Correct answer: Rg81.Rc6?? (2.Rc1#) but 1...Kb1! 1.Re6?? (2.Re1#) but 1...Ne3! 1.Rg4?? (2.Ra4#) but 1...Nd4! 1.Rg5?? zz 1...Ng3/Ng7/N
