Correct answer: Qf51...d6/Rd6 2.a8Q#/a8B# 1...d5 2.Qe6# 1...Ra5 2.R:b6# 1.R:c5+?? 1...Kd6 2.Qh6#/Ne8#/N:b5# 1...R:c5 2.R:b6# but 1...b:c5!