Correct answer: Qb41...f4 2.Q:f4# 1...e5 2.Qd8#/Qf8#/Qd6# 1.Nd3?? (2.Qe5#) 1...e6 2.Qd8#/Qf8# but 1...Ke6! 1.c4?? zz 1...f4 2.Q:f4# 1...e5 2.Qd8
