[ 1...a5-b4 2.e3-c5 b4xb8 3.h2-c7 b8xd6 4.h4-e1 d6-e5 ( 4...d6-c5 5.f6-d4 c5xe3 6.h6xc1 a7-b6 7.e1-a5 b6-c5 8.a5-b4 c5xa3 9.g7-b2 x ; 4...a7-b6 5.f6-e7 d6xf8 6.h6-e3 f8xh6 7.e3xa7 h6-g5 8.e1-h4 g5-f4 9.h4-g3 f4xh2 10.a7-g1 x ) 5.f6xc3 a7-b6 6.c3-a5 b6-c5 7.a5-b6 c5xa7 8.h6-c1 a7-b6 9.e1-a5 b6-c5 10.a5-b4 c5xa3 11.g7-b2 x ]