Correct answer: f71...Nf8 2.e:f8N# 1...R:d6 2.R:d6# 1...Rd8+ 2.e:d8N# 1...Rc7 2.d:c7# 1...Rb7/Ra7 2.d7# 1...R:e7+ 2.d:e7# 1.f7! zz 1...Bg8 2.f:g8
