#Chess against stockfish how to#
For instance, for a game where you don't know how to evaluate positions, you can sometimes just use alpha-beta search with a random evaluation function. This makes the games less boring and there is an idea that it helps capture a dynamic notion of mobility. Sometimes engine authors will explicitly add a small random number to every evaluation of a leaf. In multi-threaded engines, the interactions between threads will introduce differences in search between runs. The precise content of the hash tables will vary from one execution to the next, again because of timing differences, and this can sometimes make some tactic be found at a different depth. Details of timing will sometimes make the same program pick one move over another. If the precision of the evaluations is not very fine ("centi-pawns" is typical and not very fine), there are often several moves with the same score. There are several ways in which what you say is not true. This is honestly all academic as I have a hard time seeing a strongly solved tablebase ever existing, even in billions of years with super-AI at the helm, because the number of possible positions in chess is just too daunting.Ĭhess engine author here. It’s similar to today where stockfish vs a 7 piece tablebase can make a move that puts it from strictly drawn to strictly losing, and it’s astronomically less likely it would succeed vs a “perfect” tablebase. Current SF would have to literally always create a drawn position as a result of its move to win (which is highly unlikely). A computer in 77 years will be able to know exactly what Stockfish 15 or 16 is going to respond with in every scenario so it’d be able to formulate a game plan to coax current SF into a position that is strictly losing even if it spent most of the game in drawn positions.
Totally understood, but given that we’re talking about a strongly solved engine, playing out the game is purely a formality as the result isn’t in question. Please continue to give us your feedback and suggestions on how we can help make /r/chess better for everyone. Use the message the moderators link if your posts or comments don't appear, or for help with any administrative matters. Twitter/Facebook posts must contain a direct link to the tweet/post, and include the author's nameĬhess Spoiler format for problem answers etc., Instructions for /r/chess PGN addon ( Chrome, Firefox)ĭon’t engage in abusive, discriminatory, or bigoted behavior.ĭon't ask for advice about ongoing games.ĭo not use /r/chess exclusively to promote your own content. News Puzzles Games Strategy Twitch Other Resources
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