Correct answer: Q:a71...d4 2.c4#[A] 1...Ng4 2.Bd3#[Б] 1...Bb2/Bc1/B:c5 2.Ra5# 1.R:a3?? (2.Ra5#) but 1...Ra4! 1.Qc6+?? 1...Ka5+ 2.c4#[A] but 1...K