Author: Uri Blass
Date: 05:38:50 01/11/03
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On January 11, 2003 at 08:23:43, Frank Phillips wrote: >"The next question is, and many people are asking it, do we know how Deep Junior >compares in strength with Deep Blue? The really interesting thing, from the AI >point of view in general and for computer chess researchers in particular, is >that Deep Junior examines something like one percent of the number of positions >per second of Deep Blue. But despite this Deep Junior may well play better chess >because its "understanding" of the game is better. It appears to have more chess >knowledge and understanding in its evaluation function than Deep Blue did, and >this compensates for the difference in positions-per-second.." Extract from >Levy on Chessbase.com site > > >From what I read in Behind Deep Blue I find this surprising. But then again, I >no nothing about Junior other than it is an awesome program. I think that comparison between the quantity of evaluation is meaningless. The right comparison is comparison of the quality. It is easy to add a lot of knowledge without testing for bugs but the result will be a disaster. It is possible that the program that has more knowledge and understanding simply understands things wrong because of bugs or understand the wrong things. I think that discussion about Deep blue's evaluation is meaningless unless Deep blue team post the source code of their evaluation. people simply are not going to agree. If deeper blue post the source code of their evaluation then it will be possible to compare it by changing the source code of the free programs to have the same evaluation as deeper blue's evaluation and use games with fixed number of nodes per move. Uri
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