It's match-play, so 1 point up for grabs in each match, 28 points in total. 14 1/2 wins it outright, a draw and the "holder" keeps the cup.
There are 3 types of match, Fourballs, Foursomes and singles.
Day 1 has 4 foursomes in the morning, then 4 fourballs in the afternoon. The same format on...