[ 1...e7xe3 2.c3-d4 f8xb4 3.a3xc1 h8xc3 4.a1xh8+- ( 4.a1xe5 d8-e7 5.e5-d6 e7xa7 6.c7-e5 a7-b6 x ) 4...d8-e7 5.c7-d6 e7xa7 6.h8-g7+- a7-b6 7.e1-a5 b6-c5 8.a5-b4 c5xa3 9.g7-b2 x ]