Author: William Penn
Date: 05:31:09 11/13/01
I suspect this has been discussed before but I didn't pay attention, so please pardon my redundancy. If you could just point me in the right direction, much appreciated... Can't we make some assumptions without compromising very much practical playing strength and significantly reduce the size of the endgame tablebases? For example it seems a waste to generate separate positions for "white to move" and "black to move". Surely there is a reasonable simplification in that regard based on symmetry. Promotion of a pawn to less than a Queen is rare and could be disregarded. Perhaps castling can be disregarded because it seldom happens in the endgame. I suppose we must keep en passant(?). I'm guessing that the size could be reduced to perhaps only 1GB for all of the 3-4-5 piece positions vs the current 7GB. That would also make it more practical to generate 6-piece positions. Anybody know how? WP
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