Gerald Sladek, Main-Post 1957
Position: 7k/5prp/K3pN1R/8/8/8/8/8 w - - 0 1
 
mate in 7

Black: Kh8, f7, Rg7, h7, e6
White: Ka6, Nf6, Rh6
Solution: 
Click to see solution below