[ 1...a7-b6 2.c7-b8 b6-c5 3.d2-e1 b4xd2 4.e1xf8 a5-b4 5.f8-c5 b4xd6 6.e5xc7 h8-g7 7.g5-h6 g7-f6 8.c7-d6 f6-g5 ( 8...f6-e5 9.d6-c5 e5-d4 10.h6-g7 d4xb6 11.g7-h8 b6-c5 12.h8-d4 c5-b4 13.d4-c3 b4xd2 14.f4-h6 d2xh2 15.h6-e3 h2-g1 16.b8-h2 x ) 9.b8-c7 g5-h4 10.d6-b4 a3xc5 11.c7-b6 c5xa7 12.h6-g7 a7-b6 13.g7-h8 b6-c5 14.h8-d4 c5-b4 15.b2-c3 b4xd2 16.d4-b2 d2-e1 17.c1-d2 e1xa1 18.f2-e1 h4xd4 19.e1-c3 d4xb2 20.f4-c1 x ]