Correct answer: Rbd11...Rb4/b4 2.Qf3# 1...Ra3 2.Q:a3# 1.Qf6?? (2.Rd:b2#) 1...g:f2 2.R:f2# but 1...Kb4! 1.Qf4?? (2.Rd:b2#) 1...g:f2 2.R:f2# but 1...