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Subject: Re: Which is Better Tactical or Strategical Knowledge for Chess Programs ?

Author: blass uri

Date: 22:37:02 03/06/00

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On March 06, 2000 at 20:56:45, Jorge Pichard wrote:

>On March 06, 2000 at 13:50:49, blass uri wrote:
>
>>On March 06, 2000 at 12:24:55, Jorge Pichard wrote:
>>
>>>On March 06, 2000 at 01:18:05, blass uri wrote:
>>>
>>>>On March 05, 2000 at 18:09:29, Jorge Pichard wrote:
>>>>
>>>>>Most Programs perform excellent whenever there is a tactical position, but some
>>>>>programs perform better tactically than strategically. A good comparison is
>>>>>between Rebel 10 or Tiger Rebel, which are very good programs strategically
>>>>>compare to Deep Junior or Junior 6.0.which is very good tactically. But when you
>>>>>match them Deep Junior 6.0 is a little bit better than either of the previous
>>>>>mentioned programs.
>>>>
>>>>Why do you think that Junior6 is better in tactical positions relative to
>>>>TigerRebel?
>>>>
>>>>Junior6 searches more nodes per second but you cannot learn from it that it is
>>>>better in tactics.
>>>>
>>>>I know that Rebeltiger did better results in enrique's test suite relative to
>>>>Junior6.
>>>>I know that most of the improvement from Junior5 to Junior6 was about the
>>>>evaluation function.
>>>>
>>>>Uri
>>>I am basing my oppinion on a small test between Junior 6.0 Vs Rebel Tiger 12e of
>>>50 games in 60 minutes per side, using two identical AMD 800 Mhz and Junior 6.0
>>>won 28 games; probably the time control and speed of the computers used has a
>>>lot to do with the result. It could be that Junior 6.0  calculate deeper than
>>>Rebel Tiger 12e, providing faster processor and allowing a time control greater
>>>than 60 minutes per side per game.
>>>
>>>Pichard
>>
>>It is also possible that Junior6 had a better evaluation.
>>You cannot learn from the fact that Junior6 won that it calculated deeper.
>>
>>Uri
>My friend who owned Rebel Tiger 12e knew before the mini match how to set his
>program to play with the strongest setting I remember him setting his program to
>this setting:
>
>Rebel Tiger 12e
>Permanent Rrain ON
>Analysis Brain OFF
>
>He bought his AMD Athlon 1 week before I did and since my old AMD computer was
>too slow a K6 300 Mhz , he recommemded me to buy an AMD ATHLON 800 Mhz similar
>to his; I was undicided wether to buy an Intel Pentium III 800 Mhz but just
>because of the price and Performance difference and also due to the fact that he
>decided to Bet a small fortune of $ 250.00 I agreed to buy it since we are both
>programmers interested in the progress of chess softwares. We are facinated
>to see how much progress chess softwares have accomplished lately. We would like
>sometime to dedicate time to make our own  chess Program, but our dedication to
>Microsoft has enable us to program our own chess program, we understand that
>chess programs have advance so much, that there is little that could be improve
>nowaday except the capability of using Multiprosessors which Deep Junior 6.0 is
>capable of using.

I do not believe that there is a little that could be improved.

I believe that if people develop the right program then even a program on 386
can beat kasparov

Uri



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