Queens Rule!

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What is the least number of queens that must be placed on a chess board, so every square on the board is attacked by at least one queen?


The answer is 5.

Andrew The by Andrew The , 25, USA

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2 solutions

Evan Li
Jun 6, 2015

I KNOW YOU DONT ACTUALLY LIVE IN NEW YORK

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How is this a solution?

Andrew The - 6 years ago

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And I do live in New York City

Andrew The - 6 years ago

hello my name is timmy

Evan Li - 6 years ago

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No, that's my name

Andrew The - 6 years ago

I know you don't actually play soccer... or at least, you are not good...

Vir Sikand - 6 years ago
Andrew The
Jun 6, 2015

Note that this is not the only way to place five queens on the board

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All chess players, Here

Siddharth Bhatnagar - 6 years ago

How do you know that it's minimum?

Pi Han Goh - 6 years ago

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Can you do it in a fewer number of queens?

Andrew The - 6 years ago

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No. I don't know how to solve this problem but I'm curious whether it can proven that this is the minimum.

Pi Han Goh - 6 years ago

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