1.Qf4+ Ke1 2.Rg1+ Ke2 3.Qf3+ Kd2

4.Qe3+ Kc2 5.Rc1+ Kb2 6.Qc3+ Ka2

7.Qc4+ Kb2 8.Rb3+ Ka2 9.Rb1+ Ka3

10.Q:c5+ Ka2 11.Qc4+ Ka3 12.Ra1+ 

Kb2 13.Qd4+ Kb3 14.Rc3+ Kb2 15.Rd3+ 

Kc2 16.Rd2+ Kb3 17.Qb2+ Kc4 18.Rd4+ 

Kc5 19.Ra5+ Kc7 20.Qb7+ Q:b7#

 

10…. Ka4 11.Qd4+ Ka3 12.Ra1+ Kb3

13.Rc3+ Kb2 14.Rd3+ Kc215.Rd2+ 

Kb3 16.Qb2+ Kc4 17.Rd4+ Kc5 18.Ra5+ 

Kc6 19.Qb7+ Q:b7#