Author: Bruce Moreland
Date: 14:18:02 08/08/01
Go up one level in this thread
On August 08, 2001 at 16:43:39, Martin Giepmans wrote: >Yes, I see your point. Now the question is: is there always pollution? >I think 2 conditions are necessary: >(1) The score (+0.20) is influenced by a drawscore that is based on *external* >repetition. >(There is no problem with the influence of internal repetition) No, this is false. You can get to the same position at the same depth in the same iteration, and have subsequent moves with different repetition consequences. >(2) The influenced score is stored in the hashtable and used in the next >calculation, after the opponent has moved. >(There is no problem if the scores are used in this calculation) > >Proposition: Cutting off based on "old" hashtable scores is nonsense. > >Rip it out! :) >(I did) Put it back. Even if your first contention were correct, is an unstable large tree worse than a stable smaller one? The winner in a hot-dog eating competition is not necessarily the most fastidious. A certain amount of mustard in your hair is alright if you get the most dogs down. bruce > >Martin
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