Correct answer: N6:b41...d4/Rg3/Rg2/Rg1/Rg5[a]/Rgg6/Rg7/Rg8 2.B:b4#[A] 1...Rd4 2.e:d4# 1.Ne7? (2.Q:d5#) 1...Rg5[a] 2.B:b4#[A] 1...Rd6/[