There is a fiendishly difficult problem that’s a great way to while away a couple of hours on a chess board. Imagine that you have eight queens (and only eight queens – no other pieces), and that each can attack and take any of the others. How would you go about placing them on a […]
Have you ever tried the knight’s tour on a chessboard? Simply place your knight on one of the four corner squares (the easiest place to start) and try to visit each square on the board only once. An interactive board can be found here and it will color the squares you’ve already visited. A perfectly-completed knight tour […]
The Queen’s Gambit Exchange Variation is a highly flexible opening used by GMs of both positional and tactical styles.White is able to control to a large degree the kinds of positions that result. Black often keeps his bishop on e7 and aims for normal development. He is happy that the exchange of pawns has freed […]