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Subject: Re: CSTAL and the Cheop-Machack Experiment in the 70’s

Author: Thorsten Czub

Date: 16:23:16 05/07/98

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Fernando, you can
switch off tal in the CSTAL program.
When I had a game where it lost or only drew a WINNING position i do
often the following:
Replay the same game with Tal-function knocked off
(to do this switch off search-extensions:
tal function, Defend OFF
tal function, Attack OFF
tal function, Lets have fun OFF)

If you replay the game with Genius, and if you come into the winning
position, you let the same cstal (but with knocked off tal-function)
replay from the point when GENIUS says: CSTals opponent is minus >1 pawn
- just an example, you can also use 2 pawns or 3 Genius pawns - than it
should be possible to WIN the winning position.

I do often watch cstal vs. genius.
In the moment you see genius evaluate its position - 1 pawn or even
bigger, you can switch off tal-function.
I have tried out by making me two styles:
beforeWIN and afterWIN.
I use beforeWIN to reach a winning position and when the opponent is
down I can load style afterWIN.

Of course this is only testing possibilities.
Chris could implement it much better than I emulate it. But it is worth
trying it out.

You can try out the styling-stuff to SWITCH between tal-on and tal-off
style yourself. Its easy to do.



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