Author: Victor Zakharov
Date: 12:48:46 07/11/03
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Hi Les, On July 10, 2003 at 17:18:16, Les Fernandez wrote: >On July 10, 2003 at 06:58:43, Victor Zakharov wrote: > >>>Some time ago I remember reading that someone was able to take CAP data that has >>>been collected and analyzed and wrote a program that generated 4 times the >>>number of positions in the entire collection that were all unique positions! >>>does anyone remember this and what has been done with it or is it still being >>>worked on? I dont remember any of the details but remember it sounded very >>>interesting. >> >>Sorry, I don't understand what youn mean. >>Current CAP as a rule contains all positions that were at least in two games. > >Hi Victor, > >What I think he was referring to was some time ago I wrote an app that took the >analyzed EPD's on Dann's site (at that time there was about 6,000,000 positions) >and generated an additional 18,000,000 positions in about 30 minutes bringing >the total up to 24,000,000. These extra positions were as sound and accurate as >the original positions. What was nice about this is that it required no >analysis engine and was done strictly based on symetries and current analyzed >positions. In fact I have also thought of other ways of accomplishing a further >increase for the number of positions but have not had time to continue it. I >think at one point they were posted on Dann's site but I have been so busy I >have been out of the loop for a while but hope to continue these studies in >chess that I had started a while ago. I miss this stuff and hope to be jumping >on board again shortly. Hey Dann if you are reading "HELLO" > >Les Thanks, I understood. Surely it can be usefull for some purposes. But for me the main problem of CAP is not the number of positions. Making evaluations more reliable is the trouble. Victor
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