Author: Uri Blass
Date: 15:14:56 09/03/04
Go up one level in this thread
On September 03, 2004 at 17:30:18, Stuart Cracraft wrote: >On September 03, 2004 at 16:52:34, Andrei Fortuna wrote: > >>On September 03, 2004 at 15:41:42, Stuart Cracraft wrote: >> >>>On September 03, 2004 at 05:08:01, Andrei Fortuna wrote: >>> >>>>This makes me think how funny would be if two engines play, engine A would have >>>>all kinds of those extensions in case of check etc, engine B would have >>>>implemented a good eval function (with many terms regarding positional play) and >>>>in the match engine B leads engine A towards the positions where engine A >>>>discovers those mate attacks and so forth ahead of engine B, but he is on the >>>>losing side due to B's positional play. >>> >>>I think this kind of self-play event and auto-tuning and genetic algorithms >>>in general are under-estimated by the computer chess programmers. Just >>>because good results haven't been generated and there is no easy "elixer" >>>doesn't mean we shouldn't be trying it. >>> >>>Think of the time-savings. Heck, your auto-tune doesn't have to produce >>>Bob Hyatt hand-crafted Crafty evaluation coefficients for terms you have >>>to find and prove first -- but even if you don't produce something other >>>than what you are doing now but saving a lot of time, then you have profited >>>more. >> >> >>Hi Stuart, >> >>Wasn't talking about auto-tuning, just was thinking that if someone invests in >>evaluation function versus someone who invests in various extensions - the >>former wins the game. Of course in reality programmers usually take care of both >>areas ... >> >>Andrei > >Yes -- I understand you weren't -- but there is a big savings if you do >it right. > >For me, it is worth investigating as I don't want to spend the rest of >my life tuning evaluation functions. I believe that I can earn more from adding new knowledge relative to tuning. Tuning can be done not automatically based on watching problems that repeat in games. Uri
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