A situation when a piece or a pawn cannot or is forbidden to move because it could expose the king for an attack or would expose a more valuable piece behind it to capture.
In the following example Qa3 and Re7 are pinned.
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Quotes of the Day
Karpov Lost, Kasparov Lost, the Only One Who Remained Is Me.
Silvio Danailov 2014
Good players actually use their long-term memory much more than inexperienced players, who use their short-term memory. Good players try to recall patterns.
Magnus Carlsen 2016 2016
What am I doing in this pool of piranhas?
Nigel Short 2017
After the 2nd game I could have returned to Moscow. There was only one way I could have won this match.
Boris Spassky (1974)
Tal develops all his pieces in the centre and then sacrifices them somewhere.
David Bronstein