Correct answer: Na41...c3 2.Bb3# 1...e3 2.Bf3# 1...R:f5/R6f7/Rd6+ 2.Rd6# 1...N:f5/Ng8/Nc8 2.Qe5#/Q:e4# 1...Ng6/Nc6 2.Q:e4# 1.Qf7+??