Author: blass uri
Date: 00:27:59 10/11/98
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On October 11, 1998 at 00:17:55, Robert Hyatt wrote: >On October 10, 1998 at 14:51:56, blass uri wrote: > >>I think it is possible to save space by storing only win,draw,loss in these >>tablebases >>when you go to the position with 4 pieces you can generate the tablebase >> >>Maybe it is not practical for blitz but it can be practical for tournament time >>control. >> >>Uri > >I would not want to generate either KBNK or KQKR on the fly... because >I probe *in* the search, and need the result then, not just at the root. You will have the result because I did not say not o have the result of win/draw/loss >And KQKR can't be built in a couple of minutes by anybody yet... the 3-4 >piece files take 3-4 *hours* to build, in total... It is not important to build all the 3-4 pieces files but only the KQKR when you get to the KQKR endgame and you can save it in the ram and not in the harddisk so you are faster. I read that before some years(I think in 1989 but I am not sure) a 6 pieces file was generated by a computer by 6 hours and it found mate in more than 200 in a position of KRBvKNN or something similiar(it was done by a super computer andnot by a personal computer but personal computers are today better) Some quesions: 1)Is it possible to do it in personal computers if you have no problem of time? 2)How much memory was used by the supercomputer to build the table? Uri
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