It’s Your Move: daily chess puzzle # 151

White to play and win

Benko v Weinberger, Mission Bay 1965

Solution

An unusual motif, after the obvious first moves, 1 Qg5+ hg[] 2 Rh8 Rf7: Black is in zugzwang after say 3 R1h5

If 3…Kf6 then 4 R5h6+ Kg7[] 5 f6+ and, next move, the queen is skewered.