Correct answer: Qa51.Nd2?? (2.Qc4#) but 1...e:d2! 1.Bc3?? (2.Q:b2#) but 1...K:c3! 1.Bf1?? zz 1...Kd1 2.Qb1# but 1...e2! 1.Bf3?? zz 1...Kd3 2.Q