Correct answer: O-O1...Rg5/Rf8/Re8/Rd8/Rgc8/Rb8/Ra8/Rh8 2.N:g5# 1...R:g3 2.N:g3# 1...Rc5/Rc3/Rc7/Rcc8 2.N:d6# 1...R:c2 2.B