[ 4...g5-h4 5.c5-b4 a7-b6 ( 5...h4-g3 6.b4-c5 g3-f2 7.g1xg5 h2-g1 8.g5-d8 g1xb6 9.d8xa5 ) 6.g1xa7 h4-g3 ( 6...h2-g1 7.b4-c5 g1xb6 8.a7xh6 h4-g3 9.h6-e3 g3-h2 10.e3-g1 ) 7.b4-c5 h2-g1 8.c5-d4 g1xc5 9.a7xh4 f4-e3 10.h4-e1 ]