Where a player makes a move and subsequently makes another move which he could have done in just one move instead of two. 1 e4 e5 2.Nf3 Nc6 3.d3 Be7 4.d4
ECHESSPEDIA
Quotes of the Day
Garry has done a lot over the chess board – unbelievable things. He is the greatest world champion in the chess history. The question is what he has done for the federations, what he has done for his own federation.
Georgios Makropoulos 2013
Some players lose ability to think independently and rely on computers completely.
Lajos Portisch 2012
Carlsen is paying far less attention to opening theory than his rivals, he is happy to go down paths that may offer no advantage yet have the benefit of dragging opponents out of their “openings book”. Once beyond the reaches of computer-aided openings, Carlsen starts to turn the screw.
Judith Polgar FT, 2014
I think that ACP is a small clique, which gives power to more cliques.
Nigel Short 2016
I think that the World Champion should try to defend the quality of play more than anyone else!
Boris Spassky