1.g7 [1.Kb3? Rh5! 2.g7 Rg5 3.Kc4 Kg2 4.Kd4 Kg3 5.Ke4 Kg4 6.Rf7 Kg3 7.Ra7 Kg4 8.Ra1 Kh3 9.Rh1+ Kg2 10.Rh7 Kg3 11.Rh1 Kg2 ] 1...Rb8! 2.Rb7! [2.Rf7? Rg8! 3.Kb3 Kg2 4.Kc4 Kg3 5.Kd5 Kg4 6.Ke6 Kg5 ] 2...Rc8 3.Kb3 Kg2 4.Rc7! Rd8 5.Kc4 Kg3 6.Rd7! Re8 7.Kd5 Kg4 8.Re7! Rg8 9.Ke6 Kg5 10.Kf7 win.