1...Rd4(a) 2.Qf3#(A), 1...Rd5(b) 2.Qe3#(B)

1.f5! - 2.Bh3#

1...c4(c) 2.Qf3#(A)

1...Kf4(d) 2.Qe3#(B)

1...Kd4 2.Qd3#

1...Rh6, Rg6 2.Qc4#

1...Bxf5 2.Bf3#

Transferred mates, half-battery.

After А.Дикусаров ( http://www.yacpdb.org/#346052 ).