Correct answer: Ng51...Ke6 2.Q:d6# 1.Rc4?? (2.Q:d6#) but 1...Kf4! 1.Nf2?? (2.Qe4#) 1...Ke6 2.Re2# 1...d5 2.Qf6# but 1...g:f2! 1.Nf6?? (2.Q