decimal expectedChanceWinningGame)
{
var actualChanceWinningGame = GeneralEloCalculator.ChanceOfHavingThisResultAllSetsPlayed(score1, score2, chanceWinningSet);
actualChanceWinningGame.Should().BeApproximately(expectedChanceWinningGame, 0.001m);
}
public void CalculateExpectationTests(decimal eloPlayerOne, decimal eloPlayerTwo, int numberOfGames, decimal expected)
{
var actual = GeneralEloCalculator.CalculateExpectationForBestOf(eloPlayerOne, eloPlayerTwo, numberOfGames);
actual.Should().BeApproximately(expected, 0.001m);
}
