Eight queens puzzle

More general n-queens problem is the problem of placing n chess queens on an n×n chessboard, so that no two queens threaten each other. The problem is popular with N=8 with the name "Eight queens puzzle".
Here are 3 simple implementation on Javascript, for fun.
I worked on this for the "Artificial Intelligence" class of Professor Michail G. Lagoudakis.


Chessboard size ×
Queens Number
First Queen on ×
Search method


Programmers :