Gerald Sladek ✝, Schach-Echo 1970, Lob
Position: 3B4/4p3/3p1pp1/8/3p4/5p2/kpQ2K2/3B4 w - - 0 1
 
mate in 4

Black: e7, d6, f6, g6, d4, f3, Ka2, b2
White: Bd8, Qc2, Kf2, Bd1
Solution: 
Click to see solution below