Correct answer: c8R1...K:d7 2.c8Q# 1.c8N?? (2.R:d6#) but 1...K:d7! 1.Rc4?? zz 1...K:d7 2.Bf5#/c8Q# but 1...d5! 1.Rc3?? zz 1...K:d7 2.Bf5#