Correct answer: Nd51...Nc2 2.Bb3#/Qe8# 1...Nc6 2.Bb3#/Qd1# 1...Nd3/Na2 2.Bb3#/Qd1#/Qe8# 1...Nd5 2.Qd1#/Qe8# 1.Na8?? zz 1...N