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Subject: Re: Computers-underpromotion: ChessGenius 1.1 (Palm) mates in < 1 second

Author: Richard A. Fowell (fowell@netcom.com)

Date: 00:50:56 04/17/00

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On April 16, 2000 at 22:35:07, William Bryant wrote:

>On April 16, 2000 at 03:15:58, Richard A. Fowell (fowell@netcom.com) wrote:
>
>>- Screamer Chess Yes (<1 second) Freeware
>
>On my Computer, it found it in 0.010 seconds.
>
>>
>>Screamer, while it sees the mate in less than 0.1 second, uses its
>>full 3 minutes to think, then plays f8=N#, the move it looked at
>>all along.
>
>My time management code needs some work.  I have not yet implemented a
>premature exit from the search based on the return score.
>
><snip>

Don't go overboard on that - it is a nice feature in general not to
exit at the first mate found, but use the available time to try
to find a shorter mate (MacChess 5.01 does this). However, when it
is mate in one, you might as well exit.

Richard A. Fowell (fowell@netcom.com)
http://dmoz.org/Games/Board_Games/Chess/Software/Macintosh/



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