Correct answer: Qa61...c4[a] 2.Qc6#[A] 1...Nd4/[б]/ 2.c4#[Б] 1...Ng7/Nh4/Nh6/Ne3/Ne7 2.Qe4# 1.Qg4? (2.c4#[Б]) 1...c4[a] 2.Q:f5#[D] 1...Nd6[d] 2.Qe6