Author: Eelco de Groot
Date: 16:07:01 10/30/99
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On October 30, 1999 at 06:19:30, Ed Schröder wrote: >>Posted by Fernando Villegas on October 29, 1999 at 19:58:34: > >>Hi Ed, I hope you are around this place: >>I remember Tiger setting was good in Rebel 10 for comp Vs comp playing, But >>I am not so sure if exactly the same thing happens with century. After a careful -I >>believe- reading of the manual, I have not seen nothing detailed about it. I >>like to play -me, not another comp- at 40 moves/one hour, nothing more. Do you >>recommend or not Tiger "pluging" in this case? Thanks. >>Fernando > >I have mixed feelings on the Tiger option. I have mixed results too, from >extreme good to bad results. Christophe and I discussed this during Paderborn >and came to the conclusion his technique needs some final tuning before running >optimal in Rebel, a matter of time, I hope. Of course the TIGER technique >itself gives Chess Tiger a real push as it is fits in Christophe's approach >and way of doing things. > >Christophe and I often come to the conclusion our programs are totally >different in approach and we learn a lot from each other. Lots of fun too. > >To avoid the fluctuations in match scores the Tiger option isn't rewarded in >Rebel's default settings. > >Hope this answers your question. > >Ed Ed , could you maybe say something more about which kind of positions the Tiger technique for Rebel handles well and which not so well? The Winhelp manual for Century recommends System Tiger especially for older machines, I suppose because then its high selectivity gives better results. If that is the case it should also do well in comp-comp blitz-games I would think, so for instance as an opponent for the BLITZ_PERSONALITIES? Can this be done? I don't believe there is a way to use System Tiger inside a personality? On the other hand the Tiger technique was also used in the special Rebel ECTool engine and I think it worked fine there with marathonsize analysis- times. Of course I used a rather slow PC for that too... Is the problem mainly one of reducing selectivity because Rebel itself already prunes/gives less time to a lot of moves at the root with different techniques than Tiger? Sorry Ed, I haven't gotten around to much testing of Rebel Century yet. On the 386 I have two very slow harddisks so I will see if I experience some of Jim Walkers problems there, with the harddisk activity under DOS. Couldn't it be the result of AUTO232? Jim, maybe if you are reading this, do you still see the same effects under DOS if you don't use the 'A' parameter anymore in the command-line? Regards,Eelco
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