Solution:
1...g6/g5 2.Nxg6#
2 tries skipped1.Qf7?? zz
1...Ng4/Nf5 2.Qg8#
1...Ng8 2.hxg8Q#/hxg8R#/Qxg8#
1...g6/g5 2.Nxg6#/Qf6#
but 1...Nxf7!
1.Qd5?? zz
1...g6/g5 2.Qd4#/Qe5#
1...Ng4/Nf5 2.Qg8#
1...Ng8 2.hxg8Q#/hxg8R#/Qxg8#
but 1...Nf7!
1.Qh1! zz
1...g6/g5 2.Qa1#
1...Ng4/Ng8/Nf5/Nf7 2.Ng6#