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
There was a moment at the beginning when the machines were a positive, but lately we’ve being passing to the other extreme. Now it seems that a move isn’t good unless the machine says so.
Veselin Topalov 2016
To Put It Mildly, I Have Not a Bit of Respect For Topalov
Vladimir Kramnik 2015
I’ve been playing chess professionally for 35 years! It’s a long time, and when people can still say that they enjoy my chess, that’s great.
Nigel Short 2016
We will note the openings used by the participants of a nine-round match. The age of openings is considerably higher than the age of both rivals. Some opening positions could be analyzed by Steinitz when he was preparing to his match with Zukertort.
Mikhail Tal 1966 (Petrosian-Spassky match)
” Kasparov was like Samson, but his hair has been shorn (2000).”
Nathan Divinsky
