Correct answer: Qf21.Qc1?? (2.Qc4#/Qc6#/Qc8#) 1...R:h4 2.Qc8# 1...Rh8 2.Qc4#/Qc6# 1...R:g6 2.Qc4# 1...B:e5 2.Qc6# but 1...Bc3!