A chess problem that has stumped mathematicians for more than 150 years has finally been cracked. The n-queens problem ... greedy algorithm" to the problem. They placed a queen at random, blocking ...

The n-queens ... of queens around, stick two new queens in and take one old queen out,” explained Nick Wormald of Monash University. But the lack of symmetry in the classic problem did come back to ...

Simkin proved that for huge chessboards with a large number of queens, there are approximately (0.143n) n ... classic problem did come back to bite the researchers. The random greedy algorithm ...