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
A game of chess has three phases: the opening, where you hope you stand better; the middlegame, where you think you stand better; and the ending, where you know you stand to lose.
Savielly Tartakower
Preparation for a world championship was always an arms race, in previous times with books, then with seconds, today with computers.
Vishy Anand 2008
I think I like chess. That’s the main reason that I’m able to play at a reasonably high level – that I really love chess. Always have and always will (smiles). It’s the best game in the world!
Nigel Short 2016
Kasparov is great as a chess player, but all his attempts to prove himself as an organizer – let’s say, is beyond the champion’s level.
Boris Gelfand 2016
If the 12th game (from the match Carlsen-Karjakin)… were a restaurant dish, I would send it back to the chef.
Nigel Short 2016