[ 3...ab6 4.ab4 fe3 5.hg3 ed2 6.gf4 de1 7.fe5 e:a5 8.ef6 ab4 9.fg7 b6-c5 10.gh8= ( 10.gf8? ba3 11.f:b4 a:c5 x ) ]

[ 4...ab6 5.hg3 ed2 6.gf4 de1 7.fe5 e:a5 8.ef6 ab4 9.fg7 bc3 10.gf8= ]

[ 5...dc1 6.cd6 cg5 7.hg3 ( 7.dc7? ab6 8.c:a5 gd8 9.hg3 dc7 10.gh4 cd8 x ) 7...ab6 ( 7...gh4 8.dc7= ) 8.gf4 g:c1 9.de7 bc5 10.ed8= ( 10.ef8? ca3 11.f:b4 a:c5 x ) ]