Author: Robert Hyatt
Date: 06:35:51 01/09/98
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On January 09, 1998 at 01:12:02, Mark Young wrote: > I few days ago I downloaded an endgame tablebase generator. I thought >it would be fun to make some five piece tablebases for M-chess pro 7. I >would like to Know what are the best 5 five piece tables to make? > >Right now I am making KRPKR but to do this I must first make >KRNKR,KRRKR,KQRKR I have KBRKR form M-Chess pro so i dont have to make >it. (thank god. as it took 110,000 sec to do KRNKR) > >After I make all of the needed 5 piece tables to make KRPKR and I >generate KRPKR. Is it ok to delete KRNKR, KRRKR, and KQRKR ? As this >seems to be a waste of disk space. > > > Mark Young I think you are on the right track. One example: other night Lonnie was playing Crafty using Hiarcs. In both games, Crafty won a pawn, but the games stabilized and ended up in king+rook+pawns for both sides. In both games, crafty won, because it knew when to trade the next to last pawn and leave itself in a winning position. Without KRPKR, these would have likely ended in draws. In computer vs computer games, I am seeing a *lot* of KRP vs KR endings. Crafty almost always draws when it doesn't have the pawn, and almost always wins when it does... Do *not* delete those files or you will get odd results. IE imagine a case where you are in the KRPKR ending, and you find you can promote the pawn. Without KQRKR, you won't promote to queen, because you know KRPKR is a mate in N ending, but you probably can't see that KRQKR is a mate as well, without the database...
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