Correct answer: Qg61...e4 2.Qd4# 1...b:c6+ 2.Q:c6# 1...b6/b5 2.a:b6# 1.Ra7?? zz 1...b:c6+ 2.Q:c6# 1...b6/b5 2.a:b6# 1...e4 2.Qd4# but 1...g4! 1.Ra8?? zz 1...e4 2.Qd4
