[ 1...d8-e7 2.c3-b4 ( 2.c3-d4?! e7-d6 3.d4-e5 d6-c5 ) 2...c7-b6 ( 2...e7-d6? 3.b4-a5 d6-c5 4.f4-e5 x ) 3.f4-e5 ( 3.b4-a5 b6-c5 4.f4-e5 e7-f6 5.e5xg7 h6xf8 6.h2-g3 f8-g7 7.g3-f4 g7-f6 8.f4xh6 f6-e5= 9.h6-g7 e5-f4 10.e3xg5 h4xh8 11.f2-e3 h8-g7 12.e3-d4 c5xe3 13.a5-b6= ) 3...g5-f4! 4.e5xg3 e7-d6 5.b4-a5 ( 5.e3-d4 b6-a5 6.d4-c5 a5xc3 7.c5xe7 c3-d2 8.e7-d8 d2-e1 9.d8-a5 h6-g5 10.a5-d8 g5-f4 11.g3xe5 e1xb8 ) 5...h6-g5! 6.a5xe5 g5-f4 7.e3xg5 h4xd4 8.g3-f4 d4-c3 9.f2-e3 ( 9.f4-e5 c3-d2 10.e5-f6 d2-c1= ) 9...c3-b2 10.f4-e5 b2-c1 11.e3-d4 c1-b2 12.h2-g3 b2-c1 13.e5-f6 13...c1-b2 14.d4-e5 b2-c1 15.g3-h4 c1-b2 16.h4-g5 b2-a3 17.f6-g7 a3-e7 18.g5-h6 e7-f6 19.g7-h8 f6xa1 20.h6-g7 a1-d4 21.g7-f8 d4-g1 ]

[ 2...d8-c7 3.b4-a5 d6-c5 4.f4-e5 ]