1. Qh1-h2+ Kf2-f1 2.Qh2-h3+ {(2. ... Kg1 3. Bg4+ etc.)} Kf1-f2 3.Rd4-f4+ Kf2-g1 4.Rf4-g4+ Kg1-f2 5.Qh3-g2+ Kf2-e3 6.Rg4-e4+ Ke3-d3 7.Qg2-e2+ Kd3-c3 8.Qe2-b2+ Kc3-d3 9.Qb2-b1+ Kd3-c3 10.Rb7-c7+ Qa8-c6 11.Kd1-c1! {(zz)} Qc6-c5! 12.Rc7-c6! {(zz)} Qc5-c4! 13.Rc6-c5 {(zz)} Qc4*c5 14.Qb1-b2+ Kc3-d3+ 15.Qb2-c2+ Qc5*c2# 1...Kf2-e3 2. Qh2-d2+ Ke3-f3 3. Qd2-e2+ Kf3-g3 4. Rb7-g7+ Kg3-h3 5. Rg7-h7+ Kh3-g3 6. Qe2-h2+ Kg3-f3 7. Rd4-f4+ Kf3-e3 8. Qh2-f2+ Ke3-d3 9. Qf2-c2+ Kd3-e3 10. Qc2-c1+ Ke3-d3 11. Rh7-d7+ Qa8-d5 12. Rd7-d6! {(zz)} Qd5-d4! 13. Rd6-d5! {(zz)} Qd4*d5 14. Qc1-c2+ Kd3-e3+ 15. Qc2-d2+ Qd5*d2#