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
Karpov Lost, Kasparov Lost, the Only One Who Remained Is Me …
Kirsan Ilyumzhinov 2014
” (about Lasker) For me, this personality, notwithstanding his fundamentally optimistic attitude, had a tragic note. The enormous mental resilience, without which no chess player can exist, was so much taken up by chess that he could never free his mind of this game, even when he was occupied by philosophical and humanitarian questions.”
Albert Einstein
Petrosian-Spassky? To think I could have watched an excellent football match instead!
Mikhail Tal 1966
” The essence of chess is thinking about what chess is.”
David Bronstein