Correct answer: Qb71...Bc5/Bb8 2.Q:c5# 1...c:b2 2.Q:b2# 1...Bg6/Bh5/Bd5/Be8 2.Qd5# 1...Ne6 2.Qd5#/Nc6# 1...Nc6/Nb7 2.N:c6# 1.B