[ 4...c7-b6 5.e7-d8 ( чпр 5.c1-a3 b6-a5 6.d4-e5 a5-b4 7.e7-d6 b4-c3 8.c5-b4 c3xa5 9.d6-c5 a5-b4 10.a7-b8 b4xh2 11.h6-e3 h2-g1 12.b8-h2+= ) 5...b6-a5 6.c1-a3 a5-b4 7.a3-c1 b4xd6 8.d8-c7 d6xb8 9.d4-c5 b8-c7 10.c5-b6 c7xa5 11.a7-e3 a5-b4 12.f6-g5 h8xh4 13.c1-a3 b4-c3 14.a3-b2 c3xa1 15.f2-e1 h4xd4 16.e1-c3 d4xb2 17.h6-c1 x ]