Camillo Gamnitzer, Schweizerische Schachzeitung 1990
Position: 8/1N3p1p/2B1kP1P/4N1Pp/1Pp2B1P/2P5/6P1/1b5K w - - 0 1
 
mate in 4

Black: f7, h7, Ke6, h5, c4, Bb1
White: Nb7, Bc6, f6, h6, Ne5, g5, b4, Bf4, h4, c3, g2, Kh1
Solution: 
Click to see solution below