For weekly competition, you get
Tie breakers are determined by goals +- accuracy
For each incorrect number of goals you predict per team, you lose the difference in goals
e.g. you predict 3 and the team scores 2, you get -1 goals
For each correct teams number of goals you score, you receive a positive goal difference based on the following scale:
You predict 0 or 1 goals and the team scores 0 or 1, you receive +1 goal difference
You predict 2 goals or more and the team scores that number, you receive double the number of goals predicted, ie. you predict 3 and the team scores 3, you get +6 goal difference