A very bad move or mistake. A typical excuse for a game one has lost is “He didn’t outplay. I simply blundered”. Such excuses are not considered good form. Mason said: the root of brilliancy is blunder.
In the following game R. Fisher played 29..Bh2??
ECHESSPEDIA
Quotes of the Day
Chess is respected in culture and education, but our organization is far behind. FIDE must lead, not drag chess down.
Garry Kasparov 2014
When I am White I win because I am White. When I am Black I win because I am Bogoljubov.
Efim Bogoljubov
Ten years ago I said that 2010 would be the end, chess would be exhausted. But it is not true, chess will not die so quickly.
Vishy Anand 2008
We must finish once and for all with the neutrality of chess. We must condemn once and for all the formula “chess for the sake of chess”, like the formula “art for art’s sake”. We must organize shock brigades of chess-players, and begin immediate realization of a Five-Year Plan for chess.
Nikolai Vasilyevich Krylenko
As a rule, pawn endings have a forced character, and they can be worked out conclusively.
Mark Dvoretsky