Write an object called chess that signifies a game between two opponents or teams. Add the following properties to chess, and assign any value to each property:

1. winner - An object with properties name and score

2. loser - An object with properties name and score

Add the following methods to chess:

1. getMarginOfVictory() - Returns the difference between the winner's score and the loser's score

2. showSummary() - Outputs to the console the winner's name and score and the loser's name and score