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
” Kasparov was like Samson, but his hair has been shorn (2000).”
Nathan Divinsky
” Oh, those exclamation points! How they erode the innocent soul of the amateur, removing all hope of allowing him to examine another player’s ideas critically!”
Tigran Petrosian
Unfortunately this gentlemanlike behaviour among chessplayers is out of fashion. It’s my principle that you should respect your opponent as much as you respect yourself.
Lajos Portisch 1990
I may be an old lion, but I can still bite someone’s hand off if he puts it in my mouth
Wilhelm Steinitz
It’s always better to sacrifice your opponent’s men
Savielly Tartakower