In mathematics, a queen's graph is an undirected graph that represents all legal moves of the queen—a chess piece—on a chessboard. In the graph, each vertex represents a square on a chessboard, and each edge is a legal move the queen can make; that is, a horizontal, vertical or diagonal move by any number of squares.
In mathematics, a queen's graph is an undirected graph that represents all legal moves of the queen—a chess piece—on a chessboard. In the graph, each vertex represents a square on a chessboard, and each edge is a legal move the queen can make; that is, a horizontal, vertical or diagonal move by any number of squares.
Source: Wikipedia "Queen's graph" · CC BY-SA 4.0
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