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
Chess can be described as the movement of pieces eating one another.
Marcel Duchamp
I understood that through chess I could express myself and chess became my natural language.
Boris Spassky 1995
Carlsen is a combination of Karpov and Fischer style.
Garry Kasparov 2017
I still think people can learn at any age – I’m actually sure about that. It’s just that the ceiling is lower for how far you want to go.
Magnus Carlsen 2016
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
