1.Df2+ Kh1 2.Df3+ Kg1 3.Dg3+ K[fh]1 4.Dh3+ Kg1! 5.Dh2+ Kf1 6.Dh1+ Ke2 7.Dg2+ Kd1! 8.Dg1+ Ke2 9.Df2+ Kd1 10.Se3+ Kc1 11.Db2+ D:b2#