Then, prior, safe subgame solving techniques, and nested subgame solving, this idea of applying subgame solving repeatedly as you go down the game tree. That is 12 times less exploitable than the prior state of the art, which is to just say, well, if the guy bet $60, and we have in our precomputed solution, a strategy for if he had bet $50, then we'll round it, and treat it as if you had bet $50 instead. That was the previous state of the art. So, this is 12 times less exploitable than that in Heads-up No-Limit Texas Hold'em.