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Subject: Maximum benefit of permanent brain?

Author: Jeff Lischer

Date: 07:54:42 11/12/00


It seems if you correctly predict the opponent's move 100% of the time, this
would correspond to doubling your available time (you would be thinking on your
time as well as your opponent's time). If a doubling of speed results in an Elo
improvement of 60-70 points, is this also the maximum benefit for permanent
brain? With diminishing improvements at longer time controls, the benefit might
be even less?

If the above is correct, then what about the case where you correctly ponder
only 60% of the time. This seems like a pretty typical value. Then is the
benefit only about 40 Elo points?

Are there any other approaches to permanent brain that might be more effective?
At first I was wondering about simply searching on your opponent's time like you
do on your turn -- using selective searching to focus on the best moves. But
then I thought of another possibility. What about a different kind of searching?
Maybe search using lots of knowledge during your opponents time trying to
develop a plan? Or maybe do a fast selective search looking for killer tactical
shots?

Humans think differently on their time versus their opponent's time. Maybe
computers would benefit from doing the same? I don't know enough about chess
programming, however, to know how (or even _if_) the results of that "opponent's
time search" could get passed to the "your time search". Would hash tables be
sufficient?



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