Correct answer: d:c31...Ke6 2.Bc4# 1...Nc4 2.Bf3# 1.d:e3? zz 1...Ke6 2.Bc4# 1...Ne8/Nf5/Nf7/Nc8/Nb5/Nb7 2.e4# 1...Nc4 2.e4#/Bf3#
