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Subject: Transposition table questions

Author: Stanislav Goldovski

Date: 05:48:03 04/04/98


Dear CCC-members,

I have a few questions concerning programming
transposition tables. Any help is highly appreciated!

1. What possibilities are there to increase the efficiency of
   hash tables for a given size? For example, I read that
   one shouldn't let horizon positions overwrite the more
   important positions near the root. Is that correct?
   If yes, how is that implemented?

2. What app. speed increase should I expect in the middlegame,
   due to the better move ordering from the hash table?

3. I heard that hash tables are more effective at higher depths.
   In other words, they will bring more with higher time controls.
   Is it so, and if yes - why?

Thanks a lot in advance for your help,
Stan



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