1.Qd2? – zz, 1...Kf6(a) 2.Qh6#, 1...Kd7!

1.Kd4? – 2. Qf5#(B), 1...Kf6(a) 2.Qg6#, 1...ed!

1.Qf2? – 2.Bg4(A), Qf5#(B), 1...ed(b) 2.Qf7#, 1...Kd7!(c)

1.Qc3? – 2.Bg4#(A), 1...Kd7(c) 2.Qc8#, 1...ed!(b)

1.Qc5! – 2.Qf5# (B), 1...Kf6(a) 2.Qe5#, 1...ed(b) 2.Q:d6#, 1...Kd7 2.Qc8#