Daily chess puzzle: Check Mate #109

Another puzzle from Dragoslav Andric’s 1981 book “Matni Udar”.

White to play and mate Black.

Ekström v unknown, Svedska 1929

A nice variation of a standard sacrificial idea: 1 Qg7+! Kg7[] 2 h8(Q)+! (the pretty key move)

Rh8 3 Rg5+ Kf8[] 4 Rh8+ and 5 Rg8 mate.

2rr3k/1b2bppP/p3pn2/R7/3P4/1qB2P2/1P4Q1/1K5R w – – 0 1