Solution:
1...Qxe5[a] 2.Qc4#[B]
1...Bd2[b]/Be1/Bd4/Bb4/Ba5 2.Qd4#[C]
1...Bxe5[c] 2.Qf7#[D]
1...Be4 2.Qxe4#
1...Qc4+ 2.dxc4#
1...Qb7/Qa7/Qd8/Qb8 2.Nxc3#[A]
1.Qe3? (2.Nf4#)
1...Qxe5[a] 2.Qc5#[F]
1...Bxe5[c] 2.Nb4#[E]
1...Be4 2.Qxe4#
1...Qc4+ 2.dxc4#
but 1...g5!
1.Bxc3? (2.Qf7#[D]/Qd4#[C])
1...Qe5[a] 2.Qc4#[B]/Qxe5#
1...Nf6/Ng7 2.Qd4#[C]
1...Nd6/Qc6/Qxb6 2.Qe5#
1...Qc5 2.Qf7#[D]/Qg5#/Qe5#
1...Qc4+ 2.dxc4#/Qxc4#[B]
1...Qxc3 2.Nxc3#[A]
1...Qd6 2.Qc4#[B]
1...Qxf4 2.Nxf4#
1...Be4 2.Qf7#[D]/Qxe4#
but 1...d6!
2 tries skipped1.Nb4+[E]??
1...Bxb4 2.Qd4#[C]
but 1...Kc5!
1.Bxc7?? (2.Nxc3#[A]/Qf7#[D]/Qc4#[B])
1...Bd2[b] 2.Qf7#[D]/Qd4#[C]/Qc4#[B]/Qe5#
1...Be5[c] 2.Qf7#[D]/Qc4#[B]/Qxe5#
1...Be1/Bb4/Ba5 2.Qf7#[D]/Qd4#[C]/Qc4#[B]/Qg5#/Qe5#
1...Bd4 2.Qf7#[D]/Qxd4#[C]
1...Bf6 2.Qc4#[B]
1...Bg7/Bh8/Bb2/Ba1 2.Qf7#[D]/Qc4#[B]
1...Be4 2.Qf7#[D]/Qxe4#
1...Nf6/Ng7 2.Nxc3#[A]/Rd6#/Qc4#[B]/Qd6#
1...Nd6 2.Rxd6#/Qxd6#
1...Nxc7 2.Nxc3#[A]/Rd6#/Qd6#
but 1...d6!
1.Qg5! (2.Nf4#)
1...Qxe5[a] 2.Nxc3#[A]
1...Bd2[b]/Bxe5[c] 2.Rd4#[G]
1...Qc4+ 2.dxc4#