A technique used by computer programmers to cut down the number of possible moves a computer has to evaluate before choosing the best move.
ECHESSPEDIA
Quotes of the Day
As chess players, Kasparov and Karpov have exhausted themselves, the people began to forget them and they are trying to attract attention with their inadequate statements.
Kirsan Ilyumzhinov 2010
I will be World Champion, if not now I will be World Champion later, but of course better now!
Sergey Karjakin 2016
According to my experiences, in key events, normally the games’ quality is not as high as other major events. Most brilliant games are not found in championships at present.
Garry Kasparov 2014
Man has no chance to win against the modern computer. And, by and large, a confrontation between two individuals is more interesting.
Vladimir Kramnik 2015
You can’t look too annoyed or they’ll look for the mistake you’ve made. A lot of the time it’s about looking for these opportunities and if you give them a clue, the good players will find it.
Magnus Carlsen 2016