Appeared for the first time in 1915. A pin in which the Chessman subject to the pin may move along the same line (file, rank or diagonal) which it shares with the attacker.
ECHESSPEDIA
Quotes of the Day
Maybe I had something of Capablanca. Why should I prepare when I have ideas?
Svetozar Gligoric 1989 NIC
Chess is beautiful enough to waste your life for.
Hans Ree
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
Chess can be described as the movement of pieces eating one another.
Marcel Duchamp
My relation with Korchnoi depends on whether he has slept well. If he had bad dreams, he speaks a lot of rubbish.
Anatoly Karpov 2005