Author: Uri Blass
Date: 12:38:59 07/16/04
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On July 16, 2004 at 15:02:56, John Hamlen wrote: >Hi there, > >I'm putting together a table of "vital statistics" of all the programs that >competed in Tel Aviv, however I'm missing answers to 2 of the questions for >Crafty: > >1) Opening book size? >Peter gave me what he said was a very rough guess (500K positions I believe), >but advised me to contact Bob directly. Bob, are you here? I can note that the book that I used was not constant. In the beginning of the tournament I used a small book that I wrote of few hundreds of positions but later I decided to use a bigger book that Dann corbit wrote in a short time in the game against crazybishop(round 5). The book of Dann Corbit is based on pgn of games of strong players when white won or black drew and won. I did not like the position that I came into after book(negative evaluation with white) so again I used a small book in the games later but again I did not like the book in the game against shredder so in the last 4 rounds(rounds 8-11) I again used a bigger book. I am not sure if the book of Dan Corbit is better than the book that I have but I prefered the book of Dann Corbit in order to be less expected. Movei with it's small book does well so far in Leo's tournament and I do not assume that bigger is better. Movei with Dann Corbit's book does well so far in the infinite loop. Uri
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