There are four places available in the final of Mastermind for the contestants who win through the semi-final round.One place has already been taken and in tonight's visit to Leeds University the second place will be filled after a keenly fought contest betweenROBERT GLEESON, bookseller, London city churchesMICHAEL GLOVER, author, Sir Robert WilsonDAVID LEES, schoolmaster (retired), Classical mythology RAY WARD, graduate, Librarianship