Correct answer: O-O1...Kg3/B:g5/Bc4/B:d3/Ba4/Ba6 2.Bf2# 1...K:g5 2.Be7# 1.R:b5?? (2.Bf2#) 1...K:g5 2.Be7# but 1...c:b5! 1.Be3?? zz