[ 1...b6-a5 2.a3-b4 a5xc3 3.d2xb4 a7-b6 4.a1-b2 b6-c5 ( 4...b6-a5 5.f6-g5 h8xh4 6.f4-h6 a5xa1 7.c1-g5 h4xf6 8.d6-e5 f6xd4 9.e1-c3 d4xb2 10.h6-c1 x ) 5.d6-b8 c5xa3 6.g1-f2 h2-g1 7.f4-h6 g1xa1 8.f6-g5 h8xh4 9.c1-g5 h4xf6 10.b8-e5 f6xd4 11.e1-c3 d4xb2 12.h6-c1 x ]