Correct answer: Qf71...e3 2.Bd3# 1.Bc8?? (2.B:d7#) but 1...e3! 1.Qf7! (2.Q:d7#) 1...e3 2.Bd3# 1...N:e5 2.Ne3# 1...N:f6 2.Bc8# 1...Nf8/N