Correct answer: Q:b51...Kd4 2.N:f3# 1...d4 2.Q:e4# 1...Bf5/Bg6/Bh7/Bd3/Bc2/Bb1 2.Q:d5# 1...b:c6 2.N:c6# 1.Re1?? (2.Q:d5#) 1...Qf7 2.N