Correct answer: Kg81...Qa2/Qa3/Qa5/Qa6/Qa7/Qa8/Qb1/Qd1 2.Ng4#/Ng8#/Nh5#/Nh7#/Ne4#/Ne8#/Nd5# 1...Qa4 2.Ng4#/Ng8#/Ne4