Correct answer: N:d51...Bf3/Bg2/Bh1/Bh7 2.Re8# 1.Na4?? (2.Nb6#) but 1...b:a4! 1.N:d5! (2.Nb6#) 1...B:d5 2.Re8# 1...R:d5 2.Ra3#
