2x2

1.d2-f4

[ or 1.d2-a5 d4-e3 2.a5-e1 f6-e5 3.h6-g7 e5-f4 4.g7-h8 f4-g3 5.e1:h4 e3-d2 6.h8-c3 d2:b4 7.h4-f6 ]
1...d4-c3
[ 1...f6-g5 2.f4-e5 d4:f6 3.h6:f4 ]
[ 1...f6-e5 2.f4:d6 d4-c3 3.d6-f4 c3-b2 4.f4-e5 ]
2.f4-c1 f6-e5 3.h6-g7 e5-f4 4.c1:h6 c3-b2 5.h6-c1 b2-a1 6.g7-h8 2-0

created with Aurora Borealis 3.0