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
Fischer was the first to send me a telegram when I was in Amsterdam after I had defected, saying ‘Congratulations on the correct move’.
Vikor Kortchnoi 1986 NIC
The competition in the men’s tournament has grown massively over the past 20 years. Chess is becoming more and more popular, and there are no weak teams in the tournament any longer.
Andrey Filatov
I don’t believe that Garry likes making decisions by democratic procedures. When there is a decision that he doesn’t like, he just turns against this organization.
Georgios Makropoulos 2013
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
Chess is a foolish expedient for making idle people believe they are doing something very clever, when their are only wasting their time.
Bernard Shaw