Round robin

Army 1 Army 2 Navy 1 Navy 2 RAF 1
Army 1   0 0 1 0
Army 2 1   1 0 0
Navy 1 1 0   1 1
Navy 2 0 1 0   0
RAF 1 1 1 0 1  
In a multiple round robbin, teams that have sailed each other more than once will be displayed as Total Points# Matches