Correct answer: Rf31...N:d6/Ne7/Na7 2.Qh8# 1...Nc4 2.N:c6# 1...Nd7/Na8 2.Qb2# 1...c5 2.Bb2# 1.Q:b6+?? 1...Ke5 2.Ng6# 1...c5 2.Bb2#/
