Author: Frank Phillips
Date: 13:37:28 06/28/04
Go up one level in this thread
On June 28, 2004 at 16:22:13, Robert Hyatt wrote: >On June 28, 2004 at 16:09:24, Frank Phillips wrote: > >>On June 28, 2004 at 12:43:10, Robert Hyatt wrote: >> >>>On June 28, 2004 at 12:37:42, Dan Honeycutt wrote: >>> >>>>On June 28, 2004 at 08:54:00, Anthony Cozzie wrote: >>>> >>>> >>>>>settings, and then N games with the new settings. I am only really interested >>>>>in longer timecontrols: 20 min + on an Athlon 2.0G or so (70 min on P-650, etc), >>>> >>>> >>>>Why long time controls? I thought you could test evaluation with shorter time >>>>controls, search needed longer (or varied) time controls. Am I out in left >>>>field? >>>> >>>>Dan H. >>> >>> >>>My personal belief is that longer controls are better. Short games rely heavily >>>on the search, and leaves a better chance for random luck to influence the >>>outcome. Deeper searches tend to make fewer tactical mistakes, leaving the >>>outcome to the quality of the evaluation.... >> >>Two questions for clarification: >>Does this presuppose diminishing returns? > >Not particularly. What it presupposes is that one search might be more likely >to make errors on shallow depths than another. IE my simple q-search vs a more >sophisticated q-search. While at long time controls my q-search appears to work >just fine... > Yes I was assuming the same program (search). > >>And what quality is the evaluation measuring that is different from the prospect >>of future tactics? > > >future tactics != tactics. Tactics are dynamic. Evaluation is static. But if >you think about it, who would be happy using just their evaluation with no >search, to play games? Why is that? Because the search is set up to handle >dynamic things by shuffling pieces, the evaluation does better on positions >where everything is static (quiet)... > Yes, how stupid of me. But again I was wondering about diminishing returns. (Theoretically, I would take an infinitely fast searcher over any evaluation function.). > > > > >> >>I find these tactics versus evaluation debates hard.
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