[ 1...b6-c5 2.f8xb4 a7-b6 3.b4-a5 b6-c5 4.a5-b6 c5xa7 5.h6-f4 a7-b6 6.g7-h8 b6-a5 ( 6...b6-c5 7.e5-d6 c5xe7 8.f4-d6 e7xc5 9.h8-d4 c5-b4 10.b2-c3 b4xf4 11.h2-g3 f4xh2 12.d4-g1 x ) 7.f4-g5 a5-b4 8.b2-a3 b4-c3 9.a3-b4 c3xa5 10.e3-d4 a5-b4 11.d4-c5 b4xh6 12.h8-d4 h6-g5 13.d4-f2 g5-h4 ( 13...g5-f4 14.h2-g3 f4xh2 15.f2-g1 x ) 14.h2-g3 x ]