Smallest Number Of Queens

Another presentation byDomenic Acitelli

Instructions

In this challenge you must place the smallest number of queens on a 3x3 chess board, 4x4 chess board, 5x5 chess board and on a 6x6 chess board so that all the squares on the board occupied by the queen.

3 x 3 Chess Board

. A 3 x 3 chess board only has one very simple solution, using only one queen.

4x4 Chess Board

On a 4x4 chess board you only need two Queens.

5x5 Chess Board

On a 5x5 one I used three queens that occupied all the squares.

6x6

On a 6x6 chess board there is only one solution using four queens.