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Subject: Re: A composition by Capablanca - No bug... the FEN was wrong...

Author: David Rasmussen

Date: 04:16:21 01/26/02

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On January 26, 2002 at 06:12:03, David Rasmussen wrote:

>On January 26, 2002 at 01:25:35, Andrew Smith wrote:
>
>>[D]8/7r/2p2pp1/2p3p1/k5p1/3KN1p1/8/1R6 w KQkq - 0 1
>>
>>An interesting position that Capablanca created. This is winning for white. The
>>solution given is some 20 moves long. How long does it take your favourite
>>program to see that white has a _huge_ advantage here? This position doesn't
>>look so easy for programs IMO. I suggest very fast hardware only for this one.
>
>Thanks for posting this! It just revealed a bug in my program, which is always a
>nice on the day that a tournament (re)starts... :(
>
>And I thought my program had no bugs...
>HAAAAAAAAAHAAAAAAAHAAAAAAAAAAAAHAHAHAHAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAaaaaaaaaaaaaaaaaaaaaa....
>Ha... I kill myself...
>
>/David

I don't have a bug after all. What happened has happened before here on CCC. The
FEN above is wrong. It has wrong castling priviliges... The right position is:

[D]8/7r/2p2pp1/2p3p1/k5p1/3KN1p1/8/1R6 w - - 0 1




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