Have you ever wondered whether attending your favourite team's games is what is encouraging their latest run of bad luck? Well, luckily for you, there is now somewhere for you to go to test this theory. The xJ (expected jinx) calculator has been created by Opta and they have teamed up with Xbox and also current 'King of the Jungle' Angry Ginge to promote it. Let's kick things off with the trailer below. Here's some more information on the initiative from Xbox and Opta "Xbox has teamed up with leading sports data analysts Opta to develop the first ever fan-based football statistic that puts science behind superstition: introducing xJ (expected jinx).

Think you’re bad luck for your team? Opta’s Expected Jinx (xJ) uses match data to test whether fan superstition holds up.