Trivia Quiz

How many queens can be placed on a chess board with no two queens being in the line of attack of each other?

Eight (8). This is a well known problem in Computer Science used to teach back tracking.

How many rooks can be placed on a chess board with no two rooks being in the line of attack of each other?

Eight (8). One solution is along the diagnol

How many knights can be placed on a chess board with no two knights being in the line of attack of each other?

32. A knight in a white square can attack only black squares. Hence put 32 knights in white squares.

How many bishops can be placed on a chess board with no two bishops being in the line of attack of each other?

14. Place 7 on each side leaving the bottom row empty.