Correct answer: Re71...Qc5 2.B:c5# 1...Qd6 2.B:d6# 1...Qe7 2.B:e7# 1.Rd7?? (2.Rd3#) 1...Qd6 2.B:d6# but 1...N:d7! 1.Rc7?? (2.Rc3#) 1.