Correct answer: Qa11.Rf5?? (2.Ng6#) but 1...e:f5! 1.Rf4?? (2.Nf3#) but 1...Kg5! 1.Rff3?? zz 1...g:f3+ 2.N:f3# but 1...Kg5! 1.Qf3?? zz 1...g:f3+ 2.N:f
