2x2

1.e5-f6 a7-b6 2.f6-e7 h6-g5

[ 
2...b6-a5 
3.b4-c5 
h6-g5 
4.e7-d8 
g5-f4 
5.c5-b6 
a5:c7 
6.d8:b6 
] 

3.e7-f8 g5-f4 4.f8-h6! f4-g3

[ 
4...b6-a5 
5.h6:e3 
a5:c3 
6.e3-c1 
] 

5.h6-e3 b6-a5 6.b4-c5 g3-h2 7.e3-g1 2-0