Daily chess puzzle: Check Mate #320

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

White to play and mate Black

Uggmark v Backman, correspondence, Sweden 1966

Solution

1 Qg6! has to be the move, threatening 2Nf6 or 2 Bf5. Then 1…hg 2 hg Bh4 3 Bg5! Bg5 4 Bf5+ Bh6 5 Rh6+! gh[] 6 g7mate is the prettiest line. Though 3 Bd7 or 3 Bf5 are just as good.

If 1…Bd5 2 ed Rc8 then 3Bf5+-

Komodo spoils things by saying 1 Bf5 is even stronger, though only in the sense +5 compared to +4.

FEN

3q3k/1r3Ppp/2rp1b2/p1nNp2P/Ppb1P3/4BP1B/1PP3Q1/1K4RR w – – 0 1