Solution:
1...Bxd5 2.Qxc7#
1...Rd4 2.cxd4#/Qxd4#
1...Rxd5 2.Qe7#
1...Rc2/Rdb2/Rxa2/Re2/Rxf2 2.Qd4#
1...Rbb2/Rb1/Rb5/Rb8/Ra3 2.Qxc7#/Qe3#/Qe7#
1...Rb4 2.Qxc7#/Qe7#
1...Rb6 2.Qe3#
1...Rb7 2.Qe3#/Qe7#
1...c6 2.Qd6#
2 tries skipped1.Bxb3?? (2.Qxc7#/Qe3#/Qe7#)
1...Ba3 2.Qe3#
1...Bc6 2.Qe3#/Qe7#
1...Bxd5 2.Qxc7#
1...Rd1/Rd3 2.Qxc7#/Qe7#
1...Rd4 2.Qxc7#/Qxd4#/Qe7#/cxd4#
1...Rxd5 2.Qe7#
1...Rc2/Rb2/Ra2/Re2 2.Qxc7#/Qd4#/Qe7#
1...Rxf2 2.Qd4#/Qe7#
1...c6 2.Qe3#/Qd6#/Qe7#
but 1...axb3!
1.Nd3+??
1...Ke4 2.Qd4#
but 1...Rxd3!
1.Kxg6! (2.Rf5#)
1...Bxd5 2.Qxc7#
1...Rxd5 2.Qe7#
1...Rxf2 2.Qd4#
1...Rb6 2.Qe3#
1.Qc4! (2.Qe4#/Ng4#)
1...Bxd5 2.Qxc7#/Qf4#/Ng4#
1...Rd4 2.Qxd4#/cxd4#
1...Re2 2.Qd4#/Ng4#/Nd3#
1...Rxf2 2.Qd4#
1...Rb4 2.Qxc7#/Ng4#