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
I’ve got no regrets about the games themselves, as frankly I’ve never been narcissistic about my play.
Alexander Grischuk 2014
Kasparov is great as a chess player, but all his attempts to prove himself as an organizer – let’s say, is beyond the champion’s level.
Boris Gelfand 2016
Despite the ugliness of his decline, Bobby Fischer deserves to be remembered for the great things he did for chess and for his immortal games.
Garry Kasparov 2004
I will be World Champion, if not now I will be World Champion later, but of course better now!
Sergey Karjakin 2016
” The essence of chess is thinking about what chess is.”
David Bronstein
