Correct answer: Bg61. Bg6! waiting 1... f:g6 2. Qf8+ 2... Kd7 3. Qd8# 1... f:e6 2. Rd2 ad lib 3. Qf7# 1... f6 2. Qd1 ad lib 3. Qd8# 1... f5 2. Qf4 waiting 2... Kd7
