Correct answer: O-O1...Nh4/Nh6/Ne3/Ne7/Nd4/Nd6 2.B:h4# 1...Nh5/Ne6/Ne8 2.Rh3# 1.R:g7?? (2.Rh3#) 1...N:g7 2.Bh4# but 1...B:g7
