Author: Christophe Theron
Date: 20:59:28 05/02/00
Go up one level in this thread
On May 02, 2000 at 22:33:43, Fernando Villegas wrote:
>On May 01, 2000 at 20:17:03, Christophe Theron wrote:
>
>>On May 01, 2000 at 17:41:21, Bertil Eklund wrote:
>>
>>>
>>>Played on 2 AMD450 K6-2, auto232 no problem at all. 5min blitz.
>>>
>>>Nimzo7.32-Genius6.5 35-27 (62)
>>>Hiarcs7.32-Genius6.5 43,5-30,5 (74)
>>>
>>>Not so bad!?
>>>
>>>I believe that Hiarcs and Nimzo is about 200 elo stronger than Genius6.5 in
>>>2h/40.
>>>
>>>Bertil
>>
>>
>>I completely agree that this is not too bad, and I also agree that the
>>difference is bigger at long time controls.
>>
>>But as you know, Bertil, there was a time when such an experiment would have
>>been considered as unfair for its opponents, as Genius was standing well above
>>the pack in blitz.
>>
>>It would be interesting to replay the matches at 2min/game. I'm sure there is a
>>point where Genius outperforms its opponents.
>>
>>In my opinion, and I apologize if this is a bit technical, Genius performs less
>>well at long time controls because of its Effective Branching Factor.
>>
>>That means that Genius is less effective than other programs in pruning out
>>moves in deep trees. The complexity of its tree grows more than the complexity
>>of other top chess programs trees. The difference gets bigger and bigger with
>>increasing depths. I think this could be shown by measuring the times needed to
>>complete searches of increasing depths, and by plotting the times of Genius and
>>the times of other chess programs.
>>
>>Anyway I like a lot the Genius programs. They have very stable evaluation
>>functions and their search is still efficient at fast time controls. I still use
>>Genius 5 as a sparring partner for Tiger from time to time, and I have bought
>>the Palm version of Genius.
>>
>>Great program, a legend I would say. Any computer chess lover should have at
>>least one version of Genius in his collection.
>>
>>
>>
>> Christophe
>
>Hi Christophe:
>You are right, but... what a pity! To become a legend is something like a first
>class funeral. Yeah, when a program is part of a "collection" and not part of
>your current crop of used stuff, nothing rest but maybe a word or two of
>farewell and a drop of tears. Hope I am wrong and one of these days Lang will
>surprise all of us with something to get, not to collect.
>Fernando
Well... Genius5 is not buried in my collection. I use it from time to time, as
often as I use the other chess programs.
Tiger sometimes gets his spanking against Genius, and that's a good motivation
to improve.
Christophe
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