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
I am a totally normal guy. My father is considerably more intelligent than I am.
Magnus Carlsen 2010
It isn’t important what comes off the board, but what stays on!
Yasser Seirawan
” The fact that a player is very short of time is, to my mind, as little to be considered an excuse as, for instance, the statement of the law-breaker that he was drunk at the time he committed the crime.”
Alexander Alekhine
After an upsetting defeat the best psychology for the next game is a placid draw
Dr. Vidmar
When Korchnoi was living in the USSR I called him ‘hero of socialist labour’; when he moved to the West I renamed him ‘hero of capitalist labour’!
Boris Spassky