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Subject: Re: M-Chess Pro7 : strength ??

Author: Jeroen Noomen

Date: 08:52:34 12/26/97

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>My mood while watching Mchess7 reduces more and more.
>I have seen bishop-game where Mchess was 27 moves deep in book meanwhile
>hiarcs computed a while.
>Now I see c28 vienna game happening and we are in the 32.move and mchess
>still in book. One game after the other is cooked out somewhere else
>(sandro necci, or in massive autoplayer-games-merged into many
>booklines)

Dear Thorsten, there have been many postings before about the way
MChess'
book has been made. I once talked to Sandro Necchi in the AEGON
tournament
and he simply admitted that he was 'outbooking' all the opponents.
Inclu-
ding Genius and Rebel. IMO MCP is overrated in the swedish list.
It gains many points this way, which can be verified simply by starting
an autoplayer match between MCP and Genius/Rebel or Hiarcs. You will see
a lot of these games.....

If you found out more of this, please post it in CCC!

>I think this helps mchess7 to get a better score at all.

Exactly! Precisely my point.

>And hiarcs gets
>a weaker one. But hiarcs was released before mcp7, so it cannot defend
>much.

And with the next release the lines are repaired and Hiarcs gets a
normal
score versus MCP. But the damage is already done and the points are
gone.

>Ok - they all have learning algorithms, but I doubt that these mechanism
>will always help...not from my experience, what I have seen.

Interesting point af view. I think if all programs have a booklearner we
are at the same point as at the beginning, when nobody had a learner...
Sometimes I am getting tired of these book wars. Why not turn to normal
theory that has been played before and let the programs find out what
happens? That's fair and says more about the strength of a program in
comparison with these bookkiller-lines...

Best regards, Jeroen



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