A move very calculated which may give up material in order to create a winning chance or a positional advantage. This action could also be used to create some psychological impact like in zeitnot with the idea to destabilise the opponent. Among sacrifices, may be mentioned the positional sacrifice, the mating sacrifice, etc.
ECHESSPEDIA
Quotes of the Day
Fischer wanted to prove that all world championship games after his victory were prearranged. He did not convince me.
Vishy Anand 2008
After losing a game I play the next one better. After losing the 2nd game I play like a lion. After 3 defeats in a row, anyone can beat me!
Eduard Gufeld
Petrosian-Spassky? To think I could have watched an excellent football match instead!
Mikhail Tal 1966
There was a moment at the beginning when the machines were a positive, but lately we’ve being passing to the other extreme. Now it seems that a move isn’t good unless the machine says so.
Veselin Topalov 2016
The game of chess is turning out to be much richer than we knew-you can’t reduce it to the simple rules
Vishy Anand 2017