public void TestUpdateRating(int playerRating, int opponentRating, Result result, int expectedNewPlayerRating)
{
var calculator = new EloCalculator(32);
var newRatingHolder = calculator.UpdateRating(new RatingHolder(0, playerRating), new RatingHolder(1, opponentRating), result);
Assert.AreEqual(newRatingHolder.Rating, expectedNewPlayerRating);
}