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Subject: Re: Interesting Position Mate in 15

Author: Imran Hendley

Date: 19:15:50 01/11/00

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On January 11, 2000 at 20:06:00, John Merlino wrote:

>On January 11, 2000 at 03:11:42, m.d.hurd wrote:
>
>>On January 11, 2000 at 03:07:19, m.d.hurd wrote:
>>Correction :
>>
>>Fritz 6 solves this in seconds and keeps announcing the mate up to where it
>>promotes to a knight then draws by three fold repitition.
>>
>>
>>Start position
>>
>>[D] 8/8/8/2p5/1pp5/brpp4/1pprp2P/qnkbK3 w - - 0 1
>>
>>Regards
>>
>>Mike
>
>Chessmaster falls into the same trap as Fritz (et. al.). It announced mate in 15
>in 8 seconds (on a PII-450), and proceeded to promote to a queen for a 3-fold
>draw.
>
>But, if I take it past the knight promotion, it DOES work out the mate in 9 from
>there.
>
>jm

I don't see the logic behind this. When it announces mate does it see the knight
promotion? If so why does it promote to a Queen? And if when it announces mate
it sees a Queen promotion, how can this be, because there is obviously no mate
with a Queen. Do you know why this happens?



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