The difficulties of center board play are not as complex in Chess for Four but, the introduction of a fourth player adds to the suspense of waiting for your next move. Several years ago, while browsing through the new products pages of an old Playboy magazine, I saw a small picture of chess board for four players that looked like the following illustration:
Applying the math, used to design the three player board, to the four player concept, I came up with the following board pattern: