Correct answer: Qh11...Re3 2.Ngf2# 1...g:f4 2.Ndf2# 1.Qh3?? zz 1...R:g2 2.Qe3#/Q:g2#/Nf6# 1...R:g4 2.Qf3# 1...Rf3 2.g:f3#/Q:f3# 1...R