8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Step 1 / 2
This looks like a pawn ending with two extra horses. Treat it as one: your a- and b-pawns with nothing opposing them are a majority — and the a-pawn is already an outside passer, and just like in a pure pawn ending, that decides the game. Start it rolling.