2x2

1.b8-f4 c3-b2

[ 1...h8-g7 2.h6:f8 c3-b2 3.f8-g7 ]
2.f4-e5 b2-a1 3.e5-f6 a1:g7 4.h6:f8 2-0

created with Aurora Borealis 3.0