Correct answer: O-O1...B:g3+ 2.h:g3# 1...Rf8/Re8/Rd8/Rc8/Rb8/Ra8/Rh8 2.Q:g7# 1...g4 2.Q:h4# 1.h3?? zz 1...Rf8/Re8/Rd8/Rc8/Rb8/R<