Solution:
1...Qxe5[a] 2.Qc4#[B]
1...Bd2[b]/Be1/Bd4/Bb4/Ba5 2.Qd4#[C]
1...Be4 2.Qxe4#
1...Qc4+ 2.dxc4#
1...Qc8/Qd6 2.Rd6#
1...Qb7/Qa7 2.Nxc3#[A]/Rd6#
1...Qb8 2.Nxc3#[A]
1.Qg5? (2.Nf4#)
1...Qxe5[a] 2.Nxc3#[A]
1...Bd2[b]/Bxe5[c] 2.Rd4#[E]
1...Qc4+ 2.dxc4#
but 1...Ne6!
1.Qe3? (2.Nxc7#/Nf4#)
1...Qxe5[a] 2.Qc5#[F]
1...Bxe5[c] 2.Nb4#[D]
1...g5 2.Nxc7#
1...Be4 2.Qxe4#
1...Bd4 2.Nf4#/Qxd4#[C]/Rxd4#[E]
1...Qc6/Qxb6 2.Nf4#
1...Qc5 2.Nf4#/Qxc5#[F]
1...Qc4+ 2.dxc4#
1...Qc8/Qd6 2.Nf4#/Rd6#
1...Qb7/Qa7 2.Nf4#/Nxc3#[A]/Rd6#/Qc5#[F]
1...Qb8 2.Nf4#/Nxc3#[A]/Qc5#[F]
but 1...Ne6!
1 tries skipped1.Nb4+[D]??
1...Bxb4 2.Qd4#[C]
but 1...Kc5!
1.Bxc7! (2.Qc4#[B]/Qd6#/Nxc3#[A]/Rd6#)
1...Bd2[b] 2.Rd6#/Qd4#[C]/Qc4#[B]/Qe5#/Qd6#
1...Be5[c] 2.Qc4#[B]/Qxe5#
1...d6 2.Rxd6#/Qxd6#
1...Nf7/Nb7 2.Nxc3#[A]/Qxf7#/Qc4#[B]
1...Nc6 2.Qf7#/Qc4#[B]/Qd6#
1...Be4 2.Rd6#/Qxe4#/Qd6#
1...Be1/Ba5 2.Rd6#/Qd4#[C]/Qc4#[B]/Qg5#/Qe5#/Qd6#
1...Bd4 2.Rd6#/Qxd4#[C]/Qd6#
1...Bf6/Bg7/Bh8/Bb2/Ba1 2.Qc4#[B]/Qd6#/Rd6#
1...Bb4 2.Qd4#[C]/Qc4#[B]/Qg5#/Qe5#
1.Nxc3+[A]!
1...Qxc3 2.Rd6#