1.Rg4! (1.gf? gf 2.Rg4 Re4 3.Rh3 Rf4 0-1) Re4 2.g6 h6 (2...hg 3.fg f5+ 4.Rg5 f4 5.h5 f3 6.h6 =) 3.Rh5! Rxf5 pat