Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The football competition at the 1991 European Youth Olympic Days was held from 18 to 20 July. The events took place in Brussels, Belgium. Boys born 1976 or 1977 or later participated in the event. No girls event was held.
Format
Seven teams entered the event, which was played in an uneven format. In the first preliminary round three teams played a round robin format, with two teams proceeding to the semifinals. The other four teams played a pair of straight quarterfinals, with the winners joining the other two teams in the semifinals. The three teams that failed to reach the semifinals played a further round robin series to establish 5th, 6th and 7th places.