Correct answer: Q:d71...B:b6 2.Qa1# 1.Q:d7! (2.Qd3#/Qb5#/Qc8#) 1...B:b6 2.Qa4# 1...c:b6 2.Qb7# 1...c6 2.Qa7# 1...c5 2.Bb7# 1...Ng2
