This quiz is for fans, Sunday-league players and youth players who want to know the game better. It steers clear of transfers and current league tables and sticks to what does not change: the laws of the game, the dimensions of the pitch and the landmark dates of international competition.
It starts with team size and match length, then moves on to offside, official measurements and the origins of the modern game. Tip: many pitch markings are round numbers in yards, because the laws were first written in England, so thinking in yards often points to the right figure.