A chess problem, in which both Kings are mated, having usually two help-mate solutions. In one solution Black plays first and helps White to mate the Black King. In another solution White plays first and helps Black to mate the White King.
ECHESSPEDIA
Quotes of the Day
I enjoy it when I see my opponent really suffering when he knows that I’ve outsmarted him
Magnus Carlsen 2012
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
We must finish once and for all with the neutrality of chess. We must condemn once and for all the formula “chess for the sake of chess”, like the formula “art for art’s sake”. We must organize shock brigades of chess-players, and begin immediate realization of a Five-Year Plan for chess.
Nikolai Vasilyevich Krylenko
I have often written that Karpov is like an iceberg. Well, Kasparov was the Titanic.
Alexander Roshal
Vasiukov hadn’t won a single game against me for 59 years and then suddenly won. I can’t call it shame. Shame or no shame, it’s a pity that he won…
Viktor Korchnoi 2012