2x2

1.g5-h6

[ 1.b6-a7? d6-c5 2.a7-b8 c5-d4 3.b8-f4 e7-d6 4.f4:b8 d4-e3= ]
1...d6-e5
[ 1...e7-f6 2.b6-a7 d6-c5 3.a7-b8 c5-b4
[ 3...c5-d4 4.b8-f4 d4-c3 5.f4-c1 f6-e5 6.h6-g7 e5-f4 7.c1:h6 c3-b2 8.h6-c1 b2-a1 9.g7-h8 ]
4.h6-g7 f6:h8 5.b8-e5 ]
2.h6-g7
[ 2.b6-c7 is ok too. e5-f4 3.c7-d8 e7-d6 4.h6-g7! f4-e3 ( 4...f4-g3 5.d8-h4! g3-h2 6.h4-g3 h2:f4 7.g7-f8 d6-e5 8.f8-g7 ) 5.d8-b6 e3-d2 6.b6-e3 d2:f4 7.g7-f8 d6-e5 8.f8-g7 ]
2...e5-d4 3.b6-c7 d4-e3
[ 3...d4-c3 4.g7-h8 c3-d2 5.h8-c3 d2:b4 6.c7-d8 e7-d6 7.d8-f6 ]
4.c7-d8 e7-d6 5.d8-g5! e3-f2 6.g5-e3 f2:d4 7.g7-f8 d6-e5 8.f8-g7 e5-f4 9.g7:c3 2-0

created with Aurora Borealis 3.0