# 8 Queens Puzzle

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Executable Program File

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Product Description
Try to place 8 queens on a chessboard so that no two queens attack each other! Basically, no two pieces can share a row, column or diagonal. It's harder than it sounds. This makes a great bell ringer challenge! Students will get competitive trying to find their own unique solution. Great extra curricular fun tied to problem solving, logic, chess, etc.

**Watch the preview screen-capture video of the program in use**.

FEATURES
->easy to use (drag and drop), and fun to play
->save your solutions (erased if program is closed)
->Hint feature built in

This puzzle was first published in 1848, and has since attracted mathematicians and computer programmers alike. I first tried to solve it when I was in grade 5 with a few of my friends. We felt like geeks, having technical discussions about whether a solution was still unique if it was shown to be a reflection or rotation of another solution. Having grown up, I revisited this problem in university via computer programming. Finally I have laid to rest my childhood dilemma... "How many solutions are there??"

"The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens attack each other. Thus, a solution requires that no two queens share the same row, column, or diagonal." (http://en.wikipedia.org/wiki/Eight_queens_puzzle)
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