NIST

n queens

(classic problem)

Definition: Place n chess queens on an n × n board such that no queen can attack another. Efficiently find all possible placements.

See also 8 queens.

Note: A backtracking algorithm may be efficient enough for small values of n.

Author: PEB


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Entry modified 29 June 2021.
HTML page formatted Tue Jun 29 14:16:18 2021.

Cite this as:
Paul E. Black, "n queens", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 29 June 2021. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/nqueens.html