Correct answer: Qa31...d4 2.Qd6# 1.Kg3?? zz 1...e3 2.Qf4# 1...d4 2.Qb5#/Qc5#/Qd6#/Qa5# but 1...a3! 1.Kg5?? zz 1...d4 2.Qb5#/Qc5#/Qd6#/Qa5#
