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
I understood that through chess I could express myself and chess became my natural language.
Boris Spassky 1995
Sport can make girls feel more stronger, more stable and you can fight in the future when you enter the society. It is a really good quality for a girl and I think sports are a good way to generate your personality which is really important.
Hou Yifan 2016
Carlsen will sooner or later become World Champion. I like him, he is a Monty Python fan, just like me.
Vishy Anand 2008
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
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