1...Ke7 Pivotal point=f4 weaknesses h3 and c3 2.Ng2 an attempt to exchange pieces which would render the pivotal point as useless. 2... Ra1+   3.Rc1   Ra2   4.Ne1   Kf7 With the rook manoeuvre a tempo is gained. 5.Rc2   Ra3   6.Ng2   Ra1+   7.Rc1   Ra2   8.Ne1   Kg6   9.Rc2   Ra3   10.f3   f5   11.Kf2   Kf6 To make room for the knight 12.Bc1   Ra1   13.Ke3   Ng6   14.Nd3   Bg3   15.Ne2   Ngf4   16.Ng1   Nxd3   17.Kxd3   Bf4   18.Ne2   Bxc1   19.Nxc1   Nf4+   20.Ke3   Nxh3 First weakness chopped off 21.Ne2   f4+   22.Kd2   Rf1 White resigns since f3 is gonna fall. 0-1