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
Every chessmaster was once a beginner.
Irving Chernev
I will be World Champion, if not now I will be World Champion later, but of course better now!
Sergey Karjakin 2016
In one game it is too difficult to play both for win and draw simultaneously.
Mihail Tal 1969
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
Botvinnik, Korchnoi and Kasparov had to hate the opponent to play successfully. I belong to a different type of chess players. I’m like Keres, Spassky and Portisch. On the board we fight, but in life we get along great.
Anatoly Karpov 2015
