To interpose a man between the checking piece and the attacking king.
ECHESSPEDIA
Quotes of the Day
He has weaknesses, as everyone does, but far fewer than those around him.
Veselin Topalov 2016
A good sacrifice is one that is not necessarily sound but leaves your opponent dazed and confused.
Rudolf Spielmann
I believe that every world champion has a greatness of his own.
Kiril Georgiev 2017
Chess is beautiful enough to waste your life for.
Hans Ree
We will note the openings used by the participants of a nine-round match. The age of openings is considerably higher than the age of both rivals. Some opening positions could be analyzed by Steinitz when he was preparing to his match with Zukertort.
Mikhail Tal 1966 (Petrosian-Spassky match)