Correct answer: Qf31...f4 2.Qe4# 1...c4 2.R:c4# 1.R:c5? (2.Rc4#) 1...Be3[a] 2.Qc4#[A] 1...Rd3/[б]/ 2.Qe5#[Б] 1...Bd5 2.R:d5# but 1...Be4! 1.R