Reasons
The advance of the passed pawn lengthens the range of a rook behind and reduces the range of a rook in front. A rook escorting a pawn from ahead must move off, potentially leaving the pawn undefended, if it is to promote. A rook behind an enemy passed pawn can more readily generate counterplay.
Read more about this topic: Tarrasch Rule
Famous quotes containing the word reasons:
“Given the existence ... of a personal God ... who ... loves us dearly ... it is established beyond all doubt ... that man ... wastes and pines ... for reasons unknown.”
—Samuel Beckett (1906–1989)
“It seems to me that we have to draw the line in sibling rivalry whenever rivalry goes out of bounds into destructive behavior of a physical or verbal kind. The principle needs to be this: Whatever the reasons for your feelings you will have to find civilized solutions.”
—Selma H. Fraiberg (20th century)
“In short, if there were external bodies, it is impossible we should ever come to know it; and if there were not, we might have the very same reasons to think there were that we have now.”
—George Berkeley (1685–1753)