[ 6...f6-g5 7.f2-e3 g5-h4 8.f4-g5 h4xf6 9.h6-g7 f6xh8 10.h2-g3 h8-g7 11.g3-e1 g7-h6 ( 11...g7-f6 12.d6-e7 f6xd8 13.b8-c7 d8-e7 14.c5-d6 e7xa7 15.c7-e5 a7-b6 16.e1-a5 b6-c5 17.c1-d2 a3xc1 18.a5-b4 c5xa3 19.e5-b2 x ) 12.d6-e5 h6-g5 13.e5-f6 g5xe7 14.c5-d6 e7xa7 15.b8-e5 a7-b6 16.e1-a5 b6-c5 17.c1-d2 a3xc1 18.a5-b4 c5xa3 19.e5-b2 x ]