Correct answer: d41...d6 2.Qf7# 1...Nc5 2.Nc7# 1...a6/a5 2.Nb6# 1...e4 2.Rh5# 1.Rc5+?? 1...N:c5 2.Nc7# but 1...K:c5! 1.Rc3?? (2.Nc7#) but 1...B