Correct answer: Rc61...Ng2/Nd3[a] 2.Qd3#[A] 1...Bb3/Bc2/Bd1 2.Q:b5# 1...Bd6 2.R:d6# 1...Be5 2.R:e5# 1...Bd8/Bb6/Ba5 2.Re5#/Rd6#