Author: martin fierz
Date: 01:15:34 04/11/02
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On April 10, 2002 at 15:56:54, Alvaro Jose Povoa Cardoso wrote: >For checkers EGTBs I store only 'black to move entries'. >For 'white to move' I reverse the board and exchange colors. >Using 32bit bitboards I need to reverse (mirroring) the board bitboards and the >exchange the colors. > >Thank you all, >Alvaro Cardoso hi alvaro, have you written your own program by now or did you adapt mine? if you are doing the second, then the answer to your question is "it's irrelevant" - and probably the answer is the same if you wrote your own program... my generator took 5 weeks on a XP1600+ with 1GB ram to build the 4-4 database (and anything smaller). once you have this, you will never need to compute it again... another point is that in spanish checkers, you should be much faster building the db, because AFAIK kings sweep, and you have lots more captures which take you in smaller databases much faster than in english checkers, i.e. the number of passes per db you have to do should be much smaller. in the meantime, i have compressed my database, and am working on the access code. believe me: this is the part you have to do right - not the db computation itself. aloha martin
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