Approved by the British Chess Foundation, Stratagem is a revolutionary 2 player game of chess which offers all the excitement, challenges and subtleties of the existing game. Although it takes just minutes to learn, Stratagem takes a lifetime to master. So whether you are someone who has never played chess before, or a grand master, Stratagem is a game you'll enjoy playing for the rest of your life. —description from the publisher The board is circular, with no centre and differs from 'circular chess' by having the baseline as the starting position with 2 fronts. It appears to be a re-implementation of Byzantine Chess, but with only the following changes from normal chess: pawns move forward only, but on two fronts all major pieces are free to move round the board in both directions and across both baselines castling can only be performed with the rook on the same radial as the king —user summary