Author: Mogens Larsen
Date: 04:05:36 05/25/00
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On May 24, 2000 at 18:05:24, Robert Hyatt wrote: >Easy. At present, about 1/2 of the time it correctly predicts the opponent's >move, and can make a move using little of its own time. saving about 1/2 of >the total time. How would you improve on that? If you pick the best 4 moves, >and searched them equally (during pondering) then after your opponent moves, >you have spent 1/4 of the normal time on the move he played. You save 25%. >25% is < 50%. If you pick the best 2, you could save 50% total. Which is >what it is already saving. Predicting the right move is obviously a very good thing regarding the allocation of time spent on search. What happens when Crafty ponders the wrong move, especially at faster timecontrols. Couldn't it actually hurt the program searching from almost scratch (increase in hashtable conflicts?) if that is the case? If that is the case, is pondering effective at all when it comes to blitz games. These questions come from a discussion I had with Chessfun, who discovered that AnMon tends to ponder "silly" moves from time to time, but it didn't seem to hurt its performance at faster games. Best wishes... Mogens
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