Correct answer: Nc71.Qd3?? (2.Qe4#) 1...f5 (A) 2.B:e5# 1...f2 (B) 2.Qg3# but 1...Re1! 1.Nb4? (2.Nd3#[A]) 1...f2 (C) 2.Qg3# 1...e4 (A) 2.R:e4# but 1...<
