Solution:
1...Kd6/Bb2/Ba1 2.Nf5#
1...fxe3 2.Qg3#/Qh2#
5 tries skipped1.Rd7?? (2.Nxc6#)
1...f5 2.Ng4#
1...fxe3 2.Qg3#/Qh2#
but 1...Nxa5!
1.Nf1+??
1...Kd6 2.Rd7#/Nb7#
but 1...Be3!
1.Nd1+??
1...Kd6 2.Rd7#/Nb7#
but 1...Be3!
1.Nd5+??
1...Kd6 2.Rd7#/Nb7#
but 1...Be3!
1.Nc2+??
1...Kd6 2.Rd7#/Nb7#
but 1...Be3!
1.Qb2! (2.Nf5#)
1...fxe3 2.Qh2#
1...Nc1/Nd2 2.Qb8#
1.Ng4+!
1...Kf5 2.Qc2#/Nh2#/Nh6#/Nf2#/Nxf6#/Ne5#
1...Kd6 2.Rd7#/Nb7#