Author: Chris Carson
Date: 11:44:41 04/29/02
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On April 29, 2002 at 13:56:58, Roy Eassa wrote: > >How do longer time controls affect humans and computers? > >For humans, the extra time mainly provides better "debugging" of one's analysis. > It also gives more chances to find different lines and greater depth, but these >are quite secondary for human GMs, IMHO. > >For computers, better debugging is (almost) not an issue. They make no tactical >errors within their horizons. What the extra time gives computers is mainly >greater search depth. But doubling the time does not even add 1 ply usually. > >So, which factor makes the bigger difference, GMs getting debugging that's twice >as good or computers getting less than 1 ply of greater depth? > >When GMs lose to computers, it's *almost always* due to insufficient debugging. >Doubling the time (for example) can make a HUGE difference here. > >When computers lose to GMs, it's *occasionally* due to insufficient depth that >could be cured by doubling the time. > >Obviously, both humans and GMs play stronger on an *absolute* scale when given >more time. But I think it's most likely that GMs benefit *proportionally* much >MORE than computers do from the additional time. The linear extrapolation works well for machines. It does not work well for people. People are more complicated and non-linear than this simple analysis. In general, more time helps the person perform better, but not in all cases. There is an optimum time/performance for each person and stress (time pressure included) can improve performance, not just reduce it.
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