Correct answer: Qg51...R:c3 2.N:c3# 1...e:f6 2.Qd7# 1.Qg2?? (2.Qa2#) 1...Rf2 2.N:f2# 1...R:c3 2.N:c3# but 1...R:a5! 1.Qg8?? (2.Qd8#) 1...
