[ 12...d6-e5 13.a3-b4 c7-d6 14.a5xc7 d8xb6 15.h2-g3 b6-a5 16.d2-c3 g7-f6 17.g1-h2 ( 17.c3-d4 ) 17...a7-b6 18.c3-d4 a5xc3 19.d4xb2 h6-g5 20.e1-d2 g5-f4 21.d2-e3 f4xd2 22.c1xe3 b6-c5 23.g3-f4 e5xg3 24.h4xf2 c5-b4 25.h2-g3 b4-a3 26.b2-c3 d6-c5 27.g3-f4 b8-c7 28.f2-g3 c5-b4 29.c3xa5 a3-b2 30.e3-d4 b2-c1 31.d4-c5 c1xh6 32.c5-b6 c7-d6 33.b6-a7 ]

[ 12...g7-f6 13.h2-g3 d6-e5 14.a3-b4 c7-d6 15.a5xc7 d8xb6 16.b4-a5 d6-c5 17.a5xc7 b8xd6 18.d2-e3 ( 18.g3-f4 ) 18...c5-b4 19.e1-d2 a7-b6 20.e3-f4? ( 20.g1-h2 b6-a5 21.h4-g5! f6xd4 22.d2-c3 b4xd2 23.c1xe7 ) 20...b6-a5? ( 20...b6-c5 21.g1-f2 b4-a3 ) 21.g1-f2 b4-c3 22.d2xb4 a5xc3 23.f2-e3 c3-d2 24.h4-g5 ]

[ 13.h2-g3 d6-e5 14.g1-h2 d8-e7 15.d2-c3 c5-d4 16.g3-f4 ( 16.c1-b2 e5-f4 17.g3xe5 d4xf6 18.c3-d4 ) 16...e5xg3 17.c3xe5 e7-f6 18.h2xf4 f6xd4 19.c1-d2 ( 19.e1-d2 c7-b6 20.a5xc7 b8xd6 21.c1-b2 g7-f6 22.d2-c3 d6-e5 23.f4xd6 d4-e3 24.d6-c7 ) 19...a7-b6 20.d2-c3 d4xb2 21.a3xc1 b6-c5 22.h4-g5? ( 22.e1-d2 c5-d4 23.c1-b2 g7-f6 24.a5-b6 c7xa5 25.d2-c3 d4-e3 26.f4xd2 f6-e5 27.d2-e3 e5-f4 28.e3xg5 h6xf4 29.c3-d4 ) 22...c5-d4 23.c1-b2 b8-a7 24.e1-f2 a7-b6 25.b2-c3 d4xb2 26.f2-g3 b2-c1 ]

[ 13...g7-f6 14.f2-g3 d6-e5 ( 14...c5-d4!? ) 15.g3-f4 e5xg3 16.h2xf4 c7-b6 17.a5xc7 b8xd6 18.d2-e3 a7-b6 19.c1-d2 b6-a5 20.f4-g5 h6xf4 21.e3xe7 ]