Term given to the Bishop sacrifice on h7 (unmoved) without Knight on f6 or e8. First shown by Polerio in the 16th century.
ECHESSPEDIA
Quotes of the Day
Preparation for a world championship was always an arms race, in previous times with books, then with seconds, today with computers.
Vishy Anand 2008
After losing a game I play the next one better. After losing the 2nd game I play like a lion. After 3 defeats in a row, anyone can beat me!
Eduard Gufeld
Chess is a scientific game and its literature ought to be placed on the basis of the strictest truthfulness, which is the foundation of all scientific research.
W. Steinitz
I think that ACP is a small clique, which gives power to more cliques.
Nigel Short 2016
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