Correct answer: Rf61...Nc4 2.Ne6# 1.R1d4?? (2.B:b4#/Ne6#/Nd3#) 1...Be1/Nc4 2.Ne6#/Nd3# but 1...B:d4! 1.R6d4?? (2.Ne6#/B:b4#) 1...<