Two larger chess boards: an 9 by 8 board on the floor and an 8 by 10 board in the hand of one of the brawlers.

'Partie d’échecs dégénérant en assassinat' in the book Renaut de Montauban. Manuscript made in Bruges, between 1462-1470. Bibliotheque Nationale de France, Paris. Manuscript, Arsenal ms. 5073 rés. folio 15.

Source: https://thomasguild.blogspot.com/2014/02/faulty-medieval-chess-boards_25.html