[ 9...f8-g7 10.f6-e7 d8xf6 11.a3-b4 11...a7-b6? ( 11...f6-g5 ) 12.g1-f2 h6-g5 13.f2-g3 g5-h4 ( 13...f6-e5 14.g3-h4 e5-d4 15.h4xf6 g7xe5 16.b4-c5 d4-e3 17.c5xa7 h8-g7 18.b2-c3 g7-f6 19.c3-b4 f6-g5 20.b4-c5 g5-h4 21.c5-b6 c7-d6 22.b6-c7 e3-f2 23.e1xg3 h4xf2 24.d2-e3 f2xd4 25.c7-d8 ) 14.g3xe5 f6xd4 15.e1-f2 b6-c5 16.b4xd6 c7xe5 17.d2-e3 g7-f6 18.e3xc5 f6-g5 19.a5-b6 h8-g7 20.b6-a7 g7-h6 21.c5-b6 e5-f4 ]

[ 9...a7-b6? 10.b2-c3 b6-c5 ( 10...f8-e7 11.g1-f2 e7xg5 12.a3-b4 ; 10...f8-g7 11.f6-e7 d8xf6 12.a3-b4 ) 11.g1-f2 f8-e7 ( 11...c7-d6 12.f2-g3 b8-c7 13.g3xe5 d6xf4 14.e1-f2 c7-d6 15.f2-g3 d8-c7 16.g3xe5 d6xf4 17.c3-b4 c5-d4 18.b4-c5 d4xb6 19.a3-b4 ; 11...f8-g7 12.c3-b4 g7xe5 13.b4xd6 h8-g7 14.f2-g3 ) 12.c3-b4 e7xg5 13.b4xd6 c7xe5 14.a3-b4 g5-h4 15.b4-c5 h6-g5 ( 15...h8-g7 16.f2-g3 h4xf2 17.e1xg3 ) 16.d2-c3 h8-g7 17.c5-b6 g7-h6 18.b6-a7 d8-c7 19.c3-b4 f4-g3 20.h2xd6 c7xe5 21.a5-b6 g5-f4 22.b6-c7 b8xd6 23.a7-b8 ]

[ 12.f2-g3 ]

[ 12...d8-e7 ]

[ 12...c7-d6 ]

[ 13...c7-b6 14.a5xc7 b8xd6 15.c3-d4 d6-e5 16.d2-c3 ( 16.d4-c5 d8-e7 17.c1-b2 e7-d6 18.c5xe7 f6xd8 ) 16...f4xd2 17.c1xe3 d8-e7 ]

[ 13...d8-e7 14.c3-d4 g5-h4 15.e3xg5 h6xf4 16.e1-f2 f6-g5 17.d4-c5 e7-f6 18.f2-e3 ( 18.c1-b2 h4-g3 19.f2xh4 c7-d6 20.c5xe7 f6xd8 21.h4xf6 d8-e7 22.f6xd8 b8-c7 23.d8xb6 a7xe3 ) 18...c7-d6 19.c5xe7 f6xd8 20.e3-d4 b8-c7 21.b4-c5 d8-e7 ]

[ 14...d8-e7? 15.f2-g3 d6-e5 16.g3-h4 e7-d6 17.c1-b2 d6-c5 18.b4xd6 e5xc7 19.e3-d4 f6-e5 20.d4xf6 g5xe7 21.h4-g5 ]

[ 14...b8-c7 15.f2-g3 d6-e5 16.g3-h4 c7-d6 17.c1-b2 a7-b6 18.a5xc7 d8xb6 19.b2-a3 b6-c5 20.b4-a5 f4-g3! 21.h2xf4 e5xg3 22.h4xf2 f6-e5 23.a3-b4 c5xa3 24.a5-b6 g5-f4 25.e3xg5 h6xf4 26.b6-a7 d6-c5 27.a7-b8 c5-b4 28.c3xa5 e5-d4 29.b8xh2 a3-b2 ]

[ 17...b4-a3? 18.f2-e3 h4-g3 ( 18...b8-c7 19.e3xg5 h6xf4 20.d2-e3 f4xb4 21.a5xc3 ) 19.e3xg5 h6xf4 20.f6-g7 g3-f2 21.g7-h8 f2-g1 ( 21...d8-e7 22.c3-d4 f4-e3 23.d2xf4 f2-e1 24.d4-c5 e7-d6 25.c5xe7 a7-b6 26.a5xc7 b8xf8 27.h8-d4 ) 22.c3-b4 a3xc5 23.d2-e3 f4xd2 24.c1xe3 g1xd4 25.h8xb2 d8-e7 ( 25...a7-b6 26.a5xc7 b8xd6 27.b2-c3 ) 26.b2-a3 e7-d6 27.h2-g3 c5-d4 28.a3xf8 ]

[ 17...d8-c7? 18.c3-d4! 18...h6-g5 ( 18...b4-a3 19.f2-e3 c7-d6 20.e3xg5 h6xf4 21.f6-g7 ) 19.a5xc3 g5xe7 20.c1-b2! ( 20.d4-c5 c7-d6 21.c3-b4 d6-e5 22.c1-b2 a7-b6! 23.c5xa7 e7-d6 24.b4-c5 d6xb4 25.b2-a3 b4-c3 26.d2xb4 h4-g3 27.f2xh4 f4-e3 28.h4-g5 e3-d2 29.g5-h6 d2-e1 30.b4-a5 e5-f4 31.h6-g7 f4-e3 32.g7-h8 e1-d2 ) 20...c7-d6 21.d4-e5 b8-c7 22.e5xg3 d6-e5 23.d2-e3 c7-d6 24.c3-b4 a7-b6 25.b2-a3 b6-c5 26.b4-a5 e7-f6 27.e3-f4 c5-d4 28.a3-b4 d6-c5 29.b4xd6 e5xc7 30.f4-e5 ]

[ 18.f2-e3 h4-g3 19.e3xg5 h6xf4 20.f6-g7 g3-f2 21.g7-f8 b4-a3 ]

[ 18.a5-b6 c7xa5 19.c3-d4 b4-a3 ( 19...a7-b6 20.f6-e7 d8xf6 21.d2-c3 b4xd2 22.c1xe7 a5-b4 23.e7-d8 b4-a3 24.d8xa5 a3-b2 ) 20.f2-e3 a5-b4 21.e3xg5 h6xf4 22.f6-g7 b4-c3 23.d4xb2 h4-g3 24.g7-h8 g3-f2 ]

[ 19...b4-c3 20.h2-g3 a7-b6 21.g3-f4 b6-c5 22.f4-g5 h6xf4 23.f6-g7 f4-g3 24.g7-h8 c5-d4 25.h8-g7 g3-h2 26.g7-h6 c3-d2 27.c1xc5 h2-g1 ]