[ 1...fg5 2.hg7 ba3 3.g:c3 ( 3.g:d4? fe3 4.d:g1 gf4 5.b:h2 ab2 6.gd4 bc1 7.de3 c:g5= ) 3...gh4 ( 3...fe3 4.ba7 ed2 5.c:e1 ab2 6.ec3 b:d4 7.a:h6 x ) 4.b:h2 x ]