In maaa day kids used to rock n roll dance.

That was absolutely great! He just turned equilibrium in on itself, to be what he thought was fair I am sure! I am sure most people got what he was doing, but it is such a great tactic, it is worth explaining in long form.

So this game theory is based on 2 things:

If you choose steal you can either get everything, or nothing
If you choose split you can either get half , or nothing

In this, it is always the better proposition to steal, the risk is the same with a better pay off. It is of course, the more morally dubious because you (until this guy) need to lie in a believable fashion that you will choose split even though you plan to steal. This is the basis for may different game theory zero sum systems. The genius here is the double tactic. He is actually taking ALL of the risk (afforded him, as he is going to choose split) and only risking half of the reward, but on the reverse notion that he is going to steal when he is actually going to split. He is trying to get the fair outcome by convincing the other person the only fair outcome that could possibly happen is for him to act in the fair way ( split ), because he is planning on scorching the earth. This tactic is much like King Solomon's baby tactic, only the man who really wants the prize money will choose to go along with this plan. The person whom is here for spite will cause them to loose it all, so he placed all his chips that he was a good man, and since he was, the baby, in this case 6 large ones was his. This is an absolutely brilliant way to solve a zero sum gain where you take all the risk of the liars position with only half the reward. Thanks for the share, and sorry for the over share, this was just really exciting to the logic side of maaa brain!