The trading of a minor piece (bishop or knight) for a rook. To sacrifice the exchange is to trade the rook for the minor piece.
ECHESSPEDIA
Quotes of the Day
When you see a good move, look for a better one
Emanuel Lasker
FIDE is now a political organization. And being a political organization, it, of course, means that people in FIDE have some other interests – that is, to sit in their positions for the next hundred years.
Silvio Danailov 2016
Chess is a fairy tale of 1001 blunders.
Savielly Tartakower
I believe that every world champion has a greatness of his own.
Kiril Georgiev 2017
Chess is my hobby. I have been playing chess since five years old. I like to play chess, to help chess, sponsoring chess, and attract my business friends to chess in order to develop and popularize chess. Everybody has a hobby. My hobby is chess, boxing and Buddhism.
Kirsan Ilyumzhinov 2010