H. Fahrni
"Schweizerische Schachzeitung" 1922
Win

White: Ke3, Nd5, Be6
Black: Kh8, Nh5; pawns - a5, c5

1 Bg4 Ng4/i 2 Nf6 a4 3 Kd3 a3 4 Kc2 c4 5 Kc3 and wins.

i) 1...Ng3 2 Nc3 Nf1+ 3 Ke2 and wins.
Nicely using the poor positions of the Black King and Knight.