Correct answer: O-O-O1...e6/e5 2.Bd8# 1...Bc3/Ba3 2.Qa4# 1...B:d2+ 2.B:d2# 1...B:c5 2.Q:c5# 1...Nh2/Nh6/Nf2/Nf6/Ne3/Ne5 2.Q:b4# 1.
