Author: Adam Oellermann
Date: 06:47:56 08/02/01
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On August 02, 2001 at 08:15:37, Marc van Hal wrote: >On August 02, 2001 at 07:03:06, Adam Oellermann wrote: > >>Hi everyone, >> >>I have reached that point in the lifecycle of Blikskottel where I am thinking >>about building an opening book. I am writing Blikskottel in order to win a bet, >>and one of the terms is that *no* code is to be taken from other chess engines. >>Therefore I need to write all the opening book stuff from scratch. >> >>My question is this: what kind of strength benefit can I expect from >>automatically building an opening book out of a database of GM-level games? >>Blikskottel currently rates around 1850-1900 on FICS, but is often forced to >>play very awkward positions resulting from inferior opening play. >> >>Many thanks >>Adam >> >>PS: I know that a better plan would be to build a "hand-tuned" opening book, but >>there are a few problems: >>- under the terms of the bet I would have to do it *myself* >>- I am a rather weak player (maybe 1500) >>- I don't really have the time or inclination anyway > >Something which can help is if you want a small openings book use Kasparov's >games most of the time computers do agree with these moves. >But i also have a database with 35.000 games which is prety good for an >openingsbook >containes games from 2600 rated and above and analyses I have a similar database, as well as larger databases from 2450+ players etc. I'm trying to find out what experience other programmers have in terms of the strength improvement of no opening book vs. automatic-generated opening book. This will give me an idea as to whether it's worth the effort now, or if I should concentrate on other areas and come back to opening books when the engine is stronger. Thanks Adam
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