Author: Uri Blass
Date: 02:10:19 05/29/04
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On May 28, 2004 at 21:27:16, Dann Corbit wrote: >On May 28, 2004 at 19:52:41, Gian-Carlo Pascutto wrote: > >>On May 28, 2004 at 19:22:20, Peter Berger wrote: >> >>>Isn't this a similar situation Sjeng faces itself? >> >>Yes. (But I'm not the one claiming to be a title candidate here) >> >>>As you stated, there _were_ a few of the top professionals competing in the >CCTs in the past, and Crafty was quite competitive. >> >>And yet they don't believe in your chances at the WCCC - doesn't >>this make you think? > >I am guessing that the latest professional programs are not NUMA ready yet, >though probably Deep Sjeng is. > >I am guessing that if Dr. Hyatt gets an 8 CPU 64 bit machine, his program could >easily win (not to be confused with win easily). It would be competitive on a >dual, with maybe a 15% chance of winning (SWAG). > >The faster the hardware, the better crafty does. I think (compared to others) >crafty scales better. That would indicate better algorithms and inferior >microoptimization. No I do not know if it is the case but even if Crafty does better at longer time control relative to other it does not prove it. 1)it may be a result of diminishing returns. It is possible that if you add crafty loops that do nothing to do it twice slower you will find that the slow crafty does better at long time control when it is only 50 elo weaker than fast crafty when in blitz it is 70 elo weaker than fast crafty. 2)Another possibility is that Crafty has better book than the books of sandro or the book of kure and in that case at blitz programs do mistakes so the position out of book is less important but at long time control the position out of book is more important. There are some people who assume as obvious that the book of kure or sandro are better but I assume nothing as obvious. Note that good book is not only about better moves but about moves that fit to the style of the program. Uri
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