Correct answer: Qb71...Kf4/e4 2.Qe4# 1.Qb1+?? 1...Kf4/e4 2.Qe4# but 1...Ke6! 1.Qg2?? (2.Qg4#) 1...Kf4 2.Qf2#/Qe4# 1...e4 2.Q:e4# but 1...