Author: Peter Berger
Date: 17:43:37 11/25/00
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On November 25, 2000 at 19:31:19, stuart taylor wrote: >Of course it is always nice to see a great program win at odds of a good opening >book. > You can't really judge the strength of programs by ensuring that its opening >book is always superior to that of its rival. > (tests should be carried out without opening books too!) >S.Taylor Opening books are an important part of every chessprogram IMHO. The difference in strength between the top programs is very little and they use similar weapons ; so starting the game with a significant advantage or at least avoiding to start the game with a big disadvantage will pay off more than it would between very different opponents ( like a comp and a human ) . Also there seem to be few really independent strong novelties never published before ( as the bookcooks are not of the same playing strength as the strong human masters who publish their analysis so its somehow a fight with similar sources ) . I agree that "Major Upset!!" is a little too much :-)) But a nice example for my point of view is a recent match of Bringer 1.8 beta against Gambit Tiger ; Bringer 550Mhz , GT 300Mhz ; Game in 1 hour , Gambit used the GUI book : the match ended 7-7 . Changing the book to "Use Engine books " ( the _real_ Tiger book ) resulted in better scores for Gambit . It would be nice if chessprograms excelled in opening play just by their superior understanding and calculation but after all : even human GM's don't . I just fear that some day _all_ opening books will be written by Jeroon Noomen and Alex Kure :-) . Even now a match Fritz-Nimzo or Century-Tiger already sometimes feels like an internal book test . pete
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