A three-move problem mechanism invented in a composer tournament held in Bristol in 1861 by Frank Healey (1828-1906).
A clearance move by a piece along a line and over a certain square, played so that a second piece may move in the same direction along the same line and occupy that square. The first piece is not used for the mate.
ECHESSPEDIA
Quotes of the Day
Thank the stars that I have been banned by FIDE so it is very clear I have nothing to do with this mess…
Garry Kasparov 2015
When you see a good move, look for a better one
Emanuel Lasker
Chess needs Kasparov, he’s very important for chess, he’s a very important figure who can open a lot of doors for chess. And for Kirsan, of course, it was a joke.
Silvio Danailov 2013
Danailov, in his campaign, used the motto – “I know.” One or two months later he said “I am learning.” Three years after, we know that he cannot learn. He gave so many promises, he has done absolutely nothing.
Georgios Makropoulos 2013
Chess should not become an obsession. Otherwise there’s a danger that you will slide off into a parallel world, that you lose your sense of reality, get lost in the infinite cosmos of the game. You become crazy.
Magnus Carlsen 2010
