Gerald Sladek, Österreichischer Schachbund 1956, 2. Lob
Position: r7/5R2/k7/1NP5/2P5/P4K2/3B4/8 w - - 0 1
 
mate in 4

Black: Ra8, Ka6
White: Rf7, Nb5, c5, c4, a3, Kf3, Bd2
Solution: 
Click to see solution below