Correct answer: O-O1...K:g2 2.Be4# 1.Bh6?? zz 1...K:g2 2.Be4# but 1...g5! 1.Be3?? zz 1...K:g2 2.Be4# but 1...g5! 1.Bd2?? zz 1...K:g2 2.Be4#
