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Subject: Re: This is Rybka *B*E*T*A*. Also, it is primarily a "playing" engine

Author: J.Dufek

Date: 10:42:20 12/09/05

Go up one level in this thread


On December 09, 2005 at 12:57:47, William Penn wrote:

>On December 09, 2005 at 12:09:35, Ed Murak wrote:
>
>>On December 09, 2005 at 11:50:42, William Penn wrote:
>>
>>>Rybka's analysis is fairly short to begin with, compared to most other engines.
>>
>>This is Rybka *B*E*T*A*.
>>
>>Also, it is primarily a "playing" engine, not an analysis one.  There is a big
>>difference.
>>
>>>23.01  634:58 +1.24    32.h4 Qf8 33.hxg5 (2.860.235.585) 76
>>
>>You do not give the position so I can't comment too much on this truncation.
>>There is probably a good reason for it.  But for most chess positions, the long
>>PV analysis sequence given is worthless after the first few ply anyway.
>>
>>Reflect on-
>>
>>"I think one move ahead - but it is always the best move!"
>>- possibly Charles Jaffe, as reported by Horowitz in All About Chess and maybe
>>the same thing but a bit differently in How To Think Ahead In Chess.
>>
>>"How many moves ahead do you calculate variations?"
>>"Only one. But this move has to be good"
>>- Richard Reti, as reported by Shashin in Attacking the Queenside.
>>
>>One ahead is all that is ever needed.
>
>Hi Ed,
>I, and many others, are interested in longer analysis. We don't play chess at
>the fast time controls. Many of us are correspondence players who analyze each
>position overnight or longer. We seek the truth in chess positions, the best
>move, regardless of how long it takes! We don't depend on computers to make the
>best move. They are only a tool, an assistant. The final judgement is ours - a
>human judgement. To make the best judgement, we need the best and longest
>analysis possible. Some engines are better at this than others. Obviously Rybka
>is not very useful for long analysis - at this point. It would be wonderful if
>this improvement could be made in the full release version, or a later patch,
>but I haven't heard anything yet in that regard.
>WP

Similiar results are from Rebel & ProDeo. Maybe Ed Schroeder can give more
explanation about it.



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