[ 2...a3-b2 3.d4-e3 ( чпр 3.c3-b4 b2-c1 4.e1-d2 c1xe3 5.f4xd2 b6-a5 6.d2-c3 a7-b6 7.c5xa7=+ ) 3...b2xf2 ( 3...b6xf2 4.e1xh4 b2xd4 5.a1xf6 a7-b6 6.d6-c7 b6xd8 7.f4-e5 d8-c7 8.e5-d6 c7xg7 9.h4-f2 и тд х ) 4.e1xh4 b6xd4 5.a1xf6 a7-b6 6.d6-c7 b6xd8 7.f4-e5 d8-c7 8.e5-d6 c7xg7 9.h4-f2 g7-f6 ( 9...g7-h6 10.e7-c5 h6xf4 11.f2-g3 f4xh2 12.c5-g1 x ) 10.e7-d6 f6xh4 11.d6-g3 x ]