Saving On Queens

Logic Level 3

What is the fewest number of queens that you need in order to guard a regular 8 × 8 8 \times 8 chessboard?

Clarifications : A queen guards all squares in the same row, column, or diagonal as her. A board is guarded if every space is either occupied by a queen or guarded by a queen.

3 4 5 6 7 8

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Dinesh Nath Goswami by Dinesh Nath Goswami , 20, India

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2 solutions

Julian Yu
Mar 17, 2016

8 Helpful 0 Interesting 0 Brilliant 0 Confused

Why is 5 the minimium?

Calvin Lin Staff - 5 years, 2 months ago

I thinkI have an other solution: a6, b2, e7, f3, g6

CampaignsIlraon . - 5 years ago

Excellent!!!, you r correct

Bhargav Upadhyay - 5 years, 2 months ago

It is 5 as if you try it on a board it will be able to take out your opponent

2 Helpful 0 Interesting 0 Brilliant 0 Confused

Moderator note:

Can you explain in complete detail?

I am sorry i am only 8 so I cant really explan it

Thrishanthkumar Venkatesh - 5 years, 2 months ago

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Keep on trying! It takes time to develop your problem solving and communication skills :)

Calvin Lin Staff - 5 years, 2 months ago

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