1.1...Qxd5+ 2.Kxd5 Nf6+ 3.Kc4 Be6+ 4.Kb5 a6+ 5.Ka4 b5+ 6.Nxb5 axb5+ 7.Kxb5 Ra5+ 8.Kxc6 Bd5+ 9.Kd6 Ne8#

2.1...Rh4+ 2.Kg2 (2.Kxg4 Qh5#) Rxh2+ 3.Kxh2 Qxg3+ 4.Kh1 Qh3+ 5.Kg1 Rg3+ 6.Kf2 Rg2+ 7.Ke1 Qg3+ 8.Kf1 Qf2#

3.1...Qd3+ 2.Kc6 Qd7+ 3.Kb6 Bd8+ 4.Ka6 Qc6+ 5.Ka7 Be4 and 6...Qb7#

4.1...Rf8!! 2.d5 (2.Kf5 Bc8+ 3.Kf6 {3.Ke5 Bg7+ 4.Kf4 Qh6#} Rxf7+ 4.Kxf7 Qh5+ 5.Kg8 {5.Kf6 Qg6+ 6.Ke5 Qe6#} Qg6+ 6.Kh8 Qg7#; 2.Ke6 with the same result; 2.Ke5 Bg7+ 3.Kf5 Bc8+ 4.Kg5 Qh6#) 2...Rxf7+ 3.Kxf7 Qh5+ 4.Kf6 Bg7+ 5.Kxg7 (5.Ke6 Qg6#) Qg6+ 6.Kf8 Kd7#

5.1...Qg2+ 2.Kh3 (2.Kf3 Qf2#) Qf1+ 3.Kg3 (3.Kh2 Bg1+ 4.Kh1 Bf2+ 5.Kh2 Qg1+ 6.Kh3 Qh1#) Bf2+ 4.Kf3 Bg1+ 5.Kg3 Qf2+ 6.Kh3 Qh2#

6.1...Rh6+ 2.Kg2 Qxh2+ 3.Kf1 (3.Kf3 Rh3#) Qh1+ 4.Kf2 Rh2+ 5.Kg3 Qg2+ 6.Kf4 Qg4#

7.1...Qg2+ 2.Ke3 Rxe4+ 3.fxe4 f4+ 4.Kxf4 Rf8+ 5.Ke5 Qh2+ 6.Qg3 Qxg3+ 7.Ke6 Re8+ 8.Kd7 Bb5#