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
Whatever opinions people might have about Ilyumzhinov, I am sure that exactly those accusations by the US authorities are far-fetched. It looks more like a revenge for the 2014 FIDE elections which Kasparov lost to Ilyumzhinov by a wide margin.
Vladimir Kramnik 2016
I can’t tell the difference between 100 zillion positions and 497 zillion positions, but if it helped Deep Blue play stronger, so be it. I was looking forward to Deep Blue boldly going where no man had gone before. 1997″
Vishy Anand
“Chess is the struggle against the error.”
Johannes Zukertort
Politics is a team game, here it is necessary to compromise, to take into account the views of other people. As for Garry, he is quite a contentious, totalitarian person. But in general, I’m sorry that Kasparov switched to a role that does not match the scale of his personality.
Vladimir Kramnik 2015
I am fighting for the future of chess, for the integrity of the game I love. Only when it’s clean it can grow.
Garry Kasparov 2014
