Correct answer: Nd7+1...Ra5 2.Q:a5# 1...Ra2 2.Q:a2# 1...Ra:b6 2.Qa5#/Qa2# 1...Rb8 2.Nc8# 1.Qd8?? (2.Qa8#) 1...Rb:b6 2.Qb8# 1...Rb8
