Correct answer: Kb11.Kb1! zz 1...Qe4/Qe3/Q:e2/Qe6 2.Nc7#/Ng6#/Ne6# 1...Qd5/Qb5/Qf5/Qh5/Qc7 2.Nc7#/Q:e7#/Ng6#/Ne6# 1.
