es a single 8&nbsp;×&nbsp;8 plane, and these stack to form the full 256&nbsp;×&nbsp;8&nbsp;×&nbsp;8 output of the current layer.</figcaption>
        </figure>

        <p>In the end, the value head returns a number such as 0.99, an almost-certain win, and the policy head returns a set of 73 planes comprising 73&nbsp;×&nbsp;8&nbsp;×&nbsp;8 decimal numbers. Each cell on the 8-by-8 grid represents the starting point of a move, and the plane represents the type of move (see Figure 7); for example, a pawn 