[ 2...b8-a7 3.c5-b6 ( чпр 3.c5-b4+- a7-b6 4.b4-c5 b6-a5 5.c5-a7 a5-b4 6.a7-c5 b4xd6 7.d4-e5 d6-c5 8.e5-d6 c5xe7 9.g3-f2+= ) 3...a7xg5 4.g3-f2 g5-h4 ( 4...g5-f4 5.h2-g3 f4xh2 6.f2-g1 x ) 5.h2-g3 x ]