A theme in problems where four black interferences are included by four possible moves of two black pawns. The two pawns, by the very conditions, must stand on their original squares (BCM 55/245).
ECHESSPEDIA
Quotes of the Day
I think I am certainly more talented than many other people. But I don’t know what talent consists of.
Magnus Carlsen 2014
Kasparov is great as a chess player, but all his attempts to prove himself as an organizer – let’s say, is beyond the champion’s level.
Boris Gelfand 2016
If the 12th game (from the match Carlsen-Karjakin)… were a restaurant dish, I would send it back to the chef.
Nigel Short 2016
I can’t tell the difference between 100 zillion positions and 497 zillion positions, but if it helped Deep Blue play stronger, so be it. I was looking forward to Deep Blue boldly going where no man had gone before. 1997″
Vishy Anand
” 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