[ 1...c7xe5 2.b8xf4 g7xg3 3.c1-a3 h2-g1 4.a3-c5 g3-h2 ( 4...g1-h2 5.c5-a7+- h2-g1 6.e3-b6 g1xe3 7.b6xf2 g3-h2 8.f2-g1 h4-g3 9.a7-f2 x ) 5.e3-d4 g1xe3 6.d4xg1 h4-g3 7.c5-f2 x ]