Here is a link to a chess-type board in a garden in France shown in Google Street View.
https://www.google.co.uk/maps/@47.1030089,0.3209105,3a,75y,24.39h,75.31t/data=!3m6!1e1!3m4!1sb0b73sCdjBaGofBYjXOy8Q!2e0!7i13312!8i6656 One can move around the board within Google Street View. How could we encode that? :-) I know that in reality that we probably would not, but it is an interesting thought experiment? Just for encoding fun! William Overington Thursday 6 April 2017