Correct answer: N:d31...Bc7 2.Re8# 1...Nb5 2.Qa8# 1...Nc8 2.Rd7# 1...c2 2.Qh8# 1...e:f3 2.R:d3# 1.Q:a7?? (2.Qa8#/Qb8#) 1...Ra3 2.Q:b6#/Q