Author: José de Jesús García Ruvalcaba
Date: 09:52:42 07/28/99
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On July 28, 1999 at 03:34:31, Michel Langeveld wrote: >[snip >>>> 1870 files (according to my computations which can be wrong) are required for >>>>full six-men tablebases. If we take them uncompressed, I think we are close to >[snip] >>>I think you counted wrong. Did you included the fact: >>>-KBNK and KNBK is the same table. >> >>Yes. >> >>>-KPKB is the same table as KBKP. >> >>Yes too; but KBKP needs two files, one with white to move and one with black to >>move, and I took in account this fact too. >> >>> >>>So the real number of tables is far below 1870 >> >> I do not think so. I did not recheck my computations, and there can be a >>mistake, but I do not think the real number is "far below". But anyway this is >>an easy combinatorics problem, you should be able to solve it yourself and post >>your result. >> >I remembered a program called namegen. This program is(was) available at >bob's FTP site. > >It proceduces the folowing output with namegen 5 5. If you notice same tables >you think are missing then let me know. The total amount in this list is 110. > >According to this program I get the folowing table: >#pieces | #tables > 2 1 > 3 5 > 4 30 > 5 110 > 6 365 > 7 1001 > 8 2520 > 9 5720 >10 12190 > >list of all 5 men tables: [list snipped] I was counting six men tablebases, not five men. Anyway, I will recheck my computations this weekend and post my result with some details. José.
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