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
I have often written that Karpov is like an iceberg. Well, Kasparov was the Titanic.
Alexander Roshal
Carlsen is a combination of Karpov and Fischer style.
Garry Kasparov 2017
Carlsen simply plays chess well. It seems to me that in such cases people are inclined to look for some supernatural explanation, although the simplest explanation is also the most appropriate: the guy simply plays chess well.
Alexander Grischuk 2014
The competition in the men’s tournament has grown massively over the past 20 years. Chess is becoming more and more popular, and there are no weak teams in the tournament any longer.
Andrey Filatov
I think that ACP is a small clique, which gives power to more cliques.
Nigel Short 2016