Werner Schmoll, Oberösterreichische Nachrichten 1990
Position: k4b1n/2Q1Bp2/1p6/r2N1K2/P4p1P/2p1PB2/8/1r6 w - - 0 1
 
mate in 4

Black: Ka8, Bf8, Nh8, f7, b6, Ra5, f4, c3, Rb1
White: Qc7, Be7, Nd5, Kf5, a4, h4, e3, Bf3
Solution: 
Click to see solution below