Z. Birnov "64", 1929

White: Kc8, Nd4, Ne2; pawns - b2, f4
Black: Ke4, Ra7; pawns - b6, d7

1 Kb8 Ra6 2 Kb7 Ra1/i 3 Nc2 Ra5 4 b4 and wins

i) 2...Ra5 3 Nb3
