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Subject: Re: Test Position Revisited

Author: Dieter Buerssner

Date: 16:06:31 06/03/02

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On June 02, 2002 at 22:32:25, Dana Turnmire wrote:

>--  --  --  --  --  --  --  --
>--  --  --  --  --  --  --  --
>--  --  --  --  --  --  BK  --
>--  --  BP  --  BP  --  --  --
>--  --  WP  --  WP  --  WK  --
>--  --  --  WN  --  --  --  --
>--  --  --  --  --  --  --  --
>BB  --  --  --  --  --  --  --
>
>Here is the test position found in "The Mammouth Book of Chess."
>
>1Nxc5?
>
>This obvious, materialistic move throws away the win.  White's c-pawn cannot be
>advanced to the queening square without the help of the king, but this allows
>Black to counter by attacking the e-pawn.  White should not take the c-pawn, but
>instead make progress on the kingside by manoeuvring his knight.

Can you please show a (sample) winning line. My program went also for Nxc5 for 4
hours (on rather slow hardware). I tried to understand the pos myself. All I
came up with - I cannot find improvement for white after this move, and I think,
it is draw. However, I have no better idea, that secures the win.

Regards,
Dieter



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