As you may know, chess is an ancient game for which almost everyone has at least a basic understanding of the rules. Chess is a two-player strategy game played on a checkered game board laid out in eight rows (called ranks and denoted with numbers 1 to 8) and eight columns (called files and denoted with letters a to h) of squares. Each square of the chessboard is identified by a unique coordinate pair — a letter and a number (ex, "a1", "h8", "d6").

For this mission let's look at rooks, a dangerous shock unit which can be used for a swift thrust or for a dense defence. The rook moves horizontally or vertically, through any number of unoccupied squares, but may not leap over other pieces. As with capturing using any other unit, the rook captures by occupying the square on which the target enemy piece sits.

For this mission you have one berserk rook facing off against an army of enemy rooks. The berserk rook can only move if it...