Correct answer: Nf31...Rb3/Rf3/Rh3 2.R:a1# 1.N:g4?? (2.Qh2#) 1...Rh3 2.R:a1# but 1...Bg2! 1.Nf3! (2.Qh2#) 1...R:f3 2.R:a1# 1...g:f3/
