N Queens Puzzle Solved !

Chef, being a Chess fan, was thrilled after he read the following news: [Michael Simkin, a postdoctoral fellow at Harvard University’s Center of Mathematical Sciences and Applications proved that for a large value of $N$, there are approximately $(0.143 \cdot N)^N$ configurations in which $N$ queens can be placed on a $N \times N$ chessboard so that none attack each other.](https://www.quantamaga