Correct answer: Ng:f61...Kh8 2.B:f6# 1.Rf:f6?? (2.Rf7#/Rg6#) 1...Kh8 2.Rf4# 1...Q:d6/B:d6 2.Rg6# 1...N:f6 2.B:f6# but 1...Qe5! 1.