A joint composition by two leading Ukrainian composers. Let us hope that
they and all other chess problemists from the Ukraine survive the
barbarity that the Russian government has inflicted on their country.
1.Kf8 threat 2.Qg8+ Kxf6 3.Qg6 or 2..Sf7 3.Qxf7.
1..Rbxc5 2.Sd7+ Kd5 3.Sb6;
1..Sxc5 2.Se8+ Kd5 3.Sc7;
1..Rexc5 2.Sg8+ Kd5 3.Sxe7;
1..gxh4 2.Sh5+ Kd5 3.Sf4;
1..Qxh4 2.Sxg4+ Kd5 3.Se3;
1..Bxh4 2.Sxe4+ Kd5 3.Sc3.
A highly unified sixfold example of the Siers battery theme, where a knight discovers check then goes on to mate.
The three defences on each of c5 and h4 all unguard the mating square.