Author: Vincent Diepeveen
Date: 22:34:32 10/13/03
Go up one level in this thread
On October 13, 2003 at 16:44:22, Gerd Isenberg wrote: >On October 13, 2003 at 15:57:12, Ulrich Tuerke wrote: > >>On October 13, 2003 at 14:56:57, Gerd Isenberg wrote: >> >>>On October 13, 2003 at 14:19:14, Christophe Theron wrote: >>> >>>>On October 13, 2003 at 13:09:03, Charles Roberson wrote: >>>> >>>>> >>>>> You make the statement that Diep is a positional engine and you chose it based >>>>>on that. So, why did you run G/5 matches? At G/5 tactics and search depth >>>>>is crucial. >>>> >>>> >>>> >>>>I would like to bring to your attention that tactics and search depth are >>>>crucial at any time controls in chess. >>>> >>>>Showing dimishing returns from increased search depth is so difficult that in >>>>practice there is little difference between blitz and long time controls. >>>> >>>>If engine A gets a beating at blitz, expect it to get the same beating if you >>>>repeat the match with long time controls. >>>> >>>> >>>> >>>> Christophe >>> >>>Christophe, >>> >>>couldn't it be, that engines have some odd/even sympathy/antipathy? >>>If the characteristic line of this property is to be out of phase between two >>>programs, i can imagine that one is a better blitzer but the other the better >>>medium time player. >>> >>>And what about fast against slow with "more" or "better" knowledge. At blitz >>>time control the the linear speedup (fast/slow) may be more important. But due >>>to superior branching factor at sime time the "better" knowledge pays off and >>>the match tilts. >>> >> >>Gerd, I think that your questions are more or less of the rhetorical kind. >>We all know that these effects exist, remembering for instance the good old >>MChess which had been rather weak at Blitz and strong at longer time controls. >> > >Hi Uli, > >i guess Christophe found some way to achieve a rather continuous performance per >time characteristic, in conjunction with fast speed _and_ good, constant >branching factor. > >>IMHO, a result of an engine-engine match like the one mentioned by Djordje isn't >>unusual at all. It happens more often than intuition may expect; engine-engine >>matches sometimes tend to exaggerate differences in playing level. A better base >>is to compare their results against a whole spectrum of opponents. >> > >Yes, for sure. > >>Greetings, >>Uli > >> >>PS do you participate in Leiden ? If so, best wishes ! >> > >Thanks a lot, i'll hope that helps ;-) > >Cheers, >Gerd That's politely said Gerd. You could also say he has the speed but not the improvement that belongs to it when getting more time :) Also he's like genius, preprocessor.
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