Skewered

In chess, a skewer (or thrust) is an attack upon two pieces in a line and is similar to a pin. In fact, a skewer is sometimes described as a "reverse pin"; the difference is that in a skewer, the more valuable piece is in front of the piece of lesser or equal value. The opponent is compelled to move the more valuable piece to avoid its capture, thereby exposing the less valuable piece which can then be captured. The long-range pieces (queen, rook, and bishop) can skewer. http://en.wikipedia.org/wiki/Skewer_(chess)