Behind the glass is a dark square, like a school blackboard.

Another way of defining Chess480 is that the white king must always be located on a dark square.

"It is a white banner with a dark square in the middle."

Above them one of the dark squares in the shadow moved aside.

The dark square on the floor was nearly the size of a swimming pool.

Each of the fifty dark squares has a number (1 through 50).

It turned, looking out through the dark square of the window.

Black needs every piece that can control the dark squares in the center.

You see the dark square outside, distorted by the lens.

A piece can be moved forward, diagonally, to the very next dark square.