I'm stealing this idea directly from the American forum
Here's an example:Person 1 predicts that Canada will beat USA 150 - 120.Person 2 predicts that Canada will beat USA 104 - 74.Person 3 predicts that USA will beat Canada 96 - 82.Person 4 predicts that Canada will beat USA 85 - 84.- The final score of this game turns out to be Canada 192 and USA 71.- The final point differential is Canada at +121.