Author: Jouni Uski
Date: 23:08:31 12/19/01
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On December 19, 2001 at 23:00:52, Shane Hudson wrote: >Hi all, > >I don't know if anyone else here is interested, but if you want to see a >table showing how often each tablebase material configuration is reached >in practise (with statistics from a large database of master-level games), >I generated the results for a database of over 500,000 games and they >are available at the URL > >http://scid.sourceforge.net/tbstats.html > >You may find this helpful if you only have space or time to obtain a >limited number of tablebases -- but there is no guarantee that the endgames >most often reached in human play are also the endgames most useful to >a chess engine in deep searches, of course. > >It would be interesting to see if these correlate to the actual frequency >of use of each tablebase in a chess engine, but I don't think anyone has >hacked their tablebase-probing code to collect such stats yet. > >Cheers, >Shane Thanks for very interesting statistics! This seems to confirm, that most important 5 piece table is KRP-KR and 6 piece KRP-KRP. Jouni
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