1.Ba5+! Kxa5 2. Ra3+ Kb6 3. Ra6+ Kb7

4. Ra7+! Kxa7 5. b6+ Qxb6 6. Rxb6 Kxb6
(6... Rh2+ 7.Kg5 Kxb6 8. Kg6 Rh3 9. g4 Kc6 10. Kg7)
7. Kh3!
(7. h8=Q? Rh2+)
7... Rg1 8.Kh2! wins,
(8. h8=Q? Rh1+, 8. Kg4? Rh1).