The interference of one black piece by another like moving one on the same line (if the pieces are on different lines, it is a Holzhausen).
ECHESSPEDIA
Quotes of the Day
In one game it is too difficult to play both for win and draw simultaneously.
Mihail Tal 1969
” 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
In the 70s Karpov was a darling of the Politburo or the political elite. So Kramnik is now. Just like the old days. But at least Karpov, unlike him, played in and won qualifying matches.
Veselin Topalov
I thank the Lord for not pairing me with Black against Magnus Carlsen in the first round.
Nigel Short 2017
I’ve got no regrets about the games themselves, as frankly I’ve never been narcissistic about my play.
Alexander Grischuk 2014