PublicShow sourcechess.pl -- SWISH chessboard renderer

Render chessboards. Currently only deals with the N-queens problem. This file is nevertheless called chess.pl because it should be trivial to extend this to more general chess positions.

The styling is a small modification of CSS3 Chess Board

Source term_rendering(+Term, +Vars, +Options)//
Render an N-queens problem. This renderer assumes that the solution is represented by a permutation of a list of integers 1..N, where the I-th integer describes the column of the queen at row I.