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Subject: Re: Shirov's Computer Comments

Author: Eric Adolph

Date: 16:36:58 11/11/98

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I put the position in Chessmaster6000, put the time contol on 40 moves in 120
minutes, and CM played Rxg7+ in less than a second and anncouned mate in 14.
Maybe Shirov's plays his programs with them on an easy level? ;-)

>
>6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - id "Shirov - Krasenkov";
>bm Rxg7;
>
>This is a possible variation in the game and Shirov's comments are,
>
>"White would have a forced mate in 14 moves! Don't try to put this particular
>position on Fritz5 or any other program, as it would never suggest 33. Rxg7+!
>as the stongest move!"
>
>I looked at the diagram and thought to myself I'll bet that Rebel 10
>would have a good shot at this as it seems to have a powerfull mate finder.
>Sure enough after 2:34 it plays Rxg7 with an ever increasing eval. That on
>an AMD K-6 233 in dos with 60 mb hash.
>
>So the moral of the story is not to generalize from one computer program to the
>next. Probably safer to say that "some computer programs will not solve
>such and such a position". My take is that the programs are as unique as the
>programmers who work on them. I think they are entitled that rather than
>lumping them all together.
>
>So Ed and other programmers whose program can solve this in a tournament time
>setting can email GM Shirov with the news that Fritz5 (or any single program)
>does not represent the entire pack. I'm sure some other programs will play
>Rxg7 also but I only own Rebel 10 at present so cannot verify this. What
>does the rest of the pack play?
>
>Just a small note that the point of my sharing this is not to belittle
>Fritz's play - it makes great moves in many different positions. It is more
>a sharing that all programs are unique in their strengths and weaknesses
>and that one program cannot possibly be singled out as representative of
>the whole. It would be as faulty to say, "Rebel 10 finds this position
>relatively quickly so the computer programs of today are routinely find
>such difficult moves."
>
>Enjoy the position. By the way, I'll enter in the other positional
>epd that Shirov was reffering to in a follow-up.



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