It's surprising and also means that A and B can choose a strategy when they lose 100% of the time: - A always uses A's result as a guess for B's result. - B a

It's surprising and also means that A and B can choose a strategy when they lose 100% of the time: - A always uses A's result as a guess for B's result. - B always uses opposite to B's result as a guess for A's result. They would always lose then.