Correct answer: Nf51...b6 2.R:c6# 1...Ng4+ 2.Q:g4# 1...Rc5 2.R:c5# 1...Rc7 2.R:c7# 1...R:c8 2.Q:c8# 1.N:f1?? (2.Nf:e3#/N:d2#) 1...N:f1 2.Q