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Subject: Re: How to beat Rebel 9 in 16 moves!!

Author: Jari Kylmälä

Date: 17:34:46 11/09/97

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On November 09, 1997 at 18:00:30, Ed Schröder wrote:

>
>I am aware of this for years. Rebel is programmed for fast recaptures.
>This algorithm of course has some negative side effects shown in the
>below game which fortunately are big exceptions.
>
>Still I prefer to leave it the way it is now because removing the
>algorithm would mean Rebel will think 3-5 minutes again on simple
>recaptures. I received too many complaints about that in the past.
>
>Thus so now and then you are lucky :)
>
>- Ed Schroder -
>
>
>>White : Robert Sherman   Black: Rebel 9
>
>>1. e4  e5   2. Nf3  Nc6   3. Bc4  Bc5   4. Nc3  Nc6  5. Nd5  Nxe4  6. d3
>> Nxf2  7. Qe2  Nxh1  8. Ng5  O-O   9. Nxc7  Qxc7  10. Qh5  h6  11. Bxf7
>>Kh8  12. Qg6  Qa5  13. c3  Qxc3  14. bc  Bf2  15. Kd1  Ne7  16. Qh7#

How about an algorithm which works like the current one in sound
captures
(non-sac or Rebel assumes the capture) but if the capture is an obvious
sacrifice Rebel will think the next move longer. I know mistakes done
by bad players will also be thought longer but I don't think that it
will
be a negative thing.. at least they have more time to take the bad
capture back
before Rebel punishes them :) and the important point: This will prevent
GMs and other strong players to set up traps like this. I don't think
that the game shown below is a big expection.. there are many
anti-computer lines like that.
This algorithm would also be more human-like an approach. Any strong
human
player will think hard after such a sacrifice to find out possible
counter-
attacks or traps.

regards,
--
Jari Kylmälä




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