Correct answer: Rh41...Kg2 2.Be4# 1...g2 2.Rh3# 1...Bf8/Bd6/Bc5/Bb4/Ba3/Bd8 2.O-O# 1.R:e7?? (2.O-O#) 1...Kg2 2.Be4# 1...g2 2.Re3#/Rh3