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Subject: What parameters control tablebase access in Shredder704.eng?

Author: William Penn

Date: 21:25:40 12/03/03



There's a parameter box to check, "Use Tablebases", but something else must be
affecting tablebase access...

I found a late middlegame/early endgame position which has no tablebase access
even if I let it run a very long time (several hours in infinite analysis mode).
Then after I make three obvious halfmoves, heavy tablebase access begins
immediately.

Unless this is a bug(?), some kind of tablebase cutoff variable is presumably
involved. Could it be the "Forward Pruning" parameter? I don't see anything else
that would affect it, except possible "Threads".

I haven't found any explanations of those Shredder704 engine parameters. Have
you?
WP



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