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
According to my experiences, in key events, normally the games’ quality is not as high as other major events. Most brilliant games are not found in championships at present.
Garry Kasparov 2014
The blunders are all there on the board, waiting to be made.
Savielly Tartakower
Carlsen will sooner or later become World Champion. I like him, he is a Monty Python fan, just like me.
Vishy Anand 2008
It isn’t important what comes off the board, but what stays on!
Yasser Seirawan
When I saw MVL’s position, it is like a football match where you’re 3:0 down, with two minutes to go and you’re down to 10 men!
Lev Aronian 2016