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
Sport can make girls feel more stronger, more stable and you can fight in the future when you enter the society. It is a really good quality for a girl and I think sports are a good way to generate your personality which is really important.
Hou Yifan 2016
School is a waste of time for me. I want to be world chess champion, and they can’t teach me anything there.
Robert Fischer 1961
Tal develops all his pieces in the centre and then sacrifices them somewhere.
David Bronstein
I think I would beat Tal pretty easily. Fischer would be more difficult, but I think I could beat him too.
Magnus Carlsen
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