and to change the rules around um you can change the rules of chess however you can't really assess how the game would be played by humans uh if the rules were changed because you don't have a thousand years of the entire humanity studying these new rule sets and therefore you're kind of stuck with assessing the games from the perspective of someone who has learned the old rules but reinforcement learning to the rescue so consider the following rule changes no castling this is a really simple rule change no castling castling is disallowed