Correct answer: Kb11...K:b3 2.Qc3# 1...c4 2.Qb4# 1...b4 2.Q:a4# 1.Nc1?? zz 1...b4 2.Q:a4# but 1...c4! 1.Qc3?? (2.Qb2#) but 1...B:b3! 1.Qd2?? (2.Q