Correct answer: Nf51...b5 2.Qc5# 1...Nc4/Nd1/Na4 2.B:c4# 1...Ng2/Ng6/Nh3/Nh5/Ne2/Ne6/Nfd3 2.Qe6# 1...f5 2.Qe5# 1.Qf7+?? 1...N<