Author: Robert Hyatt
Date: 07:19:27 02/12/99
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On February 12, 1999 at 02:27:13, David Blackman wrote: >On February 12, 1999 at 01:13:44, Stuart Cracraft wrote: > >>Fellow Chesspians, >> >>I am curious what your result was in implementing >>thinking on opponent's time in your programs. >> >>Any comments on what you saw in terms of performance/strength >>as a result of, if any, would be helpful. >> >>For example, how often did it guess the opponent's move? > >About 50% for any reasonable opponent. > >>How much "free" time did it get with this feature? > >I guess it's about an extra 50%. More if you have to operate >the program by hand against a human opponent. > >>How much more strongly, if at all, do you think it played? > >Objectively, not a lot. Better i think, but not really >enough difference to notice much. But against a human opponent >it has a great practical advantage. Making reasonably good >moves instantly reduces the opponents thinking time and >"upsets their rhythm". > it has a definite strength advantage. Because if you predict well, and 50% of your moves are 'zero time moves' then the program has become 2x faster, because it gets twice as long to search. And 2x is a measurable speed increase... >>Thanks, >> >>--Stuart >> >>P.S. Yes, I have already implemented it. No, I have not tested it >>in practical play against others.
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