Author: John Coffey
Date: 10:26:20 01/06/02
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On January 05, 2002 at 10:45:26, Pham Minh Tri wrote: >On January 05, 2002 at 09:12:17, Severi Salminen wrote: > >> >>>A question: Which one do you think is better: generate non-capture before >>>history moves or do the history moves (and check if they are valid like checking >>>hash move) before generating non-capture moves? >> >>Usually history moves are not like killers: we don't have a few moves stored >>that we can try. Usual implementation is to mainatain an array history[64][64] >>that holds an integer values for every history[from_square][to_square]. The >>higher the number the better the move has been. So it's not a good idea to check >>the validity of these 64*64 moves :) Answer: I generate non-captures and sort >>them based on their history values. One has of course a lot to experiment how to >>actually increase move's history value and if they should be erased or reduced >>after search is complete. >> >>Severi > >You are right. I just think the idea of use history moves as killer moves but >forget totally about attributes of history moves :) What does this mean?
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