[ 1...b8-a7 2.c7-b6 a7xe7 3.g5-f6 e7xg5 4.g3-h4 g5-f4 ( 4...h8-g7 5.e5xh8 g5-f4 6.h4-g5 f4xh6 7.h8-d4 h6-g5 8.d4-f2 x ) 5.e5xg3 h8-g7 6.g3-f2 g7-f6 ( 6...g7-h6 7.h4-g5 h6xf4 8.h2-g3 f4xh2 9.f2-g1 x ) 7.h4-g5 f6xh4 8.h2-g3 x ]