# Minimum number of queens required so that every square grid on chess board is under the attack of a queen?

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Imagine there are infinite number of Queens (Chess Game Piece) with u. Find the minimum number of queens required so that every square grid on the chess board is under the attack of a queen. Arrange this minimum no. of Queens on a chess board.

posted May 20, 2014

## 3 Solutions

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it requires much deep thinking then i was able to come up with two more solution that requires 5 queens & i think that are minimum number of queens we are looking for ...

1st (1,1) (3,4) (3,6) (4,2) (5,5)
2nd (0,0) (1,7) (2,4) (4,0), (7,6)

Queen Needed 5

solution May 23, 2014

Eight queens.

solution Aug 27, 2015

minimum no is 5

solution Oct 3, 2016

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