Correct answer: Qb81.Qa4+?? 1...Kg5/Kf3/Kf5 2.Qf4# 1...Kh3 2.Qh4# but 1...Kg3! 1.Qe4+?? 1...Kg5 2.Qf4#/Qg6# 1...Kh3 2.Qh4#
